src/SDL_compat.c
author Sam Lantinga <slouken@libsdl.org>
Wed, 14 Jun 2006 06:14:26 +0000
branchSDL-1.3
changeset 1678 90bf530ced8e
parent 1675 d33dcfc3fde7
child 1680 9488fca10677
permissions -rw-r--r--
SDL_SetVideoMode() compiles now...
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2006 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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/* This file contains functions for backwards compatibility with SDL 1.2 */
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#include "SDL.h"
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#include "video/SDL_pixels_c.h"
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static SDL_WindowID SDL_VideoWindow;
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static SDL_TextureID SDL_VideoTexture;
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static SDL_Surface *SDL_VideoSurface;
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static SDL_Surface *SDL_ShadowSurface;
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static SDL_Surface *SDL_PublicSurface;
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static char *wm_title;
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char *
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SDL_AudioDriverName(char *namebuf, int maxlen)
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{
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    const char *name = SDL_GetCurrentAudioDriver();
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    if (name) {
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        SDL_strlcpy(namebuf, name, maxlen);
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        return namebuf;
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    }
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    return NULL;
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}
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char *
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SDL_VideoDriverName(char *namebuf, int maxlen)
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{
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    const char *name = SDL_GetCurrentVideoDriver();
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    if (name) {
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        SDL_strlcpy(namebuf, name, maxlen);
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        return namebuf;
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    }
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    return NULL;
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}
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const SDL_VideoInfo *
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SDL_GetVideoInfo(void)
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{
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    static SDL_VideoInfo info;
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    /* Memory leak, compatibility code, who cares? */
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    if (!info.vfmt && SDL_GetDesktopDisplayMode()) {
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        int bpp;
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        Uint32 Rmask, Gmask, Bmask, Amask;
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        SDL_PixelFormatEnumToMasks(SDL_GetDesktopDisplayMode()->format, &bpp,
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                                   &Rmask, &Gmask, &Bmask, &Amask);
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        info.vfmt = SDL_AllocFormat(bpp, Rmask, Gmask, Bmask, Amask);
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    }
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    return &info;
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}
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int
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SDL_VideoModeOK(int width, int height, int bpp, Uint32 flags)
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{
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    int i, actual_bpp = 0;
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    if (!SDL_GetVideoDevice()) {
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        return 0;
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    }
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    if (!(flags & SDL_FULLSCREEN)) {
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        return SDL_BITSPERPIXEL(SDL_GetDesktopDisplayMode()->format);
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    }
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    for (i = 0; i < SDL_GetNumDisplayModes(); ++i) {
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        const SDL_DisplayMode *mode = SDL_GetDisplayMode(i);
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        if (!mode->w || !mode->h || (width == mode->w && height == mode->h)) {
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            if (!mode->format) {
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                return bpp;
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            }
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            if (SDL_BITSPERPIXEL(mode->format) >= bpp) {
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                actual_bpp = SDL_BITSPERPIXEL(mode->format);
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            }
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        }
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    }
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    return actual_bpp;
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}
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SDL_Rect **
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SDL_ListModes(SDL_PixelFormat * format, Uint32 flags)
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{
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    int i, nmodes;
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    SDL_Rect **modes;
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    if (!SDL_GetVideoDevice()) {
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        return NULL;
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    }
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    if (!(flags & SDL_FULLSCREEN)) {
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        return (SDL_Rect **) (-1);
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    }
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    /* Memory leak, but this is a compatibility function, who cares? */
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    nmodes = 0;
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    for (i = 0; i < SDL_GetNumDisplayModes(); ++i) {
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        const SDL_DisplayMode *mode = SDL_GetDisplayMode(i);
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        if (!mode->w || !mode->h) {
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            return (SDL_Rect **) (-1);
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        }
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        if (SDL_BITSPERPIXEL(mode->format) != format->BitsPerPixel) {
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            continue;
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        }
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        if (nmodes > 0 && modes[nmodes - 1]->w == mode->w
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            && modes[nmodes - 1]->h == mode->h) {
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            continue;
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        }
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        modes = SDL_realloc(modes, (nmodes + 2) * sizeof(*modes));
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        if (!modes) {
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            return NULL;
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        }
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        modes[nmodes] = (SDL_Rect *) SDL_malloc(sizeof(SDL_Rect));
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        if (!modes[nmodes]) {
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            return NULL;
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        }
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        modes[nmodes]->x = 0;
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        modes[nmodes]->y = 0;
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        modes[nmodes]->w = mode->w;
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        modes[nmodes]->h = mode->h;
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        ++nmodes;
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    }
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    if (modes) {
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        modes[nmodes] = NULL;
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parents:
diff changeset
   149
    }
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diff changeset
   150
    return modes;
1fddae038bc8 Implemented many compatibility functions
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parents:
diff changeset
   151
}
1fddae038bc8 Implemented many compatibility functions
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parents:
diff changeset
   152
1669
9857d21967bb The test programs compile again.
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diff changeset
   153
static int (*orig_eventfilter) (const SDL_Event * event);
9857d21967bb The test programs compile again.
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diff changeset
   154
9857d21967bb The test programs compile again.
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diff changeset
   155
static int
9857d21967bb The test programs compile again.
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diff changeset
   156
SDL_CompatEventFilter(const SDL_Event * event)
9857d21967bb The test programs compile again.
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diff changeset
   157
{
9857d21967bb The test programs compile again.
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diff changeset
   158
    SDL_Event fake;
9857d21967bb The test programs compile again.
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diff changeset
   159
9857d21967bb The test programs compile again.
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parents: 1668
diff changeset
   160
    switch (event->type) {
9857d21967bb The test programs compile again.
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diff changeset
   161
    case SDL_WINDOWEVENT:
9857d21967bb The test programs compile again.
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diff changeset
   162
        switch (event->window.event) {
9857d21967bb The test programs compile again.
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diff changeset
   163
        case SDL_WINDOWEVENT_RESIZED:
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   164
            fake.type = SDL_VIDEORESIZE;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   165
            fake.resize.w = event->window.data1;
9857d21967bb The test programs compile again.
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parents: 1668
diff changeset
   166
            fake.resize.h = event->window.data2;
9857d21967bb The test programs compile again.
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parents: 1668
diff changeset
   167
            SDL_PushEvent(&fake);
9857d21967bb The test programs compile again.
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parents: 1668
diff changeset
   168
            break;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   169
        case SDL_WINDOWEVENT_MINIMIZED:
9857d21967bb The test programs compile again.
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diff changeset
   170
            fake.type = SDL_ACTIVEEVENT;
9857d21967bb The test programs compile again.
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diff changeset
   171
            fake.active.gain = 0;
9857d21967bb The test programs compile again.
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diff changeset
   172
            fake.active.state = SDL_APPACTIVE;
9857d21967bb The test programs compile again.
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diff changeset
   173
            SDL_PushEvent(&fake);
9857d21967bb The test programs compile again.
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parents: 1668
diff changeset
   174
            break;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   175
        case SDL_WINDOWEVENT_RESTORED:
9857d21967bb The test programs compile again.
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diff changeset
   176
            fake.type = SDL_ACTIVEEVENT;
9857d21967bb The test programs compile again.
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diff changeset
   177
            fake.active.gain = 1;
9857d21967bb The test programs compile again.
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diff changeset
   178
            fake.active.state = SDL_APPACTIVE;
9857d21967bb The test programs compile again.
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diff changeset
   179
            SDL_PushEvent(&fake);
9857d21967bb The test programs compile again.
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diff changeset
   180
            break;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   181
        case SDL_WINDOWEVENT_ENTER:
9857d21967bb The test programs compile again.
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diff changeset
   182
            fake.type = SDL_ACTIVEEVENT;
9857d21967bb The test programs compile again.
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diff changeset
   183
            fake.active.gain = 1;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   184
            fake.active.state = SDL_APPMOUSEFOCUS;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   185
            SDL_PushEvent(&fake);
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   186
            break;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   187
        case SDL_WINDOWEVENT_LEAVE:
9857d21967bb The test programs compile again.
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diff changeset
   188
            fake.type = SDL_ACTIVEEVENT;
9857d21967bb The test programs compile again.
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parents: 1668
diff changeset
   189
            fake.active.gain = 0;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   190
            fake.active.state = SDL_APPMOUSEFOCUS;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   191
            SDL_PushEvent(&fake);
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   192
            break;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   193
        case SDL_WINDOWEVENT_FOCUS_GAINED:
9857d21967bb The test programs compile again.
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diff changeset
   194
            fake.type = SDL_ACTIVEEVENT;
9857d21967bb The test programs compile again.
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parents: 1668
diff changeset
   195
            fake.active.gain = 1;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   196
            fake.active.state = SDL_APPINPUTFOCUS;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   197
            SDL_PushEvent(&fake);
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   198
            break;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   199
        case SDL_WINDOWEVENT_FOCUS_LOST:
9857d21967bb The test programs compile again.
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diff changeset
   200
            fake.type = SDL_ACTIVEEVENT;
9857d21967bb The test programs compile again.
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diff changeset
   201
            fake.active.gain = 1;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   202
            fake.active.state = SDL_APPINPUTFOCUS;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   203
            SDL_PushEvent(&fake);
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   204
            break;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   205
        }
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   206
    }
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   207
    return orig_eventfilter(event);
9857d21967bb The test programs compile again.
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parents: 1668
diff changeset
   208
}
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   209
1667
1fddae038bc8 Implemented many compatibility functions
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parents:
diff changeset
   210
SDL_Surface *
1668
4da1ee79c9af more tweaking indent options
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diff changeset
   211
SDL_SetVideoMode(int width, int height, int bpp, Uint32 flags)
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   212
{
1669
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   213
    int (*filter) (const SDL_Event * event);
9857d21967bb The test programs compile again.
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diff changeset
   214
    const SDL_DisplayMode *desktop_mode;
1667
1fddae038bc8 Implemented many compatibility functions
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parents:
diff changeset
   215
    SDL_DisplayMode mode;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   216
    int i;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   217
    Uint32 window_flags;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   218
    Uint32 desktop_format;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   219
    Uint32 desired_format;
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   220
    Uint32 texture_format;
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   221
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1667
diff changeset
   222
    if (!SDL_GetVideoDevice()) {
4da1ee79c9af more tweaking indent options
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parents: 1667
diff changeset
   223
        if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE) < 0) {
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   224
            return NULL;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   225
        }
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   226
    }
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   227
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   228
    /* Destroy existing window */
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   229
    SDL_PublicSurface = NULL;
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   230
    if (SDL_ShadowSurface) {
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   231
        SDL_FreeSurface(SDL_ShadowSurface);
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   232
        SDL_ShadowSurface = NULL;
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   233
    }
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   234
    if (SDL_VideoSurface) {
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   235
        SDL_FreeSurface(SDL_ShadowSurface);
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   236
        SDL_VideoSurface = NULL;
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   237
    }
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   238
    SDL_DestroyWindow(SDL_VideoWindow);
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   239
1669
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   240
    /* Set up the event filter */
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   241
    filter = SDL_GetEventFilter();
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   242
    if (filter != SDL_CompatEventFilter) {
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   243
        orig_eventfilter = filter;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   244
    }
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   245
    SDL_SetEventFilter(SDL_CompatEventFilter);
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   246
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   247
    /* Create a new window */
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   248
    window_flags = SDL_WINDOW_SHOWN;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   249
    if (flags & SDL_FULLSCREEN) {
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   250
        window_flags |= SDL_WINDOW_FULLSCREEN;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   251
    }
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   252
    if (flags & SDL_OPENGL) {
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   253
        window_flags |= SDL_WINDOW_OPENGL;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   254
    }
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   255
    if (flags & SDL_RESIZABLE) {
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   256
        window_flags |= SDL_WINDOW_RESIZABLE;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   257
    }
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   258
    if (flags & SDL_NOFRAME) {
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   259
        window_flags |= SDL_WINDOW_BORDERLESS;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   260
    }
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   261
    SDL_VideoWindow =
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   262
        SDL_CreateWindow(wm_title, 0, 0, width, height, window_flags);
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   263
    if (!SDL_VideoWindow) {
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   264
        return NULL;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   265
    }
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   266
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   267
    /* Set up the desired display mode */
1669
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   268
    desktop_mode = SDL_GetDesktopDisplayMode();
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   269
    desktop_format = desktop_mode->format;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   270
    if (desktop_format && ((flags & SDL_ANYFORMAT)
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   271
                           || (bpp == SDL_BITSPERPIXEL(desktop_format)))) {
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   272
        desired_format = desktop_format;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   273
    } else {
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   274
        switch (bpp) {
1669
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   275
        case 0:
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   276
            if (desktop_format) {
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   277
                desired_format = desktop_format;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   278
            } else {
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   279
                desired_format = SDL_PixelFormat_RGB888;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   280
            }
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   281
            break;
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   282
        case 8:
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   283
            desired_format = SDL_PixelFormat_Index8;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   284
            break;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   285
        case 15:
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   286
            desired_format = SDL_PixelFormat_RGB555;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   287
            break;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   288
        case 16:
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   289
            desired_format = SDL_PixelFormat_RGB565;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   290
            break;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   291
        case 24:
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   292
            desired_format = SDL_PixelFormat_RGB24;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   293
            break;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   294
        case 32:
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   295
            desired_format = SDL_PixelFormat_RGB888;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   296
            break;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   297
        default:
1668
4da1ee79c9af more tweaking indent options
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diff changeset
   298
            SDL_SetError("Unsupported bpp in SDL_SetVideoMode()");
1667
1fddae038bc8 Implemented many compatibility functions
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parents:
diff changeset
   299
            return NULL;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   300
        }
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   301
    }
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   302
    mode.format = desired_format;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   303
    mode.w = width;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   304
    mode.h = height;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   305
    mode.refresh_rate = 0;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   306
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   307
    /* Set the desired display mode */
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   308
    if (flags & SDL_FULLSCREEN) {
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   309
        if (!SDL_GetClosestDisplayMode(&mode, &mode)) {
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   310
            return NULL;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   311
        }
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   312
    } else {
1669
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   313
        if (desktop_format) {
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   314
            mode.format = desktop_format;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   315
        }
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   316
        if (desktop_mode->w && desktop_mode->h) {
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   317
            mode.w = desktop_mode->w;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   318
            mode.h = desktop_mode->h;
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   319
        }
9857d21967bb The test programs compile again.
Sam Lantinga <slouken@libsdl.org>
parents: 1668
diff changeset
   320
        mode.refresh_rate = desktop_mode->refresh_rate;
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   321
    }
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1667
diff changeset
   322
    if (SDL_SetDisplayMode(&mode) < 0) {
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   323
        return NULL;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   324
    }
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   325
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   326
    /* Create a renderer for the window */
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   327
    if (SDL_CreateRenderer(SDL_VideoWindow, -1, 0) < 0) {
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   328
        return NULL;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   329
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   330
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   331
    /* Create a texture for the screen surface */
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   332
    SDL_VideoTexture =
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   333
        SDL_CreateTexture(desired_format, SDL_TextureAccess_Local, width,
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   334
                          height);
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   335
    if (!SDL_VideoTexture) {
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   336
        SDL_VideoTexture =
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   337
            SDL_CreateTexture(0, SDL_TextureAccess_Local, width, height);
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   338
    }
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   339
    if (!SDL_VideoTexture) {
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   340
        return NULL;
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   341
    }
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   342
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   343
    /* Create the screen surface */
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   344
    SDL_VideoSurface = SDL_CreateRGBSurfaceFromTexture(SDL_VideoTexture);
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   345
    if (!SDL_VideoSurface) {
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   346
        return NULL;
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   347
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   348
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   349
    /* Set a default screen palette */
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   350
    if (SDL_VideoSurface->format->palette) {
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   351
        SDL_VideoSurface->flags |= SDL_HWPALETTE;
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   352
        SDL_DitherColors(SDL_VideoSurface->format->palette->colors,
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   353
                         SDL_VideoSurface->format->BitsPerPixel);
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   354
        SDL_SetTexturePalette(SDL_VideoTexture,
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   355
                              SDL_VideoSurface->format->palette->colors, 0,
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   356
                              SDL_VideoSurface->format->palette->ncolors);
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   357
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   358
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   359
    /* Create a shadow surface if necessary */
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   360
    if (((bpp != SDL_VideoSurface->format->BitsPerPixel)
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   361
         && !(flags & SDL_ANYFORMAT))
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   362
        || ((SDL_VideoSurface->flags & SDL_HWSURFACE)
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   363
            && !(flags & SDL_HWSURFACE))) {
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   364
        if ((bpp == SDL_VideoSurface->format->BitsPerPixel)
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   365
            || (flags & SDL_ANYFORMAT)) {
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   366
            SDL_ShadowSurface =
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   367
                SDL_CreateRGBSurface(0, width, height,
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   368
                                     SDL_VideoSurface->format->BitsPerPixel,
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   369
                                     SDL_VideoSurface->format->Rmask,
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   370
                                     SDL_VideoSurface->format->Gmask,
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   371
                                     SDL_VideoSurface->format->Bmask,
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   372
                                     SDL_VideoSurface->format->Amask);
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   373
        } else {
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   374
            SDL_ShadowSurface =
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   375
                SDL_CreateRGBSurface(0, width, height, bpp, 0, 0, 0, 0);
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   376
        }
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   377
        if (!SDL_ShadowSurface) {
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   378
            return NULL;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   379
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   380
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   381
        /* 8-bit SDL_ShadowSurface surfaces report that they have exclusive palette */
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   382
        if (SDL_ShadowSurface->format->palette) {
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   383
            SDL_ShadowSurface->flags |= SDL_HWPALETTE;
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   384
            SDL_DitherColors(SDL_ShadowSurface->format->palette->colors,
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   385
                             SDL_ShadowSurface->format->BitsPerPixel);
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   386
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   387
    }
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   388
    SDL_PublicSurface =
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   389
        (SDL_ShadowSurface ? SDL_ShadowSurface : SDL_VideoSurface);
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   390
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   391
    /* Clear the surface for display */
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   392
    SDL_FillRect(SDL_PublicSurface, NULL, 0);
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   393
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   394
    /* We're finally done! */
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   395
    return SDL_PublicSurface;
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   396
}
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   397
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   398
SDL_Surface *
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1667
diff changeset
   399
SDL_GetVideoSurface(void)
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   400
{
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   401
    return SDL_PublicSurface;
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   402
}
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   403
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   404
SDL_Surface *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   405
SDL_DisplayFormat(SDL_Surface * surface)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   406
{
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   407
    Uint32 flags;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   408
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   409
    if (!SDL_PublicSurface) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   410
        SDL_SetError("No video mode has been set");
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   411
        return NULL;
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   412
    }
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   413
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   414
    /* Set the flags appropriate for copying to display surface */
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   415
    flags = SDL_SWSURFACE;
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   416
#ifdef AUTORLE_DISPLAYFORMAT
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   417
    flags |= (surface->flags & (SDL_SRCCOLORKEY | SDL_SRCALPHA));
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   418
    flags |= SDL_RLEACCELOK;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   419
#else
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   420
    flags |=
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   421
        surface->flags & (SDL_SRCCOLORKEY | SDL_SRCALPHA | SDL_RLEACCELOK);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   422
#endif
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   423
    return SDL_ConvertSurface(surface, SDL_PublicSurface->format, flags);
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   424
}
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   425
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   426
SDL_Surface *
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   427
SDL_DisplayFormatAlpha(SDL_Surface * surface)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   428
{
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   429
    SDL_PixelFormat *vf;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   430
    SDL_PixelFormat *format;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   431
    SDL_Surface *converted;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   432
    Uint32 flags;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   433
    /* default to ARGB8888 */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   434
    Uint32 amask = 0xff000000;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   435
    Uint32 rmask = 0x00ff0000;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   436
    Uint32 gmask = 0x0000ff00;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   437
    Uint32 bmask = 0x000000ff;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   438
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   439
    if (!SDL_PublicSurface) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   440
        SDL_SetError("No video mode has been set");
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   441
        return NULL;
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   442
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   443
    vf = SDL_PublicSurface->format;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   444
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   445
    switch (vf->BytesPerPixel) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   446
    case 2:
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   447
        /* For XGY5[56]5, use, AXGY8888, where {X, Y} = {R, B}.
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   448
           For anything else (like ARGB4444) it doesn't matter
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   449
           since we have no special code for it anyway */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   450
        if ((vf->Rmask == 0x1f) &&
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   451
            (vf->Bmask == 0xf800 || vf->Bmask == 0x7c00)) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   452
            rmask = 0xff;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   453
            bmask = 0xff0000;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   454
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   455
        break;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   456
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   457
    case 3:
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   458
    case 4:
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   459
        /* Keep the video format, as long as the high 8 bits are
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   460
           unused or alpha */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   461
        if ((vf->Rmask == 0xff) && (vf->Bmask == 0xff0000)) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   462
            rmask = 0xff;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   463
            bmask = 0xff0000;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   464
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   465
        break;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   466
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   467
    default:
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   468
        /* We have no other optimised formats right now. When/if a new
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   469
           optimised alpha format is written, add the converter here */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   470
        break;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   471
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   472
    format = SDL_AllocFormat(32, rmask, gmask, bmask, amask);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   473
    flags = SDL_PublicSurface->flags & SDL_HWSURFACE;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   474
    flags |= surface->flags & (SDL_SRCALPHA | SDL_RLEACCELOK);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   475
    converted = SDL_ConvertSurface(surface, format, flags);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   476
    SDL_FreeFormat(format);
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   477
    return converted;
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   478
}
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   479
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   480
int
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   481
SDL_Flip(SDL_Surface * screen)
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   482
{
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   483
    SDL_UpdateRect(screen, 0, 0, 0, 0);
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   484
    return 0;
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   485
}
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   486
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   487
void
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   488
SDL_UpdateRect(SDL_Surface * screen, Sint32 x, Sint32 y, Uint32 w, Uint32 h)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   489
{
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   490
    if (screen) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   491
        SDL_Rect rect;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   492
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   493
        /* Perform some checking */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   494
        if (w == 0)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   495
            w = screen->w;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   496
        if (h == 0)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   497
            h = screen->h;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   498
        if ((int) (x + w) > screen->w)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   499
            return;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   500
        if ((int) (y + h) > screen->h)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   501
            return;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   502
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   503
        /* Fill the rectangle */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   504
        rect.x = (Sint16) x;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   505
        rect.y = (Sint16) y;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   506
        rect.w = (Uint16) w;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   507
        rect.h = (Uint16) h;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   508
        SDL_UpdateRects(screen, 1, &rect);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   509
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   510
}
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   511
void
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   512
SDL_UpdateRects(SDL_Surface * screen, int numrects, SDL_Rect * rects)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   513
{
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   514
    int i;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   515
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   516
    if (screen == SDL_ShadowSurface) {
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   517
        for (i = 0; i < numrects; ++i) {
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   518
            SDL_LowerBlit(SDL_ShadowSurface, &rects[i], SDL_VideoSurface,
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   519
                          &rects[i]);
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   520
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   521
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   522
        /* Fall through to video surface update */
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   523
        screen = SDL_VideoSurface;
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   524
    }
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   525
    if (screen == SDL_VideoSurface) {
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   526
        for (i = 0; i < numrects; ++i) {
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   527
            SDL_RenderCopy(SDL_VideoTexture, &rects[i], &rects[i],
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   528
                           SDL_TextureBlendMode_None,
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   529
                           SDL_TextureScaleMode_None);
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   530
        }
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   531
        SDL_RenderPresent();
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   532
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   533
}
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   534
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   535
void
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1667
diff changeset
   536
SDL_WM_SetCaption(const char *title, const char *icon)
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   537
{
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   538
    if (wm_title) {
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1667
diff changeset
   539
        SDL_free(wm_title);
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   540
    } else {
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1667
diff changeset
   541
        wm_title = SDL_strdup(title);
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   542
    }
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   543
    SDL_SetWindowTitle(SDL_VideoWindow, wm_title);
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   544
}
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   545
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   546
void
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1667
diff changeset
   547
SDL_WM_GetCaption(char **title, char **icon)
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   548
{
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   549
    if (title) {
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   550
        *title = wm_title;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   551
    }
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   552
    if (icon) {
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   553
        *icon = "";
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   554
    }
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   555
}
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   556
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   557
void
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1667
diff changeset
   558
SDL_WM_SetIcon(SDL_Surface * icon, Uint8 * mask)
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   559
{
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   560
    /* FIXME */
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   561
}
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   562
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   563
int
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1667
diff changeset
   564
SDL_WM_IconifyWindow(void)
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   565
{
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   566
    SDL_MinimizeWindow(SDL_VideoWindow);
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   567
}
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   568
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   569
int
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1667
diff changeset
   570
SDL_WM_ToggleFullScreen(SDL_Surface * surface)
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   571
{
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   572
    return 0;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   573
}
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   574
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   575
SDL_GrabMode
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1667
diff changeset
   576
SDL_WM_GrabInput(SDL_GrabMode mode)
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   577
{
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   578
    if (mode != SDL_GRAB_QUERY) {
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   579
        SDL_SetWindowGrab(SDL_VideoWindow, mode);
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   580
    }
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   581
    return (SDL_GrabMode) SDL_GetWindowGrab(SDL_VideoWindow);
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   582
}
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   583
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   584
Uint8
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1667
diff changeset
   585
SDL_GetAppState(void)
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   586
{
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   587
    Uint8 state = 0;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   588
    Uint32 flags = 0;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   589
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   590
    flags = SDL_GetWindowFlags(SDL_VideoWindow);
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   591
    if ((flags & SDL_WINDOW_SHOWN) && !(flags & SDL_WINDOW_MINIMIZED)) {
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   592
        state |= SDL_APPACTIVE;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   593
    }
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   594
    if (flags & SDL_WINDOW_KEYBOARD_FOCUS) {
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   595
        state |= SDL_APPINPUTFOCUS;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   596
    }
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   597
    if (flags & SDL_WINDOW_MOUSE_FOCUS) {
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   598
        state |= SDL_APPMOUSEFOCUS;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   599
    }
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   600
    return state;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   601
}
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   602
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   603
const SDL_version *
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1667
diff changeset
   604
SDL_Linked_Version(void)
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   605
{
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   606
    static SDL_version version;
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1667
diff changeset
   607
    SDL_VERSION(&version);
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   608
    return &version;
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   609
}
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   610
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   611
int
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1667
diff changeset
   612
SDL_SetPalette(SDL_Surface * surface, int flags, SDL_Color * colors,
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1667
diff changeset
   613
               int firstcolor, int ncolors)
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   614
{
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1667
diff changeset
   615
    SDL_SetColors(surface, colors, firstcolor, ncolors);
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   616
}
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   617
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   618
int
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   619
SDL_SetScreenColors(SDL_Surface * screen, SDL_Color * colors, int firstcolor,
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   620
                    int ncolors)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   621
{
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   622
    SDL_Palette *pal;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   623
    int gotall;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   624
    int palsize;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   625
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   626
    /* Verify the parameters */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   627
    pal = screen->format->palette;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   628
    if (!pal) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   629
        return 0;               /* not a palettized surface */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   630
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   631
    gotall = 1;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   632
    palsize = 1 << screen->format->BitsPerPixel;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   633
    if (ncolors > (palsize - firstcolor)) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   634
        ncolors = (palsize - firstcolor);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   635
        gotall = 0;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   636
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   637
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   638
    if (screen == SDL_ShadowSurface) {
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   639
        SDL_Palette *vidpal;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   640
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   641
        vidpal = SDL_VideoSurface->format->palette;
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   642
        if (vidpal && vidpal->ncolors == pal->ncolors) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   643
            /* This is a shadow surface, and the physical
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   644
             * framebuffer is also indexed. Propagate the
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   645
             * changes to its logical palette so that
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   646
             * updates are always identity blits
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   647
             */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   648
            SDL_memcpy(vidpal->colors + firstcolor, colors,
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   649
                       ncolors * sizeof(*colors));
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   650
        }
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   651
        if (SDL_VideoSurface->flags & SDL_HWPALETTE) {
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   652
            /* Set the physical palette */
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   653
            screen = SDL_VideoSurface;
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   654
        } else {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   655
            SDL_UpdateRect(screen, 0, 0, 0, 0);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   656
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   657
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   658
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   659
    if (screen == SDL_VideoSurface) {
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   660
        SDL_SetTexturePalette(SDL_VideoTexture,
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   661
                              SDL_VideoSurface->format->palette->colors, 0,
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   662
                              SDL_VideoSurface->format->palette->ncolors);
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   663
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   664
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   665
    return gotall;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   666
}
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   667
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   668
int
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1667
diff changeset
   669
SDL_GetWMInfo(SDL_SysWMinfo * info)
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   670
{
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   671
    return SDL_GetWindowWMInfo(SDL_VideoWindow, info);
1667
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   672
}
1fddae038bc8 Implemented many compatibility functions
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   673
1678
90bf530ced8e SDL_SetVideoMode() compiles now...
Sam Lantinga <slouken@libsdl.org>
parents: 1675
diff changeset
   674
#if 0
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   675
void
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   676
SDL_MoveCursor(int x, int y)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   677
{
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   678
    SDL_VideoDevice *_this = SDL_GetVideoDevice();
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   679
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   680
    /* Erase and update the current mouse position */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   681
    if (SHOULD_DRAWCURSOR(SDL_cursorstate)) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   682
        /* Erase and redraw mouse cursor in new position */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   683
        SDL_LockCursor();
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   684
        SDL_EraseCursor(SDL_VideoSurface);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   685
        SDL_cursor->area.x = (x - SDL_cursor->hot_x);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   686
        SDL_cursor->area.y = (y - SDL_cursor->hot_y);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   687
        SDL_DrawCursor(SDL_VideoSurface);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   688
        SDL_UnlockCursor();
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   689
    } else if (_this->MoveWMCursor) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   690
        _this->MoveWMCursor(_this, x, y);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   691
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   692
}
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   693
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   694
/* Keep track of the current cursor colors */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   695
static int palette_changed = 1;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   696
static Uint8 pixels8[2];
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   697
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   698
void
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   699
SDL_CursorPaletteChanged(void)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   700
{
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   701
    palette_changed = 1;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   702
}
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   703
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   704
void
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   705
SDL_MouseRect(SDL_Rect * area)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   706
{
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   707
    SDL_VideoDevice *_this = SDL_GetVideoDevice();
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   708
    int clip_diff;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   709
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   710
    *area = SDL_cursor->area;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   711
    if (area->x < 0) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   712
        area->w += area->x;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   713
        area->x = 0;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   714
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   715
    if (area->y < 0) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   716
        area->h += area->y;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   717
        area->y = 0;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   718
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   719
    clip_diff = (area->x + area->w) - SDL_VideoSurface->w;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   720
    if (clip_diff > 0) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   721
        area->w = area->w < clip_diff ? 0 : area->w - clip_diff;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   722
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   723
    clip_diff = (area->y + area->h) - SDL_VideoSurface->h;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   724
    if (clip_diff > 0) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   725
        area->h = area->h < clip_diff ? 0 : area->h - clip_diff;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   726
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   727
}
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   728
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   729
static void
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   730
SDL_DrawCursorFast(SDL_Surface * screen, SDL_Rect * area)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   731
{
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   732
    const Uint32 pixels[2] = { 0xFFFFFFFF, 0x00000000 };
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   733
    int i, w, h;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   734
    Uint8 *data, datab;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   735
    Uint8 *mask, maskb;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   736
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   737
    data = SDL_cursor->data + area->y * SDL_cursor->area.w / 8;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   738
    mask = SDL_cursor->mask + area->y * SDL_cursor->area.w / 8;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   739
    switch (screen->format->BytesPerPixel) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   740
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   741
    case 1:
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   742
        {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   743
            Uint8 *dst;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   744
            int dstskip;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   745
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   746
            if (palette_changed) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   747
                pixels8[0] =
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   748
                    (Uint8) SDL_MapRGB(screen->format, 255, 255, 255);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   749
                pixels8[1] = (Uint8) SDL_MapRGB(screen->format, 0, 0, 0);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   750
                palette_changed = 0;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   751
            }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   752
            dst = (Uint8 *) screen->pixels +
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   753
                (SDL_cursor->area.y + area->y) * screen->pitch +
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   754
                SDL_cursor->area.x;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   755
            dstskip = screen->pitch - area->w;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   756
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   757
            for (h = area->h; h; h--) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   758
                for (w = area->w / 8; w; w--) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   759
                    maskb = *mask++;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   760
                    datab = *data++;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   761
                    for (i = 0; i < 8; ++i) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   762
                        if (maskb & 0x80) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   763
                            *dst = pixels8[datab >> 7];
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   764
                        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   765
                        maskb <<= 1;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   766
                        datab <<= 1;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   767
                        dst++;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   768
                    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   769
                }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   770
                dst += dstskip;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   771
            }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   772
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   773
        break;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   774
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   775
    case 2:
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   776
        {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   777
            Uint16 *dst;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   778
            int dstskip;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   779
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   780
            dst = (Uint16 *) screen->pixels +
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   781
                (SDL_cursor->area.y + area->y) * screen->pitch / 2 +
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   782
                SDL_cursor->area.x;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   783
            dstskip = (screen->pitch / 2) - area->w;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   784
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   785
            for (h = area->h; h; h--) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   786
                for (w = area->w / 8; w; w--) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   787
                    maskb = *mask++;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   788
                    datab = *data++;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   789
                    for (i = 0; i < 8; ++i) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   790
                        if (maskb & 0x80) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   791
                            *dst = (Uint16) pixels[datab >> 7];
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   792
                        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   793
                        maskb <<= 1;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   794
                        datab <<= 1;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   795
                        dst++;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   796
                    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   797
                }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   798
                dst += dstskip;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   799
            }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   800
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   801
        break;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   802
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   803
    case 3:
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   804
        {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   805
            Uint8 *dst;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   806
            int dstskip;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   807
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   808
            dst = (Uint8 *) screen->pixels +
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   809
                (SDL_cursor->area.y + area->y) * screen->pitch +
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   810
                SDL_cursor->area.x * 3;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   811
            dstskip = screen->pitch - area->w * 3;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   812
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   813
            for (h = area->h; h; h--) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   814
                for (w = area->w / 8; w; w--) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   815
                    maskb = *mask++;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   816
                    datab = *data++;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   817
                    for (i = 0; i < 8; ++i) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   818
                        if (maskb & 0x80) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   819
                            SDL_memset(dst, pixels[datab >> 7], 3);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   820
                        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   821
                        maskb <<= 1;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   822
                        datab <<= 1;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   823
                        dst += 3;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   824
                    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   825
                }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   826
                dst += dstskip;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   827
            }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   828
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   829
        break;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   830
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   831
    case 4:
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   832
        {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   833
            Uint32 *dst;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   834
            int dstskip;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   835
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   836
            dst = (Uint32 *) screen->pixels +
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   837
                (SDL_cursor->area.y + area->y) * screen->pitch / 4 +
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   838
                SDL_cursor->area.x;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   839
            dstskip = (screen->pitch / 4) - area->w;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   840
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   841
            for (h = area->h; h; h--) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   842
                for (w = area->w / 8; w; w--) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   843
                    maskb = *mask++;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   844
                    datab = *data++;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   845
                    for (i = 0; i < 8; ++i) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   846
                        if (maskb & 0x80) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   847
                            *dst = pixels[datab >> 7];
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   848
                        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   849
                        maskb <<= 1;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   850
                        datab <<= 1;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   851
                        dst++;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   852
                    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   853
                }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   854
                dst += dstskip;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   855
            }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   856
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   857
        break;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   858
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   859
}
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   860
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   861
static void
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   862
SDL_DrawCursorSlow(SDL_Surface * screen, SDL_Rect * area)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   863
{
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   864
    const Uint32 pixels[2] = { 0xFFFFFF, 0x000000 };
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   865
    int h;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   866
    int x, minx, maxx;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   867
    Uint8 *data, datab = 0;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   868
    Uint8 *mask, maskb = 0;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   869
    Uint8 *dst;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   870
    int dstbpp, dstskip;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   871
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   872
    data = SDL_cursor->data + area->y * SDL_cursor->area.w / 8;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   873
    mask = SDL_cursor->mask + area->y * SDL_cursor->area.w / 8;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   874
    dstbpp = screen->format->BytesPerPixel;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   875
    dst = (Uint8 *) screen->pixels +
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   876
        (SDL_cursor->area.y + area->y) * screen->pitch +
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   877
        SDL_cursor->area.x * dstbpp;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   878
    dstskip = screen->pitch - SDL_cursor->area.w * dstbpp;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   879
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   880
    minx = area->x;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   881
    maxx = area->x + area->w;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   882
    if (screen->format->BytesPerPixel == 1) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   883
        if (palette_changed) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   884
            pixels8[0] = (Uint8) SDL_MapRGB(screen->format, 255, 255, 255);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   885
            pixels8[1] = (Uint8) SDL_MapRGB(screen->format, 0, 0, 0);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   886
            palette_changed = 0;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   887
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   888
        for (h = area->h; h; h--) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   889
            for (x = 0; x < SDL_cursor->area.w; ++x) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   890
                if ((x % 8) == 0) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   891
                    maskb = *mask++;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   892
                    datab = *data++;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   893
                }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   894
                if ((x >= minx) && (x < maxx)) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   895
                    if (maskb & 0x80) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   896
                        SDL_memset(dst, pixels8[datab >> 7], dstbpp);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   897
                    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   898
                }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   899
                maskb <<= 1;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   900
                datab <<= 1;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   901
                dst += dstbpp;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   902
            }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   903
            dst += dstskip;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   904
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   905
    } else {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   906
        for (h = area->h; h; h--) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   907
            for (x = 0; x < SDL_cursor->area.w; ++x) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   908
                if ((x % 8) == 0) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   909
                    maskb = *mask++;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   910
                    datab = *data++;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   911
                }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   912
                if ((x >= minx) && (x < maxx)) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   913
                    if (maskb & 0x80) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   914
                        SDL_memset(dst, pixels[datab >> 7], dstbpp);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   915
                    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   916
                }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   917
                maskb <<= 1;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   918
                datab <<= 1;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   919
                dst += dstbpp;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   920
            }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   921
            dst += dstskip;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   922
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   923
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   924
}
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   925
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   926
/* This handles the ugly work of converting the saved cursor background from
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   927
   the pixel format of the shadow surface to that of the video surface.
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   928
   This is only necessary when blitting from a shadow surface of a different
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   929
   pixel format than the video surface, and using a software rendered cursor.
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   930
*/
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   931
static void
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   932
SDL_ConvertCursorSave(SDL_Surface * screen, int w, int h)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   933
{
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   934
    SDL_VideoDevice *_this = SDL_GetVideoDevice();
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   935
    SDL_BlitInfo info;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   936
    SDL_loblit RunBlit;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   937
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   938
    /* Make sure we can steal the blit mapping */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   939
    if (screen->map->dst != SDL_VideoSurface) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   940
        return;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   941
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   942
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   943
    /* Set up the blit information */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   944
    info.s_pixels = SDL_cursor->save[1];
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   945
    info.s_width = w;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   946
    info.s_height = h;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   947
    info.s_skip = 0;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   948
    info.d_pixels = SDL_cursor->save[0];
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   949
    info.d_width = w;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   950
    info.d_height = h;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   951
    info.d_skip = 0;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   952
    info.aux_data = screen->map->sw_data->aux_data;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   953
    info.src = screen->format;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   954
    info.table = screen->map->table;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   955
    info.dst = SDL_VideoSurface->format;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   956
    RunBlit = screen->map->sw_data->blit;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   957
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   958
    /* Run the actual software blit */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   959
    RunBlit(&info);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   960
}
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   961
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   962
void
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   963
SDL_DrawCursorNoLock(SDL_Surface * screen)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   964
{
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   965
    SDL_VideoDevice *_this = SDL_GetVideoDevice();
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   966
    SDL_Rect area;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   967
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   968
    /* Get the mouse rectangle, clipped to the screen */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   969
    SDL_MouseRect(&area);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   970
    if ((area.w == 0) || (area.h == 0)) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   971
        return;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   972
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   973
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   974
    /* Copy mouse background */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   975
    {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   976
        int w, h, screenbpp;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   977
        Uint8 *src, *dst;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   978
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   979
        /* Set up the copy pointers */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   980
        screenbpp = screen->format->BytesPerPixel;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   981
        if ((screen == SDL_VideoSurface) ||
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   982
            FORMAT_EQUAL(screen->format, SDL_VideoSurface->format)) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   983
            dst = SDL_cursor->save[0];
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   984
        } else {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   985
            dst = SDL_cursor->save[1];
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   986
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   987
        src = (Uint8 *) screen->pixels + area.y * screen->pitch +
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   988
            area.x * screenbpp;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   989
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   990
        /* Perform the copy */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   991
        w = area.w * screenbpp;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   992
        h = area.h;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   993
        while (h--) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   994
            SDL_memcpy(dst, src, w);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   995
            dst += w;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   996
            src += screen->pitch;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   997
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   998
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
   999
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1000
    /* Draw the mouse cursor */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1001
    area.x -= SDL_cursor->area.x;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1002
    area.y -= SDL_cursor->area.y;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1003
    if ((area.x == 0) && (area.w == SDL_cursor->area.w)) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1004
        SDL_DrawCursorFast(screen, &area);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1005
    } else {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1006
        SDL_DrawCursorSlow(screen, &area);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1007
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1008
}
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1009
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1010
void
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1011
SDL_DrawCursor(SDL_Surface * screen)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1012
{
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1013
    /* Lock the screen if necessary */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1014
    if (screen == NULL) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1015
        return;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1016
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1017
    if (SDL_MUSTLOCK(screen)) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1018
        if (SDL_LockSurface(screen) < 0) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1019
            return;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1020
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1021
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1022
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1023
    SDL_DrawCursorNoLock(screen);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1024
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1025
    /* Unlock the screen and update if necessary */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1026
    if (SDL_MUSTLOCK(screen)) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1027
        SDL_UnlockSurface(screen);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1028
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1029
    if ((screen->flags & SDL_SCREEN_SURFACE) &&
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1030
        !(screen->flags & SDL_HWSURFACE)) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1031
        SDL_VideoDevice *_this = SDL_GetVideoDevice();
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1032
        SDL_Window *window;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1033
        SDL_Rect area;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1034
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1035
        window = SDL_GetWindowFromSurface(screen);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1036
        if (!window) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1037
            return;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1038
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1039
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1040
        SDL_MouseRect(&area);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1041
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1042
        if (_this->UpdateWindowSurface) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1043
            _this->UpdateWindowSurface(_this, window, 1, &area);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1044
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1045
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1046
}
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1047
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1048
void
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1049
SDL_EraseCursorNoLock(SDL_Surface * screen)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1050
{
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1051
    SDL_VideoDevice *_this = SDL_GetVideoDevice();
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1052
    SDL_Window *window;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1053
    SDL_Rect area;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1054
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1055
    /* Get the window associated with the surface */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1056
    window = SDL_GetWindowFromSurface(screen);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1057
    if (!window || !window->surface) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1058
        return;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1059
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1060
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1061
    /* Get the mouse rectangle, clipped to the screen */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1062
    SDL_MouseRect(&area);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1063
    if ((area.w == 0) || (area.h == 0)) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1064
        return;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1065
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1066
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1067
    /* Copy mouse background */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1068
    {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1069
        int w, h, screenbpp;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1070
        Uint8 *src, *dst;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1071
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1072
        /* Set up the copy pointers */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1073
        screenbpp = screen->format->BytesPerPixel;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1074
        if ((screen->flags & SDL_SCREEN_SURFACE) ||
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1075
            FORMAT_EQUAL(screen->format, window->surface->format)) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1076
            src = SDL_cursor->save[0];
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1077
        } else {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1078
            src = SDL_cursor->save[1];
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1079
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1080
        dst = (Uint8 *) screen->pixels + area.y * screen->pitch +
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1081
            area.x * screenbpp;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1082
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1083
        /* Perform the copy */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1084
        w = area.w * screenbpp;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1085
        h = area.h;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1086
        while (h--) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1087
            SDL_memcpy(dst, src, w);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1088
            src += w;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1089
            dst += screen->pitch;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1090
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1091
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1092
        /* Perform pixel conversion on cursor background */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1093
        if (src > SDL_cursor->save[1]) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1094
            SDL_ConvertCursorSave(screen, area.w, area.h);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1095
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1096
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1097
}
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1098
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1099
void
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1100
SDL_EraseCursor(SDL_Surface * screen)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1101
{
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1102
    /* Lock the screen if necessary */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1103
    if (screen == NULL) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1104
        return;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1105
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1106
    if (SDL_MUSTLOCK(screen)) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1107
        if (SDL_LockSurface(screen) < 0) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1108
            return;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1109
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1110
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1111
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1112
    SDL_EraseCursorNoLock(screen);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1113
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1114
    /* Unlock the screen and update if necessary */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1115
    if (SDL_MUSTLOCK(screen)) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1116
        SDL_UnlockSurface(screen);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1117
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1118
    if ((screen->flags & SDL_SCREEN_SURFACE) &&
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1119
        !(screen->flags & SDL_HWSURFACE)) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1120
        SDL_VideoDevice *_this = SDL_GetVideoDevice();
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1121
        SDL_Window *window;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1122
        SDL_Rect area;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1123
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1124
        window = SDL_GetWindowFromSurface(screen);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1125
        if (!window) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1126
            return;
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1127
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1128
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1129
        SDL_MouseRect(&area);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1130
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1131
        if (_this->UpdateWindowSurface) {
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1132
            _this->UpdateWindowSurface(_this, window, 1, &area);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1133
        }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1134
    }
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1135
}
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1136
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1137
/* Reset the cursor on video mode change
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1138
   FIXME:  Keep track of all cursors, and reset them all.
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1139
 */
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1140
void
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1141
SDL_ResetCursor(void)
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1142
{
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
  1143