author | Sam Lantinga <slouken@libsdl.org> |
Sun, 12 Aug 2007 18:44:49 +0000 | |
changeset 2235 | 55a8bebf9ba6 |
parent 2234 | cf8c3b0117b3 |
child 2239 | 31835fd24b2b |
permissions | -rw-r--r-- |
0 | 1 |
/* |
2 |
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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6 |
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. |
0 | 14 |
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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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#include "SDL_video.h" |
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#include "SDL_compat.h" |
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#include "SDL_sysvideo.h" |
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#include "SDL_blit.h" |
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#include "SDL_RLEaccel_c.h" |
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#include "SDL_pixels_c.h" |
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#include "SDL_leaks.h" |
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/* Public routines */ |
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/* |
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* Create an empty RGB surface of the appropriate depth |
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*/ |
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SDL_Surface * |
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SDL_CreateRGBSurface(Uint32 flags, |
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int width, int height, int depth, |
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Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask) |
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{ |
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SDL_Surface *surface; |
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/* Allocate the surface */ |
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surface = (SDL_Surface *) SDL_calloc(1, sizeof(*surface)); |
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if (surface == NULL) { |
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SDL_OutOfMemory(); |
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return NULL; |
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} |
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surface->format = SDL_AllocFormat(depth, Rmask, Gmask, Bmask, Amask); |
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if (!surface->format) { |
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SDL_FreeSurface(surface); |
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return NULL; |
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} |
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if (Amask) { |
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surface->flags |= SDL_SRCALPHA; |
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} |
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surface->w = width; |
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surface->h = height; |
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surface->pitch = SDL_CalculatePitch(surface); |
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SDL_SetClipRect(surface, NULL); |
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if (surface->format->BitsPerPixel <= 8) { |
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SDL_Palette *palette = |
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SDL_AllocPalette((1 << surface->format->BitsPerPixel)); |
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if (!palette) { |
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SDL_FreeSurface(surface); |
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return NULL; |
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} |
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if (Rmask || Bmask || Gmask) { |
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const SDL_PixelFormat *format = surface->format; |
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/* create palette according to masks */ |
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int i; |
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int Rm = 0, Gm = 0, Bm = 0; |
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int Rw = 0, Gw = 0, Bw = 0; |
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if (Rmask) { |
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Rw = 8 - format->Rloss; |
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for (i = format->Rloss; i > 0; i -= Rw) |
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Rm |= 1 << i; |
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} |
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if (Gmask) { |
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Gw = 8 - format->Gloss; |
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for (i = format->Gloss; i > 0; i -= Gw) |
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Gm |= 1 << i; |
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} |
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if (Bmask) { |
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Bw = 8 - format->Bloss; |
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for (i = format->Bloss; i > 0; i -= Bw) |
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Bm |= 1 << i; |
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} |
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for (i = 0; i < palette->ncolors; ++i) { |
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int r, g, b; |
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r = (i & Rmask) >> format->Rshift; |
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r = (r << format->Rloss) | ((r * Rm) >> Rw); |
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palette->colors[i].r = r; |
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g = (i & Gmask) >> format->Gshift; |
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g = (g << format->Gloss) | ((g * Gm) >> Gw); |
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palette->colors[i].g = g; |
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b = (i & Bmask) >> format->Bshift; |
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b = (b << format->Bloss) | ((b * Bm) >> Bw); |
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palette->colors[i].b = b; |
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} |
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} else if (palette->ncolors == 2) { |
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109 |
/* Create a black and white bitmap palette */ |
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palette->colors[0].r = 0xFF; |
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palette->colors[0].g = 0xFF; |
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palette->colors[0].b = 0xFF; |
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113 |
palette->colors[1].r = 0x00; |
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palette->colors[1].g = 0x00; |
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palette->colors[1].b = 0x00; |
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116 |
} |
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117 |
SDL_SetSurfacePalette(surface, palette); |
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118 |
SDL_FreePalette(palette); |
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119 |
} |
0 | 120 |
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121 |
/* Get the pixels */ |
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122 |
if (surface->w && surface->h) { |
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123 |
surface->pixels = SDL_malloc(surface->h * surface->pitch); |
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124 |
if (!surface->pixels) { |
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|
125 |
SDL_FreeSurface(surface); |
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126 |
SDL_OutOfMemory(); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
127 |
return NULL; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
128 |
} |
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|
129 |
/* This is important for bitmaps */ |
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130 |
SDL_memset(surface->pixels, 0, surface->h * surface->pitch); |
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|
131 |
} |
0 | 132 |
|
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|
133 |
/* Allocate an empty mapping */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
134 |
surface->map = SDL_AllocBlitMap(); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
135 |
if (!surface->map) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
136 |
SDL_FreeSurface(surface); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
137 |
return NULL; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
138 |
} |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
139 |
SDL_FormatChanged(surface); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
140 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
141 |
/* The surface is ready to go */ |
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|
142 |
surface->refcount = 1; |
0 | 143 |
#ifdef CHECK_LEAKS |
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|
144 |
++surfaces_allocated; |
0 | 145 |
#endif |
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|
146 |
return surface; |
0 | 147 |
} |
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|
148 |
|
0 | 149 |
/* |
150 |
* Create an RGB surface from an existing memory buffer |
|
151 |
*/ |
|
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|
152 |
SDL_Surface * |
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153 |
SDL_CreateRGBSurfaceFrom(void *pixels, |
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|
154 |
int width, int height, int depth, int pitch, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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155 |
Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, |
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156 |
Uint32 Amask) |
0 | 157 |
{ |
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158 |
SDL_Surface *surface; |
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159 |
|
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160 |
surface = |
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161 |
SDL_CreateRGBSurface(0, 0, 0, depth, Rmask, Gmask, Bmask, Amask); |
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|
162 |
if (surface != NULL) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
163 |
surface->flags |= SDL_PREALLOC; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
164 |
surface->pixels = pixels; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
165 |
surface->w = width; |
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166 |
surface->h = height; |
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|
167 |
surface->pitch = pitch; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
168 |
SDL_SetClipRect(surface, NULL); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
169 |
} |
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|
170 |
return surface; |
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|
171 |
} |
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|
172 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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173 |
static int |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
174 |
SDL_SurfacePaletteChanged(void *userdata, SDL_Palette * palette) |
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|
175 |
{ |
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|
176 |
SDL_Surface *surface = (SDL_Surface *) userdata; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
177 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
178 |
SDL_FormatChanged(surface); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
179 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
180 |
return 0; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
181 |
} |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
182 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
183 |
int |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
184 |
SDL_SetSurfacePalette(SDL_Surface * surface, SDL_Palette * palette) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
185 |
{ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
186 |
if (!surface || !surface->format) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
187 |
SDL_SetError("SDL_SetSurfacePalette() passed a NULL surface"); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
188 |
return -1; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
189 |
} |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
190 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
191 |
if (palette && palette->ncolors != (1 << surface->format->BitsPerPixel)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
192 |
SDL_SetError |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
193 |
("SDL_SetSurfacePalette() passed a palette that doesn't match the surface format"); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
194 |
return -1; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
195 |
} |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
196 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
197 |
if (surface->format->palette == palette) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
198 |
return 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
199 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
200 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
201 |
if (surface->format->palette) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
202 |
SDL_DelPaletteWatch(surface->format->palette, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
203 |
SDL_SurfacePaletteChanged, surface); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
204 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
205 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
206 |
surface->format->palette = palette; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
207 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
208 |
if (surface->format->palette) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
209 |
SDL_AddPaletteWatch(surface->format->palette, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
210 |
SDL_SurfacePaletteChanged, surface); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
211 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
212 |
return 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
213 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
214 |
|
0 | 215 |
/* |
216 |
* Set the color key in a blittable surface |
|
217 |
*/ |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
218 |
int |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
219 |
SDL_SetColorKey(SDL_Surface * surface, Uint32 flag, Uint32 key) |
0 | 220 |
{ |
1895
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|
221 |
/* Sanity check the flag as it gets passed in */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
222 |
if (flag & SDL_SRCCOLORKEY) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
223 |
if (flag & (SDL_RLEACCEL | SDL_RLEACCELOK)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
224 |
flag = (SDL_SRCCOLORKEY | SDL_RLEACCELOK); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
225 |
} else { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
226 |
flag = SDL_SRCCOLORKEY; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
227 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
228 |
} else { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
229 |
flag = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
230 |
} |
0 | 231 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
232 |
/* Optimize away operations that don't change anything */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
233 |
if ((flag == (surface->flags & (SDL_SRCCOLORKEY | SDL_RLEACCELOK))) && |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
234 |
(key == surface->format->colorkey)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
235 |
return (0); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
236 |
} |
0 | 237 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
238 |
/* UnRLE surfaces before we change the colorkey */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
239 |
if (surface->flags & SDL_RLEACCEL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
240 |
SDL_UnRLESurface(surface, 1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
241 |
} |
0 | 242 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
243 |
if (flag) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
244 |
surface->flags |= SDL_SRCCOLORKEY; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
245 |
surface->format->colorkey = key; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
246 |
if (flag & SDL_RLEACCELOK) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
247 |
surface->flags |= SDL_RLEACCELOK; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
248 |
} else { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
249 |
surface->flags &= ~SDL_RLEACCELOK; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
250 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
251 |
} else { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
252 |
surface->flags &= ~(SDL_SRCCOLORKEY | SDL_RLEACCELOK); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
253 |
surface->format->colorkey = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
254 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
255 |
SDL_InvalidateMap(surface->map); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
256 |
return (0); |
0 | 257 |
} |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
258 |
|
431
41cadcba32e8
Fixed SDL_DisplayFormatAlpha() on RGB surfaces with alpha
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|
259 |
/* This function sets the alpha channel of a surface */ |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
260 |
int |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
261 |
SDL_SetAlpha(SDL_Surface * surface, Uint32 flag, Uint8 value) |
0 | 262 |
{ |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
263 |
Uint32 oldflags = surface->flags; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
264 |
Uint32 oldalpha = surface->format->alpha; |
0 | 265 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
266 |
/* Sanity check the flag as it gets passed in */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
267 |
if (flag & SDL_SRCALPHA) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
268 |
if (flag & (SDL_RLEACCEL | SDL_RLEACCELOK)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
269 |
flag = (SDL_SRCALPHA | SDL_RLEACCELOK); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
270 |
} else { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
271 |
flag = SDL_SRCALPHA; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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272 |
} |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
273 |
} else { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
274 |
flag = 0; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
275 |
} |
0 | 276 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
277 |
/* Optimize away operations that don't change anything */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
278 |
if ((flag == (surface->flags & (SDL_SRCALPHA | SDL_RLEACCELOK))) && |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
279 |
(!flag || value == oldalpha)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
280 |
return (0); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
281 |
} |
0 | 282 |
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
283 |
if (!(flag & SDL_RLEACCELOK) && (surface->flags & SDL_RLEACCEL)) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
284 |
SDL_UnRLESurface(surface, 1); |
0 | 285 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
286 |
if (flag) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
287 |
surface->flags |= SDL_SRCALPHA; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
288 |
surface->format->alpha = value; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
289 |
if (flag & SDL_RLEACCELOK) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
290 |
surface->flags |= SDL_RLEACCELOK; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
291 |
} else { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
292 |
surface->flags &= ~SDL_RLEACCELOK; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
293 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
294 |
} else { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
295 |
surface->flags &= ~SDL_SRCALPHA; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
296 |
surface->format->alpha = SDL_ALPHA_OPAQUE; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
297 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
298 |
/* |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
299 |
* The representation for software surfaces is independent of |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
300 |
* per-surface alpha, so no need to invalidate the blit mapping |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
301 |
* if just the alpha value was changed. (If either is 255, we still |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
302 |
* need to invalidate.) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
303 |
*/ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
304 |
if (oldflags != surface->flags |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
305 |
|| (((oldalpha + 1) ^ (value + 1)) & 0x100)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
306 |
SDL_InvalidateMap(surface->map); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
307 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
308 |
return (0); |
0 | 309 |
} |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
310 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
311 |
int |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
312 |
SDL_SetAlphaChannel(SDL_Surface * surface, Uint8 value) |
431
41cadcba32e8
Fixed SDL_DisplayFormatAlpha() on RGB surfaces with alpha
Sam Lantinga <slouken@libsdl.org>
parents:
422
diff
changeset
|
313 |
{ |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
314 |
int row, col; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
315 |
int offset; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
316 |
Uint8 *buf; |
431
41cadcba32e8
Fixed SDL_DisplayFormatAlpha() on RGB surfaces with alpha
Sam Lantinga <slouken@libsdl.org>
parents:
422
diff
changeset
|
317 |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
318 |
if ((surface->format->Amask != 0xFF000000) && |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
319 |
(surface->format->Amask != 0x000000FF)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
320 |
SDL_SetError("Unsupported surface alpha mask format"); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
321 |
return -1; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
322 |
} |
431
41cadcba32e8
Fixed SDL_DisplayFormatAlpha() on RGB surfaces with alpha
Sam Lantinga <slouken@libsdl.org>
parents:
422
diff
changeset
|
323 |
#if SDL_BYTEORDER == SDL_LIL_ENDIAN |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
324 |
if (surface->format->Amask == 0xFF000000) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
325 |
offset = 3; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
326 |
} else { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
327 |
offset = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
328 |
} |
431
41cadcba32e8
Fixed SDL_DisplayFormatAlpha() on RGB surfaces with alpha
Sam Lantinga <slouken@libsdl.org>
parents:
422
diff
changeset
|
329 |
#else |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
330 |
if (surface->format->Amask == 0xFF000000) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
331 |
offset = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
332 |
} else { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
333 |
offset = 3; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
334 |
} |
431
41cadcba32e8
Fixed SDL_DisplayFormatAlpha() on RGB surfaces with alpha
Sam Lantinga <slouken@libsdl.org>
parents:
422
diff
changeset
|
335 |
#endif /* Byte ordering */ |
41cadcba32e8
Fixed SDL_DisplayFormatAlpha() on RGB surfaces with alpha
Sam Lantinga <slouken@libsdl.org>
parents:
422
diff
changeset
|
336 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
337 |
/* Quickly set the alpha channel of an RGBA or ARGB surface */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
338 |
if (SDL_MUSTLOCK(surface)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
339 |
if (SDL_LockSurface(surface) < 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
340 |
return -1; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
341 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
342 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
343 |
row = surface->h; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
344 |
while (row--) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
345 |
col = surface->w; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
346 |
buf = (Uint8 *) surface->pixels + row * surface->pitch + offset; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
347 |
while (col--) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
348 |
*buf = value; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
349 |
buf += 4; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
350 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
351 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
352 |
if (SDL_MUSTLOCK(surface)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
353 |
SDL_UnlockSurface(surface); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
354 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
355 |
return 0; |
431
41cadcba32e8
Fixed SDL_DisplayFormatAlpha() on RGB surfaces with alpha
Sam Lantinga <slouken@libsdl.org>
parents:
422
diff
changeset
|
356 |
} |
0 | 357 |
|
358 |
/* |
|
359 |
* Set the clipping rectangle for a blittable surface |
|
360 |
*/ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
361 |
SDL_bool |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
362 |
SDL_SetClipRect(SDL_Surface * surface, const SDL_Rect * rect) |
0 | 363 |
{ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
364 |
SDL_Rect full_rect; |
0 | 365 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
366 |
/* Don't do anything if there's no surface to act on */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
367 |
if (!surface) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
368 |
return SDL_FALSE; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
369 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
370 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
371 |
/* Set up the full surface rectangle */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
372 |
full_rect.x = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
373 |
full_rect.y = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
374 |
full_rect.w = surface->w; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
375 |
full_rect.h = surface->h; |
0 | 376 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
377 |
/* Set the clipping rectangle */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
378 |
if (!rect) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
379 |
surface->clip_rect = full_rect; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
380 |
return 1; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
381 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
382 |
return SDL_IntersectRect(rect, &full_rect, &surface->clip_rect); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
383 |
} |
0 | 384 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
385 |
void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
386 |
SDL_GetClipRect(SDL_Surface * surface, SDL_Rect * rect) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
387 |
{ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
388 |
if (surface && rect) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
389 |
*rect = surface->clip_rect; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
390 |
} |
0 | 391 |
} |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
392 |
|
0 | 393 |
/* |
394 |
* Set up a blit between two surfaces -- split into three parts: |
|
395 |
* The upper part, SDL_UpperBlit(), performs clipping and rectangle |
|
396 |
* verification. The lower part is a pointer to a low level |
|
397 |
* accelerated blitting function. |
|
398 |
* |
|
399 |
* These parts are separated out and each used internally by this |
|
400 |
* library in the optimimum places. They are exported so that if |
|
401 |
* you know exactly what you are doing, you can optimize your code |
|
402 |
* by calling the one(s) you need. |
|
403 |
*/ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
404 |
int |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
405 |
SDL_LowerBlit(SDL_Surface * src, SDL_Rect * srcrect, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
406 |
SDL_Surface * dst, SDL_Rect * dstrect) |
0 | 407 |
{ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
408 |
/* Check to make sure the blit mapping is valid */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
409 |
if ((src->map->dst != dst) || |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
410 |
(src->map->dst->format_version != src->map->format_version)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
411 |
if (SDL_MapSurface(src, dst) < 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
412 |
return (-1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
413 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
414 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
415 |
return (src->map->sw_blit(src, srcrect, dst, dstrect)); |
0 | 416 |
} |
417 |
||
418 |
||
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
419 |
int |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
420 |
SDL_UpperBlit(SDL_Surface * src, SDL_Rect * srcrect, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
421 |
SDL_Surface * dst, SDL_Rect * dstrect) |
0 | 422 |
{ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
423 |
SDL_Rect fulldst; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
424 |
int srcx, srcy, w, h; |
0 | 425 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
426 |
/* Make sure the surfaces aren't locked */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
427 |
if (!src || !dst) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
428 |
SDL_SetError("SDL_UpperBlit: passed a NULL surface"); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
429 |
return (-1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
430 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
431 |
if (src->locked || dst->locked) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
432 |
SDL_SetError("Surfaces must not be locked during blit"); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
433 |
return (-1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
434 |
} |
0 | 435 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
436 |
/* If the destination rectangle is NULL, use the entire dest surface */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
437 |
if (dstrect == NULL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
438 |
fulldst.x = fulldst.y = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
439 |
dstrect = &fulldst; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
440 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
441 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
442 |
/* clip the source rectangle to the source surface */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
443 |
if (srcrect) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
444 |
int maxw, maxh; |
0 | 445 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
446 |
srcx = srcrect->x; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
447 |
w = srcrect->w; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
448 |
if (srcx < 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
449 |
w += srcx; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
450 |
dstrect->x -= srcx; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
451 |
srcx = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
452 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
453 |
maxw = src->w - srcx; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
454 |
if (maxw < w) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
455 |
w = maxw; |
0 | 456 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
457 |
srcy = srcrect->y; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
458 |
h = srcrect->h; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
459 |
if (srcy < 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
460 |
h += srcy; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
461 |
dstrect->y -= srcy; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
462 |
srcy = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
463 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
464 |
maxh = src->h - srcy; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
465 |
if (maxh < h) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
466 |
h = maxh; |
0 | 467 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
468 |
} else { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
469 |
srcx = srcy = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
470 |
w = src->w; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
471 |
h = src->h; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
472 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
473 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
474 |
/* clip the destination rectangle against the clip rectangle */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
475 |
{ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
476 |
SDL_Rect *clip = &dst->clip_rect; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
477 |
int dx, dy; |
0 | 478 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
479 |
dx = clip->x - dstrect->x; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
480 |
if (dx > 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
481 |
w -= dx; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
482 |
dstrect->x += dx; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
483 |
srcx += dx; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
484 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
485 |
dx = dstrect->x + w - clip->x - clip->w; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
486 |
if (dx > 0) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
487 |
w -= dx; |
0 | 488 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
489 |
dy = clip->y - dstrect->y; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
490 |
if (dy > 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
491 |
h -= dy; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
492 |
dstrect->y += dy; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
493 |
srcy += dy; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
494 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
495 |
dy = dstrect->y + h - clip->y - clip->h; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
496 |
if (dy > 0) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
497 |
h -= dy; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
498 |
} |
0 | 499 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
500 |
if (w > 0 && h > 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
501 |
SDL_Rect sr; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
502 |
sr.x = srcx; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
503 |
sr.y = srcy; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
504 |
sr.w = dstrect->w = w; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
505 |
sr.h = dstrect->h = h; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
506 |
return SDL_LowerBlit(src, &sr, dst, dstrect); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
507 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
508 |
dstrect->w = dstrect->h = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
509 |
return 0; |
0 | 510 |
} |
511 |
||
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
512 |
static int |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
513 |
SDL_FillRect1(SDL_Surface * dst, SDL_Rect * dstrect, Uint32 color) |
532
058d47b7a3b4
Return an error with color fills on less than 8 bpp surfaces.
Sam Lantinga <slouken@libsdl.org>
parents:
526
diff
changeset
|
514 |
{ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
515 |
/* FIXME: We have to worry about packing order.. *sigh* */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
516 |
SDL_SetError("1-bpp rect fill not yet implemented"); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
517 |
return -1; |
532
058d47b7a3b4
Return an error with color fills on less than 8 bpp surfaces.
Sam Lantinga <slouken@libsdl.org>
parents:
526
diff
changeset
|
518 |
} |
058d47b7a3b4
Return an error with color fills on less than 8 bpp surfaces.
Sam Lantinga <slouken@libsdl.org>
parents:
526
diff
changeset
|
519 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
520 |
static int |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
521 |
SDL_FillRect4(SDL_Surface * dst, SDL_Rect * dstrect, Uint32 color) |
532
058d47b7a3b4
Return an error with color fills on less than 8 bpp surfaces.
Sam Lantinga <slouken@libsdl.org>
parents:
526
diff
changeset
|
522 |
{ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
523 |
/* FIXME: We have to worry about packing order.. *sigh* */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
524 |
SDL_SetError("4-bpp rect fill not yet implemented"); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
525 |
return -1; |
532
058d47b7a3b4
Return an error with color fills on less than 8 bpp surfaces.
Sam Lantinga <slouken@libsdl.org>
parents:
526
diff
changeset
|
526 |
} |
058d47b7a3b4
Return an error with color fills on less than 8 bpp surfaces.
Sam Lantinga <slouken@libsdl.org>
parents:
526
diff
changeset
|
527 |
|
0 | 528 |
/* |
529 |
* This function performs a fast fill of the given rectangle with 'color' |
|
530 |
*/ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
531 |
int |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
532 |
SDL_FillRect(SDL_Surface * dst, SDL_Rect * dstrect, Uint32 color) |
0 | 533 |
{ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
534 |
int x, y; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
535 |
Uint8 *row; |
0 | 536 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
537 |
/* This function doesn't work on surfaces < 8 bpp */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
538 |
if (dst->format->BitsPerPixel < 8) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
539 |
switch (dst->format->BitsPerPixel) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
540 |
case 1: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
541 |
return SDL_FillRect1(dst, dstrect, color); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
542 |
break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
543 |
case 4: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
544 |
return SDL_FillRect4(dst, dstrect, color); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
545 |
break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
546 |
default: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
547 |
SDL_SetError("Fill rect on unsupported surface format"); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
548 |
return (-1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
549 |
break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
550 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
551 |
} |
532
058d47b7a3b4
Return an error with color fills on less than 8 bpp surfaces.
Sam Lantinga <slouken@libsdl.org>
parents:
526
diff
changeset
|
552 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
553 |
/* If 'dstrect' == NULL, then fill the whole surface */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
554 |
if (dstrect) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
555 |
/* Perform clipping */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
556 |
if (!SDL_IntersectRect(dstrect, &dst->clip_rect, dstrect)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
557 |
return (0); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
558 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
559 |
} else { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
560 |
dstrect = &dst->clip_rect; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
561 |
} |
0 | 562 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
563 |
/* Perform software fill */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
564 |
if (SDL_LockSurface(dst) != 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
565 |
return (-1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
566 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
567 |
row = (Uint8 *) dst->pixels + dstrect->y * dst->pitch + |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
568 |
dstrect->x * dst->format->BytesPerPixel; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
569 |
if (dst->format->palette || (color == 0)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
570 |
x = dstrect->w * dst->format->BytesPerPixel; |
2235 | 571 |
#ifndef __MACOSX__ /* memset() is optimized on Mac OS X */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
572 |
if (!color && !((uintptr_t) row & 3) && !(x & 3) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
573 |
&& !(dst->pitch & 3)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
574 |
int n = x >> 2; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
575 |
for (y = dstrect->h; y; --y) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
576 |
SDL_memset4(row, 0, n); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
577 |
row += dst->pitch; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
578 |
} |
2234
cf8c3b0117b3
Gained 5 FPS in testsprite because Mac OS X memset is highly optimized
Sam Lantinga <slouken@libsdl.org>
parents:
2222
diff
changeset
|
579 |
} else |
cf8c3b0117b3
Gained 5 FPS in testsprite because Mac OS X memset is highly optimized
Sam Lantinga <slouken@libsdl.org>
parents:
2222
diff
changeset
|
580 |
#endif /* !__MACOSX__ */ |
cf8c3b0117b3
Gained 5 FPS in testsprite because Mac OS X memset is highly optimized
Sam Lantinga <slouken@libsdl.org>
parents:
2222
diff
changeset
|
581 |
{ |
2222
926294b2bb4e
Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents:
1920
diff
changeset
|
582 |
for (y = dstrect->h; y; y--) { |
926294b2bb4e
Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents:
1920
diff
changeset
|
583 |
SDL_memset(row, color, x); |
926294b2bb4e
Emphasized the separation between SDL_Surface and SDL_Texture
Sam Lantinga <slouken@libsdl.org>
parents:
1920
diff
changeset
|
584 |
row += dst->pitch; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
585 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
586 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
587 |
} else { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
588 |
switch (dst->format->BytesPerPixel) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
589 |
case 2: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
590 |
for (y = dstrect->h; y; --y) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
591 |
Uint16 *pixels = (Uint16 *) row; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
592 |
Uint16 c = (Uint16) color; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
593 |
Uint32 cc = (Uint32) c << 16 | c; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
594 |
int n = dstrect->w; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
595 |
if ((uintptr_t) pixels & 3) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
596 |
*pixels++ = c; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
597 |
n--; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
598 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
599 |
if (n >> 1) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
600 |
SDL_memset4(pixels, cc, n >> 1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
601 |
if (n & 1) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
602 |
pixels[n - 1] = c; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
603 |
row += dst->pitch; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
604 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
605 |
break; |
0 | 606 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
607 |
case 3: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
608 |
#if SDL_BYTEORDER == SDL_BIG_ENDIAN |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
609 |
color <<= 8; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
610 |
#endif |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
611 |
for (y = dstrect->h; y; --y) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
612 |
Uint8 *pixels = row; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
613 |
for (x = dstrect->w; x; --x) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
614 |
SDL_memcpy(pixels, &color, 3); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
615 |
pixels += 3; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
616 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
617 |
row += dst->pitch; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
618 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
619 |
break; |
0 | 620 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
621 |
case 4: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
622 |
for (y = dstrect->h; y; --y) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
623 |
SDL_memset4(row, color, dstrect->w); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
624 |
row += dst->pitch; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
625 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
626 |
break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
627 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
628 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
629 |
SDL_UnlockSurface(dst); |
0 | 630 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
631 |
/* We're done! */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
632 |
return (0); |
0 | 633 |
} |
634 |
||
635 |
/* |
|
636 |
* Lock a surface to directly access the pixels |
|
637 |
*/ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
638 |
int |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
639 |
SDL_LockSurface(SDL_Surface * surface) |
0 | 640 |
{ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
641 |
if (!surface->locked) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
642 |
/* Perform the lock */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
643 |
if (surface->flags & SDL_RLEACCEL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
644 |
SDL_UnRLESurface(surface, 1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
645 |
surface->flags |= SDL_RLEACCEL; /* save accel'd state */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
646 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
647 |
} |
0 | 648 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
649 |
/* Increment the surface lock count, for recursive locks */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
650 |
++surface->locked; |
0 | 651 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
652 |
/* Ready to go.. */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
653 |
return (0); |
0 | 654 |
} |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
655 |
|
0 | 656 |
/* |
657 |
* Unlock a previously locked surface |
|
658 |
*/ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
659 |
void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
660 |
SDL_UnlockSurface(SDL_Surface * surface) |
0 | 661 |
{ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
662 |
/* Only perform an unlock if we are locked */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
663 |
if (!surface->locked || (--surface->locked > 0)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
664 |
return; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
665 |
} |
0 | 666 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
667 |
/* Update RLE encoded surface with new data */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
668 |
if ((surface->flags & SDL_RLEACCEL) == SDL_RLEACCEL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
669 |
surface->flags &= ~SDL_RLEACCEL; /* stop lying */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
670 |
SDL_RLESurface(surface); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
671 |
} |
0 | 672 |
} |
673 |
||
674 |
/* |
|
675 |
* Convert a surface into the specified pixel format. |
|
676 |
*/ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
677 |
SDL_Surface * |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
678 |
SDL_ConvertSurface(SDL_Surface * surface, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
679 |
SDL_PixelFormat * format, Uint32 flags) |
0 | 680 |
{ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
681 |
SDL_Surface *convert; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
682 |
Uint32 colorkey = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
683 |
Uint8 alpha = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
684 |
Uint32 surface_flags; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
685 |
SDL_Rect bounds; |
0 | 686 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
687 |
/* Check for empty destination palette! (results in empty image) */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
688 |
if (format->palette != NULL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
689 |
int i; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
690 |
for (i = 0; i < format->palette->ncolors; ++i) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
691 |
if ((format->palette->colors[i].r != 0xFF) || |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
692 |
(format->palette->colors[i].g != 0xFF) || |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
693 |
(format->palette->colors[i].b != 0xFF)) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
694 |
break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
695 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
696 |
if (i == format->palette->ncolors) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
697 |
SDL_SetError("Empty destination palette"); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
698 |
return (NULL); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
699 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
700 |
} |
264
c9cd3b564e4b
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
701 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
702 |
/* Create a new surface with the desired format */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
703 |
convert = SDL_CreateRGBSurface(flags, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
704 |
surface->w, surface->h, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
705 |
format->BitsPerPixel, format->Rmask, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
706 |
format->Gmask, format->Bmask, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
707 |
format->Amask); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
708 |
if (convert == NULL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
709 |
return (NULL); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
710 |
} |
0 | 711 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
712 |
/* Copy the palette if any */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
713 |
if (format->palette && convert->format->palette) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
714 |
SDL_memcpy(convert->format->palette->colors, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
715 |
format->palette->colors, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
716 |
format->palette->ncolors * sizeof(SDL_Color)); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
717 |
convert->format->palette->ncolors = format->palette->ncolors; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
718 |
} |
0 | 719 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
720 |
/* Save the original surface color key and alpha */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
721 |
surface_flags = surface->flags; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
722 |
if ((surface_flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
723 |
/* Convert colourkeyed surfaces to RGBA if requested */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
724 |
if ((flags & SDL_SRCCOLORKEY) != SDL_SRCCOLORKEY && format->Amask) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
725 |
surface_flags &= ~SDL_SRCCOLORKEY; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
726 |
} else { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
727 |
colorkey = surface->format->colorkey; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
728 |
SDL_SetColorKey(surface, 0, 0); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
729 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
730 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
731 |
if ((surface_flags & SDL_SRCALPHA) == SDL_SRCALPHA) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
732 |
/* Copy over the alpha channel to RGBA if requested */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
733 |
if (format->Amask) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
734 |
surface->flags &= ~SDL_SRCALPHA; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
735 |
} else { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
736 |
alpha = surface->format->alpha; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
737 |
SDL_SetAlpha(surface, 0, 0); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
738 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
739 |
} |
0 | 740 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
741 |
/* Copy over the image data */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
742 |
bounds.x = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
743 |
bounds.y = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
744 |
bounds.w = surface->w; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
745 |
bounds.h = surface->h; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
746 |
SDL_LowerBlit(surface, &bounds, convert, &bounds); |
0 | 747 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
748 |
/* Clean up the original surface, and update converted surface */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
749 |
if (convert != NULL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
750 |
SDL_SetClipRect(convert, &surface->clip_rect); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
751 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
752 |
if ((surface_flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
753 |
Uint32 cflags = surface_flags & (SDL_SRCCOLORKEY | SDL_RLEACCELOK); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
754 |
if (convert != NULL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
755 |
Uint8 keyR, keyG, keyB; |
0 | 756 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
757 |
SDL_GetRGB(colorkey, surface->format, &keyR, &keyG, &keyB); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
758 |
SDL_SetColorKey(convert, cflags | (flags & SDL_RLEACCELOK), |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
759 |
SDL_MapRGB(convert->format, keyR, keyG, keyB)); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
760 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
761 |
SDL_SetColorKey(surface, cflags, colorkey); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
762 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
763 |
if ((surface_flags & SDL_SRCALPHA) == SDL_SRCALPHA) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
764 |
Uint32 aflags = surface_flags & (SDL_SRCALPHA | SDL_RLEACCELOK); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
765 |
if (convert != NULL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
766 |
SDL_SetAlpha(convert, aflags | (flags & SDL_RLEACCELOK), alpha); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
767 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
768 |
if (format->Amask) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
769 |
surface->flags |= SDL_SRCALPHA; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
770 |
} else { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
771 |
SDL_SetAlpha(surface, aflags, alpha); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
772 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
773 |
} |
0 | 774 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
775 |
/* We're ready to go! */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
776 |
return (convert); |
0 | 777 |
} |
778 |
||
779 |
/* |
|
780 |
* Free a surface created by the above function. |
|
781 |
*/ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
782 |
void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
783 |
SDL_FreeSurface(SDL_Surface * surface) |
0 | 784 |
{ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
785 |
if (surface == NULL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
786 |
return; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
787 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
788 |
if (--surface->refcount > 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
789 |
return; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
790 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
791 |
while (surface->locked > 0) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
792 |
SDL_UnlockSurface(surface); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
793 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
794 |
if (surface->flags & SDL_RLEACCEL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
795 |
SDL_UnRLESurface(surface, 0); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
796 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
797 |
if (surface->format) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
798 |
SDL_SetSurfacePalette(surface, NULL); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
799 |
SDL_FreeFormat(surface->format); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
800 |
surface->format = NULL; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
801 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
802 |
if (surface->map != NULL) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
803 |
SDL_FreeBlitMap(surface->map); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
804 |
surface->map = NULL; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
805 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
806 |
if (surface->pixels && ((surface->flags & SDL_PREALLOC) != SDL_PREALLOC)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
807 |
SDL_free(surface->pixels); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
808 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
809 |
SDL_free(surface); |
0 | 810 |
#ifdef CHECK_LEAKS |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
811 |
--surfaces_allocated; |
0 | 812 |
#endif |
813 |
} |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
814 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
815 |
/* vi: set ts=4 sw=4 expandtab: */ |