author | Sam Lantinga <slouken@libsdl.org> |
Sun, 24 Jan 2010 21:10:53 +0000 | |
changeset 3697 | f7b03b6838cb |
parent 3596 | f638ded38b8a |
child 3708 | d3f7cf8b0db0 |
permissions | -rw-r--r-- |
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/* |
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SDL - Simple DirectMedia Layer |
3697 | 3 |
Copyright (C) 1997-2010 Sam Lantinga |
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5 |
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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7 |
License as published by the Free Software Foundation; either |
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8 |
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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11 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Lesser General Public License for more details. |
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|
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You should have received a copy of the GNU Lesser General Public |
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16 |
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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/** |
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* \file SDL_surface.h |
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* |
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* Header file for ::SDL_surface definition and management functions. |
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*/ |
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#ifndef _SDL_surface_h |
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#define _SDL_surface_h |
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#include "SDL_stdinc.h" |
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#include "SDL_pixels.h" |
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#include "SDL_rect.h" |
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#include "SDL_rwops.h" |
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#include "begin_code.h" |
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/* Set up for C function definitions, even when using C++ */ |
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#ifdef __cplusplus |
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/* *INDENT-OFF* */ |
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extern "C" { |
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/* *INDENT-ON* */ |
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#endif |
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/** |
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* \name Surface flags |
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* |
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* These are the currently supported flags for the ::SDL_surface. |
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* |
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* \internal |
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* Used internally (read-only). |
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*/ |
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/*@{*/ |
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#define SDL_PREALLOC 0x00000001 /**< Surface uses preallocated memory */ |
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#define SDL_RLEACCEL 0x00000002 /**< Surface is RLE encoded */ |
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/*@}*//*Surface flags*/ |
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/** |
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* Evaluates to true if the surface needs to be locked before access. |
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*/ |
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#define SDL_MUSTLOCK(S) (((S)->flags & SDL_RLEACCEL) != 0) |
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/** |
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* \brief A collection of pixels used in software blitting. |
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* |
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* \note This structure should be treated as read-only, except for \c pixels, |
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* which, if not NULL, contains the raw pixel data for the surface. |
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*/ |
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typedef struct SDL_Surface |
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{ |
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Uint32 flags; /**< Read-only */ |
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SDL_PixelFormat *format; /**< Read-only */ |
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int w, h; /**< Read-only */ |
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int pitch; /**< Read-only */ |
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void *pixels; /**< Read-write */ |
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/** Application data associated with the surfade */ |
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void *userdata; /**< Read-write */ |
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/** information needed for surfaces requiring locks */ |
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int locked; /**< Read-only */ |
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void *lock_data; /**< Read-only */ |
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/** clipping information */ |
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SDL_Rect clip_rect; /**< Read-only */ |
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/** info for fast blit mapping to other surfaces */ |
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struct SDL_BlitMap *map; /**< Private */ |
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/** format version, bumped at every change to invalidate blit maps */ |
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unsigned int format_version; /**< Private */ |
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/** Reference count -- used when freeing surface */ |
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int refcount; /**< Read-mostly */ |
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} SDL_Surface; |
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/** |
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* \brief The type of function used for surface blitting functions. |
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*/ |
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typedef int (*SDL_blit) (struct SDL_Surface * src, SDL_Rect * srcrect, |
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struct SDL_Surface * dst, SDL_Rect * dstrect); |
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/** |
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* Allocate and free an RGB surface (must be called after SDL_SetVideoMode). |
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* |
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* If the depth is 4 or 8 bits, an empty palette is allocated for the surface. |
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* If the depth is greater than 8 bits, the pixel format is set using the |
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* flags '[RGB]mask'. |
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* |
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* If the function runs out of memory, it will return NULL. |
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* |
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* \param flags The \c flags are obsolete and should be set to 0. |
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*/ |
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extern DECLSPEC SDL_Surface *SDLCALL SDL_CreateRGBSurface |
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(Uint32 flags, int width, int height, int depth, |
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116 |
Uint32 Rmask, Uint32 Gmask, Uint32 Bmask, Uint32 Amask); |
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extern DECLSPEC SDL_Surface *SDLCALL SDL_CreateRGBSurfaceFrom(void *pixels, |
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int width, |
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int height, |
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int depth, |
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int pitch, |
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Uint32 Rmask, |
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Uint32 Gmask, |
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Uint32 Bmask, |
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Uint32 Amask); |
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extern DECLSPEC void SDLCALL SDL_FreeSurface(SDL_Surface * surface); |
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|
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/** |
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* \brief Set the palette used by a surface. |
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* |
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* \return 0, or -1 if the surface format doesn't use a palette. |
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* |
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* \note A single palette can be shared with many surfaces. |
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*/ |
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extern DECLSPEC int SDLCALL SDL_SetSurfacePalette(SDL_Surface * surface, |
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SDL_Palette * palette); |
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|
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/** |
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* \brief Sets up a surface for directly accessing the pixels. |
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* |
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* Between calls to SDL_LockSurface() / SDL_UnlockSurface(), you can write |
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* to and read from \c surface->pixels, using the pixel format stored in |
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* \c surface->format. Once you are done accessing the surface, you should |
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* use SDL_UnlockSurface() to release it. |
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145 |
* |
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* Not all surfaces require locking. If SDL_MUSTLOCK(surface) evaluates |
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* to 0, then you can read and write to the surface at any time, and the |
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* pixel format of the surface will not change. |
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149 |
* |
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* No operating system or library calls should be made between lock/unlock |
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* pairs, as critical system locks may be held during this time. |
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* |
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* SDL_LockSurface() returns 0, or -1 if the surface couldn't be locked. |
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154 |
* |
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155 |
* \sa SDL_UnlockSurface() |
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156 |
*/ |
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extern DECLSPEC int SDLCALL SDL_LockSurface(SDL_Surface * surface); |
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/** \sa SDL_LockSurface() */ |
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159 |
extern DECLSPEC void SDLCALL SDL_UnlockSurface(SDL_Surface * surface); |
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160 |
|
3341 | 161 |
/** |
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162 |
* Load a surface from a seekable SDL data source (memory or file). |
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163 |
* |
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164 |
* If \c freesrc is non-zero, the source will be closed after being read. |
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165 |
* |
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166 |
* The new surface should be freed with SDL_FreeSurface(). |
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167 |
* |
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168 |
* \return the new surface, or NULL if there was an error. |
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169 |
*/ |
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170 |
extern DECLSPEC SDL_Surface *SDLCALL SDL_LoadBMP_RW(SDL_RWops * src, |
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171 |
int freesrc); |
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172 |
|
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173 |
/** |
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174 |
* Load a surface from a file. |
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175 |
* |
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176 |
* Convenience macro. |
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177 |
*/ |
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178 |
#define SDL_LoadBMP(file) SDL_LoadBMP_RW(SDL_RWFromFile(file, "rb"), 1) |
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179 |
|
3341 | 180 |
/** |
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181 |
* Save a surface to a seekable SDL data source (memory or file). |
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182 |
* |
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183 |
* If \c freedst is non-zero, the source will be closed after being written. |
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184 |
* |
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185 |
* \return 0 if successful or -1 if there was an error. |
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186 |
*/ |
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187 |
extern DECLSPEC int SDLCALL SDL_SaveBMP_RW |
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188 |
(SDL_Surface * surface, SDL_RWops * dst, int freedst); |
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189 |
|
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190 |
/** |
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191 |
* Save a surface to a file. |
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192 |
* |
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193 |
* Convenience macro. |
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194 |
*/ |
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195 |
#define SDL_SaveBMP(surface, file) \ |
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196 |
SDL_SaveBMP_RW(surface, SDL_RWFromFile(file, "wb"), 1) |
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197 |
|
3341 | 198 |
/** |
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199 |
* \brief Sets the RLE acceleration hint for a surface. |
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200 |
* |
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201 |
* \return 0 on success, or -1 if the surface is not valid |
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202 |
* |
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203 |
* \note If RLE is enabled, colorkey and alpha blending blits are much faster, |
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204 |
* but the surface must be locked before directly accessing the pixels. |
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205 |
*/ |
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206 |
extern DECLSPEC int SDLCALL SDL_SetSurfaceRLE(SDL_Surface * surface, |
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207 |
int flag); |
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208 |
|
3341 | 209 |
/** |
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210 |
* \brief Sets the color key (transparent pixel) in a blittable surface. |
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211 |
* |
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212 |
* \param surface The surface to update |
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213 |
* \param flag Non-zero to enable colorkey and 0 to disable colorkey |
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214 |
* \param key The transparent pixel in the native surface format |
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215 |
* |
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216 |
* \return 0 on success, or -1 if the surface is not valid |
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217 |
*/ |
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218 |
extern DECLSPEC int SDLCALL SDL_SetColorKey(SDL_Surface * surface, |
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219 |
int flag, Uint32 key); |
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220 |
|
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/** |
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* \brief Gets the color key (transparent pixel) in a blittable surface. |
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223 |
* |
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224 |
* \param surface The surface to update |
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225 |
* \param key A pointer filled in with the transparent pixel in the native |
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226 |
* surface format |
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227 |
* |
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228 |
* \return 0 on success, or -1 if the surface is not valid or colorkey is not |
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229 |
* enabled. |
3103 | 230 |
*/ |
231 |
extern DECLSPEC int SDLCALL SDL_GetColorKey(SDL_Surface * surface, |
|
232 |
Uint32 * key); |
|
233 |
||
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234 |
/** |
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235 |
* \brief Set an additional color value used in blit operations. |
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236 |
* |
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237 |
* \param surface The surface to update. |
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238 |
* \param r The red source color value multiplied into blit operations. |
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239 |
* \param g The green source color value multiplied into blit operations. |
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240 |
* \param b The blue source color value multiplied into blit operations. |
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* |
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* \return 0 on success, or -1 if the surface is not valid. |
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* |
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* \sa SDL_GetSurfaceColorMod() |
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*/ |
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extern DECLSPEC int SDLCALL SDL_SetSurfaceColorMod(SDL_Surface * surface, |
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Uint8 r, Uint8 g, Uint8 b); |
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/** |
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* \brief Get the additional color value used in blit operations. |
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* |
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* \param surface The surface to query. |
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* \param r A pointer filled in with the source red color value. |
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* \param g A pointer filled in with the source green color value. |
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* \param b A pointer filled in with the source blue color value. |
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* |
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* \return 0 on success, or -1 if the surface is not valid. |
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* |
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* \sa SDL_SetSurfaceColorMod() |
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*/ |
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extern DECLSPEC int SDLCALL SDL_GetSurfaceColorMod(SDL_Surface * surface, |
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Uint8 * r, Uint8 * g, |
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Uint8 * b); |
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/** |
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* \brief Set an additional alpha value used in blit operations. |
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* |
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* \param surface The surface to update. |
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* \param alpha The source alpha value multiplied into blit operations. |
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* |
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* \return 0 on success, or -1 if the surface is not valid. |
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* |
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* \sa SDL_GetSurfaceAlphaMod() |
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*/ |
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extern DECLSPEC int SDLCALL SDL_SetSurfaceAlphaMod(SDL_Surface * surface, |
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Uint8 alpha); |
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/** |
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* \brief Get the additional alpha value used in blit operations. |
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* |
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* \param surface The surface to query. |
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* \param alpha A pointer filled in with the source alpha value. |
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* |
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* \return 0 on success, or -1 if the surface is not valid. |
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* |
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* \sa SDL_SetSurfaceAlphaMod() |
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288 |
*/ |
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289 |
extern DECLSPEC int SDLCALL SDL_GetSurfaceAlphaMod(SDL_Surface * surface, |
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290 |
Uint8 * alpha); |
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|
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|
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/** |
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* \brief Set the blend mode used for blit operations. |
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* |
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* \param surface The surface to update. |
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* \param blendMode ::SDL_BlendMode to use for blit blending. |
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297 |
* |
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* \return 0 on success, or -1 if the parameters are not valid. |
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299 |
* |
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300 |
* \sa SDL_GetSurfaceBlendMode() |
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301 |
*/ |
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302 |
extern DECLSPEC int SDLCALL SDL_SetSurfaceBlendMode(SDL_Surface * surface, |
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303 |
int blendMode); |
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|
304 |
|
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305 |
/** |
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306 |
* \brief Get the blend mode used for blit operations. |
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307 |
* |
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308 |
* \param surface The surface to query. |
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* \param blendMode A pointer filled in with the current blend mode. |
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310 |
* |
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311 |
* \return 0 on success, or -1 if the surface is not valid. |
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312 |
* |
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313 |
* \sa SDL_SetSurfaceBlendMode() |
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314 |
*/ |
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|
315 |
extern DECLSPEC int SDLCALL SDL_GetSurfaceBlendMode(SDL_Surface * surface, |
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316 |
int *blendMode); |
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|
317 |
|
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/** |
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* \brief Set the scale mode used for blit operations. |
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320 |
* |
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321 |
* \param surface The surface to update. |
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322 |
* \param scaleMode ::SDL_TextureScaleMode to use for blit scaling. |
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323 |
* |
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324 |
* \return 0 on success, or -1 if the surface is not valid or the scale mode is |
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325 |
* not supported. |
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326 |
* |
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327 |
* \note If the scale mode is not supported, the closest supported mode is |
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328 |
* chosen. Currently only ::SDL_TEXTURESCALEMODE_FAST is supported on |
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|
329 |
* surfaces. |
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330 |
* |
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331 |
* \sa SDL_GetSurfaceScaleMode() |
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332 |
*/ |
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|
333 |
extern DECLSPEC int SDLCALL SDL_SetSurfaceScaleMode(SDL_Surface * surface, |
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334 |
int scaleMode); |
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|
335 |
|
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336 |
/** |
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337 |
* \brief Get the scale mode used for blit operations. |
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338 |
* |
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339 |
* \param surface The surface to query. |
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340 |
* \param scaleMode A pointer filled in with the current scale mode. |
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341 |
* |
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342 |
* \return 0 on success, or -1 if the surface is not valid. |
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343 |
* |
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344 |
* \sa SDL_SetSurfaceScaleMode() |
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345 |
*/ |
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346 |
extern DECLSPEC int SDLCALL SDL_GetSurfaceScaleMode(SDL_Surface * surface, |
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347 |
int *scaleMode); |
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|
3341 | 349 |
/** |
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350 |
* Sets the clipping rectangle for the destination surface in a blit. |
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351 |
* |
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352 |
* If the clip rectangle is NULL, clipping will be disabled. |
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353 |
* |
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354 |
* If the clip rectangle doesn't intersect the surface, the function will |
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|
355 |
* return SDL_FALSE and blits will be completely clipped. Otherwise the |
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|
356 |
* function returns SDL_TRUE and blits to the surface will be clipped to |
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357 |
* the intersection of the surface area and the clipping rectangle. |
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358 |
* |
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Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
359 |
* Note that blits are automatically clipped to the edges of the source |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
360 |
* and destination surfaces. |
2275
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
361 |
*/ |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
362 |
extern DECLSPEC SDL_bool SDLCALL SDL_SetClipRect(SDL_Surface * surface, |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
363 |
const SDL_Rect * rect); |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
364 |
|
3341 | 365 |
/** |
3407
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
366 |
* Gets the clipping rectangle for the destination surface in a blit. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
367 |
* |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
368 |
* \c rect must be a pointer to a valid rectangle which will be filled |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
369 |
* with the correct values. |
2275
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
370 |
*/ |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
371 |
extern DECLSPEC void SDLCALL SDL_GetClipRect(SDL_Surface * surface, |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
372 |
SDL_Rect * rect); |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
373 |
|
3341 | 374 |
/** |
3407
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
375 |
* Creates a new surface of the specified format, and then copies and maps |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
376 |
* the given surface to it so the blit of the converted surface will be as |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
377 |
* fast as possible. If this function fails, it returns NULL. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
378 |
* |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
379 |
* The \c flags parameter is passed to SDL_CreateRGBSurface() and has those |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
380 |
* semantics. You can also pass ::SDL_RLEACCEL in the flags parameter and |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
381 |
* SDL will try to RLE accelerate colorkey and alpha blits in the resulting |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
382 |
* surface. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
383 |
* |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
384 |
* This function is used internally by SDL_DisplayFormat(). |
2275
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
385 |
*/ |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
386 |
extern DECLSPEC SDL_Surface *SDLCALL SDL_ConvertSurface |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
387 |
(SDL_Surface * src, SDL_PixelFormat * fmt, Uint32 flags); |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
388 |
|
3341 | 389 |
/** |
3434
147d6ef5be03
Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents:
3407
diff
changeset
|
390 |
* \brief Copy a block of pixels of one format to another format |
147d6ef5be03
Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents:
3407
diff
changeset
|
391 |
*/ |
147d6ef5be03
Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents:
3407
diff
changeset
|
392 |
extern DECLSPEC int SDLCALL SDL_ConvertPixels(int width, int height, |
147d6ef5be03
Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents:
3407
diff
changeset
|
393 |
Uint32 src_format, |
147d6ef5be03
Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents:
3407
diff
changeset
|
394 |
const void * src, int src_pitch, |
147d6ef5be03
Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents:
3407
diff
changeset
|
395 |
Uint32 dst_format, |
147d6ef5be03
Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents:
3407
diff
changeset
|
396 |
void * dst, int dst_pitch); |
147d6ef5be03
Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents:
3407
diff
changeset
|
397 |
|
147d6ef5be03
Added a utility function to convert blocks of pixels
Sam Lantinga <slouken@libsdl.org>
parents:
3407
diff
changeset
|
398 |
/** |
3407
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
399 |
* Draws a point with \c color. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
400 |
* |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
401 |
* The color should be a pixel of the format used by the surface, and |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
402 |
* can be generated by the SDL_MapRGB() function. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
403 |
* |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
404 |
* \return 0 on success, or -1 on error. |
2901 | 405 |
*/ |
406 |
extern DECLSPEC int SDLCALL SDL_DrawPoint |
|
407 |
(SDL_Surface * dst, int x, int y, Uint32 color); |
|
3536
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
3434
diff
changeset
|
408 |
extern DECLSPEC int SDLCALL SDL_DrawPoints |
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
3434
diff
changeset
|
409 |
(SDL_Surface * dst, const SDL_Point * points, int count, Uint32 color); |
2901 | 410 |
|
3341 | 411 |
/** |
3407
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
412 |
* Blends a point with an RGBA value. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
413 |
* |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
414 |
* \return 0 on success, or -1 on error. |
2901 | 415 |
*/ |
3596
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
416 |
extern DECLSPEC int SDLCALL SDL_BlendPoint |
3536
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
3434
diff
changeset
|
417 |
(SDL_Surface * dst, int x, int y, |
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
3434
diff
changeset
|
418 |
int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a); |
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
3434
diff
changeset
|
419 |
extern DECLSPEC int SDLCALL SDL_BlendPoints |
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
3434
diff
changeset
|
420 |
(SDL_Surface * dst, const SDL_Point * points, int count, |
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
3434
diff
changeset
|
421 |
int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a); |
2901 | 422 |
|
3341 | 423 |
/** |
3407
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
424 |
* Draws a line with \c color. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
425 |
* |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
426 |
* The color should be a pixel of the format used by the surface, and |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
427 |
* can be generated by the SDL_MapRGB() function. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
428 |
* |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
429 |
* \return 0 on success, or -1 on error. |
2888
32e8bbba1e94
Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
2859
diff
changeset
|
430 |
*/ |
32e8bbba1e94
Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
2859
diff
changeset
|
431 |
extern DECLSPEC int SDLCALL SDL_DrawLine |
32e8bbba1e94
Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
2859
diff
changeset
|
432 |
(SDL_Surface * dst, int x1, int y1, int x2, int y2, Uint32 color); |
3536
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
3434
diff
changeset
|
433 |
extern DECLSPEC int SDLCALL SDL_DrawLines |
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
3434
diff
changeset
|
434 |
(SDL_Surface * dst, const SDL_Point * points, int count, Uint32 color); |
2888
32e8bbba1e94
Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
2859
diff
changeset
|
435 |
|
3341 | 436 |
/** |
3407
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
437 |
* Blends an RGBA value along a line. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
438 |
* |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
439 |
* \return 0 on success, or -1 on error. |
2888
32e8bbba1e94
Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
2859
diff
changeset
|
440 |
*/ |
32e8bbba1e94
Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
2859
diff
changeset
|
441 |
extern DECLSPEC int SDLCALL SDL_BlendLine |
3536
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
3434
diff
changeset
|
442 |
(SDL_Surface * dst, int x1, int y1, int x2, int y2, |
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
3434
diff
changeset
|
443 |
int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a); |
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
3434
diff
changeset
|
444 |
extern DECLSPEC int SDLCALL SDL_BlendLines |
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
3434
diff
changeset
|
445 |
(SDL_Surface * dst, const SDL_Point * points, int count, |
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
3434
diff
changeset
|
446 |
int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a); |
2888
32e8bbba1e94
Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
2859
diff
changeset
|
447 |
|
3341 | 448 |
/** |
3593
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
449 |
* Draws the given rectangle with \c color. |
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
450 |
* |
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
451 |
* If \c rect is NULL, the whole surface will be outlined with \c color. |
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
452 |
* |
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
453 |
* The color should be a pixel of the format used by the surface, and |
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
454 |
* can be generated by the SDL_MapRGB() function. |
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
455 |
* |
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
456 |
* \return 0 on success, or -1 on error. |
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
457 |
*/ |
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
458 |
extern DECLSPEC int SDLCALL SDL_DrawRect |
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
459 |
(SDL_Surface * dst, const SDL_Rect * rect, Uint32 color); |
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
460 |
extern DECLSPEC int SDLCALL SDL_DrawRects |
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
461 |
(SDL_Surface * dst, const SDL_Rect ** rects, int count, Uint32 color); |
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
462 |
|
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
463 |
/** |
3596
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
464 |
* Blends an RGBA value into the outline of the given rectangle. |
3593
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
465 |
* |
3596
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
466 |
* If \c rect is NULL, the whole surface will have a blended outline. |
3593
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
467 |
* |
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
468 |
* \return 0 on success, or -1 on error. |
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
469 |
*/ |
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
470 |
extern DECLSPEC int SDLCALL SDL_BlendRect |
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
471 |
(SDL_Surface * dst, const SDL_Rect * rect, |
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
472 |
int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a); |
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
473 |
extern DECLSPEC int SDLCALL SDL_BlendRects |
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
474 |
(SDL_Surface * dst, const SDL_Rect ** rects, int count, |
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
475 |
int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a); |
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
476 |
|
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
477 |
/** |
3407
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
478 |
* Performs a fast fill of the given rectangle with \c color. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
479 |
* |
3536
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
3434
diff
changeset
|
480 |
* If \c rect is NULL, the whole surface will be filled with \c color. |
3407
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
481 |
* |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
482 |
* The color should be a pixel of the format used by the surface, and |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
483 |
* can be generated by the SDL_MapRGB() function. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
484 |
* |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
485 |
* \return 0 on success, or -1 on error. |
2275
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
486 |
*/ |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
487 |
extern DECLSPEC int SDLCALL SDL_FillRect |
3536
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
3434
diff
changeset
|
488 |
(SDL_Surface * dst, const SDL_Rect * rect, Uint32 color); |
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
3434
diff
changeset
|
489 |
extern DECLSPEC int SDLCALL SDL_FillRects |
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
3434
diff
changeset
|
490 |
(SDL_Surface * dst, const SDL_Rect ** rects, int count, Uint32 color); |
2275
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
491 |
|
3341 | 492 |
/** |
3407
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
493 |
* Blends an RGBA value into the given rectangle. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
494 |
* |
3596
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
495 |
* If \c rect is NULL, the whole surface will be blended with the color. |
3407
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
496 |
* |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
497 |
* \return This function returns 0 on success, or -1 on error. |
2888
32e8bbba1e94
Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
2859
diff
changeset
|
498 |
*/ |
3593
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
499 |
extern DECLSPEC int SDLCALL SDL_BlendFillRect |
3536
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
3434
diff
changeset
|
500 |
(SDL_Surface * dst, const SDL_Rect * rect, |
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
3434
diff
changeset
|
501 |
int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a); |
3593
b931bcfd94a0
In the process of adding rectangle drawing
Sam Lantinga <slouken@libsdl.org>
parents:
3560
diff
changeset
|
502 |
extern DECLSPEC int SDLCALL SDL_BlendFillRects |
3536
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
3434
diff
changeset
|
503 |
(SDL_Surface * dst, const SDL_Rect ** rects, int count, |
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
3434
diff
changeset
|
504 |
int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a); |
2888
32e8bbba1e94
Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
2859
diff
changeset
|
505 |
|
3596
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
506 |
#if 0 |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
507 |
/** |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
508 |
* Draws the given circle with \c color. |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
509 |
* |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
510 |
* The color should be a pixel of the format used by the surface, and |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
511 |
* can be generated by the SDL_MapRGB() function. |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
512 |
* |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
513 |
* \return 0 on success, or -1 on error. |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
514 |
*/ |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
515 |
extern DECLSPEC int SDLCALL SDL_DrawCircle |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
516 |
(SDL_Surface * dst, int x, int y, int radius, Uint32 color); |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
517 |
|
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
518 |
/** |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
519 |
* Blends an RGBA value into the outline of the given circle. |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
520 |
* |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
521 |
* \return 0 on success, or -1 on error. |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
522 |
*/ |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
523 |
extern DECLSPEC int SDLCALL SDL_BlendCircle |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
524 |
(SDL_Surface * dst, int x, int y, int radius, |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
525 |
int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a); |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
526 |
|
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
527 |
/** |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
528 |
* Fills the given circle with \c color. |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
529 |
* |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
530 |
* The color should be a pixel of the format used by the surface, and |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
531 |
* can be generated by the SDL_MapRGB() function. |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
532 |
* |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
533 |
* \return 0 on success, or -1 on error. |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
534 |
*/ |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
535 |
extern DECLSPEC int SDLCALL SDL_FillCircle |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
536 |
(SDL_Surface * dst, int x, int y, int radius, Uint32 color); |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
537 |
|
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
538 |
/** |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
539 |
* Blends an RGBA value into the given circle. |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
540 |
* |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
541 |
* \return This function returns 0 on success, or -1 on error. |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
542 |
*/ |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
543 |
extern DECLSPEC int SDLCALL SDL_BlendFillCircle |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
544 |
(SDL_Surface * dst, int x, int y, int radius, |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
545 |
int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a); |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
546 |
|
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
547 |
/** |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
548 |
* Draws the given ellipse with \c color. |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
549 |
* |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
550 |
* The color should be a pixel of the format used by the surface, and |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
551 |
* can be generated by the SDL_MapRGB() function. |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
552 |
* |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
553 |
* \return 0 on success, or -1 on error. |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
554 |
*/ |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
555 |
extern DECLSPEC int SDLCALL SDL_DrawEllipse |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
556 |
(SDL_Surface * dst, int x, int y, int w, int h, Uint32 color); |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
557 |
|
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
558 |
/** |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
559 |
* Blends an RGBA value into the outline of the given ellipse. |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
560 |
* |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
561 |
* \return 0 on success, or -1 on error. |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
562 |
*/ |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
563 |
extern DECLSPEC int SDLCALL SDL_BlendEllipse |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
564 |
(SDL_Surface * dst, int x, int y, int w, int h, |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
565 |
int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a); |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
566 |
|
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
567 |
/** |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
568 |
* Fills the given ellipse with \c color. |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
569 |
* |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
570 |
* The color should be a pixel of the format used by the surface, and |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
571 |
* can be generated by the SDL_MapRGB() function. |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
572 |
* |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
573 |
* \return 0 on success, or -1 on error. |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
574 |
*/ |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
575 |
extern DECLSPEC int SDLCALL SDL_FillEllipse |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
576 |
(SDL_Surface * dst, int x, int y, int w, int h, Uint32 color); |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
577 |
|
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
578 |
/** |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
579 |
* Blends an RGBA value into the given ellipse. |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
580 |
* |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
581 |
* \return This function returns 0 on success, or -1 on error. |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
582 |
*/ |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
583 |
extern DECLSPEC int SDLCALL SDL_BlendFillEllipse |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
584 |
(SDL_Surface * dst, int x, int y, int w, int h, |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
585 |
int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a); |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
586 |
#endif // 0 |
f638ded38b8a
Added SDL_RenderClear() as a fast method of clearing the screen to the drawing color.
Sam Lantinga <slouken@libsdl.org>
parents:
3593
diff
changeset
|
587 |
|
3341 | 588 |
/** |
3407
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
589 |
* Performs a fast blit from the source surface to the destination surface. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
590 |
* |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
591 |
* This assumes that the source and destination rectangles are |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
592 |
* the same size. If either \c srcrect or \c dstrect are NULL, the entire |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
593 |
* surface (\c src or \c dst) is copied. The final blit rectangles are saved |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
594 |
* in \c srcrect and \c dstrect after all clipping is performed. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
595 |
* |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
596 |
* \return If the blit is successful, it returns 0, otherwise it returns -1. |
2275
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
597 |
* |
3407
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
598 |
* The blit function should not be called on a locked surface. |
2275
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
599 |
* |
3407
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
600 |
* The blit semantics for surfaces with and without alpha and colorkey |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
601 |
* are defined as follows: |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
602 |
* \verbatim |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
603 |
RGBA->RGB: |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
604 |
SDL_SRCALPHA set: |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
605 |
alpha-blend (using alpha-channel). |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
606 |
SDL_SRCCOLORKEY ignored. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
607 |
SDL_SRCALPHA not set: |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
608 |
copy RGB. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
609 |
if SDL_SRCCOLORKEY set, only copy the pixels matching the |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
610 |
RGB values of the source colour key, ignoring alpha in the |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
611 |
comparison. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
612 |
|
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
613 |
RGB->RGBA: |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
614 |
SDL_SRCALPHA set: |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
615 |
alpha-blend (using the source per-surface alpha value); |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
616 |
set destination alpha to opaque. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
617 |
SDL_SRCALPHA not set: |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
618 |
copy RGB, set destination alpha to source per-surface alpha value. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
619 |
both: |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
620 |
if SDL_SRCCOLORKEY set, only copy the pixels matching the |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
621 |
source colour key. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
622 |
|
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
623 |
RGBA->RGBA: |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
624 |
SDL_SRCALPHA set: |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
625 |
alpha-blend (using the source alpha channel) the RGB values; |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
626 |
leave destination alpha untouched. [Note: is this correct?] |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
627 |
SDL_SRCCOLORKEY ignored. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
628 |
SDL_SRCALPHA not set: |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
629 |
copy all of RGBA to the destination. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
630 |
if SDL_SRCCOLORKEY set, only copy the pixels matching the |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
631 |
RGB values of the source colour key, ignoring alpha in the |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
632 |
comparison. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
633 |
|
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
634 |
RGB->RGB: |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
635 |
SDL_SRCALPHA set: |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
636 |
alpha-blend (using the source per-surface alpha value). |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
637 |
SDL_SRCALPHA not set: |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
638 |
copy RGB. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
639 |
both: |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
640 |
if SDL_SRCCOLORKEY set, only copy the pixels matching the |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
641 |
source colour key. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
642 |
\endverbatim |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
643 |
* |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
644 |
* If either of the surfaces were in video memory, and the blit returns -2, |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
645 |
* the video memory was lost, so it should be reloaded with artwork and |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
646 |
* re-blitted: |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
647 |
* @code |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
648 |
* while ( SDL_BlitSurface(image, imgrect, screen, dstrect) == -2 ) { |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
649 |
* while ( SDL_LockSurface(image) < 0 ) |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
650 |
* Sleep(10); |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
651 |
* -- Write image pixels to image->pixels -- |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
652 |
* SDL_UnlockSurface(image); |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
653 |
* } |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
654 |
* @endcode |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
655 |
* |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
656 |
* This happens under DirectX 5.0 when the system switches away from your |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
657 |
* fullscreen application. The lock will also fail until you have access |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
658 |
* to the video memory again. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
659 |
* |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
660 |
* You should call SDL_BlitSurface() unless you know exactly how SDL |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
661 |
* blitting works internally and how to use the other blit functions. |
2275
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
662 |
*/ |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
663 |
#define SDL_BlitSurface SDL_UpperBlit |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
664 |
|
3407
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
665 |
/** |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
666 |
* This is the public blit function, SDL_BlitSurface(), and it performs |
3341 | 667 |
* rectangle validation and clipping before passing it to SDL_LowerBlit() |
668 |
*/ |
|
2275
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
669 |
extern DECLSPEC int SDLCALL SDL_UpperBlit |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
670 |
(SDL_Surface * src, SDL_Rect * srcrect, |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
671 |
SDL_Surface * dst, SDL_Rect * dstrect); |
3341 | 672 |
|
3407
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
673 |
/** |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
674 |
* This is a semi-private blit function and it performs low-level surface |
3341 | 675 |
* blitting only. |
676 |
*/ |
|
2275
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
677 |
extern DECLSPEC int SDLCALL SDL_LowerBlit |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
678 |
(SDL_Surface * src, SDL_Rect * srcrect, |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
679 |
SDL_Surface * dst, SDL_Rect * dstrect); |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
680 |
|
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
681 |
/** |
3407
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
682 |
* \brief Perform a fast, low quality, stretch blit between two surfaces of the |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
683 |
* same pixel format. |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
684 |
* |
d3baf5ac4e37
Partial fix for bug #859
Sam Lantinga <slouken@libsdl.org>
parents:
3341
diff
changeset
|
685 |
* \note This function uses a static buffer, and is not thread-safe. |
2275
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
686 |
*/ |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
687 |
extern DECLSPEC int SDLCALL SDL_SoftStretch(SDL_Surface * src, |
2828
7e5ff6cd05bf
Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents:
2807
diff
changeset
|
688 |
const SDL_Rect * srcrect, |
2275
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
689 |
SDL_Surface * dst, |
2828
7e5ff6cd05bf
Added very slow software scaling to the X11 renderer
Sam Lantinga <slouken@libsdl.org>
parents:
2807
diff
changeset
|
690 |
const SDL_Rect * dstrect); |
2275
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
691 |
|
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
692 |
/* Ends C function definitions when using C++ */ |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
693 |
#ifdef __cplusplus |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
694 |
/* *INDENT-OFF* */ |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
695 |
} |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
696 |
/* *INDENT-ON* */ |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
697 |
#endif |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
698 |
#include "close_code.h" |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
699 |
|
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
700 |
#endif /* _SDL_surface_h */ |
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
701 |
|
12ea0fdc0df2
Split out the SDL_rect and SDL_surface functions into their own headers.
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
702 |
/* vi: set ts=4 sw=4 expandtab: */ |