pandory500/SDL-mirror
2
0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

You can specify the format for pixel data in SDL_RenderReadPixels() and SDL_RenderWritePixels()

Browse source 
This code still doesn't quite work yet. :)

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%404174
This commit is contained in:
Sam Lantinga 2009-11-16 07:13:07 +00:00
parent ea4fb3a1a4
commit 0f620b7fe4
7 changed files with 82 additions and 50 deletions
Download patch file Download diff file Expand all files Collapse all files

9
include/SDL_video.h
View file

@ -1173,8 +1173,9 @@ extern DECLSPEC int SDLCALL SDL_RenderCopy(SDL_TextureID textureID,
*
* \param rect A pointer to the rectangle to read, or NULL for the entire
* render target.
* \param pixels A pointer to be filled in with the pixel data in the rendering
* target format.
* \param format The desired format of the pixel data, or 0 to use the format
* of the rendering target
* \param pixels A pointer to be filled in with the pixel data
* \param pitch The pitch of the pixels parameter.
*
* \return 0 on success, or -1 if pixel reading is not supported.
@ -1182,6 +1183,7 @@ extern DECLSPEC int SDLCALL SDL_RenderCopy(SDL_TextureID textureID,
* \warning This is a very slow operation, and should not be used frequently.
*/
extern DECLSPEC int SDLCALL SDL_RenderReadPixels(const SDL_Rect * rect,
Uint32 format,
void *pixels, int pitch);
/**
@ -1189,6 +1191,8 @@ extern DECLSPEC int SDLCALL SDL_RenderReadPixels(const SDL_Rect * rect,
*
* \param rect A pointer to the rectangle to write, or NULL for the entire
* render target.
* \param format The format of the pixel data, or 0 to use the format
* of the rendering target
* \param pixels A pointer to the pixel data to write.
* \param pitch The pitch of the pixels parameter.
*
@ -1197,6 +1201,7 @@ extern DECLSPEC int SDLCALL SDL_RenderReadPixels(const SDL_Rect * rect,
* \warning This is a very slow operation, and should not be used frequently.
*/
extern DECLSPEC int SDLCALL SDL_RenderWritePixels(const SDL_Rect * rect,
Uint32 format,
const void *pixels,
int pitch);