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Simplified SDL_Surface

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SDL_Surface has been simplified and internal details are no longer in the public structure.

The `format` member of SDL_Surface is now an enumerated pixel format value. You can get the full details of the pixel format by calling `SDL_GetPixelFormatDetails(surface->format)`. You can get the palette associated with the surface by calling SDL_GetSurfacePalette(). You can get the clip rectangle by calling SDL_GetSurfaceClipRect().

SDL_PixelFormat has been renamed SDL_PixelFormatDetails and just describes the pixel format, it does not include a palette for indexed pixel types.

SDL_PixelFormatEnum has been renamed SDL_PixelFormat and is used instead of Uint32 for API functions that refer to pixel format by enumerated value.

SDL_MapRGB(), SDL_MapRGBA(), SDL_GetRGB(), and SDL_GetRGBA() take an optional palette parameter for indexed color lookups.
This commit is contained in:
Sam Lantinga 2024-07-08 14:59:18 -07:00
parent 40ed098ce8
commit 2ba76dbe80
123 changed files with 1865 additions and 1838 deletions
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8
test/testcustomcursor.c
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@ -115,15 +115,15 @@ init_color_cursor(const char *file)
SDL_Cursor *cursor = NULL;
SDL_Surface *surface = SDL_LoadBMP(file);
if (surface) {
if (surface->format->palette) {
const Uint8 bpp = surface->format->bits_per_pixel;
if (SDL_GetSurfacePalette(surface)) {
const Uint8 bpp = SDL_BITSPERPIXEL(surface->format);
const Uint8 mask = (1 << bpp) - 1;
if (SDL_PIXELORDER(surface->format->format) == SDL_BITMAPORDER_4321)
if (SDL_PIXELORDER(surface->format) == SDL_BITMAPORDER_4321)
SDL_SetSurfaceColorKey(surface, 1, (*(Uint8 *)surface->pixels) & mask);
else
SDL_SetSurfaceColorKey(surface, 1, ((*(Uint8 *)surface->pixels) >> (8 - bpp)) & mask);
} else {
switch (surface->format->bits_per_pixel) {
switch (SDL_BITSPERPIXEL(surface->format)) {
case 15:
SDL_SetSurfaceColorKey(surface, 1, (*(Uint16 *)surface->pixels) & 0x00007FFF);
break;