pandory500/SDL-mirror
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Making the API simpler, scaling is always defined as linear interpolation and should be supported as much as possible on all renderers.

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--HG--
extra : rebase_source : 4edac7fd162a2eb37a50159b958db37a03e944a5
This commit is contained in:
Sam Lantinga 2011-01-31 22:44:43 -08:00
parent 9c12618379
commit df1f384c5b
22 changed files with 9 additions and 544 deletions
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58
src/video/SDL_surface.c
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@ -518,64 +518,6 @@ SDL_GetSurfaceBlendMode(SDL_Surface * surface, SDL_BlendMode *blendMode)
return 0;
}
int
SDL_SetSurfaceScaleMode(SDL_Surface * surface, SDL_ScaleMode scaleMode)
{
int flags, status;
if (!surface) {
return -1;
}
status = 0;
flags = surface->map->info.flags;
surface->map->info.flags &= ~(SDL_COPY_NEAREST);
switch (scaleMode) {
case SDL_SCALEMODE_NONE:
break;
case SDL_SCALEMODE_FAST:
surface->map->info.flags |= SDL_COPY_NEAREST;
break;
case SDL_SCALEMODE_SLOW:
case SDL_SCALEMODE_BEST:
SDL_Unsupported();
surface->map->info.flags |= SDL_COPY_NEAREST;
status = -1;
break;
default:
SDL_Unsupported();
status = -1;
break;
}
if (surface->map->info.flags != flags) {
SDL_InvalidateMap(surface->map);
}
return status;
}
int
SDL_GetSurfaceScaleMode(SDL_Surface * surface, SDL_ScaleMode *scaleMode)
{
if (!surface) {
return -1;
}
if (!scaleMode) {
return 0;
}
switch (surface->map->info.flags & SDL_COPY_NEAREST) {
case SDL_COPY_NEAREST:
*scaleMode = SDL_SCALEMODE_FAST;
break;
default:
*scaleMode = SDL_SCALEMODE_NONE;
break;
}
return 0;
}
SDL_bool
SDL_SetClipRect(SDL_Surface * surface, const SDL_Rect * rect)
{