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Add ClearSurface()

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This is a function that does what it says - it clears the given surface.
This just means doing a FillRect(), but it's better to use this function
because it conveys intent better.
This commit is contained in:
Misa 2021-02-25 15:26:12 -08:00 committed by Ethan Lee
parent 994f47e7d8
commit 163b85d206
2 changed files with 7 additions and 0 deletions
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5
desktop_version/src/GraphicsUtil.cpp
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@ -390,6 +390,11 @@ void FillRect( SDL_Surface* _surface, SDL_Rect rect, int rgba )
SDL_FillRect(_surface, &rect, rgba); SDL_FillRect(_surface, &rect, rgba);
} }
void ClearSurface(SDL_Surface* surface)
{
SDL_FillRect(surface, NULL, 0x00000000);
}
void ScrollSurface( SDL_Surface* _src, int _pX, int _pY ) void ScrollSurface( SDL_Surface* _src, int _pX, int _pY )
{ {
SDL_Surface* part1 = NULL; SDL_Surface* part1 = NULL;

2
desktop_version/src/GraphicsUtil.h
View file

@ -35,6 +35,8 @@ void FillRect( SDL_Surface* surface, SDL_Rect& rect, const int r, int g, int b )
void FillRect( SDL_Surface* surface, SDL_Rect rect, int rgba ); void FillRect( SDL_Surface* surface, SDL_Rect rect, int rgba );
void ClearSurface(SDL_Surface* surface);
void ScrollSurface(SDL_Surface* _src, int pX, int py); void ScrollSurface(SDL_Surface* _src, int pX, int py);
SDL_Surface * FlipSurfaceVerticle(SDL_Surface* _src); SDL_Surface * FlipSurfaceVerticle(SDL_Surface* _src);