added support for setting alpha value for global animations

[rocksndiamonds.git] / src / libgame / sdl.h

diff --git a/src/libgame/sdl.h b/src/libgame/sdl.h
index a45e68ec89ecd1d0898471943e14c55ae16275f1..31de93da084907c5cb7871d98d74433822ee35bf 100644 (file)
--- a/src/libgame/sdl.h
+++ b/src/libgame/sdl.h
@@ -75,6 +75,10 @@ struct SDLSurfaceInfo
   char *source_filename;
 
   int width, height;
+
+  int alpha[2][2];             // [surface|texture][opaque|masked]
+  int alpha_next_blit;
+
   SDL_Surface *surface;
   SDL_Surface *surface_masked;
   SDL_Texture *texture;
@@ -428,7 +432,6 @@ void SDLDrawLine(Bitmap *, int, int, int, int, Uint32);
 Pixel SDLGetPixel(Bitmap *, int, int);
 void SDLPutPixel(Bitmap *, int, int, Pixel);
 
-void SDLInvertArea(Bitmap *, int, int, int, int, Uint32);
 void SDLCopyInverseMasked(Bitmap *, Bitmap *, int, int, int, int, int, int);
 
 Bitmap *SDLZoomBitmap(Bitmap *, int, int);