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 4fec8030082d1927c3b7192dd03a7e5a0a789ed3..31de93da084907c5cb7871d98d74433822ee35bf 100644 (file)
--- a/src/libgame/sdl.h
+++ b/src/libgame/sdl.h
@@ -17,7 +17,7 @@
 #include <SDL_mixer.h>
 #include <SDL_net.h>
 #include <SDL_thread.h>
-#if defined(PLATFORM_WIN32)
+#if defined(PLATFORM_WINDOWS)
 #include <SDL_syswm.h>
 #endif
 
@@ -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;
@@ -391,6 +395,7 @@ typedef struct UserEventInfo        UserEvent;
 
 // SDL function definitions
 
+void SDLSetAlpha(SDL_Surface *, boolean, int);
 const char *SDLGetRendererName(void);
 boolean SDLSetNativeSurface(SDL_Surface **);
 SDL_Surface *SDLGetNativeSurface(SDL_Surface *);
@@ -427,7 +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);