From: Holger Schemel <info@artsoft.org>
Date: Tue, 28 Nov 2023 15:30:41 +0000 (+0100)
Subject: added wrapper function to copy SDL surfaces
X-Git-Tag: 4.3.8.0~32
X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=commitdiff_plain;h=263833763d867d5c2a329c98416adac0aadc0b8e

added wrapper function to copy SDL surfaces
---

diff --git a/src/libgame/sdl.c b/src/libgame/sdl.c
index 64d28bdb..06805765 100644
--- a/src/libgame/sdl.c
+++ b/src/libgame/sdl.c
@@ -1012,6 +1012,25 @@ void SDLFreeBitmapPointers(Bitmap *bitmap)
   bitmap->texture_masked = NULL;
 }
 
+void SDLBlitSurface(SDL_Surface *src_surface, SDL_Surface *dst_surface,
+		    int src_x, int src_y, int width, int height,
+		    int dst_x, int dst_y)
+{
+  SDL_Rect src_rect, dst_rect;
+
+  src_rect.x = src_x;
+  src_rect.y = src_y;
+  src_rect.w = width;
+  src_rect.h = height;
+
+  dst_rect.x = dst_x;
+  dst_rect.y = dst_y;
+  dst_rect.w = width;
+  dst_rect.h = height;
+
+  SDL_BlitSurface(src_surface, &src_rect, dst_surface, &dst_rect);
+}
+
 void SDLCopyArea(Bitmap *src_bitmap, Bitmap *dst_bitmap,
 		 int src_x, int src_y, int width, int height,
 		 int dst_x, int dst_y, int mask_mode)
diff --git a/src/libgame/sdl.h b/src/libgame/sdl.h
index 31de93da..05f99982 100644
--- a/src/libgame/sdl.h
+++ b/src/libgame/sdl.h
@@ -422,6 +422,7 @@ void SDLInitVideoBuffer(boolean);
 boolean SDLSetVideoMode(boolean);
 void SDLCreateBitmapContent(Bitmap *, int, int, int);
 void SDLFreeBitmapPointers(Bitmap *);
+void SDLBlitSurface(SDL_Surface *, SDL_Surface *, int, int, int, int, int, int);
 void SDLCopyArea(Bitmap *, Bitmap *, int, int, int, int, int, int, int);
 void SDLBlitTexture(Bitmap *, int, int, int, int, int, int, int);
 void SDLFillRectangle(Bitmap *, int, int, int, int, Uint32);