added freeing bitmap (potentially replaced after scaling up)

[rocksndiamonds.git] / src / libgame / system.c

diff --git a/src/libgame/system.c b/src/libgame/system.c
index 225738cc361ece7da2e18f944cd4082ba529ce6f..a782ed8df7b9e152aeb46baf8378e647a5dd7737 100644 (file)
--- a/src/libgame/system.c
+++ b/src/libgame/system.c
@@ -1267,6 +1267,7 @@ void ReCreateGameTileSizeBitmap(Bitmap **bitmaps)
 
   if (gfx.game_tile_size == gfx.standard_tile_size)
   {
+    // set game bitmap pointer to standard sized bitmap (already existing)
     bitmaps[IMG_BITMAP_PTR_GAME] = bitmaps[IMG_BITMAP_STANDARD];
 
     return;
@@ -1276,10 +1277,10 @@ void ReCreateGameTileSizeBitmap(Bitmap **bitmaps)
   int width  = bitmap->width  * gfx.game_tile_size / gfx.standard_tile_size;;
   int height = bitmap->height * gfx.game_tile_size / gfx.standard_tile_size;;
 
-  Bitmap *bitmap_new = ZoomBitmap(bitmap, width, height);
+  bitmaps[IMG_BITMAP_CUSTOM] = ZoomBitmap(bitmap, width, height);
 
-  bitmaps[IMG_BITMAP_CUSTOM] = bitmap_new;
-  bitmaps[IMG_BITMAP_PTR_GAME] = bitmap_new;
+  // set game bitmap pointer to custom sized bitmap (newly created)
+  bitmaps[IMG_BITMAP_PTR_GAME] = bitmaps[IMG_BITMAP_CUSTOM];
 }
 
 static void CreateScaledBitmaps(Bitmap **bitmaps, int zoom_factor,
@@ -1478,6 +1479,9 @@ static void CreateScaledBitmaps(Bitmap **bitmaps, int zoom_factor,
 
     // set original bitmap pointer to corresponding sized bitmap
     bitmaps[IMG_BITMAP_PTR_ORIGINAL] = bitmaps[IMG_BITMAP_32x32];
+
+    if (old_bitmap != tmp_bitmap_1)
+      FreeBitmap(old_bitmap);
   }
 
   UPDATE_BUSY_STATE();
@@ -1493,12 +1497,18 @@ void CreateBitmapWithSmallBitmaps(Bitmap **bitmaps, int zoom_factor,
 
 void CreateBitmapTextures(Bitmap **bitmaps)
 {
-  SDLCreateBitmapTextures(bitmaps[IMG_BITMAP_STANDARD]);
+  if (bitmaps[IMG_BITMAP_PTR_ORIGINAL] != NULL)
+    SDLCreateBitmapTextures(bitmaps[IMG_BITMAP_PTR_ORIGINAL]);
+  else
+    SDLCreateBitmapTextures(bitmaps[IMG_BITMAP_STANDARD]);
 }
 
 void FreeBitmapTextures(Bitmap **bitmaps)
 {
-  SDLFreeBitmapTextures(bitmaps[IMG_BITMAP_STANDARD]);
+  if (bitmaps[IMG_BITMAP_PTR_ORIGINAL] != NULL)
+    SDLFreeBitmapTextures(bitmaps[IMG_BITMAP_PTR_ORIGINAL]);
+  else
+    SDLFreeBitmapTextures(bitmaps[IMG_BITMAP_STANDARD]);
 }
 
 void ScaleBitmap(Bitmap **bitmaps, int zoom_factor)