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cleanup of function for zooming bitmap (with masked and opaque surfaces)
author
Holger Schemel
<info@artsoft.org>
Wed, 29 Jun 2016 19:04:38 +0000
(21:04 +0200)
committer
Holger Schemel
<info@artsoft.org>
Wed, 29 Jun 2016 19:04:38 +0000
(21:04 +0200)
src/libgame/sdl.c
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diff --git
a/src/libgame/sdl.c
b/src/libgame/sdl.c
index abb200fb97d5bb04366b835f42e43cc797b63a04..eaab2530d000ae1e2d7d287ad805f9ea3a1592d9 100644
(file)
--- a/
src/libgame/sdl.c
+++ b/
src/libgame/sdl.c
@@
-2202,7
+2202,8
@@
static SDL_Surface *SDLGetOpaqueSurface(SDL_Surface *surface)
Bitmap *SDLZoomBitmap(Bitmap *src_bitmap, int dst_width, int dst_height)
{
Bitmap *dst_bitmap = CreateBitmapStruct();
Bitmap *SDLZoomBitmap(Bitmap *src_bitmap, int dst_width, int dst_height)
{
Bitmap *dst_bitmap = CreateBitmapStruct();
- SDL_Surface **dst_surface = &dst_bitmap->surface_masked;
+ SDL_Surface *src_surface = src_bitmap->surface_masked;
+ SDL_Surface *dst_surface;
dst_width = MAX(1, dst_width); /* prevent zero bitmap width */
dst_height = MAX(1, dst_height); /* prevent zero bitmap height */
dst_width = MAX(1, dst_width); /* prevent zero bitmap width */
dst_height = MAX(1, dst_height); /* prevent zero bitmap height */
@@
-2211,18
+2212,21
@@
Bitmap *SDLZoomBitmap(Bitmap *src_bitmap, int dst_width, int dst_height)
dst_bitmap->height = dst_height;
/* create zoomed temporary surface from source surface */
dst_bitmap->height = dst_height;
/* create zoomed temporary surface from source surface */
-
*dst_surface = zoomSurface(src_bitmap->surface_masked
, dst_width, dst_height);
+
dst_surface = zoomSurface(src_surface
, dst_width, dst_height);
/* create native format destination surface from zoomed temporary surface */
/* create native format destination surface from zoomed temporary surface */
- SDLSetNativeSurface(dst_surface);
+ SDLSetNativeSurface(
&
dst_surface);
/* set color key for zoomed surface from source surface, if defined */
/* set color key for zoomed surface from source surface, if defined */
- if (SDLHasColorKey(src_
bitmap->surface_masked
))
- SDL_SetColorKey(
*
dst_surface, SET_TRANSPARENT_PIXEL,
- SDLGetColorKey(src_
bitmap->surface_masked
));
+ if (SDLHasColorKey(src_
surface
))
+ SDL_SetColorKey(dst_surface, SET_TRANSPARENT_PIXEL,
+ SDLGetColorKey(src_
surface
));
/* create native non-transparent surface for opaque blitting */
/* create native non-transparent surface for opaque blitting */
- dst_bitmap->surface = SDLGetOpaqueSurface(dst_bitmap->surface_masked);
+ dst_bitmap->surface = SDLGetOpaqueSurface(dst_surface);
+
+ /* set native transparent surface for masked blitting */
+ dst_bitmap->surface_masked = dst_surface;
return dst_bitmap;
}
return dst_bitmap;
}