/* functions from SGE library */
inline void sge_Line(SDL_Surface *, Sint16, Sint16, Sint16, Sint16, Uint32);
-#ifdef PLATFORM_WIN32
+/* #ifdef PLATFORM_WIN32 */
#define FULLSCREEN_BUG
-#endif
+/* #endif */
/* stuff needed to work around SDL/Windows fullscreen drawing bug */
static int fullscreen_width;
return success;
}
+inline void SDLCreateBitmapContent(Bitmap *new_bitmap,
+ int width, int height, int depth)
+{
+ SDL_Surface *surface_tmp, *surface_native;
+
+ if ((surface_tmp = SDL_CreateRGBSurface(SURFACE_FLAGS, width, height, depth,
+ 0, 0, 0, 0))
+ == NULL)
+ Error(ERR_EXIT, "SDL_CreateRGBSurface() failed: %s", SDL_GetError());
+
+ if ((surface_native = SDL_DisplayFormat(surface_tmp)) == NULL)
+ Error(ERR_EXIT, "SDL_DisplayFormat() failed: %s", SDL_GetError());
+
+ SDL_FreeSurface(surface_tmp);
+
+ new_bitmap->surface = surface_native;
+}
+
+inline void SDLFreeBitmapPointers(Bitmap *bitmap)
+{
+ if (bitmap->surface)
+ SDL_FreeSurface(bitmap->surface);
+ if (bitmap->surface_masked)
+ SDL_FreeSurface(bitmap->surface_masked);
+ bitmap->surface = NULL;
+ bitmap->surface_masked = NULL;
+}
+
inline void SDLCopyArea(Bitmap *src_bitmap, Bitmap *dst_bitmap,
int src_x, int src_y,
int width, int height,
}
#endif
-inline Pixel SDLGetPixel(Bitmap *dst_bitmap, int x, int y)
+inline Pixel SDLGetPixel(Bitmap *src_bitmap, int x, int y)
{
- SDL_Surface *surface = dst_bitmap->surface;
+ SDL_Surface *surface = src_bitmap->surface;
#ifdef FULLSCREEN_BUG
- if (dst_bitmap == backbuffer || dst_bitmap == window)
+ if (src_bitmap == backbuffer || src_bitmap == window)
{
x += video_xoffset;
y += video_yoffset;
}
void sge_PutPixelRGB(SDL_Surface *surface, Sint16 x, Sint16 y,
- Uint8 R, Uint8 G, Uint8 B)
+ Uint8 r, Uint8 g, Uint8 b)
{
- sge_PutPixel(surface, x, y, SDL_MapRGB(surface->format, R, G, B));
+ sge_PutPixel(surface, x, y, SDL_MapRGB(surface->format, r, g, b));
}
Sint32 sge_CalcYPitch(SDL_Surface *dest, Sint16 y)
sge_Line(Surface, x1, y1, x2, y2, SDL_MapRGB(Surface->format, R, G, B));
}
+inline void SDLPutPixel(Bitmap *dst_bitmap, int x, int y, Pixel pixel)
+{
+#ifdef FULLSCREEN_BUG
+ if (dst_bitmap == backbuffer || dst_bitmap == window)
+ {
+ x += video_xoffset;
+ y += video_yoffset;
+ }
+#endif
+
+ sge_PutPixel(dst_bitmap->surface, x, y, pixel);
+}
+
+
+/*
+ -----------------------------------------------------------------------------
+ quick (no, it's slow) and dirty hack to "invert" rectangle inside SDL surface
+ -----------------------------------------------------------------------------
+*/
+
+inline void SDLInvertArea(Bitmap *bitmap, int src_x, int src_y,
+ int width, int height, Uint32 color)
+{
+ int x, y;
+
+ for (y=src_y; y < src_y + height; y++)
+ {
+ for (x=src_x; x < src_x + width; x++)
+ {
+ Uint32 pixel = SDLGetPixel(bitmap, x, y);
+
+ SDLPutPixel(bitmap, x, y, pixel == BLACK_PIXEL ? color : BLACK_PIXEL);
+ }
+ }
+}
+
+inline void SDLCopyInverseMasked(Bitmap *src_bitmap, Bitmap *dst_bitmap,
+ int src_x, int src_y, int width, int height,
+ int dst_x, int dst_y)
+{
+ int x, y;
+
+ for (y=0; y < height; y++)
+ {
+ for (x=0; x < width; x++)
+ {
+ Uint32 pixel = SDLGetPixel(src_bitmap, src_x + x, src_y + y);
+
+ if (pixel != BLACK_PIXEL)
+ SDLPutPixel(dst_bitmap, dst_x + x, dst_y + y, BLACK_PIXEL);
+ }
+ }
+}
+
/* ========================================================================= */
/* The following functions were taken from the SDL_gfx library version 2.0.3 */
}
+/* ------------------------------------------------------------------------- */
+/* custom cursor fuctions */
+/* ------------------------------------------------------------------------- */
+
+static SDL_Cursor *create_cursor(struct MouseCursorInfo *cursor_info)
+{
+ return SDL_CreateCursor(cursor_info->data, cursor_info->mask,
+ cursor_info->width, cursor_info->height,
+ cursor_info->hot_x, cursor_info->hot_y);
+}
+
+void SDLSetMouseCursor(struct MouseCursorInfo *cursor_info)
+{
+ static struct MouseCursorInfo *last_cursor_info = NULL;
+ static SDL_Cursor *cursor_default = NULL;
+ static SDL_Cursor *cursor_current = NULL;
+
+ if (cursor_default == NULL)
+ cursor_default = SDL_GetCursor();
+
+ if (cursor_info != NULL && cursor_info != last_cursor_info)
+ {
+ cursor_current = create_cursor(cursor_info);
+ last_cursor_info = cursor_info;
+ }
+
+ SDL_SetCursor(cursor_info ? cursor_current : cursor_default);
+}
+
+
/* ========================================================================= */
/* audio functions */
/* ========================================================================= */
}
else if (event->type == EVENT_MOTIONNOTIFY)
{
- if (((ButtonEvent *)event)->x > video_xoffset)
- ((ButtonEvent *)event)->x -= video_xoffset;
+ if (((MotionEvent *)event)->x > video_xoffset)
+ ((MotionEvent *)event)->x -= video_xoffset;
else
- ((ButtonEvent *)event)->x = 0;
- if (((ButtonEvent *)event)->y > video_yoffset)
- ((ButtonEvent *)event)->y -= video_yoffset;
+ ((MotionEvent *)event)->x = 0;
+ if (((MotionEvent *)event)->y > video_yoffset)
+ ((MotionEvent *)event)->y -= video_yoffset;
else
- ((ButtonEvent *)event)->y = 0;
+ ((MotionEvent *)event)->y = 0;
}
#endif
}