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,
}
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)
}
+/*
+ -----------------------------------------------------------------------------
+ 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)
+{
+ SDL_Surface *surface = bitmap->surface;
+ 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);
+
+ sge_PutPixel(surface, x, y, pixel == BLACK_PIXEL ? color : BLACK_PIXEL);
+ }
+ }
+}
+
+
/* ========================================================================= */
/* The following functions were taken from the SDL_gfx library version 2.0.3 */
/* (Rotozoomer) by Andreas Schiffler */
}
+/* ------------------------------------------------------------------------- */
+/* custom cursor fuctions */
+/* ------------------------------------------------------------------------- */
+
+static SDL_Cursor *create_cursor(const char **image)
+{
+ int i, row, col;
+ Uint8 data[4*32];
+ Uint8 mask[4*32];
+ int hot_x, hot_y;
+
+ i = -1;
+ for (row=0; row<32; ++row)
+ {
+ for (col=0; col<32; ++col)
+ {
+ if (col % 8)
+ {
+ data[i] <<= 1;
+ mask[i] <<= 1;
+ }
+ else
+ {
+ i++;
+ data[i] = mask[i] = 0;
+ }
+
+ switch (image[4+row][col])
+ {
+ case 'X':
+ data[i] |= 0x01;
+ mask[i] |= 0x01;
+ break;
+ case '.':
+ mask[i] |= 0x01;
+ break;
+ case ' ':
+ break;
+ }
+ }
+ }
+
+ sscanf(image[4+row], "%d,%d", &hot_x, &hot_y);
+
+ return SDL_CreateCursor(data, mask, 32, 32, hot_x, hot_y);
+}
+
+void SDLSetMouseCursor(const char **cursor_image)
+{
+ static const char **last_cursor_image = NULL;
+ static SDL_Cursor *cursor_default = NULL;
+ static SDL_Cursor *cursor_current = NULL;
+
+ if (cursor_default == NULL)
+ cursor_default = SDL_GetCursor();
+
+ if (cursor_image != NULL && cursor_image != last_cursor_image)
+ {
+ cursor_current = create_cursor(cursor_image);
+ last_cursor_image = cursor_image;
+ }
+
+ SDL_SetCursor(cursor_image ? cursor_current : cursor_default);
+}
+
+
/* ========================================================================= */
/* audio functions */
/* ========================================================================= */