+ sysCopyArea(src_bitmap, dst_bitmap,
+ src_x, src_y, width, height, dst_x, dst_y, BLIT_OPAQUE);
+}
+
+void BlitBitmapTiled(Bitmap *src_bitmap, Bitmap *dst_bitmap,
+ int src_x, int src_y, int src_width, int src_height,
+ int dst_x, int dst_y, int dst_width, int dst_height)
+{
+ int src_xsize = (src_width == 0 ? src_bitmap->width : src_width);
+ int src_ysize = (src_height == 0 ? src_bitmap->height : src_height);
+ int dst_xsize = dst_width;
+ int dst_ysize = dst_height;
+ int src_xsteps = (dst_xsize + src_xsize - 1) / src_xsize;
+ int src_ysteps = (dst_ysize + src_ysize - 1) / src_ysize;
+ int x, y;
+
+ for (y = 0; y < src_ysteps; y++)
+ {
+ for (x = 0; x < src_xsteps; x++)
+ {
+ int draw_x = dst_x + x * src_xsize;
+ int draw_y = dst_y + y * src_ysize;
+ int draw_xsize = MIN(src_xsize, dst_xsize - x * src_xsize);
+ int draw_ysize = MIN(src_ysize, dst_ysize - y * src_ysize);
+
+ BlitBitmap(src_bitmap, dst_bitmap, src_x, src_y, draw_xsize, draw_ysize,
+ draw_x, draw_y);
+ }
+ }
+}
+
+void FadeRectangle(int x, int y, int width, int height,
+ int fade_mode, int fade_delay, int post_delay,
+ void (*draw_border_function)(void))
+{
+ /* (use destination bitmap "backbuffer" -- "bitmap_cross" may be undefined) */
+ if (!InClippedRectangle(backbuffer, &x, &y, &width, &height, TRUE))
+ return;
+
+ SDLFadeRectangle(x, y, width, height,
+ fade_mode, fade_delay, post_delay, draw_border_function);
+}
+
+void FillRectangle(Bitmap *bitmap, int x, int y, int width, int height,
+ Pixel color)
+{
+ if (DrawingDeactivated(x, y, width, height))
+ return;
+
+ if (!InClippedRectangle(bitmap, &x, &y, &width, &height, TRUE))
+ return;
+
+ sysFillRectangle(bitmap, x, y, width, height, color);
+}
+
+void ClearRectangle(Bitmap *bitmap, int x, int y, int width, int height)
+{
+ FillRectangle(bitmap, x, y, width, height, BLACK_PIXEL);
+}
+
+void ClearRectangleOnBackground(Bitmap *bitmap, int x, int y,
+ int width, int height)
+{
+ if (DrawingOnBackground(x, y))
+ BlitBitmap(gfx.background_bitmap, bitmap, x, y, width, height, x, y);
+ else
+ ClearRectangle(bitmap, x, y, width, height);
+}
+
+void BlitBitmapMasked(Bitmap *src_bitmap, Bitmap *dst_bitmap,
+ int src_x, int src_y, int width, int height,
+ int dst_x, int dst_y)
+{
+ if (DrawingDeactivated(dst_x, dst_y, width, height))
+ return;
+
+ sysCopyArea(src_bitmap, dst_bitmap, src_x, src_y, width, height,
+ dst_x, dst_y, BLIT_MASKED);
+}
+
+void BlitBitmapOnBackground(Bitmap *src_bitmap, Bitmap *dst_bitmap,
+ int src_x, int src_y, int width, int height,
+ int dst_x, int dst_y)
+{
+ if (DrawingOnBackground(dst_x, dst_y))
+ {
+ /* draw background */
+ BlitBitmap(gfx.background_bitmap, dst_bitmap, dst_x, dst_y, width, height,
+ dst_x, dst_y);
+
+ /* draw foreground */
+ BlitBitmapMasked(src_bitmap, dst_bitmap, src_x, src_y, width, height,
+ dst_x, dst_y);
+ }
+ else
+ BlitBitmap(src_bitmap, dst_bitmap, src_x, src_y, width, height,
+ dst_x, dst_y);
+}
+
+void BlitTexture(Bitmap *bitmap,
+ int src_x, int src_y, int width, int height,
+ int dst_x, int dst_y)
+{
+ if (bitmap == NULL)
+ return;
+
+ SDLBlitTexture(bitmap, src_x, src_y, width, height, dst_x, dst_y,
+ BLIT_OPAQUE);
+}
+
+void BlitTextureMasked(Bitmap *bitmap,
+ int src_x, int src_y, int width, int height,
+ int dst_x, int dst_y)
+{
+ if (bitmap == NULL)
+ return;
+
+ SDLBlitTexture(bitmap, src_x, src_y, width, height, dst_x, dst_y,
+ BLIT_MASKED);
+}
+
+void BlitToScreen(Bitmap *bitmap,
+ int src_x, int src_y, int width, int height,
+ int dst_x, int dst_y)
+{
+ if (bitmap == NULL)
+ return;
+
+ if (video.screen_rendering_mode == SPECIAL_RENDERING_BITMAP)
+ BlitBitmap(bitmap, gfx.final_screen_bitmap, src_x, src_y,
+ width, height, dst_x, dst_y);
+ else
+ BlitTexture(bitmap, src_x, src_y, width, height, dst_x, dst_y);
+}
+
+void BlitToScreenMasked(Bitmap *bitmap,
+ int src_x, int src_y, int width, int height,
+ int dst_x, int dst_y)
+{
+ if (bitmap == NULL)
+ return;
+
+ if (video.screen_rendering_mode == SPECIAL_RENDERING_BITMAP)
+ BlitBitmapMasked(bitmap, gfx.final_screen_bitmap, src_x, src_y,
+ width, height, dst_x, dst_y);
+ else
+ BlitTextureMasked(bitmap, src_x, src_y, width, height, dst_x, dst_y);
+}
+
+void DrawSimpleBlackLine(Bitmap *bitmap, int from_x, int from_y,
+ int to_x, int to_y)
+{
+ SDLDrawSimpleLine(bitmap, from_x, from_y, to_x, to_y, BLACK_PIXEL);
+}
+
+void DrawSimpleWhiteLine(Bitmap *bitmap, int from_x, int from_y,
+ int to_x, int to_y)
+{
+ SDLDrawSimpleLine(bitmap, from_x, from_y, to_x, to_y, WHITE_PIXEL);
+}
+
+static void DrawLine(Bitmap *bitmap, int from_x, int from_y,
+ int to_x, int to_y, Pixel pixel, int line_width)
+{
+ int x, y;
+
+ if (program.headless)
+ return;
+
+ for (x = 0; x < line_width; x++)
+ {
+ for (y = 0; y < line_width; y++)
+ {
+ int dx = x - line_width / 2;
+ int dy = y - line_width / 2;
+
+ if ((x == 0 && y == 0) ||
+ (x == 0 && y == line_width - 1) ||
+ (x == line_width - 1 && y == 0) ||
+ (x == line_width - 1 && y == line_width - 1))
+ continue;
+
+ SDLDrawLine(bitmap,
+ from_x + dx, from_y + dy, to_x + dx, to_y + dy, pixel);
+ }
+ }
+}
+
+void DrawLines(Bitmap *bitmap, struct XY *points, int num_points, Pixel pixel)
+{
+ int line_width = 4;
+ int i;
+
+ for (i = 0; i < num_points - 1; i++)
+ DrawLine(bitmap, points[i].x, points[i].y,
+ points[i + 1].x, points[i + 1].y, pixel, line_width);
+
+ /*
+ SDLDrawLines(bitmap->surface, points, num_points, pixel);
+ */
+}
+
+Pixel GetPixel(Bitmap *bitmap, int x, int y)
+{
+ if (program.headless)
+ return BLACK_PIXEL;
+
+ if (x < 0 || x >= bitmap->width ||
+ y < 0 || y >= bitmap->height)
+ return BLACK_PIXEL;
+
+ return SDLGetPixel(bitmap, x, y);
+}
+
+Pixel GetPixelFromRGB(Bitmap *bitmap, unsigned int color_r,
+ unsigned int color_g, unsigned int color_b)
+{
+ if (program.headless)
+ return BLACK_PIXEL;
+
+ return SDL_MapRGB(bitmap->surface->format, color_r, color_g, color_b);
+}
+
+Pixel GetPixelFromRGBcompact(Bitmap *bitmap, unsigned int color)
+{
+ unsigned int color_r = (color >> 16) & 0xff;
+ unsigned int color_g = (color >> 8) & 0xff;
+ unsigned int color_b = (color >> 0) & 0xff;
+
+ return GetPixelFromRGB(bitmap, color_r, color_g, color_b);
+}
+
+void KeyboardAutoRepeatOn(void)
+{
+#if defined(TARGET_SDL2)
+ keyrepeat_status = TRUE;
+#else
+ SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY / 2,
+ SDL_DEFAULT_REPEAT_INTERVAL / 2);
+ SDL_EnableUNICODE(1);
+#endif
+}
+
+void KeyboardAutoRepeatOff(void)
+{
+#if defined(TARGET_SDL2)
+ keyrepeat_status = FALSE;
+#else
+ SDL_EnableKeyRepeat(0, SDL_DEFAULT_REPEAT_INTERVAL);
+ SDL_EnableUNICODE(0);
+#endif
+}
+
+boolean SetVideoMode(boolean fullscreen)
+{
+ return SDLSetVideoMode(fullscreen);
+}
+
+void SetVideoFrameDelay(unsigned int frame_delay_value)
+{
+ video.frame_delay_value = frame_delay_value;
+}
+
+unsigned int GetVideoFrameDelay(void)
+{
+ return video.frame_delay_value;
+}
+
+boolean ChangeVideoModeIfNeeded(boolean fullscreen)
+{
+ if ((fullscreen && !video.fullscreen_enabled && video.fullscreen_available)||
+ (!fullscreen && video.fullscreen_enabled))
+ fullscreen = SetVideoMode(fullscreen);
+