+ if (surface) {
+ SDL_BlitSurface(surface, &srcRect, dest, &destRect);
+ } else {
+ destRect.w = Width();
+ destRect.h = Height();
+ bool red(true);
+ while (destRect.w > 1 && destRect.h > 1) {
+ SDL_FillRect(dest, &destRect, SDL_MapRGB(dest->format, red ? 0xFF : 0, 0, 0));
+ ++destRect.x;
+ ++destRect.y;
+ destRect.w -= 2;
+ destRect.h -= 2;
+ red = !red;
+ }
+ }
+}
+
+
+void Sprite::CreateTypeDescription() {
+ Sprite s;
+
+ int imageId(TypeDescription::GetTypeId("Image"));
+ int vectorId(TypeDescription::GetTypeId("Vector"));
+
+ TypeDescription &td(TypeDescription::CreateOrGet("Sprite"));
+ td.SetDescription(
+ "An image + a size and offset.\n"
+ "The resulting section or a section offset by a multiple of its size can be drawn.");
+ td.SetConstructor(&Construct);
+ td.SetSize(sizeof(Sprite));
+
+ td.AddField("image", FieldDescription(((char *)&s.surface) - ((char *)&s), imageId).SetReferenced().SetDescription("the image to cut this sprite from"));
+ td.AddField("size", FieldDescription(((char *)&s.size) - ((char *)&s), vectorId).SetDescription("dimensions of the sprite"));
+ td.AddField("offset", FieldDescription(((char *)&s.offset) - ((char *)&s), vectorId).SetDescription("offset into the image, top-left corner of the sprite's (0,0) clip"));
+}
+
+void Sprite::Construct(void *data) {
+ new (data) Sprite;