static SDL_Surface *fbsurf;
static Rect screen_rect = {0, 0, 1024, 768};
+static Rect clipping_rect;
+
static int color_depth = 32; // bits per pixel
static Pixmap *pixmap;
pixmap->height = screen_rect.height;
pixmap->pixels = (unsigned char*)fbsurf->pixels;
+ set_clipping_rect(screen_rect);
+
return true;
}
return color_depth;
}
+/*void set_clipping_rect(const Rect &rect)
+{
+ clipping_rect = rect_intersection(rect, screen_rect);
+
+ SDL_Rect sdl_rect;
+ sdl_rect.x = clipping_rect.x;
+ sdl_rect.y = clipping_rect.y;
+ sdl_rect.w = clipping_rect.width;
+ sdl_rect.h = clipping_rect.height;
+
+ SDL_SetClipRect(fbsurf, &sdl_rect);
+}
+
+const Rect &get_clipping_rect()
+{
+ return clipping_rect;
+}
+
void clear_screen(int r, int g, int b)
{
fill_rect(screen_rect, r, g, b);
sdl_rect.h = rect.height;
SDL_FillRect(fbsurf, &sdl_rect, color);
-}
+}*/
void set_cursor_visibility(bool visible)
{
}
-void blit(unsigned char *src_img, const Rect &src_rect, unsigned char* dest_img,
- const Rect &dest_rect, int dest_x, int dest_y)
-{
- int width = src_rect.width;
- int height = src_rect.height;
-
- int xoffs = dest_x - dest_rect.x;
- if(xoffs < 0) {
- dest_x = dest_rect.x;
- width += xoffs;
- }
-
- int yoffs = dest_y - dest_rect.y;
- if(yoffs < 0) {
- dest_y = dest_rect.y;
- height += yoffs;
- }
-
- int xend = dest_x + width;
- if(xend >= dest_rect.width) {
- width -= xend - dest_rect.width;
- }
-
- int yend = dest_y + height;
- if(yend >= dest_rect.height) {
- height -= yend - dest_rect.height;
- }
-
- if(width <= 0 || height <= 0) {
- return;
- }
-
- unsigned char *sptr = src_img + (src_rect.y * src_rect.width + src_rect.x) * 4;
- unsigned char *dptr = dest_img + (dest_y * dest_rect.width + dest_x) * 4;
-
- for(int i=0; i<height; i++) {
- memcpy(dptr, sptr, width * 4);
- sptr += src_rect.width * 4;
- dptr += dest_rect.width * 4;
- }
-}
-
-void blit_key(unsigned char *src_img, const Rect &src_rect, unsigned char* dest_img,
- const Rect &dest_rect, int dest_x, int dest_y, int key_r, int key_g, int key_b)
-{
- int width = src_rect.width;
- int height = src_rect.height;
-
- int xoffs = dest_x - dest_rect.x;
- if(xoffs < 0) {
- dest_x = dest_rect.x;
- width += xoffs;
- }
-
- int yoffs = dest_y - dest_rect.y;
- if(yoffs < 0) {
- dest_y = dest_rect.y;
- height += yoffs;
- }
-
- int xend = dest_x + width;
- if(xend >= dest_rect.width) {
- width -= xend - dest_rect.width;
- }
-
- int yend = dest_y + height;
- if(yend >= dest_rect.height) {
- height -= yend - dest_rect.height;
- }
-
- if(width <= 0 || height <= 0) {
- return;
- }
-
- unsigned char *sptr = src_img + (src_rect.y * src_rect.width + src_rect.x) * 4;
- unsigned char *dptr = dest_img + (dest_y * dest_rect.width + dest_x) * 4;
-
- for(int i=0; i<height; i++) {
- for(int j=0; j<width; j++) {
- int r = sptr[j * 4];
- int g = sptr[j * 4 + 1];
- int b = sptr[j * 4 + 2];
-
- if(r != key_r || g != key_g || b != key_b) {
- dptr[j * 4] = r;
- dptr[j * 4 + 1] = g;
- dptr[j * 4 + 2] = b;
- }
- }
-
- sptr += src_rect.width * 4;
- dptr += dest_rect.width * 4;
- }
-}
-
void gfx_update()
{
SDL_UpdateRect(fbsurf, 0, 0, 0, 0);