#include "geom.h"
#include "gfx.h"
-static Rect clipping_rect;
-
-void set_clipping_rect(const Rect &rect)
-{
- clipping_rect = rect_intersection(rect, get_screen_size());
-}
-
-const Rect &get_clipping_rect()
-{
- return clipping_rect;
-}
-
void clear_screen(int r, int g, int b)
{
Rect screen_rect = get_screen_size();
{
Rect drect = rect;
Rect screen_rect = get_screen_size();
+ Rect clipping_rect = get_clipping_rect();
if(drect.x < clipping_rect.x) {
drect.width -= clipping_rect.x - drect.x;
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 red_offs, green_offs, blue_offs;
+ get_rgb_order(&red_offs, &green_offs, &blue_offs);
+
Rect irect = rect_intersection(get_clipping_rect(), dest_rect);
int width = src_rect.width;
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);
+ for(int j=0; j<width; j++) {
+ dptr[j * 4 + red_offs] = sptr[j * 4];
+ dptr[j * 4 + green_offs] = sptr[j * 4 + 1];
+ dptr[j * 4 + blue_offs] = sptr[j * 4 + 2];
+ }
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 red_offs, green_offs, blue_offs;
+ get_rgb_order(&red_offs, &green_offs, &blue_offs);
+
Rect irect = rect_intersection(get_clipping_rect(), dest_rect);
int width = src_rect.width;
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;
+ dptr[j * 4 + red_offs] = r;
+ dptr[j * 4 + green_offs] = g;
+ dptr[j * 4 + blue_offs] = b;
}
}