foo

[retroray] / src / dos / main.c

diff --git a/src/dos/main.c b/src/dos/main.c
index 16f53ba..50c876f 100644 (file)
--- a/src/dos/main.c
+++ b/src/dos/main.c
@@ -44,6 +44,8 @@ static uint32_t *vmem;
 static int quit, disp_pending, dirty_valid;
 static rtk_rect dirty;
 static int mx, my;
+static rtk_rect rband;
+
 
 int main(int argc, char **argv)
 {
@@ -231,6 +233,18 @@ void app_vsync(int vsync)
 {
 }
 
+void app_rband(int x, int y, int w, int h)
+{
+       if(!(w | h)) {
+               w = h = 0;
+       }
+
+       rband.x = x;
+       rband.y = y;
+       rband.width = w;
+       rband.height = h;
+}
+
 static void draw_cursor(int x, int y)
 {
        int i;
@@ -244,3 +258,28 @@ static void draw_cursor(int x, int y)
                if(x < win_width - offs - 1) fbptr[offs] ^= 0xffffff;
        }
 }
+
+static void draw_rband(void)
+{
+       int i;
+       rtk_rect rect;
+       uint32_t *fbptr, *bptr;
+
+       rect = rband;
+       fix_rect(&rect);
+
+       fbptr = framebuf + rect.y * win_width + rect.x;
+       bptr = fbptr + win_width * (rect.height - 1);
+
+       for(i=0; i<rect.width; i++) {
+               fbptr[i] ^= 0xffffff;
+               bptr[i] ^= 0xffffff;
+       }
+       fbptr += win_width;
+       for(i=0; i<rect.height-2; i++) {
+               fbptr[0] ^= 0xffffff;
+               fbptr[rect.width - 1] ^= 0xffffff;
+               fbptr += win_width;
+       }
+       app_redisplay(rect.x, rect.y, rect.width, rect.height);
+}