- drawpixel() now ensures that the x,y coordinates are actually within the screen. This should fix a number of crashes.

2006-03-31 05:03:02 +00:00 · 2006-03-31 05:03:02 +00:00 · 872e2a5242
parent d503d07710
commit 872e2a5242
1 changed files with 4 additions and 0 deletions
--- a/netmapr.c
+++ b/netmapr.c
@ -3551,6 +3551,10 @@ void drawobjectSVG(SDL_Surface *dest, mapobject_t *o, int doublebuffer) {
 void drawpixel(SDL_Surface *screen, int x, int y, SDL_Color c) {
    Uint32 color = SDL_MapRGB(screen->format, c.r, c.g, c.b);

+    if ((x < 0) || (y < 0) || (x >= screen->w) || (y >= screen->h)) {
+	return;
+    }
+
    /*if ( SDL_MUSTLOCK(screen) ) {
        if ( SDL_LockSurface(screen) < 0 ) {
            return;