Branch: Tag:

1997-09-18

1997-09-18 23:32:00 by Henrik Grubbström (Grubba) <grubba@grubba.org>

Added some more checks to img_box().

Rev: src/modules/Image/blit.c:1.14

1: - /* $Id: blit.c,v 1.13 1997/09/10 20:16:36 grubba Exp $ */ + /* $Id: blit.c,v 1.14 1997/09/18 23:32:00 grubba Exp $ */   #include "global.h"      /*   **! module Image   **! note - **! $Id: blit.c,v 1.13 1997/09/10 20:16:36 grubba Exp $<br> + **! $Id: blit.c,v 1.14 1997/09/18 23:32:00 grubba Exp $<br>   **! class image   */   
593:   {    if (x1>x2) x1^=x2,x2^=x1,x1^=x2;    if (y1>y2) y1^=y2,y2^=y1,y1^=y2; +  if (x2 >= THIS->xsize) x2 = THIS->xsize-1; +  if (y2 >= THIS->ysize) y2 = THIS->ysize-1;    if (x2<0||y2<0||x1>=THIS->xsize||y1>=THIS->ysize) return; -  +  if (x1<0) x1 = 0; +  if (y1<0) y1 = 0;    img_box_nocheck(max(x1,0),max(y1,0),min(x2,THIS->xsize-1),min(y2,THIS->ysize-1));   }