Re: [AD] possible bug in draw_sprite_h_flip C version while clipping

["Eric Botcazou" <ebotcazou@xxxxxxxxxx>]

> diff attached, all the flip routines now clip properly.

Here's the fix I'm going to commit:


--- cvsroot/allegro/src/c/cspr.h Sun Dec 16 16:12:04 2001
+++ allegro/src/c/cspr.h Tue May 21 09:41:58 2002
@@ -203,6 +203,8 @@
       if (h <= 0)
   return;
 
+      /* use backward drawing onto dst */
+      sybeg = src->h - (sybeg + h);
       dybeg += h - 1;
    }
    else {
@@ -269,6 +271,8 @@
       if (w <= 0)
   return;
 
+      /* use backward drawing onto dst */
+      sxbeg = src->w - (sxbeg + w);
       dxbeg += w - 1;
 
       tmp = dst->ct - dy;
@@ -344,6 +348,8 @@
       if (w <= 0)
   return;
 
+      /* use backward drawing onto dst */
+      sxbeg = src->w - (sxbeg + w);
       dxbeg += w - 1;
 
       tmp = dst->ct - dy;
@@ -355,6 +361,8 @@
       if (h <= 0)
   return;
 
+      /* use backward drawing onto dst */
+      sybeg = src->h - (sybeg + h);
       dybeg += h - 1;
    }
    else {


--
Eric Botcazou
ebotcazou@xxxxxxxxxx