--- a/gfx.c Tue Oct 26 20:56:51 2004 +0000
+++ b/gfx.c Mon Nov 01 15:08:40 2004 +0000
@@ -115,6 +115,8 @@
void GfxFillRect(int left, int top, int right, int bottom, int color) {
DrawPixelInfo *dpi = _cur_dpi;
byte *dst,*ctab;
+ const int otop = top;
+ const int oleft = left;
if (dpi->zoom != 0)
return;
@@ -159,15 +161,13 @@
} while (--bottom);
}
} else {
- byte bo = 0;
+ byte bo = (oleft - left + dpi->left + otop - top + dpi->top) & 1;
do {
int i;
- byte b = (bo^=1);
- for(i=0; i!=right;i++)
- if ((b^=1) != 0)
- dst[i] = (byte)color;
+ for (i = (bo ^= 1); i < right; i += 2)
+ dst[i] = (byte)color;
dst += dpi->pitch;
- } while (--bottom);
+ } while (--bottom > 0);
}
}