Lower the pixmap size limit used by SuckGlyphsFromServer

to accomodate XFree86. Now the limit is 4096.

1 files changed, 4 insertions, 4 deletions

diff --git a/generic/Image.c b/generic/Image.c
index f0ab878..e29ca44 100644
--- a/generic/Image.c
+++ b/generic/Image.c
@@ -1268,10 +1268,10 @@ SuckGlyphsFromServer(ZnWInfo    *wi,
   maxSpanLength = (txf->max_char_width + 7) / 8;
   /* Be careful determining the width of the pixmap; the X protocol allows
      pixmaps of width 2^16-1 (unsigned short size) but drawing coordinates
-     max out at 2^15-1 (signed short size).  If the width is too large, we
-     need to limit the glyphs per grab.  */
-  if ((glyphsPerGrab * 8 * maxSpanLength) >= (1 << 15)) {
-    glyphsPerGrab = (1 << 15) / (8 * maxSpanLength);
+     max out at 2^15-1 (signed short size). Some problems have been encountered
+     with XFree86, it is safe to limit the width to 4096. */
+  if ((glyphsPerGrab * 8 * maxSpanLength) >= (1 << 12)) {
+    glyphsPerGrab = (1 << 12) / (8 * maxSpanLength);
   }
   pixwidth = glyphsPerGrab * 8 * maxSpanLength;
   offscreen = Tk_GetPixmap(wi->dpy, RootWindowOfScreen(wi->screen),