https://github.com/ImageMagick/ImageMagick/issues/3334

ImageMagick · Mar 2, 2021 · 1b3585f · 1b3585f
1 parent 366c970
commit 1b3585f
Showing 1 changed file with 6 additions and 5 deletions.
diff --git a/magick/widget.c b/magick/widget.c
@@ -1852,8 +1852,8 @@ MagickExport void XColorBrowserWidget(Display *display,XWindows *windows,
           slider_info.bevel_width+2;
         slider_info.height=scroll_info.height-((slider_info.min_y-
           scroll_info.y+1) << 1)+4;
-        visible_colors=scroll_info.height*PerceptibleReciprocal((double) height+
-          (height >> 3));
+        visible_colors=(unsigned int) (scroll_info.height*
+          PerceptibleReciprocal((double) height+(height >> 3)));
         if (colors > visible_colors)
           slider_info.height=(unsigned int) ((visible_colors*
             slider_info.height)/colors);
@@ -4459,10 +4459,11 @@ MagickExport void XFileBrowserWidget(Display *display,XWindows *windows,
           slider_info.bevel_width+2;
         slider_info.height=scroll_info.height-((slider_info.min_y-
           scroll_info.y+1) << 1)+4;
-        visible_files=scroll_info.height/(height+(height >> 3));
+        visible_files=(unsigned int) (scroll_info.height*
+          PerceptibleReciprocal((double) height+(height >> 3)));
         if (files > visible_files)
-          slider_info.height=(unsigned int)
-            ((visible_files*slider_info.height)/files);
+          slider_info.height=(unsigned int) ((visible_files*
+            slider_info.height)/files);
         slider_info.max_y=south_info.y-south_info.bevel_width-
           slider_info.bevel_width-2;
         slider_info.x=scroll_info.x+slider_info.bevel_width+1;