src/java.desktop/macosx/native/libawt_lwawt/font/CGGlyphImages.m

*** 563,578 ****
       GlyphInfo *info, const CGGI_RenderingMode *mode)
  {
      // clean the canvas
      CGGI_ClearCanvas(canvas, info);
  
      // strike the glyph in the upper right corner
      CGContextShowGlyphsAtPoint(canvas->context,
                                 -info->topLeftX,
                                 canvas->image->height + info->topLeftY,
                                 &glyph, 1);
- 
      // copy the glyph from the canvas into the info
      (*mode->glyphDescriptor->copyFxnPtr)(canvas, info);
  }
  
  /*
--- 563,580 ----
       GlyphInfo *info, const CGGI_RenderingMode *mode)
  {
      // clean the canvas
      CGGI_ClearCanvas(canvas, info);
  
+     if (isnan(info->topLeftX) || isnan(info->topLeftY)) {
+         return;
+     }
      // strike the glyph in the upper right corner
      CGContextShowGlyphsAtPoint(canvas->context,
                                 -info->topLeftX,
                                 canvas->image->height + info->topLeftY,
                                 &glyph, 1);
      // copy the glyph from the canvas into the info
      (*mode->glyphDescriptor->copyFxnPtr)(canvas, info);
  }
  
  /*
*** 853,863 ****
          UniChar uniChars[len];
  
          CGGI_CreateGlyphsAndScanForComplexities(glyphInfos, strike, &mode,
                                                  rawGlyphCodes, uniChars, glyphs,
                                                  advances, bboxes, len);
- 
          return;
      }
  
      // just do one malloc, and carve it up for all the buffers
      void *buffer = malloc(sizeof(CGRect) * sizeof(CGSize) *
--- 855,864 ----
*** 873,880 ****
      UniChar *uniChars = (UniChar *)(glyphs + sizeof(UniChar) * len);
  
      CGGI_CreateGlyphsAndScanForComplexities(glyphInfos, strike, &mode,
                                              rawGlyphCodes, uniChars, glyphs,
                                              advances, bboxes, len);
- 
      free(buffer);
  }
--- 874,880 ----