Merge pull request #124 in CORE/base-third from ~KERRY/base-third:10.0 to 10.0

* commit 'acd6617ad111924dd7c1ac1993701a37d871deab':
  无jira任务，打包失败

fine-itext/src/com/fr/third/v2/lowagie/text/pdf/PdfFont.java

@@ -169,12 +169,15 @@ public class PdfFont implements Comparable {
     }
 
     float width(String s) {
+        double width = 0.0d;
         java.awt.Font font = this.getAwtFont();
-        float scale = ONE_THOUSAND / font.getSize2D();
-        java.awt.Font derivedFont = font.deriveFont(AffineTransform.getScaleInstance(scale, scale));
-        double width = derivedFont.getStringBounds(s,  new FontRenderContext(new AffineTransform(), true, true)).getWidth();
-        if (derivedFont.isTransformed()){
-            width /= scale;
+        if (font.getSize2D() > 0) {
+            float scale = ONE_THOUSAND / font.getSize2D();
+            java.awt.Font derivedFont = font.deriveFont(AffineTransform.getScaleInstance(scale, scale));
+            width = derivedFont.getStringBounds(s,  new FontRenderContext(new AffineTransform(), true, true)).getWidth();
+            if (derivedFont.isTransformed()){
+                width /= scale;
+            }
         }
         if (image == null)
             return (float) width * hScale;