svn commit: r1783252 - /pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/rendering/TilingPaint.java

[tilman]

Author: tilman
Date: Thu Feb 16 17:11:00 2017
New Revision: 1783252

URL: http://svn.apache.org/viewvc?rev=1783252&view=rev
Log:
PDFBOX-3653: make max smaller and configurable

Modified:
    
pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/rendering/TilingPaint.java

Modified: 
pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/rendering/TilingPaint.java
URL: 
http://svn.apache.org/viewvc/pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/rendering/TilingPaint.java?rev=1783252&r1=1783251&r2=1783252&view=diff
==============================================================================
--- 
pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/rendering/TilingPaint.java
 (original)
+++ 
pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/rendering/TilingPaint.java
 Thu Feb 16 17:11:00 2017
@@ -54,6 +54,24 @@ class TilingPaint implements Paint
     private final TexturePaint paint;
     private final PageDrawer drawer;
     private final Matrix patternMatrix;
+    private static final int MAXEDGE;
+    private static final String DEFAULTMAXEDGE = "3000";
+
+    static 
+    {
+        String s = System.getProperty("pdfbox.rendering.tilingpaint.maxedge", 
DEFAULTMAXEDGE);
+        int val;
+        try
+        {
+            val = Integer.parseInt(s);
+        }
+        catch (NumberFormatException ex)
+        {
+            LOG.error("Default will be used", ex);
+            val = Integer.parseInt(DEFAULTMAXEDGE);
+        }
+        MAXEDGE = val;
+    }
 
     /**
      * Creates a new colored tiling Paint, i.e. one that has its own colors.
@@ -215,8 +233,7 @@ class TilingPaint implements Paint
         float width = xStep * xScale;
         float height = yStep * yScale;
 
-        final int MAX = 5000;
-        if (Math.abs(width * height) > MAX * MAX)
+        if (Math.abs(width * height) > MAXEDGE * MAXEDGE)
         {
             // PDFBOX-3653: prevent huge sizes
             LOG.info("Pattern surface is too large, will be clipped");
@@ -225,8 +242,8 @@ class TilingPaint implements Paint
             LOG.info("bbox: " + pattern.getBBox());
             LOG.info("pattern matrix: " + pattern.getMatrix());
             LOG.info("concatenated matrix: " + patternMatrix);
-            width = Math.min(MAX, Math.abs(width)) * Math.signum(width);
-            height = Math.min(MAX, Math.abs(height)) * Math.signum(height);
+            width = Math.min(MAXEDGE, Math.abs(width)) * Math.signum(width);
+            height = Math.min(MAXEDGE, Math.abs(height)) * Math.signum(height);
             //TODO better solution needed
         }