svn commit: r1894197 - /pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/rendering/PageDrawer.java

[tilman]

Author: tilman
Date: Wed Oct 13 16:21:37 2021
New Revision: 1894197

URL: http://svn.apache.org/viewvc?rev=1894197&view=rev
Log:
PDFBOX-4892: skip copying image if possible

Modified:
    
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/rendering/PageDrawer.java

Modified: 
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/rendering/PageDrawer.java
URL: 
http://svn.apache.org/viewvc/pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/rendering/PageDrawer.java?rev=1894197&r1=1894196&r2=1894197&view=diff
==============================================================================
--- 
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/rendering/PageDrawer.java 
(original)
+++ 
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/rendering/PageDrawer.java 
Wed Oct 13 16:21:37 2021
@@ -644,8 +644,13 @@ public class PageDrawer extends PDFGraph
         
         int width = (int) Math.ceil(transformedBounds.getWidth());
         int height = (int) Math.ceil(transformedBounds.getHeight());
-        BufferedImage transformedGray = new BufferedImage(width, height, 
BufferedImage.TYPE_BYTE_GRAY); 
-        
+        BufferedImage transformedGray = new BufferedImage(width, height, 
BufferedImage.TYPE_BYTE_GRAY);
+
+        if (width == gray.getWidth() && height == gray.getHeight() && 
at.isIdentity())
+        {
+            return gray;
+        }
+
         Graphics2D g2 = (Graphics2D) transformedGray.getGraphics();
         g2.drawImage(gray, at, null);
         g2.dispose();