From 2b5a8021973ab2321d3b20df7a33b9a9aacdb2f4 Mon Sep 17 00:00:00 2001
From: Benjamin Maus <benjamin@feld.is>
Date: Sun, 26 May 2013 14:19:29 +0200
Subject: [PATCH] Fixes processing/processing#1810 where a png data would be
 written instead of jpeg data.

---
 core/src/processing/core/PImage.java | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/core/src/processing/core/PImage.java b/core/src/processing/core/PImage.java
index 5887c9d55..d1747b173 100644
--- a/core/src/processing/core/PImage.java
+++ b/core/src/processing/core/PImage.java
@@ -3109,6 +3109,7 @@ public class PImage implements PConstants, Cloneable {
       ImageWriter writer = null;
       ImageWriteParam param = null;
       IIOMetadata metadata = null;
+      
       if (extension.equals("jpg") || extension.equals("jpeg")) {
         if ((writer = imageioWriter("jpeg")) != null) {
           // Set JPEG quality to 90% with baseline optimization. Setting this
@@ -3120,12 +3121,16 @@ public class PImage implements PConstants, Cloneable {
           param.setCompressionQuality(0.9f);
         }
       }
-      if ((writer = imageioWriter("png")) != null) {
-        param = writer.getDefaultWriteParam();
-        if (false) {
-          metadata = imageioDPI(writer, param, 100);
+
+      if (extension.equals("png")) {
+        if ((writer = imageioWriter("png")) != null) {
+          param = writer.getDefaultWriteParam();
+          if (false) {
+            metadata = imageioDPI(writer, param, 100);
+          }
         }
       }
+
       if (writer != null) {
         BufferedOutputStream output =
           new BufferedOutputStream(PApplet.createOutput(file));