From b51ab2cc5d34906fd9f4ef271c712b1a744edd47 Mon Sep 17 00:00:00 2001
From: Harald Kuhr <harald.kuhr@gmail.com>
Date: Sun, 4 Oct 2009 17:28:41 +0200
Subject: [PATCH] Added "sub sampling" to PICTImageReader (really only scales
 down).

---
 .../imageio/plugins/pict/PICTImageReader.java     | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/twelvemonkeys-imageio/pict/src/main/java/com/twelvemonkeys/imageio/plugins/pict/PICTImageReader.java b/twelvemonkeys-imageio/pict/src/main/java/com/twelvemonkeys/imageio/plugins/pict/PICTImageReader.java
index b146d450..4e246ef2 100644
--- a/twelvemonkeys-imageio/pict/src/main/java/com/twelvemonkeys/imageio/plugins/pict/PICTImageReader.java
+++ b/twelvemonkeys-imageio/pict/src/main/java/com/twelvemonkeys/imageio/plugins/pict/PICTImageReader.java
@@ -2598,12 +2598,21 @@ public class PICTImageReader extends ImageReaderBase {
     }
 
     @Override
-    public BufferedImage read(int pIndex, ImageReadParam pParam) throws IOException {
+    public BufferedImage read(final int pIndex, final ImageReadParam pParam) throws IOException {
         checkBounds(pIndex);
 
         processImageStarted(pIndex);
 
-        // TODO: Param handling (need not be faked)
+        // TODO: Param handling
+        final int subX, subY;
+        if (pParam != null) {
+            subX = pParam.getSourceXSubsampling();
+            subY = pParam.getSourceYSubsampling();
+        }
+        else {
+            subX = 1;
+            subY = 1;
+        }
 
         Rectangle frame = getPICTFrame();
         BufferedImage image = getDestination(pParam, getImageTypes(pIndex), getXPtCoord(frame.width), getYPtCoord(frame.height));
@@ -2611,7 +2620,7 @@ public class PICTImageReader extends ImageReaderBase {
         try {
             // TODO: Might need to clear background
 
-            g.setTransform(AffineTransform.getScaleInstance(mScreenImageXRatio, mScreenImageYRatio));
+            g.setTransform(AffineTransform.getScaleInstance(mScreenImageXRatio / subX, mScreenImageYRatio / subY));
 //            try {
                 drawOnto(g);
 //            }