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Added "sub sampling" to PICTImageReader (really only scales down).

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This commit is contained in:
Harald Kuhr 2009-10-04 17:28:41 +02:00
parent ad904ccd90
commit b51ab2cc5d
1 changed files with 12 additions and 3 deletions
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15
twelvemonkeys-imageio/pict/src/main/java/com/twelvemonkeys/imageio/plugins/pict/PICTImageReader.java
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@ -2598,12 +2598,21 @@ public class PICTImageReader extends ImageReaderBase {
} }
@Override @Override
public BufferedImage read(int pIndex, ImageReadParam pParam) throws IOException { public BufferedImage read(final int pIndex, final ImageReadParam pParam) throws IOException {
checkBounds(pIndex); checkBounds(pIndex);
processImageStarted(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(); Rectangle frame = getPICTFrame();
BufferedImage image = getDestination(pParam, getImageTypes(pIndex), getXPtCoord(frame.width), getYPtCoord(frame.height)); BufferedImage image = getDestination(pParam, getImageTypes(pIndex), getXPtCoord(frame.width), getYPtCoord(frame.height));
@ -2611,7 +2620,7 @@ public class PICTImageReader extends ImageReaderBase {
try { try {
// TODO: Might need to clear background // TODO: Might need to clear background
g.setTransform(AffineTransform.getScaleInstance(mScreenImageXRatio, mScreenImageYRatio)); g.setTransform(AffineTransform.getScaleInstance(mScreenImageXRatio / subX, mScreenImageYRatio / subY));
// try { // try {
drawOnto(g); drawOnto(g);
// } // }