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#419 PICT rounding issue

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This commit is contained in:
Harald Kuhr 2018-04-05 18:58:42 +02:00
parent a81472bb5f
commit 2078843086
1 changed files with 16 additions and 22 deletions
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38
imageio/imageio-pict/src/main/java/com/twelvemonkeys/imageio/plugins/pict/PICTImageReader.java
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@ -2105,7 +2105,7 @@ public final class PICTImageReader extends ImageReaderBase {
// Get transfer mode
int transferMode = pStream.readUnsignedShort();
if (DEBUG) {
System.out.print(", mode: " + transferMode);
System.out.println(", mode: " + transferMode);
}
// Set up pixel buffer for the RGB values
@ -2172,12 +2172,12 @@ public final class PICTImageReader extends ImageReaderBase {
for (int i = 0; i < srcRect.width; i++) {
// Set alpha values to all opaque
pixArray[pixBufOffset + i] = 0xFF000000
// Get red values
| (dstBytes[/*0* bounds.width*/i] & 0xFF) << 16
// Get green values
| (dstBytes[/**/bounds.width + i] & 0xFF) << 8
// Get blue values
| (dstBytes[2 * bounds.width + i] & 0xFF);
// Get red values
| (dstBytes[/*0* bounds.width*/i] & 0xFF) << 16
// Get green values
| (dstBytes[/**/bounds.width + i] & 0xFF) << 8
// Get blue values
| (dstBytes[2 * bounds.width + i] & 0xFF);
}
}
else {
@ -2185,12 +2185,12 @@ public final class PICTImageReader extends ImageReaderBase {
for (int i = 0; i < srcRect.width; i++) {
// Get alpha values
pixArray[pixBufOffset + i] = (dstBytes[/*0* bounds.width*/i] & 0xFF) << 24
// Get red values
| (dstBytes[/**/bounds.width + i] & 0xFF) << 16
// Get green values
| (dstBytes[2 * bounds.width + i] & 0xFF) << 8
// Get blue values
| (dstBytes[3 * bounds.width + i] & 0xFF);
// Get red values
| (dstBytes[/**/bounds.width + i] & 0xFF) << 16
// Get green values
| (dstBytes[2 * bounds.width + i] & 0xFF) << 8
// Get blue values
| (dstBytes[3 * bounds.width + i] & 0xFF);
}
}
}
@ -2409,7 +2409,7 @@ public final class PICTImageReader extends ImageReaderBase {
* image resolution ratio.
*/
private int getXPtCoord(int pPoint) {
return (int) (pPoint / screenImageXRatio);
return (int) Math.round(pPoint / screenImageXRatio);
}
/*
@ -2418,7 +2418,7 @@ public final class PICTImageReader extends ImageReaderBase {
* image resolution ratio.
*/
private int getYPtCoord(int pPoint) {
return (int) (pPoint / screenImageYRatio);
return (int) Math.round(pPoint / screenImageYRatio);
}
/*
@ -2480,7 +2480,6 @@ public final class PICTImageReader extends ImageReaderBase {
// Might need to clear background
g.setComposite(AlphaComposite.Src);
g.setColor(new Color(0x00ffffff, true)); // Transparent white
// g.setColor(Color.WHITE);
g.fillRect(0, 0, image.getWidth(), image.getHeight());
AffineTransform instance = new AffineTransform();
@ -2492,12 +2491,7 @@ public final class PICTImageReader extends ImageReaderBase {
instance.scale(screenImageXRatio / subX, screenImageYRatio / subY);
g.setTransform(instance);
// try {
drawOnto(g);
// }
// catch (IOException e) {
// e.printStackTrace();
// }
drawOnto(g);
}
finally {
g.dispose();