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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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12
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 // Get transfer mode
int transferMode = pStream.readUnsignedShort(); int transferMode = pStream.readUnsignedShort();
if (DEBUG) { if (DEBUG) {
System.out.print(", mode: " + transferMode); System.out.println(", mode: " + transferMode);
} }
// Set up pixel buffer for the RGB values // Set up pixel buffer for the RGB values
@ -2409,7 +2409,7 @@ public final class PICTImageReader extends ImageReaderBase {
* image resolution ratio. * image resolution ratio.
*/ */
private int getXPtCoord(int pPoint) { 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. * image resolution ratio.
*/ */
private int getYPtCoord(int pPoint) { 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 // Might need to clear background
g.setComposite(AlphaComposite.Src); g.setComposite(AlphaComposite.Src);
g.setColor(new Color(0x00ffffff, true)); // Transparent white g.setColor(new Color(0x00ffffff, true)); // Transparent white
// g.setColor(Color.WHITE);
g.fillRect(0, 0, image.getWidth(), image.getHeight()); g.fillRect(0, 0, image.getWidth(), image.getHeight());
AffineTransform instance = new AffineTransform(); AffineTransform instance = new AffineTransform();
@ -2492,12 +2491,7 @@ public final class PICTImageReader extends ImageReaderBase {
instance.scale(screenImageXRatio / subX, screenImageYRatio / subY); instance.scale(screenImageXRatio / subX, screenImageYRatio / subY);
g.setTransform(instance); g.setTransform(instance);
// try {
drawOnto(g); drawOnto(g);
// }
// catch (IOException e) {
// e.printStackTrace();
// }
} }
finally { finally {
g.dispose(); g.dispose();