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#423 Fixed PICT offset issue.

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This commit is contained in:
Harald Kuhr 2018-05-02 22:11:26 +02:00
parent 30582dc5e5
commit 5c8b4e0edf
1 changed files with 29 additions and 39 deletions
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68
imageio/imageio-pict/src/main/java/com/twelvemonkeys/imageio/plugins/pict/PICTImageReader.java
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@ -122,7 +122,7 @@ public final class PICTImageReader extends ImageReaderBase {
private double screenImageYRatio;
// List of images created during image import
private List<BufferedImage> images = new ArrayList<BufferedImage>();
private List<BufferedImage> images = new ArrayList<>();
private long imageStartStreamPos;
protected int picSize;
@ -1667,7 +1667,6 @@ public final class PICTImageReader extends ImageReaderBase {
}
// Get bounds rectangle. THIS IS NOT TO BE SCALED BY THE RESOLUTION!
// TODO: ...or then again...? :-)
Rectangle bounds = new Rectangle();
int y = pStream.readUnsignedShort();
int x = pStream.readUnsignedShort();
@ -1800,14 +1799,14 @@ public final class PICTImageReader extends ImageReaderBase {
// Get transfer mode
int transferMode = pStream.readUnsignedShort();
if (DEBUG) {
System.out.println(", mode: " + transferMode);
System.out.print(", mode: " + transferMode);
}
Rectangle regionBounds = new Rectangle();
Polygon region = hasRegion ? readRegion(pStream, regionBounds) : null;
if (DEBUG) {
verboseRegionCmd("region", regionBounds, region);
System.out.println(hasRegion ? ", region: " + region : "" );
}
// Set up pixel buffer for the RGB values
@ -1873,7 +1872,7 @@ public final class PICTImageReader extends ImageReaderBase {
if (images.size() <= pPixmapCount) {
// Create BufferedImage and add buffer it for multiple reads
DataBuffer db = new DataBufferByte(pixArray, pixArray.length);
WritableRaster raster = Raster.createPackedRaster(db, (rowBytes * 8) / cmpSize, srcRect.height, cmpSize, null); // TODO: last param should ideally be srcRect.getLocation()
WritableRaster raster = Raster.createPackedRaster(db, (rowBytes * 8) / cmpSize, srcRect.height, cmpSize, null);
BufferedImage img = new BufferedImage(colorModel, raster, colorModel.isAlphaPremultiplied(), null);
images.add(img);
@ -1882,9 +1881,8 @@ public final class PICTImageReader extends ImageReaderBase {
// Draw the image
BufferedImage img = images.get(pPixmapCount);
if (img != null) {
// TODO: FixMe.. Seems impossible to create a bufferedImage with a raster not starting at 0,0
srcRect.setLocation(0, 0); // should not require this line..
// context.copyBits(img, srcRect, dstRect, transferMode, region);
srcRect.setLocation(0, 0); // Raster always start at 0,0
// dstRect.translate(-frame.x, -frame.y);
context.copyBits(img, srcRect, dstRect, transferMode, null);
}
@ -1924,7 +1922,6 @@ public final class PICTImageReader extends ImageReaderBase {
}
// Get bounds rectangle. THIS IS NOT TO BE SCALED BY THE RESOLUTION!
// TODO: ...or then again...? :-)
Rectangle bounds = new Rectangle();
int y = pStream.readUnsignedShort();
int x = pStream.readUnsignedShort();
@ -1939,7 +1936,6 @@ public final class PICTImageReader extends ImageReaderBase {
ColorModel colorModel = null;
int packType;
int cmpSize;
int cmpCount;
if (isPixMap) {
@ -1992,7 +1988,7 @@ public final class PICTImageReader extends ImageReaderBase {
}
// Get pixel component size
cmpSize = pStream.readUnsignedShort();
int cmpSize = pStream.readUnsignedShort();
if (DEBUG) {
System.out.print(", cmpSize:" + cmpSize);
}
@ -2010,7 +2006,6 @@ public final class PICTImageReader extends ImageReaderBase {
else {
// Old style BitMap record
packType = 1;
cmpSize = 1;
cmpCount = 1;
colorModel = QuickDraw.MONOCHROME;
}
@ -2179,17 +2174,17 @@ public final class PICTImageReader extends ImageReaderBase {
if (colorModel != null) {
cm = colorModel;
DataBuffer db = new DataBufferByte(dstBytes, dstBytes.length);
raster = Raster.createPackedRaster(db, srcRect.width, srcRect.height, 1, null); // TODO: last param should ideally be srcRect.getLocation()
raster = Raster.createPackedRaster(db, srcRect.width, srcRect.height, 1, null);
}
else if (packType == 3) {
cm = new DirectColorModel(15, 0x7C00, 0x03E0, 0x001F); // See BufferedImage TYPE_USHORT_555_RGB
DataBuffer db = new DataBufferUShort(shortArray, shortArray.length);
raster = Raster.createPackedRaster(db, srcRect.width, srcRect.height, srcRect.width, ((DirectColorModel) cm).getMasks(), null); // TODO: last param should ideally be srcRect.getLocation()
raster = Raster.createPackedRaster(db, srcRect.width, srcRect.height, srcRect.width, ((DirectColorModel) cm).getMasks(), null);
}
else {
cm = ColorModel.getRGBdefault();
DataBuffer db = new DataBufferInt(pixArray, pixArray.length);
raster = Raster.createPackedRaster(db, srcRect.width, srcRect.height, srcRect.width, ((DirectColorModel) cm).getMasks(), null); // TODO: last param should ideally be srcRect.getLocation()
raster = Raster.createPackedRaster(db, srcRect.width, srcRect.height, srcRect.width, ((DirectColorModel) cm).getMasks(), null);
}
BufferedImage img = new BufferedImage(cm, raster, cm.isAlphaPremultiplied(), null);
@ -2200,9 +2195,8 @@ public final class PICTImageReader extends ImageReaderBase {
// Draw the image
BufferedImage img = images.get(pPixmapCount);
if (img != null) {
// TODO: FixMe.. Something wrong here, might be the copyBits methods.
srcRect.setLocation(0, 0); // should not require this line..
// context.copyBits(img, srcRect, dstRect, transferMode, region);
srcRect.setLocation(0, 0); // Raster always starts at 0,0
// dstRect.translate(-frame.x, -frame.y);
context.copyBits(img, srcRect, dstRect, transferMode, null);
}
@ -2311,9 +2305,6 @@ public final class PICTImageReader extends ImageReaderBase {
// Reserved
pStream.readInt();
// TODO: Seems to be packType 0 all the time?
// packType = 0 means default....
// Color table
colorModel = PICTUtil.readColorTable(pStream, pixelSize);
}
@ -2339,7 +2330,7 @@ public final class PICTImageReader extends ImageReaderBase {
System.out.print(", srcRect: " + srcRect);
System.out.print(", dstRect: " + dstRect);
System.out.print(", mode: " + mode);
System.out.println(hasRegion ? ", region: " + region : "");
System.out.print(hasRegion ? ", region: " + region : "");
System.out.println();
}
@ -2351,12 +2342,12 @@ public final class PICTImageReader extends ImageReaderBase {
}
DataBuffer db = new DataBufferByte(data, data.length);
WritableRaster raster = Raster.createPackedRaster(db, (rowBytes * 8) / cmpSize, srcRect.height, cmpSize, null); // TODO: last param should ideally be srcRect.getLocation()
WritableRaster raster = Raster.createPackedRaster(db, (rowBytes * 8) / cmpSize, srcRect.height, cmpSize, null);
BufferedImage image = new BufferedImage(colorModel, raster, colorModel.isAlphaPremultiplied(), null);
// Draw pixel data
srcRect.setLocation(0, 0); // should not require this line..
dstRect.setLocation(0, 0); // should not require this line..
srcRect.setLocation(0, 0); // Raster always start at 0,0
// dstRect.translate(-frame.x, -frame.y);
context.copyBits(image, srcRect, dstRect, mode, null);
}
@ -2535,15 +2526,13 @@ public final class PICTImageReader extends ImageReaderBase {
* Write out polygon command, bounds and points.
*/
private void verbosePolyCmd(String pCmd, Rectangle pBounds, Polygon pPolygon) {
int i;
System.out.println(pCmd + ": " + new Rectangle(pBounds.x, pBounds.y, pBounds.width, pBounds.height));
System.out.println(pCmd + ": " + pBounds);
System.out.print("Polygon points: ");
for (i = 0; pPolygon != null && i < pPolygon.npoints - 1; i++) {
System.out.print("(" + pPolygon.xpoints[i] + "," + pPolygon.ypoints[i] + "), ");
}
if (pPolygon != null && pPolygon.npoints > 0) {
System.out.print("(" + pPolygon.xpoints[i] + "," + pPolygon.ypoints[i] + ")");
System.out.print("(" + pPolygon.xpoints[0] + "," + pPolygon.ypoints[0] + ")");
}
for (int i = 1; pPolygon != null && i < pPolygon.npoints; i++) {
System.out.print(", (" + pPolygon.xpoints[i] + "," + pPolygon.ypoints[i] + ")");
}
System.out.println();
}
@ -2552,15 +2541,13 @@ public final class PICTImageReader extends ImageReaderBase {
* Write out region command, bounds and points.
*/
private void verboseRegionCmd(String pCmd, Rectangle pBounds, Polygon pPolygon) {
int i;
System.out.println(pCmd + ": " + new Rectangle(pBounds.x, pBounds.y, pBounds.width, pBounds.height));
System.out.println(pCmd + ": " + pBounds);
System.out.print("Region points: ");
for (i = 0; pPolygon != null && i < pPolygon.npoints - 1; i++) {
System.out.print("(" + pPolygon.xpoints[i] + "," + pPolygon.ypoints[i] + "), ");
}
if (pPolygon != null && pPolygon.npoints > 0) {
System.out.print("(" + pPolygon.xpoints[i] + "," + pPolygon.ypoints[i] + ")");
System.out.print("(" + pPolygon.xpoints[0] + "," + pPolygon.ypoints[0] + ")");
}
for (int i = 1; pPolygon != null && i < pPolygon.npoints; i++) {
System.out.print(", (" + pPolygon.xpoints[i] + "," + pPolygon.ypoints[i] + ")");
}
System.out.println();
}
@ -2600,7 +2587,10 @@ public final class PICTImageReader extends ImageReaderBase {
}
instance.scale(screenImageXRatio / subX, screenImageYRatio / subY);
instance.translate(-frame.x, -frame.y);
g.setTransform(instance);
drawOnto(g);
}
finally {