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#400 Fixed AIOOBE reading index color w/bitplanes for uneven widths.

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This commit is contained in:
Harald Kuhr
2018-01-03 18:05:19 +01:00
parent 63830a26e5
commit cdb2d72f8b
2 changed files with 6 additions and 5 deletions
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imageio/imageio-pcx/src/main/java/com/twelvemonkeys/imageio/plugins/pcx/PCXImageReader.java
+5 -4
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@@ -185,16 +185,16 @@ public final class PCXImageReader extends ImageReaderBase {
if (rawType.getColorModel() instanceof IndexColorModel && header.getChannels() > 1) {
// Bit planes!
// Create raster from a default 8 bit layout
WritableRaster rowRaster = GRAYSCALE.createBufferedImage(header.getWidth(), 1).getRaster();
int planeWidth = header.getBytesPerLine();
int rowWidth = planeWidth * 8; // bitsPerPixel == 1
WritableRaster rowRaster = GRAYSCALE.createBufferedImage(rowWidth, 1).getRaster();
// Clip to source region
Raster clippedRow = clipRowToRect(rowRaster, srcRegion,
param != null ? param.getSourceBands() : null,
param != null ? param.getSourceXSubsampling() : 1);
int planeWidth = header.getBytesPerLine();
byte[] planeData = new byte[planeWidth * 8];
byte[] planeData = new byte[rowWidth];
byte[] rowDataByte = ((DataBufferByte) rowRaster.getDataBuffer()).getData();
for (int y = 0; y < height; y++) {
@@ -351,6 +351,7 @@ public final class PCXImageReader extends ImageReaderBase {
if (header == null) {
imageInput.setByteOrder(ByteOrder.LITTLE_ENDIAN);
header = PCXHeader.read(imageInput);
// System.err.println("header: " + header);
imageInput.flushBefore(imageInput.getStreamPosition());
}