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Accept and handle null param in copyIntoRasterWithParams().

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Co-authored-by: Harald Kuhr <harald.kuhr@gmail.com>
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Wladimir Leite 2023-03-15 16:47:53 -03:00 committed by GitHub
parent a377712bdb
commit 993e07ee34
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1 changed files with 6 additions and 10 deletions
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imageio/imageio-webp/src/main/java/com/twelvemonkeys/imageio/plugins/webp/lossless/VP8LDecoder.java
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@ -148,16 +148,12 @@ public final class VP8LDecoder {
*/ */
public static void copyIntoRasterWithParams(final Raster srcRaster, final WritableRaster dstRaster, public static void copyIntoRasterWithParams(final Raster srcRaster, final WritableRaster dstRaster,
final ImageReadParam param) { final ImageReadParam param) {
Rectangle sourceRegion = param.getSourceRegion(); Rectangle sourceRegion = param != null && param.getSourceRegion() != null ? param.getSourceRegion() : dstRaster.getBounds();
int sourceXSubsampling = param.getSourceXSubsampling(); int sourceXSubsampling = param != null ? param.getSourceXSubsampling() : 1;
int sourceYSubsampling = param.getSourceYSubsampling(); int sourceYSubsampling = param != null ? param.getSourceYSubsampling() : 1;
int subsamplingXOffset = param.getSubsamplingXOffset(); int subsamplingXOffset = param != null ? param.getSubsamplingXOffset() : 0;
int subsamplingYOffset = param.getSubsamplingYOffset(); int subsamplingYOffset = param != null ? param.getSubsamplingYOffset() : 0;
Point destinationOffset = param.getDestinationOffset(); Point destinationOffset = param != null ? param.getDestinationOffset() : new Point(0, 0) ;
if (sourceRegion == null) {
sourceRegion = dstRaster.getBounds();
}
if (sourceXSubsampling == 1 && sourceYSubsampling == 1) { if (sourceXSubsampling == 1 && sourceYSubsampling == 1) {
// Only apply offset (and limit to requested region) // Only apply offset (and limit to requested region)