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8166988: Improve image processing performance

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Reviewed-by: serb, vadim, mschoene
This commit is contained in:
Phil Race 2016-10-06 10:31:41 -07:00
parent 7007b4d6f2
commit 698c52a1eb
1 changed files with 10 additions and 2 deletions
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12
jdk/src/java.desktop/share/classes/com/sun/imageio/plugins/png/PNGImageReader.java
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@ -735,7 +735,11 @@ public class PNGImageReader extends ImageReader {
parse_iCCP_chunk(chunkLength);
break;
case iTXt_TYPE:
parse_iTXt_chunk(chunkLength);
if (ignoreMetadata) {
stream.skipBytes(chunkLength);
} else {
parse_iTXt_chunk(chunkLength);
}
break;
case pHYs_TYPE:
parse_pHYs_chunk();
@ -759,7 +763,11 @@ public class PNGImageReader extends ImageReader {
parse_tRNS_chunk(chunkLength);
break;
case zTXt_TYPE:
parse_zTXt_chunk(chunkLength);
if (ignoreMetadata) {
stream.skipBytes(chunkLength);
} else {
parse_zTXt_chunk(chunkLength);
}
break;
default:
// Read an unknown chunk