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Stop special-casing the dict parameter in the Jbig2Stream/JpegStream/JpxStream constructors

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For all of the other `DecodeStream`s we're not passing in a `Dict`-instance manually, but instead get it from the `stream`-parameter. Hence there's no particularly good reason, as far as I can tell, to not do the same thing in `Jbig2Stream`/`JpegStream`/`JpxStream` as well.
This commit is contained in:
Jonas Jenwald 2021-04-27 22:35:53 +02:00
parent 67a1cfc1b1
commit fb0775525e
4 changed files with 9 additions and 9 deletions
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4
src/core/jbig2_stream.js
View file

@ -23,12 +23,12 @@ import { shadow } from "../shared/util.js";
* the stream behaves like all the other DecodeStreams.
*/
class Jbig2Stream extends DecodeStream {
constructor(stream, maybeLength, dict, params) {
constructor(stream, maybeLength, params) {
super(maybeLength);
this.stream = stream;
this.dict = stream.dict;
this.maybeLength = maybeLength;
this.dict = dict;
this.params = params;
}

4
src/core/jpeg_stream.js
View file

@ -23,7 +23,7 @@ import { shadow } from "../shared/util.js";
* like all the other DecodeStreams.
*/
class JpegStream extends DecodeStream {
constructor(stream, maybeLength, dict, params) {
constructor(stream, maybeLength, params) {
// Some images may contain 'junk' before the SOI (start-of-image) marker.
// Note: this seems to mainly affect inline images.
let ch;
@ -37,8 +37,8 @@ class JpegStream extends DecodeStream {
super(maybeLength);
this.stream = stream;
this.dict = stream.dict;
this.maybeLength = maybeLength;
this.dict = dict;
this.params = params;
}

4
src/core/jpx_stream.js
View file

@ -22,12 +22,12 @@ import { shadow } from "../shared/util.js";
* the stream behaves like all the other DecodeStreams.
*/
class JpxStream extends DecodeStream {
constructor(stream, maybeLength, dict, params) {
constructor(stream, maybeLength, params) {
super(maybeLength);
this.stream = stream;
this.dict = stream.dict;
this.maybeLength = maybeLength;
this.dict = dict;
this.params = params;
}

6
src/core/parser.js
View file

@ -765,11 +765,11 @@ class Parser {
}
if (name === "DCTDecode" || name === "DCT") {
xrefStreamStats[StreamType.DCT] = true;
return new JpegStream(stream, maybeLength, stream.dict, params);
return new JpegStream(stream, maybeLength, params);
}
if (name === "JPXDecode" || name === "JPX") {
xrefStreamStats[StreamType.JPX] = true;
return new JpxStream(stream, maybeLength, stream.dict, params);
return new JpxStream(stream, maybeLength, params);
}
if (name === "ASCII85Decode" || name === "A85") {
xrefStreamStats[StreamType.A85] = true;
@ -789,7 +789,7 @@ class Parser {
}
if (name === "JBIG2Decode") {
xrefStreamStats[StreamType.JBIG] = true;
return new Jbig2Stream(stream, maybeLength, stream.dict, params);
return new Jbig2Stream(stream, maybeLength, params);
}
warn(`Filter "${name}" is not supported.`);
return stream;