Sakurai/pdf.js
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Convert src/core/ccitt_stream.js to use standard classes

Browse Source
This commit is contained in:
Jonas Jenwald 2021-04-27 12:27:36 +02:00
parent 8ff213871b
commit 0ca63f94b4
1 changed files with 7 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
src/core/ccitt_stream.js
View File

@ -17,9 +17,10 @@ import { Dict, isDict } from "./primitives.js";
import { CCITTFaxDecoder } from "./ccitt.js";
import { DecodeStream } from "./stream.js";
const CCITTFaxStream = (function CCITTFaxStreamClosure() {
// eslint-disable-next-line no-shadow
function CCITTFaxStream(str, maybeLength, params) {
class CCITTFaxStream extends DecodeStream {
constructor(str, maybeLength, params) {
super(maybeLength);
this.str = str;
this.dict = str.dict;
@ -41,13 +42,9 @@ const CCITTFaxStream = (function CCITTFaxStreamClosure() {
EndOfBlock: params.get("EndOfBlock"),
BlackIs1: params.get("BlackIs1"),
});
DecodeStream.call(this, maybeLength);
}
CCITTFaxStream.prototype = Object.create(DecodeStream.prototype);
CCITTFaxStream.prototype.readBlock = function () {
readBlock() {
while (!this.eof) {
const c = this.ccittFaxDecoder.readNextChar();
if (c === -1) {
@ -57,9 +54,7 @@ const CCITTFaxStream = (function CCITTFaxStreamClosure() {
this.ensureBuffer(this.bufferLength + 1);
this.buffer[this.bufferLength++] = c;
}
};
return CCITTFaxStream;
})();
}
}
export { CCITTFaxStream };