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Add #findTableCode to CCITTFaxStream's prototype, fixing issue #1015

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Saebekassebil 2012-01-03 19:11:13 +01:00
parent 78f7354dc7
commit 77e900da11
1 changed files with 9 additions and 8 deletions
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17
src/stream.js
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@ -1856,8 +1856,9 @@ var CCITTFaxStream = (function CCITTFaxStreamClosure() {
// values. The first array element indicates whether a valid code is being // values. The first array element indicates whether a valid code is being
// returned. The second array element is the actual code. The third array // returned. The second array element is the actual code. The third array
// element indicates whether EOF was reached. // element indicates whether EOF was reached.
var findTableCode = function ccittFaxStreamFindTableCode(start, end, table, CCITTFaxStream.prototype.findTableCode =
limit) { function ccittFaxStreamFindTableCode(start, end, table, limit) {
var limitValue = limit || 0; var limitValue = limit || 0;
for (var i = start; i <= end; ++i) { for (var i = start; i <= end; ++i) {
@ -1890,7 +1891,7 @@ var CCITTFaxStream = (function CCITTFaxStreamClosure() {
return p[1]; return p[1];
} }
} else { } else {
var result = findTableCode(1, 7, twoDimTable); var result = this.findTableCode(1, 7, twoDimTable);
if (result[0] && result[2]) if (result[0] && result[2])
return result[1]; return result[1];
} }
@ -1919,11 +1920,11 @@ var CCITTFaxStream = (function CCITTFaxStreamClosure() {
return p[1]; return p[1];
} }
} else { } else {
var result = findTableCode(1, 9, whiteTable2); var result = this.findTableCode.call(1, 9, whiteTable2);
if (result[0]) if (result[0])
return result[1]; return result[1];
result = findTableCode(11, 12, whiteTable1); result = this.findTableCode(11, 12, whiteTable1);
if (result[0]) if (result[0])
return result[1]; return result[1];
} }
@ -1952,15 +1953,15 @@ var CCITTFaxStream = (function CCITTFaxStreamClosure() {
return p[1]; return p[1];
} }
} else { } else {
var result = findTableCode(2, 6, blackTable3); var result = this.findTableCode(2, 6, blackTable3);
if (result[0]) if (result[0])
return result[1]; return result[1];
result = findTableCode(7, 12, blackTable2, 64); result = this.findTableCode(7, 12, blackTable2, 64);
if (result[0]) if (result[0])
return result[1]; return result[1];
result = findTableCode(10, 13, blackTable1); result = this.findTableCode(10, 13, blackTable1);
if (result[0]) if (result[0])
return result[1]; return result[1];
} }