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Merge pull request #5567 from CodingFabian/fixup-5439

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Add marker segment (PLT, PLM) and refactor TLM
This commit is contained in:
Tim van der Meij 2015-01-15 00:37:23 +01:00
commit 465f52e7ce
1 changed files with 5 additions and 7 deletions
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12
src/core/jpx.js
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@ -187,11 +187,6 @@ var JpxImage = (function JpxImageClosure() {
context.QCC = [];
context.COC = [];
break;
case 0xFF55: // Tile-part lengths, main header (TLM)
var Ltlm = readUint16(data, position); // Marker segment length
// Skip tile length markers
position += Ltlm;
break;
case 0xFF5C: // Quantization default (QCD)
length = readUint16(data, position);
var qcd = {};
@ -381,6 +376,9 @@ var JpxImage = (function JpxImageClosure() {
length = tile.dataEnd - position;
parseTilePackets(context, data, position, length);
break;
case 0xFF55: // Tile-part lengths, main header (TLM)
case 0xFF57: // Packet length, main header (PLM)
case 0xFF58: // Packet length, tile-part header (PLT)
case 0xFF64: // Comment (COM)
length = readUint16(data, position);
// skipping content
@ -721,7 +719,7 @@ var JpxImage = (function JpxImageClosure() {
r = 0;
c = 0;
p = 0;
this.nextPacket = function JpxImage_nextPacket() {
// Section B.12.1.3 Resolution-position-component-layer
for (; r <= maxDecompositionLevelsCount; r++) {
@ -805,7 +803,7 @@ var JpxImage = (function JpxImageClosure() {
var componentsCount = siz.Csiz;
var precinctsSizes = getPrecinctSizesInImageScale(tile);
var l = 0, r = 0, c = 0, px = 0, py = 0;
this.nextPacket = function JpxImage_nextPacket() {
// Section B.12.1.5 Component-position-resolution-layer
for (; c < componentsCount; ++c) {