yetangitu/pdf.js
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Merge upstream

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This commit is contained in:
Brendan Dahl 2011-10-31 08:51:45 -07:00
commit 3592baf39c
23 changed files with 213 additions and 93 deletions
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src/canvas.js
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@ -1,8 +1,11 @@
// <canvas> contexts store most of the state we need natively.
// However, PDF needs a bit more state, which we store here.
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
'use strict';
// <canvas> contexts store most of the state we need natively.
// However, PDF needs a bit more state, which we store here.
var CanvasExtraState = (function canvasExtraState() {
function constructor(old) {
// Are soft masks and alpha values shapes or opacities?
@ -21,7 +24,9 @@ var CanvasExtraState = (function canvasExtraState() {
this.wordSpacing = 0;
this.textHScale = 1;
// Color spaces
this.fillColorSpace = new DeviceGrayCS;
this.fillColorSpaceObj = null;
this.strokeColorSpace = new DeviceGrayCS;
this.strokeColorSpaceObj = null;
this.fillColorObj = null;
this.strokeColorObj = null;
@ -325,10 +330,12 @@ var CanvasGraphics = (function canvasGraphics() {
this.restoreFillRule(savedFillRule);
},
closeFillStroke: function canvasGraphicsCloseFillStroke() {
return this.fillStroke();
this.closePath();
this.fillStroke();
},
closeEOFillStroke: function canvasGraphicsCloseEOFillStroke() {
var savedFillRule = this.setEOFillRule();
this.closePath();
this.fillStroke();
this.restoreFillRule(savedFillRule);
},
@ -530,8 +537,7 @@ var CanvasGraphics = (function canvasGraphics() {
},
// Color
setStrokeColorSpace:
function canvasGraphicsSetStrokeColorSpacefunction(raw) {
setStrokeColorSpace: function canvasGraphicsSetStrokeColorSpace(raw) {
this.current.strokeColorSpace = ColorSpace.fromIR(raw);
},
setFillColorSpace: function canvasGraphicsSetFillColorSpace(raw) {
@ -542,7 +548,7 @@ var CanvasGraphics = (function canvasGraphics() {
var color = cs.getRgb(arguments);
this.setStrokeRGBColor.apply(this, color);
},
getColorN_IR_Pattern: function(IR, cs) {
getColorN_IR_Pattern: function canvasGraphicsGetColorN_IR_Pattern(IR, cs) {
if (IR[0] == 'TilingPattern') {
var args = IR[1];
var base = cs.base;
@ -658,8 +664,8 @@ var CanvasGraphics = (function canvasGraphics() {
error('Should not call beginImageData');
},
paintFormXObjectBegin:
function canvasGraphicsPaintFormXObject(matrix, bbox) {
paintFormXObjectBegin: function canvasGraphicsPaintFormXObjectBegin(matrix,
bbox) {
this.save();
if (matrix && isArray(matrix) && 6 == matrix.length)
@ -674,11 +680,11 @@ var CanvasGraphics = (function canvasGraphics() {
}
},
paintFormXObjectEnd: function() {
paintFormXObjectEnd: function canvasGraphicsPaintFormXObjectEnd() {
this.restore();
},
paintJpegXObject: function(objId, w, h) {
paintJpegXObject: function canvasGraphicsPaintJpegXObject(objId, w, h) {
var image = this.objs.get(objId);
if (!image) {
error('Dependent image isn\'t ready yet');
@ -697,7 +703,8 @@ var CanvasGraphics = (function canvasGraphics() {
this.restore();
},
paintImageMaskXObject: function(imgArray, inverseDecode, width, height) {
paintImageMaskXObject: function canvasGraphicsPaintImageMaskXObject(
imgArray, inverseDecode, width, height) {
function applyStencilMask(buffer, inverseDecode) {
var imgArrayPos = 0;
var i, j, mask, buf;
@ -745,7 +752,7 @@ var CanvasGraphics = (function canvasGraphics() {
this.restore();
},
paintImageXObject: function(imgData) {
paintImageXObject: function canvasGraphicsPaintImageXObject(imgData) {
this.save();
var ctx = this.ctx;
var w = imgData.width;
@ -834,3 +841,4 @@ var CanvasGraphics = (function canvasGraphics() {
return constructor;
})();