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Move getting the Pattern from IR form out and make setStrokeColorN_IR work

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Julian Viereck 2011-09-07 13:38:52 -07:00
parent 9e3de8b339
commit 5543d6f448
1 changed files with 38 additions and 25 deletions
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63
pdf.js
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@ -4222,7 +4222,8 @@ var PartialEvaluator = (function() {
// TODO figure out how to type-check vararg functions
if ((cmd == 'SCN' || cmd == 'scn') && !args[args.length - 1].code) {
fn = "setFillColorN_IR";
// Use the IR version for setStroke/FillColorN.
fn += '_IR';
// compile tiling patterns
var patternName = args[args.length - 1];
@ -5276,6 +5277,41 @@ var CanvasGraphics = (function() {
this.setStrokeColor.apply(this, arguments);
}
},
getColorN_IR_Pattern: function(IR) {
if (IR[0] == "TilingPatternIR") {
// First, build the `color` var like it's done in the
// Pattern.prototype.parse function.
var base = cs.base;
var color;
if (base) {
var baseComps = base.numComps;
color = [];
for (var i = 0; i < baseComps; ++i)
color.push(args[i]);
color = base.getRgb(color);
}
// Build the pattern based on the IR data.
var pattern = new TilingPatternIR(IR, color, this.ctx);
} else if (IR[0] == "RadialAxialShading") {
var pattern = Pattern.shadingFromRaw(this.ctx, IR);
} else {
throw "Unkown IR type";
}
return pattern;
},
setStrokeColorN_IR: function(/*...*/) {
var cs = this.current.strokeColorSpace;
if (cs.name == 'Pattern') {
this.current.strokeColor = this.getColorN_IR_Pattern(arguments);
} else {
this.setStrokeColor.apply(this, arguments);
}
},
setFillColor: function(/*...*/) {
var cs = this.current.fillColorSpace;
var color = cs.getRgb(arguments);
@ -5297,30 +5333,7 @@ var CanvasGraphics = (function() {
var cs = this.current.fillColorSpace;
if (cs.name == 'Pattern') {
var IR = arguments;
if (IR[0] == "TilingPatternIR") {
// First, build the `color` var like it's done in the
// Pattern.prototype.parse function.
var base = cs.base;
var color;
if (base) {
var baseComps = base.numComps;
color = [];
for (var i = 0; i < baseComps; ++i)
color.push(args[i]);
color = base.getRgb(color);
}
// Build the pattern based on the IR data.
var pattern = new TilingPatternIR(IR, color, this.ctx);
} else if (IR[0] == "RadialAxialShading") {
var pattern = Pattern.shadingFromRaw(this.ctx, IR);
} else {
throw "Unkown IR type";
}
this.current.fillColor = pattern;
this.current.fillColor = this.getColorN_IR_Pattern(arguments);
} else {
this.setFillColor.apply(this, arguments);
}