Sakurai/pdf.js
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Add some comments + fix getColorN_IR_Pattern

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This commit is contained in:
Julian Viereck 2011-09-07 13:42:38 -07:00
parent 5543d6f448
commit 5bfa9e4f3b
1 changed files with 9 additions and 8 deletions

17
pdf.js

@ -4234,21 +4234,22 @@ var PartialEvaluator = (function() {
var dict = IsStream(pattern) ? pattern.dict : pattern; var dict = IsStream(pattern) ? pattern.dict : pattern;
var typeNum = dict.get('PatternType'); var typeNum = dict.get('PatternType');
// Type1 is TilingPattern, Type2 is ShadingPattern. // Type1 is TilingPattern
if (typeNum == 1) { if (typeNum == 1) {
// Create an IR of the pattern code. // Create an IR of the pattern code.
var codeIR = this.evalRaw(pattern, xref, var codeIR = this.evalRaw(pattern, xref,
dict.get('Resources'), fonts); dict.get('Resources'), fonts);
args = TilingPattern.getIR(codeIR, dict); args = TilingPattern.getIR(codeIR, dict);
}
//patternName.code = this.evalRaw(pattern, xref, // Type2 is ShadingPattern.
// dict.get('Resources'), fonts); else if (typeNum == 2) {
} else {
var shading = xref.fetchIfRef(dict.get('Shading')); var shading = xref.fetchIfRef(dict.get('Shading'));
var matrix = dict.get('Matrix'); var matrix = dict.get('Matrix');
var pattern = Pattern.parseShading(shading, matrix, xref, res, null /*ctx*/); var pattern = Pattern.parseShading(shading, matrix, xref, res, null /*ctx*/);
args = pattern.getPatternRaw(); args = pattern.getPatternRaw();
} else {
error("Unkown PatternType " + typeNum);
} }
} }
} }
@ -5277,7 +5278,7 @@ var CanvasGraphics = (function() {
this.setStrokeColor.apply(this, arguments); this.setStrokeColor.apply(this, arguments);
} }
}, },
getColorN_IR_Pattern: function(IR) { getColorN_IR_Pattern: function(IR, cs) {
if (IR[0] == "TilingPatternIR") { if (IR[0] == "TilingPatternIR") {
// First, build the `color` var like it's done in the // First, build the `color` var like it's done in the
// Pattern.prototype.parse function. // Pattern.prototype.parse function.
@ -5306,7 +5307,7 @@ var CanvasGraphics = (function() {
var cs = this.current.strokeColorSpace; var cs = this.current.strokeColorSpace;
if (cs.name == 'Pattern') { if (cs.name == 'Pattern') {
this.current.strokeColor = this.getColorN_IR_Pattern(arguments); this.current.strokeColor = this.getColorN_IR_Pattern(arguments, cs);
} else { } else {
this.setStrokeColor.apply(this, arguments); this.setStrokeColor.apply(this, arguments);
} }
@ -5333,7 +5334,7 @@ var CanvasGraphics = (function() {
var cs = this.current.fillColorSpace; var cs = this.current.fillColorSpace;
if (cs.name == 'Pattern') { if (cs.name == 'Pattern') {
this.current.fillColor = this.getColorN_IR_Pattern(arguments); this.current.fillColor = this.getColorN_IR_Pattern(arguments, cs);
} else { } else {
this.setFillColor.apply(this, arguments); this.setFillColor.apply(this, arguments);
} }