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compiled code for tiling patterns

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sbarman 2011-08-02 12:32:37 -07:00
parent 0dcbbf6fc4
commit 157ee74940
1 changed files with 28 additions and 11 deletions
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pdf.js
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@ -2997,12 +2997,12 @@ var Page = (function() {
// Firefox error reporting from XHR callbacks. // Firefox error reporting from XHR callbacks.
setTimeout(function () { setTimeout(function () {
var exc = null; var exc = null;
try { // try {
self.display(gfx); self.display(gfx);
stats.render = Date.now(); stats.render = Date.now();
} catch (e) { // } catch (e) {
exc = e.toString(); // exc = e.toString();
} // }
continuation(exc); continuation(exc);
}); });
}); });
@ -3571,6 +3571,7 @@ var PartialEvaluator = (function() {
eval: function(stream, xref, resources, fonts) { eval: function(stream, xref, resources, fonts) {
resources = xref.fetchIfRef(resources) || new Dict(); resources = xref.fetchIfRef(resources) || new Dict();
var xobjs = xref.fetchIfRef(resources.get('XObject')) || new Dict(); var xobjs = xref.fetchIfRef(resources.get('XObject')) || new Dict();
var patterns = xref.fetchIfRef(resources.get("Pattern")) || new Dict();
var parser = new Parser(new Lexer(stream), false); var parser = new Parser(new Lexer(stream), false);
var args = [], argsArray = [], fnArray = [], obj; var args = [], argsArray = [], fnArray = [], obj;
@ -3581,7 +3582,23 @@ var PartialEvaluator = (function() {
assertWellFormed(fn, "Unknown command '" + cmd + "'"); assertWellFormed(fn, "Unknown command '" + cmd + "'");
// TODO figure out how to type-check vararg functions // TODO figure out how to type-check vararg functions
if (cmd == 'Do' && !args[0].code) { // eagerly compile XForm objects if ((cmd == 'SCN' || cmd == 'scn') && !args[args.length - 1].code) {
// compile tiling patterns
var patternName = args[args.length - 1];
// SCN/scn applies patterns along with normal colors
if (IsName(patternName)) {
var pattern = xref.fetchIfRef(patterns.get(patternName.name));
if (pattern) {
var dict = IsStream(pattern) ? pattern.dict : pattern;
var typeNum = dict.get("PatternType");
if (typeNum == 1) {
patternName.code = this.eval(pattern, xref,
dict.get('Resources'), fonts);
}
}
}
} else if (cmd == 'Do' && !args[0].code) {
// eagerly compile XForm objects
var name = args[0].name; var name = args[0].name;
var xobj = xobjs.get(name); var xobj = xobjs.get(name);
if (xobj) { if (xobj) {
@ -3595,7 +3612,8 @@ var PartialEvaluator = (function() {
); );
if ('Form' == type.name) { if ('Form' == type.name) {
args[0].code = this.eval(xobj, xref, xobj.dict.get('Resources'), fonts); args[0].code = this.eval(xobj, xref, xobj.dict.get('Resources'),
fonts);
} }
} }
} else if (cmd == 'Tf') { // eagerly collect all fonts } else if (cmd == 'Tf') { // eagerly collect all fonts
@ -4984,7 +5002,8 @@ var Pattern = (function() {
color = base.getRgb(color); color = base.getRgb(color);
} }
return new TilingPattern(pattern, dict, color, xref, ctx); var code = patternName.code;
return new TilingPattern(pattern, code, dict, color, xref, ctx);
case 2: case 2:
var shading = xref.fetchIfRef(dict.get('Shading')); var shading = xref.fetchIfRef(dict.get('Shading'));
var matrix = dict.get('Matrix'); var matrix = dict.get('Matrix');
@ -5136,7 +5155,7 @@ var RadialAxialShading = (function() {
var TilingPattern = (function() { var TilingPattern = (function() {
var PAINT_TYPE_COLORED = 1, PAINT_TYPE_UNCOLORED = 2; var PAINT_TYPE_COLORED = 1, PAINT_TYPE_UNCOLORED = 2;
function constructor(pattern, dict, color, xref, ctx) { function constructor(pattern, code, dict, color, xref, ctx) {
function multiply(m, tm) { function multiply(m, tm) {
var a = m[0] * tm[0] + m[1] * tm[2]; var a = m[0] * tm[0] + m[1] * tm[2];
var b = m[0] * tm[1] + m[1] * tm[3]; var b = m[0] * tm[1] + m[1] * tm[3];
@ -5214,9 +5233,7 @@ var TilingPattern = (function() {
} }
var res = xref.fetchIfRef(dict.get('Resources')); var res = xref.fetchIfRef(dict.get('Resources'));
if (!pattern.code) graphics.execute(code, xref, res);
pattern.code = graphics.compile(pattern, xref, res, []);
graphics.execute(pattern.code, xref, res);
this.canvas = tmpCanvas; this.canvas = tmpCanvas;
}; };