Sakurai/pdf.js
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add limited support for setFill/StrokeColorSpace

Browse Source
This commit is contained in:
Julian Viereck 2011-09-06 10:45:27 -07:00
parent aa8699a334
commit 5c1262e13b
1 changed files with 163 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

177
pdf.js
View File

@ -4252,8 +4252,12 @@ var PartialEvaluator = (function() {
if ('Form' == type.name) {
// console.log("got xobj that is a Form");
args[0].raw = this.evalRaw(xobj, xref, xobj.dict.get('Resources'),
var raw = this.evalRaw(xobj, xref, xobj.dict.get('Resources'),
fonts, images, uniquePrefix);
var matrix = xobj.dict.get('Matrix');
var bbox = xobj.dict.get('BBox');
args = [raw, matrix, bbox];
fn = "paintReadyFormXObject";
}
if (xobj instanceof JpegStream) {
images.bind(xobj); // monitoring image load
@ -4288,10 +4292,10 @@ var PartialEvaluator = (function() {
fn = "paintReadyImageXObject";
args = [ imgData ];
console.log("xobj subtype image", w, h, imageObj.imageMask);
// console.log("xobj subtype image", w, h, imageObj.imageMask);
}
}
console.log("xobj subtype", xobj.dict.get('Subtype').name);
// console.log("xobj subtype", xobj.dict.get('Subtype').name);
}
} else if (cmd == 'Tf') { // eagerly collect all fonts
@ -4321,13 +4325,23 @@ var PartialEvaluator = (function() {
}
}
// var skips = ["paintXObject"];
//
// if (skips.indexOf(fn) != -1) {
// // console.log("skipping", fn);
// args = [];
// continue;
// }
// Transform some cmds.
switch (fn) {
// Parse the ColorSpace data to a raw format.
case "setFillColorSpace":
case "setStrokeColorSpace":
args = [ ColorSpace.parseRaw(args[0], xref, resources) ];
break;
}
var skips = [];
//var skips = ["setFillColorSpace", "setFillColor", "setStrokeColorSpace", "setStrokeColor"];
if (skips.indexOf(fn) != -1) {
// console.log("skipping", fn);
args = [];
continue;
}
fnArray.push(fn);
argsArray.push(args);
@ -5193,13 +5207,15 @@ var CanvasGraphics = (function() {
},
// Color
setStrokeColorSpace: function(space) {
setStrokeColorSpace: function(raw) {
this.current.strokeColorSpace =
ColorSpace.parse(space, this.xref, this.res);
ColorSpace.fromRaw(raw);
// ColorSpace.parse(space, this.xref, this.res);
},
setFillColorSpace: function(space) {
setFillColorSpace: function(raw) {
this.current.fillColorSpace =
ColorSpace.parse(space, this.xref, this.res);
ColorSpace.fromRaw(raw);
// ColorSpace.parse(space, this.xref, this.res);
},
setStrokeColor: function(/*...*/) {
var cs = this.current.strokeColorSpace;
@ -5354,6 +5370,25 @@ var CanvasGraphics = (function() {
malformed('Unknown XObject subtype ' + type.name);
}
},
paintReadyFormXObject: function(raw, matrix, bbox) {
this.save();
if (matrix && IsArray(matrix) && 6 == matrix.length)
this.transform.apply(this, matrix);
if (bbox && IsArray(bbox) && 4 == bbox.length) {
this.rectangle.apply(this, bbox);
this.clip();
this.endPath();
}
var code = this.pe.evalFromRaw(raw)
// this.execute(code, this.xref, stream.dict.get('Resources'));
this.execute(code, this.xref, null);
this.restore();
},
paintFormXObject: function(ref, stream) {
this.save();
@ -5627,6 +5662,120 @@ var ColorSpace = (function() {
}
return null;
};
constructor.fromRaw = function(raw) {
var name;
if (IsArray(raw)) {
name = raw[0];
} else {
name = raw;
}
switch (name) {
case "DeviceGrayCS":
return new DeviceGrayCS();
case "DeviceRgbCS":
return new DeviceRgbCS();
case "DeviceCmykCS":
return new DeviceCmykCS();
case "Pattern":
return new PatternCS(raw[1]);
default:
error("Unkown name " + name);
}
}
constructor.parseRaw = function colorspace_parse(cs, xref, res) {
if (IsName(cs)) {
var colorSpaces = res.get('ColorSpace');
if (IsDict(colorSpaces)) {
var refcs = colorSpaces.get(cs.name);
if (refcs)
cs = refcs;
}
}
cs = xref.fetchIfRef(cs);
if (IsName(cs)) {
var mode = cs.name;
this.mode = mode;
switch (mode) {
case 'DeviceGray':
case 'G':
return "DeviceGrayCS";
case 'DeviceRGB':
case 'RGB':
return "DeviceRgbCS";
case 'DeviceCMYK':
case 'CMYK':
return "DeviceCmykCS";
case 'Pattern':
return ["PatternCS", null];
default:
error('unrecognized colorspace ' + mode);
}
} else if (IsArray(cs)) {
var mode = cs[0].name;
this.mode = mode;
switch (mode) {
case 'DeviceGray':
case 'G':
return "DeviceGrayCS";
case 'DeviceRGB':
case 'RGB':
return "DeviceRgbCS";
case 'DeviceCMYK':
case 'CMYK':
return "DeviceCmykCS";
case 'CalGray':
return "DeviceGrayCS";
case 'CalRGB':
return "DeviceRgbCS";
case 'ICCBased':
var stream = xref.fetchIfRef(cs[1]);
var dict = stream.dict;
var numComps = dict.get('N');
if (numComps == 1)
return "DeviceGrayCS";
if (numComps == 3)
return "DeviceRgbCS";
if (numComps == 4)
return "DeviceCmykCS";
break;
case 'Pattern':
// TODO: IMPLEMENT ME
// var baseCS = cs[1];
// if (baseCS)
// baseCS = ColorSpace.parse(baseCS, xref, res);
// return new PatternCS(baseCS);
case 'Indexed':
// TODO: IMPLEMENT ME
// var base = ColorSpace.parse(cs[1], xref, res);
// var hiVal = cs[2] + 1;
// var lookup = xref.fetchIfRef(cs[3]);
// return new IndexedCS(base, hiVal, lookup);
case 'Separation':
// TODO: IMPLEMENT ME
// var name = cs[1];
// var alt = ColorSpace.parse(cs[2], xref, res);
// var tintFn = new PDFFunction(xref, xref.fetchIfRef(cs[3]));
// return new SeparationCS(alt, tintFn);
case 'Lab':
case 'DeviceN':
default:
error('unimplemented color space object "' + mode + '"');
}
} else {
error('unrecognized color space object: "' + cs + '"');
}
return null;
};
return constructor;
})();