mirrors/pdf.js
1
0
Fork 0
mirror of https://github.com/mozilla/pdf.js.git synced 2025-04-22 16:18:08 +02:00
Code Activity

Fixes function array support for radial/axial pattern

Browse source
This commit is contained in:
Yury Delendik 2012-11-24 15:13:13 -06:00
parent 80f8f51b8d
commit 2c87a6467b
3 changed files with 32 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

28
src/pattern.js
View file

@ -115,11 +115,29 @@ Shadings.RadialAxial = (function RadialAxialClosure() {
this.extendEnd = extendEnd;
var fnObj = dict.get('Function');
if (isArray(fnObj))
error('No support for array of functions');
if (!isPDFFunction(fnObj))
error('Invalid function');
var fn = PDFFunction.parse(xref, fnObj);
var fn;
if (isArray(fnObj)) {
var fnArray = [];
for (var j = 0, jj = fnObj.length; j < jj; j++) {
var obj = xref.fetchIfRef(fnObj[j]);
if (!isPDFFunction(obj)) {
error('Invalid function');
}
fnArray.push(PDFFunction.parse(xref, obj));
}
fn = function radialAxialColorFunction(arg) {
var out = [];
for (var i = 0, ii = fnArray.length; i < ii; i++) {
out.push(fnArray[i](arg)[0]);
}
return out;
};
} else {
if (!isPDFFunction(fnObj)) {
error('Invalid function');
}
fn = PDFFunction.parse(xref, fnObj);
}
// 10 samples seems good enough for now, but probably won't work
// if there are sharp color changes. Ideally, we would implement