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Fixes #1155

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This commit is contained in:
Artur Adib 2012-02-14 14:48:58 -05:00
parent e00aa8e90b
commit 048e40b869
2 changed files with 75 additions and 9 deletions
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28
src/core.js
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@ -104,23 +104,33 @@ var Page = (function PageClosure() {
return shadow(this, 'mediaBox', obj);
},
get view() {
var obj = this.inheritPageProp('CropBox');
var cropBox = this.inheritPageProp('CropBox');
var view = {
x: 0,
y: 0,
width: this.width,
height: this.height
};
if (!isArray(cropBox) || cropBox.length !== 4)
return shadow(this, 'cropBox', view);
var mediaBox = this.mediaBox;
var offsetX = mediaBox[0], offsetY = mediaBox[1];
if (isArray(obj) && obj.length == 4) {
var tl = this.rotatePoint(obj[0] - offsetX, obj[1] - offsetY);
var br = this.rotatePoint(obj[2] - offsetX, obj[3] - offsetY);
view.x = Math.min(tl.x, br.x);
view.y = Math.min(tl.y, br.y);
view.width = Math.abs(tl.x - br.x);
view.height = Math.abs(tl.y - br.y);
}
// From the spec, 6th ed., p.963:
// "The crop, bleed, trim, and art boxes should not ordinarily
// extend beyond the boundaries of the media box. If they do, they are
// effectively reduced to their intersection with the media box."
cropBox = Util.intersect(cropBox, mediaBox);
if (!cropBox)
return shadow(this, 'cropBox', view);
var tl = this.rotatePoint(cropBox[0] - offsetX, cropBox[1] - offsetY);
var br = this.rotatePoint(cropBox[2] - offsetX, cropBox[3] - offsetY);
view.x = Math.min(tl.x, br.x);
view.y = Math.min(tl.y, br.y);
view.width = Math.abs(tl.x - br.x);
view.height = Math.abs(tl.y - br.y);
return shadow(this, 'cropBox', view);
},