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Shorten applyTransform().

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Jürg Lehni 2012-11-02 19:39:59 -07:00
parent 99a39bebc3
commit d600536390
1 changed files with 22 additions and 30 deletions
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52
src/svg/SvgImporter.js
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@ -328,48 +328,40 @@ var SvgImporter = this.SvgImporter = new function() {
* @param {Item} item a Paper.js item
*/
function applyTransform(svg, item) {
var transforms = svg.transform.baseVal;
var transform;
var matrix = new Matrix();
var transforms = svg.transform.baseVal,
matrix = new Matrix();
for (var i = 0, l = transforms.numberOfItems; i < l; i++) {
transform = transforms.getItem(i);
if (transform.type == SVGTransform.SVG_TRANSFORM_UNKNOWN) {
var transform = transforms.getItem(i);
if (transform.type == SVGTransform.SVG_TRANSFORM_UNKNOWN)
continue;
}
var transformMatrix = new Matrix(
transform.matrix.a,
transform.matrix.c,
transform.matrix.b,
transform.matrix.d,
transform.matrix.e,
transform.matrix.f
);
// Convert SVG Matrix to Paper Matrix.
// TODO: Should this be moved to our Matrix constructor?
var mx = transform.matrix,
a = mx.a,
b = mx.b,
c = mx.c,
d = mx.d;
switch (transform.type) {
case SVGTransform.SVG_TRANSFORM_TRANSLATE:
break;
case SVGTransform.SVG_TRANSFORM_SCALE:
break;
//Compensate for SVG's theta rotation going the opposite direction
// Compensate for SVG's theta rotation going the opposite direction
case SVGTransform.SVG_TRANSFORM_MATRIX:
var temp = transformMatrix.getShearX();
transformMatrix.setShearX(transformMatrix.getShearY());
transformMatrix.setShearY(temp);
var tmp = b;
b = c;
c = tmp;
break;
case SVGTransform.SVG_TRANSFORM_SKEWX:
transformMatrix.setShearX(transformMatrix.getShearY());
transformMatrix.setShearY(0);
b = c;
c = 0;
break;
case SVGTransform.SVG_TRANSFORM_SKEWY:
transformMatrix.setShearY(transformMatrix.getShearX());
transformMatrix.setShearX(0);
c = b;
b = 0;
break;
case SVGTransform.SVG_TRANSFORM_ROTATE:
transformMatrix.setShearX(-transformMatrix.getShearX());
transformMatrix.setShearY(-transformMatrix.getShearY());
b = -b;
c = -c;
break;
}
matrix.concatenate(transformMatrix);
matrix.concatenate(new Matrix(a, c, b, d, mx.e, mx.f));
}
item.transform(matrix);
}