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Paint patterns relative to content base transformation.

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This commit is contained in:
Brendan Dahl 2013-07-22 14:52:44 -07:00
parent c682c25bcf
commit 2aecbe874e
4 changed files with 22 additions and 5 deletions
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9
src/pattern.js
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@ -271,7 +271,7 @@ var TilingPattern = (function TilingPatternClosure() {
var MAX_PATTERN_SIZE = 8192;
function TilingPattern(IR, color, ctx, objs, commonObjs) {
function TilingPattern(IR, color, ctx, objs, commonObjs, baseTransform) {
this.name = IR[1][0].name;
this.operatorList = IR[2];
this.matrix = IR[3] || [1, 0, 0, 1, 0, 0];
@ -283,7 +283,7 @@ var TilingPattern = (function TilingPatternClosure() {
this.color = color;
this.objs = objs;
this.commonObjs = commonObjs;
this.curMatrix = ctx.mozCurrentTransform;
this.baseTransform = baseTransform;
this.type = 'Pattern';
this.ctx = ctx;
}
@ -328,7 +328,8 @@ var TilingPattern = (function TilingPatternClosure() {
// Obtain scale from matrix and current transformation matrix.
var matrixScale = Util.singularValueDecompose2dScale(this.matrix);
var curMatrixScale = Util.singularValueDecompose2dScale(this.curMatrix);
var curMatrixScale = Util.singularValueDecompose2dScale(
this.baseTransform);
var combinedScale = [matrixScale[0] * curMatrixScale[0],
matrixScale[1] * curMatrixScale[1]];
@ -412,7 +413,7 @@ var TilingPattern = (function TilingPatternClosure() {
this.createPatternCanvas(temporaryPatternCanvas);
var ctx = this.ctx;
ctx.setTransform.apply(ctx, this.curMatrix);
ctx.setTransform.apply(ctx, this.baseTransform);
ctx.transform.apply(ctx, this.matrix);
this.scaleToContext();