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Support DocumentView in Group#draw.

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This commit is contained in:
Jonathan Puckey 2011-02-28 18:35:12 +01:00
parent fe9853852a
commit 0e011dee2a
1 changed files with 11 additions and 2 deletions
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13
src/item/Group.js
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@ -18,7 +18,7 @@ Group = Item.extend({
// temporary canvas, and then draw that canvas onto ctx afterwards
// with globalAlpha set.
var tempCanvas, originalCtx;
if(this.blendMode != 'normal' && !param.ignoreBlendMode) {
if (this.blendMode != 'normal' && !param.ignoreBlendMode) {
BlendMode.process(ctx, this, param);
} else {
param.ignoreBlendMode = false;
@ -27,6 +27,8 @@ Group = Item.extend({
// TODO: use strokeBounds for this, when implemented:
tempCanvas = CanvasProvider.getCanvas(this.document.size);
ctx = tempCanvas.getContext('2d');
ctx.save();
this.document.activeView.matrix.applyToContext(ctx);
}
for (var i = 0, l = this.children.length; i < l; i++) {
this.children[i].draw(ctx, param);
@ -34,11 +36,18 @@ Group = Item.extend({
ctx.clip();
}
if (tempCanvas) {
// restore the activeView.matrix transformation,
// so we can draw the image without transformation.
originalCtx.restore();
originalCtx.save();
originalCtx.globalAlpha = this.opacity;
originalCtx.drawImage(tempCanvas, 0, 0);
originalCtx.restore();
// Return the canvas, so it can be reused
// apply the view transformation again.
this.document.activeView.matrix.applyToContext(ctx);
// Restore the state of the temp canvas:
ctx.restore();
// Return the temp canvas, so it can be reused
CanvasProvider.returnCanvas(tempCanvas);
}
}