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Add uniScaleTransform and centerTransform parameters to canvas, which control how objects are transformed

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This commit is contained in:
kangax 2012-12-15 17:13:40 +01:00
parent fcfe5052f8
commit 4bcc0bd80f
1 changed files with 16 additions and 2 deletions
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18
src/canvas.class.js
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@ -48,6 +48,20 @@
var InteractiveMethods = /** @scope fabric.Canvas.prototype */ {
/**
* When true, objects can be transformed by one side (unproportionally)
* @property
* @type Boolean
*/
uniScaleTransform: false,
/**
* When true, objects use center point as the origin of transformation
* @property
* @type Boolean
*/
centerTransform: false,
/**
* Indicates that canvas is interactive. This property should not be changed.
* @property
@ -513,7 +527,7 @@
// this._currentTransform.target.fire('scaling');
// }
if (e.shiftKey) {
if (e.shiftKey || this.uniScaleTransform) {
this._currentTransform.currentAction = 'scale';
this._scaleObject(x, y);
}
@ -584,7 +598,7 @@
t.target.set('left', t.original.left);
t.target.set('top', t.original.top);
if (e.altKey) {
if (e.altKey || this.centerTransform) {
if (t.originX !== 'center') {
if (t.originX === 'right') {
t.mouseXSign = -1;