wangtao
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  <pre class="prettyprint lang-js"><span id='Ext-fx-target-Sprite'>/**
</span> * @class Ext.fx.target.Sprite

 This class represents an animation target for a {@link Ext.draw.Sprite}. In general this class will not be
 created directly, the {@link Ext.draw.Sprite} will be passed to the animation and
 and the appropriate target will be created.

 * @markdown
 */

Ext.define('Ext.fx.target.Sprite', {

    /* Begin Definitions */

    extend: 'Ext.fx.target.Target',

    /* End Definitions */

    type: 'draw',

    getFromPrim: function (sprite, attr) {
        var obj;
        switch (attr) {
            case 'rotate':
            case 'rotation':
                obj = sprite.attr.rotation;
                return {
                    x: obj.x || 0,
                    y: obj.y || 0,
                    degrees: obj.degrees || 0
                };
            case 'scale':
            case 'scaling':
                obj = sprite.attr.scaling;
                return {
                    x: obj.x || 1,
                    y: obj.y || 1,
                    cx: obj.cx || 0,
                    cy: obj.cy || 0
                };
            case 'translate':
            case 'translation':
                obj = sprite.attr.translation;
                return {
                    x: obj.x || 0,
                    y: obj.y || 0
                };
            default:
                return sprite.attr[attr];
        }
    },

    getAttr: function (attr, val) {
        return [
            [this.target, val != undefined ? val : this.getFromPrim(this.target, attr)]
        ];
    },

    setAttr: function (targetData) {
        var ln = targetData.length,
            spriteArr = [],
            attrsConf, attr, attrArr, attrs, sprite, idx, value, i, j, x, y, ln2;
        for (i = 0; i &lt; ln; i++) {
            attrsConf = targetData[i].attrs;
            for (attr in attrsConf) {
                attrArr = attrsConf[attr];
                ln2 = attrArr.length;
                for (j = 0; j &lt; ln2; j++) {
                    sprite = attrArr[j][0];
                    attrs = attrArr[j][1];
                    if (attr === 'translate' || attr === 'translation') {
                        value = {
                            x: attrs.x,
                            y: attrs.y
                        };
                    }
                    else if (attr === 'rotate' || attr === 'rotation') {
                        x = attrs.x;
                        if (isNaN(x)) {
                            x = null;
                        }
                        y = attrs.y;
                        if (isNaN(y)) {
                            y = null;
                        }
                        value = {
                            degrees: attrs.degrees,
                            x: x,
                            y: y
                        };
                    } else if (attr === 'scale' || attr === 'scaling') {
                        x = attrs.x;
                        if (isNaN(x)) {
                            x = null;
                        }
                        y = attrs.y;
                        if (isNaN(y)) {
                            y = null;
                        }
                        value = {
                            x: x,
                            y: y,
                            cx: attrs.cx,
                            cy: attrs.cy
                        };
                    }
                    else if (attr === 'width' || attr === 'height' || attr === 'x' || attr === 'y') {
                        value = parseFloat(attrs);
                    }
                    else {
                        value = attrs;
                    }
                    idx = Ext.Array.indexOf(spriteArr, sprite);
                    if (idx == -1) {
                        spriteArr.push([sprite, {}]);
                        idx = spriteArr.length - 1;
                    }
                    spriteArr[idx][1][attr] = value;
                }
            }
        }
        ln = spriteArr.length;
        for (i = 0; i &lt; ln; i++) {
            spriteArr[i][0].setAttributes(spriteArr[i][1]);
        }
        this.target.redraw();
    }
});
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