73 lines
1.7 KiB
JavaScript
73 lines
1.7 KiB
JavaScript
SVG.Image = SVG.invent({
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// Initialize node
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create: 'image'
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// Inherit from
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, inherit: SVG.Shape
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// Add class methods
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, extend: {
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// (re)load image
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load: function(url) {
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if (!url) return this
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var self = this
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, img = new window.Image()
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// preload image
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SVG.on(img, 'load', function() {
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SVG.off(img)
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var p = self.parent(SVG.Pattern)
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if(p === null) return
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// ensure image size
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if (self.width() == 0 && self.height() == 0)
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self.size(img.width, img.height)
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// ensure pattern size if not set
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if (p && p.width() == 0 && p.height() == 0)
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p.size(self.width(), self.height())
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// callback
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if (typeof self._loaded === 'function')
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self._loaded.call(self, {
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width: img.width
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, height: img.height
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, ratio: img.width / img.height
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, url: url
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})
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})
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SVG.on(img, 'error', function(e){
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SVG.off(img)
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if (typeof self._error === 'function'){
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self._error.call(self, e)
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}
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})
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return this.attr('href', (img.src = this.src = url), SVG.xlink)
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}
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// Add loaded callback
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, loaded: function(loaded) {
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this._loaded = loaded
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return this
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}
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, error: function(error) {
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this._error = error
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return this
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}
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}
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// Add parent method
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, construct: {
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// create image element, load image and set its size
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image: function(source, width, height) {
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return this.put(new SVG.Image).load(source).size(width || 0, height || width || 0)
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}
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}
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}) |