mirror of https://gitee.com/karson/fastadmin.git
96 lines
2.7 KiB
JavaScript
96 lines
2.7 KiB
JavaScript
// Jcrop static functions
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$.extend(Jcrop,{
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component: { },
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filter: { },
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stage: { },
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registerComponent: function(name,component){
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Jcrop.component[name] = component;
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},
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registerFilter: function(name,filter){
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Jcrop.filter[name] = filter;
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},
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registerStageType: function(name,stage){
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Jcrop.stage[name] = stage;
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},
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// attach: function(element,opt){{{
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attach: function(element,opt){
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var obj = new $.Jcrop(element,opt);
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return obj;
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},
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// }}}
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// imgCopy: function(imgel){{{
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imgCopy: function(imgel){
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var img = new Image;
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img.src = imgel.src;
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return img;
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},
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// }}}
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// imageClone: function(imgel){{{
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imageClone: function(imgel){
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return $.Jcrop.supportsCanvas?
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Jcrop.canvasClone(imgel):
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Jcrop.imgCopy(imgel);
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},
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// }}}
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// canvasClone: function(imgel){{{
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canvasClone: function(imgel){
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var canvas = document.createElement('canvas'),
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ctx = canvas.getContext('2d');
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$(canvas).width(imgel.width).height(imgel.height),
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canvas.width = imgel.naturalWidth;
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canvas.height = imgel.naturalHeight;
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ctx.drawImage(imgel,0,0,imgel.naturalWidth,imgel.naturalHeight);
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return canvas;
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},
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// }}}
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// propagate: function(plist,config,obj){{{
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propagate: function(plist,config,obj){
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for(var i=0,l=plist.length;i<l;i++)
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if (config.hasOwnProperty(plist[i]))
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obj[plist[i]] = config[plist[i]];
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},
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// }}}
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// getLargestBox: function(ratio,w,h){{{
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getLargestBox: function(ratio,w,h){
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if ((w/h) > ratio)
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return [ h * ratio, h ];
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else return [ w, w / ratio ];
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},
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// }}}
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// stageConstructor: function(el,options,callback){{{
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stageConstructor: function(el,options,callback){
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// Get a priority-ordered list of available stages
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var stages = [];
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$.each(Jcrop.stage,function(i,e){
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stages.push(e);
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});
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stages.sort(function(a,b){ return a.priority - b.priority; });
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// Find the first one that supports this element
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for(var i=0,l=stages.length;i<l;i++){
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if (stages[i].isSupported(el,options)){
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stages[i].create(el,options,function(obj,opt){
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if (typeof callback == 'function') callback(obj,opt);
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});
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break;
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}
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}
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},
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// }}}
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// supportsColorFade: function(){{{
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supportsColorFade: function(){
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return $.fx.step.hasOwnProperty('backgroundColor');
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},
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// }}}
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// wrapFromXywh: function(xywh){{{
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wrapFromXywh: function(xywh){
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var b = { x: xywh[0], y: xywh[1], w: xywh[2], h: xywh[3] };
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b.x2 = b.x + b.w;
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b.y2 = b.y + b.h;
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return b;
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}
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// }}}
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});
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