| 1 | define(["./_base","dojo/_base/lang", "dojo/_base/sniff", "dojo/_base/window", "dojo/_base/config"], |
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| 2 | function(g, lang, has, win, config){ |
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| 3 | //>> noBuildResolver |
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| 4 | /*===== |
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| 5 | dojox.gfx.renderer = { |
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| 6 | // summary: |
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| 7 | // This module is an AMD loader plugin that loads the appropriate graphics renderer |
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| 8 | // implementation based on detected environment and current configuration settings. |
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| 9 | }; |
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| 10 | =====*/ |
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| 11 | var currentRenderer = null; |
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| 12 | return { |
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| 13 | load: function(id, require, load){ |
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| 14 | if(currentRenderer && id != "force"){ |
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| 15 | load(currentRenderer); |
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| 16 | return; |
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| 17 | } |
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| 18 | var renderer = config.forceGfxRenderer, |
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| 19 | renderers = !renderer && (lang.isString(config.gfxRenderer) ? |
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| 20 | config.gfxRenderer : "svg,vml,canvas,silverlight").split(","), |
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| 21 | silverlightObject, silverlightFlag; |
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| 22 | |
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| 23 | while(!renderer && renderers.length){ |
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| 24 | switch(renderers.shift()){ |
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| 25 | case "svg": |
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| 26 | // the next test is from https://github.com/phiggins42/has.js |
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| 27 | if("SVGAngle" in win.global){ |
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| 28 | renderer = "svg"; |
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| 29 | } |
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| 30 | break; |
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| 31 | case "vml": |
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| 32 | if(has("ie")){ |
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| 33 | renderer = "vml"; |
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| 34 | } |
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| 35 | break; |
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| 36 | case "silverlight": |
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| 37 | try{ |
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| 38 | if(has("ie")){ |
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| 39 | silverlightObject = new ActiveXObject("AgControl.AgControl"); |
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| 40 | if(silverlightObject && silverlightObject.IsVersionSupported("1.0")){ |
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| 41 | silverlightFlag = true; |
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| 42 | } |
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| 43 | }else{ |
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| 44 | if(navigator.plugins["Silverlight Plug-In"]){ |
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| 45 | silverlightFlag = true; |
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| 46 | } |
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| 47 | } |
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| 48 | }catch(e){ |
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| 49 | silverlightFlag = false; |
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| 50 | }finally{ |
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| 51 | silverlightObject = null; |
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| 52 | } |
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| 53 | if(silverlightFlag){ |
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| 54 | renderer = "silverlight"; |
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| 55 | } |
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| 56 | break; |
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| 57 | case "canvas": |
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| 58 | if(win.global.CanvasRenderingContext2D){ |
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| 59 | renderer = "canvas"; |
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| 60 | } |
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| 61 | break; |
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| 62 | } |
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| 63 | } |
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| 64 | |
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| 65 | if (renderer === 'canvas' && config.canvasEvents !== false) { |
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| 66 | renderer = "canvasWithEvents"; |
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| 67 | } |
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| 68 | |
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| 69 | if(config.isDebug){ |
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| 70 | console.log("gfx renderer = " + renderer); |
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| 71 | } |
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| 72 | |
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| 73 | function loadRenderer(){ |
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| 74 | require(["dojox/gfx/" + renderer], function(module){ |
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| 75 | g.renderer = renderer; |
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| 76 | // memorize the renderer module |
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| 77 | currentRenderer = module; |
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| 78 | // now load it |
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| 79 | load(module); |
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| 80 | }); |
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| 81 | } |
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| 82 | if(renderer == "svg" && typeof window.svgweb != "undefined"){ |
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| 83 | window.svgweb.addOnLoad(loadRenderer); |
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| 84 | }else{ |
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| 85 | loadRenderer(); |
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| 86 | } |
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| 87 | } |
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| 88 | }; |
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| 89 | }); |
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