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6:\n/***/ function(module, exports, __webpack_require__) {\n\n\tvar __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/**\n\t * Mega pixel image rendering library for iOS6 Safari\n\t *\n\t * Fixes iOS6 Safari's image file rendering issue for large size image (over mega-pixel),\n\t * which causes unexpected subsampling when drawing it in canvas.\n\t * By using this library, you can safely render the image with proper stretching.\n\t *\n\t * Copyright (c) 2012 Shinichi Tomita <shinichi.tomita@gmail.com>\n\t * Released under the MIT license\n\t */\n\t(function () {\n\t\n\t    /**\n\t     * Detect subsampling in loaded image.\n\t     * In iOS, larger images than 2M pixels may be subsampled in rendering.\n\t     */\n\t    function detectSubsampling (img) {\n\t        var iw = img.naturalWidth, ih = img.naturalHeight;\n\t        if (iw * ih > 1024 * 1024) { // subsampling may happen over megapixel image\n\t            var canvas   = document.createElement('canvas');\n\t            canvas.width = canvas.height = 1;\n\t            var ctx = canvas.getContext('2d');\n\t            ctx.drawImage(img, -iw + 1, 0);\n\t            // subsampled image becomes half smaller in rendering size.\n\t            // check alpha channel value to confirm image is covering edge pixel or not.\n\t            // if alpha value is 0 image is not covering, hence subsampled.\n\t            return ctx.getImageData(0, 0, 1, 1).data[3] === 0;\n\t        } else {\n\t            return false;\n\t        }\n\t    }\n\t\n\t    /**\n\t     * Detecting vertical squash in loaded image.\n\t     * Fixes a bug which squash image vertically while drawing into canvas for some images.\n\t     */\n\t    function detectVerticalSquash (img, iw, ih) {\n\t        var canvas    = document.createElement('canvas');\n\t        canvas.width  = 1;\n\t        canvas.height = ih;\n\t        var ctx       = canvas.getContext('2d');\n\t        ctx.drawImage(img, 0, 0);\n\t        var data      = ctx.getImageData(0, 0, 1, ih).data;\n\t        // search image edge pixel position in case it is squashed vertically.\n\t        var sy = 0;\n\t        var ey = ih;\n\t        var py = ih;\n\t        while (py > sy) {\n\t            var alpha = data[(py - 1) * 4 + 3];\n\t            if (alpha === 0) {\n\t                ey = py;\n\t            } else {\n\t                sy = py;\n\t            }\n\t            py = (ey + sy) >> 1;\n\t        }\n\t        var ratio = (py / ih);\n\t        return (ratio === 0) ? 1 : ratio;\n\t    }\n\t\n\t    /**\n\t     * Rendering image element (with resizing) and get its data URL\n\t     */\n\t    function renderImageToDataURL (img, options, doSquash) {\n\t        var canvas = document.createElement('canvas');\n\t        renderImageToCanvas(img, canvas, options, doSquash);\n\t        return canvas.toDataURL(\"image/jpeg\", options.quality || 0.8);\n\t    }\n\t\n\t    /**\n\t     * Rendering image element (with resizing) into the canvas element\n\t     */\n\t    function renderImageToCanvas (img, canvas, options, doSquash) {\n\t        var iw         = img.naturalWidth, ih = img.naturalHeight;\n\t        var width      = options.width, height = options.height;\n\t        var ctx        = canvas.getContext('2d');\n\t        ctx.save();\n\t        transformCoordinate(canvas, ctx, width, height, options.orientation);\n\t        var subsampled = detectSubsampling(img);\n\t        if (subsampled) {\n\t            iw /= 2;\n\t            ih /= 2;\n\t        }\n\t        var d = 1024; // size of tiling canvas\n\t        var tmpCanvas   = document.createElement('canvas');\n\t        tmpCanvas.width = tmpCanvas.height = d;\n\t        var tmpCtx          = tmpCanvas.getContext('2d');\n\t        var vertSquashRatio = doSquash ? detectVerticalSquash(img, iw, ih) : 1;\n\t        var dw              = Math.ceil(d * width / iw);\n\t        var dh              = Math.ceil(d * height / ih / vertSquashRatio);\n\t        var sy              = 0;\n\t        var dy         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-height);\n\t                break;\n\t            case 7:\n\t                // horizontal flip + 90 rotate right\n\t                ctx.rotate(0.5 * Math.PI);\n\t                ctx.translate(width, -height);\n\t                ctx.scale(-1, 1);\n\t                break;\n\t            case 8:\n\t                // 90 rotate left\n\t                ctx.rotate(-0.5 * Math.PI);\n\t                ctx.translate(-width, 0);\n\t                break;\n\t            default:\n\t                break;\n\t        }\n\t    }\n\t\n\t\n\t    /**\n\t     * MegaPixImage class\n\t     */\n\t    function MegaPixImage (srcImage) {\n\t        if (window.Blob && srcImage instanceof Blob) {\n\t            var img = new Image();\n\t            var URL = window.URL && window.URL.createObjectURL ? window.URL :\n\t                window.webkitURL && window.webkitURL.createObjectURL ? window.webkitURL :\n\t                    null;\n\t            if (!URL) {\n\t                throw Error(\"No createObjectURL function found to create blob url\");\n\t            }\n\t            img.src   = URL.createObjectURL(srcImage);\n\t            this.blob = srcImage;\n\t            srcImage  = img;\n\t        }\n\t        if (!srcImage.naturalWidth && !srcImage.naturalHeight) {\n\t            var _this               = this;\n\t            srcImage.onload         = function () {\n\t                var listeners = _this.imageLoadListeners;\n\t                if (listeners) {\n\t                    _this.imageLoadListeners = null;\n\t                    for (var i = 0, len = listeners.length; i < len; i++) {\n\t                        listeners[i]();\n\t                    }\n\t                }\n\t            };\n\t            this.imageLoadListeners = [];\n\t        }\n\t        this.srcImage = srcImage;\n\t    }\n\t\n\t    /**\n\t     * Rendering megapix image into specified target element\n\t     */\n\t    MegaPixImage.prototype.render = function (target, options, callback) {\n\t      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this.onrender(target);\n\t        }\n\t        if (callback) {\n\t            callback();\n\t        }\n\t    };\n\t\n\t    /**\n\t     * Export class to global\n\t     */\n\t    if (true) {\n\t        !(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_RESULT__ = function () {\n\t            return MegaPixImage;\n\t        }.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)); // for AMD loader\n\t    } else {\n\t        this.MegaPixImage = MegaPixImage;\n\t    }\n\t\n\t})();\n\n\n/***/ }\n\n});\n\n\n/** WEBPACK FOOTER **\n ** 1.chunk.js\n **/","null\n\n\n/** WEBPACK FOOTER **\n ** src/lib/megapix-image.js\n **/"],"sourceRoot":""}