php/www/js/o2o/jq-signature.min.js

/*! jq-signature.min.js, v1.0.0, minified 2015-05-25 */
!function (a, b, c) {
    var w;
    // w=$('windows').width();

    w=$(window).width();
    var h;
    h=$(window).height();
    h=h-(h*0.07);

    // h=$('windows').height();
    "use strict";
    function d(a, b) {
        this.element = a, this.$element = c(this.element), this.canvas = !1, this.$canvas = !1, this.ctx = !1, this.drawing = !1, this.currentPos = {
            x: 0,
            y: 0
        }, this.lastPos = this.currentPos, this._data = this.$element.data(), this.settings = c.extend({}, f, b, this._data), this.init()
    }

    a.requestAnimFrame = function (b) {
        return a.requestAnimationFrame || a.webkitRequestAnimationFrame || a.mozRequestAnimationFrame || a.oRequestAnimationFrame || a.msRequestAnimaitonFrame || function (b) {
                a.setTimeout(b, 1e3 / 60)
            }
    }();
    var e = "jqSignature", f = {
        lineColor: "#222222",
        lineWidth: 1,
        border: "1 dashed #AAAAAA",
        background: "#FFFFFF",
        width: w,
        height: h,
        autoFit: !1
    }, g = "<canvas></canvas>";
    d.prototype = {
        init: function () {
            this.$canvas = c(g).appendTo(this.$element), this.$canvas.attr({
                width: this.settings.width,
                height: this.settings.height
            }), this.$canvas.css({
                boxSizing: "border-box",
                width: this.settings.width + "",
                height: this.settings.height + "",
                border: this.settings.border,
                background: this.settings.background,
                cursor: "crosshair"
            }), this.settings.autoFit === !0 && this._resizeCanvas(), this.canvas = this.$canvas[0], this._resetCanvas(), this.$canvas.on("mousedown touchstart", c.proxy(function (a) {
                this.drawing = !0, this.lastPos = this.currentPos = this._getPosition(a)
            }, this)), this.$canvas.on("mousemove touchmove", c.proxy(function (a) {
                this.currentPos = this._getPosition(a)
            }, this)), this.$canvas.on("mouseup touchend", c.proxy(function (a) {
                this.drawing = !1;
                var b = c.Event("jq.signature.changed");
                this.$element.trigger(b)
            }, this)), c(b).on("touchstart touchmove touchend", c.proxy(function (a) {
                a.target === this.canvas && a.preventDefault()
            }, this));
            var d = this;
            !function e() {
                a.requestAnimFrame(e), d._renderCanvas()
            }()
        }, clearCanvas: function () {
            this.canvas.width = this.canvas.width, this._resetCanvas()
        }, getDataURL: function () {
            return this.canvas.toDataURL()
        }, _getPosition: function (a) {
            var b, c, d;
            return d = this.canvas.getBoundingClientRect(), a = a.originalEvent, -1 !== a.type.indexOf("touch") ? (b = a.touches[0].clientX - d.left, c = a.touches[0].clientY - d.top) : (b = a.clientX - d.left, c = a.clientY - d.top), {
                x: b,
                y: c
            }
        }, _renderCanvas: function () {
            this.drawing && (this.ctx.moveTo(this.lastPos.x, this.lastPos.y), this.ctx.lineTo(this.currentPos.x, this.currentPos.y), this.ctx.stroke(), this.lastPos = this.currentPos)
        }, _resetCanvas: function () {
            this.ctx = this.canvas.getContext("2d"), this.ctx.strokeStyle = this.settings.lineColor, this.ctx.lineWidth = this.settings.lineWidth
        }, _resizeCanvas: function () {
            var a = this.$element.outerWidth();
            this.$canvas.attr("width", a), this.$canvas.css("width", a + "")
        }
    }, c.fn[e] = function (a) {
        var b = arguments;
        if (void 0 === a || "object" == typeof a)return this.each(function () {
            c.data(this, "plugin_" + e) || c.data(this, "plugin_" + e, new d(this, a))
        });
        if ("string" == typeof a && "_" !== a[0] && "init" !== a) {
            var f;
            return this.each(function () {
                var g = c.data(this, "plugin_" + e);
                g instanceof d && "function" == typeof g[a] && (f = g[a].apply(g, Array.prototype.slice.call(b, 1))), "destroy" === a && c.data(this, "plugin_" + e, null)
            }), void 0 !== f ? f : this
        }
    }
}(window, document, jQuery);