PROSAGA码农传奇-html/HTML5-上传图像onclick on Multiple mask Images

<div class =“post-text”itemprop =“text”>
  <P>
    这是一个有效的解决方案。我只是更新了获取数据的方式。我将所有蒙版保存在一个数组中。然后查找与目标点击关联的数组
  </p>
   <pre>
    <code>
          var mask;
var target;
let jsonData = {
  "path" : " UNEVENSHAPES\/",
  "info" : {
    "author" : "",
    "keywords" : "",
    "file" : "UNEVENSHAPES",
    "date" : "Uncalibrated",
    "title" : "",
    "description" : "Normal",
    "generator" : "Export Kit v1.2.8"
  },
  "name" : "UNEVENSHAPES",
  "layers" : [
    {
      "x" : 0,
      "height" : 612,
      "layers" : [
        {
          "x" : 0,
          "color" : "0xFFFFFF",
          "height" : 612,
          "y" : 0,
          "width" : 612,
          "shapeType" : "rectangle",
          "type" : "shape",
          "name" : "rectangle1"
        },
        {
          "x" : 20,
          "height" : 377,
          "layers" : [
            {
              "x" : 0,
              "height" : 377,
              "src" : "d15ad70281961be451263b418a07798b_frame0.png",
              "y" : 0,
              "width" : 218,
              "type" : "image",
              "name" : "mask_pic1"
            },
            {
              "radius" : "27 \/ 27",
              "color" : "0xACACAC",
              "x" : 52,
              "y" : 257,
              "height" : 53,
              "width" : 53,
              "shapeType" : "ellipse",
              "type" : "shape",
              "name" : "useradd_ellipse1"
            }
          ],
          "y" : 215,
          "width" : 218,
          "type" : "group",
          "name" : "user_pic1"
        },
        {
          "x" : 191,
          "height" : 120,
          "layers" : [
            {
              "x" : 0,
              "height" : 120,
              "src" : "2b5d28d0439bc3ce1d856e6c4e5607be_frame1.png",
              "y" : 0,
              "width" : 268,
              "type" : "image",
              "name" : "mask_pic2"
            },
            {
              "radius" : "26 \/ 27",
              "color" : "0xACACAC",
              "x" : 115,
              "y" : 43,
              "height" : 53,
              "width" : 53,
              "shapeType" : "ellipse",
              "type" : "shape",
              "name" : "useradd_ellipse2"
            }
          ],
          "y" : 472,
          "width" : 268,
          "type" : "group",
          "name" : "user_pic2"
        },
        {
          "x" : 414,
          "height" : 302,
          "layers" : [
            {
              "x" : 0,
              "height" : 302,
              "src" : "52c93b6e0a0ffeeb670d0981f89f7fa5_frame2.png",
              "y" : 0,
              "width" : 178,
              "type" : "image",
              "name" : "mask_pic3"
            },
            {
              "radius" : "26 \/ 27",
              "color" : "0xACACAC",
              "x" : 69,
              "y" : 182,
              "height" : 53,
              "width" : 53,
              "shapeType" : "ellipse",
              "type" : "shape",
              "name" : "useradd_ellipse3"
            }
          ],
          "y" : 290,
          "width" : 178,
          "type" : "group",
          "name" : "user_pic3"
        },
        {
          "x" : 374,
          "height" : 377,
          "layers" : [
            {
              "x" : 0,
              "height" : 377,
              "src" : "e92f354018aa8f7e6d279601a868a6b2_frame3.png",
              "y" : 0,
              "width" : 218,
              "type" : "image",
              "name" : "mask_pic4"
            },
            {
              "radius" : "26 \/ 27",
              "color" : "0xACACAC",
              "x" : 129,
              "y" : 60,
              "height" : 53,
              "width" : 53,
              "shapeType" : "ellipse",
              "type" : "shape",
              "name" : "useradd_ellipse4"
            }
          ],
          "y" : 20,
          "width" : 218,
          "type" : "group",
          "name" : "user_pic4"
        },
        {
          "x" : 150,
          "height" : 120,
          "layers" : [
            {
              "x" : 0,
              "height" : 120,
              "src" : "010054750abb290d1bd7fcecfab60524_frame4.png",
              "y" : 0,
              "width" : 269,
              "type" : "image",
              "name" : "mask_pic5"
            },
            {
              "radius" : "27 \/ 27",
              "color" : "0xACACAC",
              "x" : 103,
              "y" : 15,
              "height" : 53,
              "width" : 53,
              "shapeType" : "ellipse",
              "type" : "shape",
              "name" : "useradd_ellipse5"
            }
          ],
          "y" : 20,
          "width" : 269,
          "type" : "group",
          "name" : "user_pic5"
        },
        {
          "x" : 20,
          "height" : 302,
          "layers" : [
            {
              "x" : 0,
              "height" : 302,
              "src" : "e7a5874b58376883adbeafea7ce5e572_frame5.png",
              "y" : 0,
              "width" : 176,
              "type" : "image",
              "name" : "mask_pic6"
            },
            {
              "radius" : "26 \/ 27",
              "color" : "0xACACAC",
              "x" : 50,
              "y" : 68,
              "height" : 53,
              "width" : 53,
              "shapeType" : "ellipse",
              "type" : "shape",
              "name" : "useradd_ellipse6"
            }
          ],
          "y" : 20,
          "width" : 176,
          "type" : "group",
          "name" : "user_pic6"
        },
        {
          "x" : 222,
          "height" : 335,
          "layers" : [
            {
              "x" : 0,
              "height" : 335,
              "src" : "591743efa89d8ee936a6d660d52e82b2_frame6.png",
              "y" : 0,
              "width" : 265,
              "type" : "image",
              "name" : "mask_pic7"
            },
            {
              "radius" : "26 \/ 27",
              "color" : "0xACACAC",
              "x" : 126,
              "y" : 114,
              "height" : 53,
              "width" : 53,
              "shapeType" : "ellipse",
              "type" : "shape",
              "name" : "useradd_ellipse7"
            }
          ],
          "y" : 123,
          "width" : 265,
          "type" : "group",
          "name" : "user_pic7"
        },
        {
          "x" : 123,
          "height" : 334,
          "layers" : [
            {
              "x" : 0,
              "height" : 334,
              "src" : "22997a60cf61d7b59e92620b86ab86d6_frame7.png",
              "y" : 0,
              "width" : 264,
              "type" : "image",
              "name" : "mask_pic8"
            },
            {
              "radius" : "27 \/ 27",
              "color" : "0xACACAC",
              "x" : 73,
              "y" : 167,
              "height" : 53,
              "width" : 53,
              "shapeType" : "ellipse",
              "type" : "shape",
              "name" : "useradd_ellipse8"
            }
          ],
          "y" : 155,
          "width" : 264,
          "type" : "group",
          "name" : "user_pic8"
        }
      ],
      "y" : 0,
      "width" : 612,
      "type" : "group",
      "name" : "unevenshape04"
    }
  ]
};

$(document).ready(function() {

$('.container').click(function(e) {
        console.log(e);
        var res =  e.target;
        target = res.id;
        console.log(target);
        setTimeout(() => {
            $('#fileup').click();
        }, 20)

});

function json(data)

{
        var width = 0;
        var height = 0;

/*  
        let layer1 = data.layers;   
        width = layer1[0].width;
        height = layer1[0].height;
        let layer2 = layer1[0].layers;

*/  
        let arr = getAllSrc(data.layers);

let layer1 = data.layers;
        width = layer1[0].width;
        height = layer1[0].height;
        let counter = 0;
        let table = [];
    //    for (i = 1; i < layer2.length; i++) {
          for (let {src, x,y} of arr) {

//  var x = layer2[i].x;
          //  var y = layer2[i].y;
          //  var src = layer2[i].layers[0].src;
            $(".container").css('width', width + "px").css('height', height + "px").addClass('temp');

var mask = $(".container").mask({
                maskImageUrl: 'http://piccellsapp.com:1337/parse/files/PfAppId/' + src,
                onMaskImageCreate: function(img) {

img.css({
                        "position": "absolute",
                        "left": x + "px",
                        "top": y + "px"
                    });

},
                id : counter
            });
            table.push(mask);
            fileup.onchange = function() {
                // get the element associated to it.
                let mask2 = table[target];
                mask2.loadImage(URL.createObjectURL(fileup.files[0]));
            };
            counter++;
        }

}
    json(jsonData);

}); // end of document ready
// jq plugin for mask
(function($) {
    var JQmasks = [];
    $.fn.mask = function(options) {
        // This is the easiest way to have default options.
        var settings = $.extend({
            // These are the defaults.
            maskImageUrl: undefined,
            imageUrl: undefined,
            scale: 1,
            id: new Date().getUTCMilliseconds().toString(),
            x: 0, // image start position
            y: 0, // image start position
            onMaskImageCreate: function(div) {},
        }, options);

var container = $(this);

let prevX = 0,
            prevY = 0,
            draggable = false,
            img,
            canvas,
            context,
            image,
            timeout,
            initImage = false,
            startX = settings.x,
            startY = settings.y,
            div;

container.mousePosition = function(event) {
            return {
                x: event.pageX || event.offsetX,
                y: event.pageY || event.offsetY
            };
        }

container.selected = function(ev) {
            var pos = container.mousePosition(ev);
            var item = $(".masked-img canvas").filter(function() {
                var offset = $(this).offset()
                var x = pos.x - offset.left;
                var y = pos.y - offset.top;
                var d = this.getContext('2d').getImageData(x, y, 1, 1).data;
                return d[0] > 0
            });

JQmasks.forEach(function(el) {
                var id = item.length > 0 ? $(item).attr("id") : "";
                if (el.id == id)
                    el.item.enable();
                else el.item.disable();
            });
        };

container.enable = function() {
            draggable = true;
            $(canvas).attr("active", "true");
            div.css({
                "z-index": 2
            });
        }

container.disable = function() {
            draggable = false;
            $(canvas).attr("active", "false");
            div.css({
                "z-index": 1
            });
        }

container.onDragStart = function(evt) {
            container.selected(evt);
            prevX = evt.clientX;
            prevY = evt.clientY;
            var img = new Image();
        evt.originalEvent.dataTransfer.setDragImage(img, 10, 10);
        evt.originalEvent.dataTransfer.setData('text/plain', 'anything');           
        };

container.getImagePosition = function() {
            return {
                x: settings.x,
                y: settings.y,
                scale: settings.scale
            };
        };

container.onDragOver = function(evt) {
            if (draggable && $(canvas).attr("active") === "true") {
                var x = settings.x + evt.clientX - prevX;
                var y = settings.y + evt.clientY - prevY;
                if (x == settings.x && y == settings.y)
                    return; // position has not changed
                settings.x += evt.clientX - prevX;
                settings.y += evt.clientY - prevY;
                prevX = evt.clientX;
                prevY = evt.clientY;
                container.updateStyle();
            }
        };

container.updateStyle = function() {
            clearTimeout(timeout);
            timeout = setTimeout(function() {
                context.clearRect(0, 0, canvas.width, canvas.height);
                context.beginPath();
                context.globalCompositeOperation = "source-over";
                image = new Image();
                image.setAttribute('crossOrigin', 'anonymous');
                image.src = settings.maskImageUrl;
                image.onload = function() {
                    canvas.width = image.width;
                    canvas.height = image.height;
                    context.drawImage(image, 0, 0, image.width, image.height);
                    div.css({
                        "width": image.width,
                        "height": image.height
                    });                 
                };

img = new Image();
                img.src = settings.imageUrl;
                img.setAttribute('crossOrigin', 'anonymous');
                img.onload = function() {
                    settings.x = settings.x == 0 && initImage ? (canvas.width - (img.width * settings.scale)) / 2 : settings.x;
                    settings.y = settings.y == 0 && initImage ? (canvas.height - (img.height * settings.scale)) / 2 : settings.y;
                    context.globalCompositeOperation = 'source-atop';
                    context.drawImage(img, settings.x, settings.y, img.width * settings.scale, img.height * settings.scale);
                    initImage = false;
                };
            }, 0);
        };

// change the draggable image
        container.loadImage = function(imageUrl) {
        console.log("load");
            if (img)
                img.remove();
            // reset the code.
            settings.y = startY;
            settings.x = startX;
            prevX = prevY = 0;
            settings.imageUrl = imageUrl;
            initImage = true;
            container.updateStyle();
        };

// change the masked Image
        container.loadMaskImage = function(imageUrl, from) {
            if (div)
                div.remove();
            canvas = document.createElement("canvas");
            context = canvas.getContext('2d');
            canvas.setAttribute("draggable", "true");
            canvas.setAttribute("id", settings.id);
            settings.maskImageUrl = imageUrl;
            div = $("<div/>", {
                "class": "masked-img"
            }).append(canvas);

// div.find("canvas").on('touchstart mousedown', function(event)
            div.find("canvas").on('dragstart', function(event) {

if (event.handled === false) return;
                event.handled = true;
                container.onDragStart(event);
            });

div.find("canvas").on('touchend mouseup', function(event) {
                if (event.handled === false) return;
                event.handled = true;
                container.selected(event);
            });

div.find("canvas").bind("dragover", container.onDragOver);
            container.append(div);
            if (settings.onMaskImageCreate)
                settings.onMaskImageCreate(div);
            container.loadImage(settings.imageUrl);
        };
        container.loadMaskImage(settings.maskImageUrl);
        JQmasks.push({
            item: container,
            id: settings.id
        })
        return container;
    };
}(jQuery));

</code>
  </pre>
</DIV>