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+// customized/pages/made/combination/combination.js
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+import * as util from '../../../../utils/util.js'
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+let app = getApp();
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+let host = app.globalData.servsers; // 请求的url
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+Page({
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+
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+ /**
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+ * 页面的初始数据
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+ */
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+ data: {
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+ dataPositionObj: { //正面数据
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+ top: 184,
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+ left: 305,
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+ width: 218,
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+ height: 218,
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+ },
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+ imgTouch: {
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+ isActive: "1",
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+ src: "https://dlz.info666.com//temp/d945bfb0-5cc6-406d-a814-cf63b099041f.jpg",
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+ x: -82,
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+ y: 17,
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+ clientX: 195,
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+ clientY: 121,
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+ width: 517,
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+ height: 208.17866666666666,
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+ scale: 2.4834437086092715,
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+ angle: 27
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+ },
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+ fontTouch: {
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+ isActive: "1",
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+ fontContent: "Gg",
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+ isColor: "#ffffff",
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+ x: 10,
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+ y: 10,
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+ angle: 0,
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+ fontSize: 100,
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+ clientX: 0,
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+ clientY: 0,
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+ width: 138.34375,
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+ height: 132
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+ },
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+ isActive:null,
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+ rpx: 1,
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+ obverseImgObject: {}, //素材背景
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+ imgSrcArray: [],
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+ buildSrcArray: [],
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+ customGoodsImg: "",
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+
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+ },
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+
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+ /**
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+ * 生命周期函数--监听页面加载
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+ */
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+ onLoad: function (options) {
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+ if ('id' in options){
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+ this.setData({
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+ isActive: options.id,//素材id
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+ obverseImgObject: util.changeImg,//素材
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+ dataPositionObj: util.changeCup(options.id.toString()).dataPositionObj
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+ })
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+ }
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+ },
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+
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+ /**
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+ * 生命周期函数--监听页面初次渲染完成
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+ */
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+ onReady: function () {
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+
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+ wx.showLoading({
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+ title: '图片合成中...'
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+ })
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+ let that = this,
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+ result = true;
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+
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+ if (wx.getStorageSync('madeImgData' + that.data.isActive) || wx.getStorageSync('madeFontData'+ that.data.isActive)) {
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+ that.getCombImg(that, that.data.isActive);
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+ result = false
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+ }
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+
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+ if (result) {
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+ wx.hideLoading();
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+ }
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+ },
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+
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+ /**
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+ * 生命周期函数--监听页面显示
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+ */
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+ onShow: function () {
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+
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+ },
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+
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+ /**
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+ * 生命周期函数--监听页面隐藏
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+ */
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+ onHide: function () {
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+
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+ },
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+
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+ /**
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+ * 生命周期函数--监听页面卸载
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+ */
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+ onUnload: function () {
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+
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+ },
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+
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+ /**
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+ * 页面相关事件处理函数--监听用户下拉动作
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+ */
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+ onPullDownRefresh: function () {
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+
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+ },
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+
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+ /**
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+ * 页面上拉触底事件的处理函数
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+ */
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+ onReachBottom: function () {
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+
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+ },
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+
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+ /**
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+ * 用户点击右上角分享
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+ */
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+ onShareAppMessage: function () {
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+
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+ },
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+ getCombImg(that, i) {
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+ let imgTouch = null,
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+ dataPositionObj = that.data.dataPositionObj;
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+ that.setData({ // imgSrcArray 初始化
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+ imgSrcArray: [],
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+ })
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+ if (wx.getStorageSync('madeImgData' + i)) {
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+ imgTouch = wx.getStorageSync('madeImgData' + i);
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+ wx.getSystemInfo({
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+ success: function (res) {
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+ let rpx = res.windowWidth / 750;
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+ that.setData({
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+ rpx: rpx
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+ });
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+ wx.downloadFile({
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+ url: imgTouch.src, // 仅为示例,并非真实的资源
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+ success(res) {
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+ // 只要服务器有响应数据,就会把响应内容写入文件并进入 success 回调,业务需要自行判断是否下载到了想要的内容
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+ console.log(res)
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+ if (res.statusCode === 200) {
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+ // canvas截图区域与图片的宽度比例
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+ let dWidth = dataPositionObj.width / imgTouch.width;
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+ // canvas截图区域与图片的高度比例
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+ let dHeight = dataPositionObj.height / imgTouch.height;
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+ const ctx = wx.createCanvasContext('comb-img');
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+ //画布中点坐标转移到图片中心
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+ let movex = imgTouch.x + imgTouch.width * rpx / 2;
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+ let movey = imgTouch.y + imgTouch.height * rpx / 2;
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+ ctx.translate(movex, movey);
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+ ctx.rotate(imgTouch.angle * Math.PI / 180);
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+ ctx.drawImage(res.tempFilePath, -imgTouch.width * rpx / 2, -imgTouch.height * rpx / 2, imgTouch.width * rpx, imgTouch.height * rpx)
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+ ctx.draw(false, function () {
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+ wx.canvasToTempFilePath({
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+ canvasId: 'comb-img',
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+ success: function (res) {
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+ console.log(res)
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+ let imgArray = that.data.imgSrcArray;
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+ imgArray.push(res.tempFilePath)
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+ that.setData({
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+ imgSrcArray: imgArray
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+ })
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+ that.getCombFont(that, i, true);
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+ }
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+ }, that)
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+ })
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+ }
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+ }
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+ })
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+
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+ },
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+ })
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+ } else {
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+ that.getCombFont(that, i, false);
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+ }
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+
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+
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+
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+ },
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+ getCombFont(that, i, _static) {
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+ let fontTouch = null,
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+ dataPositionObj = that.data.dataPositionObj,
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+ simulationFont = null;
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+ if (wx.getStorageSync('madeFontData' + i)) {
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+ fontTouch = wx.getStorageSync('madeFontData' + i);
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+ simulationFont = wx.getStorageSync('simulationFont' + i);
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+ const ctx = wx.createCanvasContext('comb-font');
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+ // ctx.textBaseline = 'top';
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+ ctx.setFontSize(fontTouch.fontSize);
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+ ctx.setFillStyle(fontTouch.isColor);
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+ if (fontTouch.bold) {
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+ ctx.fillText(fontTouch.fontContent, -1, simulationFont.height / 5 * 4)
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+ ctx.fillText(fontTouch.fontContent, 0, simulationFont.height / 5 * 4 - 1)
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+ }
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+ ctx.fillText(fontTouch.fontContent, 0, simulationFont.height / 5 * 4)
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+ if (fontTouch.bold) {
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+ ctx.fillText(fontTouch.fontContent, 1, simulationFont.height / 5 * 4)
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+ ctx.fillText(fontTouch.fontContent, 0, simulationFont.height / 5 * 4 + 1)
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+ }
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+ ctx.restore()
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+ ctx.draw(false, function () {
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+ wx.canvasToTempFilePath({
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+ canvasId: 'comb-font',
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+ success: function (res) {
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+ console.log(res)
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+ that.getComb(that, that.data.imgSrcArray, i)
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+ }
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+ }, that)
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+ })
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+ } else {
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+ that.getComb(that, that.data.imgSrcArray, i)
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+ }
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+
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+ },
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+ getComb(that, imgSrcArray, i) {
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+ console.log(imgSrcArray, "imgSrcArray")
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+
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+ let imgTouch = wx.getStorageSync('madeImgData' + i);
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+ let dataPositionObj = that.data.dataPositionObj;
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+ let canvasBg = that.data.obverseImgObject[i+'_2'];//获取背景没有线框的
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+ wx.getSystemInfo({
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+ success: function (res) {
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+ let rpx = res.windowWidth / 750;
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+ that.setData({
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+ rpx: rpx
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+ });
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+ const ctx = wx.createCanvasContext('comb-canvas');
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+ ctx.drawImage(canvasBg, 0, 0, 750 * rpx, 800 * rpx);
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+ // 设置背景
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+ ctx.draw(true)
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+ imgSrcArray.forEach((res) => {
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+ ctx.drawImage(res, dataPositionObj.left * rpx, dataPositionObj.top * rpx, dataPositionObj.width * rpx, dataPositionObj.height * rpx);
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+ })
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+ console.log('开始执行叠加', that.data.obverseImgObject[i + '_1'])
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+ ctx.drawImage(that.data.obverseImgObject[i + '_1'], 0, 0, 750 * rpx, 800 * rpx)
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+
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+ ctx.draw(true, function () {
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+ console.log("开始合成")
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+ wx.canvasToTempFilePath({
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+ canvasId: 'comb-canvas',
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+ success: function (res) {
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+ console.log(res,"合成结果")
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+ that.uploadFile(res.tempFilePath, that, function (data) {
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+ console.log(res, "合成成功");
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+
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+ let buildSrcArray = that.data.buildSrcArray;
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+
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+ buildSrcArray.push({
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+ src: res.tempFilePath,
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+ isActive: i,
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+ });
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+ console.log(buildSrcArray, "buildSrcArray")
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+ that.setData({
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+ buildSrcArray: buildSrcArray,
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+ })
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+ console.log(that.data.buildSrcArray, "buildSrcArray")
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+ wx.hideLoading()
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+
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+ })
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+
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+ },
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+ fail: function (err) {
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+ console.log(err, "合成失败")
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+ wx.hideLoading();
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+ }
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+ }, that)
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+ })
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+ },
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+ })
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+
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+ },
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+ addImgRouter() { // add car
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+ let that = this;
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+ console.log(that.data.customGoodsImg, "that.data.customGoodsImg")
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+
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+ wx.request({
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+ url: host + '/addShopCar',
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+ method: 'post',
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+ header: {
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+ 'content-type': 'application/x-www-form-urlencoded'
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+ },
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+ data: {
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+ customGoodsImg: that.data.customGoodsImg.substring(0, that.data.customGoodsImg.length - 1),
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+ customGoodsName: '拉杆箱-银灰色',
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+ customGoodsNum: 1,
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+ userId: app.globalData.user_id,
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+ customGoodsId:wx.getStorageSync('detail').id,
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+ },
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+ success: function (res) {
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+ console.log(res, "加入购物车")
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+ if (res.data === 'success') {
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+ wx.showModal({
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+ title: '提示',
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+ content: '加入购物车成功,是否去购物车结算商品?',
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+
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+ success: function (res) {
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+ if (res.confirm) {
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+ console.log('用户点击确定')
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+ wx.redirectTo({
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+ url: '/customized/pages/car/car',
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+ })
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+ } else if (res.cancel) {
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+ console.log('用户点击取消')
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+ }
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+ }
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+ })
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+ }
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+ }
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+ })
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+ },
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+ uploadFile(path, that, cb) {
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+ let customGoodsImg = that.data.customGoodsImg;
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+ wx.uploadFile({
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+ url: host + 'fileUpload',
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+ filePath: path,
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+ name: 'file',
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+ formData: {
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+ file: path,
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+ userId: app.globalData.user_id,
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+ imgStatus: 1, // 表示合成
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+ },
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+ success: function (res) {
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+ console.log(res, "rrrr");
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+ customGoodsImg += res.data + ',';
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+ that.setData({
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+ customGoodsImg: customGoodsImg
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+ })
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+ cb(true)
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+ },
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+ fail: function (res) {
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+ cb(false)
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+ }
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+ })
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+ },
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+
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+})
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