AutoJs源码-任意扭转图片

/* 软件作者：https://xuhss.com/oxox/pro */ "ui"; ui.layout( <vertical> <canvas id="canvas"/> </vertical> ); toastLog("尝试用多个手指触摸图片"); toastLog("五个手指头能让图片回到原位哦"); //帮助资料https://www.jianshu.com/p/6cd77d511510 threads.start(function() { console.show(); }); //var img = images.read("/storage/emulated/0/建记/图片/img04.jpg"); var canvasAD = new 图片查看(ui.canvas); thread = threads.start(function() { //toastLog("正在加载图片"); sleep(1000); IMG = images.load('http://b-ssl.duitang.com/uploads/blog/201309/29/20130929153548_rECFe.jpeg'); if (!IMG) { toastLog("网络连接异常"); toastLog("或使用本地图片"); exit(); }; //toastLog("图片加载完成"); canvasAD.setImg(IMG); }); function 图片查看(canvasView, img) { this.setImg = function(IMG) { img = IMG.clone(); this.textSize = 20; this.paint.setTextSize(this.textSize); }; this.imgToCenter = function() { if (img) { this.imgRect = new android.graphics.RectF(0, 0, img.getWidth(), img.getHeight()); this.view = { x: canvasView.getX(), y: canvasView.getY(), w: canvasView.getWidth(), h: canvasView.getHeight() }; this.canvasRect = new android.graphics.RectF(0, 0, this.view.w, this.view.h); this.matrix = new android.graphics.Matrix(); this.matrix.setRectToRect(this.imgRect, this.canvasRect, android.graphics.Matrix.ScaleToFit.CENTER); }; }; this.view = { x: canvasView.getX(), y: canvasView.getY(), w: canvasView.getWidth(), h: canvasView.getHeight() }; this.canvasRect = new android.graphics.RectF(0, 0, this.view.w || device.width, this.view.h || device.height); this.paint = new Paint; this.paint.setTextAlign(Paint.Align.CENTER); this.paint.setStrokeWidth(5); //this.paint.setStyle(Paint.Style.STROKE); this.paint.setARGB(255, 0, 0, 0); this.paint.setStyle(Paint.Style.FILL); //this.paint.setStrokeWidth(5); this.textSize = 20; this.paint.setTextSize(this.textSize); this.matrix = new android.graphics.Matrix(); this.imgRect; if (img) { this.imgRect = new android.graphics.RectF(0, 0, img.getWidth(), img.getHeight()); this.matrix.setRectToRect(this.imgRect, this.canvasRect, android.graphics.Matrix.ScaleToFit.CENTER); }; this.RY = { Y: 0 }; this.Touch = new Array; this.TouchPointStart = new Array; this.TouchPointCurrent = new Array; this.TouchMatrix; canvasView.on("draw", (canvas) => { canvas.drawARGB(255, 127, 127, 127); var w = canvas.getWidth(); var h = canvas.getHeight(); if (img) { this.textSize = 20; this.paint.setTextSize(this.textSize); canvas.drawImage(img, this.matrix, this.paint); for (let i = 0; i < this.TouchPointStart.length; i += 2) { let X = Math.round(this.TouchPointStart[i]); let Y = Math.round(this.TouchPointStart[i + 1]); let x = Math.round(this.TouchPointCurrent[i]); let y = Math.round(this.TouchPointCurrent[i + 1]); canvas.drawLine(X, Y, x, y, this.paint); canvas.drawText(X + "," + Y, w / 4, h * 0.01 * i + h * 0.05 + 0.365 * this.textSize, this.paint); canvas.drawText(x + "," + y, w / 4 * 3, h * 0.01 * i + h * 0.05 + 0.365 * this.textSize, this.paint); }; } else { this.Loading(canvas, this.paint, this.RY); }; }); this.Loading = function(canvas, paint, RY) { var w = canvas.getWidth(); var h = canvas.getHeight(); RY.Y += 20; if (RY.Y >= 360) { RY.Y = 0; }; canvas.rotate(RY.Y, w * 0.5, h * 0.52); paint.setStrokeWidth(5); paint.setStyle(Paint.Style.STROKE); canvas.drawCircle(w / 2, h * 0.48, w / 3, paint); canvas.setMatrix(new android.graphics.Matrix()); canvas.rotate(-RY.Y, w * 0.5, h * 0.52); paint.setStyle(Paint.Style.FILL); paint.setStrokeWidth(1); var size = 100; paint.setTextSize(size); canvas.drawText("正在下载图片", w / 2, h * 0.48 + 0.365 * size, paint); }; this.反色 = function(color) { return (-1 - colors.argb(0, colors.red(color), colors.green(color), colors.blue(color))); }; canvasView.setOnTouchListener(new android.view.View.OnTouchListener((view, event) => { try { //log(event); switch (event.getAction() <= 2 ? event.getAction() : Math.abs(event.getAction() % 2 - 1)) { case event.ACTION_DOWN: try { log("down"); var i = Math.floor(event.getAction() / 256); log(i); //当前变化的是第几个点 var id = event.getPointerId(i); //获取这个点的ID。 var X = event.getX(i); var Y = event.getY(i); //得到当前变化的这个点的坐标。相对于控件原点。 var PC = event.getPointerCount(); //获取点的总数量。 this.TouchMatrix = this.matrix; for (let i = 0; i < PC - 1; i++) { this.TouchPointStart[i * 2] = this.TouchPointCurrent[i * 2]; this.TouchPointStart[i * 2 + 1] = this.TouchPointCurrent[i * 2 + 1]; }; //当有新的手指按下时使坐标差为零。//开始新的多指矩阵运算方式 this.TouchPointStart.splice(i * 2, 0, X, Y); this.TouchPointCurrent.splice(i * 2, 0, X, Y); //保存坐标的数组。 this.Touch[id] = { x: X, y: Y }; if (PC > 4) { //手指数大于4个化为原始矩阵虽然记录坐标信息，但是不进行矩阵操作。 this.imgToCenter(); break; }; var matrix = new android.graphics.Matrix(); matrix.setPolyToPoly(this.TouchPointStart, 0, this.TouchPointCurrent, 0, PC > 4 ? 4 : PC); this.matrix = new android.graphics.Matrix(); this.matrix.setConcat(matrix, this.TouchMatrix); //进行矩阵运算并刷新矩阵。 } catch (e) { toastLog("DOWN " + e); }; break; case event.ACTION_MOVE: try { //log("move"); var PC = event.getPointerCount(); for (let i = 0; i < PC; i++) { let id = event.getPointerId(i); let X = event.getX(i); let Y = event.getY(i); this.TouchPointCurrent[i * 2] = X; this.TouchPointCurrent[i * 2 + 1] = Y; }; //记录当前各手指坐标信息。 if (PC > 4) { //手指数大于4个虽然记录坐标信息，但是不进行矩阵操作。 this.imgToCenter();