Closed beilo closed 7 years ago
canvas.translate(mCenterX, mCenterY); mPaint.setColor(Color.BLACK); mPaint.setStyle(Paint.Style.STROKE); mPaint.setStrokeWidth(5); canvas.drawLine(0, -mCenterY, 0, mCenterY, mPaint); canvas.drawLine(-mCenterX, 0, mCenterX, 0, mPaint); Path path = new Path(); path.addRect(-100, -100, 100, 100, Path.Direction.CW); // 添加小矩形 path.addRect(-200, -200, 200, 200, Path.Direction.CW); // 添加大矩形 canvas.drawPath(path, mPaint); // 绘制 Path PathMeasure measure = new PathMeasure(path, false); // 将Path与PathMeasure关联 float len1 = measure.getLength(); // 获得第一条路径的长度 measure.nextContour(); // 跳转到下一条路径 float len2 = measure.getLength(); // 获得第二条路径的长度 Log.i("LEN", "len1=" + len1); // 输出两条路径的长度 Log.i("LEN", "len2=" + len2);`
页面
除非按照下面的写才没问题,请问为什么
path.addRect(-100, -100, 100, 100, Path.Direction.CW); // 添加小矩形 path.addRect(-200, -200, 200, 200, Path.Direction.CCW); // 添加大矩形
页面
除非按照下面的写才没问题,请问为什么