Android(安卓)Paint

Paint 画笔

setAntiAlias //设置画笔的锯齿效果

setColor//设置画笔颜色

setARGB //设置argb值

setAlpha //设置画笔的alpha值

setTextSize//设置字体的尺寸

setStyle //设置画笔的风格 Style.FILL 填充,Style.STROKE//空心

setStrokeWidth //设置空心边框的宽度

Canvas 画布

drawPoint(x,y,paint)//画点

drawLine(startX,startY,endX,endY,paint)//画线

float[] pts=new {startx0,starty0,endx0,endy0,startxn,startyn,start...};

drawLines(pts);//画多条线

drawRect(left,top,right,bottom,paint);//画矩形

drawRoundRect(left,top,right,bottom,radiusX,radiusY,paint);//画圆角矩形

drawCircle(circleX,circleY,radius,paint);//画圆

//画弧形

paint.setStyle(Paint.Style.STROKE);

drawArc(left,top,right,bottom,startAngle,sweepAngle,useCenter,paint);

//绘制椭圆

drawOval(left,top,right,bottom,paint);

//绘制文本

drawText(text,startX,startY,paint);

drawPosText(text,new float[]{x1,y1,x2,y2,....xn,yn},paint);

//绘制路径

Path path=new Path();

path.moveTo(50,50);

drawPath(path,paint);

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