Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);

Paint pathPaint = new Paint(Paint.ANTI_ALIAS_FLAG);

Path path = new Path();

Path path1 = new Path();

Path path2 = new Path();

Path path3 = new Path();

public Practice15FillPathView(Context context) {

super(context);

}

public Practice15FillPathView(Context context, @Nullable AttributeSet attrs) {

super(context, attrs);

}

public Practice15FillPathView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {

super(context, attrs, defStyleAttr);

}

{

path.moveTo(50, 100);

path.rLineTo(50, 100);

path.rLineTo(80, -150);

path.rLineTo(100, 100);

path.rLineTo(70, -120);

path.rLineTo(150, 80);

pathPaint.setStyle(Paint.Style.STROKE);

}

@Override

protected void onDraw(Canvas canvas) {

super.onDraw(canvas);

// 使用 Paint.getFillPath() 获取实际绘制的 Path

paint.setStyle(Paint.Style.FILL_AND_STROKE);

paint.setStrokeWidth(0);

// 第一处：获取 Path

paint.getFillPath(path, path1);

canvas.drawPath(path, paint);

canvas.save();

canvas.translate(500, 0);

canvas.drawPath(path1, pathPaint);

canvas.restore();

canvas.save();

canvas.translate(0, 200);

paint.setStyle(Paint.Style.STROKE);

// 第二处：设置 Style 为 STROKE 后再获取 Path

paint.getFillPath(path, path2);

canvas.drawPath(path, paint);

canvas.restore();

canvas.save();

canvas.translate(500, 200);

canvas.drawPath(path2, pathPaint);

canvas.restore();

canvas.save();

canvas.translate(0, 400);

paint.setStrokeWidth(40);

// 第三处：Style 为 STROKE 并且线条宽度为 40 时的 Path

paint.getFillPath(path, path3);

canvas.drawPath(path, paint);

canvas.restore();

canvas.save();

canvas.translate(500, 400);

canvas.drawPath(path3, pathPaint);

canvas.restore();

}