package com.luck.picture.lib.camera.view;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.graphics.Path;
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import android.view.View;
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/**
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* =====================================
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* 作 者: 陈嘉桐 445263848@qq.com
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* 版 本:1.0.4
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* 创建日期:2017/4/26
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* 描 述:向下箭头的退出按钮
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* =====================================
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*/
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public class ReturnButton extends View {
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private int size;
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private int center_X;
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private int center_Y;
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private float strokeWidth;
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private Paint paint;
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Path path;
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public ReturnButton(Context context, int size) {
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this(context);
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this.size = size;
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center_X = size / 2;
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center_Y = size / 2;
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strokeWidth = size / 15f;
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paint = new Paint();
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paint.setAntiAlias(true);
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paint.setColor(Color.WHITE);
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paint.setStyle(Paint.Style.STROKE);
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paint.setStrokeWidth(strokeWidth);
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path = new Path();
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}
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public ReturnButton(Context context) {
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super(context);
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}
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@Override
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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setMeasuredDimension(size, size / 2);
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}
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@Override
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protected void onDraw(Canvas canvas) {
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super.onDraw(canvas);
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path.moveTo(strokeWidth, strokeWidth / 2);
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path.lineTo(center_X, center_Y - strokeWidth / 2);
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path.lineTo(size - strokeWidth, strokeWidth / 2);
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canvas.drawPath(path, paint);
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}
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}
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