package com.ab.view.progress;
import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.BlurMaskFilter;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.EmbossMaskFilter;
import android.graphics.Paint;
import android.graphics.RectF;
import android.graphics.SweepGradient;
import android.util.AttributeSet;
import android.view.View;
import com.ab.view.listener.AbOnProgressListener;
/**
*
* Copyright (c) 2012 All rights reserved
* 名称：AbCircleProgressBar.java
* 描述：环形的ProgressBar
* @author zhaoqp
* @date：2013-9-22 下午2:44:17
* @version v1.0
*/
public class AbCircleProgressBar extends View {
private int progress = 0;
private int max = 100;
//绘制轨迹
private Paint pathPaint = null;
//绘制填充
private Paint fillArcPaint = null;
private RectF oval;
//梯度渐变的填充颜色
private int[] arcColors = new int[] {0xFF02C016, 0xFF3DF346, 0xFF40F1D5, 0xFF02C016 };
private int[] shadowsColors = new int[] { 0xFF111111, 0x00AAAAAA, 0x00AAAAAA };
//灰色轨迹
private int pathColor = 0xFFF0EEDF;
private int pathBorderColor = 0xFFD2D1C4;
//环的路径宽度
private int pathWidth = 35;
/** The width. */
private int width;
/** The height. */
private int height;
//默认圆的半径
private int radius = 120;
// 指定了光源的方向和环境光强度来添加浮雕效果
private EmbossMaskFilter emboss = null;
// 设置光源的方向
float[] direction = new float[]{1,1,1};
//设置环境光亮度
float light = 0.4f;
// 选择要应用的反射等级
float specular = 6;
// 向 mask应用一定级别的模糊
float blur = 3.5f;
//指定了一个模糊的样式和半径来处理 Paint 的边缘
private BlurMaskFilter mBlur = null;
//监听器
private AbOnProgressListener mAbOnProgressListener = null;
//view重绘的标记
private boolean reset = false;
public AbCircleProgressBar(Context context, AttributeSet attrs) {
super(context, attrs);
pathPaint = new Paint();
// 设置是否抗锯齿
pathPaint.setAntiAlias(true);
// 帮助消除锯齿
pathPaint.setFlags(Paint.ANTI_ALIAS_FLAG);
// 设置中空的样式
pathPaint.setStyle(Paint.Style.STROKE);
pathPaint.setDither(true);
pathPaint.setStrokeJoin(Paint.Join.ROUND);
fillArcPaint = new Paint();
// 设置是否抗锯齿
fillArcPaint.setAntiAlias(true);
// 帮助消除锯齿
fillArcPaint.setFlags(Paint.ANTI_ALIAS_FLAG);
// 设置中空的样式
fillArcPaint.setStyle(Paint.Style.STROKE);
fillArcPaint.setDither(true);
fillArcPaint.setStrokeJoin(Paint.Join.ROUND);
oval = new RectF();
emboss = new EmbossMaskFilter(direction,light,specular,blur);
mBlur = new BlurMaskFilter(20, BlurMaskFilter.Blur.NORMAL);
}
@SuppressLint("DrawAllocation")
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
if(reset){
canvas.drawColor(Color.TRANSPARENT);
reset = false;
}
this.width = getMeasuredWidth();
this.height = getMeasuredHeight();
this.radius = getMeasuredWidth()/2 - pathWidth;
// 设置画笔颜色
pathPaint.setColor(pathColor);
// 设置画笔宽度
pathPaint.setStrokeWidth(pathWidth);
//添加浮雕效果
pathPaint.setMaskFilter(emboss);
// 在中心的地方画个半径为r的圆
canvas.drawCircle(this.width/2, this.height/2, radius, pathPaint);
//边线
pathPaint.setStrokeWidth(0.5f);
pathPaint.setColor(pathBorderColor);
canvas.drawCircle(this.width/2, this.height/2, radius+pathWidth/2+0.5f, pathPaint);
canvas.drawCircle(this.width/2, this.height/2, radius-pathWidth/2-0.5f, pathPaint);
/*int[] gradientColors = new int[3];
gradientColors[0] = Color.GREEN;
gradientColors[1] = Color.YELLOW;
gradientColors[2] = Color.RED;
float[] gradientPositions = new float[3];
gradientPositions[0] = 0.0f;
gradientPositions[1] = 0.5f;
gradientPositions[2] = 1.0f;
//按颜色比例圆形填充
RadialGradient radialGradientShader = new RadialGradient(this.width/2,this.height/2,
radius, gradientColors, gradientPositions, TileMode.CLAMP);
paint1.setShader(radialGradientShader);*/
//环形颜色填充
SweepGradient sweepGradient = new SweepGradient(this.width/2, this.height/2, arcColors, null);
fillArcPaint.setShader(sweepGradient);
// 设置画笔为白色
//模糊效果
fillArcPaint.setMaskFilter(mBlur);
//设置线的类型,边是圆的
fillArcPaint.setStrokeCap(Paint.Cap.ROUND);
//fillArcPaint.setColor(Color.BLUE);
fillArcPaint.setStrokeWidth(pathWidth);
// 设置类似于左上角坐标，右下角坐标
oval.set(this.width/2 - radius, this.height/2 - radius, this.width/2 + radius, this.height/2 + radius);
// 画圆弧，第二个参数为：起始角度，第三个为跨的角度，第四个为true的时候是实心，false的时候为空心
canvas.drawArc(oval, -90, ((float) progress / max) * 360, false, fillArcPaint);
}
/**
*
* 描述：获取圆的半径
* @return
* @throws
*/
public int getRadius() {
return radius;
}
/**
*
* 描述：设置圆的半径
* @param radius
* @throws
*/
public void setRadius(int radius) {
this.radius = radius;
}
public int getMax() {
return max;
}
public void setMax(int max) {
this.max = max;
}
public int getProgress() {
return progress;
}
public void setProgress(int progress) {
this.progress = progress;
this.invalidate();
if(this.mAbOnProgressListener!=null){
if(this.max <= this.progress){
this.mAbOnProgressListener.onComplete(progress);
}else{
this.mAbOnProgressListener.onProgress(progress);
}
}
}
@Override
protected void onMeasure (int widthMeasureSpec, int heightMeasureSpec){
int height = View.MeasureSpec.getSize(heightMeasureSpec);
int width = View.MeasureSpec.getSize(widthMeasureSpec);
setMeasuredDimension(width,height);
}
public AbOnProgressListener getAbOnProgressListener() {
return mAbOnProgressListener;
}
public void setAbOnProgressListener(AbOnProgressListener mAbOnProgressListener) {
this.mAbOnProgressListener = mAbOnProgressListener;
}
/**
*
* 描述：重置进度
* @throws
*/
public void reset(){
reset = true;
this.progress = 0;
this.invalidate();
}
}