package com.github;
import android.animation.ArgbEvaluator;
import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.LinearGradient;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.RectF;
import android.graphics.Shader;
import android.util.AttributeSet;
import android.view.View;
import android.view.animation.LinearInterpolator;
import android.view.animation.RotateAnimation;
/**
* Created by lumingmin on 16/6/24.
*/
public class LVChromeLogo extends View {
private Paint mPaintRed, mPaintYellow, mPaintGreen, mPaintBulue, mPaintWhite, mPaintLine;
private float mWidth = 0f;
private float mPadding = 0f;
ArgbEvaluator evaluator;
private int endColor = Color.rgb(0, 0, 0);
private int startYellowColor = Color.argb(100, 253, 197, 53);
private int startGreenColor = Color.argb(100, 27, 147, 76);
private int startRedColor = Color.argb(100, 211, 57, 53);
private int lineColor;
RotateAnimation mProgerssRotateAnim;
public LVChromeLogo(Context context) {
this(context, null);
}
public LVChromeLogo(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public LVChromeLogo(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
initPaint();
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
if (getMeasuredWidth() > getHeight())
mWidth = getMeasuredHeight();
else
mWidth = getMeasuredWidth();
mPadding = dip2px(1);
}
private void drawSector(Canvas canvas)
{
RectF rectF = new RectF(mPadding, mPadding,
mWidth - mPadding, mWidth - mPadding);
canvas.drawArc(rectF, -30, 120
, true, mPaintYellow);
canvas.drawArc(rectF, 90, 120
, true, mPaintGreen);
canvas.drawArc(rectF, 210, 120
, true, mPaintRed);
}
private void drawTriangle(Canvas canvas) {
Point point1 = getPoint((mWidth / 2 - mPadding) / 2, 90);
Point point2 = getPoint((mWidth / 2 - mPadding), 150);
Point point3 = getPoint((mWidth / 2 - mPadding) / 2, 210);
Point point4 = getPoint((mWidth / 2 - mPadding), 270);
Point point5 = getPoint((mWidth / 2 - mPadding) / 2, 330);
Point point6 = getPoint((mWidth / 2 - mPadding), 30);
Path pathYellow = new Path();
pathYellow.moveTo(mWidth / 2 - point1.x, mWidth / 2 - point1.y);
pathYellow.lineTo(mWidth / 2 - point2.x, mWidth / 2 - point2.y);
pathYellow.lineTo(mWidth / 2 - point3.x, mWidth / 2 - point3.y);
pathYellow.close();
Path pathGreen = new Path();
pathGreen.moveTo(mWidth / 2 - point3.x, mWidth / 2 - point3.y);
pathGreen.lineTo(mWidth / 2 - point4.x, mWidth / 2 - point4.y);
pathGreen.lineTo(mWidth / 2 - point5.x, mWidth / 2 - point5.y);
pathGreen.close();
Path pathRed = new Path();
pathRed.moveTo(mWidth / 2 - point5.x, mWidth / 2 - point5.y);
pathRed.lineTo(mWidth / 2 - point6.x, mWidth / 2 - point6.y);
pathRed.lineTo(mWidth / 2 - point1.x, mWidth / 2 - point1.y);
pathRed.close();
canvas.drawPath(pathGreen, mPaintGreen);
canvas.drawPath(pathRed, mPaintRed);
canvas.drawPath(pathYellow, mPaintYellow);
for (int i = 0; i < Math.abs(mWidth / 2 - point2.y) / 2f; i++) {
int fraction = 35 - i;
if (fraction > 0) {
lineColor = (Integer) evaluator.evaluate(fraction / 100f, startYellowColor, endColor);
mPaintLine.setColor(lineColor);
} else {
mPaintLine.setColor(Color.argb(0, 0, 0, 0));
}
canvas.drawLine(mWidth / 2, point2.y + i,
mWidth / 2 - point2.x * 8f / 10f, mWidth / 2 - point2.y
, mPaintLine);
}
for (int i = 0; i < Math.abs(point3.x) / 2f; i++) {
int fraction = 35 - i;
if (fraction > 0) {
lineColor = (Integer) evaluator.evaluate(fraction / 100f, startGreenColor, endColor);
mPaintLine.setColor(lineColor);
} else
mPaintLine.setColor(Color.argb(0, 0, 0, 0));
canvas.drawLine(mWidth / 2 - point3.x - i, mWidth / 2 - point3.y,
mWidth / 2 - point4.x, mWidth / 2 - point4.y
, mPaintLine);
}
for (int i = 0; i < Math.abs(mWidth / 2 - point5.x) / 2f; i++) {
int fraction = 30 - i;
if (fraction > 0) {
lineColor = (Integer) evaluator.evaluate(fraction / 100f, startRedColor, endColor);
mPaintLine.setColor(lineColor);
} else
mPaintLine.setColor(Color.argb(0, 0, 0, 0));
canvas.drawLine(mWidth / 2 - point5.x + i, mWidth / 2 - point5.y,
mWidth / 2 - point6.x, mWidth / 2 - point6.y
, mPaintLine);
}
}
private void drawCircle(Canvas canvas) {
canvas.drawCircle(mWidth / 2, mWidth / 2, (mWidth / 2 - mPadding) / 2, mPaintWhite);
canvas.drawCircle(mWidth / 2, mWidth / 2, (mWidth / 2 - mPadding) / 2 / 6 * 5, mPaintBulue);
}
@SuppressLint("NewApi")
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
setLayerType(LAYER_TYPE_SOFTWARE, null);
canvas.save();
drawSector(canvas);
drawTriangle(canvas);
drawCircle(canvas);
canvas.restore();
}
public void startAnim() {
stopAnim();
mProgerssRotateAnim.setDuration(1500);
startAnimation(mProgerssRotateAnim);
}
public void stopAnim() {
clearAnimation();
}
private class Point {
private float x;
private float y;
private Point(float x, float y) {
this.x = x;
this.y = y;
}
}
private Point getPoint(float radius, float angle) {
float x = (float) ((radius) * Math.cos(angle * Math.PI / 180f));
float y = (float) ((radius) * Math.sin(angle * Math.PI / 180f));
Point p = new Point(x, y);
return p;
}
private void initPaint() {
evaluator = new ArgbEvaluator();
mPaintRed = new Paint();
mPaintRed.setAntiAlias(true);
mPaintRed.setStyle(Paint.Style.FILL);
mPaintRed.setColor(Color.rgb(211, 57, 53));
mPaintYellow = new Paint();
mPaintYellow.setAntiAlias(true);
mPaintYellow.setStyle(Paint.Style.FILL);
mPaintYellow.setColor(Color.rgb(253, 197, 53));
mPaintGreen = new Paint();
mPaintGreen.setAntiAlias(true);
mPaintGreen.setStyle(Paint.Style.FILL);
mPaintGreen.setColor(Color.rgb(27, 147, 76));
mPaintBulue = new Paint();
mPaintBulue.setAntiAlias(true);
mPaintBulue.setStyle(Paint.Style.FILL);
mPaintBulue.setColor(Color.rgb(61, 117, 242));
mPaintWhite = new Paint();
mPaintWhite.setAntiAlias(true);
mPaintWhite.setStyle(Paint.Style.FILL);
mPaintWhite.setColor(Color.WHITE);
mPaintLine = new Paint();
mPaintLine.setAntiAlias(true);
mPaintLine.setStyle(Paint.Style.FILL);
mPaintLine.setColor(Color.argb(30, 0, 0, 0));
mProgerssRotateAnim = new RotateAnimation(0f, 360f, android.view.animation.Animation.RELATIVE_TO_SELF,
0.5f, android.view.animation.Animation.RELATIVE_TO_SELF, 0.5f);
mProgerssRotateAnim.setRepeatCount(-1);
mProgerssRotateAnim.setInterpolator(new LinearInterpolator());
mProgerssRotateAnim.setFillAfter(true);
}
public int dip2px(float dpValue) {
final float scale = getContext().getResources().getDisplayMetrics().density;
return (int) (dpValue * scale + 0.5f);
}
}
