package?com.eshore.common.library.widget;

import?android.content.Context;
import?android.graphics.Bitmap;
import?android.graphics.BitmapFactory;
import?android.graphics.Canvas;
import?android.graphics.Color;
import?android.graphics.DrawFilter;
import?android.graphics.Paint;
import?android.graphics.PaintFlagsDrawFilter;
import?android.graphics.Path;
import?android.graphics.PixelFormat;
import?android.graphics.PorterDuff;
import?android.graphics.RectF;
import?android.util.AttributeSet;
import?android.view.SurfaceHolder;
import?android.view.SurfaceView;

import?com.eshore.common.library.R;
import?com.eshore.common.library.utils.ViewUtils;

/**
?*?Created?by?Administrator?on?2017/8/16.
?*/

public?class?SurfaceViewDemo2?extends?SurfaceView?implements?SurfaceHolder.Callback?Runnable?{
????private?SurfaceHolder?mHolder;
????//用于繪圖的canvas
????private?Canvas?canvas;
????//子線程標志
????private?boolean?mIsDrawing;


????private?Paint?mWavePaint;
????private?DrawFilter?mDrawFilter;
????private?static?final?int?WAVE_PAINT_COLOR?=?0x26FFFFFF;//?波紋填充顏色
????private?static?final?int?TRANSLATE_X_SPEED_1?=?4;//?第一條水波移動速度
????private?static?final?int?TRANSLATE_X_SPEED_2?=?8;//?第二條水波移動速度
????private?static?final?int?TRANSLATE_X_SPEED_3?=?6;//?第三條水波移動速度
????private?int?mTotalWidth?mTotalHeight;
????private?float?mWaveHeight;//水波紋高度
????private?float?mWaveWidth;//水波紋寬度（半個周期）
????private?float?mWaveHalfWidth;//1/4周期
????private?Path?path;
????private?Path?path2;
????private?Path?path3;
????private?int?mXOffsetSpeed_1;
????private?int?mXOffsetSpeed_2;
????private?int?mXOffsetSpeed_3;
????private?int?mXOffset_1;
????private?int?mXOffset_2;
????private?int?mXOffset_3;

????public?Thread?thread;
????Bitmap?bitmap;

????public?SurfaceViewDemo2（Context?context）?{
????????super（context）;
????????initView（context）;
????}

????public?SurfaceViewDemo2（Context?context?AttributeSet?attrs）?{
????????super（context?attrs）;
????????initView（context）;
????}

????public?SurfaceViewDemo2（Context?context?AttributeSet?attrs?int?defstyleAttr）?{
????????super（context?attrs?defstyleAttr）;
????????initView（context）;
????}

????@Override
????public?void?surfaceCreated（SurfaceHolder?holder）?{
????????clearBlack（）;
????}

????@Override
????public?void?surfaceChanged（SurfaceHolder?holder?int?format?int?width?int?height）?{
????????initParam（width?height）;
????}


????@Override
????public?void?surfaceDestroyed（SurfaceHolder?holder）?{
????????mIsDrawing?=?false;
????????thread=null;
????????bitmap?=?null;
????}

????@Override
????public?void?run（）?{
????????while?（mIsDrawing）?{
????????????draw（）;
????????}
????}
????public?void?clearBlack（）{
????????bitmap?=?BitmapFactory.decodeResource（getResources（）?R.mipmap.bg_white）;
????????Canvas?canvas?=?mHolder.lockCanvas（）;
????????setZOrderOnTop（true）;
????????getHolder（）.setFormat（PixelFormat.TRANSLUCENT）;
????????if?（canvas?!=?null）?{
?????????