刮刮乐
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GuaGuaKa 类package com.zhy.view;import android.content.Context;import android.graphics.Bitmap;import android.graphics.Bitmap.Config;import android.graphics.Paint.Style;import android.graphics.BitmapFactory;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Paint;import android.graphics.Path;import android.graphics.PorterDuff;import android.graphics.PorterDuffXfermode;import android.graphics.Rect;import android.graphics.RectF;import android.support.v4.widget.SlidingPaneLayout.PanelSlideListener;import android.util.AttributeSet;import android.util.Log;import android.view.MotionEvent;import android.view.View;import com.example.zhy_path.R;public class GuaGuaKa extends View{ /** * 绘制线条的Paint,即用户手指绘制Path */ private Paint mOutterPaint = new Paint(); /** * 记录用户绘制的Path */ private Path mPath = new Path(); /** * 内存中创建的Canvas */ private Canvas mCanvas; /** * mCanvas绘制内容在其上 */ private Bitmap mBitmap; /** * ------------------------以下是奖区的一些变量 */ // private Bitmap mBackBitmap; private boolean isComplete; private Paint mBackPint = new Paint(); private Rect mTextBound = new Rect(); private String mText = "￥500,0000"; private int mLastX; private int mLastY; public GuaGuaKa(Context context) { this(context, null); } public GuaGuaKa(Context context, AttributeSet attrs) { this(context, attrs, 0); } public GuaGuaKa(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); init(); } private void init() { mPath = new Path(); // mBackBitmap = BitmapFactory.decodeResource(getResources(), // R.drawable.t2); setUpOutPaint(); setUpBackPaint(); } /** * 初始化canvas的绘制用的画笔 */ private void setUpBackPaint() { mBackPint.setStyle(Style.FILL); mBackPint.setTextScaleX(2f); mBackPint.setColor(Color.DKGRAY); mBackPint.setTextSize(32); mBackPint.getTextBounds(mText, 0, mText.length(), mTextBound); } @Override protected void onDraw(Canvas canvas) { // canvas.drawBitmap(mBackBitmap, 0, 0, null); // 绘制奖项 canvas.drawText(mText, getWidth() / 2 - mTextBound.width() / 2, getHeight() / 2 + mTextBound.height() / 2, mBackPint); if (!isComplete) { drawPath(); canvas.drawBitmap(mBitmap, 0, 0, null); } } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { super.onMeasure(widthMeasureSpec, heightMeasureSpec); int width = getMeasuredWidth(); int height = getMeasuredHeight(); // 初始化bitmap mBitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888); mCanvas = new Canvas(mBitmap); // 绘制遮盖层 // mCanvas.drawColor(Color.parseColor("#c0c0c0")); mOutterPaint.setStyle(Paint.Style.FILL); mCanvas.drawRoundRect(new RectF(0, 0, width, height), 30, 30, mOutterPaint); mCanvas.drawBitmap(BitmapFactory.decodeResource(getResources(), R.drawable.s_title), null, new RectF(0, 0, width, height), null); } /** * 设置画笔的一些参数 */ private void setUpOutPaint() { // 设置画笔 // mOutterPaint.setAlpha(0); mOutterPaint.setColor(Color.parseColor("#c0c0c0")); mOutterPaint.setAntiAlias(true); mOutterPaint.setDither(true); mOutterPaint.setStyle(Paint.Style.STROKE); mOutterPaint.setStrokeJoin(Paint.Join.ROUND); // 圆角 mOutterPaint.setStrokeCap(Paint.Cap.ROUND); // 圆角 // 设置画笔宽度 mOutterPaint.setStrokeWidth(20); } /** * 绘制线条 */ private void drawPath() { mOutterPaint.setStyle(Paint.Style.STROKE); mOutterPaint .setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_OUT)); mCanvas.drawPath(mPath, mOutterPaint); } @Override public boolean onTouchEvent(MotionEvent event) { int action = event.getAction(); int x = (int) event.getX(); int y = (int) event.getY(); switch (action) { case MotionEvent.ACTION_DOWN: mLastX = x; mLastY = y; mPath.moveTo(mLastX, mLastY); break; case MotionEvent.ACTION_MOVE: int dx = Math.abs(x - mLastX); int dy = Math.abs(y - mLastY); if (dx > 3 || dy > 3) mPath.lineTo(x, y); mLastX = x; mLastY = y; break; case MotionEvent.ACTION_UP: new Thread(mRunnable).start(); break; } invalidate(); return true; } /** * 统计擦除区域任务 */ private Runnable mRunnable = new Runnable() { private int[] mPixels; @Override public void run() { int w = getWidth(); int h = getHeight(); float wipeArea = 0; float totalArea = w * h; Bitmap bitmap = mBitmap; mPixels = new int[w * h]; /** * 拿到所有的像素信息 */ bitmap.getPixels(mPixels, 0, w, 0, 0, w, h); /** * 遍历统计擦除的区域 */ for (int i = 0; i < w; i++) { for (int j = 0; j < h; j++) { int index = i + j * w; if (mPixels[index] == 0) { wipeArea++; } } } /** * 根据所占百分比，进行一些操作 */ if (wipeArea > 0 && totalArea > 0) { int percent = (int) (wipeArea * 100 / totalArea); Log.e("TAG", percent + ""); if (percent > 70) { Log.e("TAG", "清除区域达到70%，下面自动清除"); isComplete = true; postInvalidate(); } } } };}
CircleProcessView类package com.zhy.view;import android.content.Context;import android.content.res.TypedArray;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Paint;import android.graphics.PaintFlagsDrawFilter;import android.graphics.RectF;import android.graphics.drawable.BitmapDrawable;import android.graphics.drawable.Drawable;import android.util.AttributeSet;import android.view.View;import com.example.zhy_path.R;/** * Created by Administrator on 2016/11/1 0001. */public class CircleProcessView extends View { private Context mContext; private float circleWidth; //圆环的宽度 private Paint paint, mPaint, nPaint; private Drawable circlebackground; private Drawable roundbackground; private int circleColor; private int roundProgressColor; private int circleProgressColor; private float progress = 0; //当前进度 private float maxProgress; //最大进度 private float circleMargin; //与控件四边的间距 private float circleArc; //当前进度与初始进度的夹角 private float curPoint_x; //当前进度图标的x,y值 private float curPoint_y; public CircleProcessView(Context context) { super(context); mContext=context; } public CircleProcessView(Context context, AttributeSet attrs) { super(context, attrs); mContext=context; setCustomAttributes(attrs); } public CircleProcessView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); mContext=context; setCustomAttributes(attrs); } private void setCustomAttributes(AttributeSet attrs) { paint = new Paint(); mPaint = new Paint(); TypedArray a = mContext.obtainStyledAttributes(attrs, R.styleable.CircleProgressView); circleMargin = a.getColor(R.styleable.CircleProgressView_circleMargin, 0); maxProgress = a.getColor(R.styleable.CircleProgressView_circleMaxProcess, 100); circleColor = a.getColor(R.styleable.CircleProgressView_circleColor, Color.RED); circleProgressColor = a.getColor(R.styleable.CircleProgressView_circleProgressColor, Color.GREEN); roundProgressColor = a.getColor(R.styleable.CircleProgressView_roundProgressColor, Color.GREEN); circlebackground = a.getDrawable(R.styleable.CircleProgressView_circleBackground); roundbackground = a.getDrawable(R.styleable.CircleProgressView_roundBackground); circleWidth = a.getDimension(R.styleable.CircleProgressView_circleWidth, 5); } @Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); mPaint.setStrokeWidth(circleWidth); //设置圆环的宽度 mPaint.setColor(roundProgressColor); //设置进度的颜色 mPaint.setAntiAlias(true); //消除锯齿 mPaint.setStyle(Paint.Style.STROKE); nPaint = new Paint(); nPaint.setStrokeWidth(circleWidth); nPaint.setColor(roundProgressColor); nPaint.setAntiAlias(true); //消除锯齿 nPaint.setStyle(Paint.Style.FILL); // Bitmap mbmp = BitmapFactory.decodeResource(getResources(), R.drawable.icon_position); /* * 画圆背景 */ BitmapDrawable bd = (BitmapDrawable) roundbackground; float left = circleWidth + circleMargin - 1; float top = circleWidth + circleMargin - 1; float right = getWidth() - left; float bottom = getHeight() - top; RectF dst = new RectF(left, top, right, bottom); canvas.drawBitmap(bd.getBitmap(), null, dst, mPaint); Bitmap mbmp = BitmapFactory.decodeResource(getResources(), R.drawable.psb); /** * 画最外层的大圆环 */ float centre = getWidth() / 2; //获取圆心的x坐标 float cRadius = (centre - circleMargin - circleWidth / 2); //圆环的半径 paint.setColor(circleColor); //设置圆环的颜色 paint.setStyle(Paint.Style.STROKE); //设置空心 paint.setStrokeWidth(circleWidth); //设置圆环的宽度 paint.setAntiAlias(true); //消除锯齿 canvas.drawCircle(centre, centre, cRadius, paint); //画出圆环 /** * 画圆弧 ，画圆环的进度 */ circleArc = 360 * progress / maxProgress; float x0 = getWidth() / 2; float y0 = getHeight() / 2 - (getWidth() / 2 - circleMargin - circleWidth + mbmp.getHeight() / 2); float r0 = getHeight() / 2 - y0; curPoint_x = (float) (x0 + r0 * Math.sin(circleArc * Math.PI / 180)); curPoint_y = (float) (y0 + r0 * (1 - Math.cos(circleArc * Math.PI / 180))); RectF oval = new RectF(centre - cRadius, centre - cRadius, centre + cRadius, centre + cRadius); //用于定义的圆弧的形状和大小的界限 //mPaint.setStrokeCap(Paint.Cap.ROUND);//设置圆角 canvas.drawArc(oval, 270, circleArc, false, mPaint); //根据进度画圆弧 /** * 进度图标 */ RectF recf = new RectF(getWidth() * 0.5f - circleWidth * 0.5f + circleWidth / 10.0f, circleWidth + circleMargin - circleWidth - circleWidth / 10.0f, getWidth() * 0.5f + circleWidth * 0.5f - circleWidth / 10.0f, circleWidth + circleMargin); canvas.save(); canvas.rotate(circleArc, getWidth() / 2, getHeight() / 2); canvas.setDrawFilter(new PaintFlagsDrawFilter(0, Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG)); canvas.drawBitmap(mbmp, null, recf, mPaint); canvas.restore(); } /** * 获取进度.需要同步 * @return */ public synchronized float getProgress() { return progress; } /** * 设置进度，此为线程安全控件，由于考虑多线的问题，需要同步 * 刷新界面调用postInvalidate()能在非UI线程刷新 * @param progress */ public synchronized void setProgress(float progress) { if(progress < 0){ throw new IllegalArgumentException("progress not less than 0"); } if(progress > maxProgress){ progress = maxProgress; } if(progress <= maxProgress){ this.progress = progress; postInvalidate(); } }}
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