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  3. android.graphics.Xfermode

Java 类android.graphics.Xfermode 实例源码

项目：andcouchbaseentity    文件：RoundImageView.java    
@Override
protected void onDraw(Canvas canvas) {
    Drawable drawable = getDrawable();
    if (drawable instanceof BitmapDrawable) {
        RectF rectF = new RectF(drawable.getBounds());
        int restoreCount = canvas.saveLayer(rectF, null, Canvas.ALL_SAVE_FLAG);
        getImageMatrix().mapRect(rectF);

        Paint paint = ((BitmapDrawable) drawable).getPaint();
        paint.setAntiAlias(true);
        paint.setColor(0xff000000);

        canvas.drawARGB(0, 0, 0, 0);
        canvas.drawRoundRect(rectF, RADIUS, RADIUS, paint);

        Xfermode restoreMode = paint.getXfermode();
        paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
        super.onDraw(canvas);

        // Restore paint and canvas
        paint.setXfermode(restoreMode);
        canvas.restoreToCount(restoreCount);
    } else {
        super.onDraw(canvas);
    }
}
项目：android-ui-demos    文件：XferModeTestView.java    
@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);

    //创建一个图层，在图层上演示图形混合后的效果
    int sc = canvas.saveLayer(null, mPaint, ALL_SAVE_FLAG);

    canvas.translate(mWidth / 2, mHeight / 2);

    int radius = Math.min(mWidth, mHeight) / 6;
    mPaint.setColor(0xFFFEC336);
    canvas.drawCircle(0, 0, radius, mPaint);

    Xfermode oldMode = mPaint.getXfermode();
    if (mXfermode != null) {
        mPaint.setXfermode(mXfermode);
    }

    int size = Math.min(mWidth, mHeight) / 4;
    mPaint.setColor(0xFF5596FF);
    canvas.drawRect(0, 0, size, size, mPaint);

    mPaint.setXfermode(oldMode);

    canvas.restoreToCount(sc);
}
项目：KTA-Editor    文件：GraphicsUtil.java    
public Bitmap getCircleBitmap(Bitmap bitmap, int n) {
       Bitmap bitmap2 = Bitmap.createBitmap((int)bitmap.getWidth(), (int)bitmap.getHeight(), (Bitmap.Config)Bitmap.Config.ARGB_8888);
       Canvas canvas = new Canvas(bitmap2);
       Paint paint = new Paint();
       Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
       RectF rectF = new RectF(rect);
       paint.setAntiAlias(true);
       paint.setDither(true);
       paint.setFilterBitmap(true);
       canvas.drawARGB(0, 0, 0, 0);
       paint.setColor(-65536);
       canvas.drawOval(rectF, paint);
       paint.setColor(-16776961);
       paint.setStyle(Paint.Style.STROKE);
       paint.setStrokeWidth(4.0f);
       paint.setXfermode((Xfermode)new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
       canvas.drawBitmap(bitmap, rect, rect, paint);
       return bitmap2;
}
项目：Gizwits-WaterHeater_Android    文件：CircularSeekBar.java    
/**
 * 画进度内环
 * 
 * @param int template 温度
 * */
private void drawProgressCircle(Canvas canvas) {
    int sc = canvas.saveLayer(0, 0, width, height, null,
            Canvas.MATRIX_SAVE_FLAG | Canvas.CLIP_SAVE_FLAG
                    | Canvas.HAS_ALPHA_LAYER_SAVE_FLAG
                    | Canvas.FULL_COLOR_LAYER_SAVE_FLAG
                    | Canvas.CLIP_TO_LAYER_SAVE_FLAG);
    canvas.drawBitmap(CircleBg3, null, RectfCircle, circlPaint);

    Xfermode xfermode = new PorterDuffXfermode(PorterDuff.Mode.CLEAR);
    Paint circlePaint2 = new Paint();
    circlePaint2.setAntiAlias(true);
    circlePaint2.setXfermode(xfermode);

    canvas.drawArc(RectfCircle, startAngle + angle, 360 - angle, true, circlePaint2);
    circlePaint2.setXfermode(null);
    canvas.restoreToCount(sc);
}
项目：videoMerge    文件：BitmapManager.java    
private Bitmap MaskBitmap(Bitmap bitmap, Bitmap mask, int size, Xfermode mode) {
    if (null == bitmap || mask == null) {
        return null;
    }
    //定义期望大小的bitmap
    Bitmap dstBmp = Bitmap.createBitmap(size, size, Config.ARGB_8888);
    //定义一个画布
    Canvas canvas = new Canvas(dstBmp);
    //创建一个取消锯齿画笔
    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    //定义需要绘制的某图片上的那一部分矩形空间
    Rect src = new Rect(0, 0, mask.getWidth(), mask.getHeight());
    //定义需要将上面的矩形绘制成新的矩形大小
    Rect dst = new Rect(0, 0, size, size);
    //将蒙版图片绘制成imageview本身的大小,这样从大小才会和UE标注的一样大
    canvas.drawBitmap(mask, src, dst, paint);
    //设置两张图片的相交模式
    //至于这个函数介绍参考网址:http://blog.csdn.net/wm111/article/details/7299294
    paint.setXfermode(mode);
    //将src修改为需要添加mask的bitmap大小,因为是要将此bitmap整个添加上蒙版
    src.right = bitmap.getWidth();
    src.bottom = bitmap.getHeight();
    //在已经绘制的mask上叠加bitmap
    canvas.drawBitmap(bitmap, src, dst, paint);
    return dstBmp;
}
项目：videoMerge    文件：FrameView.java    
private Bitmap MaskBitmap(Bitmap bitmap, Bitmap mask, int size, Xfermode mode) {
    if (null == bitmap || mask == null) {
        return null;
    }
    Bitmap dstBmp = Bitmap.createBitmap(size, size, Config.ARGB_8888);
    Canvas canvas = new Canvas(dstBmp);
    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    Rect src = new Rect(0, 0, mask.getWidth(), mask.getHeight());
    Rect dst = new Rect(0, 0, size, size);
    canvas.drawBitmap(mask, src, dst, paint);
    paint.setXfermode(mode);
    src.right = bitmap.getWidth();
    src.bottom = bitmap.getHeight();
    canvas.drawBitmap(bitmap, src, dst, paint);
    return dstBmp;
}
项目：Tribe    文件：HoverImageView.java    
@Override
protected void onDraw(Canvas canvas) {

    Drawable maiDrawable = getDrawable();
    if (!isInEditMode() && maiDrawable instanceof BitmapDrawable) {
        Paint paint = ((BitmapDrawable) maiDrawable).getPaint();

        Rect bitmapBounds = maiDrawable.getBounds();
        rect.set(bitmapBounds);

        int saveCount = canvas.saveLayer(rect, null,
                   Canvas.MATRIX_SAVE_FLAG |
                   Canvas.CLIP_SAVE_FLAG |
                   Canvas.HAS_ALPHA_LAYER_SAVE_FLAG |
                   Canvas.FULL_COLOR_LAYER_SAVE_FLAG |
                   Canvas.CLIP_TO_LAYER_SAVE_FLAG);
        getImageMatrix().mapRect(rect);

        paint.setAntiAlias(true);
        canvas.drawARGB(0, 0, 0, 0);
        final int color = 0xffffffff;
        paint.setColor(color);
        canvas.drawPath(boundPath, paint);

        Xfermode oldMode = paint.getXfermode();
        paint.setXfermode(duffMode);
        super.onDraw(canvas);
        paint.setXfermode(oldMode);
        canvas.restoreToCount(saveCount);

        drawHover(canvas);
        drawBorder(canvas);
    } else {
        super.onDraw(canvas);
    }
}
项目：SelectName    文件：MaskedImage.java    
protected void onDraw(Canvas paramCanvas) {
    Drawable localDrawable = getDrawable();
    if (localDrawable == null)
        return;
    try {
        if (this.paint == null) {
            Paint localPaint1 = new Paint();
            this.paint = localPaint1;
            this.paint.setFilterBitmap(false);
            Paint localPaint2 = this.paint;
            Xfermode localXfermode1 = MASK_XFERMODE;
            @SuppressWarnings("unused")
            Xfermode localXfermode2 = localPaint2.setXfermode(localXfermode1);
        }
        float f1 = getWidth();
        float f2 = getHeight();
        int i = paramCanvas.saveLayer(0.0F, 0.0F, f1, f2, null, 31);
        int j = getWidth();
        int k = getHeight();
        localDrawable.setBounds(0, 0, j, k);
        localDrawable.draw(paramCanvas);
        if ((this.mask == null) || (this.mask.isRecycled())) {
            Bitmap localBitmap1 = createMask();
            this.mask = localBitmap1;
        }
        Bitmap localBitmap2 = this.mask;
        Paint localPaint3;
        localPaint3 = this.paint;
        paramCanvas.drawBitmap(localBitmap2, 0.0F, 0.0F, localPaint3);
        paramCanvas.restoreToCount(i);
        return;
    } catch (Exception localException) {
        StringBuilder localStringBuilder = new StringBuilder()
                .append("Attempting to draw with recycled bitmap. View ID = ");
        System.out.println("localStringBuilder==" + localStringBuilder);
    }
}
项目：starcor.xul    文件：XulGIFDecoder.java    
public void draw(XulDC dc, int x1, int y1, int w1, int h1, float x2, float y2, float w2, float h2, Paint p) {
    dc.save();
    Xfermode xfermode = p.setXfermode(_colorKeyXferMode);
    if (_xulDrawable == null) {
        _xulDrawable = XulDrawable.fromBitmap(_frameImage, "", "");
    }
    dc.drawBitmap(_xulDrawable, x1, y1, w1, h1, x2, y2, w2, h2, p);
    p.setXfermode(xfermode);
    dc.restore();
}
项目：starcor.xul    文件：XulGIFDecoder.java    
public void draw(Canvas canvas, int x1, int y1, int w1, int h1, float x2, float y2, float w2, float h2, Paint p) {
    if (!_isCurrentFrameDecoded) {
        decodeFrame();
    }
    canvas.save();
    Xfermode xfermode = p.setXfermode(_colorKeyXferMode);
    XulDC.drawBitmap(canvas, _frameImage, x1, y1, w1, h1, x2, y2, w2, h2, p);
    p.setXfermode(xfermode);
    canvas.restore();
}
项目：tinkerDemo    文件：MaskedImage.java    
protected void onDraw(Canvas paramCanvas) {
    Drawable localDrawable = getDrawable();
    if (localDrawable == null)
        return;
    try {
        if (this.paint == null) {
            Paint localPaint1 = new Paint();
            this.paint = localPaint1;
            this.paint.setFilterBitmap(false);
            Paint localPaint2 = this.paint;
            Xfermode localXfermode1 = MASK_XFERMODE;
            @SuppressWarnings("unused")
            Xfermode localXfermode2 = localPaint2.setXfermode(localXfermode1);
        }
        float f1 = getWidth();
        float f2 = getHeight();
        int i = paramCanvas.saveLayer(0.0F, 0.0F, f1, f2, null, 31);
        int j = getWidth();
        int k = getHeight();
        localDrawable.setBounds(0, 0, j, k);
        localDrawable.draw(paramCanvas);
        if ((this.mask == null) || (this.mask.isRecycled())) {
            Bitmap localBitmap1 = createMask();
            this.mask = localBitmap1;
        }
        Bitmap localBitmap2 = this.mask;
        Paint localPaint3;
        localPaint3 = this.paint;
        paramCanvas.drawBitmap(localBitmap2, 0.0F, 0.0F, localPaint3);
        paramCanvas.restoreToCount(i);
        return;
    } catch (Exception localException) {
        StringBuilder localStringBuilder = new StringBuilder()
                .append("Attempting to draw with recycled bitmap. View ID = ");
        System.out.println("localStringBuilder==" + localStringBuilder);
    }
}
项目：monolog-android    文件：MaskedImageView.java    
protected void onDraw(Canvas paramCanvas) {
    Drawable localDrawable = getDrawable();
    if (localDrawable == null)
        return;
    try {
        if (this.paint == null) {
            Paint localPaint1 = new Paint();
            this.paint = localPaint1;
            this.paint.setFilterBitmap(false);
            Paint localPaint2 = this.paint;
            Xfermode localXfermode1 = MASK_XFERMODE;
            @SuppressWarnings("unused")
            Xfermode localXfermode2 = localPaint2.setXfermode(localXfermode1);
        }
        float f1 = getWidth();
        float f2 = getHeight();
        int i = paramCanvas.saveLayer(0.0F, 0.0F, f1, f2, null, 31);
        int j = getWidth();
        int k = getHeight();
        localDrawable.setBounds(0, 0, j, k);
        localDrawable.draw(paramCanvas);
        if ((this.mask == null) || (this.mask.isRecycled())) {
            Bitmap localBitmap1 = createMask();
            this.mask = localBitmap1;
        }
        Bitmap localBitmap2 = this.mask;
        Paint localPaint3 = this.paint;
        paramCanvas.drawBitmap(localBitmap2, 0.0F, 0.0F, localPaint3);
        paramCanvas.restoreToCount(i);
        return;
    } catch (Exception localException) {
        StringBuilder localStringBuilder = new StringBuilder()
                .append("Attempting to draw with recycled bitmap. View ID = ");
        System.out.println("localStringBuilder=="+localStringBuilder);
    }
}
项目：BlurKit-Android    文件：RoundedImageView.java    
@Override
protected void onDraw(Canvas canvas) {
    Drawable myDrawable = getDrawable();
    if (myDrawable!=null && myDrawable instanceof BitmapDrawable && mCornerRadius > 0) {
        Paint paint = ((BitmapDrawable) myDrawable).getPaint();
        final int color = 0xff000000;
        Rect bitmapBounds = myDrawable.getBounds();
        final RectF rectF = new RectF(bitmapBounds);
        int saveCount = canvas.saveLayer(rectF, null,
                Canvas.MATRIX_SAVE_FLAG |
                        Canvas.CLIP_SAVE_FLAG |
                        Canvas.HAS_ALPHA_LAYER_SAVE_FLAG |
                        Canvas.FULL_COLOR_LAYER_SAVE_FLAG |
                        Canvas.CLIP_TO_LAYER_SAVE_FLAG);
        getImageMatrix().mapRect(rectF);

        paint.setAntiAlias(true);
        canvas.drawARGB(0, 0, 0, 0);
        paint.setColor(color);
        canvas.drawRoundRect(rectF, mCornerRadius, mCornerRadius, paint);

        Xfermode oldMode = paint.getXfermode();
        paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
        super.onDraw(canvas);
        paint.setXfermode(oldMode);
        canvas.restoreToCount(saveCount);
    } else {
        super.onDraw(canvas);
    }
}
项目：Gestures-Lock    文件：NLockView.java    
private void clearCanvas(Canvas canvas, Point p) {
    // 将点下面的线清除(前提是父容器必须有设置背景)
    Xfermode xfermode = mPaint.getXfermode();
    int color = mPaint.getColor();
    mPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
    mPaint.setColor(Color.TRANSPARENT);
    canvas.drawCircle(p.x, p.y, mRadius, mPaint);
    mPaint.setXfermode(xfermode);
    mPaint.setColor(color);
}
项目：common-layout-android    文件：MaskedImageView.java    
protected void onDraw(Canvas paramCanvas) {
    Drawable localDrawable = getDrawable();
    if (localDrawable == null)
        return;
    try {
        if (this.paint == null) {
            Paint localPaint1 = new Paint();
            this.paint = localPaint1;
            this.paint.setFilterBitmap(false);
            Paint localPaint2 = this.paint;
            Xfermode localXfermode1 = MASK_XFERMODE;
            @SuppressWarnings("unused")
            Xfermode localXfermode2 = localPaint2.setXfermode(localXfermode1);
        }
        float f1 = getWidth();
        float f2 = getHeight();
        int i = paramCanvas.saveLayer(0.0F, 0.0F, f1, f2, null, Canvas.ALL_SAVE_FLAG);
        int j = getWidth();
        int k = getHeight();
        localDrawable.setBounds(0, 0, j, k);
        localDrawable.draw(paramCanvas);
        if ((this.mask == null) || (this.mask.isRecycled())) {
            Bitmap localBitmap1 = createMask();
            this.mask = localBitmap1;
        }
        Bitmap localBitmap2 = this.mask;
        Paint localPaint3 = this.paint;
        paramCanvas.drawBitmap(localBitmap2, 0.0F, 0.0F, localPaint3);
        paramCanvas.restoreToCount(i);
        return;
    } catch (Exception localException) {
        StringBuilder localStringBuilder = new StringBuilder()
                .append("Attempting to draw with recycled bitmap. View ID = ");
        System.out.println("localStringBuilder=="+localStringBuilder);
    }
}
项目：FriendCircleDemo    文件：MaskedImage.java    
protected void onDraw(Canvas paramCanvas) {
    Drawable localDrawable = getDrawable();
    if (localDrawable == null)
        return;
    try {
        if (this.paint == null) {
            Paint localPaint1 = new Paint();
            this.paint = localPaint1;
            this.paint.setFilterBitmap(false);
            Paint localPaint2 = this.paint;
            Xfermode localXfermode1 = MASK_XFERMODE;
            @SuppressWarnings("unused")
            Xfermode localXfermode2 = localPaint2.setXfermode(localXfermode1);
        }
        float f1 = getWidth();
        float f2 = getHeight();
        int i = paramCanvas.saveLayer(0.0F, 0.0F, f1, f2, null, 31);
        int j = getWidth();
        int k = getHeight();
        localDrawable.setBounds(0, 0, j, k);
        localDrawable.draw(paramCanvas);
        if ((this.mask == null) || (this.mask.isRecycled())) {
            Bitmap localBitmap1 = createMask();
            this.mask = localBitmap1;
        }
        Bitmap localBitmap2 = this.mask;
        Paint localPaint3 = this.paint;
        paramCanvas.drawBitmap(localBitmap2, 0.0F, 0.0F, localPaint3);
        paramCanvas.restoreToCount(i);
        return;
    } catch (Exception localException) {
        StringBuilder localStringBuilder = new StringBuilder()
                .append("Attempting to draw with recycled bitmap. View ID = ");
        System.out.println("localStringBuilder=="+localStringBuilder);
    }
}
项目：AyoSunny    文件：MaskedImage.java    
protected void onDraw(Canvas paramCanvas)
{
    Drawable localDrawable = getDrawable();
    if (localDrawable == null)
        return;
    try
    {
        if (this.paint == null)
        {
            Paint localPaint1 = new Paint();
            this.paint = localPaint1;
            this.paint.setFilterBitmap(false);
            Paint localPaint2 = this.paint;
            Xfermode localXfermode1 = MASK_XFERMODE;
            @SuppressWarnings("unused")
            Xfermode localXfermode2 = localPaint2.setXfermode(localXfermode1);
        }
        float f1 = getWidth();
        float f2 = getHeight();
        int i = paramCanvas.saveLayer(0.0F, 0.0F, f1, f2, null, 31);
        int j = getWidth();
        int k = getHeight();
        localDrawable.setBounds(0, 0, j, k);
        localDrawable.draw(paramCanvas);
        if ((this.mask == null) || (this.mask.isRecycled()))
        {
            Bitmap localBitmap1 = createMask();
            this.mask = localBitmap1;
        }
        Bitmap localBitmap2 = this.mask;
        Paint localPaint3 = this.paint;
        paramCanvas.drawBitmap(localBitmap2, 0.0F, 0.0F, localPaint3);
        paramCanvas.restoreToCount(i);
        return;
    } catch (Exception localException)
    {
        StringBuilder localStringBuilder = new StringBuilder().append("Attempting to draw with recycled bitmap. View ID = ");
        System.out.println("localStringBuilder==" + localStringBuilder);
    }
}
项目：Pioneer    文件：Spans.java    
@Override
public void draw(@NonNull Rect outRect, @NonNull Canvas canvas, CharSequence text, @IntRange(from = 0) int start, @IntRange(from = 0) int end, float x, int top, int y, int bottom, @NonNull Paint paint) {
    if (bitmap == null) {
        bitmap = Bitmap.createBitmap(frame.right - frame.left, frame.bottom - frame.top, Bitmap.Config.ARGB_8888);
        bitmapCanvas = new Canvas(bitmap);
    }
    bitmapCanvas.drawColor(Color.BLACK, PorterDuff.Mode.CLEAR);
    bitmapCanvas.translate(-x, 0);
    super.draw(outRect, bitmapCanvas, text, start, end, x, top, y, bottom, paint);
    Xfermode oldXfermode = paint.getXfermode();
    paint.setXfermode(this.xfermode);
    srcGroup.draw(outRect, bitmapCanvas, text, start, end, x, top, y, bottom, paint);
    paint.setXfermode(oldXfermode);
    canvas.drawBitmap(bitmap, x, 0, null);
}
项目：Noyze    文件：ColorHelper.java    
@SuppressWarnings("unused")
public static void setXfermode(ImageView icon, Xfermode mode) {
    try {
        // Try to load/ cache the xfermode method.
        if (null == xfremode) {
            xfremode = ImageView.class.getDeclaredMethod("setXfermode", Xfermode.class);
            if (null != xfremode) xfremode.setAccessible(true);
        }

        if (null != xfremode) xfremode.invoke(icon, mode);
    } catch (Throwable t) {
        LogUtils.LOGE("ColorHelper", "Error with ImageView#setXfermode", t);
    }
}
项目：Pioneer    文件：Spans.java    
@Override
public void draw(@NonNull Rect outRect, @NonNull Canvas canvas, CharSequence text, @IntRange(from = 0) int start, @IntRange(from = 0) int end, float x, int top, int y, int bottom, @NonNull Paint paint) {
    if (bitmap == null) {
        bitmap = Bitmap.createBitmap(frame.right - frame.left, frame.bottom - frame.top, Bitmap.Config.ARGB_8888);
        bitmapCanvas = new Canvas(bitmap);
    }
    bitmapCanvas.drawColor(Color.BLACK, PorterDuff.Mode.CLEAR);
    bitmapCanvas.translate(-x, 0);
    super.draw(outRect, bitmapCanvas, text, start, end, x, top, y, bottom, paint);
    Xfermode oldXfermode = paint.getXfermode();
    paint.setXfermode(this.xfermode);
    srcGroup.draw(outRect, bitmapCanvas, text, start, end, x, top, y, bottom, paint);
    paint.setXfermode(oldXfermode);
    canvas.drawBitmap(bitmap, x, 0, null);
}
项目：ALLGO    文件：MaskedImage.java    
protected void onDraw(Canvas paramCanvas) {
    Drawable localDrawable = getDrawable();
    if (localDrawable == null)
        return;
    try {
        if (this.paint == null) {
            Paint localPaint1 = new Paint();
            this.paint = localPaint1;
            this.paint.setFilterBitmap(false);
            Paint localPaint2 = this.paint;
            Xfermode localXfermode1 = MASK_XFERMODE;
            @SuppressWarnings("unused")
            Xfermode localXfermode2 = localPaint2.setXfermode(localXfermode1);
        }
        float f1 = getWidth();
        float f2 = getHeight();
        int i = paramCanvas.saveLayer(0.0F, 0.0F, f1, f2, null, 31);
        int j = getWidth();
        int k = getHeight();
        localDrawable.setBounds(0, 0, j, k);
        localDrawable.draw(paramCanvas);
        if ((this.mask == null) || (this.mask.isRecycled())) {
            Bitmap localBitmap1 = createMask();
            this.mask = localBitmap1;
        }
        Bitmap localBitmap2 = this.mask;
        Paint localPaint3 = this.paint;
        paramCanvas.drawBitmap(localBitmap2, 0.0F, 0.0F, localPaint3);
        paramCanvas.restoreToCount(i);
        return;
    } catch (Exception localException) {
        StringBuilder localStringBuilder = new StringBuilder()
                .append("Attempting to draw with recycled bitmap. View ID = ");
        System.out.println("localStringBuilder=="+localStringBuilder);
    }
}
项目：pixate-freestyle-android    文件：PXPaintGroup.java    
@Override
public void setBleningMode(Xfermode mode) {
    super.setBleningMode(mode);
    if (paints != null) {
        for (PXPaint p : paints) {
            p.setBleningMode(mode);
        }
    }
}
项目：RoundedImageView    文件：RoundedImageView.java    
@SuppressLint("NewApi")
private void init(AttributeSet attrs) {
    if (Build.VERSION.SDK_INT >= 11) {
        setLayerType( LAYER_TYPE_SOFTWARE, null );
    }
    borderColor = DEFAULT_BORDER_COLOR;
    if(attrs != null){
        TypedArray array = context.obtainStyledAttributes(attrs, R.styleable._RoundedImageView);
        if(array != null){
            borderColor = array.getColor(R.styleable._RoundedImageView_borderColor, DEFAULT_BORDER_COLOR);
            borderWidth = array.getDimensionPixelSize(R.styleable._RoundedImageView_borderWidth, -1);
            roundWidth = array.getDimensionPixelSize(R.styleable._RoundedImageView_roundWidth, -1);
            array.recycle();
        }
    }
    DisplayMetrics displayMetrics = new DisplayMetrics();
    WindowManager windowManager = (WindowManager) getContext().getSystemService( Context.WINDOW_SERVICE );
    windowManager.getDefaultDisplay().getMetrics( displayMetrics );

    paint = new Paint();
    paint.setStyle( Style.STROKE );
    paint.setColor( borderColor );
    paint.setAntiAlias( true );
    paint.setStrokeWidth( borderWidth );
    Xfermode xfermode = new PorterDuffXfermode( PorterDuff.Mode.SRC );
    paint.setXfermode( xfermode );

    drawRect = new RectF();
    drawPath = new Path();
}
项目：Noyze    文件：ColorHelper.java    
@SuppressWarnings("unused")
public static void setXfermode(ImageView icon, Xfermode mode) {
    try {
        // Try to load/ cache the xfermode method.
        if (null == xfremode) {
            xfremode = ImageView.class.getDeclaredMethod("setXfermode", Xfermode.class);
            if (null != xfremode) xfremode.setAccessible(true);
        }

        if (null != xfremode) xfremode.invoke(icon, mode);
    } catch (Throwable t) {
        LogUtils.LOGE("ColorHelper", "Error with ImageView#setXfermode", t);
    }
}
项目：Anki-Android    文件：GraphicsWrap.java    
public void drawImage(BufferedImageWrap image, String tmp, float x, float y){
    //System.err.println("drawImage: " + image.getBitmap().getWidth() + " : "+ image.getBitmap().getHeight());
    Xfermode mode  = paint.getXfermode();
    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_OVER));
    //canvas.drawBitmap(image.getBitmap(), x, y, paint);
    Bitmap bitmap = image.getBitmap();
    bitmap.prepareToDraw();
    canvas.drawBitmap(bitmap, canvas.getClipBounds(), canvas.getClipBounds(), paint);
    paint.setXfermode(mode);
}
项目：android-ui-demos    文件：XferModeTestView.java    
public void setXferMode(Xfermode xferMode) {
    mXfermode = xferMode;
    invalidate();
}
项目：playn    文件：AndroidCanvasState.java    
private Xfermode convertComposite(Canvas.Composite composite) {
  return xfermodes[composite.ordinal()];
}
项目：forplay    文件：AndroidSurfaceState.java    
private Xfermode convertComposite(Canvas.Composite composite) {
  return xfermodes[composite.ordinal()];
}
项目：pixate-freestyle-android    文件：BasePXPaint.java    
public void setBleningMode(Xfermode mode) {
    blendingMode = mode;
}
项目：pixate-freestyle-android    文件：BasePXPaint.java    
public Xfermode getBleningMode() {
    return blendingMode;
}
项目：Android-Jigsaw-Puzzle    文件：DrawingView.java    
/**
 * Set erase to true when the erase button is clicked.
 *
 * @param isErase {@code true} if erase is clicked {@code false} otherwise
 */
public void setErase(boolean isErase) {
    Xfermode xfermode = isErase ? new PorterDuffXfermode(
            PorterDuff.Mode.CLEAR) : null;
    drawPaint.setXfermode(xfermode);
}
项目：pixate-freestyle-android    文件：PXPaint.java    
/**
 * Sets the blend mode to use when applying this fill
 */
void setBleningMode(Xfermode mode);
项目：pixate-freestyle-android    文件：PXPaint.java    
/**
 * Returns the blend mode to use when applying this fill.
 * 
 * @return {@link Xfermode} May be <code>null</code>
 */
Xfermode getBleningMode();