android.graphics.BitmapShader#setLocalMatrix

Source File: HoldingButton.java From HoldingButton with Apache License 2.0

6 votes

public void setIcon(@Nullable Bitmap bitmap) {
    if (bitmap != null) {
        mIconWidth = bitmap.getWidth();
        mIconHeight = bitmap.getHeight();
        mIconShader = new BitmapShader(bitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
        mIconShader.setLocalMatrix(mIconMatrix);
        mIconPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
        mIconPaint.setShader(mIconShader);
        mIconPaint.setColorFilter(new PorterDuffColorFilter(Color.WHITE, PorterDuff.Mode.SRC_IN));

        invalidate();
    } else {
        mIconWidth = 0;
        mIconHeight = 0;
        mIconShader = null;
        mIconMatrix = null;
        mIconPaint = null;
    }
}

Source File: CircularImageView.java From social-app-android with Apache License 2.0

6 votes

private void updateShader() {
    if (image == null)
        return;

    // Crop Center Image
    image = cropBitmap(image);

    // Create Shader
    BitmapShader shader = new BitmapShader(image, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);

    // Center Image in Shader
    Matrix matrix = new Matrix();
    matrix.setScale((float) canvasSize / (float) image.getWidth(), (float) canvasSize / (float) image.getHeight());
    shader.setLocalMatrix(matrix);

    // Set Shader in Paint
    paint.setShader(shader);
}

Source File: CircularImageView.java From social-app-android with Apache License 2.0

6 votes

private void updateShader() {
    if (image == null)
        return;

    // Crop Center Image
    image = cropBitmap(image);

    // Create Shader
    BitmapShader shader = new BitmapShader(image, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);

    // Center Image in Shader
    Matrix matrix = new Matrix();
    matrix.setScale((float) canvasSize / (float) image.getWidth(), (float) canvasSize / (float) image.getHeight());
    shader.setLocalMatrix(matrix);

    // Set Shader in Paint
    paint.setShader(shader);
}

Source File: ImageDrawable.java From ucar-weex-core with Apache License 2.0

6 votes

private static void updateShaderAndSize(@NonNull ImageView.ScaleType scaleType, int vWidth, int vHeight, ImageDrawable imageDrawable, BitmapShader bitmapShader) {
  Matrix matrix = createShaderMatrix(scaleType, vWidth, vHeight,
                                     imageDrawable.bitmapWidth,
                                     imageDrawable.bitmapHeight);
  int intrinsicWidth = vWidth, intrinsicHeight = vHeight;
  if (scaleType == ImageView.ScaleType.FIT_CENTER) {
    RectF bitmapRect = new RectF(0, 0, imageDrawable.bitmapWidth, imageDrawable.bitmapHeight), contentRect = new RectF();
    matrix.mapRect(contentRect, bitmapRect);
    intrinsicWidth = (int) contentRect.width();
    intrinsicHeight = (int) contentRect.height();
    matrix = createShaderMatrix(scaleType, intrinsicWidth, intrinsicHeight, imageDrawable
        .bitmapWidth, imageDrawable.bitmapHeight);
  }
  imageDrawable.setIntrinsicWidth(intrinsicWidth);
  imageDrawable.setIntrinsicHeight(intrinsicHeight);
  bitmapShader.setLocalMatrix(matrix);
}

Source File: CircleImageView.java From DMAudioStreamer with Apache License 2.0

6 votes

private void updateShader() {
    if (image == null)
        return;

    // Crop Center Image
    image = cropBitmap(image);

    // Create Shader
    BitmapShader shader = new BitmapShader(image, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);

    // Center Image in Shader
    Matrix matrix = new Matrix();
    matrix.setScale((float) canvasSize / (float) image.getWidth(), (float) canvasSize / (float) image.getHeight());
    shader.setLocalMatrix(matrix);

    // Set Shader in Paint
    paint.setShader(shader);
}

Source File: HoldingButton.java From HoldingButton with Apache License 2.0

6 votes

public void setCancelIcon(@Nullable Bitmap bitmap) {
    if (bitmap != null) {
        mCancelIconWidth = bitmap.getWidth();
        mCancelIconHeight = bitmap.getHeight();
        mCancelIconShader = new BitmapShader(bitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
        mCancelIconShader.setLocalMatrix(mCancelIconMatrix);
        mCancelIconPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
        mCancelIconPaint.setShader(mCancelIconShader);
        mCancelIconPaint.setColorFilter(new PorterDuffColorFilter(Color.WHITE, PorterDuff.Mode.SRC_IN));

        invalidate();
    } else {
        mCancelIconWidth = 0;
        mCancelIconHeight = 0;
        mCancelIconMatrix = null;
        mCancelIconPaint = null;
    }
}

Source File: BorderRoundTransformation2.java From ImageLoader with Apache License 2.0

5 votes

/**
 * 通过BitmapShader 圆角边框
 * @param bitmap
 * @param outWidth
 * @param outHeight
 * @param radius
 * @param boarder
 * @return
 */
public static Bitmap getRoundBitmapByShader(Bitmap bitmap, int outWidth, int outHeight, int radius, int boarder) {
    if (bitmap == null) {
        return null;
    }
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    float widthScale = outWidth * 1f / width;
    float heightScale = outHeight * 1f / height;

    Matrix matrix = new Matrix();
    matrix.setScale(widthScale, heightScale);
    //创建输出的bitmap
    Bitmap desBitmap = Bitmap.createBitmap(outWidth, outHeight, Bitmap.Config.ARGB_8888);
    //创建canvas并传入desBitmap，这样绘制的内容都会在desBitmap上
    Canvas canvas = new Canvas(desBitmap);
    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    //创建着色器
    BitmapShader bitmapShader = new BitmapShader(bitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
    //给着色器配置matrix
    bitmapShader.setLocalMatrix(matrix);
    paint.setShader(bitmapShader);
    //创建矩形区域并且预留出border
    RectF rect = new RectF(boarder, boarder, outWidth - boarder, outHeight - boarder);
    //把传入的bitmap绘制到圆角矩形区域内
    canvas.drawRoundRect(rect, radius, radius, paint);

    if (boarder > 0) {
        //绘制boarder
        Paint boarderPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
        boarderPaint.setColor(Color.GREEN);
        boarderPaint.setStyle(Paint.Style.STROKE);
        boarderPaint.setStrokeWidth(boarder);
        canvas.drawRoundRect(rect, radius, radius, boarderPaint);
    }
    return desBitmap;
}

Source File: RoundedDrawable.java From Android with MIT License

5 votes

@Override
public void draw(@NonNull Canvas canvas) {
  if (mRebuildShader) {
    BitmapShader bitmapShader = new BitmapShader(mBitmap, mTileModeX, mTileModeY);
    if (mTileModeX == Shader.TileMode.CLAMP && mTileModeY == Shader.TileMode.CLAMP) {
      bitmapShader.setLocalMatrix(mShaderMatrix);
    }
    mBitmapPaint.setShader(bitmapShader);
    mRebuildShader = false;
  }

  if (mOval) {
    if (mBorderWidth > 0) {
      canvas.drawOval(mDrawableRect, mBitmapPaint);
      canvas.drawOval(mBorderRect, mBorderPaint);
    } else {
      canvas.drawOval(mDrawableRect, mBitmapPaint);
    }
  } else {
    if (any(mCornersRounded)) {
      float radius = mCornerRadius;
      if (mBorderWidth > 0) {
        canvas.drawRoundRect(mDrawableRect, radius, radius, mBitmapPaint);
        canvas.drawRoundRect(mBorderRect, radius, radius, mBorderPaint);
        redrawBitmapForSquareCorners(canvas);
        redrawBorderForSquareCorners(canvas);
      } else {
        canvas.drawRoundRect(mDrawableRect, radius, radius, mBitmapPaint);
        redrawBitmapForSquareCorners(canvas);
      }
    } else {
      canvas.drawRect(mDrawableRect, mBitmapPaint);
      if (mBorderWidth > 0) {
        canvas.drawRect(mBorderRect, mBorderPaint);
      }
    }
  }
}

Source File: NoiseEffect.java From Depth with MIT License

5 votes

public NoiseEffect(Bitmap bitmap, int grainFPS, float scale) {
    super(bitmap, 0, 0);
    shader = new BitmapShader(bitmap, Shader.TileMode.REPEAT, Shader.TileMode.REPEAT);
    matrix = new Matrix();

    shader.setLocalMatrix(matrix);
    paint.setShader(shader);
    paint.setAlpha(144);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SCREEN));
    lastGrainOffset = System.currentTimeMillis();
    this.grainFPS = grainFPS;
    this.scale=scale;
}

Source File: BitmapUtils.java From FastAndroid with Apache License 2.0

5 votes

/**
 * 转为圆形图片
 *
 * @param src         源图片
 * @param recycle     是否回收
 * @param borderSize  边框尺寸
 * @param borderColor 边框颜色
 * @return 圆形图片
 */
public static Bitmap toRound(@NonNull Bitmap src,
                             @IntRange(from = 0) int borderSize,
                             @ColorInt int borderColor,
                             boolean recycle) {
    int width = src.getWidth();
    int height = src.getHeight();
    int size = Math.min(width, height);
    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    Bitmap ret = Bitmap.createBitmap(width, height, src.getConfig());
    float center = size / 2f;
    RectF rectF = new RectF(0, 0, width, height);
    rectF.inset((width - size) / 2f, (height - size) / 2f);
    Matrix matrix = new Matrix();
    matrix.setTranslate(rectF.left, rectF.top);
    matrix.preScale((float) size / width, (float) size / height);
    BitmapShader shader = new BitmapShader(src, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
    shader.setLocalMatrix(matrix);
    paint.setShader(shader);
    Canvas canvas = new Canvas(ret);
    canvas.drawRoundRect(rectF, center, center, paint);
    if (borderSize > 0) {
        paint.setShader(null);
        paint.setColor(borderColor);
        paint.setStyle(Paint.Style.STROKE);
        paint.setStrokeWidth(borderSize);
        float radius = center - borderSize / 2f;
        canvas.drawCircle(width / 2f, height / 2f, radius, paint);
    }
    if (recycle && !src.isRecycled()) src.recycle();
    return ret;
}

Source File: MyUtil.java From ImageLoader with Apache License 2.0

5 votes

public static Bitmap cropCirle(Bitmap source, boolean recycleOriginal) {
    //BitmapPool mBitmapPool = Glide.get(BigLoader.context).getBitmapPool();

    int size = Math.min(source.getWidth(), source.getHeight());

    int width = (source.getWidth() - size) / 2;
    int height = (source.getHeight() - size) / 2;
    //source.setHasAlpha(true);
    Bitmap bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
    //bitmap.setHasAlpha(true);

    Canvas canvas = new Canvas(bitmap);

    //canvas.drawColor(Color.TRANSPARENT);
    //canvas.setBitmap(bitmap);
    Paint paint = new Paint();
    //paint.setColor(Color.TRANSPARENT);
    //paint.setColorFilter()
    BitmapShader shader =
            new BitmapShader(source, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP);
    if (width != 0 || height != 0) {
        // source isn't square, move viewport to center
        Matrix matrix = new Matrix();
        matrix.setTranslate(-width, -height);
        shader.setLocalMatrix(matrix);
    }
    paint.setShader(shader);
    paint.setAntiAlias(true);

    float r = size / 2f;
    canvas.drawCircle(r, r, r, paint);
    if (recycleOriginal) {
        source.recycle();
    }

    return bitmap;
}

Source File: CropCircleTransformation.java From arcusandroid with Apache License 2.0

5 votes

@Override
public Bitmap transform(@NonNull Bitmap source) {
    int size = Math.min(source.getWidth(), source.getHeight());

    int width = (source.getWidth() - size) / 2;
    int height = (source.getHeight() - size) / 2;

    Bitmap bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);

    Canvas canvas = new Canvas(bitmap);
    Paint paint = new Paint();
    BitmapShader shader = new BitmapShader(source, BitmapShader.TileMode.CLAMP,
            BitmapShader.TileMode.CLAMP);
    if (width != 0 || height != 0) {
        // source isn't square, move viewport to centre
        Matrix matrix = new Matrix();
        matrix.setTranslate(-width, -height);
        shader.setLocalMatrix(matrix);
    }
    paint.setShader(shader);
    paint.setAntiAlias(true);

    float r = size / 2f;
    canvas.drawCircle(r, r, r, paint);

    if (bitmap != source && !source.isRecycled()) {
        source.recycle();
    }

    return bitmap;
}

Source File: PictureProgressBar.java From AlbumCameraRecorder with MIT License

5 votes

private void updateDrawableBounds(int h) {
        if (backgroundDrawable != null && barDrawable != null) {
            int bgWidth;
            int barWidth;
            // 根据Drawable资源的宽高计算缩放比例。
            int intrinsicWidth = backgroundDrawable.getIntrinsicWidth();
            int intrinsicHeight = backgroundDrawable.getIntrinsicHeight();
            int barIntrinsicWidth = barDrawable.getIntrinsicWidth();
            int barIntrinsicHeight = barDrawable.getIntrinsicHeight();
            final float bgIntrinsicAspect = (float) intrinsicWidth / intrinsicHeight;
            final float barIntrinsicAspect = (float) barIntrinsicWidth/barIntrinsicHeight;

            bgWidth = (int) (h * bgIntrinsicAspect);
            barWidth = (int) (h * barIntrinsicAspect);

            float bgScaleX = (float) bgWidth / intrinsicWidth;
            float bgScaleY = (float) h / intrinsicHeight;
            float barScaleX = (float) barWidth / barIntrinsicWidth;
            float barScaleY = (float) h / barIntrinsicHeight;

            Matrix bgMatrix = new Matrix();
            bgMatrix.postScale(bgScaleX, bgScaleY);
            BitmapShader bgBitmapShader = new BitmapShader(backgroundDrawable.getBitmap(), Shader.TileMode.REPEAT, Shader.TileMode.REPEAT);
            bgBitmapShader.setLocalMatrix(bgMatrix);

            Matrix barMatrix = new Matrix();
            barMatrix.postScale(barScaleX, barScaleY);
            BitmapShader barBitmapShader = new BitmapShader(barDrawable.getBitmap(), Shader.TileMode.REPEAT, Shader.TileMode.REPEAT);
            barBitmapShader.setLocalMatrix(bgMatrix);
//            Log.d(TAG, "updateDrawableBoun;ds: width" + bgWidth);
//            Log.d(TAG, "updateDrawableBounds: height" + bgHeight);

            paintBackGround.setShader(bgBitmapShader);
            paintBar.setShader(barBitmapShader);

            // 设置Drawable的绘制区域。
//            barDrawable.setBounds(0, 0, bgWidth, bgHeight);
//            backgroundDrawable.setBounds(0, 0, bgWidth, bgHeight);
        }
    }

Source File: ShapeImageView.java From WanAndroid with Apache License 2.0

5 votes

private void setPaintShader() {
    Drawable drawable = this.getDrawable();
    if(drawable == null) throw new NullPointerException("the src image can't be null!");
    mBitmap = drawableToBitmap(drawable);
    BitmapShader bitmapShader = new BitmapShader(mBitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
    Matrix matrix = new Matrix();
    float scaleX = (float) getWidth() / mBitmap.getWidth();
    float scaleY = (float) getHeight() / mBitmap.getHeight();
    matrix.setScale(scaleX, scaleY);
    bitmapShader.setLocalMatrix(matrix);
    mPaint.setShader(bitmapShader);
}

Source File: RoundedDrawable.java From Common with Apache License 2.0

5 votes

@Override
public void draw(@NonNull Canvas canvas) {
    if (mRebuildShader) {
        BitmapShader bitmapShader = new BitmapShader(mBitmap, mTileModeX, mTileModeY);
        if (mTileModeX == Shader.TileMode.CLAMP && mTileModeY == Shader.TileMode.CLAMP) {
            bitmapShader.setLocalMatrix(mShaderMatrix);
        }
        mBitmapPaint.setShader(bitmapShader);
        mRebuildShader = false;
    }

    if (mOval) {
        if (mBorderWidth > 0) {
            canvas.drawOval(mDrawableRect, mBitmapPaint);
            canvas.drawOval(mBorderRect, mBorderPaint);
        } else {
            canvas.drawOval(mDrawableRect, mBitmapPaint);
        }
    } else {
        if (any(mCornersRounded)) {
            float radius = mCornerRadius;
            if (mBorderWidth > 0) {
                canvas.drawRoundRect(mDrawableRect, radius, radius, mBitmapPaint);
                canvas.drawRoundRect(mBorderRect, radius, radius, mBorderPaint);
                redrawBitmapForSquareCorners(canvas);
                redrawBorderForSquareCorners(canvas);
            } else {
                canvas.drawRoundRect(mDrawableRect, radius, radius, mBitmapPaint);
                redrawBitmapForSquareCorners(canvas);
            }
        } else {
            canvas.drawRect(mDrawableRect, mBitmapPaint);
            if (mBorderWidth > 0) {
                canvas.drawRect(mBorderRect, mBorderPaint);
            }
        }
    }
}

Source File: BitmapUtils.java From DevUtils with Apache License 2.0

5 votes

/**
 * 图片圆形处理
 * @param bitmap      待操作源图片
 * @param borderSize  边框尺寸
 * @param borderColor 边框颜色
 * @return 圆形处理后的图片
 */
public static Bitmap round(final Bitmap bitmap, @IntRange(from = 0) final int borderSize, @ColorInt final int borderColor) {
    if (isEmpty(bitmap)) return null;

    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    int size = Math.min(width, height);

    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    float center = size / 2f;
    RectF rectF = new RectF(0, 0, width, height);
    rectF.inset((width - size) / 2f, (height - size) / 2f);

    Matrix matrix = new Matrix();
    matrix.setTranslate(rectF.left, rectF.top);
    if (width != height) {
        matrix.preScale((float) size / width, (float) size / height);
    }
    BitmapShader shader = new BitmapShader(bitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
    shader.setLocalMatrix(matrix);
    paint.setShader(shader);

    Bitmap newBitmap = Bitmap.createBitmap(width, height, bitmap.getConfig());
    Canvas canvas = new Canvas(newBitmap);
    canvas.drawRoundRect(rectF, center, center, paint);

    if (borderSize > 0) {
        paint.setShader(null);
        paint.setColor(borderColor);
        paint.setStyle(Paint.Style.STROKE);
        paint.setStrokeWidth(borderSize);
        float radius = center - borderSize / 2f;
        canvas.drawCircle(width / 2f, height / 2f, radius, paint);
    }
    return newBitmap;
}

Source File: RoundedPagerDrawable.java From letv with Apache License 2.0

5 votes

public void draw(Canvas canvas) {
    if (this.mRebuildShader) {
        BitmapShader bitmapShader = new BitmapShader(this.mBitmap, this.mTileModeX, this.mTileModeY);
        if (this.mTileModeX == TileMode.CLAMP && this.mTileModeY == TileMode.CLAMP) {
            bitmapShader.setLocalMatrix(this.mShaderMatrix);
        }
        this.mBitmapPaint.setShader(bitmapShader);
        this.mRebuildShader = false;
    }
    if (this.mOval) {
        if (this.mBorderWidth > 0.0f) {
            canvas.drawOval(this.mDrawableRect, this.mBitmapPaint);
            canvas.drawOval(this.mBorderRect, this.mBorderPaint);
            return;
        }
        canvas.drawOval(this.mDrawableRect, this.mBitmapPaint);
    } else if (any(this.mCornersRounded)) {
        float radius = this.mCornerRadius;
        if (this.mBorderWidth > 0.0f) {
            canvas.drawRoundRect(this.mDrawableRect, radius, radius, this.mBitmapPaint);
            canvas.drawRoundRect(this.mBorderRect, radius, radius, this.mBorderPaint);
            redrawBitmapForSquareCorners(canvas);
            redrawBorderForSquareCorners(canvas);
            return;
        }
        canvas.drawRoundRect(this.mDrawableRect, radius, radius, this.mBitmapPaint);
        redrawBitmapForSquareCorners(canvas);
    } else {
        canvas.drawRect(this.mDrawableRect, this.mBitmapPaint);
        if (this.mBorderWidth > 0.0f) {
            canvas.drawRect(this.mBorderRect, this.mBorderPaint);
        }
    }
}

Source File: CropCircleTransformation.java From giffun with Apache License 2.0

5 votes

@Override
public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
  Bitmap source = resource.get();
  int size = Math.min(source.getWidth(), source.getHeight());

  int width = (source.getWidth() - size) / 2;
  int height = (source.getHeight() - size) / 2;

  Bitmap bitmap = mBitmapPool.get(size, size, Bitmap.Config.ARGB_8888);
  if (bitmap == null) {
    bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
  }

  Canvas canvas = new Canvas(bitmap);
  Paint paint = new Paint();
  BitmapShader shader =
      new BitmapShader(source, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP);
  if (width != 0 || height != 0) {
    // source isn't square, move viewport to center
    Matrix matrix = new Matrix();
    matrix.setTranslate(-width, -height);
    shader.setLocalMatrix(matrix);
  }
  paint.setShader(shader);
  paint.setAntiAlias(true);

  float r = size / 2f;
  canvas.drawCircle(r, r, r, paint);

  return BitmapResource.obtain(bitmap, mBitmapPool);
}

Source File: RoundImageView.java From star-zone-android with Apache License 2.0

5 votes

/**
     * 获取ImageView中资源图片的Bitmap，利用Bitmap初始化图片着色器,通过缩放矩阵将原资源图片缩放到铺满整个绘制区域，避免边界填充
     */
    private BitmapShader initBitmapShader() {
//        Bitmap bitmap = ((BitmapDrawable) getDrawable()).getBitmap();
        Bitmap bitmap = getBitmapFromVectorDrawable(getDrawable());

        BitmapShader bitmapShader = new BitmapShader(bitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
        float scale = Math.max(width / bitmap.getWidth(), height / bitmap.getHeight());
        matrix.setScale(scale, scale);//将图片宽高等比例缩放，避免拉伸
        bitmapShader.setLocalMatrix(matrix);
        return bitmapShader;
    }

Source File: PrettyDialog.java From PrettyDialog with Apache License 2.0

4 votes

private void updateShader() {
    if (image == null)
        return;

    // Create Shader
    BitmapShader shader = new BitmapShader(image, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);

    // Center Image in Shader
    float scale = 0;
    float dx = 0;
    float dy = 0;

    switch (getScaleType()) {
        case CENTER_CROP:
            if (image.getWidth() * getHeight() > getWidth() * image.getHeight()) {
                scale = getHeight() / (float) image.getHeight();
                dx = (getWidth() - image.getWidth() * scale) * 0.5f;
            } else {
                scale = getWidth() / (float) image.getWidth();
                dy = (getHeight() - image.getHeight() * scale) * 0.5f;
            }
            break;
        case CENTER_INSIDE:
            if (image.getWidth() * getHeight() < getWidth() * image.getHeight()) {
                scale = getHeight() / (float) image.getHeight();
                dx = (getWidth() - image.getWidth() * scale) * 0.5f;
            } else {
                scale = getWidth() / (float) image.getWidth();
                dy = (getHeight() - image.getHeight() * scale) * 0.5f;
            }
            break;
    }

    Matrix matrix = new Matrix();
    matrix.setScale(scale, scale);
    matrix.postTranslate(dx, dy);
    shader.setLocalMatrix(matrix);

    // Set Shader in Paint
    paint.setShader(shader);

    // Apply colorFilter
    paint.setColorFilter(colorFilter);
}

Java Code Examples for android.graphics.BitmapShader#setLocalMatrix()