Examples with PorterDuffXfermode android.graphics.PorterDuffXfermode used on opensource projects

Example 86 with PorterDuffXfermode

use of android.graphics.PorterDuffXfermode in project Lazy by l123456789jy.

the class BitmapUtil method createReflectionBitmap.

/**
     * 获得带倒影的图片方法
     *
     * @param bitmap 源Bitmap
     * @return 带倒影的Bitmap
     */
public static Bitmap createReflectionBitmap(Bitmap bitmap) {
    final int reflectionGap = 4;
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    Matrix matrix = new Matrix();
    matrix.preScale(1, -1);
    Bitmap reflectionImage = Bitmap.createBitmap(bitmap, 0, height / 2, width, height / 2, matrix, false);
    Bitmap bitmapWithReflection = Bitmap.createBitmap(width, (height + height / 2), Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmapWithReflection);
    canvas.drawBitmap(bitmap, 0, 0, null);
    Paint deafalutPaint = new Paint();
    canvas.drawRect(0, height, width, height + reflectionGap, deafalutPaint);
    canvas.drawBitmap(reflectionImage, 0, height + reflectionGap, null);
    Paint paint = new Paint();
    LinearGradient shader = new LinearGradient(0, bitmap.getHeight(), 0, bitmapWithReflection.getHeight() + reflectionGap, 0x70ffffff, 0x00ffffff, TileMode.CLAMP);
    paint.setShader(shader);
    // Set the Transfer mode to be porter duff and destination in
    paint.setXfermode(new PorterDuffXfermode(Mode.DST_IN));
    // Draw a rectangle using the paint with our linear gradient
    canvas.drawRect(0, height, width, bitmapWithReflection.getHeight() + reflectionGap, paint);
    return bitmapWithReflection;
}

Example 87 with PorterDuffXfermode

use of android.graphics.PorterDuffXfermode in project KJFrameForAndroid by kymjs.

the class RoundImageView method getCroppedRoundBitmap.

/**
     * 获取裁剪后的圆形图片
     * 
     * @param radius
     *            半径
     * @param bmp
     *            要被裁减的图片
     */
public Bitmap getCroppedRoundBitmap(Bitmap bmp, int radius) {
    Bitmap scaledSrcBmp;
    int diameter = radius * 2;
    // 为了防止宽高不相等，造成圆形图片变形，因此截取长方形中处于中间位置最大的正方形图片
    int bmpWidth = bmp.getWidth();
    int bmpHeight = bmp.getHeight();
    int squareWidth = 0, squareHeight = 0;
    int x = 0, y = 0;
    Bitmap squareBitmap;
    if (bmpHeight > bmpWidth) {
        // 高大于宽
        squareWidth = squareHeight = bmpWidth;
        x = 0;
        y = (bmpHeight - bmpWidth) / 2;
        // 截取正方形图片
        squareBitmap = Bitmap.createBitmap(bmp, x, y, squareWidth, squareHeight);
    } else if (bmpHeight < bmpWidth) {
        // 宽大于高
        squareWidth = squareHeight = bmpHeight;
        x = (bmpWidth - bmpHeight) / 2;
        y = 0;
        squareBitmap = Bitmap.createBitmap(bmp, x, y, squareWidth, squareHeight);
    } else {
        squareBitmap = bmp;
    }
    if (squareBitmap.getWidth() != diameter || squareBitmap.getHeight() != diameter) {
        scaledSrcBmp = Bitmap.createScaledBitmap(squareBitmap, diameter, diameter, true);
    } else {
        scaledSrcBmp = squareBitmap;
    }
    Bitmap output = Bitmap.createBitmap(scaledSrcBmp.getWidth(), scaledSrcBmp.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(output);
    Paint paint = new Paint();
    Rect rect = new Rect(0, 0, scaledSrcBmp.getWidth(), scaledSrcBmp.getHeight());
    paint.setAntiAlias(true);
    paint.setFilterBitmap(true);
    paint.setDither(true);
    canvas.drawARGB(0, 0, 0, 0);
    canvas.drawCircle(scaledSrcBmp.getWidth() / 2, scaledSrcBmp.getHeight() / 2, scaledSrcBmp.getWidth() / 2, paint);
    paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
    canvas.drawBitmap(scaledSrcBmp, rect, rect, paint);
    // 回收资源
    // bmp.recycle();
    // squareBitmap.recycle();
    // scaledSrcBmp.recycle();
    bmp = null;
    squareBitmap = null;
    scaledSrcBmp = null;
    return output;
}

Example 88 with PorterDuffXfermode

use of android.graphics.PorterDuffXfermode in project Talon-for-Twitter by klinker24.

the class ImageUtils method getSizedCircle.

public static Bitmap getSizedCircle(Bitmap currentImage, Context context, int dp) {
    int scale = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, context.getResources().getDisplayMetrics());
    if (currentImage == null) {
        return null;
    }
    if (currentImage.getWidth() >= currentImage.getHeight()) {
        currentImage = Bitmap.createBitmap(currentImage, currentImage.getWidth() / 2 - currentImage.getHeight() / 2, 0, currentImage.getHeight(), currentImage.getHeight());
    } else {
        currentImage = Bitmap.createBitmap(currentImage, 0, currentImage.getHeight() / 2 - currentImage.getWidth() / 2, currentImage.getWidth(), currentImage.getWidth());
    }
    Bitmap output;
    try {
        output = Bitmap.createBitmap(scale, scale, Bitmap.Config.ARGB_8888);
    } catch (OutOfMemoryError e) {
        return null;
    }
    Canvas canvas = new Canvas(output);
    Paint paint = new Paint(Paint.FILTER_BITMAP_FLAG);
    Rect rect = new Rect(0, 0, scale, scale);
    paint.setAntiAlias(true);
    canvas.drawARGB(0, 0, 0, 0);
    canvas.drawCircle(scale / 2, scale / 2, (scale / 2) - (scale / 25), paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    try {
        canvas.drawBitmap(currentImage, null, rect, paint);
    } catch (Exception e) {
    // bitmap is null i guess
    }
    ResourceHelper helper = new ResourceHelper(context, "com.klinker.android.twitter");
    paint.setStyle(Paint.Style.STROKE);
    paint.setStrokeWidth(helper.getDimension("contact_picture_border"));
    try {
        TypedArray a = context.getTheme().obtainStyledAttributes(new int[] { R.attr.circle_border });
        int resource = a.getResourceId(0, 0);
        a.recycle();
        paint.setColor(context.getResources().getColor(resource));
    } catch (Exception e) {
        paint.setColor(helper.getColor("circle_outline_dark"));
    }
    canvas.drawCircle(scale / 2, scale / 2, (scale / 2) - (scale / 25), paint);
    return resizeImage(context, output, dp);
}

Example 89 with PorterDuffXfermode

use of android.graphics.PorterDuffXfermode in project GreenDroid by cyrilmottier.

the class MaskImageProcessor method init.

private void init() {
    mFillPaint.setColor(Color.RED);
    mMaskPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
}

Example 90 with PorterDuffXfermode

use of android.graphics.PorterDuffXfermode in project Signal-Android by WhisperSystems.

the class CanvasView method createPaint.

/**
   * This method creates the instance of Paint.
   * In addition, this method sets styles for Paint.
   *
   * @return paint This is returned as the instance of Paint
   */
private Paint createPaint() {
    Paint paint = new Paint();
    paint.setAntiAlias(true);
    paint.setStyle(this.paintStyle);
    paint.setStrokeWidth(this.paintStrokeWidth);
    paint.setStrokeCap(this.lineCap);
    // fixed
    paint.setStrokeJoin(Paint.Join.MITER);
    // for Text
    if (this.mode == Mode.TEXT) {
        paint.setTypeface(this.fontFamily);
        paint.setTextSize(this.fontSize);
        paint.setTextAlign(this.textAlign);
        paint.setStrokeWidth(0F);
    }
    if (this.mode == Mode.ERASER) {
        // Eraser
        paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
        paint.setARGB(0, 0, 0, 0);
    // paint.setColor(this.baseColor);
    // paint.setShadowLayer(this.blur, 0F, 0F, this.baseColor);
    } else {
        // Otherwise
        paint.setColor(this.paintStrokeColor);
        paint.setShadowLayer(this.blur, 0F, 0F, this.paintStrokeColor);
        paint.setAlpha(this.opacity);
    }
    return paint;
}