Example usage for android.graphics Matrix postTranslate

Introduction

In this page you can find the example usage for android.graphics Matrix postTranslate.

Prototype

public boolean postTranslate(float dx, float dy) 

Source Link

Document

Postconcats the matrix with the specified translation.

Usage

From source file:Main.java

public static Bitmap adjustPhotoRotation(Bitmap bm, final int orientationDegree) {
    Matrix m = new Matrix();
    m.setRotate(orientationDegree, (float) bm.getWidth() / 2, (float) bm.getHeight() / 2);
    float targetX, targetY;
    if (orientationDegree == 90) {
        targetX = bm.getHeight();/*from  ww  w . ja  v a 2 s  .co  m*/
        targetY = 0;
    } else {
        targetX = bm.getHeight();
        targetY = bm.getWidth();
    }
    final float[] values = new float[9];
    m.getValues(values);
    float x1 = values[Matrix.MTRANS_X];
    float y1 = values[Matrix.MTRANS_Y];
    m.postTranslate(targetX - x1, targetY - y1);
    Bitmap bm1 = Bitmap.createBitmap(bm.getHeight(), bm.getWidth(), Bitmap.Config.ARGB_8888);
    Paint paint = new Paint();
    Canvas canvas = new Canvas(bm1);
    canvas.drawBitmap(bm, m, paint);
    bm.recycle();
    bm = null;
    return bm1;
}

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From source file:Main.java

public static Bitmap adjustPhotoRotation(Bitmap bm, final int orientationDegree) {

    Matrix m = new Matrix();
    m.setRotate(orientationDegree, (float) bm.getWidth() / 2, (float) bm.getHeight() / 2);
    float targetX, targetY;
    if (orientationDegree == 90) {
        targetX = bm.getHeight();/*from   w  w w  .j a  v  a 2 s  .  c  o m*/
        targetY = 0;
    } else {
        targetX = bm.getHeight();
        targetY = bm.getWidth();
    }

    final float[] values = new float[9];
    m.getValues(values);

    float x1 = values[Matrix.MTRANS_X];
    float y1 = values[Matrix.MTRANS_Y];

    m.postTranslate(targetX - x1, targetY - y1);

    Bitmap temp = Bitmap.createBitmap(bm.getHeight(), bm.getWidth(), Bitmap.Config.ARGB_8888);

    Paint paint = new Paint();
    Canvas canvas = new Canvas(temp);
    canvas.drawBitmap(bm, m, paint);

    return temp;
}

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From source file:Main.java

private static Bitmap decodeExifBitmap(File file, Bitmap src) {
    try {/*from w  ww  .  ja  v  a 2s .  c o m*/
        // Try to load the bitmap as a bitmap file
        ExifInterface exif = new ExifInterface(file.getAbsolutePath());
        int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, 1);
        if (orientation == ExifInterface.ORIENTATION_UNDEFINED
                || orientation == ExifInterface.ORIENTATION_NORMAL) {
            return src;
        }
        Matrix matrix = new Matrix();
        if (orientation == ExifInterface.ORIENTATION_ROTATE_90) {
            matrix.postRotate(90);
        } else if (orientation == ExifInterface.ORIENTATION_ROTATE_180) {
            matrix.postRotate(180);
        } else if (orientation == ExifInterface.ORIENTATION_ROTATE_270) {
            matrix.postRotate(270);
        } else if (orientation == ExifInterface.ORIENTATION_FLIP_HORIZONTAL) {
            matrix.setScale(-1, 1);
            matrix.postTranslate(src.getWidth(), 0);
        } else if (orientation == ExifInterface.ORIENTATION_FLIP_VERTICAL) {
            matrix.setScale(1, -1);
            matrix.postTranslate(0, src.getHeight());
        }
        // Rotate the bitmap
        return Bitmap.createBitmap(src, 0, 0, src.getWidth(), src.getHeight(), matrix, true);
    } catch (IOException e) {
        // Ignore
    }
    return src;
}

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From source file:com.ruesga.rview.misc.BitmapUtils.java

private static Bitmap decodeExifBitmap(File file, Bitmap src) {
    if (src != null) {
        try {//from   w ww .ja  v  a 2  s  .  c  om
            // Try to load the bitmap as a bitmap file
            ExifInterface exif = new ExifInterface(file.getAbsolutePath());
            int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, 1);
            if (orientation == ExifInterface.ORIENTATION_UNDEFINED
                    || orientation == ExifInterface.ORIENTATION_NORMAL) {
                return src;
            }
            Matrix matrix = new Matrix();
            switch (orientation) {
            case ExifInterface.ORIENTATION_ROTATE_90:
                matrix.postRotate(90);
                break;
            case ExifInterface.ORIENTATION_ROTATE_180:
                matrix.postRotate(180);
                break;
            case ExifInterface.ORIENTATION_ROTATE_270:
                matrix.postRotate(270);
                break;
            case ExifInterface.ORIENTATION_FLIP_HORIZONTAL:
                matrix.setScale(-1, 1);
                matrix.postTranslate(src.getWidth(), 0);
                break;
            case ExifInterface.ORIENTATION_FLIP_VERTICAL:
                matrix.setScale(1, -1);
                matrix.postTranslate(0, src.getHeight());
                break;
            }
            // Rotate the bitmap
            return Bitmap.createBitmap(src, 0, 0, src.getWidth(), src.getHeight(), matrix, true);
        } catch (IOException e) {
            // Ignore
        }
    }
    return src;
}

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From source file:com.f2prateek.dfg.core.GenerateFrameService.java

@Override
public void startingImage(Bitmap screenshot) {
    // Create the large notification icon
    int imageWidth = screenshot.getWidth();
    int imageHeight = screenshot.getHeight();
    int iconSize = resources.getDimensionPixelSize(android.R.dimen.notification_large_icon_height);
    final int shortSide = imageWidth < imageHeight ? imageWidth : imageHeight;

    // Check for if config is null, http://crashes.to/s/dd0857c8648
    Bitmap preview = Bitmap.createBitmap(shortSide, shortSide,
            screenshot.getConfig() == null ? Bitmap.Config.ARGB_8888 : screenshot.getConfig());
    Canvas c = new Canvas(preview);
    Paint paint = new Paint();
    ColorMatrix desat = new ColorMatrix();
    desat.setSaturation(0.25f);/*w  w  w. j  a v a  2s. c  o m*/
    paint.setColorFilter(new ColorMatrixColorFilter(desat));
    Matrix matrix = new Matrix();
    matrix.postTranslate((shortSide - imageWidth) / 2, (shortSide - imageHeight) / 2);
    c.drawBitmap(screenshot, matrix, paint);
    c.drawColor(0x40FFFFFF);

    Bitmap croppedIcon = Bitmap.createScaledBitmap(preview, iconSize, iconSize, true);

    Intent nullIntent = new Intent(this, MainActivity.class);
    nullIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

    notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
    notificationBuilder = new NotificationCompat.Builder(this)
            .setTicker(resources.getString(R.string.screenshot_saving_ticker))
            .setContentTitle(resources.getString(R.string.screenshot_saving_title))
            .setSmallIcon(R.drawable.ic_stat_app_notification)
            .setStyle(new NotificationCompat.BigPictureStyle().bigPicture(preview))
            .setContentIntent(PendingIntent.getActivity(this, 0, nullIntent, 0))
            .setWhen(System.currentTimeMillis()).setProgress(0, 0, true).setLargeIcon(croppedIcon);

    Notification n = notificationBuilder.build();
    n.flags |= Notification.FLAG_NO_CLEAR;
    notificationManager.notify(DFG_NOTIFICATION_ID, n);
}

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From source file:com.sspai.dkjt.service.GenerateFrameService.java

@Override
public void startingImage(Bitmap screenshot) {
    // Create the large notification icon
    int imageWidth = screenshot.getWidth();
    int imageHeight = screenshot.getHeight();
    int iconSize = resources.getDimensionPixelSize(android.R.dimen.notification_large_icon_height);
    final int shortSide = imageWidth < imageHeight ? imageWidth : imageHeight;

    // Check for if config is null, http://crashes.to/s/dd0857c8648
    Bitmap preview = Bitmap.createBitmap(shortSide, shortSide,
            screenshot.getConfig() == null ? Bitmap.Config.ARGB_8888 : screenshot.getConfig());
    Canvas c = new Canvas(preview);
    Paint paint = new Paint();
    ColorMatrix desat = new ColorMatrix();
    desat.setSaturation(0.25f);/*from w  ww .  java  2 s . c  om*/
    paint.setColorFilter(new ColorMatrixColorFilter(desat));
    Matrix matrix = new Matrix();
    matrix.postTranslate((shortSide - imageWidth) / 2, (shortSide - imageHeight) / 2);
    c.drawBitmap(screenshot, matrix, paint);
    c.drawColor(0x40FFFFFF);

    Bitmap croppedIcon = Bitmap.createScaledBitmap(preview, iconSize, iconSize, true);

    Intent nullIntent = new Intent(this, MainActivity.class);
    nullIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

    notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
    notificationBuilder = new NotificationCompat.Builder(this)
            .setTicker(resources.getString(R.string.screenshot_saving_ticker))
            .setContentTitle(resources.getString(R.string.screenshot_saving_title))
            .setSmallIcon(R.drawable.ic_actionbar_logo)
            .setStyle(new NotificationCompat.BigPictureStyle().bigPicture(preview))
            .setContentIntent(PendingIntent.getActivity(this, 0, nullIntent, 0))
            .setWhen(System.currentTimeMillis()).setProgress(0, 0, true).setLargeIcon(croppedIcon);

    Notification n = notificationBuilder.build();
    n.flags |= Notification.FLAG_NO_CLEAR;
    notificationManager.notify(DFG_NOTIFICATION_ID, n);
}

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From source file:com.frapim.windwatch.Notifier.java

private Path getArrowPath(float degrees) {
    Path path = new Path();
    int leftX = (mBigIconSize / 2) - (mArrowWidth / 2);
    int leftHeadX = leftX - mArrowWidth;
    int rightX = (mBigIconSize / 2) + (mArrowWidth / 2);
    int rightHeadX = rightX + mArrowWidth;
    path.moveTo(leftX, mArrowHeight); // bottom left
    path.lineTo(leftX, mArrowHeadHeight); // left, arrow head start
    path.lineTo(leftHeadX, mArrowHeadHeight); //  left, arrow head end 
    path.lineTo(mBigIconSize / 2, 0); // top
    path.lineTo(rightHeadX, mArrowHeadHeight); // right, arrow head end
    path.lineTo(rightX, mArrowHeadHeight); // right, arrow head start
    path.lineTo(rightX, mArrowHeight); // bottom right
    path.lineTo(leftX, mArrowHeight); // bottom left
    path.close();/*from ww  w. ja  va  2  s .c o  m*/
    Matrix translateMatrix = new Matrix();
    translateMatrix.postTranslate(0, 30);
    path.transform(translateMatrix);
    RectF bounds = new RectF();
    path.computeBounds(bounds, true);
    Matrix rotateMatrix = new Matrix();
    rotateMatrix.postRotate(degrees, (bounds.right + bounds.left) / 2, (bounds.bottom + bounds.top) / 2);
    path.transform(rotateMatrix);
    return path;
}

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From source file:br.com.viniciuscr.notification2android.mediaPlayer.MusicUtils.java

static void setBackground(View v, Bitmap bm) {

    if (bm == null) {
        v.setBackgroundResource(0);/*from w w  w. ja v a2 s  .  c  o m*/
        return;
    }

    int vwidth = v.getWidth();
    int vheight = v.getHeight();
    int bwidth = bm.getWidth();
    int bheight = bm.getHeight();
    float scalex = (float) vwidth / bwidth;
    float scaley = (float) vheight / bheight;
    float scale = Math.max(scalex, scaley) * 1.3f;

    Bitmap.Config config = Bitmap.Config.ARGB_8888;
    Bitmap bg = Bitmap.createBitmap(vwidth, vheight, config);
    Canvas c = new Canvas(bg);
    Paint paint = new Paint();
    paint.setAntiAlias(true);
    paint.setFilterBitmap(true);
    ColorMatrix greymatrix = new ColorMatrix();
    greymatrix.setSaturation(0);
    ColorMatrix darkmatrix = new ColorMatrix();
    darkmatrix.setScale(.3f, .3f, .3f, 1.0f);
    greymatrix.postConcat(darkmatrix);
    ColorFilter filter = new ColorMatrixColorFilter(greymatrix);
    paint.setColorFilter(filter);
    Matrix matrix = new Matrix();
    matrix.setTranslate(-bwidth / 2, -bheight / 2); // move bitmap center to origin
    matrix.postRotate(10);
    matrix.postScale(scale, scale);
    matrix.postTranslate(vwidth / 2, vheight / 2); // Move bitmap center to view center
    c.drawBitmap(bm, matrix, paint);
    v.setBackgroundDrawable(new BitmapDrawable(bg));
}

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From source file:com.fractview.ImageViewFragment.java

private void initImageMatrix() {
    // Set initMatrix + inverse to current view-size
    float vw = imageView.getWidth();
    float vh = imageView.getHeight();

    // Right after creation, this view might not 
    // be inside anything and therefore have size 0.
    if (vw <= 0 && vh <= 0)
        return; // do nothing.

    float bw = taskFragment.bitmap().getWidth();
    float bh = taskFragment.bitmap().getHeight();

    RectF viewRect = new RectF(0f, 0f, vw, vh);
    RectF bitmapRect;//from  ww w  .j a  va  2s  . c o m

    if (vw > vh) {
        // if width of view is bigger, match longer side to it
        bitmapRect = new RectF(0f, 0f, Math.max(bw, bh), Math.min(bw, bh));
    } else {
        bitmapRect = new RectF(0f, 0f, Math.min(bw, bh), Math.max(bw, bh));
    }

    viewToImageMatrix.setRectToRect(bitmapRect, viewRect, viewPolicy);

    if (vw > vh ^ bw > bh) {
        // Turn centerImageMatrix by 90 degrees
        Matrix m = new Matrix();
        m.postRotate(90f);
        m.postTranslate(bh, 0);

        viewToImageMatrix.preConcat(m);
    }

    if (!viewToImageMatrix.invert(inverseViewToImageMatrix)) {
        throw new IllegalArgumentException("matrix cannot be inverted...");
    }

    imageView.setImageMatrix(viewToImageMatrix);
}

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From source file:ca.frozen.rpicameraviewer.views.ZoomPanTextureView.java

private void setTransform() {
    // get the view size
    int viewWidth = getWidth();
    int viewHeight = getHeight();

    // scale relative to the center
    Matrix transform = new Matrix();
    transform.postScale(fitZoom.x * zoom, fitZoom.y * zoom, viewWidth / 2, viewHeight / 2);

    // add the panning
    if (pan.x != 0 || pan.y != 0) {
        transform.postTranslate(pan.x, pan.y);
    }/*from   w  ww. ja v a2s. c o m*/

    // set the transform
    setTransform(transform);
    invalidate();
}

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