Example usage for android.graphics BitmapFactory.Options BitmapFactory.Options

Introduction

In this page you can find the example usage for android.graphics BitmapFactory.Options BitmapFactory.Options.

Prototype

BitmapFactory.Options

Source Link

Usage

From source file:Main.java

/**
 * Decodes <tt>Bitmap</tt> identified by given <tt>resId</tt> scaled to
 * requested width and height.//from  w  ww.  j av a  2s .c om
 * @param res the <tt>Resources</tt> object.
 * @param resId bitmap resource id.
 * @param reqWidth requested width.
 * @param reqHeight requested height.
 * @return  <tt>Bitmap</tt> identified by given <tt>resId</tt> scaled to
 *          requested width and height.
 */
public static Bitmap scaledBitmapFromResource(Resources res, int resId, int reqWidth, int reqHeight) {
    // First decode with inJustDecodeBounds=true to check dimensions
    final BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;
    BitmapFactory.decodeResource(res, resId, options);

    // Calculate inSampleSize
    options.inSampleSize = calculateInSampleSize(options, reqWidth, reqHeight);

    // Decode bitmap with inSampleSize set
    options.inJustDecodeBounds = false;
    return BitmapFactory.decodeResource(res, resId, options);
}

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From source file:Main.java

/**
 * Reads <tt>Bitmap</tt> from given <tt>uri</tt> using
 * <tt>ContentResolver</tt>. Output image is scaled to given
 * <tt>reqWidth</tt> and <tt>reqHeight</tt>. Output size is not guaranteed
 * to match exact given values, because only powers of 2 are used as scale
 * factor. Algorithm tries to scale image down as long as the output size
 * stays larger than requested value./*w  ww . ja v  a  2 s.  co  m*/
 *
 * @param ctx the context used to create <tt>ContentResolver</tt>.
 * @param uri the <tt>Uri</tt> that points to the image.
 * @param reqWidth requested width.
 * @param reqHeight requested height.
 * @return <tt>Bitmap</tt> from given <tt>uri</tt> retrieved using
 * <tt>ContentResolver</tt> and down sampled as close as possible to match
 * requested width and height.
 * @throws IOException
 */
public static Bitmap scaledBitmapFromContentUri(Context ctx, Uri uri, int reqWidth, int reqHeight)
        throws IOException {
    InputStream imageStream = null;
    try {
        // First decode with inJustDecodeBounds=true to check dimensions
        imageStream = ctx.getContentResolver().openInputStream(uri);
        if (imageStream == null)
            return null;

        final BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        BitmapFactory.decodeStream(imageStream, null, options);
        imageStream.close();

        // Calculate inSampleSize
        options.inSampleSize = calculateInSampleSize(options, reqWidth, reqHeight);

        // Decode bitmap with inSampleSize set
        options.inJustDecodeBounds = false;
        imageStream = ctx.getContentResolver().openInputStream(uri);

        return BitmapFactory.decodeStream(imageStream, null, options);
    } finally {
        if (imageStream != null) {
            imageStream.close();
        }
    }
}

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From source file:com.ibuildapp.romanblack.FanWallPlugin.data.Statics.java

/**
 * Sets the downloaded avatar./*from ww w .  j a v  a 2 s.c o  m*/
 *
 * @param filePath file path to avatar image
 */
public static Bitmap publishAvatar(String filePath) {
    Bitmap bitmap = null;

    if (!TextUtils.isEmpty(filePath)) {
        try {
            BitmapFactory.Options opts = new BitmapFactory.Options();
            opts.inSampleSize = 1;
            bitmap = BitmapFactory.decodeFile(filePath, opts);
            int size = 0;
            if (bitmap.getHeight() > bitmap.getWidth()) {
                size = bitmap.getWidth();
            } else {
                size = bitmap.getHeight();
            }
            Bitmap output = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
            Canvas canvas = new Canvas(output);

            final int color = 0xff424242;
            final Paint paint = new Paint();
            final Rect rect = new Rect(0, 0, size, size);
            final RectF rectF = new RectF(rect);
            final float roundPx = 12;

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

            paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
            canvas.drawBitmap(bitmap, rect, rect, paint);

            bitmap.recycle();

            return output;
        } catch (Exception e) {

        }
    }
    return null;
}

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From source file:com.gmail.altakey.lucene.AsyncImageLoader.java

protected BitmapDrawable doInBackground(Void... args) {
    final Context context = this.view.getContext();
    final Resources res = context.getResources();

    try {//from  www .  ja v  a2s .  c o m
        InputStream in = this.read(new ProgressReportingInputStream.ProgressListener() {
            public void onAdvance(long at, long size) {
                publishProgress(at, size);
            }
        });
        BitmapFactory.Options bfo = new BitmapFactory.Options();
        bfo.inDither = true;
        bfo.inPreferredConfig = Bitmap.Config.RGB_565;
        try {
            bfo.inPreferQualityOverSpeed = true;
        } catch (NoSuchFieldError e) {
        }
        Bitmap bitmap = BitmapFactory.decodeStream(in, new Rect(-1, -1, -1, -1), bfo);
        return new BitmapDrawable(res, this.scale(bitmap));
    } catch (FileNotFoundException e) {
        return null;
    } catch (OutOfMemoryError e) {
        this.oomMessage.show();
        return null;
    }
}

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From source file:com.ibuildapp.romanblack.FanWallPlugin.data.Statics.java

/**
 * Sets the downloaded attached image./*from w w  w.  j a v a  2  s . c o  m*/
 *
 * @param fileName picture file path
 */
public static Bitmap publishPicture(String fileName) {
    Bitmap bitmap = null;
    try {

        if (!TextUtils.isEmpty(fileName)) {
            try {
                BitmapFactory.Options opts = new BitmapFactory.Options();
                opts.inJustDecodeBounds = true;
                BitmapFactory.decodeFile(fileName, opts);

                //Find the correct scale value. It should be the power of 2.
                int width = opts.outWidth, height = opts.outHeight;
                int scale = 1;
                while (true) {
                    if (width / 2 <= 150 || height / 2 <= 150) {
                        break;
                    }
                    width /= 2;
                    height /= 2;
                    scale *= 2;
                }
                BitmapFactory.Options opt = new BitmapFactory.Options();
                opt.inSampleSize = scale;

                bitmap = BitmapFactory.decodeFile(fileName, opt);
                int size = 0;
                if (bitmap.getHeight() > bitmap.getWidth()) {
                    size = bitmap.getWidth();
                } else {
                    size = bitmap.getHeight();
                }
                Bitmap output = Bitmap.createBitmap(size, size, Bitmap.Config.RGB_565);
                Canvas canvas = new Canvas(output);

                final int color = 0xff424242;
                final Paint paint = new Paint();
                final Rect rect = new Rect(0, 0, size, size);
                final RectF rectF = new RectF(rect);
                final float roundPx = 0;

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

                paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
                canvas.drawBitmap(bitmap, rect, rect, paint);

                bitmap.recycle();

                return output;
            } catch (Exception e) {
                Log.w("", "");
            }
        }
    } catch (Exception ex) {

    }

    return null;
}

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From source file:com.amaze.filemanager.ui.icons.IconHolder.java

public Bitmap loadImage(String path) throws OutOfMemoryError {
    Bitmap bitsat;/*from  ww  w  .j  a  v  a2  s.  co m*/

    try {
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inPreferredConfig = Bitmap.Config.ARGB_8888;
        options.inJustDecodeBounds = true;
        Bitmap b = BitmapFactory.decodeFile(path, options);

        options.inSampleSize = futils.calculateInSampleSize(options, px, px);

        // Decode bitmap with inSampleSize set
        options.inJustDecodeBounds = false;

        Bitmap bit;
        if (path.startsWith("smb:/"))
            bit = BitmapFactory.decodeStream(new SmbFileInputStream(path));
        else
            bit = BitmapFactory.decodeFile(path, options);

        bitsat = bit;// decodeFile(path);//.createScaledBitmap(bits,imageViewReference.get().getHeight(),imageViewReference.get().getWidth(),true);
    } catch (Exception e) {
        Drawable img = ContextCompat.getDrawable(mContext, R.drawable.ic_doc_image);
        Bitmap img1 = ((BitmapDrawable) img).getBitmap();
        bitsat = img1;
    }
    return bitsat;
}

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From source file:com.ibuildapp.romanblack.FanWallPlugin.data.Statics.java

/**
 * Opens Bitmap from file/*  www  .  ja v a2  s.c om*/
 *
 * @param fileName - file path
 * @return
 */
public static Bitmap proccessBitmap(String fileName, Bitmap.Config config, int widthLimit) {

    Bitmap bitmap = null;
    File tempFile = null;
    BitmapFactory.Options opts = new BitmapFactory.Options();
    try {
        // decode image with appropriate options
        tempFile = new File(fileName);
        opts.inJustDecodeBounds = true;
        BitmapFactory.decodeStream(new FileInputStream(tempFile), null, opts);
    } catch (Exception e) {
    }

    //Find the correct scale value. It should be the power of 2.
    int width = opts.outWidth, height = opts.outHeight;
    ;
    int scale = 1;
    while (true) {
        if (width / 2 <= widthLimit || height / 2 <= widthLimit) {
            break;
        }
        width /= 2;
        height /= 2;
        scale *= 2;
    }

    opts = new BitmapFactory.Options();
    opts.inSampleSize = scale;
    opts.inPreferredConfig = config;

    try {
        System.gc();
        bitmap = BitmapFactory.decodeStream(new FileInputStream(tempFile), null, opts);
        if (bitmap != null) {
            return bitmap;
        }
    } catch (Exception ex) {
    } catch (OutOfMemoryError e) {
    }

    try {
        Thread.sleep(300);
    } catch (InterruptedException e) {
        e.printStackTrace();
    }

    try {
        System.gc();
        bitmap = BitmapFactory.decodeStream(new FileInputStream(tempFile), null, opts);
        if (bitmap != null) {
            return bitmap;
        }
    } catch (Exception ex) {
    } catch (OutOfMemoryError ex) {
    }

    try {
        Thread.sleep(300);
    } catch (InterruptedException e) {
        e.printStackTrace();
    }

    try {
        System.gc();
        bitmap = BitmapFactory.decodeStream(new FileInputStream(tempFile), null, opts);
    } catch (Exception ex) {
    } catch (OutOfMemoryError ex) {
    }

    return bitmap;
}

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From source file:com.ibuildapp.romanblack.FanWallPlugin.data.Statics.java

/**
 * Opens Bitmap from stream/* www  .j  av  a 2s  .  com*/
 *
 * @param stream - input stream
 * @return
 */
public static Bitmap proccessBitmap(InputStream stream, Bitmap.Config config) {
    BitmapFactory.Options opts = new BitmapFactory.Options();
    opts.inPreferredConfig = config;
    Bitmap bitmap = null;
    try {
        // decode image with appropriate options
        try {
            System.gc();
            bitmap = BitmapFactory.decodeStream(stream, null, opts);
        } catch (Exception ex) {
            Log.d("", "");
        } catch (OutOfMemoryError e) {
            Log.d("", "");
            System.gc();
            try {
                bitmap = BitmapFactory.decodeStream(stream, null, opts);
            } catch (Exception ex) {
                Log.d("", "");
            } catch (OutOfMemoryError ex) {
                Log.e("decodeImageFile", "OutOfMemoryError");
            }
        }
    } catch (Exception e) {
        Log.d("", "");
        return null;
    }

    return bitmap;
}

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From source file:com.ibuildapp.romanblack.FanWallPlugin.data.Statics.java

/**
 * resize image with proportions/*ww w . j  a va  2  s.c  o m*/
 *
 * @param fileName   - file path
 * @param widthLimit - max width limit
 */
public static Bitmap resizeBitmapToMaxSize(String fileName, int widthLimit) {
    try {
        File tempFile = new File(fileName);
        BitmapFactory.Options opts = new BitmapFactory.Options();
        opts.inJustDecodeBounds = true;
        BitmapFactory.decodeStream(new FileInputStream(tempFile), null, opts);

        //Find the correct scale value. It should be the power of 2.
        int width = opts.outWidth;
        int scale = 1;
        while (true) {
            if (width / 2 <= widthLimit) {
                break;
            }
            width /= 2;
            scale *= 2;
        }

        opts = new BitmapFactory.Options();
        opts.inSampleSize = scale;

        // decode image with appropriate options
        Bitmap bitmap = null;
        try {
            System.gc();
            bitmap = BitmapFactory.decodeStream(new FileInputStream(tempFile), null, opts);
        } catch (Exception ex) {
            Log.d("", "");
        } catch (OutOfMemoryError e) {
            Log.d("", "");
            System.gc();
            try {
                bitmap = BitmapFactory.decodeStream(new FileInputStream(tempFile), null, opts);
            } catch (Exception ex) {
                Log.d("", "");
            } catch (OutOfMemoryError ex) {
                Log.e("decodeImageFile", "OutOfMemoryError");
            }
        }
        return bitmap;

    } catch (FileNotFoundException e) {
        Log.e("", "");
        return null;
    }
}

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