Example usage for android.graphics Bitmap recycle

List of usage examples for android.graphics Bitmap recycle

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Introduction

In this page you can find the example usage for android.graphics Bitmap recycle.

Prototype

public void recycle()

Source Link

Document

Free the native object associated with this bitmap, and clear the reference to the pixel data.

Usage

From source file:Main.java

public static Bitmap getScaledBitmapFromBitmap(Bitmap bmp, int maxWidth, int maxHeight, boolean keepAspectRatio,
        boolean freeOldBitmap) {
    if (keepAspectRatio) {
        float ratio = bmp.getWidth() == 0 ? 1.f : (bmp.getWidth() / (float) bmp.getHeight());
        float newRatio = maxHeight == 0 ? 1.f : (maxWidth / (float) maxHeight);

        if (newRatio > ratio) {
            maxWidth = (int) ((float) maxHeight * ratio);
        } else if (newRatio < ratio) {
            maxHeight = (int) ((float) maxWidth / ratio);
        }/* w w w  . ja  va 2 s .com*/
    }

    Bitmap scaled = Bitmap.createScaledBitmap(bmp, maxWidth, maxHeight, true);

    if (freeOldBitmap && scaled != bmp) {
        bmp.recycle();
    }

    return scaled;
}

From source file:com.cooliris.media.UriTexture.java

public static String writeHttpDataInDirectory(Context context, String uri, String path) {
    long crc64 = Utils.Crc64Long(uri);
    if (!isCached(crc64, 1024)) {
        Bitmap bitmap;
        try {//from w w w  . j a  v  a 2  s .c  om
            bitmap = UriTexture.createFromUri(context, uri, 1024, 1024, crc64, null);
        } catch (OutOfMemoryError e) {
            return null;
        } catch (IOException e) {
            return null;
        } catch (URISyntaxException e) {
            return null;
        }
        bitmap.recycle();
    }
    String fileString = createFilePathFromCrc64(crc64, 1024);
    try {
        File file = new File(fileString);
        if (file.exists()) {
            // We write a copy of this file
            String newPath = path + (path.endsWith("/") ? "" : "/") + crc64 + ".jpg";
            File newFile = new File(newPath);
            Utils.Copy(file, newFile);
            return newPath;
        }
        return null;
    } catch (Exception e) {
        return null;
    }
}

From source file:Main.java

/**
 * Cut Bitmap/*from  w w w .j av a 2s. c  o  m*/
 * Bitmap memory size is adjusted depending on input dimensions
 * decodeCropBitmapFromResource
 */
public static Bitmap decodeCropBitmapFromResource(Resources res, int resId, int x, int y, int width,
        int height) {

    Bitmap bitmap;
    Bitmap croppedBitmap;
    final BitmapFactory.Options options = new BitmapFactory.Options();

    // First decode with inJustDecodeBounds=true to check dimensions
    options.inJustDecodeBounds = true;
    BitmapFactory.decodeResource(res, resId, options);

    // Decode bitmap with inSampleSize set
    options.inJustDecodeBounds = false;
    // Enables bitmap re-usage
    options.inMutable = true;

    /* EFFICIENT Crop ? - Creates new Bitmap */// <- Best option?
    bitmap = BitmapFactory.decodeResource(res, resId, options);
    croppedBitmap = Bitmap.createBitmap(bitmap, x, y, width, height);
    bitmap.recycle();

    /* EFFICIENT Crop ? - Reuses bitmap, but it is slow */
    //        croppedBitmap = BitmapFactory.decodeResource(res, resId, options);
    //        int[] pixels = getPixelsFromBitmap(croppedBitmap,
    //                x, y,
    //                width, height);
    //        croppedBitmap.setPixels(pixels, 0, width,
    //                0, 0,
    //                width, height);

    return croppedBitmap;
}

From source file:Main.java

/**
 * @param context//w  w  w .  j a v  a2s.  c o  m
 * @param data
 * @return
 */
@Nullable
public static byte[] retrieveSelectedImage(@NonNull Context context, @NonNull Intent data) {
    InputStream inStream = null;
    Bitmap bitmap = null;
    try {
        inStream = context.getContentResolver().openInputStream(data.getData());
        bitmap = BitmapFactory.decodeStream(inStream);
        final ByteArrayOutputStream outStream = new ByteArrayOutputStream();
        bitmap.compress(Bitmap.CompressFormat.JPEG, 100, outStream);
        return outStream.toByteArray();
    } catch (FileNotFoundException e) {
        return null;
    } finally {
        if (inStream != null) {
            try {
                inStream.close();
            } catch (IOException ignored) {
            }
        }
        if (bitmap != null) {
            bitmap.recycle();
        }
    }
}

From source file:Main.java

public static Bitmap toRoundCorner(Bitmap bitmap, int pixels) {
    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(output);
    final int color = 0xffffffff;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final RectF rectF = new RectF(rect);
    final float roundPx = pixels;
    paint.setAntiAlias(true);/*from ww w.j  a v  a 2 s.c  o m*/
    canvas.drawARGB(0, 255, 255, 255);
    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;
}

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

@SuppressWarnings("deprecation")
public static Bitmap decodeBitmap(File file, int dstWidth, int dstHeight) {
    // First decode with inJustDecodeBounds=true to check dimensions
    final Options options = new Options();
    options.inScaled = false;/*from   w  w w  . jav a 2  s. c om*/
    options.inDither = true;
    options.inPreferQualityOverSpeed = false;
    options.inPreferredConfig = Bitmap.Config.ARGB_8888;
    // Deprecated, but still valid for KitKat and lower apis
    options.inPurgeable = true;
    options.inInputShareable = true;
    options.inJustDecodeBounds = true;
    BitmapFactory.decodeFile(file.getAbsolutePath(), options);

    // Decode the bitmap with inSampleSize set
    options.inSampleSize = calculateBitmapRatio(options, dstWidth, dstHeight);
    options.inJustDecodeBounds = false;
    Bitmap bitmap = BitmapFactory.decodeFile(file.getAbsolutePath(), options);
    if (bitmap == null) {
        return null;
    }

    // Test if the bitmap has exif format, and decode properly
    Bitmap out = decodeExifBitmap(file, bitmap);
    if (out != null && !out.equals(bitmap)) {
        bitmap.recycle();
    }
    return out;
}

From source file:Main.java

public static Bitmap getCircleBitmap(Bitmap bitmap, boolean recycleable) {
    final Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    final Canvas canvas = new Canvas(output);

    final int color = Color.RED;
    final Paint paint = new Paint();
    final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
    final RectF rectF = new RectF(rect);

    paint.setAntiAlias(true);//from w  w  w  .j av a 2s  .  c  o m
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawOval(rectF, paint);

    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(bitmap, rect, rect, paint);
    if (recycleable) {
        bitmap.recycle();
    }
    return output;
}

From source file:Main.java

public static Bitmap decodeCropBitmapFromByteArray(byte[] byteArray, int x, int y, int width, int height) {

    Bitmap bitmap;
    Bitmap croppedBitmap;/*from   w ww .  ja  v a2 s  .  c om*/
    final BitmapFactory.Options options = new BitmapFactory.Options();

    // First decode with inJustDecodeBounds=true to check dimensions
    options.inJustDecodeBounds = true;
    BitmapFactory.decodeByteArray(byteArray, 0, byteArray.length, options);

    // Decode bitmap with inSampleSize set
    options.inJustDecodeBounds = false;
    // Enables bitmap re-usage
    options.inMutable = true;

    /* EFFICIENT Crop ? - Creates new Bitmap */// <- Best option?
    bitmap = BitmapFactory.decodeByteArray(byteArray, 0, byteArray.length, options);
    croppedBitmap = Bitmap.createBitmap(bitmap, x, y, width, height);
    bitmap.recycle();

    /* EFFICIENT Crop ? - Reuses bitmap, but it is slow */
    //        croppedBitmap = BitmapFactory.decodeResource(res, resId, options);
    //        int[] pixels = getPixelsFromBitmap(croppedBitmap,
    //                x, y,
    //                width, height);
    //        croppedBitmap.setPixels(pixels, 0, width,
    //                0, 0,
    //                width, height);

    return croppedBitmap;
}

From source file:Main.java

public static Bitmap getRoundedCornerBitmap(Bitmap bitmap) {
    Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(output);

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

    paint.setAntiAlias(true);/*from  w  w w  .j  a  v  a  2 s .co  m*/
    canvas.drawARGB(0, 0, 0, 0);
    paint.setColor(color);
    canvas.drawRoundRect(rectF, roundPx, roundPx, paint);

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

    if (null != bitmap) {
        bitmap.recycle();
        bitmap = null;
    }

    return output;
}

From source file:Main.java

public static Bitmap roundCorners(final Bitmap source, final float radius) {
    int width = source.getWidth();
    int height = source.getHeight();

    Paint paint = new Paint();
    paint.setAntiAlias(true);//from  w  w  w .  ja  va2  s.  co  m
    paint.setColor(Color.WHITE);

    Bitmap clipped = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    Canvas canvas = new Canvas(clipped);
    canvas.drawRoundRect(new RectF(0, 0, width, height), radius, radius, paint);
    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_IN));

    Bitmap rounded = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    canvas = new Canvas(rounded);
    canvas.drawBitmap(source, 0, 0, null);
    canvas.drawBitmap(clipped, 0, 0, paint);

    source.recycle();
    clipped.recycle();

    return rounded;
}