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

public static BitmapFactory.Options getBitmapDimesions(byte[] img) {

    // Make sure the bitmap is not stored in memory!
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;/*from   ww w  .j av a2  s.com*/

    BitmapFactory.decodeByteArray(img, 0, img.length, options);

    return options;
}

---

From source file:Main.java

public static boolean isValidImagePath(String strImagePath) {
    if (strImagePath == null) {
        return false;
    }/*  w w w. j  a va  2  s. c o  m*/
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;
    BitmapFactory.decodeFile(strImagePath, options);

    return (options.outMimeType != null);
}

---

From source file:Main.java

public static Bitmap loadResource(Context context, int resourceId) {

    Resources resources = context.getResources();

    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inDensity = resources.getDisplayMetrics().densityDpi;
    options.inPurgeable = true;/*from   ww  w. j  av a  2  s. c om*/

    return BitmapFactory.decodeResource(resources, resourceId, options);
}

---

From source file:Main.java

public static final Bitmap getBitmapFromRaw(Context context, int resId) {
    if (resId <= 0)
        return null;
    try {/*  w  w w.  j  a v a  2  s  .  c o  m*/
        InputStream is = context.getResources().openRawResource(resId);
        BitmapFactory.Options imageOptions = new BitmapFactory.Options();
        Bitmap bmp = BitmapFactory.decodeStream(is, null, imageOptions);
        return bmp;
    } catch (Exception ex) {
        ex.printStackTrace();
        return null;
    }
}

---

From source file:Main.java

public static BitmapFactory.Options getBitmapSize(String strImagePath) {
    //==========================================
    // Loaded the temporary bitmap for getting size.
    //==========================================
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;//from   www  .  j  a  v  a2 s  .  c  o m
    //Bitmap photo = BitmapFactory.decodeFile(strPath, options);
    BitmapFactory.decodeFile(strImagePath, options);

    return options;
}

---

From source file:Main.java

public static final Bitmap getBitmapFromUri(Context context, Uri uri) {
    if (uri == null)
        return null;
    try {//from w w w  .j  a  va  2 s.c o  m
        InputStream is = context.getContentResolver().openInputStream(uri);
        BitmapFactory.Options imageOptions = new BitmapFactory.Options();
        Bitmap bmp = BitmapFactory.decodeStream(is, null, imageOptions);
        return bmp;
    } catch (Exception ex) {
        ex.printStackTrace();
        return null;
    }
}

---

From source file:Main.java

public static final boolean checkImageAndSize(Context context, Uri uri, long bytes) {
    if (uri == null)
        return false;

    try {//from  www.  ja v  a  2 s  . c  o m
        InputStream is = context.getContentResolver().openInputStream(uri);
        BitmapFactory.Options imageOptions = new BitmapFactory.Options();
        imageOptions.inJustDecodeBounds = true;
        BitmapFactory.decodeStream(is, null, imageOptions);
        //android.util.Log.d("test77", "Original Image Size: " + imageOptions.outWidth + " x " + imageOptions.outHeight);
        is.close();
        if (imageOptions.outWidth <= 0 || imageOptions.outHeight <= 0) {
            return false;
        }
        is = context.getContentResolver().openInputStream(uri);
        long fileSizeCounter = 0;
        long size;
        byte[] buf = new byte[8192];
        while ((size = is.read(buf, 0, buf.length)) != -1) {
            //android.util.Log.d("test77", "size="+size);
            fileSizeCounter += size;
        }
        is.close();
        if (fileSizeCounter > bytes) {
            return false;
        }
        return true;
    } catch (Exception ex) {
        ex.printStackTrace();
        return false;
    }
}

---

From source file:Main.java

public static BitmapFactory.Options getBitmapSize(String strImagePath, boolean checkOrientation) {
    //==========================================
    // Loaded the temporary bitmap for getting size.
    //==========================================
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;/*ww  w .j a v  a  2  s . c  o  m*/
    //Bitmap photo = BitmapFactory.decodeFile(strPath, options);
    BitmapFactory.decodeFile(strImagePath, options);

    if (checkOrientation) {
        int degree = getExifDegree(strImagePath);
        if (degree == 90 || degree == 270) {
            int temp = options.outWidth;
            options.outWidth = options.outHeight;
            options.outHeight = temp;
        }
    }

    return options;
}

---

From source file:Main.java

public static final Bitmap getBitmapFromUri(Context context, Uri uri, int maxWidth, int maxHeight) {
    if (uri == null)
        return null;
    try {// www  .ja v  a2  s  .c  om
        InputStream is = context.getContentResolver().openInputStream(uri);

        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        // Set height and width in options, does not return an image and no resource taken
        BitmapFactory.decodeStream(is, null, options);
        int pow = 0;
        while (options.outHeight >> pow > maxHeight || options.outWidth >> pow > maxWidth) {
            pow += 1;
        }
        is.close();
        is = context.getContentResolver().openInputStream(uri);
        options.inSampleSize = 1 << pow;
        options.inJustDecodeBounds = false;
        Bitmap bmp = BitmapFactory.decodeStream(is, null, options);

        return bmp;
    } catch (Exception ex) {
        ex.printStackTrace();
        return null;
    }
}

---

From source file:Main.java

/**
 * Creates a <tt>Bitmap</tt> from the given image byte array and scales
 * it to the given <tt>width</tt> and <tt>height</tt>.
 *
 * @param imageBytes the raw image data/*from  ww  w.  j av a  2  s  .  c o m*/
 * @param reqWidth the width to which to scale the image
 * @param reqHeight the height to which to scale the image
 * @return the newly created <tt>Bitmap</tt>
 */
static public Bitmap scaledBitmapFromBytes(byte[] imageBytes, int reqWidth, int reqHeight) {
    // First decode with inJustDecodeBounds=true to check dimensions
    final BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;
    BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.length, options);

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

    // Decode bitmap with inSampleSize set
    options.inJustDecodeBounds = false;
    return BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.length, options);
}

---

• «
• 1
• 2
• »