Example usage for android.graphics BitmapFactory decodeFile

Introduction

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

Prototype

public static Bitmap decodeFile(String pathName, Options opts) 

Source Link

Document

Decode a file path into a bitmap.

Usage

From source file:com.karura.framework.plugins.Capture.java

/**
 * Get the Image specific attributes/*from  w  w w  .  j a v  a2 s. co  m*/
 * 
 * @param filePath
 *            path to the file
 * @param obj
 *            represents the Media File Data
 * @return a JSONObject that represents the Media File Data
 * @throws JSONException
 */
private JSONObject getImageMetadata(String filePath, JSONObject obj) throws JSONException {
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;
    BitmapFactory.decodeFile(getRealPathFromURI(Uri.parse(filePath), getActivity()), options);
    obj.put(HEIGHT_FIELD, options.outHeight);
    obj.put(WIDTH_FIELD, options.outWidth);
    return obj;
}

---

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

public static Bitmap createFromCache(long crc64, int maxResolution) {
    try {// w w  w  .j a  v  a  2 s . co m
        String file = null;
        Bitmap bitmap = null;
        final BitmapFactory.Options options = new BitmapFactory.Options();
        options.inScaled = false;
        options.inPreferredConfig = Bitmap.Config.ARGB_8888;
        options.inDither = true;
        options.inSampleSize = 1;
        options.inPurgeable = true;
        if (crc64 != 0) {
            file = createFilePathFromCrc64(crc64, maxResolution);
            bitmap = BitmapFactory.decodeFile(file, options);
        }
        return bitmap;
    } catch (Exception e) {
        return null;
    }
}

---

From source file:com.cssweb.android.base.BaseActivity.java

private int initBitmap() {
    String[] menus = getCustMenus();
    try {/*from w  w w . j  a  v a  2  s. c o  m*/
        if (images == null) {
            initMenu();
        }
        if (images != null) {
            for (String menu : menus) {
                String imagename = getImageNameFromItemName(images, menu);
                Bitmap bitmap = null;
                HashMap<String, Object> map = new HashMap<String, Object>();
                if (imagename != null) {
                    File file = new File(imagename);
                    if (file.exists()) {
                        BitmapFactory.Options options = new BitmapFactory.Options();
                        options.inSampleSize = 2;
                        bitmap = BitmapFactory.decodeFile(imagename, options);
                        map.put(String.valueOf(1), bitmap);
                        map.put("itemname", menu);
                        Config.mapBitmap.add(map);
                    } else {

                    }
                }

            }
        }
    } catch (Exception e) {
        e.printStackTrace();
        return 10;
    }
    return menus.length;
}

---

From source file:Main.java

/**
 * load the bitmap from SDCard with the imgW and imgH
 *
 * @param imgPath resource path//w  ww.ja  v a 2 s .c  o  m
 * @param imgH    result image height
 * @param imgW    result image width
 * @return result bitmap
 */
public static Bitmap loadHugeBitmapFromSDCard(String imgPath, int imgH, int imgW) {
    Log.d(TAG, "imgH:" + imgH + " imgW:" + imgW);

    BitmapFactory.Options options = new BitmapFactory.Options();

    //preload set inJustDecodeBounds true, this will load bitmap into memory
    options.inJustDecodeBounds = true;
    //options.inPreferredConfig = Bitmap.Config.ARGB_8888;//default is Bitmap.Config.ARGB_8888
    BitmapFactory.decodeFile(imgPath, options);

    //get the image information include: height and width
    int height = options.outHeight;
    int width = options.outWidth;
    String mimeType = options.outMimeType;

    Log.d(TAG, "width:" + width + " height:" + height + " mimeType:" + mimeType);

    //get sample size
    int sampleSize = getScaleInSampleSize(width, height, imgW, imgH);
    options.inSampleSize = sampleSize;
    // Decode bitmap with inSampleSize set
    options.inJustDecodeBounds = false;

    Log.d(TAG, "memory size:" + getBitmapSizeInMemory(width / sampleSize, height / sampleSize));
    Bitmap bitmap = BitmapFactory.decodeFile(imgPath, options);

    return bitmap;
}

---

From source file:com.lightbox.android.bitmap.BitmapUtils.java

public static Bitmap decodeFile(String pathName, int maxWidth, int maxHeight) {
    Options options = new Options();
    options.inJustDecodeBounds = true;/*  w  ww  . j  av  a2 s . c  o m*/
    int sampleSize = 1;
    options.inSampleSize = sampleSize;
    BitmapFactory.decodeFile(pathName, options);

    if (maxWidth < options.outWidth || maxHeight < options.outHeight) {
        int sampleSizeW = (int) FloatMath.ceil((float) options.outWidth / maxWidth);
        int sampleSizeH = (int) FloatMath.ceil((float) options.outHeight / maxHeight);
        sampleSize = Math.max(sampleSizeW, sampleSizeH);
        options.inSampleSize = sampleSize;
    }

    options.inJustDecodeBounds = false;

    return BitmapFactory.decodeFile(pathName, options);
}

---

From source file:com.ritul.truckshare.RegisterActivity.DriverLicenseActivity.java

protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    if (requestCode == Utility.GALLERY_PICTURE && data != null) {
        isImage = true;/*from  w  w  w  .j av  a2  s  . co  m*/
        // data contains result
        // Do some task
        Image_Selecting_Task(data);
        Uri selectedImage = data.getData();
        String[] filePathColumn = { MediaStore.Images.Media.DATA };
        Cursor cursor = DriverLicenseActivity.this.getContentResolver().query(selectedImage, filePathColumn,
                null, null, null);
        cursor.moveToFirst();
        int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
        selectedpath = cursor.getString(columnIndex);
        cursor.close();
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inSampleSize = 8;
        final Bitmap bitmap = BitmapFactory.decodeFile(selectedpath, options);
        convertimagetobyte();
        imagedata = Base64.encodeToString(imageByte, Base64.DEFAULT);
    } else if (requestCode == Utility.CAMERA_PICTURE && data != null) {
        isImage = true;
        // Do some task
        //Image_Selecting_Task(data);
        if (requestCode == Utility.CAMERA_PICTURE && resultCode == RESULT_OK && data != null) {
            Bitmap photo = (Bitmap) data.getExtras().get("data");
            preview.setImageBitmap(photo);

            Bitmap bitmap = ((BitmapDrawable) preview.getDrawable()).getBitmap();
            imagedata = Base64.encodeToString(getBytesFromBitmap(bitmap), Base64.DEFAULT);

        }
    }
}

---

From source file:es.eucm.eadandroid.homeapp.repository.resourceHandler.RepoResourceHandler.java

/**
 * Gets the list of saved games from its folder
 *///from   w ww.ja v a 2 s.c  om
public static LoadGamesArray getexpandablelist() {

    LoadGamesArray info = new LoadGamesArray();

    String[] games = null;
    Bitmap[] screen_shots = null;

    if (!new File(Paths.eaddirectory.SAVED_GAMES_PATH).exists()) {

        new File(Paths.eaddirectory.SAVED_GAMES_PATH).mkdir();

    } else {

        File gamesfolders = new File(Paths.eaddirectory.SAVED_GAMES_PATH);
        games = gamesfolders.list(new EADFileFilter());

        if (games.length > 0) {

            for (int i = 0; i < games.length; i++) {

                File gamefolder = new File(Paths.eaddirectory.SAVED_GAMES_PATH + games[i] + "/");

                String files[] = gamefolder.list(new TxtFilter());

                String screen_shots_bitmaps[] = gamefolder.list(new PNGFilter());

                screen_shots = new Bitmap[files.length];

                for (int j = 0; j < files.length; j++) {

                    if (screen_shots_bitmaps.length > j && screen_shots_bitmaps[j] != null) {

                        Log.e("Path", screen_shots_bitmaps[j]);

                        screen_shots[j] = BitmapFactory.decodeFile(
                                Paths.eaddirectory.SAVED_GAMES_PATH + games[i] + "/" + screen_shots_bitmaps[j],
                                null);

                    }

                    info.addGame(games[i], files[j], screen_shots[j]);

                }

            }
        }
    }

    return info;
}

---

From source file:org.ueu.uninet.it.IragarkiaBidali.java

public void decodeFile(final String filePath) {
    // Decode image size
    if (bitmap != null) {
        bitmap.recycle();/*  w w  w.  j  a  v  a  2s  .  co m*/
    }

    BitmapFactory.Options o = new BitmapFactory.Options();
    o.inJustDecodeBounds = true;
    BitmapFactory.decodeFile(filePath, o);

    // The new size we want to scale to
    final int REQUIRED_SIZE = 1024;

    // Find the correct scale value. It should be the power of 2.
    int width_tmp = o.outWidth, height_tmp = o.outHeight;
    int scale = 1;
    while (true) {
        if (width_tmp < REQUIRED_SIZE && height_tmp < REQUIRED_SIZE)
            break;
        width_tmp /= 2;
        height_tmp /= 2;
        scale *= 2;
    }

    // Decode with inSampleSize
    BitmapFactory.Options o2 = new BitmapFactory.Options();
    o2.inSampleSize = scale;
    bitmap = BitmapFactory.decodeFile(filePath, o2);
    imgView.setImageBitmap(bitmap);
    imgView.setVisibility(View.VISIBLE);
}

---

From source file:com.miz.functions.MizLib.java

/**
 * Returns a custom theme background image as Bitmap.
 * @param height//from   www .j  a  v  a  2  s  .c o m
 * @param width
 * @return Bitmap with the background image
 */
public static Bitmap getCustomThemeBackground(int height, int width, String url) {
    try {
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inPreferredConfig = Config.RGB_565;
        options.inDither = true;

        Bitmap bm = BitmapFactory.decodeFile(url, options);

        float scaleWidth = bm.getWidth() / ((float) width);
        float scaleHeight = bm.getHeight() / ((float) height);

        if (scaleWidth > scaleHeight)
            bm = Bitmap.createScaledBitmap(bm, (int) (bm.getWidth() / scaleHeight),
                    (int) (bm.getHeight() / scaleHeight), true);
        else
            bm = Bitmap.createScaledBitmap(bm, (int) (bm.getWidth() / scaleWidth),
                    (int) (bm.getHeight() / scaleWidth), true);

        bm = Bitmap.createBitmap(bm, (bm.getWidth() - width) / 2, (bm.getHeight() - height) / 2, width, height);
        return bm;
    } catch (Exception e) {
        return null;
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• »