Example usage for android.graphics BitmapFactory decodeStream

Introduction

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

Prototype

@Nullable
public static Bitmap decodeStream(@Nullable InputStream is, @Nullable Rect outPadding, @Nullable Options opts) 

Source Link

Document

Decode an input stream into a bitmap.

Usage

From source file:prince.app.sphotos.Gallery.UriTexture.java

public static int computeSampleSize(InputStream stream, int maxResolutionX, int maxResolutionY) {
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;//w  ww. j  a  v  a2s  . com
    BitmapFactory.decodeStream(stream, null, options);
    int maxNumOfPixels = maxResolutionX * maxResolutionY;
    int minSideLength = Math.min(maxResolutionX, maxResolutionY) / 2;
    return Utils.computeSampleSize(options, minSideLength, maxNumOfPixels);
}

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

private static int computeSampleSize(InputStream stream, int maxResolutionX, int maxResolutionY) {
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;/*from ww  w  . jav a 2 s.c  om*/
    BitmapFactory.decodeStream(stream, null, options);
    int maxNumOfPixels = maxResolutionX * maxResolutionY;
    int minSideLength = Math.min(maxResolutionX, maxResolutionY) / 2;
    return Utils.computeSampleSize(options, minSideLength, maxNumOfPixels);
}

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From source file:com.android.browser.DownloadTouchIcon.java

@Override
public Void doInBackground(String... values) {
    mCursor = BrowserBookmarksAdapter.queryBookmarksForUrl(mContentResolver, mOriginalUrl, mUrl, true);
    if (mCursor != null && mCursor.getCount() > 0) {
        String url = values[0];//ww w .  ja  v  a 2 s.c om

        AndroidHttpClient client = AndroidHttpClient.newInstance(mUserAgent);
        HttpGet request = new HttpGet(url);

        // Follow redirects
        HttpClientParams.setRedirecting(client.getParams(), true);

        try {
            HttpResponse response = client.execute(request);

            if (response.getStatusLine().getStatusCode() == 200) {
                HttpEntity entity = response.getEntity();
                if (entity != null) {
                    InputStream content = entity.getContent();
                    if (content != null) {
                        Bitmap icon = BitmapFactory.decodeStream(content, null, null);
                        storeIcon(icon);
                    }
                }
            }
        } catch (IllegalArgumentException ex) {
            request.abort();
        } catch (IOException ex) {
            request.abort();
        } finally {
            client.close();
        }
    }
    if (mCursor != null) {
        mCursor.close();
    }
    return null;
}

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From source file:com.ibuildapp.romanblack.CataloguePlugin.utils.Utils.java

/**
 * Opens Bitmap from file//from   w w  w.j  a va 2  s  . co  m
 *
 * @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:playn.android.AndroidAssetManager.java

private Bitmap decodeBitmap(InputStream is) {
    BitmapFactory.Options options = new BitmapFactory.Options();
    ////www.j  av a  2 s .c  o  m
    options.inDither = true;
    // Prefer the bitmap config we computed from the window parameter
    options.inPreferredConfig = AndroidPlatform.instance.preferredBitmapConfig;
    // Never scale bitmaps based on device parameters
    options.inScaled = false;
    return BitmapFactory.decodeStream(is, null, options);
}

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From source file:Main.java

private static Bitmap getMutableBitmap(InputStream is, Rect outPadding) {
    return BitmapFactory.decodeStream(is, outPadding, getMutableOption());
}

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From source file:gov.nasa.arc.geocam.geocam.CameraPreviewActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // Window and view properties
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.camera_preview);

    // Load bitmap from intent data and display in imageview
    mImageUri = getIntent().getData();//from  w  ww . j a  v  a2s  . c o m
    try {
        mImageData = new JSONObject(getIntent().getExtras().getString("data"));
    } catch (JSONException e1) {
        Log.d(GeoCamMobile.DEBUG_ID, "Error unserializing JSON data from intent");
        mImageData = new JSONObject();
    }

    try {
        final BitmapFactory.Options opts = new BitmapFactory.Options();
        opts.inSampleSize = 4;
        InputStream in = getContentResolver().openInputStream(mImageUri);
        Bitmap bitmap = BitmapFactory.decodeStream(in, null, opts);

        //Bitmap bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), mImageUri);
        ImageView imageView = (ImageView) findViewById(R.id.camera_preview_imageview);
        imageView.setAdjustViewBounds(true);
        imageView.setScaleType(ScaleType.CENTER_INSIDE);
        imageView.setImageBitmap(bitmap);
    } catch (FileNotFoundException e) {
        Log.d(GeoCamMobile.DEBUG_ID, "Error loading bitmap in CameraPreviewActivity");
    }

    SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(this);
    String defaultNotes = settings.getString(GeoCamMobile.SETTINGS_DEFAULT_NOTES_KEY, "");

    // Set default notes
    EditText notesText = (EditText) findViewById(R.id.camera_preview_edittext);
    notesText.setText(defaultNotes + " ");

    // Buttons
    mFireButton = (ImageButton) findViewById(R.id.camera_preview_fire_button);
    mFireButton.setImageDrawable(getResources().getDrawable(R.drawable.fire_icon_default));
    mFireButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {
            Intent intent = new Intent();
            intent.setAction(Intent.ACTION_PICK);
            intent.setClass(CameraPreviewActivity.this, FireIconActivity.class);
            startActivityForResult(intent, PICK_ICON_REQUEST);
        }
    });

    final ImageButton deleteButton = (ImageButton) findViewById(R.id.camera_preview_delete_button);
    deleteButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {
            CameraPreviewActivity.this.showDialog(DIALOG_DELETE_PHOTO);
        }
    });

    final ImageButton saveButton = (ImageButton) findViewById(R.id.camera_preview_save_button);
    saveButton.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {
            mImageNote = ((EditText) findViewById(R.id.camera_preview_edittext)).getText().toString();
            Log.d(GeoCamMobile.DEBUG_ID, "Setting image note to: " + mImageNote);
            saveWithAnnotation();
        }
    });

    mForeground = new ForegroundTracker(this);
}

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From source file:com.pickr.tasks.PhotoLoader.java

private Bitmap loadBitmap(PhotoSize size, Display display) throws IOException {
    InputStream is = null;/*w  ww  . ja v  a 2s  . c  om*/
    try {
        if (BuildConfig.DEBUG) {
            LOGGER.d("Loading photo with size " + size.getWidth() + "x" + size.getHeight() + " for screen "
                    + display.getWidth() + "x" + display.getHeight());
        }
        URL url = size.getSource();
        Bitmap bitmap = FlickrCache.getBitmapCache().get(url);

        if (bitmap == null) {
            is = url.openStream();

            Options options = new Options();
            options.inPurgeable = true;
            options.inInputShareable = true;
            options.inSampleSize = BitmapUtils.calculateInSampleSize(size.getWidth(), size.getHeight(),
                    display.getWidth(), display.getHeight());
            bitmap = BitmapFactory.decodeStream(is, null, options);
            FlickrCache.getBitmapCache().put(url, bitmap);

        }
        Message msg = mHandler.obtainMessage(PHOTO_URL, url);
        mHandler.sendMessage(msg);
        return bitmap;

    } finally {
        IOUtils.closeQuietly(is);
    }
}

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From source file:com.image.oom.ImageUtil.java

public static Bitmap getBitMap(String fileFullName, int width, int height) throws Exception {
    BitmapFactory.Options opts = new BitmapFactory.Options();
    opts.inJustDecodeBounds = true;/*ww w .j  a va2 s  .  c o m*/
    FileInputStream fileInputStream = new FileInputStream(new File(fileFullName));
    BitmapFactory.decodeFile(fileFullName, opts);

    int be = 1;
    if (height != 0) {
        be = (int) (opts.outHeight / (float) width);
        if (be <= 0)
            be = 1;
    }
    if (width != 0) {
        be = (int) (opts.outWidth / (float) width);
        if (be <= 0)
            be = 1;
    }
    opts.inSampleSize = be;
    opts.inJustDecodeBounds = false;

    final Bitmap bm = BitmapFactory.decodeStream(fileInputStream, null, opts);

    fileInputStream.close();
    return bm;
}

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From source file:ir.rasen.charsoo.controller.image_loader.core.decode.BaseImageDecoder.java

/**
 * Decodes image from URI into {@link Bitmap}. Image is scaled close to incoming {@linkplain ImageSize target size}
 * during decoding (depend on incoming parameters).
 *
 * @param decodingInfo Needed data for decoding image
 * @return Decoded bitmap/*from  ww w . j av  a2 s  . c o m*/
 * @throws IOException                   if some I/O exception occurs during image reading
 * @throws UnsupportedOperationException if image URI has unsupported scheme(protocol)
 */
@Override
public Bitmap decode(ImageDecodingInfo decodingInfo) throws IOException, JSONException {
    Bitmap decodedBitmap;
    ImageFileInfo imageInfo;

    InputStream imageStream = getImageStream(decodingInfo);
    if (imageStream == null) {
        L.e(ERROR_NO_IMAGE_STREAM, decodingInfo.getImageKey());
        return null;
    }
    try {
        imageInfo = defineImageSizeAndRotation(imageStream, decodingInfo);
        imageStream = resetStream(imageStream, decodingInfo);
        Options decodingOptions = prepareDecodingOptions(imageInfo.imageSize, decodingInfo);
        decodedBitmap = BitmapFactory.decodeStream(imageStream, null, decodingOptions);
    } finally {
        IoUtils.closeSilently(imageStream);
    }

    if (decodedBitmap == null) {
        L.e(ERROR_CANT_DECODE_IMAGE, decodingInfo.getImageKey());
    } else {
        decodedBitmap = considerExactScaleAndOrientatiton(decodedBitmap, decodingInfo, imageInfo.exif.rotation,
                imageInfo.exif.flipHorizontal);
    }
    return decodedBitmap;
}

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