Examples with Bitmap android.graphics.Bitmap used on opensource projects

Example 71 with Bitmap

use of android.graphics.Bitmap in project ion by koush.

the class IonBitmapCache method loadBitmap.

public static Bitmap loadBitmap(byte[] bytes, int offset, int length, BitmapFactory.Options o) {
    assert Thread.currentThread() != Looper.getMainLooper().getThread();
    Bitmap bitmap = BitmapFactory.decodeByteArray(bytes, offset, length, o);
    if (bitmap == null)
        return null;
    int rotation = Exif.getOrientation(bytes, offset, length);
    return getRotatedBitmap(bitmap, rotation);
}

Example 72 with Bitmap

use of android.graphics.Bitmap in project ion by koush.

the class IonBitmapCache method loadBitmap.

public static Bitmap loadBitmap(InputStream stream, BitmapFactory.Options o) throws IOException {
    assert Thread.currentThread() != Looper.getMainLooper().getThread();
    int rotation;
    MarkableInputStream in = new MarkableInputStream(stream);
    in.mark(50000);
    try {
        byte[] bytes = new byte[50000];
        int length = in.read(bytes);
        rotation = Exif.getOrientation(bytes, 0, length);
    } catch (Exception e) {
        rotation = 0;
    }
    in.reset();
    Bitmap bitmap = BitmapFactory.decodeStream(in, null, o);
    return getRotatedBitmap(bitmap, rotation);
}

Example 73 with Bitmap

use of android.graphics.Bitmap in project ion by koush.

the class BitmapTests method test404.

public void test404() throws Exception {
    AsyncHttpServer httpServer = new AsyncHttpServer();
    httpServer.listen(5566);
    try {
        final Semaphore semaphore = new Semaphore(0);
        Ion.with(getContext()).load("http://localhost:5566/foo.png").asBitmap().setCallback(new FutureCallback<Bitmap>() {

            @Override
            public void onCompleted(Exception e, Bitmap result) {
                semaphore.release();
                assertNotNull(e);
            }
        });
        semaphore.tryAcquire(10000, TimeUnit.MILLISECONDS);
        Ion.with(getContext()).load("http://localhost:5566/foo.png").asBitmap().setCallback(new FutureCallback<Bitmap>() {

            @Override
            public void onCompleted(Exception e, Bitmap result) {
                semaphore.release();
                assertNotNull(e);
            }
        });
        semaphore.tryAcquire(10000, TimeUnit.MILLISECONDS);
    } finally {
        httpServer.stop();
        AsyncServer.getDefault().stop();
    }
}

Example 74 with Bitmap

use of android.graphics.Bitmap in project ion by koush.

the class BitmapTests method testCropping.

public void testCropping() throws Exception {
    Bitmap result = Ion.with(getContext()).load("https://raw.githubusercontent.com/koush/ion/master/ion/test/assets/exif.jpg").withBitmap().resize(1080, 1845).centerCrop().asBitmap().get();
    assertEquals(result.getWidth(), 1080);
    assertEquals(result.getHeight(), 1845);
    // pixel should not be clear
    int pixel = result.getPixel(1079, 1844);
    System.out.println(String.format("%x", pixel));
    assertFalse(0 == pixel);
}

Example 75 with Bitmap

use of android.graphics.Bitmap in project Lazy by l123456789jy.

the class BitmapUtil method emboss.

/**
     * 浮雕效果处理
     *
     * @param bitmap 原图
     * @return 浮雕效果处理后的图片
     */
public static Bitmap emboss(Bitmap bitmap) {
    int width = bitmap.getWidth();
    int height = bitmap.getHeight();
    Bitmap newBitmap = Bitmap.createBitmap(width, height, Config.RGB_565);
    int pixR = 0;
    int pixG = 0;
    int pixB = 0;
    int pixColor = 0;
    int newR = 0;
    int newG = 0;
    int newB = 0;
    int[] pixels = new int[width * height];
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
    int pos = 0;
    for (int i = 1, length = height - 1; i < length; i++) {
        for (int k = 1, len = width - 1; k < len; k++) {
            pos = i * width + k;
            pixColor = pixels[pos];
            pixR = Color.red(pixColor);
            pixG = Color.green(pixColor);
            pixB = Color.blue(pixColor);
            pixColor = pixels[pos + 1];
            newR = Color.red(pixColor) - pixR + 127;
            newG = Color.green(pixColor) - pixG + 127;
            newB = Color.blue(pixColor) - pixB + 127;
            newR = Math.min(255, Math.max(0, newR));
            newG = Math.min(255, Math.max(0, newG));
            newB = Math.min(255, Math.max(0, newB));
            pixels[pos] = Color.argb(255, newR, newG, newB);
        }
    }
    newBitmap.setPixels(pixels, 0, width, 0, 0, width, height);
    return newBitmap;
}