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

Example 91 with Bitmap

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

the class BitmapCallback method getBitmapSnapshot.

public static void getBitmapSnapshot(final Ion ion, final String transformKey, final ArrayList<PostProcess> postProcess) {
    // don't do this if this is already loading
    if (ion.bitmapsPending.tag(transformKey) != null)
        return;
    final BitmapCallback callback = new LoadBitmapBase(ion, transformKey, true);
    Ion.getBitmapLoadExecutorService().execute(new Runnable() {

        @Override
        public void run() {
            if (ion.bitmapsPending.tag(transformKey) != callback) {
                //                    Log.d("IonBitmapLoader", "Bitmap cache load cancelled (no longer needed)");
                return;
            }
            try {
                File file = ion.responseCache.getFileCache().getFile(transformKey);
                Bitmap bitmap = IonBitmapCache.loadBitmap(file, null);
                if (bitmap == null)
                    throw new Exception("Bitmap failed to load");
                BitmapInfo info = new BitmapInfo(transformKey, "image/jpeg", bitmap, null);
                info.servedFrom = ResponseServedFrom.LOADED_FROM_CACHE;
                if (postProcess != null) {
                    for (PostProcess p : postProcess) {
                        p.postProcess(info);
                    }
                }
                callback.report(null, info);
            } catch (OutOfMemoryError e) {
                callback.report(new Exception(e), null);
            } catch (Exception e) {
                callback.report(e, null);
                try {
                    ion.responseCache.getFileCache().remove(transformKey);
                } catch (Exception ex) {
                }
            }
        }
    });
}

Example 92 with Bitmap

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

the class BitmapUtil method saturation.

/**
     * 饱和度处理
     *
     * @param bitmap          原图
     * @param saturationValue 新的饱和度值
     * @return 改变了饱和度值之后的图片
     */
public static Bitmap saturation(Bitmap bitmap, int saturationValue) {
    // 计算出符合要求的饱和度值
    float newSaturationValue = saturationValue * 1.0F / 127;
    // 创建一个颜色矩阵
    ColorMatrix saturationColorMatrix = new ColorMatrix();
    // 设置饱和度值
    saturationColorMatrix.setSaturation(newSaturationValue);
    // 创建一个画笔并设置其颜色过滤器
    Paint paint = new Paint();
    paint.setColorFilter(new ColorMatrixColorFilter(saturationColorMatrix));
    // 创建一个新的图片并创建画布
    Bitmap newBitmap = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888);
    Canvas canvas = new Canvas(newBitmap);
    // 将原图使用给定的画笔画到画布上
    canvas.drawBitmap(bitmap, 0, 0, paint);
    return newBitmap;
}

Example 93 with Bitmap

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

the class CreatQRCodeImg method addLogo.

/**
     * 在二维码中间添加Logo图案
     */
private static Bitmap addLogo(Bitmap src, Bitmap logo) {
    if (src == null) {
        return null;
    }
    if (logo == null) {
        return src;
    }
    //获取图片的宽高
    int srcWidth = src.getWidth();
    int srcHeight = src.getHeight();
    int logoWidth = logo.getWidth();
    int logoHeight = logo.getHeight();
    if (srcWidth == 0 || srcHeight == 0) {
        return null;
    }
    if (logoWidth == 0 || logoHeight == 0) {
        return src;
    }
    //logo大小为二维码整体大小的1/5
    float scaleFactor = srcWidth * 1.0f / 5 / logoWidth;
    Bitmap bitmap = Bitmap.createBitmap(srcWidth, srcHeight, Bitmap.Config.ARGB_8888);
    try {
        Canvas canvas = new Canvas(bitmap);
        canvas.drawBitmap(src, 0, 0, null);
        canvas.scale(scaleFactor, scaleFactor, srcWidth / 2, srcHeight / 2);
        canvas.drawBitmap(logo, (srcWidth - logoWidth) / 2, (srcHeight - logoHeight) / 2, null);
        canvas.save(Canvas.ALL_SAVE_FLAG);
        canvas.restore();
    } catch (Exception e) {
        bitmap = null;
        e.getStackTrace();
    }
    return bitmap;
}

Example 94 with Bitmap

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

the class ImageProcessor method lumAndHueAndSaturation.

/**
     * 亮度、色相、饱和度处理
     * @param lumValue 亮度值
     * @param hueValue 色相值
     * @param saturationValue 饱和度值
     * @return 亮度、色相、饱和度处理后的图片
     */
public Bitmap lumAndHueAndSaturation(int lumValue, int hueValue, int saturationValue) {
    //计算出符合要求的饱和度值
    float newSaturationValue = saturationValue * 1.0F / 127;
    //计算出符合要求的亮度值
    float newlumValue = lumValue * 1.0F / 127;
    //计算出符合要求的色相值
    float newHueValue = (hueValue - 127) * 1.0F / 127 * 180;
    //创建一个颜色矩阵并设置其饱和度
    ColorMatrix colorMatrix = new ColorMatrix();
    //设置饱和度值
    colorMatrix.setSaturation(newSaturationValue);
    //设置亮度值
    colorMatrix.setScale(newlumValue, newlumValue, newlumValue, 1);
    // 控制让红色区在色轮上旋转的角度
    colorMatrix.setRotate(0, newHueValue);
    // 控制让绿红色区在色轮上旋转的角度
    colorMatrix.setRotate(1, newHueValue);
    // 控制让蓝色区在色轮上旋转的角度
    colorMatrix.setRotate(2, newHueValue);
    //创建一个画笔并设置其颜色过滤器
    Paint paint = new Paint();
    paint.setColorFilter(new ColorMatrixColorFilter(colorMatrix));
    //创建一个新的图片并创建画布
    Bitmap newBitmap = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(newBitmap);
    //将原图使用给定的画笔画到画布上
    canvas.drawBitmap(bitmap, 0, 0, paint);
    return newBitmap;
}

Example 95 with Bitmap

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

the class ImageProcessor method saturation.

/**
     * 饱和度处理
     * @param saturationValue 新的饱和度值
     * @return 改变了饱和度值之后的图片
     */
public Bitmap saturation(int saturationValue) {
    //计算出符合要求的饱和度值
    float newSaturationValue = saturationValue * 1.0F / 127;
    //创建一个颜色矩阵
    ColorMatrix saturationColorMatrix = new ColorMatrix();
    //设置饱和度值
    saturationColorMatrix.setSaturation(newSaturationValue);
    //创建一个画笔并设置其颜色过滤器
    Paint paint = new Paint();
    paint.setColorFilter(new ColorMatrixColorFilter(saturationColorMatrix));
    //创建一个新的图片并创建画布
    Bitmap newBitmap = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(newBitmap);
    //将原图使用给定的画笔画到画布上
    canvas.drawBitmap(bitmap, 0, 0, paint);
    return newBitmap;
}