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

Example 36 with ColorMatrix

use of android.graphics.ColorMatrix in project android_packages_apps_Launcher2 by CyanogenMod.

the class AppsCustomizePagedView method getShortcutPreview.

private Bitmap getShortcutPreview(ResolveInfo info, int maxWidth, int maxHeight) {
    Bitmap tempBitmap = mCachedShortcutPreviewBitmap.get();
    final Canvas c = mCachedShortcutPreviewCanvas.get();
    if (tempBitmap == null || tempBitmap.getWidth() != maxWidth || tempBitmap.getHeight() != maxHeight) {
        tempBitmap = Bitmap.createBitmap(maxWidth, maxHeight, Config.ARGB_8888);
        mCachedShortcutPreviewBitmap.set(tempBitmap);
    } else {
        c.setBitmap(tempBitmap);
        c.drawColor(0, PorterDuff.Mode.CLEAR);
        c.setBitmap(null);
    }
    // Render the icon
    Drawable icon = mIconCache.getFullResIcon(info);
    int paddingTop = getResources().getDimensionPixelOffset(R.dimen.shortcut_preview_padding_top);
    int paddingLeft = getResources().getDimensionPixelOffset(R.dimen.shortcut_preview_padding_left);
    int paddingRight = getResources().getDimensionPixelOffset(R.dimen.shortcut_preview_padding_right);
    int scaledIconWidth = (maxWidth - paddingLeft - paddingRight);
    renderDrawableToBitmap(icon, tempBitmap, paddingLeft, paddingTop, scaledIconWidth, scaledIconWidth);
    Bitmap preview = Bitmap.createBitmap(maxWidth, maxHeight, Config.ARGB_8888);
    c.setBitmap(preview);
    Paint p = mCachedShortcutPreviewPaint.get();
    if (p == null) {
        p = new Paint();
        ColorMatrix colorMatrix = new ColorMatrix();
        colorMatrix.setSaturation(0);
        p.setColorFilter(new ColorMatrixColorFilter(colorMatrix));
        p.setAlpha((int) (255 * 0.06f));
        //float density = 1f;
        //p.setMaskFilter(new BlurMaskFilter(15*density, BlurMaskFilter.Blur.NORMAL));
        mCachedShortcutPreviewPaint.set(p);
    }
    c.drawBitmap(tempBitmap, 0, 0, p);
    c.setBitmap(null);
    renderDrawableToBitmap(icon, preview, 0, 0, mAppIconSize, mAppIconSize);
    return preview;
}

Example 37 with ColorMatrix

use of android.graphics.ColorMatrix in project Fairphone by Kwamecorp.

the class AppsCustomizePagedView method getShortcutPreview.

private Bitmap getShortcutPreview(ResolveInfo info, int maxWidth, int maxHeight) {
    Bitmap tempBitmap = mCachedShortcutPreviewBitmap.get();
    final Canvas c = mCachedShortcutPreviewCanvas.get();
    if (tempBitmap == null || tempBitmap.getWidth() != maxWidth || tempBitmap.getHeight() != maxHeight) {
        tempBitmap = Bitmap.createBitmap(maxWidth, maxHeight, Config.ARGB_8888);
        mCachedShortcutPreviewBitmap.set(tempBitmap);
    } else {
        c.setBitmap(tempBitmap);
        c.drawColor(0, PorterDuff.Mode.CLEAR);
        c.setBitmap(null);
    }
    // Render the icon
    Drawable icon = mIconCache.getFullResIcon(info);
    int paddingTop = getResources().getDimensionPixelOffset(R.dimen.shortcut_preview_padding_top);
    int paddingLeft = getResources().getDimensionPixelOffset(R.dimen.shortcut_preview_padding_left);
    int paddingRight = getResources().getDimensionPixelOffset(R.dimen.shortcut_preview_padding_right);
    int scaledIconWidth = (maxWidth - paddingLeft - paddingRight);
    renderDrawableToBitmap(icon, tempBitmap, paddingLeft, paddingTop, scaledIconWidth, scaledIconWidth);
    Bitmap preview = Bitmap.createBitmap(maxWidth, maxHeight, Config.ARGB_8888);
    c.setBitmap(preview);
    Paint p = mCachedShortcutPreviewPaint.get();
    if (p == null) {
        p = new Paint();
        ColorMatrix colorMatrix = new ColorMatrix();
        colorMatrix.setSaturation(0);
        p.setColorFilter(new ColorMatrixColorFilter(colorMatrix));
        p.setAlpha((int) (255 * 0.06f));
        //float density = 1f;
        //p.setMaskFilter(new BlurMaskFilter(15*density, BlurMaskFilter.Blur.NORMAL));
        mCachedShortcutPreviewPaint.set(p);
    }
    c.drawBitmap(tempBitmap, 0, 0, p);
    c.setBitmap(null);
    renderDrawableToBitmap(icon, preview, 0, 0, mAppIconSize, mAppIconSize);
    return preview;
}

Example 38 with ColorMatrix

use of android.graphics.ColorMatrix in project glide-transformations by wasabeef.

the class GrayscaleTransformation method transform.

@Override
public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
    Bitmap source = resource.get();
    int width = source.getWidth();
    int height = source.getHeight();
    Bitmap.Config config = source.getConfig() != null ? source.getConfig() : Bitmap.Config.ARGB_8888;
    Bitmap bitmap = mBitmapPool.get(width, height, config);
    if (bitmap == null) {
        bitmap = Bitmap.createBitmap(width, height, config);
    }
    Canvas canvas = new Canvas(bitmap);
    ColorMatrix saturation = new ColorMatrix();
    saturation.setSaturation(0f);
    Paint paint = new Paint();
    paint.setColorFilter(new ColorMatrixColorFilter(saturation));
    canvas.drawBitmap(source, 0, 0, paint);
    return BitmapResource.obtain(bitmap, mBitmapPool);
}

Example 39 with ColorMatrix

use of android.graphics.ColorMatrix in project ThinkAndroid by white-cat.

the class ImageUtils method toGrayscale.

/**
	 * 图片去色,返回灰度图片
	 * 
	 * @param bmpOriginal
	 *            传入的图片
	 * @return 去色后的图片
	 */
public static Bitmap toGrayscale(Bitmap bmpOriginal) {
    int width, height;
    height = bmpOriginal.getHeight();
    width = bmpOriginal.getWidth();
    Bitmap bmpGrayscale = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
    Canvas c = new Canvas(bmpGrayscale);
    Paint paint = new Paint();
    paint.setColorFilter(null);
    c.drawBitmap(bmpGrayscale, 0, 0, paint);
    ColorMatrix cm = new ColorMatrix();
    getValueBlackAndWhite();
    cm.set(carray);
    ColorMatrixColorFilter f = new ColorMatrixColorFilter(cm);
    paint.setColorFilter(f);
    c.drawBitmap(bmpOriginal, 0, 0, paint);
    return bmpGrayscale;
}

Example 40 with ColorMatrix

use of android.graphics.ColorMatrix in project UltimateAndroid by cymcsg.

the class FoldingLayoutActivity method onCreate.

@SuppressLint("NewApi")
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.folding_drawer_activity_fold);
    mImageView = (ImageView) findViewById(R.id.image_view);
    mImageView.setPadding(ANTIALIAS_PADDING, ANTIALIAS_PADDING, ANTIALIAS_PADDING, ANTIALIAS_PADDING);
    mImageView.setScaleType(ImageView.ScaleType.FIT_XY);
    mImageView.setImageDrawable(getResources().getDrawable(R.drawable.test));
    if (IS_ISC) {
    //mTextureView = new TextureView(this);
    //mTextureView.setSurfaceTextureListener(mSurfaceTextureListener);
    }
    mAnchorSeekBar = (SeekBar) findViewById(R.id.anchor_seek_bar);
    mFoldLayout = (FoldingLayout) findViewById(R.id.fold_view);
    mFoldLayout.setFoldListener(mOnFoldListener);
    mAnchorSeekBar.setOnSeekBarChangeListener(mSeekBarChangeListener);
    mItemSelectedListener = new ItemSelectedListener();
    mDefaultPaint = new Paint();
    mSepiaPaint = new Paint();
    ColorMatrix m1 = new ColorMatrix();
    ColorMatrix m2 = new ColorMatrix();
    m1.setSaturation(0);
    m2.setScale(1f, .95f, .82f, 1.0f);
    m1.setConcat(m2, m1);
    mSepiaPaint.setColorFilter(new ColorMatrixColorFilter(m1));
    mFoldLayout.setNumberOfFolds(mNumberOfFolds);
}