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

Example 41 with Matrix

use of android.graphics.Matrix in project android_frameworks_base by ResurrectionRemix.

the class View method getMatrix.

/**
     * The transform matrix of this view, which is calculated based on the current
     * rotation, scale, and pivot properties.
     *
     * @see #getRotation()
     * @see #getScaleX()
     * @see #getScaleY()
     * @see #getPivotX()
     * @see #getPivotY()
     * @return The current transform matrix for the view
     */
public Matrix getMatrix() {
    ensureTransformationInfo();
    final Matrix matrix = mTransformationInfo.mMatrix;
    mRenderNode.getMatrix(matrix);
    return matrix;
}

Example 42 with Matrix

use of android.graphics.Matrix in project android_frameworks_base by ResurrectionRemix.

the class View method toGlobalMotionEvent.

/**
     * Transforms a motion event from view-local coordinates to on-screen
     * coordinates.
     *
     * @param ev the view-local motion event
     * @return false if the transformation could not be applied
     * @hide
     */
public boolean toGlobalMotionEvent(MotionEvent ev) {
    final AttachInfo info = mAttachInfo;
    if (info == null) {
        return false;
    }
    final Matrix m = info.mTmpMatrix;
    m.set(Matrix.IDENTITY_MATRIX);
    transformMatrixToGlobal(m);
    ev.transform(m);
    return true;
}

Example 43 with Matrix

use of android.graphics.Matrix in project android_frameworks_base by ResurrectionRemix.

the class AppIconLoader method getResizedBitmap.

/**
     * Resize the app icon to the size we need to save space in our LRU cache.
     * Normal we could assume that all app icons have the same default AOSP defined size.
     * The reality shows that a lot apps do not care about and add just one big icon for
     * all screen resolution.
     */
private static Drawable getResizedBitmap(Drawable source, Context context, float scaleFactor) {
    if (source == null) {
        return null;
    }
    final int iconSize = (int) (context.getResources().getDimensionPixelSize(R.dimen.recent_app_icon_size) * scaleFactor);
    final Bitmap bitmap = ImageHelper.drawableToBitmap(source);
    final Bitmap scaledBitmap = Bitmap.createBitmap(iconSize, iconSize, Config.ARGB_8888);
    final float ratioX = iconSize / (float) bitmap.getWidth();
    final float ratioY = iconSize / (float) bitmap.getHeight();
    final float middleX = iconSize / 2.0f;
    final float middleY = iconSize / 2.0f;
    final Paint paint = new Paint(Paint.FILTER_BITMAP_FLAG);
    paint.setAntiAlias(true);
    final Matrix scaleMatrix = new Matrix();
    scaleMatrix.setScale(ratioX, ratioY, middleX, middleY);
    final Canvas canvas = new Canvas(scaledBitmap);
    canvas.setMatrix(scaleMatrix);
    canvas.drawBitmap(bitmap, middleX - bitmap.getWidth() / 2, middleY - bitmap.getHeight() / 2, paint);
    return new BitmapDrawable(context.getResources(), scaledBitmap);
}

Example 44 with Matrix

use of android.graphics.Matrix in project android_frameworks_base by ResurrectionRemix.

the class ActivityTransitionCoordinator method setSharedElementState.

protected ArrayList<SharedElementOriginalState> setSharedElementState(Bundle sharedElementState, final ArrayList<View> snapshots) {
    ArrayList<SharedElementOriginalState> originalImageState = new ArrayList<SharedElementOriginalState>();
    if (sharedElementState != null) {
        Matrix tempMatrix = new Matrix();
        RectF tempRect = new RectF();
        final int numSharedElements = mSharedElements.size();
        for (int i = 0; i < numSharedElements; i++) {
            View sharedElement = mSharedElements.get(i);
            String name = mSharedElementNames.get(i);
            SharedElementOriginalState originalState = getOldSharedElementState(sharedElement, name, sharedElementState);
            originalImageState.add(originalState);
            setSharedElementState(sharedElement, name, sharedElementState, tempMatrix, tempRect, null);
        }
    }
    if (mListener != null) {
        mListener.onSharedElementStart(mSharedElementNames, mSharedElements, snapshots);
    }
    return originalImageState;
}

Example 45 with Matrix

use of android.graphics.Matrix in project android_frameworks_base by ResurrectionRemix.

the class ActivityTransitionCoordinator method getSharedElementParentMatrix.

private void getSharedElementParentMatrix(View view, Matrix matrix) {
    final int index = mSharedElementParentMatrices == null ? -1 : mSharedElements.indexOf(view);
    if (index < 0) {
        matrix.reset();
        ViewParent viewParent = view.getParent();
        if (viewParent instanceof ViewGroup) {
            // Find the location in the view's parent
            ViewGroup parent = (ViewGroup) viewParent;
            parent.transformMatrixToLocal(matrix);
            matrix.postTranslate(parent.getScrollX(), parent.getScrollY());
        }
    } else {
        // The indices of mSharedElementParentMatrices matches the
        // mSharedElement matrices.
        Matrix parentMatrix = mSharedElementParentMatrices.get(index);
        matrix.set(parentMatrix);
    }
}