public override void draw(android.graphics.Canvas canvas)
{
if (mWindowType != android.view.WindowManagerClass.LayoutParams.TYPE_APPLICATION_PANEL)
{
// draw() is not called when SKIP_DRAW is set
if ((mPrivateFlags & SKIP_DRAW) == 0)
{
// punch a whole in the view-hierarchy below us
canvas.drawColor(0, android.graphics.PorterDuff.Mode.CLEAR);
}
}
base.draw(canvas);
}
protected internal override void dispatchDraw(android.graphics.Canvas canvas)
{
if (mWindowType != android.view.WindowManagerClass.LayoutParams.TYPE_APPLICATION_PANEL)
{
// if SKIP_DRAW is cleared, draw() has already punched a hole
if ((mPrivateFlags & SKIP_DRAW) == SKIP_DRAW)
{
// punch a whole in the view-hierarchy below us
canvas.drawColor(0, android.graphics.PorterDuff.Mode.CLEAR);
}
}
base.dispatchDraw(canvas);
}
internal virtual void drawOutline(android.graphics.Canvas dest, android.graphics.Bitmap
src)
{
int[] xy = mTmpXY;
android.graphics.Bitmap mask = src.extractAlpha(mBlurPaint, xy);
mMaskCanvas.setBitmap(mask);
mMaskCanvas.drawBitmap(src, -xy[0], -xy[1], mErasePaint);
dest.drawColor(0, android.graphics.PorterDuff.Mode.CLEAR);
dest.setMatrix(mIdentityMatrix);
dest.drawBitmap(mask, xy[0], xy[1], mHolographicPaint);
mMaskCanvas.setBitmap(null);
mask.recycle();
}
