Files
loongoffice/include/vcl/BitmapAlphaClampFilter.hxx
Noel Grandin 8b0ded99e5 move some CanvasHelper::implDrawBitmap inside vcl
part of making mask and alpha internal details of Bitmap/BitmapEx

Change-Id: I87ca24af18a29f5eb8a5761c5d95ae2806d97e77
Reviewed-on: https://gerrit.libreoffice.org/55078
Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
Tested-by: Jenkins <ci@libreoffice.org>
2018-05-31 08:30:42 +02:00

37 lines
935 B
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
*/
#ifndef INCLUDED_INCLUDE_VCL_BITMAPMONOCHROMEFILTER_HXX
#define INCLUDED_INCLUDE_VCL_BITMAPMONOCHROMEFILTER_HXX
#include <tools/color.hxx>
#include <vcl/BitmapFilter.hxx>
/** If the alpha is beyond a certain threshold, make it fully transparent
*/
class VCL_DLLPUBLIC BitmapAlphaClampFilter : public BitmapFilter
{
public:
BitmapAlphaClampFilter(sal_uInt8 cThreshold)
: mcThreshold(cThreshold)
{
}
virtual BitmapEx execute(BitmapEx const& rBitmapEx) override;
private:
sal_uInt8 mcThreshold;
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */