LibreOffice Module vcl (master) 1
BitmapHelper.hxx
Go to the documentation of this file.
1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2/*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 *
9 * This file incorporates work covered by the following license notice:
10 *
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 */
19
20#pragma once
21
23#include <headless/svpbmp.hxx>
25
27{
28private:
29#ifdef HAVE_CAIRO_FORMAT_RGB24_888
30 const bool m_bForceARGB32;
31#endif
33
34public:
35 explicit BitmapHelper(const SalBitmap& rSourceBitmap, const bool bForceARGB32 = false);
36 void mark_dirty();
37 unsigned char* getBits(sal_Int32& rStride);
38};
39
41{
42private:
43 std::unique_ptr<unsigned char[]> pAlphaBits;
44
45public:
46 explicit MaskHelper(const SalBitmap& rAlphaBitmap);
47};
48
50{
51private:
52 std::shared_ptr<BitmapHelper> maBitmapHelper;
53
54public:
56 basegfx::SystemDependentDataManager& rSystemDependentDataManager,
57 std::shared_ptr<BitmapHelper> xBitmapHelper);
58
59 const std::shared_ptr<BitmapHelper>& getBitmapHelper() const { return maBitmapHelper; };
60 virtual sal_Int64 estimateUsageInBytes() const override;
61};
62
64{
65private:
66 std::shared_ptr<MaskHelper> maMaskHelper;
67
68public:
70 std::shared_ptr<MaskHelper> xMaskHelper);
71
72 const std::shared_ptr<MaskHelper>& getMaskHelper() const { return maMaskHelper; };
73 virtual sal_Int64 estimateUsageInBytes() const override;
74};
75
77 std::shared_ptr<BitmapHelper>& rSurface);
79 std::shared_ptr<MaskHelper>& rMask);
80
81/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
VCL_DLLPUBLIC void tryToUseMaskBuffer(const SalBitmap &rMaskBitmap, std::shared_ptr< MaskHelper > &rMask)
VCL_DLLPUBLIC void tryToUseSourceBuffer(const SalBitmap &rSourceBitmap, std::shared_ptr< BitmapHelper > &rSurface)
SvpSalBitmap aTmpBmp
BitmapHelper(const SalBitmap &rSourceBitmap, const bool bForceARGB32=false)
void mark_dirty()
unsigned char * getBits(sal_Int32 &rStride)
std::unique_ptr< unsigned char[]> pAlphaBits
MaskHelper(const SalBitmap &rAlphaBitmap)
std::shared_ptr< BitmapHelper > maBitmapHelper
virtual sal_Int64 estimateUsageInBytes() const override
const std::shared_ptr< BitmapHelper > & getBitmapHelper() const
SystemDependentData_BitmapHelper(basegfx::SystemDependentDataManager &rSystemDependentDataManager, std::shared_ptr< BitmapHelper > xBitmapHelper)
std::shared_ptr< MaskHelper > maMaskHelper
SystemDependentData_MaskHelper(basegfx::SystemDependentDataManager &rSystemDependentDataManager, std::shared_ptr< MaskHelper > xMaskHelper)
virtual sal_Int64 estimateUsageInBytes() const override
const std::shared_ptr< MaskHelper > & getMaskHelper() const
#define VCL_DLLPUBLIC
Definition: dllapi.h:29