vcl/inc/headless/BitmapHelper.hxx

   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
  22 #include <headless/CairoCommon.hxx>
  23 #include <headless/svpbmp.hxx>
  24 #include <basegfx/utils/systemdependentdata.hxx>
  25
  26 class VCL_DLLPUBLIC BitmapHelper : public SurfaceHelper
  27 {
  28 private:
  29 #ifdef HAVE_CAIRO_FORMAT_RGB24_888
  30     const bool m_bForceARGB32;
  31 #endif
  32     SvpSalBitmap aTmpBmp;
  33
  34 public:
  35     explicit BitmapHelper(const SalBitmap& rSourceBitmap, const bool bForceARGB32 = false);
  36     void mark_dirty();
  37     unsigned char* getBits(sal_Int32& rStride);
  38 };
  39
  40 class VCL_DLLPUBLIC MaskHelper : public SurfaceHelper
  41 {
  42 public:
  43     explicit MaskHelper(const SalBitmap& rAlphaBitmap);
  44 };
  45
  46 class SystemDependentData_BitmapHelper : public basegfx::SystemDependentData
  47 {
  48 private:
  49     std::shared_ptr<BitmapHelper> maBitmapHelper;
  50
  51 public:
  52     SystemDependentData_BitmapHelper(std::shared_ptr<BitmapHelper> xBitmapHelper);
  53
  54     const std::shared_ptr<BitmapHelper>& getBitmapHelper() const { return maBitmapHelper; };
  55     virtual sal_Int64 estimateUsageInBytes() const override;
  56 };
  57
  58 class SystemDependentData_MaskHelper : public basegfx::SystemDependentData
  59 {
  60 private:
  61     std::shared_ptr<MaskHelper> maMaskHelper;
  62
  63 public:
  64     SystemDependentData_MaskHelper(std::shared_ptr<MaskHelper> xMaskHelper);
  65
  66     const std::shared_ptr<MaskHelper>& getMaskHelper() const { return maMaskHelper; };
  67     virtual sal_Int64 estimateUsageInBytes() const override;
  68 };
  69
  70 VCL_DLLPUBLIC void tryToUseSourceBuffer(const SalBitmap& rSourceBitmap,
  71                                         std::shared_ptr<BitmapHelper>& rSurface);
  72 VCL_DLLPUBLIC void tryToUseMaskBuffer(const SalBitmap& rMaskBitmap,
  73                                       std::shared_ptr<MaskHelper>& rMask);
  74
  75 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */