vcl/inc/win/salbmp.h

   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 <tools/gen.hxx>
  23 #include <win/wincomp.hxx>
  24 #include <salbmp.hxx>
  25 #include <basegfx/utils/systemdependentdata.hxx>
  26 #include <memory>
  27
  28
  29 struct  BitmapBuffer;
  30 class   BitmapColor;
  31 class   BitmapPalette;
  32 class   SalGraphics;
  33 namespace Gdiplus { class Bitmap; }
  34
  35 class WinSalBitmap final: public SalBitmap, public basegfx::SystemDependentDataHolder
  36 {
  37 private:
  38     Size                maSize;
  39     HGLOBAL             mhDIB;
  40     HBITMAP             mhDDB;
  41
  42     sal_uInt16          mnBitCount;
  43
  44     std::shared_ptr<Gdiplus::Bitmap>    ImplCreateGdiPlusBitmap(const WinSalBitmap& rAlphaSource);
  45     std::shared_ptr<Gdiplus::Bitmap> ImplCreateGdiPlusBitmap();
  46
  47 public:
  48
  49     HGLOBAL             ImplGethDIB() const { return mhDIB; }
  50     HBITMAP             ImplGethDDB() const { return mhDDB; }
  51
  52     std::shared_ptr< Gdiplus::Bitmap > ImplGetGdiPlusBitmap(const WinSalBitmap* pAlphaSource = nullptr) const;
  53
  54     static HGLOBAL      ImplCreateDIB( const Size& rSize, vcl::PixelFormat ePixelFormat, const BitmapPalette& rPal );
  55     static HANDLE       ImplCopyDIBOrDDB( HANDLE hHdl, bool bDIB );
  56     static sal_uInt16   ImplGetDIBColorCount( HGLOBAL hDIB );
  57
  58 public:
  59
  60                         WinSalBitmap();
  61     virtual             ~WinSalBitmap() override;
  62
  63     using SalBitmap::addOrReplaceSystemDependentData;
  64     using SalBitmap::getSystemDependentData;
  65     using SystemDependentDataHolder::addOrReplaceSystemDependentData;
  66     using SystemDependentDataHolder::getSystemDependentData;
  67
  68 public:
  69
  70     bool                        Create( HANDLE hBitmap );
  71     virtual bool                Create( const Size& rSize, vcl::PixelFormat ePixelFormat, const BitmapPalette& rPal ) override;
  72     virtual bool                Create( const SalBitmap& rSalBmpImpl ) override;
  73     virtual bool                Create( const SalBitmap& rSalBmpImpl, SalGraphics* pGraphics ) override;
  74     virtual bool                Create( const SalBitmap& rSalBmpImpl, vcl::PixelFormat eNewPixelFormat ) override;
  75     virtual bool                Create( const css::uno::Reference< css::rendering::XBitmapCanvas >& rBitmapCanvas,
  76                                            Size& rSize,
  77                                            bool bMask = false ) override;
  78
  79     virtual void                Destroy() override;
  80
  81     virtual Size                GetSize() const override { return maSize; }
  82     virtual sal_uInt16          GetBitCount() const override { return mnBitCount; }
  83
  84     virtual BitmapBuffer*       AcquireBuffer( BitmapAccessMode nMode ) override;
  85     virtual void                ReleaseBuffer( BitmapBuffer* pBuffer, BitmapAccessMode nMode ) override;
  86     virtual bool                GetSystemData( BitmapSystemData& rData ) override;
  87
  88     virtual bool                ScalingSupported() const override;
  89     virtual bool                Scale( const double& rScaleX, const double& rScaleY, BmpScaleFlag nScaleFlag ) override;
  90     virtual bool                Replace( const Color& rSearchColor, const Color& rReplaceColor, sal_uInt8 nTol ) override;
  91
  92     virtual const basegfx::SystemDependentDataHolder* accessSystemDependentDataHolder() const override;
  93 };
  94
  95 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */