vcl/inc/quartz/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.
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   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 #ifndef INCLUDED_VCL_INC_QUARTZ_SALBMP_H
  21 #define INCLUDED_VCL_INC_QUARTZ_SALBMP_H
  22
  23 #include <tools/gen.hxx>
  24
  25 #include <vcl/BitmapBuffer.hxx>
  26 #include <vcl/BitmapPalette.hxx>
  27
  28 #include <quartz/salgdi.h>
  29
  30 #include <salinst.hxx>
  31 #include <salvd.hxx>
  32 #include <salbmp.hxx>
  33
  34 #include <memory>
  35
  36
  37 struct  BitmapBuffer;
  38 class   BitmapPalette;
  39
  40 class QuartzSalBitmap : public SalBitmap
  41 {
  42 public:
  43     CGContextHolder                 maGraphicContext;
  44     mutable CGImageRef              mxCachedImage;
  45     BitmapPalette                   maPalette;
  46     std::shared_ptr<sal_uInt8> m_pUserBuffer;
  47     std::shared_ptr<sal_uInt8> m_pContextBuffer;
  48     sal_uInt16                      mnBits;
  49     int                             mnWidth;
  50     int                             mnHeight;
  51     sal_uInt32                      mnBytesPerRow;
  52
  53 public:
  54     QuartzSalBitmap();
  55     virtual ~QuartzSalBitmap() override;
  56
  57 public:
  58
  59     // SalBitmap methods
  60     bool            Create( const Size& rSize, vcl::PixelFormat ePixelFormat, const BitmapPalette& rPal ) override;
  61     bool            Create( const SalBitmap& rSalBmp ) override;
  62     bool            Create( const SalBitmap& rSalBmp, SalGraphics* pGraphics ) override;
  63     bool            Create( const SalBitmap& rSalBmp, vcl::PixelFormat eNewPixelFormat) override;
  64     virtual bool    Create( const css::uno::Reference< css::rendering::XBitmapCanvas >& rBitmapCanvas,
  65                             Size& rSize,
  66                             bool bMask = false ) override;
  67
  68     void            Destroy() override;
  69
  70     Size            GetSize() const override;
  71     sal_uInt16          GetBitCount() const override;
  72
  73     BitmapBuffer   *AcquireBuffer( BitmapAccessMode nMode ) override;
  74     void            ReleaseBuffer( BitmapBuffer* pBuffer, BitmapAccessMode nMode ) override;
  75
  76     bool            GetSystemData( BitmapSystemData& rData ) override;
  77
  78     bool            ScalingSupported() const override;
  79     bool            Scale( const double& rScaleX, const double& rScaleY, BmpScaleFlag nScaleFlag ) override;
  80     bool            Replace( const Color& rSearchColor, const Color& rReplaceColor, sal_uInt8 nTol ) override;
  81
  82 private:
  83     // quartz helper
  84     bool            CreateContext();
  85     void            DestroyContext();
  86     bool            AllocateUserData();
  87
  88     void            ConvertBitmapData( sal_uInt32 nWidth, sal_uInt32 nHeight,
  89                                        sal_uInt16 nDestBits, sal_uInt32 nDestBytesPerRow, const BitmapPalette& rDestPalette, sal_uInt8* pDestData,
  90                                        sal_uInt16 nSrcBits, sal_uInt32 nSrcBytesPerRow, const BitmapPalette& rSrcPalette, sal_uInt8* pSrcData );
  91
  92 public:
  93     bool            Create(CGLayerHolder const & rLayerHolder, int nBitCount, int nX, int nY, int nWidth, int nHeight, bool bFlipped);
  94
  95 public:
  96     CGImageRef      CreateWithMask( const QuartzSalBitmap& rMask, int nX, int nY, int nWidth, int nHeight ) const;
  97     CGImageRef      CreateColorMask( int nX, int nY, int nWidth, int nHeight, Color nMaskColor ) const;
  98     CGImageRef      CreateCroppedImage( int nX, int nY, int nWidth, int nHeight ) const;
  99
 100     void doDestroy();
 101 };
 102
 103 #endif // INCLUDED_VCL_INC_QUARTZ_SALBMP_H
 104
 105 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */