vcl/inc/unx/salbmp.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   9  * This file incorporates work covered by the following license notice:
  10  *
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  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_UNX_SALBMP_H
  21 #define INCLUDED_VCL_INC_UNX_SALBMP_H
  22
  23 #include <X11/Xlib.h>
  24
  25 #include <vcl/salgtype.hxx>
  26 #include <unx/saldisp.hxx>
  27 #include <salbmp.hxx>
  28 #include <vclpluginapi.h>
  29
  30 struct  BitmapBuffer;
  31 class   BitmapPalette;
  32 class   SalGraphics;
  33 class   ImplSalDDB;
  34 class   ImplSalBitmapCache;
  35
  36
  37 class X11SalBitmap final : public SalBitmap
  38 {
  39 private:
  40
  41     static std::unique_ptr<BitmapBuffer>
  42                                 ImplCreateDIB(
  43                                     const Size& rSize,
  44                                     vcl::PixelFormat ePixelFormat,
  45                                     const BitmapPalette& rPal
  46                                 );
  47
  48     static std::unique_ptr<BitmapBuffer>
  49                                 ImplCreateDIB(
  50                                     Drawable aDrawable,
  51                                     SalX11Screen nXScreen,
  52                                     tools::Long nDrawableDepth,
  53                                     tools::Long nX,
  54                                     tools::Long nY,
  55                                     tools::Long nWidth,
  56                                     tools::Long nHeight,
  57                                     bool bGrey
  58                                 );
  59
  60 public:
  61
  62     static ImplSalBitmapCache*  mpCache;
  63     static unsigned int         mnCacheInstCount;
  64
  65     static void                 ImplCreateCache();
  66     static void                 ImplDestroyCache();
  67     void                        ImplRemovedFromCache();
  68
  69 private:
  70
  71     std::unique_ptr<BitmapBuffer> mpDIB;
  72     mutable std::unique_ptr<ImplSalDDB> mpDDB;
  73     bool            mbGrey;
  74
  75 public:
  76
  77     bool         ImplCreateFromDrawable(
  78                                     Drawable aDrawable,
  79                                     SalX11Screen nXScreen,
  80                                     tools::Long nDrawableDepth,
  81                                     tools::Long nX,
  82                                     tools::Long nY,
  83                                     tools::Long nWidth,
  84                                     tools::Long nHeight
  85                                 );
  86
  87     XImage*      ImplCreateXImage(
  88                                     SalDisplay const * pSalDisp,
  89                                     SalX11Screen nXScreen,
  90                                     tools::Long nDepth,
  91                                     const SalTwoRect& rTwoRect
  92                                 ) const;
  93
  94     ImplSalDDB*  ImplGetDDB(
  95                                     Drawable,
  96                                     SalX11Screen nXScreen,
  97                                     tools::Long nDrawableDepth,
  98                                     const SalTwoRect&
  99                                 ) const;
 100
 101     void                        ImplDraw(
 102                                     Drawable aDrawable,
 103                                     SalX11Screen nXScreen,
 104                                     tools::Long nDrawableDepth,
 105                                     const SalTwoRect& rTwoRect,
 106                                     const GC& rGC
 107                                 ) const;
 108
 109 public:
 110
 111                                 X11SalBitmap();
 112     virtual                     ~X11SalBitmap() override;
 113
 114     // override pure virtual methods
 115     virtual bool                Create(
 116                                     const Size& rSize,
 117                                     vcl::PixelFormat ePixelFormat,
 118                                     const BitmapPalette& rPal
 119                                 ) override;
 120
 121     virtual bool                Create( const SalBitmap& rSalBmp ) override;
 122     virtual bool                Create(
 123                                     const SalBitmap& rSalBmp,
 124                                     SalGraphics* pGraphics
 125                                 ) override;
 126
 127     virtual bool                Create(
 128                                     const SalBitmap& rSalBmp,
 129                                     vcl::PixelFormat ePixelFormat
 130                                 ) override;
 131
 132     virtual bool                Create(
 133                                     const css::uno::Reference< css::rendering::XBitmapCanvas >& rBitmapCanvas,
 134                                     Size& rSize,
 135                                     bool bMask = false
 136                                 ) override;
 137
 138     virtual void                Destroy() override;
 139
 140     virtual Size                GetSize() const override;
 141     virtual sal_uInt16          GetBitCount() const override;
 142
 143     virtual BitmapBuffer*       AcquireBuffer( BitmapAccessMode nMode ) override;
 144     virtual void                ReleaseBuffer( BitmapBuffer* pBuffer, BitmapAccessMode nMode ) override;
 145     virtual bool                GetSystemData( BitmapSystemData& rData ) override;
 146
 147     virtual bool                ScalingSupported() const override;
 148     virtual bool                Scale( const double& rScaleX, const double& rScaleY, BmpScaleFlag nScaleFlag ) override;
 149     virtual bool                Replace( const Color& rSearchColor, const Color& rReplaceColor, sal_uInt8 nTol ) override;
 150 };
 151
 152
 153 class ImplSalDDB
 154 {
 155 private:
 156
 157     Pixmap          maPixmap;
 158     SalTwoRect      maTwoRect;
 159     tools::Long            mnDepth;
 160     SalX11Screen    mnXScreen;
 161
 162     static void     ImplDraw(
 163                         Drawable aSrcDrawable,
 164                         tools::Long nSrcDrawableDepth,
 165                         Drawable aDstDrawable,
 166                         tools::Long nSrcX,
 167                         tools::Long nSrcY,
 168                         tools::Long nDestWidth,
 169                         tools::Long nDestHeight,
 170                         tools::Long nDestX,
 171                         tools::Long nDestY,
 172                         const GC& rGC
 173                     );
 174
 175 public:
 176
 177                     ImplSalDDB(
 178                         XImage* pImage,
 179                         Drawable aDrawable,
 180                         SalX11Screen nXScreen,
 181                         const SalTwoRect& rTwoRect
 182                     );
 183
 184                     ImplSalDDB(
 185                         Drawable aDrawable,
 186                         SalX11Screen nXScreen,
 187                         tools::Long nDrawableDepth,
 188                         tools::Long nX,
 189                         tools::Long nY,
 190                         tools::Long nWidth,
 191                         tools::Long nHeight
 192                     );
 193
 194                     ~ImplSalDDB();
 195
 196     Pixmap          ImplGetPixmap() const { return maPixmap; }
 197     tools::Long            ImplGetWidth() const { return maTwoRect.mnDestWidth; }
 198     tools::Long            ImplGetHeight() const { return maTwoRect.mnDestHeight; }
 199     tools::Long            ImplGetDepth() const { return mnDepth; }
 200     const SalX11Screen& ImplGetScreen() const { return mnXScreen; }
 201
 202     bool            ImplMatches( SalX11Screen nXScreen, tools::Long nDepth, const SalTwoRect& rTwoRect ) const;
 203
 204     void            ImplDraw(
 205                         Drawable aDrawable,
 206                         const SalTwoRect& rTwoRect,
 207                         const GC& rGC
 208                     ) const;
 209 };
 210
 211
 212 class X11SalBitmap;
 213
 214 class ImplSalBitmapCache
 215 {
 216 private:
 217     std::vector<X11SalBitmap*>  maBmpList;
 218
 219 public:
 220
 221                     ImplSalBitmapCache();
 222                     ~ImplSalBitmapCache();
 223
 224     void            ImplAdd( X11SalBitmap* pBmp );
 225     void            ImplRemove( X11SalBitmap const * pBmp );
 226     void            ImplClear();
 227 };
 228
 229 #endif // INCLUDED_VCL_INC_UNX_SALBMP_H
 230
 231 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */