vcl/win/gdi/gdiimpl.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 #include "salgdiimpl.hxx"
  21 #include "win/salgdi.h"
  22
  23 #include <vcl/gradient.hxx>
  24
  25 #include "svsys.h"
  26
  27 class WinSalGraphics;
  28
  29 class WinSalGraphicsImpl : public SalGraphicsImpl
  30 {
  31 private:
  32
  33     WinSalGraphics& mrParent;
  34     bool mbXORMode : 1; // _every_ output with RasterOp XOR
  35     bool mbPen : 1; // is Pen (FALSE == NULL_PEN)
  36     HPEN mhPen; // Pen
  37     bool mbStockPen : 1; // is Pen a stockpen
  38     bool mbBrush : 1; // is Brush (FALSE == NULL_BRUSH)
  39     bool mbStockBrush : 1; // is Brush a stcokbrush
  40     HBRUSH mhBrush; // Brush
  41     COLORREF mnPenColor; // PenColor
  42     COLORREF mnBrushColor; // BrushColor
  43
  44     // remember RGB values for SetLineColor/SetFillColor
  45     SalColor                maLineColor;
  46     SalColor                maFillColor;
  47
  48     bool tryDrawBitmapGdiPlus(const SalTwoRect& rTR, const SalBitmap& rSrcBitmap);
  49
  50 public:
  51
  52     explicit WinSalGraphicsImpl(WinSalGraphics& rParent);
  53
  54     virtual ~WinSalGraphicsImpl() override;
  55
  56     virtual void Init() override;
  57
  58     virtual void freeResources() override;
  59
  60     virtual bool setClipRegion( const vcl::Region& ) override;
  61     //
  62     // get the depth of the device
  63     virtual sal_uInt16 GetBitCount() const override;
  64
  65     // get the width of the device
  66     virtual long GetGraphicsWidth() const override;
  67
  68     // set the clip region to empty
  69     virtual void ResetClipRegion() override;
  70
  71     // set the line color to transparent (= don't draw lines)
  72
  73     virtual void SetLineColor() override;
  74
  75     // set the line color to a specific color
  76     virtual void SetLineColor( SalColor nSalColor ) override;
  77
  78     // set the fill color to transparent (= don't fill)
  79     virtual void SetFillColor() override;
  80
  81     // set the fill color to a specific color, shapes will be
  82     // filled accordingly
  83     virtual void SetFillColor( SalColor nSalColor ) override;
  84
  85     // enable/disable XOR drawing
  86     virtual void SetXORMode( bool bSet) override;
  87
  88     // set line color for raster operations
  89     virtual void SetROPLineColor( SalROPColor nROPColor ) override;
  90
  91     // set fill color for raster operations
  92     virtual void SetROPFillColor( SalROPColor nROPColor ) override;
  93
  94     // draw --> LineColor and FillColor and RasterOp and ClipRegion
  95     virtual void drawPixel( long nX, long nY ) override;
  96     virtual void drawPixel( long nX, long nY, SalColor nSalColor ) override;
  97
  98     virtual void drawLine( long nX1, long nY1, long nX2, long nY2 ) override;
  99
 100     virtual void drawRect( long nX, long nY, long nWidth, long nHeight ) override;
 101
 102     virtual void drawPolyLine( sal_uInt32 nPoints, SalPoint* pPtAry ) override;
 103
 104     virtual void drawPolygon( sal_uInt32 nPoints, const SalPoint* pPtAry ) override;
 105
 106     virtual void drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32* pPoints, PCONSTSALPOINT* pPtAry ) override;
 107     virtual bool drawPolyPolygon( const basegfx::B2DPolyPolygon&, double fTransparency ) override;
 108
 109     virtual bool drawPolyLine(
 110                 const basegfx::B2DPolygon&,
 111                 double fTransparency,
 112                 const basegfx::B2DVector& rLineWidths,
 113                 basegfx::B2DLineJoin,
 114                 css::drawing::LineCap,
 115                 double fMiterMinimumAngle) override;
 116
 117     virtual bool drawPolyLineBezier(
 118                 sal_uInt32 nPoints,
 119                 const SalPoint* pPtAry,
 120                 const PolyFlags* pFlgAry ) override;
 121
 122     virtual bool drawPolygonBezier(
 123                 sal_uInt32 nPoints,
 124                 const SalPoint* pPtAry,
 125                 const PolyFlags* pFlgAry ) override;
 126
 127     virtual bool drawPolyPolygonBezier(
 128                 sal_uInt32 nPoly,
 129                 const sal_uInt32* pPoints,
 130                 const SalPoint* const* pPtAry,
 131                 const PolyFlags* const* pFlgAry ) override;
 132
 133     // CopyArea --> No RasterOp, but ClipRegion
 134     virtual void copyArea(
 135                 long nDestX, long nDestY,
 136                 long nSrcX, long nSrcY,
 137                 long nSrcWidth, long nSrcHeight, bool bWindowInvalidate ) override;
 138
 139     // CopyBits and DrawBitmap --> RasterOp and ClipRegion
 140     // CopyBits() --> pSrcGraphics == NULL, then CopyBits on same Graphics
 141     virtual void copyBits( const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics ) override;
 142
 143     virtual void drawBitmap( const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap ) override;
 144
 145     virtual void drawBitmap(
 146                 const SalTwoRect& rPosAry,
 147                 const SalBitmap& rSalBitmap,
 148                 const SalBitmap& rMaskBitmap ) override;
 149
 150     virtual void drawMask(
 151                 const SalTwoRect& rPosAry,
 152                 const SalBitmap& rSalBitmap,
 153                 SalColor nMaskColor ) override;
 154
 155     virtual SalBitmap* getBitmap( long nX, long nY, long nWidth, long nHeight ) override;
 156
 157     virtual SalColor getPixel( long nX, long nY ) override;
 158
 159     // invert --> ClipRegion (only Windows or VirDevs)
 160     virtual void invert(
 161                 long nX, long nY,
 162                 long nWidth, long nHeight,
 163                 SalInvert nFlags) override;
 164
 165     virtual void invert( sal_uInt32 nPoints, const SalPoint* pPtAry, SalInvert nFlags ) override;
 166
 167     virtual bool drawEPS(
 168                 long nX, long nY,
 169                 long nWidth, long nHeight,
 170                 void* pPtr,
 171                 sal_uLong nSize ) override;
 172
 173     virtual bool blendBitmap(
 174                 const SalTwoRect&,
 175                 const SalBitmap& rBitmap ) override;
 176
 177     virtual bool blendAlphaBitmap(
 178                 const SalTwoRect&,
 179                 const SalBitmap& rSrcBitmap,
 180                 const SalBitmap& rMaskBitmap,
 181                 const SalBitmap& rAlphaBitmap ) override;
 182
 183     /** Render bitmap with alpha channel
 184
 185         @param rSourceBitmap
 186         Source bitmap to blit
 187
 188         @param rAlphaBitmap
 189         Alpha channel to use for blitting
 190
 191         @return true, if the operation succeeded, and false
 192         otherwise. In this case, clients should try to emulate alpha
 193         compositing themselves
 194      */
 195     virtual bool drawAlphaBitmap(
 196                 const SalTwoRect&,
 197                 const SalBitmap& rSourceBitmap,
 198                 const SalBitmap& rAlphaBitmap ) override;
 199
 200     /** draw transformed bitmap (maybe with alpha) where Null, X, Y define the coordinate system */
 201     virtual bool drawTransformedBitmap(
 202                 const basegfx::B2DPoint& rNull,
 203                 const basegfx::B2DPoint& rX,
 204                 const basegfx::B2DPoint& rY,
 205                 const SalBitmap& rSourceBitmap,
 206                 const SalBitmap* pAlphaBitmap) override;
 207
 208     /** Render solid rectangle with given transparency
 209
 210         @param nTransparency
 211         Transparency value (0-255) to use. 0 blits and opaque, 255 a
 212         fully transparent rectangle
 213      */
 214     virtual bool drawAlphaRect(
 215                     long nX, long nY,
 216                     long nWidth, long nHeight,
 217                     sal_uInt8 nTransparency ) override;
 218
 219
 220     virtual bool drawGradient(const tools::PolyPolygon& rPolygon,
 221             const Gradient& rGradient) override;
 222
 223     virtual bool TryRenderCachedNativeControl(ControlCacheKey& rControlCacheKey, int nX, int nY);
 224
 225     virtual bool RenderAndCacheNativeControl(OpenGLCompatibleDC& rWhite, OpenGLCompatibleDC& rBlack,
 226                                              int nX, int nY , ControlCacheKey& aControlCacheKey);
 227 };
 228
 229 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */