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 #ifndef INCLUDED_VCL_WIN_GDI_GDIIMPL_HXX
  21 #define INCLUDED_VCL_WIN_GDI_GDIIMPL_HXX
  22
  23 #include <salgdiimpl.hxx>
  24 #include <tools/long.hxx>
  25 #include <win/salgdi.h>
  26 #include <win/wingdiimpl.hxx>
  27
  28 #include <vcl/gradient.hxx>
  29
  30 #include <svsys.h>
  31 #include <ControlCacheKey.hxx>
  32
  33 class WinSalGraphics;
  34
  35 class WinSalGraphicsImpl : public SalGraphicsImpl, public WinSalGraphicsImplBase
  36 {
  37 private:
  38
  39     WinSalGraphics& mrParent;
  40     bool mbXORMode : 1; // _every_ output with RasterOp XOR
  41     bool mbPen : 1; // is Pen (FALSE == NULL_PEN)
  42     HPEN mhPen; // Pen
  43     bool mbStockPen : 1; // is Pen a stockpen
  44     bool mbBrush : 1; // is Brush (FALSE == NULL_BRUSH)
  45     bool mbStockBrush : 1; // is Brush a stockbrush
  46     HBRUSH mhBrush; // Brush
  47     COLORREF mnPenColor; // PenColor
  48     COLORREF mnBrushColor; // BrushColor
  49
  50     // remember RGB values for SetLineColor/SetFillColor
  51     Color                maLineColor;
  52     Color                maFillColor;
  53
  54     bool TryDrawBitmapGDIPlus(const SalTwoRect& rTR, const SalBitmap& rSrcBitmap);
  55     void DrawPixelImpl(tools::Long nX, tools::Long nY, COLORREF crColor);
  56
  57     HPEN SearchStockPen(COLORREF nPenColor);
  58     HPEN MakePen(Color nColor);
  59     void ResetPen(HPEN hNewPen);
  60
  61     HBRUSH SearchStockBrush(COLORREF nBrushColor);
  62     HBRUSH MakeBrush(Color nColor);
  63     void ResetBrush(HBRUSH hNewBrush);
  64 public:
  65
  66     explicit WinSalGraphicsImpl(WinSalGraphics& rParent);
  67
  68     virtual ~WinSalGraphicsImpl() override;
  69
  70     virtual void Init() override;
  71
  72     virtual void freeResources() override;
  73
  74     virtual OUString getRenderBackendName() const override { return "gdi"; }
  75
  76     virtual bool setClipRegion( const vcl::Region& ) override;
  77     //
  78     // get the depth of the device
  79     virtual sal_uInt16 GetBitCount() const override;
  80
  81     // get the width of the device
  82     virtual tools::Long GetGraphicsWidth() const override;
  83
  84     // set the clip region to empty
  85     virtual void ResetClipRegion() override;
  86
  87     // set the line color to transparent (= don't draw lines)
  88
  89     virtual void SetLineColor() override;
  90
  91     // set the line color to a specific color
  92     virtual void SetLineColor( Color nColor ) override;
  93
  94     // set the fill color to transparent (= don't fill)
  95     virtual void SetFillColor() override;
  96
  97     // set the fill color to a specific color, shapes will be
  98     // filled accordingly
  99     virtual void SetFillColor( Color nColor ) override;
 100
 101     // enable/disable XOR drawing
 102     virtual void SetXORMode( bool bSet, bool bInvertOnly ) override;
 103
 104     // set line color for raster operations
 105     virtual void SetROPLineColor( SalROPColor nROPColor ) override;
 106
 107     // set fill color for raster operations
 108     virtual void SetROPFillColor( SalROPColor nROPColor ) override;
 109
 110     // draw --> LineColor and FillColor and RasterOp and ClipRegion
 111     virtual void drawPixel( tools::Long nX, tools::Long nY ) override;
 112     virtual void drawPixel( tools::Long nX, tools::Long nY, Color nColor ) override;
 113
 114     virtual void drawLine( tools::Long nX1, tools::Long nY1, tools::Long nX2, tools::Long nY2 ) override;
 115
 116     virtual void drawRect( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) override;
 117
 118     virtual void drawPolyLine( sal_uInt32 nPoints, const Point* pPtAry ) override;
 119
 120     virtual void drawPolygon( sal_uInt32 nPoints, const Point* pPtAry ) override;
 121
 122     virtual void drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32* pPoints, const Point** pPtAry ) override;
 123
 124     virtual bool drawPolyPolygon(
 125                 const basegfx::B2DHomMatrix& rObjectToDevice,
 126                 const basegfx::B2DPolyPolygon&,
 127                 double fTransparency) override;
 128
 129     virtual bool drawPolyLine(
 130                 const basegfx::B2DHomMatrix& rObjectToDevice,
 131                 const basegfx::B2DPolygon&,
 132                 double fTransparency,
 133                 double fLineWidth,
 134                 const std::vector< double >* pStroke, // MM01
 135                 basegfx::B2DLineJoin,
 136                 css::drawing::LineCap,
 137                 double fMiterMinimumAngle,
 138                 bool bPixelSnapHairline) override;
 139
 140     virtual bool drawPolyLineBezier(
 141                 sal_uInt32 nPoints,
 142                 const Point* pPtAry,
 143                 const PolyFlags* pFlgAry ) override;
 144
 145     virtual bool drawPolygonBezier(
 146                 sal_uInt32 nPoints,
 147                 const Point* pPtAry,
 148                 const PolyFlags* pFlgAry ) override;
 149
 150     virtual bool drawPolyPolygonBezier(
 151                 sal_uInt32 nPoly,
 152                 const sal_uInt32* pPoints,
 153                 const Point* const* pPtAry,
 154                 const PolyFlags* const* pFlgAry ) override;
 155
 156     // CopyArea --> No RasterOp, but ClipRegion
 157     virtual void copyArea(
 158                 tools::Long nDestX, tools::Long nDestY,
 159                 tools::Long nSrcX, tools::Long nSrcY,
 160                 tools::Long nSrcWidth, tools::Long nSrcHeight, bool bWindowInvalidate ) override;
 161
 162     // CopyBits and DrawBitmap --> RasterOp and ClipRegion
 163     // CopyBits() --> pSrcGraphics == NULL, then CopyBits on same Graphics
 164     virtual void copyBits( const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics ) override;
 165
 166     virtual void drawBitmap( const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap ) override;
 167
 168     virtual void drawBitmap(
 169                 const SalTwoRect& rPosAry,
 170                 const SalBitmap& rSalBitmap,
 171                 const SalBitmap& rMaskBitmap ) override;
 172
 173     virtual void drawMask(
 174                 const SalTwoRect& rPosAry,
 175                 const SalBitmap& rSalBitmap,
 176                 Color nMaskColor ) override;
 177
 178     virtual std::shared_ptr<SalBitmap> getBitmap( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) override;
 179
 180     virtual Color getPixel( tools::Long nX, tools::Long nY ) override;
 181
 182     // invert --> ClipRegion (only Windows or VirDevs)
 183     virtual void invert(
 184                 tools::Long nX, tools::Long nY,
 185                 tools::Long nWidth, tools::Long nHeight,
 186                 SalInvert nFlags) override;
 187
 188     virtual void invert( sal_uInt32 nPoints, const Point* pPtAry, SalInvert nFlags ) override;
 189
 190     virtual bool drawEPS(
 191                 tools::Long nX, tools::Long nY,
 192                 tools::Long nWidth, tools::Long nHeight,
 193                 void* pPtr,
 194                 sal_uInt32 nSize ) override;
 195
 196     virtual bool blendBitmap(
 197                 const SalTwoRect&,
 198                 const SalBitmap& rBitmap ) override;
 199
 200     virtual bool blendAlphaBitmap(
 201                 const SalTwoRect&,
 202                 const SalBitmap& rSrcBitmap,
 203                 const SalBitmap& rMaskBitmap,
 204                 const SalBitmap& rAlphaBitmap ) override;
 205
 206     /** Render bitmap with alpha channel
 207
 208         @param rSourceBitmap
 209         Source bitmap to blit
 210
 211         @param rAlphaBitmap
 212         Alpha channel to use for blitting
 213
 214         @return true, if the operation succeeded, and false
 215         otherwise. In this case, clients should try to emulate alpha
 216         compositing themselves
 217      */
 218     virtual bool drawAlphaBitmap(
 219                 const SalTwoRect&,
 220                 const SalBitmap& rSourceBitmap,
 221                 const SalBitmap& rAlphaBitmap ) override;
 222
 223     /** draw transformed bitmap (maybe with alpha) where Null, X, Y define the coordinate system */
 224     virtual bool drawTransformedBitmap(
 225                 const basegfx::B2DPoint& rNull,
 226                 const basegfx::B2DPoint& rX,
 227                 const basegfx::B2DPoint& rY,
 228                 const SalBitmap& rSourceBitmap,
 229                 const SalBitmap* pAlphaBitmap) override;
 230
 231     /** Render solid rectangle with given transparency
 232
 233         @param nTransparency
 234         Transparency value (0-255) to use. 0 blits and opaque, 255 a
 235         fully transparent rectangle
 236      */
 237     virtual bool drawAlphaRect(
 238                     tools::Long nX, tools::Long nY,
 239                     tools::Long nWidth, tools::Long nHeight,
 240                     sal_uInt8 nTransparency ) override;
 241
 242
 243     virtual bool drawGradient(const tools::PolyPolygon& rPolygon,
 244             const Gradient& rGradient) override;
 245     virtual bool implDrawGradient(basegfx::B2DPolyPolygon const & rPolyPolygon,
 246                 SalGradient const & rGradient) override;
 247
 248     virtual bool supportsOperation(OutDevSupportType eType) const override;
 249 };
 250
 251 #endif // INCLUDED_VCL_WIN_GDI_GDIIMPL_HXX
 252
 253 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */