vcl/inc/salgdiimpl.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_INC_SALGDIIMPL_HXX
  21 #define INCLUDED_VCL_INC_SALGDIIMPL_HXX
  22
  23 #include <vcl/dllapi.h>
  24
  25 #include <tools/color.hxx>
  26 #include <tools/poly.hxx>
  27
  28 #include <vcl/salgtype.hxx>
  29 #include <vcl/region.hxx>
  30 #include <vcl/vclenum.hxx>
  31
  32 #include <com/sun/star/drawing/LineCap.hpp>
  33
  34 class SalGraphics;
  35 class SalBitmap;
  36 class SalFrame;
  37 class Gradient;
  38 class OpenGLContext;
  39 class SalVirtualDevice;
  40 struct SalGradient;
  41
  42 class VCL_PLUGIN_PUBLIC SalGraphicsImpl
  43 {
  44 public:
  45
  46     virtual ~SalGraphicsImpl();
  47
  48     virtual void Init() = 0;
  49
  50     virtual void DeInit() {}
  51
  52     virtual void freeResources() = 0;
  53
  54     virtual OUString getRenderBackendName() const = 0;
  55
  56     virtual bool setClipRegion( const vcl::Region& ) = 0;
  57     //
  58     // get the depth of the device
  59     virtual sal_uInt16 GetBitCount() const = 0;
  60
  61     // get the width of the device
  62     virtual tools::Long GetGraphicsWidth() const = 0;
  63
  64     // set the clip region to empty
  65     virtual void ResetClipRegion() = 0;
  66
  67     // set the line color to transparent (= don't draw lines)
  68
  69     virtual void SetLineColor() = 0;
  70
  71     // set the line color to a specific color
  72     virtual void SetLineColor( Color nColor ) = 0;
  73
  74     // set the fill color to transparent (= don't fill)
  75     virtual void SetFillColor() = 0;
  76
  77     // set the fill color to a specific color, shapes will be
  78     // filled accordingly
  79     virtual void SetFillColor( Color nColor ) = 0;
  80
  81     // enable/disable XOR drawing
  82     virtual void SetXORMode( bool bSet, bool bInvertOnly ) = 0;
  83
  84     // set line color for raster operations
  85     virtual void SetROPLineColor( SalROPColor nROPColor ) = 0;
  86
  87     // set fill color for raster operations
  88     virtual void SetROPFillColor( SalROPColor nROPColor ) = 0;
  89
  90     // draw --> LineColor and FillColor and RasterOp and ClipRegion
  91     virtual void drawPixel( tools::Long nX, tools::Long nY ) = 0;
  92     virtual void drawPixel( tools::Long nX, tools::Long nY, Color nColor ) = 0;
  93
  94     virtual void drawLine( tools::Long nX1, tools::Long nY1, tools::Long nX2, tools::Long nY2 ) = 0;
  95
  96     virtual void drawRect( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) = 0;
  97
  98     virtual void drawPolyLine( sal_uInt32 nPoints, const Point* pPtAry ) = 0;
  99
 100     virtual void drawPolygon( sal_uInt32 nPoints, const Point* pPtAry ) = 0;
 101
 102     virtual void drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32* pPoints, const Point** pPtAry ) = 0;
 103
 104     virtual bool drawPolyPolygon(
 105         const basegfx::B2DHomMatrix& rObjectToDevice,
 106         const basegfx::B2DPolyPolygon&,
 107         double fTransparency) = 0;
 108
 109     virtual bool drawPolyLine(
 110                 const basegfx::B2DHomMatrix& rObjectToDevice,
 111                 const basegfx::B2DPolygon&,
 112                 double fTransparency,
 113                 double fLineWidth,
 114                 const std::vector< double >* pStroke, // MM01
 115                 basegfx::B2DLineJoin,
 116                 css::drawing::LineCap,
 117                 double fMiterMinimumAngle,
 118                 bool bPixelSnapHairline) = 0;
 119
 120     virtual bool drawPolyLineBezier(
 121                 sal_uInt32 nPoints,
 122                 const Point* pPtAry,
 123                 const PolyFlags* pFlgAry ) = 0;
 124
 125     virtual bool drawPolygonBezier(
 126                 sal_uInt32 nPoints,
 127                 const Point* pPtAry,
 128                 const PolyFlags* pFlgAry ) = 0;
 129
 130     virtual bool drawPolyPolygonBezier(
 131                 sal_uInt32 nPoly,
 132                 const sal_uInt32* pPoints,
 133                 const Point* const* pPtAry,
 134                 const PolyFlags* const* pFlgAry ) = 0;
 135
 136     // CopyArea --> No RasterOp, but ClipRegion
 137     virtual void copyArea(
 138                 tools::Long nDestX, tools::Long nDestY,
 139                 tools::Long nSrcX, tools::Long nSrcY,
 140                 tools::Long nSrcWidth, tools::Long nSrcHeight,
 141                 bool bWindowInvalidate ) = 0;
 142
 143     // CopyBits and DrawBitmap --> RasterOp and ClipRegion
 144     // CopyBits() --> pSrcGraphics == NULL, then CopyBits on same Graphics
 145     virtual void copyBits( const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics ) = 0;
 146
 147     virtual void drawBitmap( const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap ) = 0;
 148
 149     virtual void drawBitmap(
 150                 const SalTwoRect& rPosAry,
 151                 const SalBitmap& rSalBitmap,
 152                 const SalBitmap& rMaskBitmap ) = 0;
 153
 154     virtual void drawMask(
 155                 const SalTwoRect& rPosAry,
 156                 const SalBitmap& rSalBitmap,
 157                 Color nMaskColor ) = 0;
 158
 159     virtual std::shared_ptr<SalBitmap> getBitmap( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) = 0;
 160
 161     virtual Color getPixel( tools::Long nX, tools::Long nY ) = 0;
 162
 163     // invert --> ClipRegion (only Windows or VirDevs)
 164     virtual void invert(
 165                 tools::Long nX, tools::Long nY,
 166                 tools::Long nWidth, tools::Long nHeight,
 167                 SalInvert nFlags) = 0;
 168
 169     virtual void invert( sal_uInt32 nPoints, const Point* pPtAry, SalInvert nFlags ) = 0;
 170
 171     virtual bool drawEPS(
 172                 tools::Long nX, tools::Long nY,
 173                 tools::Long nWidth, tools::Long nHeight,
 174                 void* pPtr,
 175                 sal_uInt32 nSize ) = 0;
 176
 177     virtual bool blendBitmap(
 178                 const SalTwoRect&,
 179                 const SalBitmap& rBitmap ) = 0;
 180
 181     virtual bool blendAlphaBitmap(
 182                 const SalTwoRect&,
 183                 const SalBitmap& rSrcBitmap,
 184                 const SalBitmap& rMaskBitmap,
 185                 const SalBitmap& rAlphaBitmap ) = 0;
 186
 187     virtual bool drawAlphaBitmap(
 188                 const SalTwoRect&,
 189                 const SalBitmap& rSourceBitmap,
 190                 const SalBitmap& rAlphaBitmap ) = 0;
 191
 192     /** draw transformed bitmap (maybe with alpha) where Null, X, Y define the coordinate system */
 193     virtual bool drawTransformedBitmap(
 194                 const basegfx::B2DPoint& rNull,
 195                 const basegfx::B2DPoint& rX,
 196                 const basegfx::B2DPoint& rY,
 197                 const SalBitmap& rSourceBitmap,
 198                 const SalBitmap* pAlphaBitmap) = 0;
 199
 200     virtual bool drawAlphaRect(
 201                     tools::Long nX, tools::Long nY,
 202                     tools::Long nWidth, tools::Long nHeight,
 203                     sal_uInt8 nTransparency ) = 0;
 204
 205     virtual bool drawGradient(const tools::PolyPolygon& rPolygon, const Gradient& rGradient) = 0;
 206     virtual bool implDrawGradient(basegfx::B2DPolyPolygon const & rPolyPolygon, SalGradient const & rGradient) = 0;
 207
 208     virtual bool supportsOperation(OutDevSupportType eType) const = 0;
 209 };
 210
 211 #endif
 212
 213 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */