include/drawinglayer/processor2d/canvasprocessor.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 _DRAWINGLAYER_PROCESSOR_CANVASPROCESSOR_HXX
  21 #define _DRAWINGLAYER_PROCESSOR_CANVASPROCESSOR_HXX
  22
  23 #include <drawinglayer/drawinglayerdllapi.h>
  24
  25 #include <drawinglayer/processor2d/baseprocessor2d.hxx>
  26 #include <basegfx/matrix/b2dhommatrix.hxx>
  27 #include <basegfx/color/bcolormodifier.hxx>
  28 #include <svtools/optionsdrawinglayer.hxx>
  29 #include <com/sun/star/rendering/ViewState.hpp>
  30 #include <com/sun/star/rendering/RenderState.hpp>
  31 #include <i18nlangtag/lang.h>
  32 #include <basegfx/polygon/b2dpolypolygon.hxx>
  33 #include <vcl/mapmod.hxx>
  34
  35 //////////////////////////////////////////////////////////////////////////////
  36 // forward declaration
  37
  38 namespace basegfx {
  39     class BColor;
  40     class B2DPolygon;
  41 }
  42
  43 namespace com { namespace sun { namespace star { namespace rendering {
  44     class XCanvas;
  45     class XPolyPolygon2D;
  46 }}}}
  47
  48 namespace drawinglayer { namespace primitive2d {
  49     class MaskPrimitive2D;
  50     class MetafilePrimitive2D;
  51     class TextSimplePortionPrimitive2D;
  52     class BitmapPrimitive2D;
  53     class TransparencePrimitive2D;
  54     class PolygonStrokePrimitive2D;
  55     class FillBitmapPrimitive2D;
  56     class UnifiedTransparencePrimitive2D;
  57 }}
  58
  59 //////////////////////////////////////////////////////////////////////////////
  60
  61 namespace drawinglayer
  62 {
  63     namespace processor2d
  64     {
  65         /** canvasProcessor2D class
  66
  67             A basic implementation of a renderer for com::sun::star::rendering::XCanvas
  68             as a target
  69          */
  70         class DRAWINGLAYER_DLLPUBLIC canvasProcessor2D : public BaseProcessor2D
  71         {
  72         private:
  73             // the (current) destination OutDev and canvas
  74             OutputDevice*                                           mpOutputDevice;
  75             com::sun::star::uno::Reference< com::sun::star::rendering::XCanvas >    mxCanvas;
  76             com::sun::star::rendering::ViewState                    maViewState;
  77             com::sun::star::rendering::RenderState                  maRenderState;
  78
  79             // the modifiedColorPrimitive stack
  80             basegfx::BColorModifierStack                            maBColorModifierStack;
  81
  82             // SvtOptionsDrawinglayer incarnation to react on diverse settings
  83             const SvtOptionsDrawinglayer                            maDrawinglayerOpt;
  84
  85             // the current clipping PolyPolygon from MaskPrimitive2D, always in
  86             // object coordinates
  87             basegfx::B2DPolyPolygon                                 maClipPolyPolygon;
  88
  89             // determined LanguageType
  90             LanguageType                                            meLang;
  91
  92             // as tooling, the process() implementation takes over API handling and calls this
  93             // virtual render method when the primitive implementation is BasePrimitive2D-based.
  94             virtual void processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate);
  95
  96             // direct primitive renderer support
  97             void impRenderMaskPrimitive2D(const primitive2d::MaskPrimitive2D& rMaskCandidate);
  98             void impRenderMetafilePrimitive2D(const primitive2d::MetafilePrimitive2D& rMetaCandidate);
  99             void impRenderTextSimplePortionPrimitive2D(const primitive2d::TextSimplePortionPrimitive2D& rTextCandidate);
 100             void impRenderBitmapPrimitive2D(const primitive2d::BitmapPrimitive2D& rBitmapCandidate);
 101             void impRenderTransparencePrimitive2D(const primitive2d::TransparencePrimitive2D& rTransparenceCandidate);
 102             void impRenderPolygonStrokePrimitive2D(const primitive2d::PolygonStrokePrimitive2D& rPolygonStrokePrimitive);
 103             void impRenderFillBitmapPrimitive2D(const primitive2d::FillBitmapPrimitive2D& rFillBitmapPrimitive2D);
 104             void impRenderUnifiedTransparencePrimitive2D(const primitive2d::UnifiedTransparencePrimitive2D& rUniTransparenceCandidate);
 105
 106         public:
 107             canvasProcessor2D(
 108                 const geometry::ViewInformation2D& rViewInformation,
 109                 OutputDevice& rOutDev);
 110             virtual ~canvasProcessor2D();
 111
 112             // access to Drawinglayer configuration options
 113             const SvtOptionsDrawinglayer& getOptionsDrawinglayer() const { return maDrawinglayerOpt; }
 114         };
 115     } // end of namespace processor2d
 116 } // end of namespace drawinglayer
 117
 118 //////////////////////////////////////////////////////////////////////////////
 119
 120 #endif //_DRAWINGLAYER_PROCESSOR_CANVASPROCESSOR_HXX
 121
 122 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */