cppcanvas/source/inc/canvasgraphichelper.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  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 #pragma once
  21
  22 #include <com/sun/star/rendering/RenderState.hpp>
  23 #include <basegfx/polygon/b2dpolypolygon.hxx>
  24
  25 #include <cppcanvas/canvasgraphic.hxx>
  26 #include <cppcanvas/canvas.hxx>
  27
  28 #include <optional>
  29
  30 namespace com::sun::star::rendering
  31 {
  32     class  XGraphicDevice;
  33 }
  34
  35
  36 /* Definition of CanvasGraphicHelper class */
  37
  38 namespace cppcanvas::internal
  39     {
  40
  41         class CanvasGraphicHelper : public virtual CanvasGraphic
  42         {
  43         public:
  44             CanvasGraphicHelper( CanvasSharedPtr xParentCanvas );
  45
  46             // CanvasGraphic implementation
  47             virtual void                             setTransformation( const ::basegfx::B2DHomMatrix& rMatrix ) override;
  48             virtual void                             setClip( const ::basegfx::B2DPolyPolygon& rClipPoly ) override;
  49             virtual void                             setClip() override;
  50             virtual void                             setCompositeOp( sal_Int8 aOp ) override;
  51
  52         protected:
  53             // for our clients
  54             // ===============
  55             const CanvasSharedPtr&                                               getCanvas() const {  return mpCanvas; }
  56             const css::rendering::RenderState&                                   getRenderState() const;
  57
  58         private:
  59             mutable css::rendering::RenderState                                   maRenderState;
  60
  61             std::optional<basegfx::B2DPolyPolygon>                              maClipPolyPolygon;
  62             CanvasSharedPtr                                                       mpCanvas;
  63         };
  64
  65 }
  66
  67 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */