include/svx/sdr/attribute/sdrallfillattributeshelper.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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   9  * This file incorporates work covered by the following license notice:
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  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 #ifndef _SDR_ATTRIBUTE_SDRALLFILLATTRIBUTESHELPER_HXX
  20 #define _SDR_ATTRIBUTE_SDRALLFILLATTRIBUTESHELPER_HXX
  21
  22 #include "svx/svxdllapi.h"
  23 #include <drawinglayer/attribute/fillgradientattribute.hxx>
  24 #include <drawinglayer/attribute/sdrfillattribute.hxx>
  25 #include <drawinglayer/primitive2d/baseprimitive2d.hxx>
  26 #include <tools/color.hxx>
  27 #include <svl/itemset.hxx>
  28 #include <memory>
  29
  30 //////////////////////////////////////////////////////////////////////////////
  31
  32 namespace drawinglayer
  33 {
  34     namespace attribute
  35     {
  36         class SVX_DLLPUBLIC SdrAllFillAttributesHelper
  37         {
  38         private:
  39             basegfx::B2DRange                                                   maLastPaintRange;
  40             basegfx::B2DRange                                                   maLastDefineRange;
  41             std::shared_ptr< drawinglayer::attribute::SdrFillAttribute >      maFillAttribute;
  42             std::shared_ptr< drawinglayer::attribute::FillGradientAttribute > maFillGradientAttribute;
  43             drawinglayer::primitive2d::Primitive2DSequence                      maPrimitives;
  44
  45             void createPrimitive2DSequence(
  46                 const basegfx::B2DRange& rPaintRange,
  47                 const basegfx::B2DRange& rDefineRange);
  48
  49         protected:
  50         public:
  51             SdrAllFillAttributesHelper(const Color& rColor);
  52             SdrAllFillAttributesHelper(const SfxItemSet& rSet);
  53             ~SdrAllFillAttributesHelper();
  54
  55             bool isUsed() const;
  56             bool hasSdrFillAttribute() const { return maFillAttribute.get(); }
  57             bool hasFillGradientAttribute() const { return maFillGradientAttribute.get(); }
  58             bool isTransparent() const;
  59
  60             const drawinglayer::attribute::SdrFillAttribute& getFillAttribute() const;
  61             const drawinglayer::attribute::FillGradientAttribute& getFillGradientAttribute() const;
  62             const drawinglayer::primitive2d::Primitive2DSequence& getPrimitive2DSequence(
  63                 const basegfx::B2DRange& rPaintRange,
  64                 const basegfx::B2DRange& rDefineRange) const;
  65
  66             // get average fill color; tries to calculate a 'medium' color
  67             // which e.g. may be used as comparison to decide if other
  68             // colors are visible
  69             basegfx::BColor getAverageColor(const basegfx::BColor& rFallback) const;
  70
  71             // return if a repaint of this content needs a complete repaint. This
  72             // is e.g. not needed for no fill or color fill (a partial repaint
  73             // will do the trick), but necessary for everything that is not top-left
  74             // oriented
  75             bool needCompleteRepaint() const;
  76         };
  77     } // end of namespace attribute
  78 } // end of namespace drawinglayer
  79
  80 //////////////////////////////////////////////////////////////////////////////
  81
  82 namespace drawinglayer
  83 {
  84     namespace attribute
  85     {
  86         typedef std::shared_ptr< SdrAllFillAttributesHelper > SdrAllFillAttributesHelperPtr;
  87     } // end of namespace attribute
  88 } // end of namespace drawinglayer
  89
  90 //////////////////////////////////////////////////////////////////////////////
  91
  92 #endif // _SDR_ATTRIBUTE_SDRALLFILLATTRIBUTESHELPER_HXX
  93
  94 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */