include/drawinglayer/processor2d/textaspolygonextractor2d.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_DRAWINGLAYER_PROCESSOR2D_TEXTASPOLYGONEXTRACTOR2D_HXX
  21 #define INCLUDED_DRAWINGLAYER_PROCESSOR2D_TEXTASPOLYGONEXTRACTOR2D_HXX
  22
  23 #include <drawinglayer/drawinglayerdllapi.h>
  24
  25 #include <drawinglayer/processor2d/textextractor2d.hxx>
  26 #include <basegfx/polygon/b2dpolypolygon.hxx>
  27 #include <basegfx/color/bcolor.hxx>
  28 #include <basegfx/color/bcolormodifier.hxx>
  29 #include <utility>
  30 #include <vector>
  31
  32
  33 namespace drawinglayer::processor2d
  34     {
  35         /// helper data structure for returning the result
  36         struct DRAWINGLAYER_DLLPUBLIC TextAsPolygonDataNode
  37         {
  38         private:
  39             basegfx::B2DPolyPolygon                 maB2DPolyPolygon;
  40             basegfx::BColor                         maBColor;
  41             bool                                    mbIsFilled;
  42
  43         public:
  44             TextAsPolygonDataNode(
  45                 basegfx::B2DPolyPolygon aB2DPolyPolygon,
  46                 const basegfx::BColor& rBColor,
  47                 bool bIsFilled)
  48             :   maB2DPolyPolygon(std::move(aB2DPolyPolygon)),
  49                 maBColor(rBColor),
  50                 mbIsFilled(bIsFilled)
  51             {
  52             }
  53
  54             // data read access
  55             const basegfx::B2DPolyPolygon& getB2DPolyPolygon() const { return maB2DPolyPolygon; }
  56             const basegfx::BColor& getBColor() const { return maBColor; }
  57             bool getIsFilled() const { return mbIsFilled; }
  58         };
  59
  60         /// typedef for a vector of that helper data
  61         typedef ::std::vector< TextAsPolygonDataNode > TextAsPolygonDataNodeVector;
  62
  63         /** TextAsPolygonExtractor2D class
  64
  65             This processor extracts text in the fed primitives to filled polygons
  66          */
  67         class DRAWINGLAYER_DLLPUBLIC TextAsPolygonExtractor2D final : public TextExtractor2D
  68         {
  69         private:
  70             // extraction target
  71             TextAsPolygonDataNodeVector             maTarget;
  72
  73             // the modifiedColorPrimitive stack
  74             basegfx::BColorModifierStack            maBColorModifierStack;
  75
  76             // flag if we are in a decomposed text
  77             sal_uInt32                              mnInText;
  78
  79             // tooling methods
  80             void processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate) override;
  81             void processTextPrimitive2D(const primitive2d::BasePrimitive2D& rCandidate) override;
  82
  83         public:
  84             explicit TextAsPolygonExtractor2D(const geometry::ViewInformation2D& rViewInformation);
  85             virtual ~TextAsPolygonExtractor2D() override;
  86
  87             // data read access
  88             const TextAsPolygonDataNodeVector& getTarget() const { return maTarget; }
  89         };
  90
  91 } // end of namespace drawinglayer::processor2d
  92
  93
  94 #endif // INCLUDED_DRAWINGLAYER_PROCESSOR2D_TEXTASPOLYGONEXTRACTOR2D_HXX
  95
  96 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */