SymbolRendererCairo.h

Go to the documentation of this file.

#ifndef OSMSCOUT_MAP_CAIRO_SYMBOLRENDERERCAIRO_H
#define OSMSCOUT_MAP_CAIRO_SYMBOLRENDERERCAIRO_H
 
/*
  This source is part of the libosmscout-map library
  Copyright (C) 2010  Tim Teulings
  Copyright (C) 2022  Lukas Karas
  Copyright (C) 2022  Tim Teulings
 
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
 
  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.
 
  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
*/
 
#if defined(__WIN32__) || defined(WIN32)
#include <cairo.h>
#else
#include <cairo/cairo.h>
#endif
 
#include <osmscoutmapcairo/MapCairoImportExport.h>
 
#include <osmscoutmap/SymbolRenderer.h>
 
#include <osmscoutmap/Styles.h>
 
 
namespace osmscout {

class OSMSCOUT_MAP_CAIRO_API SymbolRendererCairo: public SymbolRenderer {
private:
  cairo_t *draw;
  FillStyleRef fillStyle;
  BorderStyleRef borderStyle;
  double screenMmInPixel;
 
public:
  explicit SymbolRendererCairo(cairo_t *draw);
  SymbolRendererCairo(const SymbolRendererCairo&) = default;
  SymbolRendererCairo(SymbolRendererCairo&&) = default;
 
  ~SymbolRendererCairo() override = default;
 
  SymbolRendererCairo& operator=(const SymbolRendererCairo&) = default;
  SymbolRendererCairo& operator=(SymbolRendererCairo&&) = default;
 
protected:
  void BeginPrimitive() override;
  void SetFill(const FillStyleRef &fillStyle) override;
  void SetBorder(const BorderStyleRef &borderStyle, double screenMmInPixel) override;
  void DrawPolygon(const std::vector<Vertex2D> &polygonPixels) override;
  void DrawRect(double x, double y, double w, double h) override;
  void DrawCircle(double x, double y, double radius) override;
  void EndPrimitive() override;
};
}
 
#endif // OSMSCOUT_MAP_CAIRO_SYMBOLRENDERERCAIRO_H