examplepresentation.hh

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/*
 * Scroom - Generic viewer for 2D data
 * Copyright (C) 2009-2026 Kees-Jan Dijkzeul
 *
 * SPDX-License-Identifier: LGPL-2.1
 */
 
#pragma once
 
#include <string>
 
#include <cairo.h>
 
#include <scroom/presentationinterface.hh>
#include <scroom/rectangle.hh>
#include <scroom/viewinterface.hh>
 
class ExamplePresentation : public PresentationInterface
{
private:
  Scroom::Utils::Context::Ptr context;
 
private:
  cairo_pattern_t* pattern{nullptr};
 
  void fillPattern();
 
public:
  ExamplePresentation();
  ~ExamplePresentation() override;
  ExamplePresentation(const ExamplePresentation&) = delete;
  ExamplePresentation(ExamplePresentation&&) = delete;
  ExamplePresentation& operator=(const ExamplePresentation&) = delete;
  ExamplePresentation operator=(ExamplePresentation&&) = delete;
  Scroom::Utils::Context::ConstPtr getContext() const override;
 
  Scroom::Utils::Rectangle<double> getRect() override;
  void open(ViewInterface::WeakPtr viewInterface) override;
  void redraw(ViewInterface::Ptr const& vi, cairo_t* cr, Scroom::Utils::Rectangle<double> presentationArea, int zoom) override;
  void close(ViewInterface::WeakPtr vi) override;
  bool getProperty(const std::string& name, std::string& value) override;
  bool isPropertyDefined(const std::string& name) override;
  std::string getTitle() override;
};