canvas.h

Go to the documentation of this file.

//
// Copyright (c) 2023, DefenceX PTY LTD
//
// This file is part of the VivoeX project developed by DefenceX.
//
// Licensed under the Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
// License. See the LICENSE file in the project root for full license details.
//
 
#ifndef HMICORE_WIDGETS_CANVAS_CANVAS_H_
#define HMICORE_WIDGETS_CANVAS_CANVAS_H_
 
#include <cstdint>
#include <string>
#include <vector>
 
#include "hmicore/renderer_cairo_types.h"
#include "hmicore/widgets/widget.h"
 
namespace gva {
 
class WidgetCanvas : public WidgetX {
 public:
  explicit WidgetCanvas(const RendererGva& renderer);
 
  ~WidgetCanvas() override = default;
 
  std::string GetWidgetName() const final { return "WidgetCanvas"; };
 
  void Draw() override;
 
  void DrawCanvas();
 
  void SetMode(const SurfaceType mode);
 
  SurfaceType GetMode() const;
 
  void SetBlackout();
 
  bool GetBlackout() const;
 
  void SetFilename(const std::string_view filename);
 
  void SetSurface(cairo_surface_t* surface);
 
  void SetSurfaceDefault();
 
  void Reset();
 
 private:
  SurfaceType mode_ = SurfaceType::kSurfaceNone;
  std::string filename_ = "";
  std::string message_ = "";
  cairo_surface_t* surface_ = nullptr;
  unsigned char* buffer_ = nullptr;
};
 
}  // namespace gva
 
#endif  // HMICORE_WIDGETS_CANVAS_CANVAS_H_