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/*************************************************************************
* Copyright (C) 2008 Tavian Barnes <tavianator@gmail.com> *
* *
* This file is part of The Dimension Library. *
* *
* The Dimension 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 3 of the *
* License, or (at your option) any later version. *
* *
* The Dimension 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 program. If not, see *
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
// dmnsn_canvas* wrapper.
#ifndef DIMENSIONXX_CANVAS_HPP
#define DIMENSIONXX_CANVAS_HPP
namespace Dimension
{
// Base canvas class. Wraps a dmnsn_canvas*.
class Canvas
{
public:
// Allocate a dmnsn_canvas specified width and height.
Canvas(unsigned int width, unsigned int height);
// Wrap an existing canvas.
explicit Canvas(dmnsn_canvas* canvas) : m_canvas(canvas) { }
// Delete the canvas. (dmnsn_delete_canvas(m_canvas).)
virtual ~Canvas();
// Get the width and height.
unsigned int width() const;
unsigned int height() const;
// Get and set a pixel, thread-safely.
Color pixel(unsigned int x, unsigned int y) const;
void pixel(unsigned int x, unsigned int y, const Color& c);
// Access the wrapped C object.
dmnsn_canvas* dmnsn();
const dmnsn_canvas* dmnsn() const;
protected:
// Derived classes may want to set m_canvas later. Set it to NULL now, so
// that the destructor can still dmnsn_delete_canvas it.
Canvas();
dmnsn_canvas* m_canvas;
private:
// Copying prohibited
Canvas(const Canvas&);
Canvas& operator=(const Canvas&);
};
}
#endif /* DIMENSIONXX_CANVAS_HPP */
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