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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/>. *
*************************************************************************/
#include "dimensionxx.hpp"
namespace Dimension
{
// Allocate the canvas with dmnsn_new_canvas()
Canvas::Canvas(unsigned int width, unsigned int height)
: m_canvas(new dmnsn_canvas*(dmnsn_new_canvas(width, height)))
{
if (!dmnsn()) {
throw Dimension_Error("Couldn't allocate canvas.");
}
}
// Wrap an existing dmnsn_canvas*
Canvas::Canvas(dmnsn_canvas* canvas)
: m_canvas(new dmnsn_canvas*(canvas)) { }
// Virtual destructor: delete the canvas with dmnsn_delete_canvas().
Canvas::~Canvas()
{
if (m_canvas && m_canvas.unique()) {
dmnsn_delete_canvas(dmnsn());
}
}
// Get the width
unsigned int
Canvas::width() const
{
return dmnsn()->x;
}
// Get the height
unsigned int
Canvas::height() const
{
return dmnsn()->y;
}
// Get a particular pixel
Color
Canvas::pixel(unsigned int x, unsigned int y) const
{
return Color(dmnsn_get_pixel(dmnsn(), x, y));
}
// Set a particular pixel
void
Canvas::pixel(unsigned int x, unsigned int y, const Color& c)
{
dmnsn_set_pixel(dmnsn(), x, y, c.dmnsn());
}
// Return the wrapped canvas
dmnsn_canvas*
Canvas::dmnsn()
{
return *m_canvas;
}
// Return a const version of the wrapped canvas
const dmnsn_canvas*
Canvas::dmnsn() const
{
return *m_canvas;
}
}
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