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/*************************************************************************
* Copyright (C) 2009 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
{
// Create a perspective camera
Perspective_Camera::Perspective_Camera(const Matrix& trans)
: Camera(dmnsn_new_perspective_camera(trans.dmnsn()))
{
if (!dmnsn()) {
throw Dimension_Error("Failed to allocate perspective camera.");
}
}
// Delete a perspective camera, if we're the last reference
Perspective_Camera::~Perspective_Camera()
{
if (unique()) {
dmnsn_delete_perspective_camera(dmnsn());
}
}
// Get the transformation matrix
Matrix
Perspective_Camera::trans()
{
return Matrix(dmnsn_get_perspective_camera_trans(dmnsn()));
}
// Set the transformation matrix
void
Perspective_Camera::trans(const Matrix& trans)
{
dmnsn_set_perspective_camera_trans(dmnsn(), trans.dmnsn());
}
// Shallow-copy this camera
Camera*
Perspective_Camera::copy() const
{
return new Perspective_Camera(*this);
}
// Private copy-constructor, for copy() implementation
Perspective_Camera::Perspective_Camera(const Perspective_Camera& camera)
: Camera(camera)
{ }
}
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