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- #ifndef K3DSDK_ICAMERA_H
- #define K3DSDK_ICAMERA_H
-
- // K-3D
- // Copyright (c) 1995-2006, Timothy M. Shead
- //
- // Contact: tshead@k-3d.com
- //
- // This program is free software; you can redistribute it and/or
- // modify it under the terms of the GNU General Public
- // License as published by the Free Software Foundation; either
- // version 2 of the License, or (at your option) any later version.
- //
- // This program 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
- // General Public License for more details.
- //
- // You should have received a copy of the GNU General Public
- // License along with this program; if not, write to the Free Software
- // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
- /** \file
- \brief Declares k3d::icamera, an abstract interface for an object that can act as a camera (provide location and viewing frustum data)
- \author Tim Shead (tshead@k-3d.com)
- */
-
- #include "iunknown.h"
-
- namespace k3d
- {
-
- class icrop_window;
- class iprojection;
- class iproperty;
- class itransform_source;
-
- /// Abstract interface for objects that can host (provide position and projection information to) a viewport
- class icamera :
- public virtual iunknown
- {
- public:
- /// Returns the required position data for this camera
- virtual itransform_source& transformation() = 0;
- /// Returns the required viewing projection for this camera
- virtual iprojection& projection() = 0;
- /// Returns the required crop-window for this camera
- virtual icrop_window& crop_window() = 0;
- /// Returns the transformable object that should be altered during interactive user navigation
- virtual itransform_source& navigation_target() = 0;
- /// Retuns the camera's world target, a point (in world coordinates) around which the viewport orbits
- virtual iproperty& world_target() = 0;
-
- protected:
- icamera() {}
- icamera(const icamera&) {}
- icamera& operator=(const icamera&) { return *this; }
- virtual ~icamera() {}
- };
-
- } // namespace k3d
-
- #endif // !K3DSDK_ICAMERA_H
-
-