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/*
-----------------------------------------------------------------------------
This source file is part of VideoTexture library
Copyright (c) 2007 The Zdeno Ash Miklas
This program 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 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 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, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA, or go to
http://www.gnu.org/copyleft/lesser.txt.
-----------------------------------------------------------------------------
*/
/** \file ImageViewport.h
* \ingroup bgevideotex
*/
#if !defined IMAGEVIEWPORT_H
#define IMAGEVIEWPORT_H
#include "Common.h"
#include "ImageBase.h"
/// class for viewport access
class ImageViewport : public ImageBase
{
public:
/// constructor
ImageViewport (void);
/// destructor
virtual ~ImageViewport (void);
/// is whole buffer used
bool getWhole (void) { return m_whole; }
/// set whole buffer use
void setWhole (bool whole);
/// is alpha channel used
bool getAlpha (void) { return m_alpha; }
/// set whole buffer use
void setAlpha (bool alpha) { m_alpha = alpha; }
/// get capture size in viewport
short * getCaptureSize (void) { return m_capSize; }
/// set capture size in viewport
void setCaptureSize (short * size = NULL);
/// get position in viewport
GLint * getPosition (void) { return m_position; }
/// set position in viewport
void setPosition (GLint * pos = NULL);
protected:
/// frame buffer rectangle
GLint m_viewport[4];
/// size of captured area
short m_capSize[2];
/// use whole viewport
bool m_whole;
/// use alpha channel
bool m_alpha;
/// position of capture rectangle in viewport
GLint m_position[2];
/// upper left point for capturing
GLint m_upLeft[2];
/// buffer to copy viewport
BYTE * m_viewportImage;
/// texture is initialized
bool m_texInit;
/// capture image from viewport
virtual void calcImage (unsigned int texId, double ts);
/// get viewport size
GLint * getViewportSize (void) { return m_viewport + 2; }
};
PyObject * ImageViewport_getCaptureSize (PyImage * self, void * closure);
int ImageViewport_setCaptureSize (PyImage * self, PyObject * value, void * closure);
PyObject * ImageViewport_getWhole (PyImage * self, void * closure);
int ImageViewport_setWhole (PyImage * self, PyObject * value, void * closure);
PyObject * ImageViewport_getAlpha (PyImage * self, void * closure);
int ImageViewport_setAlpha (PyImage * self, PyObject * value, void * closure);
#endif
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