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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright (c) 2007 The Zdeno Ash Miklas
*
* This source file is part of VideoTexture library
*
* Contributor(s):
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file ImageViewport.h
* \ingroup bgevideotex
*/
#ifndef __IMAGEVIEWPORT_H__
#define __IMAGEVIEWPORT_H__
#include "Common.h"
#include "ImageBase.h"
#include "RAS_IOffScreen.h"
/// class for viewport access
class ImageViewport : public ImageBase
{
public:
/// constructor
ImageViewport (PyRASOffScreen *offscreen=NULL);
/// 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[2] = NULL);
/// get position in viewport
GLint * getPosition (void) { return m_position; }
/// set position in viewport
void setPosition (GLint pos[2] = NULL);
/// capture image from viewport to user buffer
virtual bool loadImage(unsigned int *buffer, unsigned int size, unsigned int format, double ts);
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) { calcViewport(texId, ts, GL_RGBA); }
/// capture image from viewport
virtual void calcViewport (unsigned int texId, double ts, unsigned int format);
/// 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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