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/*
*
* Copyright (C) 2000 Silicon Graphics, Inc. All Rights Reserved.
*
* This 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 2.1 of the License, or (at your option) any later version.
*
* This 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.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/NoticeExplan/
*
*/
// -*- C++ -*-
/*
* Copyright (C) 1990,91 Silicon Graphics, Inc.
*
_______________________________________________________________________
______________ S I L I C O N G R A P H I C S I N C . ____________
|
| $Revision: 1.1.1.1 $
|
| Classes:
| SoSFImage
|
| Author(s) : Gavin Bell
|
______________ S I L I C O N G R A P H I C S I N C . ____________
_______________________________________________________________________
*/
#ifndef _SO_SF_IMAGE_
#define _SO_SF_IMAGE_
#include <Inventor/fields/SoSubField.h>
#include <Inventor/SbLinear.h>
//////////////////////////////////////////////////////////////////////////////
//
// SoSFImage subclass of SoSField.
//
//////////////////////////////////////////////////////////////////////////////
// C-api: prefix=SoSImg
class SoSFImage : public SoSField {
// Uses only some of the standard field stuff (because there is no
// SbImage type):
SO_SFIELD_REQUIRED_HEADER(SoSFImage);
SO_SFIELD_CONSTRUCTOR_HEADER(SoSFImage);
public:
// getValue returns the size, number of components and a constant
// pointer to the image.
// C-api: name=get
const unsigned char * getValue(SbVec2s &size, int &nc) const;
// setValue copies the image given to it into internal storage.
// See startEditing() for a way of avoiding the copy if you are
// doing a getValue() followed immediately by a setValue().
// C-api: name=set
void setValue(const SbVec2s &size, int nc,
const unsigned char *bytes);
// Equality/inequality tests
int operator ==(const SoSFImage &f) const;
int operator !=(const SoSFImage &f) const
{ return ! ((*this) == f); }
// Avoid copying the values in/out, if you are just changing the
// bytes and not changing the dimensions of the image. This is
// equivalent to getValue, but returns a pointer you can change.
// C-api: name=startEdit
unsigned char * startEditing(SbVec2s &size, int &nc);
// C-api: name=finishEdit
void finishEditing();
SoINTERNAL public:
static void initClass();
private:
SbVec2s size; // Width and height of image
int numComponents; // Number of components per pixel
unsigned char * bytes; // Array of pixels
// Reading and writing
virtual SbBool readValue(SoInput *in);
virtual void writeValue(SoOutput *out) const;
};
#endif /* _SO_SF_IMAGE_ */
|
