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# SoSFImage.h

    00001 #ifndef COIN_SOSFIMAGE_H
    00002 #define COIN_SOSFIMAGE_H
    00003
    00004 /**************************************************************************\
    00005  *
    00006  *  This file is part of the Coin 3D visualization library.
    00007  *  Copyright (C) 1998-2003 by Systems in Motion.  All rights reserved.
    00008  *
    00009  *  This library is free software; you can redistribute it and/or
    00010  *  modify it under the terms of the GNU General Public License
    00011  *  ("GPL") version 2 as published by the Free Software Foundation.
    00012  *  See the file LICENSE.GPL at the root directory of this source
    00013  *  distribution for additional information about the GNU GPL.
    00014  *
    00015  *  For using Coin with software that can not be combined with the GNU
    00016  *  GPL, and for taking advantage of the additional benefits of our
    00017  *  support services, please contact Systems in Motion about acquiring
    00018  *  a Coin Professional Edition License.
    00019  *
    00020  *  See <URL:http://www.coin3d.org> for  more information.
    00021  *
    00022  *  Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY.
    00023  *  <URL:http://www.sim.no>.
    00024  *
    00025 \**************************************************************************/
    00026
    00027 #include <Inventor/fields/SoSField.h>
    00028 #include <Inventor/fields/SoSubField.h>
    00029 #include <Inventor/SbVec2s.h>
    00030
    00031
    00032 class COIN_DLL_API SoSFImage : public SoSField {
    00033   typedef SoSField inherited;
    00034
    00035   SO_SFIELD_CONSTRUCTOR_HEADER(SoSFImage);
    00036   SO_SFIELD_REQUIRED_HEADER(SoSFImage);
    00037
    00038 public:
    00039   enum CopyPolicy {
    00040     COPY,
    00041     NO_COPY,
    00042     NO_COPY_AND_DELETE,
    00043     NO_COPY_AND_FREE
    00044   };
    00045
    00046   static void initClass(void);
    00047
    00048   const unsigned char * getValue(SbVec2s & size, int & nc) const;
    00049   void setValue(const SbVec2s & size, const int nc,
    00050                 const unsigned char * pixels, CopyPolicy copypolicy = COPY);
    00051
    00052   int operator==(const SoSFImage & field) const;
    00053   int operator!=(const SoSFImage & field) const { return ! operator == (field); }
    00054
    00055   unsigned char * startEditing(SbVec2s & size, int & nc);
    00056   void finishEditing(void);
    00057
    00058   void setSubValue(const SbVec2s & dims, const SbVec2s & offset, unsigned char * pixels);
    00059   void setSubValues(const SbVec2s * dims, const SbVec2s * offsets, int num, unsigned char ** pixelblocks);
    00060   unsigned char * getSubTexture(int idx, SbVec2s & dims, SbVec2s & offset) const;
    00061   SbBool hasSubTextures(int & numsubtextures);
    00062
    00063   void setNeverWrite(SbBool flag);
    00064   SbBool isNeverWrite(void) const;
    00065
    00066   SbBool hasTransparency(void) const;
    00067
    00068 private:
    00069   virtual SbBool readValue(SoInput * in);
    00070   virtual void writeValue(SoOutput * out) const;
    00071
    00072   class SoSFImageP * pimpl;
    00073 };
    00074
    00075 #endif // !COIN_SOSFIMAGE_H