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SoVRMLImageTexture.h

00001 /**************************************************************************\
00002  *
00003  *  This file is part of the Coin 3D visualization library.
00004  *  Copyright (C) 1998-2007 by Systems in Motion.  All rights reserved.
00005  *
00006  *  This library is free software; you can redistribute it and/or
00007  *  modify it under the terms of the GNU General Public License
00008  *  ("GPL") version 2 as published by the Free Software Foundation.
00009  *  See the file LICENSE.GPL at the root directory of this source
00010  *  distribution for additional information about the GNU GPL.
00011  *
00012  *  For using Coin with software that can not be combined with the GNU
00013  *  GPL, and for taking advantage of the additional benefits of our
00014  *  support services, please contact Systems in Motion about acquiring
00015  *  a Coin Professional Edition License.
00016  *
00017  *  See http://www.coin3d.org/ for more information.
00018  *
00019  *  Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY.
00020  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00021  *
00022 \**************************************************************************/
00023 
00024 #ifndef COIN_SOVRMLIMAGETEXTURE_H
00025 #define COIN_SOVRMLIMAGETEXTURE_H
00026 
00027 #include <Inventor/nodes/SoSubNode.h>
00028 #include <Inventor/VRMLnodes/SoVRMLTexture.h>
00029 #include <Inventor/fields/SoMFString.h>
00030 #include <Inventor/SbImage.h>
00031 
00032 class SoVRMLImageTexture;
00033 class SoSensor;
00034 class SbImage;
00035 
00036 typedef SbBool VRMLPrequalifyFileCallback(const SbString &, void *,
00037                                           SoVRMLImageTexture *);
00038 
00039 class COIN_DLL_API SoVRMLImageTexture : public SoVRMLTexture
00040 {
00041   typedef SoVRMLTexture inherited;
00042   SO_NODE_HEADER(SoVRMLImageTexture);
00043 
00044 public:
00045   static void initClass(void);
00046   SoVRMLImageTexture(void);
00047 
00048   SoMFString url;
00049 
00050   static void setDelayFetchURL(const SbBool onoff);
00051   static void setPrequalifyFileCallBack(VRMLPrequalifyFileCallback * cb,
00052                                         void * closure);
00053   void allowPrequalifyFile(SbBool enable);
00054 
00055   virtual void doAction(SoAction * action);
00056   virtual void GLRender(SoGLRenderAction * action);
00057   virtual void callback(SoCallbackAction * action);
00058   virtual void rayPick(SoRayPickAction * action);
00059 
00060   void setImage(const SbImage & image);
00061   const SbImage * getImage(void) const;
00062 
00063   static void setImageDataMaxAge(const uint32_t maxage);
00064 
00065 protected:
00066   virtual ~SoVRMLImageTexture();
00067 
00068   virtual SbBool readInstance(SoInput * in, unsigned short flags);
00069   int getReadStatus(void) const;
00070   void setReadStatus(int status);
00071 
00072 private:
00073 
00074   SbBool readImage(const SbString & filename);
00075   SbBool loadUrl(void);
00076   class SoVRMLImageTextureP * pimpl;
00077   static void urlSensorCB(void *, SoSensor *);
00078   static void glimage_callback(void * closure);
00079   static SbBool image_read_cb(const SbString &, SbImage *, void *);
00080   static void read_thread(void * closure);
00081   static SbBool default_prequalify_cb(const SbString & url,  void * closure, 
00082                                       SoVRMLImageTexture * node);
00083   static void oneshot_readimage_cb(void *, SoSensor *);
00084 
00085 }; // class SoVRMLImageTexture
00086 
00087 #endif // ! COIN_SOVRMLIMAGETEXTURE_H

Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.

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