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00001 #ifndef COIN_SBIMAGE_H 00002 #define COIN_SBIMAGE_H 00003 00004 /**************************************************************************\ 00005 * 00006 * This file is part of the Coin 3D visualization library. 00007 * Copyright (C) by Kongsberg Oil & Gas Technologies. 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 Kongsberg Oil & Gas Technologies 00018 * about acquiring a Coin Professional Edition License. 00019 * 00020 * See http://www.coin3d.org/ for more information. 00021 * 00022 * Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY. 00023 * http://www.sim.no/ sales@sim.no coin-support@coin3d.org 00024 * 00025 \**************************************************************************/ 00026 00027 #include <Inventor/SbVec2s.h> 00028 #include <Inventor/SbVec3s.h> 00029 #include <Inventor/SbString.h> 00030 #include <stddef.h> // for NULL 00031 00032 class SbImage; 00033 00034 typedef SbBool SbImageScheduleReadCB(const SbString &, SbImage *, void *); 00035 typedef SbBool SbImageReadImageCB(const SbString &, SbImage *, void *); 00036 00037 class COIN_DLL_API SbImage { 00038 public: 00039 SbImage(void); 00040 SbImage(const unsigned char * bytes, 00041 const SbVec2s & size, const int bytesperpixel); 00042 SbImage(const unsigned char * bytes, 00043 const SbVec3s & size, const int bytesperpixel); 00044 ~SbImage(); 00045 00046 void setValue(const SbVec2s & size, const int bytesperpixel, 00047 const unsigned char * bytes); 00048 void setValue(const SbVec3s & size, const int bytesperpixel, 00049 const unsigned char * bytes); 00050 void setValuePtr(const SbVec2s & size, const int bytesperpixel, 00051 const unsigned char * bytes); 00052 void setValuePtr(const SbVec3s & size, const int bytesperpixel, 00053 const unsigned char * bytes); 00054 unsigned char * getValue(SbVec2s & size, int & bytesperpixel) const; 00055 unsigned char * getValue(SbVec3s & size, int & bytesperpixel) const; 00056 SbVec3s getSize(void) const; 00057 00058 SbBool readFile(const SbString & filename, 00059 const SbString * const * searchdirectories = NULL, 00060 const int numdirectories = 0); 00061 00062 int operator==(const SbImage & image) const; 00063 int operator!=(const SbImage & image) const { 00064 return ! operator == (image); 00065 } 00066 SbImage & operator=(const SbImage & image); 00067 00068 static void addReadImageCB(SbImageReadImageCB * cb, void * closure); 00069 static void removeReadImageCB(SbImageReadImageCB * cb, void * closure); 00070 00071 static SbString searchForFile(const SbString & basename, 00072 const SbString * const * dirlist, 00073 const int numdirs); 00074 00075 SbBool hasData(void) const; 00076 00077 private: 00078 00079 class SbImageP * pimpl; 00080 00081 public: 00082 00083 // methods for delaying image loading until it is actually needed. 00084 void readLock(void) const; 00085 void readUnlock(void) const; 00086 00087 SbBool scheduleReadFile(SbImageScheduleReadCB * cb, 00088 void * closure, 00089 const SbString & filename, 00090 const SbString * const * searchdirectories = NULL, 00091 const int numdirectories = 0); 00092 }; 00093 00094 #endif // !COIN_SBIMAGE_H
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