00001 /*=======================================================================
00002  *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
00003  ***              AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT.                     ***
00004  ***                                                                                ***
00005  ***  REPRODUCTION, DISCLOSURE,  OR USE,  IN WHOLE OR IN PART,  OTHER THAN AS       ***
00006  ***  SPECIFIED  IN THE LICENSE ARE  NOT TO BE  UNDERTAKEN  EXCEPT WITH PRIOR       ***
00007  ***  WRITTEN AUTHORIZATION OF FEI S.A.S.                                           ***
00008  ***                                                                                ***
00009  ***                        RESTRICTED RIGHTS LEGEND                                ***
00010  ***  USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS      ***
00011  ***  WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN      ***
00012  ***  SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT      ***
00013  ***  CLAUSE  AT FAR 52.227-19  OR SUBPARAGRAPH  (C)(1)(II)  OF  THE RIGHTS IN      ***
00014  ***  TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013.             ***
00015  ***                                                                                ***
00016  ***                   COPYRIGHT (C) 1996-2022 BY FEI S.A.S,                        ***
00017  ***                        BORDEAUX, FRANCE                                        ***
00018  ***                      ALL RIGHTS RESERVED                                       ***
00019 **=======================================================================*/
00020 /*=======================================================================
00021 ** Author      : D. DALLA-ROSA(Jul 2010)
00022 **=======================================================================*/
00023 
00024 
00025 #if !defined(SO_HDR_IMAGERW_H)
00026 #define SO_HDR_IMAGERW_H
00027 
00028 #include <Inventor/image/SoRasterImageRW.h>
00029 #include <Inventor/threads/SbThreadMutex.h>
00030 
00031 
00051 class  SoHDRImageRW : public SoRasterImageRW {
00052 
00053   SO_IMAGE_RASTER_RW_HEADER()
00054 
00055 public:
00056 
00060   SoHDRImageRW();
00061 
00065   virtual ~SoHDRImageRW();
00066 
00070   virtual SbBool open(SoRasterImageIO* rasterImageIO, OpenMode openMode);
00071 
00077   virtual SbBool write(SbRasterImage* rasterImage, unsigned int xPos = 0, unsigned int yPos = 0);
00078 
00082   virtual SbBool writeFooter();
00083 
00089   virtual SbBool read(SbRasterImage* rasterImage, SbBool infoOnly = FALSE); 
00096   virtual SbBool isMultipleBufferInverted() const;
00097 
00101   virtual SoRasterImageRW::WriteCapability getWriteCapability() const;
00102 
00106   virtual SoRasterImageRW::ReadCapability getReadCapability() const;
00107 
00108 private:
00109   virtual bool supportsAlpha() const;
00110 
00111 private:
00112 
00113   virtual void createSuffixList();
00114 
00115 private:
00117   static SbThreadMutex s_mutex;
00118 
00122   static SbBool readHDRIBuffer(FILE* file, unsigned char* scan, int xmax);
00123 
00127   static SbBool checkHDRIHeader(FILE* file, int &ymax, int &xmax);
00128 
00133   static SbBool writeData(FILE* file, SbRasterImage* rasterImage );
00134 
00139   static SbBool writePixels(FILE* file, unsigned char* data, unsigned long size);
00140 
00144   static SbBool writePixelsRLE(FILE* file, unsigned char* data, unsigned long size);
00145 };
00146 
00147 #endif // SO_HDR_IMAGERW_H
00148
Inventor/image/SoHDRImageRW.h
