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 : C. OGNIER (Jun 2003) 00022 **=======================================================================*/ 00023 00024 00025 #ifndef _SOJPEGIMAGERW_ 00026 #define _SOJPEGIMAGERW_ 00027 00028 #include <Inventor/image/SoRasterImageRW.h> 00029 #include <Inventor/threads/SbThreadMutex.h> 00030 00031 struct jpeg_compress_struct; 00032 00052 class SoJPEGImageRW : public SoRasterImageRW { 00053 00054 SO_IMAGE_RASTER_RW_HEADER() 00055 00056 public: 00057 00061 SoJPEGImageRW(); 00062 00066 virtual ~SoJPEGImageRW(); 00067 00071 virtual SbBool open(SoRasterImageIO* rasterImageIO, OpenMode openMode); 00072 00076 virtual void close(); 00077 00083 virtual SbBool write(SbRasterImage* rasterImage, unsigned int xPos = 0, unsigned int yPos = 0); 00084 00088 virtual SbBool writeFooter(); 00089 00095 virtual SbBool read(SbRasterImage* rasterImage, SbBool infoOnly = FALSE); 00096 00102 virtual SbBool isMultipleBufferInverted() const; 00103 00107 virtual SoRasterImageRW::WriteCapability getWriteCapability() const; 00108 00112 virtual SoRasterImageRW::ReadCapability getReadCapability() const; 00113 00118 void setOutputQuality(float quality); 00119 00123 float getOutputQuality() const; 00124 00125 private: 00126 unsigned char* getBuffer(size_t& size) const; 00127 00128 virtual bool supportsAlpha() const; 00129 00130 private: 00131 virtual void createSuffixList(); 00132 00133 00134 private: 00135 static SbThreadMutex s_mutex; 00136 00137 struct jpeg_compress_struct* m_cinfoW; 00138 float m_quality; 00139 SbBool m_writeToBuffer; 00140 size_t m_jpegBufferSize; 00141 unsigned char* m_jpegBuffer; 00142 bool m_isJpegLibraryLoaded; 00143 }; 00144 00145 #endif 00146