1 /*****************************************************************************/ 2 // SGITranslator 3 // Written by Stephan Aßmus 4 // based on TIFFTranslator written mostly by 5 // Michael Wilber, Haiku Translation Kit Team 6 // 7 // SGITranslator.h 8 // 9 // This BTranslator based object is for opening and writing 10 // SGI images. 11 // 12 // 13 // Copyright (c) 2003 Haiku Project 14 // 15 // Permission is hereby granted, free of charge, to any person obtaining a 16 // copy of this software and associated documentation files (the "Software"), 17 // to deal in the Software without restriction, including without limitation 18 // the rights to use, copy, modify, merge, publish, distribute, sublicense, 19 // and/or sell copies of the Software, and to permit persons to whom the 20 // Software is furnished to do so, subject to the following conditions: 21 // 22 // The above copyright notice and this permission notice shall be included 23 // in all copies or substantial portions of the Software. 24 // 25 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 26 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 27 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 28 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 29 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 30 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 31 // DEALINGS IN THE SOFTWARE. 32 /*****************************************************************************/ 33 34 #ifndef SGI_TRANSLATOR_H 35 #define SGI_TRANSLATOR_H 36 37 #include <Translator.h> 38 #include <TranslatorFormats.h> 39 #include <TranslationDefs.h> 40 #include <GraphicsDefs.h> 41 #include <InterfaceDefs.h> 42 #include <DataIO.h> 43 #include <File.h> 44 #include <ByteOrder.h> 45 #include <fs_attr.h> 46 #include "BaseTranslator.h" 47 48 #define SGI_TRANSLATOR_VERSION B_TRANSLATION_MAKE_VERSION(1,0,0) 49 50 #define SGI_IN_QUALITY 0.5 51 #define SGI_IN_CAPABILITY 0.6 52 #define SGI_OUT_QUALITY 1.0 53 // high out quality because this code outputs fully standard SGIs 54 #define SGI_OUT_CAPABILITY 0.4 55 // medium out capability because not many SGI features are supported (?) 56 57 #define BBT_IN_QUALITY 0.4 58 #define BBT_IN_CAPABILITY 0.6 59 #define BBT_OUT_QUALITY 0.4 60 #define BBT_OUT_CAPABILITY 0.6 61 62 // SGI Translator Settings 63 #define SGI_SETTING_COMPRESSION "sgi /compression" 64 65 enum { 66 SGI_FORMAT = 'SGI ', 67 }; 68 69 class SGITranslator : public BaseTranslator { 70 public: 71 SGITranslator(); 72 73 virtual status_t DerivedIdentify(BPositionIO *inSource, 74 const translation_format *inFormat, BMessage *ioExtension, 75 translator_info *outInfo, uint32 outType); 76 77 virtual status_t DerivedTranslate(BPositionIO *inSource, 78 const translator_info *inInfo, BMessage *ioExtension, 79 uint32 outType, BPositionIO *outDestination, int32 baseType); 80 81 virtual BView *NewConfigView(TranslatorSettings *settings); 82 83 protected: 84 virtual ~SGITranslator(); 85 // this is protected because the object is deleted by the 86 // Release() function instead of being deleted directly by 87 // the user 88 89 private: 90 91 status_t translate_from_bits(BPositionIO *inSource, uint32 outType, 92 BPositionIO *outDestination); 93 94 status_t translate_from_sgi(BPositionIO *inSource, uint32 outType, 95 BPositionIO *outDestination); 96 }; 97 98 #endif // #ifndef SGI_TRANSLATOR_H 99