1/*****************************************************************************/
2// SGITranslator
3// Written by Stephan A��mus
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
65enum {
66	SGI_FORMAT	= 'SGI ',
67};
68
69class SGITranslator : public BaseTranslator {
70public:
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
83protected:
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
89private:
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