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source: downloads/ogre_src_v1-9-0/OgreMain/include/OgrePVRTCCodec.h @ 148

Last change on this file since 148 was 148, checked in by patricwi, 6 years ago

Added new dependencies for ogre1.9 and cegui0.8

File size: 3.0 KB
Line 
1/*
2-----------------------------------------------------------------------------
3This source file is part of OGRE
4(Object-oriented Graphics Rendering Engine)
5For the latest info, see http://www.ogre3d.org/
6
7Copyright (c) 2000-2013 Torus Knot Software Ltd
8
9Permission is hereby granted, free of charge, to any person obtaining a copy
10of this software and associated documentation files (the "Software"), to deal
11in the Software without restriction, including without limitation the rights
12to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13copies of the Software, and to permit persons to whom the Software is
14furnished to do so, subject to the following conditions:
15
16The above copyright notice and this permission notice shall be included in
17all copies or substantial portions of the Software.
18
19THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25THE SOFTWARE.
26-----------------------------------------------------------------------------
27*/
28#ifndef __OgrePVRTCCodec_H__
29#define __OgrePVRTCCodec_H__
30
31#include "OgreImageCodec.h"
32
33namespace Ogre {
34        /** \addtogroup Core
35        *  @{
36        */
37        /** \addtogroup Image
38        *  @{
39        */
40
41    /** Codec specialized in loading PVRTC (PowerVR) images.
42        @remarks
43                We implement our own codec here since we need to be able to keep PVRTC
44                data compressed if the card supports it.
45    */
46    class _OgreExport PVRTCCodec : public ImageCodec
47    {
48    protected:
49        String mType;
50
51        void flipEndian(void * pData, size_t size, size_t count) const;
52            void flipEndian(void * pData, size_t size) const;
53
54                /// Single registered codec instance
55                static PVRTCCodec* msInstance;
56
57        public:
58        PVRTCCodec();
59        virtual ~PVRTCCodec() { }
60
61        /// @copydoc Codec::encode
62        DataStreamPtr encode(MemoryDataStreamPtr& input, CodecDataPtr& pData) const;
63        /// @copydoc Codec::encodeToFile
64        void encodeToFile(MemoryDataStreamPtr& input, const String& outFileName, CodecDataPtr& pData) const;
65        /// @copydoc Codec::decode
66        DecodeResult decode(DataStreamPtr& input) const;
67                /// @copydoc Codec::magicNumberToFileExt
68                String magicNumberToFileExt(const char *magicNumberPtr, size_t maxbytes) const;
69       
70        virtual String getType() const;       
71
72                /// Static method to startup and register the PVRTC codec
73                static void startup(void);
74                /// Static method to shutdown and unregister the PVRTC codec
75                static void shutdown(void);
76
77        private:
78                /// Decode PVRTCV2 image format
79                DecodeResult decodeV2(DataStreamPtr& stream) const;
80
81                /// Decode PVRTCV3 image format
82                DecodeResult decodeV3(DataStreamPtr& stream) const;
83    };
84        /** @} */
85        /** @} */
86
87} // namespace
88
89#endif
90
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