| /*M/////////////////////////////////////////////////////////////////////////////////////// |
| // |
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| // |
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| // copy or use the software. |
| // |
| // |
| // Intel License Agreement |
| // For Open Source Computer Vision Library |
| // |
| // Copyright (C) 2000, Intel Corporation, all rights reserved. |
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| // Redistribution and use in source and binary forms, with or without modification, |
| // are permitted provided that the following conditions are met: |
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| // * Redistribution's in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
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| // This software is provided by the copyright holders and contributors "as is" and |
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| // |
| //M*/ |
| |
| #ifndef _GRFMT_TIFF_H_ |
| #define _GRFMT_TIFF_H_ |
| |
| #include "grfmt_base.h" |
| |
| |
| // native simple TIFF codec |
| enum TiffCompression |
| { |
| TIFF_UNCOMP = 1, |
| TIFF_HUFFMAN = 2, |
| TIFF_PACKBITS = 32773 |
| }; |
| |
| enum TiffByteOrder |
| { |
| TIFF_ORDER_II = 0x4949, |
| TIFF_ORDER_MM = 0x4d4d |
| }; |
| |
| |
| enum TiffTag |
| { |
| TIFF_TAG_WIDTH = 256, |
| TIFF_TAG_HEIGHT = 257, |
| TIFF_TAG_BITS_PER_SAMPLE = 258, |
| TIFF_TAG_COMPRESSION = 259, |
| TIFF_TAG_PHOTOMETRIC = 262, |
| TIFF_TAG_STRIP_OFFSETS = 273, |
| TIFF_TAG_STRIP_COUNTS = 279, |
| TIFF_TAG_SAMPLES_PER_PIXEL = 277, |
| TIFF_TAG_ROWS_PER_STRIP = 278, |
| TIFF_TAG_PLANAR_CONFIG = 284, |
| TIFF_TAG_COLOR_MAP = 320 |
| }; |
| |
| |
| enum TiffFieldType |
| { |
| TIFF_TYPE_BYTE = 1, |
| TIFF_TYPE_SHORT = 3, |
| TIFF_TYPE_LONG = 4 |
| }; |
| |
| |
| |
| #ifdef HAVE_TIFF |
| |
| // libtiff based TIFF codec |
| |
| class GrFmtTiffReader : public GrFmtReader |
| { |
| public: |
| |
| GrFmtTiffReader( const char* filename ); |
| ~GrFmtTiffReader(); |
| |
| bool CheckFormat( const char* signature ); |
| bool ReadData( uchar* data, int step, int color ); |
| bool ReadHeader(); |
| void Close(); |
| |
| protected: |
| |
| void* m_tif; |
| }; |
| |
| |
| #else |
| |
| class GrFmtTiffReader : public GrFmtReader |
| { |
| public: |
| |
| GrFmtTiffReader( const char* filename ); |
| ~GrFmtTiffReader(); |
| |
| bool CheckFormat( const char* signature ); |
| bool ReadData( uchar* data, int step, int color ); |
| bool ReadHeader(); |
| void Close(); |
| |
| protected: |
| |
| RLByteStream m_strm; |
| PaletteEntry m_palette[256]; |
| int m_bpp; |
| int* m_temp_palette; |
| int m_max_pal_length; |
| int* m_offsets; |
| int m_maxoffsets; |
| int m_strips; |
| int m_rows_per_strip; |
| TiffCompression m_compression; |
| TiffByteOrder m_byteorder; |
| |
| int GetWordEx(); |
| int GetDWordEx(); |
| int ReadTable( int offset, int count, TiffFieldType fieldtype, |
| int*& array, int& arraysize ); |
| }; |
| |
| #endif |
| |
| // ... and writer |
| class GrFmtTiffWriter : public GrFmtWriter |
| { |
| public: |
| |
| GrFmtTiffWriter( const char* filename ); |
| ~GrFmtTiffWriter(); |
| |
| bool WriteImage( const uchar* data, int step, |
| int width, int height, int depth, int channels ); |
| protected: |
| |
| WLByteStream m_strm; |
| |
| void WriteTag( TiffTag tag, TiffFieldType fieldType, |
| int count, int value ); |
| }; |
| |
| |
| // TIFF filter factory |
| class GrFmtTiff : public GrFmtFilterFactory |
| { |
| public: |
| |
| GrFmtTiff(); |
| ~GrFmtTiff(); |
| |
| GrFmtReader* NewReader( const char* filename ); |
| GrFmtWriter* NewWriter( const char* filename ); |
| bool CheckSignature( const char* signature ); |
| }; |
| |
| #endif/*_GRFMT_TIFF_H_*/ |