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// For Open Source Computer Vision Library
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#ifndef _GRFMT_TIFF_H_
#define _GRFMT_TIFF_H_
#include "grfmt_base.hpp"
namespace cv
{
// 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 TiffDecoder : public BaseImageDecoder
{
public:
TiffDecoder();
virtual ~TiffDecoder();
bool readHeader();
bool readData( Mat& img );
void close();
bool nextPage();
size_t signatureLength() const;
bool checkSignature( const String& signature ) const;
ImageDecoder newDecoder() const;
protected:
void* m_tif;
int normalizeChannelsNumber(int channels) const;
bool readHdrData(Mat& img);
bool m_hdr;
};
#endif
// ... and writer
class TiffEncoder : public BaseImageEncoder
{
public:
TiffEncoder();
virtual ~TiffEncoder();
bool isFormatSupported( int depth ) const;
bool write( const Mat& img, const std::vector<int>& params );
ImageEncoder newEncoder() const;
protected:
void writeTag( WLByteStream& strm, TiffTag tag,
TiffFieldType fieldType,
int count, int value );
bool writeLibTiff( const Mat& img, const std::vector<int>& params );
bool writeHdr( const Mat& img );
};
}
#endif/*_GRFMT_TIFF_H_*/