opencv/modules/imgcodecs/src/grfmt_tiff.hpp
Alexander Alekhin ba5ddd6499 imgcodecs(tiff): sanitize tiff decoder
- more checks
- drop separate branches for 32FC1/32FC3(read) handling
- added for 32F/64F non-compressed
- added tests for 32FC3 (RAW + hdr SGILOG compression)
- added test 64FC1
- dump tiff errors on stderr
2019-04-04 14:16:53 +03:00

152 lines
4.5 KiB
C++

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#ifndef _GRFMT_TIFF_H_
#define _GRFMT_TIFF_H_
#include "grfmt_base.hpp"
#ifdef HAVE_TIFF
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
};
// libtiff based TIFF codec
class TiffDecoder CV_FINAL : public BaseImageDecoder
{
public:
TiffDecoder();
virtual ~TiffDecoder() CV_OVERRIDE;
bool readHeader() CV_OVERRIDE;
bool readData( Mat& img ) CV_OVERRIDE;
void close();
bool nextPage() CV_OVERRIDE;
size_t signatureLength() const CV_OVERRIDE;
bool checkSignature( const String& signature ) const CV_OVERRIDE;
ImageDecoder newDecoder() const CV_OVERRIDE;
protected:
cv::Ptr<void> m_tif;
int normalizeChannelsNumber(int channels) const;
bool m_hdr;
size_t m_buf_pos;
private:
TiffDecoder(const TiffDecoder &); // copy disabled
TiffDecoder& operator=(const TiffDecoder &); // assign disabled
};
// ... and writer
class TiffEncoder CV_FINAL : public BaseImageEncoder
{
public:
TiffEncoder();
virtual ~TiffEncoder() CV_OVERRIDE;
bool isFormatSupported( int depth ) const CV_OVERRIDE;
bool write( const Mat& img, const std::vector<int>& params ) CV_OVERRIDE;
bool writemulti(const std::vector<Mat>& img_vec, const std::vector<int>& params) CV_OVERRIDE;
ImageEncoder newEncoder() const CV_OVERRIDE;
protected:
void writeTag( WLByteStream& strm, TiffTag tag,
TiffFieldType fieldType,
int count, int value );
bool writeLibTiff( const std::vector<Mat>& img_vec, const std::vector<int>& params );
bool write_32FC3_SGILOG(const Mat& img, void* tif);
private:
TiffEncoder(const TiffEncoder &); // copy disabled
TiffEncoder& operator=(const TiffEncoder &); // assign disabled
};
}
#endif // HAVE_TIFF
#endif/*_GRFMT_TIFF_H_*/