MRTiffIO.h

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#pragma once
#include "MRMeshFwd.h"
#if !defined( __EMSCRIPTEN__) && !defined( MRMESH_NO_TIFF )
#include "MRExpected.h"
#include "MRVector2.h"
 
#include <filesystem>
#include <string>
 
namespace MR
{
 
 
struct BaseTiffParameters
{
    enum class SampleType
    {
        Unknown,
        Uint,
        Int,
        Float
    } sampleType{ SampleType::Unknown };
 
    enum class ValueType
    {
        Unknown,
        Scalar,
        RGB,
        RGBA,
    } valueType{ ValueType::Unknown };
 
    int bytesPerSample = 0;
 
    Vector2i imageSize;
 
    bool operator==( const BaseTiffParameters& ) const = default;
};
 
struct TiffParameters : BaseTiffParameters
{
    bool tiled = false;
    Vector2i tileSize;
    int layers = 1;
    int depth = 0;
 
    bool operator==( const TiffParameters& ) const = default;
};
 
MRMESH_API bool isTIFFFile( const std::filesystem::path& path );
 
MRMESH_API Expected<TiffParameters> readTiffParameters( const std::filesystem::path& path );
 
struct RawTiffOutput
{
    uint8_t* bytes{ nullptr };
    size_t size{ 0 };
    TiffParameters* params{ nullptr };
    AffineXf3f* p2wXf{ nullptr };
    bool convertToFloat{ true };
    float* min{ nullptr };
    float* max{ nullptr };
};
 
MRMESH_API Expected<void> readRawTiff( const std::filesystem::path& path, RawTiffOutput& output );
 
struct WriteRawTiffParams
{
    BaseTiffParameters baseParams;
    const AffineXf3f* xf = nullptr;
    std::string noData;
};
 
MRMESH_API Expected<void> writeRawTiff( const uint8_t* bytes, const std::filesystem::path& path,
    const WriteRawTiffParams& params );
[[deprecated( "use WriteRawTiffParams version instead" )]]
inline Expected<void> writeRawTiff( const uint8_t* bytes, const std::filesystem::path& path,
    const BaseTiffParameters& params, const AffineXf3f* xf )
{
    return writeRawTiff( bytes, path, { .baseParams = params, .xf = xf } );
}
 
}
 
#endif