pketiledscene.hpp

// This file is part of slideio project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://slideio.com/license.html.
#pragma once
 
#include "slideio/drivers/pke/pkescene.hpp"
#include "slideio/imagetools/tifftools.hpp"
#include "slideio/core/tools/tilecomposer.hpp"
 
#if defined(_MSC_VER)
#pragma warning( push )
#pragma warning(disable: 4251)
#endif
 
namespace slideio
{
    class SLIDEIO_PKE_EXPORTS PKETiledScene : public PKEScene, public Tiler
    {
    public:
        PKETiledScene(const std::string& filePath,
                      const std::string& name,
                      const std::vector<slideio::TiffDirectory>& dirs);
        PKETiledScene(const std::string& filePath, 
            libtiff::TIFF* hFile,
            const std::string& name,
            const std::vector<slideio::TiffDirectory>& dirs);
        int getNumChannels() const override;
        cv::Rect getRect() const override;
        void readResampledBlockChannels(const cv::Rect& blockRect, const cv::Size& blockSize, const std::vector<int>& channelIndices,
            cv::OutputArray output) override;
        int findZoomLevel(double zoom) const;
        // Tiler methods
        int getTileCount(void* userData) override;
        bool getTileRect(int tileIndex, cv::Rect& tileRect, void* userData) override;
        bool readTile(int tileIndex, const std::vector<int>& channelIndices, cv::OutputArray tileRaster,
            void* userData) override;
        void initializeBlock(const cv::Size& blockSize, const std::vector<int>& channelIndices, cv::OutputArray output) override;
        std::string getChannelName(int channel) const override;
        bool isBrightField() const;
    private:
        void initialize();
        void initializeChannelNames();
        bool readTiffTile(int tileIndex, const TiffDirectory& dir, const std::vector<int>& channelIndices, cv::OutputArray tileRaster);
        bool readTiffDirectory(const TiffDirectory& dir, const std::vector<int>& channelIndices, cv::OutputArray tileRaster);
    private:
        std::vector<slideio::TiffDirectory> m_directories;
        bool m_isUnmixed = false;
        std::vector<int> m_zoomDirectoryIndices;
        int m_numChannels = 0;
        std::vector<std::string> m_channelNames;
    };
}
 
#if defined(_MSC_VER)
#pragma warning( pop )
#endif