Optimizer.h

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//---------------------------------------------------------------------------------------
// Copyright (c) 2001-2023 by Apryse Software Inc. All Rights Reserved.
// Consult legal.txt regarding legal and license information.
//---------------------------------------------------------------------------------------
#ifndef PDFTRON_H_CPPPDFOptimizer
#define PDFTRON_H_CPPPDFOptimizer

#include <PDF/PDFDoc.h>
#include <C/PDF/TRN_Optimizer.h>

namespace pdftron{
    namespace PDF{


class ImageSettings;
class MonoImageSettings;
class TextSettings;
class OptimizerSettings;

class Optimizer
{
public:
    typedef pdftron::PDF::ImageSettings ImageSettings;
    typedef pdftron::PDF::MonoImageSettings MonoImageSettings;
    typedef pdftron::PDF::TextSettings TextSettings;
    typedef pdftron::PDF::OptimizerSettings OptimizerSettings;


    static void Optimize(PDFDoc& doc, const OptimizerSettings& settings);
    static void Optimize(PDFDoc& doc);

    // @cond PRIVATE_DOC

#ifndef SWIGHIDDEN
private:
    Optimizer() {};
#endif
    // @endcond

};


class ImageSettings : public TRN_OptimizerImageSettings
{
public:
    enum CompressionMode
    {
        e_retain,
        e_flate, 
        e_jpeg,
        e_jpeg2000,
        e_none
    };

    enum DownsampleMode
    {
        e_off,
        e_default
    };
    ImageSettings();

    void SetImageDPI(double maximum,double resampling);

    void SetCompressionMode(enum CompressionMode mode);

    void SetDownsampleMode(enum DownsampleMode mode);

    void SetQuality(UInt32 quality);

    void ForceRecompression(bool force);

    void ForceChanges(bool force);
};

class MonoImageSettings : public TRN_OptimizerMonoImageSettings
{
public:
    enum CompressionMode
    {
        e_jbig2,
        e_flate,
        e_none,
        e_ccitt
    };

    enum DownsampleMode
    {
        e_off,
        e_default
    };

    MonoImageSettings();

    void SetImageDPI(double maximum,double resampling);

    void SetCompressionMode(enum CompressionMode mode);


    void SetDownsampleMode(enum DownsampleMode mode);


    void ForceRecompression(bool force);

    void ForceChanges(bool force);

    void SetJBIG2Threshold(double jbig2_threshold);

};

class TextSettings : public TRN_OptimizerTextSettings
{
public:
    TextSettings();

    void SubsetFonts(bool subset);

    void EmbedFonts(bool embed);
};

class OptimizerSettings
{
public:
    OptimizerSettings();

    void SetColorImageSettings(const ImageSettings& settings);

    void SetGrayscaleImageSettings(const ImageSettings& settings);
        
    void SetMonoImageSettings(const MonoImageSettings& settings);
        
    void SetTextSettings(const TextSettings& settings);

    void RemoveCustomEntries(bool should_remove);

    ImageSettings m_color_image_settings;
    ImageSettings m_grayscale_image_settings;
    MonoImageSettings m_mono_image_settings;
    TextSettings m_text_settings;
    bool m_remove_custom;
};
    

#include <Impl/Optimizer.inl>

    } // namespace PDF
} // namespace pdftron

#endif // PDFTRON_H_CPPPDFOptimizer