MRPdf.h

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#pragma once
 
#include "config.h"
#ifndef MRIOEXTRAS_NO_PDF
#include "exports.h"
#include "MRMesh/MRMeshFwd.h"
#include "MRMesh/MRVector2.h"
#include "MRMesh/MRBox.h"
#include "MRMesh/MRColor.h"
 
#include <filesystem>
#include <vector>
 
namespace MR
{
 
struct PdfParameters
{
    float titleSize = 18.f;
    float textSize = 14.f;
    std::string defaultFontName = "Helvetica";
    std::string tableFontName = "Courier";
};
 
class Pdf
{
public:
    MRIOEXTRAS_API Pdf( const std::filesystem::path& documentPath, const PdfParameters& params = PdfParameters() );
    MRIOEXTRAS_API Pdf( Pdf&& other ) noexcept;
    MRIOEXTRAS_API Pdf& operator=( Pdf other ) noexcept; // Sic, passing by value.
    MRIOEXTRAS_API ~Pdf();
 
    MRIOEXTRAS_API void addText( const std::string& text, bool isTitle = false );
 
    MRIOEXTRAS_API void addTable( const std::vector<std::pair<std::string, float>>& table );
 
    struct PaletteRowStats
    {
        Color color;
        std::string rangeMin;
        std::string rangeMax;
        std::string percent;
    };
    MRIOEXTRAS_API void addPaletteStatsTable( const std::vector<PaletteRowStats>& paletteStats );
 
    struct ImageParams
    {
        Vector2f size;
        std::string caption;
        bool uniformScaleFromWidth = false;
    };
    MRIOEXTRAS_API void addImageFromFile( const std::filesystem::path& imagePath, const ImageParams& params );
 
    MRIOEXTRAS_API void newPage();
 
    MRIOEXTRAS_API void close();
 
    void setCursorPosX( float posX ) { cursorX_ = posX; }
    void setCursorPosY( float posY ) { cursorY_ = posY; }
    float getCursorPosX() const { return cursorX_; }
    float getCursorPosY() const { return cursorY_; }
 
    MRIOEXTRAS_API Vector2f getPageSize() const;
    MRIOEXTRAS_API Box2f getPageWorkArea() const;
 
    MRIOEXTRAS_API operator bool() const;
 
private:
    struct TextParams;
    // common method for adding different types of text
    void addText_( const std::string& text, const TextParams& params );
 
    struct State;
    std::unique_ptr<State> state_;
 
    std::filesystem::path filename_;
 
    PdfParameters params_;
 
    float cursorX_ = 0;
    float cursorY_ = 0;
 
    bool checkDocument() const;
    void moveCursorToNewLine();
};
 
}
#endif