pdfstructs.h

//
//  pdfstruct.h
//  Scribus
//
//  Created by Andreas Vox on 25.12.14.
//
//

#ifndef Scribus_pdfstructs_h
#define Scribus_pdfstructs_h

#include<QByteArray>
#include<QList>
#include<QMap>
#include<QRect>
#include<QString>

class PageItem;

typedef uint PdfId;

namespace Pdf {
    typedef QMap<QByteArray, PdfId> ResourceMap;
    
    struct Resource
    {
        QByteArray ResName;
        PdfId ResNum;
    };

    struct ResourceDictionary
    {
        ResourceMap XObject;
        ResourceMap Font;
        ResourceMap Shading;
        ResourceMap Pattern;
        ResourceMap ExtGState;
        ResourceMap Properties;
        QList<Resource> ColorSpace;
    };
    
}



struct PdfDest
{
    QString Name;
    int PageNr;
    QString Act;
};


struct PdfCatalog
{
    PdfId Outlines;
    PdfId PageTree;
    PdfId Dest;
};


struct PdfPageTree
{
    QMap<int, int> Kids;
    int Count;
};


struct PdfPageData
{
    PdfId ObjNum;
    int Thumb;
    Pdf::ResourceMap XObjects;
    Pdf::ResourceMap ImgObjects;
    Pdf::ResourceMap FObjects;
    QList<PdfId> AObjects;
    QList<PdfId> FormObjects;
    QList<PageItem*> radioButtonList;
};


struct PdfOutlines
{
    PdfId First;
    PdfId Last;
    PdfId Count;
};


struct PdfBead
{
    PdfId Parent;
    PdfId Next;
    PdfId Prev;
    int Page;
    QRect Rect;
};

struct PdfICCD : public Pdf::Resource
{
    int components;
    QByteArray ICCArray;
};


struct PdfOCGInfo
{
    PdfId ObjNum;
    bool visible;
    QByteArray Name;
};


enum FontMethod {
    Use_System = 0,
    Use_Embedded = 1,
    Use_Subset = 2,
    Use_Type3 = 3,
    Use_XForm = 4
};


enum FontEncoding {
    Encode_256 = 256,
    Encode_224 = 224,
    Encode_IdentityH = 1,
    Encode_Subset = 0
};


enum FontUsage {
    Used_in_Content = 16,
    Used_in_Forms = 32
};



/*
 
  QByteArray fontFile   : ttf
  QByteArray pdfName    : psname w/o special chars
  FaceEncoding encoding : document gid -> unicode / name
  QMap<uint,uint> gmap  : document gid -> font gid
  {t1, t1c, ttf} x {sfnt, ps} x {plain, ttfc, cff, fond, zip}
 
  = Encoding, data, method
  * IdentityH, ttf / cff cid,   xxxx Tj
  * IdentityH, subset ttf cid,  gmap[xxxx] Tj
  * enc224, type3 outlines,     /Foyy Tf xx Tj
  * enc256, xform outlines,     /objyyxx Do
  * enc224, pfa/pfb/t42,        /Foyy Tf xx Tj
  * stdenc, -/-                 cc Tj
 
  face -> contours, metrics, cmap, font descriptor, rawdata
 */
struct PdfFont {
    QByteArray name;
    FontMethod method;
    FontEncoding encoding;
    FontUsage usage;
    QMap<uint,uint> glyphmap;
};


struct PdfSpotC : public Pdf::Resource
{
    // no additional data
};


//struct PdfGraphicsData
//{
//    PdfId ResNumG;
//    PdfId ResNumX;
//    QString ResNamG;
//    QString ResNamX;
//    QString data;
//};


#endif