Dario Sassi
541 lines
18 KiB
C++
541 lines
18 KiB
C++
//----------------------------------------------------------------------------
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// EgalTech 2014-2014
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//----------------------------------------------------------------------------
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// File : FontNfe.cpp Data : 05.06.14 Versione : 1.5f2
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// Contenuto : Implementazione della classe NfeFont (formato font proprietario).
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//
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//
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//
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// Modifiche : 29.05.14 DS Creazione modulo.
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//
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//
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//----------------------------------------------------------------------------
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//--------------------------- Include ----------------------------------------
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#include "stdafx.h"
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#include "FontNfe.h"
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#include "FontAux.h"
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#include "FontConst.h"
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#include "GdbIterator.h"
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#include "/EgtDev/Include/EGkGeomDB.h"
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#include "/EgtDev/Include/EGkCurve.h"
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#include "/EgtDev/Include/EGkCurveAux.h"
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#include "/EgtDev/Include/EGkCurveComposite.h"
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#include "/EgtDev/Include/EGkExtText.h"
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#include "/EgtDev/Include/EGnStringUtils.h"
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#include "/EgtDev/Include/EGnFileUtils.h"
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#include "/EgtDev/Include/EgtStringDecoder.h"
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#include "/EgtDev/Include/EgtStringEncoder.h"
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#include "/EgtDev/Include/EgtPointerOwner.h"
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using namespace std ;
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//----------------------------------------------------------------------------
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const string NFE_H = "H" ;
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const string NFE_HCAP = "HCAP" ;
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const string NFE_HX = "HX" ;
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const string NFE_ASC = "ASC" ;
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const string NFE_DESC = "DESC" ;
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const string NFE_ADV = "ADV" ;
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const string NFE_ITALIC = "ITL" ;
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const double NFE_ITALIC_STD_SHEAR_COEFF = 0.25 ;
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const int NFE_MIN_CHAR = 32 ;
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const int NFE_ERR_CHAR = 127 ;
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const string NFE_LEN_CHAR = "L" ;
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//----------------------------------------------------------------------------
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NfeFont::NfeFont( void)
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{
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m_pGDB = nullptr ;
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}
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//----------------------------------------------------------------------------
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NfeFont::~NfeFont( void)
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{
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if ( m_pGDB != nullptr)
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delete m_pGDB ;
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m_pGDB = nullptr ;
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}
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//----------------------------------------------------------------------------
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bool
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NfeFont::SetCurrFont( const string& sFont, int nWeight, bool bItalic,
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double dHeight, double dRatio, double dAddAdvance)
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{
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string sFontUp = sFont ;
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ToUpper( sFontUp) ;
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// se il font non è già caricato
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if ( m_pGDB == nullptr || m_sFont != sFontUp) {
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// pulisco la path del font
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m_sFont.clear() ;
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// se necessario creo GDB
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if ( m_pGDB == nullptr) {
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m_pGDB = CreateGeomDB() ;
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if ( m_pGDB == nullptr)
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return false ;
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}
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// pulisco e inizializzo GDB
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m_pGDB->Init() ;
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// carico il font
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if ( ! m_pGDB->Load( sFont))
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return false ;
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// recupero i parametri generali del font (devono essere nel gruppo 1)
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GdbIterator iIter( m_pGDB) ;
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if ( ! iIter.GoTo( 1))
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return false ;
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if ( ! iIter.GetInfo( NFE_H, m_dH) ||
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! iIter.GetInfo( NFE_HCAP, m_dHCap) ||
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! iIter.GetInfo( NFE_HX, m_dHx) ||
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! iIter.GetInfo( NFE_ASC, m_dAsc) ||
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! iIter.GetInfo( NFE_DESC, m_dDesc) ||
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! iIter.GetInfo( NFE_ADV, m_dAdv))
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return false ;
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if ( m_dH < EPS_SMALL || m_dHCap < EPS_SMALL || m_dHx < EPS_SMALL)
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return false ;
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if ( ! iIter.GetInfo( NFE_ITALIC, m_dItalicShearCoeff))
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m_dItalicShearCoeff = NFE_ITALIC_STD_SHEAR_COEFF ;
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// aggiorno la path del font
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m_sFont = sFontUp ;
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}
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// salvo i dati
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m_nWeight = nWeight ;
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m_bItalic = bItalic ;
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m_dHeight = max( dHeight, FNT_MIN_HEIGHT) ;
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m_dRatio = dRatio ;
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m_dAddAdvance = dAddAdvance ;
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return true ;
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}
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//----------------------------------------------------------------------------
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bool
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NfeFont::GetCapHeight( double& dCapH) const
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{
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// verifico esistenza font corrente
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if ( m_pGDB == nullptr || m_sFont.empty())
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return false ;
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// uso il fattore di scala per Y = m_dHeight / m_dHCap
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dCapH = m_dHCap * m_dHeight / m_dHCap ;
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return true ;
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}
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//----------------------------------------------------------------------------
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bool
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NfeFont::GetAscent( double& dAsc) const
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{
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// verifico esistenza font corrente
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if ( m_pGDB == nullptr || m_sFont.empty())
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return false ;
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// uso il fattore di scala per Y = m_dHeight / m_dHCap
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dAsc = m_dAsc * m_dHeight / m_dHCap ;
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return true ;
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}
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//----------------------------------------------------------------------------
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bool
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NfeFont::GetDescent( double& dDesc) const
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{
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// verifico esistenza font corrente
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if ( m_pGDB == nullptr || m_sFont.empty())
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return false ;
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// uso il fattore di scala per Y = m_dHeight / m_dHCap
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dDesc = m_dDesc * m_dHeight / m_dHCap ;
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return true ;
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}
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//----------------------------------------------------------------------------
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bool
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NfeFont::GetXBox( const string& sText, int nInsPos, bool bCapOrBound, BBox3d& b3Box) const
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{
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// verifico esistenza font corrente
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if ( m_pGDB == nullptr || m_sFont.empty())
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return false ;
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// calcolo i fattori di scala
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double dScaY = m_dHeight / m_dHCap ;
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double dScaX = dScaY * m_dRatio ;
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// recupero altezza maiuscole, ascent, descent e interlinea
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double dHCap = m_dHeight ;
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double dAscent = m_dAsc * m_dHeight / m_dHCap ;
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double dDescent = m_dDesc * m_dHeight / m_dHCap ;
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double dH = m_dH * m_dHeight / m_dHCap ;
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// converto i byte della stringa in codici carattere
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UINTVECTOR vCode ;
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GetCodePoints( sText, vCode) ;
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// scandisco i codici
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double dCurrW = 0 ;
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double dMaxW = 0 ;
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double dMinH = 0 ;
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for ( unsigned int i = 0 ; i < vCode.size() ; ++ i) {
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// verifico se comando di a capo
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int nLbLen ;
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if ( IsLineBreak( vCode, i, nLbLen)) {
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dCurrW = 0 ;
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dMinH -= dH ;
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i += nLbLen ;
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continue ;
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}
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// gruppo del carattere
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int nGroup = sText[i] ;
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if ( nGroup < NFE_MIN_CHAR || m_pGDB->GetGdbType( nGroup) != GDB_TY_GROUP)
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nGroup = NFE_ERR_CHAR ;
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// recupero lo spostamento per il prossimo carattere
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double dAdvance ;
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if ( ! m_pGDB->GetInfo( nGroup, NFE_LEN_CHAR, dAdvance))
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dAdvance = m_dAdv ;
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dCurrW += dAdvance * dScaX + m_dAddAdvance ;
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if ( dCurrW > dMaxW)
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dMaxW = dCurrW ;
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}
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// punti estremi
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Point3d ptMin( 0, dMinH - ( bCapOrBound ? 0 : dDescent), 0) ;
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Point3d ptMax( dMaxW, ( bCapOrBound ? dHCap : dAscent), 0) ;
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// sistemazioni per la posizione del punto di inserimento
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Vector3d vtIpMove = GetTextInsertPointMove( dMaxW, dHCap, dMinH, nInsPos) ;
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ptMin.Translate( vtIpMove) ;
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ptMax.Translate( vtIpMove) ;
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// assegno l'ingombro
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b3Box.Set( ptMin, ptMax) ;
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return true ;
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}
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//----------------------------------------------------------------------------
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bool
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NfeFont::GetOutline( const string& sText, int nInsPos, ICURVEPLIST& lstPC) const
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{
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// verifico esistenza font corrente
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if ( m_pGDB == nullptr || m_sFont.empty())
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return false ;
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// creo un iteratore
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GdbIterator iIter( m_pGDB) ;
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// calcolo i fattori di scala
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double dScaY = m_dHeight / m_dHCap ;
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double dScaX = dScaY * m_dRatio ;
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double dScaZ = 1 ;
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// recupero altezza maiuscole e interlinea
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double dHCap = m_dHeight ;
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double dH = m_dH * m_dHeight / m_dHCap ;
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// converto i byte della stringa in codici carattere
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UINTVECTOR vCode ;
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GetCodePoints( sText, vCode) ;
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// scandisco i codici
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double dMaxW = 0 ;
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double dMinH = 0 ;
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Vector3d vtMove ;
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for ( unsigned int i = 0 ; i < vCode.size() ; ++ i) {
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// verifico se comando di a capo
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int nLbLen ;
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if ( IsLineBreak( vCode, i, nLbLen)) {
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vtMove.Set( 0, vtMove.y - dH, 0) ;
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if ( vtMove.y < dMinH)
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dMinH = vtMove.y ;
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i += nLbLen ;
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continue ;
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}
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// verifico esistenza del gruppo del carattere
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int nGroup = vCode[i] ;
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if ( nGroup < NFE_MIN_CHAR || m_pGDB->GetGdbType( nGroup) != GDB_TY_GROUP)
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nGroup = NFE_ERR_CHAR ;
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// ciclo sulle entità geometriche del carattere
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bool bIter = iIter.GoToFirstInGroup( nGroup) ;
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while ( bIter) {
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const ICurve* pCrv = GetCurve( iIter.GetGeoObj()) ;
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if ( pCrv != nullptr) {
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// copio la curva (trasformando eventuali archi in CurveBezier)
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ICurve* pCrvNew = CurveToNoArcsCurve( pCrv) ;
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if ( pCrvNew == nullptr)
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return false ;
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// eseguo trasformazioni
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if ( m_bItalic)
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pCrvNew->Shear( ORIG, Y_AX, X_AX, m_dItalicShearCoeff) ;
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pCrvNew->Scale( GLOB_FRM, dScaX, dScaY, dScaZ) ;
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pCrvNew->Translate( vtMove) ;
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// inserisco in lista la nuova curva
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lstPC.push_back( pCrvNew) ;
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}
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bIter = iIter.GoToNext() ;
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}
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// recupero lo spostamento per il prossimo carattere
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double dAdvance ;
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if ( ! m_pGDB->GetInfo( nGroup, NFE_LEN_CHAR, dAdvance))
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dAdvance = m_dAdv ;
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vtMove += Vector3d( ( dAdvance * dScaX + m_dAddAdvance), 0, 0) ;
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if ( vtMove.x > dMaxW)
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dMaxW = vtMove.x ;
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}
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// sistemazioni per la posizione del punto di inserimento
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Vector3d vtIpMove = GetTextInsertPointMove( dMaxW, dHCap, dMinH, nInsPos) ;
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for ( const auto& pCrv : lstPC)
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pCrv->Translate( vtIpMove) ;
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// assegno l'estrusione
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for ( const auto& pCrv : lstPC)
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pCrv->SetExtrusion( Z_AX) ;
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return true ;
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}
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//----------------------------------------------------------------------------
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bool
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NfeFont::ApproxWithLines( const string& sText, int nInsPos, double dLinTol, double dAngTolDeg,
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POLYLINELIST& lstPL) const
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{
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// verifico esistenza font corrente
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if ( m_pGDB == nullptr || m_sFont.empty())
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return false ;
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// creo un iteratore
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GdbIterator iIter( m_pGDB) ;
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// controllo valore tolleranza lineare
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if ( dLinTol > FNT_MAX_LINTOL_TO_H * m_dHeight)
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dLinTol = max( FNT_MAX_LINTOL_TO_H * m_dHeight, EPS_SMALL) ;
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// calcolo i fattori di scala
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double dScaY = m_dHeight / m_dHCap ;
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double dScaX = dScaY * m_dRatio ;
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double dScaZ = 1 ;
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// recupero altezza maiuscole e interlinea
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double dHCap = m_dHeight ;
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double dH = m_dH * m_dHeight / m_dHCap ;
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// converto i byte della stringa in codici carattere
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UINTVECTOR vCode ;
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GetCodePoints( sText, vCode) ;
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// scandisco i codici
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double dMaxW = 0 ;
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double dMinH = 0 ;
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Vector3d vtMove ;
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for ( unsigned int i = 0 ; i < vCode.size() ; ++ i) {
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// verifico se comando di a capo
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int nLbLen ;
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if ( IsLineBreak( vCode, i, nLbLen)) {
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vtMove.Set( 0, vtMove.y - dH, 0) ;
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if ( vtMove.y < dMinH)
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dMinH = vtMove.y ;
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i += nLbLen ;
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continue ;
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}
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// verifico esistenza del gruppo del carattere
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int nGroup = vCode[i] ;
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if ( nGroup < NFE_MIN_CHAR || m_pGDB->GetGdbType( nGroup) != GDB_TY_GROUP)
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nGroup = NFE_ERR_CHAR ;
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// ciclo sulle entità geometriche del carattere
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bool bIter = iIter.GoToFirstInGroup( nGroup) ;
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while ( bIter) {
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const ICurve* pCrv = GetCurve( iIter.GetGeoObj()) ;
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if ( pCrv != nullptr) {
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// copia temporanea della curva (trasformando eventuali archi in CurveBezier)
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PtrOwner<ICurve> pCrvNew( CurveToNoArcsCurve( pCrv)) ;
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if ( IsNull( pCrvNew))
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return false ;
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// eseguo trasformazioni
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if ( m_bItalic)
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pCrvNew->Shear( ORIG, Y_AX, X_AX, m_dItalicShearCoeff) ;
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pCrvNew->Scale( GLOB_FRM, dScaX, dScaY, dScaZ) ;
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pCrvNew->Translate( vtMove) ;
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// approssimo con linee
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lstPL.emplace_back() ;
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pCrvNew->ApproxWithLines( dLinTol, dAngTolDeg, ICurve::APL_STD, lstPL.back()) ;
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}
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bIter = iIter.GoToNext() ;
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}
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// recupero lo spostamento per il prossimo carattere
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double dAdvance ;
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if ( ! m_pGDB->GetInfo( nGroup, NFE_LEN_CHAR, dAdvance))
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dAdvance = m_dAdv ;
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vtMove += Vector3d( ( dAdvance * dScaX + m_dAddAdvance), 0, 0) ;
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if ( vtMove.x > dMaxW)
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dMaxW = vtMove.x ;
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}
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// sistemazioni per la posizione del punto di inserimento
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Vector3d vtIpMove = GetTextInsertPointMove( dMaxW, dHCap, dMinH, nInsPos) ;
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for ( auto& PL : lstPL)
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PL.Translate( vtIpMove) ;
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return true ;
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}
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//----------------------------------------------------------------------------
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bool
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NfeFont::ApproxWithArcs( const string& sText, int nInsPos, double dLinTol, double dAngTolDeg,
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POLYARCLIST& lstPA) const
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{
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// verifico esistenza font corrente
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if ( m_pGDB == nullptr || m_sFont.empty())
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return false ;
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// creo un iteratore
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GdbIterator iIter( m_pGDB) ;
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// controllo valore tolleranza lineare
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if ( dLinTol > FNT_MAX_LINTOL_TO_H * m_dHeight)
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dLinTol = max( FNT_MAX_LINTOL_TO_H * m_dHeight, EPS_SMALL) ;
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// calcolo i fattori di scala
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double dScaY = m_dHeight / m_dHCap ;
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double dScaX = dScaY * m_dRatio ;
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double dScaZ = 1 ;
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// recupero altezza maiuscole e interlinea
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double dHCap = m_dHeight ;
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double dH = m_dH * m_dHeight / m_dHCap ;
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// converto i byte della stringa in codici carattere
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UINTVECTOR vCode ;
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GetCodePoints( sText, vCode) ;
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// scandisco i codici
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double dMaxW = 0 ;
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double dMinH = 0 ;
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Vector3d vtMove ;
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for ( unsigned int i = 0 ; i < vCode.size() ; ++ i) {
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// verifico se comando di a capo
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int nLbLen ;
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if ( IsLineBreak( vCode, i, nLbLen)) {
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vtMove.Set( 0, vtMove.y - dH, 0) ;
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if ( vtMove.y < dMinH)
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dMinH = vtMove.y ;
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i += nLbLen ;
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continue ;
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}
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// verifico esistenza del gruppo del carattere
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int nGroup = vCode[i] ;
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if ( nGroup < NFE_MIN_CHAR || m_pGDB->GetGdbType( nGroup) != GDB_TY_GROUP)
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nGroup = NFE_ERR_CHAR ;
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// ciclo sulle entità geometriche del carattere
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bool bIter = iIter.GoToFirstInGroup( nGroup) ;
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while ( bIter) {
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const ICurve* pCrv = GetCurve( iIter.GetGeoObj()) ;
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if ( pCrv != nullptr) {
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// copia temporanea della curva (trasformando eventuali archi in CurveBezier)
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PtrOwner<ICurve> pCrvNew( CurveToNoArcsCurve( pCrv)) ;
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if ( IsNull( pCrvNew))
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return false ;
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// eseguo trasformazioni
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if ( m_bItalic)
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pCrvNew->Shear( ORIG, Y_AX, X_AX, m_dItalicShearCoeff) ;
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pCrvNew->Scale( GLOB_FRM, dScaX, dScaY, dScaZ) ;
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pCrvNew->Translate( vtMove) ;
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// approssimo con archi
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lstPA.emplace_back() ;
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pCrv->ApproxWithArcs( dLinTol, dAngTolDeg, lstPA.back()) ;
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}
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bIter = iIter.GoToNext() ;
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}
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// recupero lo spostamento per il prossimo carattere
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double dAdvance ;
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if ( ! m_pGDB->GetInfo( nGroup, NFE_LEN_CHAR, dAdvance))
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dAdvance = m_dAdv ;
|
|
vtMove += Vector3d( ( dAdvance * dScaX + m_dAddAdvance), 0, 0) ;
|
|
if ( vtMove.x > dMaxW)
|
|
dMaxW = vtMove.x ;
|
|
}
|
|
|
|
// sistemazioni per la posizione del punto di inserimento
|
|
Vector3d vtIpMove = GetTextInsertPointMove( dMaxW, dHCap, dMinH, nInsPos) ;
|
|
for ( auto& PA : lstPA)
|
|
PA.Translate( vtIpMove) ;
|
|
|
|
return true ;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
bool
|
|
NfeFont::GetTextLines( const string& sText, int nInsPos, PNTVECTOR& vPt, STRVECTOR& vLine) const
|
|
{
|
|
// verifico esistenza font corrente
|
|
if ( m_pGDB == nullptr || m_sFont.empty())
|
|
return false ;
|
|
|
|
// calcolo i fattori di scala
|
|
double dScaY = m_dHeight / m_dHCap ;
|
|
double dScaX = dScaY * m_dRatio ;
|
|
|
|
// recupero altezza maiuscole e interlinea
|
|
double dHCap = m_dHeight ;
|
|
double dH = m_dH * m_dHeight / m_dHCap ;
|
|
|
|
// converto i byte della stringa in codici carattere
|
|
UINTVECTOR vCode ;
|
|
GetCodePoints( sText, vCode) ;
|
|
|
|
// scandisco i codici
|
|
double dMaxW = 0 ;
|
|
double dMinH = 0 ;
|
|
Vector3d vtMove ;
|
|
UINTVECTOR vTmpCode ;
|
|
for ( unsigned int i = 0 ; i < vCode.size() ; ++ i) {
|
|
// verifico se comando di a capo
|
|
int nLbLen ;
|
|
if ( IsLineBreak( vCode, i, nLbLen)) {
|
|
// salvo la linea, se contiene qualcosa
|
|
if ( ! vTmpCode.empty()) {
|
|
string sLine ;
|
|
SetCodePoints( vTmpCode, sLine) ;
|
|
vLine.push_back( sLine) ;
|
|
vTmpCode.clear() ;
|
|
vPt.emplace_back( 0, vtMove.y, 0) ;
|
|
}
|
|
// sistemo la posizione
|
|
vtMove.Set( 0, vtMove.y - dH, 0) ;
|
|
if ( vtMove.y < dMinH)
|
|
dMinH = vtMove.y ;
|
|
// passo oltre
|
|
i += nLbLen ;
|
|
continue ;
|
|
}
|
|
// salvo il codice
|
|
vTmpCode.push_back( vCode[i]) ;
|
|
// verifico esistenza del gruppo del carattere
|
|
int nGroup = vCode[i] ;
|
|
if ( nGroup < NFE_MIN_CHAR || m_pGDB->GetGdbType( nGroup) != GDB_TY_GROUP)
|
|
nGroup = NFE_ERR_CHAR ;
|
|
// recupero lo spostamento per il prossimo carattere
|
|
double dAdvance ;
|
|
if ( ! m_pGDB->GetInfo( nGroup, NFE_LEN_CHAR, dAdvance))
|
|
dAdvance = m_dAdv ;
|
|
vtMove += Vector3d( ( dAdvance * dScaX + m_dAddAdvance), 0, 0) ;
|
|
if ( vtMove.x > dMaxW)
|
|
dMaxW = vtMove.x ;
|
|
}
|
|
// salvo eventuale ultima linea
|
|
if ( ! vTmpCode.empty()) {
|
|
string sLine ;
|
|
SetCodePoints( vTmpCode, sLine) ;
|
|
vLine.push_back( sLine) ;
|
|
vTmpCode.clear() ;
|
|
vPt.emplace_back( 0, vtMove.y, 0) ;
|
|
}
|
|
|
|
// sistemazioni per la posizione del punto di inserimento
|
|
Vector3d vtIpMove = GetTextInsertPointMove( dMaxW, dHCap, dMinH, nInsPos) ;
|
|
for ( auto& Pt : vPt)
|
|
Pt.Translate( vtIpMove) ;
|
|
|
|
return true ;
|
|
}
|