IJustificationStyle.h

//========================================================================================
// 
// $File$
// 
// Owner: eric_menninga
// 
// $Author$
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// $DateTime$
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// Copyright 1997-2010 Adobe Systems Incorporated. All rights reserved.
// 
// NOTICE: Adobe permits you to use, modify, and distribute this file in accordance 
// with the terms of the Adobe license agreement accompanying it. If you have received
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#ifndef __IJustificationStyle__
#define __IJustificationStyle__


#include "IPMUnknown.h"
#include "IWaxLine.h"
#include "TextID.h"


class IJustificationStyle : public IPMUnknown
{
 public:
 enum { kDefaultIID = IID_IJUSTIFICATIONSTYLE };

 enum JustificationMethod {
 kJustifMethodDefault = 0,
 kJustifMethodArabic,
 kJustifMethodNaskh,
 kJustifMethodTraditionalNaskhTatweel,
 kJustifMethodTraditionalNaskhKashida,
 kJustifMethodTraditionalNaskhTatweelFrac,
 kJustifMethodTraditionalNaskhKashidaFrac
 };


 virtual void SetKernAfter(PMReal kern) = 0;

 virtual PMReal GetKernAfter() const = 0;

 virtual JustificationMethod GetJustificationMethod() const = 0;
 virtual void SetJustificationMethod(JustificationMethod justMethod) = 0;

 virtual PMReal GetAlteredWordspace() const = 0;

 virtual PMReal GetAlteredLetterspace(bool16 isVertical) const = 0;

 virtual void SetMinWordspace(PMReal min) = 0;

 virtual void SetMaxWordspace(PMReal max) = 0;

 virtual void SetDesiredWordspace(PMReal desired) = 0;

 virtual void SetMinLetterspace(PMReal min) = 0;

 virtual void SetMaxLetterspace(PMReal max) = 0;

 virtual void SetDesiredLetterspace(PMReal desired) = 0;

 virtual void SetMinGlyphscale(PMReal min) = 0;

 virtual void SetMaxGlyphscale(PMReal max) = 0;

 virtual void SetDesiredGlyphscale(PMReal desired) = 0;

 virtual void GetWordspace(PMReal *min, PMReal *des, PMReal *max) const = 0;
 virtual void GetLetterspace(PMReal *min, PMReal *des, PMReal *max) const = 0;
 virtual void GetGlyphscale(PMReal *min, PMReal *des, PMReal *max) const = 0;

 // unused at this time
 virtual bool16 GetAutoQuadding() const = 0;
 virtual void SetAutoQuadding(bool16 b) = 0;

 virtual void SetLigaturesBreakBelow(PMReal below) = 0;
 virtual void SetLigaturesBreakAbove(PMReal above) = 0;

 virtual PMReal GetLigaturesBreakBelow() const = 0;
 virtual PMReal GetLigaturesBreakAbove() const = 0;

 virtual bool16 LigaturesAllowed(bool16 isVertical) const = 0;

 virtual double GetLastLineLengthPenalty(double width, double target) const = 0;

 virtual double GetLineConsistencyPenalty(IWaxLine::LineTightness prevLine,
 IWaxLine::LineTightness thisLine,
 double capheight) const = 0;

 virtual PMReal GetKashidaWidth() const = 0;
 virtual void SetKashidaWidth(PMReal width) = 0;

};

#endif
 // __IJustificationStyle__