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# ifndef APP_DRAW_H
# define APP_DRAW_H
# include <X11/Intrinsic.h>
# include <appGeo.h>
# include <docFont.h>
# include <psFont.h>
/************************************************************************/
/* */
/* An attempt to consistently use the same formula to convert from */
/* twips to pixels. */
/* */
/************************************************************************/
# define TWIPStoPIXELS(xmag,t) ((xmag)*(t))
# define PIXELStoTWIPS(p,xmag) ((p)/(xmag))
/************************************************************************/
/* */
/* For the administration of the relation between PostScript fonts and */
/* X11 fonts. */
/* */
/************************************************************************/
typedef struct AppPhysicalFont
{
TextAttribute apfAttribute;
int apfDocFamilyNumber;
int apfPsFamilyNumber;
int apfPsFaceNumber;
XFontStruct * apfFontStruct;
XFontSet apfFontSet;
unsigned long apfUnderLinePositionPixels;
unsigned long apfUnderlineThicknessPixels;
int apfAscentPixels;
int apfDescentPixels;
int apfFullSizePixels;
} AppPhysicalFont;
typedef struct AppPhysicalFontList
{
const char * apflAfmDirectory;
int apflCount;
AppPhysicalFont * apflFonts;
} AppPhysicalFontList;
typedef struct AppDrawingData
{
DocumentRectangle addBackRect;
DocumentRectangle addPaperRect;
DocumentRectangle addDocRect;
int sgTabInterval;
double sgMagnification;
double addMagnifiedPixelsPerTwip;
char * addAfmDirectory;
Display * addDisplay;
AppPhysicalFontList addPhysicalFontList;
} AppDrawingData;
/************************************************************************/
/* */
/* Procedure declarations. */
/* */
/************************************************************************/
extern void appCollectExposures( DocumentRectangle * drClip,
int ox,
int oy,
Display * display,
Window win,
GC gc,
XEvent * event );
extern void appInitDrawingData( AppDrawingData * add );
extern void appCleanDrawingData( AppDrawingData * add );
extern void appInitFontList( AppPhysicalFontList * apfl );
extern void appCleanFontList( Display * display,
AppPhysicalFontList * apfl );
extern void appEnableFontsTool( void * voidafc,
int enabled );
extern void appShowFontsTool( void * voidefc );
extern int appFontCatalog( Display * display,
AppFontFamily ** pFamilies,
int * pCount );
extern void appFontFormatCurrent( char * target,
AppFontFamily * aff,
AppFontTypeface * aft,
int size );
extern int appOpenDocumentFont( AppDrawingData * add,
DocumentFontList * dfl,
TextAttribute ta );
extern int appFontSetCurrentFont( void * voidefc,
int fontFamilyNumber,
unsigned int updMask,
TextAttribute taNew );
extern void appFontAttributeString( char * target,
const char * familyName,
unsigned int updMask,
TextAttribute taNew );
extern int appGetPsFont( int * pFamily,
int * pFace,
AppFontFamily ** pAff,
AppFontTypeface ** pAft,
const char * afmDirectory,
const DocumentFont * df,
TextAttribute ta );
# endif /* }} */
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