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/*
* $XConsortium: DviP.h,v 1.5 89/07/22 19:44:08 keith Exp $
*/
/*
* DviP.h - Private definitions for Dvi widget
*/
#ifndef _XtDviP_h
#define _XtDviP_h
#include "Dvi.h"
#include "DviChar.h"
#include "device.h"
/***********************************************************************
*
* Dvi Widget Private Data
*
***********************************************************************/
/************************************
*
* Class structure
*
***********************************/
/* Type for save method. */
typedef void (*DviSaveProc)();
/*
* New fields for the Dvi widget class record
*/
typedef struct _DviClass {
DviSaveProc save;
} DviClassPart;
/*
* Full class record declaration
*/
typedef struct _DviClassRec {
CoreClassPart core_class;
DviClassPart command_class;
} DviClassRec;
extern DviClassRec dviClassRec;
/***************************************
*
* Instance (widget) structure
*
**************************************/
/*
* a list of fonts we've used for this widget
*/
typedef struct _dviFontSizeList {
struct _dviFontSizeList *next;
int size;
char *x_name;
XFontStruct *font;
int doesnt_exist;
} DviFontSizeList;
typedef struct _dviFontList {
struct _dviFontList *next;
char *dvi_name;
char *x_name;
int dvi_number;
Boolean initialized;
Boolean scalable;
DviFontSizeList *sizes;
DviCharNameMap *char_map;
DeviceFont *device_font;
} DviFontList;
typedef struct _dviFontMap {
struct _dviFontMap *next;
char *dvi_name;
char *x_name;
} DviFontMap;
#define DVI_TEXT_CACHE_SIZE 256
#define DVI_CHAR_CACHE_SIZE 1024
typedef struct _dviCharCache {
XTextItem cache[DVI_TEXT_CACHE_SIZE];
char adjustable[DVI_TEXT_CACHE_SIZE];
char char_cache[DVI_CHAR_CACHE_SIZE];
int index;
int max;
int char_index;
int font_size;
int font_number;
XFontStruct *font;
int start_x, start_y;
int x, y;
} DviCharCache;
typedef struct _dviState {
struct _dviState *next;
int font_size;
int font_number;
int x;
int y;
} DviState;
typedef struct _dviFileMap {
struct _dviFileMap *next;
long position;
int page_number;
} DviFileMap;
/*
* New fields for the Dvi widget record
*/
typedef struct {
/*
* resource specifiable items
*/
char *font_map_string;
unsigned long foreground;
unsigned long background;
int requested_page;
int last_page;
XFontStruct *default_font;
FILE *file;
Boolean noPolyText;
Boolean seek; /* file is "seekable" */
int default_resolution;
/*
* private state
*/
FILE *tmpFile; /* used when reading stdin */
char readingTmp; /* reading now from tmp */
char ungot; /* have ungetc'd a char */
GC normal_GC;
GC fill_GC;
DviFileMap *file_map;
DviFontList *fonts;
DviFontMap *font_map;
int current_page;
int font_size;
int font_number;
DeviceFont *device_font;
int device_font_number;
Device *device;
int native;
int device_resolution;
int display_resolution;
int paperlength;
int paperwidth;
double scale_factor; /* display res / device res */
int sizescale;
int line_thickness;
int line_width;
#define DVI_FILL_MAX 1000
int fill;
#define DVI_FILL_WHITE 0
#define DVI_FILL_GRAY 1
#define DVI_FILL_BLACK 2
int fill_type;
Pixmap gray[8];
int backing_store;
XFontStruct *font;
int display_enable;
struct ExposedExtents {
int x1, y1, x2, y2;
} extents;
DviState *state;
DviCharCache cache;
int text_x_width;
int text_device_width;
int word_flag;
} DviPart;
#define DviGetIn(dw,cp)\
(dw->dvi.tmpFile ? (\
DviGetAndPut (dw, cp) \
) :\
(*cp = getc (dw->dvi.file))\
)
#define DviGetC(dw, cp)\
(dw->dvi.readingTmp ? (\
((*cp = getc (dw->dvi.tmpFile)) == EOF) ? (\
fseek (dw->dvi.tmpFile, 0l, 2),\
(dw->dvi.readingTmp = 0),\
DviGetIn (dw,cp)\
) : (\
*cp\
)\
) : (\
DviGetIn(dw,cp)\
)\
)
#define DviUngetC(dw, c)\
(dw->dvi.readingTmp ? (\
ungetc (c, dw->dvi.tmpFile)\
) : ( \
(dw->dvi.ungot = 1),\
ungetc (c, dw->dvi.file)))
/*
* Full widget declaration
*/
typedef struct _DviRec {
CorePart core;
DviPart dvi;
} DviRec;
#define InheritSaveToFile ((DviSaveProc)_XtInherit)
extern XFontStruct *QueryFont ();
extern DviCharNameMap *QueryFontMap ();
extern DeviceFont *QueryDeviceFont ();
extern char *GetWord(), *GetLine();
#endif /* _XtDviP_h */
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