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Diffstat (limited to 'src/devices/xditview/DviP.h')
| -rw-r--r-- | src/devices/xditview/DviP.h | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/src/devices/xditview/DviP.h b/src/devices/xditview/DviP.h new file mode 100644 index 00000000..00f32c81 --- /dev/null +++ b/src/devices/xditview/DviP.h @@ -0,0 +1,233 @@ +/* + * $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)(Widget, FILE *); + +/* + * 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; + +int DviGetAndPut(DviWidget, int *); +#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) + +XFontStruct *QueryFont (DviWidget, int, int); + +DviCharNameMap *QueryFontMap (DviWidget, int); + +DeviceFont *QueryDeviceFont (DviWidget, int); + +char *GetWord(DviWidget, char *, int); +char *GetLine(DviWidget, char *, int); +#endif /* _XtDviP_h */ |