gecko-dev/include/xlate.h

201 lines
6.4 KiB
C

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
/*
** External points of interest for the translation library
*/
#ifndef XLATE_H
#define XLATE_H
#define N_FONTS 8
typedef void (*XL_CompletionRoutine)(PrintSetup*);
typedef void* XL_TextTranslation;
typedef void* XL_PostscriptTranslation;
typedef struct {
short llx, lly, urx, ury;
} PS_BBox;
typedef struct {
short wx, wy;
PS_BBox charBBox;
} PS_CharInfo;
typedef struct {
char *name;
PS_BBox fontBBox;
short upos, uthick;
PS_CharInfo chars[256];
} PS_FontInfo;
XP_BEGIN_PROTOS
extern void XL_InitializePrintSetup(PrintSetup *p);
extern void XL_InitializeTextSetup(PrintSetup *p);
extern void XL_TranslatePostscript(MWContext*, URL_Struct *u,
SHIST_SavedData *sd, PrintSetup*p);
extern XL_TextTranslation
XL_TranslateText(MWContext *, URL_Struct *u, PrintSetup*p);
extern void XL_GetTextImage(LO_ImageStruct *image);
extern void
XL_DisplayTextImage(MWContext *cx, int iLocation, LO_ImageStruct *img);
extern XP_Bool XP_CheckElementSpan(MWContext*, int top, int height);
extern void XP_InitializePrintInfo(MWContext *);
extern void XP_CleanupPrintInfo(MWContext *);
extern void XP_DrawForPrint(MWContext *, int );
extern void XP_LayoutForPrint(MWContext *cx, int32 doc_height);
extern void XP_ParseAFMFile(FILE *fp, PS_FontInfo** fi);
XP_END_PROTOS
typedef struct LineRecord_struct LineRecord;
/*
** PAGE coordinates are 720/inch, layout happens in this space
** POINT coordinates are 72/inch, the printer wants these
*/
#define INCH_TO_PAGE(f) ((int) (.5 + (f)*720))
#define PAGE_TO_POINT_I(f) ((int) ((f) / 10.0))
#define PAGE_TO_POINT_F(f) ((f) / 10.0)
#define POINT_TO_PAGE(p) ((p)*10)
/*
** Used to pass info into text and/or postscript translation
*/
struct PrintSetup_ {
int top; /* Margins (PostScript Only) */
int bottom;
int left;
int right;
int width; /* Paper size, # of cols for text xlate */
int height;
char* header;
char* footer;
int *sizes;
XP_Bool reverse; /* Output order */
XP_Bool color; /* Image output */
XP_Bool deep_color; /* 24 bit color output */
XP_Bool landscape; /* Rotated output */
XP_Bool underline; /* underline links */
XP_Bool scale_images; /* Scale unsized images which are too big */
XP_Bool scale_pre; /* do the pre-scaling thing */
float dpi; /* dpi for externally sized items */
float rules; /* Scale factor for rulers */
int n_up; /* cool page combining */
int bigger; /* Used to init sizes if sizesin NULL */
int paper_size; /* Paper Size(letter,legal,exec,a4) */
char* prefix; /* For text xlate, prepended to each line */
char* eol; /* For text translation, line terminator */
char* bullet; /* What char to use for bullets */
struct URL_Struct_ *url; /* url of doc being translated */
XP_File out; /* Where to send the output */
char *filename; /* output file name, if any */
XL_CompletionRoutine completion; /* Called when translation finished */
void* carg; /* Data saved for completion routine */
int status; /* Status of URL on completion */
/* "other" font is for encodings other than iso-8859-1 */
char *otherFontName[N_FONTS];
/* name of "other" PostScript font */
PS_FontInfo *otherFontInfo[N_FONTS];
/* font info parsed from "other" afm file */
int16 otherFontCharSetID; /* charset ID of "other" font */
MWContext *cx; /* original context, if available */
};
#define XL_LOADING_PHASE 1
#define XL_LAYOUT_PHASE 2
#define XL_DRAW_PHASE 3
typedef struct page_breaks {
int32 y_top;
int32 y_break;
} PageBreaks;
/*
** Used to store state needed while translation is in progress
*/
struct PrintInfo_ {
/*
** BEGIN SPECIAL
** If using the table print code, the following fields must
** be properly set up.
*/
int32 page_height; /* Size of printable area on page */
int32 page_width; /* Size of printable area on page */
int32 page_break; /* Current page bottom */
int32 page_topy; /* Current page top */
int phase;
/*
** CONTINUE SPECIAL
** The table print code maintains these
*/
PageBreaks *pages; /* Contains extents of each page */
int pt_size; /* Size of above table */
int n_pages; /* # of valid entries in above table */
/*
** END SPECIAL
*/
/*
** AAAOOOGAH
**
** These are used to cache values from the originating context's
** function table
*/
void (*scnatt)(MWContext*); /* SetCallNetlibAllTheTime */
void (*ccnatt)(MWContext*); /* CLearCallNetlibAllTheTime */
char* doc_title; /* best guess at title */
int32 doc_width; /* Total document width */
int32 doc_height; /* Total document height */
#ifdef LATER
float scale; /* for shrinking pre areas */
int32 pre_start; /* First y of current pre section */
int32 pre_end; /* Last y of current pre section */
XP_List *interesting; /* List of pre's about which I care */
XP_Bool in_pre; /* True when inside a <pre> section */
#endif
/*
** These fields are used only by the text translator
*/
char *line; /* Pointer to data for the current line */
XP_Bool in_table; /* True when caching lines in a table */
XP_Bool first_line_p; /* true when the first line has not yet been
output - this is a kludge for the mail
citation code. */
int table_top, /* Size of the table being cached */
table_bottom;
LineRecord *saved_lines; /* cached lines for tables */
int last_y; /* Used to track blank lines */
};
#endif /* XLATE_H */