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gecko-dev/cmd/xfe/fonts.h

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Free the lizard
1998-03-28 02:44:41 +00:00
/* -*- Mode: C; tab-width: 8; 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.
*/
/*
fonts.h --- fonts, font selector, and related stuff
Created: Erik van der Poel <erik@netscape.com>, 6-Oct-95.
*/
#ifndef __xfe_fonts_h_
#define __xfe_fonts_h_
#ifdef __cplusplus
extern "C" {
#endif
#include "xp_core.h"
#include <lo_ele.h>
#include <X11/Xlib.h>
XP_BEGIN_PROTOS
/*
* defines
*/
#define FE_FONT_TYPE_X8 0x1
#define FE_FONT_TYPE_X16 0x2
#define FE_FONT_TYPE_GROUP 0x4
#ifndef NO_WEB_FONTS
#define FE_FONT_TYPE_RENDERABLE 0x8
#endif
/* the following are macros so that we avoid the overhead of function calls */
#ifndef NO_WEB_FONTS
#define FE_TEXT_EXTENTS(charset, font, string, len, fontAscent, fontDescent, \
overall) \
do \
{ \
int direction; \
fe_Font platform_font; \
int font_type; \
\
platform_font = ((fe_FontWrap *) font)->platform_font; \
font_type = ((fe_FontWrap *) font)->distinguisher; \
\
if (FE_FONT_TYPE_X8 == font_type) \
{ \
XTextExtents(((XFontStruct *) platform_font), \
(string), (len), &direction, \
(fontAscent), (fontDescent), (overall)); \
} \
else if (FE_FONT_TYPE_X16 == font_type) \
{ \
XTextExtents16(((XFontStruct *) platform_font), \
(XChar2b *) (string), (len)/2, &direction, \
(fontAscent), (fontDescent), (overall)); \
} \
else if (FE_FONT_TYPE_GROUP == font_type) \
{ \
(*fe_CharSetFuncsArray[fe_CharSetInfoArray[(charset) & 0xff]. \
info].textExtents)(platform_font, (string), (len), \
&direction, (fontAscent), (fontDescent), (overall)); \
} \
else \
{ \
(overall)->width = nfrf_MeasureText(((struct nfrf *) \
platform_font), NULL, 0, string, len, NULL, 0, NULL); \
*(fontAscent) = \
nfrf_GetFontAscent(((struct nfrf *) platform_font), NULL); \
*(fontDescent) = \
nfrf_GetFontDescent(((struct nfrf *) platform_font), NULL); \
(overall)->rbearing = (overall)->width; \
(overall)->lbearing = 0; \
(overall)->ascent = *(fontAscent); \
(overall)->descent = *(fontDescent); \
} \
} while (0)
#else
#define FE_TEXT_EXTENTS(charset, font, string, len, fontAscent, fontDescent, \
overall) \
do \
{ \
int direction; \
int type; \
\
type = fe_CharSetInfoArray[(charset) & 0xff].type; \
\
if (type == FE_FONT_TYPE_X8) \
{ \
XTextExtents((font), (string), (len), &direction, \
(fontAscent), (fontDescent), (overall)); \
} \
else if (type == FE_FONT_TYPE_X16) \
{ \
XTextExtents16((font), (XChar2b *) (string), (len)/2, \
&direction, (fontAscent), (fontDescent), (overall)); \
} \
else \
{ \
(*fe_CharSetFuncsArray[fe_CharSetInfoArray[(charset) & 0xff]. \
info].textExtents)((font), (string), (len), \
&direction, (fontAscent), (fontDescent), (overall)); \
} \
} while (0)
#endif
#ifndef NO_WEB_FONTS
#define FE_FONT_EXTENTS(charset, font, fontAscent, fontDescent) \
do \
{ \
fe_Font platform_font; \
int font_type; \
\
platform_font = ((fe_FontWrap *) font)->platform_font; \
font_type = ((fe_FontWrap *) font)->distinguisher; \
\
if ((FE_FONT_TYPE_X8 == font_type) || (FE_FONT_TYPE_X16 == font_type))\
{ \
*(fontAscent) = ((XFontStruct *) platform_font)->ascent; \
*(fontDescent) = ((XFontStruct *) platform_font)->descent; \
} \
else if (FE_FONT_TYPE_GROUP == font_type) \
{ \
fe_GenericFontExtents(charset, platform_font, \
(fontAscent), (fontDescent)); \
} \
else \
{ \
*(fontAscent) = \
nfrf_GetFontAscent(((struct nfrf *) platform_font), \
NULL); \
*(fontDescent) = \
nfrf_GetFontDescent(((struct nfrf *) platform_font), \
NULL); \
} \
} while (0)
#else
#define FE_FONT_EXTENTS(charset, font, fontAscent, fontDescent) \
do \
{ \
fe_CharSetInfo *info; \
\
info = &fe_CharSetInfoArray[(charset) & 0xff]; \
\
if (info->type == FE_FONT_TYPE_GROUP) \
{ \
fe_GenericFontExtents(charset, (font), \
(fontAscent), (fontDescent)); \
} \
else \
{ \
*(fontAscent) = ((XFontStruct *) (font))->ascent; \
*(fontDescent) = ((XFontStruct *) (font))->descent; \
} \
} while (0)
#endif
#ifndef NO_WEB_FONTS
#define FE_DRAW_STRING(charset, dpy, d, font, gc, x, y, string, len) \
do \
{ \
int font_type; \
fe_Font platform_font; \
\
font_type = ((fe_FontWrap *) font)->distinguisher; \
platform_font = ((fe_FontWrap *) font)->platform_font; \
\
if (FE_FONT_TYPE_X8 == font_type) \
{ \
XDrawString((dpy), (d), (gc), (x), (y), (string), \
(len)); \
} \
else if (FE_FONT_TYPE_X16 == font_type) \
{ \
XDrawString16((dpy), (d), (gc), (x), (y), \
(XChar2b *) (string), (len)/2); \
} \
else if (FE_FONT_TYPE_GROUP == font_type) \
{ \
(*fe_CharSetFuncsArray[fe_CharSetInfoArray[(charset) & 0xff]. \
info].drawString)((dpy), (d), platform_font, \
(gc), (x), (y), (string), (len)); \
} \
else \
{ \
struct nfrc * rc; \
void * rcbuf[4]; \
\
rcbuf[0] = (dpy); \
rcbuf[1] = (void *) (d); \
rcbuf[2] = (gc); \
rc = nffbu_CreateRenderingContext(fe_FontUtility, \
NF_RC_DIRECT, 0, rcbuf, 3, \
NULL); \
(void) nfrf_DrawText(((struct nfrf *) platform_font), rc, \
(x), (y), 0, (string), (len), NULL); \
nfrc_release(rc, NULL); \
} \
} while (0)
#else
#define FE_DRAW_STRING(charset, dpy, d, font, gc, x, y, string, len) \
do \
{ \
int type; \
\
type = fe_CharSetInfoArray[(charset) & 0xff].type; \
\
if (type == FE_FONT_TYPE_X8) \
{ \
XDrawString((dpy), (d), (gc), (x), (y), (string), \
(len)); \
} \
else if (type == FE_FONT_TYPE_X16) \
{ \
XDrawString16((dpy), (d), (gc), (x), (y), \
(XChar2b *) (string), (len)/2); \
} \
else \
{ \
(*fe_CharSetFuncsArray[fe_CharSetInfoArray[(charset) & 0xff]. \
info].drawString)((dpy), (d), (font), \
(gc), (x), (y), (string), (len)); \
} \
} while (0)
#endif
#ifndef NO_WEB_FONTS
#define FE_DRAW_IMAGE_STRING(charset, dpy, d, font, gc, gc2, x, y, string, len) \
do \
{ \
int font_type; \
fe_Font platform_font; \
\
font_type = ((fe_FontWrap *) font)->distinguisher; \
platform_font = ((fe_FontWrap *) font)->platform_font; \
\
if (FE_FONT_TYPE_X8 == font_type) \
{ \
XDrawImageString((dpy), (d), (gc), (x), (y), \
(string), (len)); \
} \
else if (FE_FONT_TYPE_X16 == font_type) \
{ \
XDrawImageString16((dpy), (d), (gc), (x), (y), \
(XChar2b *) (string), (len)/2); \
} \
else if (FE_FONT_TYPE_GROUP == font_type) \
{ \
(*fe_CharSetFuncsArray[fe_CharSetInfoArray[(charset) & 0xff]. \
info].drawImageString)((dpy), (d), platform_font, \
(gc), (gc2), (x), (y), (string), (len)); \
} \
else \
{ \
struct nfrc *rc; \
void * rcbuf[4]; \
\
rcbuf[0] = (dpy); \
rcbuf[1] = (void *) (d); \
rcbuf[2] = (gc); \
rcbuf[3] = (void *)(NF_DrawImageTextMask); \
rc = nffbu_CreateRenderingContext(fe_FontUtility, \
NF_RC_DIRECT, \
0, rcbuf, 4, NULL); \
(void) nfrf_DrawText(((struct nfrf *) platform_font), rc, \
(x), (y), 0, (string), (len), NULL); \
nfrc_release(rc, NULL); \
} \
} while (0)
#else
#define FE_DRAW_IMAGE_STRING(charset, dpy, d, font, gc, gc2, x, y, string, len) \
do \
{ \
int type; \
\
type = fe_CharSetInfoArray[(charset) & 0xff].type; \
\
if (type == FE_FONT_TYPE_X8) \
{ \
XDrawImageString((dpy), (d), (gc), (x), (y), (string), \
(len)); \
} \
else if (type == FE_FONT_TYPE_X16) \
{ \
XDrawImageString16((dpy), (d), (gc), (x), (y), \
(XChar2b *) (string), (len)/2); \
} \
else \
{ \
(*fe_CharSetFuncsArray[fe_CharSetInfoArray[(charset) & 0xff]. \
info].drawImageString)((dpy), (d), \
(font), (gc), (gc2), (x), (y), (string), (len)); \
} \
} while (0)
#endif
#ifndef NO_WEB_FONTS
#define FE_SET_GC_FONT(charset, gc, font, flags) \
do \
{ \
int font_type; \
fe_Font platform_font; \
\
font_type = ((fe_FontWrap *) font)->distinguisher; \
platform_font = ((fe_FontWrap *) font)->platform_font; \
\
if ((FE_FONT_TYPE_X8 == font_type) || \
(FE_FONT_TYPE_X16 == font_type)) \
{ \
(gc)->font = ((XFontStruct *) platform_font)->fid; \
*(flags) |= GCFont; \
} \
} while (0)
#else
#define FE_SET_GC_FONT(charset, gc, font, flags) \
do \
{ \
fe_CharSetInfo *info; \
\
info = &fe_CharSetInfoArray[(charset) & 0xff]; \
\
if (info->type != FE_FONT_TYPE_GROUP) \
{ \
(gc)->font = ((XFontStruct *) (font))->fid; \
*(flags) |= GCFont; \
} \
} while (0)
#endif
Check in locale independent form select/button handling change Approvaled by XFE owner
1998-05-01 21:40:38 +00:00
#ifndef NO_WEB_FONTS
#define FE_NONEDIT_FONTLIST(charset, font, fontlist) \
do \
{ \
fe_Font platform_font; \
\
fe_CharSetFuncs entry = \
fe_CharSetFuncsArray[fe_CharSetInfoArray[(charset) & 0xff].info]; \
\
platform_font = ((fe_FontWrap *) font)->platform_font; \
\
(fontlist) = \
(* (entry.nonEditGetFontList))(charset, platform_font, \
(int)entry.numberOfFonts); \
} while(0)
#else
#define FE_NONEDIT_FONTLIST(charset, font, fontlist) \
do \
{ \
fe_CharSetFuncs entry = \
fe_CharSetFuncsArray[fe_CharSetInfoArray[(charset) & 0xff].info]; \
\
(fontlist) = \
(* (entry.nonEditGetFontList))( charset, font, \
(int) entry.numberOfFonts); \
} while(0)
#endif
#ifndef NO_WEB_FONTS
#define FE_NONEDIT_TO_XMSTRING(charset, font, string, len) \
(*fe_CharSetFuncsArray[fe_CharSetInfoArray[(charset) & 0xff]. \
info].nonEditToXmString)( (charset), \
(fe_Font) (((fe_FontWrap *) font)->platform_font), \
(string), \
(len) \
)
#else
#define FE_NONEDIT_TO_XMSTRING(charset, font, string, len) \
(*fe_CharSetFuncsArray[fe_CharSetInfoArray[(charset) & 0xff]. \
info].nonEditToXmString)((charset), \
(fe_Font)(font), \
(string), \
(len) \
)
#endif
Free the lizard
1998-03-28 02:44:41 +00:00
/*
* typedefs and structs
*/
#ifndef NO_WEB_FONTS
typedef struct fe_FontWrap
{
unsigned char distinguisher;
void * platform_font;
} fe_FontWrap;
#endif
typedef void *fe_Font;
typedef struct fe_FontFace fe_FontFace;
struct fe_FontFace
{
fe_FontFace *next;
char *longXLFDFontName;
fe_Font font;
fe_Font javafont;
XP_Bool loaded;
};
typedef struct fe_FontSize fe_FontSize;
struct fe_FontSize
{
fe_FontSize *next;
int size;
/* whether the user has selected this size in preferences */
unsigned int selected : 1;
/* whether this record is in the css pool */
unsigned int in_pool: 1;
/* 0 = normal, 1 = bold, 2 = italic, 3 = boldItalic */
fe_FontFace *faces[4];
};
typedef struct fe_FontFamily
{
/* displayed name of this family/foundry */
char *name;
/* XLFD name of foundry */
char *foundry;
/* XLFD name of family */
char *family;
/* whether the user has selected this family in preferences */
unsigned int selected : 1;
/* whether not to allow scaling for this family */
unsigned int allowScaling : 1;
/* whether the htmlSizes have been computer or not */
unsigned int htmlSizesComputed : 1;
/* one for each document size, 1-7 */
fe_FontSize *htmlSizes[7];
/* selected size if scaled font */
int scaledSize;
/* pointer to all pixel sizes within this family */
fe_FontSize *pixelSizes;
/* allocated size of pixelSizes array */
short pixelAlloc;
/* actual number of pixel sizes */
short numberOfPixelSizes;
/* pointer to all point sizes within this family */
fe_FontSize *pointSizes;
/* allocated size of pointSizes array */
short pointAlloc;
/* actual number of point sizes */
short numberOfPointSizes;
/* pointer to list of temporarily instantiated point sizes */
fe_FontSize *pool;
} fe_FontFamily;
/* one for each pitch: proportional and fixed */
typedef struct fe_FontPitch
{
/* pointer to size menu for this pitch */
Widget sizeMenu;
/* pointer to all families of this charset/pitch */
fe_FontFamily *families;
/* allocated size of families array */
short alloc;
/* actual number of families */
short numberOfFamilies;
/* selected family */
fe_FontFamily *selectedFamily;
} fe_FontPitch;
/* we have one of these per charset */
typedef struct fe_FontCharSet
{
/* displayed name of this charset */
char *name;
/* official MIME name of this charset */
char *mimeName;
/* whether the user has selected this one in the preferences */
unsigned int selected : 1;
/* the two pitches: 0 = proportional and 1 = fixed */
fe_FontPitch pitches[2];
} fe_FontCharSet;
typedef struct fe_CharSetInfo
{
int16 charsetID;
unsigned char type;
unsigned char info;
} fe_CharSetInfo;
typedef XP_Bool (*fe_AreFontsAvailFunc)(int16 win_csid);
typedef fe_Font (*fe_LoadFontFunc)(MWContext *context, char *familyName,
int points, int sizeNum, int fontmask, int charset, int pitch,
int faceNum, Display *dpy);
typedef void (*fe_TextExtentsFunc)(fe_Font font, char *string, int len,
int *dir, int *fontAscent, int *fontDescent, XCharStruct *overall);
typedef void (*fe_DrawStringFunc)(Display *dpy, Drawable d, fe_Font font,
GC gc, int x, int y, char *string, int len);
typedef void (*fe_DrawImageStringFunc)(Display *dpy, Drawable d, fe_Font font,
GC gc, GC gc2, int x, int y, char *string, int len);
Check in locale independent form select/button handling change Approvaled by XFE owner
1998-05-01 21:40:38 +00:00
typedef XmFontList (*fe_GetFontList)(int16 charset, fe_Font font, int numOfFont);
typedef XmString (*fe_ToXmString)(int16 charset, fe_Font font, char* string, int len );
Free the lizard
1998-03-28 02:44:41 +00:00
typedef struct fe_CharSetFuncs
{
unsigned char numberOfFonts;
Check in locale independent form select/button handling change Approvaled by XFE owner
1998-05-01 21:40:38 +00:00
fe_AreFontsAvailFunc areFontsAvail;
Free the lizard
1998-03-28 02:44:41 +00:00
fe_LoadFontFunc loadFont;
fe_TextExtentsFunc textExtents;
fe_DrawStringFunc drawString;
Check in locale independent form select/button handling change Approvaled by XFE owner
1998-05-01 21:40:38 +00:00
fe_DrawImageStringFunc drawImageString;
fe_GetFontList nonEditGetFontList;
fe_ToXmString nonEditToXmString;
Free the lizard
1998-03-28 02:44:41 +00:00
} fe_CharSetFuncs;
typedef struct fe_FontSettings fe_FontSettings;
struct fe_FontSettings
{
fe_FontSettings *next;
char *spec;
};
/*
* public data
*/
extern fe_FontCharSet fe_FontCharSets[];
extern unsigned char fe_SortedFontCharSets[];
extern fe_CharSetInfo fe_CharSetInfoArray[];
extern fe_CharSetFuncs fe_CharSetFuncsArray[];
#ifndef NO_WEB_FONTS
extern struct nffbu * fe_FontUtility;
#endif
/*
* public functions
*/
XP_Bool fe_IsCharSetSupported(int16 doc_csid);
XP_Bool fe_AreFontsAvail(int16 win_csid);
fe_Font fe_LoadUnicodeFont(void *, char *familyName, int points,
int sizeNum, int fontmask, int charset,
int pitch, int faceNum, Display *dpy);
void fe_FreeUnicodeFonts(void);
XmString fe_utf8_to_XmString(fe_Font, char *, int, XmFontList *);
void fe_ComputeFontSizeTable(fe_FontFamily *family);
void fe_FreeFontGroups(void);
void fe_FreeFonts(void);
void fe_FreeFontSettings(fe_FontSettings *set);
void fe_FreeFontSizeTable(fe_FontFamily *family);
void fe_GenericFontExtents(int num, fe_Font font, int *fontAscent,
int *fontDescent);
char *fe_GetFontCharSetSetting(void);
XtPointer fe_GetFont(MWContext *context, int sizeNum, int fontmask);
XtPointer fe_GetFontOrFontSet(MWContext *context, char *familyName,
int sizeNum, int fontmask, XmFontType *type);
XtPointer fe_GetFontOrFontSetFromFace(MWContext *context, LO_TextAttr *attr,
char *net_font_face, int sizeNum,
int fontmask, XmFontType *type);
fe_FontSettings *fe_GetFontSettings(void);
int fe_GetStrikePosition(int charset, fe_Font font);
int fe_GetUnderlinePosition(int charset);
void fe_InitFonts(Display *dpy);
#ifndef NO_WEB_FONTS
extern void fe_DoneWithFont(fe_Font font);
#endif
fe_Font fe_LoadFontFromFace(MWContext *context, LO_TextAttr *attr, int16 *charset,
char *net_font_face, int size, int fontmask);
void fe_ReadFontCharSet(char *charset);
void fe_ReadFontSpec(char *spec);
void fe_SetFontSettings(fe_FontSettings *set);
XP_END_PROTOS
int fe_WebfontsNeedReload(MWContext *context);
#ifdef __cplusplus
}
#endif
#endif /* __xfe_fonts_h_ */
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