File: [Development] / inventor / libFL / src / flclient.h (download)
Revision 1.2, Sat Mar 24 02:47:41 2001 UTC (16 years, 7 months ago) by jlim
Branch: MAIN
CVS Tags: release-2_1_5-9, release-2_1_5-8, release-2_1_5-10, HEAD
Changes since 1.1: +3 -0
lines
Added support for optional FreeType interface.
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#ifndef __flclient_h_
#define __flclient_h_
#ifdef WIN32
#include <windows.h>
#endif
#ifndef __gl_h_
#include <GL/gl.h>
#endif /* __gl_h_ */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/*
* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/NoticeExplan/
*/
/* This file should be included in those OpenGL programs which need Font */
/* Library (FL) functions from the file /usr/lib/libFL.so. */
/* The fontNamePreference parameter in a call to flCreateContext can have */
/* one of the following values: */
#define FL_FONTNAME 0
#define FL_FILENAME 1
#define FL_XFONTNAME 2
/* The parameter hint in a call to flSetHint can have one of the following */
/* values: */
#define FL_HINT_AABITMAPFONTS 1 /* bound to font */
#define FL_HINT_CHARSPACING 2 /* bound to font */
#define FL_HINT_FONTTYPE 3 /* bound to font */
#define FL_HINT_MAXAASIZE 4 /* bound to font */
#define FL_HINT_MINOUTLINESIZE 5 /* bound to font */
#define FL_HINT_ROUNDADVANCE 6 /* bound to font */
#define FL_HINT_SCALETHRESH 7 /* bound to font */
#define FL_HINT_TOLERANCE 8 /* bound to font */
#define FL_FONTTYPE_ALL 0 /* use all types of fonts (default) */
#define FL_FONTTYPE_BITMAP 1 /* use only bitmap fonts */
#define FL_FONTTYPE_OUTLINE 2 /* use only outline fonts */
#define FL_ASCII 0
#define FL_ADOBE 1
#define FL_JISC6226 2
#define FL_CYRILLIC 3
#define FL_HANGUL 4
#define FL_DEVENAGERI 5
#define FL_ISO88591 6 /* ISO 8859-1 */
#define FL_DECTECH 7 /* DEC DECTECH */
#define FL_JISX020819760 8 /* JISX0208.1976-0 */
#define FL_JISX020119760 9 /* JISX0201.1976-0 */
#define FL_SUNOLCURSOR1 10 /* SUN OPEN LOOK CURSOR 1 */
#define FL_SUNOLGLYPH1 11 /* SUN OPEN LOOK GLYPH 1 */
#define FL_SPECIFIC 12 /* FONT SPECIFIC */
#define FL_JISX020819830 13 /* JISX0208.1983-0 */
#define FL_KSC560119870 14 /* KSC5601.1987-0 */
#define FL_GB231219800 15 /* GB2312.1980-0 */
#define FL_78EUCH 16 /* CID 78-EUC-H */
#define FL_78H 17 /* CID 78-H */
#define FL_78RKSJH 18 /* CID 78-RKSJ-H */
#define FL_83PVRKSJH 19 /* CID 83pv-RKSJ-H */
#define FL_90MSRKSJH 20 /* CID 90ms-RKSJ-H */
#define FL_90PVRKSJH 21 /* CID 90pv-RKSJ-H */
#define FL_ADDH 22 /* CID Add-H */
#define FL_ADDRKSJH 23 /* CID Add-RKSJ-H */
#define FL_ADOBEJAPAN10 24 /* CID Adobe-Japan1-0 */
#define FL_ADOBEJAPAN11 25 /* CID Adobe-Japan1-1 */
#define FL_ADOBEJAPAN12 26 /* CID Adobe-Japan1-2 */
#define FL_EUCH 27 /* CID EUC-H */
#define FL_EXTH 28 /* CID Ext-H */
#define FL_EXTRKSJH 29 /* CID Ext-RKSJ-H */
#define FL_HIRAGANA 30 /* CID Hiragana */
#define FL_KATAKANA 31 /* CID Katakana */
#define FL_NWPH 32 /* CID NWP-H */
#define FL_RKSJH 33 /* CID RKSJ-H */
#define FL_ROMAN 34 /* CID Roman */
#define FL_WPSYMBOL 35 /* CID WP-Symbol */
#define FL_ADOBEJAPAN20 36 /* CID Adobe-Japan2-0 */
#define FL_HOJOH 37 /* CID Hojo-H */
#define FL_ISO88592 38 /* ISO 8859-2 */
#define FL_ISO88593 39 /* ISO 8859-3 */
#define FL_ISO88594 40 /* ISO 8859-4 */
#define FL_ISO88595 41 /* ISO 8859-5 */
#define FL_ISO88596 42 /* ISO 8859-6 */
#define FL_ISO88597 43 /* ISO 8859-7 */
#define FL_ISO88598 44 /* ISO 8859-8 */
#define FL_ISO88599 45 /* ISO 8859-9 */
#define FL_ISO885910 46 /* ISO 8859-10 */
#define FL_BIG5 47
#define FL_CNS1164319861 48 /* CNS11643.1986-1 */
#define FL_CNS1164319862 49 /* CNS11643.1986-2 */
#define FL_EUCCN 50
#define FL_EUCJP 51
#define FL_EUCKR 52
#define FL_EUCTW 53
#define FL_SJIS 54
/* font direction */
#define FL_FONT_LEFTTORIGHT 0
#define FL_FONT_RIGHTTOLEFT 1
#define FL_FONT_BOTTOMTOTOP 2
#define FL_FONT_TOPTOBOTTOM 3
typedef GLint FLfontNumber;
/* character outline data structures */
typedef struct {
GLfloat x;
GLfloat y;
} FLpt2;
typedef struct FLoutline {
GLshort outlinecount;
GLshort *vertexcount;
FLpt2 **vertex;
GLfloat xadvance;
GLfloat yadvance;
} FLoutline;
/* FLcontext is a pointer to private (opaque) data */
typedef struct __FLcontextRec *FLcontext;
typedef struct FLbitmap {
GLsizei width;
GLsizei height;
GLfloat xorig;
GLfloat yorig;
GLfloat xmove;
GLfloat ymove;
GLubyte *bitmap;
} FLbitmap;
typedef struct FLscalableBitmap { /* font metrics in thousandths of an em */
GLsizei ymove; /* in thousandths of an em */
GLsizei xmove; /* in thousandths of an em */
GLsizei llx; /* in thousandths of an em */
GLsizei lly; /* in thousandths of an em */
GLsizei urx; /* in thousandths of an em */
GLsizei ury; /* in thousandths of an em */
GLsizei width; /* bitmap width in pixels */
GLsizei height; /* bitmap height in pixels */
GLfloat xorig; /* x coordinate for the bitmap origin in pixels */
GLfloat yorig; /* y coordinate for the bitmap origin in pixels */
GLubyte *bitmap;
} FLscalableBitmap;
typedef struct FLFontProp {
unsigned long name;
unsigned long value;
} FLFontProp;
typedef struct {
short lbearing; /* origin to left edge of raster */
short rbearing; /* origin to right edge of raster */
short width; /* advance to next char's origin */
short ascent; /* baseline to top edge of raster */
short descent; /* baseline to bottom edge of raster */
unsigned short attributes; /* per char flags (not predefined) */
} FLCharStruct;
typedef struct FLfontStruct {
FLfontNumber fn; /* font number (handle) */
unsigned direction; /* hint about direction the font is painted */
unsigned min_char_or_byte2;/* first character */
unsigned max_char_or_byte2;/* last character */
unsigned min_byte1; /* first row that exists */
unsigned max_byte1; /* last row that exists */
int all_chars_exist;/* flag if all characters have non-zero size*/
unsigned default_char; /* char to print for undefined character */
int n_properties; /* how many properties there are */
FLFontProp *properties; /* pointer to array of additional properties*/
FLCharStruct min_bounds; /* minimum bounds over all existing char*/
FLCharStruct max_bounds; /* maximum bounds over all existing char*/
FLCharStruct *per_char; /* first_char to last_char information */
int ascent; /* log. extent above baseline for spacing */
int descent; /* log. descent below baseline for spacing */
} FLfontStruct;
/* functions provided (exported) by the OpenGL Font Library (FL) */
extern void flAAColor(
GLuint /* colorFull */,
GLuint /* colorHalf */
);
extern void flAACpack(
GLuint /* colorFull */,
GLuint /* colorHalf */
);
extern void flCpack(
GLuint /* color */
);
extern FLcontext flCreateContext(
const GLubyte * /* fontPath */,
GLint /* fontNamePreference */,
const GLubyte * /* fontNameRestriction */,
GLfloat /* pointsPerUMx */,
GLfloat /* pointsPerUMy */
);
extern FLfontNumber flCreateFont(
const GLubyte * /* fontName */,
GLfloat [2][2] /* mat */,
GLint /* charNameCount */,
GLubyte ** /* charNameVector */
);
extern void flDestroyContext(
FLcontext /* ctx */
);
extern void flDestroyFont(
FLfontNumber /* fn */
);
extern void flDrawCharacters(
GLubyte * /* str */
);
extern void flDrawNCharacters(
void * /* str */,
GLint /* charCount */,
GLint /* bytesPerCharacter */
);
extern void flEnumerateFonts(
void (*fn)(GLubyte *) /* name of callback function */
);
extern void flEnumerateSizes(
GLubyte * /* typeface */,
void (*fn)(GLfloat) /* name of callback function */
);
extern void flFreeBitmap(
FLbitmap * /* bitmapPtr */
);
extern void flFreeScalableBitmap(
FLscalableBitmap * /* bitmapPtr */
);
extern void flFreeFontInfo(
FLfontStruct * /* fontStruct */
);
extern void flFreeFontNames(
GLubyte ** /* list */
);
extern void flFreeFontSizes(
GLfloat * /* list */
);
extern void flFreeOutline(
FLoutline * /* outline */
);
extern GLboolean flGetOutlineBBox(
FLfontNumber /* fn */,
GLuint /* c */,
GLfloat * /* llx */,
GLfloat * /* lly */,
GLfloat * /* urx */,
GLfloat * /* ury */
);
extern FLbitmap *flGetBitmap(
FLfontNumber /* fn */,
GLuint /* c */
);
extern FLscalableBitmap *flGetScalableBitmap(
FLfontNumber /* fn */,
GLuint /* c */
);
extern FLcontext flGetCurrentContext(
void
);
extern GLboolean flMakeCurrentContext(
FLcontext /* ctx */
);
extern FLfontNumber flGetCurrentFont(
void
);
extern FLfontStruct *flGetFontInfo(
FLfontNumber /* fn */
);
extern FLoutline *flGetOutline(
FLfontNumber /* fn */,
GLuint /* c */
);
extern GLboolean flGetStringWidth(
FLfontNumber /* fn */,
GLubyte * /* str */,
GLfloat * /* dx */,
GLfloat * /* dy */
);
extern GLboolean flGetStringWidthN(
FLfontNumber /* fn */,
void * /* str */,
GLint /* charCount */,
GLint /* bytesPerCharacter */,
GLfloat * /* dx */,
GLfloat * /* dy */
);
extern GLubyte **flListFonts(
GLint /* maxNames */,
GLint * /* countReturn */
);
extern GLfloat *flListSizes(
const GLubyte * /* typeface */,
GLint *countReturn
);
extern GLboolean flMakeCurrentContext(
FLcontext /* ctx */
);
extern GLboolean flMakeCurrentFont(
FLfontNumber /* fn */
);
extern FLfontNumber flScaleRotateFont(
const GLubyte * /* fontName */,
GLfloat /* fontScale */,
GLfloat /* angle */
);
extern void flSetHint(
GLuint /* hint */,
GLfloat /* hintValue */
);
extern void flGetFontBBox(
FLfontNumber /* fn */,
GLfloat * /* llx */,
GLfloat * /* lly */,
GLfloat * /* urx */,
GLfloat * /* ury */,
GLint * /* isfixed */
);
extern FLbitmap *flUniGetBitmap(
GLubyte * /* fontList */, /* "fn1,fn2,fn3, ..." */
GLubyte * /* UCS2 */
);
extern FLoutline *flUniGetOutline(
GLubyte * /* fontList */, /* "fn1,fn2,fn3, ..." */
GLubyte * /* UCS2 */
);
extern GLboolean flUniGetOutlineBBox(
GLubyte * /* fontList */, /* "fn1,fn2,fn3, ..." */
GLubyte * /* UCS2 */,
GLfloat * /* llx */,
GLfloat * /* lly */,
GLfloat * /* urx */,
GLfloat * /* ury */
);
extern FLscalableBitmap *flUniGetScalableBitmap(
GLubyte * /* fontList */, /* "fn1,fn2,fn3, ..." */
GLubyte * /* UCS2 */
);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __flclient_h_ */
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