+++ /dev/null
-/* $XConsortium: fontstruct.h /main/17 1996/08/09 16:23:54 kaleb $ */
-/* $XFree86: xc/include/fonts/fontstruct.h,v 3.1 1996/12/23 05:58:39 dawes Exp $ */
-/***********************************************************
-Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
-
- All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its
-documentation for any purpose and without fee is hereby granted,
-provided that the above copyright notice appear in all copies and that
-both that copyright notice and this permission notice appear in
-supporting documentation, and that the name of Digital not be
-used in advertising or publicity pertaining to distribution of the
-software without specific, written prior permission.
-
-DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
-DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
-ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
-WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
-ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
-SOFTWARE.
-
-******************************************************************/
-
-#ifndef FONTSTR_H
-#define FONTSTR_H
-
-#include <X11/Xproto.h>
-#include "font.h"
-#include <X11/Xfuncproto.h>
-
-/*
- * This version of the server font data strucutre is only for describing
- * the in memory data structure. The file structure is not necessarily a
- * copy of this. That is up to the compiler and the OS layer font loading
- * machinery.
- */
-
-#define GLYPHPADOPTIONS 4 /* 1, 2, 4, or 8 */
-
-typedef struct _FontProp {
- long name;
- long value; /* assumes ATOM is not larger than INT32 */
-} FontPropRec;
-
-typedef struct _FontResolution {
- unsigned short x_resolution;
- unsigned short y_resolution;
- unsigned short point_size;
-} FontResolutionRec;
-
-typedef struct _ExtentInfo {
- DrawDirection drawDirection;
- int fontAscent;
- int fontDescent;
- int overallAscent;
- int overallDescent;
- int overallWidth;
- int overallLeft;
- int overallRight;
-} ExtentInfoRec;
-
-typedef struct _CharInfo {
- xCharInfo metrics; /* info preformatted for Queries */
- char *bits; /* pointer to glyph image */
-} CharInfoRec;
-
-/*
- * Font is created at font load time. It is specific to a single encoding.
- * e.g. not all of the glyphs in a font may be part of a single encoding.
- */
-
-typedef struct _FontInfo {
- unsigned short firstCol;
- unsigned short lastCol;
- unsigned short firstRow;
- unsigned short lastRow;
- unsigned short defaultCh;
- unsigned int noOverlap:1;
- unsigned int terminalFont:1;
- unsigned int constantMetrics:1;
- unsigned int constantWidth:1;
- unsigned int inkInside:1;
- unsigned int inkMetrics:1;
- unsigned int allExist:1;
- unsigned int drawDirection:2;
- unsigned int cachable:1;
- unsigned int anamorphic:1;
- short maxOverlap;
- short pad;
- xCharInfo maxbounds;
- xCharInfo minbounds;
- xCharInfo ink_maxbounds;
- xCharInfo ink_minbounds;
- short fontAscent;
- short fontDescent;
- int nprops;
- FontPropPtr props;
- char *isStringProp;
-} FontInfoRec;
-
-typedef struct _Font {
- int refcnt;
- FontInfoRec info;
- char bit;
- char byte;
- char glyph;
- char scan;
- fsBitmapFormat format;
- int (*get_glyphs) (
-#if NeedNestedPrototypes
- FontPtr /* font */,
- unsigned long /* count */,
- unsigned char * /* chars */,
- FontEncoding /* encoding */,
- unsigned long * /* count */,
- CharInfoPtr * /* glyphs */
-#endif
-);
- int (*get_metrics) (
-#if NeedNestedPrototypes
- FontPtr /* font */,
- unsigned long /* count */,
- unsigned char * /* chars */,
- FontEncoding /* encoding */,
- unsigned long * /* count */,
- xCharInfo ** /* glyphs */
-#endif
-);
- void (*unload_font) (
-#if NeedNestedPrototypes
- FontPtr /* font */
-#endif
-);
- void (*unload_glyphs) (
-#if NeedNestedPrototypes
- FontPtr /* font */
-#endif
-);
- FontPathElementPtr fpe;
- pointer svrPrivate;
- pointer fontPrivate;
- pointer fpePrivate;
- int maxPrivate;
- pointer *devPrivates;
-} FontRec;
-
-extern Bool _FontSetNewPrivate (
-#if NeedFunctionPrototypes
- FontPtr /* pFont */,
- int /* n */,
- pointer /* ptr */
-#endif
- );
-extern int AllocateFontPrivateIndex (
-#if NeedFunctionPrototypes
- void
-#endif
- );
-
-#define FontGetPrivate(pFont,n) ((n) > (pFont)->maxPrivate ? (pointer) 0 : \
- (pFont)->devPrivates[n])
-
-#define FontSetPrivate(pFont,n,ptr) ((n) > (pFont)->maxPrivate ? \
- _FontSetNewPrivate (pFont, n, ptr) : \
- ((((pFont)->devPrivates[n] = (ptr)) != 0) || TRUE))
-
-typedef struct _FontNames {
- int nnames;
- int size;
- int *length;
- char **names;
-} FontNamesRec;
-
-/* External view of font paths */
-typedef struct _FontPathElement {
- int name_length;
- char *name;
- int type;
- int refcount;
- pointer private;
-} FontPathElementRec;
-
-typedef struct _FPEFunctions {
- int (*name_check) (
-#if NeedFunctionPrototypes
- char* /* name */
-#endif
- );
- int (*init_fpe) (
-#if NeedNestedPrototypes
- FontPathElementPtr /* fpe */
-#endif
- );
- int (*reset_fpe) (
-#if NeedNestedPrototypes
- FontPathElementPtr /* fpe */
-#endif
- );
- int (*free_fpe) (
-#if NeedNestedPrototypes
- FontPathElementPtr /* fpe */
-#endif
- );
- int (*open_font) (
-#if NeedNestedPrototypes
- pointer /* client */,
- FontPathElementPtr /* fpe */,
- int /* flags */,
- char* /* name */,
- int /* namelen */,
- fsBitmapFormat /* format */,
- fsBitmapFormatMask /* fmask */,
- unsigned long /* id (type XID or FSID) */,
- FontPtr* /* pFont */,
- char** /* aliasName */,
- FontPtr /* non_cachable_font */
-#endif
- );
-
- int (*close_font) (
-#if NeedNestedPrototypes
- FontPathElementPtr /* fpe */,
- FontPtr /* pFont */
-#endif
- );
- int (*list_fonts) (
-#if NeedNestedPrototypes
- pointer /* client */,
- FontPathElementPtr /* fpe */,
- char* /* pat */,
- int /* len */,
- int /* max */,
- FontNamesPtr /* names */
-#endif
- );
- int (*start_list_fonts_and_aliases) (
-#if NeedNestedPrototypes
- pointer /* client */,
- FontPathElementPtr /* fpe */,
- char* /* pat */,
- int /* len */,
- int /* max */,
- pointer* /* privatep */
-#endif
- );
- int (*list_next_font_or_alias) (
-#if NeedNestedPrototypes
- pointer /* client */,
- FontPathElementPtr /* fpe */,
- char** /* namep */,
- int* /* namelenp */,
- char** /* resolvedp */,
- int* /* resolvedlenp */,
- pointer /* private */
-#endif
- );
- int (*start_list_fonts_with_info) (
-#if NeedNestedPrototypes
- pointer /* client */,
- FontPathElementPtr /* fpe */,
- char* /* pat */,
- int /* patlen */,
- int /* maxnames */,
- pointer* /* privatep */
-#endif
- );
- int (*list_next_font_with_info) ( /* client, fpe, name, namelen,
- info, num, data */
-#if NeedNestedPrototypes
- pointer /* client */,
- FontPathElementPtr /* fpe */,
- char** /* name */,
- int* /* namelen */,
- FontInfoPtr* /* info */,
- int* /* numFonts */,
- pointer /* private */
-#endif
- );
- int (*wakeup_fpe) (
-#if NeedNestedPrototypes
- FontPathElementPtr /* fpe */,
- unsigned long* /* LastSelectMask */
-#endif
- );
- int (*client_died) (
-#if NeedNestedPrototypes
- pointer /* client */,
- FontPathElementPtr /* fpe */
-#endif
- );
- /* for load_glyphs, range_flag = 0 ->
- nchars = # of characters in data
- item_size = bytes/char
- data = list of characters
- range_flag = 1 ->
- nchars = # of fsChar2b's in data
- item_size is ignored
- data = list of fsChar2b's */
- int (*load_glyphs) (
-#if NeedNestedPrototypes
- pointer /* client */,
- FontPtr /* pfont */,
- Bool /* range_flag */,
- unsigned int /* nchars */,
- int /* item_size */,
- unsigned char* /* data */
-#endif
- );
- void (*set_path_hook)(
-#if NeedFunctionPrototypes
- void
-#endif
- );
-} FPEFunctionsRec, FPEFunctions;
-
-#if 0 /* unused */
-extern int InitFPETypes();
-#endif
-
-/*
- * Various macros for computing values based on contents of
- * the above structures
- */
-
-#define GLYPHWIDTHPIXELS(pci) \
- ((pci)->metrics.rightSideBearing - (pci)->metrics.leftSideBearing)
-
-#define GLYPHHEIGHTPIXELS(pci) \
- ((pci)->metrics.ascent + (pci)->metrics.descent)
-
-#define GLYPHWIDTHBYTES(pci) (((GLYPHWIDTHPIXELS(pci))+7) >> 3)
-
-#define GLYPHWIDTHPADDED(bc) (((bc)+7) & ~0x7)
-
-#define BYTES_PER_ROW(bits, nbytes) \
- ((nbytes) == 1 ? (((bits)+7)>>3) /* pad to 1 byte */ \
- :(nbytes) == 2 ? ((((bits)+15)>>3)&~1) /* pad to 2 bytes */ \
- :(nbytes) == 4 ? ((((bits)+31)>>3)&~3) /* pad to 4 bytes */ \
- :(nbytes) == 8 ? ((((bits)+63)>>3)&~7) /* pad to 8 bytes */ \
- : 0)
-
-#define BYTES_FOR_GLYPH(ci,pad) (GLYPHHEIGHTPIXELS(ci) * \
- BYTES_PER_ROW(GLYPHWIDTHPIXELS(ci),pad))
-/*
- * Macros for computing different bounding boxes for fonts; from
- * the font protocol
- */
-
-#define FONT_MAX_ASCENT(pi) ((pi)->fontAscent > (pi)->ink_maxbounds.ascent ? \
- (pi)->fontAscent : (pi)->ink_maxbounds.ascent)
-#define FONT_MAX_DESCENT(pi) ((pi)->fontDescent > (pi)->ink_maxbounds.descent ? \
- (pi)->fontDescent : (pi)->ink_maxbounds.descent)
-#define FONT_MAX_HEIGHT(pi) (FONT_MAX_ASCENT(pi) + FONT_MAX_DESCENT(pi))
-#define FONT_MIN_LEFT(pi) ((pi)->ink_minbounds.leftSideBearing < 0 ? \
- (pi)->ink_minbounds.leftSideBearing : 0)
-#define FONT_MAX_RIGHT(pi) ((pi)->ink_maxbounds.rightSideBearing > \
- (pi)->ink_maxbounds.characterWidth ? \
- (pi)->ink_maxbounds.rightSideBearing : \
- (pi)->ink_maxbounds.characterWidth)
-#define FONT_MAX_WIDTH(pi) (FONT_MAX_RIGHT(pi) - FONT_MIN_LEFT(pi))
-
-#endif /* FONTSTR_H */
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