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1 files changed, 539 insertions, 539 deletions

diff --git a/libX11/man/XLoadFont.man b/libX11/man/XLoadFont.man
index b85fcb25f..008d6d1ba 100644
--- a/libX11/man/XLoadFont.man
+++ b/libX11/man/XLoadFont.man
@@ -1,539 +1,539 @@
-.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1994, 1996 X Consortium
-.\"
-.\" Permission is hereby granted, free of charge, to any person obtaining
-.\" a copy of this software and associated documentation files (the
-.\" "Software"), to deal in the Software without restriction, including
-.\" without limitation the rights to use, copy, modify, merge, publish,
-.\" distribute, sublicense, and/or sell copies of the Software, and to
-.\" permit persons to whom the Software is furnished to do so, subject to
-.\" the following conditions:
-.\"
-.\" The above copyright notice and this permission notice shall be included
-.\" in all copies or substantial portions of the Software.
-.\"
-.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-.\" IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
-.\" OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-.\" ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-.\" OTHER DEALINGS IN THE SOFTWARE.
-.\"
-.\" Except as contained in this notice, the name of the X Consortium shall
-.\" not be used in advertising or otherwise to promote the sale, use or
-.\" other dealings in this Software without prior written authorization
-.\" from the X Consortium.
-.\"
-.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991 by
-.\" Digital Equipment Corporation
-.\"
-.\" Portions Copyright \(co 1990, 1991 by
-.\" Tektronix, Inc.
-.\"
-.\" Permission to use, copy, modify and distribute this documentation for
-.\" any purpose and without fee is hereby granted, provided that the above
-.\" copyright notice appears in all copies and that both that copyright notice
-.\" and this permission notice appear in all copies, and that the names of
-.\" Digital and Tektronix not be used in in advertising or publicity pertaining
-.\" to this documentation without specific, written prior permission.
-.\" Digital and Tektronix makes no representations about the suitability
-.\" of this documentation for any purpose.
-.\" It is provided ``as is'' without express or implied warranty.
-.\" 
-.\"
-.ds xT X Toolkit Intrinsics \- C Language Interface
-.ds xW Athena X Widgets \- C Language X Toolkit Interface
-.ds xL Xlib \- C Language X Interface
-.ds xC Inter-Client Communication Conventions Manual
-.na
-.de Ds
-.nf
-.\\$1D \\$2 \\$1
-.ft 1
-.\".ps \\n(PS
-.\".if \\n(VS>=40 .vs \\n(VSu
-.\".if \\n(VS<=39 .vs \\n(VSp
-..
-.de De
-.ce 0
-.if \\n(BD .DF
-.nr BD 0
-.in \\n(OIu
-.if \\n(TM .ls 2
-.sp \\n(DDu
-.fi
-..
-.de FD
-.LP
-.KS
-.TA .5i 3i
-.ta .5i 3i
-.nf
-..
-.de FN
-.fi
-.KE
-.LP
-..
-.de IN		\" send an index entry to the stderr
-..
-.de C{
-.KS
-.nf
-.D
-.\"
-.\"	choose appropriate monospace font
-.\"	the imagen conditional, 480,
-.\"	may be changed to L if LB is too
-.\"	heavy for your eyes...
-.\"
-.ie "\\*(.T"480" .ft L
-.el .ie "\\*(.T"300" .ft L
-.el .ie "\\*(.T"202" .ft PO
-.el .ie "\\*(.T"aps" .ft CW
-.el .ft R
-.ps \\n(PS
-.ie \\n(VS>40 .vs \\n(VSu
-.el .vs \\n(VSp
-..
-.de C}
-.DE
-.R
-..
-.de Pn
-.ie t \\$1\fB\^\\$2\^\fR\\$3
-.el \\$1\fI\^\\$2\^\fP\\$3
-..
-.de ZN
-.ie t \fB\^\\$1\^\fR\\$2
-.el \fI\^\\$1\^\fP\\$2
-..
-.de hN
-.ie t <\fB\\$1\fR>\\$2
-.el <\fI\\$1\fP>\\$2
-..
-.de NT
-.ne 7
-.ds NO Note
-.if \\n(.$>$1 .if !'\\$2'C' .ds NO \\$2
-.if \\n(.$ .if !'\\$1'C' .ds NO \\$1
-.ie n .sp
-.el .sp 10p
-.TB
-.ce
-\\*(NO
-.ie n .sp
-.el .sp 5p
-.if '\\$1'C' .ce 99
-.if '\\$2'C' .ce 99
-.in +5n
-.ll -5n
-.R
-..
-.		\" Note End -- doug kraft 3/85
-.de NE
-.ce 0
-.in -5n
-.ll +5n
-.ie n .sp
-.el .sp 10p
-..
-.ny0
-.de EX
-.sp
-.nf
-.ft CW
-..
-.de EE
-.ft R
-.fi
-.sp
-..
-.TH XLoadFont __libmansuffix__ __xorgversion__ "XLIB FUNCTIONS"
-.SH NAME
-XLoadFont, XQueryFont, XLoadQueryFont, XFreeFont, XGetFontProperty, XUnloadFont, XCharStruct, XFontProp, XChar2b, XFontStruct \- load or unload fonts and font metric structures
-.SH SYNTAX
-.HP
-Font XLoadFont\^(\^Display *\fIdisplay\fP\^, char *\fIname\fP\^); 
-.HP
-XFontStruct *XQueryFont\^(\^Display *\fIdisplay\fP\^, XID \fIfont_ID\fP\^); 
-.HP
-XFontStruct *XLoadQueryFont\^(\^Display *\fIdisplay\fP\^, char
-*\fIname\fP\^); 
-.HP
-int XFreeFont\^(\^Display *\fIdisplay\fP\^, XFontStruct *\fIfont_struct\fP\^);
-.HP
-Bool XGetFontProperty\^(\^XFontStruct *\fIfont_struct\fP\^, Atom \fIatom\fP\^,
-unsigned long *\fIvalue_return\fP\^); 
-.HP
-int XUnloadFont\^(\^Display *\fIdisplay\fP\^, Font \fIfont\fP\^); 
-.SH ARGUMENTS
-.IP \fIatom\fP 1i
-Specifies the atom for the property name you want returned.
-.IP \fIdisplay\fP 1i
-Specifies the connection to the X server.
-.IP \fIfont\fP 1i
-Specifies the font.
-.IP \fIfont_ID\fP 1i
-Specifies the font ID or the 
-.ZN GContext
-ID.
-.IP \fIfont_struct\fP 1i
-Specifies the storage associated with the font.
-.IP \fIgc\fP 1i
-Specifies the GC.
-.IP \fIname\fP 1i
-Specifies the name of the font,
-which is a null-terminated string.
-.IP \fIvalue_return\fP 1i
-Returns the value of the font property.
-.SH DESCRIPTION
-The
-.ZN XLoadFont
-function loads the specified font and returns its associated font ID.
-If the font name is not in the Host Portable Character Encoding,
-the result is implementation-dependent.
-Use of uppercase or lowercase does not matter.
-When the characters ``?'' and ``*'' are used in a font name, a
-pattern match is performed and any matching font is used.
-In the pattern, 
-the ``?'' character will match any single character, 
-and the ``*'' character will match any number of characters.
-A structured format for font names is specified in the X Consortium standard 
-\fIX Logical Font Description Conventions\fP.
-If 
-.ZN XLoadFont
-was unsuccessful at loading the specified font, 
-a 
-.ZN BadName 
-error results.
-Fonts are not associated with a particular screen 
-and can be stored as a component
-of any GC.
-When the font is no longer needed, call 
-.ZN XUnloadFont .
-.LP
-.ZN XLoadFont
-can generate
-.ZN BadAlloc 
-and
-.ZN BadName 
-errors.
-.LP
-The
-.ZN XQueryFont
-function returns a pointer to the
-.ZN XFontStruct
-structure, which contains information associated with the font.
-You can query a font or the font stored in a GC.
-The font ID stored in the 
-.ZN XFontStruct
-structure will be the 
-.ZN GContext 
-ID, and you need to be careful when using this ID in other functions
-(see
-.ZN XGContextFromGC ).
-If the font does not exist,
-.ZN XQueryFont
-returns NULL.
-To free this data, use
-.ZN XFreeFontInfo .
-.LP
-.ZN XLoadQueryFont
-can generate a
-.ZN BadAlloc 
-error.
-.LP
-The
-.ZN XLoadQueryFont
-function provides the most common way for accessing a font.
-.ZN XLoadQueryFont
-both opens (loads) the specified font and returns a pointer to the
-appropriate
-.ZN XFontStruct
-structure.
-If the font name is not in the Host Portable Character Encoding,
-the result is implementation-dependent.
-If the font does not exist,
-.ZN XLoadQueryFont
-returns NULL.
-.LP
-The
-.ZN XFreeFont
-function deletes the association between the font resource ID and the specified 
-font and frees the
-.ZN XFontStruct
-structure.
-The font itself will be freed when no other resource references it.
-The data and the font should not be referenced again.
-.LP
-.ZN XFreeFont
-can generate a
-.ZN BadFont 
-error.
-.LP
-Given the atom for that property,
-the
-.ZN XGetFontProperty
-function returns the value of the specified font property. 
-.ZN XGetFontProperty
-also returns 
-.ZN False
-if the property was not defined or 
-.ZN True
-if it was defined.
-A set of predefined atoms exists for font properties,
-which can be found in
-.hN X11/Xatom.h .
-This set contains the standard properties associated with
-a font.
-Although it is not guaranteed,
-it is likely that the predefined font properties will be present.
-.LP
-The
-.ZN XUnloadFont
-function deletes the association between the font resource ID and the specified font.
-The font itself will be freed when no other resource references it.
-The font should not be referenced again.
-.LP
-.ZN XUnloadFont
-can generate a
-.ZN BadFont 
-error.
-.SH STRUCTURES
-The
-.ZN XFontStruct
-structure contains all of the information for the font
-and consists of the font-specific information as well as
-a pointer to an array of
-.ZN XCharStruct
-structures for the
-characters contained in the font.
-The
-.ZN XFontStruct ,
-.ZN XFontProp ,
-and
-.ZN XCharStruct
-structures contain:
-.LP
-.IN "XCharStruct" "" "@DEF@"
-.EX
-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) */
-} XCharStruct;
-.EE
-.LP
-.IN "XFontProp" "" "@DEF@"
-.EX
-typedef struct {
-	Atom	name;
-	unsigned long card32;
-} XFontProp;
-.EE
-.LP
-.IN "XChar2b" "" "@DEF@"
-.EX
-typedef struct {	/\&* normal 16 bit characters are two bytes */
-    unsigned char byte1;
-    unsigned char byte2;
-} XChar2b;
-.EE
-.LP
-.IN "XFontStruct" "" "@DEF@"
-.EX
-typedef struct {
-	XExtData *ext_data;	/\&* hook for extension to hang data */
-	Font fid;	/\&* Font id for this font */
-	unsigned direction;	/\&* hint about the direction 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 */
-	Bool all_chars_exist;	/\&* flag if all characters have nonzero size */
-	unsigned default_char;	/\&* char to print for undefined character */
-	int n_properties;	/\&* how many properties there are */
-	XFontProp *properties;	/\&* pointer to array of additional properties */
-	XCharStruct min_bounds;	/\&* minimum bounds over all existing char */
-	XCharStruct max_bounds;	/\&* maximum bounds over all existing char */
-	XCharStruct *per_char;	/\&* first_char to last_char information */
-	int ascent;	/\&* logical extent above baseline for spacing */
-	int descent;	/\&* logical decent below baseline for spacing */
-} XFontStruct;
-.EE
-.LP
-X supports single byte/character, two bytes/character matrix,
-and 16-bit character text operations.
-Note that any of these forms can be used with a font, but a
-single byte/character text request can only specify a single byte
-(that is, the first row of a 2-byte font).
-You should view 2-byte fonts as a two-dimensional matrix of defined
-characters: byte1 specifies the range of defined rows and
-byte2 defines the range of defined columns of the font.
-Single byte/character fonts have one row defined, and the byte2 range
-specified in the structure defines a range of characters.
-.LP
-The bounding box of a character is defined by the 
-.ZN XCharStruct 
-of that character.
-When characters are absent from a font,
-the default_char is used.
-When fonts have all characters of the same size,
-only the information in the
-.ZN XFontStruct
-min and max bounds are used.
-.LP
-The members of the 
-.ZN XFontStruct 
-have the following semantics:
-.IP \(bu 5
-The direction member can be either 
-.ZN FontLeftToRight 
-or 
-.ZN FontRightToLeft . 
-It is just a hint as to whether most 
-.ZN XCharStruct 
-elements 
-have a positive 
-.Pn ( FontLeftToRight ) 
-or a negative 
-.Pn ( FontRightToLeft )
-character width 
-metric.
-The core protocol defines no support for vertical text.
-.IP \(bu 5
-If the min_byte1 and max_byte1 members are both zero, min_char_or_byte2
-specifies the linear character index corresponding to the first element
-of the per_char array, and max_char_or_byte2 specifies the linear character
-index of the last element.
-.IP
-If either min_byte1 or max_byte1 are nonzero, both
-min_char_or_byte2 and max_char_or_byte2 are less than 256, 
-and the 2-byte character index values corresponding to the
-per_char array element N (counting from 0) are:
-.IP
-.EX
-	byte1 = N/D + min_byte1
-	byte2 = N\\D + min_char_or_byte2
-.EE
-where:
-.EX
-        D = max_char_or_byte2 \- min_char_or_byte2 + 1
-        / = integer division
-        \e\e = integer modulus
-.EE
-.IP \(bu 5
-If the per_char pointer is NULL, 
-all glyphs between the first and last character indexes
-inclusive have the same information,
-as given by both min_bounds and max_bounds.
-.IP \(bu 5
-If all_chars_exist is 
-.ZN True ,
-all characters in the per_char array have nonzero bounding boxes.
-.IP \(bu 5
-The default_char member specifies the character that will be used when an
-undefined or nonexistent character is printed.  
-The default_char is a 16-bit character (not a 2-byte character).
-For a font using 2-byte matrix format, 
-the default_char has byte1 in the most-significant byte
-and byte2 in the least significant byte.
-If the default_char itself specifies an undefined or nonexistent character, 
-no printing is performed for an undefined or nonexistent character.
-.IP \(bu 5
-The min_bounds and max_bounds members contain the most extreme values of
-each individual 
-.ZN XCharStruct 
-component over all elements of this array
-(and ignore nonexistent characters).
-The bounding box of the font (the smallest
-rectangle enclosing the shape obtained by superimposing all of the
-characters at the same origin [x,y]) has its upper-left coordinate at:
-.Ds
-	[x + min_bounds.lbearing, y \- max_bounds.ascent]
-.De
-.IP
-Its width is:
-.Ds
-	max_bounds.rbearing \- min_bounds.lbearing
-.De
-.IP
-Its height is:
-.Ds
-	max_bounds.ascent + max_bounds.descent
-.De
-.IP \(bu 5
-The ascent member is the logical extent of the font above the baseline that is
-used for determining line spacing.
-Specific characters may extend beyond
-this.
-.IP \(bu 5
-The descent member is the logical extent of the font at or below the
-baseline that is used for determining line spacing.
-Specific characters may extend beyond this.
-.IP \(bu 5
-If the baseline is at Y-coordinate y,
-the logical extent of the font is inclusive between the Y-coordinate 
-values (y \- font.ascent) and (y + font.descent \- 1).
-Typically,
-the minimum interline spacing between rows of text is given
-by ascent + descent.
-.LP
-For a character origin at [x,y],
-the bounding box of a character (that is, 
-the smallest rectangle that encloses the character's shape)
-described in terms of 
-.ZN XCharStruct 
-components is a rectangle with its upper-left corner at:
-.LP
-.Ds
-[x + lbearing, y \- ascent]
-.De
-.LP
-Its width is:
-.LP
-.Ds
-rbearing \- lbearing
-.De
-.LP
-Its height is:
-.LP
-.Ds
-ascent + descent
-.De
-.LP
-The origin for the next character is defined to be:
-.LP
-.Ds
-[x + width, y]
-.De
-.LP
-The lbearing member defines the extent of the left edge of the character ink
-from the origin.
-The rbearing member defines the extent of the right edge of the character ink
-from the origin.
-The ascent member defines the extent of the top edge of the character ink
-from the origin.
-The descent member defines the extent of the bottom edge of the character ink
-from the origin.
-The width member defines the logical width of the character.
-.SH DIAGNOSTICS
-.TP 1i
-.ZN BadAlloc
-The server failed to allocate the requested resource or server memory.
-.TP 1i
-.ZN BadFont
-A value for a Font or GContext argument does not name a defined Font.
-.TP 1i
-.ZN BadName
-A font or color of the specified name does not exist.
-.SH "SEE ALSO"
-XCreateGC(__libmansuffix__),
-XListFonts(__libmansuffix__),
-XSetFontPath(__libmansuffix__)
-.br
-\fI\*(xL\fP
+.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1994, 1996 X Consortium

+.\"

+.\" Permission is hereby granted, free of charge, to any person obtaining

+.\" a copy of this software and associated documentation files (the

+.\" "Software"), to deal in the Software without restriction, including

+.\" without limitation the rights to use, copy, modify, merge, publish,

+.\" distribute, sublicense, and/or sell copies of the Software, and to

+.\" permit persons to whom the Software is furnished to do so, subject to

+.\" the following conditions:

+.\"

+.\" The above copyright notice and this permission notice shall be included

+.\" in all copies or substantial portions of the Software.

+.\"

+.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

+.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

+.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

+.\" IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR

+.\" OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,

+.\" ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

+.\" OTHER DEALINGS IN THE SOFTWARE.

+.\"

+.\" Except as contained in this notice, the name of the X Consortium shall

+.\" not be used in advertising or otherwise to promote the sale, use or

+.\" other dealings in this Software without prior written authorization

+.\" from the X Consortium.

+.\"

+.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991 by

+.\" Digital Equipment Corporation

+.\"

+.\" Portions Copyright \(co 1990, 1991 by

+.\" Tektronix, Inc.

+.\"

+.\" Permission to use, copy, modify and distribute this documentation for

+.\" any purpose and without fee is hereby granted, provided that the above

+.\" copyright notice appears in all copies and that both that copyright notice

+.\" and this permission notice appear in all copies, and that the names of

+.\" Digital and Tektronix not be used in in advertising or publicity pertaining

+.\" to this documentation without specific, written prior permission.

+.\" Digital and Tektronix makes no representations about the suitability

+.\" of this documentation for any purpose.

+.\" It is provided ``as is'' without express or implied warranty.

+.\" 

+.\"

+.ds xT X Toolkit Intrinsics \- C Language Interface

+.ds xW Athena X Widgets \- C Language X Toolkit Interface

+.ds xL Xlib \- C Language X Interface

+.ds xC Inter-Client Communication Conventions Manual

+.na

+.de Ds

+.nf

+.\\$1D \\$2 \\$1

+.ft 1

+.\".ps \\n(PS

+.\".if \\n(VS>=40 .vs \\n(VSu

+.\".if \\n(VS<=39 .vs \\n(VSp

+..

+.de De

+.ce 0

+.if \\n(BD .DF

+.nr BD 0

+.in \\n(OIu

+.if \\n(TM .ls 2

+.sp \\n(DDu

+.fi

+..

+.de FD

+.LP

+.KS

+.TA .5i 3i

+.ta .5i 3i

+.nf

+..

+.de FN

+.fi

+.KE

+.LP

+..

+.de IN		\" send an index entry to the stderr

+..

+.de C{

+.KS

+.nf

+.D

+.\"

+.\"	choose appropriate monospace font

+.\"	the imagen conditional, 480,

+.\"	may be changed to L if LB is too

+.\"	heavy for your eyes...

+.\"

+.ie "\\*(.T"480" .ft L

+.el .ie "\\*(.T"300" .ft L

+.el .ie "\\*(.T"202" .ft PO

+.el .ie "\\*(.T"aps" .ft CW

+.el .ft R

+.ps \\n(PS

+.ie \\n(VS>40 .vs \\n(VSu

+.el .vs \\n(VSp

+..

+.de C}

+.DE

+.R

+..

+.de Pn

+.ie t \\$1\fB\^\\$2\^\fR\\$3

+.el \\$1\fI\^\\$2\^\fP\\$3

+..

+.de ZN

+.ie t \fB\^\\$1\^\fR\\$2

+.el \fI\^\\$1\^\fP\\$2

+..

+.de hN

+.ie t <\fB\\$1\fR>\\$2

+.el <\fI\\$1\fP>\\$2

+..

+.de NT

+.ne 7

+.ds NO Note

+.if \\n(.$>$1 .if !'\\$2'C' .ds NO \\$2

+.if \\n(.$ .if !'\\$1'C' .ds NO \\$1

+.ie n .sp

+.el .sp 10p

+.TB

+.ce

+\\*(NO

+.ie n .sp

+.el .sp 5p

+.if '\\$1'C' .ce 99

+.if '\\$2'C' .ce 99

+.in +5n

+.ll -5n

+.R

+..

+.		\" Note End -- doug kraft 3/85

+.de NE

+.ce 0

+.in -5n

+.ll +5n

+.ie n .sp

+.el .sp 10p

+..

+.ny0

+.de EX

+.sp

+.nf

+.ft CW

+..

+.de EE

+.ft R

+.fi

+.sp

+..

+.TH XLoadFont __libmansuffix__ __xorgversion__ "XLIB FUNCTIONS"

+.SH NAME

+XLoadFont, XQueryFont, XLoadQueryFont, XFreeFont, XGetFontProperty, XUnloadFont, XCharStruct, XFontProp, XChar2b, XFontStruct \- load or unload fonts and font metric structures

+.SH SYNTAX

+.HP

+Font XLoadFont\^(\^Display *\fIdisplay\fP\^, char *\fIname\fP\^); 

+.HP

+XFontStruct *XQueryFont\^(\^Display *\fIdisplay\fP\^, XID \fIfont_ID\fP\^); 

+.HP

+XFontStruct *XLoadQueryFont\^(\^Display *\fIdisplay\fP\^, char

+*\fIname\fP\^); 

+.HP

+int XFreeFont\^(\^Display *\fIdisplay\fP\^, XFontStruct *\fIfont_struct\fP\^);

+.HP

+Bool XGetFontProperty\^(\^XFontStruct *\fIfont_struct\fP\^, Atom \fIatom\fP\^,

+unsigned long *\fIvalue_return\fP\^); 

+.HP

+int XUnloadFont\^(\^Display *\fIdisplay\fP\^, Font \fIfont\fP\^); 

+.SH ARGUMENTS

+.IP \fIatom\fP 1i

+Specifies the atom for the property name you want returned.

+.IP \fIdisplay\fP 1i

+Specifies the connection to the X server.

+.IP \fIfont\fP 1i

+Specifies the font.

+.IP \fIfont_ID\fP 1i

+Specifies the font ID or the 

+.ZN GContext

+ID.

+.IP \fIfont_struct\fP 1i

+Specifies the storage associated with the font.

+.IP \fIgc\fP 1i

+Specifies the GC.

+.IP \fIname\fP 1i

+Specifies the name of the font,

+which is a null-terminated string.

+.IP \fIvalue_return\fP 1i

+Returns the value of the font property.

+.SH DESCRIPTION

+The

+.ZN XLoadFont

+function loads the specified font and returns its associated font ID.

+If the font name is not in the Host Portable Character Encoding,

+the result is implementation-dependent.

+Use of uppercase or lowercase does not matter.

+When the characters ``?'' and ``*'' are used in a font name, a

+pattern match is performed and any matching font is used.

+In the pattern, 

+the ``?'' character will match any single character, 

+and the ``*'' character will match any number of characters.

+A structured format for font names is specified in the X Consortium standard 

+\fIX Logical Font Description Conventions\fP.

+If 

+.ZN XLoadFont

+was unsuccessful at loading the specified font, 

+a 

+.ZN BadName 

+error results.

+Fonts are not associated with a particular screen 

+and can be stored as a component

+of any GC.

+When the font is no longer needed, call 

+.ZN XUnloadFont .

+.LP

+.ZN XLoadFont

+can generate

+.ZN BadAlloc 

+and

+.ZN BadName 

+errors.

+.LP

+The

+.ZN XQueryFont

+function returns a pointer to the

+.ZN XFontStruct

+structure, which contains information associated with the font.

+You can query a font or the font stored in a GC.

+The font ID stored in the 

+.ZN XFontStruct

+structure will be the 

+.ZN GContext 

+ID, and you need to be careful when using this ID in other functions

+(see

+.ZN XGContextFromGC ).

+If the font does not exist,

+.ZN XQueryFont

+returns NULL.

+To free this data, use

+.ZN XFreeFontInfo .

+.LP

+.ZN XLoadQueryFont

+can generate a

+.ZN BadAlloc 

+error.

+.LP

+The

+.ZN XLoadQueryFont

+function provides the most common way for accessing a font.

+.ZN XLoadQueryFont

+both opens (loads) the specified font and returns a pointer to the

+appropriate

+.ZN XFontStruct

+structure.

+If the font name is not in the Host Portable Character Encoding,

+the result is implementation-dependent.

+If the font does not exist,

+.ZN XLoadQueryFont

+returns NULL.

+.LP

+The

+.ZN XFreeFont

+function deletes the association between the font resource ID and the specified 

+font and frees the

+.ZN XFontStruct

+structure.

+The font itself will be freed when no other resource references it.

+The data and the font should not be referenced again.

+.LP

+.ZN XFreeFont

+can generate a

+.ZN BadFont 

+error.

+.LP

+Given the atom for that property,

+the

+.ZN XGetFontProperty

+function returns the value of the specified font property. 

+.ZN XGetFontProperty

+also returns 

+.ZN False

+if the property was not defined or 

+.ZN True

+if it was defined.

+A set of predefined atoms exists for font properties,

+which can be found in

+.hN X11/Xatom.h .

+This set contains the standard properties associated with

+a font.

+Although it is not guaranteed,

+it is likely that the predefined font properties will be present.

+.LP

+The

+.ZN XUnloadFont

+function deletes the association between the font resource ID and the specified font.

+The font itself will be freed when no other resource references it.

+The font should not be referenced again.

+.LP

+.ZN XUnloadFont

+can generate a

+.ZN BadFont 

+error.

+.SH STRUCTURES

+The

+.ZN XFontStruct

+structure contains all of the information for the font

+and consists of the font-specific information as well as

+a pointer to an array of

+.ZN XCharStruct

+structures for the

+characters contained in the font.

+The

+.ZN XFontStruct ,

+.ZN XFontProp ,

+and

+.ZN XCharStruct

+structures contain:

+.LP

+.IN "XCharStruct" "" "@DEF@"

+.EX

+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) */

+} XCharStruct;

+.EE

+.LP

+.IN "XFontProp" "" "@DEF@"

+.EX

+typedef struct {

+	Atom	name;

+	unsigned long card32;

+} XFontProp;

+.EE

+.LP

+.IN "XChar2b" "" "@DEF@"

+.EX

+typedef struct {	/\&* normal 16 bit characters are two bytes */

+    unsigned char byte1;

+    unsigned char byte2;

+} XChar2b;

+.EE

+.LP

+.IN "XFontStruct" "" "@DEF@"

+.EX

+typedef struct {

+	XExtData *ext_data;	/\&* hook for extension to hang data */

+	Font fid;	/\&* Font id for this font */

+	unsigned direction;	/\&* hint about the direction 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 */

+	Bool all_chars_exist;	/\&* flag if all characters have nonzero size */

+	unsigned default_char;	/\&* char to print for undefined character */

+	int n_properties;	/\&* how many properties there are */

+	XFontProp *properties;	/\&* pointer to array of additional properties */

+	XCharStruct min_bounds;	/\&* minimum bounds over all existing char */

+	XCharStruct max_bounds;	/\&* maximum bounds over all existing char */

+	XCharStruct *per_char;	/\&* first_char to last_char information */

+	int ascent;	/\&* logical extent above baseline for spacing */

+	int descent;	/\&* logical decent below baseline for spacing */

+} XFontStruct;

+.EE

+.LP

+X supports single byte/character, two bytes/character matrix,

+and 16-bit character text operations.

+Note that any of these forms can be used with a font, but a

+single byte/character text request can only specify a single byte

+(that is, the first row of a 2-byte font).

+You should view 2-byte fonts as a two-dimensional matrix of defined

+characters: byte1 specifies the range of defined rows and

+byte2 defines the range of defined columns of the font.

+Single byte/character fonts have one row defined, and the byte2 range

+specified in the structure defines a range of characters.

+.LP

+The bounding box of a character is defined by the 

+.ZN XCharStruct 

+of that character.

+When characters are absent from a font,

+the default_char is used.

+When fonts have all characters of the same size,

+only the information in the

+.ZN XFontStruct

+min and max bounds are used.

+.LP

+The members of the 

+.ZN XFontStruct 

+have the following semantics:

+.IP \(bu 5

+The direction member can be either 

+.ZN FontLeftToRight 

+or 

+.ZN FontRightToLeft . 

+It is just a hint as to whether most 

+.ZN XCharStruct 

+elements 

+have a positive 

+.Pn ( FontLeftToRight ) 

+or a negative 

+.Pn ( FontRightToLeft )

+character width 

+metric.

+The core protocol defines no support for vertical text.

+.IP \(bu 5

+If the min_byte1 and max_byte1 members are both zero, min_char_or_byte2

+specifies the linear character index corresponding to the first element

+of the per_char array, and max_char_or_byte2 specifies the linear character

+index of the last element.

+.IP

+If either min_byte1 or max_byte1 are nonzero, both

+min_char_or_byte2 and max_char_or_byte2 are less than 256, 

+and the 2-byte character index values corresponding to the

+per_char array element N (counting from 0) are:

+.IP

+.EX

+	byte1 = N/D + min_byte1

+	byte2 = N\\D + min_char_or_byte2

+.EE

+where:

+.EX

+        D = max_char_or_byte2 \- min_char_or_byte2 + 1

+        / = integer division

+        \e\e = integer modulus

+.EE

+.IP \(bu 5

+If the per_char pointer is NULL, 

+all glyphs between the first and last character indexes

+inclusive have the same information,

+as given by both min_bounds and max_bounds.

+.IP \(bu 5

+If all_chars_exist is 

+.ZN True ,

+all characters in the per_char array have nonzero bounding boxes.

+.IP \(bu 5

+The default_char member specifies the character that will be used when an

+undefined or nonexistent character is printed.  

+The default_char is a 16-bit character (not a 2-byte character).

+For a font using 2-byte matrix format, 

+the default_char has byte1 in the most-significant byte

+and byte2 in the least significant byte.

+If the default_char itself specifies an undefined or nonexistent character, 

+no printing is performed for an undefined or nonexistent character.

+.IP \(bu 5

+The min_bounds and max_bounds members contain the most extreme values of

+each individual 

+.ZN XCharStruct 

+component over all elements of this array

+(and ignore nonexistent characters).

+The bounding box of the font (the smallest

+rectangle enclosing the shape obtained by superimposing all of the

+characters at the same origin [x,y]) has its upper-left coordinate at:

+.Ds

+	[x + min_bounds.lbearing, y \- max_bounds.ascent]

+.De

+.IP

+Its width is:

+.Ds

+	max_bounds.rbearing \- min_bounds.lbearing

+.De

+.IP

+Its height is:

+.Ds

+	max_bounds.ascent + max_bounds.descent

+.De

+.IP \(bu 5

+The ascent member is the logical extent of the font above the baseline that is

+used for determining line spacing.

+Specific characters may extend beyond

+this.

+.IP \(bu 5

+The descent member is the logical extent of the font at or below the

+baseline that is used for determining line spacing.

+Specific characters may extend beyond this.

+.IP \(bu 5

+If the baseline is at Y-coordinate y,

+the logical extent of the font is inclusive between the Y-coordinate 

+values (y \- font.ascent) and (y + font.descent \- 1).

+Typically,

+the minimum interline spacing between rows of text is given

+by ascent + descent.

+.LP

+For a character origin at [x,y],

+the bounding box of a character (that is, 

+the smallest rectangle that encloses the character's shape)

+described in terms of 

+.ZN XCharStruct 

+components is a rectangle with its upper-left corner at:

+.LP

+.Ds

+[x + lbearing, y \- ascent]

+.De

+.LP

+Its width is:

+.LP

+.Ds

+rbearing \- lbearing

+.De

+.LP

+Its height is:

+.LP

+.Ds

+ascent + descent

+.De

+.LP

+The origin for the next character is defined to be:

+.LP

+.Ds

+[x + width, y]

+.De

+.LP

+The lbearing member defines the extent of the left edge of the character ink

+from the origin.

+The rbearing member defines the extent of the right edge of the character ink

+from the origin.

+The ascent member defines the extent of the top edge of the character ink

+from the origin.

+The descent member defines the extent of the bottom edge of the character ink

+from the origin.

+The width member defines the logical width of the character.

+.SH DIAGNOSTICS

+.TP 1i

+.ZN BadAlloc

+The server failed to allocate the requested resource or server memory.

+.TP 1i

+.ZN BadFont

+A value for a Font or GContext argument does not name a defined Font.

+.TP 1i

+.ZN BadName

+A font or color of the specified name does not exist.

+.SH "SEE ALSO"

+XCreateGC(__libmansuffix__),

+XListFonts(__libmansuffix__),

+XSetFontPath(__libmansuffix__)

+.br

+\fI\*(xL\fP