From 02b914d3b9b658a16e17cf2d95deede75dbbacc9 Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 27 Aug 2012 08:17:50 +0200 Subject: xwininfo fontconfig libX11 libXau libXext libxcb mesa pixman xkeyboard-config git update 27 Aug 2012 --- libX11/man/XDrawArc.man | 617 ++++++++++++++++++++++-------------------------- 1 file changed, 278 insertions(+), 339 deletions(-) (limited to 'libX11/man/XDrawArc.man') diff --git a/libX11/man/XDrawArc.man b/libX11/man/XDrawArc.man index e20692ddc..e916187bf 100644 --- a/libX11/man/XDrawArc.man +++ b/libX11/man/XDrawArc.man @@ -1,339 +1,278 @@ -'\" e -.\" 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 -.. -'\" e -.TH XDrawArc __libmansuffix__ __xorgversion__ "XLIB FUNCTIONS" -.SH NAME -XDrawArc, XDrawArcs, XArc \- draw arcs and arc structure -.SH SYNTAX -.HP -int XDrawArc\^(\^Display *\fIdisplay\fP\^, Drawable \fId\fP\^, GC \fIgc\fP\^, -int \fIx\fP\^, int \fIy\fP\^, unsigned int \fIwidth\fP\^, unsigned int -\fIheight\fP\^, int \fIangle1\fP\^, int \fIangle2\fP\^); -.HP -int XDrawArcs\^(\^Display *\fIdisplay\fP\^, Drawable \fId\fP\^, GC \fIgc\fP\^, -XArc *\fIarcs\fP\^, int \fInarcs\fP\^); -.SH ARGUMENTS -.IP \fIangle1\fP 1i -Specifies the start of the arc relative to the three-o'clock position -from the center, in units of degrees * 64. -.IP \fIangle2\fP 1i -Specifies the path and extent of the arc relative to the start of the -arc, in units of degrees * 64. -.IP \fIarcs\fP 1i -Specifies an array of arcs. -.IP \fId\fP 1i -Specifies the drawable. -.IP \fIdisplay\fP 1i -Specifies the connection to the X server. -.IP \fIgc\fP 1i -Specifies the GC. -.IP \fInarcs\fP 1i -Specifies the number of arcs in the array. -.ds Wh , which are the major and minor axes of the arc -.IP \fIwidth\fP 1i -.br -.ns -.IP \fIheight\fP 1i -Specify the width and height\*(Wh. -.ds Xy , which are relative to the origin of the drawable \ -and specify the upper-left corner of the bounding rectangle -.IP \fIx\fP 1i -.br -.ns -.IP \fIy\fP 1i -Specify the x and y coordinates\*(Xy. -.SH DESCRIPTION -.EQ -delim %% -.EN -.ZN XDrawArc -draws a single circular or elliptical arc, and -.ZN XDrawArcs -draws multiple circular or elliptical arcs. -Each arc is specified by a rectangle and two angles. -The center of the circle or ellipse is the center of the -rectangle, and the major and minor axes are specified by the width and height. -Positive angles indicate counterclockwise motion, -and negative angles indicate clockwise motion. -If the magnitude of angle2 is greater than 360 degrees, -.ZN XDrawArc -or -.ZN XDrawArcs -truncates it to 360 degrees. -.LP -For an arc specified as %[ ~x, ~y, ~width , ~height, ~angle1, ~angle2 ]%, -the origin of the major and minor axes is at -% [ x +^ {width over 2} , ~y +^ {height over 2} ]%, -and the infinitely thin path describing the entire circle or ellipse -intersects the horizontal axis at % [ x, ~y +^ {height over 2} ]% and -% [ x +^ width , ~y +^ { height over 2 }] % -and intersects the vertical axis at % [ x +^ { width over 2 } , ~y ]% and -% [ x +^ { width over 2 }, ~y +^ height ]%. -These coordinates can be fractional -and so are not truncated to discrete coordinates. -The path should be defined by the ideal mathematical path. -For a wide line with line-width lw, -the bounding outlines for filling are given -by the two infinitely thin paths consisting of all points whose perpendicular -distance from the path of the circle/ellipse is equal to lw/2 -(which may be a fractional value). -The cap-style and join-style are applied the same as for a line -corresponding to the tangent of the circle/ellipse at the endpoint. -.LP -For an arc specified as % [ ~x, ~y, ~width, ~height, ~angle1, ~angle2 ]%, -the angles must be specified -in the effectively skewed coordinate system of the ellipse (for a -circle, the angles and coordinate systems are identical). The -relationship between these angles and angles expressed in the normal -coordinate system of the screen (as measured with a protractor) is as -follows: -.LP -.Ds -% roman "skewed-angle" ~ = ~ atan left ( tan ( roman "normal-angle" ) - * width over height right ) +^ adjust% -.De -.LP -The skewed-angle and normal-angle are expressed in radians (rather -than in degrees scaled by 64) in the range % [ 0 , ~2 pi ]% and where atan -returns a value in the range % [ - pi over 2 , ~pi over 2 ] % -and adjust is: -.LP -.TS -l l. -%0% for normal-angle in the range % [ 0 , ~pi over 2 ]% -%pi% for normal-angle in the range % [ pi over 2 , ~{3 pi} over 2 ]% -%2 pi% for normal-angle in the range % [ {3 pi} over 2 , ~2 pi ]% -.TE -.LP -For any given arc, -.ZN XDrawArc -and -.ZN XDrawArcs -do not draw a pixel more than once. -If two arcs join correctly and if the line-width is greater than zero -and the arcs intersect, -.ZN XDrawArc -and -.ZN XDrawArcs -do not draw a pixel more than once. -Otherwise, -the intersecting pixels of intersecting arcs are drawn multiple times. -Specifying an arc with one endpoint and a clockwise extent draws the same pixels -as specifying the other endpoint and an equivalent counterclockwise extent, -except as it affects joins. -.LP -If the last point in one arc coincides with the first point in the following -arc, the two arcs will join correctly. -If the first point in the first arc coincides with the last point in the last -arc, the two arcs will join correctly. -By specifying one axis to be zero, a horizontal or vertical line can be -drawn. -Angles are computed based solely on the coordinate system and ignore the -aspect ratio. -.LP -Both functions use these GC components: -function, plane-mask, line-width, line-style, cap-style, join-style, -fill-style, subwindow-mode, clip-x-origin, clip-y-origin, and clip-mask. -They also use these GC mode-dependent components: -foreground, background, tile, stipple, tile-stipple-x-origin, -tile-stipple-y-origin, dash-offset, and dash-list. -.LP -.ZN XDrawArc -and -.ZN XDrawArcs -can generate -.ZN BadDrawable , -.ZN BadGC , -and -.ZN BadMatch -errors. -.SH STRUCTURES -The -.ZN XArc -structure contains: -.LP -.EX -typedef struct { - short x, y; - unsigned short width, height; - short angle1, angle2; /\&* Degrees * 64 */ -} XArc; -.EE -.LP -All x and y members are signed integers. -The width and height members are 16-bit unsigned integers. -You should be careful not to generate coordinates and sizes -out of the 16-bit ranges, because the protocol only has 16-bit fields -for these values. -.SH DIAGNOSTICS -.TP 1i -.ZN BadDrawable -A value for a Drawable argument does not name a defined Window or Pixmap. -.TP 1i -.ZN BadGC -A value for a GContext argument does not name a defined GContext. -.TP 1i -.ZN BadMatch -An -.ZN InputOnly -window is used as a Drawable. -.TP 1i -.ZN BadMatch -Some argument or pair of arguments has the correct type and range but fails -to match in some other way required by the request. -.SH "SEE ALSO" -XDrawLine(__libmansuffix__), -XDrawPoint(__libmansuffix__), -XDrawRectangle(__libmansuffix__) -.br -\fI\*(xL\fP +'\" e +.\" 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 CW +.\".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 IN \" send an index entry to the stderr +.. +.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 +.. +.ny0 +.de EX +.sp +.nf +.ft CW +.. +.de EE +.ft R +.fi +.sp +.. +'\" e +.TH XDrawArc __libmansuffix__ __xorgversion__ "XLIB FUNCTIONS" +.SH NAME +XDrawArc, XDrawArcs, XArc \- draw arcs and arc structure +.SH SYNTAX +.HP +int XDrawArc\^(\^Display *\fIdisplay\fP\^, Drawable \fId\fP\^, GC \fIgc\fP\^, +int \fIx\fP\^, int \fIy\fP\^, unsigned int \fIwidth\fP\^, unsigned int +\fIheight\fP\^, int \fIangle1\fP\^, int \fIangle2\fP\^); +.HP +int XDrawArcs\^(\^Display *\fIdisplay\fP\^, Drawable \fId\fP\^, GC \fIgc\fP\^, +XArc *\fIarcs\fP\^, int \fInarcs\fP\^); +.SH ARGUMENTS +.IP \fIangle1\fP 1i +Specifies the start of the arc relative to the three-o'clock position +from the center, in units of degrees * 64. +.IP \fIangle2\fP 1i +Specifies the path and extent of the arc relative to the start of the +arc, in units of degrees * 64. +.IP \fIarcs\fP 1i +Specifies an array of arcs. +.IP \fId\fP 1i +Specifies the drawable. +.IP \fIdisplay\fP 1i +Specifies the connection to the X server. +.IP \fIgc\fP 1i +Specifies the GC. +.IP \fInarcs\fP 1i +Specifies the number of arcs in the array. +.ds Wh , which are the major and minor axes of the arc +.IP \fIwidth\fP 1i +.br +.ns +.IP \fIheight\fP 1i +Specify the width and height\*(Wh. +.ds Xy , which are relative to the origin of the drawable \ +and specify the upper-left corner of the bounding rectangle +.IP \fIx\fP 1i +.br +.ns +.IP \fIy\fP 1i +Specify the x and y coordinates\*(Xy. +.SH DESCRIPTION +.EQ +delim %% +.EN +.ZN XDrawArc +draws a single circular or elliptical arc, and +.ZN XDrawArcs +draws multiple circular or elliptical arcs. +Each arc is specified by a rectangle and two angles. +The center of the circle or ellipse is the center of the +rectangle, and the major and minor axes are specified by the width and height. +Positive angles indicate counterclockwise motion, +and negative angles indicate clockwise motion. +If the magnitude of angle2 is greater than 360 degrees, +.ZN XDrawArc +or +.ZN XDrawArcs +truncates it to 360 degrees. +.LP +For an arc specified as %[ ~x, ~y, ~width , ~height, ~angle1, ~angle2 ]%, +the origin of the major and minor axes is at +% [ x +^ {width over 2} , ~y +^ {height over 2} ]%, +and the infinitely thin path describing the entire circle or ellipse +intersects the horizontal axis at % [ x, ~y +^ {height over 2} ]% and +% [ x +^ width , ~y +^ { height over 2 }] % +and intersects the vertical axis at % [ x +^ { width over 2 } , ~y ]% and +% [ x +^ { width over 2 }, ~y +^ height ]%. +These coordinates can be fractional +and so are not truncated to discrete coordinates. +The path should be defined by the ideal mathematical path. +For a wide line with line-width lw, +the bounding outlines for filling are given +by the two infinitely thin paths consisting of all points whose perpendicular +distance from the path of the circle/ellipse is equal to lw/2 +(which may be a fractional value). +The cap-style and join-style are applied the same as for a line +corresponding to the tangent of the circle/ellipse at the endpoint. +.LP +For an arc specified as % [ ~x, ~y, ~width, ~height, ~angle1, ~angle2 ]%, +the angles must be specified +in the effectively skewed coordinate system of the ellipse (for a +circle, the angles and coordinate systems are identical). The +relationship between these angles and angles expressed in the normal +coordinate system of the screen (as measured with a protractor) is as +follows: +.LP +.Ds +% roman "skewed-angle" ~ = ~ atan left ( tan ( roman "normal-angle" ) + * width over height right ) +^ adjust% +.De +.LP +The skewed-angle and normal-angle are expressed in radians (rather +than in degrees scaled by 64) in the range % [ 0 , ~2 pi ]% and where atan +returns a value in the range % [ - pi over 2 , ~pi over 2 ] % +and adjust is: +.LP +.TS +l l. +%0% for normal-angle in the range % [ 0 , ~pi over 2 ]% +%pi% for normal-angle in the range % [ pi over 2 , ~{3 pi} over 2 ]% +%2 pi% for normal-angle in the range % [ {3 pi} over 2 , ~2 pi ]% +.TE +.LP +For any given arc, +.ZN XDrawArc +and +.ZN XDrawArcs +do not draw a pixel more than once. +If two arcs join correctly and if the line-width is greater than zero +and the arcs intersect, +.ZN XDrawArc +and +.ZN XDrawArcs +do not draw a pixel more than once. +Otherwise, +the intersecting pixels of intersecting arcs are drawn multiple times. +Specifying an arc with one endpoint and a clockwise extent draws the same pixels +as specifying the other endpoint and an equivalent counterclockwise extent, +except as it affects joins. +.LP +If the last point in one arc coincides with the first point in the following +arc, the two arcs will join correctly. +If the first point in the first arc coincides with the last point in the last +arc, the two arcs will join correctly. +By specifying one axis to be zero, a horizontal or vertical line can be +drawn. +Angles are computed based solely on the coordinate system and ignore the +aspect ratio. +.LP +Both functions use these GC components: +function, plane-mask, line-width, line-style, cap-style, join-style, +fill-style, subwindow-mode, clip-x-origin, clip-y-origin, and clip-mask. +They also use these GC mode-dependent components: +foreground, background, tile, stipple, tile-stipple-x-origin, +tile-stipple-y-origin, dash-offset, and dash-list. +.LP +.ZN XDrawArc +and +.ZN XDrawArcs +can generate +.ZN BadDrawable , +.ZN BadGC , +and +.ZN BadMatch +errors. +.SH STRUCTURES +The +.ZN XArc +structure contains: +.LP +.EX +typedef struct { + short x, y; + unsigned short width, height; + short angle1, angle2; /\&* Degrees * 64 */ +} XArc; +.EE +.LP +All x and y members are signed integers. +The width and height members are 16-bit unsigned integers. +You should be careful not to generate coordinates and sizes +out of the 16-bit ranges, because the protocol only has 16-bit fields +for these values. +.SH DIAGNOSTICS +.TP 1i +.ZN BadDrawable +A value for a Drawable argument does not name a defined Window or Pixmap. +.TP 1i +.ZN BadGC +A value for a GContext argument does not name a defined GContext. +.TP 1i +.ZN BadMatch +An +.ZN InputOnly +window is used as a Drawable. +.TP 1i +.ZN BadMatch +Some argument or pair of arguments has the correct type and range but fails +to match in some other way required by the request. +.SH "SEE ALSO" +XDrawLine(__libmansuffix__), +XDrawPoint(__libmansuffix__), +XDrawRectangle(__libmansuffix__) +.br +\fI\*(xL\fP -- cgit v1.2.3