1XFillRectangle(3)               XLIB FUNCTIONS               XFillRectangle(3)
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3
4

NAME

6       XFillRectangle,  XFillRectangles,  XFillPolygon,  XFillArc, XFillArcs -
7       fill rectangles, polygons, or arcs
8

SYNTAX

10       int XFillRectangle(Display *display, Drawable d, GC gc, int x,  int  y,
11              unsigned int width, unsigned int height);
12
13       int  XFillRectangles(Display  *display,  Drawable  d, GC gc, XRectangle
14              *rectangles, int nrectangles);
15
16       int XFillPolygon(Display *display, Drawable d, GC gc,  XPoint  *points,
17              int npoints, int shape, int mode);
18
19       int  XFillArc(Display  *display,  Drawable  d,  GC  gc,  int  x, int y,
20              unsigned  int  width,  unsigned  int  height,  int  angle1,  int
21              angle2);
22
23       int  XFillArcs(Display  *display,  Drawable  d,  GC gc, XArc *arcs, int
24              narcs);
25

ARGUMENTS

27       angle1    Specifies the start of the arc relative to the  three-o'clock
28                 position from the center, in units of degrees * 64.
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30       angle2    Specifies  the  path  and  extent  of the arc relative to the
31                 start of the arc, in units of degrees * 64.
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33       arcs      Specifies an array of arcs.
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35       d         Specifies the drawable.
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37       display   Specifies the connection to the X server.
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39       gc        Specifies the GC.
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41       mode      Specifies the coordinate mode.  You can pass  CoordModeOrigin
42                 or CoordModePrevious.
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44       narcs     Specifies the number of arcs in the array.
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46       npoints   Specifies the number of points in the array.
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48       nrectangles
49                 Specifies the number of rectangles in the array.
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51       points    Specifies an array of points.
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53       rectangles
54                 Specifies an array of rectangles.
55
56       shape     Specifies  a  shape  that helps the server to improve perfor‐
57                 mance.  You can pass Complex, Convex, or Nonconvex.
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59       width
60       height    Specify the width and height, which are the dimensions of the
61                 rectangle  to  be  filled  or the major and minor axes of the
62                 arc.
63
64       x
65       y         Specify the x and y coordinates, which are  relative  to  the
66                 origin  of  the drawable and specify the upper-left corner of
67                 the rectangle.
68

DESCRIPTION

70       The XFillRectangle and XFillRectangles  functions  fill  the  specified
71       rectangle or rectangles as if a four-point FillPolygon protocol request
72       were specified for each rectangle:
73
74       [x,y] [x+width,y] [x+width,y+height] [x,y+height]
75
76       Each function uses the x and y coordinates,  width  and  height  dimen‐
77       sions, and GC you specify.
78
79       XFillRectangles  fills the rectangles in the order listed in the array.
80       For any given rectangle, XFillRectangle and XFillRectangles do not draw
81       a pixel more than once.  If rectangles intersect, the intersecting pix‐
82       els are drawn multiple times.
83
84       Both functions use these GC  components:  function,  plane-mask,  fill-
85       style,  subwindow-mode,  clip-x-origin,  clip-y-origin,  and clip-mask.
86       They also use these GC  mode-dependent  components:  foreground,  back‐
87       ground,  tile,  stipple, tile-stipple-x-origin, and tile-stipple-y-ori‐
88       gin.
89
90       XFillRectangle and XFillRectangles can generate BadDrawable, BadGC, and
91       BadMatch errors.
92
93       XFillPolygon  fills  the region closed by the specified path.  The path
94       is closed automatically if the last point in the list does not coincide
95       with the first point.  XFillPolygon does not draw a pixel of the region
96       more than once.  CoordModeOrigin treats all coordinates as relative  to
97       the  origin,  and  CoordModePrevious  treats  all coordinates after the
98       first as relative to the previous point.
99
100       Depending on the specified shape, the following occurs:
101
102       ·    If shape is Complex, the path may self-intersect.  Note that  con‐
103            tiguous  coincident  points  in  the path are not treated as self-
104            intersection.
105
106       ·    If shape is Convex, for every pair of points inside  the  polygon,
107            the  line segment connecting them does not intersect the path.  If
108            known by the client, specifying Convex  can  improve  performance.
109            If  you specify Convex for a path that is not convex, the graphics
110            results are undefined.
111
112       ·    If shape is Nonconvex, the path does not self-intersect,  but  the
113            shape  is  not  wholly convex.  If known by the client, specifying
114            Nonconvex instead of Complex  may  improve  performance.   If  you
115            specify  Nonconvex  for  a  self-intersecting  path,  the graphics
116            results are undefined.
117
118       The fill-rule of the GC controls the filling  behavior  of  self-inter‐
119       secting polygons.
120
121       This  function  uses  these  GC components: function, plane-mask, fill-
122       style, fill-rule,  subwindow-mode,  clip-x-origin,  clip-y-origin,  and
123       clip-mask.   It  also  uses  these  GC mode-dependent components: fore‐
124       ground, background, tile,  stipple,  tile-stipple-x-origin,  and  tile-
125       stipple-y-origin.
126
127       XFillPolygon  can  generate  BadDrawable, BadGC, BadMatch, and BadValue
128       errors.
129
130       For each arc, XFillArc or XFillArcs fills the region closed by the  in‐
131       finitely thin path described by the specified arc and, depending on the
132       arc-mode specified in the GC, one or two line segments.  For  ArcChord,
133       the  single line segment joining the endpoints of the arc is used.  For
134       ArcPieSlice, the two line segments joining the  endpoints  of  the  arc
135       with  the center point are used.  XFillArcs fills the arcs in the order
136       listed in the array.  For any given arc, XFillArc and XFillArcs do  not
137       draw  a  pixel  more than once.  If regions intersect, the intersecting
138       pixels are drawn multiple times.
139
140       Both functions use these GC  components:  function,  plane-mask,  fill-
141       style,  arc-mode,  subwindow-mode,  clip-x-origin,  clip-y-origin,  and
142       clip-mask.  They also use these  GC  mode-dependent  components:  fore‐
143       ground,  background,  tile,  stipple,  tile-stipple-x-origin, and tile-
144       stipple-y-origin.
145
146       XFillArc and XFillArcs can generate BadDrawable,  BadGC,  and  BadMatch
147       errors.
148

DIAGNOSTICS

150       BadDrawable
151                 A  value for a Drawable argument does not name a defined Win‐
152                 dow or Pixmap.
153
154       BadGC     A value for a GContext argument does not name a defined GCon‐
155                 text.
156
157       BadMatch  An InputOnly window is used as a Drawable.
158
159       BadMatch  Some  argument  or pair of arguments has the correct type and
160                 range but fails to match in some other way  required  by  the
161                 request.
162
163       BadValue  Some numeric value falls outside the range of values accepted
164                 by the request.  Unless a specific range is specified for  an
165                 argument,  the  full  range defined by the argument's type is
166                 accepted.  Any argument defined as a set of alternatives  can
167                 generate this error.
168

SEE ALSO

170       XDrawArc(3), XDrawPoint(3), XDrawRectangle(3)
171       Xlib - C Language X Interface
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175X Version 11                     libX11 1.6.12               XFillRectangle(3)
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