XDrawRectangle(3X11) SysV XDrawRectangle(3X11)
NAME
XDrawRectangle, XDrawRectangles - draw rectangles
SYNTAX
XDrawRectangle(display, d, gc, x, y, width, height)
Display *display;
Drawable d;
GC gc;
int x, y;
unsigned int width, height;
XDrawRectangles(display, d, gc, rectangles, nrectangles)
Display *display;
Drawable d;
GC gc;
XRectangle rectangles[];
int nrectangles;
ARGUMENTS
d Specifies the drawable.
display Specifies the connection to the X server.
gc Specifies the GC.
nrectangles
Specifies the number of rectangles in the array.
rectangles
Specifies a pointer to an array of rectangles.
width
height Specify the width and height, which specify the dimensions of
the rectangle.
x
y Specify the x and y coordinates, which specify the upper-left
corner of the rectangle.
DESCRIPTION
The XDrawRectangle and XDrawRectangles functions draw the outlines of the
specified rectangle or rectangles as if a five-point PolyLine protocol
request were specified for each rectangle:
[x,y] [x+width,y] [x+width,y+height] [x,y+height] [x,y]
For the specified rectangle or rectangles, these functions do not draw a
pixel more than once. XDrawRectangles draws the rectangles in the order
listed in the array. If rectangles intersect, the intersecting pixels
are drawn multiple times.
Both functions use these GC components: function, plane-mask, line-width,
line-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.
XDrawRectangle and XDrawRectangles can generate BadDrawable, BadGC, and
BadMatch errors.
DIAGNOSTICS
BadDrawable
A value for a Drawable argument does not name a defined Window
or Pixmap.
BadGC A value for a GContext argument does not name a defined
GContext.
BadMatch An InputOnly window is used as a Drawable.
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.
SEE ALSO
XDrawArc(3X11), XDrawLine(3X11), XDrawPoint(3X11)
Xlib - C Language X Interface