236 lines
5.2 KiB
Plaintext
236 lines
5.2 KiB
Plaintext
.ds xT X Toolkit Intrinsics \- C Language Interface
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.ds xW Athena X Widgets \- C Language X Toolkit Interface
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.ds xL Xlib \- C Language X Interface
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.ds xC Inter-Client Communication Conventions Manual
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.na
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.de Ds
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.ny0
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.TH XDrawRectangle 3X11 "Release 5" "X Version 11" "XLIB FUNCTIONS"
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.SH NAME
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XDrawRectangle, XDrawRectangles, XRectangle \- draw rectangles and rectangles structure
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.SH SYNTAX
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.\" $Header: XRectangle.f,v 1.1 88/02/26 10:02:37 mento Exp $
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XDrawRectangle\^(\^\fIdisplay\fP, \fId\fP\^, \fIgc\fP\^, \fIx\fP\^, \fIy\fP\^, \fIwidth\fP\^, \fIheight\fP\^)
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.br
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Display *\fIdisplay\fP\^;
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.br
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Drawable \fId\fP\^;
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.br
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GC \fIgc\fP\^;
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.br
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int \fIx\fP\^, \fIy\fP\^;
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.br
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unsigned int \fIwidth\fP\^, \fIheight\fP\^;
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.LP
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.\" $Header: XRectangles.f,v 1.1 88/02/26 10:02:38 mento Exp $
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XDrawRectangles\^(\^\fIdisplay\fP, \fId\fP\^, \fIgc\fP\^, \fIrectangles\fP\^, \fInrectangles\fP\^)
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.br
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Display *\fIdisplay\fP\^;
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.br
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Drawable \fId\fP\^;
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.br
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GC \fIgc\fP\^;
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.br
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XRectangle \fIrectangles\fP\^[\^]\^;
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.br
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int \fInrectangles\fP\^;
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.SH ARGUMENTS
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.\" $Header: d.a,v 1.1 88/02/26 10:04:25 mento Exp $
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.IP \fId\fP 1i
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Specifies the drawable.
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.\" $Header: display.a,v 1.1 88/02/26 10:26:29 mento Exp $
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.IP \fIdisplay\fP 1i
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Specifies the connection to the X server.
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.\" $Header: gc.a,v 1.2 88/05/09 11:20:34 mento Exp $
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.IP \fIgc\fP 1i
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Specifies the GC.
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.\" $Header: nrectangles.a,v 1.1 88/02/26 10:29:47 mento Exp $
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.IP \fInrectangles\fP 1i
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Specifies the number of rectangles in the array.
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.\" $Header: rectangles.a,v 1.1 88/02/26 10:30:50 mento Exp $
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.IP \fIrectangles\fP 1i
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Specifies an array of rectangles.
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.ds Wh , which specify the dimensions of the rectangle
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.\" $Header: w+h_gen.a,v 1.2 88/08/04 11:21:28 mento Exp $
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.IP \fIwidth\fP 1i
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.br
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.ns
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.IP \fIheight\fP 1i
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Specify the width and height\*(Wh.
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.ds Xy , which specify the upper-left corner of the rectangle
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.\" $Header: xy_gen.a,v 1.2 88/08/04 11:22:37 mento Exp $
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.IP \fIx\fP 1i
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.br
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.ns
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.IP \fIy\fP 1i
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Specify the x and y coordinates\*(Xy.
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.SH DESCRIPTION
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.\" $Header: XRectangle.d,v 1.4 88/06/11 07:52:48 mento Exp $
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The
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.ZN XDrawRectangle
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and
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.ZN XDrawRectangles
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functions draw the outlines of the specified rectangle or rectangles as
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if a five-point
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.ZN PolyLine
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protocol request were specified for each rectangle:
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.IP
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[x,y] [x+width,y] [x+width,y+height] [x,y+height] [x,y]
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.LP
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For the specified rectangle or rectangles,
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these functions do not draw a pixel more than once.
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.ZN XDrawRectangles
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draws the rectangles in the order listed in the array.
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If rectangles intersect,
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the intersecting pixels are drawn multiple times.
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.LP
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Both functions use these GC components:
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function, plane-mask, line-width,
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line-style, cap-style, join-style, fill-style,
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subwindow-mode, clip-x-origin, clip-y-origin, and clip-mask.
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They also use these GC mode-dependent components:
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foreground, background, tile, stipple, tile-stipple-x-origin,
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tile-stipple-y-origin, dash-offset, and dash-list.
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.LP
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.ZN XDrawRectangle
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and
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.ZN XDrawRectangles
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can generate
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.ZN BadDrawable ,
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.ZN BadGC ,
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and
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.ZN BadMatch
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errors.
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.SH STRUCTURES
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The
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.ZN XRectangle
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structure contains:
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.LP
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.Ds 0
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.TA .5i
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.ta .5i
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typedef struct {
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short x, y;
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unsigned short width, height;
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} XRectangle;
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.De
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.LP
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All x and y members are signed integers.
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The width and height members are 16-bit unsigned integers.
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You should be careful not to generate coordinates and sizes
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out of the 16-bit ranges, because the protocol only has 16-bit fields
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for these values.
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.SH DIAGNOSTICS
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.\" $Header: baddrawable.e,v 1.1 87/09/04 08:22:59 mento Exp $
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.TP 1i
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.ZN BadDrawable
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A value for a Drawable argument does not name a defined Window or Pixmap.
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.\" $Header: badgc.e,v 1.1 87/09/04 08:23:02 mento Locked $
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.TP 1i
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.ZN BadGC
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A value for a GContext argument does not name a defined GContext.
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.\" $Header: badmatch1.e,v 1.3 87/09/09 18:18:54 mento Exp $
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.TP 1i
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.ZN BadMatch
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An
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.ZN InputOnly
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window is used as a Drawable.
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.\" $Header: badmatch2.e,v 1.3 87/09/11 11:53:42 mento Exp $
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.TP 1i
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.ZN BadMatch
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Some argument or pair of arguments has the correct type and range but fails
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to match in some other way required by the request.
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.SH "SEE ALSO"
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XDrawArc(3X11),
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XDrawLine(3X11),
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XDrawPoint(3X11)
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.br
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\fI\*(xL\fP
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