84 lines
2.9 KiB
Groff
84 lines
2.9 KiB
Groff
.\" Copyright 1993 X Consortium
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.\"
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.\" Permission is hereby granted, free of charge, to any person obtaining
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.\" a copy of this software and associated documentation files (the
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.\" "Software"), to deal in the Software without restriction, including
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.\" without limitation the rights to use, copy, modify, merge, publish,
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.\" distribute, sublicense, and/or sell copies of the Software, and to
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.\" permit persons to whom the Software is furnished to do so, subject to
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.\" the following conditions:
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.\"
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.\" The above copyright notice and this permission notice shall be
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.\" included in all copies or substantial portions of the Software.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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.\" EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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.\" IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
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.\" OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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.\" ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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.\" OTHER DEALINGS IN THE SOFTWARE.
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.\"
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.\" Except as contained in this notice, the name of the X Consortium shall
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.\" not be used in advertising or otherwise to promote the sale, use or
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.\" other dealings in this Software without prior written authorization
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.\" from the X Consortium.
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.\"
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.ds tk X Toolkit
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.ds xT X Toolkit Intrinsics \- C Language Interface
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.ds xI Intrinsics
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.ds xW X Toolkit Athena Widgets \- C Language 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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.ds Rn 3
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.ds Vn 2.2
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.hw XtGet-GC XtRelease-GC wid-get
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.na
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.TH XtGetGC __libmansuffix__ __xorgversion__ "XT FUNCTIONS"
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.SH NAME
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XtGetGC, XtReleaseGC \- obtain and destroy a sharable GC
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.SH SYNTAX
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#include <X11/Intrinsic.h>
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.HP
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GC XtGetGC(Widget \fIw\fP, XtGCMask \fIvalue_mask\fP, XGCValues
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*\fIvalues\fP);
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.HP
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void XtReleaseGC(Widget \fIw\fP, GC \fIgc\fP);
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.SH ARGUMENTS
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.IP \fIgc\fP 1i
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Specifies the GC to be deallocated.
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.IP \fIvalues\fP 1i
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Specifies the actual values for this GC.
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.IP \fIvalue_mask\fP 1i
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Specifies which fields of the values are specified.
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.IP \fIw\fP 1i
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Specifies the widget.
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.SH DESCRIPTION
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The
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.B XtGetGC
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function returns a sharable, read-only GC.
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The parameters to this function are the same as those for
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.B XCreateGC
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except that a widget is passed instead of a display.
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.B XtGetGC
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shares only GCs in which all values in the GC returned by
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.B XCreateGC
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are the same.
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In particular, it does not use the value_mask provided to
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determine which fields of the GC a widget considers relevant.
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The value_mask is used only to tell the server which fields should be
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filled in with widget data and which it should fill in with default values.
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For further information about value_mask and values,
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see
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.B XCreateGC
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in the \fI\*(xL\fP.
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.LP
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The
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.B XtReleaseGC
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function deallocate the specified shared GC.
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.SH "SEE ALSO"
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.br
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\fI\*(xT\fP
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.br
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\fI\*(xL\fP
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