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Member "SAOImageDS9/tk8.6/doc/GetCapStyl.3" (13 Nov 2019, 2049 Bytes) of package /linux/misc/ds9.8.1.tar.gz:


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Tk_GetCapStyle

NAME
SYNOPSIS
ARGUMENTS
DESCRIPTION
KEYWORDS

NAME

Tk_GetCapStyle, Tk_NameOfCapStyle − translate between strings and cap styles

SYNOPSIS

#include <tk.h>

int
Tk_GetCapStyle(
interp, string, capPtr)

const char *
Tk_NameOfCapStyle(
cap)

ARGUMENTS

Interpreter to use for error reporting. String containing name of cap style − one of or − or a unique abbreviation of one. Pointer to location in which to store X cap style corresponding to string. Cap style: one of CapButt, CapProjecting, or CapRound.

DESCRIPTION

Tk_GetCapStyle places in *capPtr the X cap style corresponding to string. This will be one of the values CapButt, CapProjecting, or CapRound. Cap styles are typically used in X graphics contexts to indicate how the end-points of lines should be capped. See the X documentation for information on what each style implies.

Under normal circumstances the return value is TCL_OK and interp is unused. If string does not contain a valid cap style or an abbreviation of one of these names, then an error message is stored in interpreter interp’s result, TCL_ERROR is returned, and *capPtr is unmodified.

Tk_NameOfCapStyle is the logical inverse of Tk_GetCapStyle. Given a cap style such as CapButt it returns a statically-allocated string corresponding to cap. If cap is not a legal cap style, then is returned.

KEYWORDS

butt, cap style, projecting, round