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GNU/Linux |
CentOS 2.1AS(Slurm) |
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Tk_NameOfCapStyle(3) |
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Tk_GetCapStyle, Tk_NameOfCapStyle − translate between strings and cap styles
#include <tk.h>
int
Tk_GetCapStyle(interp, string, capPtr)
char *
Tk_NameOfCapStyle(cap)
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Tcl_Interp *interp (in) |
Interpreter to use for error reporting. | ||
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char *string (in) |
String containing name of cap style: one of ’’’butt’’, ’’projecting’’, or ’’round’’. | ||
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int *capPtr (out) |
Pointer to location in which to store X cap style corresponding to string. | ||
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int cap (in) |
Cap style: one of CapButt, CapProjecting, or CapRound. |
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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 doesn’t contain a valid cap style or an abbreviation of one of these names, then an error message is stored in interp->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 isn’t a legal cap style, then ’’unknown cap style’’ is returned.
butt, cap style, projecting, round
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Tk_NameOfCapStyle(3) | |