diff options
Diffstat (limited to 'doc/MeasureChar.3')
| -rw-r--r-- | doc/MeasureChar.3 | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/doc/MeasureChar.3 b/doc/MeasureChar.3 index 7433451..3959978 100644 --- a/doc/MeasureChar.3 +++ b/doc/MeasureChar.3 @@ -3,7 +3,7 @@ '\" '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. -'\" +'\" .TH Tk_MeasureChars 3 8.1 Tk "Tk Library Procedures" .so man.macros .BS @@ -32,7 +32,7 @@ returned by a previous call to \fBTk_GetFont\fR. Text to be measured or displayed. Need not be null terminated. Any non-printing meta-characters in the string (such as tabs, newlines, and other control characters) will be measured or displayed in a -platform-dependent manner. +platform-dependent manner. .AP int numBytes in The maximum number of bytes to consider when measuring or drawing \fIstring\fR. Must be greater than or equal to 0. @@ -60,11 +60,11 @@ Display on which to draw. .AP Drawable drawable in Window or pixmap in which to draw. .AP GC gc in -Graphics context for drawing characters. The font selected into this GC +Graphics context for drawing characters. The font selected into this GC must be the same as the \fItkfont\fR. .AP int "x, y" in Coordinates at which to place the left edge of the baseline when displaying -\fIstring\fR. +\fIstring\fR. .AP int firstByte in The index of the first byte of the first character to underline in the \fIstring\fR. Underlining begins at the left edge of this character. @@ -80,7 +80,7 @@ single-line strings. To measure and display single-font, multi-line, justified text, refer to the documentation for \fBTk_ComputeTextLayout\fR. There is no programming interface in the core of Tk that supports multi-font, multi-line text; support for that behavior must be built on -top of simpler layers. +top of simpler layers. Note that the interfaces described here are byte-oriented not character-oriented, so index values coming from Tcl scripts need to be converted to byte offsets using the @@ -95,7 +95,7 @@ escape sequences, while under Windows and Macintosh hollow or solid boxes may be substituted. Refer to the documentation for \fBTk_ComputeTextLayout\fR for a programming interface that supports the platform-independent expansion of tab characters into columns and -newlines/returns into multi-line text. +newlines/returns into multi-line text. .PP \fBTk_MeasureChars\fR is used both to compute the length of a given string and to compute how many characters from a string fit in a given @@ -106,12 +106,12 @@ value will be \fInumBytes\fR. \fI*lengthPtr\fR is filled with the computed width, in pixels, of the portion of the string that was measured. For example, if the return value is 5, then \fI*lengthPtr\fR is filled with the distance between the left edge of \fIstring\fR[0] and the right edge of -\fIstring\fR[4]. +\fIstring\fR[4]. .PP \fBTk_TextWidth\fR is a wrapper function that provides a simpler interface to the \fBTk_MeasureChars\fR function. The return value is how much space in pixels the given \fIstring\fR needs. -.PP +.PP \fBTk_DrawChars\fR draws the \fIstring\fR at the given location in the given \fIdrawable\fR. .PP @@ -120,7 +120,7 @@ given \fIstring\fR. It does not draw the characters (which are assumed to have been displayed previously by \fBTk_DrawChars\fR); it just draws the underline. This procedure is used to underline a few characters without having to construct an underlined font. To produce natively underlined -text, the appropriate underlined font should be constructed and used. +text, the appropriate underlined font should be constructed and used. .SH "SEE ALSO" font(n), FontId(3) .SH KEYWORDS |