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'\"
'\" Copyright (c) 2004 Joe English
'\"
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
'\" RCS: @(#) $Id: ttk_image.n,v 1.7 2007/10/22 14:33:13 dkf Exp $
'\"
.so man.macros
.TH ttk_image n 8.5 Tk "Tk Themed Widget"
.BS
.SH NAME
ttk_image \- Define an element based on an image
.SH SYNOPSIS
\fBttk::style element create \fIname\fR \fBimage\fR \fIimageSpec\fR ?\fIoptions\fR?
.BE
.SH DESCRIPTION
The \fIimage\fR element factory creates a new element in the current theme
whose visual appearance is determined by Tk images. \fIimageSpec\fP is a list
of one or more elements. The first element is the default image name. The rest
of the list is a sequence of \fIstatespec / value\fR pairs specifying other
images to use when the element is in a particular state or combination of
states.
.SH OPTIONS
Valid \fIoptions\fR are:
.TP
\fB\-border\fR \fIpadding\fR
.
\fIpadding\fR is a list of up to four integers, specifying the left, top,
right, and bottom borders, respectively. See \fBIMAGE STRETCHING\fR, below.
.TP
\fB\-height \fIheight\fR
.
Specifies a minimum height for the element. If less than zero, the base
image's height is used as a default.
.TP
\fB\-padding\fR \fIpadding\fR
.
Specifies the element's interior padding. Defaults to \fI\-border\fR if not
specified.
.TP
\fB\-sticky\fR \fIspec\fR
.
Specifies how the image is placed within the final parcel. \fIspec\fR contains
zero or more characters "n", "s", "w", or "e".
.TP
\fB\-width \fIwidth\fR
.
Specifies a minimum width for the element. If less than zero, the base image's
width is used as a default.
.SH "IMAGE STRETCHING"
If the element's allocated parcel is larger than the image, the image will be
placed in the parcel based on the \fB\-sticky\fR option. If the image needs to
stretch horizontally (i.e., \fB\-sticky ew\fR) or vertically (\fB\-sticky
ns\fR), subregions of the image are replicated to fill the parcel based on the
\fB\-border\fR option. The \fB\-border\fR divides the image into 9 regions:
four fixed corners, top and left edges (which may be tiled horizontally), left
and right edges (which may be tiled vertically), and the central area (which
may be tiled in both directions).
.SH "EXAMPLE"
.CS
set img1 [image create photo -file button.png]
set img2 [image create photo -file button-pressed.png]
set img3 [image create photo -file button-active.png]
style element create Button.button image \e
[list $img1 pressed $img2 active $img3] \e
-border {2 4} -sticky we
.CE
.SH "SEE ALSO"
image(n), photo(n)
.SH KEYWORDS
pixmap theme, image
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