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-'\"
-'\" Copyright (c) 1994 The Regents of the University of California.
-'\" Copyright (c) 1994-1996 Sun Microsystems, Inc.
-'\"
-'\" See the file "license.terms" for information on usage and redistribution
-'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
-.TH Tk_ImageChanged 3 4.0 Tk "Tk Library Procedures"
-.so man.macros
-.BS
-.SH NAME
-Tk_ImageChanged \- notify widgets that image needs to be redrawn
-.SH SYNOPSIS
-.nf
-\fB#include <tk.h>\fR
-.sp
-\fBTk_ImageChanged\fR(\fIimageMaster, x, y, width, height, imageWidth, imageHeight\fR)
-.SH ARGUMENTS
-.AS Tk_ImageMaster imageHeight
-.AP Tk_ImageMaster imageMaster in
-Token for image, which was passed to image's \fIcreateProc\fR when
-the image was created.
-.AP int x in
-X-coordinate of upper-left corner of region that needs redisplay (measured
-from upper-left corner of image).
-.AP int y in
-Y-coordinate of upper-left corner of region that needs redisplay (measured
-from upper-left corner of image).
-.AP "int" width in
-Width of region that needs to be redrawn, in pixels.
-.AP "int" height in
-Height of region that needs to be redrawn, in pixels.
-.AP "int" imageWidth in
-Current width of image, in pixels.
-.AP "int" imageHeight in
-Current height of image, in pixels.
-.BE
-.SH DESCRIPTION
-.PP
-An image manager calls \fBTk_ImageChanged\fR for an image
-whenever anything happens that requires the image to be redrawn.
-As a result of calling \fBTk_ImageChanged\fR, any widgets using
-the image are notified so that they can redisplay themselves
-appropriately.
-The \fIimageMaster\fR argument identifies the image, and
-\fIx\fR, \fIy\fR, \fIwidth\fR, and \fIheight\fR
-specify a rectangular region within the image that needs to
-be redrawn.
-\fIimageWidth\fR and \fIimageHeight\fR specify the image's (new) size.
-.PP
-An image manager should call \fBTk_ImageChanged\fR during
-its \fIcreateProc\fR to specify the image's initial size and to
-force redisplay if there are existing instances for the image.
-If any of the pixel values in the image should change later on,
-\fBTk_ImageChanged\fR should be called again with \fIx\fR, \fIy\fR,
-\fIwidth\fR, and \fIheight\fR values that cover all the pixels
-that changed.
-If the size of the image should change, then \fBTk_ImageChanged\fR
-must be called to indicate the new size, even if no pixels
-need to be redisplayed.
-.SH "SEE ALSO"
-Tk_CreateImageType
-.SH KEYWORDS
-images, redisplay, image size changes