From a288a234ec5c11a0c077c818cc945001f51bbc48 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Martin=20v=2E=20L=C3=B6wis?= Date: Tue, 5 Nov 2002 22:11:50 +0000 Subject: Document that images go away when they go away. Fixes #632323. --- Doc/lib/tkinter.tex | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/Doc/lib/tkinter.tex b/Doc/lib/tkinter.tex index 8bb59d5..e577b28 100644 --- a/Doc/lib/tkinter.tex +++ b/Doc/lib/tkinter.tex @@ -881,6 +881,24 @@ that matches for menu items labelled \code{last}, \code{active}, or \end{itemize} \end{description} +\subsubsection{Images} + +Bitmap/Pixelmap images can be created through the subclasses of +\class{Tkinter.Image}: + +\begin{itemize} +\item \class{BitmapImage} can be used for X11 bitmap data. +\item \class{PhotoImage} can be used for GIF and PPM/PGM color bitmaps. +\end{itemize} + +Either type of image is created through either the \code{file} or the +\code{data} option (other options are available as well). + +The image object can then be used whereever an \code{image} option is +supported by some widget (e.g. labels, buttons, menus). In these +cases, Tk will not keep a reference to the image. When the last Python +reference to the image object is deleted, the image data is deleted as +well, and Tk will display an empty box wheerever the image was used. \section{\module{Tix} --- Extension widgets for Tk} -- cgit v0.12