Mercurial > cpython-lru_cache-weakref
diff Doc/lib/tkinter.tex @ 26057:13b2ec536e07 legacy-trunk
Document that images go away when they go away. Fixes #632323.
| author | Martin v. Löwis <martin@v.loewis.de> |
|---|---|
| date | Tue, 05 Nov 2002 22:11:50 +0000 |
| parents | 28cff60a6097 |
| children | 951dacc21847 |
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--- a/Doc/lib/tkinter.tex Tue Nov 05 21:44:06 2002 +0000 +++ b/Doc/lib/tkinter.tex Tue Nov 05 22:11:50 2002 +0000 @@ -881,6 +881,24 @@ \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}
