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| author | jenglish <jenglish@flightlab.com> | 2008-05-23 17:58:05 (GMT) |
|---|---|---|
| committer | jenglish <jenglish@flightlab.com> | 2008-05-23 17:58:05 (GMT) |
| commit | 99711959d9accff6ee22ce2c51641def03871fce (patch) | |
| tree | 36a445930bc1120590c90e3563f67cce0d40a5a7 | |
| parent | 4ae9901aa2f631ac42deb3d94991a0ab9ec51664 (diff) | |
| download | tk-99711959d9accff6ee22ce2c51641def03871fce.zip tk-99711959d9accff6ee22ce2c51641def03871fce.tar.gz tk-99711959d9accff6ee22ce2c51641def03871fce.tar.bz2 | |
Avoid passing width or height <= 0 to Tk_RedrawImage,
as this leads to a panic on Windows [Bug 1967576]
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | generic/ttk/ttkLabel.c | 8 |
2 files changed, 12 insertions, 1 deletions
@@ -1,3 +1,8 @@ +2008-05-23 Joe English <jenglish@users.sourceforge.net> + + * generic/ttk/ttkLabel.c: Avoid passing width or height <= 0 to + Tk_RedrawImage, as this leads to a panic on Windows [Bug 1967576] + 2008-05-11 Pat Thoyts <patthoyts@users.sourceforge.net> * library/tk.tcl: Support for ttk widgets in AmpWidget diff --git a/generic/ttk/ttkLabel.c b/generic/ttk/ttkLabel.c index a95e305..ffc7928 100644 --- a/generic/ttk/ttkLabel.c +++ b/generic/ttk/ttkLabel.c @@ -1,4 +1,4 @@ -/* $Id: ttkLabel.c,v 1.11 2007/12/13 15:26:26 dgp Exp $ +/* $Id: ttkLabel.c,v 1.11.2.1 2008/05/23 17:58:08 jenglish Exp $ * * text, image, and label elements. * @@ -314,6 +314,12 @@ static void ImageDraw( height = Tk_Height(tkwin) - b.y; } + if (height <= 0 || width <= 0) { + /* Completely clipped - bail out. + */ + return; + } + Tk_RedrawImage(image->tkimg, 0,0, width, height, d, b.x, b.y); /* If we're disabled there's no state-specific 'disabled' image, |