From 2652f3815730b047a1d7a1b8be97accec9da4d85 Mon Sep 17 00:00:00 2001 From: jenglish Date: Fri, 23 May 2008 17:58:32 +0000 Subject: Avoid passing width or height <= 0 to Tk_RedrawImage, as this leads to a panic on Windows [Bug 1967576] --- ChangeLog | 6 ++++++ generic/ttk/ttkLabel.c | 8 +++++++- 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/ChangeLog b/ChangeLog index f7cd6a5..1468ecc 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2008-05-23 Joe English + + * generic/ttk/ttkLabel.c: Avoid passing width or height <= 0 to + Tk_RedrawImage, as this leads to a panic on Windows [Bug 1967576] + 2008-05-16 Pat Thoyts * library/ttk/xpTheme.tcl: Add correct border to combobox on Vista @@ -28,6 +33,7 @@ * doc/ttk_*: 'identify' widget command is on all ttk widgets. +>>>>>>> 1.1929 2008-05-04 Joe English * macosx/ttkMacOSAquaTheme.c: "default" and "focus" adornments diff --git a/generic/ttk/ttkLabel.c b/generic/ttk/ttkLabel.c index a95e305..3c7902e 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 1.12 2008/05/23 17:58:33 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, -- cgit v0.12