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| author | Klaus Schmidinger <vdr@tvdr.de> | 2013-05-18 12:43:41 +0200 |
|---|---|---|
| committer | Klaus Schmidinger <vdr@tvdr.de> | 2013-05-18 12:43:41 +0200 |
| commit | 0d14872adcb767a729808618a1385ad4bdafb277 (patch) | |
| tree | 94d9df8c4efb9c6d78afaab5b480483220d60beb | |
| parent | 90f4648a7c49ec8350e159fa9d29bb60c4f0b77a (diff) | |
| download | vdr-0d14872adcb767a729808618a1385ad4bdafb277.tar.gz vdr-0d14872adcb767a729808618a1385ad4bdafb277.tar.bz2 | |
Fixed an endless loop in the DrawEllipse() functions for very small ellipses
| -rw-r--r-- | CONTRIBUTORS | 1 | ||||
| -rw-r--r-- | HISTORY | 4 | ||||
| -rw-r--r-- | osd.c | 10 |
3 files changed, 9 insertions, 6 deletions
diff --git a/CONTRIBUTORS b/CONTRIBUTORS index 2b1f8df4..3f8cfb90 100644 --- a/CONTRIBUTORS +++ b/CONTRIBUTORS @@ -3146,6 +3146,7 @@ Zoran Turalija <zoran.turalija@gmail.com> Stefan Braun <louis.braun@gmx.de> for reporting an endless loop in cTextWrapper::Set() in case the given Width is smaller than one character + for reporting an endless loop in the DrawEllipse() functions for very small ellipses Jochen Dolze <vdr@dolze.de> for changing cThread::SetIOPriority() from "best effort class" to "idle class" in order @@ -7795,7 +7795,7 @@ Video Disk Recorder Revision History improve overall performance when an editing process is running (thanks to Jochen Dolze). -2013-05-02: Version 2.0.2 +2013-05-18: Version 2.0.2 - Fixed multiple occurrences of the same directory in the recordings list in case there are directories that only differ in non-alphanumeric characters (was broken by @@ -7808,3 +7808,5 @@ Video Disk Recorder Revision History one single sequence. - Fixed an error message when parsing SCR values in diseqc.conf. - Fixed an unexpected RCS version tag in the newplugin script. +- Fixed an endless loop in the DrawEllipse() functions for very small ellipses (reported + by Stefan Braun). @@ -4,7 +4,7 @@ * See the main source file 'vdr.c' for copyright information and * how to reach the author. * - * $Id: osd.c 2.38 2013/02/14 15:50:19 kls Exp $ + * $Id: osd.c 2.38.1.1 2013/05/18 12:41:48 kls Exp $ */ #include "osd.h" @@ -639,8 +639,8 @@ void cBitmap::DrawEllipse(int x1, int y1, int x2, int y2, tColor Color, int Quad case 8: cy = y1; rx /= 2; break; default: ; } - int TwoASquare = 2 * rx * rx; - int TwoBSquare = 2 * ry * ry; + int TwoASquare = max(1, 2 * rx * rx); + int TwoBSquare = max(1, 2 * ry * ry); int x = rx; int y = 0; int XChange = ry * ry * (1 - 2 * rx); @@ -1380,8 +1380,8 @@ void cPixmapMemory::DrawEllipse(const cRect &Rect, tColor Color, int Quadrants) case 8: cy = y1; rx /= 2; break; default: ; } - int TwoASquare = 2 * rx * rx; - int TwoBSquare = 2 * ry * ry; + int TwoASquare = max(1, 2 * rx * rx); + int TwoBSquare = max(1, 2 * ry * ry); int x = rx; int y = 0; int XChange = ry * ry * (1 - 2 * rx); |