diff options
author | Klaus Schmidinger <vdr@tvdr.de> | 2018-04-06 08:51:16 +0200 |
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committer | Klaus Schmidinger <vdr@tvdr.de> | 2018-04-06 08:51:16 +0200 |
commit | bac9c655155d90c36f0111dbcda349e4a329d344 (patch) | |
tree | b36372f603bb4097243b111e54e95c5e2ec99a8b | |
parent | 5b9b09a90e6c4fcb7f1af59368d6255dc7a3b942 (diff) | |
download | vdr-bac9c655155d90c36f0111dbcda349e4a329d344.tar.gz vdr-bac9c655155d90c36f0111dbcda349e4a329d344.tar.bz2 |
Fixed scaling bitmaps with very small factors
-rw-r--r-- | CONTRIBUTORS | 1 | ||||
-rw-r--r-- | HISTORY | 3 | ||||
-rw-r--r-- | osd.c | 6 |
3 files changed, 7 insertions, 3 deletions
diff --git a/CONTRIBUTORS b/CONTRIBUTORS index 0aa8f74a..f1dfc088 100644 --- a/CONTRIBUTORS +++ b/CONTRIBUTORS @@ -1203,6 +1203,7 @@ Rolf Ahrenberg <Rolf.Ahrenberg@sci.fi> for suggesting to change the naming of "binary skip mode" to "adaptive skip mode" for adding a Status parameter to the interface of cDevice::SignalStats() and cDvbDevice::SignalStats() + for reporting a possible crash when scaling bitmaps with very small factors Ralf Klueber <ralf.klueber@vodafone.com> for reporting a bug in cutting a recording if there is only a single editing mark @@ -9317,7 +9317,7 @@ Video Disk Recorder Revision History - Modified cMenuTimers::Delete() to avoid a lengthy lock on the Timers list while prompting the user. -2018-04-05: Version 2.4.0 +2018-04-06: Version 2.4.0 - Updated the Ukrainian OSD texts (thanks to Yarema Aka Knedlyk). - Fixed processing SVDRP client responses in case the caller doesn't want the actual @@ -9338,3 +9338,4 @@ Video Disk Recorder Revision History - Fixed sluggish setting of editing marks and a jumping progress display with very short recordings (reported by Oliver Endriss). - Fixed updating the Schedule menu after editing a timer. +- Fixed scaling bitmaps with very small factors (reported by Rolf Ahrenberg). @@ -4,7 +4,7 @@ * See the main source file 'vdr.c' for copyright information and * how to reach the author. * - * $Id: osd.c 4.4 2018/01/25 15:09:09 kls Exp $ + * $Id: osd.c 4.5 2018/04/06 08:43:15 kls Exp $ */ #include "osd.h" @@ -839,7 +839,9 @@ cBitmap *cBitmap::Scaled(double FactorX, double FactorY, bool AntiAlias) const { // Fixed point scaling code based on www.inversereality.org/files/bitmapscaling.pdf // by deltener@mindtremors.com - cBitmap *b = new cBitmap(int(round(Width() * FactorX)), int(round(Height() * FactorY)), Bpp(), X0(), Y0()); + int w = max(1, int(round(Width() * FactorX))); + int h = max(1, int(round(Height() * FactorY))); + cBitmap *b = new cBitmap(w, h, Bpp(), X0(), Y0()); int RatioX = (Width() << 16) / b->Width(); int RatioY = (Height() << 16) / b->Height(); if (!AntiAlias || FactorX <= 1.0 && FactorY <= 1.0) { |