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author | Constantin Kaplinsky <const@tightvnc.com> | 2006-05-25 05:01:55 +0000 |
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committer | Constantin Kaplinsky <const@tightvnc.com> | 2006-05-25 05:01:55 +0000 |
commit | a2adc8d4cfdf7336ce9192414c5e775224742a97 (patch) | |
tree | 0fc9f229bd40a2de342d91338798033da8ebd7bc /common/rfb/ComparingUpdateTracker.h | |
parent | 4fc2026b9595e9425f50616d18781995aebe495b (diff) | |
download | tigervnc-a2adc8d4cfdf7336ce9192414c5e775224742a97.tar.gz tigervnc-a2adc8d4cfdf7336ce9192414c5e775224742a97.zip |
Migrating to new directory structure adopted from the RealVNC's source tree. More changes will follow.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@589 3789f03b-4d11-0410-bbf8-ca57d06f2519
Diffstat (limited to 'common/rfb/ComparingUpdateTracker.h')
-rw-r--r-- | common/rfb/ComparingUpdateTracker.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/common/rfb/ComparingUpdateTracker.h b/common/rfb/ComparingUpdateTracker.h new file mode 100644 index 00000000..5d2e5edf --- /dev/null +++ b/common/rfb/ComparingUpdateTracker.h @@ -0,0 +1,43 @@ +/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved. + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This software is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this software; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + * USA. + */ + +#ifndef __RFB_COMPARINGUPDATETRACKER_H__ +#define __RFB_COMPARINGUPDATETRACKER_H__ + +#include <rfb/UpdateTracker.h> + +namespace rfb { + + class ComparingUpdateTracker : public SimpleUpdateTracker { + public: + ComparingUpdateTracker(PixelBuffer* buffer); + ~ComparingUpdateTracker(); + + // compare() does the comparison and reduces its changed and copied regions + // as appropriate. + + virtual void compare(); + private: + void compareRect(const Rect& r, Region* newchanged); + PixelBuffer* fb; + ManagedPixelBuffer oldFb; + bool firstCompare; + }; + +} +#endif |