annotate layer/ImageRegionFinder.h @ 789:9fd1bdf214dd tonioni

Play pointer: when user drags pane during playback such that the pointer is no longer visible, accept that and stop trying to track it until pointer naturally comes back within visible area
author Chris Cannam
date Thu, 12 Jun 2014 12:48:11 +0100
parents 86a112b5b319
children 05d614f6e46d
rev   line source
Chris@283 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@283 2
Chris@283 3 /*
Chris@283 4 Sonic Visualiser
Chris@283 5 An audio file viewer and annotation editor.
Chris@283 6 Centre for Digital Music, Queen Mary, University of London.
Chris@283 7 This file copyright 2007 QMUL.
Chris@283 8
Chris@283 9 This program is free software; you can redistribute it and/or
Chris@283 10 modify it under the terms of the GNU General Public License as
Chris@283 11 published by the Free Software Foundation; either version 2 of the
Chris@283 12 License, or (at your option) any later version. See the file
Chris@283 13 COPYING included with this distribution for more information.
Chris@283 14 */
Chris@283 15
Chris@283 16 #ifndef _IMAGE_REGION_FINDER_H_
Chris@283 17 #define _IMAGE_REGION_FINDER_H_
Chris@283 18
Chris@283 19 #include <QColor>
Chris@283 20 #include <QRect>
Chris@283 21
Chris@283 22 class QImage;
Chris@283 23
Chris@283 24 class ImageRegionFinder
Chris@283 25 {
Chris@283 26 public:
Chris@283 27 ImageRegionFinder();
Chris@283 28 virtual ~ImageRegionFinder();
Chris@283 29
Chris@283 30 QRect findRegionExtents(QImage *image, QPoint origin) const;
Chris@283 31
Chris@283 32 protected:
Chris@283 33 bool similar(QRgb a, QRgb b) const;
Chris@283 34 };
Chris@283 35
Chris@283 36 #endif
Chris@283 37