1 /*
2  * This file is part of Krita
3  *
4  * Copyright (c) 2006 Cyrille Berger <cberger@cberger.net>
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, write to the Free Software
18  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19  */
20 
21 #ifndef KIS_UNSHARP_FILTER_H
22 #define KIS_UNSHARP_FILTER_H
23 
24 #include "filter/kis_filter.h"
25 
26 class KisUnsharpFilter : public KisFilter
27 {
28 public:
29 
30     KisUnsharpFilter();
31 
32     void processImpl(KisPaintDeviceSP device,
33                      const QRect& applyRect,
34                      const KisFilterConfigurationSP config,
35                      KoUpdater* progressUpdater
36                      ) const override;
37 
id()38     static inline KoID id() {
39         return KoID("unsharp", i18n("Unsharp Mask"));
40     }
41 
42     KisConfigWidget * createConfigurationWidget(QWidget* parent, const KisPaintDeviceSP dev, bool useForMasks) const override;
43     KisFilterConfigurationSP defaultConfiguration() const override;
44 
45     QRect changedRect(const QRect & rect, const KisFilterConfigurationSP _config, int lod) const override;
46     QRect neededRect(const QRect & rect, const KisFilterConfigurationSP _config, int lod) const override;
47 
48 private:
49     void processLightnessOnly(KisPaintDeviceSP device,
50                               const QRect &rect,
51                               quint8 threshold,
52                               qreal weights[2],
53                               qreal factor,
54                               const QBitArray &channelFlags, KoUpdater *progressUpdater) const;
55 
56     void processRaw(KisPaintDeviceSP device,
57                     const QRect &rect,
58                     quint8 threshold,
59                     qreal weights[2],
60                     qreal factor,
61                     const QBitArray &channelFlags, KoUpdater *progressUpdater) const;
62 };
63 
64 #endif
65