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104 lines
3.7 KiB
104 lines
3.7 KiB
15 years ago
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/*
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* Copyright (c) 2005 Bart Coppens <kde@bartcoppens.be>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef _KIS_HISTOGRAM_VIEW_
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#define _KIS_HISTOGRAM_VIEW_
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#include <qlabel.h>
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#include <qpixmap.h>
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#include <qvaluevector.h>
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#include <qstringlist.h>
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#include "kis_types.h"
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#include "kis_histogram_producer.h"
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#include "kis_histogram.h"
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class KisChannelInfo;
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/**
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* This class displays a histogram. It has a list of channels it can select. The easy
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* way is to display channelStrings() to the user, and then use a setActiveChannel
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* with the integer the same as the one the selected string in that stringlist has.
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* If the selected one is a producer, the histogram will automatically display all its
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* channels, and color them if that is possible.
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*
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* You can also set the channels manually, just don't forget that the displayed channels
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* all need to belong to the same producer! If you set them manually, don't forget to set
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* the (non)usage of color as well.
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*
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* You can either set this to use a specific layer, or use a specific histogram. With the latter,
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* some functionality will disappear, like listProducers(). Setting a histogram will discard
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* info on the layer, and setting a layer will discard info on the histogram.
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**/
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class KisHistogramView : public QLabel {
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Q_OBJECT
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public:
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KisHistogramView(QWidget *parent = 0, const char *name = 0, WFlags f = 0);
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virtual ~KisHistogramView();
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void setPaintDevice(KisPaintDeviceSP dev);
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void setHistogram(KisHistogramSP histogram);
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void setView(double from, double size);
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KisHistogramProducerSP currentProducer();
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QStringList channelStrings();
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/** Lists all producers currently available */
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KisIDList listProducers();
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/** Sets the currently displayed channels to channels of the producer with producerID as ID*/
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void setCurrentChannels(const KisID& producerID, QValueVector<KisChannelInfo *> channels);
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/** Be careful, producer will be modified */
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void setCurrentChannels(KisHistogramProducerSP producer, QValueVector<KisChannelInfo *> channels);
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bool hasColor();
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void setColor(bool set);
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public slots:
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void setActiveChannel(int channel);
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void setHistogramType(enumHistogramType type);
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void updateHistogram();
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signals:
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void rightClicked(const QPoint& pos);
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protected:
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virtual void mousePressEvent(QMouseEvent * e);
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private:
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void setChannels();
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void addProducerChannels(KisHistogramProducerSP producer);
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typedef struct {
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bool isProducer;
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KisHistogramProducerSP producer;
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KisChannelInfo * channel;
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} ComboboxInfo;
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QValueVector<ComboboxInfo> m_comboInfo;
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QPixmap m_pix;
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KisHistogramSP m_histogram;
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KisColorSpace* m_cs;
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KisHistogramProducerSP m_currentProducer;
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QValueVector<KisChannelInfo *> m_channels;
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// Maps the channels in m_channels to a real channel offset in the producer->channels()
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QValueVector<Q_INT32> m_channelToOffset;
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QStringList m_channelStrings;
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bool m_color;
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double m_from;
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double m_width;
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};
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#endif // _KIS_HISTOGRAM_VIEW_
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