#ifndef COMBOHISTOGRAM_H

#define COMBOHISTOGRAM_H

#include "tcommon.h"

#include "traster.h"

#include "ttoonzimage.h"

#include "tpalette.h"

#include <qwidget></qwidget>

#include <qstackedwidget></qstackedwidget>

#undef DVAPI

#undef DVVAR

#ifdef TOONZQT_EXPORTS

#define DVAPI DV_EXPORT_API

#define DVVAR DV_EXPORT_VAR

#else

#define DVAPI DV_IMPORT_API

#define DVVAR DV_IMPORT_VAR

#endif

#ifdef _WIN32

#pragma warning(disable : 4251)

#endif

class QStackedWidget;

class QString;

class QComboBox;

class QColor;

class RGBLabel;

class QLabel;

#define COMBOHIST_RESOLUTION_W 256

#define COMBOHIST_RESOLUTION_H 100

//-----------------------------------------------------------------------------

//-----------------------------------------------------------------------------

// 120405

//-----------------------------------------------------------------------------

class DVAPI ComboHistoRGBLabel : public QWidget

{

	QColor m_color;

public:

	ComboHistoRGBLabel(QColor color, QWidget *parent);

	~ComboHistoRGBLabel() {}

	void setColorAndUpdate(QColor color);

protected:

	void paintEvent(QPaintEvent *pe);

};

//-----------------------------------------------------------------------------

class DVAPI ChannelHistoGraph : public QWidget

{

	Q_OBJECT

	QVector<int> m_values;</int>

	int m_pickedValue;

public:

	int *m_channelValuePtr;

	ChannelHistoGraph(QWidget *parent = 0, int *channelValue = 0);

	~ChannelHistoGraph();

	virtual void setValues();

	void showCurrentChannelValue(int val);

protected:

	virtual void paintEvent(QPaintEvent *event);

};

//-----------------------------------------------------------------------------

class DVAPI RGBHistoGraph : public ChannelHistoGraph

{

	Q_OBJECT

	QVector<int> m_rgbValues[3];</int>

	QImage m_histoImg;

public:

	RGBHistoGraph(QWidget *parent = 0, int *channelValue = 0);

	~RGBHistoGraph();

	void setValues();

protected:

	void paintEvent(QPaintEvent *event);

};

//-----------------------------------------------------------------------------

class DVAPI ChannelColorBar : public QWidget

{

	Q_OBJECT

	QColor m_color;

public:

	ChannelColorBar(QWidget *parent = 0, QColor m_color = QColor());

	~ChannelColorBar() {}

protected:

	void paintEvent(QPaintEvent *event);

};

//-----------------------------------------------------------------------------

class DVAPI ChannelHisto : public QWidget

{

	Q_OBJECT

	ChannelHistoGraph *m_histogramGraph;

	ChannelColorBar *m_colorBar;

public:

	ChannelHisto(int channelIndex, int *channelValue, QWidget *parent = 0);

	~ChannelHisto() {}

	void refleshValue()

	{

		m_histogramGraph->setValues();

	}

	void showCurrentChannelValue(int val);

protected slots:

	void onShowAlphaButtonToggled(bool visible);

};

//-----------------------------------------------------------------------------

class DVAPI ComboHistogram : public QWidget

{

	Q_OBJECT

	TRasterP m_raster;

	TPaletteP m_palette;

	//rgba channels

	int m_channelValue[4][COMBOHIST_RESOLUTION_W];

	//rgba channels + composited

	ChannelHisto *m_histograms[5];

	ComboHistoRGBLabel *m_rgbLabel;

	ComboHistoRGBLabel *m_rectAverageRgbLabel;

	QLabel *m_xPosLabel;

	QLabel *m_yPosLabel;

public:

	ComboHistogram(QWidget *parent = 0);

	~ComboHistogram();

	TRasterP getRaster() const { return m_raster; }

	void setRaster(const TRasterP &raster, const TPaletteP &palette = 0);

	void updateInfo(const TPixel32 &pix, const TPointD &imagePos);

	void updateAverageColor(const TPixel32 &pix);

protected:

	void computeChannelsValue();

};

#endif