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#pragma once
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#ifndef COMBOHISTOGRAM_H
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#define COMBOHISTOGRAM_H
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#include "tcommon.h"
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#include "traster.h"
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#include "ttoonzimage.h"
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#include "tpalette.h"
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#include <qwidget></qwidget>
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#include <qstackedwidget></qstackedwidget>
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#undef DVAPI
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#undef DVVAR
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#ifdef TOONZQT_EXPORTS
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#define DVAPI DV_EXPORT_API
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#define DVVAR DV_EXPORT_VAR
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#else
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#define DVAPI DV_IMPORT_API
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#define DVVAR DV_IMPORT_VAR
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#endif
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e280ae
#ifdef _MSC_VER
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#pragma warning(disable : 4251)
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#endif
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class QStackedWidget;
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class QString;
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class QComboBox;
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class QColor;
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class RGBLabel;
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class QLabel;
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#define COMBOHIST_RESOLUTION_W 256
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#define COMBOHIST_RESOLUTION_H 100
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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// 120405
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//-----------------------------------------------------------------------------
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class DVAPI ComboHistoRGBLabel final : public QWidget {
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  Q_OBJECT
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public:
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  enum DisplayMode { Display_8bit = 0, Display_16bit, Display_0_1 };
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private:
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  QColor m_color;
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  DisplayMode m_mode;
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public:
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  ComboHistoRGBLabel(QColor color, QWidget *parent);
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  ~ComboHistoRGBLabel() {}
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  void setColorAndUpdate(QColor color);
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  void setDisplayMode(DisplayMode mode) { m_mode = mode; }
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protected:
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  void paintEvent(QPaintEvent *pe) override;
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};
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//-----------------------------------------------------------------------------
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class DVAPI ChannelHistoGraph : public QWidget {
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  Q_OBJECT
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  QVector<int> m_values[2];  // 0: current raster 1: snapshot</int>
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  int m_maxValue[2];
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  int m_pickedValue;
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  int m_channelIndex;
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public:
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  bool *m_showComparePtr;
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  ChannelHistoGraph(int index, QWidget *parent = nullptr,
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                    bool *showComparePtr = nullptr);
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  ~ChannelHistoGraph();
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  virtual void setValues(int *buf, bool isComp);
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  void showCurrentChannelValue(int val);
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protected:
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  void paintEvent(QPaintEvent *event) override;
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};
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//-----------------------------------------------------------------------------
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class DVAPI RGBHistoGraph final : public ChannelHistoGraph {
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  Q_OBJECT
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  QVector<int> m_rgbValues[3];</int>
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  QImage m_histoImg;
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public:
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  RGBHistoGraph(int index, QWidget *parent = 0);
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  ~RGBHistoGraph();
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  void setValues(int *buf, bool isComp) override;
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protected:
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  void paintEvent(QPaintEvent *event) override;
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};
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//-----------------------------------------------------------------------------
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class DVAPI ChannelColorBar final : public QWidget {
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  Q_OBJECT
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  QColor m_color;
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public:
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  ChannelColorBar(QWidget *parent = 0, QColor m_color = QColor());
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  ~ChannelColorBar() {}
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protected:
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  void paintEvent(QPaintEvent *event) override;
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};
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//-----------------------------------------------------------------------------
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class DVAPI ChannelHisto final : public QWidget {
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  Q_OBJECT
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  ChannelHistoGraph *m_histogramGraph;
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  ChannelColorBar *m_colorBar;
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public:
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  ChannelHisto(int channelIndex, bool *showComparePtr, QWidget *parent = 0);
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  ~ChannelHisto() {}
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  void refleshValue(int *buf, bool isComp = false) {
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    m_histogramGraph->setValues(buf, isComp);
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  }
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  void showCurrentChannelValue(int val);
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protected slots:
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  void onShowAlphaButtonToggled(bool visible);
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};
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//-----------------------------------------------------------------------------
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class DVAPI ComboHistogram final : public QWidget {
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  Q_OBJECT
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  TRasterP m_raster;
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  TPaletteP m_palette;
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  // rgba channels
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  int m_channelValue[4][COMBOHIST_RESOLUTION_W];
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  // rgba channels + composited
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  ChannelHisto *m_histograms[5];
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  ComboHistoRGBLabel *m_rgbLabel;
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  ComboHistoRGBLabel *m_rectAverageRgbLabel;
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  QLabel *m_xPosLabel;
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  QLabel *m_yPosLabel;
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  QComboBox *m_displayModeCombo;
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  bool m_showCompare;
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  bool m_compHistoIsValid;
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  int m_channelValueComp[4][COMBOHIST_RESOLUTION_W];
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public:
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  ComboHistogram(QWidget *parent = 0);
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  ~ComboHistogram();
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  TRasterP getRaster() const { return m_raster; }
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  void setRaster(const TRasterP &raster, const TPaletteP &palette = 0);
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  void updateInfo(const TPixel32 &pix, const TPointD &imagePos);
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  void updateInfo(const TPixel64 &pix, const TPointD &imagePos);
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  void updateAverageColor(const TPixel32 &pix);
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  void updateAverageColor(const TPixel64 &pix);
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  void updateCompHistogram();
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  void setShowCompare(bool on) {
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    m_showCompare = on;
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    if (isVisible() && !m_compHistoIsValid) updateCompHistogram();
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  }
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  void invalidateCompHisto() {
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    m_compHistoIsValid = false;
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    if (isVisible() && m_showCompare) updateCompHistogram();
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  }
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protected:
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  void computeChannelsValue(int *buf, size_t size, TRasterP ras,
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                            TPalette *extPlt = nullptr);
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  void showEvent(QShowEvent *) override;
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protected slots:
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  void onDisplayModeChanged();
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};
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#endif