257 lines
7.5 KiB
C++
257 lines
7.5 KiB
C++
/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
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*
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* RawTherapee 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 3 of the License, or
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* (at your option) any later version.
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*
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* RawTherapee 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 RawTherapee. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef _HISTOGRAMPANEL_
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#define _HISTOGRAMPANEL_
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#include <gtkmm.h>
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#include <glibmm/ustring.h>
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#include <cairomm/cairomm.h>
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#include "../rtengine/LUT.h"
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#include "../rtengine/improccoordinator.h"
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#include "guiutils.h"
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#include "pointermotionlistener.h"
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#include "../rtengine/noncopyable.h"
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class HistogramArea;
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struct HistogramAreaIdleHelper {
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HistogramArea* harea;
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bool destroyed;
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int pending;
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};
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class HistogramRGBArea;
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struct HistogramRGBAreaIdleHelper {
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HistogramRGBArea* harea;
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bool destroyed;
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int pending;
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};
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class HistogramScaling
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{
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public:
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double factor;
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HistogramScaling() : factor(10.0) {}
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double log (double vsize, double val);
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};
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class HistogramRGBArea : public Gtk::DrawingArea, public BackBuffer, private HistogramScaling, public rtengine::NonCopyable
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{
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private:
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typedef const double (*TMatrix)[3];
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IdleRegister idle_register;
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protected:
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int val;
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int r;
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int g;
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int b;
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bool valid;
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bool needRed;
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bool needGreen;
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bool needBlue;
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bool needLuma;
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bool needChroma;
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bool rawMode;
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bool showMode;
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bool barDisplayed;
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Gtk::Grid* parent;
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HistogramRGBAreaIdleHelper* harih;
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public:
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HistogramRGBArea();
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~HistogramRGBArea() override;
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void updateBackBuffer (int r, int g, int b, const Glib::ustring &profile = "", const Glib::ustring &profileW = "");
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bool getShow ();
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void setParent (Gtk::Grid* p)
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{
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parent = p;
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};
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void update (int val, int rh, int gh, int bh);
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void updateOptions (bool r, bool g, bool b, bool l, bool c, bool raw, bool show);
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void on_realize() override;
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bool on_draw(const ::Cairo::RefPtr< Cairo::Context> &cr) override;
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bool on_button_press_event (GdkEventButton* event) override;
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void factorChanged (double newFactor);
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private:
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Gtk::SizeRequestMode get_request_mode_vfunc () const override;
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void get_preferred_height_vfunc (int& minimum_height, int& natural_height) const override;
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void get_preferred_width_vfunc (int &minimum_width, int &natural_width) const override;
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void get_preferred_height_for_width_vfunc (int width, int &minimum_height, int &natural_height) const override;
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void get_preferred_width_for_height_vfunc (int h, int &minimum_width, int &natural_width) const override;
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};
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class DrawModeListener
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{
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public:
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virtual ~DrawModeListener() = default;
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virtual void toggleButtonMode() = 0;
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};
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class HistogramArea : public Gtk::DrawingArea, public BackBuffer, private HistogramScaling, public rtengine::NonCopyable
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{
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public:
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typedef sigc::signal<void, double> type_signal_factor_changed;
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private:
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IdleRegister idle_register;
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type_signal_factor_changed sigFactorChanged;
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protected:
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LUTu rhist, ghist, bhist, lhist, chist;
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LUTu rhistRaw, ghistRaw, bhistRaw, lhistRaw; //lhistRaw is unused?
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bool valid;
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int drawMode;
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DrawModeListener *myDrawModeListener;
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int oldwidth, oldheight;
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bool needRed, needGreen, needBlue, needLuma, needChroma;
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bool rawMode;
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bool isPressed;
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double movingPosition;
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HistogramAreaIdleHelper* haih;
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public:
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explicit HistogramArea(DrawModeListener *fml = nullptr);
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~HistogramArea() override;
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void updateBackBuffer ();
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void update(
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const LUTu& histRed,
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const LUTu& histGreen,
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const LUTu& histBlue,
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const LUTu& histLuma,
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const LUTu& histChroma,
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const LUTu& histRedRaw,
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const LUTu& histGreenRaw,
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const LUTu& histBlueRaw
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);
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void updateOptions (bool r, bool g, bool b, bool l, bool c, bool raw, int mode);
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void on_realize() override;
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bool on_draw(const ::Cairo::RefPtr< Cairo::Context> &cr) override;
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bool on_button_press_event (GdkEventButton* event) override;
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bool on_button_release_event (GdkEventButton* event) override;
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bool on_motion_notify_event (GdkEventMotion* event) override;
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type_signal_factor_changed signal_factor_changed();
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private:
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void drawCurve(Cairo::RefPtr<Cairo::Context> &cr, LUTu & data, double scale, int hsize, int vsize);
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void drawMarks(Cairo::RefPtr<Cairo::Context> &cr, LUTu & data, double scale, int hsize, int & ui, int & oi);
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Gtk::SizeRequestMode get_request_mode_vfunc () const override;
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void get_preferred_height_vfunc (int& minimum_height, int& natural_height) const override;
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void get_preferred_width_vfunc (int &minimum_width, int &natural_width) const override;
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void get_preferred_height_for_width_vfunc (int width, int &minimum_height, int &natural_height) const override;
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void get_preferred_width_for_height_vfunc (int height, int &minimum_width, int &natural_width) const override;
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};
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class HistogramPanel : public Gtk::Grid, public PointerMotionListener, public DrawModeListener, public rtengine::NonCopyable
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{
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protected:
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Gtk::Grid* gfxGrid;
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Gtk::Grid* buttonGrid;
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HistogramArea* histogramArea;
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HistogramRGBArea* histogramRGBArea;
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Gtk::ToggleButton* showRed;
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Gtk::ToggleButton* showGreen;
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Gtk::ToggleButton* showBlue;
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Gtk::ToggleButton* showValue;
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Gtk::ToggleButton* showRAW;
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Gtk::ToggleButton* showBAR;
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Gtk::ToggleButton* showChro;
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Gtk::Button* showMode;
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Gtk::Image *redImage;
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Gtk::Image *greenImage;
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Gtk::Image *blueImage;
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Gtk::Image *valueImage;
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Gtk::Image *rawImage;
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Gtk::Image *barImage;
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Gtk::Image *chroImage;
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Gtk::Image *redImage_g;
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Gtk::Image *greenImage_g;
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Gtk::Image *blueImage_g;
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Gtk::Image *valueImage_g;
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Gtk::Image *rawImage_g;
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Gtk::Image *barImage_g;
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Gtk::Image *chroImage_g;
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Gtk::Image *mode0Image;
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Gtk::Image *mode1Image;
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Gtk::Image *mode2Image;
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sigc::connection rconn;
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void setHistInvalid ();
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public:
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HistogramPanel ();
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~HistogramPanel () override;
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void histogramChanged(
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const LUTu& histRed,
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const LUTu& histGreen,
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const LUTu& histBlue,
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const LUTu& histLuma,
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const LUTu& histChroma,
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const LUTu& histRedRaw,
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const LUTu& histGreenRaw,
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const LUTu& histBlueRaw)
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{
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histogramArea->update(histRed, histGreen, histBlue, histLuma, histChroma, histRedRaw, histGreenRaw, histBlueRaw);
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}
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// pointermotionlistener interface
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void pointerMoved (bool validPos, const Glib::ustring &profile, const Glib::ustring &profileW, int x, int y, int r, int g, int b, bool isRaw = false) override;
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// TODO should be protected
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void setHistRGBInvalid ();
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void reorder (Gtk::PositionType position);
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void red_toggled ();
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void green_toggled ();
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void blue_toggled ();
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void value_toggled ();
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void raw_toggled ();
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void chro_toggled ();
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void bar_toggled ();
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void mode_released ();
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void rgbv_toggled ();
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void resized (Gtk::Allocation& req);
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// drawModeListener interface
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void toggleButtonMode () override;
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};
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#endif
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