133 lines
4.1 KiB
C++
133 lines
4.1 KiB
C++
/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2019 Alberto Romei <aldrop8@gmail.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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#pragma once
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#include <array>
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#include <gtkmm.h>
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#include "adjuster.h"
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#include "editcallbacks.h"
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#include "guiutils.h"
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#include "toolpanel.h"
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#include "../rtengine/colortemp.h"
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namespace
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{
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using RGB = rtengine::procparams::FilmNegativeParams::RGB;
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using ColorSpace = rtengine::procparams::FilmNegativeParams::ColorSpace;
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using BackCompat = rtengine::procparams::FilmNegativeParams::BackCompat;
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}
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class FilmNegProvider
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{
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public:
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virtual ~FilmNegProvider() = default;
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virtual bool getFilmNegativeSpot(rtengine::Coord spot, int spotSize, RGB &refInput, RGB &refOutput) = 0;
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};
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class FilmNegative final :
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public ToolParamBlock,
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public AdjusterListener,
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public FoldableToolPanel,
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public EditSubscriber,
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public rtengine::FilmNegListener
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{
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public:
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FilmNegative();
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~FilmNegative() override;
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void read(const rtengine::procparams::ProcParams* pp, const ParamsEdited* pedited = nullptr) override;
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void write(rtengine::procparams::ProcParams* pp, ParamsEdited* pedited = nullptr) override;
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void setDefaults(const rtengine::procparams::ProcParams* defParams, const ParamsEdited* pedited = nullptr) override;
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void setBatchMode(bool batchMode) override;
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void adjusterChanged(Adjuster* a, double newval) override;
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void enabledChanged() override;
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void colorSpaceChanged();
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void filmRefValuesChanged(const RGB &refInput, const RGB &refOutput) override;
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void setFilmNegProvider(FilmNegProvider* provider);
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void setEditProvider(EditDataProvider* provider) override;
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// EditSubscriber interface
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CursorShape getCursor(int objectID, int xPos, int yPos) const override;
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bool mouseOver(int modifierKey) override;
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bool button1Pressed(int modifierKey) override;
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bool button1Released() override;
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bool button3Pressed(int modifierKey) override;
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void switchOffEditMode() override;
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private:
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void editToggled();
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void refSpotToggled();
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void readOutputSliders(RGB &refOutput);
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void writeOutputSliders(const RGB &refOutput);
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// ColorTemp value corresponding to neutral RGB multipliers (1,1,1). Should be around 6500K.
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const rtengine::ColorTemp NEUTRAL_TEMP;
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const rtengine::ProcEvent evFilmNegativeExponents;
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const rtengine::ProcEvent evFilmNegativeEnabled;
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const rtengine::ProcEvent evFilmNegativeRefSpot;
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const rtengine::ProcEvent evFilmNegativeBalance;
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const rtengine::ProcEvent evFilmNegativeColorSpace;
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std::vector<rtengine::Coord> refSpotCoords;
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RGB refInputValues;
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bool paramsUpgraded;
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/**
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* Luminance reference: these input RGB values must produce this output luminance.
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* This allows keeping constant luminance when picking several white balance spot
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* samples in sequence; values are set on the initial white balance spot sampling,
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* and reset every time params are read, or the output sliders are changed.
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*/
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struct {
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RGB input;
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float lum;
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} refLuminance;
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FilmNegProvider* fnp;
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MyComboBoxText* const colorSpace;
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Adjuster* const greenExp;
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Adjuster* const redRatio;
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Adjuster* const blueRatio;
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Gtk::ToggleButton* const spotButton;
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Gtk::Label* const refInputLabel;
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Gtk::ToggleButton* const refSpotButton;
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Adjuster* const outputLevel;
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Adjuster* const greenBalance;
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Adjuster* const blueBalance;
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IdleRegister idle_register;
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};
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