70 lines
2.0 KiB
C++
Executable File
70 lines
2.0 KiB
C++
Executable File
/*
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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 <http://www.gnu.org/licenses/>.
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*/
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#ifndef _MYCURVE_
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#define _MYCURVE_
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#include <gtkmm.h>
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#include <vector>
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class CurveListener {
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public:
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virtual void curveChanged () {}
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};
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enum CurveType {Linear, Spline};
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class CurveDescr {
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public:
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CurveType type;
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std::vector<double> x, y;
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};
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class MyCurve : public Gtk::DrawingArea {
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CurveListener* listener;
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CurveDescr curve;
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Gdk::CursorType cursor_type;
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Glib::RefPtr<Gdk::Pixmap> pixmap;
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int height;
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int grab_point;
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int last;
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std::vector<Gdk::Point> point;
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protected:
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void draw (int width, int height);
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void interpolate (int width, int height);
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std::vector<double> get_vector (int veclen);
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double spline_eval (int n, double x[], double y[], double y2[], double val);
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void spline_solve (int n, double x[], double y[], double y2[]);
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public:
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MyCurve ();
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void setCurveListener (CurveListener* cl) { listener = cl; }
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std::vector<double> getPoints ();
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void setPoints (const std::vector<double>& p);
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void setType (CurveType t);
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bool handleEvents (GdkEvent* event);
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void notifyListener ();
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};
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#endif
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