114 lines
4.2 KiB
C++
114 lines
4.2 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 <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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#include <curvelistener.h>
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#include <cursormanager.h>
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#define RADIUS 3 /* radius of the control points. Assuming that the center of the spot is in the center of the pixel, the real RADIUS will be this value +0.5 */
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#define MIN_DISTANCE 8 /* min distance between control points */
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#define GRAPH_SIZE 200 /* size of the curve editor graphic */
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// For compatibility and simplicity reason, order shouldn't change, and must be identical to the order specified in the curveType widget
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enum CurveType {
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Empty = -1,
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Linear, // 0
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Spline, // 1
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Parametric, // 2
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NURBS, // 3
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// Insert new curve type above this line
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Unchanged // Must remain the last of the enum
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};
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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; // in case of parametric curves the curve parameters are stored in vector x. In other cases these vectors store the coordinates of the bullets.
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};
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class MyCurve;
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struct MyCurveIdleHelper {
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MyCurve* myCurve;
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bool destroyed;
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int pending;
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};
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class MyCurve : public Gtk::DrawingArea {
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friend int mchistupdate (void* data);
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protected:
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CurveListener* listener;
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CurveDescr curve;
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CursorShape cursor_type;
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Glib::RefPtr<Gdk::Pixmap> pixmap;
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int innerWidth; // inner width of the editor, allocated by the system
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int innerHeight; // inner height of the editor, allocated by the system
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int prevInnerHeight;// previous inner height of the editor
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int grab_point; // the point that the user is moving
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int closest_point; // the point that is the closest from the cursor
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int lit_point; // the point that is lit when the cursor is near it
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//int last;
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Gdk::ModifierType mod_type;
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int cursorX; // X coordinate in the graph of the cursor
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int cursorY; // Y coordinate in the graph of the cursor
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double clampedX; // clamped grabbed point X coordinates in the [0;1] range
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double clampedY; // clamped grabbed point Y coordinates in the [0;1] range
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double deltaX; // signed X distance of the cursor between two consecutive MOTION_NOTIFY
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double deltaY; // signed Y distance of the cursor between two consecutive MOTION_NOTIFY
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double distanceX; // X distance from the cursor to the closest point
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double distanceY; // Y distance from the cursor to the closest point
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double ugpX; // unclamped grabbed point X coordinate in the graph
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double ugpY; // unclamped grabbed point Y coordinate in the graph
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std::vector<Gdk::Point> point;
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std::vector<Gdk::Point> upoint;
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std::vector<Gdk::Point> lpoint;
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int activeParam;
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unsigned int bghist[256]; // histogram values
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bool bghistvalid;
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bool buttonPressed;
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MyCurveIdleHelper* mcih;
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void draw (int handle);
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void interpolate ();
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void getCursorPosition(GdkEvent* event);
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void findClosestPoint();
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std::vector<double> get_vector (int veclen);
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public:
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MyCurve ();
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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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void setActiveParam (int ac);
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void updateBackgroundHistogram (unsigned int* hist);
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void reset ();
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};
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#endif
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