8b2eac9a3d
The pipette part is already working quite nice but need to be finished. The widgets part needs more work...
136 lines
4.6 KiB
C++
136 lines
4.6 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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#include "coloredbar.h"
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#include "../rtengine/LUT.h"
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#include "guiutils.h"
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#include "options.h"
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#define RADIUS 3 /** radius of the control points */
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#define CBAR_WIDTH_STD 13 /** width of the colored bar (border included) for standard themes */
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#define CBAR_WIDTH_SLIM 10 /** width of the colored bar (border included) for slim themes */
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#define CBAR_MARGIN 2 /** spacing between the colored bar and the graph */
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#define SQUARE 2 /** half length of the square shape of the tangent handles */
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#define MIN_DISTANCE 5 /** min distance between control points */
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#define GRAPH_SIZE 200 /** size of the curve editor graphic */
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/** @brief Flat or Diagonal curve type
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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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*/
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enum CurveType {
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CT_Flat,
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CT_Diagonal
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};
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/** @brief Tells the type of element that the points snaps to
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*/
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enum SnapToType {
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ST_None, /// The point is not snapped
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ST_Identity, /// Point snapped to the identity curve
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ST_Neighbors /// Point snapped to the neighbor points
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};
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enum ResizeState {
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RS_Pending = 1, /// Resize has to occurs
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RS_Done = 2, /// Resize has been done
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RS_Force = 4 /// Resize has to occurs even without CONFIGURE event
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};
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class MyCurveIdleHelper;
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class MyCurve : public Gtk::DrawingArea, public BackBuffer, public ColorCaller {
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friend class MyCurveIdleHelper;
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protected:
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CurveListener* listener;
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ColoredBar *leftBar;
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ColoredBar *bottomBar;
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CursorShape cursor_type;
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int graphX, graphY, graphW, graphH; /// dimensions of the graphic area, excluding surrounding space for the points of for the colored bar
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int prevGraphW, prevGraphH; /// previous inner width and height of the editor
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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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std::vector< Point<float> > point;
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std::vector< Point<float> > upoint;
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std::vector< Point<float> > lpoint;
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bool buttonPressed;
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/**
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* snapToElmt, which will be used for the Y axis only, must be interpreted like this:
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* -100 : no element (default)
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* -3 : maximum value
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* -2 : identity value
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* -1 : minimum value
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* [0;1000[ : control point that it's snapped to
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* >=1000 : moved control point which snaps to the line made by its previous and next point
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*/
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int snapToElmt;
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bool snapTo;
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double snapToMinDistX, snapToMinDistY;
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double snapToValX, snapToValY;
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MyCurveIdleHelper* mcih;
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enum ResizeState sized;
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bool curveIsDirty;
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virtual std::vector<double> get_vector (int veclen) = 0;
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int getGraphMinSize() { return GRAPH_SIZE + RADIUS + 1; }
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bool snapCoordinateX(double testedVal, double realVal);
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bool snapCoordinateY(double testedVal, double realVal);
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// return value = new requested height
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int calcDimensions ();
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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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void setColoredBar (ColoredBar *left, ColoredBar *bottom);
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void notifyListener ();
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void updateBackgroundHistogram (LUTu & hist) {return;} ;
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void forceResize() { sized = RS_Force; }
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void refresh();
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void setCurveDirty () { curveIsDirty = true; }
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void styleChanged (const Glib::RefPtr<Gtk::Style>& style);
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virtual std::vector<double> getPoints () = 0;
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virtual void setPoints (const std::vector<double>& p) = 0;
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virtual bool handleEvents (GdkEvent* event) = 0;
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virtual void reset (double identityValue=0.5) = 0;
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static int getBarWidth() { return options.slimUI ? CBAR_WIDTH_SLIM : CBAR_WIDTH_STD; }
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};
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class MyCurveIdleHelper {
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public:
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MyCurve* myCurve;
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bool destroyed;
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int pending;
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void clearPixmap () { myCurve->setDirty(true); }
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};
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#endif
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