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// SPDX-License-Identifier: GPL-2.0-or-later
/** \file
* PencilTool: a context for pencil tool events
*//*
* Authors: see git history
*
* Copyright (C) 2018 Authors
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#ifndef SEEN_PENCIL_CONTEXT_H
#define SEEN_PENCIL_CONTEXT_H
#include "ui/tools/freehand-base.h"
#include <2geom/piecewise.h>
#include <2geom/d2.h>
#include <2geom/sbasis.h>
#include <2geom/pathvector.h>
// #include <future>
#include <memory>
class SPShape;
#define DDC_MIN_PRESSURE 0.0
#define DDC_MAX_PRESSURE 1.0
#define DDC_DEFAULT_PRESSURE 1.0
#define SP_PENCIL_CONTEXT(obj) (dynamic_cast<Inkscape::UI::Tools::PencilTool*>((Inkscape::UI::Tools::ToolBase*)obj))
#define SP_IS_PENCIL_CONTEXT(obj) (dynamic_cast<const Inkscape::UI::Tools::PencilTool*>((const Inkscape::UI::Tools::ToolBase*)obj) != NULL)
namespace Inkscape {
namespace UI {
namespace Tools {
enum PencilState {
SP_PENCIL_CONTEXT_IDLE,
SP_PENCIL_CONTEXT_ADDLINE,
SP_PENCIL_CONTEXT_FREEHAND,
SP_PENCIL_CONTEXT_SKETCH
};
/**
* PencilTool: a context for pencil tool events
*/
class PencilTool : public FreehandBase {
public:
PencilTool(SPDesktop *desktop);
~PencilTool() override;
Geom::Point p[16];
std::vector<Geom::Point> ps;
std::vector<Geom::Point> points;
void addPowerStrokePencil();
void powerStrokeInterpolate(Geom::Path const path);
Geom::Piecewise<Geom::D2<Geom::SBasis> > sketch_interpolation; // the current proposal from the sketched paths
unsigned sketch_n; // number of sketches done
protected:
bool root_handler(GdkEvent* event) override;
private:
bool _handleButtonPress(GdkEventButton const &bevent);
bool _handleMotionNotify(GdkEventMotion const &mevent);
bool _handleButtonRelease(GdkEventButton const &revent);
bool _handleKeyPress(GdkEventKey const &event);
bool _handleKeyRelease(GdkEventKey const &event);
void _setStartpoint(Geom::Point const &p);
void _setEndpoint(Geom::Point const &p);
void _finishEndpoint();
void _addFreehandPoint(Geom::Point const &p, guint state, bool last);
void _fitAndSplit();
void _interpolate();
void _sketchInterpolate();
void _extinput(GdkEvent *event);
void _cancel();
void _endpointSnap(Geom::Point &p, guint const state);
std::vector<Geom::Point> _wps;
SPCurve _pressure_curve;
Geom::Point _req_tangent;
bool _is_drawing;
PencilState _state;
gint _npoints;
// std::future<bool> future;
};
}
}
}
#endif /* !SEEN_PENCIL_CONTEXT_H */
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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