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// SPDX-License-Identifier: GPL-2.0-or-later
/** @file
* TODO: insert short description here
*//*
* Authors: see git history
*
* Copyright (C) 2018 Authors
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "ui/tools/dynamic-base.h"
#include "message-context.h"
#include "display/sp-canvas-item.h"
#include "desktop.h"
#include "display/curve.h"
#define MIN_PRESSURE 0.0
#define MAX_PRESSURE 1.0
#define DEFAULT_PRESSURE 1.0
#define DRAG_MIN 0.0
#define DRAG_DEFAULT 1.0
#define DRAG_MAX 1.0
namespace Inkscape {
namespace UI {
namespace Tools {
DynamicBase::DynamicBase(gchar const *const *cursor_shape)
: ToolBase(cursor_shape)
, accumulated(nullptr)
, currentshape(nullptr)
, currentcurve(nullptr)
, cal1(nullptr)
, cal2(nullptr)
, point1()
, point2()
, npoints(0)
, repr(nullptr)
, cur(0, 0)
, vel(0, 0)
, vel_max(0)
, acc(0, 0)
, ang(0, 0)
, last(0, 0)
, del(0, 0)
, pressure(DEFAULT_PRESSURE)
, xtilt(0)
, ytilt(0)
, dragging(false)
, usepressure(false)
, usetilt(false)
, mass(0.3)
, drag(DRAG_DEFAULT)
, angle(30.0)
, width(0.2)
, vel_thin(0.1)
, flatness(0.9)
, tremor(0)
, cap_rounding(0)
, is_drawing(false)
, abs_width(false)
{
}
DynamicBase::~DynamicBase() {
if (this->accumulated) {
this->accumulated = this->accumulated->unref();
this->accumulated = nullptr;
}
for (auto i:segments) {
sp_canvas_item_destroy(SP_CANVAS_ITEM(i));
}
segments.clear();
if (this->currentcurve) {
this->currentcurve = this->currentcurve->unref();
this->currentcurve = nullptr;
}
if (this->cal1) {
this->cal1 = this->cal1->unref();
this->cal1 = nullptr;
}
if (this->cal2) {
this->cal2 = this->cal2->unref();
this->cal2 = nullptr;
}
if (this->currentshape) {
sp_canvas_item_destroy(this->currentshape);
this->currentshape = nullptr;
}
}
void DynamicBase::set(const Inkscape::Preferences::Entry& value) {
Glib::ustring path = value.getEntryName();
// ignore preset modifications
static Glib::ustring const presets_path = this->pref_observer->observed_path + "/preset";
Glib::ustring const &full_path = value.getPath();
if (full_path.compare(0, presets_path.size(), presets_path) == 0) {
return;
}
if (path == "mass") {
this->mass = 0.01 * CLAMP(value.getInt(10), 0, 100);
} else if (path == "wiggle") {
this->drag = CLAMP((1 - 0.01 * value.getInt()), DRAG_MIN, DRAG_MAX); // drag is inverse to wiggle
} else if (path == "angle") {
this->angle = CLAMP(value.getDouble(), -90, 90);
} else if (path == "width") {
this->width = 0.01 * CLAMP(value.getInt(10), 1, 100);
} else if (path == "thinning") {
this->vel_thin = 0.01 * CLAMP(value.getInt(10), -100, 100);
} else if (path == "tremor") {
this->tremor = 0.01 * CLAMP(value.getInt(), 0, 100);
} else if (path == "flatness") {
this->flatness = 0.01 * CLAMP(value.getInt(), 0, 100);
} else if (path == "usepressure") {
this->usepressure = value.getBool();
} else if (path == "usetilt") {
this->usetilt = value.getBool();
} else if (path == "abs_width") {
this->abs_width = value.getBool();
} else if (path == "cap_rounding") {
this->cap_rounding = value.getDouble();
}
}
/* Get normalized point */
Geom::Point DynamicBase::getNormalizedPoint(Geom::Point v) const {
Geom::Rect drect = this->desktop->get_display_area();
double const max = MAX ( drect.dimensions()[Geom::X], drect.dimensions()[Geom::Y] );
return Geom::Point(( v[Geom::X] - drect.min()[Geom::X] ) / max, ( v[Geom::Y] - drect.min()[Geom::Y] ) / max);
}
/* Get view point */
Geom::Point DynamicBase::getViewPoint(Geom::Point n) const {
Geom::Rect drect = this->desktop->get_display_area();
double const max = MAX ( drect.dimensions()[Geom::X], drect.dimensions()[Geom::Y] );
return Geom::Point(n[Geom::X] * max + drect.min()[Geom::X], n[Geom::Y] * max + drect.min()[Geom::Y]);
}
}
}
}
/*
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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