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// SPDX-License-Identifier: GPL-2.0-or-later
/** @file
* Common drawing mode. Base class of Eraser and Calligraphic tools.
*//*
* 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 "desktop.h"
#include "display/curve.h"
#include "display/control/canvas-item-bpath.h"
#include "util/units.h"
using Inkscape::Util::Unit;
using Inkscape::Util::Quantity;
using Inkscape::Util::unit_table;
#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(SPDesktop *desktop, std::string prefs_path, const std::string &cursor_filename)
: ToolBase(desktop, prefs_path, cursor_filename)
, 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() {
for (auto segment : segments) {
delete segment;
}
segments.clear();
if (this->currentshape) {
delete currentshape;
}
}
void DynamicBase::set(const Inkscape::Preferences::Entry& value) {
Glib::ustring path = value.getEntryName();
// ignore preset modifications
static Glib::ustring const presets_path = getPrefsPath() + "/preset";
Glib::ustring const &full_path = value.getPath();
Inkscape::Preferences *prefs = Inkscape::Preferences::get();
Unit const *unit = unit_table.getUnit(prefs->getString("/tools/calligraphic/unit"));
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.getDouble(), Quantity::convert(0.001, unit, "px"), Quantity::convert(100, unit, "px"));
} 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(), -100, 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 {
auto drect = _desktop->get_display_area();
double const max = drect.maxExtent();
return (v - drect.bounds().min()) / max;
}
/* Get view point */
Geom::Point DynamicBase::getViewPoint(Geom::Point n) const {
auto drect = _desktop->get_display_area();
double const max = drect.maxExtent();
return n * max + drect.bounds().min();
}
}
}
}
/*
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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