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Diffstat (limited to 'src/ui/tools/dynamic-base.cpp')
| -rw-r--r-- | src/ui/tools/dynamic-base.cpp | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/src/ui/tools/dynamic-base.cpp b/src/ui/tools/dynamic-base.cpp new file mode 100644 index 0000000..92eba3f --- /dev/null +++ b/src/ui/tools/dynamic-base.cpp @@ -0,0 +1,166 @@ +// 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 : |