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// SPDX-License-Identifier: GPL-2.0-or-later
/** @file
* Color selector using sliders for each components, for multiple color modes
*//*
* Authors:
* see git history
*
* Copyright (C) 2018, 2021 Authors
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#ifndef SEEN_SP_COLOR_SCALES_H
#define SEEN_SP_COLOR_SCALES_H
#include <gtkmm/box.h>
#include <array>
#include "ui/selected-color.h"
namespace Inkscape {
namespace UI {
namespace Widget {
class ColorSlider;
class ColorWheel;
enum class SPColorScalesMode {
NONE,
RGB,
HSL,
CMYK,
HSV,
HSLUV
};
template <SPColorScalesMode MODE = SPColorScalesMode::NONE>
class ColorScales
: public Gtk::Box
{
public:
static gchar const *SUBMODE_NAMES[];
static gfloat getScaled(Glib::RefPtr<Gtk::Adjustment> const &a);
static void setScaled(Glib::RefPtr<Gtk::Adjustment> &a, gfloat v, bool constrained = false);
ColorScales(SelectedColor &color);
~ColorScales() override;
void setupMode();
SPColorScalesMode getMode() const;
static guchar const *hsluvHueMap(gfloat s, gfloat l,
std::array<guchar, 4 * 1024> *map);
static guchar const *hsluvSaturationMap(gfloat h, gfloat l,
std::array<guchar, 4 * 1024> *map);
static guchar const *hsluvLightnessMap(gfloat h, gfloat s,
std::array<guchar, 4 * 1024> *map);
protected:
void _onColorChanged();
void on_show() override;
virtual void _initUI();
void _sliderAnyGrabbed();
void _sliderAnyReleased();
void _sliderAnyChanged();
void _adjustmentChanged(int channel);
void _wheelChanged();
void _getRgbaFloatv(gfloat *rgba);
void _getCmykaFloatv(gfloat *cmyka);
guint32 _getRgba32();
void _updateSliders(guint channels);
void _recalcColor();
void _updateDisplay(bool update_wheel = true);
void _setRangeLimit(gdouble upper);
SelectedColor &_color;
gdouble _range_limit;
gboolean _updating : 1;
gboolean _dragging : 1;
std::vector<Glib::RefPtr<Gtk::Adjustment>> _a; /* Channel adjustments */
Inkscape::UI::Widget::ColorSlider *_s[5]; /* Channel sliders */
Gtk::Widget *_b[5]; /* Spinbuttons */
Gtk::Label *_l[5]; /* Labels */
std::array<guchar, 4 * 1024> _sliders_maps[4];
Inkscape::UI::Widget::ColorWheel *_wheel;
const Glib::ustring _prefs = "/color_scales";
static gchar const * const _pref_wheel_visibility;
sigc::connection _color_changed;
sigc::connection _color_dragged;
private:
// By default, disallow copy constructor and assignment operator
ColorScales(ColorScales const &obj) = delete;
ColorScales &operator=(ColorScales const &obj) = delete;
};
template <SPColorScalesMode MODE>
class ColorScalesFactory : public Inkscape::UI::ColorSelectorFactory
{
public:
ColorScalesFactory();
Gtk::Widget *createWidget(Inkscape::UI::SelectedColor &color) const override;
Glib::ustring modeName() const override;
};
} // namespace Widget
} // namespace UI
} // namespace Inkscape
#endif /* !SEEN_SP_COLOR_SCALES_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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