virtualx-engine/scene/gui/gradient_edit.h
2021-11-08 19:11:36 +01:00

85 lines
3.7 KiB
C++

/*************************************************************************/
/* gradient_edit.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef GRADIENT_EDIT_H
#define GRADIENT_EDIT_H
#include "scene/gui/color_picker.h"
#include "scene/gui/popup.h"
#include "scene/resources/default_theme/theme_data.h"
#include "scene/resources/gradient.h"
class GradientEdit : public Control {
GDCLASS(GradientEdit, Control);
PopupPanel *popup;
ColorPicker *picker;
bool grabbing = false;
int grabbed = -1;
Vector<Gradient::Point> points;
Gradient::InterpolationMode interpolation_mode = Gradient::GRADIENT_INTERPOLATE_LINEAR;
Ref<Gradient> gradient_cache;
Ref<GradientTexture1D> preview_texture;
// Make sure to use the scaled value below.
const int BASE_SPACING = 3;
const int BASE_POINT_WIDTH = 8;
int draw_spacing = BASE_SPACING;
int draw_point_width = BASE_POINT_WIDTH;
void _draw_checker(int x, int y, int w, int h);
void _color_changed(const Color &p_color);
int _get_point_from_pos(int x);
void _show_color_picker();
protected:
virtual void gui_input(const Ref<InputEvent> &p_event) override;
void _notification(int p_what);
static void _bind_methods();
public:
void set_ramp(const Vector<real_t> &p_offsets, const Vector<Color> &p_colors);
Vector<real_t> get_offsets() const;
Vector<Color> get_colors() const;
void set_points(Vector<Gradient::Point> &p_points);
Vector<Gradient::Point> &get_points();
void set_interpolation_mode(Gradient::InterpolationMode p_interp_mode);
Gradient::InterpolationMode get_interpolation_mode();
virtual Size2 get_minimum_size() const override;
GradientEdit();
virtual ~GradientEdit();
};
#endif // GRADIENT_EDIT_H