godot/editor/plugins/gradient_editor.h
2022-11-21 23:32:38 +01:00

97 lines
3.8 KiB
C++

/*************************************************************************/
/* gradient_editor.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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_EDITOR_H
#define GRADIENT_EDITOR_H
#include "scene/gui/color_picker.h"
#include "scene/gui/popup.h"
#include "scene/resources/gradient.h"
class GradientEditor : public Control {
GDCLASS(GradientEditor, Control);
PopupPanel *popup = nullptr;
ColorPicker *picker = nullptr;
bool grabbing = false;
int grabbed = -1;
Vector<Gradient::Point> points;
Gradient::InterpolationMode interpolation_mode = Gradient::GRADIENT_INTERPOLATE_LINEAR;
bool editing = false;
Ref<Gradient> gradient;
Ref<Gradient> gradient_cache;
Ref<GradientTexture1D> preview_texture;
// Make sure to use the scaled value below.
const int BASE_SPACING = 3;
const int BASE_HANDLE_WIDTH = 8;
int draw_spacing = BASE_SPACING;
int handle_width = BASE_HANDLE_WIDTH;
void _gradient_changed();
void _ramp_changed();
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_gradient(const Ref<Gradient> &p_gradient);
void reverse_gradient();
void set_ramp(const Vector<float> &p_offsets, const Vector<Color> &p_colors);
Vector<float> 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();
ColorPicker *get_picker();
PopupPanel *get_popup();
virtual Size2 get_minimum_size() const override;
GradientEditor();
virtual ~GradientEditor();
};
#endif // GRADIENT_EDITOR_H