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virtualx-engine/scene/gui/color_mode.cpp
Rémi Verschelde d95794ec8a
One Copyright Update to rule them all 
As many open source projects have started doing it, we're removing the
current year from the copyright notice, so that we don't need to bump
it every year.

It seems like only the first year of publication is technically
relevant for copyright notices, and even that seems to be something
that many companies stopped listing altogether (in a version controlled
codebase, the commits are a much better source of date of publication
than a hardcoded copyright statement).

We also now list Godot Engine contributors first as we're collectively
the current maintainers of the project, and we clarify that the
"exclusive" copyright of the co-founders covers the timespan before
opensourcing (their further contributions are included as part of Godot
Engine contributors).

Also fixed "cf." Frenchism - it's meant as "refer to / see".
2023-01-05 13:25:55 +01:00

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/**************************************************************************/
/* color_mode.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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. */
/**************************************************************************/
#include "color_mode.h"
#include "core/math/color.h"
#include "scene/gui/slider.h"
#include "thirdparty/misc/ok_color.h"
ColorMode::ColorMode(ColorPicker *p_color_picker) {
color_picker = p_color_picker;
}
String ColorModeRGB::get_slider_label(int idx) const {
ERR_FAIL_INDEX_V_MSG(idx, 3, String(), "Couldn't get slider label.");
return labels[idx];
}
float ColorModeRGB::get_slider_max(int idx) const {
ERR_FAIL_INDEX_V_MSG(idx, 4, 0, "Couldn't get slider max value.");
Color color = color_picker->get_pick_color();
return next_power_of_2(MAX(255, color.components[idx] * 255.0)) - 1;
}
float ColorModeRGB::get_slider_value(int idx) const {
ERR_FAIL_INDEX_V_MSG(idx, 4, 0, "Couldn't get slider value.");
return color_picker->get_pick_color().components[idx] * 255;
}
Color ColorModeRGB::get_color() const {
Vector<float> values = color_picker->get_active_slider_values();
Color color;
for (int i = 0; i < 4; i++) {
color.components[i] = values[i] / 255.0;
}
return color;
}
void ColorModeRGB::slider_draw(int p_which) {
Vector<Vector2> pos;
pos.resize(4);
Vector<Color> col;
col.resize(4);
HSlider *slider = color_picker->get_slider(p_which);
Size2 size = slider->get_size();
Color left_color;
Color right_color;
Color color = color_picker->get_pick_color();
const real_t margin = 16 * color_picker->get_theme_default_base_scale();
if (p_which == ColorPicker::SLIDER_COUNT) {
slider->draw_texture_rect(color_picker->get_theme_icon(SNAME("sample_bg"), SNAME("ColorPicker")), Rect2(Point2(0, 0), Size2(size.x, margin)), true);
left_color = color;
left_color.a = 0;
right_color = color;
right_color.a = 1;
} else {
left_color = Color(
p_which == 0 ? 0 : color.r,
p_which == 1 ? 0 : color.g,
p_which == 2 ? 0 : color.b);
right_color = Color(
p_which == 0 ? 1 : color.r,
p_which == 1 ? 1 : color.g,
p_which == 2 ? 1 : color.b);
}
col.set(0, left_color);
col.set(1, right_color);
col.set(2, right_color);
col.set(3, left_color);
pos.set(0, Vector2(0, 0));
pos.set(1, Vector2(size.x, 0));
pos.set(2, Vector2(size.x, margin));
pos.set(3, Vector2(0, margin));
slider->draw_polygon(pos, col);
}
String ColorModeHSV::get_slider_label(int idx) const {
ERR_FAIL_INDEX_V_MSG(idx, 3, String(), "Couldn't get slider label.");
return labels[idx];
}
float ColorModeHSV::get_slider_max(int idx) const {
ERR_FAIL_INDEX_V_MSG(idx, 4, 0, "Couldn't get slider max value.");
return slider_max[idx];
}
float ColorModeHSV::get_slider_value(int idx) const {
switch (idx) {
case 0:
return color_picker->get_pick_color().get_h() * 360.0;
case 1:
return color_picker->get_pick_color().get_s() * 100.0;
case 2:
return color_picker->get_pick_color().get_v() * 100.0;
case 3:
return Math::round(color_picker->get_pick_color().components[3] * 255.0);
default:
ERR_FAIL_V_MSG(0, "Couldn't get slider value.");
}
}
Color ColorModeHSV::get_color() const {
Vector<float> values = color_picker->get_active_slider_values();
Color color;
color.set_hsv(values[0] / 360.0, values[1] / 100.0, values[2] / 100.0, values[3] / 255.0);
return color;
}
void ColorModeHSV::slider_draw(int p_which) {
Vector<Vector2> pos;
pos.resize(4);
Vector<Color> col;
col.resize(4);
HSlider *slider = color_picker->get_slider(p_which);
Size2 size = slider->get_size();
Color left_color;
Color right_color;
Color color = color_picker->get_pick_color();
const real_t margin = 16 * color_picker->get_theme_default_base_scale();
if (p_which == ColorPicker::SLIDER_COUNT) {
slider->draw_texture_rect(color_picker->get_theme_icon(SNAME("sample_bg"), SNAME("ColorPicker")), Rect2(Point2(0, 0), Size2(size.x, margin)), true);
left_color = color;
left_color.a = 0;
right_color = color;
right_color.a = 1;
} else if (p_which == 0) {
Ref<Texture2D> hue = color_picker->get_theme_icon(SNAME("color_hue"), SNAME("ColorPicker"));
slider->draw_texture_rect(hue, Rect2(Vector2(), Vector2(size.x, margin)), false);
return;
} else {
Color s_col;
Color v_col;
s_col.set_hsv(color.get_h(), 0, color.get_v());
left_color = (p_which == 1) ? s_col : Color(0, 0, 0);
s_col.set_hsv(color.get_h(), 1, color.get_v());
v_col.set_hsv(color.get_h(), color.get_s(), 1);
right_color = (p_which == 1) ? s_col : v_col;
}
col.set(0, left_color);
col.set(1, right_color);
col.set(2, right_color);
col.set(3, left_color);
pos.set(0, Vector2(0, 0));
pos.set(1, Vector2(size.x, 0));
pos.set(2, Vector2(size.x, margin));
pos.set(3, Vector2(0, margin));
slider->draw_polygon(pos, col);
}
String ColorModeRAW::get_slider_label(int idx) const {
ERR_FAIL_INDEX_V_MSG(idx, 3, String(), "Couldn't get slider label.");
return labels[idx];
}
float ColorModeRAW::get_slider_max(int idx) const {
ERR_FAIL_INDEX_V_MSG(idx, 4, 0, "Couldn't get slider max value.");
return slider_max[idx];
}
float ColorModeRAW::get_slider_value(int idx) const {
ERR_FAIL_INDEX_V_MSG(idx, 4, 0, "Couldn't get slider value.");
return color_picker->get_pick_color().components[idx];
}
Color ColorModeRAW::get_color() const {
Vector<float> values = color_picker->get_active_slider_values();
Color color;
for (int i = 0; i < 4; i++) {
color.components[i] = values[i];
}
return color;
}
void ColorModeRAW::slider_draw(int p_which) {
Vector<Vector2> pos;
pos.resize(4);
Vector<Color> col;
col.resize(4);
HSlider *slider = color_picker->get_slider(p_which);
Size2 size = slider->get_size();
Color left_color;
Color right_color;
Color color = color_picker->get_pick_color();
const real_t margin = 16 * color_picker->get_theme_default_base_scale();
if (p_which == ColorPicker::SLIDER_COUNT) {
slider->draw_texture_rect(color_picker->get_theme_icon(SNAME("sample_bg"), SNAME("ColorPicker")), Rect2(Point2(0, 0), Size2(size.x, margin)), true);
left_color = color;
left_color.a = 0;
right_color = color;
right_color.a = 1;
col.set(0, left_color);
col.set(1, right_color);
col.set(2, right_color);
col.set(3, left_color);
pos.set(0, Vector2(0, 0));
pos.set(1, Vector2(size.x, 0));
pos.set(2, Vector2(size.x, margin));
pos.set(3, Vector2(0, margin));
slider->draw_polygon(pos, col);
}
}
bool ColorModeRAW::apply_theme() const {
for (int i = 0; i < 4; i++) {
HSlider *slider = color_picker->get_slider(i);
slider->remove_theme_icon_override("grabber");
slider->remove_theme_icon_override("grabber_highlight");
slider->remove_theme_style_override("slider");
slider->remove_theme_constant_override("grabber_offset");
}
return true;
}
String ColorModeOKHSL::get_slider_label(int idx) const {
ERR_FAIL_INDEX_V_MSG(idx, 3, String(), "Couldn't get slider label.");
return labels[idx];
}
float ColorModeOKHSL::get_slider_max(int idx) const {
ERR_FAIL_INDEX_V_MSG(idx, 4, 0, "Couldn't get slider max value.");
return slider_max[idx];
}
float ColorModeOKHSL::get_slider_value(int idx) const {
switch (idx) {
case 0:
return color_picker->get_pick_color().get_ok_hsl_h() * 360.0;
case 1:
return color_picker->get_pick_color().get_ok_hsl_s() * 100.0;
case 2:
return color_picker->get_pick_color().get_ok_hsl_l() * 100.0;
case 3:
return Math::round(color_picker->get_pick_color().components[3] * 255.0);
default:
ERR_FAIL_V_MSG(0, "Couldn't get slider value.");
}
}
Color ColorModeOKHSL::get_color() const {
Vector<float> values = color_picker->get_active_slider_values();
Color color;
color.set_ok_hsl(values[0] / 360.0, values[1] / 100.0, values[2] / 100.0, values[3] / 255.0);
return color;
}
void ColorModeOKHSL::slider_draw(int p_which) {
HSlider *slider = color_picker->get_slider(p_which);
Size2 size = slider->get_size();
const real_t margin = 16 * color_picker->get_theme_default_base_scale();
if (p_which == 0) { // H
Ref<Texture2D> hue = color_picker->get_theme_icon(SNAME("color_okhsl_hue"), SNAME("ColorPicker"));
slider->draw_texture_rect(hue, Rect2(Vector2(), Vector2(size.x, margin)), false);
return;
}
Vector<Vector2> pos;
Vector<Color> col;
Color left_color;
Color right_color;
Color color = color_picker->get_pick_color();
if (p_which == 2) { // L
pos.resize(6);
col.resize(6);
left_color = Color(0, 0, 0);
Color middle_color;
middle_color.set_ok_hsl(color.get_ok_hsl_h(), color.get_ok_hsl_s(), 0.5);
right_color.set_ok_hsl(color.get_ok_hsl_h(), color.get_ok_hsl_s(), 1);
col.set(0, left_color);
col.set(1, middle_color);
col.set(2, right_color);
col.set(3, right_color);
col.set(4, middle_color);
col.set(5, left_color);
pos.set(0, Vector2(0, 0));
pos.set(1, Vector2(size.x * 0.5, 0));
pos.set(2, Vector2(size.x, 0));
pos.set(3, Vector2(size.x, margin));
pos.set(4, Vector2(size.x * 0.5, margin));
pos.set(5, Vector2(0, margin));
} else { // A / S
pos.resize(4);
col.resize(4);
if (p_which == ColorPicker::SLIDER_COUNT) {
slider->draw_texture_rect(color_picker->get_theme_icon(SNAME("sample_bg"), SNAME("ColorPicker")), Rect2(Point2(0, 0), Size2(size.x, margin)), true);
left_color = color;
left_color.a = 0;
right_color = color;
right_color.a = 1;
} else {
left_color.set_ok_hsl(color.get_ok_hsl_h(), 0, color.get_ok_hsl_l());
right_color.set_ok_hsl(color.get_ok_hsl_h(), 1, color.get_ok_hsl_l());
}
col.set(0, left_color);
col.set(1, right_color);
col.set(2, right_color);
col.set(3, left_color);
pos.set(0, Vector2(0, 0));
pos.set(1, Vector2(size.x, 0));
pos.set(2, Vector2(size.x, margin));
pos.set(3, Vector2(0, margin));
}
slider->draw_polygon(pos, col);
}
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