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color_picker.cpp
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/*************************************************************************/
/* color_picker.cpp */
/*************************************************************************/
/* 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. */
/*************************************************************************/
#include "color_picker.h"
#include "core/input/input.h"
#include "core/math/color.h"
#include "core/os/keyboard.h"
#include "core/os/os.h"
#include "scene/gui/color_mode.h"
#ifdef TOOLS_ENABLED
#include "editor/editor_settings.h"
#endif
#include "thirdparty/misc/ok_color.h"
#include "thirdparty/misc/ok_color_shader.h"
List<Color> ColorPicker::preset_cache;
void ColorPicker::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
_update_color();
#ifdef TOOLS_ENABLED
if (Engine::get_singleton()->is_editor_hint()) {
if (preset_cache.is_empty()) {
PackedColorArray saved_presets = EditorSettings::get_singleton()->get_project_metadata("color_picker", "presets", PackedColorArray());
for (int i = 0; i < saved_presets.size(); i++) {
preset_cache.push_back(saved_presets[i]);
}
}
for (int i = 0; i < preset_cache.size(); i++) {
presets.push_back(preset_cache[i]);
}
}
#endif
[[fallthrough]];
}
case NOTIFICATION_THEME_CHANGED: {
btn_pick->set_icon(get_theme_icon(SNAME("screen_picker"), SNAME("ColorPicker")));
btn_add_preset->set_icon(get_theme_icon(SNAME("add_preset")));
uv_edit->set_custom_minimum_size(Size2(get_theme_constant(SNAME("sv_width")), get_theme_constant(SNAME("sv_height"))));
w_edit->set_custom_minimum_size(Size2(get_theme_constant(SNAME("h_width")), 0));
wheel_edit->set_custom_minimum_size(Size2(get_theme_constant(SNAME("sv_width")), get_theme_constant(SNAME("sv_height"))));
wheel_margin->add_theme_constant_override("margin_bottom", 8 * get_theme_default_base_scale());
for (int i = 0; i < SLIDER_COUNT; i++) {
labels[i]->set_custom_minimum_size(Size2(get_theme_constant(SNAME("label_width")), 0));
set_offset((Side)i, get_offset((Side)i) + get_theme_constant(SNAME("margin")));
}
alpha_label->set_custom_minimum_size(Size2(get_theme_constant(SNAME("label_width")), 0));
set_offset((Side)0, get_offset((Side)0) + get_theme_constant(SNAME("margin")));
_reset_theme();
if (Engine::get_singleton()->is_editor_hint()) {
// Adjust for the width of the "Script" icon.
text_type->set_custom_minimum_size(Size2(28 * get_theme_default_base_scale(), 0));
}
_update_presets();
_update_controls();
} break;
case NOTIFICATION_VISIBILITY_CHANGED: {
Popup *p = Object::cast_to<Popup>(get_parent());
if (p) {
p->set_size(Size2(get_combined_minimum_size().width + get_theme_constant(SNAME("margin")) * 2, get_combined_minimum_size().height + get_theme_constant(SNAME("margin")) * 2));
}
} break;
case NOTIFICATION_WM_CLOSE_REQUEST: {
if (screen != nullptr && screen->is_visible()) {
screen->hide();
}
} break;
}
}
Ref<Shader> ColorPicker::wheel_shader;
Ref<Shader> ColorPicker::circle_shader;
Ref<Shader> ColorPicker::circle_ok_color_shader;
void ColorPicker::init_shaders() {
wheel_shader.instantiate();
wheel_shader->set_code(R"(
// ColorPicker wheel shader.
shader_type canvas_item;
void fragment() {
float x = UV.x - 0.5;
float y = UV.y - 0.5;
float a = atan(y, x);
x += 0.001;
y += 0.001;
float b = float(sqrt(x * x + y * y) < 0.5) * float(sqrt(x * x + y * y) > 0.42);
x -= 0.002;
float b2 = float(sqrt(x * x + y * y) < 0.5) * float(sqrt(x * x + y * y) > 0.42);
y -= 0.002;
float b3 = float(sqrt(x * x + y * y) < 0.5) * float(sqrt(x * x + y * y) > 0.42);
x += 0.002;
float b4 = float(sqrt(x * x + y * y) < 0.5) * float(sqrt(x * x + y * y) > 0.42);
COLOR = vec4(clamp((abs(fract(((a - TAU) / TAU) + vec3(3.0, 2.0, 1.0) / 3.0) * 6.0 - 3.0) - 1.0), 0.0, 1.0), (b + b2 + b3 + b4) / 4.00);
}
)");
circle_shader.instantiate();
circle_shader->set_code(R"(
// ColorPicker circle shader.
shader_type canvas_item;
uniform float v = 1.0;
void fragment() {
float x = UV.x - 0.5;
float y = UV.y - 0.5;
float a = atan(y, x);
x += 0.001;
y += 0.001;
float b = float(sqrt(x * x + y * y) < 0.5);
x -= 0.002;
float b2 = float(sqrt(x * x + y * y) < 0.5);
y -= 0.002;
float b3 = float(sqrt(x * x + y * y) < 0.5);
x += 0.002;
float b4 = float(sqrt(x * x + y * y) < 0.5);
COLOR = vec4(mix(vec3(1.0), clamp(abs(fract(vec3((a - TAU) / TAU) + vec3(1.0, 2.0 / 3.0, 1.0 / 3.0)) * 6.0 - vec3(3.0)) - vec3(1.0), 0.0, 1.0), ((float(sqrt(x * x + y * y)) * 2.0)) / 1.0) * vec3(v), (b + b2 + b3 + b4) / 4.00);
})");
circle_ok_color_shader.instantiate();
circle_ok_color_shader->set_code(OK_COLOR_SHADER + R"(
// ColorPicker ok color hsv circle shader.
uniform float v = 1.0;
void fragment() {
float x = UV.x - 0.5;
float y = UV.y - 0.5;
float h = atan(y, x) / (2.0 * M_PI);
float s = sqrt(x * x + y * y) * 2.0;
vec3 col = okhsl_to_srgb(vec3(h, s, v));
x += 0.001;
y += 0.001;
float b = float(sqrt(x * x + y * y) < 0.5);
x -= 0.002;
float b2 = float(sqrt(x * x + y * y) < 0.5);
y -= 0.002;
float b3 = float(sqrt(x * x + y * y) < 0.5);
x += 0.002;
float b4 = float(sqrt(x * x + y * y) < 0.5);
COLOR = vec4(col, (b + b2 + b3 + b4) / 4.00);
})");
}
void ColorPicker::finish_shaders() {
wheel_shader.unref();
circle_shader.unref();
circle_ok_color_shader.unref();
}
void ColorPicker::set_focus_on_line_edit() {
c_text->call_deferred(SNAME("grab_focus"));
}
void ColorPicker::_update_controls() {
int mode_sliders_count = modes[current_mode]->get_slider_count();
for (int i = current_slider_count; i < mode_sliders_count; i++) {
sliders[i]->show();
labels[i]->show();
values[i]->show();
}
for (int i = mode_sliders_count; i < current_slider_count; i++) {
sliders[i]->hide();
labels[i]->hide();
values[i]->hide();
}
current_slider_count = mode_sliders_count;
for (int i = 0; i < current_slider_count; i++) {
labels[i]->set_text(modes[current_mode]->get_slider_label(i));
}
alpha_label->set_text("A");
slider_theme_modified = modes[current_mode]->apply_theme();
if (edit_alpha) {
alpha_value->show();
alpha_slider->show();
alpha_label->show();
} else {
alpha_value->hide();
alpha_slider->hide();
alpha_label->hide();
}
switch (_get_actual_shape()) {
case SHAPE_HSV_RECTANGLE:
wheel_edit->hide();
w_edit->show();
uv_edit->show();
break;
case SHAPE_HSV_WHEEL:
wheel_edit->show();
w_edit->hide();
uv_edit->hide();
wheel->set_material(wheel_mat);
break;
case SHAPE_VHS_CIRCLE:
wheel_edit->show();
w_edit->show();
uv_edit->hide();
wheel->set_material(circle_mat);
circle_mat->set_shader(circle_shader);
break;
case SHAPE_OKHSL_CIRCLE:
wheel_edit->show();
w_edit->show();
uv_edit->hide();
wheel->set_material(circle_mat);
circle_mat->set_shader(circle_ok_color_shader);
break;
default: {
}
}
}
void ColorPicker::_set_pick_color(const Color &p_color, bool p_update_sliders) {
color = p_color;
if (color != last_color) {
_copy_color_to_hsv();
last_color = color;
}
if (!is_inside_tree()) {
return;
}
_update_color(p_update_sliders);
}
void ColorPicker::set_pick_color(const Color &p_color) {
_set_pick_color(p_color, true); //because setters can't have more arguments
}
void ColorPicker::set_old_color(const Color &p_color) {
old_color = p_color;
}
void ColorPicker::set_display_old_color(bool p_enabled) {
display_old_color = p_enabled;
}
bool ColorPicker::is_displaying_old_color() const {
return display_old_color;
}
void ColorPicker::set_edit_alpha(bool p_show) {
if (edit_alpha == p_show) {
return;
}
edit_alpha = p_show;
_update_controls();
if (!is_inside_tree()) {
return;
}
_update_color();
sample->update();
}
bool ColorPicker::is_editing_alpha() const {
return edit_alpha;
}
void ColorPicker::_value_changed(double) {
if (updating) {
return;
}
color = modes[current_mode]->get_color();
if (current_mode == MODE_HSV || current_mode == MODE_OKHSL) {
h = sliders[0]->get_value() / 360.0;
s = sliders[1]->get_value() / 100.0;
v = sliders[2]->get_value() / 100.0;
last_color = color;
}
_set_pick_color(color, false);
emit_signal(SNAME("color_changed"), color);
}
void ColorPicker::add_mode(ColorMode *p_mode) {
modes.push_back(p_mode);
mode_option_button->add_item(RTR(p_mode->get_name()));
}
void ColorPicker::create_slider(GridContainer *gc, int idx) {
Label *l = memnew(Label());
l->set_v_size_flags(SIZE_SHRINK_CENTER);
gc->add_child(l);
HSlider *s = memnew(HSlider);
s->set_v_size_flags(SIZE_SHRINK_CENTER);
s->set_focus_mode(FOCUS_NONE);
gc->add_child(s);
SpinBox *v = memnew(SpinBox);
s->share(v);
gc->add_child(v);
v->get_line_edit()->connect("focus_entered", callable_mp(this, &ColorPicker::_focus_enter));
v->get_line_edit()->connect("focus_exited", callable_mp(this, &ColorPicker::_focus_exit));
s->set_h_size_flags(SIZE_EXPAND_FILL);
s->connect("value_changed", callable_mp(this, &ColorPicker::_value_changed));
s->connect("draw", callable_mp(this, &ColorPicker::_slider_draw).bind(idx));
if (idx < SLIDER_COUNT) {
sliders[idx] = s;
values[idx] = v;
labels[idx] = l;
} else {
alpha_slider = s;
alpha_value = v;
alpha_label = l;
}
}
HSlider *ColorPicker::get_slider(int idx) {
if (idx < SLIDER_COUNT) {
return sliders[idx];
}
return alpha_slider;
}
Vector<float> ColorPicker::get_active_slider_values() {
Vector<float> values;
for (int i = 0; i < current_slider_count; i++) {
values.push_back(sliders[i]->get_value());
}
values.push_back(alpha_slider->get_value());
return values;
}
void ColorPicker::_copy_color_to_hsv() {
if (_get_actual_shape() == SHAPE_OKHSL_CIRCLE) {
h = color.get_ok_hsl_h();
s = color.get_ok_hsl_s();
v = color.get_ok_hsl_l();
} else {
h = color.get_h();
s = color.get_s();
v = color.get_v();
}
}
void ColorPicker::_copy_hsv_to_color() {
if (_get_actual_shape() == SHAPE_OKHSL_CIRCLE) {
color.set_ok_hsl(h, s, v, color.a);
} else {
color.set_hsv(h, s, v, color.a);
}
}
ColorPicker::PickerShapeType ColorPicker::_get_actual_shape() const {
return modes[current_mode]->get_shape_override() != SHAPE_MAX ? modes[current_mode]->get_shape_override() : current_shape;
}
void ColorPicker::_reset_theme() {
Ref<StyleBoxEmpty> style_box_empty(memnew(StyleBoxEmpty));
for (int i = 0; i < SLIDER_COUNT; i++) {
sliders[i]->add_theme_icon_override("grabber", get_theme_icon(SNAME("bar_arrow"), SNAME("ColorPicker")));
sliders[i]->add_theme_icon_override("grabber_highlight", get_theme_icon(SNAME("bar_arrow"), SNAME("ColorPicker")));
sliders[i]->add_theme_style_override("slider", style_box_empty);
sliders[i]->add_theme_style_override("grabber_area", style_box_empty);
sliders[i]->add_theme_style_override("grabber_area_highlight", style_box_empty);
}
alpha_slider->add_theme_icon_override("grabber", get_theme_icon(SNAME("bar_arrow"), SNAME("ColorPicker")));
alpha_slider->add_theme_icon_override("grabber_highlight", get_theme_icon(SNAME("bar_arrow"), SNAME("ColorPicker")));
alpha_slider->add_theme_style_override("slider", style_box_empty);
alpha_slider->add_theme_style_override("grabber_area", style_box_empty);
alpha_slider->add_theme_style_override("grabber_area_highlight", style_box_empty);
}
void ColorPicker::_html_submitted(const String &p_html) {
if (updating || text_is_constructor || !c_text->is_visible()) {
return;
}
float last_alpha = color.a;
color = Color::html(p_html);
if (!is_editing_alpha()) {
color.a = last_alpha;
}
if (!is_inside_tree()) {
return;
}
set_pick_color(color);
emit_signal(SNAME("color_changed"), color);
}
void ColorPicker::_update_color(bool p_update_sliders) {
updating = true;
if (p_update_sliders) {
float step = modes[current_mode]->get_slider_step();
for (int i = 0; i < current_slider_count; i++) {
sliders[i]->set_max(modes[current_mode]->get_slider_max(i));
sliders[i]->set_step(step);
sliders[i]->set_value(modes[current_mode]->get_slider_value(i));
}
alpha_slider->set_max(modes[current_mode]->get_slider_max(current_slider_count));
alpha_slider->set_step(step);
alpha_slider->set_value(modes[current_mode]->get_slider_value(current_slider_count));
}
_update_text_value();
sample->update();
uv_edit->update();
w_edit->update();
for (int i = 0; i < current_slider_count; i++) {
sliders[i]->update();
}
alpha_slider->update();
wheel->update();
wheel_uv->update();
updating = false;
}
void ColorPicker::_update_presets() {
int preset_size = _get_preset_size();
// Only update the preset button size if it has changed.
if (preset_size != prev_preset_size) {
prev_preset_size = preset_size;
btn_add_preset->set_custom_minimum_size(Size2(preset_size, preset_size));
for (int i = 1; i < preset_container->get_child_count(); i++) {
ColorPresetButton *cpb = Object::cast_to<ColorPresetButton>(preset_container->get_child(i));
cpb->set_custom_minimum_size(Size2(preset_size, preset_size));
}
}
// Only load preset buttons when the only child is the add-preset button.
if (preset_container->get_child_count() == 1) {
for (int i = 0; i < preset_cache.size(); i++) {
_add_preset_button(preset_size, preset_cache[i]);
}
_notification(NOTIFICATION_VISIBILITY_CHANGED);
}
}
void ColorPicker::_text_type_toggled() {
text_is_constructor = !text_is_constructor;
if (text_is_constructor) {
text_type->set_text("");
text_type->set_icon(get_theme_icon(SNAME("Script"), SNAME("EditorIcons")));
c_text->set_editable(false);
} else {
text_type->set_text("#");
text_type->set_icon(nullptr);
c_text->set_editable(true);
}
_update_color();
}
Color ColorPicker::get_pick_color() const {
return color;
}
void ColorPicker::set_picker_shape(PickerShapeType p_shape) {
ERR_FAIL_INDEX(p_shape, SHAPE_MAX);
if (current_shape == p_shape) {
return;
}
current_shape = p_shape;
_copy_color_to_hsv();
_update_controls();
_update_color();
}
ColorPicker::PickerShapeType ColorPicker::get_picker_shape() const {
return current_shape;
}
inline int ColorPicker::_get_preset_size() {
return (int(get_minimum_size().width) - (preset_container->get_theme_constant(SNAME("h_separation")) * (preset_column_count - 1))) / preset_column_count;
}
void ColorPicker::_add_preset_button(int p_size, const Color &p_color) {
ColorPresetButton *btn_preset = memnew(ColorPresetButton(p_color));
btn_preset->set_preset_color(p_color);
btn_preset->set_custom_minimum_size(Size2(p_size, p_size));
btn_preset->connect("gui_input", callable_mp(this, &ColorPicker::_preset_input).bind(p_color));
btn_preset->set_tooltip_text(vformat(RTR("Color: #%s\nLMB: Apply color\nRMB: Remove preset"), p_color.to_html(p_color.a < 1)));
preset_container->add_child(btn_preset);
}
void ColorPicker::_set_color_mode(ColorModeType p_mode) {
if (slider_theme_modified) {
_reset_theme();
}
current_mode = p_mode;
if (!is_inside_tree()) {
return;
}
_update_controls();
_update_color();
}
void ColorPicker::add_preset(const Color &p_color) {
if (presets.find(p_color)) {
presets.move_to_back(presets.find(p_color));
// Find button to move to the end.
for (int i = 1; i < preset_container->get_child_count(); i++) {
ColorPresetButton *current_btn = Object::cast_to<ColorPresetButton>(preset_container->get_child(i));
if (current_btn && p_color == current_btn->get_preset_color()) {
preset_container->move_child(current_btn, preset_container->get_child_count() - 1);
break;
}
}
} else {
presets.push_back(p_color);
preset_cache.push_back(p_color);
_add_preset_button(_get_preset_size(), p_color);
}
#ifdef TOOLS_ENABLED
if (Engine::get_singleton()->is_editor_hint()) {
PackedColorArray arr_to_save = get_presets();
EditorSettings::get_singleton()->set_project_metadata("color_picker", "presets", arr_to_save);
}
#endif
}
void ColorPicker::erase_preset(const Color &p_color) {
if (presets.find(p_color)) {
presets.erase(presets.find(p_color));
preset_cache.erase(preset_cache.find(p_color));
// Find preset button to remove.
for (int i = 1; i < preset_container->get_child_count(); i++) {
ColorPresetButton *current_btn = Object::cast_to<ColorPresetButton>(preset_container->get_child(i));
if (current_btn && p_color == current_btn->get_preset_color()) {
current_btn->queue_delete();
break;
}
}
#ifdef TOOLS_ENABLED
if (Engine::get_singleton()->is_editor_hint()) {
PackedColorArray arr_to_save = get_presets();
EditorSettings::get_singleton()->set_project_metadata("color_picker", "presets", arr_to_save);
}
#endif
}
}
PackedColorArray ColorPicker::get_presets() const {
PackedColorArray arr;
arr.resize(presets.size());
for (int i = 0; i < presets.size(); i++) {
arr.set(i, presets[i]);
}
return arr;
}
void ColorPicker::set_color_mode(ColorModeType p_mode) {
ERR_FAIL_INDEX(p_mode, MODE_MAX);
mode_option_button->select(p_mode);
_set_color_mode(p_mode);
}
ColorPicker::ColorModeType ColorPicker::get_color_mode() const {
return current_mode;
}
void ColorPicker::set_deferred_mode(bool p_enabled) {
deferred_mode_enabled = p_enabled;
}
bool ColorPicker::is_deferred_mode() const {
return deferred_mode_enabled;
}
void ColorPicker::_update_text_value() {
bool visible = true;
if (text_is_constructor) {
String t = "Color(" + String::num(color.r) + ", " + String::num(color.g) + ", " + String::num(color.b);
if (edit_alpha && color.a < 1) {
t += ", " + String::num(color.a) + ")";
} else {
t += ")";
}
c_text->set_text(t);
}
if (color.r > 1 || color.g > 1 || color.b > 1 || color.r < 0 || color.g < 0 || color.b < 0) {
visible = false;
} else if (!text_is_constructor) {
c_text->set_text(color.to_html(edit_alpha && color.a < 1));
}
text_type->set_visible(visible);
c_text->set_visible(visible);
}
void ColorPicker::_sample_input(const Ref<InputEvent> &p_event) {
const Ref<InputEventMouseButton> mb = p_event;
if (mb.is_valid() && mb->is_pressed() && mb->get_button_index() == MouseButton::LEFT) {
const Rect2 rect_old = Rect2(Point2(), Size2(sample->get_size().width * 0.5, sample->get_size().height * 0.95));
if (rect_old.has_point(mb->get_position())) {
// Revert to the old color when left-clicking the old color sample.
set_pick_color(old_color);
emit_signal(SNAME("color_changed"), color);
}
}
}
void ColorPicker::_sample_draw() {
// Covers the right half of the sample if the old color is being displayed,
// or the whole sample if it's not being displayed.
Rect2 rect_new;
if (display_old_color) {
rect_new = Rect2(Point2(sample->get_size().width * 0.5, 0), Size2(sample->get_size().width * 0.5, sample->get_size().height * 0.95));
// Draw both old and new colors for easier comparison (only if spawned from a ColorPickerButton).
const Rect2 rect_old = Rect2(Point2(), Size2(sample->get_size().width * 0.5, sample->get_size().height * 0.95));
if (display_old_color && old_color.a < 1.0) {
sample->draw_texture_rect(get_theme_icon(SNAME("sample_bg"), SNAME("ColorPicker")), rect_old, true);
}
sample->draw_rect(rect_old, old_color);
if (old_color.r > 1 || old_color.g > 1 || old_color.b > 1) {
// Draw an indicator to denote that the old color is "overbright" and can't be displayed accurately in the preview.
sample->draw_texture(get_theme_icon(SNAME("overbright_indicator"), SNAME("ColorPicker")), Point2());
}
} else {
rect_new = Rect2(Point2(), Size2(sample->get_size().width, sample->get_size().height * 0.95));
}
if (color.a < 1.0) {
sample->draw_texture_rect(get_theme_icon(SNAME("sample_bg"), SNAME("ColorPicker")), rect_new, true);
}
sample->draw_rect(rect_new, color);
if (color.r > 1 || color.g > 1 || color.b > 1) {
// Draw an indicator to denote that the new color is "overbright" and can't be displayed accurately in the preview.
sample->draw_texture(get_theme_icon(SNAME("overbright_indicator"), SNAME("ColorPicker")), Point2(uv_edit->get_size().width * 0.5, 0));
}
}
void ColorPicker::_hsv_draw(int p_which, Control *c) {
if (!c) {
return;
}
PickerShapeType actual_shape = _get_actual_shape();
if (p_which == 0) {
Vector<Point2> points;
Vector<Color> colors;
Vector<Color> colors2;
Color col = color;
Vector2 center = c->get_size() / 2.0;
switch (actual_shape) {
case SHAPE_HSV_WHEEL: {
points.resize(4);
colors.resize(4);
colors2.resize(4);
real_t ring_radius_x = Math_SQRT12 * c->get_size().width * 0.42;
real_t ring_radius_y = Math_SQRT12 * c->get_size().height * 0.42;
points.set(0, center - Vector2(ring_radius_x, ring_radius_y));
points.set(1, center + Vector2(ring_radius_x, -ring_radius_y));
points.set(2, center + Vector2(ring_radius_x, ring_radius_y));
points.set(3, center + Vector2(-ring_radius_x, ring_radius_y));
colors.set(0, Color(1, 1, 1, 1));
colors.set(1, Color(1, 1, 1, 1));
colors.set(2, Color(0, 0, 0, 1));
colors.set(3, Color(0, 0, 0, 1));
c->draw_polygon(points, colors);
col.set_hsv(h, 1, 1);
col.a = 0;
colors2.set(0, col);
col.a = 1;
colors2.set(1, col);
col.set_hsv(h, 1, 0);
colors2.set(2, col);
col.a = 0;
colors2.set(3, col);
c->draw_polygon(points, colors2);
break;
}
case SHAPE_HSV_RECTANGLE: {
points.resize(4);
colors.resize(4);
colors2.resize(4);
points.set(0, Vector2());
points.set(1, Vector2(c->get_size().x, 0));
points.set(2, c->get_size());
points.set(3, Vector2(0, c->get_size().y));
colors.set(0, Color(1, 1, 1, 1));
colors.set(1, Color(1, 1, 1, 1));
colors.set(2, Color(0, 0, 0, 1));
colors.set(3, Color(0, 0, 0, 1));
c->draw_polygon(points, colors);
col = color;
col.set_hsv(h, 1, 1);
col.a = 0;
colors2.set(0, col);
col.a = 1;
colors2.set(1, col);
col.set_hsv(h, 1, 0);
colors2.set(2, col);
col.a = 0;
colors2.set(3, col);
c->draw_polygon(points, colors2);
break;
}
default: {
}
}
Ref<Texture2D> cursor = get_theme_icon(SNAME("picker_cursor"), SNAME("ColorPicker"));
int x;
int y;
if (actual_shape == SHAPE_VHS_CIRCLE || actual_shape == SHAPE_OKHSL_CIRCLE) {
x = center.x + (center.x * Math::cos(h * Math_TAU) * s) - (cursor->get_width() / 2);
y = center.y + (center.y * Math::sin(h * Math_TAU) * s) - (cursor->get_height() / 2);
} else {
real_t corner_x = (c == wheel_uv) ? center.x - Math_SQRT12 * c->get_size().width * 0.42 : 0;
real_t corner_y = (c == wheel_uv) ? center.y - Math_SQRT12 * c->get_size().height * 0.42 : 0;
Size2 real_size(c->get_size().x - corner_x * 2, c->get_size().y - corner_y * 2);
x = CLAMP(real_size.x * s, 0, real_size.x) + corner_x - (cursor->get_width() / 2);
y = CLAMP(real_size.y - real_size.y * v, 0, real_size.y) + corner_y - (cursor->get_height() / 2);
}
c->draw_texture(cursor, Point2(x, y));
col.set_hsv(h, 1, 1);
if (actual_shape == SHAPE_HSV_WHEEL) {
points.resize(4);
double h1 = h - (0.5 / 360);
double h2 = h + (0.5 / 360);
points.set(0, Point2(center.x + (center.x * Math::cos(h1 * Math_TAU)), center.y + (center.y * Math::sin(h1 * Math_TAU))));
points.set(1, Point2(center.x + (center.x * Math::cos(h1 * Math_TAU) * 0.84), center.y + (center.y * Math::sin(h1 * Math_TAU) * 0.84)));
points.set(2, Point2(center.x + (center.x * Math::cos(h2 * Math_TAU)), center.y + (center.y * Math::sin(h2 * Math_TAU))));
points.set(3, Point2(center.x + (center.x * Math::cos(h2 * Math_TAU) * 0.84), center.y + (center.y * Math::sin(h2 * Math_TAU) * 0.84)));
c->draw_multiline(points, col.inverted());
}
} else if (p_which == 1) {
if (actual_shape == SHAPE_HSV_RECTANGLE) {
Ref<Texture2D> hue = get_theme_icon(SNAME("color_hue"), SNAME("ColorPicker"));
c->draw_texture_rect(hue, Rect2(Point2(), c->get_size()));
int y = c->get_size().y - c->get_size().y * (1.0 - h);
Color col;
col.set_hsv(h, 1, 1);
c->draw_line(Point2(0, y), Point2(c->get_size().x, y), col.inverted());
} else if (actual_shape == SHAPE_OKHSL_CIRCLE) {
Vector<Point2> points;
Vector<Color> colors;
Color col;
col.set_ok_hsl(h, s, 1);
points.resize(4);
colors.resize(4);
points.set(0, Vector2());
points.set(1, Vector2(c->get_size().x, 0));
points.set(2, c->get_size());
points.set(3, Vector2(0, c->get_size().y));
colors.set(0, col);
colors.set(1, col);
colors.set(2, Color(0, 0, 0));
colors.set(3, Color(0, 0, 0));
c->draw_polygon(points, colors);
int y = c->get_size().y - c->get_size().y * CLAMP(v, 0, 1);
col.set_ok_hsl(h, 1, v);
c->draw_line(Point2(0, y), Point2(c->get_size().x, y), col.inverted());
} else if (actual_shape == SHAPE_VHS_CIRCLE) {
Vector<Point2> points;
Vector<Color> colors;
Color col;
col.set_hsv(h, s, 1);
points.resize(4);
colors.resize(4);
points.set(0, Vector2());
points.set(1, Vector2(c->get_size().x, 0));
points.set(2, c->get_size());
points.set(3, Vector2(0, c->get_size().y));
colors.set(0, col);
colors.set(1, col);
colors.set(2, Color(0, 0, 0));
colors.set(3, Color(0, 0, 0));
c->draw_polygon(points, colors);
int y = c->get_size().y - c->get_size().y * CLAMP(v, 0, 1);
col.set_hsv(h, 1, v);
c->draw_line(Point2(0, y), Point2(c->get_size().x, y), col.inverted());
}
} else if (p_which == 2) {
c->draw_rect(Rect2(Point2(), c->get_size()), Color(1, 1, 1));
if (actual_shape == SHAPE_VHS_CIRCLE || actual_shape == SHAPE_OKHSL_CIRCLE) {
circle_mat->set_shader_uniform("v", v);
}
}
}
void ColorPicker::_slider_draw(int p_which) {
modes[current_mode]->slider_draw(p_which);
}
void ColorPicker::_uv_input(const Ref<InputEvent> &p_event, Control *c) {
Ref<InputEventMouseButton> bev = p_event;
PickerShapeType current_picker = _get_actual_shape();
if (bev.is_valid()) {
if (bev->is_pressed() && bev->get_button_index() == MouseButton::LEFT) {
Vector2 center = c->get_size() / 2.0;
if (current_picker == SHAPE_VHS_CIRCLE || current_picker == SHAPE_OKHSL_CIRCLE) {
real_t dist = center.distance_to(bev->get_position());
if (dist <= center.x) {
real_t rad = center.angle_to_point(bev->get_position());
h = ((rad >= 0) ? rad : (Math_TAU + rad)) / Math_TAU;
s = CLAMP(dist / center.x, 0, 1);
} else {
return;
}
} else {
real_t corner_x = (c == wheel_uv) ? center.x - Math_SQRT12 * c->get_size().width * 0.42 : 0;
real_t corner_y = (c == wheel_uv) ? center.y - Math_SQRT12 * c->get_size().height * 0.42 : 0;
Size2 real_size(c->get_size().x - corner_x * 2, c->get_size().y - corner_y * 2);
if (bev->get_position().x < corner_x || bev->get_position().x > c->get_size().x - corner_x ||
bev->get_position().y < corner_y || bev->get_position().y > c->get_size().y - corner_y) {
{
real_t dist = center.distance_to(bev->get_position());
if (dist >= center.x * 0.84 && dist <= center.x) {
real_t rad = center.angle_to_point(bev->get_position());
h = ((rad >= 0) ? rad : (Math_TAU + rad)) / Math_TAU;
spinning = true;
} else {
return;
}
}
}
if (!spinning) {
real_t x = CLAMP(bev->get_position().x, corner_x, c->get_size().x - corner_x);
real_t y = CLAMP(bev->get_position().y, corner_x, c->get_size().y - corner_y);
s = (x - c->get_position().x - corner_x) / real_size.x;
v = 1.0 - (y - c->get_position().y - corner_y) / real_size.y;
}
}
changing_color = true;
_copy_hsv_to_color();
last_color = color;
set_pick_color(color);
_update_color();
if (!deferred_mode_enabled) {
emit_signal(SNAME("color_changed"), color);
}
} else if (deferred_mode_enabled && !bev->is_pressed() && bev->get_button_index() == MouseButton::LEFT) {
emit_signal(SNAME("color_changed"), color);
changing_color = false;
spinning = false;
} else {
changing_color = false;
spinning = false;
}
}
Ref<InputEventMouseMotion> mev = p_event;
if (mev.is_valid()) {
if (!changing_color) {
return;
}
Vector2 center = c->get_size() / 2.0;
if (current_picker == SHAPE_VHS_CIRCLE || current_picker == SHAPE_OKHSL_CIRCLE) {
real_t dist = center.distance_to(mev->get_position());
real_t rad = center.angle_to_point(mev->get_position());
h = ((rad >= 0) ? rad : (Math_TAU + rad)) / Math_TAU;
s = CLAMP(dist / center.x, 0, 1);
} else {
if (spinning) {
real_t rad = center.angle_to_point(mev->get_position());
h = ((rad >= 0) ? rad : (Math_TAU + rad)) / Math_TAU;
} else {
real_t corner_x = (c == wheel_uv) ? center.x - Math_SQRT12 * c->get_size().width * 0.42 : 0;
real_t corner_y = (c == wheel_uv) ? center.y - Math_SQRT12 * c->get_size().height * 0.42 : 0;
Size2 real_size(c->get_size().x - corner_x * 2, c->get_size().y - corner_y * 2);
real_t x = CLAMP(mev->get_position().x, corner_x, c->get_size().x - corner_x);
real_t y = CLAMP(mev->get_position().y, corner_x, c->get_size().y - corner_y);
s = (x - corner_x) / real_size.x;
v = 1.0 - (y - corner_y) / real_size.y;
}
}
_copy_hsv_to_color();
last_color = color;
set_pick_color(color);
_update_color();
if (!deferred_mode_enabled) {
emit_signal(SNAME("color_changed"), color);
}
}
}
void ColorPicker::_w_input(const Ref<InputEvent> &p_event) {
Ref<InputEventMouseButton> bev = p_event;
PickerShapeType actual_shape = _get_actual_shape();
if (bev.is_valid()) {
if (bev->is_pressed() && bev->get_button_index() == MouseButton::LEFT) {
changing_color = true;
float y = CLAMP((float)bev->get_position().y, 0, w_edit->get_size().height);
if (actual_shape == SHAPE_VHS_CIRCLE || actual_shape == SHAPE_OKHSL_CIRCLE) {
v = 1.0 - (y / w_edit->get_size().height);
} else {
h = y / w_edit->get_size().height;
}
} else {
changing_color = false;
}
_copy_hsv_to_color();
last_color = color;
set_pick_color(color);
_update_color();
if (!deferred_mode_enabled) {
emit_signal(SNAME("color_changed"), color);
} else if (!bev->is_pressed() && bev->get_button_index() == MouseButton::LEFT) {
emit_signal(SNAME("color_changed"), color);
}
}
Ref<InputEventMouseMotion> mev = p_event;