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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 "scene/resources/gradient_texture.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, get_slider_count(), String(), "Couldn't get slider label.");
- return labels[idx];
- }
- float ColorModeRGB::get_slider_value(int idx) const {
- ERR_FAIL_INDEX_V_MSG(idx, get_slider_count(), 0, "Couldn't get slider value.");
- return color_picker->color_normalized.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::_greater_value_inputted() {
- HSlider **sliders = color_picker->sliders;
- Color color_prev = color_picker->color;
- for (int i = 0; i < 3; i++) {
- if (sliders[i]->get_value() > 255) {
- color_prev.components[i] = sliders[i]->get_value() / 255.0;
- }
- }
- Color linear_color = color_prev.srgb_to_linear();
- float multiplier = MAX(1, MAX(MAX(linear_color.r, linear_color.g), linear_color.b));
- Color srgb = Color(linear_color.r / multiplier, linear_color.g / multiplier, linear_color.b / multiplier, linear_color.a).linear_to_srgb();
- sliders[0]->set_value_no_signal(srgb.r * 255);
- sliders[1]->set_value_no_signal(srgb.g * 255);
- sliders[2]->set_value_no_signal(srgb.b * 255);
- color_picker->intensity = Math::log2(multiplier);
- color_picker->intensity_slider->set_value_no_signal(color_picker->intensity);
- }
- 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->color_normalized;
- const real_t margin = 16 * color_picker->theme_cache.base_scale;
- 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);
- if (rgb_texture[p_which].is_null()) {
- rgb_texture[p_which].instantiate();
- rgb_texture[p_which]->set_width(400);
- rgb_texture[p_which]->set_height(6);
- }
- Ref<GradientTexture2D> gradient_texture = rgb_texture[p_which];
- Ref<Gradient> gradient = gradient_texture->get_gradient();
- if (gradient.is_null()) {
- gradient.instantiate();
- PackedFloat32Array offsets = { 0, 1 };
- gradient->set_offsets(offsets);
- gradient->set_interpolation_color_space(Gradient::ColorSpace::GRADIENT_COLOR_SPACE_SRGB);
- gradient_texture->set_gradient(gradient);
- }
- PackedColorArray colors = { left_color, right_color };
- gradient->set_colors(colors);
- slider->draw_texture_rect(gradient_texture, Rect2(Vector2(), Vector2(size.x, margin)), false);
- }
- void ColorModeHSV::_value_changed() {
- Vector<float> values = color_picker->get_active_slider_values();
- if (values[1] > 0 || values[0] != cached_hue) {
- cached_hue = values[0];
- }
- if (values[2] > 0 || values[1] != cached_saturation) {
- cached_saturation = values[1];
- }
- // Cache real HSV values in ColorPicker.
- color_picker->h = color_picker->sliders[0]->get_value() / 360.0;
- color_picker->s = color_picker->sliders[1]->get_value() / 100.0;
- color_picker->v = color_picker->sliders[2]->get_value() / 100.0;
- color_picker->hsv_cached = true;
- }
- String ColorModeHSV::get_slider_label(int idx) const {
- ERR_FAIL_INDEX_V_MSG(idx, get_slider_count(), String(), "Couldn't get slider label.");
- return labels[idx];
- }
- float ColorModeHSV::get_slider_max(int idx) const {
- ERR_FAIL_INDEX_V_MSG(idx, get_slider_count(), 0, "Couldn't get slider max value.");
- return slider_max[idx];
- }
- float ColorModeHSV::get_slider_value(int idx) const {
- switch (idx) {
- case 0: {
- if (color_picker->color_normalized.get_s() > 0) {
- return color_picker->color_normalized.get_h() * 360.0;
- } else {
- return cached_hue;
- }
- }
- case 1: {
- if (color_picker->color_normalized.get_v() > 0) {
- return color_picker->color_normalized.get_s() * 100.0;
- } else {
- return cached_saturation;
- }
- }
- case 2:
- return color_picker->color_normalized.get_v() * 100.0;
- 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::from_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->color_normalized;
- const real_t margin = 16 * color_picker->theme_cache.base_scale;
- if (p_which == 0) {
- float v = color.get_v();
- left_color = Color(v, v, v);
- right_color = left_color;
- } 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);
- float s_col_hue = (Math::is_zero_approx(color.get_s())) ? cached_hue / 360.0 : color.get_h();
- s_col.set_hsv(s_col_hue, 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);
- if (p_which == 0) { // H
- Ref<Texture2D> hue = color_picker->theme_cache.color_hue;
- slider->draw_texture_rect(hue, Rect2(Vector2(), Vector2(size.x, margin)), false, Color::from_hsv(0, 0, color.get_v(), color.get_s()));
- }
- }
- String ColorModeLinear::get_slider_label(int idx) const {
- ERR_FAIL_INDEX_V_MSG(idx, get_slider_count(), String(), "Couldn't get slider label.");
- return labels[idx];
- }
- float ColorModeLinear::get_slider_max(int idx) const {
- ERR_FAIL_INDEX_V_MSG(idx, get_slider_count(), 0, "Couldn't get slider max value.");
- return slider_max[idx];
- }
- float ColorModeLinear::get_slider_value(int idx) const {
- ERR_FAIL_INDEX_V_MSG(idx, get_slider_count(), 0, "Couldn't get slider value.");
- Color color = color_picker->color_normalized.srgb_to_linear();
- return color.components[idx];
- }
- float ColorModeLinear::get_alpha_slider_max() const {
- return 1;
- }
- float ColorModeLinear::get_alpha_slider_value() const {
- return color_picker->get_pick_color().a;
- }
- Color ColorModeLinear::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.linear_to_srgb();
- }
- void ColorModeLinear::_greater_value_inputted() {
- HSlider **sliders = color_picker->sliders;
- Color color_prev = color_picker->color;
- Color linear_color = color_prev.srgb_to_linear();
- for (int i = 0; i < 3; i++) {
- if (sliders[i]->get_value() > 1 + CMP_EPSILON) {
- linear_color.components[i] = sliders[i]->get_value();
- }
- }
- float multiplier = MAX(1, MAX(MAX(linear_color.r, linear_color.g), linear_color.b));
- sliders[0]->set_value_no_signal(linear_color.r / multiplier);
- sliders[1]->set_value_no_signal(linear_color.g / multiplier);
- sliders[2]->set_value_no_signal(linear_color.b / multiplier);
- color_picker->intensity = Math::log2(multiplier);
- color_picker->intensity_slider->set_value_no_signal(color_picker->intensity);
- }
- void ColorModeLinear::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->color_normalized.linear_to_srgb();
- const real_t margin = 16 * color_picker->theme_cache.base_scale;
- 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);
- if (rgb_texture[p_which].is_null()) {
- rgb_texture[p_which].instantiate();
- rgb_texture[p_which]->set_width(400);
- rgb_texture[p_which]->set_height(6);
- }
- Ref<GradientTexture2D> gradient_texture = rgb_texture[p_which];
- Ref<Gradient> gradient = gradient_texture->get_gradient();
- if (gradient.is_null()) {
- gradient.instantiate();
- PackedFloat32Array offsets = { 0, 1 };
- gradient->set_offsets(offsets);
- gradient->set_interpolation_color_space(Gradient::ColorSpace::GRADIENT_COLOR_SPACE_LINEAR_SRGB);
- gradient_texture->set_gradient(gradient);
- }
- PackedColorArray colors = { left_color, right_color };
- gradient->set_colors(colors);
- slider->draw_texture_rect(gradient_texture, Rect2(Vector2(), Vector2(size.x, margin)), false);
- }
- void ColorModeOKHSL::_value_changed() {
- Vector<float> values = color_picker->get_active_slider_values();
- if (values[1] > 0 || values[0] != cached_hue) {
- cached_hue = values[0];
- }
- if (values[2] > 0 || values[1] != cached_saturation) {
- cached_saturation = values[1];
- }
- // Cache real OKHSL values in ColorPicker.
- color_picker->ok_hsl_h = color_picker->sliders[0]->get_value() / 360.0;
- color_picker->ok_hsl_s = color_picker->sliders[1]->get_value() / 100.0;
- color_picker->ok_hsl_l = color_picker->sliders[2]->get_value() / 100.0;
- color_picker->okhsl_cached = true;
- }
- String ColorModeOKHSL::get_slider_label(int idx) const {
- ERR_FAIL_INDEX_V_MSG(idx, get_slider_count(), String(), "Couldn't get slider label.");
- return labels[idx];
- }
- float ColorModeOKHSL::get_slider_max(int idx) const {
- ERR_FAIL_INDEX_V_MSG(idx, get_slider_count(), 0, "Couldn't get slider max value.");
- return slider_max[idx];
- }
- float ColorModeOKHSL::get_slider_value(int idx) const {
- switch (idx) {
- case 0: {
- if (color_picker->color_normalized.get_ok_hsl_s() > 0) {
- return color_picker->color_normalized.get_ok_hsl_h() * 360.0;
- } else {
- return cached_hue;
- }
- }
- case 1: {
- if (color_picker->color_normalized.get_ok_hsl_l() > 0) {
- return color_picker->color_normalized.get_ok_hsl_s() * 100.0;
- } else {
- return cached_saturation;
- }
- }
- case 2:
- return color_picker->color_normalized.get_ok_hsl_l() * 100.0;
- 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::from_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->theme_cache.base_scale;
- Vector<Vector2> pos;
- Vector<Color> col;
- Color left_color;
- Color right_color;
- Color color = color_picker->color_normalized;
- float okhsl_l = color.get_ok_hsl_l();
- float slider_hue = (Math::is_zero_approx(color.get_ok_hsl_s())) ? cached_hue / 360.0 : color.get_ok_hsl_h();
- float slider_sat = (Math::is_zero_approx(okhsl_l) || Math::is_equal_approx(okhsl_l, 1)) ? cached_saturation / 100.0 : color.get_ok_hsl_s();
- if (p_which == 2) { // L
- pos.resize(6);
- col.resize(6);
- left_color = Color(0, 0, 0);
- Color middle_color = Color::from_ok_hsl(slider_hue, slider_sat, 0.5);
- right_color.set_ok_hsl(slider_hue, slider_sat, 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));
- slider->draw_polygon(pos, col);
- } else if (p_which == 1) { // S
- pos.resize(4);
- col.resize(4);
- left_color.set_ok_hsl(slider_hue, 0, okhsl_l);
- right_color.set_ok_hsl(slider_hue, 1, okhsl_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);
- } else if (p_which == 0) { // H
- const int precision = 7;
- if (hue_texture.is_null()) {
- hue_texture.instantiate();
- hue_texture->set_width(400);
- hue_texture->set_height(6);
- }
- Ref<Gradient> hue_gradient = hue_texture->get_gradient();
- if (hue_gradient.is_null()) {
- hue_gradient.instantiate();
- PackedFloat32Array offsets;
- offsets.resize(precision);
- for (int i = 0; i < precision; i++) {
- float h = i / float(precision - 1);
- offsets.write[i] = h;
- }
- hue_gradient->set_offsets(offsets);
- hue_gradient->set_interpolation_color_space(Gradient::ColorSpace::GRADIENT_COLOR_SPACE_OKLAB);
- hue_texture->set_gradient(hue_gradient);
- }
- PackedColorArray colors;
- colors.resize(precision);
- for (int i = 0; i < precision; i++) {
- float h = i / float(precision - 1);
- colors.write[i] = Color::from_ok_hsl(h, slider_sat, okhsl_l);
- }
- hue_gradient->set_colors(colors);
- slider->draw_texture_rect(hue_texture, Rect2(Vector2(), Vector2(size.x, margin)), false);
- }
- }
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