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8a9409257b
Add intensity slider to all color modes. Replace raw mode by linear mode, which uses linear color space. When color is overbright, automatically switch hex text to script text. Allow executing expression in script text field to set color. Add the "script" icon to the default theme.
460 lines
15 KiB
C++
460 lines
15 KiB
C++
/**************************************************************************/
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/* color_mode.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "color_mode.h"
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#include "core/math/color.h"
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#include "scene/gui/slider.h"
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#include "scene/resources/gradient_texture.h"
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ColorMode::ColorMode(ColorPicker *p_color_picker) {
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color_picker = p_color_picker;
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}
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String ColorModeRGB::get_slider_label(int idx) const {
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ERR_FAIL_INDEX_V_MSG(idx, get_slider_count(), String(), "Couldn't get slider label.");
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return labels[idx];
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}
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float ColorModeRGB::get_slider_value(int idx) const {
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ERR_FAIL_INDEX_V_MSG(idx, get_slider_count(), 0, "Couldn't get slider value.");
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return color_picker->color_normalized.components[idx] * 255;
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}
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Color ColorModeRGB::get_color() const {
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Vector<float> values = color_picker->get_active_slider_values();
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Color color;
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for (int i = 0; i < 4; i++) {
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color.components[i] = values[i] / 255.0;
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}
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return color;
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}
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void ColorModeRGB::_greater_value_inputted() {
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HSlider **sliders = color_picker->sliders;
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Color color_prev = color_picker->color;
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for (int i = 0; i < 3; i++) {
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if (sliders[i]->get_value() > 255) {
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color_prev.components[i] = sliders[i]->get_value() / 255.0;
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}
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}
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Color linear_color = color_prev.srgb_to_linear();
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float multiplier = MAX(1, MAX(MAX(linear_color.r, linear_color.g), linear_color.b));
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Color srgb = Color(linear_color.r / multiplier, linear_color.g / multiplier, linear_color.b / multiplier, linear_color.a).linear_to_srgb();
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sliders[0]->set_value_no_signal(srgb.r * 255);
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sliders[1]->set_value_no_signal(srgb.g * 255);
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sliders[2]->set_value_no_signal(srgb.b * 255);
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color_picker->intensity = Math::log2(multiplier);
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color_picker->intensity_slider->set_value_no_signal(color_picker->intensity);
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}
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void ColorModeRGB::slider_draw(int p_which) {
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Vector<Vector2> pos;
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pos.resize(4);
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Vector<Color> col;
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col.resize(4);
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HSlider *slider = color_picker->get_slider(p_which);
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Size2 size = slider->get_size();
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Color left_color;
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Color right_color;
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Color color = color_picker->color_normalized;
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const real_t margin = 16 * color_picker->theme_cache.base_scale;
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left_color = Color(
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p_which == 0 ? 0 : color.r,
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p_which == 1 ? 0 : color.g,
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p_which == 2 ? 0 : color.b);
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right_color = Color(
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p_which == 0 ? 1 : color.r,
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p_which == 1 ? 1 : color.g,
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p_which == 2 ? 1 : color.b);
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if (rgb_texture[p_which].is_null()) {
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rgb_texture[p_which].instantiate();
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rgb_texture[p_which]->set_width(400);
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rgb_texture[p_which]->set_height(6);
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}
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Ref<GradientTexture2D> gradient_texture = rgb_texture[p_which];
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Ref<Gradient> gradient = gradient_texture->get_gradient();
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if (gradient.is_null()) {
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gradient.instantiate();
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PackedFloat32Array offsets = { 0, 1 };
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gradient->set_offsets(offsets);
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gradient->set_interpolation_color_space(Gradient::ColorSpace::GRADIENT_COLOR_SPACE_SRGB);
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gradient_texture->set_gradient(gradient);
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}
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PackedColorArray colors = { left_color, right_color };
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gradient->set_colors(colors);
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slider->draw_texture_rect(gradient_texture, Rect2(Vector2(), Vector2(size.x, margin)), false);
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}
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void ColorModeHSV::_value_changed() {
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Vector<float> values = color_picker->get_active_slider_values();
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if (values[1] > 0 || values[0] != cached_hue) {
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cached_hue = values[0];
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}
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if (values[2] > 0 || values[1] != cached_saturation) {
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cached_saturation = values[1];
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}
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// Cache real HSV values in ColorPicker.
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color_picker->h = color_picker->sliders[0]->get_value() / 360.0;
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color_picker->s = color_picker->sliders[1]->get_value() / 100.0;
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color_picker->v = color_picker->sliders[2]->get_value() / 100.0;
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color_picker->hsv_cached = true;
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}
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String ColorModeHSV::get_slider_label(int idx) const {
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ERR_FAIL_INDEX_V_MSG(idx, get_slider_count(), String(), "Couldn't get slider label.");
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return labels[idx];
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}
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float ColorModeHSV::get_slider_max(int idx) const {
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ERR_FAIL_INDEX_V_MSG(idx, get_slider_count(), 0, "Couldn't get slider max value.");
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return slider_max[idx];
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}
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float ColorModeHSV::get_slider_value(int idx) const {
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switch (idx) {
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case 0: {
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if (color_picker->color_normalized.get_s() > 0) {
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return color_picker->color_normalized.get_h() * 360.0;
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} else {
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return cached_hue;
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}
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}
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case 1: {
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if (color_picker->color_normalized.get_v() > 0) {
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return color_picker->color_normalized.get_s() * 100.0;
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} else {
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return cached_saturation;
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}
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}
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case 2:
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return color_picker->color_normalized.get_v() * 100.0;
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default:
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ERR_FAIL_V_MSG(0, "Couldn't get slider value.");
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}
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}
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Color ColorModeHSV::get_color() const {
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Vector<float> values = color_picker->get_active_slider_values();
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Color color = Color::from_hsv(values[0] / 360.0, values[1] / 100.0, values[2] / 100.0, values[3] / 255.0);
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return color;
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}
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void ColorModeHSV::slider_draw(int p_which) {
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Vector<Vector2> pos;
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pos.resize(4);
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Vector<Color> col;
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col.resize(4);
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HSlider *slider = color_picker->get_slider(p_which);
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Size2 size = slider->get_size();
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Color left_color;
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Color right_color;
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Color color = color_picker->color_normalized;
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const real_t margin = 16 * color_picker->theme_cache.base_scale;
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if (p_which == 0) {
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float v = color.get_v();
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left_color = Color(v, v, v);
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right_color = left_color;
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} else {
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Color s_col;
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Color v_col;
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s_col.set_hsv(color.get_h(), 0, color.get_v());
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left_color = (p_which == 1) ? s_col : Color(0, 0, 0);
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float s_col_hue = (Math::is_zero_approx(color.get_s())) ? cached_hue / 360.0 : color.get_h();
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s_col.set_hsv(s_col_hue, 1, color.get_v());
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v_col.set_hsv(color.get_h(), color.get_s(), 1);
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right_color = (p_which == 1) ? s_col : v_col;
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}
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col.set(0, left_color);
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col.set(1, right_color);
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col.set(2, right_color);
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col.set(3, left_color);
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pos.set(0, Vector2(0, 0));
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pos.set(1, Vector2(size.x, 0));
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pos.set(2, Vector2(size.x, margin));
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pos.set(3, Vector2(0, margin));
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slider->draw_polygon(pos, col);
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if (p_which == 0) { // H
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Ref<Texture2D> hue = color_picker->theme_cache.color_hue;
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slider->draw_texture_rect(hue, Rect2(Vector2(), Vector2(size.x, margin)), false, Color::from_hsv(0, 0, color.get_v(), color.get_s()));
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}
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}
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String ColorModeLinear::get_slider_label(int idx) const {
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ERR_FAIL_INDEX_V_MSG(idx, get_slider_count(), String(), "Couldn't get slider label.");
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return labels[idx];
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}
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float ColorModeLinear::get_slider_max(int idx) const {
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ERR_FAIL_INDEX_V_MSG(idx, get_slider_count(), 0, "Couldn't get slider max value.");
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return slider_max[idx];
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}
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float ColorModeLinear::get_slider_value(int idx) const {
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ERR_FAIL_INDEX_V_MSG(idx, get_slider_count(), 0, "Couldn't get slider value.");
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Color color = color_picker->color_normalized.srgb_to_linear();
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return color.components[idx];
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}
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float ColorModeLinear::get_alpha_slider_max() const {
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return 1;
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}
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float ColorModeLinear::get_alpha_slider_value() const {
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return color_picker->get_pick_color().a;
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}
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Color ColorModeLinear::get_color() const {
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Vector<float> values = color_picker->get_active_slider_values();
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Color color;
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for (int i = 0; i < 4; i++) {
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color.components[i] = values[i];
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}
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return color.linear_to_srgb();
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}
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void ColorModeLinear::_greater_value_inputted() {
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HSlider **sliders = color_picker->sliders;
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Color color_prev = color_picker->color;
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Color linear_color = color_prev.srgb_to_linear();
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for (int i = 0; i < 3; i++) {
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if (sliders[i]->get_value() > 1 + CMP_EPSILON) {
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linear_color.components[i] = sliders[i]->get_value();
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}
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}
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float multiplier = MAX(1, MAX(MAX(linear_color.r, linear_color.g), linear_color.b));
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sliders[0]->set_value_no_signal(linear_color.r / multiplier);
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sliders[1]->set_value_no_signal(linear_color.g / multiplier);
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sliders[2]->set_value_no_signal(linear_color.b / multiplier);
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color_picker->intensity = Math::log2(multiplier);
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color_picker->intensity_slider->set_value_no_signal(color_picker->intensity);
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}
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void ColorModeLinear::slider_draw(int p_which) {
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Vector<Vector2> pos;
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pos.resize(4);
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Vector<Color> col;
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col.resize(4);
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HSlider *slider = color_picker->get_slider(p_which);
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Size2 size = slider->get_size();
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Color left_color;
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Color right_color;
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Color color = color_picker->color_normalized.linear_to_srgb();
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const real_t margin = 16 * color_picker->theme_cache.base_scale;
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left_color = Color(
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p_which == 0 ? 0 : color.r,
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p_which == 1 ? 0 : color.g,
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p_which == 2 ? 0 : color.b);
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right_color = Color(
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p_which == 0 ? 1 : color.r,
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p_which == 1 ? 1 : color.g,
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p_which == 2 ? 1 : color.b);
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if (rgb_texture[p_which].is_null()) {
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rgb_texture[p_which].instantiate();
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rgb_texture[p_which]->set_width(400);
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rgb_texture[p_which]->set_height(6);
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}
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Ref<GradientTexture2D> gradient_texture = rgb_texture[p_which];
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Ref<Gradient> gradient = gradient_texture->get_gradient();
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if (gradient.is_null()) {
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gradient.instantiate();
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PackedFloat32Array offsets = { 0, 1 };
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gradient->set_offsets(offsets);
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gradient->set_interpolation_color_space(Gradient::ColorSpace::GRADIENT_COLOR_SPACE_LINEAR_SRGB);
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gradient_texture->set_gradient(gradient);
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}
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PackedColorArray colors = { left_color, right_color };
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gradient->set_colors(colors);
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slider->draw_texture_rect(gradient_texture, Rect2(Vector2(), Vector2(size.x, margin)), false);
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}
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void ColorModeOKHSL::_value_changed() {
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Vector<float> values = color_picker->get_active_slider_values();
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if (values[1] > 0 || values[0] != cached_hue) {
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cached_hue = values[0];
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}
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if (values[2] > 0 || values[1] != cached_saturation) {
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cached_saturation = values[1];
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}
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// Cache real OKHSL values in ColorPicker.
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color_picker->ok_hsl_h = color_picker->sliders[0]->get_value() / 360.0;
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color_picker->ok_hsl_s = color_picker->sliders[1]->get_value() / 100.0;
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color_picker->ok_hsl_l = color_picker->sliders[2]->get_value() / 100.0;
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color_picker->okhsl_cached = true;
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}
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String ColorModeOKHSL::get_slider_label(int idx) const {
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ERR_FAIL_INDEX_V_MSG(idx, get_slider_count(), String(), "Couldn't get slider label.");
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return labels[idx];
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}
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float ColorModeOKHSL::get_slider_max(int idx) const {
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ERR_FAIL_INDEX_V_MSG(idx, get_slider_count(), 0, "Couldn't get slider max value.");
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return slider_max[idx];
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}
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float ColorModeOKHSL::get_slider_value(int idx) const {
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switch (idx) {
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case 0: {
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if (color_picker->color_normalized.get_ok_hsl_s() > 0) {
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return color_picker->color_normalized.get_ok_hsl_h() * 360.0;
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} else {
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return cached_hue;
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}
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}
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case 1: {
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if (color_picker->color_normalized.get_ok_hsl_l() > 0) {
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return color_picker->color_normalized.get_ok_hsl_s() * 100.0;
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} else {
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return cached_saturation;
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}
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}
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case 2:
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return color_picker->color_normalized.get_ok_hsl_l() * 100.0;
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default:
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ERR_FAIL_V_MSG(0, "Couldn't get slider value.");
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}
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}
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Color ColorModeOKHSL::get_color() const {
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Vector<float> values = color_picker->get_active_slider_values();
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Color color = Color::from_ok_hsl(values[0] / 360.0, values[1] / 100.0, values[2] / 100.0, values[3] / 255.0);
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return color;
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}
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void ColorModeOKHSL::slider_draw(int p_which) {
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HSlider *slider = color_picker->get_slider(p_which);
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Size2 size = slider->get_size();
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const real_t margin = 16 * color_picker->theme_cache.base_scale;
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Vector<Vector2> pos;
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Vector<Color> col;
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Color left_color;
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Color right_color;
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Color color = color_picker->color_normalized;
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float okhsl_l = color.get_ok_hsl_l();
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float slider_hue = (Math::is_zero_approx(color.get_ok_hsl_s())) ? cached_hue / 360.0 : color.get_ok_hsl_h();
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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();
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if (p_which == 2) { // L
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pos.resize(6);
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col.resize(6);
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left_color = Color(0, 0, 0);
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Color middle_color = Color::from_ok_hsl(slider_hue, slider_sat, 0.5);
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right_color.set_ok_hsl(slider_hue, slider_sat, 1);
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col.set(0, left_color);
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col.set(1, middle_color);
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col.set(2, right_color);
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col.set(3, right_color);
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col.set(4, middle_color);
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col.set(5, left_color);
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pos.set(0, Vector2(0, 0));
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pos.set(1, Vector2(size.x * 0.5, 0));
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pos.set(2, Vector2(size.x, 0));
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pos.set(3, Vector2(size.x, margin));
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pos.set(4, Vector2(size.x * 0.5, margin));
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pos.set(5, Vector2(0, margin));
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slider->draw_polygon(pos, col);
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} else if (p_which == 1) { // S
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pos.resize(4);
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col.resize(4);
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left_color.set_ok_hsl(slider_hue, 0, okhsl_l);
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right_color.set_ok_hsl(slider_hue, 1, okhsl_l);
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col.set(0, left_color);
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col.set(1, right_color);
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col.set(2, right_color);
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col.set(3, left_color);
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pos.set(0, Vector2(0, 0));
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pos.set(1, Vector2(size.x, 0));
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pos.set(2, Vector2(size.x, margin));
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pos.set(3, Vector2(0, margin));
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slider->draw_polygon(pos, col);
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} else if (p_which == 0) { // H
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const int precision = 7;
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if (hue_texture.is_null()) {
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hue_texture.instantiate();
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hue_texture->set_width(400);
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hue_texture->set_height(6);
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}
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Ref<Gradient> hue_gradient = hue_texture->get_gradient();
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if (hue_gradient.is_null()) {
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hue_gradient.instantiate();
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PackedFloat32Array offsets;
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offsets.resize(precision);
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for (int i = 0; i < precision; i++) {
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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);
|
|
}
|
|
}
|