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Move ColorPicker shaders to ColorPickerShape class

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This commit is contained in:
Mounir Tohami 2025-09-10 15:28:29 +03:00
parent 084d5d407e
commit a07bd3fd31
5 changed files with 129 additions and 127 deletions
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112
scene/gui/color_picker.cpp
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@ -52,7 +52,6 @@
#include "scene/resources/style_box_flat.h"
#include "scene/resources/style_box_texture.h"
#include "scene/theme/theme_db.h"
#include "thirdparty/misc/ok_color_shader.h"
static inline bool is_color_overbright(const Color &color) {
return (color.r > 1.0) || (color.g > 1.0) || (color.b > 1.0);
@ -255,117 +254,6 @@ void ColorPicker::_update_theme_item_cache() {
theme_cache.base_scale = get_theme_default_base_scale();
}
void ColorPicker::init_shaders() {
wheel_shader.instantiate();
wheel_shader->set_code(R"(
// ColorPicker wheel shader.
shader_type canvas_item;
uniform float wheel_radius = 0.42;
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) > wheel_radius);
x -= 0.002;
float b2 = float(sqrt(x * x + y * y) < 0.5) * float(sqrt(x * x + y * y) > wheel_radius);
y -= 0.002;
float b3 = float(sqrt(x * x + y * y) < 0.5) * float(sqrt(x * x + y * y) > wheel_radius);
x += 0.002;
float b4 = float(sqrt(x * x + y * y) < 0.5) * float(sqrt(x * x + y * y) > wheel_radius);
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 hsl circle shader.
uniform float ok_hsl_l = 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, ok_hsl_l));
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);
})");
rectangle_ok_color_hs_shader.instantiate();
rectangle_ok_color_hs_shader->set_code(OK_COLOR_SHADER + R"(
// ColorPicker ok color hs rectangle shader.
uniform float ok_hsl_l = 0.0;
void fragment() {
float h = UV.x;
float s = 1.0 - UV.y;
vec3 col = okhsl_to_srgb(vec3(h, s, ok_hsl_l));
COLOR = vec4(col, 1.0);
})");
rectangle_ok_color_hl_shader.instantiate();
rectangle_ok_color_hl_shader->set_code(OK_COLOR_SHADER + R"(
// ColorPicker ok color hl rectangle shader.
uniform float ok_hsl_s = 0.0;
void fragment() {
float h = UV.x;
float l = 1.0 - UV.y;
vec3 col = okhsl_to_srgb(vec3(h, ok_hsl_s, l));
COLOR = vec4(col, 1.0);
})");
}
void ColorPicker::finish_shaders() {
wheel_shader.unref();
circle_shader.unref();
circle_ok_color_shader.unref();
rectangle_ok_color_hs_shader.unref();
rectangle_ok_color_hl_shader.unref();
}
void ColorPicker::set_focus_on_line_edit() {
callable_mp((Control *)c_text, &Control::grab_focus).call_deferred(false);
}