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use cgmath::{EuclideanSpace, Point2};
use egui::{Button, Slider};
use image::ColorType;
use super::{App, color_type_to_str, op_queue::Op};
use crate::util::p2;
impl App {
pub fn color_ui(&mut self, ctx: &egui::Context) {
if self.color_visible && self.image_view.is_some() {
let mut open = true;
let mut closed = false;
egui::Window::new("Color")
.id(egui::Id::new("color window"))
.collapsible(false)
.resizable(false)
.pivot(egui::Align2::CENTER_CENTER)
.default_pos(p2(Point2::from_vec(self.size / 2.0)))
.open(&mut open)
.show(ctx, |ui| {
egui::Grid::new("color grid").show(ui, |ui| {
ui.with_layout(egui::Layout::right_to_left(egui::Align::RIGHT), |ui| {
ui.label("Hue: ");
});
ui.add(Slider::new(
&mut self.image_view.as_mut().unwrap().hue,
0.0..=180.0,
));
ui.end_row();
ui.with_layout(egui::Layout::right_to_left(egui::Align::RIGHT), |ui| {
ui.label("Contrast: ");
});
ui.add(Slider::new(
&mut self.image_view.as_mut().unwrap().contrast,
-100.0..=100.0,
));
ui.end_row();
ui.with_layout(egui::Layout::right_to_left(egui::Align::RIGHT), |ui| {
ui.label("Brightness: ");
});
ui.add(Slider::new(
&mut self.image_view.as_mut().unwrap().brightness,
-100.0..=100.0,
));
ui.end_row();
ui.with_layout(egui::Layout::right_to_left(egui::Align::RIGHT), |ui| {
ui.label("Saturation: ");
});
ui.add(Slider::new(
&mut self.image_view.as_mut().unwrap().saturation,
-100.0..=100.0,
));
ui.end_row();
ui.with_layout(egui::Layout::right_to_left(egui::Align::RIGHT), |ui| {
ui.label("Grayscale: ");
});
ui.checkbox(&mut self.image_view.as_mut().unwrap().grayscale, "");
ui.end_row();
ui.with_layout(egui::Layout::right_to_left(egui::Align::RIGHT), |ui| {
ui.label("Invert: ");
});
ui.checkbox(&mut self.image_view.as_mut().unwrap().invert, "");
ui.end_row();
ui.end_row();
ui.with_layout(
egui::Layout::top_down_justified(egui::Align::Center),
|ui| {
if ui
.add_enabled(self.view_available(), Button::new("Cancel"))
.clicked()
{
closed = true;
}
},
);
ui.with_layout(
egui::Layout::top_down_justified(egui::Align::Center),
|ui| {
if ui
.add_enabled(self.view_available(), Button::new("Apply"))
.clicked()
|| self.enter
{
let view = self.image_view.as_ref().unwrap();
let hue = view.hue;
let saturation = view.saturation;
let contrast = view.contrast;
let brightness = view.brightness;
let grayscale = view.grayscale;
let invert = view.invert;
self.queue(Op::Color {
hue,
saturation,
contrast,
brightness,
grayscale,
invert,
});
closed = true;
self.enter = false;
}
},
);
});
});
self.color_visible = open && !closed;
if !self.color_visible
&& let Some(view) = self.image_view.as_mut()
{
view.hue = 0.0;
view.contrast = 0.0;
view.saturation = 0.0;
view.brightness = 0.0;
view.grayscale = false;
view.invert = false;
}
}
}
pub fn color_space_ui(&mut self, ctx: &egui::Context) {
if self.color_space_visible && self.image_view.is_some() {
let mut open = true;
let mut closed = false;
egui::Window::new("Color space")
.id(egui::Id::new("color space window"))
.collapsible(false)
.resizable(false)
.pivot(egui::Align2::CENTER_CENTER)
.default_pos(p2(Point2::from_vec(self.size / 2.0)))
.open(&mut open)
.show(ctx, |ui| {
egui::Grid::new("color space grid").show(ui, |ui| {
ui.with_layout(egui::Layout::right_to_left(egui::Align::RIGHT), |ui| {
ui.label("Colorspace: ");
});
let selected = &mut self.color_type;
let color_types = [
ColorType::L8,
ColorType::La8,
ColorType::Rgb8,
ColorType::Rgba8,
ColorType::L16,
ColorType::La16,
ColorType::Rgb16,
ColorType::Rgba16,
ColorType::Rgb32F,
ColorType::Rgba32F,
];
egui::ComboBox::new("filter", "")
.selected_text(color_type_to_str(*selected))
.show_ui(ui, |ui| {
for color_type in color_types {
ui.selectable_value(
selected,
color_type,
color_type_to_str(color_type),
);
}
});
ui.end_row();
ui.end_row();
ui.with_layout(
egui::Layout::top_down_justified(egui::Align::Center),
|ui| {
if ui
.add_enabled(self.view_available(), Button::new("Cancel"))
.clicked()
{
closed = true;
}
},
);
ui.with_layout(
egui::Layout::top_down_justified(egui::Align::Center),
|ui| {
if ui
.add_enabled(self.view_available(), Button::new("Apply"))
.clicked()
|| self.enter
{
self.queue(Op::ColorSpace(self.color_type));
closed = true;
self.enter = false;
}
},
);
});
});
self.color_space_visible = open && !closed;
}
}
}