schrottkatze/matrix-image-editor
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some optimisations

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This commit is contained in:
Schrottkatze 2024-05-22 11:14:37 +02:00
parent 7234064f12
commit 5450144797
Signed by: schrottkatze
SSH key fingerprint: SHA256:hXb3t1vINBFCiDCmhRABHX5ocdbLiKyCdKI4HK2Rbbc
3 changed files with 95 additions and 66 deletions
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23
src/components.rs
View file

@ -7,20 +7,29 @@ pub fn mat_editor<const R: usize, const C: usize>(
id: &str,
skip_last: bool,
) -> egui::Response {
egui::Grid::new(id)
let mut any_change = false;
let mut r = egui::Grid::new(id)
.show(ui, |ui| {
mat.row_iter_mut().enumerate().for_each(|(i, mut row)| {
if !skip_last || i + 1 < R {
row.iter_mut().for_each(|item| {
ui.add(
egui::DragValue::new(item)
.speed(0.01)
.clamp_range(-10.0..=10.0),
);
any_change |= ui
.add(
egui::DragValue::new(item)
.speed(0.01)
.clamp_range(-10.0..=10.0),
)
.changed();
});
ui.end_row();
}
})
})
.response
.response;
if any_change {
r.mark_changed()
}
r
}

106
src/img_processor.rs
View file

@ -5,7 +5,7 @@ use std::{
use eframe::egui::{self, TextureOptions};
use image::{DynamicImage, Pixel, Rgb, Rgb32FImage};
use nalgebra::{SMatrix, Vector3, Vector4};
use nalgebra::{ComplexField, Const, Matrix, OMatrix, SMatrix, Vector3, Vector4};
use rayon::prelude::*;
use image::EncodableLayout;
@ -16,6 +16,7 @@ struct ProcessorInstruction {
ret: oneshot::Sender<(egui::TextureHandle, (f32, f32))>,
ctx: egui::Context,
handle: Option<egui::TextureHandle>,
realloc: bool,
}
pub struct Processor {
@ -26,6 +27,7 @@ impl Processor {
pub fn init() -> Self {
let (tx, rx) = mpsc::channel();
thread::spawn(|| {
let mut working_img = DynamicImage::new_rgb32f(1, 1);
for ProcessorInstruction {
img,
color_matrix,
@ -33,51 +35,81 @@ impl Processor {
ret,
ctx,
handle,
realloc,
} in rx
{
let (width, height) = img.dimensions();
// let mut r = (*img).clone();
let mut r = Rgb32FImage::new(width, height);
if !pos_matrix.is_identity(f32::EPSILON) && pos_matrix.is_invertible() {
let mut inv_mat = pos_matrix.try_inverse().unwrap();
let mut cols_mut = inv_mat.column_part_mut(2, 2);
if realloc {
working_img = DynamicImage::new_rgb32f(width, height);
}
let do_pos_trans =
!pos_matrix.is_identity(f32::EPSILON) && pos_matrix.is_invertible();
let do_color_trans = !color_matrix.is_identity(f32::EPSILON);
let mut inv_pos_mat = OMatrix::<f32, Const<3>, Const<3>>::identity();
if do_pos_trans {
inv_pos_mat = pos_matrix.try_inverse().unwrap();
let mut cols_mut = inv_pos_mat.column_part_mut(2, 2);
*(cols_mut.get_mut(0).unwrap()) *= width as f32;
*(cols_mut.get_mut(1).unwrap()) *= height as f32;
r.par_enumerate_pixels_mut().for_each(|(x, y, px)| {
let r = inv_mat * Vector3::new(x as f32, y as f32, 1.0);
*px = if r.x.is_sign_positive() && r.y.is_sign_positive() {
*img.get_pixel_checked(r.x as u32, r.y as u32)
.unwrap_or(&Rgb([0., 0., 0.]))
} else {
Rgb([0., 0., 0.])
};
});
} else {
r = (*img).clone()
}
if !color_matrix.is_identity(f32::EPSILON) {
r.par_pixels_mut().for_each(|px| {
*px = Rgb::from(
TryInto::<[f32; 3]>::try_into(
(color_matrix * Vector4::new(px.0[0], px.0[1], px.0[2], 1.))
.as_slice(),
)
.unwrap(),
)
});
{
let working_img = working_img.as_mut_rgb32f().unwrap();
match (do_pos_trans, do_color_trans) {
(true, true) => {
working_img
.par_enumerate_pixels_mut()
.for_each(|(x, y, px)| {
let org_pos =
inv_pos_mat * Vector3::new(x as f32, y as f32, 1.0);
let Rgb([r, g, b]) = *img
.get_pixel_checked(
org_pos.x.abs() as u32 % width,
org_pos.y.abs() as u32 % height,
)
.unwrap_or(&Rgb([0., 0., 0.]));
*px = Rgb::from(Into::<[f32; 3]>::into(
color_matrix * Vector4::new(r, g, b, 1.0),
));
})
}
(true, false) => {
working_img
.par_enumerate_pixels_mut()
.for_each(|(x, y, px)| {
let r = inv_pos_mat * Vector3::new(x as f32, y as f32, 1.0);
*px = *img
.get_pixel_checked(
r.x.abs() as u32 % width,
r.y.abs() as u32 % height,
)
.unwrap_or(&Rgb([0., 0., 0.]))
});
}
(false, true) => {
working_img
.par_enumerate_pixels_mut()
.for_each(|(x, y, px)| {
let Rgb([r, g, b]) = *img.get_pixel(x, y);
*px = Rgb::from(Into::<[f32; 3]>::into(
color_matrix * Vector4::new(r, g, b, 1.0),
));
});
}
(false, false) => {
*working_img = (*img).clone();
}
}
}
let color_image = {
let image = DynamicImage::from(r).to_rgb8();
egui::ColorImage::from_rgb(
[image.width() as usize, image.height() as usize],
image.as_bytes(),
)
};
let color_image = egui::ColorImage::from_rgb(
[working_img.width() as usize, working_img.height() as usize],
working_img.to_rgb8().as_bytes(),
);
let handle = if let Some(mut handle) = handle {
handle.set(color_image, TextureOptions::default());
handle
@ -99,6 +131,7 @@ impl Processor {
pos_matrix: SMatrix<f32, 3, 3>,
ctx: egui::Context,
handle: Option<egui::TextureHandle>,
realloc: bool,
) -> oneshot::Receiver<(egui::TextureHandle, (f32, f32))> {
let (tx, rx) = oneshot::channel();
@ -109,6 +142,7 @@ impl Processor {
ret: tx,
ctx,
handle,
realloc,
});
dbg!(r).unwrap();

32
src/lib.rs
View file

@ -64,36 +64,33 @@ impl eframe::App for App {
self.pos_matrix,
ctx.clone(),
self.cur_res.clone(),
true,
));
}
}
}
ui.add_space(8.);
let old_color_mat = self.color_matrix;
let old_pos_mat = self.pos_matrix;
ui.label("Color Matrix Editor");
let color_mat_edited =
components::mat_editor(ui, &mut self.color_matrix, "color_matrix", false).dragged();
components::mat_editor(ui, &mut self.color_matrix, "color_matrix", false).changed();
ui.add_space(8.);
ui.label("Position Matrix Editor");
let pos_mat_edited =
components::mat_editor(ui, &mut self.pos_matrix, "pos_matrix", true).dragged();
mats_changed |= old_color_mat == self.color_matrix || old_pos_mat == self.pos_matrix;
components::mat_editor(ui, &mut self.pos_matrix, "pos_matrix", true).changed();
if mats_changed
&& self.cur_img.is_some()
&& self.cur_res.is_some()
&& !color_mat_edited
&& !pos_mat_edited
&& self.cur_rx.is_none()
if dbg!(self.cur_img.is_some())
&& dbg!((color_mat_edited || pos_mat_edited))
&& dbg!(self.cur_res.is_some())
&& dbg!(self.cur_rx.is_none())
{
self.cur_rx = Some(self.proc.exec(
self.cur_img.clone().unwrap(),
self.color_matrix,
dbg!(self.color_matrix),
self.pos_matrix,
ctx.clone(),
self.cur_res.clone(),
false,
));
}
});
@ -119,17 +116,6 @@ impl eframe::App for App {
let img = egui::Image::from_texture(sized_img);
ui.add(img);
}
// if let Some(dimensions) = self.cur_img_size {
// egui::Frame::canvas(ui.style()).show(ui, |ui| {
// let (rect, response) = ui.allocate_exact_size(dimensions, egui::Sense::drag());
// let callback = egui_wgpu::Callback::new_paint_callback(
// rect,
// CustomTriangleCallback { angle: 0.5 },
// );
// ui.painter().add(callback);
// });
// }
});
}
}