dtourolle
b1d1c47261
Thirty-nine spawn sites in dr-ui, and one in the Android entry point, called std::thread::spawn or a Builder of their own, and most of the threads they started were <unnamed> in a panic message or a profiler. Each now calls executors::spawn with its executor and a role, so the thread is named <executor>:<role> — net:sync, decode:thumbs, io:catalog-open — and knows which executor it is on. The three that already set a name (automation, import, prefetch) keep their name as the role. Behaviour is unchanged: each job still gets a thread of its own when it starts, and spawn panics where std::thread::spawn did. The module's documentation now says how a job is assigned: by what it spends its time on, so a sweep that fetches bytes and then decodes them is Decode, and a sidecar write that touches the catalog is Network. Left as they were: the segmentation and refine workers in masks_ui.rs, which another change is reworking, and test-only threads.
692 lines
26 KiB
Rust
692 lines
26 KiB
Rust
//! TRACES: FR-MRG-1 | FR-MRG-4 | FR-MRG-5 | FR-MRG-7
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//! The merge page: the grid's selection to a panorama, with a pause for
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//! the photographer in the middle.
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//!
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//! The job itself is [`crate::merge`] and has no interface in it; this is
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//! the wiring, on the import page's model. A press on "Merge to panorama"
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//! fetches the selected originals on a worker, hands them to the job, and
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//! opens the page; a timer drains the job's events into the page's
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//! properties. When the alignment arrives the page shows it and waits.
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//! "Merge" sends the decision; "Stop" or "Back" cancels. When the file is
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//! staged, the outbox drains and the library rescans, and the composite
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//! appears in the grid beside its sources.
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use crate::executors::{self, Executor};
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use std::cell::{Cell, RefCell};
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use std::rc::Rc;
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use std::sync::mpsc::{Receiver, Sender};
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use slint::ComponentHandle;
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use crate::activity::{Activity, ActivityLog, Kind};
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use crate::merge::{
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self, AlignmentReport, Cancel, Decision, FillSettings, MergeDestination, MergeEvent,
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MergeInput, MergeRequest,
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};
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use crate::{AppWindow, Library, MergeFrameRow, Page};
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/// How often the page reads the job's channel.
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const DRAIN_INTERVAL: std::time::Duration = std::time::Duration::from_millis(120);
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/// A running merge, as the page holds it.
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struct Job {
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rx: Receiver<MergeEvent>,
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decide: Sender<Decision>,
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cancel: Cancel,
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names: Vec<String>,
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activity: Activity,
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}
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pub struct MergeController {
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activity: Rc<ActivityLog>,
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job: RefCell<Option<Job>>,
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timer: RefCell<Option<slint::Timer>>,
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/// The projection chip: 0 auto, then the three in `Projection`'s order.
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projection: Cell<i32>,
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/// The border chip: 0 crop, 1 fill (FR-MRG-4).
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border: Cell<i32>,
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/// The fill's knobs, as the page's sliders have them.
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fill: Cell<FillSettings>,
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report: RefCell<Option<AlignmentReport>>,
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}
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impl MergeController {
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/// The fill to ask for: the knobs if the border chip says fill, else
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/// none.
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fn fill_choice(&self) -> Option<FillSettings> {
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(self.border.get() == 1).then(|| self.fill.get())
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}
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}
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impl MergeController {
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pub fn new(activity: Rc<ActivityLog>) -> Rc<Self> {
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Rc::new(MergeController {
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activity,
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job: RefCell::new(None),
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timer: RefCell::new(None),
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projection: Cell::new(0),
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border: Cell::new(0),
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fill: Cell::new(FillSettings::default()),
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report: RefCell::new(None),
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})
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}
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}
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/// What the page needs from the library to start: the account for the
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/// fetch, and where the outbox is.
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pub struct Context {
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pub conn: dr_sync::Connection,
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pub outbox: std::path::PathBuf,
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}
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/// Wire the page. `sources` yields the selection as fetchable library
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/// sources; `context` the account; `on_done` runs when a composite has
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/// been staged, so the caller can drain the outbox and rescan.
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pub fn wire<S, C, F>(
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window: &AppWindow,
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ctl: Rc<MergeController>,
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gpu: Option<dr_gpu::GpuContext>,
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sources: S,
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context: C,
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on_done: F,
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) where
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S: Fn() -> Vec<crate::export::Source> + 'static,
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C: Fn() -> Option<Context> + 'static,
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F: Fn(&AppWindow) + 'static,
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{
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wire_start(window, &ctl, gpu, sources, context, on_done);
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wire_decision(window, &ctl);
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wire_stop_and_leave(window, &ctl);
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}
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/// Start.
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fn wire_start<S, C, F>(
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window: &AppWindow,
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ctl: &Rc<MergeController>,
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gpu: Option<dr_gpu::GpuContext>,
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sources: S,
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context: C,
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on_done: F,
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) where
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S: Fn() -> Vec<crate::export::Source> + 'static,
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C: Fn() -> Option<Context> + 'static,
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F: Fn(&AppWindow) + 'static,
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{
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let on_done = Rc::new(on_done);
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let gpu_for_start = gpu.clone();
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{
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let weak = window.as_weak();
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let ctl = ctl.clone();
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let on_done = on_done.clone();
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window
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.global::<Library>()
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.on_library_merge_selection(move || {
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let Some(w) = weak.upgrade() else { return };
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if ctl.job.borrow().is_some() {
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w.global::<Library>()
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.set_library_status("A panorama is already being merged".into());
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return;
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}
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let Some(gpu) = gpu.clone() else {
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w.global::<Library>().set_library_status(
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"No GPU: a panorama cannot be merged on this device".into(),
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);
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return;
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};
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let Some(context) = context() else {
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w.global::<Library>()
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.set_library_status("Open a library first".into());
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return;
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};
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// The selection, in library order. The catalog's order is the
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// grid's, which is capture time — the order a sweep was shot.
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let sources: Vec<(String, Option<crate::library::CacheContext>)> = sources()
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.into_iter()
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.filter_map(|s| match s {
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crate::export::Source::Library { path, cache } => Some((path, cache)),
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crate::export::Source::Rendered { .. } => None,
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})
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.collect();
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if sources.len() < 2 {
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w.global::<Library>()
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.set_library_status("Select at least two frames to merge".into());
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return;
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}
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// Where the composite goes: beside its sources, through the
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// outbox (FR-MRG-3). The sources' folder, relative to the root.
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let root = context.conn.account.root.trim_matches('/').to_string();
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let first_dir = std::path::Path::new(&sources[0].0)
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.parent()
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.map(|p| p.to_string_lossy().trim_matches('/').to_string())
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.unwrap_or_default();
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let remote_dir = first_dir
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.strip_prefix(&root)
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.map(|s| s.trim_start_matches('/').to_string())
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.unwrap_or(first_dir);
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let destination = MergeDestination::Outbox {
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outbox: context.outbox,
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remote_dir,
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};
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let names: Vec<String> = sources
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.iter()
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.map(|(p, _)| {
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std::path::Path::new(p)
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.file_name()
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.map(|n| n.to_string_lossy().into_owned())
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.unwrap_or_else(|| p.clone())
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})
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.collect();
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// The fetch, on the job's own thread before the job: every
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// original comes down in turn — sequential so twelve downloads
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// do not halve each other's bandwidth — and the job then takes
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// bytes, which keeps it free of the library.
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let conn = context.conn.clone();
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let fetch_names = names.clone();
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let fetch =
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move |tx: &Sender<MergeEvent>, cancel: &Cancel| -> Option<Vec<MergeInput>> {
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let mut frames = Vec::with_capacity(sources.len());
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for (i, (path, cache)) in sources.into_iter().enumerate() {
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if cancel.is_cancelled() {
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let _ = tx.send(MergeEvent::Cancelled);
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return None;
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}
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let _ = tx.send(MergeEvent::Progress {
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stage: "Fetching",
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done: i,
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total: fetch_names.len(),
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});
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let rx =
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crate::library::spawn_full_fetch(conn.clone(), path.clone(), cache);
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let bytes = match rx.recv() {
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Ok(Ok(bytes)) => bytes,
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Ok(Err(e)) => {
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let _ = tx.send(MergeEvent::Failed(format!(
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"{}: {}",
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fetch_names[i], e.message
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)));
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return None;
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}
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Err(_) => {
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let _ = tx.send(MergeEvent::Failed(format!(
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"{}: the download ended without answering",
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fetch_names[i]
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)));
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return None;
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}
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};
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frames.push(MergeInput {
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name: fetch_names[i].clone(),
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bytes: std::sync::Arc::new(bytes),
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});
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}
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Some(frames)
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};
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start(&w, &ctl, gpu, names, destination, fetch, &on_done);
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});
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}
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// A way to land on the page at startup with local files, for looking
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// at it without a mouse: `DARKROOM_START_MERGE=a.CR2,b.CR2`. The same
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// job, the same page; only the fetch is a read. Off unless set.
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if let Some(list) = std::env::var_os("DARKROOM_START_MERGE") {
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let paths: Vec<std::path::PathBuf> = list
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.to_string_lossy()
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.split(',')
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.filter(|p| !p.is_empty())
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.map(std::path::PathBuf::from)
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.collect();
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if let (Some(gpu), Some(first)) = (gpu_for_start.clone(), paths.first()) {
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let names: Vec<String> = paths
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.iter()
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.map(|p| {
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p.file_name()
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.map(|n| n.to_string_lossy().into_owned())
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.unwrap_or_default()
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})
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.collect();
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let dir = first
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.parent()
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.map(std::path::Path::to_path_buf)
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.unwrap_or_default();
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let read_paths = paths.clone();
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let fetch = move |tx: &Sender<MergeEvent>, _: &Cancel| -> Option<Vec<MergeInput>> {
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let mut frames = Vec::new();
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for p in &read_paths {
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match MergeInput::read(p) {
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Ok(f) => frames.push(f),
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Err(e) => {
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let _ = tx.send(MergeEvent::Failed(e));
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return None;
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}
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}
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}
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Some(frames)
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};
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start(
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window,
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ctl,
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gpu,
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names,
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MergeDestination::Local(dir),
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fetch,
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&on_done,
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);
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// `DARKROOM_START_MERGE_FILL=1` opens it with the fill chosen,
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// to look at the knobs; the preview fills once the alignment
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// is in, as a chip pick would have it.
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if std::env::var_os("DARKROOM_START_MERGE_FILL").is_some() {
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ctl.border.set(1);
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window.set_merge_border_selected(1);
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if let Some(job) = ctl.job.borrow().as_ref() {
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let _ = job.decide.send(Decision::Preview {
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projection: None,
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fill: ctl.fill_choice(),
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});
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}
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}
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}
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}
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}
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/// The decision.
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fn wire_decision(window: &AppWindow, ctl: &Rc<MergeController>) {
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{
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let weak = window.as_weak();
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let ctl = ctl.clone();
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window.on_merge_confirm(move || {
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let Some(w) = weak.upgrade() else { return };
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let projection = chip_projection(ctl.projection.get());
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let fill = ctl.fill_choice();
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if let Some(job) = ctl.job.borrow().as_ref() {
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let _ = job.decide.send(Decision::Merge { projection, fill });
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job.activity.detail("merging");
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}
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w.set_merge_running(true);
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w.set_merge_stage("Merging".into());
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w.set_merge_status("".into());
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});
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}
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{
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let weak = window.as_weak();
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let ctl = ctl.clone();
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window.on_merge_projection_picked(move |i| {
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let Some(w) = weak.upgrade() else { return };
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ctl.projection.set(i);
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w.set_merge_projection_selected(i);
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// Show it: the job redraws the preview on that surface and
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// reports again, and the drain puts the new picture up.
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if let Some(job) = ctl.job.borrow().as_ref() {
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let _ = job.decide.send(Decision::Preview {
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projection: chip_projection(i),
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fill: ctl.fill_choice(),
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});
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}
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});
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}
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{
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let weak = window.as_weak();
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let ctl = ctl.clone();
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window.on_merge_border_picked(move |i| {
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let Some(w) = weak.upgrade() else { return };
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ctl.border.set(i);
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w.set_merge_border_selected(i);
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// The fill is shown before it is chosen for good: the job
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// redraws the preview with the border filled, or not.
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if let Some(job) = ctl.job.borrow().as_ref() {
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let _ = job.decide.send(Decision::Preview {
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projection: chip_projection(ctl.projection.get()),
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fill: ctl.fill_choice(),
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});
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}
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w.set_merge_running(true);
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w.set_merge_stage(
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if i == 1 {
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"Filling the preview"
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} else {
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"Drawing the preview"
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}
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.into(),
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);
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});
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}
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{
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let weak = window.as_weak();
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let ctl = ctl.clone();
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window.on_merge_fill_knob(move |name, value| {
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let Some(w) = weak.upgrade() else { return };
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let mut f = ctl.fill.get();
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let v = value.round().max(0.0) as usize;
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match name.as_str() {
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"scale" => f.scale = (v as u32).clamp(1, 8),
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"erosion" => f.erosion = v,
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"coarse" => f.params.coarse = v.max(1),
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"band" => f.params.band = v.max(8),
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"mirror" => f.params.mirror_depth = v,
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"feather" => f.params.feather = v,
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_ => return,
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}
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ctl.fill.set(f);
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show_fill_knobs(&w, &f);
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// A knob turned while the fill is chosen redraws the preview
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// with it; turned under the crop it waits for the chip.
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if ctl.border.get() != 1 {
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return;
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}
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if let Some(job) = ctl.job.borrow().as_ref() {
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let _ = job.decide.send(Decision::Preview {
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projection: chip_projection(ctl.projection.get()),
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fill: Some(f),
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});
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}
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w.set_merge_running(true);
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w.set_merge_stage("Filling the preview".into());
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});
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}
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}
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/// Stopping and leaving.
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fn wire_stop_and_leave(window: &AppWindow, ctl: &Rc<MergeController>) {
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{
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let weak = window.as_weak();
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let ctl = ctl.clone();
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window.on_merge_abandon(move || {
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let Some(w) = weak.upgrade() else { return };
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if let Some(job) = ctl.job.borrow().as_ref() {
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job.cancel.cancel();
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let _ = job.decide.send(Decision::Abandon);
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}
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w.set_merge_status("Stopping…".into());
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});
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}
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{
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let weak = window.as_weak();
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let ctl = ctl.clone();
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window.on_merge_close(move || {
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let Some(w) = weak.upgrade() else { return };
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// Leaving is abandoning: the page is the only thing that can
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// confirm the merge, so a job left waiting behind it would wait
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// for ever. A merge that is already writing is stopped too — the
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// page is where it reports, and a file finishing unseen would be
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// a composite the photographer did not confirm seeing.
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if let Some(job) = ctl.job.borrow_mut().take() {
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job.cancel.cancel();
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let _ = job.decide.send(Decision::Abandon);
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job.activity.finish_quietly();
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}
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*ctl.timer.borrow_mut() = None;
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w.set_active_page(Page::None);
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});
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}
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}
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/// Start a job: `fetch` runs first on the job's thread and hands back the
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/// frames (or reports why not and returns `None`); the job follows on the
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/// same thread. The page opens clean, and a timer drains the events.
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fn start<Fetch>(
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window: &AppWindow,
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ctl: &Rc<MergeController>,
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gpu: dr_gpu::GpuContext,
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names: Vec<String>,
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destination: MergeDestination,
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fetch: Fetch,
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on_done: &Rc<impl Fn(&AppWindow) + 'static>,
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) where
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Fetch: FnOnce(&Sender<MergeEvent>, &Cancel) -> Option<Vec<MergeInput>> + Send + 'static,
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{
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let (tx, rx) = std::sync::mpsc::channel();
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let (decide, decision) = std::sync::mpsc::channel();
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let cancel = Cancel::default();
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let activity = ctl.activity.begin(Kind::Download, "Panorama");
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activity.total(names.len());
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{
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let cancel = cancel.clone();
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let tx = tx.clone();
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executors::spawn(Executor::GpuSubmit, "merge", move || {
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let Some(frames) = fetch(&tx, &cancel) else {
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return;
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};
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let mut request = MergeRequest::new(frames, destination);
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request.inpaint_model = crate::library::inpaint_model();
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merge::run(gpu, request, tx, decision, cancel);
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});
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}
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*ctl.job.borrow_mut() = Some(Job {
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rx,
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decide,
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cancel,
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names,
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activity,
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});
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*ctl.report.borrow_mut() = None;
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ctl.projection.set(0);
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ctl.border.set(0);
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ctl.fill.set(FillSettings::default());
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show_fill_knobs(window, &FillSettings::default());
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// The page, from a clean slate.
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window.set_merge_stage("Fetching".into());
|
||
window.set_merge_running(true);
|
||
window.set_merge_fraction(0.0);
|
||
window.set_merge_status("".into());
|
||
window.set_merge_error("".into());
|
||
window.set_merge_aligned(false);
|
||
window.set_merge_complete(false);
|
||
window.set_merge_summary("".into());
|
||
window.set_merge_frames(slint::ModelRc::new(slint::VecModel::from(Vec::<
|
||
MergeFrameRow,
|
||
>::new())));
|
||
window.set_merge_preview(slint::Image::default());
|
||
window.set_merge_projection_selected(0);
|
||
window.set_merge_border_selected(0);
|
||
window.set_merge_fill_available(false);
|
||
window.set_merge_fill_note("".into());
|
||
window.set_merge_preview_filled(false);
|
||
window.set_merge_done(false);
|
||
window.set_active_page(Page::Merge);
|
||
|
||
let timer = slint::Timer::default();
|
||
{
|
||
let weak = window.as_weak();
|
||
let ctl = ctl.clone();
|
||
let on_done = on_done.clone();
|
||
timer.start(slint::TimerMode::Repeated, DRAIN_INTERVAL, move || {
|
||
let Some(w) = weak.upgrade() else { return };
|
||
drain(&w, &ctl, &on_done);
|
||
});
|
||
}
|
||
*ctl.timer.borrow_mut() = Some(timer);
|
||
}
|
||
|
||
/// The projection a chip index names; 0 is "Auto".
|
||
fn chip_projection(i: i32) -> Option<dr_pano::Projection> {
|
||
match i {
|
||
1 => Some(dr_pano::Projection::Perspective),
|
||
2 => Some(dr_pano::Projection::Cylindrical),
|
||
3 => Some(dr_pano::Projection::Spherical),
|
||
_ => None,
|
||
}
|
||
}
|
||
|
||
/// Take everything the job has said and reflect it on the page.
|
||
fn drain(window: &AppWindow, ctl: &Rc<MergeController>, on_done: &Rc<impl Fn(&AppWindow)>) {
|
||
let (events, gone) = {
|
||
let job = ctl.job.borrow();
|
||
let Some(job) = job.as_ref() else { return };
|
||
merge::drain(&job.rx)
|
||
};
|
||
// The worker is the only sender, so a closed channel with nothing final
|
||
// said is a worker that died without saying anything — the one way
|
||
// `merge::run` cannot report, since reporting is what it was doing.
|
||
// Without this the page stayed on "Stop" for ever.
|
||
let mut events = events;
|
||
if gone && !events.iter().any(MergeEvent::is_final) {
|
||
events.push(MergeEvent::Failed(
|
||
"the merge stopped unexpectedly; the log has the reason".into(),
|
||
));
|
||
}
|
||
if events.is_empty() {
|
||
return;
|
||
}
|
||
let mut finished = false;
|
||
for event in events {
|
||
match event {
|
||
MergeEvent::Progress { stage, done, total } => {
|
||
window.set_merge_stage(stage.into());
|
||
window.set_merge_running(true);
|
||
window.set_merge_fraction(if total > 0 {
|
||
done as f32 / total as f32
|
||
} else {
|
||
0.0
|
||
});
|
||
if let Some(job) = ctl.job.borrow().as_ref() {
|
||
job.activity.detail(stage.to_lowercase());
|
||
job.activity.progress(done, total.max(1));
|
||
}
|
||
}
|
||
MergeEvent::Aligned(report) => {
|
||
let names = ctl
|
||
.job
|
||
.borrow()
|
||
.as_ref()
|
||
.map(|j| j.names.clone())
|
||
.unwrap_or_default();
|
||
show_report(window, &report, &names);
|
||
window.set_merge_running(false);
|
||
window.set_merge_stage("".into());
|
||
window.set_merge_fraction(0.0);
|
||
window.set_merge_status(if report.frames.iter().all(Result::is_ok) {
|
||
"Check the alignment, then press Merge.".into()
|
||
} else {
|
||
"Not every frame could be placed. Remove the ones named and try again.".into()
|
||
});
|
||
*ctl.report.borrow_mut() = Some(report);
|
||
}
|
||
MergeEvent::Done {
|
||
path,
|
||
staged,
|
||
width,
|
||
height,
|
||
} => {
|
||
let name = path
|
||
.file_name()
|
||
.map(|n| n.to_string_lossy().into_owned())
|
||
.unwrap_or_default();
|
||
window.set_merge_running(false);
|
||
window.set_merge_stage("".into());
|
||
window.set_merge_done(true);
|
||
window.set_merge_status(
|
||
if staged {
|
||
format!("{name} ({width}×{height}) is queued to go beside its sources.")
|
||
} else {
|
||
format!("{name} ({width}×{height}) written to {}.", path.display())
|
||
}
|
||
.into(),
|
||
);
|
||
if let Some(job) = ctl.job.borrow().as_ref() {
|
||
job.activity.finish(format!("{name} merged"));
|
||
}
|
||
finished = true;
|
||
on_done(window);
|
||
}
|
||
MergeEvent::Failed(e) => {
|
||
window.set_merge_running(false);
|
||
window.set_merge_stage("".into());
|
||
window.set_merge_error(e.clone().into());
|
||
if let Some(job) = ctl.job.borrow().as_ref() {
|
||
job.activity.fail(e);
|
||
}
|
||
finished = true;
|
||
}
|
||
MergeEvent::Cancelled => {
|
||
window.set_merge_running(false);
|
||
window.set_merge_stage("".into());
|
||
window.set_merge_status("Stopped. Nothing was written.".into());
|
||
if let Some(job) = ctl.job.borrow().as_ref() {
|
||
job.activity.finish_quietly();
|
||
}
|
||
finished = true;
|
||
}
|
||
}
|
||
}
|
||
if finished {
|
||
*ctl.job.borrow_mut() = None;
|
||
*ctl.timer.borrow_mut() = None;
|
||
}
|
||
}
|
||
|
||
/// The alignment onto the page: the summary, the table, the preview.
|
||
fn show_report(window: &AppWindow, report: &AlignmentReport, names: &[String]) {
|
||
let rows: Vec<MergeFrameRow> = report
|
||
.frames
|
||
.iter()
|
||
.enumerate()
|
||
.map(|(k, f)| {
|
||
let name = names
|
||
.get(k)
|
||
.cloned()
|
||
.unwrap_or_else(|| format!("frame {k}"));
|
||
match f {
|
||
Ok((yaw, pitch)) => MergeFrameRow {
|
||
name: name.into(),
|
||
detail: format!("yaw {yaw:.1}° · pitch {pitch:.1}°").into(),
|
||
aligned: true,
|
||
},
|
||
Err(why) => MergeFrameRow {
|
||
name: name.into(),
|
||
detail: why.clone().into(),
|
||
aligned: false,
|
||
},
|
||
}
|
||
})
|
||
.collect();
|
||
let complete = report.frames.iter().all(Result::is_ok);
|
||
window.set_merge_frames(slint::ModelRc::new(slint::VecModel::from(rows)));
|
||
window.set_merge_aligned(true);
|
||
window.set_merge_complete(complete);
|
||
window.set_merge_summary(
|
||
format!(
|
||
"{} frames, {} overlaps · {:.0} mm equivalent · {:?} · {}×{} px · fit {:.1} px",
|
||
report.frames.len(),
|
||
report.links,
|
||
report.focal_mm,
|
||
report.projection,
|
||
report.width,
|
||
report.height,
|
||
report.rms_px
|
||
)
|
||
.into(),
|
||
);
|
||
if let Some((w, h, rgba)) = &report.preview {
|
||
let buffer = slint::SharedPixelBuffer::<slint::Rgba8Pixel>::clone_from_slice(rgba, *w, *h);
|
||
window.set_merge_preview(slint::Image::from_rgba8(buffer));
|
||
}
|
||
window.set_merge_preview_filled(report.filled);
|
||
match &report.filler {
|
||
Ok(rung) => {
|
||
window.set_merge_fill_available(true);
|
||
window.set_merge_fill_note(format!("runs on {rung}").into());
|
||
}
|
||
Err(why) => {
|
||
window.set_merge_fill_available(false);
|
||
window.set_merge_fill_note(format!("The border can only be cropped: {why}.").into());
|
||
}
|
||
}
|
||
}
|
||
|
||
/// The sliders, from the settings.
|
||
fn show_fill_knobs(window: &AppWindow, f: &FillSettings) {
|
||
window.set_merge_fill_scale(f.scale as f32);
|
||
window.set_merge_fill_erosion(f.erosion as f32);
|
||
window.set_merge_fill_coarse(f.params.coarse as f32);
|
||
window.set_merge_fill_band(f.params.band as f32);
|
||
window.set_merge_fill_mirror(f.params.mirror_depth as f32);
|
||
window.set_merge_fill_feather(f.params.feather as f32);
|
||
}
|