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decoder: Use image-rs, libheif-rs, librsvg

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This adds proper support for a lot of image formats including SVGs.
It will be the basis for many features to come. The technical core
is an asynchronous renderer that can arrange textures in smaller tiles
which might be generated on demand.

Closes #34, #40, #41, #49

Basis for fixing the following issues #7, #27, #36, #43, #68, #71
This commit is contained in:
Sophie Herold 2023-03-04 03:14:52 +01:00 • committed by Christopher Davis
parent 4d4bc4bb38
commit f80ec7db56
20 changed files with 3023 additions and 370 deletions
Download patch file Download diff file Expand all files Collapse all files

27
src/window.rs
View file

@ -33,9 +33,6 @@ use crate::util::{self, Direction, Position};
use crate::widgets::{LpImage, LpImageView, LpPropertiesView};
mod imp {
use crate::widgets::LpImagePage;
use once_cell::sync::OnceCell;
use super::*;
// To use composite templates, you need
@ -78,8 +75,6 @@ mod imp {
pub properties_view: TemplateChild<LpPropertiesView>,
#[template_child]
pub drop_target: TemplateChild<gtk::DropTarget>,
current_page_signals: OnceCell<glib::SignalGroup>,
}
#[glib::object_subclass]
@ -270,24 +265,20 @@ mod imp {
}),
);
let current_page_signals = glib::SignalGroup::new(LpImagePage::static_type());
self.image_view.connect_notify_local(
Some("current-page"),
glib::clone!(@weak obj, @weak current_page_signals => move |view, _| {
current_page_signals.set_target(view.current_page().as_ref());
obj.images_available();
}),
);
current_page_signals.connect_closure(
current_image_signals.connect_closure(
"notify::error",
false,
glib::closure_local!(@watch win => move |_: &LpImagePage, _: &glib::ParamSpec| {
glib::closure_local!(@watch win => move |_: &LpImage, _: &glib::ParamSpec| {
win.image_error();
}),
);
self.current_page_signals.set(current_page_signals).unwrap();
self.image_view.connect_notify_local(
Some("current-page"),
glib::clone!(@weak obj => move |_, _| {
obj.images_available();
}),
);
// action win.previous status
self.image_view.connect_notify_local(
@ -647,7 +638,7 @@ impl LpWindow {
let current_page = self.imp().image_view.current_page();
if let Some(page) = current_page {
if page.error().is_some() {
if page.image().error().is_some() {
log::debug!("Showing window because loading image failed");
self.present();
}