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pragma Singleton
pragma ComponentBehavior: Bound
import Quickshell
import Quickshell.Io
import QtQuick
import Qt.labs.platform
Singleton {
id: root
readonly property string thumbDir: `${StandardPaths.standardLocations(StandardPaths.GenericCacheLocation)[0]}/caelestia/thumbnails`.slice(7)
function go(path: string, width: int, height: int): var {
return thumbComp.createObject(root, {
originalPath: path,
width: width,
height: height
});
}
component Thumbnail: QtObject {
id: obj
required property string originalPath
required property int width
required property int height
property string path
readonly property Process shaProc: Process {
running: true
command: ["sha1sum", obj.originalPath]
stdout: SplitParser {
onRead: data => {
const sha = data.split(" ")[0];
obj.path = `${root.thumbDir}/${sha}@${obj.width}x${obj.height}-exact.png`;
obj.thumbProc.running = true;
}
}
}
readonly property Process thumbProc: Process {
command: ["fish", "-c", `
if test -f ${obj.path}
exit 1
else
set -l size (identify -ping -format '%w\n%h' ${obj.originalPath})
if test $size[1] -gt ${obj.width} -o $size[2] -gt ${obj.height}
magick ${obj.originalPath} -${obj.width > 1024 || obj.height > 1024 ? "resize" : "thumbnail"} ${obj.width}x${obj.height}^ -background none -gravity center -extent ${obj.width}x${obj.height} -unsharp 0x.5 ${obj.path}
else
cp ${obj.originalPath} ${obj.path}
end
end`]
onExited: code => {
if (code === 0) {
const path = obj.path;
obj.path = "";
obj.path = path;
}
}
}
function reload(): void {
shaProc.running = true;
}
}
Component {
id: thumbComp
Thumbnail {}
}
}
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