wip

services/Thumbnailer.qml

@@ -0,0 +1,72 @@
+pragma Singleton
+pragma ComponentBehavior: Bound
+
+import "root:/utils"
+import Quickshell
+import Quickshell.Io
+import QtQuick
+
+Singleton {
+    id: root
+
+    readonly property string thumbDir: `${Paths.cache}/thumbnails`.slice(7)
+
+    function go(obj: var): var {
+        return thumbComp.createObject(obj, {
+            originalPath: obj.path,
+            width: obj.width,
+            height: obj.height,
+            loadOriginal: obj.loadOriginal
+        });
+    }
+
+    component Thumbnail: QtObject {
+        id: obj
+
+        required property string originalPath
+        required property int width
+        required property int height
+        required property bool loadOriginal
+
+        property string path
+
+        readonly property Process proc: Process {
+            running: true
+            command: ["fish", "-c", `
+set -l path "${root.thumbDir}/$(sha1sum ${obj.originalPath} | cut -d ' ' -f 1)@${obj.width}x${obj.height}-exact.png"
+if test -f $path
+    echo $path
+else
+    echo 'start'
+    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 $path
+    else
+        cp ${obj.originalPath} $path
+    end
+    echo $path
+end`]
+            stdout: SplitParser {
+                onRead: data => {
+                    if (data === "start") {
+                        if (obj.loadOriginal)
+                            obj.path = obj.originalPath;
+                    } else {
+                        obj.path = data;
+                    }
+                }
+            }
+        }
+
+        function reload(): void {
+            proc.signal(9);
+            proc.running = true;
+        }
+    }
+
+    Component {
+        id: thumbComp
+
+        Thumbnail {}
+    }
+}