1 files changed, 27 insertions, 0 deletions
diff --git a/desktop/modules/appearance/WallShader.qml b/desktop/modules/appearance/WallShader.qml
new file mode 100644
index 0000000..19826ac
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+++ b/desktop/modules/appearance/WallShader.qml
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+// Copyright (C) 2026 Danilo M. <danix@danix.xyz>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2 as
+// published by the Free Software Foundation.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+import QtQuick
+
+// One transition, by name, for the cover and the settings page's thumbnails.
+// Goes in the old picture's layer.effect, which fills in source. Every shader
+// draws the old picture at progress 0 and the new one at 1, and picks what it
+// needs from these properties. target must be an item with a layer: an Image
+// sampled directly gives the whole picture, not its PreserveAspectCrop crop.
+ShaderEffect {
+    property string name: "burn"
+    property var source
+    property var target
+    property real progress: 0
+    property real aspect: 1
+    property point origin: Qt.point(0.5, 0.5)
+    fragmentShader: Qt.resolvedUrl(name + ".frag.qsb")
+}