Minor change to support undo.

Undo is still PRIMITIVE and does not take layers into account.
poetaster · May 3, 2022 · fb98bcc · fb98bcc
1 parent 43376bb
commit fb98bcc
Show file tree

Hide file tree

Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/qml/components/DrawingCanvas.qml b/qml/components/DrawingCanvas.qml
@@ -34,6 +34,10 @@ Canvas
     property alias areagMouseX: area.gMouseX
     property alias areagMouseY: area.gMouseY
 
+    // try some
+    renderTarget: Canvas.FramebufferObject // default slower: Canvas.Image
+    renderStrategy: Canvas.Immediate // less memory: Canvas.Cooperative
+
     property var brush
 
     Connections
@@ -354,8 +358,10 @@ Canvas
                     area.gMouseX = Math.round(mouseX)
                     area.gMouseY = Math.round(mouseY)
                 }
-                // undo
+
+                // begin undo
                 idSaveCanvastimer.start()
+
                 switch (drawMode)
                 {
                 case Painter.Eraser:

diff --git a/qml/components/ToolbarButtonUndo.qml b/qml/components/ToolbarButtonUndo.qml
@@ -15,7 +15,7 @@ IconButton
     icon.source: "../icons/icon-m-undo.svg"
     icon.width: Theme.iconSizeMedium
     icon.height: Theme.iconSizeMedium
-
+    height: parent.height
     rotation: rotationSensor.angle
     Behavior on rotation { SmoothedAnimation { duration: 500 } }