[Lens Distortion] subdivisions slider

meshroom/ui/qml/Viewer/FloatImage.qml

@@ -36,7 +36,7 @@ AliceVision.FloatImageViewer {
     // rename into distortionView
     property bool distortion: false
     property bool isGridDisplayed : false;
-
+    property int subdivisions: 2
 
     onDistortionChanged: {
         console.warn("distortion");
@@ -47,6 +47,9 @@ AliceVision.FloatImageViewer {
         root.displayGrid()
     }
 
+    onSubdivisionsChanged: {
+        root.updateSubdivisions(subdivisions)
+    }
 
     channelMode: {
         switch(channelModeString)

meshroom/ui/qml/Viewer/LensDistortionToolbar.qml

@@ -12,9 +12,11 @@ FloatingPane {
     radius: 0
 
     property int opacityDefaultValue: 100
+    property int subdivisionsDefaultValue: 100
 
     property real slidersPowerValue: 4
     property int opacityValue: Math.pow(opacityCtrl.value, 1)
+    property int subdivisionsValue: Math.pow(subdivisionsCtrl.value, 1)
 
     property variant colorRGBA: null
     property bool displayGrid: displayGridButton.checked
@@ -104,6 +106,47 @@ FloatingPane {
                 stepSize: 1
             }
         }
+
+        // Grid subdivisions slider
+        RowLayout {
+            spacing: 5
+
+            ToolButton {
+                text: "Subdivisions"
+
+                ToolTip.visible: ToolTip.text && hovered
+                ToolTip.delay: 100
+                ToolTip.text: "Reset Subdivisions"
+
+                onClicked: {
+                    subdivisionsCtrl.value = subdivisionsDefaultValue;
+                }
+            }
+            TextField {
+                id: subdivisionsLabel
+
+                ToolTip.visible: ToolTip.text && hovered
+                ToolTip.delay: 100
+                ToolTip.text: "subdivisions"
+
+                text: subdivisionsValue.toFixed(1)
+                Layout.preferredWidth: textMetrics_opacityValue.width
+                selectByMouse: true
+                validator: doubleValidator
+                onAccepted: {
+                    subdivisionsCtrl.value = Number(subdivisionsLabel.text)
+                }
+            }
+            Slider {
+                id: subdivisionsCtrl
+                Layout.fillWidth: false
+                from: 2
+                to: 10
+                value: subdivisionsDefaultValue
+                stepSize: 1
+            }
+        }
+
         //Fill rectangle to have a better UI
         Rectangle {
         color: root.palette.window

meshroom/ui/qml/Viewer/Viewer2D.qml

@@ -233,6 +233,7 @@ FocusScope {
                                 'gridOpacity' : Qt.binding(function(){ return lensDistortionImageToolbar.opacityValue;}),
                                 'gridColor' : Qt.binding(function(){ return lensDistortionImageToolbar.color;}),
                                 'distortion' : Qt.binding(function(){ return displayLensDistortionViewer.checked;}),
+                                'subdivisions' : Qt.binding(function(){ return lensDistortionImageToolbar.subdivisionsValue;}),
                             })
                         } else {
                             // Force the unload (instead of using Component.onCompleted to load it once and for all) is necessary since Qt 5.14