From e23b20cd70d25b70cf9e83dfdc421e4b1b725832 Mon Sep 17 00:00:00 2001
From: Landrodie <nilsland31@gmail.com>
Date: Tue, 12 Jan 2021 11:18:07 +0100
Subject: [PATCH] wip [panoramaViewer] add viewer files

---
 meshroom/ui/qml/Viewer/PanoramaViewer.qml | 56 +++++++++++++++++++++++
 meshroom/ui/qml/Viewer/Viewer2D.qml       | 40 +++++++++++++++-
 2 files changed, 95 insertions(+), 1 deletion(-)
 create mode 100644 meshroom/ui/qml/Viewer/PanoramaViewer.qml

diff --git a/meshroom/ui/qml/Viewer/PanoramaViewer.qml b/meshroom/ui/qml/Viewer/PanoramaViewer.qml
new file mode 100644
index 00000000..9314afbc
--- /dev/null
+++ b/meshroom/ui/qml/Viewer/PanoramaViewer.qml
@@ -0,0 +1,56 @@
+import QtQuick 2.11
+import Utils 1.0
+
+import AliceVision 1.0 as AliceVision
+
+/**
+ * FloatImage displays an Image with gamma / offset / channel controls
+ * Requires QtAliceVision plugin.
+ */
+
+AliceVision.PanoramaViewer {
+    id: root
+
+    width: textureSize.width
+    height: textureSize.height
+    visible: (status === Image.Ready)
+
+    // paintedWidth / paintedHeight / status for compatibility with standard Image
+    property int paintedWidth: textureSize.width
+    property int paintedHeight: textureSize.height
+    property var status: {
+        if(root.loading)
+            return Image.Loading;
+        else if((root.source === "") ||
+                (root.sourceSize.height <= 0) ||
+                (root.sourceSize.height <= 0))
+            return Image.Null;
+        return Image.Ready;
+    }
+
+    property string channelModeString : "rgba"
+
+    channelMode: {
+        switch(channelModeString)
+        {
+            case "rgb": return AliceVision.FloatImageViewer.EChannelMode.RGB
+            case "r": return AliceVision.FloatImageViewer.EChannelMode.R
+            case "g": return AliceVision.FloatImageViewer.EChannelMode.G
+            case "b": return AliceVision.FloatImageViewer.EChannelMode.B
+            case "a": return AliceVision.FloatImageViewer.EChannelMode.A
+            default: return AliceVision.FloatImageViewer.EChannelMode.RGBA
+        }
+    }
+    clearBeforeLoad: true
+
+    property alias containsMouse: mouseArea.containsMouse
+    property alias mouseX: mouseArea.mouseX
+    property alias mouseY: mouseArea.mouseY
+    MouseArea {
+        id: mouseArea
+        anchors.fill: parent
+        hoverEnabled: true
+        // Do not intercept mouse events, only get the mouse over information
+        acceptedButtons: Qt.NoButton
+    }
+}
diff --git a/meshroom/ui/qml/Viewer/Viewer2D.qml b/meshroom/ui/qml/Viewer/Viewer2D.qml
index 83b1b2e3..36687f45 100644
--- a/meshroom/ui/qml/Viewer/Viewer2D.qml
+++ b/meshroom/ui/qml/Viewer/Viewer2D.qml
@@ -15,6 +15,7 @@ FocusScope {
 
     property Component floatViewerComp: Qt.createComponent("FloatImage.qml")
     property alias useFloatImageViewer: displayHDR.checked
+    property alias usePanoramaImageViewer: displayPanoramaViewer.checked
 
     Loader {
         id: aliceVisionPluginLoader
@@ -227,10 +228,34 @@ FocusScope {
                     }
                 }
 
+                Loader {
+                    id: panoramaViewerLoader
+                    active: root.aliceVisionPluginAvailable && root.usePanoramaImageViewer
+                    visible: (panoramaViewerLoader.status === Loader.Ready)
+                    anchors.centerIn: parent
+
+                    onActiveChanged: {
+                        if(active) {
+                            // instantiate and initialize a FeaturesViewer component dynamically using Loader.setSource
+                            // Note: It does not work to use previously created component, so we re-create it with setSource.
+                            // floatViewerComp.createObject(floatImageViewerLoader, {
+                            setSource("PanoramaViewer.qml", {
+                                'source':  Qt.binding(function() { return getImageFile(imageType.type); }),
+                                'gamma': Qt.binding(function() { return hdrImageToolbar.gammaValue; }),
+                                'gain': Qt.binding(function() { return hdrImageToolbar.gainValue; }),
+                                'channelModeString': Qt.binding(function() { return hdrImageToolbar.channelModeValue; }),
+                            })
+                        } else {
+                            // Force the unload (instead of using Component.onCompleted to load it once and for all) is necessary since Qt 5.14
+                            setSource("", {})
+                        }
+                    }
+                }
+
                 // Simple QML Image Viewer (using Qt or qtOIIO to load images)
                 Loader {
                     id: qtImageViewerLoader
-                    active: !floatImageViewerLoader.active
+                    active: !floatImageViewerLoader.active && !panoramaViewerLoader.active
                     anchors.centerIn: parent
                     sourceComponent: Image {
                         id: qtImageViewer
@@ -694,6 +719,19 @@ FocusScope {
                             checked: false
                             enabled: root.aliceVisionPluginAvailable
                         }
+                        MaterialToolButton {
+                            id: displayPanoramaViewer
+                            ToolTip.text: "Panorama Viewer"
+                            text: MaterialIcons.panorama_horizontal
+                            // larger font but smaller padding,
+                            // so it is visually similar.
+                            font.pointSize: 16
+                            padding: 0
+                            Layout.minimumWidth: 0
+                            checkable: true
+                            checked: false
+                            enabled: root.aliceVisionPluginAvailable
+                        }
                         MaterialToolButton {
                             id: displayFeatures
                             ToolTip.text: "Display Features"