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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0 WITH Qt-GPL-exception-1.0
import QtQuick 2.15
import QtQuick3D 1.15
Item {
id: root
width: 150
height: 150
visible: true
property View3D view: null
property alias contentItem: contentItem
property var previewObject
property var materialViewComponent
property var modelViewComponent
property var nodeViewComponent
property bool closeUp: false
function destroyView()
{
previewObject = null;
if (view)
view.destroy();
}
function createViewForObject(obj, env, envValue, model)
{
if (obj instanceof Material)
createViewForMaterial(obj, env, envValue, model);
else if (obj instanceof Model)
createViewForModel(obj);
else if (obj instanceof Node)
createViewForNode(obj);
}
function createViewForMaterial(material, env, envValue, model)
{
if (!materialViewComponent)
materialViewComponent = Qt.createComponent("MaterialNodeView.qml");
// Always recreate the view to ensure material is up to date
if (materialViewComponent.status === Component.Ready) {
view = materialViewComponent.createObject(viewRect, {"previewMaterial": material,
"envMode": env,
"envValue": envValue,
"modelSrc": model});
}
previewObject = material;
}
function createViewForModel(model)
{
if (!modelViewComponent)
modelViewComponent = Qt.createComponent("ModelNodeView.qml");
// Always recreate the view to ensure model is up to date
if (modelViewComponent.status === Component.Ready)
view = modelViewComponent.createObject(viewRect, {"sourceModel": model});
previewObject = model;
}
function createViewForNode(node)
{
if (!nodeViewComponent)
nodeViewComponent = Qt.createComponent("NodeNodeView.qml");
// Always recreate the view to ensure node is up to date
if (nodeViewComponent.status === Component.Ready)
view = nodeViewComponent.createObject(viewRect, {"importScene": node});
previewObject = node;
}
function fitToViewPort()
{
view.fitToViewPort(closeUp);
}
// Enables/disables icon mode. When in icon mode, camera is zoomed bit closer to reduce margins
// and the background is removed, in order to generate a preview suitable for library icons.
function setIconMode(enable)
{
closeUp = enable;
backgroundRect.visible = !enable;
}
View3D {
// Dummy view to hold the context
// TODO remove when QTBUG-87678 is fixed
}
Item {
id: contentItem
anchors.fill: parent
Item {
id: viewRect
anchors.fill: parent
}
// We can use static image in Qt5 as only small previews will be generated
Image {
id: backgroundRect
anchors.fill: parent
z: -1
source: "../images/static_floor.png"
fillMode: Image.Stretch
}
}
}
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