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QmlDesigner: Improve usage of QML items as quick3d textures

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Quick3D Texture elements require some window signals to show QML item
as texture, so we fake them to make textures appear in form editor
and state preview. To prevent texture mirroring, flipV value
is force set at proxy creation. To keep state preview up to date,
we trigger multiple render passes if there are any QML items used
as texture sources in quick3D textures.

Task-number: QDS-2290
Change-Id: I16c34aad943213c0b737fdb073333be3bbd40f2d
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>
This commit is contained in:
Miikka Heikkinen
2020-06-17 15:54:41 +03:00
parent c6b9a03b39
commit 60ff6b6577
12 changed files with 203 additions and 1 deletions
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share/qtcreator/qml/qmlpuppet/qml2puppet/instances/quickitemnodeinstance.cpp
+15 -1
View File
@@ -386,8 +386,14 @@ QImage QuickItemNodeInstance::renderImage() const
static double devicePixelRatio = qgetenv("FORMEDITOR_DEVICE_PIXEL_RATIO").toDouble();
size *= devicePixelRatio;
// Fake render loop signaling to update things like QML items as 3D textures
nodeInstanceServer()->quickView()->beforeSynchronizing();
nodeInstanceServer()->quickView()->beforeRendering();
QImage renderImage = designerSupport()->renderImageForItem(quickItem(), renderBoundingRect, size);
nodeInstanceServer()->quickView()->afterRendering();
renderImage.setDevicePixelRatio(devicePixelRatio);
return renderImage;
@@ -401,7 +407,15 @@ QImage QuickItemNodeInstance::renderPreviewImage(const QSize &previewImageSize)
static double devicePixelRatio = qgetenv("FORMEDITOR_DEVICE_PIXEL_RATIO").toDouble();
const QSize size = previewImageSize * devicePixelRatio;
if (quickItem()->isVisible()) {
return designerSupport()->renderImageForItem(quickItem(), previewItemBoundingRect, size);
// Fake render loop signaling to update things like QML items as 3D textures
nodeInstanceServer()->quickView()->beforeSynchronizing();
nodeInstanceServer()->quickView()->beforeRendering();
QImage image = designerSupport()->renderImageForItem(quickItem(), previewItemBoundingRect, size);
nodeInstanceServer()->quickView()->afterRendering();
return image;
} else {
QImage transparentImage(size, QImage::Format_ARGB32_Premultiplied);
transparentImage.fill(Qt::transparent);