[Qt-qml] Antwort: Re: Custom transform origin point during rotation
Matthias Feldweg
matthias.feldweg at e-gits.com
Wed Dec 21 16:07:09 CET 2011
Hi Dietrich,
you can add a NumberAnimation on the "angle" property of the rotation:
Image{
anchors.centerIn: parent
source: "qt-logo.png"
transform: Rotation {
id: myRot
}
SequentialAnimation {
running: true
loops: Animation.Infinite
PropertyAction { target: myRot; property: "origin.x"; value: 0 }
PropertyAction { target: myRot; property: "origin.y"; value: 0 }
NumberAnimation { target: myRot; property: "angle"; to: 180; duration: 2000}
PropertyAction { target: myRot; property: "origin.x"; value: 40 }
PropertyAction { target: myRot; property: "origin.y"; value: 40 }
NumberAnimation { target: myRot; property: "angle"; to: 0; duration: 2000}
}
}
Mit freundlichen Grüßen / Kind regards
Matthias Feldweg
http://www.e-gits.com
Am 21.12.2011 15:42, schrieb Dietrich.Gossen at continental-corporation.com:
> Hi Matthias,
>
> how do I modify the angle in a sequential animation?
> Because this example transforms the image just once.
>
> Mit freundlichen Grüßen
>
> Dietrich Gossen
> Continental Engineering Services
>
> Rechnungsanschrift/Billing Address/Besucheradresse/Visitor Address:
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>
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>
> Von: Matthias Feldweg <matthias.feldweg at e-gits.com>
> An: qt-qml at qt.nokia.com
> Datum: 21.12.2011 11:35
> Betreff: Re: [Qt-qml] Custom transform origin point during
> rotation
> Gesendet von:
> qt-qml-bounces+dietrich.gossen=continental-corporation.com at qt.nokia.com
> ------------------------------------------------------------------------
>
>
>
> You can add a "QML Rotation Element" to the image transformation list
> see _http://doc.qt.nokia.com/4.7/qml-rotation.html_.
>
> Animate the properties of the rotation.
>
> _Image_ <http://doc.qt.nokia.com/4.7-snapshot/qml-image.html>{
> source: "pics/qt.png"
> transform: Rotation { origin.x: 30; origin.y: 30; axis { x: 0;
> y: 1; z: 0 } angle: 18 }
> smooth: true
> }
>
>
>
>
>
> Am 21.12.2011 11:04, schrieb
> _Dietrich.Gossen at continental-corporation.com:_
> <mailto:Dietrich.Gossen at continental-corporation.com:>
> Hi,
>
> I am having problems to set a custom transform origin point and rotate
> an image around it.
> That’s how I do it now (without success):
>
> That’s the *definition of the image and the state*
> 1. Image {
> 2. id: image1
> 3. smooth: true
> 4. source: "image1.png"
> 5. }
> 6.
> 7. State {
> 8. name: "rotated"
> 9. PropertyChanges {
> 10. target: image1
> 11. transformOriginPoint: _Qt_
> <http://developer.qt.nokia.com/doc/Qt.html>.point(20, 40)
> 12. }
> 13. }
>
> That’s my *animation*—
> 1. SequentialAnimation{
> 2. loops: Animation.Infinite
> 3. running: true
> 4.
> 5. PropertyAction { target: image1; property:
> "transformOriginPoint" }
> 6. RotationAnimation { target: image1; to: 180;
> direction: RotationAnimation.Clockwise; duration: 2000}
> 7.
> 8. PropertyAction { target: image1; property:
> "transformOriginPoint" }
> 9. RotationAnimation { target: image1; to: 0;
> direction: RotationAnimation.Counterclockwise; duration: 2000
> 10. }
>
> I couldn’t find any example in the documentation about custom
> transform origin points.
>
> Thanks
>
>
> Mit freundlichen Grüßen
>
> Dietrich Gossen
> Continental Engineering Services
>
> Rechnungsanschrift/Billing Address/Besucheradresse/Visitor Address:
> Continental Engineering Services GmbH
> Osterhofener Straße 17, 93055 Regensburg, Germany
> Postfach 10 09 43, 93009 Regensburg, Germany
>
> Telefon/Phone: +49 941 790-5681
> Telefax: +49 941 79099-6590
> E-Mail: _dietrich.gossen at continental-corporation.com_
> <mailto:dietrich.gossen at continental-corporation.com>
>
> _http://www.conti-engineering.com_ <http://www.conti-engineering.com/>
> _____________________________________________
> Continental Engineering Services GmbH, Graf-Vollrath-Weg 6, D-60489
> Frankfurt/Main
> Geschaeftsfuehrer/Managing Director: Bernd Neitzel, Dr. Stefan Stoelzl,
> Dr. Jochen Weisse
> Sitz der Gesellschaft/Registered Office: Frankfurt
> Registergericht/Registered Court: Amtsgericht Frankfurt HRB 76752
> _____________________________________________
> Proprietary and confidential. Distribution only by express authority of
> Continental AG or its subsidiaries.
>
>
>
>
> _______________________________________________
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>
>
> --
>
> Mit freundlichen Grüßen / Kind regards
>
> Matthias Feldweg
> Senior Software Engineer
>
> e-GITS GmbH
> Global IT Solutions
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>
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