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authorAaron Kennedy <aaron.kennedy@nokia.com>2009-10-26 01:37:00 (GMT)
committerAaron Kennedy <aaron.kennedy@nokia.com>2009-10-26 01:37:00 (GMT)
commit133b1e641ba9245fe86feb9fc17f9906dee4d74f (patch)
treef03bf1d1e5aeb331c4c93c86b5087f6fba7abe9e /src/declarative/fx/qfxitem.cpp
parent2b0cf3b6a2f1c49f40d6f50b4d24bdd87a4807fa (diff)
parent4fbd2ad6c90fa4946595c715dedf712d77350fb8 (diff)
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Merge branch 'kinetic-declarativeui' of git@scm.dev.nokia.troll.no:qt/kinetic into kinetic-declarativeui
Diffstat (limited to 'src/declarative/fx/qfxitem.cpp')
-rw-r--r--src/declarative/fx/qfxitem.cpp37
1 files changed, 21 insertions, 16 deletions
diff --git a/src/declarative/fx/qfxitem.cpp b/src/declarative/fx/qfxitem.cpp
index 317a284..b82a38d 100644
--- a/src/declarative/fx/qfxitem.cpp
+++ b/src/declarative/fx/qfxitem.cpp
@@ -79,15 +79,10 @@ QML_DEFINE_TYPE(Qt,4,6,(QT_VERSION&0x00ff00)>>8,Rotation,QGraphicsRotation)
#include "qfxeffects.cpp"
/*!
- \qmlclass Transform
- \brief A transformation.
-*/
-
-/*!
\qmlclass Scale
- \brief A Scale object provides a way to scale an Item.
+ \brief The Scale object provides a way to scale an Item.
- The scale object gives more control over scaling than using Item's scale property. Specifically,
+ The Scale object gives more control over scaling than using Item's scale property. Specifically,
it allows a different scale for the x and y axes, and allows the scale to be relative to an
arbitrary point.
@@ -105,13 +100,14 @@ QML_DEFINE_TYPE(Qt,4,6,(QT_VERSION&0x00ff00)>>8,Rotation,QGraphicsRotation)
\qmlproperty real Scale::origin.x
\qmlproperty real Scale::origin.y
- The origin point for the scale. The scale will be relative to this point.
+ The point that the item is scaled from (i.e., the point that stays fixed relative to the parent as
+ the rest of the item grows). By default the origin is 0, 0.
*/
/*!
\qmlproperty real Scale::xScale
- The scaling factor for the X axis.
+ The scaling factor for the X axis.
*/
/*!
@@ -122,7 +118,10 @@ QML_DEFINE_TYPE(Qt,4,6,(QT_VERSION&0x00ff00)>>8,Rotation,QGraphicsRotation)
/*!
\qmlclass Rotation
- \brief A Rotation object provides a way to rotate an Item around a point using an axis in 3D space.
+ \brief The Rotation object provides a way to rotate an Item.
+
+ The Rotation object gives more control over rotation than using Item's rotation property.
+ Specifically, it allows (z axis) rotation to be relative to an arbitrary point.
The following example rotates a Rectangle around its interior point 25, 25:
\qml
@@ -133,7 +132,10 @@ QML_DEFINE_TYPE(Qt,4,6,(QT_VERSION&0x00ff00)>>8,Rotation,QGraphicsRotation)
}
\endqml
- Here is an example of various rotations applied to an \l Image.
+ Rotation also provides a way to specify 3D-like rotations for Items. For these types of
+ rotations you must specify the axis to rotate around in addition to the origin point.
+
+ The following example shows various 3D-like rotations applied to an \l Image.
\snippet doc/src/snippets/declarative/rotation.qml 0
\image axisrotation.png
@@ -143,7 +145,8 @@ QML_DEFINE_TYPE(Qt,4,6,(QT_VERSION&0x00ff00)>>8,Rotation,QGraphicsRotation)
\qmlproperty real Rotation::origin.x
\qmlproperty real Rotation::origin.y
- The point to rotate around.
+ The origin point of the rotation (i.e., the point that stays fixed relative to the parent as
+ the rest of the item rotates). By default the origin is 0, 0.
*/
/*!
@@ -151,16 +154,18 @@ QML_DEFINE_TYPE(Qt,4,6,(QT_VERSION&0x00ff00)>>8,Rotation,QGraphicsRotation)
\qmlproperty real Rotation::axis.y
\qmlproperty real Rotation::axis.z
- A rotation axis is specified by a vector in 3D space By default the vector defines a rotation around the z-Axis.
+ The axis to rotate around. For simple (2D) rotation around a point, you do not need to specify an axis,
+ as the default axis is the z axis (\c{ axis { x: 0; y: 0; z: 0 } }).
- \image 3d-rotation-axis.png
+ For a typical 3D-like rotation you will usually specify both the origin and the axis.
+ \image 3d-rotation-axis.png
*/
/*!
\qmlproperty real Rotation::angle
- The angle, in degrees, to rotate.
+ The angle to rotate, in degrees clockwise.
*/
@@ -2113,7 +2118,7 @@ void QFxItem::setBaselineOffset(qreal offset)
/*!
\qmlproperty real Item::rotation
- This property holds the rotation of the item in degrees.
+ This property holds the rotation of the item in degrees clockwise.
This specifies how many degrees to rotate the item around its transformOrigin.
The default rotation is 0 degrees (i.e. not rotated at all).