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Reviewed-by: Sarah Smith
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Previous code was creating a full 3D rotation matrix and then
projecting back to 2D. This change combines the two steps into
one to avoid calculating matrix components that will be dropped.
Reviewed-by: Sarah Smith
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The projection to 2D needs to be done when the rotation is applied,
not after all transformations have been applied.
Reviewed-by: trustme
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The 'fuzzy' value for the was not relaxed enoough for small devices
such as Windows Mobile and the like.
Reviewed-by: Joerg
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Reviewed-by: Trust Me
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Reviewed-by: Trust Me
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QMatrix4x4::toTransform() now does what project() used to do.
Reviewed-by: trustme
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QTransform-based transformations create problems when performing
X and Y axis rotations because they aren't using true 3D. This
change modifies QGraphicsTransform and its sub-classes to use
QMatrix4x4 as the standard transformation matrix, with a project()
function to project back to 2D when required.
Reviewed-by: trustme
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You can now also set the axis following hte Qt::Axis enum
Note: I'm not 100% sure about the maths in QGraphicsRotation::applyTo
Feel free to fix it.
Reviewed-by: ogoffart
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Reviewed-by: Trust Me
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The docs said that the default axis was (0, 0, 1), but the code
and unit tests were using (0, 0, 0). Modify the code to match the
docs because (0, 0, 0) is not very useful. Also optimize the
calculation of sin/cos values for 90, 180, and 270 degrees.
Reviewed-by: Aaron Kennedy
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The idea of having separate rotationX/Y/Z, shearX/Y, etc.
methods in QGraphicsItem turned out to be not giving us
the flexibility we need and wanted.
The new code now implements a different scheme, where we
keep simple rotate (around z-axis), scale and
transformOriginPoint methods, but remove the other ones.
Instead we now have an additional list of QGraphicsTransform
object. QGraphicsTransform is an abstract class that inherits
QObject. Several specializations are provided and can be
used to transform (and through property bindings animate)
the item.
Reviewed-By: Andreas
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