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Add a new Path item to the Helpers module: pathInterpolated, that
holds a list of paths (specified as svg path texts) and has a settable
interpolation factor property. Based on the value factor, the
resulting path will be an interpolation between path #n and path#n+1,
where n is the integer part of the factor. The fractional part
determines the interpolation weight between the two.
Replace the static QPainterPath in PathNodeInfo with an animated
property holding QPainterPath values. During generation, if the
property is found to be animated, a PathInterpolated item is generated
instead of a static PathSvg item.
Change-Id: Ic061005e135cbde1bd88ab1ac7c9e7840f55c232
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
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Add support for alpha and inverted mask modes
Task-number: QTBUG-137913
Change-Id: I86a58d860733abee2158788ff74ce36eef42c770
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
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This implements support for SVG masks with the default content
unit type. The alternative "object bounding box" content unit type
is still not supported as it would need additional logic to replicate
the mask per masked item.
With this change, the parser has to provide a unique ID for each node,
so that references to masks can be resolved by the parser. This involves
some complexity in the SVG parser to avoid name collisions for use nodes,
switch nodes, etc.
Task-number: QTBUG-121537
Change-Id: If9f47f364f8682ab6021e7f6277c480c3f075297
Reviewed-by: Hatem ElKharashy <hatem.elkharashy@qt.io>
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In particular, remove the Layer helper item, which will be added to a
qtlottie helpers import instead.
Change-Id: I9df98fc5bd983dd13822b62655e65f7f1093f4ca
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
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Change-Id: I702ddfa549a7fadee423628f576dfff4083448a7
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
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SVG has a feature where a set of animations on the transform
can be set to either replace or append to previous animations,
but only while the animation set is active.
In order to support this, we introduce a helper class called
TransformGroup which can contain a set of parallel animations
and have them override the others.
Change-Id: I28be7d120527b1f2d1e3dbf5c5de94094c766363
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
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The Lottie file format has a feature where a layer can have
the transform of another layer (including any transform
set on one of its ancestors) as its base. This means that
we need a specialized helper type that collects the transforms
of its ancestors and exposes the combination so that it can
be referenced from a different part of the generated QML.
Change-Id: I20b72cb9b9af2834f40f391ecb8df7bb0c5e1958
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
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The alpha value of the fill and stroke colors can be animated
separately in SVG. In order to support this, we introduce a
specialized ColorOpacityAnimation type in a Helpers library
which only overwrites the alpha channel of the target property.
This requires an extra hook in the animation frame work which
allows us to get the current value of the property. It should
have minimal impact on any existing code, but may have
additional use cases later, when we implement support for
additive color animations for instance. Since the interpolator
API in QVariantAnimation is public API, we add a secondary,
private API for this. If we see use for it in the future,
this could mature to a public API as well.
Fixes: QTBUG-135322
Change-Id: I803f4e64c41e9d6dc355f2468233661885aa7f15
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
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