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Express qmlvideofx effect parameters declaratively

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Each effect item now exposes a ListModel property which describes the
set of user-controllable parameters.  This model is used by the
ParameterPanel component to generate a ListView whose delegate displays
the parameter name and a slider.

Change-Id: Ib26877fe434d8b746ef621e0b4adbcbe1ed9aaa8
Reviewed-by: Michael Goddard <michael.goddard@nokia.com>
This commit is contained in:
Gareth Stockwell
2011-12-20 13:51:34 +00:00
committed by Qt by Nokia
parent febe398400
commit 9092b1ae46
29 changed files with 225 additions and 222 deletions
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17
examples/video/qmlvideofx/qml/qmlvideofx/EffectToon.qml
View File

@@ -42,15 +42,16 @@
import QtQuick 2.0
Effect {
// Constant properties which must be supported by every effect
property int numParameters: 1
property bool supportsDivider: true
parameters: ListModel {
ListElement {
name: "threshold"
value: 0.5
}
}
property real param1Value: 0.5
property real dividerValue: 0.5
property real threshold: param1Value
property real targetSize: 250 - (200 * param1Value) // TODO: fix ...
// Transform slider values, and bind result to shader uniforms
property real threshold: parameters.get(0).value
property real targetSize: 250 - (200 * threshold) // TODO: fix ...
property real resS: targetSize
property real resT: targetSize