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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
import QtQuick.Controls.Material
import QtQuick.Controls.Material.impl
ElevationEffect {
required property int roundedScale
_shadows: roundedScale === Material.NotRounded ? _defaultShadows : roundedShadows()
function roundedShadows() {
// Make a deep copy.
let shadows = [..._defaultShadows]
for (let i = 0, strength = 0.95; i < shadows.length; ++i) {
// See comment on BoxShadow's strength property for why we do this.
shadows[i].strength = strength
// We don't want the strength to be too high for the controls with very slightly rounded
// corners, as they are quite close to the non-rounded ones in terms of not needing adjustments.
// This is still not great for the higher elevations for ExtraSmallScale, but it's as good
// as I can get it.
strength = Math.max(0.05, strength - (roundedScale > Material.ExtraSmallScale ? 0.1 : 0.3))
// The values at index 0 are already 0, and we don't want our Math.max(1, ...) code to affect them.
if (i > 0) {
// The blur values for e.g. buttons with rounded corners are too large, so we reduce them.
for (let angularShadowIndex = 0; angularShadowIndex < shadows[i].angularValues.length; ++angularShadowIndex) {
shadows[i].angularValues[angularShadowIndex].blur =
Math.max(1, Math.floor(shadows[i].angularValues[angularShadowIndex].blur / 4))
}
}
}
return shadows
}
}
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