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/*
SPDX-FileCopyrightText: 2014 Aleix Pol Gonzalez <aleixpol@blue-systems.com>
SPDX-License-Identifier: GPL-2.0-or-later
*/
import QtQuick 2.6
import QtQuick.Controls 1.1
import QtQuick.Layouts 1.1
import QtGraphicalEffects 1.0
import org.kde.plasma.core 2.0 as PlasmaCore
import org.kde.plasma.private.sessions 2.0
import "../components"
Item {
id: wallpaperFader
property Item clock
property Item mainStack
property Item footer
property alias source: wallpaperBlur.source
state: lockScreenRoot.uiVisible ? "on" : "off"
property real factor: 0
readonly property bool lightBackground: Math.max(PlasmaCore.ColorScope.backgroundColor.r, PlasmaCore.ColorScope.backgroundColor.g, PlasmaCore.ColorScope.backgroundColor.b) > 0.5
property bool alwaysShowClock: typeof config === "undefined" || typeof config.alwaysShowClock === "undefined" || config.alwaysShowClock === true
Behavior on factor {
NumberAnimation {
target: wallpaperFader
property: "factor"
duration: PlasmaCore.Units.veryLongDuration * 2
easing.type: Easing.InOutQuad
}
}
FastBlur {
id: wallpaperBlur
anchors.fill: parent
radius: 50 * wallpaperFader.factor
}
ShaderEffect {
id: wallpaperShader
anchors.fill: parent
supportsAtlasTextures: true
property var source: ShaderEffectSource {
sourceItem: wallpaperBlur
live: true
hideSource: true
textureMirroring: ShaderEffectSource.NoMirroring
}
readonly property real contrast: 0.65 * wallpaperFader.factor + (1 - wallpaperFader.factor)
readonly property real saturation: 1.6 * wallpaperFader.factor + (1 - wallpaperFader.factor)
readonly property real intensity: (wallpaperFader.lightBackground ? 1.7 : 0.6) * wallpaperFader.factor + (1 - wallpaperFader.factor)
readonly property real transl: (1.0 - contrast) / 2.0;
readonly property real rval: (1.0 - saturation) * 0.2126;
readonly property real gval: (1.0 - saturation) * 0.7152;
readonly property real bval: (1.0 - saturation) * 0.0722;
property var colorMatrix: Qt.matrix4x4(
contrast, 0, 0, 0.0,
0, contrast, 0, 0.0,
0, 0, contrast, 0.0,
transl, transl, transl, 1.0).times(Qt.matrix4x4(
rval + saturation, rval, rval, 0.0,
gval, gval + saturation, gval, 0.0,
bval, bval, bval + saturation, 0.0,
0, 0, 0, 1.0)).times(Qt.matrix4x4(
intensity, 0, 0, 0,
0, intensity, 0, 0,
0, 0, intensity, 0,
0, 0, 0, 1
));
fragmentShader: "
uniform mediump mat4 colorMatrix;
uniform mediump sampler2D source;
varying mediump vec2 qt_TexCoord0;
uniform lowp float qt_Opacity;
void main(void)
{
mediump vec4 tex = texture2D(source, qt_TexCoord0);
gl_FragColor = tex * colorMatrix * qt_Opacity;
}"
}
states: [
State {
name: "on"
PropertyChanges {
target: mainStack
opacity: 1
}
PropertyChanges {
target: footer
opacity: 1
}
PropertyChanges {
target: wallpaperFader
factor: 1
}
PropertyChanges {
target: clock.shadow
opacity: 0
}
PropertyChanges {
target: clock
opacity: 1
}
},
State {
name: "off"
PropertyChanges {
target: mainStack
opacity: 0
}
PropertyChanges {
target: footer
opacity: 0
}
PropertyChanges {
target: wallpaperFader
factor: 0
}
PropertyChanges {
target: clock.shadow
opacity: wallpaperFader.alwaysShowClock ? 1 : 0
}
PropertyChanges {
target: clock
opacity: wallpaperFader.alwaysShowClock ? 1 : 0
}
}
]
transitions: [
Transition {
from: "off"
to: "on"
//Note: can't use animators as they don't play well with parallelanimations
NumberAnimation {
targets: [mainStack, footer, clock]
property: "opacity"
duration: PlasmaCore.Units.veryLongDuration
easing.type: Easing.InOutQuad
}
},
Transition {
from: "on"
to: "off"
NumberAnimation {
targets: [mainStack, footer, clock]
property: "opacity"
duration: PlasmaCore.Units.veryLongDuration
easing.type: Easing.InOutQuad
}
}
]
}
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