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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.0
import QtQuick.Particles 2.0
Flipable {
id: container
property alias frontContainer: containerFront
property string photoTitle: ""
property string photoTags: ""
property int photoWidth
property int photoHeight
property string photoType
property string photoAuthor
property string photoDate
property string photoUrl
property int rating: 2
property variant prevScale: 1.0
property int flipDuration: 1600
signal closed
transform: Rotation {
id: itemRotation
origin.x: container.width / 2;
axis.y: 1; axis.z: 0
}
front: Item {
id: containerFront; anchors.fill: container
Rectangle {
anchors.fill: parent
color: "black"; opacity: 0.4
}
Column {
spacing: 10
anchors {
left: parent.left; leftMargin: 10
right: parent.right; rightMargin: 10
top: parent.top; topMargin: 120
}
Text { font.bold: true; color: "white"; elide: Text.ElideRight; text: container.photoTitle; width: parent.width }
Text { color: "white"; elide: Text.ElideRight; text: "Size: " + container.photoWidth + 'x' + container.photoHeight; width: parent.width }
Text { color: "white"; elide: Text.ElideRight; text: "Type: " + container.photoType; width: parent.width }
Text { color: "white"; elide: Text.ElideRight; text: "Author: " + container.photoAuthor; width: parent.width }
Text { color: "white"; elide: Text.ElideRight; text: "Published: " + container.photoDate; width: parent.width }
Text { color: "white"; elide: Text.ElideRight; text: container.photoTags == "" ? "" : "Tags: "; width: parent.width }
Text { color: "white"; elide: Text.ElideRight; text: container.photoTags; width: parent.width }
}
}
back: Item {
anchors.fill: container
Rectangle { anchors.fill: parent; color: "black"; opacity: 0.4 }
Progress {
anchors.centerIn: parent; width: 200; height: 22
progress: bigImage.progress; visible: bigImage.status != Image.Ready
}
Flickable {
id: flickable; anchors.fill: parent; clip: true
contentWidth: imageContainer.width; contentHeight: imageContainer.height
function updateMinimumScale() {
if (bigImage.status == Image.Ready && bigImage.width != 0) {
slider.minimum = Math.min(flickable.width / bigImage.width, flickable.height / bigImage.height);
if (bigImage.width * slider.value > flickable.width) {
var xoff = (flickable.width/2 + flickable.contentX) * slider.value / prevScale;
flickable.contentX = xoff - flickable.width/2;
}
if (bigImage.height * slider.value > flickable.height) {
var yoff = (flickable.height/2 + flickable.contentY) * slider.value / prevScale;
flickable.contentY = yoff - flickable.height/2;
}
prevScale = slider.value;
}
}
onWidthChanged: updateMinimumScale()
onHeightChanged: updateMinimumScale()
Item {
id: imageContainer
width: Math.max(bigImage.width * bigImage.scale, flickable.width);
height: Math.max(bigImage.height * bigImage.scale, flickable.height);
Image {
id: bigImage; source: container.photoUrl; scale: slider.value
anchors.centerIn: parent; smooth: !flickable.movingVertically
onStatusChanged : {
// Default scale shows the entire image.
if (bigImage.status == Image.Ready && bigImage.width != 0) {
slider.minimum = Math.min(flickable.width / bigImage.width, flickable.height / bigImage.height);
prevScale = Math.min(slider.minimum, 1);
slider.value = prevScale;
}
if (inBackState && bigImage.status == Image.Ready)
effectBox.imageInAnim();
}
property bool inBackState: false
onInBackStateChanged:{
if(inBackState && bigImage.status == Image.Ready)
effectBox.imageInAnim();
else if (!inBackState && bigImage.status == Image.Ready)
effectBox.imageOutAnim();
}
}
ShaderEffectSource{
id: pictureSource
sourceItem: bigImage
smooth: true
//Workaround: Doesn't work below lines
width: bigImage.width
height: bigImage.width
visible: false
}
Turbulence{//only fill visible rect
id: turbulence
system: imageSystem
anchors.fill: parent
strength: 240
enabled: false
}
Item{
id: effectBox
width: bigImage.width * bigImage.scale
height: bigImage.height * bigImage.scale
anchors.centerIn: parent
function imageInAnim(){
bigImage.visible = false;
noiseIn.visible = true;
endEffectTimer.start();
}
function imageOutAnim(){
bigImage.visible = false;
noiseIn.visible = false;
turbulence.enabled = true;
endEffectTimer.start();
pixelEmitter.burst(2048);
}
Timer{
id: endEffectTimer
interval: flipDuration
repeat: false
running: false
onTriggered:{
turbulence.enabled = false;
noiseIn.visible = false;
bigImage.visible = true;
}
}
ShaderEffect{
id: noiseIn
anchors.fill: parent
property real t: 0
visible: false
onVisibleChanged: tAnim.start()
NumberAnimation{
id: tAnim
target: noiseIn
property: "t"
from: 0.0
to: 1.0
duration: flipDuration
}
property variant source: pictureSource
property variant noise: ShaderEffectSource{
sourceItem:Image{
source: "images/noise.png"
}
hideSource: true
smooth: false
}
fragmentShader:"
uniform sampler2D noise;
uniform sampler2D source;
uniform highp float t;
uniform lowp float qt_Opacity;
varying highp vec2 qt_TexCoord0;
void main(){
//Want to use noise2, but it always returns (0,0)?
if(texture2D(noise, qt_TexCoord0).w <= t)
gl_FragColor = texture2D(source, qt_TexCoord0) * qt_Opacity;
else
gl_FragColor = vec4(0.,0.,0.,0.);
}
"
}
ParticleSystem{
id: imageSystem
}
Emitter{
id: pixelEmitter
system: imageSystem
//anchors.fill: parent
width: Math.min(bigImage.width * bigImage.scale, flickable.width);
height: Math.min(bigImage.height * bigImage.scale, flickable.height);
anchors.centerIn: parent
size: 4
lifeSpan: flipDuration
emitRate: 2048
enabled: false
}
CustomParticle{
id: blowOut
system: imageSystem
property real maxWidth: effectBox.width
property real maxHeight: effectBox.height
vertexShader:"
uniform highp float maxWidth;
uniform highp float maxHeight;
varying highp vec2 fTex2;
void main() {
defaultMain();
fTex2 = vec2(qt_ParticlePos.x / maxWidth, qt_ParticlePos.y / maxHeight);
}
"
property variant pictureTexture: pictureSource
fragmentShader: "
uniform lowp float qt_Opacity;
uniform sampler2D pictureTexture;
varying highp vec2 fTex2;
void main() {
gl_FragColor = texture2D(pictureTexture, fTex2) * qt_Opacity;
}"
}
}
}
}
Text {
text: "Image Unavailable"
visible: bigImage.status == Image.Error
anchors.centerIn: parent; color: "white"; font.bold: true
}
Slider {
id: slider; visible: { bigImage.status == Image.Ready && maximum > minimum }
anchors {
bottom: parent.bottom; bottomMargin: 65
left: parent.left; leftMargin: 25
right: parent.right; rightMargin: 25
}
onValueChanged: {
if (bigImage.width * value > flickable.width) {
var xoff = (flickable.width/2 + flickable.contentX) * value / prevScale;
flickable.contentX = xoff - flickable.width/2;
}
if (bigImage.height * value > flickable.height) {
var yoff = (flickable.height/2 + flickable.contentY) * value / prevScale;
flickable.contentY = yoff - flickable.height/2;
}
prevScale = value;
}
}
}
states: State {
name: "Back"
PropertyChanges { target: itemRotation; angle: 180 }
PropertyChanges { target: toolBar; button2Visible: false }
PropertyChanges { target: toolBar; button1Label: "Back" }
PropertyChanges { target: bigImage; inBackState: true }
}
transitions: Transition {
SequentialAnimation {
PropertyAction { target: bigImage; property: "smooth"; value: false }
NumberAnimation { easing.type: Easing.InOutQuad; properties: "angle"; duration: flipDuration }
PropertyAction { target: bigImage; property: "smooth"; value: !flickable.movingVertically }
}
}
}
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