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Diffstat (limited to 'examples/declarative/flickr/content/ImageDetails.qml')
| -rw-r--r-- | examples/declarative/flickr/content/ImageDetails.qml | 355 |
1 files changed, 355 insertions, 0 deletions
diff --git a/examples/declarative/flickr/content/ImageDetails.qml b/examples/declarative/flickr/content/ImageDetails.qml new file mode 100644 index 0000000000..74346466e3 --- /dev/null +++ b/examples/declarative/flickr/content/ImageDetails.qml @@ -0,0 +1,355 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +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 + frequency: 100 + strength: 250 + active: 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.active = true; + endEffectTimer.start(); + pixelEmitter.burst(2048); + } + Timer{ + id: endEffectTimer + interval: flipDuration + repeat: false + running: false + onTriggered:{ + turbulence.active = false; + noiseIn.visible = false; + bigImage.visible = true; + } + } + ShaderEffectItem{ + 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 + emitting: false + } + CustomParticle{ + id: blowOut + system: imageSystem + property real maxWidth: effectBox.width + property real maxHeight: effectBox.height + vertexShader:" + attribute highp vec2 vPos; + attribute highp vec2 vTex; + attribute highp vec4 vData; // x = time, y = lifeSpan, z = size, w = endSize + attribute highp vec4 vVec; // x,y = constant speed, z,w = acceleration + attribute highp float r; + + uniform highp float maxWidth; + uniform highp float maxHeight; + + uniform highp mat4 qt_ModelViewProjectionMatrix; + uniform highp float timestamp; + uniform lowp float qt_Opacity; + + varying highp vec2 fTex2; + varying lowp float fFade; + + void main() { + fTex2 = vec2(vPos.x / maxWidth, vPos.y / maxHeight); + highp float size = vData.z; + highp float endSize = vData.w; + + highp float t = (timestamp - vData.x) / vData.y; + + highp float currentSize = mix(size, endSize, t * t); + + if (t < 0. || t > 1.) + currentSize = 0.; + + highp vec2 pos = vPos + - currentSize / 2. + currentSize * vTex // adjust size + + vVec.xy * t * vData.y // apply speed vector.. + + 0.5 * vVec.zw * pow(t * vData.y, 2.); + + gl_Position = qt_ModelViewProjectionMatrix * vec4(pos.x, pos.y, 0, 1); + + highp float fadeIn = min(t * 10., 1.); + highp float fadeOut = 1. - max(0., min((t - 0.75) * 4., 1.)); + + fFade = 1.0;//fadeIn * fadeOut * qt_Opacity; + } + " + property variant pictureTexture: pictureSource + fragmentShader: " + uniform sampler2D pictureTexture; + varying highp vec2 fTex2; + varying highp float fFade; + void main() { + gl_FragColor = texture2D(pictureTexture, fTex2) * fFade; + }" + } + + + + } + } + } + + 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 } + } + } +} |