Qt Quick 演示 - 照片查看器
/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. 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IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/import QtQuick 2.0 import "script/script.mjs" as Script Package { Item { id: stackItem; Package.name: 'stack'; width: 160; height: 153; z: stackItem.PathView.z } Item { id: listItem; Package.name: 'list'; width: mainWindow.width + 40; height: 153 } Item { id: gridItem; Package.name: 'grid'; width: 160; height: 153 } Item { width: 160; height: 153 Item { id: photoWrapper property double randomAngle: Math.random() * (2 * 6 + 1) - 6 property double randomAngle2: Math.random() * (2 * 6 + 1) - 6 x: 0; y: 0; width: 140; height: 133 z: stackItem.PathView.z; rotation: photoWrapper.randomAngle BorderImage { anchors { fill: originalImage.status == Image.Ready ? border : placeHolder leftMargin: -6; topMargin: -6; rightMargin: -8; bottomMargin: -8 } source: 'images/box-shadow.png' border.left: 10; border.top: 10; border.right: 10; border.bottom: 10 } Rectangle { id: placeHolder property int w: Script.getWidth(content) property int h: Script.getHeight(content) property double s: Script.calculateScale(w, h, photoWrapper.width) color: 'white'; anchors.centerIn: parent; antialiasing: true width: w * s; height: h * s; visible: originalImage.status != Image.Ready Rectangle { color: "#878787"; antialiasing: true anchors { fill: parent; topMargin: 3; bottomMargin: 3; leftMargin: 3; rightMargin: 3 } } } Rectangle { id: border; color: 'white'; anchors.centerIn: parent; antialiasing: true width: originalImage.paintedWidth + 6; height: originalImage.paintedHeight + 6 visible: !placeHolder.visible } BusyIndicator { anchors.centerIn: parent; on: originalImage.status != Image.Ready } Image { id: originalImage; antialiasing: true; source: "http://" + Script.getImagePath(content); cache: false fillMode: Image.PreserveAspectFit; width: photoWrapper.width; height: photoWrapper.height } Image { id: hqImage; antialiasing: true; source: ""; visible: false; cache: false fillMode: Image.PreserveAspectFit; width: photoWrapper.width; height: photoWrapper.height } Binding { target: mainWindow; property: "downloadProgress"; value: hqImage.progress when: listItem.ListView.isCurrentItem } Binding { target: mainWindow; property: "imageLoading" value: (hqImage.status == Image.Loading) ? 1 : 0; when: listItem.ListView.isCurrentItem } MouseArea { width: originalImage.paintedWidth; height: originalImage.paintedHeight; anchors.centerIn: originalImage onClicked: { if (albumWrapper.state == 'inGrid') { gridItem.GridView.view.currentIndex = index; albumWrapper.state = 'fullscreen' } else { gridItem.GridView.view.currentIndex = index; albumWrapper.state = 'inGrid' } } } states: [ State { name: 'stacked'; when: albumWrapper.state == '' ParentChange { target: photoWrapper; parent: stackItem; x: 10; y: 10 } PropertyChanges { target: photoWrapper; opacity: stackItem.PathView.onPath ? 1.0 : 0.0 } }, State { name: 'inGrid'; when: albumWrapper.state == 'inGrid' ParentChange { target: photoWrapper; parent: gridItem; x: 10; y: 10; rotation: photoWrapper.randomAngle2 } }, State { name: 'fullscreen'; when: albumWrapper.state == 'fullscreen' ParentChange { target: photoWrapper; parent: listItem; x: 0; y: 0; rotation: 0 width: mainWindow.width; height: mainWindow.height } PropertyChanges { target: border; opacity: 0 } PropertyChanges { target: hqImage; source: listItem.ListView.isCurrentItem ? hq : ""; visible: true } } ] transitions: [ Transition { from: 'stacked'; to: 'inGrid' SequentialAnimation { PauseAnimation { duration: 10 * index } ParentAnimation { target: photoWrapper; via: foreground NumberAnimation { target: photoWrapper; properties: 'x,y,rotation,opacity'; duration: 600; easing.type: 'OutQuart' } } } }, Transition { from: 'inGrid'; to: 'stacked' ParentAnimation { target: photoWrapper; via: foreground NumberAnimation { properties: 'x,y,rotation,opacity'; duration: 600; easing.type: 'OutQuart' } } }, Transition { from: 'inGrid'; to: 'fullscreen' SequentialAnimation { PauseAnimation { duration: gridItem.GridView.isCurrentItem ? 0 : 600 } ParentAnimation { target: photoWrapper; via: foreground NumberAnimation { targets: [ photoWrapper, border ] properties: 'x,y,width,height,opacity,rotation' duration: gridItem.GridView.isCurrentItem ? 600 : 1; easing.type: 'OutQuart' } } } }, Transition { from: 'fullscreen'; to: 'inGrid' ParentAnimation { target: photoWrapper; via: foreground NumberAnimation { targets: [ photoWrapper, border ] properties: 'x,y,width,height,rotation,opacity' duration: gridItem.GridView.isCurrentItem ? 600 : 1; easing.type: 'OutQuart' } } } ] } } }