├── .gitignore ├── 3932-error-cross.json ├── 4319-first-lottie.json ├── JsonFileComboManager.qml ├── LICENSE ├── LottieController.qml ├── LottieShowcase.pro ├── README.md ├── jsonfinder.cpp ├── jsonfinder.h ├── lottie.qrc ├── main.cpp ├── main.qml └── qml.qrc /.gitignore: -------------------------------------------------------------------------------- 1 | *.user* 2 | -------------------------------------------------------------------------------- /3932-error-cross.json: -------------------------------------------------------------------------------- 1 | {"v":"5.4.3","fr":30,"ip":0,"op":40,"w":80,"h":80,"nm":"Success Checkmark","ddd":0,"assets":[],"layers":[{"ddd":0,"ind":1,"ty":4,"nm":"Cross Mark","sr":1,"ks":{"o":{"a":0,"k":100,"ix":11},"r":{"a":0,"k":0,"ix":10},"p":{"a":0,"k":[43.639,40.034,0],"ix":2},"a":{"a":0,"k":[-1.313,6,0],"ix":1},"s":{"a":0,"k":[123.912,117.836,100],"ix":6}},"ao":0,"shapes":[{"ty":"gr","it":[{"ind":0,"ty":"sh","ix":1,"ks":{"a":0,"k":{"i":[[0,0],[0,0]],"o":[[0,0],[0,0]],"v":[[12.689,-16.844],[-22.047,19.305]],"c":false},"ix":2},"nm":"Path 2","mn":"ADBE Vector Shape - 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If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /LottieController.qml: -------------------------------------------------------------------------------- 1 | import QtQuick 2.0 2 | import QtQuick.Controls 2.5 3 | import Qt.labs.lottieqt 1.0 4 | 5 | Item { 6 | 7 | Rectangle { 8 | anchors.fill: parent 9 | color: "#c0c0c0" 10 | } 11 | 12 | signal changeBackgroundColor(string color) 13 | property LottieAnimation lottie 14 | 15 | Slider { 16 | id: slider 17 | anchors.top: parent.top 18 | width: parent.width 19 | from: lottie.startFrame 20 | to: lottie.endFrame 21 | onValueChanged: lottie.gotoAndStop(Math.round(value)) 22 | // Current version of QtLottie doesn't expose the frame number. 23 | // set the slider straight back to 0. TODO connect it up better 24 | // to move with the animation. 25 | Connections { 26 | target: lottie 27 | onSourceChanged: { 28 | slider.value = 0 29 | } 30 | } 31 | } 32 | 33 | Row { 34 | width: parent.width 35 | height: 40 36 | anchors.top: slider.bottom 37 | spacing: 10 38 | 39 | Button { 40 | width: 50 41 | text: "\u25B6" 42 | onClicked: { 43 | lottie.gotoAndPlay(0) 44 | } 45 | } 46 | Button { 47 | width: 50 48 | text: "\u25A0" 49 | onClicked: lottie.stop() 50 | } 51 | 52 | Text { 53 | text: "Frame Rate:" 54 | anchors.verticalCenter: parent.verticalCenter 55 | } 56 | TextField { 57 | width: 50 58 | validator: IntValidator { bottom: 1; top: 120 } 59 | text: lottie.frameRate 60 | onTextEdited: lottie.frameRate = text 61 | } 62 | Text { 63 | text: "Background:" 64 | anchors.verticalCenter: parent.verticalCenter 65 | } 66 | ComboBox { 67 | model: ["black", "white"] 68 | onCurrentTextChanged: changeBackgroundColor(currentText) 69 | } 70 | Text { 71 | visible: 0 !== slider.value 72 | text: qsTr("Frame: ") + Math.round(slider.value) + "/" + lottie.endFrame 73 | } 74 | } 75 | } 76 | -------------------------------------------------------------------------------- /LottieShowcase.pro: -------------------------------------------------------------------------------- 1 | QT += quick 2 | CONFIG += c++11 3 | 4 | # The following define makes your compiler emit warnings if you use 5 | # any Qt feature that has been marked deprecated (the exact warnings 6 | # depend on your compiler). Refer to the documentation for the 7 | # deprecated API to know how to port your code away from it. 8 | DEFINES += QT_DEPRECATED_WARNINGS 9 | 10 | # You can also make your code fail to compile if it uses deprecated APIs. 11 | # In order to do so, uncomment the following line. 12 | # You can also select to disable deprecated APIs only up to a certain version of Qt. 13 | #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0 14 | 15 | SOURCES += \ 16 | main.cpp \ 17 | jsonfinder.cpp 18 | 19 | RESOURCES += qml.qrc 20 | 21 | # Additional import path used to resolve QML modules in Qt Creator's code model 22 | QML_IMPORT_PATH = 23 | 24 | # Additional import path used to resolve QML modules just for Qt Quick Designer 25 | QML_DESIGNER_IMPORT_PATH = 26 | 27 | # Default rules for deployment. 28 | qnx: target.path = /tmp/$${TARGET}/bin 29 | else: unix:!android: target.path = /opt/$${TARGET}/bin 30 | !isEmpty(target.path): INSTALLS += target 31 | 32 | HEADERS += \ 33 | jsonfinder.h 34 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # LottieShowcase 2 | Simple QtLottie viewer application 3 | 4 | This should work nicely with Qt 5.13 & the QtLottie module. 5 | 6 | To use: build the QtLottie modules, and then build this using the 7 | relevant Qt installation. 8 | 9 | The app takes a directory and watches it for .json files. If any 10 | are in there, or if any are added, then they are added to the combo 11 | box in top right, and can be selected and played in the space in the 12 | center of the app. 13 | 14 | Bottom of the app shows rudimentary start/stop/seek controls. 15 | 16 | Would be nice to put a little 'Delete' button in the top left area, 17 | just waiting to find a nice lottie animation for delete. 18 | -------------------------------------------------------------------------------- /jsonfinder.cpp: -------------------------------------------------------------------------------- 1 | #include "jsonfinder.h" 2 | 3 | #include 4 | #include 5 | 6 | JSONFinder::JSONFinder(QObject *parent) : QObject(parent) 7 | , m_settings("qt.io", "LottieShowcase") 8 | , m_watcher(this) 9 | { 10 | m_dir = QDir(m_settings.value("dir", QDir::homePath()).toString()); 11 | m_watcher.addPath(m_dir.absolutePath()); 12 | connect(&m_watcher, &QFileSystemWatcher::directoryChanged, this, &JSONFinder::scan); 13 | scan(); 14 | } 15 | 16 | void JSONFinder::deleteFile(QString filename) 17 | { 18 | QFile f(m_dir.absolutePath() + QDir::separator() + filename); 19 | if (f.exists()) 20 | { 21 | f.remove(); 22 | } 23 | } 24 | 25 | void JSONFinder::scan() 26 | { 27 | m_model = m_dir.entryList(QStringList() << "*.json", QDir::NoFilter, QDir::Time); 28 | emit modelChanged(); 29 | } 30 | 31 | void JSONFinder::setDirectory(QString dir) 32 | { 33 | QDir newDir(dir); 34 | if (newDir != m_dir) 35 | { 36 | m_settings.setValue("dir", dir); 37 | m_dir = dir; 38 | scan(); 39 | // probably not needed, but hey 40 | emit directoryChanged(); 41 | } 42 | } 43 | -------------------------------------------------------------------------------- /jsonfinder.h: -------------------------------------------------------------------------------- 1 | #ifndef JSONFINDER_H 2 | #define JSONFINDER_H 3 | 4 | #include 5 | #include 6 | #include 7 | #include 8 | 9 | class JSONFinder : public QObject 10 | { 11 | Q_OBJECT 12 | Q_PROPERTY(QStringList model READ model NOTIFY modelChanged) 13 | Q_PROPERTY(QString directory READ directory WRITE setDirectory NOTIFY directoryChanged) 14 | public: 15 | explicit JSONFinder(QObject *parent = nullptr); 16 | QString directory() { return m_dir.path(); } 17 | QStringList model() { return m_model; } 18 | 19 | signals: 20 | void directoryChanged(); 21 | void modelChanged(); 22 | 23 | public slots: 24 | void deleteFile(QString filename); 25 | void scan(); 26 | void setDirectory(QString dir); 27 | 28 | private: 29 | QDir m_dir; 30 | QSettings m_settings; 31 | QFileSystemWatcher m_watcher; 32 | QStringList m_model; 33 | }; 34 | 35 | #endif // JSONFINDER_H 36 | -------------------------------------------------------------------------------- /lottie.qrc: -------------------------------------------------------------------------------- 1 | 2 | 3 | 24-toggle-switch.json 4 | 50-material-loader.json 5 | 4129-cosmo.json 6 | 26-lets-have-some-hamburger.json 7 | 29-motorcycle.json 8 | 33-video-cam.json 9 | 48-progress-bar.json 10 | 11 | 12 | -------------------------------------------------------------------------------- /main.cpp: -------------------------------------------------------------------------------- 1 | #include "jsonfinder.h" 2 | #include 3 | #include 4 | #include 5 | 6 | int main(int argc, char *argv[]) 7 | { 8 | QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling); 9 | 10 | QGuiApplication app(argc, argv); 11 | 12 | QQmlApplicationEngine engine; 13 | 14 | 15 | engine.rootContext()->setContextProperty("finder", new JSONFinder()); 16 | 17 | engine.load(QUrl(QStringLiteral("qrc:/main.qml"))); 18 | if (engine.rootObjects().isEmpty()) 19 | return -1; 20 | 21 | return app.exec(); 22 | } 23 | -------------------------------------------------------------------------------- /main.qml: -------------------------------------------------------------------------------- 1 | import QtQuick 2.9 2 | import Qt.labs.lottieqt 1.0 3 | import QtQuick.Window 2.2 4 | 5 | Window { 6 | visible: true 7 | width: 640 8 | height: 680 9 | title: qsTr("Qt Lottie Sampler") 10 | 11 | Rectangle { 12 | id: bgColor 13 | color: "#0becca" 14 | anchors.top: jfcom.bottom 15 | anchors.bottom: controller.top 16 | width: parent.width 17 | LottieAnimation { 18 | id: lottie 19 | anchors.centerIn: parent 20 | scale: Math.min(parent.height/height, parent.width/width) 21 | quality: LottieAnimation.HighQuality 22 | } 23 | } 24 | 25 | // This needs to appear above the animation, in case the animation fails. 26 | JsonFileComboManager { 27 | id: jfcom 28 | anchors.left: parent.left 29 | anchors.right: parent.right 30 | 31 | onFileSelected: { 32 | lottie.source = finder.directory + "/" + filename 33 | } 34 | } 35 | 36 | LottieController { 37 | id: controller 38 | anchors.bottom: parent.bottom 39 | width: parent.width 40 | height: 85 41 | lottie: lottie 42 | onChangeBackgroundColor: { 43 | bgColor.color = color 44 | } 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /qml.qrc: -------------------------------------------------------------------------------- 1 | 2 | 3 | main.qml 4 | JsonFileComboManager.qml 5 | LottieController.qml 6 | 4319-first-lottie.json 7 | 3932-error-cross.json 8 | 9 | 10 | --------------------------------------------------------------------------------