feat(ci): build and use kimageformats plugins

appveyor.yml

@@ -1,24 +1,49 @@
 environment:
+  CMAKE_INSTALL_ROOT: C:\projects\cmake
   matrix:
     - build_name: mingw73_32_qt5_12_6
       QTPATH: C:\Qt\5.12.6\mingw73_32
       MINGW32: C:\Qt\Tools\mingw730_32
 
 install:
+  - mkdir %CMAKE_INSTALL_ROOT%
   - cd %APPVEYOR_BUILD_FOLDER%
   - git submodule update --init --recursive
-  - set PATH=%PATH%;%QTPATH%\bin;%MINGW32%\bin
+  - set PATH=%PATH%;%CMAKE_INSTALL_ROOT%;%QTPATH%\bin;%MINGW32%\bin
 
 build_script:
+# prepare
+  - mkdir 3rdparty
+  - cinst ninja
+# install ECM so we can build KImageFormats
+  - cd 3rdparty
+  - git clone -q git://anongit.kde.org/extra-cmake-modules.git
+  - cd extra-cmake-modules
+  - cmake -G "Ninja" . -DCMAKE_INSTALL_PREFIX=%CMAKE_INSTALL_ROOT%
+  - cmake --build .
+  - cmake --build . --target install
+  - cd %APPVEYOR_BUILD_FOLDER%
+# install KImageFormats
+  - cd 3rdparty
+  - git clone git://anongit.kde.org/kimageformats.git
+  - cd kimageformats
   - mkdir build
   - cd build
-  - cmake -G "Unix Makefiles" -DCMAKE_MAKE_PROGRAM=mingw32-make -DCMAKE_INSTALL_PREFIX='%cd%' ..\
+  - cmake .. -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_FLAGS_RELEASE="-s" -DCMAKE_MAKE_PROGRAM=mingw32-make -DQT_PLUGIN_INSTALL_DIR=%QTPATH%\plugins
+  - cmake --build . --config Release
+  - cmake --build . --config Release --target install
+  - cd %APPVEYOR_BUILD_FOLDER%
+# finally...
+  - mkdir build
+  - cd build
+  - cmake .. -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DCMAKE_MAKE_PROGRAM=mingw32-make -DCMAKE_INSTALL_PREFIX='%cd%'
   - mingw32-make
   - mingw32-make install
 # fixme: I don't know how to NOT make the binary installed to the ./bin/ folder...
   - cd bin
-  - windeployqt --no-quick-import --no-translations --no-opengl-sw --no-angle --no-system-d3d-compiler --release .\ppic.exe
-  - tree
+  - windeployqt --verbose=2 --no-quick-import --no-translations --no-opengl-sw --no-angle --no-system-d3d-compiler --release .\ppic.exe
+# for debug..
+  - tree /f
 
 artifacts:
   - path: build\bin

graphicsview.cpp

@@ -39,8 +39,10 @@ void GraphicsView::showFileFromUrl(const QUrl &url, bool doRequestGallery)
         QImageReader imageReader(filePath);
         imageReader.setAutoTransform(true);
         imageReader.setDecideFormatFromContent(true);
-        QImage::Format imageFormat = imageReader.imageFormat();
-        if (imageFormat == QImage::Format_Invalid) {
+        // Since if the image format / plugin does not support this feature, imageFormat() will returns an invalid format.
+        // So we cannot use imageFormat() and check if it returns QImage::Format_Invalid to detect if we support the file.
+        // QImage::Format imageFormat = imageReader.imageFormat();
+        if (imageReader.format().isEmpty()) {
             showText(tr("File is not a valid image"));
         } else {
             showImage(QPixmap::fromImageReader(&imageReader));

mainwindow.cpp

@@ -113,6 +113,10 @@ MainWindow::MainWindow(QWidget *parent) :
     connect(quitAppShorucut, &QShortcut::activated,
             std::bind(&MainWindow::quitAppAction, this, false));
 
+    QShortcut * quitAppShorucut2 = new QShortcut(QKeySequence(Qt::Key_Escape), this);
+    connect(quitAppShorucut2, &QShortcut::activated,
+            std::bind(&MainWindow::quitAppAction, this, false));
+
     QShortcut * prevPictureShorucut = new QShortcut(QKeySequence(Qt::Key_PageUp), this);
     connect(prevPictureShorucut, &QShortcut::activated,
             this, &MainWindow::galleryPrev);
@@ -185,12 +189,18 @@ QUrl MainWindow::currentImageFileUrl() const
     return QUrl();
 }
 
+void MainWindow::clearGallery()
+{
+    m_currentFileIndex = -1;
+    m_files.clear();
+}
+
 void MainWindow::loadGalleryBySingleLocalFile(const QString &path)
 {
     QFileInfo info(path);
     QDir dir(info.path());
     QString currentFileName = info.fileName();
-    QStringList entryList = dir.entryList({"*.jpg", "*.jpeg", "*.png", "*.gif", "*.svg", "*.bmp"},
+    QStringList entryList = dir.entryList({"*.jpg", "*.jpeg", "*.jfif", "*.png", "*.gif", "*.svg", "*.bmp"},
                                           QDir::Files | QDir::NoSymLinks, QDir::NoSort);
 
     QCollator collator;
@@ -198,8 +208,7 @@ void MainWindow::loadGalleryBySingleLocalFile(const QString &path)
 
     std::sort(entryList.begin(), entryList.end(), collator);
 
-    m_currentFileIndex = -1;
-    m_files.clear();
+    clearGallery();
 
     for (int i = 0; i < entryList.count(); i++) {
         const QString & oneEntry = entryList.at(i);
@@ -357,6 +366,7 @@ void MainWindow::contextMenuEvent(QContextMenuEvent *event)
 
     QAction * pasteImage = new QAction(tr("&Paste Image"));
     connect(pasteImage, &QAction::triggered, this, [ = ](){
+        clearGallery();
         m_graphicsView->showImage(clipboardImage);
     });
 

mainwindow.h

@@ -27,6 +27,7 @@ public:
     void adjustWindowSizeBySceneRect();
     QUrl currentImageFileUrl() const;
 
+    void clearGallery();
     void loadGalleryBySingleLocalFile(const QString &path);
     void galleryPrev();
     void galleryNext();