修改开始菜单图标模糊问题

qml/AppControls2/IconLabel.qml

@@ -60,6 +60,8 @@ Item {
         id: iconImage
         height: root.iconHeight
         width: root.iconWidth
+        sourceSize.height: root.iconHeight
+        sourceSize.width: root.iconWidth
         source: root.appIcon
         cache: false
     }

src/appdata/app-icon-provider.cpp

@@ -29,7 +29,6 @@ QSize AppIconProvider::s_defaultSize = QSize(128, 128);
 
 AppIconProvider::AppIconProvider() : QQuickImageProvider(QQmlImageProviderBase::Pixmap)
 {
-
 }
 
 QPixmap AppIconProvider::requestPixmap(const QString &id, QSize *size, const QSize &requestedSize)
@@ -39,10 +38,10 @@ QPixmap AppIconProvider::requestPixmap(const QString &id, QSize *size, const QSi
 
 QPixmap AppIconProvider::getPixmap(const QString &id, QSize *size, const QSize &requestedSize)
 {
-    // 不处理sourceSize请求
+    QIcon icon;
-    Q_UNUSED(requestedSize);
+    loadIcon(id, icon);
-    QPixmap pixmap;
+
-    loadPixmap(id, pixmap);
+    QPixmap pixmap = icon.pixmap(requestedSize.isEmpty() ? s_defaultSize : requestedSize);
 
     if (size) {
         QSize pixmapSize = pixmap.size();
@@ -53,40 +52,40 @@ QPixmap AppIconProvider::getPixmap(const QString &id, QSize *size, const QSize &
     return pixmap;
 }
 
-void AppIconProvider::loadPixmap(const QString &id, QPixmap &pixmap)
+void AppIconProvider::loadIcon(const QString &id, QIcon &icon)
 {
     if (id.isEmpty()) {
-        loadDefault(pixmap);
+        loadDefault(icon);
         return;
     }
 
     bool isOk;
     QUrl url(id);
     if (!url.scheme().isEmpty()) {
-        isOk = loadPixmapFromUrl(url, pixmap);
+        isOk = loadIconFromUrl(url, icon);
 
     } else if (id.startsWith(QLatin1String("/")) || id.startsWith(QLatin1String(":/"))) {
         //qrc path: :/xxx/xxx.png
-        isOk = loadPixmapFromPath(id, pixmap);
+        isOk = loadIconFromPath(id, icon);
 
     } else {
-        isOk = loadPixmapFromTheme(id, pixmap);
+        isOk = loadIconFromTheme(id, icon);
         if (!isOk) {
-            isOk = loadPixmapFromXdg(id, pixmap);
+            isOk = loadIconFromXdg(id, icon);
         }
     }
 
     if (!isOk) {
-        loadDefault(pixmap);
+        loadDefault(icon);
     }
 }
 
 // see: https://doc.qt.io/archives/qt-5.12/qurl.html#details
-bool AppIconProvider::loadPixmapFromUrl(const QUrl &url, QPixmap &pixmap)
+bool AppIconProvider::loadIconFromUrl(const QUrl &url, QIcon &icon)
 {
     QString path = url.path();
     if (path.isEmpty()) {
-        qWarning() << "Error: loadPixmapFromUrl, path is empty.";
+        qWarning() << "Error: loadIconFromUrl, path is empty.";
         return false;
     }
 
@@ -94,57 +93,52 @@ bool AppIconProvider::loadPixmapFromUrl(const QUrl &url, QPixmap &pixmap)
     // see: https://doc.qt.io/archives/qt-5.12/resources.html
     if (url.scheme() == QLatin1String("qrc")) {
         path.prepend(QLatin1String(":"));
-        return loadPixmapFromPath(path, pixmap);
+        return loadIconFromPath(path, icon);
     }
 
     // net?
     return false;
 }
 
-bool AppIconProvider::loadPixmapFromPath(const QString &path, QPixmap &pixmap)
+bool AppIconProvider::loadIconFromPath(const QString &path, QIcon &icon)
 {
     if (!QFile::exists(path)) {
-        qWarning() << "Error: loadPixmapFromPath, File dose not exists." << path;
+        qWarning() << "Error: loadIconFromPath, File dose not exists." << path;
         return false;
     }
-
     QPixmap filePixmap;
     bool isOk = filePixmap.load(path);
     if (!isOk) {
         return false;
     }
-
+    icon.addPixmap(filePixmap);
-    pixmap.swap(filePixmap);
 
     return true;
 }
 
-bool AppIconProvider::loadPixmapFromTheme(const QString &name, QPixmap &pixmap)
+bool AppIconProvider::loadIconFromTheme(const QString &name, QIcon &icon)
 {
     if (!QIcon::hasThemeIcon(name)) {
         return false;
     }
-    QIcon icon = QIcon::fromTheme(name);
+    icon = QIcon::fromTheme(name);
-    pixmap = icon.pixmap(AppIconProvider::s_defaultSize);
     return true;
 }
 
-void AppIconProvider::loadDefault(QPixmap &pixmap)
+void AppIconProvider::loadDefault(QIcon &icon)
 {
-    if (!loadPixmapFromTheme("application-x-desktop", pixmap)) {
+    if (!loadIconFromTheme("application-x-desktop", icon)) {
-        loadPixmapFromPath(":/res/icon/application-x-desktop.png", pixmap);
+        loadIconFromPath(":/res/icon/application-x-desktop.png", icon);
     }
 }
 
-bool AppIconProvider::loadPixmapFromXdg(const QString &name, QPixmap &pixmap)
+bool AppIconProvider::loadIconFromXdg(const QString &name, QIcon &icon)
 {
-    QIcon icon = XdgIcon::fromTheme(name);
+    icon = XdgIcon::fromTheme(name);
     if (icon.isNull()) {
-        qWarning() << "Error: loadPixmapFromXdg, icon dose not exists. name:" << name;
+        qWarning() << "Error: loadIconFromXdg, icon dose not exists. name:" << name;
         return false;
     }
-
-    pixmap = icon.pixmap(AppIconProvider::s_defaultSize);
     return true;
 }
 

src/appdata/app-icon-provider.h

@@ -21,6 +21,7 @@
 
 #include <QSize>
 #include <QQuickImageProvider>
+#include <QIcon>
 
 namespace UkuiMenu {
 
@@ -33,12 +34,12 @@ public:
     static QPixmap getPixmap(const QString &id, QSize *size, const QSize &requestedSize);
 
 private:
-    static void loadPixmap(const QString &id, QPixmap &pixmap);
+    static void loadIcon(const QString &id, QIcon &icon);
-    static void loadDefault(QPixmap &pixmap);
+    static void loadDefault(QIcon &icon);
-    static bool loadPixmapFromUrl(const QUrl &url, QPixmap &pixmap);
+    static bool loadIconFromUrl(const QUrl &url, QIcon &icon);
-    static bool loadPixmapFromPath(const QString &path, QPixmap &pixmap);
+    static bool loadIconFromPath(const QString &path, QIcon &icon);
-    static bool loadPixmapFromTheme(const QString &name, QPixmap &pixmap);
+    static bool loadIconFromTheme(const QString &name, QIcon &icon);
-    static bool loadPixmapFromXdg(const QString &name, QPixmap &pixmap);
+    static bool loadIconFromXdg(const QString &name, QIcon &icon);
 
 private:
     static QSize s_defaultSize;

src/items/theme-icon.cpp

@@ -44,6 +44,8 @@ ThemeIcon::ThemeIcon(QQuickItem *parent) : QQuickPaintedItem(parent)
             checkThemeName();
         }
     });
+    connect(this, &ThemeIcon::widthChanged, this, &ThemeIcon::onSizeChanged);
+    connect(this, &ThemeIcon::heightChanged, this, &ThemeIcon::onSizeChanged);
 }
 
 void ThemeIcon::checkThemeName()
@@ -55,6 +57,16 @@ void ThemeIcon::checkThemeName()
     update();
 }
 
+void ThemeIcon::loadPixmapBySource(const QString &source)
+{
+    QSize size;
+    m_pixmap = UkuiMenu::AppIconProvider::getPixmap(source, &size, QSize(width(), height()));
+    if (m_pixmap.isNull()) {
+        return;
+    }
+    m_isPureColor = isPixmapPureColor(m_pixmap);
+}
+
 void ThemeIcon::paint(QPainter *painter)
 {
     //默认居中绘制
@@ -107,13 +119,7 @@ void ThemeIcon::setSource(const QString &source)
     if (m_source.startsWith(prefix)) {
         m_source = m_source.mid(prefix.size());
     }
-
+    loadPixmapBySource(m_source);
-    QSize size;
-    m_pixmap = UkuiMenu::AppIconProvider::getPixmap(m_source, &size, size);
-    if (m_pixmap.isNull()) {
-        return;
-    }
-    m_isPureColor = isPixmapPureColor(m_pixmap);
     checkThemeName();
     update();
 }
@@ -223,6 +229,14 @@ bool ThemeIcon::isPixmapPureColor(const QPixmap &pixmap)
     return arithmeticSquareRoot_red < 2.0 && arithmeticSquareRoot_green < 2.0 && arithmeticSquareRoot_blue < 2.0;
 }
 
+void ThemeIcon::onSizeChanged()
+{
+    if ((width() != 0) && (height() != 0) && (!m_source.isEmpty())) {
+        loadPixmapBySource(m_source);
+    }
+    update();
+}
+
 int ThemeIcon::radius()
 {
     return m_radius;

src/items/theme-icon.h

@@ -64,8 +64,11 @@ public:
 
 private:
     void checkThemeName();
+    void loadPixmapBySource(const QString &source);
     static bool isPixmapPureColor(const QPixmap &pixmap);
 
+private Q_SLOTS:
+    void onSizeChanged();
 private:
     bool m_disabled = false;
     bool m_highLight = false;