1 files changed, 43 insertions, 0 deletions
diff --git a/tools/kde-dolphin-thumbnailer/resvgthumbnailer.cpp b/tools/kde-dolphin-thumbnailer/resvgthumbnailer.cpp
new file mode 100644
index 0000000..8777b30
--- /dev/null
+++ b/tools/kde-dolphin-thumbnailer/resvgthumbnailer.cpp
@@ -0,0 +1,43 @@
+#include "resvgthumbnailer.h"
+
+#include <ResvgQt.h>
+
+#include <QPainter>
+
+extern "C"
+{
+    Q_DECL_EXPORT ThumbCreator *new_creator()
+    {
+        return new ResvgThumbnailer;
+    }
+}
+
+bool ResvgThumbnailer::create(const QString& path, int width, int heigth, QImage& img)
+{
+    ResvgRenderer renderer(path);
+    if (!renderer.isValid() || renderer.isEmpty()) {
+        return false;
+    }
+
+    const double ratio = static_cast<double>(renderer.defaultSize().height()) /
+                         static_cast<double>(renderer.defaultSize().width());
+    if (width < heigth)
+        heigth = qRound(ratio * width);
+    else
+        width = qRound(heigth / ratio);
+
+    QImage previewImage(width, heigth, QImage::Format_ARGB32_Premultiplied);
+    previewImage.fill(Qt::transparent);
+
+    QPainter p(&previewImage);
+    renderer.render(&p);
+    p.end();
+
+    img = previewImage;
+    return true;
+}
+
+ThumbCreator::Flags ResvgThumbnailer::flags() const
+{
+    return (Flags)(None);
+}