1 files changed, 87 insertions, 0 deletions
diff --git a/src/extension/prefdialog/widget-image.cpp b/src/extension/prefdialog/widget-image.cpp
new file mode 100644
index 0000000..4f5e11d
--- /dev/null
+++ b/src/extension/prefdialog/widget-image.cpp
@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/** @file
+ * Image widget for extensions
+ *//*
+ * Authors:
+ *   Patrick Storz <eduard.braun2@gmx.de>
+ *
+ * Copyright (C) 2019 Authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "widget-image.h"
+
+#include <glibmm/fileutils.h>
+#include <glibmm/miscutils.h>
+#include <gtkmm/image.h>
+
+#include "xml/node.h"
+#include "extension/extension.h"
+
+namespace Inkscape {
+namespace Extension {
+
+
+WidgetImage::WidgetImage(Inkscape::XML::Node *xml, Inkscape::Extension::Extension *ext)
+    : InxWidget(xml, ext)
+{
+    std::string image_path;
+
+    // get path to image
+    const char *content = nullptr;
+    if (xml->firstChild()) {
+        content = xml->firstChild()->content();
+    }
+    if (content) {
+        image_path = content;
+    } else {
+        g_warning("Missing path for image widget in extension '%s'.", _extension->get_id());
+        return;
+    }
+
+    // make sure path is absolute (relative paths are relative to .inx file's location)
+    if (!Glib::path_is_absolute(image_path)) {
+        image_path = Glib::build_filename(_extension->get_base_directory(), image_path);
+    }
+
+    // check if image exists
+    if (Glib::file_test(image_path, Glib::FILE_TEST_IS_REGULAR)) {
+        _image_path = image_path;
+    } else {
+        g_warning("Image file ('%s') not found for image widget in extension '%s'.",
+                  image_path.c_str(), _extension->get_id());
+    }
+
+    // parse width/height attributes
+    const char *width = xml->attribute("width");
+    const char *height = xml->attribute("height");
+    if (width && height) {
+        _width = strtoul(width, nullptr, 0);
+        _height = strtoul(height, nullptr, 0);
+    }
+}
+
+/** \brief  Create a label for the description */
+Gtk::Widget *WidgetImage::get_widget(sigc::signal<void> * /*changeSignal*/)
+{
+    if (_hidden || _image_path.empty()) {
+        return nullptr;
+    }
+
+    Gtk::Image *image = Gtk::manage(new Gtk::Image(_image_path));
+
+    // resize if requested
+    if (_width && _height) {
+        Glib::RefPtr<Gdk::Pixbuf> pixbuf = image->get_pixbuf();
+        pixbuf = pixbuf->scale_simple(_width, _height, Gdk::INTERP_BILINEAR);
+        image->set(pixbuf);
+    }
+
+    image->show();
+
+    return dynamic_cast<Gtk::Widget *>(image);
+}
+
+}  /* namespace Extension */
+}  /* namespace Inkscape */