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-rw-r--r--src/extension/prefdialog/widget-image.cpp87
1 files changed, 87 insertions, 0 deletions
diff --git a/src/extension/prefdialog/widget-image.cpp b/src/extension/prefdialog/widget-image.cpp
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+++ b/src/extension/prefdialog/widget-image.cpp
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+// 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 */