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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 */
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