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/*
* This file is part of RawTherapee.
*
* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
* Copyright (c) 2018 Jean-Christophe FRISCH <natureh.510@gmail.com>
* Copyright (c) 2022 Pierre CABRERA <pierre.cab@gmail.com>
*
* RawTherapee is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* RawTherapee is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with RawTherapee. If not, see <https://www.gnu.org/licenses/>.
*/
#include "rtimage.h"
#include "rtsurface.h"
std::map<std::pair<Glib::ustring, Gtk::IconSize>, std::shared_ptr<RTSurface>> RTImageCache::cache;
std::shared_ptr<RTSurface> RTImageCache::getCachedSurface(const Glib::ustring &icon_name, const Gtk::IconSize icon_size)
{
// Look for an existing cached icon
const auto key = std::pair<Glib::ustring, Gtk::IconSize>(icon_name, icon_size);
const auto item = cache.find(key);
if (item != cache.end()) { // A cached icon exists
return item->second;
} else { // Create the icon
auto surface = std::shared_ptr<RTSurface>(new RTSurface(icon_name, icon_size));
// Add the surface to the cache if the icon exist
if (surface) {
cache.insert({key, surface});
}
return surface;
}
}
void RTImageCache::updateCache()
{
// Iterate over cache to updated RTSurface
for (auto const& item : cache) {
item.second->updateSurface();
}
}
RTImage::RTImage () {}
RTImage::RTImage (const Glib::ustring& iconName, const Gtk::IconSize iconSize) :
sigc::trackable(),
Glib::ObjectBase(),
Gtk::Image(),
size(iconSize),
icon_name(iconName),
g_icon(Glib::RefPtr<const Gio::Icon>())
{
// Set surface from icon cache
surface = RTImageCache::getCachedSurface(this->icon_name, this->size);
// Add it to the RTImage if surface exists
if (surface) {
set(surface->get());
}
}
RTImage::RTImage (const Glib::RefPtr<const Gio::Icon>& gIcon, const Gtk::IconSize iconSize) :
Gtk::Image(),
size(iconSize),
icon_name(""),
g_icon(gIcon)
{
// Configure RTImage based on g_icon
set(this->g_icon, this->size);
}
void RTImage::set_from_icon_name(const Glib::ustring& iconName)
{
set_from_icon_name(iconName, this->size);
}
void RTImage::set_from_icon_name(const Glib::ustring& iconName, const Gtk::IconSize iconSize)
{
this->icon_name = iconName;
this->size = iconSize;
// Set surface from icon cache
surface = RTImageCache::getCachedSurface(this->icon_name, this->size);
// Add it to the RTImage if previously chosen
if (surface) {
set(surface->get());
}
// Unset Gio::Icon if previously chosen
if (this->g_icon) {
g_icon = Glib::RefPtr<const Gio::Icon>();
}
}
void RTImage::set_from_gicon(const Glib::RefPtr<const Gio::Icon>& gIcon)
{
set_from_gicon(gIcon, this->size);
}
void RTImage::set_from_gicon(const Glib::RefPtr<const Gio::Icon>& gIcon, const Gtk::IconSize iconSize)
{
this->g_icon = gIcon;
this->size = iconSize;
// Set image from Gio::Icon
set(this->g_icon, this->size);
// Unset surface if previously chosen
this->icon_name = "";
if (surface) {
surface = std::shared_ptr<RTSurface>();
}
}
int RTImage::get_width()
{
if (surface) {
return surface->getWidth();
} else if (g_icon) {
Gtk::Image::get_width();
}
return -1;
}
int RTImage::get_height()
{
if (surface) {
return surface->getHeight();
} else if (g_icon) {
Gtk::Image::get_height();
}
return -1;
}
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