vmap/libs/gtkutil/image.cpp

/*
   Copyright (C) 2001-2006, William Joseph.
   All Rights Reserved.

   This file is part of GtkRadiant.

   GtkRadiant 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 2 of the License, or
   (at your option) any later version.

   GtkRadiant 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 GtkRadiant; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include "image.h"

#include <gtk/gtk.h>

#include "string/string.h"
#include "stream/stringstream.h"
#include "stream/textstream.h"


namespace {
CopiedString g_bitmapsPath;
}

void BitmapsPath_set(const char *path)
{
	g_bitmapsPath = path;
}

GdkPixbuf *pixbuf_new_from_file_with_mask(const char *filename)
{
	GdkPixbuf *rgb = gdk_pixbuf_new_from_file(filename, 0);
	if (rgb == 0) {
		return 0;
	} else {
		GdkPixbuf *rgba = gdk_pixbuf_add_alpha(rgb, FALSE, 255, 0, 255);
		g_object_unref(rgb);
		return rgba;
	}
}

ui::Image image_new_from_file_with_mask(const char *filename)
{
	GdkPixbuf *rgba = pixbuf_new_from_file_with_mask(filename);
	if (rgba == 0) {
		return ui::Image(ui::null);
	} else {
		auto image = ui::Image::from(gtk_image_new_from_pixbuf(rgba));
		g_object_unref(rgba);
		return image;
	}
}

ui::Image image_new_missing()
{
	return ui::Image::from(gtk_image_new_from_stock(GTK_STOCK_MISSING_IMAGE, GTK_ICON_SIZE_SMALL_TOOLBAR));
}

ui::Image new_image(const char *filename)
{
	if (auto image = image_new_from_file_with_mask(filename)) {
		return image;
	}
	return image_new_missing();
}

ui::Image new_local_image(const char *filename)
{
	StringOutputStream fullPath(256);
	fullPath << g_bitmapsPath.c_str() << filename;
	return new_image(fullPath.c_str());
}