sintonia/livesupport/modules/widgets/src/CornerImages.cxx

133 lines
4.2 KiB
C++

/*------------------------------------------------------------------------------
Copyright (c) 2004 Media Development Loan Fund
This file is part of the LiveSupport project.
http://livesupport.campware.org/
To report bugs, send an e-mail to bugs@campware.org
LiveSupport 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.
LiveSupport 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 LiveSupport; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Author : $Author: fgerlits $
Version : $Revision: 1.2 $
Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/widgets/src/CornerImages.cxx,v $
------------------------------------------------------------------------------*/
/* ============================================================ include files */
#ifdef HAVE_CONFIG_H
#include "configure.h"
#endif
#include "LiveSupport/Widgets/CornerImages.h"
using namespace LiveSupport::Widgets;
/* =================================================== local data structures */
/* ================================================ local constants & macros */
/**
* The name of the top left image.
*/
static const std::string topLeftName = "topLeft.png";
/**
* The name of the left image.
*/
static const std::string leftName = "left.png";
/**
* The name of the top image.
*/
static const std::string topName = "top.png";
/**
* The name of the top right image.
*/
static const std::string topRightName = "topRight.png";
/**
* The name of the right image.
*/
static const std::string rightName = "right.png";
/**
* The name of the bottom left image.
*/
static const std::string bottomLeftName = "bottomLeft.png";
/**
* The name of the bottom image.
*/
static const std::string bottomName = "bottom.png";
/**
* The name of the bottom right image.
*/
static const std::string bottomRightName = "bottomRight.png";
/* =============================================== local function prototypes */
/* ============================================================= module code */
/*------------------------------------------------------------------------------
* Constructor, based on relative path
*----------------------------------------------------------------------------*/
CornerImages :: CornerImages(const std::string path)
throw ()
{
try {
topLeftImage = loadImage(path, topLeftName);
leftImage = loadImage(path, leftName);
topImage = loadImage(path, topName);
topRightImage = loadImage(path, topRightName);
rightImage = loadImage(path, rightName);
bottomLeftImage = loadImage(path, bottomLeftName);
bottomImage = loadImage(path, bottomName);
bottomRightImage = loadImage(path, bottomRightName);
} catch (std::invalid_argument &e) {
// just ignore, it's not polite to through exceptions from constructors
}
}
/*------------------------------------------------------------------------------
* Load an image
*----------------------------------------------------------------------------*/
Glib::RefPtr<Gdk::Pixbuf>
CornerImages :: loadImage(const std::string path,
const std::string imageName)
throw (std::invalid_argument)
{
Glib::RefPtr<Gdk::Pixbuf> image;
if (!(image = Gdk::Pixbuf::create_from_file(path + imageName))) {
throw std::invalid_argument("Missing " + image);
}
// activate alpha channel (transparency)
// but it doesn't seem to work :(
// image->add_alpha(false, 0, 0, 0);
return image;
}