*
* Allows the creation of graphical buttons *
* Copyright (C) 2001 Lars Kneschke *
* -------------------------------------------------------------------------*
* This library is part of the phpGroupWare API *
* http://www.phpgroupware.org/api *
* ------------------------------------------------------------------------ *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, *
* or any later version. *
* This library 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 Lesser General Public License for more details. *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
\**************************************************************************/
/* $Id$ */
class graphics
{
// put a valid font here
var $font="/opt/future-project/src/management-server/ttf/arial.ttf";
function createImage($_text, $_fontsize=11)
{
// create filename
$filename="button_".md5($_text).".png";
$filename=strtolower($filename);
// see if file exists already, we cache it
if (file_exists(PHPGW_IMAGES_FILEDIR.'/'.$filename)) return $filename;
$size = imagettfbbox($_fontsize,0,$this->font,$_text);
$dx = abs($size[2]-$size[0]);
$dy = abs($size[5]-$size[3]);
$xpad=9;
$ypad=9;
$im = imagecreate($dx+$xpad,$dy+$ypad);
$blue = ImageColorAllocate($im, 0x2c,0x6D,0xAF);
$black = ImageColorAllocate($im, 0,0,0);
$white = ImageColorAllocate($im, 255,255,255);
ImageRectangle($im,0,0,$dx+$xpad-1,$dy+$ypad-1,$black);
ImageRectangle($im,0,0,$dx+$xpad,$dy+$ypad,$white);
ImageTTFText($im, $_fontsize, 0, (int)($xpad/2)+1, $dy+(int)($ypad/2), -$black, $this->font, $_text);
ImageTTFText($im, $_fontsize, 0, (int)($xpad/2), $dy+(int)($ypad/2)-1, -$white, $this->font, $_text);
ImagePNG($im,PHPGW_IMAGES_FILEDIR.'/'.$filename);
ImageDestroy($im);
return $filename;
}
function createInputButton($_text, $_name, $_mode='graphic')
{
if ($_mode == 'graphic' && extension_loaded("gd"))
{
return '';
}
else
{
return '';
}
}
}