mirror of
https://github.com/EGroupware/egroupware.git
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100 lines
3.7 KiB
PHP
100 lines
3.7 KiB
PHP
<?php
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/**************************************************************************\
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* phpGroupWare API - Graphical *
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* This file written by Lars Kneschke <knecke@phpgroupware.org> *
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* Allows the creation of graphical buttons *
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* Copyright (C) 2001 Lars Kneschke *
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* -------------------------------------------------------------------------*
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* This library is part of the phpGroupWare API *
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* http://www.phpgroupware.org/api *
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* ------------------------------------------------------------------------ *
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* This library is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU Lesser General Public License as published by *
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* the Free Software Foundation; either version 2.1 of the License, *
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* or any later version. *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
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* See the GNU Lesser General Public License for more details. *
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* You should have received a copy of the GNU Lesser General Public License *
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* along with this library; if not, write to the Free Software Foundation, *
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
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\**************************************************************************/
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/* $Id$ */
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class graphics
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{
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/* put a valid font here */
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var $font="/opt/future-project/src/management-server/ttf/arial.ttf";
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function createImage($_text, $_fontsize=11)
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{
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/* create filename */
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$filename = 'button_' . md5($_text) . '.png';
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$filename = strtolower($filename);
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/* see if file exists already, we cache it */
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if (file_exists(PHPGW_IMAGES_FILEDIR.'/'.$filename))
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{
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return $filename;
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}
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$size = imagettfbbox($_fontsize,0,$this->font,$_text);
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$dx = abs($size[2]-$size[0]);
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$dy = abs($size[5]-$size[3]);
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$xpad=9;
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$ypad=9;
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$im = imagecreate($dx+$xpad,$dy+$ypad);
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$blue = ImageColorAllocate($im, 0x2c,0x6D,0xAF);
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$black = ImageColorAllocate($im, 0,0,0);
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$white = ImageColorAllocate($im, 255,255,255);
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ImageRectangle($im,0,0,$dx+$xpad-1,$dy+$ypad-1,$black);
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ImageRectangle($im,0,0,$dx+$xpad,$dy+$ypad,$white);
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ImageTTFText($im, $_fontsize, 0, (int)($xpad/2)+1, $dy+(int)($ypad/2), -$black, $this->font, $_text);
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ImageTTFText($im, $_fontsize, 0, (int)($xpad/2), $dy+(int)($ypad/2)-1, -$white, $this->font, $_text);
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ImagePNG($im,PHPGW_IMAGES_FILEDIR.'/'.$filename);
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ImageDestroy($im);
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return $filename;
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}
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function createInputButton($_text, $_name, $_mode='graphic')
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{
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if ($_mode == 'graphic' && extension_loaded('gd'))
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{
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return '<input type="image" src="/phpgroupware/phpgwapi/templates/default/images/'.$this->createImage($_text).'" border="0" name="'.$_name.'">';
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}
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else
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{
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return '<input type="submit" value="'.$_text.'" name="'.$_name.'">';
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}
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}
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// this function checks, if there is a variable $aaa_x and $aaa_y
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// if so, it will create a new variable $aaa
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function parseHTTPPostVars()
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{
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// execute only if libgd support is enabled
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if (!extension_loaded('gd'))
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{
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return;
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}
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global $HTTP_POST_VARS;
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if (is_array($HTTP_POST_VARS))
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{
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while( list($key, $val) = each($HTTP_POST_VARS))
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{
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if (ereg("(.*)_x",$key,$varName) && $HTTP_POST_VARS[$varName[1]."_y"])
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{
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$name = $varName[1];
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global $$name;
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$$name = "content generated by parseHTTPPostVars()";
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}
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}
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}
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}
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}
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