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pandorafms/pandora_console/include/graphs/functions_gd.php

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<?PHP
// ===========================================================
// Copyright (c) 2011-2011 Artica, info@artica.es
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License
// (LGPL) as published by the Free Software Foundation; version 2
// This program 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.
// If is called from index
if(file_exists('include/functions.php')) {
include_once('include/functions.php');
include_once('include/functions_html.php');
include_once('include/graphs/functions_utils.php');
} // If is called through url
else if(file_exists('../functions.php')) {
include_once('../functions.php');
include_once('../functions_html.php');
include_once('functions_utils.php');
}
$types = array('histogram', 'progressbar');
$id_graph = get_parameter('id_graph', false);
$graph_type = get_parameter('graph_type', '');
if($id_graph && in_array($graph_type, $types)) {
if (!$id_graph) {
exit;
}
$graph = unserialize_in_temp($id_graph);
if (!isset($graph)) {
exit;
}
if (!isset($graph['fontsize'])) {
$graph['fontsize'] = 6;
}
switch($graph_type) {
case 'histogram':
gd_histogram ($graph['width'],
$graph['height'],
$graph['mode'],
json_decode($graph['data'], true),
$graph['max'],
$graph['font'],
$graph['title'],
$graph['fontsize']);
break;
case 'progressbar':
gd_progress_bar ($graph['width'],
$graph['height'],
$graph['progress'],
$graph['title'],
$graph['font'],
$graph['out_of_lim_str'],
$graph['out_of_lim_image'],
$graph['mode'],
$graph['fontsize']);
break;
case 'progressbubble':
gd_progress_bubble ($graph['width'],
$graph['height'],
$graph['progress'],
$graph['title'],
$graph['font'],
$graph['out_of_lim_str'],
$graph['out_of_lim_image'],
$graph['mode'],
$graph['fontsize']);
break;
}
}
function gd_histogram ($width, $height, $mode, $data, $max_value, $font, $title, $fontsize = 8) {
// $title is for future use
$nvalues = count($data);
Header("Content-type: image/png");
$image = imagecreate($width,$height);
$white = ImageColorAllocate($image,255,255,255);
imagecolortransparent ($image, $white);
$black = ImageColorAllocate($image,0,0,0);
$red = ImageColorAllocate($image,255,60,75);
$blue = ImageColorAllocate($image,75,60,255);
$green = ImageColorAllocate($image,0,120,0);
$magent = ImageColorAllocate($image,179,0,255);
$yellow = ImageColorAllocate($image,204,255,0);
$colors = array($blue, $red, $green, $magent, $yellow);
$margin_up = 2;
if ($mode != 2) {
$size_per = ($max_value / ($width-40));
} else {
$size_per = ($max_value / ($width));
}
if ($mode == 0) // with strips
$rectangle_height = ($height - 10 - 2 - $margin_up ) / $nvalues;
else
$rectangle_height = ($height - 2 - $margin_up ) / $nvalues;
if ($size_per == 0)
$size_per = 1;
if ($mode != 2) {
$leftmargin = 40;
}
else {
$leftmargin = 1;
}
$c = 0;
foreach($data as $label => $value) {
ImageFilledRectangle($image, $leftmargin, $margin_up, ($value/$size_per)+$leftmargin, $margin_up+$rectangle_height -1 , $colors[$c]);
if ($mode != 2) {
ImageTTFText($image, $fontsize, 0, 0, $margin_up+8, $black, $font, $label);
}
$margin_up += $rectangle_height + 1;
$c++;
if(!isset($colors[$c])) {
$c = 0;
}
}
if ($mode == 0) { // With strips
// Draw limits
$risk_low = ($config_risk_low / $size_per) + 40;
$risk_med = ($config_risk_med / $size_per) + 40;
$risk_high = ($config_risk_high / $size_per) + 40;
imageline($image, $risk_low, 0, $risk_low , $height, $grey);
imageline($image, $risk_med , 0, $risk_med , $height, $grey);
imageline($image, $risk_high, 0, $risk_high , $height, $grey);
ImageTTFText($image, $fontsize, 0, $risk_low-20, $height, $grey, $font, "Low");
ImageTTFText($image, $fontsize, 0, $risk_med-20, $height, $grey, $font, "Med.");
ImageTTFText($image, $fontsize, 0, $risk_high-25, $height, $grey, $font, "High");
}
imagePNG($image);
imagedestroy($image);
}
// ***************************************************************************
// Draw a dynamic progress bubble using GDlib directly
// ***************************************************************************
function gd_progress_bubble ($width, $height, $progress, $title, $font, $out_of_lim_str, $out_of_lim_image, $mode = 1, $fontsize=10, $value_text = '', $colorRGB = '') {
if($out_of_lim_str === false) {
$out_of_lim_str = "Out of limits";
}
if($out_of_lim_image === false) {
$out_of_lim_image = "images_graphs/outlimits.png";
}
$color = array();
if (!empty($colorRGB)) {
$color = explode('|', $colorRGB);
}
Header("Content-type: image/png");
switch ($mode)
{
//TODO: Understand the difernets between the modes.
case 0:
case 1:
case 2:
global $config;
global $REMOTE_ADDR;
if ($progress > 100 || $progress < 0) {
// HACK: This report a static image... will increase render in about 200% :-) useful for
// high number of realtime statusbar images creation (in main all agents view, for example
$imgPng = imageCreateFromPng($out_of_lim_image);
imageAlphaBlending($imgPng, true);
imageSaveAlpha($imgPng, true);
imagePng($imgPng);
}
else {
$ratingWidth = ($progress/100)*$width;
$ratingHeight = ($progress/100)*$height;
$image = imagecreate($width,$height);
//colors
$back = ImageColorAllocate($image,255,255,255);
imagecolortransparent ($image, $back);
$black = ImageColorAllocate($image,0,0,0);
$red = ImageColorAllocate($image,255,60,75);
$green = ImageColorAllocate($image,50,205,50);
$blue = ImageColorAllocate($image,44,81,120);
$soft_green = ImageColorAllocate($image,176, 255, 84);
$soft_yellow = ImageColorAllocate($image,255, 230, 84);
$soft_red = ImageColorAllocate($image,255, 154, 84);
$other_red = ImageColorAllocate($image,238, 0, 0);
if (!empty($color)) {
$defined_color = ImageColorAllocate($image, $color[0], $color[1], $color[2]);
}
if (isset($defined_color)) {
imagefilledellipse($image, $width / 2, $height / 2,
$ratingWidth, $ratingHeight, $defined_color);
}
elseif ($rating > 70) {
imagefilledellipse($image, $width / 2, $height / 2,
$ratingWidth, $ratingHeight, $soft_green);
}
elseif ($rating > 50) {
imagefilledellipse($image, $width / 2, $height / 2,
$ratingWidth, $ratingHeight, $soft_yellow);
}
elseif ($rating > 30) {
imagefilledellipse($image, $width / 2, $height / 2,
$ratingWidth, $ratingHeight, $soft_red);
}
else if($rating > 0) {
imagefilledellipse($image, $width / 2, $height / 2,
$ratingWidth, $ratingHeight, $other_red);
}
//Write the value
$size = imagettfbbox ($fontsize, 0, $font, $value_text);
ImageTTFText($image, $fontsize, 0,
($width/2) - ($size[4] / 2), ($height/2) + ($size[1] / 2), $black, $font, $value_text);
imagePNG($image);
}
imagedestroy($image);
break;
}
}
// ***************************************************************************
// Draw a dynamic progress bar using GDlib directly
// ***************************************************************************
function gd_progress_bar ($width, $height, $progress, $title, $font, $out_of_lim_str, $out_of_lim_image, $mode = 1, $fontsize=10, $value_text = '', $colorRGB = '') {
if($out_of_lim_str === false) {
$out_of_lim_str = "Out of limits";
}
if($out_of_lim_image === false) {
$out_of_lim_image = "images_graphs/outlimits.png";
}
$color = array();
if (!empty($colorRGB)) {
$color = explode('|', $colorRGB);
}
// Copied from the PHP manual:
// http://us3.php.net/manual/en/function.imagefilledrectangle.php
// With some adds from sdonie at lgc dot com
// Get from official documentation PHP.net website. Thanks guys :-)
function drawRating($rating, $width, $height, $font, $out_of_lim_str, $mode, $fontsize, $value_text, $color) {
global $config;
global $REMOTE_ADDR;
// Round corners defined in global setup
if ($config["round_corner"] != 0) {
$radius = ($height > 18) ? 8 : 0;
}
else {
$radius = 0;
}
if ($width == 0) {
$width = 150;
}
if ($height == 0) {
$height = 20;
}
//$rating = $_GET['rating'];
$ratingbar = (($rating/100)*$width)-2;
$ratingbar30 = ((30/100)*$width)-2;
$image = imagecreate($width,$height);
//colors
$back = ImageColorAllocate($image,255,255,255);
imagecolortransparent ($image, $back);
$bordercolor = ImageColorAllocate($image,174,174,174);
$text = ImageColorAllocate($image,74,74,74);
$red = ImageColorAllocate($image,255,60,75);
$green = ImageColorAllocate($image,50,205,50);
$blue = ImageColorAllocate($image,44,81,120);
if (!empty($color)) {
$defined_color = ImageColorAllocate($image, $color[0], $color[1], $color[2]);
}
$soft_green = ImageColorAllocate($image,176, 255, 84);
$soft_yellow = ImageColorAllocate($image,255, 230, 84);
$soft_red = ImageColorAllocate($image,255, 154, 84);
$other_red = ImageColorAllocate($image,238, 0, 0);
ImageRectangleWithRoundedCorners($image,0,0,$width-1,$height-1,$radius,$back,false);
$x1 = 1;
$y1 = 1;
$x2 = $ratingbar;
$y2 = $height - 1;
switch ($mode)
{
case 0:
if (isset($defined_color)) {
ImageRectangleWithRoundedCorners($image, $x1, $y1, $x2, $y2, $radius, $defined_color);
}
elseif ($rating > 70)
ImageRectangleWithRoundedCorners($image, $x1, $y1, $x2, $y2, $radius, $soft_green);
elseif ($rating > 50)
ImageRectangleWithRoundedCorners($image, $x1, $y1, $x2, $y2, $radius, $soft_yellow);
elseif ($rating > 30)
ImageRectangleWithRoundedCorners($image, $x1, $y1, $x2, $y2, $radius, $soft_red);
else if($rating > 0) {
if($radius != 0) {
$x2 = $ratingbar30;
}
ImageRectangleWithRoundedCorners($image, $x1, $y1, $x2, $y2, $radius, $other_red);
}
break;
case 1:
if (isset($defined_color)) {
ImageRectangleWithRoundedCorners($image, $x1, $y1, $x2, $y2, $radius,$defined_color);
}
elseif ($rating > 100)
ImageRectangleWithRoundedCorners($image, $x1, $y1, $x2, $y2, $radius,$red);
elseif ($rating == 100)
ImageRectangleWithRoundedCorners($image, $x1, $y1, $x2, $y2, $radius,$green);
else if($rating > 0){
if($radius != 0 && $rating < 30) {
$x2 = $ratingbar30;
}
ImageRectangleWithRoundedCorners($image, $x1, $y1, $x2, $y2, $radius,$blue);
}
if ($rating > 50)
if ($rating > 100)
ImageTTFText($image, $fontsize, 0, ($width/4), ($height/2)+($height/5), $back, $font, $out_of_lim_str);
else
ImageTTFText($image, $fontsize, 0, ($width/2)-($width/10), ($height/2)+($height/5), $back, $font, $value_text);
else
ImageTTFText($image, $fontsize, 0, ($width/2)-($width/10), ($height/2)+($height/5), $text, $font, $value_text);
break;
case 2:
if (isset($defined_color)) {
ImageRectangleWithRoundedCorners($image, $x1, $y1, $x2, $y2, $radius, $defined_color);
}
elseif ($rating > 70)
ImageRectangleWithRoundedCorners($image, $x1, $y1, $x2, $y2, $radius, $other_red);
elseif ($rating > 50)
ImageRectangleWithRoundedCorners($image, $x1, $y1, $x2, $y2, $radius, $soft_red);
elseif ($rating > 30)
ImageRectangleWithRoundedCorners($image, $x1, $y1, $x2, $y2, $radius, $soft_yellow);
else if($rating > 0) {
if($radius != 0) {
$x2 = $ratingbar30;
}
ImageRectangleWithRoundedCorners($image, $x1, $y1, $x2, $y2, $radius, $soft_green);
}
break;
}
if($bordercolor !== false) {
$x1-=1;
$x2 = $width-2;
imageline($image, $x1+$radius, $y1, $x2-$radius, $y1, $bordercolor);
imageline($image, $x1+$radius, $y2, $x2-$radius, $y2, $bordercolor);
imageline($image, $x1, $y1+$radius, $x1, $y2-$radius, $bordercolor);
imageline($image, $x2, $y1+$radius, $x2, $y2-$radius, $bordercolor);
imagearc($image,$x1+$radius, $y1+$radius, $radius*2, $radius*2, 180 , 270, $bordercolor);
imagearc($image,$x2-$radius, $y1+$radius, $radius*2, $radius*2, 270 , 360, $bordercolor);
imagearc($image,$x1+$radius, $y2-$radius, $radius*2, $radius*2, 90 , 180, $bordercolor);
imagearc($image,$x2-$radius, $y2-$radius, $radius*2, $radius*2, 360 , 90, $bordercolor);
}
imagePNG($image);
imagedestroy($image);
}
function ImageRectangleWithRoundedCorners(&$im, $x1, $y1, $x2, $y2, $radius, $color)
{
// Draw rectangle without corners
ImageFilledRectangle($im, $x1+$radius, $y1, $x2-$radius, $y2, $color);
ImageFilledRectangle($im, $x1, $y1+$radius, $x2, $y2-$radius, $color);
// Draw circled corners
ImageFilledEllipse($im, $x1+$radius, $y1+$radius, $radius*2, $radius*2, $color);
ImageFilledEllipse($im, $x2-$radius, $y1+$radius, $radius*2, $radius*2, $color);
ImageFilledEllipse($im, $x1+$radius, $y2-$radius, $radius*2, $radius*2, $color);
ImageFilledEllipse($im, $x2-$radius, $y2-$radius, $radius*2, $radius*2, $color);
}
Header("Content-type: image/png");
switch ($mode)
{
case 0:
drawRating($progress, $width, $height, $font, $out_of_lim_str, $mode, $fontsize, $value_text, $color);
break;
case 1:
if ($progress > 100 || $progress < 0) {
// HACK: This report a static image... will increase render in about 200% :-) useful for
// high number of realtime statusbar images creation (in main all agents view, for example
$imgPng = imageCreateFromPng($out_of_lim_image);
imageAlphaBlending($imgPng, true);
imageSaveAlpha($imgPng, true);
imagePng($imgPng);
}
else
drawRating($progress, $width, $height, $font, $out_of_lim_str, $mode, 6, $value_text, $color);
break;
case 2:
if ($progress > 100 || $progress < 0) {
// HACK: This report a static image... will increase render in about 200% :-) useful for
// high number of realtime statusbar images creation (in main all agents view, for example
$imgPng = imageCreateFromPng($out_of_lim_image);
imageAlphaBlending($imgPng, true);
imageSaveAlpha($imgPng, true);
imagePng($imgPng);
}
else
drawRating($progress, $width, $height, $font, $out_of_lim_str, $mode, 6, $value_text, $color);
break;
}
}
?>
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