--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/includes/graphs.php Wed Jun 13 16:07:17 2007 -0400
@@ -0,0 +1,937 @@
+<?php
+
+/*
+ * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
+ * Version 1.0 (Banshee)
+ * Copyright (C) 2006-2007 Dan Fuhry
+ *
+ * This program is Free Software; you can redistribute 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.
+ *
+ * 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 General Public License for details.
+ */
+
+// BarGraph for PHP
+// Source: http://www.phpclasses.org/browse/package/1567.html
+// License: PHP license, see licenses/phplic.html included with this package
+
+class GraphMaker {
+ /**
+ * GraphMaker::bar_width
+ * Width of bars
+ */
+ var $bar_width = 32;
+ /**
+ * GraphMaker::bar_height
+ * Height of bars
+ */
+ var $bar_height = 8;
+ /**
+ * GraphMaker::bar_data
+ * Data of all bars
+ */
+ var $bar_data = array('a' => 7, 'b' => 3, 'c' => 6, 'd' => 0, 'e' => 2);
+ /**
+ * GraphMaker::bar_padding
+ * Padding of bars
+ */
+ var $bar_padding = 5;
+ /**
+ * GraphMaker::bar_bordercolor
+ * Border color of bars
+ */
+ var $bar_bordercolor = array(39, 78, 120);
+ /**
+ * GraphMaker::bar_bgcolor
+ * Background color of bars
+ */
+ var $bar_bgcolor = array(69, 129, 194);
+ //---------------------------------------------
+ /**
+ * GraphMaker::graph_areaheight
+ * Height of graphic area
+ */
+ var $graph_areaheight = 100;
+ /**
+ * GraphMaker::graph_padding
+ * Paddings of graph
+ */
+ var $graph_padding = array('left' => 50, 'top' => 20, 'right' => 20, 'bottom' => 20);
+ /**
+ * GraphMaker::graph_title
+ * Title text of graph
+ */
+ var $graph_title = "";
+ /**
+ * GraphMaker::graph_bgcolor
+ * Background color of graph
+ */
+ var $graph_bgcolor = array(255, 255, 255);
+ /**
+ * GraphMaker::graph_bgtransparent
+ * Boolean for background transparency
+ */
+ var $graph_bgtransparent = 0;
+ /**
+ * GraphMaker::graph_transparencylevel
+ * Transparency level (0=opaque, 127=transparent)
+ */
+ var $graph_transparencylevel = 0;
+ /**
+ * GraphMaker::graph_borderwidth
+ * Width of graph border
+ */
+ var $graph_borderwidth = 1;
+ /**
+ * GraphMaker::graph_bordercolor
+ * Border color of graph
+ */
+ var $graph_bordercolor = array(218, 218, 239);
+ /**
+ * GraphMaker::graph_titlecolor
+ * Color of title text of graph
+ */
+ var $graph_titlecolor = array(99, 88, 78);
+ //---------------------------------------------
+ /**
+ * GraphMaker::axis_step
+ * Scale step of axis
+ */
+ var $axis_step = 2;
+ /**
+ * GraphMaker::axis_bordercolor
+ * Border color of axis
+ */
+ var $axis_bordercolor = array(99, 88, 78);
+ /**
+ * GraphMaker::axis_bgcolor
+ * Background color of axis
+ */
+ var $axis_bgcolor = array(152, 137, 124);
+
+ /****************************************************************
+ GRAPH
+ ****************************************************************/
+
+ /**
+ * GraphMaker::SetGraphAreaHeight()
+ * Sets graph height (not counting top and bottom margins)
+ **/
+ function SetGraphAreaHeight($height) {
+ if ($height > 0) $this->graph_areaheight = $height;
+ }
+
+ /**
+ * GraphMaker::SetGraphPadding()
+ * Sets graph padding (margins)
+ **/
+ function SetGraphPadding($left, $top, $right, $bottom) {
+ $this->graph_padding = array('left' => (int) $left,
+ 'top' => (int) $top,
+ 'right' => (int) $right,
+ 'bottom' => (int) $bottom);
+ }
+
+ /**
+ * GraphMaker::SetGraphTitle()
+ * Set title text
+ **/
+ function SetGraphTitle($title) {
+ $this->graph_title = $title;
+ }
+
+ /**
+ * GraphMaker::SetGraphBorderColor()
+ * Sets border color for graph
+ **/
+ function SetGraphBorderColor($red, $green, $blue) {
+ $this->graph_bordercolor = array($red, $green, $blue);
+ }
+
+ /**
+ * GraphMaker::SetGraphBorderWidth()
+ * Set width of border. 0 disables border
+ **/
+ function SetGraphBorderWidth($width = 0) {
+ $this->graph_borderwidth = $width;
+ }
+
+ /**
+ * GraphMaker::SetGraphBackgroundColor()
+ * Sets background color for graph
+ **/
+ function SetGraphBackgroundColor($red, $green, $blue) {
+ $this->graph_bgcolor = array($red, $green, $blue);
+ }
+
+ /**
+ * GraphMaker::SetGraphBackgroundTransparent()
+ * Sets background color for graph (and set it transparent)
+ **/
+ function SetGraphBackgroundTransparent($red, $green, $blue, $addtransparency = 1) {
+ $this->graph_bgcolor = array($red, $green, $blue);
+ $this->graph_bgtransparent = ($addtransparency ? 1 : 0);
+ }
+
+ /**
+ * GraphMaker::SetGraphTitleColor()
+ * Sets title color for graph
+ **/
+ function SetGraphTitleColor($red, $green, $blue) {
+ $this->graph_titlecolor = array($red, $green, $blue);
+ }
+
+ /**
+ * GraphMaker::SetGraphTransparency()
+ * Sets transparency for graph
+ **/
+ function SetGraphTransparency($percent) {
+ if ($percent < 0) $percent = 0;
+ elseif ($percent > 100) $percent = 127;
+ else $percent = $percent * 1.27;
+ $this->graph_transparencylevel = $percent;
+ }
+
+ /****************************************************************
+ BAR
+ ****************************************************************/
+
+ /**
+ * GraphMaker::SetBarBorderColor()
+ * Sets border color for bars
+ **/
+ function SetBarBorderColor($red, $green, $blue) {
+ $this->bar_bordercolor = array($red, $green, $blue);
+ }
+
+ /**
+ * GraphMaker::SetBarBackgroundColor()
+ * Sets background color for bars
+ **/
+ function SetBarBackgroundColor($red, $green, $blue) {
+ $this->bar_bgcolor = array($red, $green, $blue);
+ }
+
+ /**
+ * GraphMaker::SetBarData()
+ * Sets data of graph (parameter should be an array with key
+ * being the name of the bar and the value the value of the bar.
+ **/
+ function SetBarData($data) {
+ if (is_array($data)) $this->bar_data = $data;
+ }
+
+ /**
+ * GraphMaker::SetBarDimensions()
+ * Sets with and height of each bar
+ **/
+ function SetBarDimensions($width, $height) {
+ if ($width > 0) $this->bar_width = $width;
+ if ($height > 0) $this->bar_height = $height;
+ }
+
+ /**
+ * GraphMaker::SetBarPadding()
+ * Sets padding (border) around each bar
+ **/
+ function SetBarPadding($padding) {
+ if ($padding > 0) $this->bar_padding = $padding;
+ }
+
+ /****************************************************************
+ AXIS
+ ****************************************************************/
+
+ /**
+ * GraphMaker::SetAxisBorderColor()
+ * Sets border color for axis
+ **/
+ function SetAxisBorderColor($red, $green, $blue) {
+ $this->axis_bordercolor = array($red, $green, $blue);
+ }
+
+ /**
+ * GraphMaker::SetAxisBackgroundColor()
+ * Sets background color for axis
+ **/
+ function SetAxisBackgroundColor($red, $green, $blue) {
+ $this->axis_bgcolor = array($red, $green, $blue);
+ }
+
+ /**
+ * GraphMaker::SetAxisStep()
+ * Sets axis scale step
+ **/
+ function SetAxisStep($step) {
+ if ($step > 0) $this->axis_step = $step;
+ }
+
+ /**
+ * GraphMaker::GetFinalGraphDimensions()
+ * From the values already setted, it calculates image
+ * width and height
+ **/
+ function GetFinalGraphDimensions() {
+ $w = $this->graph_padding['left'] +
+ (count($this->bar_data) * ($this->bar_width + ($this->bar_padding * 2))) +
+ $this->graph_padding['right'];
+ $h = $this->graph_padding['top'] +
+ $this->graph_areaheight +
+ $this->graph_padding['bottom'];
+ return array($w, $h);
+ }
+
+ /**
+ * GraphMaker::LoadGraph()
+ * Loads definitions from a file
+ **/
+ function LoadGraph($path) {
+ if (($fp = @fopen($path, "r")) !== false) {
+ $content = "";
+ while (!feof($fp)) { // I do not use filesize() here
+ $content .= fread($fp, 4096); // because of remote files. If
+ } // there is no problem with them
+ fclose($fp); // please let me know
+ $this->__LoadGraphDefinitions($content);
+ return true;
+ } else return false;
+ }
+
+ /**
+ * GraphMaker::DrawGraph()
+ * Draw all the graph: bg, axis, bars, text.. and output it
+ * Optional file parameter turns output to file, and bool on success
+ **/
+ function DrawGraph($file = "") {
+ list($w, $h) = $this->GetFinalGraphDimensions();
+ $this->graph_width = $w;
+ $this->graph_height = $h;
+
+ $this->im = imagecreatetruecolor($w, $h);
+ if ($this->graph_transparencylevel) {
+ imagealphablending($this->im, true);
+ }
+
+ $this->__PaintBackground();
+ $this->__DrawAxis();
+
+ $p = 0;
+ foreach ($this->bar_data as $name => $value) {
+ $p++;
+ $this->__DrawBarText($p, $name);
+ $this->__DrawBar($p, $value);
+ }
+
+ if (strlen($this->graph_title)) {
+ $this->__AllocateColor("im_graph_titlecolor",
+ $this->graph_titlecolor,
+ $this->graph_transparencylevel);
+ $this->__DrawText($this->graph_title,
+ floor($this->graph_width / 2),
+ $this->graph_borderwidth + 2,
+ $this->im_graph_titlecolor,
+ 2,
+ 1);
+ }
+
+ if (strlen($file)) {
+ $ret = imagepng($this->im, $file);
+ } else {
+ header('Content-Type: image/png');
+ imagepng($this->im);
+ $ret = true;
+ }
+ imagedestroy($this->im);
+ return $ret;
+ }
+
+ /**
+ * GraphMaker::PaintBackground()
+ * Draw all the graph: bg, axis, bars, text.. and output it
+ * Optional file parameter turns output to file, and bool on success
+ **/
+ function __PaintBackground() {
+ $this->__AllocateColor("im_graph_bgcolor",
+ $this->graph_bgcolor,
+ 0);
+ imagefilledrectangle($this->im,
+ 0,
+ 0,
+ $this->graph_width,
+ $this->graph_height,
+ $this->im_graph_bgcolor);
+ if ($this->graph_bgtransparent) {
+ imagecolortransparent($this->im, $this->im_graph_bgcolor);
+ }
+ if ($this->graph_borderwidth) {
+ $this->__AllocateColor("im_graph_bordercolor",
+ $this->graph_bordercolor,
+ $this->graph_transparencylevel);
+ for ($i = 0; $i < $this->graph_borderwidth; $i++) {
+ imagerectangle($this->im,
+ $i,
+ $i,
+ $this->graph_width - 1 - $i,
+ $this->graph_height - 1 - $i,
+ $this->im_graph_bordercolor);
+ }
+ }
+ }
+
+ /**
+ * GraphMaker::__DrawAxis()
+ * Draws all the axis stuff (and scale steps)
+ **/
+ function __DrawAxis() {
+ $this->__AllocateColor("im_axis_bordercolor",
+ $this->axis_bordercolor,
+ $this->graph_transparencylevel);
+ $this->__AllocateColor("im_axis_bgcolor",
+ $this->axis_bgcolor,
+ $this->graph_transparencylevel);
+ $this->__DrawPolygon($this->graph_padding['left'], $this->graph_height - $this->graph_padding['bottom'],
+ $this->graph_padding['left'], $this->graph_padding['top'],
+ $this->graph_padding['left'] + $this->bar_height - 1, $this->graph_padding['top'] - $this->bar_height + 1,
+ $this->graph_padding['left'] + $this->bar_height - 1, $this->graph_height - $this->graph_padding['bottom'] - $this->bar_height + 1,
+ $this->im_axis_bgcolor, true);
+ $this->__DrawPolygon($this->graph_padding['left'], $this->graph_height - $this->graph_padding['bottom'],
+ $this->graph_padding['left'], $this->graph_padding['top'],
+ $this->graph_padding['left'] + $this->bar_height - 1, $this->graph_padding['top'] - $this->bar_height + 1,
+ $this->graph_padding['left'] + $this->bar_height - 1, $this->graph_height - $this->graph_padding['bottom'] - $this->bar_height + 1,
+ $this->im_axis_bordercolor);
+
+ $this->__DrawPolygon($this->graph_padding['left'], $this->graph_height - $this->graph_padding['bottom'],
+ $this->graph_padding['left'] + $this->bar_height - 1, $this->graph_height - $this->graph_padding['bottom'] - $this->bar_height + 1,
+ $this->graph_width - $this->graph_padding['right'] + $this->bar_height - 1, $this->graph_height - $this->graph_padding['bottom'] - $this->bar_height + 1,
+ $this->graph_width - $this->graph_padding['right'], $this->graph_height - $this->graph_padding['bottom'],
+ $this->im_axis_bgcolor, true);
+ $this->__DrawPolygon($this->graph_padding['left'], $this->graph_height - $this->graph_padding['bottom'],
+ $this->graph_padding['left'] + $this->bar_height - 1, $this->graph_height - $this->graph_padding['bottom'] - $this->bar_height + 1,
+ $this->graph_width - $this->graph_padding['right'] + $this->bar_height - 1, $this->graph_height - $this->graph_padding['bottom'] - $this->bar_height + 1,
+ $this->graph_width - $this->graph_padding['right'], $this->graph_height - $this->graph_padding['bottom'],
+ $this->im_axis_bordercolor);
+
+ // draw lines that separate bars
+ $total_bars = count($this->bar_data);
+ for ($i = 1; $i < $total_bars; $i++) {
+ $offset = $this->graph_padding['left'] +
+ (($this->bar_width + ($this->bar_padding * 2)) * $i);
+ imageline($this->im,
+ $offset,
+ $this->graph_height - $this->graph_padding['bottom'],
+ $offset + $this->bar_height - 1,
+ $this->graph_height - $this->graph_padding['bottom'] - $this->bar_height + 1,
+ $this->im_axis_bordercolor);
+ }
+
+ // draw scale steps
+ $max_value = $this->__GetMaxGraphValue();
+ if (($max_value % 10) > 0) {
+ $max_value = $max_value + (10 - ($max_value % 10));
+ }
+ $this->axis_max = $max_value;
+ $y = 0;
+ $style = array($this->im_axis_bordercolor, $this->im_graph_bgcolor);
+ imagesetstyle($this->im, $style);
+ while ($y <= $max_value) {
+ if ($max_value == 0) { $max_value=1; } // corrected by Marcelo Trenkenchu
+ $offset = floor($this->graph_height - $this->graph_padding['bottom'] -
+ ($y * $this->graph_areaheight / $max_value));
+ imageline($this->im,
+ $this->graph_padding['left'],
+ $offset,
+ $this->graph_padding['left'] + $this->bar_height - 1,
+ $offset - $this->bar_height + 1,
+ $this->im_axis_bordercolor);
+ $this->__DrawText($y,
+ $this->graph_padding['left'],
+ $offset,
+ $this->im_axis_bordercolor,
+ 1,
+ 2,
+ 1);
+ // gridline
+ if ($y > 0) {
+ imageline($this->im,
+ $this->graph_padding['left'] + $this->bar_height,
+ $offset - $this->bar_height + 1,
+ $this->graph_width - $this->graph_padding['right'] + $this->bar_height - 1,
+ $offset - $this->bar_height + 1,
+ IMG_COLOR_STYLED);
+ }
+ $y += $this->axis_step;
+ }
+
+ imageline($this->im,
+ $this->graph_width - $this->graph_padding['right'] + $this->bar_height - 1,
+ $this->graph_padding['top'] - $this->bar_height + 1,
+ $this->graph_width - $this->graph_padding['right'] + $this->bar_height - 1,
+ $this->graph_height - $this->graph_padding['bottom'] - $this->bar_height,
+ IMG_COLOR_STYLED);
+ }
+
+ /**
+ * GraphMaker::__DrawText()
+ * Draws text on image with color, size and alignment options
+ **/
+ function __DrawText($text, $x, $y, $color, $size = 1, $align = 0, $valign = 0) {
+ /*
+ * Align: 0=left | 1=center | 2=right
+ */
+ if ($align == 1) $x -= floor(strlen($text) * imagefontwidth($size) / 2);
+ elseif ($align == 2) $x -= (strlen($text) * imagefontwidth($size));
+ if ($valign == 1) $y -= floor(imagefontheight($size) / 2);
+ elseif ($valign == 2) $y -= imagefontheight($size);
+ imagestring($this->im,
+ $size,
+ $x,
+ $y,
+ $text,
+ $color);
+ }
+
+ /**
+ * GraphMaker::__GetMaxGraphValue()
+ * Returns max bar value
+ **/
+ function __GetMaxGraphValue() {
+ $max_value = 0;
+ foreach ($this->bar_data as $name => $value) {
+ if ($value > $max_value) $max_value = $value;
+ }
+ return $max_value;
+ }
+
+ /**
+ * GraphMaker::__DrawBarText()
+ * Determines top and left to draw text to a choosen bar
+ **/
+ function __DrawBarText($bar, $text) {
+ $this->__DrawText($text,
+ $this->graph_padding['left'] + (($this->bar_width + ($this->bar_padding * 2)) * ($bar - 0.5)),
+ $this->graph_height - $this->graph_padding['bottom'] + 1,
+ $this->axis_bordercolor,
+ 1,
+ 1);
+ }
+
+ /**
+ * GraphMaker::__DrawBar()
+ * Draws a choosen bar with it's value
+ **/
+ function __DrawBar($bar, $value) {
+ $x = $this->graph_padding['left'] +
+ (($this->bar_width + ($this->bar_padding * 2)) * ($bar - 1)) +
+ $this->bar_padding;
+ if ($this->axis_max == 0) { $this->axis_max = 1; } // corrected by Marcelo Trenkenchu
+ $y = $value * $this->graph_areaheight / $this->axis_max;
+ $this->____DrawBar($x,
+ $this->graph_height - $this->graph_padding['bottom'] - $y,
+ $x + $this->bar_width,
+ $this->graph_height - $this->graph_padding['bottom']);
+ }
+
+ /**
+ * GraphMaker::____DrawBar()
+ * Draws the actual rectangles that form a bar
+ **/
+ function ____DrawBar($x1, $y1, $x2, $y2) {
+ $this->__AllocateColor("im_bar_bordercolor",
+ $this->bar_bordercolor,
+ $this->graph_transparencylevel);
+ $this->__AllocateColor("im_bar_bgcolor",
+ $this->bar_bgcolor,
+ $this->graph_transparencylevel);
+ $this->__DrawPolygon($x1, $y1,
+ $x2, $y1,
+ $x2, $y2,
+ $x1, $y2,
+ $this->im_bar_bgcolor, true);
+ $this->__DrawPolygon($x1, $y1,
+ $x2, $y1,
+ $x2, $y2,
+ $x1, $y2,
+ $this->im_bar_bordercolor);
+ $this->__DrawPolygon($x1, $y1,
+ $x2, $y1,
+ $x2 + $this->bar_height - 1, $y1 - $this->bar_height + 1,
+ $x1 + $this->bar_height - 1, $y1 - $this->bar_height + 1,
+ $this->im_bar_bgcolor, true);
+ $this->__DrawPolygon($x1, $y1,
+ $x2, $y1,
+ $x2 + $this->bar_height - 1, $y1 - $this->bar_height + 1,
+ $x1 + $this->bar_height - 1, $y1 - $this->bar_height + 1,
+ $this->im_bar_bordercolor);
+ $this->__DrawPolygon($x2, $y2,
+ $x2, $y1,
+ $x2 + $this->bar_height - 1, $y1 - $this->bar_height + 1,
+ $x2 + $this->bar_height - 1, $y2 - $this->bar_height + 1,
+ $this->im_bar_bgcolor, true);
+ $this->__DrawPolygon($x2, $y2,
+ $x2, $y1,
+ $x2 + $this->bar_height - 1, $y1 - $this->bar_height + 1,
+ $x2 + $this->bar_height - 1, $y2 - $this->bar_height + 1,
+ $this->im_bar_bordercolor);
+ }
+
+ /**
+ * GraphMaker::__DrawPolygon()
+ * Draws a (filled) (ir)regular polygon
+ **/
+ function __DrawPolygon($x1, $y1, $x2, $y2, $x3, $y3, $x4, $y4, $color, $filled = false) {
+ if ($filled) {
+ imagefilledpolygon($this->im, array($x1, $y1, $x2, $y2, $x3, $y3, $x4, $y4), 4, $color);
+ } else {
+ imagepolygon($this->im, array($x1, $y1, $x2, $y2, $x3, $y3, $x4, $y4), 4, $color);
+ }
+ }
+
+ /**
+ * GraphMaker::__LoadGraphDefinitions()
+ * Loads definitions to a graph from text lines (normaly
+ * they come from a file). This function is called by
+ * GraphMaker::LoadGraph()
+ **/
+ function __LoadGraphDefinitions($text) {
+ $text = preg_split("/\r?\n/", $text);
+ $data = array();
+ $section = '';
+ for ($i = 0; $i < count($text); $i++) {
+ if (preg_match("/^\s*#/", $text[$i])) {
+ //ignore.. it's just a comment
+ } elseif (preg_match("/^\s*\}\s*/", $text[$i])) {
+ $section = '';
+ } elseif (preg_match("/^\s*(\w+)\s*\{\s*$/", $text[$i], $r)) {
+ $section = $r[1];
+ } else {
+ $p = strpos($text[$i], "=");
+ if ($p !== false) {
+ $data[$section][trim(substr($text[$i], 0, $p))] = trim(substr($text[$i], $p + 1));
+ }
+ }
+ }
+ if (is_array($data['graph'])) {
+ $this->__LoadGraphValues($data['graph']);
+ }
+ if (is_array($data['bar'])) {
+ $this->__LoadBarValues($data['bar']);
+ }
+ if (is_array($data['axis'])) {
+ $this->__LoadAxisValues($data['axis']);
+ }
+ if (is_array($data['data'])) {
+ $this->bar_data = $data['data'];
+ }
+ }
+
+ /**
+ * GraphMaker::__LoadGraphValues()
+ * Loads definitions to main graph settings
+ **/
+ function __LoadGraphValues($data) {
+ foreach ($data as $name => $value) {
+ $name = strtolower($name);
+ switch ($name) {
+ case 'background-color':
+ $this->__SetColorToValue("graph_bgcolor", $value);
+ break;
+ case 'border-color':
+ $this->__SetColorToValue("graph_bordercolor", $value);
+ break;
+ case 'title-color':
+ $this->__SetColorToValue("graph_titlecolor", $value);
+ break;
+ case 'background-transparent':
+ $this->graph_bgtransparent = ($value == 1 || $value == 'yes' ? 1 : 0);
+ break;
+ case 'transparency':
+ $this->SetGraphTransparency(str_replace('%', '', $value));
+ break;
+ case 'title':
+ $this->graph_title = $value;
+ break;
+ case 'border-width':
+ $this->graph_borderwidth = (int) $value;
+ break;
+ case 'area-height':
+ $this->graph_areaheight = (int) $value;
+ break;
+ default:
+ if (substr($name, 0, 8) == 'padding-' && strlen($name) > 8) {
+ $this->graph_padding[substr($name, 8)] = $value;
+ }
+ }
+ }
+ }
+
+ /**
+ * GraphMaker::__LoadBarValues()
+ * Loads definitions to bar settings
+ **/
+ function __LoadBarValues($data) {
+ foreach ($data as $name => $value) {
+ $name = strtolower($name);
+ switch ($name) {
+ case 'background-color':
+ $this->__SetColorToValue("bar_bgcolor", $value);
+ break;
+ case 'border-color':
+ $this->__SetColorToValue("bar_bordercolor", $value);
+ break;
+ case 'padding':
+ $this->bar_padding = $value;
+ break;
+ case 'width':
+ $this->bar_width = (int) $value;
+ break;
+ case 'height':
+ $this->bar_height = (int) $value;
+ break;
+ }
+ }
+ }
+
+ /**
+ * GraphMaker::__LoadAxisValues()
+ * Loads definitions to axis settings
+ **/
+ function __LoadAxisValues($data) {
+ foreach ($data as $name => $value) {
+ switch (strtolower($name)) {
+ case 'step':
+ $this->SetAxisStep($value);
+ break;
+ case 'background-color':
+ $this->__SetColorToValue("axis_bgcolor", $value);
+ break;
+ case 'border-color':
+ $this->__SetColorToValue("axis_bordercolor", $value);
+ }
+ }
+ }
+
+ /**
+ * GraphMaker::__SetColorToValue()
+ * Sets a color (rgb or in html format) to a variable
+ **/
+ function __SetColorToValue($varname, $color) {
+ if ($color[0] == "#") { // if it's hex (html format), change to rgb array
+ if (strlen($color) == 4) {
+ // if only 3 hex values (I assume it's a shade of grey: #ddd)
+ $color .= substr($color, -3);
+ }
+ $color = array(hexdec($color[1].$color[2]),
+ hexdec($color[3].$color[4]),
+ hexdec($color[5].$color[6]));
+ }
+ $this->$varname = $color;
+ }
+
+ function __AllocateColor($varname, $color, $alpha) {
+ $this->$varname = imagecolorallocatealpha($this->im,
+ $color[0],
+ $color[1],
+ $color[2],
+ $alpha);
+ }
+}
+
+// Graph Generator for PHP
+// Originally located at http://szewo.com/php/graph, but link was broken, so this file was retrieved from:
+// http://web.archive.org/web/20030130065944/szewo.com/php/graph/graph.class.php3.txt
+// License unknown
+
+class GraphMaker_compat {
+ var $_values;
+ var $_ShowLabels;
+ var $_ShowCounts;
+ var $_ShowCountsMode;
+
+ var $_BarWidth;
+ var $_GraphWidth;
+ var $_BarImg;
+ var $_BarBorderWidth;
+ var $_BarBorderColor;
+ var $_RowSortMode;
+ var $_TDClassHead;
+ var $_TDClassLabel;
+ var $_TDClassCount;
+ var $_GraphTitle;
+
+ function __construct() {
+ $this->_values = array();
+ $this->_ShowLabels = true;
+ $this->_BarWidth = 16;
+ $this->_GraphWidth = 360;
+ $this->_BarImg = "NULL";
+ $this->_BarBorderWidth = 0;
+ $this->_BarBorderColor = "red";
+ $this->_ShowCountsMode = 2;
+ $this->_RowSortMode = 1;
+ $this->_TDClassHead = "grphh";
+ $this->_TDClassLabel = "grph";
+ $this->_TDClassCount = "grphc";
+ $this->_GraphTitle="Graph title";
+ }
+
+ function GraphMaker_compat() {
+ $this->__construct();
+ }
+
+ function SetBarBorderWidth($width) {
+ $this->_BarBorderWidth = $width;
+ }
+ function SetBorderColor($color) {
+ $this->_BarBorderColor = $color;
+ }
+
+// mode = 1 labels asc, 2 label desc
+ function SetSortMode($mode) {
+ switch ($mode) {
+ case 1:
+ asort($this->_values);
+ break;
+ case 2:
+ arsort($this->_values);
+ break;
+ default:
+ break;
+ }
+
+ }
+
+ function AddValue($labelName, $theValue) {
+ array_push($this->_values, array("label" => $labelName, "value" => $theValue));
+
+ }
+ function SetBarWidth($width) {
+ $this->_BarWidth = $width;
+ }
+ function SetBarImg($img) {
+ $this->_BarImg = $img;
+ }
+ function SetShowLabels($lables) {
+ $this->_ShowLabels = $labels;
+ }
+ function SetGraphWidth($width) {
+ $this->_GraphWidth = $width;
+ }
+ function SetGraphTitle($title) {
+ $this->_GraphTitle = $title;
+ }
+ //mode = percentage or counts
+ function SetShowCountsMode($mode) {
+ $this->_ShowCountsMode = $mode;
+ }
+ //mode = none(0) label(1) or count(2)
+ function SetRowSortMode($sortmode) {
+ $this->_RowSortMode = $sortmode;
+ }
+
+ function SetTDClassHead($class) {
+ $this->_TDClassHead = $class;
+ }
+ function SetTDClassLabel($class) {
+ $this->_TDClassLabel = $class;
+ }
+ function SetTDClassCount($class) {
+ $this->_TDClassCount = $class;
+ }
+ function GetMaxVal() {
+ $maxval = 0;
+ foreach($this->_values as $value) if($maxval<$value["value"]) $maxval = $value["value"];
+ return $maxval;
+ }
+ function BarGraphVert() {
+ $maxval = $this->GetMaxVal();
+ foreach($this->_values as $value) $sumval += $value["value"];
+ $this->SetSortMode($this->_RowSortMode);
+ echo "<table>";
+ if (strlen($this->_GraphTitle)>0) echo "<tr><td colspan=".count($this->_values)." class=\"".$this->_TDClassHead."\">".$this->_GraphTitle."</td></tr>";
+ echo "<tr>";
+ foreach($this->_values as $value) {
+ echo "<td valign=bottom align=center>";
+ $height = $this->_BarWidth;
+ $width=ceil($value["value"]*$this->_GraphWidth/$maxval);
+ echo "<div ";
+ echo " style=\"background-color: #666666; border: ".$this->_BarBorderWidth."px solid ".$this->_BarBorderColor."\"";
+ echo ">";
+ echo "</td>";
+ }
+ echo "</tr>";
+ if ($this->_ShowCountsMode>0) {
+ echo "<tr>";
+ foreach($this->_values as $value) {
+ switch ($this->_ShowCountsMode) {
+ case 1:
+ $count = round(100*$value["value"]/$sumval)."%";
+ break;
+ case 2:
+ $count = $value["value"];
+ break; /* Exit the switch and the while. */
+ default:
+ break;
+ }
+ echo "<td align=center class=".$this->_TDClassCount.">$count</td>";
+ }
+ echo "</tr>";
+ }
+
+ if ($this->_ShowLabels) {
+ echo "<tr>";
+ foreach($this->_values as $value) {
+ echo "<td align=center class=".$this->_TDClassLabel;
+ echo ">".$value["label"]."</td>";
+ }
+ echo "</tr>";
+ }
+
+ echo "</table>";
+ }
+
+
+
+ function BarGraphHoriz() {
+ $maxval = $this->GetMaxVal();
+ foreach($this->_values as $value) $sumval += $value["value"];
+ $this->SetSortMode($this->_RowSortMode);
+ echo "<table border=0>";
+ if (strlen($this->_GraphTitle)>0) {
+ echo "<tr><td ";
+ if ($this->_ShowCountsMode>0) echo " colspan=2";
+ echo " class=\"".$this->_TDClassHead."\">".$this->_GraphTitle."</TD></TR>";
+ }
+ foreach($this->_values as $value) {
+ if ($this->_ShowLabels) {
+ echo "<tr>";
+ echo "<td class=".$this->_TDClassLabel;
+ if ($this->_ShowCountsMode>0) echo " colspan=2";
+ echo ">".$value["label"]."</TD></TR>";
+ }
+ echo "<tr>";
+ if ($this->_ShowCountsMode>0) {
+ switch ($this->_ShowCountsMode) {
+ case 1:
+ $count = round(100*$value["value"]/$sumval)."%";
+ break;
+ case 2:
+ $count = $value["value"];
+ break; /* Exit the switch and the while. */
+ default:
+ break;
+ }
+ echo "<td class=".$this->_TDClassCount.">$count</TD>";
+ }
+ echo "<td>";
+ $height = $this->_BarWidth;
+ $width=ceil($value["value"]*$this->_GraphWidth/$maxval);
+ echo "<img SRC=\"".$this->_BarImg."\" height=$height width=$width ";
+ echo " style=\"border: ".$this->_BarBorderWidth."px solid ".$this->_BarBorderColor."\"";
+ echo ">";
+ echo "</TD></TR>";
+ }
+ echo "</TABLE>";
+ }
+}
+