140 lines
3.3 KiB
PHP
Executable File
140 lines
3.3 KiB
PHP
Executable File
<?php
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//=======================================================================
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// File: JPGRAPH_THEME.INC.PHP
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// Description: Class to define graph theme
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// Created: 2010-09-29
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// Ver: $Id: jpgraph_theme.inc.php 83 2010-10-01 11:24:19Z atsushi $
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//
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// Copyright (c) Asial Corporation. All rights reserved.
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//========================================================================
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// include Theme classes
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foreach (glob(dirname(__FILE__) . '/themes/*.php') as $theme_class_script) {
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require_once($theme_class_script);
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}
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//===================================================
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// CLASS
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// Description:
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//===================================================
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abstract class Theme
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{
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protected $color_index;
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public function __construct()
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{
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$this->color_index = 0;
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}
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/**
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*
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*/
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abstract public function GetColorList();
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/**
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*
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*/
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abstract public function ApplyPlot($plot);
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/**
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*
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*/
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public function SetupPlot($plot)
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{
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if (is_array($plot)) {
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foreach ($plot as $obj) {
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$this->ApplyPlot($obj);
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}
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} else {
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$this->ApplyPlot($plot);
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}
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}
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/**
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*
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*/
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public function ApplyGraph($graph)
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{
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$this->graph = $graph;
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$method_name = '';
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if (get_class($graph) == 'Graph') {
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$method_name = 'SetupGraph';
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} else {
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$method_name = 'Setup' . get_class($graph);
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}
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if (method_exists($this, $method_name)) {
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$this->$method_name($graph);
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} else {
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JpGraphError::RaiseL(30001, $method_name, $method_name); //Theme::%s() is not defined. \nPlease make %s(\$graph) function in your theme classs.
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}
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}
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/**
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*
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*/
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public function PreStrokeApply($graph)
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{
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}
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/**
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*
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*/
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public function GetThemeColors($num = 30)
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{
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$result_list = array();
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$old_index = $this->color_index;
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$this->color_index = 0;
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$count = 0;
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$i = 0;
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while (true) {
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for ($j = 0; $j < count($this->GetColorList()); $j++) {
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if (++$count > $num) {
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break 2;
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}
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$result_list[] = $this->GetNextColor();
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}
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$i++;
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}
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$this->color_index = $old_index;
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return $result_list;
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}
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/**
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*
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*/
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public function GetNextColor()
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{
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$color_list = $this->GetColorList();
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$color = null;
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if (isset($color_list[$this->color_index])) {
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$color = $color_list[$this->color_index];
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} else {
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$color_count = count($color_list);
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if ($color_count <= $this->color_index) {
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$color_tmp = $color_list[$this->color_index % $color_count];
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$brightness = 1.0 - intval($this->color_index / $color_count) * 0.2;
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$rgb = new RGB();
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$color = $color_tmp . ':' . $brightness;
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$color = $rgb->Color($color);
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$alpha = array_pop($color);
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$color = $rgb->tryHexConversion($color);
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if ($alpha) {
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$color .= '@' . $alpha;
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}
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}
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}
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$this->color_index++;
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return $color;
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}
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} // Class
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