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103 lines
2.5 KiB
PHP
103 lines
2.5 KiB
PHP
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<?php
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/* Libchart - PHP chart library
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* Copyright (C) 2005-2010 Jean-Marc Tr<EFBFBD>meaux (jm.tremeaux at gmail.com)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/*! \mainpage Libchart
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*
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* This is the reference API, automatically compiled by <a href="http://www.stack.nl/~dimitri/doxygen/">Doxygen</a>.
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* You can find here information that is not covered by the <a href="../samplecode/">tutorial</a>.
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*
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*/
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/**
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* Base chart class.
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*
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* @author Jean-Marc Tr<EFBFBD>meaux (jm.tremeaux at gmail.com)
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*/
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abstract class Chart {
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/**
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* The data set.
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*/
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protected $dataSet;
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/**
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* Plot (holds graphical attributes).
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*/
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protected $plot;
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/**
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* Abstract constructor of Chart.
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*
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* @param integer width of the image
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* @param integer height of the image
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*/
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protected function Chart($width, $height) {
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// Creates the plot
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$this->plot = new Plot($width, $height);
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$this->plot->setTitle("Untitled chart");
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//$this->plot->setLogoFileName(dirname(__FILE__) . "/../../../images/PoweredBy.png");
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}
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/**
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* Checks the data model before rendering the graph.
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*/
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protected function checkDataModel() {
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// Check if a dataset was defined
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if (!$this->dataSet) {
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die("Error: No dataset defined.");
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}
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// Maybe no points are defined, but that's ok. This will yield and empty graph with default boundaries.
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}
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/**
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* Create the image.
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*/
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protected function createImage() {
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$this->plot->createImage();
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}
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/**
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* Sets the data set.
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*
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* @param dataSet The data set
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*/
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public function setDataSet($dataSet) {
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$this->dataSet = $dataSet;
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}
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/**
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* Return the plot.
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*
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* @return plot
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*/
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public function getPlot() {
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return $this->plot;
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}
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/**
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* Sets the title.
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*
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* @param string New title
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*/
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public function setTitle($title) {
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$this->plot->setTitle($title);
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}
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}
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?>
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