forked from vergnet/site-accueil-insa
748 lines
23 KiB
PHP
748 lines
23 KiB
PHP
<?php
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namespace CpChart;
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/**
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* Image - The actual class to do most of the drawing. Extends the Draw class
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* with the bulk of drawing methods.
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*
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* Version : 2.1.4
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* Made by : Jean-Damien POGOLOTTI
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* Last Update : 19/01/2014
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*
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* This file can be distributed under the license you can find at :
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*
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* http://www.pchart.net/license
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*
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* You can find the whole class documentation on the pChart web site.
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*/
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class Image extends Draw
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{
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/**
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* @param int $XSize
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* @param int $YSize
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* @param Data $DataSet
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* @param boolean $TransparentBackground
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*/
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public function __construct(
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$XSize,
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$YSize,
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Data $DataSet = null,
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$TransparentBackground = false
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) {
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parent::__construct();
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$this->TransparentBackground = $TransparentBackground;
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$this->DataSet = null !== $DataSet ? $DataSet : new Data();
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$this->XSize = $XSize;
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$this->YSize = $YSize;
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$this->Picture = imagecreatetruecolor($XSize, $YSize);
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if ($this->TransparentBackground) {
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imagealphablending($this->Picture, false);
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imagefilledrectangle(
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$this->Picture,
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0,
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0,
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$XSize,
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$YSize,
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imagecolorallocatealpha($this->Picture, 255, 255, 255, 127)
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);
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imagealphablending($this->Picture, true);
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imagesavealpha($this->Picture, true);
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} else {
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$C_White = $this->AllocateColor($this->Picture, 255, 255, 255);
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imagefilledrectangle($this->Picture, 0, 0, $XSize, $YSize, $C_White);
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}
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}
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/**
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* Enable / Disable and set shadow properties
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* @param boolean $Enabled
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* @param array $Format
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*/
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public function setShadow($Enabled = true, array $Format = [])
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{
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$X = isset($Format["X"]) ? $Format["X"] : 2;
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$Y = isset($Format["Y"]) ? $Format["Y"] : 2;
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$R = isset($Format["R"]) ? $Format["R"] : 0;
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$G = isset($Format["G"]) ? $Format["G"] : 0;
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$B = isset($Format["B"]) ? $Format["B"] : 0;
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$Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 10;
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$this->Shadow = $Enabled;
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$this->ShadowX = $X;
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$this->ShadowY = $Y;
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$this->ShadowR = $R;
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$this->ShadowG = $G;
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$this->ShadowB = $B;
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$this->Shadowa = $Alpha;
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}
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/**
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* Set the graph area position
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* @param int $X1
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* @param int $Y1
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* @param int $X2
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* @param int $Y2
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* @return int|null
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*/
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public function setGraphArea($X1, $Y1, $X2, $Y2)
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{
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if ($X2 < $X1 || $X1 == $X2 || $Y2 < $Y1 || $Y1 == $Y2) {
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return -1;
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}
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$this->GraphAreaX1 = $X1;
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$this->DataSet->Data["GraphArea"]["X1"] = $X1;
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$this->GraphAreaY1 = $Y1;
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$this->DataSet->Data["GraphArea"]["Y1"] = $Y1;
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$this->GraphAreaX2 = $X2;
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$this->DataSet->Data["GraphArea"]["X2"] = $X2;
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$this->GraphAreaY2 = $Y2;
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$this->DataSet->Data["GraphArea"]["Y2"] = $Y2;
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}
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/**
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* Return the width of the picture
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* @return int
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*/
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public function getWidth()
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{
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return $this->XSize;
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}
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/**
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* Return the heigth of the picture
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* @return int
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*/
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public function getHeight()
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{
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return $this->YSize;
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}
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/**
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* Render the picture to a file
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* @param string $FileName
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*/
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public function render($FileName)
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{
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if ($this->TransparentBackground) {
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imagealphablending($this->Picture, false);
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imagesavealpha($this->Picture, true);
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}
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imagepng($this->Picture, $FileName);
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}
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public function __toString()
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{
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if ($this->TransparentBackground) {
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imagealphablending($this->Picture, false);
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imagesavealpha($this->Picture, true);
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}
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ob_start();
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imagepng($this->Picture);
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return ob_get_clean();
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}
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public function toDataURI()
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{
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return 'data:image/png;base64,' . base64_encode($this->__toString());
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}
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/**
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* Render the picture to a web browser stream
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* @param boolean $BrowserExpire
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*/
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public function stroke($BrowserExpire = false)
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{
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if ($this->TransparentBackground) {
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imagealphablending($this->Picture, false);
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imagesavealpha($this->Picture, true);
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}
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if ($BrowserExpire) {
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header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
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header("Cache-Control: no-cache");
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header("Pragma: no-cache");
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}
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header('Content-type: image/png');
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imagepng($this->Picture);
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}
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/**
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* Automatic output method based on the calling interface
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* @param string $FileName
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*/
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public function autoOutput($FileName = "output.png")
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{
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if (php_sapi_name() == "cli") {
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$this->Render($FileName);
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} else {
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$this->Stroke();
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}
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}
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/**
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* Return the length between two points
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* @param int $X1
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* @param int $Y1
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* @param int $X2
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* @param int $Y2
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* @return float
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*/
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public function getLength($X1, $Y1, $X2, $Y2)
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{
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return sqrt(
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pow(max($X1, $X2) - min($X1, $X2), 2) + pow(max($Y1, $Y2) - min($Y1, $Y2), 2)
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);
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}
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/**
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* Return the orientation of a line
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* @param int $X1
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* @param int $Y1
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* @param int $X2
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* @param int $Y2
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* @return int
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*/
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public function getAngle($X1, $Y1, $X2, $Y2)
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{
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$Opposite = $Y2 - $Y1;
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$Adjacent = $X2 - $X1;
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$Angle = rad2deg(atan2($Opposite, $Adjacent));
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if ($Angle > 0) {
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return $Angle;
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} else {
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return 360 - abs($Angle);
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}
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}
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/**
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* Return the surrounding box of text area
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* @param int $X
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* @param int $Y
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* @param string $FontName
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* @param int $FontSize
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* @param int $Angle
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* @param int $Text
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* @return array
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*/
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public function getTextBox($X, $Y, $FontName, $FontSize, $Angle, $Text)
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{
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$coords = imagettfbbox($FontSize, 0, $this->loadFont($FontName, 'fonts'), $Text);
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$a = deg2rad($Angle);
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$ca = cos($a);
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$sa = sin($a);
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$RealPos = [];
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for ($i = 0; $i < 7; $i += 2) {
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$RealPos[$i / 2]["X"] = $X + round($coords[$i] * $ca + $coords[$i + 1] * $sa);
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$RealPos[$i / 2]["Y"] = $Y + round($coords[$i + 1] * $ca - $coords[$i] * $sa);
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}
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$RealPos[TEXT_ALIGN_BOTTOMLEFT]["X"] = $RealPos[0]["X"];
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$RealPos[TEXT_ALIGN_BOTTOMLEFT]["Y"] = $RealPos[0]["Y"];
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$RealPos[TEXT_ALIGN_BOTTOMRIGHT]["X"] = $RealPos[1]["X"];
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$RealPos[TEXT_ALIGN_BOTTOMRIGHT]["Y"] = $RealPos[1]["Y"];
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$RealPos[TEXT_ALIGN_TOPLEFT]["X"] = $RealPos[3]["X"];
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$RealPos[TEXT_ALIGN_TOPLEFT]["Y"] = $RealPos[3]["Y"];
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$RealPos[TEXT_ALIGN_TOPRIGHT]["X"] = $RealPos[2]["X"];
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$RealPos[TEXT_ALIGN_TOPRIGHT]["Y"] = $RealPos[2]["Y"];
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$RealPos[TEXT_ALIGN_BOTTOMMIDDLE]["X"] = ($RealPos[1]["X"] - $RealPos[0]["X"]) / 2 + $RealPos[0]["X"];
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$RealPos[TEXT_ALIGN_BOTTOMMIDDLE]["Y"] = ($RealPos[0]["Y"] - $RealPos[1]["Y"]) / 2 + $RealPos[1]["Y"];
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$RealPos[TEXT_ALIGN_TOPMIDDLE]["X"] = ($RealPos[2]["X"] - $RealPos[3]["X"]) / 2 + $RealPos[3]["X"];
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$RealPos[TEXT_ALIGN_TOPMIDDLE]["Y"] = ($RealPos[3]["Y"] - $RealPos[2]["Y"]) / 2 + $RealPos[2]["Y"];
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$RealPos[TEXT_ALIGN_MIDDLELEFT]["X"] = ($RealPos[0]["X"] - $RealPos[3]["X"]) / 2 + $RealPos[3]["X"];
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$RealPos[TEXT_ALIGN_MIDDLELEFT]["Y"] = ($RealPos[0]["Y"] - $RealPos[3]["Y"]) / 2 + $RealPos[3]["Y"];
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$RealPos[TEXT_ALIGN_MIDDLERIGHT]["X"] = ($RealPos[1]["X"] - $RealPos[2]["X"]) / 2 + $RealPos[2]["X"];
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$RealPos[TEXT_ALIGN_MIDDLERIGHT]["Y"] = ($RealPos[1]["Y"] - $RealPos[2]["Y"]) / 2 + $RealPos[2]["Y"];
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$RealPos[TEXT_ALIGN_MIDDLEMIDDLE]["X"] = ($RealPos[1]["X"] - $RealPos[3]["X"]) / 2 + $RealPos[3]["X"];
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$RealPos[TEXT_ALIGN_MIDDLEMIDDLE]["Y"] = ($RealPos[0]["Y"] - $RealPos[2]["Y"]) / 2 + $RealPos[2]["Y"];
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return $RealPos;
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}
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/**
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* Set current font properties
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* @param array $Format
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*/
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public function setFontProperties($Format = [])
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{
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$R = isset($Format["R"]) ? $Format["R"] : -1;
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$G = isset($Format["G"]) ? $Format["G"] : -1;
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$B = isset($Format["B"]) ? $Format["B"] : -1;
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$Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
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$FontName = isset($Format["FontName"]) ? $Format["FontName"] : null;
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$FontSize = isset($Format["FontSize"]) ? $Format["FontSize"] : null;
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if ($R != -1) {
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$this->FontColorR = $R;
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}
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if ($G != -1) {
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$this->FontColorG = $G;
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}
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if ($B != -1) {
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$this->FontColorB = $B;
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}
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if ($Alpha != null) {
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$this->FontColorA = $Alpha;
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}
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if ($FontName != null) {
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$this->FontName = $this->loadFont($FontName, 'fonts');
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}
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if ($FontSize != null) {
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$this->FontSize = $FontSize;
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}
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}
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/**
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* Returns the 1st decimal values (used to correct AA bugs)
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* @param mixed $Value
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* @return mixed
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*/
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public function getFirstDecimal($Value)
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{
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$Values = preg_split("/\./", $Value);
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if (isset($Values[1])) {
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return substr($Values[1], 0, 1);
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} else {
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return 0;
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}
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}
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/**
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* Attach a dataset to your pChart Object
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* @param Data $DataSet
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*/
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public function setDataSet(Data $DataSet)
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{
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$this->DataSet = $DataSet;
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}
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/**
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* Print attached dataset contents to STDOUT
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*/
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public function printDataSet()
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{
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print_r($this->DataSet);
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}
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/**
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* Initialise the image map methods
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* @param string $Name
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* @param int $StorageMode
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* @param string $UniqueID
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* @param string $StorageFolder
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*/
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public function initialiseImageMap(
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$Name = "pChart",
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$StorageMode = IMAGE_MAP_STORAGE_SESSION,
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$UniqueID = "imageMap",
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$StorageFolder = "tmp"
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) {
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$this->ImageMapIndex = $Name;
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$this->ImageMapStorageMode = $StorageMode;
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if ($StorageMode == IMAGE_MAP_STORAGE_SESSION) {
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if (!isset($_SESSION)) {
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session_start();
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}
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$_SESSION[$this->ImageMapIndex] = null;
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} elseif ($StorageMode == IMAGE_MAP_STORAGE_FILE) {
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$this->ImageMapFileName = $UniqueID;
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$this->ImageMapStorageFolder = $StorageFolder;
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$path = sprintf("%s/%s.map", $StorageFolder, $UniqueID);
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if (file_exists($path)) {
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unlink($path);
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}
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}
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}
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/**
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* Add a zone to the image map
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*
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* @param string $Type
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* @param string $Plots
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* @param string|null $Color
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* @param string $Title
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* @param string $Message
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* @param boolean $HTMLEncode
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*/
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public function addToImageMap(
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$Type,
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$Plots,
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$Color = null,
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$Title = null,
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$Message = null,
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$HTMLEncode = false
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) {
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if ($this->ImageMapStorageMode == null) {
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$this->initialiseImageMap();
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}
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/* Encode the characters in the imagemap in HTML standards */
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$Title = htmlentities(
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str_replace("€", "\u20AC", $Title),
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ENT_QUOTES,
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"ISO-8859-15"
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);
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if ($HTMLEncode) {
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$Message = str_replace(
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">",
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">",
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str_replace(
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"<",
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"<",
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htmlentities($Message, ENT_QUOTES, "ISO-8859-15")
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)
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);
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}
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if ($this->ImageMapStorageMode == IMAGE_MAP_STORAGE_SESSION) {
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if (!isset($_SESSION)) {
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$this->initialiseImageMap();
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}
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$_SESSION[$this->ImageMapIndex][] = [$Type, $Plots, $Color, $Title, $Message];
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} elseif ($this->ImageMapStorageMode == IMAGE_MAP_STORAGE_FILE) {
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$Handle = fopen(
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sprintf("%s/%s.map", $this->ImageMapStorageFolder, $this->ImageMapFileName),
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'a'
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);
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fwrite(
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$Handle,
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sprintf(
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"%s%s%s%s%s%s%s%s%s\r\n",
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$Type,
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IMAGE_MAP_DELIMITER,
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$Plots,
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IMAGE_MAP_DELIMITER,
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$Color,
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IMAGE_MAP_DELIMITER,
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$Title,
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IMAGE_MAP_DELIMITER,
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$Message
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)
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);
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fclose($Handle);
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}
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}
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/**
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* Remove VOID values from an imagemap custom values array
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* @param string $SerieName
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* @param array $Values
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* @return array
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*/
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public function removeVOIDFromArray($SerieName, array $Values)
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{
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if (!isset($this->DataSet->Data["Series"][$SerieName])) {
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return -1;
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}
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$Result = [];
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foreach ($this->DataSet->Data["Series"][$SerieName]["Data"] as $Key => $Value) {
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if ($Value != VOID && isset($Values[$Key])) {
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$Result[] = $Values[$Key];
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}
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}
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return $Result;
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}
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|
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/**
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* Replace the title of one image map serie
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* @param string $OldTitle
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* @param string|array $NewTitle
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* @return null|int
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*/
|
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public function replaceImageMapTitle($OldTitle, $NewTitle)
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{
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if ($this->ImageMapStorageMode == null) {
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return -1;
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}
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if (is_array($NewTitle)) {
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$NewTitle = $this->removeVOIDFromArray($OldTitle, $NewTitle);
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}
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if ($this->ImageMapStorageMode == IMAGE_MAP_STORAGE_SESSION) {
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if (!isset($_SESSION)) {
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return -1;
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}
|
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if (is_array($NewTitle)) {
|
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$ID = 0;
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foreach ($_SESSION[$this->ImageMapIndex] as $Key => $Settings) {
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if ($Settings[3] == $OldTitle && isset($NewTitle[$ID])) {
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$_SESSION[$this->ImageMapIndex][$Key][3] = $NewTitle[$ID];
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$ID++;
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}
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}
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} else {
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foreach ($_SESSION[$this->ImageMapIndex] as $Key => $Settings) {
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if ($Settings[3] == $OldTitle) {
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$_SESSION[$this->ImageMapIndex][$Key][3] = $NewTitle;
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}
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}
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}
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} elseif ($this->ImageMapStorageMode == IMAGE_MAP_STORAGE_FILE) {
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$TempArray = [];
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$Handle = $this->openFileHandle();
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if ($Handle) {
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while (($Buffer = fgets($Handle, 4096)) !== false) {
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$Fields = preg_split(
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sprintf("/%s/", IMAGE_MAP_DELIMITER),
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str_replace([chr(10), chr(13)], "", $Buffer)
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);
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$TempArray[] = [$Fields[0], $Fields[1], $Fields[2], $Fields[3], $Fields[4]];
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}
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fclose($Handle);
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if (is_array($NewTitle)) {
|
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$ID = 0;
|
|
foreach ($TempArray as $Key => $Settings) {
|
|
if ($Settings[3] == $OldTitle && isset($NewTitle[$ID])) {
|
|
$TempArray[$Key][3] = $NewTitle[$ID];
|
|
$ID++;
|
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}
|
|
}
|
|
} else {
|
|
foreach ($TempArray as $Key => $Settings) {
|
|
if ($Settings[3] == $OldTitle) {
|
|
$TempArray[$Key][3] = $NewTitle;
|
|
}
|
|
}
|
|
}
|
|
|
|
$Handle = $this->openFileHandle("w");
|
|
foreach ($TempArray as $Key => $Settings) {
|
|
fwrite(
|
|
$Handle,
|
|
sprintf(
|
|
"%s%s%s%s%s%s%s%s%s\r\n",
|
|
$Settings[0],
|
|
IMAGE_MAP_DELIMITER,
|
|
$Settings[1],
|
|
IMAGE_MAP_DELIMITER,
|
|
$Settings[2],
|
|
IMAGE_MAP_DELIMITER,
|
|
$Settings[3],
|
|
IMAGE_MAP_DELIMITER,
|
|
$Settings[4]
|
|
)
|
|
);
|
|
}
|
|
fclose($Handle);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Replace the values of the image map contents
|
|
* @param string $Title
|
|
* @param array $Values
|
|
* @return null|int
|
|
*/
|
|
public function replaceImageMapValues($Title, array $Values)
|
|
{
|
|
if ($this->ImageMapStorageMode == null) {
|
|
return -1;
|
|
}
|
|
|
|
$Values = $this->removeVOIDFromArray($Title, $Values);
|
|
$ID = 0;
|
|
if ($this->ImageMapStorageMode == IMAGE_MAP_STORAGE_SESSION) {
|
|
if (!isset($_SESSION)) {
|
|
return -1;
|
|
}
|
|
foreach ($_SESSION[$this->ImageMapIndex] as $Key => $Settings) {
|
|
if ($Settings[3] == $Title) {
|
|
if (isset($Values[$ID])) {
|
|
$_SESSION[$this->ImageMapIndex][$Key][4] = $Values[$ID];
|
|
}
|
|
$ID++;
|
|
}
|
|
}
|
|
} elseif ($this->ImageMapStorageMode == IMAGE_MAP_STORAGE_FILE) {
|
|
$TempArray = [];
|
|
$Handle = $this->openFileHandle();
|
|
if ($Handle) {
|
|
while (($Buffer = fgets($Handle, 4096)) !== false) {
|
|
$Fields = preg_split(
|
|
"/" . IMAGE_MAP_DELIMITER . "/",
|
|
str_replace([chr(10), chr(13)], "", $Buffer)
|
|
);
|
|
$TempArray[] = [$Fields[0], $Fields[1], $Fields[2], $Fields[3], $Fields[4]];
|
|
}
|
|
fclose($Handle);
|
|
|
|
foreach ($TempArray as $Key => $Settings) {
|
|
if ($Settings[3] == $Title) {
|
|
if (isset($Values[$ID])) {
|
|
$TempArray[$Key][4] = $Values[$ID];
|
|
}
|
|
$ID++;
|
|
}
|
|
}
|
|
|
|
$Handle = $this->openFileHandle("w");
|
|
foreach ($TempArray as $Key => $Settings) {
|
|
fwrite(
|
|
$Handle,
|
|
sprintf(
|
|
"%s%s%s%s%s%s%s%s%s\r\n",
|
|
$Settings[0],
|
|
IMAGE_MAP_DELIMITER,
|
|
$Settings[1],
|
|
IMAGE_MAP_DELIMITER,
|
|
$Settings[2],
|
|
IMAGE_MAP_DELIMITER,
|
|
$Settings[3],
|
|
IMAGE_MAP_DELIMITER,
|
|
$Settings[4]
|
|
)
|
|
);
|
|
}
|
|
fclose($Handle);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Dump the image map
|
|
* @param string $Name
|
|
* @param int $StorageMode
|
|
* @param string $UniqueID
|
|
* @param string $StorageFolder
|
|
*/
|
|
public function dumpImageMap(
|
|
$Name = "pChart",
|
|
$StorageMode = IMAGE_MAP_STORAGE_SESSION,
|
|
$UniqueID = "imageMap",
|
|
$StorageFolder = "tmp"
|
|
) {
|
|
$this->ImageMapIndex = $Name;
|
|
$this->ImageMapStorageMode = $StorageMode;
|
|
|
|
if ($this->ImageMapStorageMode == IMAGE_MAP_STORAGE_SESSION) {
|
|
if (!isset($_SESSION)) {
|
|
session_start();
|
|
}
|
|
if ($_SESSION[$Name] != null) {
|
|
foreach ($_SESSION[$Name] as $Key => $Params) {
|
|
echo $Params[0] . IMAGE_MAP_DELIMITER . $Params[1]
|
|
. IMAGE_MAP_DELIMITER . $Params[2] . IMAGE_MAP_DELIMITER
|
|
. $Params[3] . IMAGE_MAP_DELIMITER . $Params[4] . "\r\n";
|
|
}
|
|
}
|
|
} elseif ($this->ImageMapStorageMode == IMAGE_MAP_STORAGE_FILE) {
|
|
if (file_exists($StorageFolder . "/" . $UniqueID . ".map")) {
|
|
$Handle = @fopen($StorageFolder . "/" . $UniqueID . ".map", "r");
|
|
if ($Handle) {
|
|
while (($Buffer = fgets($Handle, 4096)) !== false) {
|
|
echo $Buffer;
|
|
}
|
|
}
|
|
fclose($Handle);
|
|
|
|
if ($this->ImageMapAutoDelete) {
|
|
unlink($StorageFolder . "/" . $UniqueID . ".map");
|
|
}
|
|
}
|
|
}
|
|
|
|
/* When the image map is returned to the client, the script ends */
|
|
exit();
|
|
}
|
|
|
|
/**
|
|
* Return the HTML converted color from the RGB composite values
|
|
* @param int $R
|
|
* @param int $G
|
|
* @param int $B
|
|
* @return string
|
|
*/
|
|
public function toHTMLColor($R, $G, $B)
|
|
{
|
|
$R = intval($R);
|
|
$G = intval($G);
|
|
$B = intval($B);
|
|
$R = dechex($R < 0 ? 0 : ($R > 255 ? 255 : $R));
|
|
$G = dechex($G < 0 ? 0 : ($G > 255 ? 255 : $G));
|
|
$B = dechex($B < 0 ? 0 : ($B > 255 ? 255 : $B));
|
|
$Color = "#" . (strlen($R) < 2 ? '0' : '') . $R;
|
|
$Color .= (strlen($G) < 2 ? '0' : '') . $G;
|
|
$Color .= (strlen($B) < 2 ? '0' : '') . $B;
|
|
|
|
return $Color;
|
|
}
|
|
|
|
/**
|
|
* Reverse an array of points
|
|
* @param array $Plots
|
|
* @return array
|
|
*/
|
|
public function reversePlots(array $Plots)
|
|
{
|
|
$Result = [];
|
|
for ($i = count($Plots) - 2; $i >= 0; $i = $i - 2) {
|
|
$Result[] = $Plots[$i];
|
|
$Result[] = $Plots[$i + 1];
|
|
}
|
|
return $Result;
|
|
}
|
|
|
|
/**
|
|
* Mirror Effect
|
|
* @param int $X
|
|
* @param int $Y
|
|
* @param int $Width
|
|
* @param int $Height
|
|
* @param array $Format
|
|
*/
|
|
public function drawAreaMirror($X, $Y, $Width, $Height, array $Format = [])
|
|
{
|
|
$StartAlpha = isset($Format["StartAlpha"]) ? $Format["StartAlpha"] : 80;
|
|
$EndAlpha = isset($Format["EndAlpha"]) ? $Format["EndAlpha"] : 0;
|
|
|
|
$AlphaStep = ($StartAlpha - $EndAlpha) / $Height;
|
|
|
|
$Picture = imagecreatetruecolor($this->XSize, $this->YSize);
|
|
imagecopy($Picture, $this->Picture, 0, 0, 0, 0, $this->XSize, $this->YSize);
|
|
|
|
for ($i = 1; $i <= $Height; $i++) {
|
|
if ($Y + ($i - 1) < $this->YSize && $Y - $i > 0) {
|
|
imagecopymerge(
|
|
$Picture,
|
|
$this->Picture,
|
|
$X,
|
|
$Y + ($i - 1),
|
|
$X,
|
|
$Y - $i,
|
|
$Width,
|
|
1,
|
|
$StartAlpha - $AlphaStep * $i
|
|
);
|
|
}
|
|
}
|
|
|
|
imagecopy($this->Picture, $Picture, 0, 0, 0, 0, $this->XSize, $this->YSize);
|
|
}
|
|
|
|
/**
|
|
* Open a handle to image storage file.
|
|
* @param string $mode
|
|
* @return resource
|
|
*/
|
|
private function openFileHandle($mode = "r")
|
|
{
|
|
return @fopen(
|
|
sprintf("%s/%s.map", $this->ImageMapStorageFolder, $this->ImageMapFileName),
|
|
$mode
|
|
);
|
|
}
|
|
}
|