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587 lines
23 KiB
PHP
587 lines
23 KiB
PHP
<?php
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/*
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pDraw - pChart core class
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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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This file can be distributed under the license you can find at :
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http://www.pchart.net/license
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You can find the whole class documentation on the pChart web site.
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*/
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/* The GD extension is mandatory */
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if (!extension_loaded('gd') && !extension_loaded('gd2')) {
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echo "GD extension must be loaded. \r\n";
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exit();
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}
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/* Image map handling */
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define("IMAGE_MAP_STORAGE_FILE", 680001);
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define("IMAGE_MAP_STORAGE_SESSION", 680002);
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/* Last generated chart layout */
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define("CHART_LAST_LAYOUT_REGULAR", 680011);
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define("CHART_LAST_LAYOUT_STACKED", 680012);
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/* ImageMap string delimiter */
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define("IMAGE_MAP_DELIMITER", chr(1));
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#[\AllowDynamicProperties]
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class pImage extends pDraw
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{
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/* Image settings, size, quality, .. */
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public $XSize = null; // Width of the picture
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public $YSize = null; // Height of the picture
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public $Picture = null; // GD picture object
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public $Antialias = true; // Turn antialias on or off
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public $AntialiasQuality = 0; // Quality of the antialiasing implementation (0-1)
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public $Mask = ""; // Already drawn pixels mask (Filled circle implementation)
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public $TransparentBackground = false; // Just to know if we need to flush the alpha channels when rendering
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/* Graph area settings */
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public $GraphAreaX1 = null; // Graph area X origin
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public $GraphAreaY1 = null; // Graph area Y origin
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public $GraphAreaX2 = null; // Graph area bottom right X position
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public $GraphAreaY2 = null; // Graph area bottom right Y position
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/* Scale settings */
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public $ScaleMinDivHeight = 20; // Minimum height for scame divs
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/* Font properties */
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public $FontName = "fonts/GeosansLight.ttf"; // Default font file
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public $FontSize = 12; // Default font size
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public $FontBox = null; // Return the bounding box of the last written string
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public $FontColorR = 0; // Default color settings
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public $FontColorG = 0; // Default color settings
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public $FontColorB = 0; // Default color settings
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public $FontColorA = 100; // Default transparency
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/* Shadow properties */
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public $Shadow = false; // Turn shadows on or off
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public $ShadowX = null; // X Offset of the shadow
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public $ShadowY = null; // Y Offset of the shadow
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public $ShadowR = null; // R component of the shadow
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public $ShadowG = null; // G component of the shadow
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public $ShadowB = null; // B component of the shadow
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public $Shadowa = null; // Alpha level of the shadow
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/* Image map */
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public $ImageMap = null; // Aray containing the image map
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public $ImageMapIndex = "pChart"; // Name of the session array
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public $ImageMapStorageMode = null; // Save the current imagemap storage mode
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public $ImageMapAutoDelete = true; // Automatic deletion of the image map temp files
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/* Data Set */
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public $DataSet = null; // Attached dataset
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/* Last generated chart info */
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public $LastChartLayout = CHART_LAST_LAYOUT_REGULAR; // Last layout : regular or stacked
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/* Class constructor */
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public function __construct($XSize, $YSize, $DataSet = null, $TransparentBackground = false)
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{
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$this->TransparentBackground = $TransparentBackground;
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if ($DataSet != null) {
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$this->DataSet = $DataSet;
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}
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$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($this->Picture, false);
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imagefilledrectangle($this->Picture, 0, 0, $XSize, $YSize, imagecolorallocatealpha($this->Picture, 255, 255, 255, 127));
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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, $C_White);
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}
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}
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/* Enable / Disable and set shadow properties */
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public function setShadow($Enabled=true, $Format="")
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{
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$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 = $Alpha;
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}
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/* Set the graph area position */
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public function setGraphArea($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"] = $Y2;
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}
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/* Return the width of the picture */
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public function getWidth()
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{
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return($this->XSize);
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}
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/* Return the heigth of the picture */
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public function getHeight()
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{
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return($this->YSize);
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}
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/* Render the picture to a file */
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public function render($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, $FileName);
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}
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/* Render the picture to a web browser stream */
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public function stroke($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($this->Picture);
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}
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/* Automatic output method based on the calling interface */
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public function autoOutput($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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$this->Stroke();
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}
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}
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/* Return the length between two points */
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public function getLength($X1, $Y1, $X2, $Y2)
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{
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return(sqrt(pow(max($X1, $X2)-min($X1, $X2), 2)+pow(max($Y1, $Y2)-min($Y1, $Y2), 2)));
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}
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/* Return the orientation of a line */
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public function getAngle($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($Angle);
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}
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return(360-abs($Angle));
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}
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/* Return the surrounding box of text area */
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public function getTextBox_deprecated($X, $Y, $FontName, $FontSize, $Angle, $Text)
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{
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$Size = imagettfbbox($FontSize, $Angle, $FontName, $Text);
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$Width = $this->getLength($Size[0], $Size[1], $Size[2], $Size[3])+1;
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$Height = $this->getLength($Size[2], $Size[3], $Size[4], $Size[5])+1;
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$RealPos = [];
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$RealPos[0]["X"] = $X;
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$RealPos[0]["Y"] = $Y;
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$RealPos[1]["X"] = cos((360-$Angle)*PI/180)*$Width + $RealPos[0]["X"];
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$RealPos[1]["Y"] = sin((360-$Angle)*PI/180)*$Width + $RealPos[0]["Y"];
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$RealPos[2]["X"] = cos((270-$Angle)*PI/180)*$Height + $RealPos[1]["X"];
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$RealPos[2]["Y"] = sin((270-$Angle)*PI/180)*$Height + $RealPos[1]["Y"];
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$RealPos[3]["X"] = cos((180-$Angle)*PI/180)*$Width + $RealPos[2]["X"];
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$RealPos[3]["Y"] = sin((180-$Angle)*PI/180)*$Width + $RealPos[2]["Y"];
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$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"] = $RealPos[1]["Y"];
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return($RealPos);
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}
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/* Return the surrounding box of text area */
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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, $FontName, $Text);
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$a = deg2rad($Angle);
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$ca = cos($a);
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$sa = sin($a);
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$RealPos = array();
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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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/* Set current font properties */
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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 = $FontName;
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}
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if ($FontSize != null) {
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$this->FontSize = $FontSize;
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}
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}
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/* Returns the 1st decimal values (used to correct AA bugs) */
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public function getFirstDecimal($Value)
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{
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$Values = preg_split("/\./", (string) $Value);
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if (isset($Values[1])) {
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return(substr($Values[1], 0, 1));
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}
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return(0);
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}
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/* Attach a dataset to your pChart Object */
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public function setDataSet(&$DataSet)
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{
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$this->DataSet = $DataSet;
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}
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/* Print attached dataset contents to STDOUT */
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public function printDataSet()
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{
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print_r($this->DataSet);
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}
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/* Initialise the image map methods */
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public function initialiseImageMap($Name="pChart", $StorageMode=IMAGE_MAP_STORAGE_SESSION, $UniqueID="imageMap", $StorageFolder="tmp")
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{
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$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 = $StorageFolder;
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if (file_exists($StorageFolder."/".$UniqueID.".map")) {
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unlink($StorageFolder."/".$UniqueID.".map");
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}
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}
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}
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/* Add a zone to the image map */
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public function addToImageMap($Type, $Plots, $Color=null, $Title=null, $Message=null, $HTMLEncode=false)
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{
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if ($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 = str_replace("€", "\u20AC", (string) $Title);
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$Title = htmlentities($Title, ENT_QUOTES, "ISO-8859-15");
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if ($HTMLEncode) {
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$Message = htmlentities((string) $Message, ENT_QUOTES, "ISO-8859-15");
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$Message = str_replace("<", "<", $Message);
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$Message = str_replace(">", ">", $Message);
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}
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if ($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][] = array($Type,$Plots,$Color,$Title,$Message);
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} elseif ($this->ImageMapStorageMode == IMAGE_MAP_STORAGE_FILE) {
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$Handle = fopen($this->ImageMapStorageFolder."/".$this->ImageMapFileName.".map", 'ab');
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fwrite($Handle, $Type.IMAGE_MAP_DELIMITER.$Plots.IMAGE_MAP_DELIMITER.$Color.IMAGE_MAP_DELIMITER.$Title.IMAGE_MAP_DELIMITER.$Message."\r\n");
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fclose($Handle);
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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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public function removeVOIDFromArray($SerieName, $Values)
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{
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if (!isset($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($Result);
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}
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/* Replace the title of one image map serie */
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public function replaceImageMapTitle($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 = @fopen($this->ImageMapStorageFolder."/".$this->ImageMapFileName.".map", 'rb');
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if ($Handle) {
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while (($Buffer = fgets($Handle, 4096)) !== false) {
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$Fields = preg_split("/".IMAGE_MAP_DELIMITER."/", str_replace(array(chr(10),chr(13)), "", $Buffer));
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$TempArray[] = array($Fields[0],$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;
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foreach ($TempArray as $Key => $Settings) {
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if ($Settings[3] == $OldTitle && isset($NewTitle[$ID])) {
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$TempArray[$Key][3] = $NewTitle[$ID];
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$ID++;
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}
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}
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} else {
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foreach ($TempArray as $Key => $Settings) {
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if ($Settings[3] == $OldTitle) {
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$TempArray[$Key][3] = $NewTitle;
|
|
}
|
|
}
|
|
}
|
|
|
|
$Handle = fopen($this->ImageMapStorageFolder."/".$this->ImageMapFileName.".map", 'wb');
|
|
foreach ($TempArray as $Key => $Settings) {
|
|
fwrite($Handle, $Settings[0].IMAGE_MAP_DELIMITER.$Settings[1].IMAGE_MAP_DELIMITER.$Settings[2].IMAGE_MAP_DELIMITER.$Settings[3].IMAGE_MAP_DELIMITER.$Settings[4]."\r\n");
|
|
}
|
|
fclose($Handle);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Replace the values of the image map contents */
|
|
public function replaceImageMapValues($Title, $Values)
|
|
{
|
|
if ($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 = [];
|
|
$Handle = @fopen($this->ImageMapStorageFolder."/".$this->ImageMapFileName.".map", 'rb');
|
|
if ($Handle) {
|
|
while (($Buffer = fgets($Handle, 4096)) !== false) {
|
|
$Fields = preg_split("/".IMAGE_MAP_DELIMITER."/", str_replace(array(chr(10),chr(13)), "", $Buffer));
|
|
$TempArray[] = array($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++;
|
|
}
|
|
}
|
|
|
|
$Handle = fopen($this->ImageMapStorageFolder."/".$this->ImageMapFileName.".map", 'wb');
|
|
foreach ($TempArray as $Key => $Settings) {
|
|
fwrite($Handle, $Settings[0].IMAGE_MAP_DELIMITER.$Settings[1].IMAGE_MAP_DELIMITER.$Settings[2].IMAGE_MAP_DELIMITER.$Settings[3].IMAGE_MAP_DELIMITER.$Settings[4]."\r\n");
|
|
}
|
|
fclose($Handle);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Dump the image map */
|
|
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."/".$UniqueID.".map", 'rb');
|
|
if ($Handle) {
|
|
while (($Buffer = fgets($Handle, 4096)) !== false) {
|
|
echo $Buffer;
|
|
}
|
|
}
|
|
fclose($Handle);
|
|
|
|
if ($this->ImageMapAutoDelete) {
|
|
unlink($StorageFolder."/".$UniqueID.".map");
|
|
}
|
|
}
|
|
}
|
|
|
|
/* When the image map is returned to the client, the script ends */
|
|
exit();
|
|
}
|
|
|
|
/* Return the HTML converted color from the RGB composite values */
|
|
public function toHTMLColor($R, $G, $B)
|
|
{
|
|
$R= (int)$R;
|
|
$G= (int)$G;
|
|
$B= (int)$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 */
|
|
public function reversePlots($Plots)
|
|
{
|
|
$Result = [];
|
|
for ($i=(is_countable($Plots) ? count($Plots) : 0)-2;$i>=0;$i=$i-2) {
|
|
$Result[] = $Plots[$i];
|
|
$Result[] = $Plots[$i+1];
|
|
}
|
|
return($Result);
|
|
}
|
|
|
|
/* Mirror Effect */
|
|
public function drawAreaMirror($X, $Y, $Width, $Height, $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);
|
|
}
|
|
}
|