%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
namespace CpChart\Chart;
use CpChart\Image;
/**
* Spring - class to draw spring graphs
*
* Version : 2.1.4
* Made by : Jean-Damien POGOLOTTI
* Last Update : 19/01/2014
*
* This file can be distributed under the license you can find at :
*
* http://www.pchart.net/license
*
* You can find the whole class documentation on the pChart web site.
*/
class Spring
{
/**
* @var array
*/
public $History = [];
/**
* @var array
*/
public $Data = [];
/**
* @var array
*/
public $Default = [];
/**
* @var array
*/
public $Labels = [];
/**
* @var array
*/
public $Links = [];
/**
* @var type
*/
public $pChartObject;
/**
* @var int
*/
public $X1;
/**
* @var int
*/
public $Y1;
/**
* @var int
*/
public $X2;
/**
* @var int
*/
public $Y2;
/**
* @var boolean
*/
public $AutoComputeFreeZone = false;
/**
* @var int|float
*/
private $MagneticForceA;
/**
* @var int|float
*/
private $MagneticForceR;
/**
* @var int|float
*/
private $RingSize;
public function __construct()
{
/* Set nodes defaults */
$this->Default["R"] = 255;
$this->Default["G"] = 255;
$this->Default["B"] = 255;
$this->Default["Alpha"] = 100;
$this->Default["BorderR"] = 0;
$this->Default["BorderG"] = 0;
$this->Default["BorderB"] = 0;
$this->Default["BorderAlpha"] = 100;
$this->Default["Surrounding"] = null;
$this->Default["BackgroundR"] = 255;
$this->Default["BackgroundG"] = 255;
$this->Default["BackgroundB"] = 255;
$this->Default["BackgroundAlpha"] = 0;
$this->Default["Force"] = 1;
$this->Default["NodeType"] = NODE_TYPE_FREE;
$this->Default["Size"] = 5;
$this->Default["Shape"] = NODE_SHAPE_CIRCLE;
$this->Default["FreeZone"] = 40;
$this->Default["LinkR"] = 0;
$this->Default["LinkG"] = 0;
$this->Default["LinkB"] = 0;
$this->Default["LinkAlpha"] = 0;
$this->Labels["Type"] = LABEL_CLASSIC;
$this->Labels["R"] = 0;
$this->Labels["G"] = 0;
$this->Labels["B"] = 0;
$this->Labels["Alpha"] = 100;
}
/**
* Set default links options
* @param array $Settings
*/
public function setLinkDefaults(array $Settings = [])
{
if (isset($Settings["R"])) {
$this->Default["LinkR"] = $Settings["R"];
}
if (isset($Settings["G"])) {
$this->Default["LinkG"] = $Settings["G"];
}
if (isset($Settings["B"])) {
$this->Default["LinkB"] = $Settings["B"];
}
if (isset($Settings["Alpha"])) {
$this->Default["LinkAlpha"] = $Settings["Alpha"];
}
}
/**
* Set default links options
* @param array $Settings
*/
public function setLabelsSettings(array $Settings = [])
{
if (isset($Settings["Type"])) {
$this->Labels["Type"] = $Settings["Type"];
}
if (isset($Settings["R"])) {
$this->Labels["R"] = $Settings["R"];
}
if (isset($Settings["G"])) {
$this->Labels["G"] = $Settings["G"];
}
if (isset($Settings["B"])) {
$this->Labels["B"] = $Settings["B"];
}
if (isset($Settings["Alpha"])) {
$this->Labels["Alpha"] = $Settings["Alpha"];
}
}
/**
* Auto compute the FreeZone size based on the number of connections
*/
public function autoFreeZone()
{
/* Check connections reciprocity */
foreach ($this->Data as $Key => $Settings) {
if (isset($Settings["Connections"])) {
$this->Data[$Key]["FreeZone"] = count($Settings["Connections"]) * 10 + 20;
} else {
$this->Data[$Key]["FreeZone"] = 20;
}
}
}
/**
* Set link properties
* @param int $FromNode
* @param int $ToNode
* @param array $Settings
* @return null|int
*/
public function linkProperties($FromNode, $ToNode, array $Settings)
{
if (!isset($this->Data[$FromNode])) {
return 0;
}
if (!isset($this->Data[$ToNode])) {
return 0;
}
$R = isset($Settings["R"]) ? $Settings["R"] : 0;
$G = isset($Settings["G"]) ? $Settings["G"] : 0;
$B = isset($Settings["B"]) ? $Settings["B"] : 0;
$Alpha = isset($Settings["Alpha"]) ? $Settings["Alpha"] : 100;
$Name = isset($Settings["Name"]) ? $Settings["Name"] : null;
$Ticks = isset($Settings["Ticks"]) ? $Settings["Ticks"] : null;
$this->Links[$FromNode][$ToNode]["R"] = $R;
$this->Links[$ToNode][$FromNode]["R"] = $R;
$this->Links[$FromNode][$ToNode]["G"] = $G;
$this->Links[$ToNode][$FromNode]["G"] = $G;
$this->Links[$FromNode][$ToNode]["B"] = $B;
$this->Links[$ToNode][$FromNode]["B"] = $B;
$this->Links[$FromNode][$ToNode]["Alpha"] = $Alpha;
$this->Links[$ToNode][$FromNode]["Alpha"] = $Alpha;
$this->Links[$FromNode][$ToNode]["Name"] = $Name;
$this->Links[$ToNode][$FromNode]["Name"] = $Name;
$this->Links[$FromNode][$ToNode]["Ticks"] = $Ticks;
$this->Links[$ToNode][$FromNode]["Ticks"] = $Ticks;
}
/**
* @param array $Settings
*/
public function setNodeDefaults(array $Settings = [])
{
if (isset($Settings["R"])) {
$this->Default["R"] = $Settings["R"];
}
if (isset($Settings["G"])) {
$this->Default["G"] = $Settings["G"];
}
if (isset($Settings["B"])) {
$this->Default["B"] = $Settings["B"];
}
if (isset($Settings["Alpha"])) {
$this->Default["Alpha"] = $Settings["Alpha"];
}
if (isset($Settings["BorderR"])) {
$this->Default["BorderR"] = $Settings["BorderR"];
}
if (isset($Settings["BorderG"])) {
$this->Default["BorderG"] = $Settings["BorderG"];
}
if (isset($Settings["BorderB"])) {
$this->Default["BorderB"] = $Settings["BorderB"];
}
if (isset($Settings["BorderAlpha"])) {
$this->Default["BorderAlpha"] = $Settings["BorderAlpha"];
}
if (isset($Settings["Surrounding"])) {
$this->Default["Surrounding"] = $Settings["Surrounding"];
}
if (isset($Settings["BackgroundR"])) {
$this->Default["BackgroundR"] = $Settings["BackgroundR"];
}
if (isset($Settings["BackgroundG"])) {
$this->Default["BackgroundG"] = $Settings["BackgroundG"];
}
if (isset($Settings["BackgroundB"])) {
$this->Default["BackgroundB"] = $Settings["BackgroundB"];
}
if (isset($Settings["BackgroundAlpha"])) {
$this->Default["BackgroundAlpha"] = $Settings["BackgroundAlpha"];
}
if (isset($Settings["NodeType"])) {
$this->Default["NodeType"] = $Settings["NodeType"];
}
if (isset($Settings["Size"])) {
$this->Default["Size"] = $Settings["Size"];
}
if (isset($Settings["Shape"])) {
$this->Default["Shape"] = $Settings["Shape"];
}
if (isset($Settings["FreeZone"])) {
$this->Default["FreeZone"] = $Settings["FreeZone"];
}
}
/**
* Add a node
* @param int $NodeID
* @param array $Settings
* @return null|int
*/
public function addNode($NodeID, array $Settings = [])
{
/* if the node already exists, ignore */
if (isset($this->Data[$NodeID])) {
return 0;
}
$Name = isset($Settings["Name"]) ? $Settings["Name"] : "Node " . $NodeID;
$Connections = isset($Settings["Connections"]) ? $Settings["Connections"] : null;
$R = isset($Settings["R"]) ? $Settings["R"] : $this->Default["R"];
$G = isset($Settings["G"]) ? $Settings["G"] : $this->Default["G"];
$B = isset($Settings["B"]) ? $Settings["B"] : $this->Default["B"];
$Alpha = isset($Settings["Alpha"]) ? $Settings["Alpha"] : $this->Default["Alpha"];
$BorderR = isset($Settings["BorderR"]) ? $Settings["BorderR"] : $this->Default["BorderR"];
$BorderG = isset($Settings["BorderG"]) ? $Settings["BorderG"] : $this->Default["BorderG"];
$BorderB = isset($Settings["BorderB"]) ? $Settings["BorderB"] : $this->Default["BorderB"];
$BorderAlpha = isset($Settings["BorderAlpha"]) ? $Settings["BorderAlpha"] : $this->Default["BorderAlpha"];
$Surrounding = isset($Settings["Surrounding"]) ? $Settings["Surrounding"] : $this->Default["Surrounding"];
$BackgroundR = isset($Settings["BackgroundR"]) ? $Settings["BackgroundR"] : $this->Default["BackgroundR"];
$BackgroundG = isset($Settings["BackgroundG"]) ? $Settings["BackgroundG"] : $this->Default["BackgroundG"];
$BackgroundB = isset($Settings["BackgroundB"]) ? $Settings["BackgroundB"] : $this->Default["BackgroundB"];
$BackgroundAlpha = isset($Settings["BackgroundAlpha"])
? $Settings["BackgroundAlpha"] : $this->Default["BackgroundAlpha"]
;
$Force = isset($Settings["Force"]) ? $Settings["Force"] : $this->Default["Force"];
$NodeType = isset($Settings["NodeType"]) ? $Settings["NodeType"] : $this->Default["NodeType"];
$Size = isset($Settings["Size"]) ? $Settings["Size"] : $this->Default["Size"];
$Shape = isset($Settings["Shape"]) ? $Settings["Shape"] : $this->Default["Shape"];
$FreeZone = isset($Settings["FreeZone"]) ? $Settings["FreeZone"] : $this->Default["FreeZone"];
if ($Surrounding != null) {
$BorderR = $R + $Surrounding;
$BorderG = $G + $Surrounding;
$BorderB = $B + $Surrounding;
}
$this->Data[$NodeID]["R"] = $R;
$this->Data[$NodeID]["G"] = $G;
$this->Data[$NodeID]["B"] = $B;
$this->Data[$NodeID]["Alpha"] = $Alpha;
$this->Data[$NodeID]["BorderR"] = $BorderR;
$this->Data[$NodeID]["BorderG"] = $BorderG;
$this->Data[$NodeID]["BorderB"] = $BorderB;
$this->Data[$NodeID]["BorderAlpha"] = $BorderAlpha;
$this->Data[$NodeID]["BackgroundR"] = $BackgroundR;
$this->Data[$NodeID]["BackgroundG"] = $BackgroundG;
$this->Data[$NodeID]["BackgroundB"] = $BackgroundB;
$this->Data[$NodeID]["BackgroundAlpha"] = $BackgroundAlpha;
$this->Data[$NodeID]["Name"] = $Name;
$this->Data[$NodeID]["Force"] = $Force;
$this->Data[$NodeID]["Type"] = $NodeType;
$this->Data[$NodeID]["Size"] = $Size;
$this->Data[$NodeID]["Shape"] = $Shape;
$this->Data[$NodeID]["FreeZone"] = $FreeZone;
if ($Connections != null) {
if (is_array($Connections)) {
foreach ($Connections as $Key => $Value) {
$this->Data[$NodeID]["Connections"][] = $Value;
}
} else {
$this->Data[$NodeID]["Connections"][] = $Connections;
}
}
}
/**
* Set color attribute for a list of nodes
* @param array|string $Nodes
* @param array $Settings
*/
public function setNodesColor($Nodes, array $Settings = [])
{
if (is_array($Nodes)) {
foreach ($Nodes as $Key => $NodeID) {
if (isset($this->Data[$NodeID])) {
if (isset($Settings["R"])) {
$this->Data[$NodeID]["R"] = $Settings["R"];
}
if (isset($Settings["G"])) {
$this->Data[$NodeID]["G"] = $Settings["G"];
}
if (isset($Settings["B"])) {
$this->Data[$NodeID]["B"] = $Settings["B"];
}
if (isset($Settings["Alpha"])) {
$this->Data[$NodeID]["Alpha"] = $Settings["Alpha"];
}
if (isset($Settings["BorderR"])) {
$this->Data[$NodeID]["BorderR"] = $Settings["BorderR"];
}
if (isset($Settings["BorderG"])) {
$this->Data[$NodeID]["BorderG"] = $Settings["BorderG"];
}
if (isset($Settings["BorderB"])) {
$this->Data[$NodeID]["BorderB"] = $Settings["BorderB"];
}
if (isset($Settings["BorderAlpha"])) {
$this->Data[$NodeID]["BorderAlpha"] = $Settings["BorderAlpha"];
}
if (isset($Settings["Surrounding"])) {
$this->Data[$NodeID]["BorderR"] = $this->Data[$NodeID]["R"] + $Settings["Surrounding"];
$this->Data[$NodeID]["BorderG"] = $this->Data[$NodeID]["G"] + $Settings["Surrounding"];
$this->Data[$NodeID]["BorderB"] = $this->Data[$NodeID]["B"] + $Settings["Surrounding"];
}
}
}
} else {
if (isset($Settings["R"])) {
$this->Data[$Nodes]["R"] = $Settings["R"];
}
if (isset($Settings["G"])) {
$this->Data[$Nodes]["G"] = $Settings["G"];
}
if (isset($Settings["B"])) {
$this->Data[$Nodes]["B"] = $Settings["B"];
}
if (isset($Settings["Alpha"])) {
$this->Data[$Nodes]["Alpha"] = $Settings["Alpha"];
}
if (isset($Settings["BorderR"])) {
$this->Data[$Nodes]["BorderR"] = $Settings["BorderR"];
}
if (isset($Settings["BorderG"])) {
$this->Data[$Nodes]["BorderG"] = $Settings["BorderG"];
}
if (isset($Settings["BorderB"])) {
$this->Data[$Nodes]["BorderB"] = $Settings["BorderB"];
}
if (isset($Settings["BorderAlpha"])) {
$this->Data[$Nodes]["BorderAlpha"] = $Settings["BorderAlpha"];
}
if (isset($Settings["Surrounding"])) {
$this->Data[$Nodes]["BorderR"] = $this->Data[$NodeID]["R"] + $Settings["Surrounding"];
$this->Data[$NodeID]["BorderG"] = $this->Data[$NodeID]["G"] + $Settings["Surrounding"];
$this->Data[$NodeID]["BorderB"] = $this->Data[$NodeID]["B"] + $Settings["Surrounding"];
}
}
}
/**
* Returns all the nodes details
* @return array
*/
public function dumpNodes()
{
return $this->Data;
}
/**
* Check if a connection exists and create it if required
* @param string|int $SourceID
* @param string|int $TargetID
* @return boolean|null
*/
public function checkConnection($SourceID, $TargetID)
{
if (isset($this->Data[$SourceID]["Connections"])) {
foreach ($this->Data[$SourceID]["Connections"] as $ConnectionID) {
if ($TargetID == $ConnectionID) {
return true;
}
}
}
$this->Data[$SourceID]["Connections"][] = $TargetID;
}
/**
* Get the median linked nodes position
* @param string $Key
* @param int $X
* @param int $Y
* @return array
*/
public function getMedianOffset($Key, $X, $Y)
{
$Cpt = 1;
if (isset($this->Data[$Key]["Connections"])) {
foreach ($this->Data[$Key]["Connections"] as $NodeID) {
if (isset($this->Data[$NodeID]["X"])
&& isset($this->Data[$NodeID]["Y"])
) {
$X = $X + $this->Data[$NodeID]["X"];
$Y = $Y + $this->Data[$NodeID]["Y"];
$Cpt++;
}
}
}
return ["X" => $X / $Cpt, "Y" => $Y / $Cpt];
}
/**
* Return the ID of the attached partner with the biggest weight
* @param string $Key
* @return string
*/
public function getBiggestPartner($Key)
{
if (!isset($this->Data[$Key]["Connections"])) {
return "";
}
$MaxWeight = 0;
$Result = "";
foreach ($this->Data[$Key]["Connections"] as $Key => $PeerID) {
if ($this->Data[$PeerID]["Weight"] > $MaxWeight) {
$MaxWeight = $this->Data[$PeerID]["Weight"];
$Result = $PeerID;
}
}
return $Result;
}
/**
* Do the initial node positions computing pass
* @param int $Algorithm
*/
public function firstPass($Algorithm)
{
$CenterX = ($this->X2 - $this->X1) / 2 + $this->X1;
$CenterY = ($this->Y2 - $this->Y1) / 2 + $this->Y1;
/* Check connections reciprocity */
foreach ($this->Data as $Key => $Settings) {
if (isset($Settings["Connections"])) {
foreach ($Settings["Connections"] as $ID => $ConnectionID) {
$this->checkConnection($ConnectionID, $Key);
}
}
}
if ($this->AutoComputeFreeZone) {
$this->autoFreeZone();
}
/* Get the max number of connections */
$MaxConnections = 0;
foreach ($this->Data as $Key => $Settings) {
if (isset($Settings["Connections"])) {
if ($MaxConnections < count($Settings["Connections"])) {
$MaxConnections = count($Settings["Connections"]);
}
}
}
if ($Algorithm == ALGORITHM_WEIGHTED) {
foreach ($this->Data as $Key => $Settings) {
if ($Settings["Type"] == NODE_TYPE_CENTRAL) {
$this->Data[$Key]["X"] = $CenterX;
$this->Data[$Key]["Y"] = $CenterY;
}
if ($Settings["Type"] == NODE_TYPE_FREE) {
if (isset($Settings["Connections"])) {
$Connections = count($Settings["Connections"]);
} else {
$Connections = 0;
}
$Ring = $MaxConnections - $Connections;
$Angle = rand(0, 360);
$this->Data[$Key]["X"] = cos(deg2rad($Angle)) * ($Ring * $this->RingSize) + $CenterX;
$this->Data[$Key]["Y"] = sin(deg2rad($Angle)) * ($Ring * $this->RingSize) + $CenterY;
}
}
} elseif ($Algorithm == ALGORITHM_CENTRAL) {
/* Put a weight on each nodes */
foreach ($this->Data as $Key => $Settings) {
if (isset($Settings["Connections"])) {
$this->Data[$Key]["Weight"] = count($Settings["Connections"]);
} else {
$this->Data[$Key]["Weight"] = 0;
}
}
$MaxConnections = $MaxConnections + 1;
for ($i = $MaxConnections; $i >= 0; $i--) {
foreach ($this->Data as $Key => $Settings) {
if ($Settings["Type"] == NODE_TYPE_CENTRAL) {
$this->Data[$Key]["X"] = $CenterX;
$this->Data[$Key]["Y"] = $CenterY;
}
if ($Settings["Type"] == NODE_TYPE_FREE) {
if (isset($Settings["Connections"])) {
$Connections = count($Settings["Connections"]);
} else {
$Connections = 0;
}
if ($Connections == $i) {
$BiggestPartner = $this->getBiggestPartner($Key);
if ($BiggestPartner != "") {
$Ring = $this->Data[$BiggestPartner]["FreeZone"];
$Weight = $this->Data[$BiggestPartner]["Weight"];
$AngleDivision = 360 / $this->Data[$BiggestPartner]["Weight"];
$Done = false;
$Tries = 0;
while (!$Done && $Tries <= $Weight * 2) {
$Tries++;
$Angle = floor(rand(0, $Weight) * $AngleDivision);
if (!isset($this->Data[$BiggestPartner]["Angular"][$Angle])
|| !isset($this->Data[$BiggestPartner]["Angular"])
) {
$this->Data[$BiggestPartner]["Angular"][$Angle] = $Angle;
$Done = true;
}
}
if (!$Done) {
$Angle = rand(0, 360);
$this->Data[$BiggestPartner]["Angular"][$Angle] = $Angle;
}
$X = cos(deg2rad($Angle)) * ($Ring) + $this->Data[$BiggestPartner]["X"];
$Y = sin(deg2rad($Angle)) * ($Ring) + $this->Data[$BiggestPartner]["Y"];
$this->Data[$Key]["X"] = $X;
$this->Data[$Key]["Y"] = $Y;
}
}
}
}
}
} elseif ($Algorithm == ALGORITHM_CIRCULAR) {
$MaxConnections = $MaxConnections + 1;
for ($i = $MaxConnections; $i >= 0; $i--) {
foreach ($this->Data as $Key => $Settings) {
if ($Settings["Type"] == NODE_TYPE_CENTRAL) {
$this->Data[$Key]["X"] = $CenterX;
$this->Data[$Key]["Y"] = $CenterY;
}
if ($Settings["Type"] == NODE_TYPE_FREE) {
if (isset($Settings["Connections"])) {
$Connections = count($Settings["Connections"]);
} else {
$Connections = 0;
}
if ($Connections == $i) {
$Ring = $MaxConnections - $Connections;
$Angle = rand(0, 360);
$X = cos(deg2rad($Angle)) * ($Ring * $this->RingSize) + $CenterX;
$Y = sin(deg2rad($Angle)) * ($Ring * $this->RingSize) + $CenterY;
$MedianOffset = $this->getMedianOffset($Key, $X, $Y);
$this->Data[$Key]["X"] = $MedianOffset["X"];
$this->Data[$Key]["Y"] = $MedianOffset["Y"];
}
}
}
}
} elseif ($Algorithm == ALGORITHM_RANDOM) {
foreach ($this->Data as $Key => $Settings) {
if ($Settings["Type"] == NODE_TYPE_FREE) {
$this->Data[$Key]["X"] = $CenterX + rand(-20, 20);
$this->Data[$Key]["Y"] = $CenterY + rand(-20, 20);
}
if ($Settings["Type"] == NODE_TYPE_CENTRAL) {
$this->Data[$Key]["X"] = $CenterX;
$this->Data[$Key]["Y"] = $CenterY;
}
}
}
}
/**
* Compute one pass
*/
public function doPass()
{
/* Compute vectors */
foreach ($this->Data as $Key => $Settings) {
if ($Settings["Type"] != NODE_TYPE_CENTRAL) {
unset($this->Data[$Key]["Vectors"]);
$X1 = $Settings["X"];
$Y1 = $Settings["Y"];
/* Repulsion vectors */
foreach ($this->Data as $Key2 => $Settings2) {
if ($Key != $Key2) {
$X2 = $this->Data[$Key2]["X"];
$Y2 = $this->Data[$Key2]["Y"];
$FreeZone = $this->Data[$Key2]["FreeZone"];
$Distance = $this->getDistance($X1, $Y1, $X2, $Y2);
$Angle = $this->getAngle($X1, $Y1, $X2, $Y2) + 180;
/* Nodes too close, repulsion occurs */
if ($Distance < $FreeZone) {
$Force = log(pow(2, $FreeZone - $Distance));
if ($Force > 1) {
$this->Data[$Key]["Vectors"][] = [
"Type" => "R",
"Angle" => ((int) $Angle) % 360,
"Force" => $Force
];
}
}
}
}
/* Attraction vectors */
if (isset($Settings["Connections"])) {
foreach ($Settings["Connections"] as $ID => $NodeID) {
if (isset($this->Data[$NodeID])) {
$X2 = $this->Data[$NodeID]["X"];
$Y2 = $this->Data[$NodeID]["Y"];
$FreeZone = $this->Data[$Key2]["FreeZone"];
$Distance = $this->getDistance($X1, $Y1, $X2, $Y2);
$Angle = $this->getAngle($X1, $Y1, $X2, $Y2);
if ($Distance > $FreeZone) {
$Force = log(($Distance - $FreeZone) + 1);
} else {
$Force = log(($FreeZone - $Distance) + 1);
($Angle = $Angle + 180);
}
if ($Force > 1) {
$this->Data[$Key]["Vectors"][] = [
"Type" => "A",
"Angle" => ((int) $Angle) % 360,
"Force" => $Force
];
}
}
}
}
}
}
/* Move the nodes accoding to the vectors */
foreach ($this->Data as $Key => $Settings) {
$X = $Settings["X"];
$Y = $Settings["Y"];
if (isset($Settings["Vectors"]) && $Settings["Type"] != NODE_TYPE_CENTRAL) {
foreach ($Settings["Vectors"] as $ID => $Vector) {
$Type = $Vector["Type"];
$Force = $Vector["Force"];
$Angle = $Vector["Angle"];
$Factor = $Type == "A" ? $this->MagneticForceA : $this->MagneticForceR;
$X = cos(deg2rad($Angle)) * $Force * $Factor + $X;
$Y = sin(deg2rad($Angle)) * $Force * $Factor + $Y;
}
}
$this->Data[$Key]["X"] = $X;
$this->Data[$Key]["Y"] = $Y;
}
}
/**
* @return int|float
*/
public function lastPass()
{
/* Put everything inside the graph area */
foreach ($this->Data as $Key => $Settings) {
$X = $Settings["X"];
$Y = $Settings["Y"];
if ($X < $this->X1) {
$X = $this->X1;
}
if ($X > $this->X2) {
$X = $this->X2;
}
if ($Y < $this->Y1) {
$Y = $this->Y1;
}
if ($Y > $this->Y2) {
$Y = $this->Y2;
}
$this->Data[$Key]["X"] = $X;
$this->Data[$Key]["Y"] = $Y;
}
/* Dump all links */
$Links = [];
foreach ($this->Data as $Key => $Settings) {
$X1 = $Settings["X"];
$Y1 = $Settings["Y"];
if (isset($Settings["Connections"])) {
foreach ($Settings["Connections"] as $ID => $NodeID) {
if (isset($this->Data[$NodeID])) {
$X2 = $this->Data[$NodeID]["X"];
$Y2 = $this->Data[$NodeID]["Y"];
$Links[] = [
"X1" => $X1,
"Y1" => $Y1,
"X2" => $X2,
"Y2" => $Y2,
"Source" => $Settings["Name"],
"Destination" => $this->Data[$NodeID]["Name"]
];
}
}
}
}
/* Check collisions */
$Conflicts = 0;
foreach ($this->Data as $Key => $Settings) {
$X1 = $Settings["X"];
$Y1 = $Settings["Y"];
if (isset($Settings["Connections"])) {
foreach ($Settings["Connections"] as $ID => $NodeID) {
if (isset($this->Data[$NodeID])) {
$X2 = $this->Data[$NodeID]["X"];
$Y2 = $this->Data[$NodeID]["Y"];
foreach ($Links as $IDLinks => $Link) {
$X3 = $Link["X1"];
$Y3 = $Link["Y1"];
$X4 = $Link["X2"];
$Y4 = $Link["Y2"];
if (!($X1 == $X3 && $X2 == $X4 && $Y1 == $Y3 && $Y2 == $Y4)) {
if ($this->intersect($X1, $Y1, $X2, $Y2, $X3, $Y3, $X4, $Y4)) {
if ($Link["Source"] != $Settings["Name"]
&& $Link["Source"] != $this->Data[$NodeID]["Name"]
&& $Link["Destination"] != $Settings["Name"]
&& $Link["Destination"] != $this->Data[$NodeID]["Name"]
) {
$Conflicts++;
}
}
}
}
}
}
}
}
return $Conflicts / 2;
}
/**
* Center the graph
*/
public function center()
{
/* Determine the real center */
$TargetCenterX = ($this->X2 - $this->X1) / 2 + $this->X1;
$TargetCenterY = ($this->Y2 - $this->Y1) / 2 + $this->Y1;
/* Get current boundaries */
$XMin = $this->X2;
$XMax = $this->X1;
$YMin = $this->Y2;
$YMax = $this->Y1;
foreach ($this->Data as $Key => $Settings) {
$X = $Settings["X"];
$Y = $Settings["Y"];
if ($X < $XMin) {
$XMin = $X;
}
if ($X > $XMax) {
$XMax = $X;
}
if ($Y < $YMin) {
$YMin = $Y;
}
if ($Y > $YMax) {
$YMax = $Y;
}
}
$CurrentCenterX = ($XMax - $XMin) / 2 + $XMin;
$CurrentCenterY = ($YMax - $YMin) / 2 + $YMin;
/* Compute the offset to apply */
$XOffset = $TargetCenterX - $CurrentCenterX;
$YOffset = $TargetCenterY - $CurrentCenterY;
/* Correct the points position */
foreach ($this->Data as $Key => $Settings) {
$this->Data[$Key]["X"] = $Settings["X"] + $XOffset;
$this->Data[$Key]["Y"] = $Settings["Y"] + $YOffset;
}
}
/**
* Create the encoded string
* @param Image $Object
* @param string $Settings
* @return array
*/
public function drawSpring(Image $Object, array $Settings = [])
{
$this->pChartObject = $Object;
$Pass = isset($Settings["Pass"]) ? $Settings["Pass"] : 50;
$Retries = isset($Settings["Retry"]) ? $Settings["Retry"] : 10;
$this->MagneticForceA = isset($Settings["MagneticForceA"]) ? $Settings["MagneticForceA"] : 1.5;
$this->MagneticForceR = isset($Settings["MagneticForceR"]) ? $Settings["MagneticForceR"] : 2;
$this->RingSize = isset($Settings["RingSize"]) ? $Settings["RingSize"] : 40;
$DrawVectors = isset($Settings["DrawVectors"]) ? $Settings["DrawVectors"] : false;
$DrawQuietZone = isset($Settings["DrawQuietZone"]) ? $Settings["DrawQuietZone"] : false;
$CenterGraph = isset($Settings["CenterGraph"]) ? $Settings["CenterGraph"] : true;
$TextPadding = isset($Settings["TextPadding"]) ? $Settings["TextPadding"] : 4;
$Algorithm = isset($Settings["Algorithm"]) ? $Settings["Algorithm"] : ALGORITHM_WEIGHTED;
$this->X1 = $Object->GraphAreaX1;
$this->Y1 = $Object->GraphAreaY1;
$this->X2 = $Object->GraphAreaX2;
$this->Y2 = $Object->GraphAreaY2;
$Conflicts = 1;
$Jobs = 0;
$this->History["MinimumConflicts"] = -1;
while ($Conflicts != 0 && $Jobs < $Retries) {
$Jobs++;
/* Compute the initial settings */
$this->firstPass($Algorithm);
/* Apply the vectors */
if ($Pass > 0) {
for ($i = 0; $i <= $Pass; $i++) {
$this->doPass();
}
}
$Conflicts = $this->lastPass();
if ($this->History["MinimumConflicts"] == -1
|| $Conflicts < $this->History["MinimumConflicts"]
) {
$this->History["MinimumConflicts"] = $Conflicts;
$this->History["Result"] = $this->Data;
}
}
$Conflicts = $this->History["MinimumConflicts"];
$this->Data = $this->History["Result"];
if ($CenterGraph) {
$this->center();
}
/* Draw the connections */
$Drawn = [];
foreach ($this->Data as $Key => $Settings) {
$X = $Settings["X"];
$Y = $Settings["Y"];
if (isset($Settings["Connections"])) {
foreach ($Settings["Connections"] as $ID => $NodeID) {
if (!isset($Drawn[$Key])) {
$Drawn[$Key] = "";
}
if (!isset($Drawn[$NodeID])) {
$Drawn[$NodeID] = "";
}
if (isset($this->Data[$NodeID])
&& !isset($Drawn[$Key][$NodeID])
&& !isset($Drawn[$NodeID][$Key])
) {
$Color = [
"R" => $this->Default["LinkR"],
"G" => $this->Default["LinkG"],
"B" => $this->Default["LinkB"],
"Alpha" => $this->Default["Alpha"]
];
if (count($this->Links)) {
if (isset($this->Links[$Key][$NodeID]["R"])) {
$Color = [
"R" => $this->Links[$Key][$NodeID]["R"],
"G" => $this->Links[$Key][$NodeID]["G"],
"B" => $this->Links[$Key][$NodeID]["B"],
"Alpha" => $this->Links[$Key][$NodeID]["Alpha"]
];
}
if (isset($this->Links[$Key][$NodeID]["Ticks"])) {
$Color["Ticks"] = $this->Links[$Key][$NodeID]["Ticks"];
}
}
$X2 = $this->Data[$NodeID]["X"];
$Y2 = $this->Data[$NodeID]["Y"];
$this->pChartObject->drawLine($X, $Y, $X2, $Y2, $Color);
$Drawn[$Key][$NodeID] = true;
if (isset($this->Links) && count($this->Links)) {
if (isset($this->Links[$Key][$NodeID]["Name"])
|| isset($this->Links[$NodeID][$Key]["Name"])
) {
$Name = isset($this->Links[$Key][$NodeID]["Name"])
? $this->Links[$Key][$NodeID]["Name"]
: $this->Links[$NodeID][$Key]["Name"]
;
$TxtX = ($X2 - $X) / 2 + $X;
$TxtY = ($Y2 - $Y) / 2 + $Y;
if ($X <= $X2) {
$Angle = (360 - $this->getAngle($X, $Y, $X2, $Y2)) % 360;
} else {
$Angle = (360 - $this->getAngle($X2, $Y2, $X, $Y)) % 360;
}
$Settings = $Color;
$Settings["Angle"] = $Angle;
$Settings["Align"] = TEXT_ALIGN_BOTTOMMIDDLE;
$this->pChartObject->drawText($TxtX, $TxtY, $Name, $Settings);
}
}
}
}
}
}
/* Draw the quiet zones */
if ($DrawQuietZone) {
foreach ($this->Data as $Key => $Settings) {
$X = $Settings["X"];
$Y = $Settings["Y"];
$FreeZone = $Settings["FreeZone"];
$this->pChartObject->drawFilledCircle(
$X,
$Y,
$FreeZone,
["R" => 0, "G" => 0, "B" => 0, "Alpha" => 2]
);
}
}
/* Draw the nodes */
foreach ($this->Data as $Key => $Settings) {
$X = $Settings["X"];
$Y = $Settings["Y"];
$Name = $Settings["Name"];
$FreeZone = $Settings["FreeZone"];
$Shape = $Settings["Shape"];
$Size = $Settings["Size"];
$Color = [
"R" => $Settings["R"],
"G" => $Settings["G"],
"B" => $Settings["B"],
"Alpha" => $Settings["Alpha"],
"BorderR" => $Settings["BorderR"],
"BorderG" => $Settings["BorderG"],
"BorderB" => $Settings["BorderB"],
"BorderApha" => $Settings["BorderAlpha"]
];
if ($Shape == NODE_SHAPE_CIRCLE) {
$this->pChartObject->drawFilledCircle($X, $Y, $Size, $Color);
} elseif ($Shape == NODE_SHAPE_TRIANGLE) {
$Points = [];
$Points[] = cos(deg2rad(270)) * $Size + $X;
$Points[] = sin(deg2rad(270)) * $Size + $Y;
$Points[] = cos(deg2rad(45)) * $Size + $X;
$Points[] = sin(deg2rad(45)) * $Size + $Y;
$Points[] = cos(deg2rad(135)) * $Size + $X;
$Points[] = sin(deg2rad(135)) * $Size + $Y;
$this->pChartObject->drawPolygon($Points, $Color);
} elseif ($Shape == NODE_SHAPE_SQUARE) {
$Offset = $Size / 2;
$Size = $Size / 2;
$this->pChartObject->drawFilledRectangle(
$X - $Offset,
$Y - $Offset,
$X + $Offset,
$Y + $Offset,
$Color
);
}
if ($Name != "") {
$LabelOptions = [
"R" => $this->Labels["R"],
"G" => $this->Labels["G"],
"B" => $this->Labels["B"],
"Alpha" => $this->Labels["Alpha"]
];
if ($this->Labels["Type"] == LABEL_LIGHT) {
$LabelOptions["Align"] = TEXT_ALIGN_BOTTOMLEFT;
$this->pChartObject->drawText($X, $Y, $Name, $LabelOptions);
} elseif ($this->Labels["Type"] == LABEL_CLASSIC) {
$LabelOptions["Align"] = TEXT_ALIGN_TOPMIDDLE;
$LabelOptions["DrawBox"] = true;
$LabelOptions["BoxAlpha"] = 50;
$LabelOptions["BorderOffset"] = 4;
$LabelOptions["RoundedRadius"] = 3;
$LabelOptions["BoxRounded"] = true;
$LabelOptions["NoShadow"] = true;
$this->pChartObject->drawText($X, $Y + $Size + $TextPadding, $Name, $LabelOptions);
}
}
}
/* Draw the vectors */
if ($DrawVectors) {
foreach ($this->Data as $Key => $Settings) {
$X1 = $Settings["X"];
$Y1 = $Settings["Y"];
if (isset($Settings["Vectors"]) && $Settings["Type"] != NODE_TYPE_CENTRAL) {
foreach ($Settings["Vectors"] as $ID => $Vector) {
$Type = $Vector["Type"];
$Force = $Vector["Force"];
$Angle = $Vector["Angle"];
$Factor = $Type == "A" ? $this->MagneticForceA : $this->MagneticForceR;
$Color = $Type == "A"
? ["FillR" => 255, "FillG" => 0, "FillB" => 0]
: ["FillR" => 0, "FillG" => 255, "FillB" => 0]
;
$X2 = cos(deg2rad($Angle)) * $Force * $Factor + $X1;
$Y2 = sin(deg2rad($Angle)) * $Force * $Factor + $Y1;
$this->pChartObject->drawArrow($X1, $Y1, $X2, $Y2, $Color);
}
}
}
}
return ["Pass" => $Jobs, "Conflicts" => $Conflicts];
}
/**
* Return the distance between two points
* @param int $X1
* @param int $Y1
* @param int $X2
* @param int $Y2
* @return int|float
*/
public function getDistance($X1, $Y1, $X2, $Y2)
{
return sqrt(($X2 - $X1) * ($X2 - $X1) + ($Y2 - $Y1) * ($Y2 - $Y1));
}
/**
* Return the angle made by a line and the X axis
* @param int $X1
* @param int $Y1
* @param int $X2
* @param int $Y2
* @return int|float
*/
public function getAngle($X1, $Y1, $X2, $Y2)
{
$Opposite = $Y2 - $Y1;
$Adjacent = $X2 - $X1;
$Angle = rad2deg(atan2($Opposite, $Adjacent));
return $Angle > 0 ? $Angle : 360 - abs($Angle);
}
/**
* @param int $X1
* @param int $Y1
* @param int $X2
* @param int $Y2
* @param int $X3
* @param int $Y3
* @param int $X4
* @param int $Y4
* @return boolean
*/
public function intersect($X1, $Y1, $X2, $Y2, $X3, $Y3, $X4, $Y4)
{
$A = (($X3 * $Y4 - $X4 * $Y3) * ($X1 - $X2) - ($X1 * $Y2 - $X2 * $Y1) * ($X3 - $X4));
$B = (($Y1 - $Y2) * ($X3 - $X4) - ($Y3 - $Y4) * ($X1 - $X2));
if ($B == 0) {
return false;
}
$Xi = $A / $B;
$C = ($X1 - $X2);
if ($C == 0) {
return false;
}
$Yi = $Xi * (($Y1 - $Y2) / $C) + (($X1 * $Y2 - $X2 * $Y1) / $C);
if ($Xi >= min($X1, $X2)
&& $Xi >= min($X3, $X4)
&& $Xi <= max($X1, $X2)
&& $Xi <= max($X3, $X4)
&& $Yi >= min($Y1, $Y2)
&& $Yi >= min($Y3, $Y4)
&& $Yi <= max($Y1, $Y2)
&& $Yi <= max($Y3, $Y4)
) {
return true;
}
return false;
}
}
Zerion Mini Shell 1.0