Shikiryu/svgToImage
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svgToImage/svgtoimage.php

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<?
// TODO
// prendre en compte l'opacité grâce à imagecolorallocatealpha ?
// ajout de title
// ajout de <text fill="#000000" x="541" y="258" transform="rotate(-0, 541, 258)" font-size="10" font-family="SansSerif" font-style="normal" font-weight="normal">0</text>
include 'log.php';
class SVGTOIMAGE{
protected $_svgXML;
protected $_image;
protected $_log;
protected $_x;
protected $_y;
protected $_width;
protected $_height;
protected $_showDesc = false;
protected $_desc;
protected $_currentOptions = array();
private $transparentColor = array(0,0,255);
public $_debug = true; // change to false to stop debug mode
/*
* array of path type
*/
private $pathType = array(
'm' => 'MoveTo',
'l' => 'LineTo',
'h' => 'HorizontalLineTo',
'v' => 'VerticalLineTo',
'c' => 'CurveTo',
'z' => 'EndingLine',
);
/* array of color names => rgb color
because some svg creator uses them
used http://www.yoyodesign.org/doc/w3c/svg1/types.html#ColorKeywords
*/
private $colors = array(
'aliceblue'=>array(240, 248, 255),
'antiquewhite'=>array(250, 235, 215),
'aqua'=>array( 0, 255, 255),
'aquamarine'=>array(127, 255, 212),
'azure'=>array(240, 255, 255),
'beige'=>array(245, 245, 220),
'bisque'=>array(255, 228, 196),
'black'=>array( 0, 0, 0),
'blanchedalmond'=>array(255, 235, 205),
'blue'=>array( 0, 0, 255),
'blueviolet'=>array(138, 43, 226),
'brown'=>array(165, 42, 42),
'burlywood'=>array(222, 184, 135),
'cadetblue'=>array( 95, 158, 160),
'chartreuse'=>array(127, 255, 0),
'chocolate'=>array(210, 105, 30),
'coral'=>array(255, 127, 80),
'cornflowerblue'=>array(100, 149, 237),
'cornsilk'=>array(255, 248, 220),
'crimson'=>array(220, 20, 60),
'cyan'=>array( 0, 255, 255),
'darkblue'=>array( 0, 0, 139),
'darkcyan'=>array( 0, 139, 139),
'darkgoldenrod'=>array(184, 134, 11),
'darkgray'=>array(169, 169, 169),
'darkgreen'=>array( 0, 100, 0),
'darkgrey'=>array(169, 169, 169),
'darkkhaki'=>array(189, 183, 107),
'darkmagenta'=>array(139, 0, 139),
'darkolivegreen'=>array( 85, 107, 47),
'darkorange'=>array(255, 140, 0),
'darkorchid'=>array(153, 50, 204),
'darkred'=>array(139, 0, 0),
'darksalmon'=>array(233, 150, 122),
'darkseagreen'=>array(143, 188, 143),
'darkslateblue'=>array( 72, 61, 139),
'darkslategray'=>array( 47, 79, 79),
'darkslategrey'=>array( 47, 79, 79),
'darkturquoise'=>array( 0, 206, 209),
'darkviolet'=>array(148, 0, 211),
'deeppink'=>array(255, 20, 147),
'deepskyblue'=>array( 0, 191, 255),
'dimgray'=>array(105, 105, 105),
'dimgrey'=>array(105, 105, 105),
'dodgerblue'=>array( 30, 144, 255),
'firebrick'=>array(178, 34, 34),
'floralwhite'=>array(255, 250, 240),
'forestgreen'=>array( 34, 139, 34),
'fuchsia'=>array(255, 0, 255),
'gainsboro'=>array(220, 220, 220),
'ghostwhite'=>array(248, 248, 255),
'gold'=>array(255, 215, 0),
'goldenrod'=>array(218, 165, 32),
'gray'=>array(128, 128, 128),
'grey'=>array(128, 128, 128),
'green'=>array( 0, 128, 0),
'greenyellow'=>array(173, 255, 47),
'honeydew'=>array(240, 255, 240),
'hotpink'=>array(255, 105, 180),
'indianred'=>array(205, 92, 92),
'indigo'=>array( 75, 0, 130),
'ivory'=>array(255, 255, 240),
'khaki'=>array(240, 230, 140),
'lavender'=>array(230, 230, 250),
'lavenderblush'=>array(255, 240, 245),
'lawngreen'=>array(124, 252, 0),
'lemonchiffon'=>array(255, 250, 205),
'lightblue'=>array(173, 216, 230),
'lightcoral'=>array(240, 128, 128),
'lightcyan'=>array(224, 255, 255),
'lightgoldenrodyellow'=>array(250, 250, 210),
'lightgray'=>array(211, 211, 211),
'lightgreen'=>array(144, 238, 144),
'lightgrey'=>array(211, 211, 211),
'lightpink'=>array(255, 182, 193),
'lightsalmon'=>array(255, 160, 122),
'lightseagreen'=>array( 32, 178, 170),
'lightskyblue'=>array(135, 206, 250),
'lightslategray'=>array(119, 136, 153),
'lightslategrey'=>array(119, 136, 153),
'lightsteelblue'=>array(176, 196, 222),
'lightyellow'=>array(255, 255, 224),
'lime'=>array( 0, 255, 0),
'limegreen'=>array( 50, 205, 50),
'linen'=>array(250, 240, 230),
'magenta'=>array(255, 0, 255),
'maroon'=>array(128, 0, 0),
'mediumaquamarine'=>array(102, 205, 170),
'mediumblue'=>array( 0, 0, 205),
'mediumorchid'=>array(186, 85, 211),
'mediumpurple'=>array(147, 112, 219),
'mediumseagreen'=>array( 60, 179, 113),
'mediumslateblue'=>array(123, 104, 238),
'mediumspringgreen'=>array( 0, 250, 154),
'mediumturquoise'=>array( 72, 209, 204),
'mediumvioletred'=>array(199, 21, 133),
'midnightblue'=>array( 25, 25, 112),
'mintcream'=>array(245, 255, 250),
'mistyrose'=>array(255, 228, 225),
'moccasin'=>array(255, 228, 181),
'navajowhite'=>array(255, 222, 173),
'navy'=>array( 0, 0, 128),
'oldlace'=>array(253, 245, 230),
'olive'=>array(128, 128, 0),
'olivedrab'=>array(107, 142, 35),
'orange'=>array(255, 165, 0),
'orangered'=>array(255, 69, 0),
'orchid'=>array(218, 112, 214),
'palegoldenrod'=>array(238, 232, 170),
'palegreen'=>array(152, 251, 152),
'paleturquoise'=>array(175, 238, 238),
'palevioletred'=>array(219, 112, 147),
'papayawhip'=>array(255, 239, 213),
'peachpuff'=>array(255, 218, 185),
'peru'=>array(205, 133, 63),
'pink'=>array(255, 192, 203),
'plum'=>array(221, 160, 221),
'powderblue'=>array(176, 224, 230),
'purple'=>array(128, 0, 128),
'red'=>array(255, 0, 0),
'rosybrown'=>array(188, 143, 143),
'royalblue'=>array( 65, 105, 225),
'saddlebrown'=>array(139, 69, 19),
'salmon'=>array(250, 128, 114),
'sandybrown'=>array(244, 164, 96),
'seagreen'=>array( 46, 139, 87),
'seashell'=>array(255, 245, 238),
'sienna'=>array(160, 82, 45),
'silver'=>array(192, 192, 192),
'skyblue'=>array(135, 206, 235),
'slateblue'=>array(106, 90, 205),
'slategray'=>array(112, 128, 144),
'slategrey'=>array(112, 128, 144),
'snow'=>array(255, 250, 250),
'springgreen'=>array( 0, 255, 127),
'steelblue'=>array( 70, 130, 180),
'tan'=>array(210, 180, 140),
'teal'=>array( 0, 128, 128),
'thistle'=>array(216, 191, 216),
'tomato'=>array(255, 99, 71),
'turquoise'=>array( 64, 224, 208),
'violet'=>array(238, 130, 238),
'wheat'=>array(245, 222, 179),
'white'=>array(255, 255, 255),
'whitesmoke'=>array(245, 245, 245),
'yellow'=>array(255, 255, 0),
'yellowgreen'=>array(154, 205, 50)
);
/**
* constructor
* parse the svg with simplexml
*/
public function __construct($svg){
if($this->_debug) $this->_log = new Log('log.dat');
$this->_svgXML = simplexml_load_string($svg);
}
/**
* Construct with a file
* @param : string path to the file
* @return : instance of this class
*/
public static function load($file){
$svg = file_get_contents($file);
return new SVGTOIMAGE($svg);
}
/**
* Construct with a string
* @param : string <svg>...</svg>
* @return : instance of this class
*/
public static function parse($xml){
return new SVGTOIMAGE($xml);
}
/**
* Destroy the GD Image when finished
*/
public function __destruct(){
imagedestroy($this->_image);
}
/**
* setter - option : show the description from the svg into the image if present
* @param boolean
*/
public function setShowDesc($showDesc = true){
if(is_bool($showDesc)){
//if($this->_debug) $this->_log->message('Passage de showDesc en '.$showDesc);
$this->_showDesc = $showDesc;
}else{
if($this->_debug) $this->_log->error('Erreur dans la fonction showDesc, doit recevoir booléen, a reçu : '.$showDesc);
}
}
/**
* setter - option : origin of the final image from the svg (default : 0)
* @param int
*/
public function setX($x){
if(is_int($x)){
//if($this->_debug) $this->_log->message('Passage de x en '.$x);
$this->_x = $x;
}else{
if($this->_debug) $this->_log->error('Erreur dans la fonction setX, doit recevoir int, a reçu : '.$x);
}
}
/*
* setter - option : origin of the final image from the svg (default : 0)
* @param int
*/
public function setY($y){
if(is_int($y)){
//if($this->_debug) $this->_log->message('Passage de y en '.$y);
$this->_y = $y;
}else{
if($this->_debug) $this->_log->error('Erreur dans la fonction setY, doit recevoir int, a reçu : '.$y);
}
}
/*
* setter - option : width of the final image (default : svg width)
* @param int
*/
public function setWidth($width){
if(is_int($width)){
//if($this->_debug) $this->_log->message('Passage de width en '.$width);
$this->_width = $width;
}else{
if($this->_debug) $this->_log->error('Erreur dans la fonction setWidth, doit recevoir int, a reçu : '.$width);
}
}
/*
* setter - option : height of the final image (default : svg height)
* @param int
*/
public function setHeight($height){
if(is_int($height)){
//if($this->_debug) $this->_log->message('Passage de height en '.$height);
$this->_height = $height;
}else{
if($this->_debug) $this->_log->error('Erreur dans la fonction setHeight, doit recevoir int, a reçu : '.$height);
}
}
/*
* DEPRECATED
* return width and height from the SVG
*/
private function _getImageSize(){
$imageSize = array();
$imageSize['width'] = $this->_svgXML->attributes()->width;
$imageSize['height'] = $this->_svgXML->attributes()->height;
if($this->_debug) $this->_log->message('taille de l\'image : '.Log::decode($imageSize));
return $imageSize;
}
/**
* @param string size of picture or element
* @return int "real" size of element. To eliminate SVG with centimeters
*/
private function _getSizeType($value){
$value = rtrim($value);
switch(substr($value,-2,2)){
case 'cm':
return $value * 30; // approximatively
break;
case 'in':
return $value * 12; // approximatively
break;
case 'px':
case 'pt':
default:
return $value;
}
}
/**
* @return int final image width
*/
private function _getImageWidth(){
return isset($this->_width) ? $this->_width : $this->_getSizeType($this->_svgXML->attributes()->width);
}
/**
* @return int final image height
*/
private function _getImageHeight(){
return isset($this->_height) ? $this->_height : $this->_getSizeType($this->_svgXML->attributes()->height);
}
/*
* @param string Color code (ie: #CCC , #FE4323, etc...)
* @return array with R | G | B
*/
private function _parseColor($colorCode){
if(is_string($colorCode) && strlen($colorCode) == 7){
$convert = array(
base_convert(substr($colorCode, 1, 2), 16, 10),
base_convert(substr($colorCode, 3, 2), 16, 10),
base_convert(substr($colorCode, 5, 2), 16, 10),
);
return $convert;
}
if(is_string($colorCode) && strlen($colorCode) == 4){
return array(
base_convert(substr($colorCode, 1, 1).substr($colorCode, 1, 1), 16, 10),
base_convert(substr($colorCode, 2, 1).substr($colorCode, 2, 1), 16, 10),
base_convert(substr($colorCode, 3, 1).substr($colorCode, 3, 1), 16, 10),
);
}
if(is_array($colorCode) && count($colorCode) == 3){
return $colorCode;
}
if($this->_debug) $this->_log->error('Couleur mal indiquée '.Log::decode($colorCode));
return array(0,0,0); // !#FFF || !#FFFFFF || !array(255,255,255) then black
}
/**
* Allocate color to the final image thanks to _parseColor (check if the color isn't spelled directly 'black')
* @param string color code
* @return imageallocate on the image
*/
private function _allocateColor($color){
if($color != '' && array_key_exists(strtolower($color), $this->colors)){
$arrayColor = $this->_parseColor($this->colors[strtolower($color)]);
}elseif($color != ''){
$arrayColor = $this->_parseColor($color);
}else return;
return imagecolorallocate( $this->_image, $arrayColor[0], $arrayColor[1], $arrayColor[2] );
}
/**
* return an array to use with imagesetstyle
* @param allocatecolorimage
* @return array
*/
private function _getDashedStroke($full, $empty, $color){
$tiret = array();
for($i=0;$i<$full;$i++){
$tiret[] = $color;
}
for($i=0;$i<$empty;$i++){
$tiret[] = IMG_COLOR_TRANSPARENT;
}
if($this->_debug) $this->_log->message('nouveaux tirets : '.Log::decode($tiret));
return $tiret;
}
private function _getParam($paramName){
$currentOptions = $this->_getAllParams();
return isset($currentOptions[$paramName]) ? $currentOptions[$paramName] : null;
}
private function _getAllParams(){
$newarr = array();
foreach($this->_currentOptions as $array)
$newarr = array_merge($newarr, $array);
return $newarr;
}
/**
* @param node $element
* @return array options
*/
private function _getParams($element){
$options = $this->_getAllParams();
foreach($element->attributes() as $name => $value){
switch($name){
case 'x':
case 'y':
case 'r':
case 'width':
case 'height':
$options[$name] = $this->_getSizeType($value);
break;
case 'cx':
$options['x'] = $this->_getSizeType($value);
break;
case 'cy':
$options['y'] = $this->_getSizeType($value);
break;
case 'xlink:href':
$options['href'] = $value;
break;
case 'd':
case 'points':
$options['path'] = $value;
break;
case 'fill':
$options['fill'] = ($value == 'none') ? '' : $value;
break;
case 'stroke-width' :
$options['strokeWidth'] = $value;
break;
case 'stroke-dasharray' :
$options['strokeDasharray'] = $value;
break;
case 'font-size':
$options['fontSize'] = $value;
break;
case 'font-family':
$options['fontFamily'] = $value;
break;
case 'font-style':
$options['fontStyle'] = $value;
break;
case 'font-weight':
$options['fontWeight'] = $value;
break;
case 'transform': // transform="matrix(1.006896,0,0,1.006896,0.3043,-0.708342)"
$transform = split('[()]', $value);
if(count($transform) == 3){
$typeTransform = $transform[0];
switch($typeTransform){
case 'translate':
list($options['originX'], $options['originY']) = explode(',', $transform[1]);
break;
case 'rotate':
$options['rotate'] = $transform[1];
break;
case 'scale':
$options['scale'] = $transform[1];
break;
default:
break;
}
}
break;
case 'style' :
$allStyle = split('[;:]', $value);
$i = 0;
while ($i < count($allStyle)) {
if($allStyle[$i] == 'display' && $allStyle[$i+1] == 'none') return; // display:none? Stop looking for info
if($allStyle[$i] == 'fill') $options['fill'] = $allStyle[$i+1];
if($allStyle[$i] == 'stroke') $options['stroke'] = $allStyle[$i+1];
if($allStyle[$i] == 'stroke-width') $options['strokeWidth'] = $allStyle[$i+1];
$i=$i+2;
}
break;
default:
$options[$name] = $value;
break;
}
}
/*if($this->_debug){
$this->_log->message('-------- option ---------');
foreach($options as $key => $value){
$this->_log->message('option : '.(string)$key.' -> '.(string)$value);
}
$this->_log->message('------- /option/ --------');
}*/
//if($this->_debug) $this->_log->message('options : '.Log::decode($options));
return $options;
}
/**
* add the given image from svg to the final image
* @param simpleXMLElement
* @return imagecopy
*/
private function _parseImage($imageNode){
$x = 0;
$y = 0;
$width = 0;
$height = 0;
$href = '';
$transform = '';
$r = 0;
extract($this->_getParams($imageNode));
//case translate
if($this->_getParam('originX') !== null)
$x += $this->_getParam('originX');
if($this->_getParam('originY') !== null)
$y += $this->_getParam('originY');
//end translate
if($transform != ''){
$transforms = split('[()]', $transform);
$nb = count($transforms);
for($i = 0; $i < $nb; $i++){
// rotation
if($transforms[$i] == 'rotate'){
$rotinfo = $transforms[$i+1];
$rotinfo = explode(' ', $rotinfo);
$r = $rotinfo[0];
}
}
}
if($width == 0 || $height == 0 || $href == '')
return;
$imageTypeArray = explode('.', $href);
$lastElementFromImageType = count($imageTypeArray);
$imageType = $imageTypeArray[$lastElementFromImageType-1];
if($imageType == 'jpg' || $imageType == 'jpeg')
$newImage = imagecreatefromjpeg($href);
else if($imageType == 'png')
$newImage = imagecreatefrompng($href);
else if($imageType == 'gif')
$newImage = imagecreatefromgif($href);
else return;
imagealphablending($newImage, true);
//rotating the image if needed
if($r != 0){
if($this->_debug){
if($newImage = imagerotate($newImage, - floatval($r), -1)){
$this->_log->message('Rotating image');
}else
$this->_log->error('Rotating image');
}else{
$newImage = imagerotate($newImage, - floatval($r), -1);
}
$blue = imagecolorallocate($newImage, $this->transparentColor[0], $this->transparentColor[1],$this->transparentColor[2]);
imagecolortransparent($newImage, $blue);
}
$newWidth = imagesx($newImage);
$newHeight = imagesy($newImage);
imagecopy($this->_image,$newImage,($newWidth == $width) ? $x : $x-($newWidth-$width)/2,($newHeight == $height) ? $y : $y-($newHeight-$height)/2,0,0,imagesx($newImage) , imagesy($newImage)); // Thanks Raphael & GD for saying things wrong.
}
/**
* Check if the given SVG xml is W3C valid
* DEPRECATED and unused anymore
* @param string <svg>...</svg>
* @return boolean
*/
private function _pathIsW3C($path){
if(strripos($path, ','))
return true;
return false;
}
/**
* small function to find int into a string - works like java parseint
* @param string containing numbers
* @return int
*/
private function _parseInt($string){
if(preg_match('/[-]?(\d+)/', $string, $array)) return $array[0];
else return 0;
}
/**
* add a line to the final image
* @param $x1, $y1, $x2, $y2 int position of segment
* @param imagecolorallocate color (via _allocatecolor !)
* @return imageline
*/
private function _drawLine($x1, $y1, $x2, $y2, $color){
if(!imageline( $this->_image , $x1, $y1, $x2, $y2, $color )){
if($this->_debug) $this->_log->error('Chemin erroné : '.$x1.' - '.$y1.' - '.$x2.' - '.$y2);
}else{
if($this->_debug) $this->_log->message('Chemin : '.$x1.' - '.$y1.' - '.$x2.' - '.$y2);
}
}
/**
* add a curve to the final image
* @param $startX, $startY, $control1X, $control1Y, $control2X, $control2Y, $endX, $endY int position of start, controls and end points
* @param imagecolorallocate color (via _allocatecolor !)
* @return lots of imagesetpixel
* Algorithme de http://www.dreamstube.com/post/Bezier-Curves-In-PHP!.aspx
*/
private function _drawCurve($startX, $startY, $control1X, $control1Y, $control2X, $control2Y, $endX, $endY, $color){
$cx=3*($control1X-$startX);
$bx=3*($control2X-$control1X)-$cx;
$ax=$endX-$startX-$cx-$bx;
$cy=3*($control1Y-$startY);
$by=3*($control2Y-$control1Y)-$cy;
$ay=$endY-$startY-$cy-$by;
//if($this->_debug) $this->_log->message('ax : '.$ax.', ay : '.$ay);
for($t=0; $t<1; $t+=.01)
{
$xt = $ax * $t * $t * $t + $bx * $t * $t + $cx * $t + $startX;
$yt = $ay * $t * $t * $t + $by * $t * $t + $cy * $t + $startY;
imagesetpixel ( $this->_image , $xt , $yt , $color );
}
}
/*EXPERIMENT*/
// Calculate the coordinate of the Bezier curve at $t = 0..1
private function _Bezier_eval($p1,$p2,$p3,$p4,$t) {
// lines between successive pairs of points (degree 1)
$q1 = array((1-$t) * $p1[0] + $t * $p2[0],(1-$t) * $p1[1] + $t * $p2[1]);
$q2 = array((1-$t) * $p2[0] + $t * $p3[0],(1-$t) * $p2[1] + $t * $p3[1]);
$q3 = array((1-$t) * $p3[0] + $t * $p4[0],(1-$t) * $p3[1] + $t * $p4[1]);
// curves between successive pairs of lines. (degree 2)
$r1 = array((1-$t) * $q1[0] + $t * $q2[0],(1-$t) * $q1[1] + $t * $q2[1]);
$r2 = array((1-$t) * $q2[0] + $t * $q3[0],(1-$t) * $q2[1] + $t * $q3[1]);
// final curve between the two 2-degree curves. (degree 3)
return array((1-$t) * $r1[0] + $t * $r2[0],(1-$t) * $r1[1] + $t * $r2[1]);
}
// Calculate the squared distance between two points
private function _Point_distance2($p1,$p2) {
$dx = $p2[0] - $p1[0];
$dy = $p2[1] - $p1[1];
return $dx * $dx + $dy * $dy;
}
// Convert the curve to a polyline
private function _Bezier_convert($p1,$p2,$p3,$p4,$tolerance) {
$t1 = 0.0;
$prev = $p1;
$t2 = 0.1;
$tol2 = $tolerance * $tolerance;
$result []= $prev[0];
$result []= $prev[1];
while ($t1 < 1.0) {
if ($t2 > 1.0) {
$t2 = 1.0;
}
$next = $this->_Bezier_eval($p1,$p2,$p3,$p4,$t2);
$dist = $this->_Point_distance2($prev,$next);
while ($dist > $tol2) {
// Halve the distance until small enough
$t2 = $t1 + ($t2 - $t1) * 0.5;
$next = $this->_Bezier_eval($p1,$p2,$p3,$p4,$t2);
$dist = $this->_Point_distance2($prev,$next);
}
// the image*polygon functions expect a flattened array of coordiantes
$result []= $next[0];
$result []= $next[1];
$t1 = $t2;
$prev = $next;
$t2 = $t1 + 0.1;
}
return $result;
}
// Draw a Bezier curve on an image
private function _Bezier_drawfilled($p1,$p2,$p3,$p4,$color) {
$polygon = $this->_Bezier_convert($p1,$p2,$p3,$p4,0.1);
return $polygon;
}
/*END OF EXPERIMENT*/
private function _drawPolygon($polygon, $stroke, $fill = ''){
//if($this->_debug) $this->_log->message('_drawPolygon : fill : '.$fill.' stroke:'.$stroke);
if($fill !== '' && count($polygon) >= 6){
//if($this->_debug) $this->_log->message('polygon rempli : '.$fill);
imagefilledpolygon($this->_image,$polygon,count($polygon)/2,$fill);
imagepolygon($this->_image, $polygon, count($polygon)/2, $stroke);
}elseif(count($polygon) >= 6){
//if($this->_debug) $this->_log->message('polygon non rempli : '.$stroke);
imagepolygon($this->_image, $polygon, count($polygon)/2, $stroke);
//imagepolygon($this->_image, $polygon, count($polygon)/2, IMG_COLOR_STYLED);
}elseif(count($polygon) == 4){
//if($this->_debug) $this->_log->message('ligne via polygon : '.$stroke);
$this->_drawLine($polygon[0],$polygon[1], $polygon[2],$polygon[3], $stroke);
}
}
/**
* add path/lineS/polyline whatever you name it.
* @param simpleXMLElement
* @return lines on the final image via _drawLine
*/
private function _parsePath($pathNode){
$path = '';
$strokeWidth = 1;
$fill = '';
$stroke = '';
$strokeDasharray = '';
extract($this->_getParams($pathNode));
if(strtolower(substr($path, 0,1)) != 'm' && !is_numeric(substr($path, 0,1))){
if($this->_debug) $this->_log->error('Mauvais path rencontré : '.$path);
return;
}
$thickness = imagesetthickness( $this->_image , $this->_parseInt($strokeWidth) );
if($this->_debug && !$thickness) $this->_log->error('Erreur dans la mise en place de l\'épaisseur du trait');
else $this->_log->message('épaisseur du trait à : '.$this->_parseInt($strokeWidth));
$colorStroke = $stroke != '' ? $this->_allocateColor($stroke) : $this->_allocateColor('black');
$colorFill = $fill != '' ? $this->_allocateColor($fill) : '';
if($this->_debug) $this->_log->message('colors ! fill:'.$colorFill.'stroke:'.$colorStroke);
if($strokeDasharray != ''){
$strokeDasharray = explode(',', $strokeDasharray);
imagesetstyle ( $this->_image , $this->_getDashedStroke($strokeDasharray[0], $strokeDasharray[1], $colorStroke ));
}else
imagesetstyle ( $this->_image , $this->_getDashedStroke(10, 0, $colorStroke ));
$lastOpe = '';
$pathArray = split('[ ,]', $path);
// Si le path est de format 'm 100 100 l 100 100 z' il faut recoller les morceaux
if(array_key_exists(strtolower($pathArray[0]), $this->pathType)){
$j = 0;
do{
if(array_key_exists(strtolower($pathArray[$j]), $this->pathType)){
$pathArray[$j] = $pathArray[$j].$pathArray[$j+1];
$pathArray[$j+1] = '~';
$j++;
$newNb = count($pathArray);
for($k = $j; $k<=$newNb; $k++){
$pathArray[$k] = $pathArray[$k+1];
}
}else{
if($pathArray[$j] == '' || $pathArray[$j] == null)
unset($pathArray[$j]);
$j++;
}
}while(isset($pathArray[$j]));
//if($this->_debug) $this->_log->message('Path reconstruit ! '.implode(', ',$pathArray));
}
$nbArray = count($pathArray);
$polyPoints = array();
$i = 0;
$lastX = 0;
$lastY = 0;
$lastMX = 0;
$lastMY = 0;
while ($i < $nbArray) {
// Changement de départ
if(strtolower(substr($pathArray[$i], 0, 1)) == 'm'){
if(isset($pathArray[$i-1])){
$this->_drawPolygon($polyPoints, $colorStroke, $colorFill);
$polyPoints = array();
$lastX = 0;
$lastY = 0;
$lastMX = 0;
$lastMY = 0;
}
$lastX = $this->_parseInt($pathArray[$i]);
$lastMX = $this->_parseInt($pathArray[$i]);
$lastY = $this->_parseInt($pathArray[$i+1]);
$lastMY = $this->_parseInt($pathArray[$i+1]);
$lastOpe = 'm';
$i=$i+2;
// Ligne
}elseif(strtolower(substr($pathArray[$i], 0, 1)) == 'l' || (is_numeric($pathArray[$i]) && strtolower($lastOpe) == 'l')){
if(substr($pathArray[$i], 0, 1) == 'L'){
$newX = $this->_parseInt($pathArray[$i]);
$newY = $this->_parseInt($pathArray[$i+1]);
}else{
$newX = $lastX + $this->_parseInt($pathArray[$i]);
$newY = $lastY + $this->_parseInt($pathArray[$i+1]);
}
$polyPoints = array_merge($polyPoints,array($lastX, $lastY, $newX, $newY));
//$this->_drawLine($lastX , $lastY , $newX , $newY , IMG_COLOR_STYLED);
$lastOpe = 'l';
$lastX = $newX;
$lastY = $newY;
$i=$i+2;
// Ligne horizontale
}elseif(strtolower(substr($pathArray[$i], 0, 1)) == 'h' || (is_numeric($pathArray[$i]) && strtolower($lastOpe) == 'h')){
if(substr($pathArray[$i], 0, 1) == 'H'){
$newX = $this->_parseInt($pathArray[$i]);
}else{
$newX = $lastX + $this->_parseInt($pathArray[$i]);
}
//$this->_drawLine($lastX , $lastY , $newX , $lastY , IMG_COLOR_STYLED);
$polyPoints = array_merge($polyPoints,array($lastX, $lastY, $newX, $newY));
$lastOpe = 'h';
$lastX = $newX;
$i++;
// Ligne verticale
}elseif(strtolower(substr($pathArray[$i], 0, 1)) == 'v' || (is_numeric($pathArray[$i]) && strtolower($lastOpe) == 'v')){
if(substr($pathArray[$i], 0, 1) == 'V'){
$newY = $this->_parseInt($pathArray[$i]);
}else{
$newY = $lastY + $this->_parseInt($pathArray[$i]);
}
//$this->_drawLine($lastX , $lastY , $lastX , $newY , IMG_COLOR_STYLED);
$polyPoints = array_merge($polyPoints,array($lastX, $lastY, $newX, $newY));
$lastY = $newY;
$lastOpe = 'v';
$i++;
// Courbe
}elseif(strtolower(substr($pathArray[$i], 0, 1)) == 'c' || (is_numeric($pathArray[$i]) && strtolower($lastOpe) == 'c')){
/*SPECIF !!! http://www.w3.org/TR/SVG/paths.html*/
if(substr($pathArray[$i], 0, 1) == 'C'){
$control1x = $this->_parseInt($pathArray[$i]);
$control1y = $this->_parseInt($pathArray[$i+1]);
$control2x = $this->_parseInt($pathArray[$i+2]);
$control2y = $this->_parseInt($pathArray[$i+3]);
$newX = $this->_parseInt($pathArray[$i+4]);
$newY = $this->_parseInt($pathArray[$i+5]);
}else{
$control1x = $lastX + $this->_parseInt($pathArray[$i]);
$control1y = $lastY + $this->_parseInt($pathArray[$i+1]);
$control2x = $lastX + $this->_parseInt($pathArray[$i+2]);
$control2y = $lastY + $this->_parseInt($pathArray[$i+3]);
$newX = $lastX + $this->_parseInt($pathArray[$i+4]);
$newY = $lastY + $this->_parseInt($pathArray[$i+5]);
}
$polyPoints = array_merge($polyPoints,$this->_Bezier_drawfilled(array($lastX, $lastY),array($control1x, $control1y),array($control2x, $control2y),array($newX, $newY),$colorFill));
$lastX = $newX;
$lastY = $newY;
$lastOpe = 'c';
$i=$i+6;
// Dernière ligne droite
}elseif(strtolower(substr($pathArray[$i], 0, 1)) == 'z' || (is_numeric(substr($pathArray[$i], 0, 1)) && strtolower($lastOpe) == 'z')){
if($lastOpe == 'z' && $this->_debug) $this->_log->error('2 bouclages dans une boucle');
$polyPoints = array_merge($polyPoints,array($lastX, $lastY, $lastMX, $lastMY));
$lastMX = $lastX;
$lastMY = $lastY;
//$this->_drawLine($lastX , $lastY , $lastMX , $lastMY , IMG_COLOR_STYLED);
$lastOpe = 'z';
$i++;
// Polyline
}else{
$lastX = $this->_parseInt($pathArray[$i+2]);
$lastY = $this->_parseInt($pathArray[$i+3]);
$lastOpe = 'l'; // s'il n'a aucune lettre, c'est une polyline, donc des... lignes.
$i=$i+2;
}
//if($this->_debug) $this->_log->message('counter :'.$i);
}
$this->_drawPolygon($polyPoints, $colorStroke, $colorFill);
imagecolordeallocate( $this->_image, $colorStroke);
imagecolordeallocate( $this->_image, $colorFill);
imagesetthickness ( $this->_image , 1 );
imagesetstyle ( $this->_image , $this->_getDashedStroke(10, 0, $colorStroke ));
}
/**
* add a circle in the final image
* @param SimpleXMLElement
* @return
*/
private function _parseCircle($circleNode){
$x = 0;
$y = 0;
$r = 0;
$strokeWidth = 1;
$fill = '';
$stroke = '';
extract($this->_getParams($circleNode));
if($this->_getParam('originX') !== null){
$x += $this->_getParam('originX');
}
if($this->_getParam('originY') !== null){
$y += $this->_getParam('originY');
}
if($r == 0)
return;
if($this->_debug) $this->_log->message('Cercle - x : '.$x.' - y : '.$y.' - rayon : '.$r.'-'.$colorStroke[2].' - épaisseur : '.$strokeWidth);
$thickness = imagesetthickness( $this->_image , (int)$strokeWidth );
if($this->_debug && !$thickness) $this->_log->error('Erreur dans la mise en place de l\'épaisseur du trait');
$colorStroke = $this->_allocateColor((string)$stroke);
$colorFill = $this->_allocateColor((string)$fill);
if($fill != '' || ($fill=='' && $stroke=='')){
imagefilledarc($this->_image , $x , $y , $r*2 , $r*2 ,0,359.9, $colorFill, IMG_ARC_PIE );
//imageellipse ($this->_image , $x , $y , $r*2 , $r*2, $colorStroke );
}
if($stroke !=''){
imagearc($this->_image , $x , $y , $r*2 , $r*2,0,359.9, $colorStroke );
}
imagecolordeallocate( $this->_image, $colorStroke);
imagecolordeallocate( $this->_image, $colorFill);
imagesetthickness ( $this->_image , 1 );
}
/**
* add text in the final image <text fill="#000000" x="541" y="258" transform="rotate(-0, 541, 258)" font-size="10" font-family="SansSerif" font-style="normal" font-weight="normal">0</text>
* @param SimpleXMLElement
* @return
*/
private function _parseText($textNode){
$x = 0;
$y = 0;
$r = 0;
$strokeWidth = 1;
$fill = '';
$fontSize = 10;
$fontFamily = 'SansSerif';
$fontStyle = 'normal';
$fontWeight = 'normal';
extract($this->_getParams($textNode));
if($this->_getParam('originX') !== null){
$x += $this->_getParam('originX');
}
if($this->_getParam('originY') !== null){
$y += $this->_getParam('originY');
}
if($textNode == '')
return;
$colorStroke = $this->_allocateColor((string)$fill);
imagestring ( $this->_image , 2 , $x , $y , rtrim($textNode) , $fill );
imagecolordeallocate( $this->_image, $colorStroke);
}
/*
* add a rectangle to the final image
* @param simpleXMLElement
* @return a nice rectangle !
*/
private function _parseRectangle($rectNode){
$x = 0;
$y = 0;
$width = 0;
$height = 0;
$r = 0;
$fill = '';
$stroke = '';
$strokeWidth = 1;
$strokeDasharray = '';
extract($this->_getParams($rectNode));
//case translate
if($this->_getParam('originX') !== null)
$x += $this->_getParam('originX');
if($this->_getParam('originY') !== null)
$y += $this->_getParam('originY');
//end translate
if($width == 0 || $height == 0)
return;
$colorStroke = $this->_allocateColor((string)$stroke);
$colorFill = $this->_allocateColor((string)$fill);
$thickness = imagesetthickness( $this->_image , (int)$strokeWidth );
if($strokeDasharray != ''){
$strokeDasharray = explode(',', $strokeDasharray);
imagesetstyle ( $this->_image , $this->_getDashedStroke($strokeDasharray[0], $strokeDasharray[1], $colorStroke ));
}else
imagesetstyle ( $this->_image , $this->_getDashedStroke(10, 0, $colorStroke ));
if($this->_debug && !$thickness) $this->_log->error('Erreur dans la mise en place de l\'épaisseur du trait');
if($fill != '' || ($fill=='' && $stroke=='')){
imagefilledrectangle ($this->_image , $x , $y , $x+$width , $y+$height, $colorFill );
imagerectangle($this->_image , $x , $y , $x+$width , $y+$height, IMG_COLOR_STYLED);
}
if($stroke != ''){
imagerectangle($this->_image , $x , $y , $x+$width , $y+$height, IMG_COLOR_STYLED);
}
imagecolordeallocate($this->_image,$colorStroke);
imagecolordeallocate($this->_image,$colorFill);
imagesetthickness ( $this->_image , 1 );
imagesetstyle ( $this->_image , $this->_getDashedStroke(10, 0, $colorStroke ));
}
private function _parseLine($lineNode){
$x1 = 0;
$y1 = 0;
$x2 = 0;
$y2 = 0;
$stroke = '';
$strokeWidth = 1;
$strokeDasharray = '';
extract($this->_getParams($lineNode));
//case translate
if($this->_getParam('originX') !== null){
$x1 += $this->_getParam('originX');
$x2 += $this->_getParam('originX');
}
if($this->_getParam('originY') !== null){
$y1 += $this->_getParam('originY');
$y2 += $this->_getParam('originY');
}
//end translate
//case rotation
if($this->_getParam('rotate') !== null){
}
//end rotation
//case scale
if($this->_getParam('scale') !== null){
$xrapport = ($x2 - $x1) / $this->_getParam('scale');
$x2 += $xrapport;
$yrapport = ($y2 - $y1) / $this->_getParam('scale');
$y2 += $yrapport;
if($this->_debug) $this->_log->message('scale by '.Log::decode($this->_getParam('scale')).':'.Log::decode($xrapport).' - '.Log::decode($yrapport));
}
//end scale
$colorStroke = $this->_allocateColor((string)$stroke);
$thickness = imagesetthickness( $this->_image , (int)$strokeWidth );
if($strokeDasharray != ''){
$strokeDasharray = explode(',', $strokeDasharray);
imagesetstyle ( $this->_image , $this->_getDashedStroke($strokeDasharray[0], $strokeDasharray[1], $colorStroke ));
}else
imagesetstyle ( $this->_image , $this->_getDashedStroke(10, 0, $colorStroke ));
//if($this->_debug && !$thickness) $this->_log->error('Erreur dans la mise en place de l\'épaisseur du trait');
$this->_drawLine($x1, $y1, $x2, $y2, $colorStroke);
imagecolordeallocate($this->_image,$colorStroke);
imagesetthickness ( $this->_image , 1 );
imagesetstyle ( $this->_image , $this->_getDashedStroke(10, 0, $colorStroke ));
}
/**
* add a polygon in the final image
* @param simpleXMLElement
* @return po-po-po-polygon !
*/
private function _parsePolygon($polyNode){
$points = '';
$fill = '';
$stroke = '';
$strokeWidth = 1;
extract($this->_getParams($polyNode));
if($points == '')
return;
$pointArray = split('[ ,]', $points);
$colorStroke = $this->_allocateColor((string)$stroke);
$colorFill = $this->_allocateColor((string)$fill);
$thickness = imagesetthickness( $this->_image , (int)$strokeWidth );
if($this->_debug && !$thickness) $this->_log->error('Erreur dans la mise en place de l\'épaisseur du trait');
if($fill != ''){
imagefilledpolygon ($this->_image , $pointArray , count($pointArray)/2 , $colorFill );
}
if($stroke != ''){
imagepolygon ( $this->_image , $pointArray , count($pointArray)/2 , $colorStroke );
}
imagecolordeallocate($this->_image,$colorStroke);
imagecolordeallocate($this->_image,$colorFill);
imagesetthickness ( $this->_image , 1 );
}
/**
* add the description text in the final image
* @param string the description
* @return boolean
*/
private function _parseDescription($desc){
if($this->_debug) $this->_log->message('Ajout de la description : '.$desc);
return imagestring ( $this->_image , 2, 10, $this->_getImageHeight()-20, $desc , imagecolorallocate($this->_image, 255, 255, 255));
}
/**
* @param node <g>
* get group attributes to pass it to children
* parse children
*/
private function _parseGroup($groupNode){
$this->_currentOptions[] = $this->_getParams($groupNode);
foreach($groupNode->children() as $element){
$this->_chooseParse($element);
}
unset($this->_currentOptions[count($this->_currentOptions) -1]);
}
/**
* select what to parse
* @param simpleXMLElement
* @return the selected function
*/
private function _chooseParse($element){
if($element->getName() == 'image')
$this->_parseImage($element);
if($element->getName() == 'circle')
$this->_parseCircle($element);
if($element->getName() == 'rect')
$this->_parseRectangle($element);
if($element->getName() == 'path')
$this->_parsePath($element);
if($element->getName() == 'polygon')
$this->_parsePolygon($element);
if($element->getName() == 'polyline')
$this->_parsePath($element);
if($element->getName() == 'g')
$this->_parseGroup($element);
if($element->getName() == 'text')
$this->_parseText($element);
if($element->getName() == 'line')
$this->_parseLine($element);
//if($element->getName() == 'defs')
// $this->_parseDefs($element);
//if($element->getName() == 'title')
// $this->_parseTitle($element);
if($element->getName() == 'desc' && $this->_showDesc)
$this->_desc = $element;
}
/**
* parse everything, main function
* @param string format of the ouput 'png' 'gif' jpg'
* @param string path where you want to save the file (with the final name), null will just show the image but not saved on server
* @return the image
*/
public function toImage($format = 'png', $path = null){
$writeDesc = null;
$this->_image = imagecreatetruecolor($this->_getImageWidth(), $this->_getImageHeight());
imagefilledrectangle($this->_image, 0, 0 , $this->_getImageWidth(), $this->_getImageHeight(), $this->_allocateColor('white'));
imagealphablending($this->_image, true);
//imageantialias($this->_image, true); // On ne peut pas gérer l'épaisseur des traits si l'antialiasing est activé... lol ?
foreach($this->_svgXML->children() as $element){
$this->_chooseParse($element);
$this->_currentOptions = array();
}
if($this->_showDesc && $this->_desc != null) $this->_parseDescription($this->_desc);
//imagefilter ( $this->_image , IMG_FILTER_SMOOTH, 6);
switch($format){
case 'gif' :
header("Content-type: " . image_type_to_mime_type(IMAGETYPE_GIF));
return imagegif($this->_image, $path);
case 'jpg':
header("Content-type: " . image_type_to_mime_type(IMAGETYPE_JPEG));
return imagejpeg($this->_image, $path);
case 'png' :
default :
header("Content-type: " . image_type_to_mime_type(IMAGETYPE_PNG));
return imagepng($this->_image, $path);
}
}
}
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