0
include 'log.php';
class SVGTOIMAGE{
protected $_svgXML;
protected $_image;
protected $_log;
protected $_x;
protected $_y;
protected $_width;
protected $_height;
protected $_showDesc = false;
protected $_desc;
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 => hex color
because some svg creator uses them
*/
private $colors = array(
'black' => '#000000',
'red' => '#FF0000',
'white' => '#FFFFFF',
'turquoise' => '#00FFFF',
'grey' => '#CCCCCC',
'light grey' => '#C0C0C0',
'light blue' => '#0000FF',
'dark grey' => '#808080',
'dark blue' => '#0000A0',
'light purple' => '#FF0080',
'orange' => '#FF8040',
'dark purple' => '#800080',
'brown' => '#804000',
'yellow' => '#FFFF00',
'burgundy' => '#800000',
'pastel green' => '#00FF00',
'forest green' => '#808000',
'pink' => '#FF00FF',
'grass green' => '#408080',
);
/*
* constructor
* parse the svg with simplexml
*/
public function __construct($svg){
if($this->_debug) $this->_log = new Log('log.dat');
//if($this->_debug) $this->_log->message('Ouverture du fichier contentant : '.$svg);
$this->_svgXML = simplexml_load_string($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($svg);
}
/*
* Construct with a string
* @param : string
* @return : instance of this class
*/
public static function parse($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) $this->_log->message('taille de l\'image : largeur : '.$imageSize['width'].' - longueur : '.$imageSize['height']);
return $imageSize;
}
/*
* @return int final image width
*/
private function _getImageWidth(){
return isset($this->_width) ? $this->_width : $this->_svgXML->attributes()->width;
}
/*
* @return int final image height
*/
private function _getImageHeight(){
return isset($this->_height) ? $this->_height : $this->_svgXML->attributes()->height;
}
/*
* @param string Color code (ie: #CCC , #FE4323, etc...)
* @return array with R | G | B
*/
private function _parseColor($colorCode){
if(strlen($colorCode) == 7){
if($this->_debug) $this->_log->message('Parse Color '.$colorCode);
return array(
base_convert(substr($colorCode, 1, 2), 16, 10),
base_convert(substr($colorCode, 3, 2), 16, 10),
base_convert(substr($colorCode, 5, 2), 16, 10),
);
}
if(strlen($colorCode) == 4){
if($this->_debug) $this->_log->message('Parse Color '.$colorCode);
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($this->_debug) $this->_log->error('Couleur mal indiquée '.$colorCode);
return array(0,0,0);
}
/*
* 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[$color]);
}else{
$arrayColor = $this->_parseColor($color);
}
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 : '.implode('-', $tiret));
return $tiret;
}
/*
* add the given image from svg to the final image
* @param simpleXMLElement
* @return imagecopy
*/
private function _parseImage($imageNode){
$x = 0;
$y = 0;
$width = 0;
$height = 0;
$href = '';
$transform = '';
$r = 0;
foreach($imageNode->attributes() as $name => $value){
switch($name){
case 'x': $x = $value; break;
case 'y': $y = $value; break;
case 'width': $width = $value; break;
case 'height': $height = $value; break;
case 'href':
case 'xlink:href':$href = $value; break;
//case 'r' : $r = $value; break; // no, use transform instead !
case 'transform': $transform = $value;
case 'style' :
$allStyle = split('[;:]', $value);
$i = 0;
while ($i < count($allStyle)) {
if($allStyle[$i] == 'display' && $allStyle[$i+1] == 'none') return;
if($allStyle[$i] == 'fill') $fill = $allStyle[$i+1];
if($allStyle[$i] == 'stroke') $stroke = $allStyle[$i+1];
if($allStyle[$i] == 'stroke-width') $strokeWidth = $allStyle[$i+1];
$i=$i+2;
}
//if(strripos($value, 'display: none') || strripos($value, 'display:none')) return;
break;
}
}
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 || $href == '')
return;
if($this->_debug) $this->_log->message('Image - x : '.$x.' - y : '.$y.' - largeur : '.$width.' - longueur : '.$height.' - url : '.$href.' - angle : '.$r);
$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($newImage)); // Thanks Raphael & GD for saying things wrong.
}
/*
* Check if the given SVG xml is W3C valid
* DEPRECATED and unused anymore
* @param string
* @return boolean
*/
private function _pathIsW3C($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)) {
//if(preg_match('/[-]?(\d+)/', $string, $array)) {
return $array[0];
//return $array[1];
} 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 , $color );
}
}
/*
* add path/lineS/polyline whatever you name it.
* @param simpleXMLElement
* @return lines on the final image via _drawLine
*/
private function _parsePath($pathNode){
// imagesetbrush
// imagesetstyle (pour dotted, dashed etc)
$path = '';
$strokeWidth = 1;
$fill = '';
$stroke = '';
$strokeDasharray = '';
foreach($pathNode->attributes() as $name=>$value){
switch($name){
case 'd': case 'points': $path = $value; break;
case 'stroke': $stroke = $value; break;
case 'fill': $fill = ($value == 'none') ? '' : $value; break;
case 'stroke-width' : $strokeWidth = $value; break;
case 'stroke-dasharray' : $strokeDasharray = $value; break;
$allStyle = split('[;:]', $value);
$i = 0;
while ($i < count($allStyle)) {
if($allStyle[$i] == 'display' && $allStyle[$i+1] == 'none') return;
if($allStyle[$i] == 'fill') $fill = $allStyle[$i+1];
if($allStyle[$i] == 'stroke') $stroke = $allStyle[$i+1];
if($allStyle[$i] == 'stroke-width') $strokeWidth = $allStyle[$i+1];
$i=$i+2;
}
//if(strripos($value, 'display: none') || strripos($value, 'display:none')) return;
break;
}
}
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 != '' ? $this->_allocateColor((string)$stroke) : $this->_allocateColor('black');
$colorFill = $fill != '' ? $this->_allocateColor((string)$fill) : $this->_allocateColor('black');
if($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);
$nbLine = (($nbArray-1)/2)-1;
$i = 0;
$lastX = 0;
$lastY = 0;
$lastMX = 0;
$lastMY = 0;
while ($i < $nbArray) {
// Changement de départ
if(strtolower(substr($pathArray[$i], 0, 1)) == 'm'){
$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')){
$newX = $this->_parseInt($pathArray[$i]);
$newY = $this->_parseInt($pathArray[$i+1]);
$this->_drawLine($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')){
$newX = $this->_parseInt($pathArray[$i]);
$this->_drawLine($lastX , $lastY , $newX , $lastY , IMG_COLOR_STYLED);
$lastOpe = 'h';
$lastX = $newX;
$i++;
// Ligne verticale
}elseif(strtolower(substr($pathArray[$i], 0, 1)) == 'v' || (is_numeric($pathArray[$i]) && strtolower($lastOpe) == 'v')){
$newY = $this->_parseInt($pathArray[$i]);
$this->_drawLine($lastX , $lastY , $lastX , $newY , IMG_COLOR_STYLED);
$lastY = $newY;
$lastOpe = 'v';
$i++;
// Courbe
}elseif(strtolower(substr($pathArray[$i], 0, 1)) == 'c' || (is_numeric($pathArray[$i]) && strtolower($lastOpe) == '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[$i+5]);
if($this->_debug) $this->_log->message('Drawing curve : '.$lastX.' - '.$lastY.' - '.$control1x.' - '.$control1y.' - '.$control2x.' - '.$control2y.' - '.$newX.' - '.$newY);
$this->_drawCurve($lastX, $lastY, $control1x, $control1y, $control2x, $control2y, $newX, $newY, IMG_COLOR_STYLED);
$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');
$this->_drawLine($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);
}
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 = '';
$stroke = '';
foreach($circleNode->attributes() as $name => $value){
switch($name){
case 'cx': $x = $value; break;
case 'cy': $y = $value; break;
case 'r': $r = $value; break;
case 'fill': $fill = ($value == 'none') ? '' : $value; break;
case 'stroke': $stroke = $value; break;
case 'style' : if(strripos($value, 'display: none') || strripos($value, 'display:none')) return; break;
case 'stroke-width' : $strokeWidth = $value; break;
}
}
if($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($fill != ''){
imagefilledarc($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 ( $this->_image , 1 );
}
/*
* add text in the final image 0
* @param SimpleXMLElement
* @return
*/
private function _parseText($textNode){
$x = 0;
$y = 0;
$r = 0;
$strokeWidth = 1;
$fill = '';
$fontSize = 10;
$fontFamily = 'SansSerif';
$fontStyle = 'normal';
$fontWeight = 'normal';
foreach($textNode->attributes() as $name => $value){
switch($name){
case 'x': $x = $value; break;
case 'y': $y = $value; break;
//case 'r': $r = $value; break; // todo
case 'fill': $fill = $value; break;
case 'font-size': $fontSize = $value; break;
case 'font-family': $fontFamily = $value; break;
case 'font-style': $fontStyle = $value; break;
case 'font-weight': $fontWeight = $value; break;
}
}
if($textNode == '')
return;
$colorStroke = $this->_allocateColor((string)$fill);
imagestring ( $this->_image , 2 , $x , $y , $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;
$strokeDasharray = '';
foreach($rectNode->attributes() as $name => $value){
switch($name){
// imagesetstyle (pour dotted, dashed etc)
case 'x': $x = $value; break;
case 'y': $y = $value; break;
case 'r': $r = $value; break;
case 'width': $width = $value; break;
case 'height': $height = $value; break;
case 'fill': $fill = ($value == 'none') ? '' : $value; break;
case 'stroke': $stroke = $value; break;
case 'stroke-width' : $strokeWidth = $value; break;
case 'stroke-dasharray' : $strokeDasharray = $value; break;
//case 'style' : if(strripos($value, 'display: none') || strripos($value, 'display:none')) return; break;
case 'style' :
$allStyle = split('[;:]', $value);
$i = 0;
while ($i < count($allStyle)) {
if($allStyle[$i] == 'display' && $allStyle[$i+1] == 'none') return;
if($allStyle[$i] == 'fill') $fill = $allStyle[$i+1];
if($allStyle[$i] == 'stroke') $stroke = $allStyle[$i+1];
if($allStyle[$i] == 'stroke-width') $strokeWidth = $allStyle[$i+1];
$i=$i+2;
}
//if(strripos($value, 'display: none') || strripos($value, 'display:none')) return;
break;
}
}
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) $this->_log->error('Erreur dans la mise en place de l\'épaisseur du trait');
if($this->_debug) $this->_log->message('Rectangle - x : '.$x.' - y : '.$y.' - width : '.$width.' - height : '.$height.' - fill : '.$colorFill[0].'-'.$colorFill[1].'-'.$colorFill[2].' - stroke : '.$colorStroke[0].'-'.$colorStroke[1].'-'.$colorStroke[2]);
if($fill != ''){
imagefilledrectangle ($this->_image , $x , $y , $x+$width , $y+$height, $colorFill );
}
if($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, $colorStroke ));
}
/*
* add a polygon in the final image
* @param simpleXMLElement
* @return po-po-po-polygon !
*/
private function _parsePolygon($polyNode){
$points = '';
$fill = '';
$stroke = '';
$strokeWidth = 1;
foreach($polyNode->attributes() as $name => $value){
switch($name){
// imagesetstyle (pour dotted, dashed etc)
case 'points' : $points = $value; break;
case 'fill': $fill = ($value == 'none') ? '' : $value; break;
case 'stroke': $stroke = $value; break;
case 'stroke-width' : $strokeWidth = $value; break;
$allStyle = split('[;:]', $value);
$i = 0;
while ($i < count($allStyle)) {
if($allStyle[$i] == 'display' && $allStyle[$i+1] == 'none') return;
if($allStyle[$i] == 'fill') $fill = $allStyle[$i+1];
if($allStyle[$i] == 'stroke') $stroke = $allStyle[$i+1];
if($allStyle[$i] == 'stroke-width') $strokeWidth = $allStyle[$i+1];
$i=$i+2;
}
//if(strripos($value, 'display: none') || strripos($value, 'display:none')) return;
break;
}
}
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));
}
/*
* ignore group for the moment
* acts like ungrouped
*/
private function _parseGroup($groupNode){
foreach($groupNode->children() as $element){
$this->_chooseParse($element);
}
}
/*
* 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() == '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);
}
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);
}
}
}