Shikiryu/svgToImage
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Commencement de parsing Path (c'est le bordel entre le W3C et l'utilisation réelle...)

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Ajout des couleurs écrites (black, etc.)
This commit is contained in:
Chouchen 2010-11-26 17:18:17 +00:00
parent ae605a1a5f
commit 3929b47d76
2 changed files with 87 additions and 8 deletions
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92
trunk/svgtoimage.php
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@ -4,6 +4,7 @@
// prendre en compte l'opacité grâce à imagecolorallocatealpha ?
// conversion des couleurs "black" , "blue", etc en #000 etc.
// stroke-width pour tous \o/
// pour les rectangles avec point ou tiret http://fr.php.net/manual/fr/function.imagesetstyle.php
include 'log.php';
class SVGTOIMAGE{
@ -21,6 +22,29 @@ class SVGTOIMAGE{
private $transparentColor = array(0,0,255);
public $_debug = true;
//const TIRET = array($red, $red, $red, $red, $red, IMG_COLOR_TRANSPARENT, IMG_COLOR_TRANSPARENT, IMG_COLOR_TRANSPARENT, IMG_COLOR_TRANSPARENT, IMG_COLOR_TRANSPARENT);
private $colors = array(
'black' => '#000000',
'red' => '#FF0000',
'white' => '#FFFFFF',
'turquoise' => '#00FFFF',
'light grey' => '#C0C0C0',
'light blue' => '#0000FF',
'dark grey' => '#808080',
'dark blue' => '#0000A0',
'light purple' => '#FF0080',
'orange' => '#FF8040',
'dark purple' => '#800080',
'brown' => '#804000',
'yellow' => '#FFFF00',
'burgundy' => '#800000',
'pastel green' => '#00FF00',
'forest green' => '#808000',
'pink' => '#FF00FF',
'grass green' => '#408080',
);
public function __construct($svg, $format = 'png'){
if($this->_debug) $this->_log = new Log('log.dat');
$this->_svg = $svg;
@ -127,7 +151,11 @@ class SVGTOIMAGE{
}
private function _allocateColor($color){
$arrayColor = $this->_parseColor($color);
if($color != '' && array_key_exists($color, $this->colors)){
$arrayColor = $this->_parseColor($this->colors[$color]);
}else{
$arrayColor = $this->_parseColor($color);
}
return imagecolorallocate( $this->_image, $arrayColor[0], $arrayColor[1], $arrayColor[2] );
}
@ -183,10 +211,59 @@ class SVGTOIMAGE{
imagecopy($this->_image,$newImage,$x,$y,0,0,imagesx($newImage) , imagesy($newImage));
}
private function _pathIsW3C($path){
if(strripos($path, ','))
return true;
return false;
}
private function _parseInt($string){
if(preg_match('/(\d+)/', $string, $array)) {
return $array[1];
} else {
return 0;
}
}
private function _parsePath($pathNode){
// tODO with imageline ( resource $image , int $x1 , int $y1 , int $x2 , int $y2 , int $color )
// <path d="M50,50 A30,30 0 0,1 35,20 L100,100 M110,110 L100,0" style="stroke:#660000; fill:none;"/>
//<path d="M20 150 L150 350 Z" />
// imagesetbrush
// imagesetstyle (pour dotted, dashed etc)
$path = $pathNode->attributes()->d;
//if($this->_debug) $this->_log->message('Path = '.$path);
if(substr($path, 0,1) != 'M'){
if($this->_debug) $this->_log->error('Mauvais path rencontré : '.$path);
return;
}
if($this->_pathIsW3C($path)){
if($this->_debug) $this->_log->message('Path est compatible W3C');
}else{
if($this->_debug) $this->_log->message('Path n\'est pas compatible W3C');
$pathArray = explode(' ', $path);
$nbArray = count($pathArray);
$nbLine = (($nbArray-1)/2)-1;
if($this->_debug) $this->_log->message($nbLine.' lignes à dessiner');
for($i = 2; $i < $nbArray; $i=$i+2){
// Ligne droite
if(substr($pathArray[$i], 0, 1) == 'L'){
if(!imageline( $this->_image , $this->_parseInt($pathArray[$i-2]) , $this->_parseInt($pathArray[$i-1]) , $this->_parseInt($pathArray[$i]) , $this->_parseInt($pathArray[$i+1]) , $this->_allocateColor('black') )){
if($this->_debug) $this->_log->error('Chemin erroné : '.$this->_parseInt($pathArray[$i-2]).' - '.$this->_parseInt($pathArray[$i-1]).' - '.$this->_parseInt($pathArray[$i]).' - '.$this->_parseInt($pathArray[$i+1]));
}else{
if($this->_debug) $this->_log->message('Chemin : '.$this->_parseInt($pathArray[$i-2]).' - '.$this->_parseInt($pathArray[$i-1]).' - '.$this->_parseInt($pathArray[$i]).' - '.$this->_parseInt($pathArray[$i+1]));
}
}
if(substr($pathArray[$i], 0, 1) == 'Z'){
if(!imageline( $this->_image , $this->_parseInt($pathArray[$i-2]) , $this->_parseInt($pathArray[$i-1]) , $this->_parseInt($pathArray[0]) , $this->_parseInt($pathArray[1]) , $this->_allocateColor('black') )){
if($this->_debug) $this->_log->error('Chemin erroné : '.$this->_parseInt($pathArray[$i-2]).' - '.$this->_parseInt($pathArray[$i-1]).' - '.$this->_parseInt($pathArray[0]).' - '.$this->_parseInt($pathArray[1]));
}else{
if($this->_debug) $this->_log->message('Chemin : '.$this->_parseInt($pathArray[$i-2]).' - '.$this->_parseInt($pathArray[$i-1]).' - '.$this->_parseInt($pathArray[0]).' - '.$this->_parseInt($pathArray[1]));
}
}
}
}
}
private function _parseCircle($circleNode){
@ -198,7 +275,6 @@ class SVGTOIMAGE{
$stroke = '';
foreach($circleNode->attributes() as $name => $value){
switch($name){
//TODO style display:none
case 'cx': $x = $value; break;
case 'cy': $y = $value; break;
case 'r': $r = $value; break;
@ -215,8 +291,8 @@ class SVGTOIMAGE{
$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 = $this->_allocateColor($stroke);
$colorFill = $this->_allocateColor($fill);
$colorStroke = $this->_allocateColor((string)$stroke);
$colorFill = $this->_allocateColor((string)$fill);
if($fill == ''){
imagearc($this->_image , $x , $y , $r*2 , $r*2,0,359.9, $colorStroke );
@ -257,8 +333,8 @@ class SVGTOIMAGE{
}
if($width == 0 || $height == 0)
return;
$colorStroke = $this->_allocateColor($stroke);
$colorFill = $this->_allocateColor($fill);
$colorStroke = $this->_allocateColor((string)$stroke);
$colorFill = $this->_allocateColor((string)$fill);
$thickness = imagesetthickness( $this->_image , (int)$strokeWidth );
if($this->_debug && !$thickness) $this->_log->error('Erreur dans la mise en place de l\'épaisseur du trait');
if($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]);
@ -290,6 +366,8 @@ class SVGTOIMAGE{
$this->_parseCircle($element);
if($element->getName() == 'rect')
$this->_parseRectangle($element);
if($element->getName() == 'path')
$this->_parsePath($element);
if($element->getName() == 'desc' && $this->_showDesc)
$writeDesc = $element;
}

3
trunk/test.php
View File

@ -9,9 +9,10 @@ $svg = '<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="600" height
<defs></defs>
<image x="0" y="0" width="300" height="512" preserveAspectRatio="none" href="http://labs.shikiryu.com/experimental-cut/images/pieces/fond.jpg"></image>
<rect x="168" y="275" width="52" height="70" r="0" rx="0" ry="0" fill="none" stroke="#FFF" stroke-width="3" stroke-dasharray="8,3" transform="rotate(21.91207728 194 310)" style="opacity: 1;" opacity="1"></rect>
<circle cx="50" cy="50" r="50" fill="#FFFFFF" stroke="#000"></circle>
<circle cx="50" cy="50" r="50" fill="turquoise" stroke="#000"></circle>
<circle cx="100" cy="50" r="40" stroke="#000" stroke-width="2" fill="none"/>
<image x="170" y="277" width="48" height="66" preserveAspectRatio="none" href="http://labs.shikiryu.com/experimental-cut/images/pieces/1.png" style="cursor: move; opacity: 1; " r="90" opacity="1" transform="rotate(21.91207728 194 310)"></image>
<path d="M250 150 L150 350 L350 350 Z" />
</svg>';
$svgtoimage = SVGTOIMAGE::parse($svg);