<?php
echo 'Simple pixel vectorize';
require_once "../svglib/svglib.php";
require 'resource/function.php'; //convert color
$imagePath = 'resource' . DIRECTORY_SEPARATOR . 'axel.png';
$svgPath = 'output' . DIRECTORY_SEPARATOR . 'axel.svg';
$imgContent = file_get_contents( $imagePath );
$img = imagecreatefromstring( $imgContent );
$imageSize = getimagesize( $imagePath );
$imgW = $imageSize[ 0 ];
$imgH = $imageSize[ 1 ];
$svg = SVGDocument::getInstance();
$svg->setWidth( $imgW );
$svg->setHeight( $imgH );
for ( $x = 0; $x < $imgW; $x++ )
{
for ( $y = 0; $y < $imgH; $y++ )
{
$rgb = imagecolorat( $img, $x, $y );
$color = imagecolorsforindex( $img, $rgb );
if ( $color[ 'alpha' ] < 126 )
{
$hex = RGBToHex( $color[ 'red' ], $color[ 'green' ], $color[ 'blue' ] );
//$rect = SVGRect::getInstance( $x, $y, null, 1, 1, new SVGStyle( array( 'fill' => $hex ) ) );
//$d = "m $x,$y 1,0 0,1 -1,0 z";
$x1 = $x + 1;
$y1 = $y + 1;
$d = "M $x,$y $x,$y1 $x1,$y1 $x1,$y ";
@$paths[ $hex ] .= $d;
/* @$paths[$hex][$x . ',' . $y] = $x . ',' . $y;
@$paths[$hex][$x . ',' . $y1] = $x . ',' . $y1;
@$paths[$hex][$x1 . ',' . $y1] = $x1 . ',' . $y1;
@$paths[$hex][$x1 . ',' . $y] = $x1 . ',' . $y; */
//M 25,20 25,21 26,21 26,20 z
//$path = SVGPath::getInstance( $d, null, new SVGStyle( array( 'fill' => $hex ) ) );
//$svg->append( $path );
}
}
}
echo '<pre>';
foreach ( $paths as $hex => $d )
{
//$d = implode( ' L ', $res );
$path = SVGPath::getInstance( $d . ' z', null, new SVGStyle( array( 'fill' => $hex ) ) );
$svg->append( $path );
}
$svg->asXML( $svgPath, TRUE );
echo "<img src='$imagePath'/>";
echo '<embed style="border:solid 1px gray;" src="' . $svgPath . '" type="image/svg+xml" pluginspage="http://www.adobe.com/svg/viewer/install/" /><br / >';
?>
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