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Filename : Vector.php
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<?php

namespace QR_Code\Encoder;

use QR_Code\Util\Tools;

/**
 * Class Vector
 *
 * Based on PHP QR Code distributed under LGPL 3
 * Copyright (C) 2010 Dominik Dzienia <deltalab at poczta dot fm>
 *
 * QR Code Generator for PHP is distributed under MIT
 * Copyright (C) 2018 Bruno Vaula Werneck <brunovaulawerneck at gmail dot com>
 *
 * @package QR_Code\Encoder
 */
class Vector
{
    /**
     * @param             $frame
     * @param string|bool $filename
     * @param int         $pixelPerPoint
     * @param int         $outerFrame
     * @param bool        $saveAndPrint
     * @param int         $backColor
     * @param int         $foreColor
     * @param bool        $cmyk
     */
    public static function eps ($frame, $filename = false, int $pixelPerPoint = 4, int $outerFrame = 4, bool $saveAndPrint = false, int $backColor = 0xFFFFFF, int $foreColor = 0x000000, bool $cmyk = false) : void
    {
        $vect = self::vectEPS($frame, $pixelPerPoint, $outerFrame, $backColor, $foreColor, $cmyk);

        if ($filename === false) {
            header("Content-Type: application/postscript");
            //header('Content-Disposition: filename="qrcode.eps"');
            echo $vect;
        } else {
            if ($saveAndPrint === true) {
                Tools::save($vect, $filename);
                header("Content-Type: application/postscript");
                //header('Content-Disposition: filename="qrcode.eps"');
                echo $vect;
            } else {
                Tools::save($vect, $filename);
            }
        }
    }


    /**
     * @param      $frame
     * @param int  $pixelPerPoint
     * @param int  $outerFrame
     * @param int  $backColor
     * @param int  $foreColor
     * @param bool $cmyk
     * @return string
     */
    private static function vectEPS ($frame, int $pixelPerPoint = 4, int $outerFrame = 4, int $backColor = 0xFFFFFF, int $foreColor = 0x000000, bool $cmyk = false) : string
    {
        $h = count($frame);
        $w = strlen($frame[0]);

        $imgW = $w + 2 * $outerFrame;
        $imgH = $h + 2 * $outerFrame;

        if ($cmyk) {
            // convert color value into decimal eps format
            $c = round((($foreColor & 0xFF000000) >> 16) / 255, 5);
            $m = round((($foreColor & 0x00FF0000) >> 16) / 255, 5);
            $y = round((($foreColor & 0x0000FF00) >> 8) / 255, 5);
            $k = round(($foreColor & 0x000000FF) / 255, 5);
            $foreColor_string = $c . ' ' . $m . ' ' . $y . ' ' . $k . ' setcmykcolor' . "\n";

            // convert color value into decimal eps format
            $c = round((($backColor & 0xFF000000) >> 16) / 255, 5);
            $m = round((($backColor & 0x00FF0000) >> 16) / 255, 5);
            $y = round((($backColor & 0x0000FF00) >> 8) / 255, 5);
            $k = round(($backColor & 0x000000FF) / 255, 5);
            $backColor_string = $c . ' ' . $m . ' ' . $y . ' ' . $k . ' setcmykcolor' . "\n";
        } else {
            // convert a hexadecimal color code into decimal eps format (green = 0 1 0, blue = 0 0 1, ...)
            $r = round((($foreColor & 0xFF0000) >> 16) / 255, 5);
            $b = round((($foreColor & 0x00FF00) >> 8) / 255, 5);
            $g = round(($foreColor & 0x0000FF) / 255, 5);
            $foreColor_string = $r . ' ' . $b . ' ' . $g . ' setrgbcolor' . "\n";

            // convert a hexadecimal color code into decimal eps format (green = 0 1 0, blue = 0 0 1, ...)
            $r = round((($backColor & 0xFF0000) >> 16) / 255, 5);
            $b = round((($backColor & 0x00FF00) >> 8) / 255, 5);
            $g = round(($backColor & 0x0000FF) / 255, 5);
            $backColor_string = $r . ' ' . $b . ' ' . $g . ' setrgbcolor' . "\n";
        }

        $output =
            '%!PS-Adobe EPSF-3.0' . "\n" .
            '%%Creator: PHPQrcodeLib' . "\n" .
            '%%Title: QRcode' . "\n" .
            '%%CreationDate: ' . date('Y-m-d') . "\n" .
            '%%DocumentData: Clean7Bit' . "\n" .
            '%%LanguageLevel: 2' . "\n" .
            '%%Pages: 1' . "\n" .
            '%%BoundingBox: 0 0 ' . $imgW * $pixelPerPoint . ' ' . $imgH * $pixelPerPoint . "\n";

        // set the scale
        $output .= $pixelPerPoint . ' ' . $pixelPerPoint . ' scale' . "\n";
        // position the center of the coordinate system

        $output .= $outerFrame . ' ' . $outerFrame . ' translate' . "\n";


        // redefine the 'rectfill' operator to shorten the syntax
        $output .= '/F { rectfill } def' . "\n";

        // set the symbol color
        $output .= $backColor_string;
        $output .= '-' . $outerFrame . ' -' . $outerFrame . ' ' . ($w + 2 * $outerFrame) . ' ' . ($h + 2 * $outerFrame) . ' F' . "\n";


        // set the symbol color
        $output .= $foreColor_string;

        // Convert the matrix into pixels

        for ($i = 0; $i < $h; $i++) {
            for ($j = 0; $j < $w; $j++) {
                if ($frame[$i][$j] == '1') {
                    $y = $h - 1 - $i;
                    $x = $j;
                    $output .= $x . ' ' . $y . ' 1 1 F' . "\n";
                }
            }
        }


        $output .= '%%EOF';

        return $output;
    }

    /**
     * @param             $frame
     * @param string|bool $filename
     * @param int         $pixelPerPoint
     * @param int         $outerFrame
     * @param bool        $saveAndPrint
     * @param int         $backColor
     * @param int         $foreColor
     */
    public static function svg ($frame, $filename = false, int $pixelPerPoint = 4, int $outerFrame = 4, bool $saveAndPrint = false, int $backColor, int $foreColor) : void
    {
        $vect = self::vectSVG($frame, $pixelPerPoint, $outerFrame, $backColor, $foreColor);

        if ($filename === false) {
            header("Content-Type: image/svg+xml");
            //header('Content-Disposition: attachment, filename="qrcode.svg"');
            echo $vect;
        } else {
            if ($saveAndPrint === true) {
                Tools::save($vect, $filename);
                header("Content-Type: image/svg+xml");
                //header('Content-Disposition: filename="'.$filename.'"');
                echo $vect;
            } else {
                Tools::save($vect, $filename);
            }
        }
    }


    /**
     * @param     $frame
     * @param int $pixelPerPoint
     * @param int $outerFrame
     * @param int $backColor
     * @param int $foreColor
     * @return string
     */
    private static function vectSVG ($frame, int $pixelPerPoint = 4, int $outerFrame = 4, int $backColor = 0xFFFFFF, int $foreColor = 0x000000) : string
    {
        $h = count($frame);
        $w = strlen($frame[0]);

        $imgW = $w + 2 * $outerFrame;
        $imgH = $h + 2 * $outerFrame;


//        $output =
        /*            '<?xml version="1.0" encoding="utf-8"?>'."\n".*/
//            '<svg version="1.1" baseProfile="full"  width="'.$imgW * $pixelPerPoint.'" height="'.$imgH * $pixelPerPoint.'" viewBox="0 0 '.$imgW * $pixelPerPoint.' '.$imgH * $pixelPerPoint.'"
//             xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:ev="http://www.w3.org/2001/xml-events">'."\n".
//            '<desc></desc>'."\n";

        $output =
            '<?xml version="1.0" encoding="utf-8"?>' . "\n" .
            '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">' . "\n" .
            '<svg xmlns="http://www.w3.org/2000/svg" version="1.1" xml:space="preserve" xmlns:xlink="http://www.w3.org/1999/xlink" width="' . $imgW * $pixelPerPoint . '" height="' . $imgH * $pixelPerPoint . '" viewBox="0 0 ' . $imgW * $pixelPerPoint . ' ' . $imgH * $pixelPerPoint . '">' . "\n" .
            '<desc></desc>' . "\n";

        if (!empty($backColor)) {
            $backgroundcolor = str_pad(dechex($backColor), 6, "0", STR_PAD_LEFT);
            $output .= '<rect width="' . $imgW * $pixelPerPoint . '" height="' . $imgH * $pixelPerPoint . '" fill="#' . $backgroundcolor . '" cx="0" cy="0" />' . "\n";
        }

        $output .=
            '<defs>' . "\n\t" .
            '<rect id="p" width="' . $pixelPerPoint . '" height="' . $pixelPerPoint . '" />' . "\n" .
            '</defs>' . "\n" .
            '<g fill="#' . str_pad(dechex($foreColor), 6, "0", STR_PAD_LEFT) . '">' . "\n";


        // Convert the matrix into pixels

        for ($i = 0; $i < $h; $i++) {
            for ($j = 0; $j < $w; $j++) {
                if ($frame[$i][$j] == '1') {
                    $y = ($i + $outerFrame) * $pixelPerPoint;
                    $x = ($j + $outerFrame) * $pixelPerPoint;
                    $output .= "\t" . '<use x="' . $x . '" y="' . $y . '" xlink:href="#p" />' . "\n";
                }
            }
        }
        $output .=
            "</g>\n" .
            '</svg>';

        return $output;
    }
}