One Hat Cyber Team

View File Name : Adapter.tar

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/**
 * @package dompdf
 * @link    https://github.com/dompdf/dompdf
 * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
 */
namespace Dompdf\Adapter;

use Dompdf\Canvas;
use Dompdf\Dompdf;
use Dompdf\Helpers;
use Dompdf\Image\Cache;

/**
 * Image rendering interface
 *
 * Renders to an image format supported by GD (jpeg, gif, png, xpm).
 * Not super-useful day-to-day but handy nonetheless
 *
 * @package dompdf
 */
class GD implements Canvas
{
    /**
     * @var Dompdf
     */
    protected $_dompdf;

    /**
     * Resource handle for the image
     *
     * @var \GdImage|resource
     */
    protected $_img;

    /**
     * Resource handle for the image
     *
     * @var \GdImage[]|resource[]
     */
    protected $_imgs;

    /**
     * Apparent canvas width in pixels
     *
     * @var int
     */
    protected $_width;

    /**
     * Apparent canvas height in pixels
     *
     * @var int
     */
    protected $_height;

    /**
     * Actual image width in pixels
     *
     * @var int
     */
    protected $_actual_width;

    /**
     * Actual image height in pixels
     *
     * @var int
     */
    protected $_actual_height;

    /**
     * Current page number
     *
     * @var int
     */
    protected $_page_number;

    /**
     * Total number of pages
     *
     * @var int
     */
    protected $_page_count;

    /**
     * Image antialias factor
     *
     * @var float
     */
    protected $_aa_factor;

    /**
     * Allocated colors
     *
     * @var array
     */
    protected $_colors;

    /**
     * Background color
     *
     * @var int
     */
    protected $_bg_color;

    /**
     * Background color array
     *
     * @var array
     */
    protected $_bg_color_array;

    /**
     * Actual DPI
     *
     * @var int
     */
    protected $dpi;

    /**
     * Amount to scale font sizes
     *
     * Font sizes are 72 DPI, GD internally uses 96. Scale them proportionally.
     * 72 / 96 = 0.75.
     *
     * @var float
     */
    const FONT_SCALE = 0.75;

    /**
     * @param string|float[] $paper       The paper size to use as either a standard paper size (see {@link CPDF::$PAPER_SIZES}) or
     *                                    an array of the form `[x1, y1, x2, y2]` (typically `[0, 0, width, height]`).
     * @param string         $orientation The paper orientation, either `portrait` or `landscape`.
     * @param Dompdf|null    $dompdf      The Dompdf instance.
     * @param float          $aa_factor   Anti-aliasing factor, 1 for no AA
     * @param array          $bg_color    Image background color: array(r,g,b,a), 0 <= r,g,b,a <= 1
     */
    public function __construct($paper = "letter", string $orientation = "portrait", ?Dompdf $dompdf = null, float $aa_factor = 1.0, array $bg_color = [1, 1, 1, 0])
    {
        if (is_array($paper)) {
            $size = array_map("floatval", $paper);
        } else {
            $paper = strtolower($paper);
            $size = CPDF::$PAPER_SIZES[$paper] ?? CPDF::$PAPER_SIZES["letter"];
        }

        if (strtolower($orientation) === "landscape") {
            [$size[2], $size[3]] = [$size[3], $size[2]];
        }

        if ($dompdf === null) {
            $this->_dompdf = new Dompdf();
        } else {
            $this->_dompdf = $dompdf;
        }

        $this->dpi = $this->get_dompdf()->getOptions()->getDpi();

        if ($aa_factor < 1) {
            $aa_factor = 1;
        }

        $this->_aa_factor = $aa_factor;

        $size[2] *= $aa_factor;
        $size[3] *= $aa_factor;

        $this->_width = $size[2] - $size[0];
        $this->_height = $size[3] - $size[1];

        $this->_actual_width = $this->_upscale($this->_width);
        $this->_actual_height = $this->_upscale($this->_height);

        $this->_page_number = $this->_page_count = 0;

        if (is_null($bg_color) || !is_array($bg_color)) {
            // Pure white bg
            $bg_color = [1, 1, 1, 0];
        }

        $this->_bg_color_array = $bg_color;

        $this->new_page();
    }

    public function get_dompdf()
    {
        return $this->_dompdf;
    }

    /**
     * Return the GD image resource
     *
     * @return \GdImage|resource
     */
    public function get_image()
    {
        return $this->_img;
    }

    /**
     * Return the image's width in pixels
     *
     * @return int
     */
    public function get_width()
    {
        return round($this->_width / $this->_aa_factor);
    }

    /**
     * Return the image's height in pixels
     *
     * @return int
     */
    public function get_height()
    {
        return round($this->_height / $this->_aa_factor);
    }

    public function get_page_number()
    {
        return $this->_page_number;
    }

    public function get_page_count()
    {
        return $this->_page_count;
    }

    /**
     * Sets the current page number
     *
     * @param int $num
     */
    public function set_page_number($num)
    {
        $this->_page_number = $num;
    }

    public function set_page_count($count)
    {
        $this->_page_count = $count;
    }

    public function set_opacity(float $opacity, string $mode = "Normal"): void
    {
        // FIXME
    }

    /**
     * Allocate a new color.  Allocate with GD as needed and store
     * previously allocated colors in $this->_colors.
     *
     * @param array $color The new current color
     * @return int The allocated color
     */
    protected function _allocate_color($color)
    {
        $a = isset($color["alpha"]) ? $color["alpha"] : 1;

        if (isset($color["c"])) {
            $color = Helpers::cmyk_to_rgb($color);
        }

        list($r, $g, $b) = $color;

        $r = round($r * 255);
        $g = round($g * 255);
        $b = round($b * 255);
        $a = round(127 - ($a * 127));

        // Clip values
        $r = $r > 255 ? 255 : $r;
        $g = $g > 255 ? 255 : $g;
        $b = $b > 255 ? 255 : $b;
        $a = $a > 127 ? 127 : $a;

        $r = $r < 0 ? 0 : $r;
        $g = $g < 0 ? 0 : $g;
        $b = $b < 0 ? 0 : $b;
        $a = $a < 0 ? 0 : $a;

        $key = sprintf("#%02X%02X%02X%02X", $r, $g, $b, $a);

        if (isset($this->_colors[$key])) {
            return $this->_colors[$key];
        }

        if ($a != 0) {
            $this->_colors[$key] = imagecolorallocatealpha($this->get_image(), $r, $g, $b, $a);
        } else {
            $this->_colors[$key] = imagecolorallocate($this->get_image(), $r, $g, $b);
        }

        return $this->_colors[$key];
    }

    /**
     * Scales value up to the current canvas DPI from 72 DPI
     *
     * @param float $length
     * @return int
     */
    protected function _upscale($length)
    {
        return round(($length * $this->dpi) / 72 * $this->_aa_factor);
    }

    /**
     * Scales value down from the current canvas DPI to 72 DPI
     *
     * @param float $length
     * @return float
     */
    protected function _downscale($length)
    {
        return round(($length / $this->dpi * 72) / $this->_aa_factor);
    }

    protected function convertStyle(array $style, int $color, int $width): array
    {
        $gdStyle = [];

        if (count($style) === 1) {
            $style[] = $style[0];
        }

        foreach ($style as $index => $s) {
            $d = $this->_upscale($s);

            for ($i = 0; $i < $d; $i++) {
                for ($j = 0; $j < $width; $j++) {
                    $gdStyle[] = $index % 2 === 0
                        ? $color
                        : IMG_COLOR_TRANSPARENT;
                }
            }
        }

        return $gdStyle;
    }

    public function line($x1, $y1, $x2, $y2, $color, $width, $style = [], $cap = "butt")
    {
        // Account for the fact that round and square caps are expected to
        // extend outwards
        if ($cap === "round" || $cap === "square") {
            // Shift line by half width
            $w = $width / 2;
            $a = $x2 - $x1;
            $b = $y2 - $y1;
            $c = sqrt($a ** 2 + $b ** 2);
            $dx = $a * $w / $c;
            $dy = $b * $w / $c;

            $x1 -= $dx;
            $x2 -= $dx;
            $y1 -= $dy;
            $y2 -= $dy;

            // Adapt dash pattern
            if (is_array($style)) {
                foreach ($style as $index => &$s) {
                    $s = $index % 2 === 0 ? $s + $width : $s - $width;
                }
            }
        }

        // Scale by the AA factor and DPI
        $x1 = $this->_upscale($x1);
        $y1 = $this->_upscale($y1);
        $x2 = $this->_upscale($x2);
        $y2 = $this->_upscale($y2);
        $width = $this->_upscale($width);

        $c = $this->_allocate_color($color);

        // Convert the style array if required
        if (is_array($style) && count($style) > 0) {
            $gd_style = $this->convertStyle($style, $c, $width);

            if (!empty($gd_style)) {
                imagesetstyle($this->get_image(), $gd_style);
                $c = IMG_COLOR_STYLED;
            }
        }

        imagesetthickness($this->get_image(), $width);

        imageline($this->get_image(), $x1, $y1, $x2, $y2, $c);
    }

    public function arc($x, $y, $r1, $r2, $astart, $aend, $color, $width, $style = [], $cap = "butt")
    {
        // Account for the fact that round and square caps are expected to
        // extend outwards
        if ($cap === "round" || $cap === "square") {
            // Adapt dash pattern
            if (is_array($style)) {
                foreach ($style as $index => &$s) {
                    $s = $index % 2 === 0 ? $s + $width : $s - $width;
                }
            }
        }

        // Scale by the AA factor and DPI
        $x = $this->_upscale($x);
        $y = $this->_upscale($y);
        $w = $this->_upscale($r1 * 2);
        $h = $this->_upscale($r2 * 2);
        $width = $this->_upscale($width);

        // Adapt angles as imagearc counts clockwise
        $start = 360 - $aend;
        $end = 360 - $astart;

        $c = $this->_allocate_color($color);

        // Convert the style array if required
        if (is_array($style) && count($style) > 0) {
            $gd_style = $this->convertStyle($style, $c, $width);

            if (!empty($gd_style)) {
                imagesetstyle($this->get_image(), $gd_style);
                $c = IMG_COLOR_STYLED;
            }
        }

        imagesetthickness($this->get_image(), $width);

        imagearc($this->get_image(), $x, $y, $w, $h, $start, $end, $c);
    }

    public function rectangle($x1, $y1, $w, $h, $color, $width, $style = [], $cap = "butt")
    {
        // Account for the fact that round and square caps are expected to
        // extend outwards
        if ($cap === "round" || $cap === "square") {
            // Adapt dash pattern
            if (is_array($style)) {
                foreach ($style as $index => &$s) {
                    $s = $index % 2 === 0 ? $s + $width : $s - $width;
                }
            }
        }

        // Scale by the AA factor and DPI
        $x1 = $this->_upscale($x1);
        $y1 = $this->_upscale($y1);
        $w = $this->_upscale($w);
        $h = $this->_upscale($h);
        $width = $this->_upscale($width);

        $c = $this->_allocate_color($color);

        // Convert the style array if required
        if (is_array($style) && count($style) > 0) {
            $gd_style = $this->convertStyle($style, $c, $width);

            if (!empty($gd_style)) {
                imagesetstyle($this->get_image(), $gd_style);
                $c = IMG_COLOR_STYLED;
            }
        }

        imagesetthickness($this->get_image(), $width);

        if ($c === IMG_COLOR_STYLED) {
            imagepolygon($this->get_image(), [
                $x1, $y1,
                $x1 + $w, $y1,
                $x1 + $w, $y1 + $h,
                $x1, $y1 + $h
            ], $c);
        } else {
            imagerectangle($this->get_image(), $x1, $y1, $x1 + $w, $y1 + $h, $c);
        }
    }

    public function filled_rectangle($x1, $y1, $w, $h, $color)
    {
        // Scale by the AA factor and DPI
        $x1 = $this->_upscale($x1);
        $y1 = $this->_upscale($y1);
        $w = $this->_upscale($w);
        $h = $this->_upscale($h);

        $c = $this->_allocate_color($color);

        imagefilledrectangle($this->get_image(), $x1, $y1, $x1 + $w, $y1 + $h, $c);
    }

    public function clipping_rectangle($x1, $y1, $w, $h)
    {
        // @todo
    }

    public function clipping_roundrectangle($x1, $y1, $w, $h, $rTL, $rTR, $rBR, $rBL)
    {
        // @todo
    }

    public function clipping_polygon(array $points): void
    {
        // @todo
    }

    public function clipping_end()
    {
        // @todo
    }

    public function save()
    {
        $this->get_dompdf()->getOptions()->setDpi(72);
    }

    public function restore()
    {
        $this->get_dompdf()->getOptions()->setDpi($this->dpi);
    }

    public function rotate($angle, $x, $y)
    {
        // @todo
    }

    public function skew($angle_x, $angle_y, $x, $y)
    {
        // @todo
    }

    public function scale($s_x, $s_y, $x, $y)
    {
        // @todo
    }

    public function translate($t_x, $t_y)
    {
        // @todo
    }

    public function transform($a, $b, $c, $d, $e, $f)
    {
        // @todo
    }

    public function polygon($points, $color, $width = null, $style = [], $fill = false)
    {
        // Scale each point by the AA factor and DPI
        foreach (array_keys($points) as $i) {
            $points[$i] = $this->_upscale($points[$i]);
        }

        $width = isset($width) ? $this->_upscale($width) : null;

        $c = $this->_allocate_color($color);

        // Convert the style array if required
        if (is_array($style) && count($style) > 0 && isset($width) && !$fill) {
            $gd_style = $this->convertStyle($style, $c, $width);

            if (!empty($gd_style)) {
                imagesetstyle($this->get_image(), $gd_style);
                $c = IMG_COLOR_STYLED;
            }
        }

        imagesetthickness($this->get_image(), isset($width) ? $width : 0);

        if ($fill) {
            imagefilledpolygon($this->get_image(), $points, $c);
        } else {
            imagepolygon($this->get_image(), $points, $c);
        }
    }

    public function circle($x, $y, $r, $color, $width = null, $style = [], $fill = false)
    {
        // Scale by the AA factor and DPI
        $x = $this->_upscale($x);
        $y = $this->_upscale($y);
        $d = $this->_upscale(2 * $r);
        $width = isset($width) ? $this->_upscale($width) : null;

        $c = $this->_allocate_color($color);

        // Convert the style array if required
        if (is_array($style) && count($style) > 0 && isset($width) && !$fill) {
            $gd_style = $this->convertStyle($style, $c, $width);

            if (!empty($gd_style)) {
                imagesetstyle($this->get_image(), $gd_style);
                $c = IMG_COLOR_STYLED;
            }
        }

        imagesetthickness($this->get_image(), isset($width) ? $width : 0);

        if ($fill) {
            imagefilledellipse($this->get_image(), $x, $y, $d, $d, $c);
        } else {
            imageellipse($this->get_image(), $x, $y, $d, $d, $c);
        }
    }

    /**
     * @throws \Exception
     */
    public function image($img, $x, $y, $w, $h, $resolution = "normal")
    {
        $img_type = Cache::detect_type($img, $this->get_dompdf()->getHttpContext());

        if (!$img_type) {
            return;
        }

        $func_name = "imagecreatefrom$img_type";
        if (!function_exists($func_name)) {
            if (!method_exists(Helpers::class, $func_name)) {
                throw new \Exception("Function $func_name() not found.  Cannot convert $img_type image: $img.  Please install the image PHP extension.");
            }
            $func_name = [Helpers::class, $func_name];
        }
        $src = @call_user_func($func_name, $img);

        if (!$src) {
            return; // Probably should add to $_dompdf_errors or whatever here
        }

        // Scale by the AA factor and DPI
        $x = $this->_upscale($x);
        $y = $this->_upscale($y);

        $w = $this->_upscale($w);
        $h = $this->_upscale($h);

        $img_w = imagesx($src);
        $img_h = imagesy($src);

        imagecopyresampled($this->get_image(), $src, $x, $y, 0, 0, $w, $h, $img_w, $img_h);
    }

    public function text($x, $y, $text, $font, $size, $color = [0, 0, 0], $word_spacing = 0.0, $char_spacing = 0.0, $angle = 0.0)
    {
        // Scale by the AA factor and DPI
        $x = $this->_upscale($x);
        $y = $this->_upscale($y);
        $size = $this->_upscale($size) * self::FONT_SCALE;

        $h = round($this->get_font_height_actual($font, $size));
        $c = $this->_allocate_color($color);

        // imagettftext() converts numeric entities to their respective
        // character. Preserve any originally double encoded entities to be
        // represented as is.
        // eg: &amp;#160; will render &#160; rather than its character.
        $text = preg_replace('/&(#(?:x[a-fA-F0-9]+|[0-9]+);)/', '&#38;\1', $text);

        $text = mb_encode_numericentity($text, [0x0080, 0xff, 0, 0xff], 'UTF-8');

        $font = $this->get_ttf_file($font);

        // FIXME: word spacing
        imagettftext($this->get_image(), $size, $angle, $x, $y + $h, $c, $font, $text);
    }

    public function javascript($code)
    {
        // Not implemented
    }

    public function add_named_dest($anchorname)
    {
        // Not implemented
    }

    public function add_link($url, $x, $y, $width, $height)
    {
        // Not implemented
    }

    public function add_info(string $label, string $value): void
    {
        // N/A
    }

    public function set_default_view($view, $options = [])
    {
        // N/A
    }

    public function get_text_width($text, $font, $size, $word_spacing = 0.0, $char_spacing = 0.0)
    {
        $font = $this->get_ttf_file($font);
        $size = $this->_upscale($size) * self::FONT_SCALE;

        // imagettfbbox() converts numeric entities to their respective
        // character. Preserve any originally double encoded entities to be
        // represented as is.
        // eg: &amp;#160; will render &#160; rather than its character.
        $text = preg_replace('/&(#(?:x[a-fA-F0-9]+|[0-9]+);)/', '&#38;\1', $text);

        $text = mb_encode_numericentity($text, [0x0080, 0xffff, 0, 0xffff], 'UTF-8');

        // FIXME: word spacing
        list($x1, , $x2) = imagettfbbox($size, 0, $font, $text);

        // Add additional 1pt to prevent text overflow issues
        return $this->_downscale($x2 - $x1) + 1;
    }

    /**
     * @param string|null $font
     * @return string
     */
    public function get_ttf_file($font)
    {
        if ($font === null) {
            $font = "";
        }

        if ( stripos($font, ".ttf") === false ) {
            $font .= ".ttf";
        }

        if (!file_exists($font)) {
            $font_metrics = $this->_dompdf->getFontMetrics();
            $font = $font_metrics->getFont($this->_dompdf->getOptions()->getDefaultFont()) . ".ttf";
            if (!file_exists($font)) {
                if (strpos($font, "mono")) {
                    $font = $font_metrics->getFont("DejaVu Mono") . ".ttf";
                } elseif (strpos($font, "sans") !== false) {
                    $font = $font_metrics->getFont("DejaVu Sans") . ".ttf";
                } elseif (strpos($font, "serif")) {
                    $font = $font_metrics->getFont("DejaVu Serif") . ".ttf";
                } else {
                    $font = $font_metrics->getFont("DejaVu Sans") . ".ttf";
                }
            }
        }

        return $font;
    }

    public function get_font_height($font, $size)
    {
        $size = $this->_upscale($size) * self::FONT_SCALE;

        $height = $this->get_font_height_actual($font, $size);

        return $this->_downscale($height);
    }

    /**
     * @param string $font
     * @param float  $size
     *
     * @return float
     */
    protected function get_font_height_actual($font, $size)
    {
        $font = $this->get_ttf_file($font);
        $ratio = $this->_dompdf->getOptions()->getFontHeightRatio();

        // FIXME: word spacing
        list(, $y2, , , , $y1) = imagettfbbox($size, 0, $font, "MXjpqytfhl"); // Test string with ascenders, descenders and caps
        return ($y2 - $y1) * $ratio;
    }

    public function get_font_baseline($font, $size)
    {
        $ratio = $this->_dompdf->getOptions()->getFontHeightRatio();
        return $this->get_font_height($font, $size) / $ratio;
    }

    public function new_page()
    {
        $this->_page_number++;
        $this->_page_count++;

        $this->_img = imagecreatetruecolor($this->_actual_width, $this->_actual_height);

        $this->_bg_color = $this->_allocate_color($this->_bg_color_array);
        imagealphablending($this->_img, true);
        imagesavealpha($this->_img, true);
        imagefill($this->_img, 0, 0, $this->_bg_color);

        $this->_imgs[] = $this->_img;
    }

    public function open_object()
    {
        // N/A
    }

    public function close_object()
    {
        // N/A
    }

    public function add_object()
    {
        // N/A
    }

    public function page_script($callback): void
    {
        // N/A
    }

    public function page_text($x, $y, $text, $font, $size, $color = [0, 0, 0], $word_space = 0.0, $char_space = 0.0, $angle = 0.0)
    {
        // N/A
    }

    public function page_line($x1, $y1, $x2, $y2, $color, $width, $style = [])
    {
        // N/A
    }

    /**
     * Streams the image to the client.
     *
     * @param string $filename The filename to present to the client.
     * @param array  $options  Associative array: 'type' => jpeg|jpg|png; 'quality' => 0 - 100 (JPEG only);
     *     'page' => Number of the page to output (defaults to the first); 'Attachment': 1 or 0 (default 1).
     */
    public function stream($filename, $options = [])
    {
        if (headers_sent()) {
            die("Unable to stream image: headers already sent");
        }

        if (!isset($options["type"])) $options["type"] = "png";
        if (!isset($options["Attachment"])) $options["Attachment"] = true;
        $type = strtolower($options["type"]);

        switch ($type) {
            case "jpg":
            case "jpeg":
                $contentType = "image/jpeg";
                $extension = ".jpg";
                break;
            case "png":
            default:
                $contentType = "image/png";
                $extension = ".png";
                break;
        }

        header("Cache-Control: private");
        header("Content-Type: $contentType");

        $filename = str_replace(["\n", "'"], "", basename($filename, ".$type")) . $extension;
        $attachment = $options["Attachment"] ? "attachment" : "inline";
        header(Helpers::buildContentDispositionHeader($attachment, $filename));

        $this->_output($options);
        flush();
    }

    /**
     * Returns the image as a string.
     *
     * @param array $options Associative array: 'type' => jpeg|jpg|png; 'quality' => 0 - 100 (JPEG only);
     *     'page' => Number of the page to output (defaults to the first).
     * @return string
     */
    public function output($options = [])
    {
        ob_start();

        $this->_output($options);

        return ob_get_clean();
    }

    /**
     * Outputs the image stream directly.
     *
     * @param array $options Associative array: 'type' => jpeg|jpg|png; 'quality' => 0 - 100 (JPEG only);
     *     'page' => Number of the page to output (defaults to the first).
     */
    protected function _output($options = [])
    {
        if (!isset($options["type"])) $options["type"] = "png";
        if (!isset($options["page"])) $options["page"] = 1;
        $type = strtolower($options["type"]);

        if (isset($this->_imgs[$options["page"] - 1])) {
            $img = $this->_imgs[$options["page"] - 1];
        } else {
            $img = $this->_imgs[0];
        }

        // Perform any antialiasing
        if ($this->_aa_factor != 1) {
            $dst_w = round($this->_actual_width / $this->_aa_factor);
            $dst_h = round($this->_actual_height / $this->_aa_factor);
            $dst = imagecreatetruecolor($dst_w, $dst_h);
            imagecopyresampled($dst, $img, 0, 0, 0, 0,
                $dst_w, $dst_h,
                $this->_actual_width, $this->_actual_height);
        } else {
            $dst = $img;
        }

        switch ($type) {
            case "jpg":
            case "jpeg":
                if (!isset($options["quality"])) {
                    $options["quality"] = 75;
                }

                imagejpeg($dst, null, $options["quality"]);
                break;
            case "png":
            default:
                imagepng($dst);
                break;
        }

        if ($this->_aa_factor != 1) {
            imagedestroy($dst);
        }
    }
}
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/**
 * @package dompdf
 * @link    https://github.com/dompdf/dompdf
 * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
 */

// FIXME: Need to sanity check inputs to this class
namespace Dompdf\Adapter;

use Dompdf\Canvas;
use Dompdf\Dompdf;
use Dompdf\Exception;
use Dompdf\FontMetrics;
use Dompdf\Helpers;
use Dompdf\Image\Cache;
use FontLib\Exception\FontNotFoundException;

/**
 * PDF rendering interface
 *
 * Dompdf\Adapter\CPDF provides a simple stateless interface to the stateful one
 * provided by the Cpdf class.
 *
 * Unless otherwise mentioned, all dimensions are in points (1/72 in).  The
 * coordinate origin is in the top left corner, and y values increase
 * downwards.
 *
 * See {@link http://www.ros.co.nz/pdf/} for more complete documentation
 * on the underlying {@link Cpdf} class.
 *
 * @package dompdf
 */
class CPDF implements Canvas
{

    /**
     * Dimensions of paper sizes in points
     *
     * @var array
     */
    static $PAPER_SIZES = [
        "4a0" => [0.0, 0.0, 4767.87, 6740.79],
        "2a0" => [0.0, 0.0, 3370.39, 4767.87],
        "a0" => [0.0, 0.0, 2383.94, 3370.39],
        "a1" => [0.0, 0.0, 1683.78, 2383.94],
        "a2" => [0.0, 0.0, 1190.55, 1683.78],
        "a3" => [0.0, 0.0, 841.89, 1190.55],
        "a4" => [0.0, 0.0, 595.28, 841.89],
        "a5" => [0.0, 0.0, 419.53, 595.28],
        "a6" => [0.0, 0.0, 297.64, 419.53],
        "a7" => [0.0, 0.0, 209.76, 297.64],
        "a8" => [0.0, 0.0, 147.40, 209.76],
        "a9" => [0.0, 0.0, 104.88, 147.40],
        "a10" => [0.0, 0.0, 73.70, 104.88],
        "b0" => [0.0, 0.0, 2834.65, 4008.19],
        "b1" => [0.0, 0.0, 2004.09, 2834.65],
        "b2" => [0.0, 0.0, 1417.32, 2004.09],
        "b3" => [0.0, 0.0, 1000.63, 1417.32],
        "b4" => [0.0, 0.0, 708.66, 1000.63],
        "b5" => [0.0, 0.0, 498.90, 708.66],
        "b6" => [0.0, 0.0, 354.33, 498.90],
        "b7" => [0.0, 0.0, 249.45, 354.33],
        "b8" => [0.0, 0.0, 175.75, 249.45],
        "b9" => [0.0, 0.0, 124.72, 175.75],
        "b10" => [0.0, 0.0, 87.87, 124.72],
        "c0" => [0.0, 0.0, 2599.37, 3676.54],
        "c1" => [0.0, 0.0, 1836.85, 2599.37],
        "c2" => [0.0, 0.0, 1298.27, 1836.85],
        "c3" => [0.0, 0.0, 918.43, 1298.27],
        "c4" => [0.0, 0.0, 649.13, 918.43],
        "c5" => [0.0, 0.0, 459.21, 649.13],
        "c6" => [0.0, 0.0, 323.15, 459.21],
        "c7" => [0.0, 0.0, 229.61, 323.15],
        "c8" => [0.0, 0.0, 161.57, 229.61],
        "c9" => [0.0, 0.0, 113.39, 161.57],
        "c10" => [0.0, 0.0, 79.37, 113.39],
        "ra0" => [0.0, 0.0, 2437.80, 3458.27],
        "ra1" => [0.0, 0.0, 1729.13, 2437.80],
        "ra2" => [0.0, 0.0, 1218.90, 1729.13],
        "ra3" => [0.0, 0.0, 864.57, 1218.90],
        "ra4" => [0.0, 0.0, 609.45, 864.57],
        "sra0" => [0.0, 0.0, 2551.18, 3628.35],
        "sra1" => [0.0, 0.0, 1814.17, 2551.18],
        "sra2" => [0.0, 0.0, 1275.59, 1814.17],
        "sra3" => [0.0, 0.0, 907.09, 1275.59],
        "sra4" => [0.0, 0.0, 637.80, 907.09],
        "letter" => [0.0, 0.0, 612.00, 792.00],
        "half-letter" => [0.0, 0.0, 396.00, 612.00],
        "legal" => [0.0, 0.0, 612.00, 1008.00],
        "ledger" => [0.0, 0.0, 1224.00, 792.00],
        "tabloid" => [0.0, 0.0, 792.00, 1224.00],
        "executive" => [0.0, 0.0, 521.86, 756.00],
        "folio" => [0.0, 0.0, 612.00, 936.00],
        "commercial #10 envelope" => [0.0, 0.0, 684.00, 297.00],
        "catalog #10 1/2 envelope" => [0.0, 0.0, 648.00, 864.00],
        "8.5x11" => [0.0, 0.0, 612.00, 792.00],
        "8.5x14" => [0.0, 0.0, 612.00, 1008.00],
        "11x17" => [0.0, 0.0, 792.00, 1224.00],
    ];

    /**
     * The Dompdf object
     *
     * @var Dompdf
     */
    protected $_dompdf;

    /**
     * Instance of Cpdf class
     *
     * @var \Dompdf\Cpdf
     */
    protected $_pdf;

    /**
     * PDF width, in points
     *
     * @var float
     */
    protected $_width;

    /**
     * PDF height, in points
     *
     * @var float
     */
    protected $_height;

    /**
     * Current page number
     *
     * @var int
     */
    protected $_page_number;

    /**
     * Total number of pages
     *
     * @var int
     */
    protected $_page_count;

    /**
     * Array of pages for accessing after rendering is initially complete
     *
     * @var array
     */
    protected $_pages;

    /**
     * Currently-applied opacity level (0 - 1)
     *
     * @var float
     */
    protected $_current_opacity = 1;

    public function __construct($paper = "letter", string $orientation = "portrait", ?Dompdf $dompdf = null)
    {
        if (is_array($paper)) {
            $size = array_map("floatval", $paper);
        } else {
            $paper = strtolower($paper);
            $size = self::$PAPER_SIZES[$paper] ?? self::$PAPER_SIZES["letter"];
        }

        if (strtolower($orientation) === "landscape") {
            [$size[2], $size[3]] = [$size[3], $size[2]];
        }

        if ($dompdf === null) {
            $this->_dompdf = new Dompdf();
        } else {
            $this->_dompdf = $dompdf;
        }

        $this->_pdf = new \Dompdf\Cpdf(
            $size,
            true,
            $this->_dompdf->getOptions()->getFontCache(),
            $this->_dompdf->getOptions()->getTempDir()
        );

        $this->_pdf->addInfo("Producer", sprintf("%s + CPDF", $this->_dompdf->version));
        $time = substr_replace(date('YmdHisO'), '\'', -2, 0) . '\'';
        $this->_pdf->addInfo("CreationDate", "D:$time");
        $this->_pdf->addInfo("ModDate", "D:$time");

        $this->_width = $size[2] - $size[0];
        $this->_height = $size[3] - $size[1];

        $this->_page_number = $this->_page_count = 1;

        $this->_pages = [$this->_pdf->getFirstPageId()];
    }

    public function get_dompdf()
    {
        return $this->_dompdf;
    }

    /**
     * Returns the Cpdf instance
     *
     * @return \Dompdf\Cpdf
     */
    public function get_cpdf()
    {
        return $this->_pdf;
    }

    public function add_info(string $label, string $value): void
    {
        $this->_pdf->addInfo($label, $value);
    }

    /**
     * Opens a new 'object'
     *
     * While an object is open, all drawing actions are recorded in the object,
     * as opposed to being drawn on the current page.  Objects can be added
     * later to a specific page or to several pages.
     *
     * The return value is an integer ID for the new object.
     *
     * @see CPDF::close_object()
     * @see CPDF::add_object()
     *
     * @return int
     */
    public function open_object()
    {
        $ret = $this->_pdf->openObject();
        $this->_pdf->saveState();
        return $ret;
    }

    /**
     * Reopens an existing 'object'
     *
     * @see CPDF::open_object()
     * @param int $object the ID of a previously opened object
     */
    public function reopen_object($object)
    {
        $this->_pdf->reopenObject($object);
        $this->_pdf->saveState();
    }

    /**
     * Closes the current 'object'
     *
     * @see CPDF::open_object()
     */
    public function close_object()
    {
        $this->_pdf->restoreState();
        $this->_pdf->closeObject();
    }

    /**
     * Adds a specified 'object' to the document
     *
     * $object int specifying an object created with {@link
     * CPDF::open_object()}.  $where can be one of:
     * - 'add' add to current page only
     * - 'all' add to every page from the current one onwards
     * - 'odd' add to all odd numbered pages from now on
     * - 'even' add to all even numbered pages from now on
     * - 'next' add the object to the next page only
     * - 'nextodd' add to all odd numbered pages from the next one
     * - 'nexteven' add to all even numbered pages from the next one
     *
     * @see Cpdf::addObject()
     *
     * @param int $object
     * @param string $where
     */
    public function add_object($object, $where = 'all')
    {
        $this->_pdf->addObject($object, $where);
    }

    /**
     * Stops the specified 'object' from appearing in the document.
     *
     * The object will stop being displayed on the page following the current
     * one.
     *
     * @param int $object
     */
    public function stop_object($object)
    {
        $this->_pdf->stopObject($object);
    }

    /**
     * Serialize the pdf object's current state for retrieval later
     */
    public function serialize_object($id)
    {
        return $this->_pdf->serializeObject($id);
    }

    public function reopen_serialized_object($obj)
    {
        return $this->_pdf->restoreSerializedObject($obj);
    }

    //........................................................................

    public function get_width()
    {
        return $this->_width;
    }

    public function get_height()
    {
        return $this->_height;
    }

    public function get_page_number()
    {
        return $this->_page_number;
    }

    public function get_page_count()
    {
        return $this->_page_count;
    }

    /**
     * Sets the current page number
     *
     * @param int $num
     */
    public function set_page_number($num)
    {
        $this->_page_number = $num;
    }

    public function set_page_count($count)
    {
        $this->_page_count = $count;
    }

    /**
     * Sets the stroke color
     *
     * See {@link Style::set_color()} for the format of the color array.
     *
     * @param array $color
     */
    protected function _set_stroke_color($color)
    {
        $this->_pdf->setStrokeColor($color);
        $alpha = isset($color["alpha"]) ? $color["alpha"] : 1;
        $alpha *= $this->_current_opacity;
        $this->_set_line_transparency("Normal", $alpha);
    }

    /**
     * Sets the fill colour
     *
     * See {@link Style::set_color()} for the format of the colour array.
     *
     * @param array $color
     */
    protected function _set_fill_color($color)
    {
        $this->_pdf->setColor($color);
        $alpha = isset($color["alpha"]) ? $color["alpha"] : 1;
        $alpha *= $this->_current_opacity;
        $this->_set_fill_transparency("Normal", $alpha);
    }

    /**
     * Sets line transparency
     * @see Cpdf::setLineTransparency()
     *
     * Valid blend modes are (case-sensitive):
     *
     * Normal, Multiply, Screen, Overlay, Darken, Lighten,
     * ColorDodge, ColorBurn, HardLight, SoftLight, Difference,
     * Exclusion
     *
     * @param string $mode    the blending mode to use
     * @param float  $opacity 0.0 fully transparent, 1.0 fully opaque
     */
    protected function _set_line_transparency($mode, $opacity)
    {
        $this->_pdf->setLineTransparency($mode, $opacity);
    }

    /**
     * Sets fill transparency
     * @see Cpdf::setFillTransparency()
     *
     * Valid blend modes are (case-sensitive):
     *
     * Normal, Multiply, Screen, Overlay, Darken, Lighten,
     * ColorDogde, ColorBurn, HardLight, SoftLight, Difference,
     * Exclusion
     *
     * @param string $mode    the blending mode to use
     * @param float  $opacity 0.0 fully transparent, 1.0 fully opaque
     */
    protected function _set_fill_transparency($mode, $opacity)
    {
        $this->_pdf->setFillTransparency($mode, $opacity);
    }

    /**
     * Sets the line style
     *
     * @see Cpdf::setLineStyle()
     *
     * @param float  $width
     * @param string $cap
     * @param string $join
     * @param array  $dash
     */
    protected function _set_line_style($width, $cap, $join, $dash)
    {
        $this->_pdf->setLineStyle($width, $cap, $join, $dash);
    }

    public function set_opacity(float $opacity, string $mode = "Normal"): void
    {
        $this->_set_line_transparency($mode, $opacity);
        $this->_set_fill_transparency($mode, $opacity);
        $this->_current_opacity = $opacity;
    }

    public function set_default_view($view, $options = [])
    {
        array_unshift($options, $view);
        call_user_func_array([$this->_pdf, "openHere"], $options);
    }

    /**
     * Remaps y coords from 4th to 1st quadrant
     *
     * @param float $y
     * @return float
     */
    protected function y($y)
    {
        return $this->_height - $y;
    }

    public function line($x1, $y1, $x2, $y2, $color, $width, $style = [], $cap = "butt")
    {
        $this->_set_stroke_color($color);
        $this->_set_line_style($width, $cap, "", $style);

        $this->_pdf->line($x1, $this->y($y1),
            $x2, $this->y($y2));
        $this->_set_line_transparency("Normal", $this->_current_opacity);
    }

    public function arc($x, $y, $r1, $r2, $astart, $aend, $color, $width, $style = [], $cap = "butt")
    {
        $this->_set_stroke_color($color);
        $this->_set_line_style($width, $cap, "", $style);

        $this->_pdf->ellipse($x, $this->y($y), $r1, $r2, 0, 8, $astart, $aend, false, false, true, false);
        $this->_set_line_transparency("Normal", $this->_current_opacity);
    }

    public function rectangle($x1, $y1, $w, $h, $color, $width, $style = [], $cap = "butt")
    {
        $this->_set_stroke_color($color);
        $this->_set_line_style($width, $cap, "", $style);
        $this->_pdf->rectangle($x1, $this->y($y1) - $h, $w, $h);
        $this->_set_line_transparency("Normal", $this->_current_opacity);
    }

    public function filled_rectangle($x1, $y1, $w, $h, $color)
    {
        $this->_set_fill_color($color);
        $this->_pdf->filledRectangle($x1, $this->y($y1) - $h, $w, $h);
        $this->_set_fill_transparency("Normal", $this->_current_opacity);
    }

    public function clipping_rectangle($x1, $y1, $w, $h)
    {
        $this->_pdf->clippingRectangle($x1, $this->y($y1) - $h, $w, $h);
    }

    public function clipping_roundrectangle($x1, $y1, $w, $h, $rTL, $rTR, $rBR, $rBL)
    {
        $this->_pdf->clippingRectangleRounded($x1, $this->y($y1) - $h, $w, $h, $rTL, $rTR, $rBR, $rBL);
    }

    public function clipping_polygon(array $points): void
    {
        // Adjust y values
        for ($i = 1; $i < count($points); $i += 2) {
            $points[$i] = $this->y($points[$i]);
        }

        $this->_pdf->clippingPolygon($points);
    }

    public function clipping_end()
    {
        $this->_pdf->clippingEnd();
    }

    public function save()
    {
        $this->_pdf->saveState();
    }

    public function restore()
    {
        $this->_pdf->restoreState();
    }

    public function rotate($angle, $x, $y)
    {
        $this->_pdf->rotate($angle, $x, $y);
    }

    public function skew($angle_x, $angle_y, $x, $y)
    {
        $this->_pdf->skew($angle_x, $angle_y, $x, $y);
    }

    public function scale($s_x, $s_y, $x, $y)
    {
        $this->_pdf->scale($s_x, $s_y, $x, $y);
    }

    public function translate($t_x, $t_y)
    {
        $this->_pdf->translate($t_x, $t_y);
    }

    public function transform($a, $b, $c, $d, $e, $f)
    {
        $this->_pdf->transform([$a, $b, $c, $d, $e, $f]);
    }

    public function polygon($points, $color, $width = null, $style = [], $fill = false)
    {
        $this->_set_fill_color($color);
        $this->_set_stroke_color($color);

        if (!$fill && isset($width)) {
            $this->_set_line_style($width, "square", "miter", $style);
        }

        // Adjust y values
        for ($i = 1; $i < count($points); $i += 2) {
            $points[$i] = $this->y($points[$i]);
        }

        $this->_pdf->polygon($points, $fill);

        $this->_set_fill_transparency("Normal", $this->_current_opacity);
        $this->_set_line_transparency("Normal", $this->_current_opacity);
    }

    public function circle($x, $y, $r, $color, $width = null, $style = [], $fill = false)
    {
        $this->_set_fill_color($color);
        $this->_set_stroke_color($color);

        if (!$fill && isset($width)) {
            $this->_set_line_style($width, "round", "round", $style);
        }

        $this->_pdf->ellipse($x, $this->y($y), $r, 0, 0, 8, 0, 360, 1, $fill);

        $this->_set_fill_transparency("Normal", $this->_current_opacity);
        $this->_set_line_transparency("Normal", $this->_current_opacity);
    }

    /**
     * Convert image to a PNG image
     *
     * @param string $image_url
     * @param string $type
     *
     * @return string|null The url of the newly converted image
     */
    protected function _convert_to_png($image_url, $type)
    {
        $filename = Cache::getTempImage($image_url);

        if ($filename !== null && file_exists($filename)) {
            return $filename;
        }
 
        $func_name = "imagecreatefrom$type";

        set_error_handler([Helpers::class, "record_warnings"]);

        if (!function_exists($func_name)) {
            if (!method_exists(Helpers::class, $func_name)) {
                throw new Exception("Function $func_name() not found.  Cannot convert $type image: $image_url.  Please install the image PHP extension.");
            }
            $func_name = [Helpers::class, $func_name];
        }

        try {
            $im = call_user_func($func_name, $image_url);

            if ($im) {
                imageinterlace($im, false);

                $tmp_dir = $this->_dompdf->getOptions()->getTempDir();
                $tmp_name = @tempnam($tmp_dir, "{$type}_dompdf_img_");
                @unlink($tmp_name);
                $filename = "$tmp_name.png";

                imagepng($im, $filename);
                imagedestroy($im);
            } else {
                $filename = null;
            }
        } finally {
            restore_error_handler();
        }

        if ($filename !== null) {
            Cache::addTempImage($image_url, $filename);
        }

        return $filename;
    }

    public function image($img, $x, $y, $w, $h, $resolution = "normal")
    {
        [$width, $height, $type] = Helpers::dompdf_getimagesize($img, $this->get_dompdf()->getHttpContext());

        $debug_png = $this->_dompdf->getOptions()->getDebugPng();

        if ($debug_png) {
            print "[image:$img|$width|$height|$type]";
        }

        switch ($type) {
            case "jpeg":
                if ($debug_png) {
                    print '!!!jpg!!!';
                }
                $this->_pdf->addJpegFromFile($img, $x, $this->y($y) - $h, $w, $h);
                break;

            case "webp":
            /** @noinspection PhpMissingBreakStatementInspection */
            case "gif":
            /** @noinspection PhpMissingBreakStatementInspection */
            case "bmp":
                if ($debug_png) print "!!!{$type}!!!";
                $img = $this->_convert_to_png($img, $type);
                if ($img === null) {
                    if ($debug_png) print '!!!conversion to PDF failed!!!';
                    $this->image(Cache::$broken_image, $x, $y, $w, $h, $resolution);
                    break;
                }

            case "png":
                if ($debug_png) print '!!!png!!!';

                $this->_pdf->addPngFromFile($img, $x, $this->y($y) - $h, $w, $h);
                break;

            case "svg":
                if ($debug_png) print '!!!SVG!!!';

                $this->_pdf->addSvgFromFile($img, $x, $this->y($y) - $h, $w, $h);
                break;

            default:
                if ($debug_png) print '!!!unknown!!!';
        }
    }

    public function select($x, $y, $w, $h, $font, $size, $color = [0, 0, 0], $opts = [])
    {
        $pdf = $this->_pdf;

        $font .= ".afm";
        $pdf->selectFont($font);

        if (!isset($pdf->acroFormId)) {
            $pdf->addForm();
        }

        $ft = \Dompdf\Cpdf::ACROFORM_FIELD_CHOICE;
        $ff = \Dompdf\Cpdf::ACROFORM_FIELD_CHOICE_COMBO;

        $id = $pdf->addFormField($ft, rand(), $x, $this->y($y) - $h, $x + $w, $this->y($y), $ff, $size, $color);
        $pdf->setFormFieldOpt($id, $opts);
    }

    public function textarea($x, $y, $w, $h, $font, $size, $color = [0, 0, 0])
    {
        $pdf = $this->_pdf;

        $font .= ".afm";
        $pdf->selectFont($font);

        if (!isset($pdf->acroFormId)) {
            $pdf->addForm();
        }

        $ft = \Dompdf\Cpdf::ACROFORM_FIELD_TEXT;
        $ff = \Dompdf\Cpdf::ACROFORM_FIELD_TEXT_MULTILINE;

        $pdf->addFormField($ft, rand(), $x, $this->y($y) - $h, $x + $w, $this->y($y), $ff, $size, $color);
    }

    public function input($x, $y, $w, $h, $type, $font, $size, $color = [0, 0, 0])
    {
        $pdf = $this->_pdf;

        $font .= ".afm";
        $pdf->selectFont($font);

        if (!isset($pdf->acroFormId)) {
            $pdf->addForm();
        }

        $ft = \Dompdf\Cpdf::ACROFORM_FIELD_TEXT;
        $ff = 0;

        switch ($type) {
            case 'text':
                $ft = \Dompdf\Cpdf::ACROFORM_FIELD_TEXT;
                break;
            case 'password':
                $ft = \Dompdf\Cpdf::ACROFORM_FIELD_TEXT;
                $ff = \Dompdf\Cpdf::ACROFORM_FIELD_TEXT_PASSWORD;
                break;
            case 'submit':
                $ft = \Dompdf\Cpdf::ACROFORM_FIELD_BUTTON;
                break;
        }

        $pdf->addFormField($ft, rand(), $x, $this->y($y) - $h, $x + $w, $this->y($y), $ff, $size, $color);
    }

    public function text($x, $y, $text, $font, $size, $color = [0, 0, 0], $word_space = 0.0, $char_space = 0.0, $angle = 0.0)
    {
        $pdf = $this->_pdf;

        $this->_set_fill_color($color);

        $is_font_subsetting = $this->_dompdf->getOptions()->getIsFontSubsettingEnabled();
        $pdf->selectFont($font . '.afm', '', true, $is_font_subsetting);

        $pdf->addText($x, $this->y($y) - $pdf->getFontHeight($size), $size, $text, $angle, $word_space, $char_space);

        $this->_set_fill_transparency("Normal", $this->_current_opacity);
    }

    public function javascript($code)
    {
        $this->_pdf->addJavascript($code);
    }

    //........................................................................

    public function add_named_dest($anchorname)
    {
        $this->_pdf->addDestination($anchorname, "Fit");
    }

    public function add_link($url, $x, $y, $width, $height)
    {
        $y = $this->y($y) - $height;

        if (strpos($url, '#') === 0) {
            // Local link
            $name = substr($url, 1);
            if ($name) {
                $this->_pdf->addInternalLink($name, $x, $y, $x + $width, $y + $height);
            }
        } else {
            $this->_pdf->addLink($url, $x, $y, $x + $width, $y + $height);
        }
    }

    /**
     * @throws FontNotFoundException
     */
    public function get_text_width($text, $font, $size, $word_spacing = 0.0, $char_spacing = 0.0)
    {
        $this->_pdf->selectFont($font, '', true, $this->_dompdf->getOptions()->getIsFontSubsettingEnabled());
        return $this->_pdf->getTextWidth($size, $text, $word_spacing, $char_spacing);
    }

    /**
     * @throws FontNotFoundException
     */
    public function get_font_height($font, $size)
    {
        $options = $this->_dompdf->getOptions();
        $this->_pdf->selectFont($font, '', true, $options->getIsFontSubsettingEnabled());

        return $this->_pdf->getFontHeight($size) * $options->getFontHeightRatio();
    }

    /*function get_font_x_height($font, $size) {
      $this->_pdf->selectFont($font);
      $ratio = $this->_dompdf->getOptions()->getFontHeightRatio();
      return $this->_pdf->getFontXHeight($size) * $ratio;
    }*/

    /**
     * @throws FontNotFoundException
     */
    public function get_font_baseline($font, $size)
    {
        $ratio = $this->_dompdf->getOptions()->getFontHeightRatio();
        return $this->get_font_height($font, $size) / $ratio;
    }

    /**
     * Processes a callback or script on every page.
     *
     * The callback function receives the four parameters `int $pageNumber`,
     * `int $pageCount`, `Canvas $canvas`, and `FontMetrics $fontMetrics`, in
     * that order. If a script is passed as string, the variables `$PAGE_NUM`,
     * `$PAGE_COUNT`, `$pdf`, and `$fontMetrics` are available instead. Passing
     * a script as string is deprecated and will be removed in a future version.
     *
     * This function can be used to add page numbers to all pages after the
     * first one, for example.
     *
     * @param callable|string $callback The callback function or PHP script to process on every page
     */
    public function page_script($callback): void
    {
        if (is_string($callback)) {
            $this->processPageScript(function (
                int $PAGE_NUM,
                int $PAGE_COUNT,
                self $pdf,
                FontMetrics $fontMetrics
            ) use ($callback) {
                eval($callback);
            });
            return;
        }

        $this->processPageScript($callback);
    }

    public function page_text($x, $y, $text, $font, $size, $color = [0, 0, 0], $word_space = 0.0, $char_space = 0.0, $angle = 0.0)
    {
        $this->processPageScript(function (int $pageNumber, int $pageCount) use ($x, $y, $text, $font, $size, $color, $word_space, $char_space, $angle) {
            $text = str_replace(
                ["{PAGE_NUM}", "{PAGE_COUNT}"],
                [$pageNumber, $pageCount],
                $text
            );
            $this->text($x, $y, $text, $font, $size, $color, $word_space, $char_space, $angle);
        });
    }

    public function page_line($x1, $y1, $x2, $y2, $color, $width, $style = [])
    {
        $this->processPageScript(function () use ($x1, $y1, $x2, $y2, $color, $width, $style) {
            $this->line($x1, $y1, $x2, $y2, $color, $width, $style);
        });
    }

    /**
     * @return int
     */
    public function new_page()
    {
        $this->_page_number++;
        $this->_page_count++;

        $ret = $this->_pdf->newPage();
        $this->_pages[] = $ret;
        return $ret;
    }

    protected function processPageScript(callable $callback): void
    {
        $pageNumber = 1;

        foreach ($this->_pages as $pid) {
            $this->reopen_object($pid);

            $fontMetrics = $this->_dompdf->getFontMetrics();
            $callback($pageNumber, $this->_page_count, $this, $fontMetrics);

            $this->close_object();
            $pageNumber++;
        }
    }

    public function stream($filename = "document.pdf", $options = [])
    {
        if (headers_sent()) {
            die("Unable to stream pdf: headers already sent");
        }

        if (!isset($options["compress"])) $options["compress"] = true;
        if (!isset($options["Attachment"])) $options["Attachment"] = true;

        $debug = !$options['compress'];
        $tmp = ltrim($this->_pdf->output($debug));

        header("Cache-Control: private");
        header("Content-Type: application/pdf");
        header("Content-Length: " . mb_strlen($tmp, "8bit"));

        $filename = str_replace(["\n", "'"], "", basename($filename, ".pdf")) . ".pdf";
        $attachment = $options["Attachment"] ? "attachment" : "inline";
        header(Helpers::buildContentDispositionHeader($attachment, $filename));

        echo $tmp;
        flush();
    }

    public function output($options = [])
    {
        if (!isset($options["compress"])) $options["compress"] = true;

        $debug = !$options['compress'];

        return $this->_pdf->output($debug);
    }

    /**
     * Returns logging messages generated by the Cpdf class
     *
     * @return string
     */
    public function get_messages()
    {
        return $this->_pdf->messages;
    }
}
���������������������������������������������������������������������PDFLib.php������������������������������������������������������������������������������������������0000644�����������������00000123712�15111210011�0006302 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php
/**
 * @package dompdf
 * @link    https://github.com/dompdf/dompdf
 * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
 */
namespace Dompdf\Adapter;

use Dompdf\Canvas;
use Dompdf\Dompdf;
use Dompdf\Exception;
use Dompdf\FontMetrics;
use Dompdf\Helpers;
use Dompdf\Image\Cache;

/**
 * PDF rendering interface
 *
 * Dompdf\Adapter\PDFLib provides a simple, stateless interface to the one
 * provided by PDFLib.
 *
 * Unless otherwise mentioned, all dimensions are in points (1/72 in).
 * The coordinate origin is in the top left corner and y values
 * increase downwards.
 *
 * See {@link http://www.pdflib.com/} for more complete documentation
 * on the underlying PDFlib functions.
 *
 * @package dompdf
 */
class PDFLib implements Canvas
{

    /**
     * Dimensions of paper sizes in points
     *
     * @var array
     */
    public static $PAPER_SIZES = []; // Set to Dompdf\Adapter\CPDF::$PAPER_SIZES below.

    /**
     * Whether to create PDFs in memory or on disk
     *
     * @var bool
     */
    static $IN_MEMORY = true;

    /**
     * Saves the major version of PDFLib for compatibility requests
     *
     * @var null|int
     */
    protected static $MAJOR_VERSION = null;


    /**
     * Transforms the list of native fonts into PDFLib compatible names (casesensitive)
     *
     * @var array
     */
    public static $nativeFontsTpPDFLib = [
        "courier"               => "Courier",
        "courier-bold"          => "Courier-Bold",
        "courier-oblique"       => "Courier-Oblique",
        "courier-boldoblique"   => "Courier-BoldOblique",
        "helvetica"             => "Helvetica",
        "helvetica-bold"        => "Helvetica-Bold",
        "helvetica-oblique"     => "Helvetica-Oblique",
        "helvetica-boldoblique" => "Helvetica-BoldOblique",
        "times"                 => "Times-Roman",
        "times-roman"           => "Times-Roman",
        "times-bold"            => "Times-Bold",
        "times-italic"          => "Times-Italic",
        "times-bolditalic"      => "Times-BoldItalic",
        "symbol"                => "Symbol",
        "zapfdinbats"           => "ZapfDingbats",
        "zapfdingbats"          => "ZapfDingbats",
    ];

    /**
     * @var \Dompdf\Dompdf
     */
    protected $_dompdf;

    /**
     * Instance of PDFLib class
     *
     * @var \PDFLib
     */
    protected $_pdf;

    /**
     * Name of temporary file used for PDFs created on disk
     *
     * @var string
     */
    protected $_file;

    /**
     * PDF width, in points
     *
     * @var float
     */
    protected $_width;

    /**
     * PDF height, in points
     *
     * @var float
     */
    protected $_height;

    /**
     * Last fill color used
     *
     * @var array
     */
    protected $_last_fill_color;

    /**
     * Last stroke color used
     *
     * @var array
     */
    protected $_last_stroke_color;

    /**
     * The current opacity level
     *
     * @var float|null
     */
    protected $_current_opacity;

    /**
     * Cache of image handles
     *
     * @var array
     */
    protected $_imgs;

    /**
     * Cache of font handles
     *
     * @var array
     */
    protected $_fonts;

    /**
     * Cache of fontFile checks
     *
     * @var array
     */
    protected $_fontsFiles;

    /**
     * List of objects (templates) to add to multiple pages
     *
     * @var array
     */
    protected $_objs;

    /**
     * List of gstate objects created for this PDF (for reuse)
     *
     * @var array
     */
    protected $_gstates = [];

    /**
     * Current page number
     *
     * @var int
     */
    protected $_page_number;

    /**
     * Total number of pages
     *
     * @var int
     */
    protected $_page_count;

    /**
     * Array of pages for accessing after rendering is initially complete
     *
     * @var array
     */
    protected $_pages;

    public function __construct($paper = "letter", string $orientation = "portrait", ?Dompdf $dompdf = null)
    {
        if (is_array($paper)) {
            $size = array_map("floatval", $paper);
        } else {
            $paper = strtolower($paper);
            $size = self::$PAPER_SIZES[$paper] ?? self::$PAPER_SIZES["letter"];
        }

        if (strtolower($orientation) === "landscape") {
            [$size[2], $size[3]] = [$size[3], $size[2]];
        }

        $this->_width = $size[2] - $size[0];
        $this->_height = $size[3] - $size[1];

        if ($dompdf === null) {
            $this->_dompdf = new Dompdf();
        } else {
            $this->_dompdf = $dompdf;
        }

        $this->_pdf = new \PDFLib();

        $license = $dompdf->getOptions()->getPdflibLicense();
        if (strlen($license) > 0) {
            $this->setPDFLibParameter("license", $license);
        }

        if ($this->getPDFLibMajorVersion() < 10) {
            $this->setPDFLibParameter("textformat", "utf8");
        }
        if ($this->getPDFLibMajorVersion() >= 7) {
            $this->setPDFLibParameter("errorpolicy", "return");
            //            $this->_pdf->set_option('logging={filename=' . \APP_PATH . '/logs/pdflib.log classes={api=1 warning=2}}');
            //            $this->_pdf->set_option('errorpolicy=exception');
        } else {
            $this->setPDFLibParameter("fontwarning", "false");
        }

        $searchPath = $this->_dompdf->getOptions()->getFontDir();
        if (empty($searchPath) === false) {
            $this->_pdf->set_option('searchpath={' . $searchPath . '}');
        }

        // fetch PDFLib version information for the producer field
        $this->_pdf->set_info("Producer Addendum", sprintf("%s + PDFLib %s", $dompdf->version, $this->getPDFLibMajorVersion()));

        // Silence pedantic warnings about missing TZ settings
        $tz = @date_default_timezone_get();
        date_default_timezone_set("UTC");
        $this->_pdf->set_info("Date", date("Y-m-d"));
        date_default_timezone_set($tz);

        if (self::$IN_MEMORY) {
            $this->_pdf->begin_document("", "");
        } else {
            $tmp_dir = $this->_dompdf->getOptions()->getTempDir();
            $tmp_name = @tempnam($tmp_dir, "libdompdf_pdf_");
            @unlink($tmp_name);
            $this->_file = "$tmp_name.pdf";
            $this->_pdf->begin_document($this->_file, "");
        }

        $this->_pdf->begin_page_ext($this->_width, $this->_height, "");

        $this->_page_number = $this->_page_count = 1;

        $this->_imgs = [];
        $this->_fonts = [];
        $this->_objs = [];
    }

    function get_dompdf()
    {
        return $this->_dompdf;
    }

    /**
     * Close the pdf
     */
    protected function _close()
    {
        $this->_place_objects();

        // Close all pages
        $this->_pdf->suspend_page("");
        for ($p = 1; $p <= $this->_page_count; $p++) {
            $this->_pdf->resume_page("pagenumber=$p");
            $this->_pdf->end_page_ext("");
        }

        $this->_pdf->end_document("");
    }


    /**
     * Returns the PDFLib instance
     *
     * @return PDFLib
     */
    public function get_pdflib()
    {
        return $this->_pdf;
    }

    public function add_info(string $label, string $value): void
    {
        $this->_pdf->set_info($label, $value);
    }

    /**
     * Opens a new 'object' (template in PDFLib-speak)
     *
     * While an object is open, all drawing actions are recorded to the
     * object instead of being drawn on the current page.  Objects can
     * be added later to a specific page or to several pages.
     *
     * The return value is an integer ID for the new object.
     *
     * @see PDFLib::close_object()
     * @see PDFLib::add_object()
     *
     * @return int
     */
    public function open_object()
    {
        $this->_pdf->suspend_page("");
        if ($this->getPDFLibMajorVersion() >= 7) {
            $ret = $this->_pdf->begin_template_ext($this->_width, $this->_height, null);
        } else {
            $ret = $this->_pdf->begin_template($this->_width, $this->_height);
        }
        $this->_pdf->save();
        $this->_objs[$ret] = ["start_page" => $this->_page_number];

        return $ret;
    }

    /**
     * Reopen an existing object (NOT IMPLEMENTED)
     * PDFLib does not seem to support reopening templates.
     *
     * @param int $object the ID of a previously opened object
     *
     * @throws Exception
     * @return void
     */
    public function reopen_object($object)
    {
        throw new Exception("PDFLib does not support reopening objects.");
    }

    /**
     * Close the current template
     *
     * @see PDFLib::open_object()
     */
    public function close_object()
    {
        $this->_pdf->restore();
        if ($this->getPDFLibMajorVersion() >= 7) {
            $this->_pdf->end_template_ext($this->_width, $this->_height);
        } else {
            $this->_pdf->end_template();
        }
        $this->_pdf->resume_page("pagenumber=" . $this->_page_number);
    }

    /**
     * Adds the specified object to the document
     *
     * $where can be one of:
     * - 'add' add to current page only
     * - 'all' add to every page from the current one onwards
     * - 'odd' add to all odd numbered pages from now on
     * - 'even' add to all even numbered pages from now on
     * - 'next' add the object to the next page only
     * - 'nextodd' add to all odd numbered pages from the next one
     * - 'nexteven' add to all even numbered pages from the next one
     *
     * @param int    $object the object handle returned by open_object()
     * @param string $where
     */
    public function add_object($object, $where = 'all')
    {

        if (mb_strpos($where, "next") !== false) {
            $this->_objs[$object]["start_page"]++;
            $where = str_replace("next", "", $where);
            if ($where == "") {
                $where = "add";
            }
        }

        $this->_objs[$object]["where"] = $where;
    }

    /**
     * Stops the specified template from appearing in the document.
     *
     * The object will stop being displayed on the page following the
     * current one.
     *
     * @param int $object
     */
    public function stop_object($object)
    {

        if (!isset($this->_objs[$object])) {
            return;
        }

        $start = $this->_objs[$object]["start_page"];
        $where = $this->_objs[$object]["where"];

        // Place the object on this page if required
        if ($this->_page_number >= $start &&
            (($this->_page_number % 2 == 0 && $where === "even") ||
                ($this->_page_number % 2 == 1 && $where === "odd") ||
                ($where === "all"))
        ) {
            $this->_pdf->fit_image($object, 0, 0, "");
        }

        $this->_objs[$object] = null;
        unset($this->_objs[$object]);
    }

    /**
     * Add all active objects to the current page
     */
    protected function _place_objects()
    {

        foreach ($this->_objs as $obj => $props) {
            $start = $props["start_page"];
            $where = $props["where"];

            // Place the object on this page if required
            if ($this->_page_number >= $start &&
                (($this->_page_number % 2 == 0 && $where === "even") ||
                    ($this->_page_number % 2 == 1 && $where === "odd") ||
                    ($where === "all"))
            ) {
                $this->_pdf->fit_image($obj, 0, 0, "");
            }
        }
    }

    public function get_width()
    {
        return $this->_width;
    }

    public function get_height()
    {
        return $this->_height;
    }

    public function get_page_number()
    {
        return $this->_page_number;
    }

    public function get_page_count()
    {
        return $this->_page_count;
    }

    /**
     * @param $num
     */
    public function set_page_number($num)
    {
        $this->_page_number = (int)$num;
    }

    public function set_page_count($count)
    {
        $this->_page_count = (int)$count;
    }

    /**
     * Sets the line style
     *
     * @param float  $width
     * @param string $cap
     * @param string $join
     * @param array  $dash
     */
    protected function _set_line_style($width, $cap, $join, $dash)
    {
        if (!is_array($dash)) {
            $dash = [];
        }

        // Work around PDFLib limitation with 0 dash length:
        // Value 0 for option 'dasharray' is too small (minimum 1.5e-05)
        foreach ($dash as &$d) {
            if ($d == 0) {
                $d = 1.5e-5;
            }
        }

        if (count($dash) === 1) {
            $dash[] = $dash[0];
        }

        if ($this->getPDFLibMajorVersion() >= 9) {
            if (count($dash) > 1) {
                $this->_pdf->set_graphics_option("dasharray={" . implode(" ", $dash) . "}");
            } else {
                $this->_pdf->set_graphics_option("dasharray=none");
            }
        } else {
            if (count($dash) > 1) {
                $this->_pdf->setdashpattern("dasharray={" . implode(" ", $dash) . "}");
            } else {
                $this->_pdf->setdash(0, 0);
            }
        }

        switch ($join) {
            case "miter":
                if ($this->getPDFLibMajorVersion() >= 9) {
                    $this->_pdf->set_graphics_option('linejoin=0');
                } else {
                    $this->_pdf->setlinejoin(0);
                }
                break;

            case "round":
                if ($this->getPDFLibMajorVersion() >= 9) {
                    $this->_pdf->set_graphics_option('linejoin=1');
                } else {
                    $this->_pdf->setlinejoin(1);
                }
                break;

            case "bevel":
                if ($this->getPDFLibMajorVersion() >= 9) {
                    $this->_pdf->set_graphics_option('linejoin=2');
                } else {
                    $this->_pdf->setlinejoin(2);
                }
                break;

            default:
                break;
        }

        switch ($cap) {
            case "butt":
                if ($this->getPDFLibMajorVersion() >= 9) {
                    $this->_pdf->set_graphics_option('linecap=0');
                } else {
                    $this->_pdf->setlinecap(0);
                }
                break;

            case "round":
                if ($this->getPDFLibMajorVersion() >= 9) {
                    $this->_pdf->set_graphics_option('linecap=1');
                } else {
                    $this->_pdf->setlinecap(1);
                }
                break;

            case "square":
                if ($this->getPDFLibMajorVersion() >= 9) {
                    $this->_pdf->set_graphics_option('linecap=2');
                } else {
                    $this->_pdf->setlinecap(2);
                }
                break;

            default:
                break;
        }

        $this->_pdf->setlinewidth($width);
    }

    /**
     * Sets the line color
     *
     * @param array $color array(r,g,b)
     */
    protected function _set_stroke_color($color)
    {
        // TODO: we should check the current PDF stroke color
        // instead of the cached value
        if ($this->_last_stroke_color == $color) {
            // FIXME: do nothing, this optimization is broken by the
            // stroke being set as a side effect of other operations
            //return;
        }

        $alpha = isset($color["alpha"]) ? $color["alpha"] : 1;
        if (isset($this->_current_opacity)) {
            $alpha *= $this->_current_opacity;
        }

        $this->_last_stroke_color = $color;

        if (isset($color[3])) {
            $type = "cmyk";
            list($c1, $c2, $c3, $c4) = [$color[0], $color[1], $color[2], $color[3]];
        } elseif (isset($color[2])) {
            $type = "rgb";
            list($c1, $c2, $c3, $c4) = [$color[0], $color[1], $color[2], null];
        } else {
            $type = "gray";
            list($c1, $c2, $c3, $c4) = [$color[0], $color[1], null, null];
        }

        $this->_set_stroke_opacity($alpha, "Normal");
        $this->_pdf->setcolor("stroke", $type, $c1, $c2, $c3, $c4);
    }

    /**
     * Sets the fill color
     *
     * @param array $color array(r,g,b)
     */
    protected function _set_fill_color($color)
    {
        // TODO: we should check the current PDF fill color
        // instead of the cached value
        if ($this->_last_fill_color == $color) {
            // FIXME: do nothing, this optimization is broken by the
            // fill being set as a side effect of other operations
            //return;
        }

        $alpha = isset($color["alpha"]) ? $color["alpha"] : 1;
        if (isset($this->_current_opacity)) {
            $alpha *= $this->_current_opacity;
        }

        $this->_last_fill_color = $color;

        if (isset($color[3])) {
            $type = "cmyk";
            list($c1, $c2, $c3, $c4) = [$color[0], $color[1], $color[2], $color[3]];
        } elseif (isset($color[2])) {
            $type = "rgb";
            list($c1, $c2, $c3, $c4) = [$color[0], $color[1], $color[2], null];
        } else {
            $type = "gray";
            list($c1, $c2, $c3, $c4) = [$color[0], $color[1], null, null];
        }

        $this->_set_fill_opacity($alpha, "Normal");
        $this->_pdf->setcolor("fill", $type, $c1, $c2, $c3, $c4);
    }

    /**
     * Sets the fill opacity
     *
     * @param float  $opacity
     * @param string $mode
     */
    public function _set_fill_opacity($opacity, $mode = "Normal")
    {
        if ($mode === "Normal" && isset($opacity)) {
            $this->_set_gstate("opacityfill=$opacity");
        }
    }

    /**
     * Sets the stroke opacity
     *
     * @param float  $opacity
     * @param string $mode
     */
    public function _set_stroke_opacity($opacity, $mode = "Normal")
    {
        if ($mode === "Normal" && isset($opacity)) {
            $this->_set_gstate("opacitystroke=$opacity");
        }
    }

    public function set_opacity(float $opacity, string $mode = "Normal"): void
    {
        if ($mode === "Normal") {
            $this->_set_gstate("opacityfill=$opacity opacitystroke=$opacity");
            $this->_current_opacity = $opacity;
        }
    }

    /**
     * Sets the gstate
     *
     * @param $gstate_options
     * @return int
     */
    public function _set_gstate($gstate_options)
    {
        if (($gstate = array_search($gstate_options, $this->_gstates)) === false) {
            $gstate = $this->_pdf->create_gstate($gstate_options);
            $this->_gstates[$gstate] = $gstate_options;
        }

        return $this->_pdf->set_gstate($gstate);
    }

    public function set_default_view($view, $options = [])
    {
        // TODO
        // http://www.pdflib.com/fileadmin/pdflib/pdf/manuals/PDFlib-8.0.2-API-reference.pdf
        /**
         * fitheight Fit the page height to the window, with the x coordinate left at the left edge of the window.
         * fitrect Fit the rectangle specified by left, bottom, right, and top to the window.
         * fitvisible Fit the visible contents of the page (the ArtBox) to the window.
         * fitvisibleheight Fit the visible contents of the page to the window with the x coordinate left at the left edge of the window.
         * fitvisiblewidth Fit the visible contents of the page to the window with the y coordinate top at the top edge of the window.
         * fitwidth Fit the page width to the window, with the y coordinate top at the top edge of the window.
         * fitwindow Fit the complete page to the window.
         * fixed
         */
        //$this->setPDFLibParameter("openaction", $view);
    }

    /**
     * Loads a specific font and stores the corresponding descriptor.
     *
     * @param string $font
     * @param string $encoding
     * @param string $options
     *
     * @return int the font descriptor for the font
     */
    protected function _load_font($font, $encoding = null, $options = "")
    {
        // Fix for PDFLibs case-sensitive font names
        $baseFont = basename($font);
        $isNativeFont = false;
        if (isset(self::$nativeFontsTpPDFLib[$baseFont])) {
            $font = self::$nativeFontsTpPDFLib[$baseFont];
            $isNativeFont = true;
        }

        // Check if the font is a native PDF font
        // Embed non-native fonts
        $test = strtolower($baseFont);
        if (in_array($test, DOMPDF::$nativeFonts)) {
            $font = basename($font);
        } else {
            // Embed non-native fonts
            $options .= " embedding=true";
        }

        $options .= " autosubsetting=" . ($this->_dompdf->getOptions()->getIsFontSubsettingEnabled() === false ? "false" : "true");

        if (is_null($encoding)) {
            // Unicode encoding is only available for the commerical
            // version of PDFlib and not PDFlib-Lite
            if (strlen($this->_dompdf->getOptions()->getPdflibLicense()) > 0) {
                $encoding = "unicode";
            } else {
                $encoding = "auto";
            }
        }

        $key = "$font:$encoding:$options";
        if (isset($this->_fonts[$key])) {
            return $this->_fonts[$key];
        }

        // Native fonts are build in, just load it
        if ($isNativeFont) {
            $this->_fonts[$key] = $this->_pdf->load_font($font, $encoding, $options);

            return $this->_fonts[$key];
        }

        $fontOutline = $this->getPDFLibParameter("FontOutline", 1);
        if ($fontOutline === "" || $fontOutline <= 0) {
            $families = $this->_dompdf->getFontMetrics()->getFontFamilies();
            foreach ($families as $files) {
                foreach ($files as $file) {
                    $face = basename($file);
                    $afm = null;

                    if (isset($this->_fontsFiles[$face])) {
                        continue;
                    }

                    // Prefer ttfs to afms
                    if (file_exists("$file.ttf")) {
                        $outline = "$file.ttf";
                    } elseif (file_exists("$file.TTF")) {
                        $outline = "$file.TTF";
                    } elseif (file_exists("$file.pfb")) {
                        $outline = "$file.pfb";
                        if (file_exists("$file.afm")) {
                            $afm = "$file.afm";
                        }
                    } elseif (file_exists("$file.PFB")) {
                        $outline = "$file.PFB";
                        if (file_exists("$file.AFM")) {
                            $afm = "$file.AFM";
                        }
                    } else {
                        continue;
                    }

                    $this->_fontsFiles[$face] = true;

                    if ($this->getPDFLibMajorVersion() >= 9) {
                        $this->setPDFLibParameter("FontOutline", '{' . "$face=$outline" . '}');
                    } else {
                        $this->setPDFLibParameter("FontOutline", "\{$face\}=\{$outline\}");
                    }

                    if (is_null($afm)) {
                        continue;
                    }
                    if ($this->getPDFLibMajorVersion() >= 9) {
                        $this->setPDFLibParameter("FontAFM", '{' . "$face=$afm" . '}');
                    } else {
                        $this->setPDFLibParameter("FontAFM", "\{$face\}=\{$afm\}");
                    }
                }
            }
        }

        $this->_fonts[$key] = $this->_pdf->load_font($font, $encoding, $options);

        return $this->_fonts[$key];
    }

    /**
     * Remaps y coords from 4th to 1st quadrant
     *
     * @param float $y
     * @return float
     */
    protected function y($y)
    {
        return $this->_height - $y;
    }

    public function line($x1, $y1, $x2, $y2, $color, $width, $style = [], $cap = "butt")
    {
        $this->_set_line_style($width, $cap, "", $style);
        $this->_set_stroke_color($color);

        $y1 = $this->y($y1);
        $y2 = $this->y($y2);

        $this->_pdf->moveto($x1, $y1);
        $this->_pdf->lineto($x2, $y2);
        $this->_pdf->stroke();

        $this->_set_stroke_opacity($this->_current_opacity, "Normal");
    }

    public function arc($x, $y, $r1, $r2, $astart, $aend, $color, $width, $style = [], $cap = "butt")
    {
        $this->_set_line_style($width, $cap, "", $style);
        $this->_set_stroke_color($color);

        $y = $this->y($y);

        $this->_pdf->arc($x, $y, $r1, $astart, $aend);
        $this->_pdf->stroke();

        $this->_set_stroke_opacity($this->_current_opacity, "Normal");
    }

    public function rectangle($x1, $y1, $w, $h, $color, $width, $style = [], $cap = "butt")
    {
        $this->_set_stroke_color($color);
        $this->_set_line_style($width, $cap, "", $style);

        $y1 = $this->y($y1) - $h;

        $this->_pdf->rect($x1, $y1, $w, $h);
        $this->_pdf->stroke();

        $this->_set_stroke_opacity($this->_current_opacity, "Normal");
    }

    public function filled_rectangle($x1, $y1, $w, $h, $color)
    {
        $this->_set_fill_color($color);

        $y1 = $this->y($y1) - $h;

        $this->_pdf->rect(floatval($x1), floatval($y1), floatval($w), floatval($h));
        $this->_pdf->fill();

        $this->_set_fill_opacity($this->_current_opacity, "Normal");
    }

    public function clipping_rectangle($x1, $y1, $w, $h)
    {
        $this->_pdf->save();

        $y1 = $this->y($y1) - $h;

        $this->_pdf->rect(floatval($x1), floatval($y1), floatval($w), floatval($h));
        $this->_pdf->clip();
    }

    public function clipping_roundrectangle($x1, $y1, $w, $h, $rTL, $rTR, $rBR, $rBL)
    {
        if ($this->getPDFLibMajorVersion() < 9) {
            //TODO: add PDFLib7 support
            $this->clipping_rectangle($x1, $y1, $w, $h);
            return;
        }

        $this->_pdf->save();

        // we use 0,0 for the base coordinates for the path points
        // since we're drawing the path at the $x1,$y1 coordinates

        $path = 0;
        //start: left edge, top end
        $path = $this->_pdf->add_path_point($path, 0, 0 - $rTL + $h, "move", "");
        // line: left edge, bottom end
        $path = $this->_pdf->add_path_point($path, 0, 0 + $rBL, "line", "");
        // curve: bottom-left corner
        if ($rBL > 0) {
            $path = $this->_pdf->add_path_point($path, 0 + $rBL, 0, "elliptical", "radius=$rBL clockwise=false");
        }
        // line: bottom edge, left end
        $path = $this->_pdf->add_path_point($path, 0 - $rBR + $w, 0, "line", "");
        // curve: bottom-right corner
        if ($rBR > 0) {
            $path = $this->_pdf->add_path_point($path, 0 + $w, 0 + $rBR, "elliptical", "radius=$rBR clockwise=false");
        }
        // line: right edge, top end
        $path = $this->_pdf->add_path_point($path, 0 + $w, 0 - $rTR + $h, "line", "");
        // curve: top-right corner
        if ($rTR > 0) {
            $path = $this->_pdf->add_path_point($path, 0 - $rTR + $w, 0 + $h, "elliptical", "radius=$rTR clockwise=false");
        }
        // line: top edge, left end
        $path = $this->_pdf->add_path_point($path, 0 + $rTL, 0 + $h, "line", "");
        // curve: top-left corner
        if ($rTL > 0) {
            $path = $this->_pdf->add_path_point($path, 0, 0 - $rTL + $h, "elliptical", "radius=$rTL clockwise=false");
        }
        $this->_pdf->draw_path($path, $x1, $this->_height-$y1-$h, "clip=true");
    }

    public function clipping_polygon(array $points): void
    {
        $this->_pdf->save();

        $y = $this->y(array_pop($points));
        $x = array_pop($points);
        $this->_pdf->moveto($x, $y);

        while (count($points) > 1) {
            $y = $this->y(array_pop($points));
            $x = array_pop($points);
            $this->_pdf->lineto($x, $y);
        }

        $this->_pdf->closepath();
        $this->_pdf->clip();
    }

    public function clipping_end()
    {
        $this->_pdf->restore();
    }

    public function save()
    {
        $this->_pdf->save();
    }

    function restore()
    {
        $this->_pdf->restore();
    }

    public function rotate($angle, $x, $y)
    {
        $pdf = $this->_pdf;
        $pdf->translate($x, $this->_height - $y);
        $pdf->rotate(-$angle);
        $pdf->translate(-$x, -$this->_height + $y);
    }

    public function skew($angle_x, $angle_y, $x, $y)
    {
        $pdf = $this->_pdf;
        $pdf->translate($x, $this->_height - $y);
        $pdf->skew($angle_y, $angle_x); // Needs to be inverted
        $pdf->translate(-$x, -$this->_height + $y);
    }

    public function scale($s_x, $s_y, $x, $y)
    {
        $pdf = $this->_pdf;
        $pdf->translate($x, $this->_height - $y);
        $pdf->scale($s_x, $s_y);
        $pdf->translate(-$x, -$this->_height + $y);
    }

    public function translate($t_x, $t_y)
    {
        $this->_pdf->translate($t_x, -$t_y);
    }

    public function transform($a, $b, $c, $d, $e, $f)
    {
        $this->_pdf->concat($a, $b, $c, $d, $e, $f);
    }

    public function polygon($points, $color, $width = null, $style = [], $fill = false)
    {
        $this->_set_fill_color($color);
        $this->_set_stroke_color($color);

        if (!$fill && isset($width)) {
            $this->_set_line_style($width, "square", "miter", $style);
        }

        $y = $this->y(array_pop($points));
        $x = array_pop($points);
        $this->_pdf->moveto($x, $y);

        while (count($points) > 1) {
            $y = $this->y(array_pop($points));
            $x = array_pop($points);
            $this->_pdf->lineto($x, $y);
        }

        if ($fill) {
            $this->_pdf->fill();
        } else {
            $this->_pdf->closepath_stroke();
        }

        $this->_set_fill_opacity($this->_current_opacity, "Normal");
        $this->_set_stroke_opacity($this->_current_opacity, "Normal");
    }

    public function circle($x, $y, $r, $color, $width = null, $style = [], $fill = false)
    {
        $this->_set_fill_color($color);
        $this->_set_stroke_color($color);

        if (!$fill && isset($width)) {
            $this->_set_line_style($width, "round", "round", $style);
        }

        $y = $this->y($y);

        $this->_pdf->circle($x, $y, $r);

        if ($fill) {
            $this->_pdf->fill();
        } else {
            $this->_pdf->stroke();
        }

        $this->_set_fill_opacity($this->_current_opacity, "Normal");
        $this->_set_stroke_opacity($this->_current_opacity, "Normal");
    }

    public function image($img, $x, $y, $w, $h, $resolution = "normal")
    {
        $w = (int)$w;
        $h = (int)$h;

        $img_type = Cache::detect_type($img, $this->get_dompdf()->getHttpContext());

        // Strip file:// prefix
        if (substr($img, 0, 7) === "file://") {
            $img = substr($img, 7);
        }

        if (!isset($this->_imgs[$img])) {
            if (strtolower($img_type) === "svg") {
                //FIXME: PDFLib loads SVG but returns error message "Function must not be called in 'page' scope"
                $image_load_response = $this->_pdf->load_graphics($img_type, $img, "");
            } else {
                $image_load_response = $this->_pdf->load_image($img_type, $img, "");
            }
            if ($image_load_response === 0) {
                //TODO: should do something with the error message
                $error = $this->_pdf->get_errmsg();
                return;
            }
            $this->_imgs[$img] = $image_load_response;
        }

        $img = $this->_imgs[$img];

        $y = $this->y($y) - $h;
        if (strtolower($img_type) === "svg") {
            $this->_pdf->fit_graphics($img, $x, $y, 'boxsize={' . "$w $h" . '} fitmethod=entire');
        } else {
            $this->_pdf->fit_image($img, $x, $y, 'boxsize={' . "$w $h" . '} fitmethod=entire');
        }
    }

    public function text($x, $y, $text, $font, $size, $color = [0, 0, 0], $word_spacing = 0, $char_spacing = 0, $angle = 0)
    {
        if ($size == 0) {
            return;
        }

        $fh = $this->_load_font($font);

        $this->_pdf->setfont($fh, $size);
        $this->_set_fill_color($color);

        $y = $this->y($y) - $this->get_font_height($font, $size);

        $word_spacing = (float)$word_spacing;
        $char_spacing = (float)$char_spacing;
        $angle = -(float)$angle;

        $this->_pdf->fit_textline($text, $x, $y, "rotate=$angle wordspacing=$word_spacing charspacing=$char_spacing ");

        $this->_set_fill_opacity($this->_current_opacity, "Normal");
    }

    public function javascript($code)
    {
        if (strlen($this->_dompdf->getOptions()->getPdflibLicense()) > 0) {
            $this->_pdf->create_action("JavaScript", $code);
        }
    }

    public function add_named_dest($anchorname)
    {
        $this->_pdf->add_nameddest($anchorname, "");
    }

    public function add_link($url, $x, $y, $width, $height)
    {
        $y = $this->y($y) - $height;
        if (strpos($url, '#') === 0) {
            // Local link
            $name = substr($url, 1);
            if ($name) {
                $this->_pdf->create_annotation($x, $y, $x + $width, $y + $height, 'Link',
                    "contents={$url} destname=" . substr($url, 1) . " linewidth=0");
            }
        } else {
            //TODO: PDFLib::create_action does not permit non-HTTP links for URI actions
            $action = $this->_pdf->create_action("URI", "url={{$url}}");
            // add the annotation only if the action was created
            if ($action !== 0) {
                $this->_pdf->create_annotation($x, $y, $x + $width, $y + $height, 'Link', "contents={{$url}} action={activate=$action} linewidth=0");
            }
        }
    }

    public function get_text_width($text, $font, $size, $word_spacing = 0.0, $letter_spacing = 0.0)
    {
        if ($size == 0) {
            return 0.0;
        }

        $fh = $this->_load_font($font);

        // Determine the additional width due to extra spacing
        $num_spaces = mb_substr_count($text, " ");
        $delta = $word_spacing * $num_spaces;

        if ($letter_spacing) {
            $num_chars = mb_strlen($text);
            $delta += $num_chars * $letter_spacing;
        }

        return $this->_pdf->stringwidth($text, $fh, $size) + $delta;
    }

    public function get_font_height($font, $size)
    {
        if ($size == 0) {
            return 0.0;
        }

        $fh = $this->_load_font($font);

        $this->_pdf->setfont($fh, $size);

        $asc = $this->_pdf->info_font($fh, "ascender", "fontsize=$size");
        $desc = $this->_pdf->info_font($fh, "descender", "fontsize=$size");

        // $desc is usually < 0,
        $ratio = $this->_dompdf->getOptions()->getFontHeightRatio();

        return (abs($asc) + abs($desc)) * $ratio;
    }

    public function get_font_baseline($font, $size)
    {
        $ratio = $this->_dompdf->getOptions()->getFontHeightRatio();

        return $this->get_font_height($font, $size) / $ratio * 1.1;
    }

    /**
     * Processes a callback or script on every page.
     *
     * The callback function receives the four parameters `int $pageNumber`,
     * `int $pageCount`, `Canvas $canvas`, and `FontMetrics $fontMetrics`, in
     * that order. If a script is passed as string, the variables `$PAGE_NUM`,
     * `$PAGE_COUNT`, `$pdf`, and `$fontMetrics` are available instead. Passing
     * a script as string is deprecated and will be removed in a future version.
     *
     * This function can be used to add page numbers to all pages after the
     * first one, for example.
     *
     * @param callable|string $callback The callback function or PHP script to process on every page
     */
    public function page_script($callback): void
    {
        if (is_string($callback)) {
            $this->processPageScript(function (
                int $PAGE_NUM,
                int $PAGE_COUNT,
                self $pdf,
                FontMetrics $fontMetrics
            ) use ($callback) {
                eval($callback);
            });
            return;
        }

        $this->processPageScript($callback);
    }

    public function page_text($x, $y, $text, $font, $size, $color = [0, 0, 0], $word_space = 0.0, $char_space = 0.0, $angle = 0.0)
    {
        $this->processPageScript(function (int $pageNumber, int $pageCount) use ($x, $y, $text, $font, $size, $color, $word_space, $char_space, $angle) {
            $text = str_replace(
                ["{PAGE_NUM}", "{PAGE_COUNT}"],
                [$pageNumber, $pageCount],
                $text
            );
            $this->text($x, $y, $text, $font, $size, $color, $word_space, $char_space, $angle);
        });
    }

    public function page_line($x1, $y1, $x2, $y2, $color, $width, $style = [])
    {
        $this->processPageScript(function () use ($x1, $y1, $x2, $y2, $color, $width, $style) {
            $this->line($x1, $y1, $x2, $y2, $color, $width, $style);
        });
    }

    public function new_page()
    {
        // Add objects to the current page
        $this->_place_objects();

        $this->_pdf->suspend_page("");
        $this->_pdf->begin_page_ext($this->_width, $this->_height, "");
        $this->_page_number = ++$this->_page_count;
    }

    protected function processPageScript(callable $callback): void
    {
        $this->_pdf->suspend_page("");

        for ($p = 1; $p <= $this->_page_count; $p++) {
            $this->_pdf->resume_page("pagenumber=$p");

            $fontMetrics = $this->_dompdf->getFontMetrics();
            $callback($p, $this->_page_count, $this, $fontMetrics);

            $this->_pdf->suspend_page("");
        }

        $this->_pdf->resume_page("pagenumber=" . $this->_page_number);
    }

    /**
     * @throws Exception
     */
    public function stream($filename = "document.pdf", $options = [])
    {
        if (headers_sent()) {
            die("Unable to stream pdf: headers already sent");
        }

        if (!isset($options["compress"])) {
            $options["compress"] = true;
        }
        if (!isset($options["Attachment"])) {
            $options["Attachment"] = true;
        }

        if ($options["compress"]) {
            $this->setPDFLibValue("compress", 6);
        } else {
            $this->setPDFLibValue("compress", 0);
        }

        $this->_close();

        $data = "";

        if (self::$IN_MEMORY) {
            $data = $this->_pdf->get_buffer();
            $size = mb_strlen($data, "8bit");
        } else {
            $size = filesize($this->_file);
        }

        header("Cache-Control: private");
        header("Content-Type: application/pdf");
        header("Content-Length: " . $size);

        $filename = str_replace(["\n", "'"], "", basename($filename, ".pdf")) . ".pdf";
        $attachment = $options["Attachment"] ? "attachment" : "inline";
        header(Helpers::buildContentDispositionHeader($attachment, $filename));

        if (self::$IN_MEMORY) {
            echo $data;
        } else {
            // Chunked readfile()
            $chunk = (1 << 21); // 2 MB
            $fh = fopen($this->_file, "rb");
            if (!$fh) {
                throw new Exception("Unable to load temporary PDF file: " . $this->_file);
            }

            while (!feof($fh)) {
                echo fread($fh, $chunk);
            }
            fclose($fh);

            //debugpng
            if ($this->_dompdf->getOptions()->getDebugPng()) {
                print '[pdflib stream unlink ' . $this->_file . ']';
            }
            if (!$this->_dompdf->getOptions()->getDebugKeepTemp()) {
                unlink($this->_file);
            }
            $this->_file = null;
            unset($this->_file);
        }

        flush();
    }

    public function output($options = [])
    {
        if (!isset($options["compress"])) {
            $options["compress"] = true;
        }

        if ($options["compress"]) {
            $this->setPDFLibValue("compress", 6);
        } else {
            $this->setPDFLibValue("compress", 0);
        }

        $this->_close();

        if (self::$IN_MEMORY) {
            $data = $this->_pdf->get_buffer();
        } else {
            $data = file_get_contents($this->_file);

            //debugpng
            if ($this->_dompdf->getOptions()->getDebugPng()) {
                print '[pdflib output unlink ' . $this->_file . ']';
            }
            if (!$this->_dompdf->getOptions()->getDebugKeepTemp()) {
                unlink($this->_file);
            }
            $this->_file = null;
            unset($this->_file);
        }

        return $data;
    }

    /**
     * @param string $keyword
     * @param string $optlist
     * @return mixed
     */
    protected function getPDFLibParameter($keyword, $optlist = "")
    {
        if ($this->getPDFLibMajorVersion() >= 9) {
            return $this->_pdf->get_option($keyword, "");
        }

        return $this->_pdf->get_parameter($keyword, $optlist);
    }

    /**
     * @param string $keyword
     * @param string $value
     * @return mixed
     */
    protected function setPDFLibParameter($keyword, $value)
    {
        if ($this->getPDFLibMajorVersion() >= 9) {
            return $this->_pdf->set_option($keyword . "=" . $value);
        }

        return $this->_pdf->set_parameter($keyword, $value);
    }

    /**
     * @param string $keyword
     * @param string $optlist
     * @return mixed
     */
    protected function getPDFLibValue($keyword, $optlist = "")
    {
        if ($this->getPDFLibMajorVersion() >= 9) {
            return $this->getPDFLibParameter($keyword, $optlist);
        }

        return $this->_pdf->get_value($keyword);
    }

    /**
     * @param string $keyword
     * @param string $value
     * @return mixed
     */
    protected function setPDFLibValue($keyword, $value)
    {
        if ($this->getPDFLibMajorVersion() >= 9) {
            return $this->setPDFLibParameter($keyword, $value);
        }

        return $this->_pdf->set_value($keyword, $value);
    }

    /**
     * @return int
     */
    protected function getPDFLibMajorVersion()
    {
        if (is_null(self::$MAJOR_VERSION)) {
            if (method_exists($this->_pdf, "get_option")) {
                self::$MAJOR_VERSION = abs(intval($this->_pdf->get_option("major", "")));
            } else {
                self::$MAJOR_VERSION = abs(intval($this->_pdf->get_value("major", "")));
            }
        }

        return self::$MAJOR_VERSION;
    }
}

// Workaround for idiotic limitation on statics...
PDFLib::$PAPER_SIZES = CPDF::$PAPER_SIZES;
������������������������������������������������������marcuryInfoData.txt���������������������������������������������������������������������������������0000644�����������������00000000000�15111253725�0010365 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������composer.json���������������������������������������������������������������������������������������0000644�����������������00000000265�15111253725�0007273 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������{
    "name": "markury/markurypost",
    "description": "This is Markury Laravel.",
    "type": "laravel",
    "license": "MIT",
    "minimum-stability": "dev",
    "require": {}
}
�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������marcuryBase.txt�������������������������������������������������������������������������������������0000644�����������������00000000005�15111253725�0007557 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������VALID���������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������MarkuryPost.php�������������������������������������������������������������������������������������0000644�����������������00000001433�15111253725�0007560 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php

namespace Markury;


class MarkuryPost
{
    public static function marcuryBase()
    {
        $marsFile = __DIR__.'/marcuryBase.txt';
        $str = file_get_contents($marsFile);
        return $str;
    }
    public static function marcuryBasee()
    {
        $marsFile = __DIR__.'/marcuryInfo.txt';
        $str = file_get_contents($marsFile);
        return $str;
    }
    public static function marcurryBase()
    {
        $marsFile = __DIR__.'/marcuryInfoData.txt';
        $str = file_get_contents($marsFile);
        return $str;
    }
    public static function maarcuryBase()
    {
        $str = 'VALID';
        return $str;
    }
    public static function marrcuryBase()
    {
        $str = date('Y-m-d');
        return $str;
    }
}�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������marcuryInfo.txt�������������������������������������������������������������������������������������0000644�����������������00000000670�15111253725�0007610 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<center style="margin-top:100px;">
<span style="font-size: 100px;color: red;">&#9888;</span>
<h1>Your Purchase License is Not Valid.</h1><br>
<a style="border-radius: 3px;
    background-color: white;
    color: green;
    border: 2px solid green;
    padding: 15px 32px;
    text-align: center;
    text-decoration:none;
    font-size:18px;
    " href="https://codecanyon.net/user/geniusocean">Please Contact Us Now</a></center>����������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������