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* @author Orion Richardson
* @author Helmut Tischer
* @author Fabien Ménager
* @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\Helpers; use Dompdf\Exception; use Dompdf\Image\Cache; use Dompdf\PhpEvaluator; 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, 4767.87, 6740.79], "2a0" => [0, 0, 3370.39, 4767.87], "a0" => [0, 0, 2383.94, 3370.39], "a1" => [0, 0, 1683.78, 2383.94], "a2" => [0, 0, 1190.55, 1683.78], "a3" => [0, 0, 841.89, 1190.55], "a4" => [0, 0, 595.28, 841.89], "a5" => [0, 0, 419.53, 595.28], "a6" => [0, 0, 297.64, 419.53], "a7" => [0, 0, 209.76, 297.64], "a8" => [0, 0, 147.40, 209.76], "a9" => [0, 0, 104.88, 147.40], "a10" => [0, 0, 73.70, 104.88], "b0" => [0, 0, 2834.65, 4008.19], "b1" => [0, 0, 2004.09, 2834.65], "b2" => [0, 0, 1417.32, 2004.09], "b3" => [0, 0, 1000.63, 1417.32], "b4" => [0, 0, 708.66, 1000.63], "b5" => [0, 0, 498.90, 708.66], "b6" => [0, 0, 354.33, 498.90], "b7" => [0, 0, 249.45, 354.33], "b8" => [0, 0, 175.75, 249.45], "b9" => [0, 0, 124.72, 175.75], "b10" => [0, 0, 87.87, 124.72], "c0" => [0, 0, 2599.37, 3676.54], "c1" => [0, 0, 1836.85, 2599.37], "c2" => [0, 0, 1298.27, 1836.85], "c3" => [0, 0, 918.43, 1298.27], "c4" => [0, 0, 649.13, 918.43], "c5" => [0, 0, 459.21, 649.13], "c6" => [0, 0, 323.15, 459.21], "c7" => [0, 0, 229.61, 323.15], "c8" => [0, 0, 161.57, 229.61], "c9" => [0, 0, 113.39, 161.57], "c10" => [0, 0, 79.37, 113.39], "ra0" => [0, 0, 2437.80, 3458.27], "ra1" => [0, 0, 1729.13, 2437.80], "ra2" => [0, 0, 1218.90, 1729.13], "ra3" => [0, 0, 864.57, 1218.90], "ra4" => [0, 0, 609.45, 864.57], "sra0" => [0, 0, 2551.18, 3628.35], "sra1" => [0, 0, 1814.17, 2551.18], "sra2" => [0, 0, 1275.59, 1814.17], "sra3" => [0, 0, 907.09, 1275.59], "sra4" => [0, 0, 637.80, 907.09], "letter" => [0, 0, 612.00, 792.00], "half-letter" => [0, 0, 396.00, 612.00], "legal" => [0, 0, 612.00, 1008.00], "ledger" => [0, 0, 1224.00, 792.00], "tabloid" => [0, 0, 792.00, 1224.00], "executive" => [0, 0, 521.86, 756.00], "folio" => [0, 0, 612.00, 936.00], "commercial #10 envelope" => [0, 0, 684, 297], "catalog #10 1/2 envelope" => [0, 0, 648, 864], "8.5x11" => [0, 0, 612.00, 792.00], "8.5x14" => [0, 0, 612.00, 1008.0], "11x17" => [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; /** * Text to display on every page * * @var array */ protected $_page_text; /** * Array of pages for accessing after rendering is initially complete * * @var array */ protected $_pages; /** * Array of temporary cached images to be deleted when processing is complete * * @var array */ protected $_image_cache; /** * Currently-applied opacity level (0 - 1) * * @var float */ protected $_current_opacity = 1; /** * Class constructor * * @param mixed $paper The size of paper to use in this PDF ({@link CPDF::$PAPER_SIZES}) * @param string $orientation The orientation of the document (either 'landscape' or 'portrait') * @param Dompdf $dompdf The Dompdf instance */ public function __construct($paper = "letter", $orientation = "portrait", Dompdf $dompdf = null) { if (is_array($paper)) { $size = $paper; } else if (isset(self::$PAPER_SIZES[mb_strtolower($paper)])) { $size = self::$PAPER_SIZES[mb_strtolower($paper)]; } else { $size = self::$PAPER_SIZES["letter"]; } if (mb_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->_page_text = []; $this->_pages = [$this->_pdf->getFirstPageId()]; $this->_image_cache = []; } /** * @return Dompdf */ public function get_dompdf() { return $this->_dompdf; } /** * Class destructor * * Deletes all temporary image files */ public function __destruct() { foreach ($this->_image_cache as $img) { // The file might be already deleted by 3rd party tmp cleaner, // the file might not have been created at all // (if image outputting commands failed) // or because the destructor was called twice accidentally. if (!file_exists($img)) { continue; } if ($this->_dompdf->getOptions()->getDebugPng()) { print '[__destruct unlink ' . $img . ']'; } if (!$this->_dompdf->getOptions()->getDebugKeepTemp()) { unlink($img); } } } /** * Returns the Cpdf instance * * @return \Dompdf\Cpdf */ public function get_cpdf() { return $this->_pdf; } /** * Add meta information to the PDF * * @param string $label label of the value (Creator, Producer, etc.) * @param string $value the text to set */ public function add_info($label, $value) { $this->_pdf->addInfo($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); } /** * @access private */ public function serialize_object($id) { // Serialize the pdf object's current state for retrieval later return $this->_pdf->serializeObject($id); } /** * @access private */ public function reopen_serialized_object($obj) { return $this->_pdf->restoreSerializedObject($obj); } //........................................................................ /** * Returns the PDF's width in points * @return float */ public function get_width() { return $this->_width; } /** * Returns the PDF's height in points * @return float */ public function get_height() { return $this->_height; } /** * Returns the current page number * @return int */ public function get_page_number() { return $this->_page_number; } /** * Returns the total number of pages in the document * @return int */ 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; } /** * Sets the page count * * @param int $count */ public function set_page_count($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"]) ? $color["alpha"] : 1; if ($this->_current_opacity != 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"]) ? $color["alpha"] : 1; if ($this->_current_opacity) { $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); } /** * Sets the opacity * * @param $opacity * @param $mode */ public function set_opacity($opacity, $mode = "Normal") { $this->_set_line_transparency($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; } /** * Canvas implementation * * @param float $x1 * @param float $y1 * @param float $x2 * @param float $y2 * @param array $color * @param float $width * @param array $style */ public function line($x1, $y1, $x2, $y2, $color, $width, $style = []) { $this->_set_stroke_color($color); $this->_set_line_style($width, "butt", "", $style); $this->_pdf->line($x1, $this->y($y1), $x2, $this->y($y2)); $this->_set_line_transparency("Normal", $this->_current_opacity); } /** * Draw line at the specified coordinates on every page. * * See {@link Style::munge_color()} for the format of the colour array. * * @param float $x1 * @param float $y1 * @param float $x2 * @param float $y2 * @param array $color * @param float $width * @param array $style optional */ public function page_line($x1, $y1, $x2, $y2, $color, $width, $style = []) { $_t = 'line'; $this->_page_text[] = compact('_t', 'x1', 'y1', 'x2', 'y2', 'color', 'width', 'style'); } /** * @param float $x * @param float $y * @param float $r1 * @param float $r2 * @param float $astart * @param float $aend * @param array $color * @param float $width * @param array $style */ public function arc($x, $y, $r1, $r2, $astart, $aend, $color, $width, $style = []) { $this->_set_stroke_color($color); $this->_set_line_style($width, "butt", "", $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); } /** * Convert image to a PNG image * * @param string $image_url * @param int $type * * @throws Exception * @return string The url of the newly converted image */ protected function _convert_to_png($image_url, $type) { $func_name = "imagecreatefrom$type"; 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 = "\\Dompdf\\Helpers::" . $func_name; } set_error_handler([Helpers::class, 'record_warnings']); 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"; $this->_image_cache[] = $filename; imagepng($im, $filename); imagedestroy($im); } else { $filename = Cache::$broken_image; } } finally { restore_error_handler(); } return $filename; } /** * @param float $x1 * @param float $y1 * @param float $w * @param float $h * @param array $color * @param float $width * @param array $style */ public function rectangle($x1, $y1, $w, $h, $color, $width, $style = []) { $this->_set_stroke_color($color); $this->_set_line_style($width, "butt", "", $style); $this->_pdf->rectangle($x1, $this->y($y1) - $h, $w, $h); $this->_set_line_transparency("Normal", $this->_current_opacity); } /** * @param float $x1 * @param float $y1 * @param float $w * @param float $h * @param array $color */ public function filled_rectangle($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); } /** * @param float $x1 * @param float $y1 * @param float $w * @param float $h */ public function clipping_rectangle($x1, $y1, $w, $h) { $this->_pdf->clippingRectangle($x1, $this->y($y1) - $h, $w, $h); } /** * @param float $x1 * @param float $y1 * @param float $w * @param float $h * @param float $rTL * @param float $rTR * @param float $rBR * @param float $rBL */ public function clipping_roundrectangle($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_end() { $this->_pdf->clippingEnd(); } /** * */ public function save() { $this->_pdf->saveState(); } /** * */ public function restore() { $this->_pdf->restoreState(); } /** * @param $angle * @param $x * @param $y */ public function rotate($angle, $x, $y) { $this->_pdf->rotate($angle, $x, $y); } /** * @param $angle_x * @param $angle_y * @param $x * @param $y */ public function skew($angle_x, $angle_y, $x, $y) { $this->_pdf->skew($angle_x, $angle_y, $x, $y); } /** * @param $s_x * @param $s_y * @param $x * @param $y */ public function scale($s_x, $s_y, $x, $y) { $this->_pdf->scale($s_x, $s_y, $x, $y); } /** * @param $t_x * @param $t_y */ public function translate($t_x, $t_y) { $this->_pdf->translate($t_x, $t_y); } /** * @param $a * @param $b * @param $c * @param $d * @param $e * @param $f */ public function transform($a, $b, $c, $d, $e, $f) { $this->_pdf->transform([$a, $b, $c, $d, $e, $f]); } /** * @param array $points * @param array $color * @param null $width * @param array $style * @param bool $fill */ public function polygon($points, $color, $width = null, $style = [], $fill = false) { $this->_set_fill_color($color); $this->_set_stroke_color($color); // Adjust y values for ($i = 1; $i < count($points); $i += 2) { $points[$i] = $this->y($points[$i]); } $this->_pdf->polygon($points, count($points) / 2, $fill); $this->_set_fill_transparency("Normal", $this->_current_opacity); $this->_set_line_transparency("Normal", $this->_current_opacity); } /** * @param float $x * @param float $y * @param float $r1 * @param array $color * @param null $width * @param null $style * @param bool $fill */ public function circle($x, $y, $r1, $color, $width = null, $style = null, $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), $r1, 0, 0, 8, 0, 360, 1, $fill); $this->_set_fill_transparency("Normal", $this->_current_opacity); $this->_set_line_transparency("Normal", $this->_current_opacity); } /** * @param string $img * @param float $x * @param float $y * @param int $w * @param int $h * @param string $resolution */ public function image($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}!!!"; // @todo use cache for converted images (BMP/GIF/WebP) $img = $this->_convert_to_png($img, $type); case "png": if ($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); } /** * @param float $x * @param float $y * @param string $text * @param string $font * @param float $size * @param array $color * @param float $word_space * @param float $char_space * @param float $angle */ public function text($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); } /** * @param string $code */ public function javascript($code) { $this->_pdf->addJavascript($code); } //........................................................................ /** * Add a named destination (similar to
...
in html) * * @param string $anchorname The name of the named destination */ public function add_named_dest($anchorname) { $this->_pdf->addDestination($anchorname, "Fit"); } /** * Add a link to the pdf * * @param string $url The url to link to * @param float $x The x position of the link * @param float $y The y position of the link * @param float $width The width of the link * @param float $height The height of the link */ public function add_link($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 { $this->_pdf->addLink(rawurldecode($url), $x, $y, $x + $width, $y + $height); } } /** * @param string $text * @param string $font * @param float $size * @param float $word_spacing * @param float $char_spacing * @return float */ public function get_text_width($text, $font, $size, $word_spacing = 0, $char_spacing = 0) { $this->_pdf->selectFont($font, '', true, $this->_dompdf->getOptions()->getIsFontSubsettingEnabled()); return $this->_pdf->getTextWidth($size, $text, $word_spacing, $char_spacing); } /** * @param string $font * @param float $size * @return float|int * @throws FontNotFoundException */ public function get_font_height($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; }*/ /** * @param string $font * @param float $size * @return float */ public function get_font_baseline($font, $size) { $ratio = $this->_dompdf->getOptions()->getFontHeightRatio(); return $this->get_font_height($font, $size) / $ratio; } /** * Writes text at the specified x and y coordinates on every page * * The strings '{PAGE_NUM}' and '{PAGE_COUNT}' are automatically replaced * with their current values. * * See {@link Style::munge_color()} for the format of the colour array. * * @param float $x * @param float $y * @param string $text the text to write * @param string $font the font file to use * @param float $size the font size, in points * @param array $color * @param float $word_space word spacing adjustment * @param float $char_space char spacing adjustment * @param float $angle angle to write the text at, measured CW starting from the x-axis */ public function page_text($x, $y, $text, $font, $size, $color = [0, 0, 0], $word_space = 0.0, $char_space = 0.0, $angle = 0.0) { $_t = "text"; $this->_page_text[] = compact("_t", "x", "y", "text", "font", "size", "color", "word_space", "char_space", "angle"); } /** * Processes a script on every page * * The variables $pdf, $PAGE_NUM, and $PAGE_COUNT are available. * * This function can be used to add page numbers to all pages * after the first one, for example. * * @param string $code the script code * @param string $type the language type for script */ public function page_script($code, $type = "text/php") { $_t = "script"; $this->_page_text[] = compact("_t", "code", "type"); } /** * @return int */ public function new_page() { $this->_page_number++; $this->_page_count++; $ret = $this->_pdf->newPage(); $this->_pages[] = $ret; return $ret; } /** * Add text to each page after rendering is complete */ protected function _add_page_text() { if (!count($this->_page_text)) { return; } $page_number = 1; $eval = null; foreach ($this->_pages as $pid) { $this->reopen_object($pid); foreach ($this->_page_text as $pt) { extract($pt); switch ($_t) { case "text": $text = str_replace(["{PAGE_NUM}", "{PAGE_COUNT}"], [$page_number, $this->_page_count], $text); $this->text($x, $y, $text, $font, $size, $color, $word_space, $char_space, $angle); break; case "script": if (!$eval) { $eval = new PhpEvaluator($this); } $eval->evaluate($code, ['PAGE_NUM' => $page_number, 'PAGE_COUNT' => $this->_page_count]); break; case 'line': $this->line($x1, $y1, $x2, $y2, $color, $width, $style); break; } } $this->close_object(); $page_number++; } } /** * Streams the PDF to the client. * * @param string $filename The filename to present to the client. * @param array $options Associative array: 'compress' => 1 or 0 (default 1); 'Attachment' => 1 or 0 (default 1). */ public function stream($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; $this->_add_page_text(); $debug = !$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(); } /** * Returns the PDF as a string. * * @param array $options Associative array: 'compress' => 1 or 0 (default 1). * @return string */ public function output($options = []) { if (!isset($options["compress"])) $options["compress"] = true; $this->_add_page_text(); $debug = !$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; } }