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<?php
/**
* @package dompdf
* @link http://dompdf.github.com/
* @author Benj Carson <benjcarson@digitaljunkies.ca>
* @author Orion Richardson <orionr@yahoo.com>
* @author Helmut Tischer <htischer@weihenstephan.org>
* @author Fabien Ménager <fabien.menager@gmail.com>
* @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;
/**
* 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 = array(
"4a0" => array(0, 0, 4767.87, 6740.79),
"2a0" => array(0, 0, 3370.39, 4767.87),
"a0" => array(0, 0, 2383.94, 3370.39),
"a1" => array(0, 0, 1683.78, 2383.94),
"a2" => array(0, 0, 1190.55, 1683.78),
"a3" => array(0, 0, 841.89, 1190.55),
"a4" => array(0, 0, 595.28, 841.89),
"a5" => array(0, 0, 419.53, 595.28),
"a6" => array(0, 0, 297.64, 419.53),
"a7" => array(0, 0, 209.76, 297.64),
"a8" => array(0, 0, 147.40, 209.76),
"a9" => array(0, 0, 104.88, 147.40),
"a10" => array(0, 0, 73.70, 104.88),
"b0" => array(0, 0, 2834.65, 4008.19),
"b1" => array(0, 0, 2004.09, 2834.65),
"b2" => array(0, 0, 1417.32, 2004.09),
"b3" => array(0, 0, 1000.63, 1417.32),
"b4" => array(0, 0, 708.66, 1000.63),
"b5" => array(0, 0, 498.90, 708.66),
"b6" => array(0, 0, 354.33, 498.90),
"b7" => array(0, 0, 249.45, 354.33),
"b8" => array(0, 0, 175.75, 249.45),
"b9" => array(0, 0, 124.72, 175.75),
"b10" => array(0, 0, 87.87, 124.72),
"c0" => array(0, 0, 2599.37, 3676.54),
"c1" => array(0, 0, 1836.85, 2599.37),
"c2" => array(0, 0, 1298.27, 1836.85),
"c3" => array(0, 0, 918.43, 1298.27),
"c4" => array(0, 0, 649.13, 918.43),
"c5" => array(0, 0, 459.21, 649.13),
"c6" => array(0, 0, 323.15, 459.21),
"c7" => array(0, 0, 229.61, 323.15),
"c8" => array(0, 0, 161.57, 229.61),
"c9" => array(0, 0, 113.39, 161.57),
"c10" => array(0, 0, 79.37, 113.39),
"ra0" => array(0, 0, 2437.80, 3458.27),
"ra1" => array(0, 0, 1729.13, 2437.80),
"ra2" => array(0, 0, 1218.90, 1729.13),
"ra3" => array(0, 0, 864.57, 1218.90),
"ra4" => array(0, 0, 609.45, 864.57),
"sra0" => array(0, 0, 2551.18, 3628.35),
"sra1" => array(0, 0, 1814.17, 2551.18),
"sra2" => array(0, 0, 1275.59, 1814.17),
"sra3" => array(0, 0, 907.09, 1275.59),
"sra4" => array(0, 0, 637.80, 907.09),
"letter" => array(0, 0, 612.00, 792.00),
"legal" => array(0, 0, 612.00, 1008.00),
"ledger" => array(0, 0, 1224.00, 792.00),
"tabloid" => array(0, 0, 792.00, 1224.00),
"executive" => array(0, 0, 521.86, 756.00),
"folio" => array(0, 0, 612.00, 936.00),
"commercial #10 envelope" => array(0, 0, 684, 297),
"catalog #10 1/2 envelope" => array(0, 0, 648, 864),
"8.5x11" => array(0, 0, 612.00, 792.00),
"8.5x14" => array(0, 0, 612.00, 1008.0),
"11x17" => array(0, 0, 792.00, 1224.00),
);
/**
* The Dompdf object
*
* @var Dompdf
*/
private $_dompdf;
/**
* Instance of Cpdf class
*
* @var Cpdf
*/
private $_pdf;
/**
* PDF width, in points
*
* @var float
*/
private $_width;
/**
* PDF height, in points
*
* @var float;
*/
private $_height;
/**
* Current page number
*
* @var int
*/
private $_page_number;
/**
* Total number of pages
*
* @var int
*/
private $_page_count;
/**
* Text to display on every page
*
* @var array
*/
private $_page_text;
/**
* Array of pages for accesing after rendering is initially complete
*
* @var array
*/
private $_pages;
/**
* Array of temporary cached images to be deleted when processing is complete
*
* @var array
*/
private $_image_cache;
/**
* Currently-applied opacity level (0 - 1)
*
* @var float
*/
private $_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 $dompdf)
{
if (is_array($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($orientation) === "landscape") {
list($size[2], $size[3]) = array($size[3], $size[2]);
}
$this->_dompdf = $dompdf;
$this->_pdf = new \Cpdf(
$size,
true,
$dompdf->getOptions()->getFontCache(),
$dompdf->getOptions()->getTempDir()
);
$this->_pdf->addInfo("Producer", sprintf("%s + CPDF", $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 = array();
$this->_pages = array($this->_pdf->getFirstPageId());
$this->_image_cache = array();
}
/**
* @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 \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 recored 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_Adapter::close_object()
* @see CPDF_Adapter::add_object()
*
* @return int
*/
public function open_object()
{
$ret = $this->_pdf->openObject();
$this->_pdf->saveState();
return $ret;
}
/**
* Reopens an existing 'object'
*
* @see CPDF_Adapter::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_Adapter::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, $options = array())
{
array_unshift($options, $view);
call_user_func_array(array($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 = array())
{
$this->_set_stroke_color($color);
$this->_set_line_style($width, "butt", "", $style);
$this->_pdf->line($x1, $this->y($y1),
$x2, $this->y($y2));
}
/**
* @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 = array())
{
$this->_set_stroke_color($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);
}
/**
* Convert a GIF or BMP image to a PNG image
*
* @param string $image_url
* @param integer $type
*
* @throws Exception
* @return string The url of the newly converted image
*/
protected function _convert_gif_bmp_to_png($image_url, $type)
{
$func_name = "imagecreatefrom$type";
if (!function_exists($func_name)) {
if (!method_exists("Dompdf\Helpers", $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(array("\\Dompdf\\Helpers", "record_warnings"));
$im = call_user_func($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;
}
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 = array())
{
$this->_set_stroke_color($color);
$this->_set_line_style($width, "butt", "", $style);
$this->_pdf->rectangle($x1, $this->y($y1) - $h, $w, $h);
}
/**
* @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);
}
/**
* @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)
{
$this->_pdf->transform(array($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 = array(), $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);
}
/**
* @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);
}
/**
* @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, $resolution = "normal")
{
list($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, $h);
break;
case "gif":
/** @noinspection PhpMissingBreakStatementInspection */
case "bmp":
if ($debug_png) print '!!!bmp or gif!!!';
// @todo use cache for BMP and GIF
$img = $this->_convert_gif_bmp_to_png($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!!!';
}
}
/**
* @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 = array(0, 0, 0), $word_space = 0.0, $char_space = 0.0, $angle = 0.0)
{
$pdf = $this->_pdf;
$this->_set_fill_color($color);
$font .= ".afm";
$pdf->selectFont($font);
//FontMetrics::getFontHeight($font, $size) ==
//$this->getFontHeight($font, $size) ==
//$this->_pdf->selectFont($font),$this->_pdf->getFontHeight($size)
//- FontBBoxheight+FontHeightOffset, scaled to $size, in pt
//$this->_pdf->getFontDescender($size)
//- Descender scaled to size
//
//$this->_pdf->fonts[$this->_pdf->currentFont] sizes:
//['FontBBox'][0] left, ['FontBBox'][1] bottom, ['FontBBox'][2] right, ['FontBBox'][3] top
//Maximum extent of all glyphs of the font from the baseline point
//['Ascender'] maximum height above baseline except accents
//['Descender'] maximum depth below baseline, negative number means below baseline
//['FontHeightOffset'] manual enhancement of .afm files to trim windows fonts. currently not used.
//Values are in 1/1000 pt for a font size of 1 pt
//
//['FontBBox'][1] should be close to ['Descender']
//['FontBBox'][3] should be close to ['Ascender']+Accents
//in practice, FontBBox values are a little bigger
//
//The text position is referenced to the baseline, not to the lower corner of the FontBBox,
//for what the left,top corner is given.
//FontBBox spans also the background box for the text.
//If the lower corner would be used as reference point, the Descents of the glyphs would
//hang over the background box border.
//Therefore compensate only the extent above the Baseline.
//
//print '<pre>['.$font.','.$size.','.$pdf->getFontHeight($size).','.$pdf->getFontDescender($size).','.$pdf->fonts[$pdf->currentFont]['FontBBox'][3].','.$pdf->fonts[$pdf->currentFont]['FontBBox'][1].','.$pdf->fonts[$pdf->currentFont]['FontHeightOffset'].','.$pdf->fonts[$pdf->currentFont]['Ascender'].','.$pdf->fonts[$pdf->currentFont]['Descender'].']</pre>';
//
//$pdf->addText($x, $this->y($y) - ($pdf->fonts[$pdf->currentFont]['FontBBox'][3]*$size)/1000, $size, $text, $angle, $word_space, $char_space);
$pdf->addText($x, $this->y($y) - $pdf->getFontHeight($size), $size, $text, $angle, $word_space, $char_space);
}
/**
* @param string $code
*/
public function javascript($code)
{
$this->_pdf->addJavascript($code);
}
//........................................................................
/**
* Add a named destination (similar to <a name="foo">...</a> 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 int $word_spacing
* @param int $char_spacing
* @return float|int
*/
public function get_text_width($text, $font, $size, $word_spacing = 0, $char_spacing = 0)
{
$this->_pdf->selectFont($font);
return $this->_pdf->getTextWidth($size, $text, $word_spacing, $char_spacing);
}
/**
* @param $font
* @param $string
*/
public function register_string_subset($font, $string)
{
$this->_pdf->registerText($font, $string);
}
/**
* @param string $font
* @param float $size
* @return float|int
*/
public function get_font_height($font, $size)
{
$this->_pdf->selectFont($font);
$ratio = $this->_dompdf->getOptions()->getFontHeightRatio();
return $this->_pdf->getFontHeight($size) * $ratio;
}
/*function get_font_x_height($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 = array(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":
$text = str_replace(array("{PAGE_NUM}", "{PAGE_COUNT}"),
array($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, array('PAGE_NUM' => $page_number, 'PAGE_COUNT' => $this->_page_count));
break;
}
}
$this->close_object();
$page_number++;
}
}
/**
* Streams the PDF directly to the browser
*
* @param string $filename the name of the PDF file
* @param array $options associative array, 'Attachment' => 0 or 1, 'compress' => 1 or 0
*/
public function stream($filename, $options = null)
{
// Add page text
$this->_add_page_text();
$options["Content-Disposition"] = $filename;
$this->_pdf->stream($options);
}
/**
* Returns the PDF as a string
*
* @param array $options Output options
* @return string
*/
public function output($options = null)
{
$this->_add_page_text();
$debug = isset($options["compress"]) && $options["compress"] != 1;
return $this->_pdf->output($debug);
}
/**
* Returns logging messages generated by the Cpdf class
*
* @return string
*/
public function get_messages()
{
return $this->_pdf->messages;
}
}
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