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<?php
/**
* DOMPDF - PHP5 HTML to PDF renderer
*
* File: $RCSfile: style.cls.php,v $
* Created on: 2004-06-01
*
* Copyright (c) 2004 - Benj Carson <benjcarson@digitaljunkies.ca>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library in the file LICENSE.LGPL; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA
*
* Alternatively, you may distribute this software under the terms of the
* PHP License, version 3.0 or later. A copy of this license should have
* been distributed with this file in the file LICENSE.PHP . If this is not
* the case, you can obtain a copy at http://www.php.net/license/3_0.txt.
*
* The latest version of DOMPDF might be available at:
* http://www.digitaljunkies.ca/dompdf
*
* @link http://www.digitaljunkies.ca/dompdf
* @copyright 2004 Benj Carson
* @author Benj Carson <benjcarson@digitaljunkies.ca>
* @package dompdf
* @version 0.5.1
*/
/* $Id: style.cls.php,v 1.18 2006/07/07 21:31:04 benjcarson Exp $ */
/**
* Represents CSS properties.
*
* The Style class is responsible for handling and storing CSS properties.
* It includes methods to resolve colours and lengths, as well as getters &
* setters for many CSS properites.
*
* Actual CSS parsing is performed in the {@link Stylesheet} class.
*
* @package dompdf
*/
class Style {
/**
* Default font size, in points.
*
* @var float
*/
static $default_font_size = 12;
/**
* Default line height, as a fraction of the font size.
*
* @var float
*/
static $default_line_height = 1.2;
/**
* List of all inline types. Should really be a constant.
*
* @var array
*/
static $INLINE_TYPES = array("inline");
/**
* List of all block types. Should really be a constant.
*
* @var array
*/
static $BLOCK_TYPES = array("block","inline-block", "table-cell", "list-item");
/**
* List of all table types. Should really be a constant.
*
* @var array;
*/
static $TABLE_TYPES = array("table", "inline-table");
/**
* List of valid border styles. Should also really be a constant.
*
* @var array
*/
static $BORDER_STYLES = array("none", "hidden", "dotted", "dashed", "solid",
"double", "groove", "ridge", "inset", "outset");
/**
* Default style values.
*
* @link http://www.w3.org/TR/CSS21/propidx.html
*
* @var array
*/
static protected $_defaults = null;
/**
* List of inherited properties
*
* @link http://www.w3.org/TR/CSS21/propidx.html
*
* @var array
*/
static protected $_inherited = null;
/**
* The stylesheet this style belongs to
*
* @see Stylesheet
* @var Stylesheet
*/
protected $_stylesheet; // stylesheet this style is attached to
/**
* Main array of all CSS properties & values
*
* @var array
*/
protected $_props;
/**
* Cached property values
*
* @var array
*/
protected $_prop_cache;
/**
* Font size of parent element in document tree. Used for relative font
* size resolution.
*
* @var float
*/
protected $_parent_font_size; // Font size of parent element
// private members
/**
* True once the font size is resolved absolutely
*
* @var bool
*/
private $__font_size_calculated; // Cache flag
/**
* Class constructor
*
* @param Stylesheet $stylesheet the stylesheet this Style is associated with.
*/
function __construct(Stylesheet $stylesheet) {
$this->_props = array();
$this->_stylesheet = $stylesheet;
$this->_parent_font_size = null;
$this->__font_size_calculated = false;
if ( !isset(self::$_defaults) ) {
// Shorthand
$d =& self::$_defaults;
// All CSS 2.1 properties, and their default values
$d["azimuth"] = "center";
$d["background_attachment"] = "scroll";
$d["background_color"] = "transparent";
$d["background_image"] = "none";
$d["background_position"] = "0% 0%";
$d["background_repeat"] = "repeat";
$d["background"] = "";
$d["border_collapse"] = "separate";
$d["border_color"] = "";
$d["border_spacing"] = "0";
$d["border_style"] = "";
$d["border_top"] = "";
$d["border_right"] = "";
$d["border_bottom"] = "";
$d["border_left"] = "";
$d["border_top_color"] = "";
$d["border_right_color"] = "";
$d["border_bottom_color"] = "";
$d["border_left_color"] = "";
$d["border_top_style"] = "none";
$d["border_right_style"] = "none";
$d["border_bottom_style"] = "none";
$d["border_left_style"] = "none";
$d["border_top_width"] = "medium";
$d["border_right_width"] = "medium";
$d["border_bottom_width"] = "medium";
$d["border_left_width"] = "medium";
$d["border_width"] = "medium";
$d["border"] = "";
$d["bottom"] = "auto";
$d["caption_side"] = "top";
$d["clear"] = "none";
$d["clip"] = "auto";
$d["color"] = "#000000";
$d["content"] = "normal";
$d["counter_increment"] = "none";
$d["counter_reset"] = "none";
$d["cue_after"] = "none";
$d["cue_before"] = "none";
$d["cue"] = "";
$d["cursor"] = "auto";
$d["direction"] = "ltr";
$d["display"] = "inline";
$d["elevation"] = "level";
$d["empty_cells"] = "show";
$d["float"] = "none";
$d["font_family"] = "serif";
$d["font_size"] = "medium";
$d["font_style"] = "normal";
$d["font_variant"] = "normal";
$d["font_weight"] = "normal";
$d["font"] = "";
$d["height"] = "auto";
$d["left"] = "auto";
$d["letter_spacing"] = "normal";
$d["line_height"] = "normal";
$d["list_style_image"] = "none";
$d["list_style_position"] = "outside";
$d["list_style_type"] = "disc";
$d["list_style"] = "";
$d["margin_right"] = "0";
$d["margin_left"] = "0";
$d["margin_top"] = "0";
$d["margin_bottom"] = "0";
$d["margin"] = "";
$d["max_height"] = "none";
$d["max_width"] = "none";
$d["min_height"] = "0";
$d["min_width"] = "0";
$d["orphans"] = "2";
$d["outline_color"] = "invert";
$d["outline_style"] = "none";
$d["outline_width"] = "medium";
$d["outline"] = "";
$d["overflow"] = "visible";
$d["padding_top"] = "0";
$d["padding_right"] = "0";
$d["padding_bottom"] = "0";
$d["padding_left"] = "0";
$d["padding"] = "";
$d["page_break_after"] = "auto";
$d["page_break_before"] = "auto";
$d["page_break_inside"] = "auto";
$d["pause_after"] = "0";
$d["pause_before"] = "0";
$d["pause"] = "";
$d["pitch_range"] = "50";
$d["pitch"] = "medium";
$d["play_during"] = "auto";
$d["position"] = "static";
$d["quotes"] = "";
$d["richness"] = "50";
$d["right"] = "auto";
$d["speak_header"] = "once";
$d["speak_numeral"] = "continuous";
$d["speak_punctuation"] = "none";
$d["speak"] = "normal";
$d["speech_rate"] = "medium";
$d["stress"] = "50";
$d["table_layout"] = "auto";
$d["text_align"] = "left";
$d["text_decoration"] = "none";
$d["text_indent"] = "0";
$d["text_transform"] = "none";
$d["top"] = "auto";
$d["unicode_bidi"] = "normal";
$d["vertical_align"] = "baseline";
$d["visibility"] = "visible";
$d["voice_family"] = "";
$d["volume"] = "medium";
$d["white_space"] = "normal";
$d["widows"] = "2";
$d["width"] = "auto";
$d["word_spacing"] = "normal";
$d["z_index"] = "auto";
// Properties that inherit by default
self::$_inherited = array("azimuth",
"border_collapse",
"border_spacing",
"caption_side",
"color",
"cursor",
"direction",
"elevation",
"empty_cells",
"font_family",
"font_size",
"font_style",
"font_variant",
"font_weight",
"font",
"letter_spacing",
"line_height",
"list_style_image",
"list_style_position",
"list_style_type",
"list_style",
"orphans",
"page_break_inside",
"pitch_range",
"pitch",
"quotes",
"richness",
"speak_header",
"speak_numeral",
"speak_punctuation",
"speak",
"speech_rate",
"stress",
"text_align",
"text_indent",
"text_transform",
"visibility",
"voice_family",
"volume",
"white_space",
"widows",
"word_spacing");
}
}
/**
* "Destructor": forcibly free all references held by this object
*/
function dispose() {
unset($this->_stylesheet);
}
/**
* returns the {@link Stylesheet} this Style is associated with.
*
* @return Stylesheet
*/
function get_stylesheet() { return $this->_stylesheet; }
/**
* Converts any CSS length value into an absolute length in points.
*
* length_in_pt() takes a single length (e.g. '1em') or an array of
* lengths and returns an absolute length. If an array is passed, then
* the return value is the sum of all elements.
*
* If a reference size is not provided, the default font size is used
* ({@link Style::$default_font_size}).
*
* @param float|array $length the length or array of lengths to resolve
* @param float $ref_size an absolute reference size to resolve percentage lengths
* @return float
*/
function length_in_pt($length, $ref_size = null) {
if ( !is_array($length) )
$length = array($length);
if ( !isset($ref_size) )
$ref_size = self::$default_font_size;
$ret = 0;
foreach ($length as $l) {
if ( $l === "auto" )
return "auto";
if ( $l === "none" )
return "none";
// Assume numeric values are already in points
if ( is_numeric($l) ) {
$ret += $l;
continue;
}
if ( $l === "normal" ) {
$ret += $ref_size;
continue;
}
// Border lengths
if ( $l === "thin" ) {
$ret += 0.5;
continue;
}
if ( $l === "medium" ) {
$ret += 1.5;
continue;
}
if ( $l === "thick" ) {
$ret += 2.5;
continue;
}
if ( ($i = mb_strpos($l, "pt")) !== false ) {
$ret += mb_substr($l, 0, $i);
continue;
}
if ( ($i = mb_strpos($l, "px")) !== false ) {
$ret += mb_substr($l, 0, $i);
continue;
}
if ( ($i = mb_strpos($l, "em")) !== false ) {
$ret += mb_substr($l, 0, $i) * $this->__get("font_size");
continue;
}
// FIXME: em:ex ratio?
if ( ($i = mb_strpos($l, "ex")) !== false ) {
$ret += mb_substr($l, 0, $i) * $this->__get("font_size");
continue;
}
if ( ($i = mb_strpos($l, "%")) !== false ) {
$ret += mb_substr($l, 0, $i)/100 * $ref_size;
continue;
}
if ( ($i = mb_strpos($l, "in")) !== false ) {
$ret += mb_substr($l, 0, $i) * 72;
continue;
}
if ( ($i = mb_strpos($l, "cm")) !== false ) {
$ret += mb_substr($l, 0, $i) * 72 / 2.54;
continue;
}
if ( ($i = mb_strpos($l, "mm")) !== false ) {
$ret += mb_substr($l, 0, $i) * 72 / 25.4;
continue;
}
if ( ($i = mb_strpos($l, "pc")) !== false ) {
$ret += mb_substr($l, 0, $i) / 12;
continue;
}
// Bogus value
$ret += $ref_size;
}
return $ret;
}
/**
* Set inherited properties in this style using values in $parent
*
* @param Style $parent
*/
function inherit(Style $parent) {
// Set parent font size
$this->_parent_font_size = $parent->get_font_size();
foreach (self::$_inherited as $prop) {
if ( !isset($this->_props[$prop]) && isset($parent->_props[$prop]) )
$this->_props[$prop] = $parent->_props[$prop];
}
foreach (array_keys($this->_props) as $prop) {
if ( $this->_props[$prop] == "inherit" )
$this->$prop = $parent->$prop;
}
return $this;
}
/**
* Override properties in this style with those in $style
*
* @param Style $style
*/
function merge(Style $style) {
$this->_props = array_merge($this->_props, $style->_props);
if ( isset($style->_props["font_size"]) )
$this->__font_size_calculated = false;
}
/**
* Returns an array(r, g, b, "r"=> r, "g"=>g, "b"=>b, "hex"=>"#rrggbb")
* based on the provided CSS colour value.
*
* @param string $colour
* @return array
*/
function munge_colour($colour) {
if ( is_array($colour) )
// Assume the array has the right format...
// FIXME: should/could verify this.
return $colour;
$r = 0;
$g = 0;
$b = 0;
// Handle colour names
switch ($colour) {
case "maroon":
$r = 0x80;
break;
case "red":
$r = 0xff;
break;
case "orange":
$r = 0xff;
$g = 0xa5;
break;
case "yellow":
$r = 0xff;
$g = 0xff;
break;
case "olive":
$r = 0x80;
$g = 0x80;
break;
case "purple":
$r = 0x80;
$b = 0x80;
break;
case "fuchsia":
$r = 0xff;
$b = 0xff;
break;
case "white":
$r = $g = $b = 0xff;
break;
case "lime":
$g = 0xff;
break;
case "green":
$g = 0x80;
break;
case "navy":
$b = 0x80;
break;
case "blue":
$b = 0xff;
break;
case "aqua":
$g = 0xff;
$b = 0xff;
break;
case "teal":
$g = 0x80;
$b = 0x80;
break;
case "black":
break;
case "sliver":
$r = $g = $b = 0xc0;
break;
case "gray":
case "grey":
$r = $g = $b = 0x80;
break;
case "transparent":
return "transparent";
default:
if ( mb_strlen($colour) == 4 && $colour{0} == "#" ) {
// #rgb format
$r = hexdec($colour{1} . $colour{1});
$g = hexdec($colour{2} . $colour{2});
$b = hexdec($colour{3} . $colour{3});
} else if ( mb_strlen($colour) == 7 && $colour{0} == "#" ) {
// #rrggbb format
$r = hexdec(mb_substr($colour, 1, 2));
$g = hexdec(mb_substr($colour, 3, 2));
$b = hexdec(mb_substr($colour, 5, 2));
} else if ( mb_strpos($colour, "rgb") !== false ) {
// rgb( r,g,b ) format
$i = mb_strpos($colour, "(");
$j = mb_strpos($colour, ")");
// Bad colour value
if ($i === false || $j === false)
return null;
$triplet = explode(",", mb_substr($colour, $i+1, $j-$i-1));
if (count($triplet) != 3)
return null;
foreach (array_keys($triplet) as $c) {
$triplet[$c] = trim($triplet[$c]);
if ( $triplet[$c]{mb_strlen($triplet[$c]) - 1} == "%" )
$triplet[$c] = round($triplet[$c] * 0.255);
}
list($r, $g, $b) = $triplet;
} else {
// Who knows?
return null;
}
// Clip to 0 - 1
$r = $r < 0 ? 0 : ($r > 255 ? 255 : $r);
$g = $g < 0 ? 0 : ($g > 255 ? 255 : $g);
$b = $b < 0 ? 0 : ($b > 255 ? 255 : $b);
break;
}
// Form array
$arr = array(0 => $r / 0xff, 1 => $g / 0xff, 2 => $b / 0xff,
"r"=>$r / 0xff, "g"=>$g / 0xff, "b"=>$b / 0xff,
"hex" => sprintf("#%02X%02X%02X", $r, $g, $b));
return $arr;
}
/**
* Alias for {@link Style::munge_colour()}
*
* @param string $color
* @return array
*/
function munge_color($color) { return $this->munge_colour($color); }
/**
* PHP5 overloaded setter
*
* This function along with {@link Style::__get()} permit a user of the
* Style class to access any (CSS) property using the following syntax:
* <code>
* Style->margin_top = "1em";
* echo (Style->margin_top);
* </code>
*
* __set() automatically calls the provided set function, if one exists,
* otherwise it sets the property directly. Typically, __set() is not
* called directly from outside of this class.
*
* @param string $prop the property to set
* @param mixed $val the value of the property
*
*/
function __set($prop, $val) {
global $_dompdf_warnings;
$prop = str_replace("-", "_", $prop);
$this->_prop_cache[$prop] = null;
if ( !isset(self::$_defaults[$prop]) ) {
$_dompdf_warnings[] = "'$prop' is not a valid CSS2 property.";
return;
}
if ( $prop !== "content" && is_string($val) && mb_strpos($val, "url") === false ) {
$val = mb_strtolower(trim(str_replace(array("\n", "\t"), array(" "), $val)));
$val = preg_replace("/([0-9]+) (pt|px|pc|em|ex|in|cm|mm|%)/S", "\\1\\2", $val);
}
$method = "set_$prop";
if ( method_exists($this, $method) )
$this->$method($val);
else
$this->_props[$prop] = $val;
}
/**
* PHP5 overloaded getter
*
* Along with {@link Style::__set()} __get() provides access to all CSS
* properties directly. Typically __get() is not called directly outside
* of this class.
*
* @param string $prop
* @return mixed
*/
function __get($prop) {
if ( !isset(self::$_defaults[$prop]) )
throw new DOMPDF_Exception("'$prop' is not a valid CSS2 property.");
if ( isset($this->_prop_cache[$prop]) )
return $this->_prop_cache[$prop];
$method = "get_$prop";
// Fall back on defaults if property is not set
if ( !isset($this->_props[$prop]) )
$this->_props[$prop] = self::$_defaults[$prop];
if ( method_exists($this, $method) )
return $this->_prop_cache[$prop] = $this->$method();
return $this->_prop_cache[$prop] = $this->_props[$prop];
}
/**
* Getter for the 'font-family' CSS property.
*
* Uses the {@link Font_Metrics} class to resolve the font family into an
* actual font file.
*
* @link http://www.w3.org/TR/CSS21/fonts.html#propdef-font-family
* @return string
*/
function get_font_family() {
// Select the appropriate font. First determine the subtype, then check
// the specified font-families for a candidate.
// Resolve font-weight
$weight = $this->__get("font_weight");
if ( is_numeric($weight) ) {
if ( $weight < 700 )
$weight = "normal";
else
$weight = "bold";
} else if ( $weight == "bold" || $weight == "bolder" ) {
$weight = "bold";
} else {
$weight = "normal";
}
// Resolve font-style
$font_style = $this->__get("font_style");
if ( $weight == "bold" && $font_style == "italic" )
$subtype = "bold_italic";
else if ( $weight == "bold" && $font_style != "italic" )
$subtype = "bold";
else if ( $weight != "bold" && $font_style == "italic" )
$subtype = "italic";
else
$subtype = "normal";
// Resolve the font family
$families = explode(",", $this->_props["font_family"]);
reset($families);
$font = null;
while ( current($families) ) {
list(,$family) = each($families);
$font = Font_Metrics::get_font($family, $subtype);
if ( $font )
return $font;
}
throw new DOMPDF_Exception("Unable to find a suitable font replacement for: '" . $this->_props["font_family"] ."'");
}
/**
* Returns the resolved font size, in points
*
* @link http://www.w3.org/TR/CSS21/fonts.html#propdef-font-size
* @return float
*/
function get_font_size() {
if ( $this->__font_size_calculated )
return $this->_props["font_size"];
if ( !isset($this->_props["font_size"]) )
$fs = self::$_defaults["font_size"];
else
$fs = $this->_props["font_size"];
if ( !isset($this->_parent_font_size) )
$this->_parent_font_size = self::$default_font_size;
switch ($fs) {
case "xx-small":
$fs = 3/5 * $this->_parent_font_size;
break;
case "x-small":
$fs = 3/4 * $this->_parent_font_size;
break;
case "smaller":
case "small":
$fs = 8/9 * $this->_parent_font_size;
break;
case "medium":
$fs = $this->_parent_font_size;
break;
case "larger":
case "large":
$fs = 6/5 * $this->_parent_font_size;
break;
case "x-large":
$fs = 3/2 * $this->_parent_font_size;
break;
case "xx-large":
$fs = 2/1 * $this->_parent_font_size;
break;
default:
break;
}
// Ensure relative sizes resolve to something
if ( ($i = mb_strpos($fs, "em")) !== false )
$fs = mb_substr($fs, 0, $i) * $this->_parent_font_size;
else if ( ($i = mb_strpos($fs, "ex")) !== false )
$fs = mb_substr($fs, 0, $i) * $this->_parent_font_size;
else
$fs = $this->length_in_pt($fs);
$this->_props["font_size"] = $fs;
$this->__font_size_calculated = true;
return $this->_props["font_size"];
}
/**
* @link http://www.w3.org/TR/CSS21/text.html#propdef-word-spacing
* @return float
*/
function get_word_spacing() {
if ( $this->_props["word_spacing"] === "normal" )
return 0;
return $this->_props["word_spacing"];
}
/**
* @link http://www.w3.org/TR/CSS21/visudet.html#propdef-line-height
* @return float
*/
function get_line_height() {
if ( $this->_props["line_height"] === "normal" )
return self::$default_line_height * $this->get_font_size();
if ( is_numeric($this->_props["line_height"]) )
return $this->length_in_pt( $this->_props["line_height"] . "%", $this->get_font_size());
return $this->length_in_pt( $this->_props["line_height"], $this->get_font_size() );
}
/**
* Returns the colour as an array
*
* The array has the following format:
* <code>array(r,g,b, "r" => r, "g" => g, "b" => b, "hex" => "#rrggbb")</code>
*
* @link http://www.w3.org/TR/CSS21/colors.html#propdef-color
* @return array
*/
function get_color() {
return $this->munge_color( $this->_props["color"] );
}
/**
* Returns the background colour as an array
*
* The returned array has the same format as {@link Style::get_color()}
*
* @link http://www.w3.org/TR/CSS21/colors.html#propdef-background-color
* @return array
*/
function get_background_color() {
return $this->munge_color( $this->_props["background_color"] );
}
/**
* Returns the background position as an array
*
* The returned array has the following format:
* <code>array(x,y, "x" => x, "y" => y)</code>
*
* @link http://www.w3.org/TR/CSS21/colors.html#propdef-background-position
* @return array
*/
function get_background_position() {
$tmp = explode(" ", $this->_props["background_position"]);
switch ($tmp[0]) {
case "left":
$x = "0%";
break;
case "right":
$x = "100%";
break;
case "top":
$y = "0%";
break;
case "bottom":
$y = "100%";
break;
case "center":
$x = "50%";
$y = "50%";
break;
default:
$x = $tmp[0];
break;
}
if ( isset($tmp[1]) ) {
switch ($tmp[1]) {
case "left":
$x = "0%";
break;
case "right":
$x = "100%";
break;
case "top":
$y = "0%";
break;
case "bottom":
$y = "100%";
break;
case "center":
if ( $tmp[0] == "left" || $tmp[0] == "right" || $tmp[0] == "center" )
$y = "50%";
else
$x = "50%";
break;
default:
$y = $tmp[1];
break;
}
} else {
$y = "50%";
}
if ( !isset($x) )
$x = "0%";
if ( !isset($y) )
$y = "0%";
return array( 0 => $x, "x" => $x,
1 => $y, "y" => $y );
}
/**#@+
* Returns the border colour as an array
*
* See {@link Style::get_color()}
*
* @link http://www.w3.org/TR/CSS21/box.html#border-color-properties
* @return array
*/
function get_border_top_color() {
if ( $this->_props["border_top_color"] === "" )
$this->_props["border_top_color"] = $this->__get("color");
return $this->munge_color($this->_props["border_top_color"]);
}
function get_border_right_color() {
if ( $this->_props["border_right_color"] === "" )
$this->_props["border_right_color"] = $this->__get("color");
return $this->munge_color($this->_props["border_right_color"]);
}
function get_border_bottom_color() {
if ( $this->_props["border_bottom_color"] === "" )
$this->_props["border_bottom_color"] = $this->__get("color");
return $this->munge_color($this->_props["border_bottom_color"]);;
}
function get_border_left_color() {
if ( $this->_props["border_left_color"] === "" )
$this->_props["border_left_color"] = $this->__get("color");
return $this->munge_color($this->_props["border_left_color"]);
}
/**#@-*/
/**#@+
* Returns the border width, as it is currently stored
*
* @link http://www.w3.org/TR/CSS21/box.html#border-width-properties
* @return float|string
*/
function get_border_top_width() {
$style = $this->__get("border_top_style");
return $style !== "none" && $style !== "hidden" ? $this->length_in_pt($this->_props["border_top_width"]) : 0;
}
function get_border_right_width() {
$style = $this->__get("border_right_style");
return $style !== "none" && $style !== "hidden" ? $this->length_in_pt($this->_props["border_right_width"]) : 0;
}
function get_border_bottom_width() {
$style = $this->__get("border_bottom_style");
return $style !== "none" && $style !== "hidden" ? $this->length_in_pt($this->_props["border_bottom_width"]) : 0;
}
function get_border_left_width() {
$style = $this->__get("border_left_style");
return $style !== "none" && $style !== "hidden" ? $this->length_in_pt($this->_props["border_left_width"]) : 0;
}
/**#@-*/
/**
* Return an array of all border properties.
*
* The returned array has the following structure:
* <code>
* array("top" => array("width" => [border-width],
* "style" => [border-style],
* "color" => [border-color (array)]),
* "bottom" ... )
* </code>
*
* @return array
*/
function get_border_properties() {
return array("top" => array("width" => $this->__get("border_top_width"),
"style" => $this->__get("border_top_style"),
"color" => $this->__get("border_top_color")),
"bottom" => array("width" => $this->__get("border_bottom_width"),
"style" => $this->__get("border_bottom_style"),
"color" => $this->__get("border_bottom_color")),
"right" => array("width" => $this->__get("border_right_width"),
"style" => $this->__get("border_right_style"),
"color" => $this->__get("border_right_color")),
"left" => array("width" => $this->__get("border_left_width"),
"style" => $this->__get("border_left_style"),
"color" => $this->__get("border_left_color")));
}
/**
* Return a single border property
*
* @return mixed
*/
protected function _get_border($side) {
$color = $this->__get("border_" . $side . "_color");
return $this->__get("border_" . $side . "_width") . " " .
$this->__get("border_" . $side . "_style") . " " . $color["hex"];
}
/**#@+
* Return full border properties as a string
*
* Border properties are returned just as specified in CSS:
* <pre>[width] [style] [color]</pre>
* e.g. "1px solid blue"
*
* @link http://www.w3.org/TR/CSS21/box.html#border-shorthand-properties
* @return string
*/
function get_border_top() { return $this->_get_border("top"); }
function get_border_right() { return $this->_get_border("right"); }
function get_border_bottom() { return $this->_get_border("bottom"); }
function get_border_left() { return $this->_get_border("left"); }
/**#@-*/
/**
* Returns border spacing as an array
*
* The array has the format (h_space,v_space)
*
* @link http://www.w3.org/TR/CSS21/tables.html#propdef-border-spacing
* @return array
*/
function get_border_spacing() {
return explode(" ", $this->_props["border_spacing"]);
}
/**
* Sets colour
*
* The colour parameter can be any valid CSS colour value
*
* @link http://www.w3.org/TR/CSS21/colors.html#propdef-color
* @param string $colour
*/
function set_color($colour) {
$col = $this->munge_colour($colour);
if ( is_null($col) )
$col = self::$_defaults["color"];
$this->_props["color"] = $col["hex"];
}
/**
* Sets the background colour
*
* @link http://www.w3.org/TR/CSS21/colors.html#propdef-background-color
* @param string $colour
*/
function set_background_color($colour) {
$col = $this->munge_colour($colour);
if ( is_null($col) )
$col = self::$_defaults["background_color"];
$this->_props["background_color"] = is_array($col) ? $col["hex"] : $col;
}
/**
* Set the background image url
*
* @link http://www.w3.org/TR/CSS21/colors.html#background-properties
* @param string $url
*/
function set_background_image($val) {
if ( mb_strpos($val, "url") !== false ) {
$val = preg_replace("/url\(['\"]?([^'\")]+)['\"]?\)/","\\1", trim($val));
} else {
$val = "none";
}
// Resolve the url now in the context of the current stylesheet
$parsed_url = explode_url($val);
if ( $parsed_url["protocol"] == "" && $this->_stylesheet->get_protocol() == "" )
$url = realpath($this->_stylesheet->get_base_path() . $parsed_url["file"]);
else
$url = build_url($this->_stylesheet->get_protocol(),
$this->_stylesheet->get_host(),
$this->_stylesheet->get_base_path(),
$val);
$this->_props["background_image"] = $url;
}
/**
* Sets the font size
*
* $size can be any acceptable CSS size
*
* @link http://www.w3.org/TR/CSS21/fonts.html#propdef-font-size
* @param string|float $size
*/
function set_font_size($size) {
$this->__font_size_calculated = false;
$this->_props["font_size"] = $size;
}
/**#@+
* Sets page break properties
*
* @link http://www.w3.org/TR/CSS21/page.html#page-breaks
* @param string $break
*/
function set_page_break_before($break) {
if ($break === "left" || $break === "right")
$break = "always";
$this->_props["page_break_before"] = $break;
}
function set_page_break_after($break) {
if ($break === "left" || $break === "right")
$break = "always";
$this->_props["page_break_after"] = $break;
}
/**#@-*/
//........................................................................
/**#@+
* Sets the margin size
*
* @link http://www.w3.org/TR/CSS21/box.html#margin-properties
* @param $val
*/
function set_margin_top($val) {
$this->_props["margin_top"] = str_replace("none", "0px", $val);
}
function set_margin_right($val) {
$this->_props["margin_right"] = str_replace("none", "0px", $val);
}
function set_margin_bottom($val) {
$this->_props["margin_bottom"] = str_replace("none", "0px", $val);
}
function set_margin_left($val) {
$this->_props["margin_left"] = str_replace("none", "0px", $val);
}
function set_margin($val) {
$val = str_replace("none", "0px", $val);
$margins = explode(" ", $val);
switch (count($margins)) {
case 1:
$this->_props["margin_top"] = $margins[0];
$this->_props["margin_right"] = $margins[0];
$this->_props["margin_bottom"] = $margins[0];
$this->_props["margin_left"] = $margins[0];
break;
case 2:
$this->_props["margin_top"] = $margins[0];
$this->_props["margin_bottom"] = $margins[0];
$this->_props["margin_right"] = $margins[1];
$this->_props["margin_left"] = $margins[1];
break;
case 3:
$this->_props["margin_top"] = $margins[0];
$this->_props["margin_right"] = $margins[1];
$this->_props["margin_bottom"] = $margins[1];
$this->_props["margin_left"] = $margins[2];
break;
case 4:
$this->_props["margin_top"] = $margins[0];
$this->_props["margin_right"] = $margins[1];
$this->_props["margin_bottom"] = $margins[2];
$this->_props["margin_left"] = $margins[3];
break;
default:
break;
}
$this->_props["margin"] = $val;
}
/**#@-*/
/**#@+
* Sets the padding size
*
* @link http://www.w3.org/TR/CSS21/box.html#padding-properties
* @param $val
*/
function set_padding_top($val) {
$this->_props["padding_top"] = str_replace("none", "0px", $val);
}
function set_padding_right($val) {
$this->_props["padding_right"] = str_replace("none", "0px", $val);
}
function set_padding_bottom($val) {
$this->_props["padding_bottom"] = str_replace("none", "0px", $val);
}
function set_padding_left($val) {
$this->_props["padding_left"] = str_replace("none", "0px", $val);
}
function set_padding($val) {
$val = str_replace("none", "0px", $val);
$paddings = explode(" ", $val);
switch (count($paddings)) {
case 1:
$this->_props["padding_top"] = $paddings[0];
$this->_props["padding_right"] = $paddings[0];
$this->_props["padding_bottom"] = $paddings[0];
$this->_props["padding_left"] = $paddings[0];
break;
case 2:
$this->_props["padding_top"] = $paddings[0];
$this->_props["padding_bottom"] = $paddings[0];
$this->_props["padding_right"] = $paddings[1];
$this->_props["padding_left"] = $paddings[1];
break;
case 3:
$this->_props["padding_top"] = $paddings[0];
$this->_props["padding_right"] = $paddings[1];
$this->_props["padding_bottom"] = $paddings[1];
$this->_props["padding_left"] = $paddings[2];
break;
case 4:
$this->_props["padding_top"] = $paddings[0];
$this->_props["padding_right"] = $paddings[1];
$this->_props["padding_bottom"] = $paddings[2];
$this->_props["padding_left"] = $paddings[3];
break;
default:
break;
}
$this->_props["padding"] = $val;
}
/**#@-*/
/**
* Sets a single border
*
* @param string $side
* @param string $border_spec ([width] [style] [color])
*/
protected function _set_border($side, $border_spec) {
$border_spec = str_replace(",", " ", $border_spec);
$arr = explode(" ", $border_spec);
// FIXME: handle partial values
$p = "border_" . $side;
$p_width = $p . "_width";
$p_style = $p . "_style";
$p_color = $p . "_color";
foreach ($arr as $value) {
$value = trim($value);
if ( in_array($value, self::$BORDER_STYLES) ) {
$this->_props[$p_style] = $value;
} else if ( preg_match("/[.0-9]+(?:px|pt|pc|em|ex|%|in|mm|cm)|(?:none|normal|thin|medium|thick)/", $value ) ) {
$this->_props[$p_width] = str_replace("none", "0px", $value);
} else {
// must be colour
$this->_props[$p_color] = $value;
}
}
$this->_props[$p] = $border_spec;
}
/**#@+
* Sets the border styles
*
* @link http://www.w3.org/TR/CSS21/box.html#border-properties
* @param string $val
*/
function set_border_top($val) { $this->_set_border("top", $val); }
function set_border_right($val) { $this->_set_border("right", $val); }
function set_border_bottom($val) { $this->_set_border("bottom", $val); }
function set_border_left($val) { $this->_set_border("left", $val); }
function set_border($val) {
$this->_set_border("top", $val);
$this->_set_border("right", $val);
$this->_set_border("bottom", $val);
$this->_set_border("left", $val);
$this->_props["border"] = $val;
}
function set_border_width($val) {
$arr = explode(" ", $val);
switch (count($arr)) {
case 1:
$this->_props["border_top_width"] = $arr[0];
$this->_props["border_right_width"] = $arr[0];
$this->_props["border_bottom_width"] = $arr[0];
$this->_props["border_left_width"] = $arr[0];
break;
case 2:
$this->_props["border_top_width"] = $arr[0];
$this->_props["border_bottom_width"] = $arr[0];
$this->_props["border_right_width"] = $arr[1];
$this->_props["border_left_width"] = $arr[1];
break;
case 3:
$this->_props["border_top_width"] = $arr[0];
$this->_props["border_right_width"] = $arr[1];
$this->_props["border_bottom_width"] = $arr[1];
$this->_props["border_left_width"] = $arr[2];
break;
case 4:
$this->_props["border_top_width"] = $arr[0];
$this->_props["border_right_width"] = $arr[1];
$this->_props["border_bottom_width"] = $arr[2];
$this->_props["border_left_width"] = $arr[3];
break;
default:
break;
}
$this->_props["border_width"] = $val;
}
function set_border_color($val) {
$arr = explode(" ", $val);
switch (count($arr)) {
case 1:
$this->_props["border_top_color"] = $arr[0];
$this->_props["border_right_color"] = $arr[0];
$this->_props["border_bottom_color"] = $arr[0];
$this->_props["border_left_color"] = $arr[0];
break;
case 2:
$this->_props["border_top_color"] = $arr[0];
$this->_props["border_bottom_color"] = $arr[0];
$this->_props["border_right_color"] = $arr[1];
$this->_props["border_left_color"] = $arr[1];
break;
case 3:
$this->_props["border_top_color"] = $arr[0];
$this->_props["border_right_color"] = $arr[1];
$this->_props["border_bottom_color"] = $arr[1];
$this->_props["border_left_color"] = $arr[2];
break;
case 4:
$this->_props["border_top_color"] = $arr[0];
$this->_props["border_right_color"] = $arr[1];
$this->_props["border_bottom_color"] = $arr[2];
$this->_props["border_left_color"] = $arr[3];
break;
default:
break;
}
$this->_props["border_color"] = $val;
}
function set_border_style($val) {
$arr = explode(" ", $val);
switch (count($arr)) {
case 1:
$this->_props["border_top_style"] = $arr[0];
$this->_props["border_right_style"] = $arr[0];
$this->_props["border_bottom_style"] = $arr[0];
$this->_props["border_left_style"] = $arr[0];
break;
case 2:
$this->_props["border_top_style"] = $arr[0];
$this->_props["border_bottom_style"] = $arr[0];
$this->_props["border_right_style"] = $arr[1];
$this->_props["border_left_style"] = $arr[1];
break;
case 3:
$this->_props["border_top_style"] = $arr[0];
$this->_props["border_right_style"] = $arr[1];
$this->_props["border_bottom_style"] = $arr[1];
$this->_props["border_left_style"] = $arr[2];
break;
case 4:
$this->_props["border_top_style"] = $arr[0];
$this->_props["border_right_style"] = $arr[1];
$this->_props["border_bottom_style"] = $arr[2];
$this->_props["border_left_style"] = $arr[3];
break;
default:
break;
}
$this->_props["border_style"] = $val;
}
/**#@-*/
/**
* Sets the border spacing
*
* @link http://www.w3.org/TR/CSS21/box.html#border-properties
* @param float $val
*/
function set_border_spacing($val) {
$arr = explode(" ", $val);
if ( count($arr) == 1 )
$arr[1] = $arr[0];
$this->_props["border_spacing"] = $arr[0] . " " . $arr[1];
}
/**
* Sets the list style image
*
* @link http://www.w3.org/TR/CSS21/generate.html#propdef-list-style-image
* @param $val
*/
function set_list_style_image($val) {
// Strip url(' ... ') from url values
if ( mb_strpos($val, "url") !== false ) {
$val = preg_replace("/url\(['\"]?([^'\")]+)['\"]?\)/","\\1", trim($val));
} else {
$val = "none";
}
$this->_props["list_style_image"] = $val;
}
/**
* Sets the list style
*
* This is not currently implemented
*
* @link http://www.w3.org/TR/CSS21/generate.html#propdef-list-style
* @param $val
*/
function set_list_style($val) {
$arr = explode(" ", str_replace(",", " ", $val));
$types = array("disc", "circle", "square", "decimal",
"decimal-leading-zero", "lower-roman",
"upper-roman", "lower-greek", "lower-latin",
"upper-latin", "armenian", "georgian",
"lower-alpha", "upper-alpha", "none");
$positions = array("inside", "outside");
foreach ($arr as $value) {
if ( mb_strpos($value, "url") !== false ) {
$this->set_list_style_image($value);
continue;
}
if ( in_array($value, $types) ) {
$this->_props["list_style_type"] = $value;
} else if ( in_array($value, $positions) ) {
$this->_props["list_style_position"] = $value;
}
}
}
/**
* Generate a string representation of the Style
*
* This dumps the entire property array into a string via print_r. Useful
* for debugging.
*
* @return string
*/
function __toString() {
return print_r(array_merge(array("parent_font_size" => $this->_parent_font_size),
$this->_props), true);
}
}
?>