Class: I2CE FontMetricMultiDirection: Difference between revisions

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This article desrcibes the class '''I2CE_FontMetricMultiDirection''' which extends the class [[Class: I2CE_FontMetric | I2CE_FontMetric]]
#REDIRECT [[Class: I2CE_FontMetricMultiDirection (4.1.12)]]
It is contained in the module [[iHRIS Module List#textlayout|textlayout]] in the package [https://launchpad.net/textlayout TextLayout Tools]
 
The class is defined in the file: [http://bazaar.launchpad.net/~intrahealth+informatics/textlayout/4.0.0-release/annotate/head:/lib/I2CE_FontMetricMultiDirection.php lib/I2CE_FontMetricMultiDirection.php]
 
Class to contain information about  font metrics.
Setup to handle multiple directions.
@subpackage TextLayout
*Author: Carl Leitner <litlfred@ibiblio.org>
==Variables==
===$font_metrics===
protecteed @var array of I2CE_FontMetric $font_metrics
contains the fonr metrics that are global or for  user defined directions
*Type: protected $font_metrics
 
===$direction===
*Type: protected $direction
 
===$directions===
*Type: protected $directions
 
==Methods==
===__construct()===
The constructor
@params array $directions of mixed the directions.  the value -1 is reserved for global information
array has a default value of  0 (horizontal) and 1 (vertical).  Sets the direction to be $directions[0]
needs to be one that is a valid encoding for PHP multibyte strings.
*Signature: public function __construct($directions,$encoding)
Parameters:
*$directions
* [[Class: I2CE_Encoding | I2CE_Encoding]] $encoding<br/>the encoding used for the internal storage of strings/characters
===getAllFontCharacteristics()===
Get all the font information
*Signature: public function getAllFontCharacteristics()
===getAscender()===
get the asceneder value
*Signature: public function getAscender()
*Returns: [http://www.php.net/manual/en/language.pseudo-types.php numeric] $ascender
*
===getBoundingBox()===
Get the bounding box
$returns array $bbox of numeric. The bounding box in llx lly urx ury order
*Signature: public function getBoundingBox()
===getCharacterHeight()===
Gets the character height of a character
@param bool use_font_size default false --
*Signature: public function getCharacterHeight($ch,$use_font_size)
*Returns: [http://www.php.net/manual/en/language.types.float.php float] the width
Parameters:
* [http://www.php.net/manual/en/language.pseudo-types.php mixed] $ch<br/>a character
*$use_font_size
**Default Value: false
===getCharacterHeights()===
Get the character heights
*Signature: public function getCharacterHeights()
*Returns: [http://www.php.net/manual/en/language.types.array.php array] of number, the values of which are the heights
and the keys of which are some combination of
glpyh names, character codes, and unicodes codepoints, or characters
===getCharacterInfo()===
Get information associated to  a character
*Signature: public function getCharacterInfo($ch,$key)
*Returns: [http://www.php.net/manual/en/language.pseudo-types.php mixed] $value
Parameters:
* [http://www.php.net/manual/en/language.pseudo-types.php mixed] $ch<br/>a character (or glyphname)
* [http://www.php.net/manual/en/language.pseudo-types.php mixed] $key
===getCharacterWidth()===
Gets the character width of a character
@param bool use_font_size default false --
*Signature: public function getCharacterWidth($ch,$use_font_size)
*Returns: [http://www.php.net/manual/en/language.types.float.php float] the width
Parameters:
* [http://www.php.net/manual/en/language.pseudo-types.php mixed] $ch<br/>a character
*$use_font_size
**Default Value: false
===getCharacterWidths()===
Get the character widths
*Signature: public function getCharacterWidths()
*Returns: [http://www.php.net/manual/en/language.types.array.php array] of number, the values of which are the widths
and the keys of which are some combination of
glpyh names, character codes, and unicodes codepoints, or characters
===getDescender()===
get the desceneder value
*Signature: public function getDescender()
*Returns: [http://www.php.net/manual/en/language.pseudo-types.php numeric] $descender
*
===getDirection()===
Function to get the font direction
*Signature: public function getDirection()
*Returns: [http://www.php.net/manual/en/language.pseudo-types.php mixed]
===getDirections()===
Function to get the possible directions
*Signature: public function getDirections($add_global)
*Returns: [http://www.php.net/manual/en/language.types.array.php array] of mixed -- the directions
Parameters:
* boolena $add_global<br/>(defaults to false) whether or not to include the global direction, -1
**Default Value: false
===getEncoding()===
Get the encoding information for the font. This is global info
*Signature: public function getEncoding()
*Returns: [[Class: I2CE_Encoding | I2CE_Encoding]]
===getFixedStringWidth()===
Function caluclulate the length of a fixed width string
@param bool use_font_size default false --
*Signature: protected function getFixedStringWidth($string,$use_font_size)
*Returns: [http://www.php.net/manual/en/language.types.float.php float] the length of the string
Parameters:
* [http://www.php.net/manual/en/language.types.string.php string] $string<br/>the string we wish to calculate the length of
*$use_font_size
**Default Value: false
===getFixedWidth()===
Get the width of a character in a fixed width font (for the current direction)
*Signature: public function getFixedWidth()
*Returns: number Returns null if called when the current font is not fixed width
===getFontCharacteristic()===
Get a global font characteristic
@param $key
*Signature: public function getFontCharacteristic($key)
*Returns: [http://www.php.net/manual/en/language.pseudo-types.php mixed]  the value associated to the $key
Parameters:
*$key
===getFontSize()===
Get the font size.  This is global info.
*Signature: public function getFontSize()
*Returns: [http://www.php.net/manual/en/language.types.integer.php int]
===getKerningByGroup()===
get the kerning values associated to a pair of groups
@param bool use_font_size default false --
*Signature: public function getKerningByGroup($g1,$g2,$use_font_size)
*Returns: [http://www.php.net/manual/en/language.pseudo-types.php numeric] $kern  the kerning value or null if none found
Parameters:
* [http://www.php.net/manual/en/language.pseudo-types.php mixed] $g1<br/>the preceeding group
* [http://www.php.net/manual/en/language.pseudo-types.php mixed] $g2<br/>the following group
*$use_font_size
**Default Value: false
===getKerningByPair()===
get the kerning values associated to a pair of character
@param bool use_font_size default false --
*Signature: public function getKerningByPair($ch1,$ch2,$use_font_size)
*Returns: [http://www.php.net/manual/en/language.pseudo-types.php numeric] the kerning value or null if there is none found
Parameters:
* [http://www.php.net/manual/en/language.pseudo-types.php mixed] $ch1<br/>the preceeding character
* [http://www.php.net/manual/en/language.pseudo-types.php mixed] $ch2<br/>the following character
*$use_font_size
**Default Value: false
===getKerningGroup()===
Get the kerning groups associated to a character
*Signature: public function getKerningGroup($ch)
*Returns: [http://www.php.net/manual/en/language.pseudo-types.php mixed] the group
Parameters:
* [http://www.php.net/manual/en/language.pseudo-types.php mixed] $ch<br/>the character
===getKerningValue()===
Return the (horizontal) kerning values for a pair of characters
@params string $ch1 the left characcter
@params string $ch2 the right character
@param bool use_font_size default false --
*Signature: public function getKerningValue($ch1,$ch2,$use_font_size)
*Returns: [http://www.php.net/manual/en/language.types.float.php float] the kerning value or null if none is found
Parameters:
*$ch1
*$ch2
*$use_font_size
**Default Value: false
===getLinegap()===
get the line gap value
*Signature: public function getLinegap()
*Returns: [http://www.php.net/manual/en/language.pseudo-types.php numeric] $linegap
*
===getStringWidth()===
Caluclulate the length of a string
@param bool use_font_size default false --
*Signature: public function getStringWidth($string,$use_font_size)
*Returns: float/int the length of the string
Parameters:
* [http://www.php.net/manual/en/language.types.string.php string] $string<br/>the string we wish to calculate the length of
*$use_font_size
**Default Value: false
===getTrackingValues()===
Get the tracking values for the current font size
*Signature: public function getTrackingValues()
*Returns: [http://www.php.net/manual/en/language.types.array.php array] $values of floats.  $values[0] is the minimum, $values[1] is the maximum or null if
if there is no tracking values
===getVariableStringWidth()===
Function caluclulate the length of a variable width string
@param bool use_font_size default false --
*Signature: protected function getVariableStringWidth($string,$use_font_size)
*Returns: [http://www.php.net/manual/en/language.types.float.php float] the length of the string
Parameters:
* [http://www.php.net/manual/en/language.types.string.php string] $string<br/>the string we wish to calculate the length of
*$use_font_size
**Default Value: false
===isFixedWidth()===
Check to see if the current font is fixed width
*Signature: public function isFixedWidth()
*Returns: [http://www.php.net/manual/en/language.types.boolean.php boolean] true if it is fixed width
===setAscender()===
set the asceneder value
*
*Signature: public function setAscender($ascender)
Parameters:
* [http://www.php.net/manual/en/language.pseudo-types.php numeric] $ascender
===setBoundingBox()===
Set the bounding box
$param array $bbox of numeric. The bounding box in llx lly urx ury order
*Signature: public function setBoundingBox($bbox)
Parameters:
*$bbox
===setCharacterHeight()===
Sets the character height of a character
*Signature: public function setCharacterHeight($ch,$h)
Parameters:
* [http://www.php.net/manual/en/language.pseudo-types.php mixed] $ch<br/>a character
* [http://www.php.net/manual/en/language.types.float.php float] $h<br/>height
===setCharacterInfo()===
Sets information associated to  a character
*Signature: public function setCharacterInfo($ch,$key,$value)
Parameters:
* [http://www.php.net/manual/en/language.pseudo-types.php mixed] $ch<br/>a character (or glyphname)
* [http://www.php.net/manual/en/language.pseudo-types.php mixed] $key
* [http://www.php.net/manual/en/language.pseudo-types.php mixed] $value
===setCharacterWidth()===
Sets the character width of a character
*Signature: public function setCharacterWidth($ch,$w)
Parameters:
* [http://www.php.net/manual/en/language.pseudo-types.php mixed] $ch<br/>a character
* [http://www.php.net/manual/en/language.types.float.php float] $w<br/>the width
===setDescender()===
set the desceneder value
*
*Signature: public function setDescender($descender)
Parameters:
* [http://www.php.net/manual/en/language.pseudo-types.php numeric] $descender
===setDirection()===
Function to set the font direction
@params mixed $direction. -1 is global information, all other values are
user defined directions.
*Signature: public function setDirection($direction)
Parameters:
*$direction
===setFixedHeightSize()===
set the fixed height character size
*Signature: public function setFixedHeightSize($height)
Parameters:
* [http://www.php.net/manual/en/language.pseudo-types.php numeric] $height<br/>the height
===setFixedWidth()===
Set whether or not this is a fixed width font
@parma boolean $is_fixed_width
*Signature: public function setFixedWidth($is_fixed_width)
Parameters:
*$is_fixed_width
===setFixedWidthSize()===
set the fixed width character size
*Signature: public function setFixedWidthSize($width)
Parameters:
* [http://www.php.net/manual/en/language.pseudo-types.php numeric] $width<br/>the width
===setFontCharacteristic()===
Set a  font characteristic
*Signature: public function setFontCharacteristic($key,$value)
Parameters:
* [http://www.php.net/manual/en/language.types.string.php string] $key
* [http://www.php.net/manual/en/language.pseudo-types.php mixed] $value
===setFontSize()===
Set the font size.  This is global info.
@params int $size
*Signature: public function setFontSize($size)
Parameters:
*$size
===setGlobal()===
Specify that we are working with global font metric
information, e.g. glpyhnames, font size, etc.
*Signature: public function setGlobal()
===setKerningByGroup()===
set the kerning values associated to a pair of groups
@params numeric $kern  the kerning value
*Signature: public function setKerningByGroup($g1,$g2,$kern)
Parameters:
* [http://www.php.net/manual/en/language.pseudo-types.php mixed] $g1<br/>the preceeding group
* [http://www.php.net/manual/en/language.pseudo-types.php mixed] $g2<br/>the following group
*$kern
===setKerningByPair()===
set the kerning values associated to a pair of character
@params numeric $kern  the kerning value
*Signature: public function setKerningByPair($ch1,$ch2,$kern)
Parameters:
* [http://www.php.net/manual/en/language.pseudo-types.php mixed] $ch1<br/>the preceeding character
* [http://www.php.net/manual/en/language.pseudo-types.php mixed] $ch2<br/>the following character
*$kern
===setKerningGroup()===
Set the kerning groups associated to a character
*Signature: public function setKerningGroup($ch,$group)
Parameters:
* [http://www.php.net/manual/en/language.pseudo-types.php mixed] $ch<br/>the character
* [http://www.php.net/manual/en/language.pseudo-types.php mixed] $group<br/>the group
===setLinegap()===
set the line gap value
*
*Signature: public function setLinegap($linegap)
Parameters:
* [http://www.php.net/manual/en/language.pseudo-types.php numeric] $linegap
==Inherited Variables==
===$character_widths===
Theis public variable is inherited from [[Class: I2CE_FontMetric#$character_widths | I2CE_FontMetric->$character_widths]]
 
===$character_heights===
Theis public variable is inherited from [[Class: I2CE_FontMetric#$character_heights | I2CE_FontMetric->$character_heights]]
 
===$character_info===
Theis public variable is inherited from [[Class: I2CE_FontMetric#$character_info | I2CE_FontMetric->$character_info]]
 
===$bbox===
Theis protected variable is inherited from [[Class: I2CE_FontMetric#$bbox | I2CE_FontMetric->$bbox]]
 
===$ascender===
Theis protected variable is inherited from [[Class: I2CE_FontMetric#$ascender | I2CE_FontMetric->$ascender]]
 
===$descender===
Theis protected variable is inherited from [[Class: I2CE_FontMetric#$descender | I2CE_FontMetric->$descender]]
 
===$linegap===
Theis protected variable is inherited from [[Class: I2CE_FontMetric#$linegap | I2CE_FontMetric->$linegap]]
 
===$is_fixed_width===
Theis protected variable is inherited from [[Class: I2CE_FontMetric#$is_fixed_width | I2CE_FontMetric->$is_fixed_width]]
 
===$fixed_character_width===
Theis protected variable is inherited from [[Class: I2CE_FontMetric#$fixed_character_width | I2CE_FontMetric->$fixed_character_width]]
 
===$fixed_character_height===
Theis protected variable is inherited from [[Class: I2CE_FontMetric#$fixed_character_height | I2CE_FontMetric->$fixed_character_height]]
 
===$size===
Theis protected variable is inherited from [[Class: I2CE_FontMetric#$size | I2CE_FontMetric->$size]]
 
===$encoding===
Theis protected variable is inherited from [[Class: I2CE_FontMetric#$encoding | I2CE_FontMetric->$encoding]]
 
===$kerning_table_pairs===
Theis protected variable is inherited from [[Class: I2CE_FontMetric#$kerning_table_pairs | I2CE_FontMetric->$kerning_table_pairs]]
 
===$kerning_table_groups===
Theis protected variable is inherited from [[Class: I2CE_FontMetric#$kerning_table_groups | I2CE_FontMetric->$kerning_table_groups]]
 
===$kerning_groups===
Theis protected variable is inherited from [[Class: I2CE_FontMetric#$kerning_groups | I2CE_FontMetric->$kerning_groups]]
 
===$font_info===
Theis protected variable is inherited from [[Class: I2CE_FontMetric#$font_info | I2CE_FontMetric->$font_info]]
 
 
[[Category:Class Documentation]]

Latest revision as of 10:43, 18 August 2015