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CSS::DOM::Value::PrimiUser(Contributed Perl DocumCSS::DOM::Value::Primitive(3)

NAME
       CSS::DOM::Value::Primitive - CSSPrimitiveValue class for CSS::DOM

VERSION
       Version 0.14

SYNOPSIS
	 # ...

DESCRIPTION
       This module implements objects that represent CSS primitive property
       values (as opposed to lists). It implements the DOM CSSPrimitiveValue,
       Rect, and RGBColor interfaces.

METHODS
       If you need the constructor, it's below the object methods. Normally
       you would get an object via CSS::DOM::Style's "getPropertyCSSValue"
       method.

   CSSValue Interface
       cssText
	   Returns a string representation of the attribute. Pass an argument
	   to set it.

       cssValueType
	   Returns "CSS::DOM::Value::CSS_PRIMITIVE_VALUE".

   CSSPrimitiveValue Interface
       primitiveType
	   Returns one of the "CONSTANTS" listed below.

       getFloatValue
	   Returns a number if the value is numeric.

       The rest have still to be implemented.

   Rect Interface
       The four methods "top", "right", "bottom" and "left" each return
       another value object representing the individual value.

   RGBColor Interface
       The four methods "red", "green", "blue" and "alpha" each return another
       value object representing the individual value.

   Constructor
       You probably don't need to call this, but here it is anyway:

	 $val = new CSS::DOM::Value::Primitive:: %args;

       The hash-style arguments are as follows. Only "type" and "value" are
       required.

       type
	   One of the constants listed below under "CONSTANTS"

       value
	   The data stored inside the value object. The format expected
	   depends on the type. See below.

       css CSS code used for serialisation. This will make reading "cssText"
	   faster at least until the value is modified.

       owner
	   The style object that owns this value; if this is omitted, then the
	   value is read-only. The value object holds a weak reference to the
	   owner.

       property
	   The name of the CSS property to which this value belongs. "cssText"
	   uses this to determine how to parse text passed to it. This does
	   not apply to the sub-values of colours, counters and rects, but it
	   does apply to individual elements of a list value.

       index
	   The index of this value within a list value (only applies to
	   elements of a list, of course).

       format
	   This is used by sub-values of colours and rects. It determines how
	   assignment to "cssText" is handled. This uses the same syntax as
	   the formats in CSS::DOM::PropertyParser.

       Here are the formats for the "value" argument, which depend on the
       type:

       CSS_UNKNOWN
	   A string of CSS code.

       CSS_NUMBER, CSS_PERCENTAGE
	   A simple scalar containing a number.

       Standard Dimensions
	   Also a simple scalar containing a number.

	   This applies to "CSS_EMS", "CSS_EXS", "CSS_PX", "CSS_CM", "CSS_MM",
	   "CSS_IN", "CSS_PT", "CSS_PC", "CSS_DEG", "CSS_RAD", "CSS_GRAD",
	   "CSS_MS", "CSS_S", "CSS_HZ" and "CSS_KHZ".

       CSS_DIMENSION
	   An array ref: "[$number, $unit_text]"

       CSS_STRING
	   A simple scalar containing a string (not a CSS string literal;
	   i.e., no quotes or escapes).

       CSS_URI
	   The URL (not a CSS literal)

       CSS_IDENT
	   A string (no escapes)

       CSS_ATTR
	   A string containing the name of the attribute.

       CSS_COUNTER
	   An array ref: "[$name, $separator, $style]"

	   $separator and $style may each be "undef". If $separator is
	   "undef", the object represents a "counter(...)". Otherwise it
	   represents "counters(...)".

       CSS_RECT
	   An array ref: "[$top, $right, $bottom, $left]"

	   The four elements are either CSSValue objects or array refs of
	   arguments to be passed to the constructor. E.g.:

	    [
		[type => CSS_PX, value => 20],
		[type => CSS_PERCENTAGE, value => 50],
		[type => CSS_PERCENTAGE, value => 50],
		[type => CSS_PX, value => 50],
	    ]

	   When these array refs are converted to objects, the "format"
	   argument is supplied automatically, so you do not need to include
	   it here.

       CSS_RGBCOLOR
	   A string beginning with '#', with no escapes (such as '#fff' or
	   '#c0ffee'), a colour name (like red) or an array ref with three to
	   four elements:

	    [$r, $g, $b]
	    [$r, $g, $b, $alpha]

	   The elements are either CSSValue objects or array refs of argument
	   lists, as with "CSS_RECT".

CONSTANTS
       The following constants can be imported with "use
       CSS::DOM::Value::Primitive ':all'".  They represent the type of
       primitive value.

       CSS_UNKNOWN
       CSS_NUMBER
       CSS_PERCENTAGE
       CSS_EMS
       CSS_EXS
       CSS_PX
       CSS_CM
       CSS_MM
       CSS_IN
       CSS_PT
       CSS_PC
       CSS_DEG
       CSS_RAD
       CSS_GRAD
       CSS_MS
       CSS_S
       CSS_HZ
       CSS_KHZ
       CSS_DIMENSION
       CSS_STRING
       CSS_URI
       CSS_IDENT
       CSS_ATTR
       CSS_COUNTER
       CSS_RECT
       CSS_RGBCOLOR

SEE ALSO
       CSS::DOM

       CSS::DOM::Value

       CSS::DOM::Value::List

       CSS::DOM::Style

perl v5.14.1			  2010-12-10	 CSS::DOM::Value::Primitive(3)
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