Package com.google.common.css.compiler.gssfunctions

Class GssFunctions.BaseBlendColors

java.lang.Object

com.google.common.css.compiler.gssfunctions.GssFunctions.BaseBlendColors

All Implemented Interfaces:

GssFunction

Direct Known Subclasses:

GssFunctions.BlendColorsHsb, GssFunctions.BlendColorsRgb

Enclosing class:

GssFunctions

public abstract static class GssFunctions.BaseBlendColors
extends Object
implements GssFunction

Base implementation of the color blending GSS function. Returns a color half way between the two colors supplied as arguments.

Constructor Summary

Constructors

Constructor	Description
BaseBlendColors()

Method Summary

Modifier and Type	Method	Description
abstract String	blend(String startColor, String endColor)
List<CssValueNode>	getCallResultNodes(List<CssValueNode> args, ErrorManager errorManager)	Returns the string representation in hex format for a color half way in between the two supplied colors.
String	getCallResultString(List<String> args)	Processes a list of strings as function arguments and returns a string result.
Integer	getNumExpectedArguments()	Returns the number of expected arguments of this GSS function.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

BaseBlendColors

public BaseBlendColors()

Method Details

getNumExpectedArguments

public Integer getNumExpectedArguments()

Returns the number of expected arguments of this GSS function.

Specified by:

getNumExpectedArguments in interface GssFunction

Returns:

Number of expected arguments

getCallResultNodes

public List<CssValueNode> getCallResultNodes(List<CssValueNode> args,
 ErrorManager errorManager)

Returns the string representation in hex format for a color half way in between the two supplied colors.

Specified by:

getCallResultNodes in interface GssFunction

Parameters:

args - The list of arguments

Returns:

The computed color

getCallResultString

public String getCallResultString(List<String> args)
                           throws GssFunctionException

Description copied from interface: GssFunction

Processes a list of strings as function arguments and returns a string result. Errors are reported by throwing GssFunctionException.

Specified by:

getCallResultString in interface GssFunction

Throws:

GssFunctionException

blend

public abstract String blend(String startColor,
 String endColor)