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  /*
   * Copyright 2012 Google Inc.
   * 
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not
   * use this file except in compliance with the License. You may obtain a copy of
   * the License at
   * 
   * http://www.apache.org/licenses/LICENSE-2.0
   * 
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  * License for the specific language governing permissions and limitations under
  * the License.
  */
 package elemental.svg;
 
 
 import java.util.Date;

The SVGLength interface correspond to the <length> basic data type.

An SVGLength object can be designated as read only, which means that attempts to modify the object will result in an exception being thrown.

 
 public interface SVGLength {

  
A value was specified using the cm units defined in CSS2.
 
 
     static final int SVG_LENGTHTYPE_CM = 6;

  
A value was specified using the em units defined in CSS2.
 
 
     static final int SVG_LENGTHTYPE_EMS = 3;

  
A value was specified using the ex units defined in CSS2.
 
 
     static final int SVG_LENGTHTYPE_EXS = 4;

  
A value was specified using the in units defined in CSS2.
 
 
     static final int SVG_LENGTHTYPE_IN = 8;

  
A value was specified using the mm units defined in CSS2.
 
 
     static final int SVG_LENGTHTYPE_MM = 7;

  
No unit type was provided (i.e., a unitless value was specified), which indicates a value in user units.
 
 
     static final int SVG_LENGTHTYPE_NUMBER = 1;

  
A value was specified using the pc units defined in CSS2.
 
 
     static final int SVG_LENGTHTYPE_PC = 10;

  
A percentage value was specified.
 
 
     static final int SVG_LENGTHTYPE_PERCENTAGE = 2;

  
A value was specified using the pt units defined in CSS2.
 
 
     static final int SVG_LENGTHTYPE_PT = 9;

  
A value was specified using the px units defined in CSS2.
 
 
     static final int SVG_LENGTHTYPE_PX = 5;

  
The unit type is not one of predefined unit types. It is invalid to attempt to define a new value of this type or to attempt to switch an existing value to this type.
 
 
     static final int SVG_LENGTHTYPE_UNKNOWN = 0;


  
The type of the value as specified by one of the SVG_LENGTHTYPE_* constants defined on this interface.
  int getUnitType();


  

The value as a floating point value, in user units. Setting this attribute will cause valueInSpecifiedUnits and valueAsString to be updated automatically to reflect this setting.

Exceptions on setting: a DOMException with code NO_MODIFICATION_ALLOWED_ERR is raised when the length corresponds to a read only attribute or when the object itself is read only.

  float getValue();
  void setValue(float arg);


  

The value as a string value, in the units expressed by unitType. Setting this attribute will cause value, valueInSpecifiedUnits and unitType to be updated automatically to reflect this setting.

Exceptions on setting:

  • a DOMException with code SYNTAX_ERR is raised if the assigned string cannot be parsed as a valid <length>.
  • a DOMException with code NO_MODIFICATION_ALLOWED_ERR is raised when the length corresponds to a read only attribute or when the object itself is read only.
  void setValueAsString(String arg);


  

The value as a floating point value, in the units expressed by unitType. Setting this attribute will cause value and valueAsString to be updated automatically to reflect this setting.

Exceptions on setting: a DOMException with code NO_MODIFICATION_ALLOWED_ERR is raised when the length corresponds to a read only attribute or when the object itself is read only.

  void setValueInSpecifiedUnits(float arg);


  
Preserve the same underlying stored value, but reset the stored unit identifier to the given unitType. Object attributes unitType, valueInSpecifiedUnits and valueAsString might be modified as a result of this method. For example, if the original value were "0.5cm" and the method was invoked to convert to millimeters, then the unitType would be changed to SVG_LENGTHTYPE_MM, valueInSpecifiedUnits would be changed to the numeric value 5 and valueAsString would be changed to "5mm".
  void convertToSpecifiedUnits(int unitType);


  

Reset the value as a number with an associated unitType, thereby replacing the values for all of the attributes on the object.

Exceptions:

  • a DOMException with code NOT_SUPPORTED_ERR is raised if unitType is SVG_LENGTHTYPE_UNKNOWN or not a valid unit type constant (one of the other SVG_LENGTHTYPE_* constants defined on this interface).
  • a DOMException with code NO_MODIFICATION_ALLOWED_ERR is raised when the length corresponds to a read only attribute or when the object itself is read only.
  void newValueSpecifiedUnits(int unitTypefloat valueInSpecifiedUnits);
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