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/**
* Copyright (c) 2014 CEA LIST.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* CEA LIST - Initial API and implementation
*/
package org.eclipse.papyrus.dd.dg;
import java.util.Map;
import org.eclipse.emf.common.util.DiagnosticChain;
import org.eclipse.papyrus.dd.dc.Point;
/**
* <!-- begin-user-doc --> A representation of the model object ' <em><b>Linear Gradient</b></em>'. <!-- end-user-doc -->
*
* <!-- begin-model-doc -->
* LinearGradient is a kind of gradient that fills a graphical element by smoothly changing color values along a vector.
* <!-- end-model-doc -->
*
* <p>
* The following features are supported:
* <ul>
* <li>{@link org.eclipse.papyrus.dd.dg.LinearGradient#getStart <em>Start</em>}</li>
* <li>{@link org.eclipse.papyrus.dd.dg.LinearGradient#getEnd <em>End</em>}</li>
* </ul>
* </p>
*
* @see org.eclipse.papyrus.dd.dg.DGPackage#getLinearGradient()
* @model
* @generated
*/
public interface LinearGradient extends Gradient {
/**
* Returns the value of the '<em><b>Start</b></em>' containment reference.
* <!-- begin-user-doc --> <!-- end-user-doc --> <!-- begin-model-doc --> a
* starting point for the linear gradient expressed as a percentage along
* the x and y axes. <!-- end-model-doc -->
*
* @return the value of the '<em>Start</em>' containment reference.
* @see #setStart(Point)
* @see org.eclipse.papyrus.dd.dg.DGPackage#getLinearGradient_Start()
* @model containment="true" required="true" ordered="false"
* @generated
*/
Point getStart();
/**
* Sets the value of the '{@link org.eclipse.papyrus.dd.dg.LinearGradient#getStart <em>Start</em>}' containment reference.
* <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @param value
* the new value of the '<em>Start</em>' containment reference.
* @see #getStart()
* @generated
*/
void setStart(Point value);
/**
* Returns the value of the '<em><b>End</b></em>' containment reference.
* <!-- begin-user-doc --> <!-- end-user-doc --> <!-- begin-model-doc --> an
* ending point for the linear gradient expressed as a percentage along the
* x and y axes. <!-- end-model-doc -->
*
* @return the value of the '<em>End</em>' containment reference.
* @see #setEnd(Point)
* @see org.eclipse.papyrus.dd.dg.DGPackage#getLinearGradient_End()
* @model containment="true" required="true" ordered="false"
* @generated
*/
Point getEnd();
/**
* Sets the value of the '{@link org.eclipse.papyrus.dd.dg.LinearGradient#getEnd <em>End</em>}' containment reference.
* <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @param value
* the new value of the '<em>End</em>' containment reference.
* @see #getEnd()
* @generated
*/
void setEnd(Point value);
/**
* <!-- begin-user-doc --> <!-- end-user-doc --> <!-- begin-model-doc -->
* all the components of the gradient vector must be between 0 and 1.
*
* @param diagnostics
* The chain of diagnostics to which problems are to be appended.
* @param context
* The cache of context-specific information. <!-- end-model-doc
* -->
* @model annotation=
* "http://www.eclipse.org/emf/2002/Ecore/OCL body='start.x>=0 and start.x<=1 and end.x>=0 and end.x<=1 and start.y>=0 and start.y<=1 and end.y>=0 and end.y<=1'"
* @generated
*/
boolean validGradientVector(DiagnosticChain diagnostics, Map<Object, Object> context);
} // LinearGradient
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