/*
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.flex.compiler.internal.fxg.dom.strokes;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import static org.apache.flex.compiler.fxg.FXGConstants.*;
import org.apache.flex.compiler.fxg.dom.IFXGNode;
import org.apache.flex.compiler.fxg.logging.FXGLog;
import org.apache.flex.compiler.fxg.logging.IFXGLogger;
import org.apache.flex.compiler.internal.fxg.dom.DOMParserHelper;
import org.apache.flex.compiler.internal.fxg.dom.GradientEntryNode;
import org.apache.flex.compiler.internal.fxg.dom.IScalableGradientNode;
import org.apache.flex.compiler.internal.fxg.dom.transforms.MatrixNode;
import org.apache.flex.compiler.internal.fxg.dom.types.InterpolationMethod;
import org.apache.flex.compiler.internal.fxg.dom.types.SpreadMethod;
import org.apache.flex.compiler.problems.FXGInvalidChildMatrixNodeProblem;
import org.apache.flex.compiler.problems.ICompilerProblem;
public class RadialGradientStrokeNode extends AbstractStrokeNode implements IScalableGradientNode
{
private static final double FOCAL_MIN_INCLUSIVE = -1.0;
private static final double FOCAL_MAX_INCLUSIVE = 1.0;
//--------------------------------------------------------------------------
//
// Attributes
//
//--------------------------------------------------------------------------
public double x = Double.NaN;
public double y = Double.NaN;
public double scaleX = Double.NaN;
public double scaleY = Double.NaN;
public double rotation = 0.0;
public SpreadMethod spreadMethod = SpreadMethod.PAD;
public InterpolationMethod interpolationMethod = InterpolationMethod.RGB;
public double focalPointRatio = 0.0;
private boolean translateSet;
private boolean scaleSet;
private boolean rotationSet;
//--------------------------------------------------------------------------
//
// Children
//
//--------------------------------------------------------------------------
public MatrixNode matrix;
public List<GradientEntryNode> entries;
@Override
public List<IFXGNode> getChildren()
{
List<IFXGNode> children = new ArrayList<IFXGNode>();
children.addAll(super.getChildren());
children.add(matrix);
if(entries != null)
children.addAll(entries);
return children;
}
//--------------------------------------------------------------------------
//
// IScalableGradientNode Implementation
//
//--------------------------------------------------------------------------
@Override
public double getX()
{
return x;
}
@Override
public double getY()
{
return y;
}
@Override
public double getScaleX()
{
return scaleX;
}
@Override
public double getScaleY()
{
return scaleY;
}
@Override
public double getRotation()
{
return rotation;
}
@Override
public MatrixNode getMatrixNode()
{
return matrix;
}
@Override
public boolean isLinear()
{
return false;
}
//--------------------------------------------------------------------------
//
// IFXGNode Implementation
//
//--------------------------------------------------------------------------
@Override
public void addChild(IFXGNode child, Collection<ICompilerProblem> problems)
{
if (child instanceof MatrixNode)
{
if (translateSet || scaleSet || rotationSet)
{
//Cannot supply a matrix child if transformation attributes were provided.
problems.add(new FXGInvalidChildMatrixNodeProblem(getDocumentPath(), child.getStartLine(), child.getStartColumn()));
return;
}
matrix = (MatrixNode)child;
}
else if (child instanceof GradientEntryNode)
{
if (entries == null)
{
entries = new ArrayList<GradientEntryNode>(4);
}
else if (entries.size() >= GRADIENT_ENTRIES_MAX_INCLUSIVE)
{
//Log warning:A RadialGradientStroke cannot define more than 15 GradientEntry elements - extra elements ignored
FXGLog.getLogger().log(IFXGLogger.WARN, "InvalidRadialGradientStrokeNumElements", null, getDocumentPath(), startLine, startColumn);
return;
}
entries.add((GradientEntryNode)child);
}
else
{
super.addChild(child, problems);
}
}
/**
* @return The unqualified name of a RadialGradientStroke node, without tag
* markup.
*/
@Override
public String getNodeName()
{
return FXG_RADIALGRADIENTSTROKE_ELEMENT;
}
@Override
public void setAttribute(String name, String value, Collection<ICompilerProblem> problems)
{
if (FXG_X_ATTRIBUTE.equals(name))
{
x = DOMParserHelper.parseDouble(this, value, name, x, problems);
translateSet = true;
}
else if (FXG_Y_ATTRIBUTE.equals(name))
{
y = DOMParserHelper.parseDouble(this, value, name, y, problems);
translateSet = true;
}
else if (FXG_ROTATION_ATTRIBUTE.equals(name))
{
rotation = DOMParserHelper.parseDouble(this, value, name, rotation, problems);
rotationSet = true;
}
else if (FXG_SCALEX_ATTRIBUTE.equals(name))
{
scaleX = DOMParserHelper.parseDouble(this, value, name, scaleX, problems);
scaleSet = true;
}
else if (FXG_SCALEY_ATTRIBUTE.equals(name))
{
scaleY = DOMParserHelper.parseDouble(this, value, name, scaleY, problems);
scaleSet = true;
}
else if (FXG_SPREADMETHOD_ATTRIBUTE.equals(name))
{
spreadMethod = DOMParserHelper.parseSpreadMethod(this, value, spreadMethod, problems);
}
else if (FXG_INTERPOLATIONMETHOD_ATTRIBUTE.equals(name))
{
interpolationMethod = DOMParserHelper.parseInterpolationMethod(this, value, interpolationMethod, problems);
}
else if (FXG_FOCALPOINTRATIO_ATTRIBUTE.equals(name))
{
focalPointRatio = DOMParserHelper.parseDouble(this, value, name, FOCAL_MIN_INCLUSIVE, FOCAL_MAX_INCLUSIVE, focalPointRatio, problems);
}
else
{
super.setAttribute(name, value, problems);
}
}
}