/**
*
* The MIT License
*
* Copyright (c) 2011 the original author or authors.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.googlecode.charts4j;
import static com.googlecode.charts4j.collect.Preconditions.checkNotNull;
import java.util.List;
import com.googlecode.charts4j.collect.ImmutableList;
import com.googlecode.charts4j.collect.Lists;
import com.googlecode.charts4j.parameters.ColorAndOffset;
/**
* Linear gradient fill. This class is constructed with the
* {@link Fills#newLinearGradientFill(int, Color, double)} static factory
* method.
*
* @author Julien Chastang (julien.c.chastang at gmail dot com)
*/
public class LinearGradientFill extends AbstractLinearFill {
/** Colors and offsets list. **/
private final List<ColorAndOffset> colorsAndOffsets = Lists.newLinkedList();
/**
* @see Fills#newLinearGradientFill(int, Color, double)
*/
LinearGradientFill(final int angle, final Color color, final double offset) {
super(angle);
colorsAndOffsets.add(new ColorAndOffset(color, offset));
}
/**
* Copy constructor.
*
* @param linearGradientFill
* fill to copy.
*/
private LinearGradientFill(final LinearGradientFill linearGradientFill) {
super(linearGradientFill.getAngle());
colorsAndOffsets.addAll(linearGradientFill.colorsAndOffsets);
}
/**
* {@inheritDoc}
*/
public Fill klone() {
return new LinearGradientFill(this);
}
/**
* Add additional fill gradients.
*
* @param color
* Additional color. Cannot be null.
*
* @param offset
* Additional offset.
*/
public final void addColorAndOffset(final Color color, final double offset) {
checkNotNull(color, "Color cannot be null");
colorsAndOffsets.add(new ColorAndOffset(color, offset));
}
/**
* Return a list of color and offsets for this fill.
*
* @return Color and offset list.
*/
final ImmutableList<ColorAndOffset> getColorsAndOffsets() {
return Lists.copyOf(colorsAndOffsets);
}
}