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/*
Copyright 2006 Jerry Huxtable
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 com.jhlabs.composite;
import java.awt.*;
import java.awt.image.*;
public final class MiscComposite implements Composite {
public final static int BLEND = 0;
public final static int ADD = 1;
public final static int SUBTRACT = 2;
public final static int DIFFERENCE = 3;
public final static int MULTIPLY = 4;
public final static int DARKEN = 5;
public final static int BURN = 6;
public final static int COLOR_BURN = 7;
public final static int SCREEN = 8;
public final static int LIGHTEN = 9;
public final static int DODGE = 10;
public final static int COLOR_DODGE = 11;
public final static int HUE = 12;
public final static int SATURATION = 13;
public final static int VALUE = 14;
public final static int COLOR = 15;
public final static int OVERLAY = 16;
public final static int SOFT_LIGHT = 17;
public final static int HARD_LIGHT = 18;
public final static int PIN_LIGHT = 19;
public final static int EXCLUSION = 20;
public final static int NEGATION = 21;
public final static int AVERAGE = 22;
public final static int STENCIL = 23;
public final static int SILHOUETTE = 24;
private static final int MIN_RULE = BLEND;
private static final int MAX_RULE = SILHOUETTE;
public static String[] RULE_NAMES = {
"Normal",
"Add",
"Subtract",
"Difference",
"Multiply",
"Darken",
"Burn",
"Color Burn",
"Screen",
"Lighten",
"Dodge",
"Color Dodge",
"Hue",
"Saturation",
"Brightness",
"Color",
"Overlay",
"Soft Light",
"Hard Light",
"Pin Light",
"Exclusion",
"Negation",
"Average",
"Stencil",
"Silhouette",
};
protected float extraAlpha;
protected int rule;
private MiscComposite(int rule) {
this(rule, 1.0f);
}
private MiscComposite(int rule, float alpha) {
if (alpha < 0.0f || alpha > 1.0f)
throw new IllegalArgumentException("alpha value out of range");
if (rule < MIN_RULE || rule > MAX_RULE)
throw new IllegalArgumentException("unknown composite rule");
this.rule = rule;
this.extraAlpha = alpha;
}
public static Composite getInstance(int rule, float alpha) {
switch ( rule ) {
case MiscComposite.BLEND:
return AlphaComposite.getInstance( AlphaComposite.SRC_OVER, alpha );
case MiscComposite.ADD:
return new AddComposite( alpha );
case MiscComposite.SUBTRACT:
return new SubtractComposite( alpha );
case MiscComposite.DIFFERENCE:
return new DifferenceComposite( alpha );
case MiscComposite.MULTIPLY:
return new MultiplyComposite( alpha );
case MiscComposite.DARKEN:
return new DarkenComposite( alpha );
case MiscComposite.BURN:
return new BurnComposite( alpha );
case MiscComposite.COLOR_BURN:
return new ColorBurnComposite( alpha );
case MiscComposite.SCREEN:
return new ScreenComposite( alpha );
case MiscComposite.LIGHTEN:
return new LightenComposite( alpha );
case MiscComposite.DODGE:
return new DodgeComposite( alpha );
case MiscComposite.COLOR_DODGE:
return new ColorDodgeComposite( alpha );
case MiscComposite.HUE:
return new HueComposite( alpha );
case MiscComposite.SATURATION:
return new SaturationComposite( alpha );
case MiscComposite.VALUE:
return new ValueComposite( alpha );
case MiscComposite.COLOR:
return new ColorComposite( alpha );
case MiscComposite.OVERLAY:
return new OverlayComposite( alpha );
case MiscComposite.SOFT_LIGHT:
return new SoftLightComposite( alpha );
case MiscComposite.HARD_LIGHT:
return new HardLightComposite( alpha );
case MiscComposite.PIN_LIGHT:
return new PinLightComposite( alpha );
case MiscComposite.EXCLUSION:
return new ExclusionComposite( alpha );
case MiscComposite.NEGATION:
return new NegationComposite( alpha );
case MiscComposite.AVERAGE:
return new AverageComposite( alpha );
case MiscComposite.STENCIL:
return AlphaComposite.getInstance( AlphaComposite.DST_IN, alpha );
case MiscComposite.SILHOUETTE:
return AlphaComposite.getInstance( AlphaComposite.DST_OUT, alpha );
}
return new MiscComposite(rule, alpha);
}
public CompositeContext createContext(ColorModel srcColorModel, ColorModel dstColorModel, RenderingHints hints) {
return new MiscCompositeContext( rule, extraAlpha, srcColorModel, dstColorModel );
}
public float getAlpha() {
return extraAlpha;
}
public int getRule() {
return rule;
}
public int hashCode() {
return (Float.floatToIntBits(extraAlpha) * 31 + rule);
}
public boolean equals(Object o) {
if (!(o instanceof MiscComposite))
return false;
MiscComposite c = (MiscComposite)o;
if (rule != c.rule)
return false;
if (extraAlpha != c.extraAlpha)
return false;
return true;
}
}
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