com.itextpdf.text.pdf.ExtendedColor Maven / Gradle / Ivy
/*
*
* This file is part of the iText (R) project.
* Copyright (c) 1998-2016 iText Group NV
* Authors: Bruno Lowagie, Paulo Soares, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
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* ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
* OF THIRD PARTY RIGHTS
*
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Affero General Public License for more details.
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* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://itextpdf.com/terms-of-use/
*
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* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
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* a covered work must retain the producer line in every PDF that is created
* or manipulated using iText.
*
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package com.itextpdf.text.pdf;
import com.itextpdf.text.BaseColor;
/**
*
* @author Paulo Soares
*/
public abstract class ExtendedColor extends BaseColor{
private static final long serialVersionUID = 2722660170712380080L;
/** a type of extended color. */
public static final int TYPE_RGB = 0;
/** a type of extended color. */
public static final int TYPE_GRAY = 1;
/** a type of extended color. */
public static final int TYPE_CMYK = 2;
/** a type of extended color. */
public static final int TYPE_SEPARATION = 3;
/** a type of extended color. */
public static final int TYPE_PATTERN = 4;
/** a type of extended color. */
public static final int TYPE_SHADING = 5;
/** a type of extended color. */
public static final int TYPE_DEVICEN = 6;
/** a type of extended color. */
public static final int TYPE_LAB = 7;
protected int type;
/**
* Constructs an extended color of a certain type.
* @param type
*/
public ExtendedColor(int type) {
super(0, 0, 0);
this.type = type;
}
/**
* Constructs an extended color of a certain type and a certain color.
* @param type
* @param red
* @param green
* @param blue
*/
public ExtendedColor(int type, float red, float green, float blue) {
super(normalize(red), normalize(green), normalize(blue));
this.type = type;
}
/**
* Constructs an extended color of a certain type and a certain color.
* @param type
* @param red
* @param green
* @param blue
* @param alpha
*/
public ExtendedColor(int type, int red, int green, int blue, int alpha) {
super(normalize((float)red / 0xFF), normalize((float)green / 0xFF), normalize((float)blue / 0xFF), normalize((float)alpha / 0xFF));
this.type = type;
}
/**
* Gets the type of this color.
* @return one of the types (see constants)
*/
public int getType() {
return type;
}
/**
* Gets the type of a given color.
* @param color
* @return one of the types (see constants)
*/
public static int getType(BaseColor color) {
if (color instanceof ExtendedColor)
return ((ExtendedColor)color).getType();
return TYPE_RGB;
}
static final float normalize(float value) {
if (value < 0)
return 0;
if (value > 1)
return 1;
return value;
}
}