/*
* Copyright 2003 Paulo Soares
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
package com.lowagie.text.pdf;
/** The graphic state dictionary.
*
* @author Paulo Soares (psoares@consiste.pt)
*/
public class PdfGState extends PdfDictionary {
/** A possible blend mode */
public static final PdfName BM_NORMAL = new PdfName("Normal");
/** A possible blend mode */
public static final PdfName BM_COMPATIBLE = new PdfName("Compatible");
/** A possible blend mode */
public static final PdfName BM_MULTIPLY = new PdfName("Multiply");
/** A possible blend mode */
public static final PdfName BM_SCREEN = new PdfName("Screen");
/** A possible blend mode */
public static final PdfName BM_OVERLAY = new PdfName("Overlay");
/** A possible blend mode */
public static final PdfName BM_DARKEN = new PdfName("Darken");
/** A possible blend mode */
public static final PdfName BM_LIGHTEN = new PdfName("Lighten");
/** A possible blend mode */
public static final PdfName BM_COLORDODGE = new PdfName("ColorDodge");
/** A possible blend mode */
public static final PdfName BM_COLORBURN = new PdfName("ColorBurn");
/** A possible blend mode */
public static final PdfName BM_HARDLIGHT = new PdfName("HardLight");
/** A possible blend mode */
public static final PdfName BM_SOFTLIGHT = new PdfName("SoftLight");
/** A possible blend mode */
public static final PdfName BM_DIFFERENCE = new PdfName("Difference");
/** A possible blend mode */
public static final PdfName BM_EXCLUSION = new PdfName("Exclusion");
/**
* Sets the flag whether to apply overprint for stroking.
* @param ov
*/
public void setOverPrintStroking(boolean ov) {
put(PdfName.OP, ov ? PdfBoolean.PDFTRUE : PdfBoolean.PDFFALSE);
}
/**
* Sets the flag whether to apply overprint for non stroking painting operations.
* @param ov
*/
public void setOverPrintNonStroking(boolean ov) {
put(PdfName.op, ov ? PdfBoolean.PDFTRUE : PdfBoolean.PDFFALSE);
}
/**
* Sets the flag whether to toggle knockout behavior for overprinted objects.
* @param ov - accepts 0 or 1
*/
public void setOverPrintMode(int ov) {
put(PdfName.OPM, new PdfNumber(ov==0 ? 0 : 1));
}
/**
* Sets the current stroking alpha constant, specifying the constant shape or
* constant opacity value to be used for stroking operations in the transparent
* imaging model.
* @param n
*/
public void setStrokeOpacity(float n) {
put(PdfName.CA, new PdfNumber(n));
}
/**
* Sets the current stroking alpha constant, specifying the constant shape or
* constant opacity value to be used for nonstroking operations in the transparent
* imaging model.
* @param n
*/
public void setFillOpacity(float n) {
put(PdfName.ca, new PdfNumber(n));
}
/**
* The alpha source flag specifying whether the current soft mask
* and alpha constant are to be interpreted as shape values (true)
* or opacity values (false).
* @param v
*/
public void setAlphaIsShape(boolean v) {
put(PdfName.AIS, v ? PdfBoolean.PDFTRUE : PdfBoolean.PDFFALSE);
}
/**
* Determines the behavior of overlapping glyphs within a text object
* in the transparent imaging model.
* @param v
*/
public void setTextKnockout(boolean v) {
put(PdfName.TK, v ? PdfBoolean.PDFTRUE : PdfBoolean.PDFFALSE);
}
/**
* The current blend mode to be used in the transparent imaging model.
* @param bm
*/
public void setBlendMode(PdfName bm) {
put(PdfName.BM, bm);
}
}