Java tutorial
/* * 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); } }