+++ /dev/null
-/*
- * Copyright (c) 2009, Takeyuki Nagao
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the
- * following conditions are met:
- *
- * * Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the
- * following disclaimer.
- * * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the
- * following disclaimer in the documentation and/or other
- * materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
- * OF SUCH DAMAGE.
- */
-
-package jp.sourceforge.dvibrowser.dvicore.special;
-
-import java.io.File;
-import java.io.PrintWriter;
-import java.io.StringWriter;
-import java.util.HashMap;
-import java.util.Vector;
-
-import jp.sourceforge.dvibrowser.dvicore.DviException;
-import jp.sourceforge.dvibrowser.dvicore.DviObject;
-import jp.sourceforge.dvibrowser.dvicore.DviUnit;
-import jp.sourceforge.dvibrowser.dvicore.api.DviContextSupport;
-import jp.sourceforge.dvibrowser.dvicore.util.DviUtils;
-
-
-public class EmbeddedPostScript
-{
-// private static final Logger LOGGER = Logger.getLogger(EmbeddedPostScript.class.getName());
-
- private final Vector<Prologue> prologues = new Vector<Prologue>();
- private final Vector<Global> globals = new Vector<Global>();
- private final HashMap<Integer, Vector<Local>> page2locals
- = new HashMap<Integer, Vector<Local>>();
-
- private Vector<Local> locals = null;
-
- public void beginPage(int pageNum)
- {
- if (page2locals.containsKey(pageNum)) {
- locals = page2locals.get(pageNum);
- } else {
- locals = new Vector<Local>();
- page2locals.put(pageNum, locals);
- }
- }
-
- public void endPage()
- {
- locals = null;
- }
-
- public void add(Prologue a)
- {
- prologues.add(a);
- }
-
- public void add(Global a)
- {
- globals.add(a);
- }
-
- public void add(Local a)
- {
- locals.add(a);
- }
-
- private static void writePostScript(Vector<? extends Element> ce,
- PrintWriter pw, Config cfg) throws DviException
- {
- for (Element e : ce) {
- e.writePostScript(pw, cfg);
- }
- }
-
- public String toPostScript(int pageNum, int dpi)
- throws DviException
- {
- if (!page2locals.containsKey(pageNum))
- return null;
-
- Vector<Local> ls = page2locals.get(pageNum);
-
- if (ls == null || ls.size() == 0)
- return null;
-
- Config cfg = new Config(dpi);
-
- try {
- StringWriter sw = new StringWriter();
- PrintWriter pw = new PrintWriter(sw);
-
- pw.println("%!PS-Adobe-2.0");
- pw.println("%%Pages: 1");
- pw.println("%%BoundingBox: 0 0 595 842"); // Change bounding box depending on paper sizes.
- pw.println("%%EndComments");
- pw.println("%!");
-
- writePostScript(prologues, pw, cfg);
-
- // TODO: Use the paper size to set the bounding boxes
- pw.println(
- "TeXDict begin"
- + " 39158280 55380996 "
- + " 1000 "
- + dpi + " " + dpi
- + " (a.dvi) "
- + " @start end "
- );
- pw.println("TeXDict begin 1 0 bop 0 0 a");
-
- writePostScript(globals, pw, cfg);
-
- writePostScript(ls, pw, cfg);
-
- pw.println("end");
- pw.println("showpage");
- pw.close();
- sw.flush();
- return sw.toString();
- } catch (Exception ex) {
- throw new DviException(ex);
- }
- }
-
- private static class Config
- {
- public final int dpi;
- private Config(int dpi) {
- this.dpi = dpi;
- }
- }
-
- private static interface Element
- {
- public abstract void writePostScript(PrintWriter pw, Config cfg) throws DviException;
- }
-
- public static interface Local extends Element {}
- public static interface Global extends Element {}
- public static interface Prologue extends Element {}
-
- public static class ProloguePostScript
- {
- public final String postScript;
- public ProloguePostScript(String postScript) {
- this.postScript = postScript;
- }
-
- public void writePostScript(PrintWriter pw, Config cfg)
- {
- pw.println(postScript);
- }
- }
-
- // TODO: support encoding.
- private static String escapeFilenameForPS(String s)
- {
- return s.replaceAll("\\\\", "\\\\\\\\");
- }
-
- public static class PrologueFile
- extends DviObject
- implements Prologue
- {
- public final String fileName;
- public PrologueFile(DviContextSupport dcs, String fileName) {
- super(dcs);
- this.fileName = fileName;
- }
-
- public void writePostScript(PrintWriter pw, Config cfg) throws DviException
- {
- File file = DviUtils.toLocalFile(getDviContext().getDviResource(fileName));
- if (file == null || !file.exists())
- throw new DviException("Cannot find postscript prologue: " + fileName);
-
- String escapedFilename = escapeFilenameForPS(file.getAbsolutePath());
- pw.println(
- " (" + escapedFilename + ") run"
- );
- }
- }
-
- public static class HeaderSpecial
- implements Global
- {
- public final String fileName;
- public HeaderSpecial(String fileName) {
- this.fileName = fileName;
- }
-
- public void writePostScript(PrintWriter pw, Config cfg)
- {
- String escapedFilename = escapeFilenameForPS(fileName);
- pw.println(
- " (" + escapedFilename + ") run"
- );
- }
- }
-
- public static class BangSpecial
- implements Global
- {
- public final String postScript;
- public BangSpecial(String postScript) {
- this.postScript = postScript;
- }
-
- public void writePostScript(PrintWriter pw, Config cfg)
- {
- pw.println(
- " @defspecial " + postScript + " @fedspecial"
- );
- }
- }
-
- private static class WithReferencePoint
- implements Local
- {
- public final int h;
- public final int v;
- public final DviUnit dviUnit;
- private WithReferencePoint(int h, int v, DviUnit dviUnit)
- {
- this.h = h;
- this.v = v;
- this.dviUnit = dviUnit;
- }
-
- public void writePostScript(PrintWriter pw, Config cfg)
- {
- double psH = dviUnit.mapToPixelDouble(h, cfg.dpi);
- double psV = dviUnit.mapToPixelDouble(v, cfg.dpi);
- pw.println(
- " " + psH + " " + psV + " moveto "
- );
- }
- }
-
- public static class PSFileSpecial
- extends WithReferencePoint
- {
- public final String fileName;
- public final int llx;
- public final int lly;
- public final int urx;
- public final int ury;
- public final int rwi;
- public final int rhi;
- public final int angle;
- public PSFileSpecial(
- int h, int v, DviUnit dviUnit,
- String fileName,
- int llx, int lly, int urx, int ury,
- int rwi, int rhi, int angle
- ) {
- super(h, v, dviUnit);
- this.fileName = fileName;
- this.llx = llx;
- this.lly = lly;
- this.urx = urx;
- this.ury = ury;
- this.rwi = rwi;
- this.rhi = rhi;
- this.angle = angle;
- }
-
- public void writePostScript(PrintWriter pw, Config cfg)
- {
- super.writePostScript(pw, cfg);
- String escapedFilename = escapeFilenameForPS(fileName);
-// if (new File(realFile).exists()) {
- pw.println(
- " @beginspecial"
- + " " + llx + " @llx"
- + " " + lly + " @lly"
- + " " + urx + " @urx"
- + " " + ury + " @ury"
- + ((rwi != 0) ? (" " + rwi + " @rwi") : "")
- + ((rhi != 0) ? (" " + rhi + " @rhi") : "")
- + ((angle != 0) ? (" " + angle + " @angle") : "")
- + " @setspecial"
- + " (" + escapedFilename + ") run"
- + " @endspecial"
- );
-// } else {
-// }
- }
- }
-
- public static class PSSpecial
- extends WithReferencePoint
- {
- public final String postScript;
- public PSSpecial(int h, int v, DviUnit dviUnit, String postScript)
- {
- super(h, v, dviUnit);
- this.postScript = postScript;
- }
-
- public void writePostScript(PrintWriter pw, Config cfg)
- {
- super.writePostScript(pw, cfg);
- pw.println(
- " " + postScript
- );
- }
- }
-
- public static class QuoteSpecial
- extends PSSpecial
- {
- public QuoteSpecial(int h, int v, DviUnit dviUnit, String postScript)
- {
- super(h, v, dviUnit, postScript);
- }
-
- public void writePostScript(PrintWriter pw, Config cfg)
- {
- super.writePostScript(pw, cfg);
- pw.println(
- " @beginspecial"
- + " @setspecial"
- + " " + postScript
- + " @endspecial"
- );
- }
- }
-}
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