+++ /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.font;
-
-import java.io.BufferedInputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.HashMap;
-
-import jp.sourceforge.dvibrowser.dvicore.DviException;
-import jp.sourceforge.dvibrowser.dvicore.DviFontSpec;
-import jp.sourceforge.dvibrowser.dvicore.DviObject;
-import jp.sourceforge.dvibrowser.dvicore.DviResolution;
-import jp.sourceforge.dvibrowser.dvicore.DviUnit;
-import jp.sourceforge.dvibrowser.dvicore.api.DviContextSupport;
-import jp.sourceforge.dvibrowser.dvicore.api.DviFont;
-import jp.sourceforge.dvibrowser.dvicore.api.Glyph;
-import jp.sourceforge.dvibrowser.dvicore.api.SimpleMetrics;
-import jp.sourceforge.dvibrowser.dvicore.io.DviInputStreamReader;
-import jp.sourceforge.dvibrowser.dvicore.util.DviUtils;
-
-
-public class PkFont
-extends DviObject
-implements DviFont, SimpleMetrics
-{
- private static final long serialVersionUID = 1531160169076910099L;
-
- private final File file;
-
- private int idByte;
- private byte[] comment;
-
- private int designSize;
- private int checkSum;
- private int hppp;
- private int vppp;
- private long bodyOffset;
- private int numChars;
-
- private HashMap<Integer, Glyph> glyphs
- = new HashMap<Integer, Glyph>();
-
- public PkFont(DviContextSupport dcs, File file)
- throws DviException
- {
- super(dcs);
- this.file = file;
- try {
- FileInputStream fis = null;
- try {
- fis = new FileInputStream(file);
- parseInputStream(fis);
- } finally {
- DviUtils.silentClose(fis);
- }
- } catch (DviException ex) {
- throw ex;
- } catch (IOException ex) {
- throw new DviException(ex);
- }
- }
-
- public PkFont(DviContextSupport dcs, InputStream is)
- throws DviException
- {
- super(dcs);
- try {
- parseInputStream(is);
- } catch (DviException ex) {
- throw ex;
- } catch (IOException ex) {
- throw new DviException(ex);
- }
- this.file = null;
- }
-
- public boolean hasChar(int code)
- {
- return glyphs.containsKey(code);
- }
-
- public Glyph getGlyph(LogicalFont lf, int code)
- {
- return glyphs.get(code);
- }
-
- public int getWidth(int code)
- {
- PkGlyph g = (PkGlyph) glyphs.get(code);
- if (g == null) return 0;
- return g.width();
- }
-
- public int getHeight(int code)
- {
- PkGlyph g = (PkGlyph) glyphs.get(code);
- if (g == null) return 0;
- return g.height();
- }
-
- public int getTfmWidth(int code)
- {
- PkGlyph g = (PkGlyph) glyphs.get(code);
- if (g == null) return 0;
- return g.getTfmWidth();
- }
-
- public int getIdByte() {
- return idByte;
- }
-
- public byte[] getComment() {
- return comment.clone();
- }
-
- public int getDesignSize() {
- return designSize;
- }
-
- public int getCheckSum() {
- return checkSum;
- }
-
- // TODO: rename this method
- public int getHppp() {
- return hppp;
- }
-
- // TODO: rename this method
- public int getVppp() {
- return vppp;
- }
-
- public long getBodyOffset() {
- return bodyOffset;
- }
-
- public int getNumChars() {
- return numChars;
- }
-
- public void parseInputStream(InputStream is)
- throws IOException, DviException
- {
- DviInputStreamReader in = new DviInputStreamReader(
- new BufferedInputStream(is, 8192)
- );
-
- if (in.readU1() != PkConstants.PK_PRE)
- throw new DviException
- ("PK file doesn't start with PRE.");
-
- idByte = in.readU1();
- if (idByte != PkConstants.PK_ID_BYTE)
- throw new DviException
- ("Unrecognized PK file: wrong idByte: " + idByte);
- int commentLen = in.readU1();
- comment = new byte[commentLen];
- in.readFully(comment);
- designSize = in.readS4();
- checkSum = in.readS4();
- hppp = in.readS4();
- vppp = in.readS4();
- bodyOffset = in.getOffset();
-
- numChars = 0;
-
- boolean stop = false;
- while (!stop) {
- byte [] buf;
- int c = in.readU1();
- switch (c) {
- case PkConstants.PK_XXX4:
- case PkConstants.PK_XXX3:
- case PkConstants.PK_XXX2:
- case PkConstants.PK_XXX1: {
- int len;
- len = in.readU(c - PkConstants.PK_XXX1 + 1);
- buf = new byte[len];
- in.readFully(buf);
- // System.out.println("xxx: \"" + new String(buf) + "\"");
- break;
- }
- case PkConstants.PK_YYY: {
-// int yyy = in.readS4();
- in.readS4();
- // System.out.println("yyy: " + yyy);
- break;
- }
- case PkConstants.PK_NOP:
- break;
- case PkConstants.PK_POST:
- stop = true;
- break;
- case PkConstants.PK_PRE:
- throw new DviException
- ("broken PK file: PRE found in the body of PK file: "
- + file.getPath());
- default:
- {
-// long pos = in.getOffset() - 1;
- PkGlyph g = (PkGlyph) PkGlyph.readFromInput(c, in);
- glyphs.put(g.code(), g);
- }
- }
- }
- }
-
- public static String getDviResourceName(LogicalFont lf)
- {
- DviFontSpec fs = lf.fontSpec();
- DviResolution res = lf.resolution();
- DviUnit dviUnit = lf.dviUnit();
- int useDpi = (int) (
- (double) res.dpi() * fs.spaceSize() * dviUnit.magnification()
- / fs.designSize() / 1000
- );
- if (useDpi <= 0) return null;
- String pk = fs.name() + "." + useDpi + "pk";
- return pk;
- }
-}
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