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/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2017 IDRsolutions and Contributors.
*
* This file is part of JPedal/JPDF2HTML5
*
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---------------
* Post.java
* ---------------
*/
package org.jpedal.fonts.tt;
import java.util.HashMap;
import java.util.Map;
import org.jpedal.utils.LogWriter;
public class Post extends Table {
/**
* map glyphs onto ID values in font
*/
private final Map translateToID = new HashMap();
@SuppressWarnings({"FieldCanBeLocal"})
private final String[] macEncoding = {".notdef", ".null",
"nonmarkingreturn", "space", "exclam", "quotedbl", "numbersign",
"dollar", "percent", "ampersand", "quotesingle", "parenleft",
"parenright", "asterisk", "plus", "comma", "hyphen", "period",
"slash", "zero", "one", "two", "three", "four", "five", "six",
"seven", "eight", "nine", "colon", "semicolon", "less", "equal",
"greater", "question", "at", "A", "B", "C", "D", "E", "F", "G",
"H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T",
"U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash",
"bracketright", "asciicircum", "underscore", "grave", "a", "b",
"c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o",
"p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft",
"bar", "braceright", "asciitilde", "Adieresis", "Aring",
"Ccedilla", "Eacute", "Ntilde", "Odieresis", "Udieresis", "aacute",
"agrave", "acircumflex", "adieresis", "atilde", "aring",
"ccedilla", "eacute", "egrave", "ecircumflex", "edieresis",
"iacute", "igrave", "icircumflex", "idieresis", "ntilde", "oacute",
"ograve", "ocircumflex", "odieresis", "otilde", "uacute", "ugrave",
"ucircumflex", "udieresis", "dagger", "degree", "cent", "sterling",
"section", "bullet", "paragraph", "germandbls", "registered",
"copyright", "trademark", "acute", "dieresis", "notequal", "AE",
"Oslash", "infinity", "plusminus", "lessequal", "greaterequal",
"yen", "mu", "partialdiff", "summation", "product", "pi",
"integral", "ordfeminine", "ordmasculine", "Omega", "ae", "oslash",
"questiondown", "exclamdown", "logicalnot", "radical", "florin",
"approxequal", "Delta", "guillemotleft", "guillemotright",
"ellipsis", "nonbreakingspace", "Agrave", "Atilde", "Otilde", "OE",
"oe", "endash", "emdash", "quotedblleft", "quotedblright",
"quoteleft", "quoteright", "divide", "lozenge", "ydieresis",
"Ydieresis", "fraction", "currency", "guilsinglleft",
"guilsinglright", "fi", "fl", "daggerdbl", "periodcentered",
"quotesinglbase", "quotedblbase", "perthousand", "Acircumflex",
"Ecircumflex", "Aacute", "Edieresis", "Egrave", "Iacute",
"Icircumflex", "Idieresis", "Igrave", "Oacute", "Ocircumflex",
"apple", "Ograve", "Uacute", "Ucircumflex", "Ugrave", "dotlessi",
"circumflex", "tilde", "macron", "breve", "dotaccent", "ring",
"cedilla", "hungarumlaut", "ogonek", "caron", "Lslash", "lslash",
"Scaron", "scaron", "Zcaron", "zcaron", "brokenbar", "Eth", "eth",
"Yacute", "yacute", "Thorn", "thorn", "minus", "multiply",
"onesuperior", "twosuperior", "threesuperior", "onehalf",
"onequarter", "threequarters", "franc", "Gbreve", "gbreve",
"Idotaccent", "Scedilla", "scedilla", "Cacute", "cacute", "Ccaron",
"ccaron", "dcroat"};
public Post(final FontFile2 currentFontFile) {
//move to start and check exists
final int startPointer = currentFontFile.selectTable(FontFile2.POST);
//System.out.println(startPointer);
//read 'head' table
if (startPointer == 0) {
LogWriter.writeLog("No Post table found");
} else {
//read format (actually 1,2,2.5 but multiplied so switch works
final int id = (int) (10 * currentFontFile.getFixed());
//System.out.println("id="+id);
//for(int i=0;i<)
//read rest of table which we ignore
currentFontFile.getFixed(); // italicAngle Italic angle in degrees
currentFontFile.getFWord(); //FWord underlinePosition Underline position
currentFontFile.getFWord(); //FWord underlineThickness Underline thickness
currentFontFile.getNextUint16(); //uint16 isFixedPitch Font is monospaced; set to 1 if the font is monospaced and 0 otherwise
currentFontFile.getNextUint16(); //uint16 reserved Reserved, set to 0
currentFontFile.getNextUint32(); //uint32 minMemType42 Minimum memory usage when a TrueType font is downloaded as a Type 42 font
currentFontFile.getNextUint32(); //uint32 maxMemType42 Maximum memory usage when a TrueType font is downloaded as a Type 42 font
currentFontFile.getNextUint32(); //uint32 minMemType1 Minimum memory usage when a TrueType font is downloaded as a Type 1 font
currentFontFile.getNextUint32(); //uint32 maxMemType1 Maximum memory usage when a TrueType font is downloaded as a Type 1 font
/*
* create lookup table for mac format
*/
final int numberOfGlyphs;
//standard mac os table
if (id != 30) {
for (int i = 0; i < 258; i++) {
translateToID.put(macEncoding[i], i + 1);
}
}
switch (id) {
case 20:
numberOfGlyphs = currentFontFile.getNextUint16();
final int[] glyphNameIndex = new int[numberOfGlyphs];
int numberOfNewGlyphs = 0;
/*read glyphs and work out how many strings*/
for (int i = 0; i < numberOfGlyphs; i++) {
glyphNameIndex[i] = currentFontFile.getNextUint16();
if (glyphNameIndex[i] > 257 && glyphNameIndex[i] < 32768) {
numberOfNewGlyphs++;
}
}
/*now read the strings*/
final String[] names = new String[numberOfNewGlyphs];
for (int i = 0; i < numberOfNewGlyphs; i++) {
names[i] = currentFontFile.getString();
//System.out.println("names["+i+"]="+names[i]);
}
/*
* now add in non-standard strings
*
* (quite a lot of error checking needed for dodgy fonts)
*/
for (int i = 0; i < numberOfGlyphs; i++) {
if (glyphNameIndex[i] > 257 && glyphNameIndex[i] < 32768 && glyphNameIndex[i] - 258 < numberOfNewGlyphs) {
translateToID.put(names[glyphNameIndex[i] - 258], i);
//System.out.println(i+"="+names[glyphNameIndex[i]-258]);
}
}
break;
case 25:
numberOfGlyphs = currentFontFile.getNextUint16();
final int[] glyphOffset = new int[numberOfGlyphs];
//read glyphs and work out how many strings
for (int i = 0; i < numberOfGlyphs; i++) {
glyphOffset[i] = currentFontFile.getNextint8();
translateToID.put(macEncoding[glyphOffset[i] + i], glyphOffset[i]);
}
break;
}
}
}
public Post() {
}
/**
* lookup glyph in post table (return -1 if no match
*/
public int convertGlyphToCharacterCode(final String glyph) {
final Integer newID = translateToID.get(glyph);
if (newID == null) {
return 0;
} else {
return newID;
}
}
}
