com.itextpdf.io.font.CidFontProperties Maven / Gradle / Ivy
/*
This file is part of the iText (R) project.
Copyright (c) 1998-2023 Apryse Group NV
Authors: Apryse Software.
This program is offered under a commercial and under the AGPL license.
For commercial licensing, contact us at https://itextpdf.com/sales. For AGPL licensing, see below.
AGPL licensing:
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see > allFonts = new HashMap<>();
private static final Map> registryNames = new HashMap<>();
static {
try {
loadRegistry();
for (String font : registryNames.get("fonts")) {
allFonts.put(font, readFontProperties(font));
}
} catch (Exception ignored) { }
}
/** Checks if its a valid CJKFont font.
* @param fontName the font name.
* @param enc the encoding.
* @return {@code true} if it is CJKFont.
*/
public static boolean isCidFont(String fontName, String enc) {
if (!registryNames.containsKey("fonts"))
return false;
if (!registryNames.get("fonts").contains(fontName))
return false;
if (enc.equals(PdfEncodings.IDENTITY_H) || enc.equals(PdfEncodings.IDENTITY_V))
return true;
String registry = (String)allFonts.get(fontName).get("Registry");
Set encodings = registryNames.get(registry);
return encodings != null && encodings.contains(enc);
}
public static String getCompatibleFont(String enc) {
for (Map.Entry> e : registryNames.entrySet()) {
if (e.getValue().contains(enc)) {
String registry = e.getKey();
for (Map.Entry> e1 : allFonts.entrySet()) {
if (registry.equals(e1.getValue().get("Registry")))
return e1.getKey();
}
}
}
return null;
}
public static Map> getAllFonts() {
return allFonts;
}
public static Map> getRegistryNames() {
return registryNames;
}
private static void loadRegistry() throws java.io.IOException {
InputStream resource = ResourceUtil.getResourceStream(FontResources.CMAPS + "cjk_registry.properties");
Properties p = new Properties();
p.load(resource);
resource.close();
for (Object key : p.keySet()) {
String value = p.getProperty((String)key);
String[] sp = value.split(" ");
Set hs = new HashSet();
for (String s : sp) {
if (s.length() > 0)
hs.add(s);
}
registryNames.put((String)key, hs);
}
}
private static Map readFontProperties(String name) throws java.io.IOException {
name += ".properties";
InputStream resource = ResourceUtil.getResourceStream(FontResources.CMAPS + name);
Properties p = new Properties();
p.load(resource);
resource.close();
IntHashtable W = createMetric(p.getProperty("W"));
p.remove("W");
IntHashtable W2 = createMetric(p.getProperty("W2"));
p.remove("W2");
Map map = new HashMap();
for (Object obj : p.keySet()) {
map.put((String)obj, p.getProperty((String)obj));
}
map.put("W", W);
map.put("W2", W2);
return map;
}
private static IntHashtable createMetric(String s) {
IntHashtable h = new IntHashtable();
StringTokenizer tk = new StringTokenizer(s);
while (tk.hasMoreTokens()) {
int n1 = Integer.parseInt(tk.nextToken());
h.put(n1, Integer.parseInt(tk.nextToken()));
}
return h;
}
}