You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@pdfbox.apache.org by ti...@apache.org on 2018/02/15 16:42:45 UTC
svn commit: r1824326 [1/3] - in /pdfbox/branches/2.0/fontbox: ./
src/main/appended-resources/META-INF/ src/main/java/org/apache/fontbox/ttf/
src/main/resources/org/apache/fontbox/unicode/
Author: tilman
Date: Thu Feb 15 16:42:45 2018
New Revision: 1824326
URL: http://svn.apache.org/viewvc?rev=1824326&view=rev
Log:
PDFBOX-4106: Add OpenTypeScript class to get OpenType script tags for codepoints, by Aaron Madlon-Kay
Added:
pdfbox/branches/2.0/fontbox/src/main/java/org/apache/fontbox/ttf/OpenTypeScript.java (with props)
pdfbox/branches/2.0/fontbox/src/main/resources/org/apache/fontbox/unicode/
pdfbox/branches/2.0/fontbox/src/main/resources/org/apache/fontbox/unicode/Scripts.txt (with props)
Modified:
pdfbox/branches/2.0/fontbox/pom.xml
pdfbox/branches/2.0/fontbox/src/main/appended-resources/META-INF/NOTICE
Modified: pdfbox/branches/2.0/fontbox/pom.xml
URL: http://svn.apache.org/viewvc/pdfbox/branches/2.0/fontbox/pom.xml?rev=1824326&r1=1824325&r2=1824326&view=diff
==============================================================================
--- pdfbox/branches/2.0/fontbox/pom.xml (original)
+++ pdfbox/branches/2.0/fontbox/pom.xml Thu Feb 15 16:42:45 2018
@@ -1,92 +1,93 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
- Licensed to the Apache Software Foundation (ASF) under one or more
- contributor license agreements. See the NOTICE file distributed with
- this work for additional information regarding copyright ownership.
- The ASF licenses this file to You under the Apache License, Version 2.0
- (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.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
--->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
- <modelVersion>4.0.0</modelVersion>
-
- <parent>
- <groupId>org.apache.pdfbox</groupId>
- <artifactId>pdfbox-parent</artifactId>
- <version>2.0.9-SNAPSHOT</version>
- <relativePath>../parent/pom.xml</relativePath>
- </parent>
-
- <artifactId>fontbox</artifactId>
- <packaging>bundle</packaging>
-
- <name>Apache FontBox</name>
- <description>
- The Apache FontBox library is an open source Java tool to obtain low level information
- from font files. FontBox is a subproject of Apache PDFBox.
- </description>
-
- <inceptionYear>2008</inceptionYear>
- <url>http://pdfbox.apache.org/</url>
-
- <dependencies>
- <dependency>
- <groupId>commons-logging</groupId>
- <artifactId>commons-logging</artifactId>
- </dependency>
- <dependency>
- <groupId>junit</groupId>
- <artifactId>junit</artifactId>
- </dependency>
- </dependencies>
-
- <build>
- <plugins>
- <plugin>
- <groupId>org.apache.felix</groupId>
- <artifactId>maven-bundle-plugin</artifactId>
- <extensions>true</extensions>
- </plugin>
- <plugin>
- <groupId>org.apache.rat</groupId>
- <artifactId>apache-rat-plugin</artifactId>
- <configuration>
- <excludes>
- <exclude>src/main/resources/org/apache/fontbox/cmap/*</exclude>
- </excludes>
- </configuration>
- </plugin>
-
- <!-- download test files from JIRA and keep them in repository cache -->
- <plugin>
- <groupId>com.googlecode.maven-download-plugin</groupId>
- <artifactId>download-maven-plugin</artifactId>
- <version>1.3.0</version>
- <executions>
- <execution>
- <id>PDFBOX-4038</id>
- <phase>generate-test-resources</phase>
- <goals>
- <goal>wget</goal>
- </goals>
- <configuration>
- <url>https://issues.apache.org/jira/secure/attachment/12684264/SourceSansProBold.otf</url>
- <outputDirectory>${project.build.directory}/pdfs</outputDirectory>
- <sha512>28a044a2685fbc8da7810d9ac7b6b93a95542d504d7d8e671f009b8ebb2f5b70c974be7ea78974b188d8e6ab17d65b08f276c054927857315d5aad26f6fe36fc</sha512>
- </configuration>
- </execution>
- </executions>
- </plugin>
- </plugins>
- </build>
-
-</project>
-
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to You under the Apache License, Version 2.0
+ (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.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.apache.pdfbox</groupId>
+ <artifactId>pdfbox-parent</artifactId>
+ <version>2.0.9-SNAPSHOT</version>
+ <relativePath>../parent/pom.xml</relativePath>
+ </parent>
+
+ <artifactId>fontbox</artifactId>
+ <packaging>bundle</packaging>
+
+ <name>Apache FontBox</name>
+ <description>
+ The Apache FontBox library is an open source Java tool to obtain low level information
+ from font files. FontBox is a subproject of Apache PDFBox.
+ </description>
+
+ <inceptionYear>2008</inceptionYear>
+ <url>http://pdfbox.apache.org/</url>
+
+ <dependencies>
+ <dependency>
+ <groupId>commons-logging</groupId>
+ <artifactId>commons-logging</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>junit</groupId>
+ <artifactId>junit</artifactId>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.felix</groupId>
+ <artifactId>maven-bundle-plugin</artifactId>
+ <extensions>true</extensions>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.rat</groupId>
+ <artifactId>apache-rat-plugin</artifactId>
+ <configuration>
+ <excludes>
+ <exclude>src/main/resources/org/apache/fontbox/cmap/*</exclude>
+ <exclude>src/main/resources/org/apache/fontbox/unicode/*</exclude>
+ </excludes>
+ </configuration>
+ </plugin>
+
+ <!-- download test files from JIRA and keep them in repository cache -->
+ <plugin>
+ <groupId>com.googlecode.maven-download-plugin</groupId>
+ <artifactId>download-maven-plugin</artifactId>
+ <version>1.3.0</version>
+ <executions>
+ <execution>
+ <id>PDFBOX-4038</id>
+ <phase>generate-test-resources</phase>
+ <goals>
+ <goal>wget</goal>
+ </goals>
+ <configuration>
+ <url>https://issues.apache.org/jira/secure/attachment/12684264/SourceSansProBold.otf</url>
+ <outputDirectory>${project.build.directory}/pdfs</outputDirectory>
+ <sha512>28a044a2685fbc8da7810d9ac7b6b93a95542d504d7d8e671f009b8ebb2f5b70c974be7ea78974b188d8e6ab17d65b08f276c054927857315d5aad26f6fe36fc</sha512>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+
+</project>
+
Modified: pdfbox/branches/2.0/fontbox/src/main/appended-resources/META-INF/NOTICE
URL: http://svn.apache.org/viewvc/pdfbox/branches/2.0/fontbox/src/main/appended-resources/META-INF/NOTICE?rev=1824326&r1=1824325&r2=1824326&view=diff
==============================================================================
--- pdfbox/branches/2.0/fontbox/src/main/appended-resources/META-INF/NOTICE (original)
+++ pdfbox/branches/2.0/fontbox/src/main/appended-resources/META-INF/NOTICE Thu Feb 15 16:42:45 2018
@@ -1,2 +1,5 @@
Based on source code contributed to the original FontBox project.
Copyright (c) 2006-2007, www.fontbox.org
+
+Includes the Script Property (Scripts-10.0.0.txt)
+Copyright 2017 Unicode, Inc.
Added: pdfbox/branches/2.0/fontbox/src/main/java/org/apache/fontbox/ttf/OpenTypeScript.java
URL: http://svn.apache.org/viewvc/pdfbox/branches/2.0/fontbox/src/main/java/org/apache/fontbox/ttf/OpenTypeScript.java?rev=1824326&view=auto
==============================================================================
--- pdfbox/branches/2.0/fontbox/src/main/java/org/apache/fontbox/ttf/OpenTypeScript.java (added)
+++ pdfbox/branches/2.0/fontbox/src/main/java/org/apache/fontbox/ttf/OpenTypeScript.java Thu Feb 15 16:42:45 2018
@@ -0,0 +1,378 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (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.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.fontbox.ttf;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.LineNumberReader;
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.StringTokenizer;
+import java.util.TreeMap;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+/**
+ * A class for mapping Unicode codepoints to OpenType script tags
+ *
+ * @author Aaron Madlon-Kay
+ *
+ * @see <a href="https://www.microsoft.com/typography/otspec/scripttags.htm">Microsoft Typography:
+ * Script Tags</a>
+ * @see <a href="https://www.unicode.org/reports/tr24/">Unicode Script Property</a>
+ */
+public final class OpenTypeScript
+{
+ private static final Log LOG = LogFactory.getLog(OpenTypeScript.class);
+
+ public static final String INHERITED = "Inherited";
+ public static final String UNKNOWN = "Unknown";
+ public static final String TAG_DEFAULT = "DFLT";
+
+ /**
+ * A map associating Unicode scripts with one or more OpenType script tags. Script tags are not necessarily the same
+ * as Unicode scripts. A single Unicode script may correspond to multiple tags, especially when there has been a
+ * revision to the latter (e.g. Bengali -> [bng2, beng]). When there are multiple tags, they are ordered from newest
+ * to oldest.
+ *
+ * @see <a href="https://www.microsoft.com/typography/otspec/scripttags.htm">Microsoft Typography: Script Tags</a>
+ */
+ private static final Map<String, String[]> UNICODE_SCRIPT_TO_OPENTYPE_TAG_MAP;
+
+ static
+ {
+ Map<String, String[]> map = new HashMap<String, String[]>();
+ map.put("Adlam", new String[] { "adlm" });
+ map.put("Ahom", new String[] { "ahom" });
+ map.put("Anatolian_Hieroglyphs", new String[] { "hluw" });
+ map.put("Arabic", new String[] { "arab" });
+ map.put("Armenian", new String[] { "armn" });
+ map.put("Avestan", new String[] { "avst" });
+ map.put("Balinese", new String[] { "bali" });
+ map.put("Bamum", new String[] { "bamu" });
+ map.put("Bassa_Vah", new String[] { "bass" });
+ map.put("Batak", new String[] { "batk" });
+ map.put("Bengali", new String[] { "bng2", "beng" });
+ map.put("Bhaiksuki", new String[] { "bhks" });
+ map.put("Bopomofo", new String[] { "bopo" });
+ map.put("Brahmi", new String[] { "brah" });
+ map.put("Braille", new String[] { "brai" });
+ map.put("Buginese", new String[] { "bugi" });
+ map.put("Buhid", new String[] { "buhd" });
+ // Byzantine Music: byzm
+ map.put("Canadian_Aboriginal", new String[] { "cans" });
+ map.put("Carian", new String[] { "cari" });
+ map.put("Caucasian_Albanian", new String[] { "aghb" });
+ map.put("Chakma", new String[] { "cakm" });
+ map.put("Cham", new String[] { "cham" });
+ map.put("Cherokee", new String[] { "cher" });
+ map.put("Common", new String[] { TAG_DEFAULT }); // "Default" in OpenType
+ map.put("Coptic", new String[] { "copt" });
+ map.put("Cuneiform", new String[] { "xsux" }); // "Sumero-Akkadian Cuneiform" in OpenType
+ map.put("Cypriot", new String[] { "cprt" });
+ map.put("Cyrillic", new String[] { "cyrl" });
+ map.put("Deseret", new String[] { "dsrt" });
+ map.put("Devanagari", new String[] { "dev2", "deva" });
+ map.put("Duployan", new String[] { "dupl" });
+ map.put("Egyptian_Hieroglyphs", new String[] { "egyp" });
+ map.put("Elbasan", new String[] { "elba" });
+ map.put("Ethiopic", new String[] { "ethi" });
+ map.put("Georgian", new String[] { "geor" });
+ map.put("Glagolitic", new String[] { "glag" });
+ map.put("Gothic", new String[] { "goth" });
+ map.put("Grantha", new String[] { "gran" });
+ map.put("Greek", new String[] { "grek" });
+ map.put("Gujarati", new String[] { "gjr2", "gujr" });
+ map.put("Gurmukhi", new String[] { "gur2", "guru" });
+ map.put("Han", new String[] { "hani" }); // "CJK Ideographic" in OpenType
+ map.put("Hangul", new String[] { "hang" });
+ // Hangul Jamo: jamo
+ map.put("Hanunoo", new String[] { "hano" });
+ map.put("Hatran", new String[] { "hatr" });
+ map.put("Hebrew", new String[] { "hebr" });
+ map.put("Hiragana", new String[] { "kana" });
+ map.put("Imperial_Aramaic", new String[] { "armi" });
+ map.put(INHERITED, new String[] { INHERITED });
+ map.put("Inscriptional_Pahlavi", new String[] { "phli" });
+ map.put("Inscriptional_Parthian", new String[] { "prti" });
+ map.put("Javanese", new String[] { "java" });
+ map.put("Kaithi", new String[] { "kthi" });
+ map.put("Kannada", new String[] { "knd2", "knda" });
+ map.put("Katakana", new String[] { "kana" });
+ map.put("Kayah_Li", new String[] { "kali" });
+ map.put("Kharoshthi", new String[] { "khar" });
+ map.put("Khmer", new String[] { "khmr" });
+ map.put("Khojki", new String[] { "khoj" });
+ map.put("Khudawadi", new String[] { "sind" });
+ map.put("Lao", new String[] { "lao " });
+ map.put("Latin", new String[] { "latn" });
+ map.put("Lepcha", new String[] { "lepc" });
+ map.put("Limbu", new String[] { "limb" });
+ map.put("Linear_A", new String[] { "lina" });
+ map.put("Linear_B", new String[] { "linb" });
+ map.put("Lisu", new String[] { "lisu" });
+ map.put("Lycian", new String[] { "lyci" });
+ map.put("Lydian", new String[] { "lydi" });
+ map.put("Mahajani", new String[] { "mahj" });
+ map.put("Malayalam", new String[] { "mlm2", "mlym" });
+ map.put("Mandaic", new String[] { "mand" });
+ map.put("Manichaean", new String[] { "mani" });
+ map.put("Marchen", new String[] { "marc" });
+ // Mathematical Alphanumeric Symbols: math
+ map.put("Meetei_Mayek", new String[] { "mtei" });
+ map.put("Mende_Kikakui", new String[] { "mend" });
+ map.put("Meroitic_Cursive", new String[] { "merc" });
+ map.put("Meroitic_Hieroglyphs", new String[] { "mero" });
+ map.put("Miao", new String[] { "plrd" });
+ map.put("Modi", new String[] { "modi" });
+ map.put("Mongolian", new String[] { "mong" });
+ map.put("Mro", new String[] { "mroo" });
+ map.put("Multani", new String[] { "mult" });
+ // Musical Symbols: musc
+ map.put("Myanmar", new String[] { "mym2", "mymr" });
+ map.put("Nabataean", new String[] { "nbat" });
+ map.put("Newa", new String[] { "newa" });
+ map.put("New_Tai_Lue", new String[] { "talu" });
+ map.put("Nko", new String[] { "nko " });
+ map.put("Ogham", new String[] { "ogam" });
+ map.put("Ol_Chiki", new String[] { "olck" });
+ map.put("Old_Italic", new String[] { "ital" });
+ map.put("Old_Hungarian", new String[] { "hung" });
+ map.put("Old_North_Arabian", new String[] { "narb" });
+ map.put("Old_Permic", new String[] { "perm" });
+ map.put("Old_Persian", new String[] { "xpeo" });
+ map.put("Old_South_Arabian", new String[] { "sarb" });
+ map.put("Old_Turkic", new String[] { "orkh" });
+ map.put("Oriya", new String[] { "ory2", "orya" }); // "Odia (formerly Oriya)" in OpenType
+ map.put("Osage", new String[] { "osge" });
+ map.put("Osmanya", new String[] { "osma" });
+ map.put("Pahawh_Hmong", new String[] { "hmng" });
+ map.put("Palmyrene", new String[] { "palm" });
+ map.put("Pau_Cin_Hau", new String[] { "pauc" });
+ map.put("Phags_Pa", new String[] { "phag" });
+ map.put("Phoenician", new String[] { "phnx" });
+ map.put("Psalter_Pahlavi", new String[] { "phlp" });
+ map.put("Rejang", new String[] { "rjng" });
+ map.put("Runic", new String[] { "runr" });
+ map.put("Samaritan", new String[] { "samr" });
+ map.put("Saurashtra", new String[] { "saur" });
+ map.put("Sharada", new String[] { "shrd" });
+ map.put("Shavian", new String[] { "shaw" });
+ map.put("Siddham", new String[] { "sidd" });
+ map.put("SignWriting", new String[] { "sgnw" });
+ map.put("Sinhala", new String[] { "sinh" });
+ map.put("Sora_Sompeng", new String[] { "sora" });
+ map.put("Sundanese", new String[] { "sund" });
+ map.put("Syloti_Nagri", new String[] { "sylo" });
+ map.put("Syriac", new String[] { "syrc" });
+ map.put("Tagalog", new String[] { "tglg" });
+ map.put("Tagbanwa", new String[] { "tagb" });
+ map.put("Tai_Le", new String[] { "tale" });
+ map.put("Tai_Tham", new String[] { "lana" });
+ map.put("Tai_Viet", new String[] { "tavt" });
+ map.put("Takri", new String[] { "takr" });
+ map.put("Tamil", new String[] { "tml2", "taml" });
+ map.put("Tangut", new String[] { "tang" });
+ map.put("Telugu", new String[] { "tel2", "telu" });
+ map.put("Thaana", new String[] { "thaa" });
+ map.put("Thai", new String[] { "thai" });
+ map.put("Tibetan", new String[] { "tibt" });
+ map.put("Tifinagh", new String[] { "tfng" });
+ map.put("Tirhuta", new String[] { "tirh" });
+ map.put("Ugaritic", new String[] { "ugar" });
+ map.put(UNKNOWN, new String[] { TAG_DEFAULT });
+ map.put("Vai", new String[] { "vai " });
+ map.put("Warang_Citi", new String[] { "wara" });
+ map.put("Yi", new String[] { "yi " });
+ UNICODE_SCRIPT_TO_OPENTYPE_TAG_MAP = map;
+ }
+
+ private static int[] unicodeRangeStarts;
+ private static String[] unicodeRangeScripts;
+
+ static
+ {
+ String path = "org/apache/fontbox/unicode/Scripts.txt";
+ InputStream input = null;
+ try
+ {
+ input = OpenTypeScript.class.getClassLoader().getResourceAsStream(path);
+ if (input != null)
+ {
+ parseScriptsFile(input);
+ }
+ else
+ {
+ LOG.warn("Could not find '" + path + "', mirroring char map will be empty: ");
+ }
+ }
+ catch (IOException e)
+ {
+ LOG.warn("Could not parse Scripts.txt, mirroring char map will be empty: "
+ + e.getMessage());
+ }
+ finally
+ {
+ if (input != null)
+ {
+ try
+ {
+ input.close();
+ }
+ catch (IOException ex)
+ {
+ LOG.warn("Could not close Scripts.txt");
+ }
+ }
+ }
+ }
+
+ private OpenTypeScript()
+ {
+ }
+
+ private static void parseScriptsFile(InputStream inputStream) throws IOException
+ {
+ Map<int[], String> unicodeRanges = new TreeMap<int[], String>(new Comparator<int[]>()
+ {
+ @Override
+ public int compare(int[] o1, int[] o2)
+ {
+ return o1[0] < o2[0] ? -1 : o1[0] == o2[0] ? 0 : 1;
+ };
+ });
+ LineNumberReader rd = new LineNumberReader(new InputStreamReader(inputStream));
+ int[] lastRange = { Integer.MIN_VALUE, Integer.MIN_VALUE };
+ String lastScript = null;
+ do
+ {
+ String s = rd.readLine();
+ if (s == null)
+ {
+ break;
+ }
+
+ // ignore comments
+ int comment = s.indexOf('#');
+ if (comment != -1)
+ {
+ s = s.substring(0, comment);
+ }
+
+ if (s.length() < 2)
+ {
+ continue;
+ }
+
+ StringTokenizer st = new StringTokenizer(s, ";");
+ int nFields = st.countTokens();
+ if (nFields < 2)
+ {
+ continue;
+ }
+ String characters = st.nextToken().trim();
+ String script = st.nextToken().trim();
+ int[] range = new int[2];
+ int rangeDelim = characters.indexOf("..");
+ if (rangeDelim == -1)
+ {
+ range[0] = range[1] = Integer.parseInt(characters, 16);
+ }
+ else
+ {
+ range[0] = Integer.parseInt(characters.substring(0, rangeDelim), 16);
+ range[1] = Integer.parseInt(characters.substring(rangeDelim + 2), 16);
+ }
+ if (range[0] == lastRange[1] + 1 && script.equals(lastScript))
+ {
+ // Combine with previous range
+ lastRange[1] = range[1];
+ }
+ else
+ {
+ unicodeRanges.put(range, script);
+ lastRange = range;
+ lastScript = script;
+ }
+ }
+ while (true);
+ rd.close();
+
+ unicodeRangeStarts = new int[unicodeRanges.size()];
+ unicodeRangeScripts = new String[unicodeRanges.size()];
+ int i = 0;
+ for (Entry<int[], String> e : unicodeRanges.entrySet())
+ {
+ unicodeRangeStarts[i] = e.getKey()[0];
+ unicodeRangeScripts[i] = e.getValue();
+ i++;
+ }
+ }
+
+ /**
+ * Obtain the Unicode script associated with the given Unicode codepoint.
+ *
+ * @param codePoint
+ * @return A Unicode script string, or {@code #UNKNOWN} if unknown
+ */
+ private static String getUnicodeScript(int codePoint)
+ {
+ ensureValidCodePoint(codePoint);
+ int type = Character.getType(codePoint);
+ if (type == Character.UNASSIGNED)
+ {
+ return UNKNOWN;
+ }
+ int scriptIndex = Arrays.binarySearch(unicodeRangeStarts, codePoint);
+ if (scriptIndex < 0)
+ {
+ scriptIndex = -scriptIndex - 2;
+ }
+ return unicodeRangeScripts[scriptIndex];
+ }
+
+ /**
+ * Obtain the OpenType script tags associated with the given Unicode codepoint.
+ *
+ * The result may contain the special value {@code #INHERITED}, which indicates that the
+ * codepoint's script can only be determined by its context.
+ *
+ * Unknown codepoints are mapped to {@code #TAG_DEFAULT}.
+ *
+ * @param codePoint
+ * @return An array of four-char script tags
+ */
+ public static String[] getScriptTags(int codePoint)
+ {
+ ensureValidCodePoint(codePoint);
+ String unicode = getUnicodeScript(codePoint);
+ return UNICODE_SCRIPT_TO_OPENTYPE_TAG_MAP.get(unicode);
+ }
+
+ private static void ensureValidCodePoint(int codePoint)
+ {
+ if (codePoint < Character.MIN_CODE_POINT || codePoint > Character.MAX_CODE_POINT)
+ {
+ throw new IllegalArgumentException("Invalid codepoint: " + codePoint);
+ }
+ }
+}
Propchange: pdfbox/branches/2.0/fontbox/src/main/java/org/apache/fontbox/ttf/OpenTypeScript.java
------------------------------------------------------------------------------
svn:eol-style = native