sem.rar_Windows编程

/* * %W% %G% * * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */ package sun.font; import java.awt.Font; import java.awt.GraphicsEnvironment; import java.awt.FontFormatException; import java.io.File; import java.security.AccessController; import java.security.PrivilegedAction; import java.util.ArrayList; import java.util.HashMap; import java.util.HashSet; import java.util.Hashtable; import java.util.Iterator; import java.util.Locale; import java.util.Map; import java.util.NoSuchElementException; import java.util.StringTokenizer; import java.util.TreeMap; import java.util.Vector; import java.util.concurrent.ConcurrentHashMap; import java.util.logging.Level; import java.util.logging.Logger; import javax.swing.plaf.FontUIResource; import sun.awt.AppContext; import sun.awt.FontConfiguration; import sun.awt.SunHints; import sun.awt.SunToolkit; import sun.java2d.FontSupport; import sun.java2d.HeadlessGraphicsEnvironment; import sun.java2d.SunGraphicsEnvironment; /* * Interface between Java Fonts (java.awt.Font) and the underlying * font files/native font resources and the Java and native font scalers. */ public final class FontManager { public static final int FONTFORMAT_NONE = -1; public static final int FONTFORMAT_TRUETYPE = 0; public static final int FONTFORMAT_TYPE1 = 1; public static final int FONTFORMAT_T2K = 2; public static final int FONTFORMAT_TTC = 3; public static final int FONTFORMAT_COMPOSITE = 4; public static final int FONTFORMAT_NATIVE = 5; public static final int NO_FALLBACK = 0; public static final int PHYSICAL_FALLBACK = 1; public static final int LOGICAL_FALLBACK = 2; public static final int QUADPATHTYPE = 1; public static final int CUBICPATHTYPE = 2; /* Pool of 20 font file channels chosen because some UTF-8 locale * composite fonts can use up to 16 platform fonts (including the * Lucida fall back). This should prevent channel thrashing when * dealing with one of these fonts. * The pool array stores the fonts, rather than directly referencing * the channels, as the font needs to do the open/close work. */ private static final int CHANNELPOOLSIZE = 20; private static int lastPoolIndex = 0; private static FileFont fontFileCache[] = new FileFont[CHANNELPOOLSIZE]; /* Need to implement a simple linked list scheme for fast * traversal and lookup. * Also want to "fast path" dialog so there's minimal overhead. */ /* There are at exactly 20 composite fonts: 5 faces (but some are not * usually different), in 4 styles. The array may be auto-expanded * later if more are needed, eg for user-defined composites or locale * variants. */ private static int maxCompFont = 0; private static CompositeFont [] compFonts = new CompositeFont[20]; private static Hashtable compositeFonts = new Hashtable(); private static Hashtable physicalFonts = new Hashtable(); private static ConcurrentHashMap<String, PhysicalFont> registeredFontFiles = new ConcurrentHashMap<String, PhysicalFont>(); /* given a full name find the Font. Remind: there's duplication * here in that this contains the content of compositeFonts + * physicalFonts. */ private static Hashtable fullNameToFont = new Hashtable(); /* TrueType fonts have localised names. Support searching all * of these before giving up on a name. */ private static HashMap localeFullNamesToFont; private static PhysicalFont defaultPhysicalFont; /* deprecated, unsupported hack - actually invokes a bug! */ private static boolean usePlatformFontMetrics = false; public static Logger logger = null; public static boolean logging; static boolean longAddresses; static String osName; static boolean useT2K; static boolean isWindows; static boolean isSolaris; public static boolean isSolaris8; // needed to check for JA wavedash fix. public static boolean isSolaris9; // needed to check for songti font usage. private static boolean loaded1dot0Fonts = false; static SunGraphicsEnvironment sgEnv; static boolean loadedAllFonts = false; static boolean loadedAllFontFiles = false; static TrueTypeFont eudcFont; static HashMap<String,String> jreFontMap; static HashSet<String> jreLucidaFontFiles; static String[] jreOtherFontFiles; static boolean noOtherJREFontFiles = false; // initial assumption. /* Hardwire the English names and expected file names of fonts * commonly used at start up. Avoiding until later even the small * cost of calling platform APIs to locate these can help. * The code that registers these fonts needs to "bail" if any * of the files do not exist, so it will verify the existence of * all non-null file names first. * They are added in to a map with nominally the first * word in the name of the family as the key. In all the cases * we are using the the family name is a single word, and as is * more or less required the family name is the initial sequence * in a full name. So lookup first finds the matching description, * then registers the whole family, returning the right font. */ public static class FamilyDescription { public String familyName; public String plainFullName; public String boldFullName; public String italicFullName; public String boldItalicFullName; public String plainFileName; public String boldFileName; public String italicFileName; public String boldItalicFileName; } static HashMap<String, FamilyDescription> platformFontMap; /* Used to indicate required return type from toArray(..); */ private static String[] STR_ARRAY = new String[0]; static { if (SunGraphicsEnvironment.debugFonts) { logger = Logger.getLogger("sun.java2d", null); logging = logger.getLevel() != Level.OFF; } /* Key is familyname+style value as an int. * Value is filename containing the font. * If no mapping exists, it means there is no font file for the style * If the mapping exists but the file doesn't exist in the deferred * list then it means its not installed. * This looks like a lot of code and strings but if it saves even * a single file being opened at JRE start-up there's a big payoff. * Lucida Sans is probably the only important case as the others * are rarely used. Consider removing the other mappings if there's * no evidence they are useful in practice. */ jreFontMap = new HashMap<String,String>(); /* Lucida Sans Family */ jreFontMap.put("lucida sans0", "LucidaSansRegular.ttf"); jreFontMap.put("lucida sans1", "LucidaSansDemiBold.ttf"); /* Lucida Sans full names (map Bold and DemiBold to same file) */ jreFontMap.put("lucida sans regular0", "LucidaSansRegular.ttf"); jreFontMap.put("lucida sans regular1", "LucidaSansDemiBold.ttf"); jreFontMap.put("lucida sans bold1", "LucidaSansDemiBold.ttf"); jreFontMap.put("lucida sans demibold1", "LucidaSansDemiBold.ttf"); /* Lucida Sans Typewriter Family */ jreFontMap.put("lucida sans typewriter0", "LucidaTypewriterRegular.ttf"); jreFontMap.put("lucida sans typewriter1", "LucidaTypewriterBold.ttf"); /* Typewriter full names (map Bold and DemiBold to same file) */ jreFontMap.put("lucida sans typewriter regular0", "LucidaTypewriter.ttf"); jreFontMap.put("lucida sans typewriter regular1", "LucidaTypewriterBold.ttf"); jreFontMap.put("lucida sans typewriter bold1", "LucidaTypewriterBold.ttf"); jreFontMap.put("lucida sans typewriter demibold1", "LucidaTypewriterBold.ttf"); /* Lucida Bright Family */ jreFontMap.put("lucida bright0", "LucidaBrightRegular.ttf"); jreFontMap.put("lucida bright1", "Lu