fontfactoryimp.java

源码包含生成 PDF 和 HTML 的类库

 * @param	encoding    the encoding of the font
 * @param       embedded    true if the font is to be embedded in the PDF
 * @return the Font constructed based on the parameters
 */
    
    public Font getFont(String fontname, String encoding, boolean embedded) {
        return getFont(fontname, encoding, embedded, Font.UNDEFINED, Font.UNDEFINED, null);
    }
    
/**
 * Constructs a <CODE>Font</CODE>-object.
 *
 * @param	fontname    the name of the font
 * @param	encoding    the encoding of the font
 * @param	size	    the size of this font
 * @param	style	    the style of this font
 * @param	color	    the <CODE>Color</CODE> of this font.
 * @return the Font constructed based on the parameters
 */
    
    public Font getFont(String fontname, String encoding, float size, int style, Color color) {
        return getFont(fontname, encoding, defaultEmbedding, size, style, color);
    }
    
/**
 * Constructs a <CODE>Font</CODE>-object.
 *
 * @param	fontname    the name of the font
 * @param	encoding    the encoding of the font
 * @param	size	    the size of this font
 * @param	style	    the style of this font
 * @return the Font constructed based on the parameters
 */
    
    public Font getFont(String fontname, String encoding, float size, int style) {
        return getFont(fontname, encoding, defaultEmbedding, size, style, null);
    }
    
/**
 * Constructs a <CODE>Font</CODE>-object.
 *
 * @param	fontname    the name of the font
 * @param	encoding    the encoding of the font
 * @param	size	    the size of this font
 * @return the Font constructed based on the parameters
 */
    
    public Font getFont(String fontname, String encoding, float size) {
        return getFont(fontname, encoding, defaultEmbedding, size, Font.UNDEFINED, null);
    }
    

/**
 * Constructs a <CODE>Font</CODE>-object.
 *
 * @param	fontname    the name of the font
 * @param	size	    the size of this font
 * @param	color	    the <CODE>Color</CODE> of this font.
 * @return the Font constructed based on the parameters
 * @since 2.1.0
 */
    
    public Font getFont(String fontname, float size, Color color) {
        return getFont(fontname, defaultEncoding, defaultEmbedding, size, Font.UNDEFINED, color);
    }
    
/**
 * Constructs a <CODE>Font</CODE>-object.
 *
 * @param	fontname    the name of the font
 * @param	encoding    the encoding of the font
 * @return the Font constructed based on the parameters
 */
    
    public Font getFont(String fontname, String encoding) {
        return getFont(fontname, encoding, defaultEmbedding, Font.UNDEFINED, Font.UNDEFINED, null);
    }
    
/**
 * Constructs a <CODE>Font</CODE>-object.
 *
 * @param	fontname    the name of the font
 * @param	size	    the size of this font
 * @param	style	    the style of this font
 * @param	color	    the <CODE>Color</CODE> of this font.
 * @return the Font constructed based on the parameters
 */
    
    public Font getFont(String fontname, float size, int style, Color color) {
        return getFont(fontname, defaultEncoding, defaultEmbedding, size, style, color);
    }
    
/**
 * Constructs a <CODE>Font</CODE>-object.
 *
 * @param	fontname    the name of the font
 * @param	size	    the size of this font
 * @param	style	    the style of this font
 * @return the Font constructed based on the parameters
 */
    
    public Font getFont(String fontname, float size, int style) {
        return getFont(fontname, defaultEncoding, defaultEmbedding, size, style, null);
    }
    
/**
 * Constructs a <CODE>Font</CODE>-object.
 *
 * @param	fontname    the name of the font
 * @param	size	    the size of this font
 * @return the Font constructed based on the parameters
 */
    
    public Font getFont(String fontname, float size) {
        return getFont(fontname, defaultEncoding, defaultEmbedding, size, Font.UNDEFINED, null);
    }
    
/**
 * Constructs a <CODE>Font</CODE>-object.
 *
 * @param	fontname    the name of the font
 * @return the Font constructed based on the parameters
 */
    
    public Font getFont(String fontname) {
        return getFont(fontname, defaultEncoding, defaultEmbedding, Font.UNDEFINED, Font.UNDEFINED, null);
    }
    
    /**
     * Register a font by giving explicitly the font family and name.
     * @param familyName the font family
     * @param fullName the font name
     * @param path the font path
     */
    public void registerFamily(String familyName, String fullName, String path) {
        if (path != null)
            trueTypeFonts.setProperty(fullName, path);
        ArrayList tmp = (ArrayList) fontFamilies.get(familyName);
        if (tmp == null) {
            tmp = new ArrayList();
            tmp.add(fullName);
            fontFamilies.put(familyName, tmp);
        }
        else {
            int fullNameLength = fullName.length();
            boolean inserted = false;
            for (int j = 0; j < tmp.size(); ++j) {
                if (((String)tmp.get(j)).length() >= fullNameLength) {
                    tmp.add(j, fullName);
                    inserted = true;
                    break;
                }
            }
            if (!inserted)
                tmp.add(fullName);
        }
    }
    
/**
 * Register a ttf- or a ttc-file.
 *
 * @param   path    the path to a ttf- or ttc-file
 */
    
    public void register(String path) {
        register(path, null);
    }
    
/**
 * Register a font file and use an alias for the font contained in it.
 *
 * @param   path    the path to a font file
 * @param   alias   the alias you want to use for the font
 */
    
    public void register(String path, String alias) {
        try {
            if (path.toLowerCase().endsWith(".ttf") || path.toLowerCase().endsWith(".otf") || path.toLowerCase().indexOf(".ttc,") > 0) {
                Object allNames[] = BaseFont.getAllFontNames(path, BaseFont.WINANSI, null);
                trueTypeFonts.setProperty(((String)allNames[0]).toLowerCase(), path);
                if (alias != null) {
                    trueTypeFonts.setProperty(alias.toLowerCase(), path);
                }
                // register all the font names with all the locales
                String[][] names = (String[][])allNames[2]; //full name
                for (int i = 0; i < names.length; i++) {
                    trueTypeFonts.setProperty(names[i][3].toLowerCase(), path);
                }
                String fullName = null;
                String familyName = null;
                names = (String[][])allNames[1]; //family name
                for (int k = 0; k < TTFamilyOrder.length; k += 3) {
                    for (int i = 0; i < names.length; i++) {
                        if (TTFamilyOrder[k].equals(names[i][0]) && TTFamilyOrder[k + 1].equals(names[i][1]) && TTFamilyOrder[k + 2].equals(names[i][2])) {
                            familyName = names[i][3].toLowerCase();
                            k = TTFamilyOrder.length;
                            break;
                        }
                    }
                }
                if (familyName != null) {
                    String lastName = "";
                    names = (String[][])allNames[2]; //full name
                    for (int i = 0; i < names.length; i++) {
                        for (int k = 0; k < TTFamilyOrder.length; k += 3) {
                            if (TTFamilyOrder[k].equals(names[i][0]) && TTFamilyOrder[k + 1].equals(names[i][1]) && TTFamilyOrder[k + 2].equals(names[i][2])) {
                                fullName = names[i][3];
                                if (fullName.equals(lastName))
                                    continue;
                                lastName = fullName;
                                registerFamily(familyName, fullName, null);
                                break;
                            }
                        }
                    }
                }
            }
            else if (path.toLowerCase().endsWith(".ttc")) {
                if (alias != null)
                    System.err.println("class FontFactory: You can't define an alias for a true type collection.");
                String[] names = BaseFont.enumerateTTCNames(path);
                for (int i = 0; i < names.length; i++) {
                    register(path + "," + i);
                }
            }
            else if (path.toLowerCase().endsWith(".afm") || path.toLowerCase().endsWith(".pfm")) {
                BaseFont bf = BaseFont.createFont(path, BaseFont.CP1252, false);
                String fullName = bf.getFullFontName()[0][3].toLowerCase();
                String familyName = bf.getFamilyFontName()[0][3].toLowerCase();
                String psName = bf.getPostscriptFontName().toLowerCase();
                registerFamily(familyName, fullName, null);
                trueTypeFonts.setProperty(psName, path);
                trueTypeFonts.setProperty(fullName, path);
            }
        }
        catch(DocumentException de) {
            // this shouldn't happen
            throw new ExceptionConverter(de);
        }
        catch(IOException ioe) {
            throw new ExceptionConverter(ioe);
        }
    }

    /** Register all the fonts in a directory.
     * @param dir the directory
     * @return the number of fonts registered
     */    
    public int registerDirectory(String dir) {
        return registerDirectory(dir, false);
    }

    /**
     * Register all the fonts in a directory and possibly its subdirectories.
     * @param dir the directory
     * @param scanSubdirectories recursively scan subdirectories if <code>true</true>
     * @return the number of fonts registered
     * @since 2.1.2
     */
    public int registerDirectory(String dir, boolean scanSubdirectories) {
        int count = 0;
        try {
            File file = new File(dir);
            if (!file.exists() || !file.isDirectory())
                return 0;
            String files[] = file.list();
            if (files == null)
                return 0;
            for (int k = 0; k < files.length; ++k) {
                try {
                    file = new File(dir, files[k]);
                    if (file.isDirectory()) {
                        if (scanSubdirectories) {
                            count += registerDirectory(file.getAbsolutePath(), true);
                        }
                    } else {
                        String name = file.getPath();
                        String suffix = name.length() < 4 ? null : name.substring(name.length() - 4).toLowerCase();
                        if (".afm".equals(suffix) || ".pfm".equals(suffix)) {
                            /* Only register Type 1 fonts with matching .pfb files */
                            File pfb = new File(name.substring(0, name.length() - 4) + ".pfb");
                            if (pfb.exists()) {
                                register(name, null);
                                ++count;
                            }
                        } else if (".ttf".equals(suffix) || ".otf".equals(suffix) || ".ttc".equals(suffix)) {
                            register(name, null);
                            ++count;
                        }
                    }
                }
                catch (Exception e) {
                    //empty on purpose
                }
            }
        }
        catch (Exception e) {
            //empty on purpose
        }
        return count;
    }

    /** Register fonts in some probable directories. It usually works in Windows,
     * Linux and Solaris.
     * @return the number of fonts registered
     */    
    public int registerDirectories() {
        int count = 0;
        count += registerDirectory("c:/windows/fonts");
        count += registerDirectory("c:/winnt/fonts");
        count += registerDirectory("d:/windows/fonts");
        count += registerDirectory("d:/winnt/fonts");
        count += registerDirectory("/usr/share/X11/fonts", true);
        count += registerDirectory("/usr/X/lib/X11/fonts", true);
        count += registerDirectory("/usr/openwin/lib/X11/fonts", true);
        count += registerDirectory("/usr/share/fonts", true);
        count += registerDirectory("/usr/X11R6/lib/X11/fonts", true);
        count += registerDirectory("/Library/Fonts");
        count += registerDirectory("/System/Library/Fonts");
        return count;
    }

/**
 * Gets a set of registered fontnames.
 * @return a set of registered fonts
 */
    
    public Set getRegisteredFonts() {
        return Utilities.getKeySet(trueTypeFonts);
    }
    
/**
 * Gets a set of registered fontnames.
 * @return a set of registered font families
 */
    
    public Set getRegisteredFamilies() {
        return Utilities.getKeySet(fontFamilies);
    }
    
/**
 * Checks if a certain font is registered.
 *
 * @param   fontname    the name of the font that has to be checked.
 * @return  true if the font is found
 */
    public boolean isRegistered(String fontname) {
        return trueTypeFonts.containsKey(fontname.toLowerCase());
    }
}