fontfactory.java

iText可以制作中文PDF文件的JAVA源程序

                    Object o = e.nextElement();
                    attributes.put(o, styleAttributes.get(o));
                }
            }
        }
        if ((value = (String)attributes.remove(ElementTags.ENCODING)) != null) {
            encoding = value;
        }
        if ("false".equals((String) attributes.remove(ElementTags.EMBEDDED))) {
            embedded = false;
        }
        if ((value = (String)attributes.remove(ElementTags.FONT)) != null) {
            fontname = value;
        }
        if ((value = (String)attributes.remove(ElementTags.SIZE)) != null) {
            size = Float.valueOf(value + "f").floatValue();
        }
        if ((value = (String)attributes.remove(MarkupTags.STYLE)) != null) {
            style |= Font.getStyleValue(value);
        }
        if ((value = (String)attributes.remove(ElementTags.STYLE)) != null) {
            style |= Font.getStyleValue(value);
        }
        String r = (String)attributes.remove(ElementTags.RED);
        String g = (String)attributes.remove(ElementTags.GREEN);
        String b = (String)attributes.remove(ElementTags.BLUE);
        if (r != null || g != null || b != null) {
            int red = 0;
            int green = 0;
            int blue = 0;
            if (r != null) red = Integer.parseInt(r);
            if (g != null) green = Integer.parseInt(g);
            if (b != null) blue = Integer.parseInt(b);
            color = new Color(red, green, blue);
        }
        else if ((value = (String)attributes.remove(ElementTags.COLOR)) != null) {
            color = MarkupParser.decodeColor(value);
        }
        if (fontname == null) {
            return getFont(null, encoding, embedded, size, style, color);
        }
        return getFont(fontname, encoding, embedded, size, style, color);
    }
    
/**
 * Constructs a <CODE>Font</CODE>-object.
 *
 * @param	fontname    the name of the font
 * @param	encoding    the encoding of the font
 * @param       embedded    true if the font is to be embedded in the PDF
 * @param	size	    the size of this font
 * @param	style	    the style of this font
 */
    
    public static Font getFont(String fontname, String encoding, boolean embedded, float size, int style) {
        return getFont(fontname, encoding, embedded, size, style, null);
    }
    
/**
 * Constructs a <CODE>Font</CODE>-object.
 *
 * @param	fontname    the name of the font
 * @param	encoding    the encoding of the font
 * @param       embedded    true if the font is to be embedded in the PDF
 * @param	size	    the size of this font
 */
    
    public static Font getFont(String fontname, String encoding, boolean embedded, float size) {
        return getFont(fontname, encoding, embedded, size, Font.UNDEFINED, null);
    }
    
/**
 * Constructs a <CODE>Font</CODE>-object.
 *
 * @param	fontname    the name of the font
 * @param	encoding    the encoding of the font
 * @param       embedded    true if the font is to be embedded in the PDF
 */
    
    public static 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.
 */
    
    public static 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
 */
    
    public static 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
 */
    
    public static 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	encoding    the encoding of the font
 */
    
    public static 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.
 */
    
    public static 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
 */
    
    public static 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
 */
    
    public static 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
 */
    
    public static Font getFont(String fontname) {
        return getFont(fontname, defaultEncoding, defaultEmbedding, Font.UNDEFINED, Font.UNDEFINED, null);
    }
    
/**
 * Register a ttf- or a ttc-file.
 *
 * @param   path    the path to a ttf- or ttc-file
 */
    
    public static void register(String path) {
        register(path, null);
    }
    
/**
 * Register a ttf- or a ttc-file and use an alias for the font contained in the ttf-file.
 *
 * @param   path    the path to a ttf- or ttc-file
 * @param   alias   the alias you want to use for the font
 */
    
    public static void register(String path, String alias) {
        try {
            if (path.toLowerCase().endsWith(".ttf")) {
                BaseFont bf = BaseFont.createFont(path, BaseFont.WINANSI, false, false, null, null);
                trueTypeFonts.setProperty(bf.getPostscriptFontName(), path);
                if (alias != null) {
                    trueTypeFonts.setProperty(alias, path);
                }
                String fullName = null;
                String familyName = null;
                String[][] names = bf.getFullFontName();
                for (int i = 0; i < names.length; i++) {
                    if ("0".equals(names[i][2])) {
                        fullName = names[i][3];
                        trueTypeFonts.setProperty(fullName, path);
                        break;
                    }
                }
                if (fullName != null) {
                    names = bf.getFamilyFontName();
                    for (int i = 0; i < names.length; i++) {
                        if ("0".equals(names[i][2])) {
                            familyName = names[i][3];
                            HashSet tmp = (HashSet) fontFamilies.get(familyName);
                            if (tmp == null) {
                                tmp = new HashSet();
                            }
                            tmp.add(fullName);
                            fontFamilies.put(familyName, tmp);
                            break;
                        }
                    }
                }
            }
            else if (path.toLowerCase().endsWith(".ttc")) {
                String[] names = BaseFont.enumerateTTCNames(path);
                for (int i = 0; i < names.length; i++) {
                    trueTypeFonts.setProperty(names[i], path + "," + (i + 1));
                }
                if (alias != null) {
                    System.err.println("class FontFactory: You can't define an alias for a true type collection.");
                }
            }
        }
        catch(DocumentException de) {
            // this shouldn't happen
            throw new ExceptionConverter(de);
        }
        catch(IOException ioe) {
            throw new ExceptionConverter(ioe);
        }
    }
    
/**
 * Gets a set of registered fontnames.
 */
    
    public static Set getRegisteredFonts() {
        return Chunk.getKeySet(trueTypeFonts);
    }
    
/**
 * Gets a set of registered fontnames.
 */
    
    public static Set getRegisteredFamilies() {
        return Chunk.getKeySet(fontFamilies);
    }
    
/**
 * Gets a set of registered fontnames.
 */
    
    public static boolean contains(String fontname) {
        return trueTypeFonts.containsKey(fontname);
    }
    
/**
 * 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 static boolean isRegistered(String fontname) {
        String tmp;
        for (Enumeration e = trueTypeFonts.propertyNames(); e.hasMoreElements(); ) {
            tmp = (String) e.nextElement();
            if (fontname.equalsIgnoreCase(tmp)) {
                return true;
            }
        }
        return false;
    }
}