Source Code Cross Referenced for GPlatformFont.java in  » 6.0-JDK-Modules » j2me » sun » awt » gtk » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » sun.awt.gtk 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * %W% %E%
003:         *
004:         * Copyright  1990-2006 Sun Microsystems, Inc. All Rights Reserved.
005:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
006:         * 
007:         * This program is free software; you can redistribute it and/or
008:         * modify it under the terms of the GNU General Public License version
009:         * 2 only, as published by the Free Software Foundation. 
010:         * 
011:         * This program is distributed in the hope that it will be useful, but
012:         * WITHOUT ANY WARRANTY; without even the implied warranty of
013:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014:         * General Public License version 2 for more details (a copy is
015:         * included at /legal/license.txt). 
016:         * 
017:         * You should have received a copy of the GNU General Public License
018:         * version 2 along with this work; if not, write to the Free Software
019:         * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
020:         * 02110-1301 USA 
021:         * 
022:         * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
023:         * Clara, CA 95054 or visit www.sun.com if you need additional
024:         * information or have any questions. 
025:         *
026:         */
027:
028:        /**
029:         * GPlatformFont.java
030:         *
031:         */package sun.awt.gtk;
032:
033:        import sun.awt.peer.FontPeer;
034:        import java.awt.Font;
035:        import java.awt.FontMetrics;
036:        import java.awt.Toolkit;
037:        import java.util.*;
038:
039:        import sun.awt.PlatformFont;
040:        import sun.awt.FontDescriptor;
041:        import sun.awt.CharsetString;
042:        import sun.io.CharToByteConverter;
043:
044:        class GPlatformFont extends PlatformFont {
045:
046:            private static final String DEFAULT_NATIVE_FONT_NAME = "-adobe-courier-medium-r-normal--0-%d-0-0-m-0-iso8859-1";
047:            private static String defaultNativeFontName = null;
048:
049:            private HashMap fontDescriptorToGdkFont = new HashMap(20);
050:
051:            private native int init(String gdkFontName, int size);
052:
053:            int ascent, descent;
054:
055:            GPlatformFont(String name, int style, int size) {
056:                super (name, style);
057:
058:                for (int i = 0; i < componentFonts.length; i++) {
059:                    int gdkfont = init(getNativeName(componentFonts[i]), size);
060:                    fontDescriptorToGdkFont.put(componentFonts[i], new Integer(
061:                            gdkfont));
062:                }
063:
064:            }
065:
066:            GPlatformFont(int gdkFont) {
067:                componentFonts = new FontDescriptor[1];
068:                componentFonts[0] = new FontDescriptor("SystemAssigned", null,
069:                        null);
070:                fontDescriptorToGdkFont.put(componentFonts[0], new Integer(
071:                        gdkFont));
072:            }
073:
074:            int getGdkFont(FontDescriptor fd) {
075:                Integer gdkFont = (Integer) (fontDescriptorToGdkFont.get(fd));
076:                return gdkFont != null ? gdkFont.intValue() : 0;
077:            }
078:
079:            boolean containsGdkFont(int gdkFont) {
080:                Iterator i = fontDescriptorToGdkFont.entrySet().iterator();
081:                while (i.hasNext()) {
082:                    Map.Entry entry = (Map.Entry) i.next();
083:                    Integer peer = (Integer) entry.getValue();
084:                    if (GFontPeer.areFontsTheSame(gdkFont, peer.intValue()))
085:                        return true;
086:                }
087:
088:                return false;
089:            }
090:
091:            protected CharToByteConverter getFontCharset(String charsetName,
092:                    String fontName) {
093:                System.out.println("GPLATFORMFONT: (cn) :" + charsetName);
094:                System.out.println("GPLATFORMFONT: (fn) :" + fontName);
095:
096:                if (!charsetName.equalsIgnoreCase("default")) {
097:                    try {
098:                        return ((sun.io.CharToByteConverter) (Class
099:                                .forName(charsetName)).newInstance());
100:                    } catch (Exception e) {
101:                        System.err.println("Can't find an encoder for "
102:                                + charsetName + " " + e);
103:                    }
104:                }
105:
106:                return CharToByteConverter.getDefault();
107:
108:            }
109:
110:            static String[] getAvailableFontFamilyNames() {
111:
112:                /* Call the static version in GPlatformFont */
113:
114:                List fontNames = new ArrayList();
115:                Iterator fonts = fprops.keySet().iterator();
116:                int dotidx;
117:                while (fonts.hasNext()) {
118:                    String fontName = (String) fonts.next();
119:                    if ((dotidx = fontName.indexOf('.')) == -1)
120:                        dotidx = fontName.length();
121:                    fontName = fontName.substring(0, dotidx);
122:                    if (!fontNames.contains(fontName))
123:                        fontNames.add(fontName);
124:                }
125:                if (!fontNames.contains("default"))
126:                    fontNames.add("default");
127:                return (String[]) fontNames
128:                        .toArray(new String[fontNames.size()]);
129:            }
130:
131:            /* Given the name and style of a font this method will detrmine the fontset name
132:            that needs to be loaded by gdk_font_load. */
133:
134:            static String getNativeFontName(String name, int style) {
135:
136:                /* Call the static version in GPlatformFont */
137:
138:                String nativeName;
139:                name = name.toLowerCase();
140:                nativeName = fprops.getProperty(name + "." + style);
141:                if (nativeName == null) {
142:                    // Check if plain version exists
143:
144:                    nativeName = fprops.getProperty(name + ".0");
145:
146:                    // Get the default native font name from a system property if
147:                    //   exists as a system property
148:                    if (nativeName == null) {
149:                        if (defaultNativeFontName == null) {
150:                            String fontNameTmp = System
151:                                    .getProperty("j2me.pp.gtk.default.font");
152:                            if (fontNameTmp == null) {
153:                                defaultNativeFontName = DEFAULT_NATIVE_FONT_NAME;
154:                            } else {
155:                                defaultNativeFontName = fontNameTmp;
156:                            }
157:                        }
158:                        nativeName = defaultNativeFontName;
159:                    }
160:                }
161:                return nativeName;
162:            }
163:
164:        }
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