J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1997-2006 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package sun.awt; |
| 27 | |
| 28 | import java.awt.GraphicsDevice; |
| 29 | import java.awt.GraphicsEnvironment; |
| 30 | import java.awt.Toolkit; |
| 31 | import java.io.File; |
| 32 | import java.io.IOException; |
| 33 | import java.lang.ref.WeakReference; |
| 34 | import java.util.ArrayList; |
| 35 | import java.util.ListIterator; |
| 36 | import java.util.NoSuchElementException; |
| 37 | import java.util.StringTokenizer; |
| 38 | import sun.awt.DisplayChangedListener; |
| 39 | import sun.awt.SunDisplayChanger; |
| 40 | import sun.awt.windows.WFontConfiguration; |
| 41 | import sun.awt.windows.WPrinterJob; |
| 42 | import sun.awt.windows.WToolkit; |
| 43 | import sun.font.FontManager; |
| 44 | import sun.java2d.SunGraphicsEnvironment; |
| 45 | import sun.java2d.windows.WindowsFlags; |
| 46 | |
| 47 | /** |
| 48 | * This is an implementation of a GraphicsEnvironment object for the |
| 49 | * default local GraphicsEnvironment used by the Java Runtime Environment |
| 50 | * for Windows. |
| 51 | * |
| 52 | * @see GraphicsDevice |
| 53 | * @see GraphicsConfiguration |
| 54 | */ |
| 55 | |
| 56 | public class Win32GraphicsEnvironment |
| 57 | extends SunGraphicsEnvironment |
| 58 | { |
| 59 | static { |
| 60 | // Ensure awt is loaded already. Also, this forces static init |
| 61 | // of WToolkit and Toolkit, which we depend upon |
| 62 | WToolkit.loadLibraries(); |
| 63 | // setup flags before initializing native layer |
| 64 | WindowsFlags.initFlags(); |
| 65 | initDisplayWrapper(); |
| 66 | eudcFontFileName = getEUDCFontFile(); |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * Noop function that just acts as an entry point for someone to force |
| 71 | * a static initialization of this class. |
| 72 | */ |
| 73 | public static void init() {} |
| 74 | |
| 75 | /** |
| 76 | * Initializes native components of the graphics environment. This |
| 77 | * includes everything from the native GraphicsDevice elements to |
| 78 | * the DirectX rendering layer. |
| 79 | */ |
| 80 | private static native void initDisplay(); |
| 81 | |
| 82 | private static boolean displayInitialized; // = false; |
| 83 | public static void initDisplayWrapper() { |
| 84 | if (!displayInitialized) { |
| 85 | displayInitialized = true; |
| 86 | initDisplay(); |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | public Win32GraphicsEnvironment() { |
| 91 | } |
| 92 | |
| 93 | protected native int getNumScreens(); |
| 94 | protected native int getDefaultScreen(); |
| 95 | |
| 96 | public GraphicsDevice getDefaultScreenDevice() { |
| 97 | return getScreenDevices()[getDefaultScreen()]; |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Returns the number of pixels per logical inch along the screen width. |
| 102 | * In a system with multiple display monitors, this value is the same for |
| 103 | * all monitors. |
| 104 | * @returns number of pixels per logical inch in X direction |
| 105 | */ |
| 106 | public native int getXResolution(); |
| 107 | /** |
| 108 | * Returns the number of pixels per logical inch along the screen height. |
| 109 | * In a system with multiple display monitors, this value is the same for |
| 110 | * all monitors. |
| 111 | * @returns number of pixels per logical inch in Y direction |
| 112 | */ |
| 113 | public native int getYResolution(); |
| 114 | |
| 115 | |
| 116 | /* |
| 117 | * ----DISPLAY CHANGE SUPPORT---- |
| 118 | */ |
| 119 | |
| 120 | // list of invalidated graphics devices (those which were removed) |
| 121 | private ArrayList<WeakReference<Win32GraphicsDevice>> oldDevices; |
| 122 | /* |
| 123 | * From DisplayChangeListener interface. |
| 124 | * Called from WToolkit and executed on the event thread when the |
| 125 | * display settings are changed. |
| 126 | */ |
| 127 | @Override |
| 128 | public void displayChanged() { |
| 129 | // getNumScreens() will return the correct current number of screens |
| 130 | GraphicsDevice newDevices[] = new GraphicsDevice[getNumScreens()]; |
| 131 | GraphicsDevice oldScreens[] = screens; |
| 132 | // go through the list of current devices and determine if they |
| 133 | // could be reused, or will have to be replaced |
| 134 | if (oldScreens != null) { |
| 135 | for (int i = 0; i < oldScreens.length; i++) { |
| 136 | if (!(screens[i] instanceof Win32GraphicsDevice)) { |
| 137 | // REMIND: can we ever have anything other than Win32GD? |
| 138 | assert (false) : oldScreens[i]; |
| 139 | continue; |
| 140 | } |
| 141 | Win32GraphicsDevice gd = (Win32GraphicsDevice)oldScreens[i]; |
| 142 | // devices may be invalidated from the native code when the |
| 143 | // display change happens (device add/removal also causes a |
| 144 | // display change) |
| 145 | if (!gd.isValid()) { |
| 146 | if (oldDevices == null) { |
| 147 | oldDevices = |
| 148 | new ArrayList<WeakReference<Win32GraphicsDevice>>(); |
| 149 | } |
| 150 | oldDevices.add(new WeakReference<Win32GraphicsDevice>(gd)); |
| 151 | } else if (i < newDevices.length) { |
| 152 | // reuse the device |
| 153 | newDevices[i] = gd; |
| 154 | } |
| 155 | } |
| 156 | oldScreens = null; |
| 157 | } |
| 158 | // create the new devices (those that weren't reused) |
| 159 | for (int i = 0; i < newDevices.length; i++) { |
| 160 | if (newDevices[i] == null) { |
| 161 | newDevices[i] = makeScreenDevice(i); |
| 162 | } |
| 163 | } |
| 164 | // install the new array of devices |
| 165 | // Note: no synchronization here, it doesn't matter if a thread gets |
| 166 | // a new or an old array this time around |
| 167 | screens = newDevices; |
| 168 | for (GraphicsDevice gd : screens) { |
| 169 | if (gd instanceof DisplayChangedListener) { |
| 170 | ((DisplayChangedListener)gd).displayChanged(); |
| 171 | } |
| 172 | } |
| 173 | // re-invalidate all old devices. It's needed because those in the list |
| 174 | // may become "invalid" again - if the current default device is removed, |
| 175 | // for example. Also, they need to be notified about display |
| 176 | // changes as well. |
| 177 | if (oldDevices != null) { |
| 178 | int defScreen = getDefaultScreen(); |
| 179 | for (ListIterator<WeakReference<Win32GraphicsDevice>> it = |
| 180 | oldDevices.listIterator(); it.hasNext();) |
| 181 | { |
| 182 | Win32GraphicsDevice gd = it.next().get(); |
| 183 | if (gd != null) { |
| 184 | gd.invalidate(defScreen); |
| 185 | gd.displayChanged(); |
| 186 | } else { |
| 187 | // no more references to this device, remove it |
| 188 | it.remove(); |
| 189 | } |
| 190 | } |
| 191 | } |
| 192 | // Reset the static GC for the (possibly new) default screen |
| 193 | WToolkit.resetGC(); |
| 194 | |
| 195 | // notify SunDisplayChanger list (e.g. VolatileSurfaceManagers and |
| 196 | // CachingSurfaceManagers) about the display change event |
| 197 | displayChanger.notifyListeners(); |
| 198 | // note: do not call super.displayChanged, we've already done everything |
| 199 | } |
| 200 | |
| 201 | |
| 202 | /* |
| 203 | * ----END DISPLAY CHANGE SUPPORT---- |
| 204 | */ |
| 205 | |
| 206 | /* Used on Windows to obtain from the windows registry the name |
| 207 | * of a file containing the system EUFC font. If running in one of |
| 208 | * the locales for which this applies, and one is defined, the font |
| 209 | * defined by this file is appended to all composite fonts as a |
| 210 | * fallback component. |
| 211 | */ |
| 212 | private static native String getEUDCFontFile(); |
| 213 | |
| 214 | /** |
| 215 | * Whether registerFontFile expects absolute or relative |
| 216 | * font file names. |
| 217 | */ |
| 218 | protected boolean useAbsoluteFontFileNames() { |
| 219 | return false; |
| 220 | } |
| 221 | |
| 222 | /* Unlike the shared code version, this expects a base file name - |
| 223 | * not a full path name. |
| 224 | * The font configuration file has base file names and the FontConfiguration |
| 225 | * class reports these back to the GraphicsEnvironment, so these |
| 226 | * are the componentFileNames of CompositeFonts. |
| 227 | */ |
| 228 | protected void registerFontFile(String fontFileName, String[] nativeNames, |
| 229 | int fontRank, boolean defer) { |
| 230 | |
| 231 | // REMIND: case compare depends on platform |
| 232 | if (registeredFontFiles.contains(fontFileName)) { |
| 233 | return; |
| 234 | } |
| 235 | registeredFontFiles.add(fontFileName); |
| 236 | |
| 237 | int fontFormat; |
| 238 | if (ttFilter.accept(null, fontFileName)) { |
| 239 | fontFormat = FontManager.FONTFORMAT_TRUETYPE; |
| 240 | } else if (t1Filter.accept(null, fontFileName)) { |
| 241 | fontFormat = FontManager.FONTFORMAT_TYPE1; |
| 242 | } else { |
| 243 | /* on windows we don't use/register native fonts */ |
| 244 | return; |
| 245 | } |
| 246 | |
| 247 | if (fontPath == null) { |
| 248 | fontPath = getPlatformFontPath(noType1Font); |
| 249 | } |
| 250 | |
| 251 | /* Look in the JRE font directory first. |
| 252 | * This is playing it safe as we would want to find fonts in the |
| 253 | * JRE font directory ahead of those in the system directory |
| 254 | */ |
| 255 | String tmpFontPath = jreFontDirName+File.pathSeparator+fontPath; |
| 256 | StringTokenizer parser = new StringTokenizer(tmpFontPath, |
| 257 | File.pathSeparator); |
| 258 | |
| 259 | boolean found = false; |
| 260 | try { |
| 261 | while (!found && parser.hasMoreTokens()) { |
| 262 | String newPath = parser.nextToken(); |
| 263 | File theFile = new File(newPath, fontFileName); |
| 264 | if (theFile.canRead()) { |
| 265 | found = true; |
| 266 | String path = theFile.getAbsolutePath(); |
| 267 | if (defer) { |
| 268 | FontManager.registerDeferredFont(fontFileName, path, |
| 269 | nativeNames, |
| 270 | fontFormat, true, |
| 271 | fontRank); |
| 272 | } else { |
| 273 | FontManager.registerFontFile(path, nativeNames, |
| 274 | fontFormat, true, |
| 275 | fontRank); |
| 276 | } |
| 277 | break; |
| 278 | } |
| 279 | } |
| 280 | } catch (NoSuchElementException e) { |
| 281 | System.err.println(e); |
| 282 | } |
| 283 | if (!found) { |
| 284 | addToMissingFontFileList(fontFileName); |
| 285 | } |
| 286 | } |
| 287 | |
| 288 | /* register only TrueType/OpenType fonts |
| 289 | * Because these need to be registed just for use when printing, |
| 290 | * we defer the actual registration and the static initialiser |
| 291 | * for the printing class makes the call to registerJREFontsForPrinting() |
| 292 | */ |
| 293 | static String fontsForPrinting = null; |
| 294 | protected void registerJREFontsWithPlatform(String pathName) { |
| 295 | fontsForPrinting = pathName; |
| 296 | } |
| 297 | |
| 298 | public static void registerJREFontsForPrinting() { |
| 299 | String pathName = null; |
| 300 | synchronized (Win32GraphicsEnvironment.class) { |
| 301 | GraphicsEnvironment.getLocalGraphicsEnvironment(); |
| 302 | if (fontsForPrinting == null) { |
| 303 | return; |
| 304 | } |
| 305 | pathName = fontsForPrinting; |
| 306 | fontsForPrinting = null; |
| 307 | } |
| 308 | File f1 = new File(pathName); |
| 309 | String[] ls = f1.list(new TTFilter()); |
| 310 | if (ls == null) { |
| 311 | return; |
| 312 | } |
| 313 | for (int i=0; i <ls.length; i++ ) { |
| 314 | File fontFile = new File(f1, ls[i]); |
| 315 | registerFontWithPlatform(fontFile.getAbsolutePath()); |
| 316 | } |
| 317 | } |
| 318 | |
| 319 | protected static native void registerFontWithPlatform(String fontName); |
| 320 | |
| 321 | protected static native void deRegisterFontWithPlatform(String fontName); |
| 322 | |
| 323 | protected GraphicsDevice makeScreenDevice(int screennum) { |
| 324 | return new Win32GraphicsDevice(screennum); |
| 325 | } |
| 326 | |
| 327 | // Implements SunGraphicsEnvironment.createFontConfiguration. |
| 328 | protected FontConfiguration createFontConfiguration() { |
| 329 | return new WFontConfiguration(this); |
| 330 | } |
| 331 | |
| 332 | public FontConfiguration createFontConfiguration(boolean preferLocaleFonts, |
| 333 | boolean preferPropFonts) { |
| 334 | |
| 335 | return new WFontConfiguration(this, preferLocaleFonts,preferPropFonts); |
| 336 | } |
| 337 | } |