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| 1 | /* | ||
| 2 | * Copyright (c) 1997, 2011, Oracle and/or its affiliates. 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. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package sun.java2d; | ||
| 27 | |||
| 28 | import java.awt.Color; | ||
| 29 | import java.awt.Font; | ||
| 30 | import java.awt.Graphics2D; | ||
| 31 | import java.awt.GraphicsConfiguration; | ||
| 32 | import java.awt.GraphicsDevice; | ||
| 33 | import java.awt.GraphicsEnvironment; | ||
| 34 | import java.awt.Insets; | ||
| 35 | import java.awt.Rectangle; | ||
| 36 | import java.awt.Toolkit; | ||
| 37 | import java.awt.font.TextAttribute; | ||
| 38 | import java.awt.image.BufferedImage; | ||
| 39 | import java.awt.peer.ComponentPeer; | ||
| 40 | import java.io.BufferedReader; | ||
| 41 | import java.io.File; | ||
| 42 | import java.io.FileInputStream; | ||
| 43 | import java.io.FilenameFilter; | ||
| 44 | import java.io.InputStreamReader; | ||
| 45 | import java.io.IOException; | ||
| 46 | import java.text.AttributedCharacterIterator; | ||
| 47 | import java.util.ArrayList; | ||
| 48 | import java.util.HashSet; | ||
| 49 | import java.util.Iterator; | ||
| 50 | import java.util.Locale; | ||
| 51 | import java.util.Map; | ||
| 52 | import java.util.NoSuchElementException; | ||
| 53 | import java.util.Set; | ||
| 54 | import java.util.StringTokenizer; | ||
| 55 | import java.util.TreeMap; | ||
| 56 | import java.util.Vector; | ||
| 57 | import java.util.concurrent.ConcurrentHashMap; | ||
| 58 | import sun.awt.AppContext; | ||
| 59 | import sun.awt.DisplayChangedListener; | ||
| 60 | import sun.awt.FontConfiguration; | ||
| 61 | import sun.awt.SunDisplayChanger; | ||
| 62 | import sun.font.CompositeFontDescriptor; | ||
| 63 | import sun.font.Font2D; | ||
| 64 | import sun.font.FontManager; | ||
| 65 | import sun.font.FontManagerFactory; | ||
| 66 | import sun.font.FontManagerForSGE; | ||
| 67 | import sun.font.NativeFont; | ||
| 68 | |||
| 69 | /** | ||
| 70 | * This is an implementation of a GraphicsEnvironment object for the | ||
| 71 | * default local GraphicsEnvironment. | ||
| 72 | * | ||
| 73 | * @see GraphicsDevice | ||
| 74 | * @see GraphicsConfiguration | ||
| 75 | */ | ||
| 76 | public abstract class SunGraphicsEnvironment extends GraphicsEnvironment | ||
| 77 | implements DisplayChangedListener { | ||
| 78 | |||
| 79 | public static boolean isOpenSolaris; | ||
| 80 | private static Font defaultFont; | ||
| 81 | |||
| 82 | public SunGraphicsEnvironment() { | ||
| 83 | java.security.AccessController.doPrivileged( | ||
| 84 | new java.security.PrivilegedAction() { | ||
| 85 | public Object run() { | ||
| 86 | String version = System.getProperty("os.version", "0.0"); | ||
| 87 | try { | ||
| 88 | float ver = Float.parseFloat(version); | ||
| 89 | if (ver > 5.10f) { | ||
| 90 | File f = new File("/etc/release"); | ||
| 91 | FileInputStream fis = new FileInputStream(f); | ||
| 92 | InputStreamReader isr | ||
| 93 | = new InputStreamReader(fis, "ISO-8859-1"); | ||
| 94 | BufferedReader br = new BufferedReader(isr); | ||
| 95 | String line = br.readLine(); | ||
| 96 | if (line.indexOf("OpenSolaris") >= 0) { | ||
| 97 | isOpenSolaris = true; | ||
| 98 | } else { | ||
| 99 | /* We are using isOpenSolaris as meaning | ||
| 100 | * we know the Solaris commercial fonts aren't | ||
| 101 | * present. "Solaris Next" (03/10) did not | ||
| 102 | * include these even though its was not | ||
| 103 | * OpenSolaris. Need to revisit how this is | ||
| 104 | * handled but for now as in 6ux, we'll use | ||
| 105 | * the test for a standard font resource as | ||
| 106 | * being an indicator as to whether we need | ||
| 107 | * to treat this as OpenSolaris from a font | ||
| 108 | * config perspective. | ||
| 109 | */ | ||
| 110 | String courierNew = | ||
| 111 | "/usr/openwin/lib/X11/fonts/TrueType/CourierNew.ttf"; | ||
| 112 | File courierFile = new File(courierNew); | ||
| 113 | isOpenSolaris = !courierFile.exists(); | ||
| 114 | } | ||
| 115 | fis.close(); | ||
| 116 | } | ||
| 117 | } catch (Exception e) { | ||
| 118 | } | ||
| 119 | |||
| 120 | /* Establish the default font to be used by SG2D etc */ | ||
| 121 | defaultFont = new Font(Font.DIALOG, Font.PLAIN, 12); | ||
| 122 | |||
| 123 | return null; | ||
| 124 | } | ||
| 125 | }); | ||
| 126 | } | ||
| 127 | |||
| 128 | protected GraphicsDevice[] screens; | ||
| 129 | |||
| 130 | /** | ||
| 131 | * Returns an array of all of the screen devices. | ||
| 132 | */ | ||
| 133 | public synchronized GraphicsDevice[] getScreenDevices() { | ||
| 134 | GraphicsDevice[] ret = screens; | ||
| 135 | if (ret == null) { | ||
| 136 | int num = getNumScreens(); | ||
| 137 | ret = new GraphicsDevice[num]; | ||
| 138 | for (int i = 0; i < num; i++) { | ||
| 139 | ret[i] = makeScreenDevice(i); | ||
| 140 | } | ||
| 141 | screens = ret; | ||
| 142 | } | ||
| 143 | return ret; | ||
| 144 | } | ||
| 145 | |||
| 146 | /** | ||
| 147 | * Returns the number of screen devices of this graphics environment. | ||
| 148 | * | ||
| 149 | * @return the number of screen devices of this graphics environment | ||
| 150 | */ | ||
| 151 | protected abstract int getNumScreens(); | ||
| 152 | |||
| 153 | /** | ||
| 154 | * Create and return the screen device with the specified number. The | ||
| 155 | * device with number <code>0</code> will be the default device (returned | ||
| 156 | * by {@link #getDefaultScreenDevice()}. | ||
| 157 | * | ||
| 158 | * @param screennum the number of the screen to create | ||
| 159 | * | ||
| 160 | * @return the created screen device | ||
| 161 | */ | ||
| 162 | protected abstract GraphicsDevice makeScreenDevice(int screennum); | ||
| 163 | |||
| 164 | /** | ||
| 165 | * Returns the default screen graphics device. | ||
| 166 | */ | ||
| 167 | public GraphicsDevice getDefaultScreenDevice() { | ||
| 168 | return getScreenDevices()[0]; | ||
| 169 | } | ||
| 170 | |||
| 171 | /** | ||
| 172 | * Returns a Graphics2D object for rendering into the | ||
| 173 | * given BufferedImage. | ||
| 174 | * @throws NullPointerException if BufferedImage argument is null | ||
| 175 | */ | ||
| 176 | public Graphics2D createGraphics(BufferedImage img) { | ||
| 177 | if (img == null) { | ||
| 178 | throw new NullPointerException("BufferedImage cannot be null"); | ||
| 179 | } | ||
| 180 | SurfaceData sd = SurfaceData.getPrimarySurfaceData(img); | ||
| 181 | return new SunGraphics2D(sd, Color.white, Color.black, defaultFont); | ||
| 182 | } | ||
| 183 | |||
| 184 | public static FontManagerForSGE getFontManagerForSGE() { | ||
| 185 | FontManager fm = FontManagerFactory.getInstance(); | ||
| 186 | return (FontManagerForSGE) fm; | ||
| 187 | } | ||
| 188 | |||
| 189 | /* Modifies the behaviour of a subsequent call to preferLocaleFonts() | ||
| 190 | * to use Mincho instead of Gothic for dialoginput in JA locales | ||
| 191 | * on windows. Not needed on other platforms. | ||
| 192 | * | ||
| 193 | * DO NOT MOVE OR RENAME OR OTHERWISE ALTER THIS METHOD. | ||
| 194 | * ITS USED BY SOME NON-JRE INTERNAL CODE. | ||
| 195 | */ | ||
| 196 | public static void useAlternateFontforJALocales() { | ||
| 197 | getFontManagerForSGE().useAlternateFontforJALocales(); | ||
| 198 | } | ||
| 199 | |||
| 200 | /** | ||
| 201 | * Returns all fonts available in this environment. | ||
| 202 | */ | ||
| 203 | public Font[] getAllFonts() { | ||
| 204 | FontManagerForSGE fm = getFontManagerForSGE(); | ||
| 205 | Font[] installedFonts = fm.getAllInstalledFonts(); | ||
| 206 | Font[] created = fm.getCreatedFonts(); | ||
| 207 | if (created == null || created.length == 0) { | ||
| 208 | return installedFonts; | ||
| 209 | } else { | ||
| 210 | int newlen = installedFonts.length + created.length; | ||
| 211 | Font [] fonts = java.util.Arrays.copyOf(installedFonts, newlen); | ||
| 212 | System.arraycopy(created, 0, fonts, | ||
| 213 | installedFonts.length, created.length); | ||
| 214 | return fonts; | ||
| 215 | } | ||
| 216 | } | ||
| 217 | |||
| 218 | public String[] getAvailableFontFamilyNames(Locale requestedLocale) { | ||
| 219 | FontManagerForSGE fm = getFontManagerForSGE(); | ||
| 220 | String[] installed = fm.getInstalledFontFamilyNames(requestedLocale); | ||
| 221 | /* Use a new TreeMap as used in getInstalledFontFamilyNames | ||
| 222 | * and insert all the keys in lower case, so that the sort order | ||
| 223 | * is the same as the installed families. This preserves historical | ||
| 224 | * behaviour and inserts new families in the right place. | ||
| 225 | * It would have been marginally more efficient to directly obtain | ||
| 226 | * the tree map and just insert new entries, but not so much as | ||
| 227 | * to justify the extra internal interface. | ||
| 228 | */ | ||
| 229 | TreeMap<String, String> map = fm.getCreatedFontFamilyNames(); | ||
| 230 | if (map == null || map.size() == 0) { | ||
| 231 | return installed; | ||
| 232 | } else { | ||
| 233 | for (int i=0; i<installed.length; i++) { | ||
| 234 | map.put(installed[i].toLowerCase(requestedLocale), | ||
| 235 | installed[i]); | ||
| 236 | } | ||
| 237 | String[] retval = new String[map.size()]; | ||
| 238 | Object [] keyNames = map.keySet().toArray(); | ||
| 239 | for (int i=0; i < keyNames.length; i++) { | ||
| 240 | retval[i] = (String)map.get(keyNames[i]); | ||
| 241 | } | ||
| 242 | return retval; | ||
| 243 | } | ||
| 244 | } | ||
| 245 | |||
| 246 | public String[] getAvailableFontFamilyNames() { | ||
| 247 | return getAvailableFontFamilyNames(Locale.getDefault()); | ||
| 248 | } | ||
| 249 | |||
| 250 | /** | ||
| 251 | * Return the bounds of a GraphicsDevice, less its screen insets. | ||
| 252 | * See also java.awt.GraphicsEnvironment.getUsableBounds(); | ||
| 253 | */ | ||
| 254 | public static Rectangle getUsableBounds(GraphicsDevice gd) { | ||
| 255 | GraphicsConfiguration gc = gd.getDefaultConfiguration(); | ||
| 256 | Insets insets = Toolkit.getDefaultToolkit().getScreenInsets(gc); | ||
| 257 | Rectangle usableBounds = gc.getBounds(); | ||
| 258 | |||
| 259 | usableBounds.x += insets.left; | ||
| 260 | usableBounds.y += insets.top; | ||
| 261 | usableBounds.width -= (insets.left + insets.right); | ||
| 262 | usableBounds.height -= (insets.top + insets.bottom); | ||
| 263 | |||
| 264 | return usableBounds; | ||
| 265 | } | ||
| 266 | |||
| 267 | /** | ||
| 268 | * From the DisplayChangedListener interface; called | ||
| 269 | * when the display mode has been changed. | ||
| 270 | */ | ||
| 271 | public void displayChanged() { | ||
| 272 | // notify screens in device array to do display update stuff | ||
| 273 | for (GraphicsDevice gd : getScreenDevices()) { | ||
| 274 | if (gd instanceof DisplayChangedListener) { | ||
| 275 | ((DisplayChangedListener) gd).displayChanged(); | ||
| 276 | } | ||
| 277 | } | ||
| 278 | |||
| 279 | // notify SunDisplayChanger list (e.g. VolatileSurfaceManagers and | ||
| 280 | // SurfaceDataProxies) about the display change event | ||
| 281 | displayChanger.notifyListeners(); | ||
| 282 | } | ||
| 283 | |||
| 284 | /** | ||
| 285 | * Part of the DisplayChangedListener interface: | ||
| 286 | * propagate this event to listeners | ||
| 287 | */ | ||
| 288 | public void paletteChanged() { | ||
| 289 | displayChanger.notifyPaletteChanged(); | ||
| 290 | } | ||
| 291 | |||
| 292 | /** | ||
| 293 | * Returns true when the display is local, false for remote displays. | ||
| 294 | * | ||
| 295 | * @return true when the display is local, false for remote displays | ||
| 296 | */ | ||
| 297 | public abstract boolean isDisplayLocal(); | ||
| 298 | |||
| 299 | /* | ||
| 300 | * ----DISPLAY CHANGE SUPPORT---- | ||
| 301 | */ | ||
| 302 | |||
| 303 | protected SunDisplayChanger displayChanger = new SunDisplayChanger(); | ||
| 304 | |||
| 305 | /** | ||
| 306 | * Add a DisplayChangeListener to be notified when the display settings | ||
| 307 | * are changed. | ||
| 308 | */ | ||
| 309 | public void addDisplayChangedListener(DisplayChangedListener client) { | ||
| 310 | displayChanger.add(client); | ||
| 311 | } | ||
| 312 | |||
| 313 | /** | ||
| 314 | * Remove a DisplayChangeListener from Win32GraphicsEnvironment | ||
| 315 | */ | ||
| 316 | public void removeDisplayChangedListener(DisplayChangedListener client) { | ||
| 317 | displayChanger.remove(client); | ||
| 318 | } | ||
| 319 | |||
| 320 | /* | ||
| 321 | * ----END DISPLAY CHANGE SUPPORT---- | ||
| 322 | */ | ||
| 323 | |||
| 324 | /** | ||
| 325 | * Returns true if FlipBufferStrategy with COPIED buffer contents | ||
| 326 | * is preferred for this peer's GraphicsConfiguration over | ||
| 327 | * BlitBufferStrategy, false otherwise. | ||
| 328 | * | ||
| 329 | * The reason FlipBS could be preferred is that in some configurations | ||
| 330 | * an accelerated copy to the screen is supported (like Direct3D 9) | ||
| 331 | * | ||
| 332 | * @return true if flip strategy should be used, false otherwise | ||
| 333 | */ | ||
| 334 | public boolean isFlipStrategyPreferred(ComponentPeer peer) { | ||
| 335 | return false; | ||
| 336 | } | ||
| 337 | } | ||