1 /*
2 * Copyright (c) 2004, 2014, 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 package sun.awt;
26
27 import java.awt.RenderingHints;
28 import static java.awt.RenderingHints.*;
29 import java.awt.color.ColorSpace;
30 import java.awt.image.*;
31 import java.security.AccessController;
32 import java.security.PrivilegedAction;
33 import sun.security.action.GetIntegerAction;
34 import com.sun.java.swing.plaf.gtk.GTKConstants.TextDirection;
35 import sun.java2d.opengl.OGLRenderQueue;
36 import java.lang.reflect.InvocationTargetException;
37
38 public abstract class UNIXToolkit extends SunToolkit
39 {
40 /** All calls into GTK should be synchronized on this lock */
41 public static final Object GTK_LOCK = new Object();
42
43 private static final int[] BAND_OFFSETS = { 0, 1, 2 };
44 private static final int[] BAND_OFFSETS_ALPHA = { 0, 1, 2, 3 };
45 private static final int DEFAULT_DATATRANSFER_TIMEOUT = 10000;
46
47 private Boolean nativeGTKAvailable;
48 private Boolean nativeGTKLoaded;
49 private BufferedImage tmpImage = null;
50
51 public static int getDatatransferTimeout() {
52 Integer dt = AccessController.doPrivileged(
53 new GetIntegerAction("sun.awt.datatransfer.timeout"));
54 if (dt == null || dt <= 0) {
55 return DEFAULT_DATATRANSFER_TIMEOUT;
56 } else {
57 return dt;
58 }
59 }
60
61 /**
62 * Returns true if the native GTK libraries are capable of being
63 * loaded and are expected to work properly, false otherwise. Note
64 * that this method will not leave the native GTK libraries loaded if
65 * they haven't already been loaded. This allows, for example, Swing's
66 * GTK L&F to test for the presence of native GTK support without
67 * leaving the native libraries loaded. To attempt long-term loading
68 * of the native GTK libraries, use the loadGTK() method instead.
69 */
70 @Override
71 public boolean isNativeGTKAvailable() {
72 synchronized (GTK_LOCK) {
73 if (nativeGTKLoaded != null) {
74 // We've already attempted to load GTK, so just return the
75 // status of that attempt.
76 return nativeGTKLoaded.booleanValue();
77
78 } else if (nativeGTKAvailable != null) {
79 // We've already checked the availability of the native GTK
80 // libraries, so just return the status of that attempt.
81 return nativeGTKAvailable.booleanValue();
82
83 } else {
84 boolean success = check_gtk();
85 nativeGTKAvailable = Boolean.valueOf(success);
86 return success;
87 }
88 }
89 }
90
91 /**
92 * Loads the GTK libraries, if necessary. The first time this method
93 * is called, it will attempt to load the native GTK library. If
94 * successful, it leaves the library open and returns true; otherwise,
95 * the library is left closed and returns false. On future calls to
96 * this method, the status of the first attempt is returned (a simple
97 * lightweight boolean check, no native calls required).
98 */
99 public boolean loadGTK() {
100 synchronized (GTK_LOCK) {
101 if (nativeGTKLoaded == null) {
102 boolean success = load_gtk();
103 nativeGTKLoaded = Boolean.valueOf(success);
104 }
105 }
106 return nativeGTKLoaded.booleanValue();
107 }
108
109 /**
110 * Overridden to handle GTK icon loading
111 */
112 protected Object lazilyLoadDesktopProperty(String name) {
113 if (name.startsWith("gtk.icon.")) {
114 return lazilyLoadGTKIcon(name);
115 }
116 return super.lazilyLoadDesktopProperty(name);
117 }
118
119 /**
120 * Load a native Gtk stock icon.
121 *
122 * @param longname a desktop property name. This contains icon name, size
123 * and orientation, e.g. <code>"gtk.icon.gtk-add.4.rtl"</code>
124 * @return an <code>Image</code> for the icon, or <code>null</code> if the
125 * icon could not be loaded
126 */
235 width, height, rowStride, channels,
236 (alpha ? BAND_OFFSETS_ALPHA : BAND_OFFSETS), null);
237 ColorModel colorModel = new ComponentColorModel(
238 ColorSpace.getInstance(ColorSpace.CS_sRGB), alpha, false,
239 ColorModel.TRANSLUCENT, DataBuffer.TYPE_BYTE);
240
241 // Set the local image so we can return it later from
242 // getStockIcon().
243 tmpImage = new BufferedImage(colorModel, raster, false, null);
244 }
245
246 private static native boolean check_gtk();
247 private static native boolean load_gtk();
248 private static native boolean unload_gtk();
249 private native boolean load_gtk_icon(String filename);
250 private native boolean load_stock_icon(int widget_type, String stock_id,
251 int iconSize, int textDirection, String detail);
252
253 private native void nativeSync();
254
255 public void sync() {
256 // flush the X11 buffer
257 nativeSync();
258 // now flush the OGL pipeline (this is a no-op if OGL is not enabled)
259 OGLRenderQueue.sync();
260 }
261
262 /*
263 * This returns the value for the desktop property "awt.font.desktophints"
264 * It builds this by querying the Gnome desktop properties to return
265 * them as platform independent hints.
266 * This requires that the Gnome properties have already been gathered.
267 */
268 public static final String FONTCONFIGAAHINT = "fontconfig/Antialias";
269 protected RenderingHints getDesktopAAHints() {
270
271 Object aaValue = getDesktopProperty("gnome.Xft/Antialias");
272
273 if (aaValue == null) {
274 /* On a KDE desktop running KWin the rendering hint will
275 * have been set as property "fontconfig/Antialias".
276 * No need to parse further in this case.
277 */
278 aaValue = getDesktopProperty(FONTCONFIGAAHINT);
279 if (aaValue != null) {
280 return new RenderingHints(KEY_TEXT_ANTIALIASING, aaValue);
281 } else {
282 return null; // no Gnome or KDE Desktop properties available.
283 }
284 }
285
286 /* 0 means off, 1 means some ON. What would any other value mean?
287 * If we require "1" to enable AA then some new value would cause
288 * us to default to "OFF". I don't think that's the best guess.
289 * So if its !=0 then lets assume AA.
290 */
291 boolean aa = Boolean.valueOf(((aaValue instanceof Number) &&
292 ((Number)aaValue).intValue() != 0));
293 Object aaHint;
294 if (aa) {
295 String subpixOrder =
296 (String)getDesktopProperty("gnome.Xft/RGBA");
297
298 if (subpixOrder == null || subpixOrder.equals("none")) {
299 aaHint = VALUE_TEXT_ANTIALIAS_ON;
300 } else if (subpixOrder.equals("rgb")) {
301 aaHint = VALUE_TEXT_ANTIALIAS_LCD_HRGB;
302 } else if (subpixOrder.equals("bgr")) {
303 aaHint = VALUE_TEXT_ANTIALIAS_LCD_HBGR;
304 } else if (subpixOrder.equals("vrgb")) {
305 aaHint = VALUE_TEXT_ANTIALIAS_LCD_VRGB;
306 } else if (subpixOrder.equals("vbgr")) {
307 aaHint = VALUE_TEXT_ANTIALIAS_LCD_VBGR;
308 } else {
309 /* didn't recognise the string, but AA is requested */
310 aaHint = VALUE_TEXT_ANTIALIAS_ON;
311 }
312 } else {
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1 /*
2 * Copyright (c) 2004, 2015, 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 package sun.awt;
26
27 import java.awt.RenderingHints;
28 import static java.awt.RenderingHints.*;
29 import java.awt.color.ColorSpace;
30 import java.awt.image.*;
31 import java.security.AccessController;
32 import sun.security.action.GetIntegerAction;
33 import com.sun.java.swing.plaf.gtk.GTKConstants.TextDirection;
34 import sun.awt.X11.XToolkit;
35 import sun.java2d.opengl.OGLRenderQueue;
36
37 public abstract class UNIXToolkit extends SunToolkit
38 {
39 /** All calls into GTK should be synchronized on this lock */
40 public static final Object GTK_LOCK = new Object();
41
42 private static final int[] BAND_OFFSETS = { 0, 1, 2 };
43 private static final int[] BAND_OFFSETS_ALPHA = { 0, 1, 2, 3 };
44 private static final int DEFAULT_DATATRANSFER_TIMEOUT = 10000;
45
46 private Boolean nativeGTKAvailable;
47 private Boolean nativeGTKLoaded;
48 private BufferedImage tmpImage = null;
49
50 public static int getDatatransferTimeout() {
51 Integer dt = AccessController.doPrivileged(
52 new GetIntegerAction("sun.awt.datatransfer.timeout"));
53 if (dt == null || dt <= 0) {
54 return DEFAULT_DATATRANSFER_TIMEOUT;
55 } else {
56 return dt;
57 }
58 }
59
60 /**
61 * Returns true if the native GTK libraries are capable of being
62 * loaded and are expected to work properly, false otherwise. Note
63 * that this method will not leave the native GTK libraries loaded if
64 * they haven't already been loaded. This allows, for example, Swing's
65 * GTK L&F to test for the presence of native GTK support without
66 * leaving the native libraries loaded. To attempt long-term loading
67 * of the native GTK libraries, use the loadGTK() method instead.
68 */
69 @Override
70 public boolean isNativeGTKAvailable() {
71 synchronized (GTK_LOCK) {
72 if (nativeGTKLoaded != null) {
73 // We've already attempted to load GTK, so just return the
74 // status of that attempt.
75 return nativeGTKLoaded;
76
77 } else if (nativeGTKAvailable != null) {
78 // We've already checked the availability of the native GTK
79 // libraries, so just return the status of that attempt.
80 return nativeGTKAvailable;
81
82 } else {
83 boolean success = check_gtk();
84 nativeGTKAvailable = success;
85 return success;
86 }
87 }
88 }
89
90 /**
91 * Loads the GTK libraries, if necessary. The first time this method
92 * is called, it will attempt to load the native GTK library. If
93 * successful, it leaves the library open and returns true; otherwise,
94 * the library is left closed and returns false. On future calls to
95 * this method, the status of the first attempt is returned (a simple
96 * lightweight boolean check, no native calls required).
97 */
98 public boolean loadGTK() {
99 synchronized (GTK_LOCK) {
100 if (nativeGTKLoaded == null) {
101 XToolkit.awtLock();
102 try {
103 nativeGTKLoaded = load_gtk();
104 } finally {
105 XToolkit.awtUnlock();
106 }
107 }
108 }
109 return nativeGTKLoaded;
110 }
111
112 /**
113 * Overridden to handle GTK icon loading
114 */
115 protected Object lazilyLoadDesktopProperty(String name) {
116 if (name.startsWith("gtk.icon.")) {
117 return lazilyLoadGTKIcon(name);
118 }
119 return super.lazilyLoadDesktopProperty(name);
120 }
121
122 /**
123 * Load a native Gtk stock icon.
124 *
125 * @param longname a desktop property name. This contains icon name, size
126 * and orientation, e.g. <code>"gtk.icon.gtk-add.4.rtl"</code>
127 * @return an <code>Image</code> for the icon, or <code>null</code> if the
128 * icon could not be loaded
129 */
238 width, height, rowStride, channels,
239 (alpha ? BAND_OFFSETS_ALPHA : BAND_OFFSETS), null);
240 ColorModel colorModel = new ComponentColorModel(
241 ColorSpace.getInstance(ColorSpace.CS_sRGB), alpha, false,
242 ColorModel.TRANSLUCENT, DataBuffer.TYPE_BYTE);
243
244 // Set the local image so we can return it later from
245 // getStockIcon().
246 tmpImage = new BufferedImage(colorModel, raster, false, null);
247 }
248
249 private static native boolean check_gtk();
250 private static native boolean load_gtk();
251 private static native boolean unload_gtk();
252 private native boolean load_gtk_icon(String filename);
253 private native boolean load_stock_icon(int widget_type, String stock_id,
254 int iconSize, int textDirection, String detail);
255
256 private native void nativeSync();
257
258 @Override
259 public void sync() {
260 // flush the X11 buffer
261 nativeSync();
262 // now flush the OGL pipeline (this is a no-op if OGL is not enabled)
263 OGLRenderQueue.sync();
264 }
265
266 /*
267 * This returns the value for the desktop property "awt.font.desktophints"
268 * It builds this by querying the Gnome desktop properties to return
269 * them as platform independent hints.
270 * This requires that the Gnome properties have already been gathered.
271 */
272 public static final String FONTCONFIGAAHINT = "fontconfig/Antialias";
273
274 @Override
275 protected RenderingHints getDesktopAAHints() {
276
277 Object aaValue = getDesktopProperty("gnome.Xft/Antialias");
278
279 if (aaValue == null) {
280 /* On a KDE desktop running KWin the rendering hint will
281 * have been set as property "fontconfig/Antialias".
282 * No need to parse further in this case.
283 */
284 aaValue = getDesktopProperty(FONTCONFIGAAHINT);
285 if (aaValue != null) {
286 return new RenderingHints(KEY_TEXT_ANTIALIASING, aaValue);
287 } else {
288 return null; // no Gnome or KDE Desktop properties available.
289 }
290 }
291
292 /* 0 means off, 1 means some ON. What would any other value mean?
293 * If we require "1" to enable AA then some new value would cause
294 * us to default to "OFF". I don't think that's the best guess.
295 * So if its !=0 then lets assume AA.
296 */
297 boolean aa = ((aaValue instanceof Number)
298 && ((Number) aaValue).intValue() != 0);
299 Object aaHint;
300 if (aa) {
301 String subpixOrder =
302 (String)getDesktopProperty("gnome.Xft/RGBA");
303
304 if (subpixOrder == null || subpixOrder.equals("none")) {
305 aaHint = VALUE_TEXT_ANTIALIAS_ON;
306 } else if (subpixOrder.equals("rgb")) {
307 aaHint = VALUE_TEXT_ANTIALIAS_LCD_HRGB;
308 } else if (subpixOrder.equals("bgr")) {
309 aaHint = VALUE_TEXT_ANTIALIAS_LCD_HBGR;
310 } else if (subpixOrder.equals("vrgb")) {
311 aaHint = VALUE_TEXT_ANTIALIAS_LCD_VRGB;
312 } else if (subpixOrder.equals("vbgr")) {
313 aaHint = VALUE_TEXT_ANTIALIAS_LCD_VBGR;
314 } else {
315 /* didn't recognise the string, but AA is requested */
316 aaHint = VALUE_TEXT_ANTIALIAS_ON;
317 }
318 } else {
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