1 /*
2 * Copyright (c) 1999, 2017, 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
133 int xoverlay = False;
134 int eventBase, errorBase;
135 if (checkXCompositeFunctions() &&
136 compositeQueryExtension(display, &eventBase, &errorBase))
137 {
138 int major = 0;
139 int minor = 0;
140
141 compositeQueryVersion(display, &major, &minor);
142 if (major > 0 || minor >= 3) {
143 xoverlay = True;
144 }
145 }
146
147 return xoverlay;
148 }
149
150 static jboolean isXCompositeDisplay(Display *display, int screenNumber) {
151
152 char NET_WM_CM_Sn[25];
153 snprintf(NET_WM_CM_Sn, sizeof(NET_WM_CM_Sn), "_NET_WM_CM_S%d\0", screenNumber);
154
155 Atom managerSelection = XInternAtom(display, NET_WM_CM_Sn, 0);
156 Window owner = XGetSelectionOwner(display, managerSelection);
157
158 return owner != 0;
159 }
160
161 static XImage *getWindowImage(Display * display, Window window,
162 int32_t x, int32_t y,
163 int32_t w, int32_t h) {
164 XImage *image;
165 int32_t transparentOverlays;
166 int32_t numVisuals;
167 XVisualInfo *pVisuals;
168 int32_t numOverlayVisuals;
169 OverlayInfo *pOverlayVisuals;
170 int32_t numImageVisuals;
171 XVisualInfo **pImageVisuals;
172 list_ptr vis_regions; /* list of regions to read from */
173 list_ptr vis_image_regions ;
|
1 /*
2 * Copyright (c) 1999, 2019, 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
133 int xoverlay = False;
134 int eventBase, errorBase;
135 if (checkXCompositeFunctions() &&
136 compositeQueryExtension(display, &eventBase, &errorBase))
137 {
138 int major = 0;
139 int minor = 0;
140
141 compositeQueryVersion(display, &major, &minor);
142 if (major > 0 || minor >= 3) {
143 xoverlay = True;
144 }
145 }
146
147 return xoverlay;
148 }
149
150 static jboolean isXCompositeDisplay(Display *display, int screenNumber) {
151
152 char NET_WM_CM_Sn[25];
153 snprintf(NET_WM_CM_Sn, sizeof(NET_WM_CM_Sn), "_NET_WM_CM_S%d", screenNumber);
154
155 Atom managerSelection = XInternAtom(display, NET_WM_CM_Sn, 0);
156 Window owner = XGetSelectionOwner(display, managerSelection);
157
158 return owner != 0;
159 }
160
161 static XImage *getWindowImage(Display * display, Window window,
162 int32_t x, int32_t y,
163 int32_t w, int32_t h) {
164 XImage *image;
165 int32_t transparentOverlays;
166 int32_t numVisuals;
167 XVisualInfo *pVisuals;
168 int32_t numOverlayVisuals;
169 OverlayInfo *pOverlayVisuals;
170 int32_t numImageVisuals;
171 XVisualInfo **pImageVisuals;
172 list_ptr vis_regions; /* list of regions to read from */
173 list_ptr vis_image_regions ;
|