1 /* gnu_java_awt_peer_gtk_ComponentGraphicsCopy.c
2 Copyright (C) 2006 Free Software Foundation, Inc.
3
4 This file is part of GNU Classpath.
5
6 GNU Classpath is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
9 any later version.
10
11 GNU Classpath is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with GNU Classpath; see the file COPYING. If not, write to the
18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19 02110-1301 USA.
20
21 Linking this library statically or dynamically with other modules is
22 making a combined work based on this library. Thus, the terms and
23 conditions of the GNU General Public License cover the whole
24 combination.
25
26 As a special exception, the copyright holders of this library give you
27 permission to link this library with independent modules to produce an
28 executable, regardless of the license terms of these independent
29 modules, and to copy and distribute the resulting executable under
30 terms of your choice, provided that you also meet, for each linked
31 independent module, the terms and conditions of the license of that
32 module. An independent module is a module which is not derived from
33 or based on this library. If you modify this library, you may extend
34 this exception to your version of the library, but you are not
35 obligated to do so. If you do not wish to do so, delete this
36 exception statement from your version. */
37
38 #include "jcl.h"
39 #include "gtkpeer.h"
40 #include <gdk/gdktypes.h>
41 #include <gdk/gdkprivate.h>
42
43 #include <gdk-pixbuf/gdk-pixbuf.h>
44 #include <gdk-pixbuf/gdk-pixdata.h>
45
46 #include <cairo-ft.h>
47
48 #include <stdio.h>
49 #include <stdlib.h>
50
51 #include "gnu_java_awt_peer_gtk_ComponentGraphicsCopy.h"
52
53 JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_ComponentGraphicsCopy_getPixbuf(JNIEnv * env,jobject obj,jobject peer,jobject image)54 Java_gnu_java_awt_peer_gtk_ComponentGraphicsCopy_getPixbuf
55 (JNIEnv *env, jobject obj __attribute__((unused)),
56 jobject peer, jobject image)
57 {
58 gint width, height;
59 GdkPixbuf *pixbuf;
60 GdkDrawable *drawable;
61 GdkWindow *win;
62 GtkWidget *widget = NULL;
63 void *ptr = NULL;
64
65 gdk_threads_enter();
66
67 ptr = gtkpeer_get_widget (env, peer);
68 g_assert (ptr != NULL);
69
70 widget = GTK_WIDGET (ptr);
71 g_assert (widget != NULL);
72
73 cp_gtk_grab_current_drawable (widget, &drawable, &win);
74 g_assert (drawable != NULL);
75
76 pixbuf = cp_gtk_image_get_pixbuf( env, image );
77 g_assert( pixbuf != NULL);
78
79 width = gdk_pixbuf_get_width( pixbuf );
80 height = gdk_pixbuf_get_height( pixbuf );
81
82 gdk_pixbuf_get_from_drawable( pixbuf, /* destination pixbuf */
83 drawable,
84 NULL, /* colormap */
85 0, 0, 0, 0,
86 width, height );
87 gdk_threads_leave();
88 }
89
90
91 JNIEXPORT void JNICALL
Java_gnu_java_awt_peer_gtk_ComponentGraphicsCopy_copyPixbuf(JNIEnv * env,jobject obj,jobject peer,jobject image,jint x,jint y,jint width,jint height)92 Java_gnu_java_awt_peer_gtk_ComponentGraphicsCopy_copyPixbuf
93 (JNIEnv *env, jobject obj __attribute__((unused)),
94 jobject peer, jobject image,
95 jint x __attribute__((unused)), jint y __attribute__((unused)),
96 jint width __attribute__((unused)), jint height __attribute__((unused)))
97 {
98 gint pwidth, pheight;
99 GdkPixbuf *pixbuf;
100 GdkDrawable *drawable;
101 GdkWindow *win;
102 GtkWidget *widget = NULL;
103 void *ptr = NULL;
104
105 gdk_threads_enter();
106
107 ptr = gtkpeer_get_widget (env, peer);
108 g_assert (ptr != NULL);
109
110 widget = GTK_WIDGET (ptr);
111 g_assert (widget != NULL);
112
113 cp_gtk_grab_current_drawable (widget, &drawable, &win);
114 g_assert (drawable != NULL);
115
116 pixbuf = cp_gtk_image_get_pixbuf( env, image );
117 g_assert( pixbuf != NULL);
118
119 pwidth = gdk_pixbuf_get_width( pixbuf );
120 pheight = gdk_pixbuf_get_height( pixbuf );
121
122 gdk_draw_pixbuf (drawable, NULL, pixbuf,
123 0, 0, 0, 0,
124 pwidth, pheight,
125 GDK_RGB_DITHER_NORMAL, 0, 0);
126
127 gdk_threads_leave();
128 }
129
130