1 files changed, 102 insertions, 0 deletions
diff --git a/libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkFontMetrics.c b/libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkFontMetrics.c
new file mode 100644
index 00000000000..03c1e4925d7
--- /dev/null
+++ b/libjava/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkFontMetrics.c
@@ -0,0 +1,102 @@
+/* gdkfontmetrics.c
+   Copyright (C) 1999, 2003 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+#include "gtkpeer.h"
+#include "gnu_java_awt_peer_gtk_GdkFontMetrics.h"
+#include <gdk/gdkx.h>
+
+#define ASCENT      0
+#define MAX_ASCENT  1
+#define DESCENT     2
+#define MAX_DESCENT 3
+#define MAX_ADVANCE 4
+#define NUM_METRICS 5
+
+JNIEXPORT jintArray JNICALL Java_gnu_java_awt_peer_gtk_GdkFontMetrics_initState
+  (JNIEnv *env, jobject obj, jstring fname, jint size)
+{
+  jintArray array;
+  jint *metrics;
+  const char *cfname;
+  char *xlfd;
+  GdkFont *font;
+  XFontStruct *xfont;
+
+  cfname = (*env)->GetStringUTFChars (env, fname, NULL);
+  xlfd = g_strdup_printf (cfname, (size * 10));
+  (*env)->ReleaseStringUTFChars (env, fname, cfname);
+
+  array = (*env)->NewIntArray (env, NUM_METRICS);
+  metrics = (*env)->GetIntArrayElements (env, array, NULL);
+
+  gdk_threads_enter ();
+  font = gdk_font_load (xlfd);
+  xfont = GDK_FONT_XFONT (font);
+
+  metrics[ASCENT]      = font->ascent;
+  metrics[MAX_ASCENT]  = xfont->max_bounds.ascent;
+  metrics[DESCENT]     = font->descent;
+  metrics[MAX_DESCENT] = xfont->max_bounds.descent;
+  metrics[MAX_ADVANCE] = xfont->max_bounds.width;
+  gdk_threads_leave ();
+
+  g_free (xlfd);
+  (*env)->ReleaseIntArrayElements (env, array, metrics, 0);
+
+  NSA_SET_PTR (env, obj, font);
+
+  return array;
+}
+
+JNIEXPORT jint JNICALL Java_gnu_java_awt_peer_gtk_GdkFontMetrics_stringWidth
+  (JNIEnv *env, jobject obj, jstring str)
+{
+  GdkFont *font;
+  const char *cstr;
+  jint width;
+
+  font = (GdkFont *) NSA_GET_PTR (env, obj);
+  cstr = (*env)->GetStringUTFChars (env, str, NULL);
+
+  gdk_threads_enter ();
+  width = gdk_string_width (font, cstr);
+  gdk_threads_leave ();
+
+  (*env)->ReleaseStringUTFChars (env, str, cstr);
+
+  return width;
+}