diff options
Diffstat (limited to 'libjava/gnu/java/awt/peer/gtk/GdkFontMetrics.java')
| -rw-r--r-- | libjava/gnu/java/awt/peer/gtk/GdkFontMetrics.java | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/libjava/gnu/java/awt/peer/gtk/GdkFontMetrics.java b/libjava/gnu/java/awt/peer/gtk/GdkFontMetrics.java new file mode 100644 index 00000000000..45690b06669 --- /dev/null +++ b/libjava/gnu/java/awt/peer/gtk/GdkFontMetrics.java @@ -0,0 +1,108 @@ +/* GdkFontMetrics.java + Copyright (C) 1999, 2002 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. */ + + +package gnu.java.awt.peer.gtk; + +import java.awt.*; + +public class GdkFontMetrics extends FontMetrics +{ + private final int native_state = GtkGenericPeer.getUniqueInteger(); + + private static final int ASCENT = 0, MAX_ASCENT = 1, + DESCENT = 2, MAX_DESCENT = 3, + MAX_ADVANCE = 4; + + private int[] metrics; + private native int[] initState (String xlfd, int pts); + + public GdkFontMetrics (Font font) + { + super (font); + metrics = initState (((GtkFontPeer)font.getPeer ()).getXLFD (), + font.getSize ()); + } + + native public int stringWidth (String str); + + public int charWidth (char ch) + { + return stringWidth (new String (new char[] { ch })); + } + + public int charsWidth (char data[], int off, int len) + { + return stringWidth (new String (data, off, len)); + } + + /* + Sun's Motif implementation always returns 0 or 1 here (???), but + going by the X11 man pages, it seems as though we should return + font.ascent + font.descent. + */ + public int getLeading () + { + return 1; +// return metrics[ASCENT] + metrics[DESCENT]; + } + + public int getAscent () + { + return metrics[ASCENT]; + } + + public int getMaxAscent () + { + return metrics[MAX_ASCENT]; + } + + public int getDescent () + { + return metrics[DESCENT]; + } + + public int getMaxDescent () + { + return metrics[MAX_DESCENT]; + } + + public int getMaxAdvance () + { + return metrics[MAX_ADVANCE]; + } +} |

