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/* Copyright (C) 2000 Free Software Foundation
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
package gnu.gcj.xlib;
import gnu.gcj.RawData;
/**
* An X11 Font, implemented as a wrapper around an X11 Font XID and
* the associated Xlib XFontStruct structure.
*
* @author Rolf W. Rasmussen <rolfwr@ii.uib.no>
*/
public final class Font extends XID
{
/**
* @param lfdNamePattern a font name pattern following the
* <em>X Logical Font Description Conventions</em>.
*/
public Font(Display display, String lfdNamePattern)
{
this(display, loadFont(display, lfdNamePattern));
}
Font(Display display, RawData struct)
{
super(display, getXIDFromStruct(struct));
structure = struct;
}
static RawData loadFont(Display display, String lfdNamePattern)
{
RawData returnValue = null;
try
{
returnValue = loadFontImpl (display,lfdNamePattern);
}
catch (XException e)
{
// Throw a descriptive exception, including the font pattern
throw new XException ("Font not found: " + lfdNamePattern);
}
return returnValue;
}
static native RawData loadFontImpl(Display display, String lfdNamePattern);
static native int getXIDFromStruct(RawData structure);
public native int getAscent();
public native int getDescent();
public native int getMaxAscent();
public native int getMaxDescent();
public native int getStringWidth(String str);
protected native void finalize();
RawData structure;
}
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