| /* QtFontPeer.java -- |
| Copyright (C) 2005, 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 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.qt; |
| |
| import java.awt.Font; |
| import java.awt.FontMetrics; |
| import java.awt.geom.Rectangle2D; |
| import java.awt.font.FontRenderContext; |
| import java.awt.font.GlyphVector; |
| import java.awt.font.LineMetrics; |
| import java.text.CharacterIterator; |
| import java.util.Locale; |
| import java.util.Map; |
| |
| import gnu.java.awt.peer.ClasspathFontPeer; |
| |
| public class QtFontPeer extends ClasspathFontPeer |
| { |
| // Pointer to native QFont structure. |
| private long nativeObject; |
| private QtFontMetrics metrics; |
| |
| |
| public QtFontPeer (String name, int style) |
| { |
| this(name, style, 12); |
| } |
| |
| public QtFontPeer (String name, int style, int size) |
| { |
| super(name, style, size); |
| init(); |
| } |
| |
| public QtFontPeer (String name, Map attributes) |
| { |
| super(name, attributes); |
| init(); |
| } |
| |
| public void init() |
| { |
| if(this.familyName == null) |
| throw new IllegalArgumentException("null family name"); |
| if(this.familyName.equals("Helvetica")) |
| this.familyName = "sans serif"; |
| if(this.familyName.equals("Dialog")) |
| this.familyName = "sans serif"; |
| create(this.familyName, this.style, (int)this.size); |
| metrics = new QtFontMetrics(this); |
| } |
| |
| /** |
| * Creates the QFont object. |
| */ |
| private native void create(String name, int style, int size); |
| |
| /** |
| * Destroys the QFont. |
| */ |
| public native void dispose(); |
| |
| |
| // ****************** ClasspathFontPeer Methods. |
| |
| public boolean canDisplay (Font font, char c) |
| { |
| return metrics.canDisplay( c ); |
| } |
| |
| public int canDisplayUpTo (Font font, CharacterIterator i, |
| int start, int limit) |
| { |
| int index = start; |
| char c = i.setIndex( index ); |
| while( index <= limit ) |
| { |
| if(!canDisplay(font, c)) |
| return index; |
| index++; |
| c = i.next(); |
| } |
| return -1; |
| } |
| |
| public String getSubFamilyName (Font font, Locale locale) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public String getPostScriptName (Font font) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public int getNumGlyphs (Font font) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public int getMissingGlyphCode (Font font) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public byte getBaselineFor (Font font, char c) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public String getGlyphName (Font font, int glyphIndex) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public GlyphVector createGlyphVector (Font font, |
| FontRenderContext frc, |
| CharacterIterator ci) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public GlyphVector createGlyphVector (Font font, |
| FontRenderContext ctx, |
| int[] glyphCodes) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public GlyphVector layoutGlyphVector (Font font, |
| FontRenderContext frc, |
| char[] chars, int start, |
| int limit, int flags) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public FontMetrics getFontMetrics (Font font) |
| { |
| return new QtFontMetrics( this ); |
| } |
| |
| public boolean hasUniformLineMetrics (Font font) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public LineMetrics getLineMetrics (Font font, |
| CharacterIterator ci, |
| int begin, int limit, |
| FontRenderContext rc) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public Rectangle2D getMaxCharBounds (Font font, |
| FontRenderContext rc) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public Rectangle2D getStringBounds (Font font, |
| CharacterIterator ci, |
| int begin, int limit, |
| FontRenderContext frc) |
| { |
| int index = begin; |
| String s = "" + ci.setIndex( index ); |
| while( index++ <= limit ) |
| s = s + ci.next(); |
| return metrics.getStringBounds(s); |
| } |
| } |