1 /* QtFontPeer.java -- 2 Copyright (C) 2005, 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 package gnu.java.awt.peer.qt; 39 40 import java.awt.Font; 41 import java.awt.FontMetrics; 42 import java.awt.geom.Rectangle2D; 43 import java.awt.font.FontRenderContext; 44 import java.awt.font.GlyphVector; 45 import java.awt.font.LineMetrics; 46 import java.text.CharacterIterator; 47 import java.util.Locale; 48 import java.util.Map; 49 50 import gnu.java.awt.peer.ClasspathFontPeer; 51 52 public class QtFontPeer extends ClasspathFontPeer 53 { 54 // Pointer to native QFont structure. 55 private long nativeObject; 56 private QtFontMetrics metrics; 57 58 QtFontPeer(String name, int style)59 public QtFontPeer (String name, int style) 60 { 61 this(name, style, 12); 62 } 63 QtFontPeer(String name, int style, int size)64 public QtFontPeer (String name, int style, int size) 65 { 66 super(name, style, size); 67 init(); 68 } 69 QtFontPeer(String name, Map attributes)70 public QtFontPeer (String name, Map attributes) 71 { 72 super(name, attributes); 73 init(); 74 } 75 init()76 public void init() 77 { 78 if(this.familyName == null) 79 throw new IllegalArgumentException("null family name"); 80 if(this.familyName.equals("Helvetica")) 81 this.familyName = "sans serif"; 82 if(this.familyName.equals("Dialog")) 83 this.familyName = "sans serif"; 84 create(this.familyName, this.style, (int)this.size); 85 metrics = new QtFontMetrics(this); 86 } 87 88 /** 89 * Creates the QFont object. 90 */ create(String name, int style, int size)91 private native void create(String name, int style, int size); 92 93 /** 94 * Destroys the QFont. 95 */ dispose()96 public native void dispose(); 97 98 99 // ****************** ClasspathFontPeer Methods. 100 canDisplay(Font font, int c)101 public boolean canDisplay (Font font, int c) 102 { 103 return metrics.canDisplay( c ); 104 } 105 canDisplayUpTo(Font font, CharacterIterator i, int start, int limit)106 public int canDisplayUpTo (Font font, CharacterIterator i, 107 int start, int limit) 108 { 109 int index = start; 110 char c = i.setIndex( index ); 111 while( index <= limit ) 112 { 113 if(!canDisplay(font, c)) 114 return index; 115 index++; 116 c = i.next(); 117 } 118 return -1; 119 } 120 getSubFamilyName(Font font, Locale locale)121 public String getSubFamilyName (Font font, Locale locale) 122 { 123 throw new UnsupportedOperationException(); 124 } 125 getPostScriptName(Font font)126 public String getPostScriptName (Font font) 127 { 128 throw new UnsupportedOperationException(); 129 } 130 getNumGlyphs(Font font)131 public int getNumGlyphs (Font font) 132 { 133 throw new UnsupportedOperationException(); 134 } 135 getMissingGlyphCode(Font font)136 public int getMissingGlyphCode (Font font) 137 { 138 throw new UnsupportedOperationException(); 139 } 140 getBaselineFor(Font font, char c)141 public byte getBaselineFor (Font font, char c) 142 { 143 throw new UnsupportedOperationException(); 144 } 145 getGlyphName(Font font, int glyphIndex)146 public String getGlyphName (Font font, int glyphIndex) 147 { 148 throw new UnsupportedOperationException(); 149 } 150 createGlyphVector(Font font, FontRenderContext frc, CharacterIterator ci)151 public GlyphVector createGlyphVector (Font font, 152 FontRenderContext frc, 153 CharacterIterator ci) 154 { 155 throw new UnsupportedOperationException(); 156 } 157 createGlyphVector(Font font, FontRenderContext ctx, int[] glyphCodes)158 public GlyphVector createGlyphVector (Font font, 159 FontRenderContext ctx, 160 int[] glyphCodes) 161 { 162 throw new UnsupportedOperationException(); 163 } 164 layoutGlyphVector(Font font, FontRenderContext frc, char[] chars, int start, int limit, int flags)165 public GlyphVector layoutGlyphVector (Font font, 166 FontRenderContext frc, 167 char[] chars, int start, 168 int limit, int flags) 169 { 170 throw new UnsupportedOperationException(); 171 } 172 getFontMetrics(Font font)173 public FontMetrics getFontMetrics (Font font) 174 { 175 return new QtFontMetrics( this ); 176 } 177 hasUniformLineMetrics(Font font)178 public boolean hasUniformLineMetrics (Font font) 179 { 180 throw new UnsupportedOperationException(); 181 } 182 getLineMetrics(Font font, CharacterIterator ci, int begin, int limit, FontRenderContext rc)183 public LineMetrics getLineMetrics (Font font, 184 CharacterIterator ci, 185 int begin, int limit, 186 FontRenderContext rc) 187 { 188 throw new UnsupportedOperationException(); 189 } 190 getMaxCharBounds(Font font, FontRenderContext rc)191 public Rectangle2D getMaxCharBounds (Font font, 192 FontRenderContext rc) 193 { 194 throw new UnsupportedOperationException(); 195 } 196 197 } 198