diff options
Diffstat (limited to 'libjava/classpath/gnu/java/awt/peer/x/XFontPeer2.java')
| -rw-r--r-- | libjava/classpath/gnu/java/awt/peer/x/XFontPeer2.java | 468 |
1 files changed, 0 insertions, 468 deletions
diff --git a/libjava/classpath/gnu/java/awt/peer/x/XFontPeer2.java b/libjava/classpath/gnu/java/awt/peer/x/XFontPeer2.java deleted file mode 100644 index ab3861be1a9..00000000000 --- a/libjava/classpath/gnu/java/awt/peer/x/XFontPeer2.java +++ /dev/null @@ -1,468 +0,0 @@ -/* XFontPeer2.java -- A Java based TTF font peer for X - Copyright (C) 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.x; - -import java.awt.Font; -import java.awt.FontMetrics; -import java.awt.font.FontRenderContext; -import java.awt.font.GlyphVector; -import java.awt.font.LineMetrics; -import java.awt.font.TextAttribute; -import java.awt.geom.AffineTransform; -import java.awt.geom.Point2D; -import java.awt.geom.Rectangle2D; -import java.io.File; -import java.io.FileInputStream; -import java.io.IOException; -import java.io.InputStream; -import java.nio.ByteBuffer; -import java.nio.channels.FileChannel; -import java.text.CharacterIterator; -import java.text.StringCharacterIterator; -import java.util.Locale; -import java.util.Map; -import java.util.Properties; - -import gnu.java.awt.font.FontDelegate; -import gnu.java.awt.font.FontFactory; -import gnu.java.awt.peer.ClasspathFontPeer; - -public class XFontPeer2 - extends ClasspathFontPeer -{ - - /** - * The font mapping as specified in the file fonts.properties. - */ - private static Properties fontProperties; - static - { - fontProperties = new Properties(); - InputStream in = XFontPeer2.class.getResourceAsStream("fonts.properties"); - try - { - fontProperties.load(in); - } - catch (IOException e) - { - e.printStackTrace(); - } - } - - private class XLineMetrics - extends LineMetrics - { - - private Font font; - private GlyphVector glyphVector; -// private CharacterIterator characterIterator; -// private int begin; -// private int limit; - private FontRenderContext fontRenderContext; - XLineMetrics(Font f, CharacterIterator ci, int b, int l, - FontRenderContext rc) - { - font = f; -// characterIterator = ci; -// begin = b; -// limit = l; - fontRenderContext = rc; - glyphVector = fontDelegate.createGlyphVector(font, fontRenderContext, - ci); - } - - public float getAscent() - { - return fontDelegate.getAscent(font.getSize(), fontRenderContext.getTransform(), - fontRenderContext.isAntiAliased(), - fontRenderContext.usesFractionalMetrics(), true); - } - - public int getBaselineIndex() - { - // FIXME: Implement this. - throw new UnsupportedOperationException("Not yet implemented"); - } - - public float[] getBaselineOffsets() - { - // FIXME: Implement this. - throw new UnsupportedOperationException("Not yet implemented"); - } - - public float getDescent() - { - return (int) fontDelegate.getDescent(font.getSize(), IDENDITY, false, - false, false); - } - - public float getHeight() - { - return (float) glyphVector.getLogicalBounds().getHeight(); - } - - public float getLeading() - { - return getHeight() - getAscent() - getDescent(); - } - - public int getNumChars() - { - // FIXME: Implement this. - throw new UnsupportedOperationException("Not yet implemented"); - } - - public float getStrikethroughOffset() - { - return 0.F; - } - - public float getStrikethroughThickness() - { - return 0.F; - } - - public float getUnderlineOffset() - { - return 0.F; - } - - public float getUnderlineThickness() - { - return 0.F; - } - - } - - private class XFontMetrics - extends FontMetrics - { - /** - * A cached point instance, to be used in #charWidth(). - */ - private Point2D cachedPoint = new Point2D.Double(); - - XFontMetrics(Font f) - { - super(f); - } - - public int getAscent() - { - return (int) fontDelegate.getAscent(getFont().getSize(), IDENDITY, - false, false, false); - } - - public int getDescent() - { - return (int) fontDelegate.getDescent(getFont().getSize(), IDENDITY, - false, false, false); - } - - public int getHeight() - { - GlyphVector gv = fontDelegate.createGlyphVector(getFont(), - new FontRenderContext(IDENDITY, false, false), - new StringCharacterIterator("m")); - Rectangle2D b = gv.getVisualBounds(); - return (int) b.getHeight(); - } - - public int charWidth(char c) - { - int code = fontDelegate.getGlyphIndex(c); - Point2D advance = cachedPoint; - fontDelegate.getAdvance(code, font.getSize2D(), IDENDITY, - false, false, true, advance); - return (int) advance.getX(); - } - - public int charsWidth(char[] chars, int offs, int len) - { - return stringWidth(new String(chars, offs, len)); - } - - public int stringWidth(String s) - { - GlyphVector gv = fontDelegate.createGlyphVector(getFont(), - new FontRenderContext(IDENDITY, false, false), - new StringCharacterIterator(s)); - Rectangle2D b = gv.getVisualBounds(); - return (int) b.getWidth(); - } - } - - /** - * The indendity transform, to be used in several methods. - */ - private static final AffineTransform IDENDITY = new AffineTransform(); - - private FontDelegate fontDelegate; - - XFontPeer2(String name, int style, int size) - { - super(name, style, size); - try - { - File fontfile = new File("/usr/share/fonts/truetype/freefont/FreeSans.ttf"); - FileInputStream in = new FileInputStream(fontfile); - FileChannel ch = in.getChannel(); - ByteBuffer buffer = ch.map(FileChannel.MapMode.READ_ONLY, 0, - fontfile.length()); - fontDelegate = FontFactory.createFonts(buffer)[0]; - } - catch (Exception ex) - { - ex.printStackTrace(); - } - } - - XFontPeer2(String name, Map atts) - { - super(name, atts); - try - { - File fontfile = new File("/usr/share/fonts/truetype/freefont/FreeSans.ttf"); - FileInputStream in = new FileInputStream(fontfile); - FileChannel ch = in.getChannel(); - ByteBuffer buffer = ch.map(FileChannel.MapMode.READ_ONLY, 0, - fontfile.length()); - fontDelegate = FontFactory.createFonts(buffer)[0]; - } - catch (Exception ex) - { - ex.printStackTrace(); - } - } - - public boolean canDisplay(Font font, int c) - { - // FIXME: Implement this. - throw new UnsupportedOperationException("Not yet implemented"); - } - - public int canDisplayUpTo(Font font, CharacterIterator i, int start, int limit) - { - // FIXME: Implement this. - throw new UnsupportedOperationException("Not yet implemented"); - } - - public String getSubFamilyName(Font font, Locale locale) - { - // FIXME: Implement this. - throw new UnsupportedOperationException("Not yet implemented"); - } - - public String getPostScriptName(Font font) - { - // FIXME: Implement this. - throw new UnsupportedOperationException("Not yet implemented"); - } - - public int getNumGlyphs(Font font) - { - // FIXME: Implement this. - throw new UnsupportedOperationException("Not yet implemented"); - } - - public int getMissingGlyphCode(Font font) - { - // FIXME: Implement this. - throw new UnsupportedOperationException("Not yet implemented"); - } - - public byte getBaselineFor(Font font, char c) - { - // FIXME: Implement this. - throw new UnsupportedOperationException("Not yet implemented"); - } - - public String getGlyphName(Font font, int glyphIndex) - { - // FIXME: Implement this. - throw new UnsupportedOperationException("Not yet implemented"); - } - - public GlyphVector createGlyphVector(Font font, FontRenderContext frc, CharacterIterator ci) - { - return fontDelegate.createGlyphVector(font, frc, ci); - } - - public GlyphVector createGlyphVector(Font font, FontRenderContext ctx, int[] glyphCodes) - { - // FIXME: Implement this. - throw new UnsupportedOperationException("Not yet implemented"); - } - - public GlyphVector layoutGlyphVector(Font font, FontRenderContext frc, char[] chars, int start, int limit, int flags) - { - StringCharacterIterator i = new StringCharacterIterator(new String(chars), start, limit, 0); - return fontDelegate.createGlyphVector(font, frc, i); - } - - public FontMetrics getFontMetrics(Font font) - { - return new XFontMetrics(font); - } - - public boolean hasUniformLineMetrics(Font font) - { - // FIXME: Implement this. - throw new UnsupportedOperationException("Not yet implemented"); - } - - public LineMetrics getLineMetrics(Font font, CharacterIterator ci, int begin, int limit, FontRenderContext rc) - { - return new XLineMetrics(font, ci, begin, limit, rc); - } - - public Rectangle2D getMaxCharBounds(Font font, FontRenderContext rc) - { - // FIXME: Implement this. - throw new UnsupportedOperationException("Not yet implemented"); - } - - /** - * Encodes a font name + style + size specification into a X logical font - * description (XLFD) as described here: - * - * http://www.meretrx.com/e93/docs/xlfd.html - * - * This is implemented to look up the font description in the - * fonts.properties of this package. - * - * @param name the font name - * @param atts the text attributes - * - * @return the encoded font description - */ - static String encodeFont(String name, Map atts) - { - String family = name; - if (family == null || family.equals("")) - family = (String) atts.get(TextAttribute.FAMILY); - if (family == null) - family = "SansSerif"; - - int size = 12; - Float sizeFl = (Float) atts.get(TextAttribute.SIZE); - if (sizeFl != null) - size = sizeFl.intValue(); - - int style = 0; - // Detect italic attribute. - Float posture = (Float) atts.get(TextAttribute.POSTURE); - if (posture != null && !posture.equals(TextAttribute.POSTURE_REGULAR)) - style |= Font.ITALIC; - - // Detect bold attribute. - Float weight = (Float) atts.get(TextAttribute.WEIGHT); - if (weight != null && weight.compareTo(TextAttribute.WEIGHT_REGULAR) > 0) - style |= Font.BOLD; - - return encodeFont(name, style, size); - } - - /** - * Encodes a font name + style + size specification into a X logical font - * description (XLFD) as described here: - * - * http://www.meretrx.com/e93/docs/xlfd.html - * - * This is implemented to look up the font description in the - * fonts.properties of this package. - * - * @param name the font name - * @param style the font style - * @param size the font size - * - * @return the encoded font description - */ - static String encodeFont(String name, int style, int size) - { - StringBuilder key = new StringBuilder(); - key.append(validName(name)); - key.append('.'); - switch (style) - { - case Font.BOLD: - key.append("bold"); - break; - case Font.ITALIC: - key.append("italic"); - break; - case (Font.BOLD | Font.ITALIC): - key.append("bolditalic"); - break; - case Font.PLAIN: - default: - key.append("plain"); - - } - - String protoType = fontProperties.getProperty(key.toString()); - int s = size; - return protoType.replaceFirst("%d", String.valueOf(s * 10)); - } - - /** - * Checks the specified font name for a valid font name. If the font name - * is not known, then this returns 'sansserif' as fallback. - * - * @param name the font name to check - * - * @return a valid font name - */ - static String validName(String name) - { - String retVal; - if (name.equalsIgnoreCase("sansserif") - || name.equalsIgnoreCase("serif") - || name.equalsIgnoreCase("monospaced") - || name.equalsIgnoreCase("dialog") - || name.equalsIgnoreCase("dialoginput")) - { - retVal = name.toLowerCase(); - } - else - { - retVal = "sansserif"; - } - return retVal; - } -} |
