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Diffstat (limited to 'libjava/classpath/gnu/java/awt/font/FontDelegate.java')
-rw-r--r-- | libjava/classpath/gnu/java/awt/font/FontDelegate.java | 329 |
1 files changed, 0 insertions, 329 deletions
diff --git a/libjava/classpath/gnu/java/awt/font/FontDelegate.java b/libjava/classpath/gnu/java/awt/font/FontDelegate.java deleted file mode 100644 index e5c03a10f4e..00000000000 --- a/libjava/classpath/gnu/java/awt/font/FontDelegate.java +++ /dev/null @@ -1,329 +0,0 @@ -/* FontDelegate.java -- Interface implemented by all font delegates. - 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.font; - -import java.awt.Font; -import java.awt.font.FontRenderContext; -import java.awt.font.GlyphVector; -import java.awt.geom.AffineTransform; -import java.awt.geom.GeneralPath; -import java.awt.geom.Point2D; -import java.text.CharacterIterator; -import java.util.Locale; - - -/** - * The interface that all font delegate objects implement, - * irrespective of where they get their information from. - * - * <p><b>Thread Safety:</b> All classes that implement the - * <code>FontDelegate</code> interface must allow calling these - * methods from multiple concurrent threads. The delegates are - * responsible for performing the necessary synchronization. - * - * @author Sascha Brawer (brawer@dandelis.ch) - */ -public interface FontDelegate -{ - public static final int FLAG_FITTED = 1 << 0; - public static final int FLAG_NO_HINT_HORIZONTAL = 1 << 1; - public static final int FLAG_NO_HINT_VERTICAL = 1 << 2; - public static final int FLAG_NO_HINT_EDGE_POINTS = 1 << 3; - public static final int FLAG_NO_HINT_STRONG_POINTS = 1 << 4; - public static final int FLAG_NO_HINT_WEAK_POINTS = 1 << 5; - - /** - * Returns the full name of this font face in the specified - * locale, for example <i>“Univers Light”</i>. - * - * @param locale the locale for which to localize the name. - * - * @return the face name. - */ - public String getFullName(Locale locale); - - - /** - * Returns the name of the family to which this font face belongs, - * for example <i>“Univers”</i>. - * - * @param locale the locale for which to localize the name. - * - * @return the family name. - */ - public String getFamilyName(Locale locale); - - - /** - * Returns the name of this font face inside the family, for example - * <i>“Light”</i>. - * - * @param locale the locale for which to localize the name. - * - * @return the name of the face inside its family. - */ - public String getSubFamilyName(Locale locale); - - - /** - * Returns the PostScript name of this font face, for example - * <i>“Helvetica-Bold”</i>. - * - * @return the PostScript name, or <code>null</code> if the font - * does not provide a PostScript name. - */ - public String getPostScriptName(); - - - /** - * Returns the number of glyphs in this font face. - */ - public int getNumGlyphs(); - - /** - * Returns the glyph code for the specified character. - * - * @param c the character to map - * - * @return the glyph code - */ - public int getGlyphIndex(int c); - - /** - * Returns the index of the glyph which gets displayed if the font - * cannot map a Unicode code point to a glyph. Many fonts show this - * glyph as an empty box. - */ - public int getMissingGlyphCode(); - - - /** - * Creates a GlyphVector by mapping each character in a - * CharacterIterator to the corresponding glyph. - * - * <p>The mapping takes only the font’s <code>cmap</code> - * tables into consideration. No other operations (such as glyph - * re-ordering, composition, or ligature substitution) are - * performed. This means that the resulting GlyphVector will not be - * correct for text in languages that have complex - * character-to-glyph mappings, such as Arabic, Hebrew, Hindi, or - * Thai. - * - * @param font the font object that the created GlyphVector - * will return when it gets asked for its font. This argument is - * needed because the public API works with java.awt.Font, - * not with some private delegate like OpenTypeFont. - * - * @param frc the font rendering parameters that are used for - * measuring glyphs. The exact placement of text slightly depends on - * device-specific characteristics, for instance the device - * resolution or anti-aliasing. For this reason, any measurements - * will only be accurate if the passed - * <code>FontRenderContext</code> correctly reflects the relevant - * parameters. Hence, <code>frc</code> should be obtained from the - * same <code>Graphics2D</code> that will be used for drawing, and - * any rendering hints should be set to the desired values before - * obtaining <code>frc</code>. - * - * @param ci a CharacterIterator for iterating over the - * characters to be displayed. - */ - public GlyphVector createGlyphVector(Font font, - FontRenderContext frc, - CharacterIterator ci); - - - /** - * Determines the advance width and height for a glyph. - * - * @param glyphIndex the glyph whose advance width is to be - * determined. - * - * @param pointSize the point size of the font. - * - * @param transform a transform that is applied in addition to - * scaling to the specified point size. This is often used for - * scaling according to the device resolution. Those who lack any - * aesthetic sense may also use the transform to slant or stretch - * glyphs. - * - * @param antialias <code>true</code> for anti-aliased rendering, - * <code>false</code> for normal rendering. For hinted fonts, - * this parameter may indeed affect the result. - * - * @param fractionalMetrics <code>true</code> for fractional metrics, - * <code>false</code> for rounding the result to a pixel boundary. - * - * @param horizontal <code>true</code> for horizontal line layout, - * <code>false</code> for vertical line layout. - * - * @param advance a point whose <code>x</code> and <code>y</code> - * fields will hold the advance in each direction. It is well - * possible that both values are non-zero, for example for rotated - * text or for Urdu fonts. - */ - public void getAdvance(int glyphIndex, - float pointSize, - AffineTransform transform, - boolean antialias, - boolean fractionalMetrics, - boolean horizontal, - Point2D advance); - - - /** - * Returns the shape of a glyph. - * - * @param glyphIndex the glyph whose advance width is to be - * determined. - * - * @param pointSize the point size of the font. - * - * @param transform a transform that is applied in addition to - * scaling to the specified point size. This is often used for - * scaling according to the device resolution. Those who lack any - * aesthetic sense may also use the transform to slant or stretch - * glyphs. - * - * @param antialias <code>true</code> for anti-aliased rendering, - * <code>false</code> for normal rendering. For hinted fonts, this - * parameter may indeed affect the result. - * - * @param fractionalMetrics <code>true</code> for fractional - * metrics, <code>false</code> for rounding the result to a pixel - * boundary. - * - * @return the scaled and grid-fitted outline of the specified - * glyph, or <code>null</code> for bitmap fonts. - */ - public GeneralPath getGlyphOutline(int glyphIndex, - float pointSize, - AffineTransform transform, - boolean antialias, - boolean fractionalMetrics, - int type); - - - /** - * Returns a name for the specified glyph. This is useful for - * generating PostScript or PDF files that embed some glyphs of a - * font. - * - * <p><b>Names are not unique:</b> Under some rare circumstances, - * the same name can be returned for different glyphs. It is - * therefore recommended that printer drivers check whether the same - * name has already been returned for antoher glyph, and make the - * name unique by adding the string ".alt" followed by the glyph - * index.</p> - * - * <p>This situation would occur for an OpenType or TrueType font - * that has a <code>post</code> table of format 3 and provides a - * mapping from glyph IDs to Unicode sequences through a - * <code>Zapf</code> table. If the same sequence of Unicode - * codepoints leads to different glyphs (depending on contextual - * position, for example, or on typographic sophistication level), - * the same name would get synthesized for those glyphs. - * - * @param glyphIndex the glyph whose name the caller wants to - * retrieve. - */ - public String getGlyphName(int glyphIndex); - - - /** - * Determines the distance between the base line and the highest - * ascender. - * - * @param pointSize the point size of the font. - * - * @param transform a transform that is applied in addition to - * scaling to the specified point size. This is often used for - * scaling according to the device resolution. Those who lack any - * aesthetic sense may also use the transform to slant or stretch - * glyphs. - * - * @param antialiased <code>true</code> for anti-aliased rendering, - * <code>false</code> for normal rendering. For hinted fonts, - * this parameter may indeed affect the result. - * - * @param fractionalMetrics <code>true</code> for fractional metrics, - * <code>false</code> for rounding the result to a pixel boundary. - * - * @param horizontal <code>true</code> for horizontal line layout, - * <code>false</code> for vertical line layout. - * - * @return the ascent, which usually is a positive number. - */ - public float getAscent(float pointSize, - AffineTransform transform, - boolean antialiased, - boolean fractionalMetrics, - boolean horizontal); - - - /** - * Determines the distance between the base line and the lowest - * descender. - * - * @param pointSize the point size of the font. - * - * @param transform a transform that is applied in addition to - * scaling to the specified point size. This is often used for - * scaling according to the device resolution. Those who lack any - * aesthetic sense may also use the transform to slant or stretch - * glyphs. - * - * @param antialiased <code>true</code> for anti-aliased rendering, - * <code>false</code> for normal rendering. For hinted fonts, - * this parameter may indeed affect the result. - * - * @param fractionalMetrics <code>true</code> for fractional metrics, - * <code>false</code> for rounding the result to a pixel boundary. - * - * @param horizontal <code>true</code> for horizontal line layout, - * <code>false</code> for vertical line layout. - * - * @return the descent, which usually is a nagative number. - */ - public float getDescent(float pointSize, - AffineTransform transform, - boolean antialiased, - boolean fractionalMetrics, - boolean horizontal); -} |