- * Provides font support using a byte fid - * (Font ID) as an index into font table. - *
- *- * Supports standard font faces, font styles, and font sizes. - *
- * - * @author Miguel, miguel@jmol.org - */ -final public class Font { - - public final byte fid; - public final String fontFace; - public final String fontStyle; - public final float fontSizeNominal; - public final int idFontFace; - public final int idFontStyle; - public final float fontSize; - public final Object font; - private final Object fontMetrics; - private FontManager manager; - private int ascent; - private int descent; - private boolean isBold; - private boolean isItalic; - - private Font(FontManager manager, byte fid, int idFontFace, - int idFontStyle, float fontSize, float fontSizeNominal, Object graphics) { - this.manager = manager; - this.fid = fid; - this.fontFace = fontFaces[idFontFace]; - this.fontStyle = fontStyles[idFontStyle]; - this.idFontFace = idFontFace; - this.idFontStyle = idFontStyle; - this.fontSize = fontSize; - this.isBold = (idFontStyle & FONT_STYLE_BOLD) == FONT_STYLE_BOLD; - this.isItalic = (idFontStyle & FONT_STYLE_ITALIC) == FONT_STYLE_ITALIC; - this.fontSizeNominal = fontSizeNominal; - font = manager.newFont(fontFaces[idFontFace], isBold, isItalic, - fontSize); - fontMetrics = manager.getFontMetrics(this, graphics); - descent = manager.getFontDescent(fontMetrics); - ascent = manager.getFontAscent(fontMetrics); - - //System.out.println("font3d constructed for fontsizeNominal=" + fontSizeNominal + " and fontSize=" + fontSize); - } - - //////////////////////////////////////////////////////////////// - - private final static int FONT_ALLOCATION_UNIT = 8; - private static int fontkeyCount = 1; - private static int[] fontkeys = new int[FONT_ALLOCATION_UNIT]; - private static Font[] font3ds = new Font[FONT_ALLOCATION_UNIT]; - - public static Font getFont3D(byte fontID) { - return font3ds[fontID & 0xFF]; - } - - public static synchronized Font createFont3D(int fontface, int fontstyle, - float fontsize, float fontsizeNominal, - FontManager manager, Object graphicsForMetrics) { - //if (graphicsForMetrics == null) - // return null; - if (fontsize > 0xFF) - fontsize = 0xFF; - int fontsizeX16 = ((int) fontsize) << 4; - int fontkey = ((fontface & 3) | ((fontstyle & 3) << 2) | (fontsizeX16 << 4)); - // watch out for race condition here! - for (int i = fontkeyCount; --i > 0;) - if (fontkey == fontkeys[i] - && font3ds[i].fontSizeNominal == fontsizeNominal) - return font3ds[i]; - int fontIndexNext = fontkeyCount++; - if (fontIndexNext == fontkeys.length) - fontkeys = AU.arrayCopyI(fontkeys, fontIndexNext + FONT_ALLOCATION_UNIT); - font3ds = (Font[]) AU.arrayCopyObject(font3ds, fontIndexNext + FONT_ALLOCATION_UNIT); - Font font3d = new Font(manager, (byte) fontIndexNext, fontface, fontstyle, - fontsize, fontsizeNominal, graphicsForMetrics); - // you must set the font3d before setting the fontkey in order - // to prevent a race condition with getFont3D - font3ds[fontIndexNext] = font3d; - fontkeys[fontIndexNext] = fontkey; - return font3d; - } - - public final static int FONT_FACE_SANS = 0; - public final static int FONT_FACE_SERIF = 1; - public final static int FONT_FACE_MONO = 2; - - private final static String[] fontFaces = - {"SansSerif", "Serif", "Monospaced", ""}; - - public final static int FONT_STYLE_PLAIN = 0; - public final static int FONT_STYLE_BOLD = 1; - public final static int FONT_STYLE_ITALIC = 2; - public final static int FONT_STYLE_BOLDITALIC = 3; - - private final static String[] fontStyles = - {"Plain", "Bold", "Italic", "BoldItalic"}; - - public static int getFontFaceID(String fontface) { - return ("Monospaced".equalsIgnoreCase(fontface) ? FONT_FACE_MONO - : "Serif".equalsIgnoreCase(fontface) ? FONT_FACE_SERIF - : FONT_FACE_SANS); - } - - public static int getFontStyleID(String fontstyle) { - for (int i = 4; --i >= 0; ) - if (fontStyles[i].equalsIgnoreCase(fontstyle)) - return i; - return -1; - } - - public int getAscent() { - return ascent; - } - - public int getDescent() { - return descent; - } - - public int getHeight() { - return getAscent() + getDescent(); - } - - public Object getFontMetrics() { - return fontMetrics; - } - - public int stringWidth(String text) { - return manager.fontStringWidth(this, text); - } - - public String getInfo() { - return fontSizeNominal + " " + fontFace + " " + fontStyle; - } -} - +/* $RCSfile$ + * $Author: hansonr $ + * $Date: 2013-10-30 13:47:37 -0500 (Wed, 30 Oct 2013) $ + * $Revision: 18874 $ + * + * Copyright (C) 2003-2005 Miguel, Jmol Development, www.jmol.org + * + * Contact: jmol-developers@lists.sf.net + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + */ +package javajs.awt; + + +import javajs.api.FontManager; +import javajs.util.AU; + + +/** + *+ * Provides font support using a byte fid + * (Font ID) as an index into font table. + *
+ *+ * Supports standard font faces, font styles, and font sizes. + *
+ * + * @author Miguel, miguel@jmol.org + */ +final public class Font { + + public final byte fid; + public final String fontFace; + public final String fontStyle; + public final float fontSizeNominal; + public final int idFontFace; + public final int idFontStyle; + public final float fontSize; + public final Object font; + private final Object fontMetrics; + private FontManager manager; + private int ascent; + private int descent; + private boolean isBold; + private boolean isItalic; + + private Font(FontManager manager, byte fid, int idFontFace, + int idFontStyle, float fontSize, float fontSizeNominal, Object graphics) { + this.manager = manager; + this.fid = fid; + this.fontFace = fontFaces[idFontFace]; + this.fontStyle = fontStyles[idFontStyle]; + this.idFontFace = idFontFace; + this.idFontStyle = idFontStyle; + this.fontSize = fontSize; + this.isBold = (idFontStyle & FONT_STYLE_BOLD) == FONT_STYLE_BOLD; + this.isItalic = (idFontStyle & FONT_STYLE_ITALIC) == FONT_STYLE_ITALIC; + this.fontSizeNominal = fontSizeNominal; + font = manager.newFont(fontFaces[idFontFace], isBold, isItalic, + fontSize); + fontMetrics = manager.getFontMetrics(this, graphics); + descent = manager.getFontDescent(fontMetrics); + ascent = manager.getFontAscent(fontMetrics); + + //System.out.println("font3d constructed for fontsizeNominal=" + fontSizeNominal + " and fontSize=" + fontSize); + } + + //////////////////////////////////////////////////////////////// + + private final static int FONT_ALLOCATION_UNIT = 8; + private static int fontkeyCount = 1; + private static int[] fontkeys = new int[FONT_ALLOCATION_UNIT]; + private static Font[] font3ds = new Font[FONT_ALLOCATION_UNIT]; + + public static Font getFont3D(byte fontID) { + return font3ds[fontID & 0xFF]; + } + + public static synchronized Font createFont3D(int fontface, int fontstyle, + float fontsize, float fontsizeNominal, + FontManager manager, Object graphicsForMetrics) { + //if (graphicsForMetrics == null) + // return null; + if (fontsize > 0xFF) + fontsize = 0xFF; + int fontsizeX16 = ((int) fontsize) << 4; + int fontkey = ((fontface & 3) | ((fontstyle & 3) << 2) | (fontsizeX16 << 4)); + // watch out for race condition here! + for (int i = fontkeyCount; --i > 0;) + if (fontkey == fontkeys[i] + && font3ds[i].fontSizeNominal == fontsizeNominal) + return font3ds[i]; + int fontIndexNext = fontkeyCount++; + if (fontIndexNext == fontkeys.length) + fontkeys = AU.arrayCopyI(fontkeys, fontIndexNext + FONT_ALLOCATION_UNIT); + font3ds = (Font[]) AU.arrayCopyObject(font3ds, fontIndexNext + FONT_ALLOCATION_UNIT); + Font font3d = new Font(manager, (byte) fontIndexNext, fontface, fontstyle, + fontsize, fontsizeNominal, graphicsForMetrics); + // you must set the font3d before setting the fontkey in order + // to prevent a race condition with getFont3D + font3ds[fontIndexNext] = font3d; + fontkeys[fontIndexNext] = fontkey; + return font3d; + } + + public final static int FONT_FACE_SANS = 0; + public final static int FONT_FACE_SERIF = 1; + public final static int FONT_FACE_MONO = 2; + + private final static String[] fontFaces = + {"SansSerif", "Serif", "Monospaced", ""}; + + public final static int FONT_STYLE_PLAIN = 0; + public final static int FONT_STYLE_BOLD = 1; + public final static int FONT_STYLE_ITALIC = 2; + public final static int FONT_STYLE_BOLDITALIC = 3; + + private final static String[] fontStyles = + {"Plain", "Bold", "Italic", "BoldItalic"}; + + public static int getFontFaceID(String fontface) { + return ("Monospaced".equalsIgnoreCase(fontface) ? FONT_FACE_MONO + : "Serif".equalsIgnoreCase(fontface) ? FONT_FACE_SERIF + : FONT_FACE_SANS); + } + + public static int getFontStyleID(String fontstyle) { + for (int i = 4; --i >= 0; ) + if (fontStyles[i].equalsIgnoreCase(fontstyle)) + return i; + return -1; + } + + public int getAscent() { + return ascent; + } + + public int getDescent() { + return descent; + } + + public int getHeight() { + return getAscent() + getDescent(); + } + + public Object getFontMetrics() { + return fontMetrics; + } + + public int stringWidth(String text) { + return manager.fontStringWidth(this, text); + } + + public String getInfo() { + return fontSizeNominal + " " + fontFace + " " + fontStyle; + } +} +