TextLineComponent.java revision 0
0N/A/*
0N/A * Copyright 1998-2005 Sun Microsystems, Inc. All Rights Reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation. Sun designates this
0N/A * particular file as subject to the "Classpath" exception as provided
0N/A * by Sun in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
0N/A * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
0N/A * CA 95054 USA or visit www.sun.com if you need additional information or
0N/A * have any questions.
0N/A */
0N/A
0N/A/*
0N/A * (C) Copyright IBM Corp. 1998-2003 All Rights Reserved
0N/A *
0N/A */
0N/A
0N/Apackage sun.font;
0N/A
0N/Aimport java.awt.Graphics2D;
0N/Aimport java.awt.Rectangle;
0N/Aimport java.awt.Shape;
0N/Aimport java.awt.font.GlyphJustificationInfo;
0N/Aimport java.awt.font.FontRenderContext;
0N/Aimport java.awt.font.LineMetrics;
0N/Aimport java.awt.geom.AffineTransform;
0N/Aimport java.awt.geom.Rectangle2D;
0N/A
0N/Apublic interface TextLineComponent {
0N/A
0N/A public CoreMetrics getCoreMetrics();
0N/A public void draw(Graphics2D g2d, float x, float y);
0N/A public Rectangle2D getCharVisualBounds(int index);
0N/A public Rectangle2D getVisualBounds();
0N/A public float getAdvance();
0N/A public Shape getOutline(float x, float y);
0N/A
0N/A public int getNumCharacters();
0N/A
0N/A public float getCharX(int index);
0N/A public float getCharY(int index);
0N/A public float getCharAdvance(int index);
0N/A public boolean caretAtOffsetIsValid(int index);
0N/A
0N/A // measures characters in context, in logical order
0N/A public int getLineBreakIndex(int start, float width);
0N/A
0N/A // measures characters in context, in logical order
0N/A public float getAdvanceBetween(int start, int limit);
0N/A
0N/A public Rectangle2D getLogicalBounds();
0N/A
0N/A public Rectangle2D getItalicBounds();
0N/A
0N/A public AffineTransform getBaselineTransform();
0N/A
0N/A // return true if this wraps a glyphvector with no baseline rotation and
176N/A // has no styles requiring complex pixel bounds calculations.
176N/A public boolean isSimple();
176N/A
176N/A // return the pixel bounds if we wrap a glyphvector, else throw an
176N/A // internal error
176N/A public Rectangle getPixelBounds(FontRenderContext frc, float x, float y);
176N/A
176N/A /**
176N/A * Force subset characters to run left-to-right.
176N/A */
176N/A public static final int LEFT_TO_RIGHT = 0;
176N/A /**
176N/A * Force subset characters to run right-to-left.
176N/A */
176N/A public static final int RIGHT_TO_LEFT = 1;
176N/A
176N/A /**
176N/A * Leave subset character direction and ordering unchanged.
0N/A */
0N/A public static final int UNCHANGED = 2;
0N/A
0N/A /**
0N/A * Return a TextLineComponent for the characters in the range
0N/A * start, limit. The range is relative to this TextLineComponent
0N/A * (ie, the first character is at 0).
0N/A * @param dir one of the constants LEFT_TO_RIGHT, RIGHT_TO_LEFT, or UNCHANGED
0N/A */
0N/A public TextLineComponent getSubset(int start, int limit, int dir);
0N/A
0N/A /**
0N/A * Return the number of justification records this uses.
0N/A */
0N/A public int getNumJustificationInfos();
176N/A
176N/A /**
176N/A * Return GlyphJustificationInfo objects for the characters between
176N/A * charStart and charLimit, starting at offset infoStart. Infos
176N/A * will be in visual order. All positions between infoStart and
176N/A * getNumJustificationInfos will be set. If a position corresponds
0N/A * to a character outside the provided range, it is set to null.
0N/A */
0N/A public void getJustificationInfos(GlyphJustificationInfo[] infos, int infoStart, int charStart, int charLimit);
0N/A
176N/A /**
176N/A * Apply deltas to the data in this component, starting at offset
176N/A * deltaStart, and return the new component. There are two floats
176N/A * for each justification info, for a total of 2 * getNumJustificationInfos.
176N/A * The first delta is the left adjustment, the second is the right
176N/A * adjustment.
0N/A * <p>
0N/A * If flags[0] is true on entry, rejustification is allowed. If
0N/A * the new component requires rejustification (ligatures were
0N/A * formed or split), flags[0] will be set on exit.
0N/A */
0N/A public TextLineComponent applyJustificationDeltas(float[] deltas, int deltaStart, boolean[] flags);
0N/A}
0N/A