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BobHansonBobHanson
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fixes for ExtendedTextLabel glyph calc, adds sun.misc.Resource, temp
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‎sources/net.sf.j2s.java.core/src/sun/font/ExtendedTextLabel.java‎

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/*
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* Copyright (c) 1998, 2003, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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*
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* (C) Copyright IBM Corp. 1998-2003- All Rights Reserved.
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*/
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package sun.font;
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import java.awt.Font;
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import java.awt.font.GlyphJustificationInfo;
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import java.awt.font.LineMetrics;
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import java.awt.geom.Point2D;
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import java.awt.geom.Rectangle2D;
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/**
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* An extension of TextLabel that maintains information
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* about characters.
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*/
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public abstract class ExtendedTextLabel extends TextLabel
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implements TextLineComponent{
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/**
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* Return the number of characters represented by this label.
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*/
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public abstract int getNumCharacters();
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/**
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* Return the line metrics for all text in this label.
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*/
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public abstract CoreMetrics getCoreMetrics();
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/**
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* Return the x location of the character at the given logical index.
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*/
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public abstract float getCharX(int logicalIndex);
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/**
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* Return the y location of the character at the given logical index.
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*/
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public abstract float getCharY(int logicalIndex);
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/**
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* Return the advance of the character at the given logical index.
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*/
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public abstract float getCharAdvance(int logicalIndex);
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/**
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* Return the visual bounds of the character at the given logical index.
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* This bounds encloses all the pixels of the character when the label is rendered
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* at x, y.
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*/
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public abstract Rectangle2D getCharVisualBounds(int logicalIndex, float x, float y);
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/**
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* Return the visual index of the character at the given logical index.
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*/
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public abstract int logicalToVisual(int logicalIndex);
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/**
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* Return the logical index of the character at the given visual index.
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*/
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public abstract int visualToLogical(int visualIndex);
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/**
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* Return the logical index of the character, starting with the character at
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* logicalStart, whose accumulated advance exceeds width. If the advances of
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* all characters do not exceed width, return getNumCharacters. If width is
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* less than zero, return logicalStart - 1.
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*/
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public abstract int getLineBreakIndex(int logicalStart, float width);
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/**
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* Return the accumulated advances of all characters between logicalStart and
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* logicalLimit.
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*/
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public abstract float getAdvanceBetween(int logicalStart, int logicalLimit);
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/**
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* Return whether a caret can exist on the leading edge of the
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* character at offset. If the character is part of a ligature
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* (for example) a caret may not be appropriate at offset.
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*/
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public abstract boolean caretAtOffsetIsValid(int offset);
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/**
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* A convenience overload of getCharVisualBounds that defaults the label origin
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* to 0, 0.
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*/
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public Rectangle2D getCharVisualBounds(int logicalIndex) {
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return getCharVisualBounds(logicalIndex, 0, 0);
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}
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public abstract TextLineComponent getSubset(int start, int limit, int dir);
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/**
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* Return the number of justification records this uses.
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*/
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public abstract int getNumJustificationInfos();
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/**
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* Return GlyphJustificationInfo objects for the characters between
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* charStart and charLimit, starting at offset infoStart. Infos
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* will be in visual order. All positions between infoStart and
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* getNumJustificationInfos will be set. If a position corresponds
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* to a character outside the provided range, it is set to null.
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*/
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public abstract void getJustificationInfos(GlyphJustificationInfo[] infos, int infoStart, int charStart, int charLimit);
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/**
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* Apply deltas to the data in this component, starting at offset
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* deltaStart, and return the new component. There are two floats
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* for each justification info, for a total of 2 * getNumJustificationInfos.
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* The first delta is the left adjustment, the second is the right
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* adjustment.
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* <p>
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* If flags[0] is true on entry, rejustification is allowed. If
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* the new component requires rejustification (ligatures were
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* formed or split), flags[0] will be set on exit.
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*/
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public abstract TextLineComponent applyJustificationDeltas(float[] deltas, int deltaStart, boolean[] flags);
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}

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