Showing the changes to java/pkg/sun/font/TextLineComponent.java (1 of 18352 files). Show all
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| 1 | +/* | |
| 2 | + * Copyright (c) 1998, 2005, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | + | |
| 26 | +/* | |
| 27 | + * (C) Copyright IBM Corp. 1998-2003 All Rights Reserved | |
| 28 | + * | |
| 29 | + */ | |
| 30 | + | |
| 31 | +package sun.font; | |
| 32 | + | |
| 33 | +import java.awt.Graphics2D; | |
| 34 | +import java.awt.Rectangle; | |
| 35 | +import java.awt.Shape; | |
| 36 | +import java.awt.font.GlyphJustificationInfo; | |
| 37 | +import java.awt.font.FontRenderContext; | |
| 38 | +import java.awt.font.LineMetrics; | |
| 39 | +import java.awt.geom.AffineTransform; | |
| 40 | +import java.awt.geom.Rectangle2D; | |
| 41 | + | |
| 42 | +public interface TextLineComponent { | |
| 43 | + | |
| 44 | + public CoreMetrics getCoreMetrics(); | |
| 45 | + public void draw(Graphics2D g2d, float x, float y); | |
| 46 | + public Rectangle2D getCharVisualBounds(int index); | |
| 47 | + public Rectangle2D getVisualBounds(); | |
| 48 | + public float getAdvance(); | |
| 49 | + public Shape getOutline(float x, float y); | |
| 50 | + | |
| 51 | + public int getNumCharacters(); | |
| 52 | + | |
| 53 | + public float getCharX(int index); | |
| 54 | + public float getCharY(int index); | |
| 55 | + public float getCharAdvance(int index); | |
| 56 | + public boolean caretAtOffsetIsValid(int index); | |
| 57 | + | |
| 58 | + // measures characters in context, in logical order | |
| 59 | + public int getLineBreakIndex(int start, float width); | |
| 60 | + | |
| 61 | + // measures characters in context, in logical order | |
| 62 | + public float getAdvanceBetween(int start, int limit); | |
| 63 | + | |
| 64 | + public Rectangle2D getLogicalBounds(); | |
| 65 | + | |
| 66 | + public Rectangle2D getItalicBounds(); | |
| 67 | + | |
| 68 | + public AffineTransform getBaselineTransform(); | |
| 69 | + | |
| 70 | + // return true if this wraps a glyphvector with no baseline rotation and | |
| 71 | + // has no styles requiring complex pixel bounds calculations. | |
| 72 | + public boolean isSimple(); | |
| 73 | + | |
| 74 | + // return the pixel bounds if we wrap a glyphvector, else throw an | |
| 75 | + // internal error | |
| 76 | + public Rectangle getPixelBounds(FontRenderContext frc, float x, float y); | |
| 77 | + | |
| 78 | + /** | |
| 79 | + * Force subset characters to run left-to-right. | |
| 80 | + */ | |
| 81 | + public static final int LEFT_TO_RIGHT = 0; | |
| 82 | + /** | |
| 83 | + * Force subset characters to run right-to-left. | |
| 84 | + */ | |
| 85 | + public static final int RIGHT_TO_LEFT = 1; | |
| 86 | + | |
| 87 | + /** | |
| 88 | + * Leave subset character direction and ordering unchanged. | |
| 89 | + */ | |
| 90 | + public static final int UNCHANGED = 2; | |
| 91 | + | |
| 92 | + /** | |
| 93 | + * Return a TextLineComponent for the characters in the range | |
| 94 | + * start, limit. The range is relative to this TextLineComponent | |
| 95 | + * (ie, the first character is at 0). | |
| 96 | + * @param dir one of the constants LEFT_TO_RIGHT, RIGHT_TO_LEFT, or UNCHANGED | |
| 97 | + */ | |
| 98 | + public TextLineComponent getSubset(int start, int limit, int dir); | |
| 99 | + | |
| 100 | + /** | |
| 101 | + * Return the number of justification records this uses. | |
| 102 | + */ | |
| 103 | + public int getNumJustificationInfos(); | |
| 104 | + | |
| 105 | + /** | |
| 106 | + * Return GlyphJustificationInfo objects for the characters between | |
| 107 | + * charStart and charLimit, starting at offset infoStart. Infos | |
| 108 | + * will be in visual order. All positions between infoStart and | |
| 109 | + * getNumJustificationInfos will be set. If a position corresponds | |
| 110 | + * to a character outside the provided range, it is set to null. | |
| 111 | + */ | |
| 112 | + public void getJustificationInfos(GlyphJustificationInfo[] infos, int infoStart, int charStart, int charLimit); | |
| 113 | + | |
| 114 | + /** | |
| 115 | + * Apply deltas to the data in this component, starting at offset | |
| 116 | + * deltaStart, and return the new component. There are two floats | |
| 117 | + * for each justification info, for a total of 2 * getNumJustificationInfos. | |
| 118 | + * The first delta is the left adjustment, the second is the right | |
| 119 | + * adjustment. | |
| 120 | + * <p> | |
| 121 | + * If flags[0] is true on entry, rejustification is allowed. If | |
| 122 | + * the new component requires rejustification (ligatures were | |
| 123 | + * formed or split), flags[0] will be set on exit. | |
| 124 | + */ | |
| 125 | + public TextLineComponent applyJustificationDeltas(float[] deltas, int deltaStart, boolean[] flags); | |
| 126 | +} | |