19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed to the Apache Software Foundation (ASF) under one or more 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * contributor license agreements. See the NOTICE file distributed with 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this work for additional information regarding copyright ownership. 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The ASF licenses this file to You under the Apache License, Version 2.0 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (the "License"); you may not use this file except in compliance with 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the License. You may obtain a copy of the License at 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @author Ilya S. Okomin 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @version $Revision$ 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage java.awt.font; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.awt.Graphics2D; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.awt.geom.Rectangle2D; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport org.apache.harmony.awt.internal.nls.Messages; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The GraphicAttribute abstract class provides an opportunity to insert 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * graphical elements in printed text. 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @since Android 1.0 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic abstract class GraphicAttribute { 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The Constant TOP_ALIGNMENT indicates using the top line to calculate 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * placement of graphics. 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int TOP_ALIGNMENT = -1; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The Constant BOTTOM_ALIGNMENT indicates using the bottom line to 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * calculate placement of graphics. 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int BOTTOM_ALIGNMENT = -2; 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The Constant ROMAN_BASELINE indicates the placement of the roman baseline 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * with respect to the graphics origin. 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int ROMAN_BASELINE = 0; 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The Constant CENTER_BASELINE indicates the placement of the center 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * baseline with respect to the graphics origin. 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CENTER_BASELINE = 1; 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The Constant HANGING_BASELINE indicates the placement of the hanging 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * baseline with respect to the graphics origin. 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int HANGING_BASELINE = 2; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the alignment of this GraphicAttribute 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The alignment. 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int alignment; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Instantiates a new graphic attribute with the specified alignment. 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param align 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the specified alignment. 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected GraphicAttribute(int align) { 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((align < BOTTOM_ALIGNMENT) || (align > HANGING_BASELINE)) { 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // awt.198=Illegal alignment argument 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException(Messages.getString("awt.198")); //$NON-NLS-1$ 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.alignment = align; 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Draws the GraphicAttribute at the specified location. 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param graphics 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the Graphics. 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param x 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the X coordinate of GraphicAttribute location. 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param y 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the Y coordinate of GraphicAttribute location. 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public abstract void draw(Graphics2D graphics, float x, float y); 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the GraphicAttribute's advance. It's the distance from the point at 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * which the graphic is rendered and the point where the next character or 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * graphic is rendered. 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the GraphicAttribute's advance. 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public abstract float getAdvance(); 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the alignment of this GraphicAttribute. 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the alignment of this GraphicAttribute. 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final int getAlignment() { 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this.alignment; 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the ascent of this GraphicAttribute. 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the ascent of this GraphicAttribute. 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public abstract float getAscent(); 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the bounds of this GraphicAttribute. 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the bounds of this GraphicAttribute. 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Rectangle2D getBounds() { 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float ascent = getAscent(); 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float advance = getAdvance(); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float descent = getDescent(); 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Default implementation - see API documentation. 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new Rectangle2D.Float(0, -ascent, advance, ascent + descent); 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the descent of this GraphicAttribute. 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the descent of this GraphicAttribute. 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public abstract float getDescent(); 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the GlyphJustificationInfo of this GraphicAttribute. 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the GlyphJustificationInfo of this GraphicAttribute. 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public GlyphJustificationInfo getJustificationInfo() { 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Default implementation. Since documentation doesn't describe default 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values, they were calculated based on 1.5 release behavior and can be 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * obtained using next test sample: // Create GraphicAttribute class 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * implementation public class MyGraphicAttribute extends 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * GraphicAttribute { protected MyGraphicAttribute(int align) { 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * super(align); } public float getDescent() { return 0; } public float 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * getAdvance() { return 1; } public void draw(Graphics2D g2, float x, 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * float y) { } public float getAscent() { return 0; } } 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * MyGraphicAttribute myGA = gat.new MyGraphicAttribute(0); // print 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * justification parameters 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * System.out.println(myGA.getJustificationInfo().growAbsorb); 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * System.out.println(myGA.getJustificationInfo().shrinkAbsorb); 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * System.out.println(myGA.getJustificationInfo().growLeftLimit); 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * System.out.println(myGA.getJustificationInfo().growPriority); 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * System.out.println(myGA.getJustificationInfo().growRightLimit); 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * System.out.println(myGA.getJustificationInfo().shrinkLeftLimit); 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * System.out.println(myGA.getJustificationInfo().shrinkPriority); 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * System.out.println(myGA.getJustificationInfo().shrinkRightLimit); 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * System.out.println(myGA.getJustificationInfo().weight); 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float advance = getAdvance(); 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new GlyphJustificationInfo(advance, false, 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GlyphJustificationInfo.PRIORITY_INTERCHAR, advance / 3, advance / 3, false, 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GlyphJustificationInfo.PRIORITY_WHITESPACE, 0, 0); 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 180