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| 1 | /* | ||
| 2 | * Copyright (c) 1997, 1998, 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 | package java.awt.font; | ||
| 26 | |||
| 27 | import java.awt.Font; | ||
| 28 | |||
| 29 | /** | ||
| 30 | * The <code>MultipleMaster</code> interface represents Type 1 | ||
| 31 | * Multiple Master fonts. | ||
| 32 | * A particular {@link Font} object can implement this interface. | ||
| 33 | */ | ||
| 34 | public interface MultipleMaster { | ||
| 35 | |||
| 36 | /** | ||
| 37 | * Returns the number of multiple master design controls. | ||
| 38 | * Design axes include things like width, weight and optical scaling. | ||
| 39 | * @return the number of multiple master design controls | ||
| 40 | */ | ||
| 41 | public int getNumDesignAxes(); | ||
| 42 | |||
| 43 | /** | ||
| 44 | * Returns an array of design limits interleaved in the form [from->to] | ||
| 45 | * for each axis. For example, | ||
| 46 | * design limits for weight could be from 0.1 to 1.0. The values are | ||
| 47 | * returned in the same order returned by | ||
| 48 | * <code>getDesignAxisNames</code>. | ||
| 49 | * @return an array of design limits for each axis. | ||
| 50 | */ | ||
| 51 | public float[] getDesignAxisRanges(); | ||
| 52 | |||
| 53 | /** | ||
| 54 | * Returns an array of default design values for each axis. For example, | ||
| 55 | * the default value for weight could be 1.6. The values are returned | ||
| 56 | * in the same order returned by <code>getDesignAxisNames</code>. | ||
| 57 | * @return an array of default design values for each axis. | ||
| 58 | */ | ||
| 59 | public float[] getDesignAxisDefaults(); | ||
| 60 | |||
| 61 | /** | ||
| 62 | * Returns the name for each design axis. This also determines the order in | ||
| 63 | * which the values for each axis are returned. | ||
| 64 | * @return an array containing the names of each design axis. | ||
| 65 | */ | ||
| 66 | public String[] getDesignAxisNames(); | ||
| 67 | |||
| 68 | /** | ||
| 69 | * Creates a new instance of a multiple master font based on the design | ||
| 70 | * axis values contained in the specified array. The size of the array | ||
| 71 | * must correspond to the value returned from | ||
| 72 | * <code>getNumDesignAxes</code> and the values of the array elements | ||
| 73 | * must fall within limits specified by | ||
| 74 | * <code>getDesignAxesLimits</code>. In case of an error, | ||
| 75 | * <code>null</code> is returned. | ||
| 76 | * @param axes an array containing axis values | ||
| 77 | * @return a {@link Font} object that is an instance of | ||
| 78 | * <code>MultipleMaster</code> and is based on the design axis values | ||
| 79 | * provided by <code>axes</code>. | ||
| 80 | */ | ||
| 81 | public Font deriveMMFont(float[] axes); | ||
| 82 | |||
| 83 | /** | ||
| 84 | * Creates a new instance of a multiple master font based on detailed metric | ||
| 85 | * information. In case of an error, <code>null</code> is returned. | ||
| 86 | * @param glyphWidths an array of floats representing the desired width | ||
| 87 | * of each glyph in font space | ||
| 88 | * @param avgStemWidth the average stem width for the overall font in | ||
| 89 | * font space | ||
| 90 | * @param typicalCapHeight the height of a typical upper case char | ||
| 91 | * @param typicalXHeight the height of a typical lower case char | ||
| 92 | * @param italicAngle the angle at which the italics lean, in degrees | ||
| 93 | * counterclockwise from vertical | ||
| 94 | * @return a <code>Font</code> object that is an instance of | ||
| 95 | * <code>MultipleMaster</code> and is based on the specified metric | ||
| 96 | * information. | ||
| 97 | */ | ||
| 98 | public Font deriveMMFont( | ||
| 99 | float[] glyphWidths, | ||
| 100 | float avgStemWidth, | ||
| 101 | float typicalCapHeight, | ||
| 102 | float typicalXHeight, | ||
| 103 | float italicAngle); | ||
| 104 | |||
| 105 | |||
| 106 | } | ||