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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 | +} | |