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106 lines
4.2 KiB
Java
106 lines
4.2 KiB
Java
/*
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* Copyright (c) 1997, 2013, 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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package java.awt.font;
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import java.awt.Font;
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/**
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* The {@code MultipleMaster} interface represents Type 1
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* Multiple Master fonts.
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* A particular {@link Font} object can implement this interface.
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*/
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public interface MultipleMaster {
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/**
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* Returns the number of multiple master design controls.
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* Design axes include things like width, weight and optical scaling.
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* @return the number of multiple master design controls
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*/
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public int getNumDesignAxes();
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/**
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* Returns an array of design limits interleaved in the form [from→to]
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* for each axis. For example,
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* design limits for weight could be from 0.1 to 1.0. The values are
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* returned in the same order returned by
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* {@code getDesignAxisNames}.
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* @return an array of design limits for each axis.
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*/
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public float[] getDesignAxisRanges();
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/**
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* Returns an array of default design values for each axis. For example,
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* the default value for weight could be 1.6. The values are returned
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* in the same order returned by {@code getDesignAxisNames}.
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* @return an array of default design values for each axis.
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*/
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public float[] getDesignAxisDefaults();
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/**
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* Returns the name for each design axis. This also determines the order in
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* which the values for each axis are returned.
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* @return an array containing the names of each design axis.
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*/
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public String[] getDesignAxisNames();
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/**
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* Creates a new instance of a multiple master font based on the design
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* axis values contained in the specified array. The size of the array
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* must correspond to the value returned from
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* {@code getNumDesignAxes} and the values of the array elements
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* must fall within limits specified by
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* {@code getDesignAxesLimits}. In case of an error,
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* {@code null} is returned.
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* @param axes an array containing axis values
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* @return a {@link Font} object that is an instance of
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* {@code MultipleMaster} and is based on the design axis values
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* provided by {@code axes}.
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*/
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public Font deriveMMFont(float[] axes);
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/**
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* Creates a new instance of a multiple master font based on detailed metric
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* information. In case of an error, {@code null} is returned.
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* @param glyphWidths an array of floats representing the desired width
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* of each glyph in font space
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* @param avgStemWidth the average stem width for the overall font in
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* font space
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* @param typicalCapHeight the height of a typical upper case char
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* @param typicalXHeight the height of a typical lower case char
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* @param italicAngle the angle at which the italics lean, in degrees
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* counterclockwise from vertical
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* @return a {@code Font} object that is an instance of
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* {@code MultipleMaster} and is based on the specified metric
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* information.
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*/
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public Font deriveMMFont(
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float[] glyphWidths,
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float avgStemWidth,
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float typicalCapHeight,
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float typicalXHeight,
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float italicAngle);
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}
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