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/*
* Copyright (c) 2008, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package javafx.scene.text;
/**
* Specifies different font weights which can be used when searching for a
* font on the system.
* The names correspond to pre-defined weights in the OS/2 table of the
*
* OpenType font specification.
* The CSS 3 specification references the same as a sequence of values.
* @since JavaFX 2.0
*/
public enum FontWeight {
/**
* represents Thin font weight (100).
*/
THIN(100, "Thin"),
/**
* represents 'Extra Light' font weight (200).
*/
EXTRA_LIGHT(200, "Extra Light", "Ultra Light"),
/**
* represents Light font weight (300).
*/
LIGHT(300, "Light"),
/**
* represents Normal font weight (400).
*/
NORMAL(400, "Normal", "Regular"),
/**
* represents Medium font weight (500).
*/
MEDIUM(500, "Medium"),
/**
* represents 'Demi Bold' font weight (600).
*/
SEMI_BOLD(600, "Semi Bold", "Demi Bold"),
/**
* represents Bold font weight (700).
*/
BOLD(700, "Bold"),
/**
* represents 'Extra Bold' font weight (800).
*/
EXTRA_BOLD(800, "Extra Bold", "Ultra Bold"),
/**
* represents Black font weight (900).
*/
BLACK(900, "Black", "Heavy");
private final int weight;
private final String[] names;
private FontWeight(int weight, String... names) {
this.weight = weight;
this.names = names;
}
/**
* Return the visual weight (degree of blackness or thickness)
* specified by this {@code FontWeight}.
* @return weight
*/
public int getWeight() {
return weight;
}
/**
* Returns {@code FontWeight} by its name.
*
* @param name name of the {@code FontWeight}
* @return the FontWeight by its name
*/
public static FontWeight findByName(String name) {
if (name == null) return null;
for (FontWeight w : FontWeight.values()) {
for (String n : w.names) {
if (n.equalsIgnoreCase(name)) return w;
}
}
return null;
}
/**
* Returns the closest {@code FontWeight} for a weight
* value as defined by the CSS and OpenType specifications.
* Where the specified value is equidistant between two
* {@code FontWeight} values, then the implementation may
* select either at its discretion.
* This lookup is without reference to a font, so this is
* purely a mapping to the set of {@code FontWeight} instances
* and does not mean that a font of that weight will be available.
* @param weight the weight value
* @return closest {@code FontWeight}
*/
public static FontWeight findByWeight(int weight) {
if (weight <= 150) {
return THIN;
} else if (weight <= 250) {
return EXTRA_LIGHT;
} else if (weight < 350) {
return LIGHT;
} else if (weight <= 450) {
return NORMAL;
} else if (weight <= 550) {
return MEDIUM;
} else if (weight < 650) {
return SEMI_BOLD;
} else if (weight <= 750) {
return BOLD;
} else if (weight <= 850) {
return EXTRA_BOLD;
} else {
return BLACK;
}
}
}
