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FlatRobotoFont.java
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FlatRobotoFont.java
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/*
* Copyright 2022 FormDev Software GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.formdev.flatlaf.fonts.roboto;
import java.awt.Font;
import java.awt.FontFormatException;
import java.awt.GraphicsEnvironment;
import java.io.IOException;
import java.io.InputStream;
/**
* The Roboto font family.
* <p>
* Font home page: <a href="https://fonts.google.com/specimen/Roboto">https://fonts.google.com/specimen/Roboto</a><br>
* GitHub project: <a href="https://github.com/googlefonts/roboto">https://github.com/googlefonts/roboto</a>
* <p>
* To install the font, invoke following once (e.g. in your {@code main()} method; on AWT thread):
* <pre>{@code
* FlatRobotoFont.install();
* }</pre>
* <p>
* Use as default font:
* <pre>{@code
* FlatLaf.setPreferredFontFamily( FlatRobotoFont.FAMILY );
* FlatLaf.setPreferredLightFontFamily( FlatRobotoFont.FAMILY_LIGHT );
* FlatLaf.setPreferredSemiboldFontFamily( FlatRobotoFont.FAMILY_SEMIBOLD );
* }</pre>
* <p>
* Create fonts:
* <pre>{@code
* new Font( FlatRobotoFont.FAMILY, Font.PLAIN, 12 );
* new Font( FlatRobotoFont.FAMILY, Font.ITALIC, 12 );
* new Font( FlatRobotoFont.FAMILY, Font.BOLD, 12 );
* new Font( FlatRobotoFont.FAMILY, Font.BOLD | Font.ITALIC, 12 );
* new Font( FlatRobotoFont.FAMILY_LIGHT, Font.PLAIN, 12 );
* new Font( FlatRobotoFont.FAMILY_LIGHT, Font.ITALIC, 12 );
* new Font( FlatRobotoFont.FAMILY_SEMIBOLD, Font.PLAIN, 12 );
* new Font( FlatRobotoFont.FAMILY_SEMIBOLD, Font.ITALIC, 12 );
* }</pre>
*
* @author Karl Tauber
*/
public class FlatRobotoFont
{
/**
* Family name for basic styles (regular, italic and bold).
* <p>
* Usage:
* <pre>{@code
* new Font( FlatRobotoFont.FAMILY, Font.PLAIN, 12 );
* new Font( FlatRobotoFont.FAMILY, Font.ITALIC, 12 );
* new Font( FlatRobotoFont.FAMILY, Font.BOLD, 12 );
* new Font( FlatRobotoFont.FAMILY, Font.BOLD | Font.ITALIC, 12 );
* }</pre>
*/
public static final String FAMILY = "Roboto";
/**
* Family name for light styles.
* <p>
* Usage:
* <pre>{@code
* new Font( FlatRobotoFont.FAMILY_LIGHT, Font.PLAIN, 12 );
* new Font( FlatRobotoFont.FAMILY_LIGHT, Font.ITALIC, 12 );
* }</pre>
*/
public static final String FAMILY_LIGHT = "Roboto Light";
/**
* Family name for semibold styles.
* <p>
* Usage:
* <pre>{@code
* new Font( FlatRobotoFont.FAMILY_SEMIBOLD, Font.PLAIN, 12 );
* new Font( FlatRobotoFont.FAMILY_SEMIBOLD, Font.ITALIC, 12 );
* }</pre>
*/
public static final String FAMILY_SEMIBOLD = "Roboto Medium";
/**
* Use for {@link #installStyle(String)} to install single font style.
*/
public static final String
// basic styles
STYLE_REGULAR = "Roboto-Regular.ttf",
STYLE_ITALIC = "Roboto-Italic.ttf",
STYLE_BOLD = "Roboto-Bold.ttf",
STYLE_BOLD_ITALIC = "Roboto-BoldItalic.ttf",
// light
STYLE_LIGHT = "Roboto-Light.ttf",
STYLE_LIGHT_ITALIC = "Roboto-LightItalic.ttf",
// semibold
STYLE_SEMIBOLD = "Roboto-Medium.ttf",
STYLE_SEMIBOLD_ITALIC = "Roboto-MediumItalic.ttf";
private FlatRobotoFont() {}
/**
* Creates and registers the fonts for all styles.
*/
public static void install() {
// basic styles
installStyle( STYLE_REGULAR );
installStyle( STYLE_ITALIC );
installStyle( STYLE_BOLD );
installStyle( STYLE_BOLD_ITALIC );
// light
installStyle( STYLE_LIGHT );
installStyle( STYLE_LIGHT_ITALIC );
// semibold
installStyle( STYLE_SEMIBOLD );
installStyle( STYLE_SEMIBOLD_ITALIC );
}
/**
* Creates and registers the font for the given style.
* See {@code STYLE_} constants.
*/
public static boolean installStyle( String name ) {
try( InputStream in = FlatRobotoFont.class.getResourceAsStream( name ) ) {
Font font = Font.createFont( Font.TRUETYPE_FONT, in );
return GraphicsEnvironment.getLocalGraphicsEnvironment().registerFont( font );
} catch( FontFormatException ex ) {
ex.printStackTrace();
return false;
} catch( IOException ex ) {
ex.printStackTrace();
return false;
}
}
}