mirror of https://github.com/noisymime/Arduino.git
138 lines
3.4 KiB
Java
138 lines
3.4 KiB
Java
/*
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* SyntaxStyle.java - A simple text style class
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* Copyright (C) 1999 Slava Pestov
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*
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* You may use and modify this package for any purpose. Redistribution is
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* permitted, in both source and binary form, provided that this notice
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* remains intact in all source distributions of this package.
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*/
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package processing.app.syntax;
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import java.awt.*;
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import java.util.StringTokenizer;
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/**
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* A simple text style class. It can specify the color, italic flag,
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* and bold flag of a run of text.
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* @author Slava Pestov
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* @version $Id$
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*/
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public class SyntaxStyle
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{
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/**
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* Creates a new SyntaxStyle.
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* @param color The text color
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* @param italic True if the text should be italics
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* @param bold True if the text should be bold
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*/
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public SyntaxStyle(Color color, boolean italic, boolean bold)
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{
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this.color = color;
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this.italic = italic;
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this.bold = bold;
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}
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/**
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* Returns the color specified in this style.
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*/
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public Color getColor()
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{
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return color;
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}
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/**
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* Returns true if no font styles are enabled.
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*/
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public boolean isPlain()
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{
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return !(bold || italic);
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}
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/**
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* Returns true if italics is enabled for this style.
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*/
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public boolean isItalic()
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{
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return italic;
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}
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/**
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* Returns true if boldface is enabled for this style.
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*/
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public boolean isBold()
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{
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return bold;
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}
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/**
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* Returns the specified font, but with the style's bold and
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* italic flags applied.
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*/
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public Font getStyledFont(Font font)
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{
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if(font == null)
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throw new NullPointerException("font param must not"
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+ " be null");
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if(font.equals(lastFont))
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return lastStyledFont;
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lastFont = font;
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lastStyledFont = new Font(font.getFamily(),
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(bold ? Font.BOLD : 0)
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| (italic ? Font.ITALIC : 0),
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font.getSize());
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return lastStyledFont;
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}
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/**
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* Returns the font metrics for the styled font.
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*/
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public FontMetrics getFontMetrics(Font font)
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{
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if(font == null)
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throw new NullPointerException("font param must not"
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+ " be null");
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if(font.equals(lastFont) && fontMetrics != null)
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return fontMetrics;
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lastFont = font;
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lastStyledFont = new Font(font.getFamily(),
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(bold ? Font.BOLD : 0)
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| (italic ? Font.ITALIC : 0),
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font.getSize());
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fontMetrics = Toolkit.getDefaultToolkit().getFontMetrics(
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lastStyledFont);
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return fontMetrics;
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}
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/**
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* Sets the foreground color and font of the specified graphics
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* context to that specified in this style.
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* @param gfx The graphics context
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* @param font The font to add the styles to
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*/
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public void setGraphicsFlags(Graphics gfx, Font font)
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{
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Font _font = getStyledFont(font);
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gfx.setFont(_font);
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gfx.setColor(color);
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}
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/**
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* Returns a string representation of this object.
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*/
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public String toString()
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{
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return getClass().getName() + "[color=" + color +
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(italic ? ",italic" : "") +
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(bold ? ",bold" : "") + "]";
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}
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// private members
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private Color color;
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private boolean italic;
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private boolean bold;
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private Font lastFont;
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private Font lastStyledFont;
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private FontMetrics fontMetrics;
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}
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