javax.swing.text.StyleContext#getFont ( )源码实例Demo

public static Font loadByStr(String fontDesc) {
	String[] parts = fontDesc.split("-");
	if (parts.length != 3) {
		throw new JadxRuntimeException("Unsupported font description format: " + fontDesc);
	}
	String name = parts[0];
	int style = parseFontStyle(parts[1]);
	int size = Integer.parseInt(parts[2]);

	StyleContext sc = StyleContext.getDefaultStyleContext();
	Font font = sc.getFont(name, style, size);
	if (font == null) {
		throw new JadxRuntimeException("Font not found: " + fontDesc);
	}
	return font;
}
 

/**
 * Returns the font for the values in the passed in AttributeSet.
 * It is assumed the keys will be CSS.Attribute keys.
 * <code>sc</code> is the StyleContext that will be messaged to get
 * the font once the size, name and style have been determined.
 */
Font getFont(StyleContext sc, AttributeSet a, int defaultSize, StyleSheet ss) {
    ss = getStyleSheet(ss);
    int size = getFontSize(a, defaultSize, ss);

    /*
     * If the vertical alignment is set to either superscript or
     * subscript we reduce the font size by 2 points.
     */
    StringValue vAlignV = (StringValue)a.getAttribute
                          (CSS.Attribute.VERTICAL_ALIGN);
    if ((vAlignV != null)) {
        String vAlign = vAlignV.toString();
        if ((vAlign.indexOf("sup") >= 0) ||
            (vAlign.indexOf("sub") >= 0)) {
            size -= 2;
        }
    }

    FontFamily familyValue = (FontFamily)a.getAttribute
                                        (CSS.Attribute.FONT_FAMILY);
    String family = (familyValue != null) ? familyValue.getValue() :
                              Font.SANS_SERIF;
    int style = Font.PLAIN;
    FontWeight weightValue = (FontWeight) a.getAttribute
                              (CSS.Attribute.FONT_WEIGHT);
    if ((weightValue != null) && (weightValue.getValue() > 400)) {
        style |= Font.BOLD;
    }
    Object fs = a.getAttribute(CSS.Attribute.FONT_STYLE);
    if ((fs != null) && (fs.toString().indexOf("italic") >= 0)) {
        style |= Font.ITALIC;
    }
    if (family.equalsIgnoreCase("monospace")) {
        family = Font.MONOSPACED;
    }
    Font f = sc.getFont(family, style, size);
    if (f == null
        || (f.getFamily().equals(Font.DIALOG)
            && ! family.equalsIgnoreCase(Font.DIALOG))) {
        family = Font.SANS_SERIF;
        f = sc.getFont(family, style, size);
    }
    return f;
}