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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/**
 * 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
 * <A HREF=http://www.microsoft.com/typography/otspec/os2.htm#wtc>
 * OpenType font specification</A>.
 * The CSS 3 specification references the same as a sequence of values.
 * @since JavaFX 2.0
 */
public enum FontWeight {

    
represents Thin font weight (100).
/**
     * represents Thin font weight (100).
     */
    THIN(100, "Thin"),

    
represents 'Extra Light' font weight (200).
/**
     * represents 'Extra Light' font weight (200).
     */
    EXTRA_LIGHT(200, "Extra Light", "Ultra Light"),

    
represents Light font weight (300).
/**
     * represents Light font weight (300).
     */
    LIGHT(300, "Light"),

    
represents Normal font weight (400).
/**
     * represents Normal font weight (400).
     */
    NORMAL(400, "Normal", "Regular"),

    
represents Medium font weight (500).
/**
     * represents Medium font weight (500).
     */
    MEDIUM(500, "Medium"),

    
represents 'Demi Bold' font weight (600).
/**
     * represents 'Demi Bold' font weight (600).
     */
    SEMI_BOLD(600, "Semi Bold", "Demi Bold"),

    
represents Bold font weight (700).
/**
     * represents Bold font weight (700).
     */
    BOLD(700, "Bold"),

    
represents 'Extra Bold' font weight (800).
/**
     * represents 'Extra Bold' font weight (800).
     */
    EXTRA_BOLD(800, "Extra Bold", "Ultra Bold"),

    
represents Black font weight (900).
/**
     * 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 FontWeight. 
Returns:
weight/**
     * Return the visual weight (degree of blackness or thickness)
     * specified by this {@code FontWeight}.
     * @return weight
     */
    public int getWeight() {
        return weight;
    }

    
Returns FontWeight by its name. 
Params:
name – name of the FontWeight
Returns:
the FontWeight by its name/**
     * 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 FontWeight for a weight value as defined by the CSS and OpenType specifications. Where the specified value is equidistant between two 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 FontWeight instances and does not mean that a font of that weight will be available. 
Params:
weight – the weight value
Returns:
closest FontWeight/**
     * 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;
        }
    }
}