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src/java.desktop/share/classes/java/awt/Font.java

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2127      *
2128      * @param attributes a map of attributes enabled for the new
2129      * {@code Font}
2130      * @return a new {@code Font} object.
2131      * @since 1.2
2132      */
2133     public Font deriveFont(Map<? extends Attribute, ?> attributes) {
2134         if (attributes == null) {
2135             return this;
2136         }
2137         AttributeValues newValues = getAttributeValues().clone();
2138         newValues.merge(attributes, RECOGNIZED_MASK);
2139 
2140         return new Font(newValues, name, style, createdFont, font2DHandle);
2141     }
2142 
2143     /**
2144      * Checks if this {@code Font} has a glyph for the specified
2145      * character.
2146      *
2147      * <p> <b>Note:</b> This method cannot handle
2148      * <a href="../../../java.base/java/lang/Character.html#supplementary">
2149      * supplementary characters</a>.
2150      * To support all Unicode characters, including
2151      * supplementary characters, use the {@link #canDisplay(int)}
2152      * method or {@code canDisplayUpTo} methods.
2153      *
2154      * @param c the character for which a glyph is needed
2155      * @return {@code true} if this {@code Font} has a glyph for this
2156      *          character; {@code false} otherwise.
2157      * @since 1.2
2158      */
2159     public boolean canDisplay(char c){
2160         return getFont2D().canDisplay(c);
2161     }
2162 
2163     /**
2164      * Checks if this {@code Font} has a glyph for the specified
2165      * character.
2166      *
2167      * @param codePoint the character (Unicode code point) for which a glyph
2168      *        is needed.
2169      * @return {@code true} if this {@code Font} has a glyph for the
2170      *          character; {@code false} otherwise.




2127      *
2128      * @param attributes a map of attributes enabled for the new
2129      * {@code Font}
2130      * @return a new {@code Font} object.
2131      * @since 1.2
2132      */
2133     public Font deriveFont(Map<? extends Attribute, ?> attributes) {
2134         if (attributes == null) {
2135             return this;
2136         }
2137         AttributeValues newValues = getAttributeValues().clone();
2138         newValues.merge(attributes, RECOGNIZED_MASK);
2139 
2140         return new Font(newValues, name, style, createdFont, font2DHandle);
2141     }
2142 
2143     /**
2144      * Checks if this {@code Font} has a glyph for the specified
2145      * character.
2146      *
2147      * <p> <b>Note:</b> This method cannot handle <a
2148      * href="../../java/lang/Character.html#supplementary"> supplementary
2149      * characters</a>. To support all Unicode characters, including

2150      * supplementary characters, use the {@link #canDisplay(int)}
2151      * method or {@code canDisplayUpTo} methods.
2152      *
2153      * @param c the character for which a glyph is needed
2154      * @return {@code true} if this {@code Font} has a glyph for this
2155      *          character; {@code false} otherwise.
2156      * @since 1.2
2157      */
2158     public boolean canDisplay(char c){
2159         return getFont2D().canDisplay(c);
2160     }
2161 
2162     /**
2163      * Checks if this {@code Font} has a glyph for the specified
2164      * character.
2165      *
2166      * @param codePoint the character (Unicode code point) for which a glyph
2167      *        is needed.
2168      * @return {@code true} if this {@code Font} has a glyph for the
2169      *          character; {@code false} otherwise.


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