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- /*
- * Copyright 1999-2004 The Apache Software Foundation.
- *
- * 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
- *
- * http://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.
- */
-
- /* $Id$ */
-
- package org.apache.fop.fonts;
-
- import java.util.Map;
-
-
- /**
- * Main interface for access to font metrics.
- */
- public interface FontMetrics {
-
- /**
- * Returns the font name.
- * @return the font name
- */
- String getFontName();
-
-
- /**
- * Returns the type of the font.
- * @return the font type
- */
- FontType getFontType();
-
-
- /**
- * Returns the ascent of the font described by this
- * FontMetrics object.
- * @param size font size
- * @return ascent in milliponts
- */
- int getAscender(int size);
-
- /**
- * Returns the size of a capital letter measured from the font's baseline.
- * @param size font size
- * @return height of capital characters
- */
- int getCapHeight(int size);
-
-
- /**
- * Returns the descent of the font described by this
- * FontMetrics object.
- * @param size font size
- * @return descent in milliponts
- */
- int getDescender(int size);
-
-
- /**
- * Determines the typical font height of this
- * FontMetrics object
- * @param size font size
- * @return font height in millipoints
- */
- int getXHeight(int size);
-
- /**
- * Return the width (in 1/1000ths of point size) of the character at
- * code point i.
- * @param i code point index
- * @param size font size
- * @return the width of the character
- */
- int getWidth(int i, int size);
-
- /**
- * Return the array of widths.
- * <p>
- * This is used to get an array for inserting in an output format.
- * It should not be used for lookup.
- * @return an array of widths
- */
- int[] getWidths();
-
- /**
- * Indicates if the font has kering information.
- * @return True, if kerning is available.
- */
- boolean hasKerningInfo();
-
- /**
- * Returns the kerning map for the font.
- * @return the kerning map
- */
- Map getKerningInfo();
-
- }
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