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/*
* $Id$
* Copyright (C) 2001 The Apache Software Foundation. All rights reserved.
* For details on use and redistribution please refer to the
* LICENSE file included with these sources.
*/
package org.apache.fop.layout;
import java.util.HashMap;
import org.apache.fop.apps.FOPException;
import org.apache.fop.fo.properties.FontVariant;
import org.apache.fop.render.pdf.CodePointMapping;
public class FontState {
private FontInfo _fontInfo;
private String _fontName;
private int _fontSize;
private String _fontFamily;
private String _fontStyle;
private String _fontWeight;
private int _fontVariant;
private FontMetric _metric;
private static HashMap EMPTY_HASHMAP = new HashMap();
public FontState(FontInfo fontInfo, String fontFamily, String fontStyle,
String fontWeight, int fontSize,
int fontVariant) throws FOPException {
_fontInfo = fontInfo;
_fontFamily = fontFamily;
_fontStyle = fontStyle;
_fontWeight = fontWeight;
_fontSize = fontSize;
_fontName = fontInfo.fontLookup(fontFamily, fontStyle, fontWeight);
_metric = fontInfo.getMetricsFor(_fontName);
_fontVariant = fontVariant;
}
public int getAscender() {
return _metric.getAscender(_fontSize) / 1000;
}
public int getCapHeight() {
return _metric.getCapHeight(_fontSize) / 1000;
}
public int getDescender() {
return _metric.getDescender(_fontSize) / 1000;
}
public String getFontName() {
return _fontName;
}
public int getFontSize() {
return _fontSize;
}
public String getFontWeight() {
return _fontWeight;
}
public String getFontFamily() {
return _fontFamily;
}
public String getFontStyle() {
return _fontStyle;
}
public int getFontVariant() {
return _fontVariant;
}
public FontInfo getFontInfo() {
return _fontInfo;
}
public int getXHeight() {
return _metric.getXHeight(_fontSize) / 1000;
}
public HashMap getKerning() {
if (_metric instanceof FontDescriptor) {
HashMap ret = ((FontDescriptor)_metric).getKerningInfo();
if (ret != null)
return ret;
}
return EMPTY_HASHMAP;
}
public int width(int charnum) {
// returns width of given character number in millipoints
return (_metric.width(charnum, _fontSize) / 1000);
}
/**
* Map a java character (unicode) to a font character
* Default uses CodePointMapping
*/
public char mapChar(char c) {
if (_metric instanceof org.apache.fop.render.pdf.Font) {
return ((org.apache.fop.render.pdf.Font)_metric).mapChar(c);
}
// Use default CodePointMapping
char d = CodePointMapping.getMapping("WinAnsiEncoding").mapChar(c);
if (d != 0) {
c = d;
} else {
c = '#';
}
return c;
}
public String toString() {
StringBuffer sbuf = new StringBuffer();
sbuf.append('(');
sbuf.append(_fontFamily);
sbuf.append(',');
sbuf.append(_fontName);
sbuf.append(',');
sbuf.append(_fontSize);
sbuf.append(',');
sbuf.append(_fontStyle);
sbuf.append(',');
sbuf.append(_fontWeight);
sbuf.append(')');
return sbuf.toString();
}
}
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