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/*
* Copyright 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.fo.properties;
// FOP
import org.apache.fop.datatypes.Length;
import org.apache.fop.datatypes.Numeric;
import org.apache.fop.datatypes.PercentBaseContext;
import org.apache.fop.fo.Constants;
import org.apache.fop.fo.PropertyList;
import org.apache.fop.fo.expr.PropertyException;
import org.apache.fop.fonts.Font;
import org.apache.fop.fonts.FontInfo;
import org.apache.fop.fonts.FontMetrics;
/**
* Collection of properties used in
*/
public class CommonFont {
/**
* The "font-family" property.
*/
public String fontFamily;
/**
* The "font-selection-strategy" property.
*/
public int fontSelectionStrategy;
/**
* The "font-size" property.
*/
public Length fontSize;
/**
* The "font-stretch" property.
*/
public int fontStretch;
/**
* The "font-size-adjust" property.
*/
public Numeric fontSizeAdjust;
/**
* The "font-style" property.
*/
public int fontStyle;
/**
* The "font-variant" property.
*/
public int fontVariant;
/**
* The "font-weight" property.
*/
public int fontWeight;
private Font fontState;
/**
* Create a CommonFont object.
* @param pList The PropertyList to get properties from.
*/
public CommonFont(PropertyList pList) throws PropertyException {
fontFamily = pList.get(Constants.PR_FONT_FAMILY).getString();
fontSelectionStrategy = pList.get(Constants.PR_FONT_SELECTION_STRATEGY).getEnum();
fontSize = pList.get(Constants.PR_FONT_SIZE).getLength();
fontStretch = pList.get(Constants.PR_FONT_STRETCH).getEnum();
fontSizeAdjust = pList.get(Constants.PR_FONT_SIZE_ADJUST).getNumeric();
fontStyle = pList.get(Constants.PR_FONT_STYLE).getEnum();
fontVariant = pList.get(Constants.PR_FONT_VARIANT).getEnum();
fontWeight = pList.get(Constants.PR_FONT_WEIGHT).getEnum();
}
/**
* Create and return a Font object based on the properties.
*
* @param fontInfo
* @return a Font object.
*/
public Font getFontState(FontInfo fontInfo, PercentBaseContext context) {
if (fontState == null) {
/**@todo this is ugly. need to improve. */
int font_weight = 400;
if (fontWeight == Constants.EN_BOLDER) {
// +100 from inherited
} else if (fontWeight == Constants.EN_LIGHTER) {
// -100 from inherited
} else {
switch (fontWeight) {
case Constants.EN_100: font_weight = 100; break;
case Constants.EN_200: font_weight = 200; break;
case Constants.EN_300: font_weight = 300; break;
case Constants.EN_400: font_weight = 400; break;
case Constants.EN_500: font_weight = 500; break;
case Constants.EN_600: font_weight = 600; break;
case Constants.EN_700: font_weight = 700; break;
case Constants.EN_800: font_weight = 800; break;
case Constants.EN_900: font_weight = 900; break;
}
}
String style = "normal";
switch (fontStyle) {
case Constants.EN_ITALIC:
style = "italic";
break;
case Constants.EN_OBLIQUE:
style = "oblique";
break;
case Constants.EN_BACKSLANT:
style = "backslant";
break;
}
// NOTE: this is incomplete. font-size may be specified with
// various kinds of keywords too
//int fontVariant = propertyList.get("font-variant").getEnum();
String fname = fontInfo.fontLookup(fontFamily, style,
font_weight);
FontMetrics metrics = fontInfo.getMetricsFor(fname);
fontState = new Font(fname, metrics, fontSize.getValue(context));
}
return fontState;
}
}
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