org.apache.poi.xssf.usermodel.XSSFFontFormatting Maven / Gradle / Ivy

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The Apache Commons Codec package contains simple encoder and decoders for various formats such as Base64 and Hexadecimal. In addition to these widely used encoders and decoders, the codec package also maintains a collection of phonetic encoding utilities.
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/*
 *  ====================================================================
 *    Licensed to the Apache Software Foundation (ASF) under one or more
 *    contributor license agreements.  See the NOTICE file distributed with
 *    this work for additional information regarding copyright ownership.
 *    The ASF licenses this file to You 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.
 * ====================================================================
 */
package org.apache.poi.xssf.usermodel;

import org.apache.poi.ss.usermodel.*;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTFont;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTUnderlineProperty;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.STUnderlineValues;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTBooleanProperty;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTColor;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTFontSize;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTVerticalAlignFontProperty;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.STVerticalAlignRun;


/**
 * @author Yegor Kozlov
 */
public class XSSFFontFormatting implements FontFormatting {
    private IndexedColorMap _colorMap;
    private CTFont _font;

    /*package*/ XSSFFontFormatting(CTFont font, IndexedColorMap colorMap) {
        _font = font;
        _colorMap = colorMap;
    }

    /**
     * get the type of super or subscript for the font
     *
     * @return super or subscript option
     * @see #SS_NONE
     * @see #SS_SUPER
     * @see #SS_SUB
     */
    @Override
    public short getEscapementType(){
        if(_font.sizeOfVertAlignArray() == 0) return SS_NONE;

        CTVerticalAlignFontProperty prop = _font.getVertAlignArray(0);
        return (short)(prop.getVal().intValue() - 1);
   }

    /**
     * set the escapement type for the font
     *
     * @param escapementType  super or subscript option
     * @see #SS_NONE
     * @see #SS_SUPER
     * @see #SS_SUB
     */
    @Override
    public void setEscapementType(short escapementType){
        _font.setVertAlignArray(null);
        if(escapementType != SS_NONE){
            _font.addNewVertAlign().setVal(STVerticalAlignRun.Enum.forInt(escapementType + 1));
        }
    }

    /**
     * XMLBeans and the XSD make this look like it can have multiple values, but it is maxOccurrs=1.
     * Use get*Array(), it is much faster than get*List().
     * 
     * @see org.apache.poi.ss.usermodel.FontFormatting#isStruckout()
     */
    @Override
    public boolean isStruckout() {
        for (CTBooleanProperty bProp : _font.getStrikeArray()) return bProp.getVal();
        return false; 
    }

    /**
     * @return font color index
     */
    @Override
    public short getFontColorIndex(){
        if(_font.sizeOfColorArray() == 0) return -1;

        int idx = 0;
        CTColor color = _font.getColorArray(0);
        if(color.isSetIndexed()) idx = (int)color.getIndexed();
        return (short)idx;
    }

    /**
     * @param color font color index
     */
    @Override
    public void setFontColorIndex(short color){
        _font.setColorArray(null);
        if(color != -1){
            _font.addNewColor().setIndexed(color);
        }
    }

    @Override
    public XSSFColor getFontColor() {
        if(_font.sizeOfColorArray() == 0) return null;

        return XSSFColor.from(_font.getColorArray(0), _colorMap);
    }

    @Override
    public void setFontColor(Color color) {
        XSSFColor xcolor = XSSFColor.toXSSFColor(color);
        if (xcolor == null) {
            _font.getColorList().clear();
        } else if(_font.sizeOfColorArray() == 0) {
            _font.addNewColor().setRgb(xcolor.getRGB());
        } else {
            _font.setColorArray(0, xcolor.getCTColor());
        }
    }

    /**
     * gets the height of the font in 1/20th point units
     *
     * @return fontheight (in points/20); or -1 if not modified
     */
    @Override
    public int getFontHeight(){
        if(_font.sizeOfSzArray() == 0) return -1;

        CTFontSize sz = _font.getSzArray(0);
        return (int)(20*sz.getVal());
    }

    /**
     * Sets the height of the font in 1/20th point units
     *
     * @param height the height in twips (in points/20)
     */
    @Override
    public void setFontHeight(int height){
        _font.setSzArray(null);
        if(height != -1){
            _font.addNewSz().setVal((double)height / 20);
        }
    }

    /**
     * get the type of underlining for the font
     *
     * @return font underlining type
     *
     * @see #U_NONE
     * @see #U_SINGLE
     * @see #U_DOUBLE
     * @see #U_SINGLE_ACCOUNTING
     * @see #U_DOUBLE_ACCOUNTING
     */
    @Override
    public short getUnderlineType(){
        if(_font.sizeOfUArray() == 0) return U_NONE;
        CTUnderlineProperty u = _font.getUArray(0);
        switch(u.getVal().intValue()){
            case STUnderlineValues.INT_SINGLE: return U_SINGLE;
            case STUnderlineValues.INT_DOUBLE: return U_DOUBLE;
            case STUnderlineValues.INT_SINGLE_ACCOUNTING: return U_SINGLE_ACCOUNTING;
            case STUnderlineValues.INT_DOUBLE_ACCOUNTING: return U_DOUBLE_ACCOUNTING;
            default: return U_NONE;
        }
    }

    /**
     * set the type of underlining type for the font
     *
     * @param underlineType  super or subscript option
     *
     * @see #U_NONE
     * @see #U_SINGLE
     * @see #U_DOUBLE
     * @see #U_SINGLE_ACCOUNTING
     * @see #U_DOUBLE_ACCOUNTING
     */
    @Override
    public void setUnderlineType(short underlineType){
        _font.setUArray(null);
        if(underlineType != U_NONE){
            FontUnderline fenum = FontUnderline.valueOf(underlineType);
            STUnderlineValues.Enum val = STUnderlineValues.Enum.forInt(fenum.getValue());
            _font.addNewU().setVal(val);
        }
     }

    /**
     * get whether the font weight is set to bold or not
     *
     * @return bold - whether the font is bold or not
     */
    @Override
    public boolean isBold(){
        return _font.sizeOfBArray() == 1 && _font.getBArray(0).getVal();
    }

    /**
     * @return true if font style was set to italic
     */
    @Override
    public boolean isItalic(){
        return _font.sizeOfIArray() == 1 && _font.getIArray(0).getVal();
    }

    /**
     * set font style options.
     *
     * @param italic - if true, set posture style to italic, otherwise to normal
     * @param bold if true, set font weight to bold, otherwise to normal
     */
    @Override
    public void setFontStyle(boolean italic, boolean bold){
        _font.setIArray(null);
        _font.setBArray(null);
        if(italic) _font.addNewI().setVal(true);
        if(bold) _font.addNewB().setVal(true);
    }

    /**
     * set font style options to default values (non-italic, non-bold)
     */
    @Override
    public void resetFontStyle(){
        _font.set(CTFont.Factory.newInstance());
    }
}