Example usage for com.lowagie.text Font isStrikethru

Introduction

In this page you can find the example usage for com.lowagie.text Font isStrikethru.

Prototype

public boolean isStrikethru() 

Source Link

Document

checks if the style of this font is STRIKETHRU.

Usage

From source file:fr.opensagres.odfdom.converter.pdf.internal.stylable.StylableParagraph.java

License:Open Source License

@SuppressWarnings("unchecked")
private void postProcessLineHeightAndBaseline() {
    // adjust line height and baseline
    Font font = getMostOftenUsedFont();
    if (font == null || font.getBaseFont() == null) {
        font = this.font;
    }/*from  w w  w. j av  a 2s . c o  m*/
    if (font != null && font.getBaseFont() != null) {
        // iText and open office computes proportional line height differently
        // [iText] line height = coefficient * font size
        // [open office] line height = coefficient * (font ascender + font descender + font extra margin)
        // we have to increase paragraph line height to generate pdf similar to open office document
        // this algorithm may be inaccurate if fonts with different multipliers are used in this paragraph
        float size = font.getSize();
        float ascender = font.getBaseFont().getFontDescriptor(BaseFont.AWT_ASCENT, size);
        float descender = -font.getBaseFont().getFontDescriptor(BaseFont.AWT_DESCENT, size); // negative value
        float margin = font.getBaseFont().getFontDescriptor(BaseFont.AWT_LEADING, size);
        float multiplier = (ascender + descender + margin) / size;
        if (multipliedLeading > 0.0f) {
            setMultipliedLeading(getMultipliedLeading() * multiplier);
        }

        // iText seems to output text with baseline lower than open office
        // we raise all paragraph text by some amount
        // again this may be inaccurate if fonts with different size are used in this paragraph
        float itextdescender = -font.getBaseFont().getFontDescriptor(BaseFont.DESCENT, size); // negative
        float textRise = itextdescender + getTotalLeading() - font.getSize() * multiplier;
        ArrayList<Chunk> chunks = getChunks();
        for (Chunk chunk : chunks) {
            Font f = chunk.getFont();
            if (f != null) {
                // have to raise underline and strikethru as well
                float s = f.getSize();
                if (f.isUnderlined()) {
                    f.setStyle(f.getStyle() & ~Font.UNDERLINE);
                    chunk.setUnderline(s * 1 / 17, s * -1 / 7 + textRise);
                }
                if (f.isStrikethru()) {
                    f.setStyle(f.getStyle() & ~Font.STRIKETHRU);
                    chunk.setUnderline(s * 1 / 17, s * 1 / 4 + textRise);
                }
            }
            chunk.setTextRise(chunk.getTextRise() + textRise);
        }
    }
}

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From source file:org.odftoolkit.odfdom.converter.internal.itext.stylable.StylableParagraph.java

License:Open Source License

@SuppressWarnings("unchecked")
public Element getElement() {
    if (!elementPostProcessed) {
        elementPostProcessed = true;/*from w  w  w .j av a 2s . c  o m*/

        // add space if this paragraph is empty
        // otherwise it's height will be zero
        boolean empty = true;
        ArrayList<Chunk> chunks = getChunks();
        for (Chunk chunk : chunks) {
            if (chunk.getImage() == null && chunk.getContent() != null && chunk.getContent().length() > 0) {
                empty = false;
                break;
            }
        }
        if (empty) {
            super.add(new Chunk("\u00A0")); // non breaking space
        }

        // adjust line height and baseline
        if (font != null && font.getBaseFont() != null) {
            // iText and open office computes proportional line height differently
            // [iText] line height = coefficient * font size
            // [open office] line height = coefficient * (font ascender + font descender + font extra margin)
            // we have to increase paragraph line height to generate pdf similar to open office document
            // this algorithm may be inaccurate if fonts with different multipliers are used in this paragraph
            float size = font.getSize();
            float ascender = font.getBaseFont().getFontDescriptor(BaseFont.AWT_ASCENT, size);
            float descender = -font.getBaseFont().getFontDescriptor(BaseFont.AWT_DESCENT, size); // negative value
            float margin = font.getBaseFont().getFontDescriptor(BaseFont.AWT_LEADING, size);
            float multiplier = (ascender + descender + margin) / size;
            if (multipliedLeading > 0.0f) {
                setMultipliedLeading(getMultipliedLeading() * multiplier);
            }

            // iText seems to output text with baseline lower than open office
            // we raise all paragraph text by some amount
            // again this may be inaccurate if fonts with different size are used in this paragraph
            float itextdescender = -font.getBaseFont().getFontDescriptor(BaseFont.DESCENT, size); // negative
            float textRise = itextdescender + getTotalLeading() - font.getSize() * multiplier;
            chunks = getChunks();
            for (Chunk chunk : chunks) {
                Font f = chunk.getFont();
                if (f != null) {
                    // have to raise underline and strikethru as well
                    float s = f.getSize();
                    if (f.isUnderlined()) {
                        f.setStyle(f.getStyle() & ~Font.UNDERLINE);
                        chunk.setUnderline(s * 1 / 17, s * -1 / 7 + textRise);
                    }
                    if (f.isStrikethru()) {
                        f.setStyle(f.getStyle() & ~Font.STRIKETHRU);
                        chunk.setUnderline(s * 1 / 17, s * 1 / 4 + textRise);
                    }
                }
                chunk.setTextRise(chunk.getTextRise() + textRise);
            }
        }

        // wrap this paragraph into a table if necessary
        if (wrapperCell != null) {
            // background color or borders were set
            wrapperCell.addElement(this);
            wrapperTable = createTable(wrapperCell);
            if (getIndentationLeft() > 0.0f || getIndentationRight() > 0.0f || getSpacingBefore() > 0.0f
                    || getSpacingAfter() > 0.0f) {
                // margins were set, have to wrap the cell again
                PdfPCell outerCell = createCell();
                outerCell.setPaddingLeft(getIndentationLeft());
                setIndentationLeft(0.0f);
                outerCell.setPaddingRight(getIndentationRight());
                setIndentationRight(0.0f);
                outerCell.setPaddingTop(getSpacingBefore());
                setSpacingBefore(0.0f);
                outerCell.setPaddingBottom(getSpacingAfter());
                setSpacingAfter(0.0f);
                outerCell.addElement(wrapperTable);
                wrapperTable = createTable(outerCell);
            }
        }
    }
    return wrapperTable != null ? wrapperTable : this;
}

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