Example usage for com.lowagie.text.pdf BaseFont BBOXLLY

Introduction

In this page you can find the example usage for com.lowagie.text.pdf BaseFont BBOXLLY.

Prototype

int BBOXLLY

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Document

The lower left y glyph coordinate.

Usage

From source file:org.eclipse.birt.report.engine.layout.pdf.font.FontInfo.java

License:Open Source License

protected void setupFontSize() {

    if (bf == null) {
        lineWidth = 1;//from   w w  w .  j  a  v a  2s .  c o m
        fontHeight = fontSize;
        baselinePosition = fontSize;
        underlinePosition = fontSize;
        linethroughPosition = fontSize / 2;
        overlinePosition = 0;
        return;
    }

    float ascent = bf.getFontDescriptor(BaseFont.AWT_ASCENT, fontSize);
    float descent = bf.getFontDescriptor(BaseFont.AWT_DESCENT, fontSize);
    if (BaseFont.FONT_TYPE_T1 == bf.getFontType()) {
        // uses the FontBBox for Type1 font, refer to the implementation
        // of free type API
        ascent = bf.getFontDescriptor(BaseFont.BBOXURY, fontSize);
        descent = bf.getFontDescriptor(BaseFont.BBOXLLY, fontSize);
    }
    if (descent > 0) {
        // In some cases, the Type1 font (perhaps loading from PFM?) return
        // positive descent
        descent = -descent;
    }
    float baseline = bf.getFontDescriptor(BaseFont.UNDERLINE_POSITION, fontSize);
    float baseline_thickness = bf.getFontDescriptor(BaseFont.UNDERLINE_THICKNESS, fontSize);
    float strike = bf.getFontDescriptor(BaseFont.STRIKETHROUGH_POSITION, fontSize);
    float strike_thickness = bf.getFontDescriptor(BaseFont.STRIKETHROUGH_THICKNESS, fontSize);

    lineWidth = baseline_thickness;
    if (lineWidth == 0) {
        lineWidth = strike_thickness;
        if (lineWidth == 0) {
            lineWidth = fontSize / 20;
        }
    }
    fontHeight = ascent - descent;
    //TODO: the -lineWidth/2 should be move to the draw function
    baselinePosition = ascent - lineWidth / 2;
    underlinePosition = ascent - baseline - lineWidth / 2;
    if (strike == 0) {
        linethroughPosition = fontHeight / 2 - lineWidth / 2;
    } else {
        linethroughPosition = ascent - strike - lineWidth / 2;
    }
    //TODO: overline is not same with the HTML, we need change it in future.
    overlinePosition = 0;
}

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From source file:org.pentaho.reporting.libraries.fonts.itext.BaseFontFontMetrics.java

License:Open Source License

public BaseFontFontMetrics(final FontNativeContext record, final BaseFont baseFont, final float size) {
    if (baseFont == null) {
        throw new NullPointerException("BaseFont is invalid.");
    }/*from   www.j a v  a2  s.  c  o m*/

    this.record = record;
    this.baseFont = baseFont;
    this.size = size;
    this.cpBuffer = new char[4];
    this.cachedWidths = new long[256 - 32];
    Arrays.fill(cachedWidths, -1);

    sizeScaled = FontStrictGeomUtility.toInternalValue(size);

    this.ascent = (long) baseFont.getFontDescriptor(BaseFont.AWT_ASCENT, sizeScaled);
    this.descent = (long) -baseFont.getFontDescriptor(BaseFont.AWT_DESCENT, sizeScaled);
    this.leading = (long) baseFont.getFontDescriptor(BaseFont.AWT_LEADING, sizeScaled);
    italicsAngle = FontStrictGeomUtility
            .toInternalValue(baseFont.getFontDescriptor(BaseFont.ITALICANGLE, size));
    maxAscent = (long) baseFont.getFontDescriptor(BaseFont.BBOXURY, sizeScaled);
    maxDescent = (long) -baseFont.getFontDescriptor(BaseFont.BBOXLLY, sizeScaled);
    maxCharAdvance = (long) baseFont.getFontDescriptor(BaseFont.AWT_MAXADVANCE, sizeScaled);

    final int[] charBBox = this.baseFont.getCharBBox('x');
    if (charBBox != null) {
        this.xHeight = (long) (charBBox[3] * size);
    }
    if (this.xHeight == 0) {
        this.xHeight = getAscent() / 2;
    }
    this.trueTypeFont = baseFont.getFontType() == BaseFont.FONT_TYPE_TT
            || baseFont.getFontType() == BaseFont.FONT_TYPE_TTUNI;
}

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From source file:org.xhtmlrenderer.pdf.ITextTextRenderer.java

License:Open Source License

public FSFontMetrics getFSFontMetrics(FontContext context, FSFont font, String string) {
    FontDescription descr = ((ITextFSFont) font).getFontDescription();
    BaseFont bf = descr.getFont();//from   w w  w  .j a v a2  s . c  om
    float size = font.getSize2D();
    ITextFSFontMetrics result = new ITextFSFontMetrics();
    result.setAscent(bf.getFontDescriptor(BaseFont.BBOXURY, size));
    result.setDescent(-bf.getFontDescriptor(BaseFont.BBOXLLY, size));

    result.setStrikethroughOffset(-descr.getYStrikeoutPosition() / 1000f * size);
    if (descr.getYStrikeoutSize() != 0) {
        result.setStrikethroughThickness(descr.getYStrikeoutSize() / 1000f * size);
    } else {
        result.setStrikethroughThickness(size / 12.0f);
    }

    result.setUnderlineOffset(-descr.getUnderlinePosition() / 1000f * size);
    result.setUnderlineThickness(descr.getUnderlineThickness() / 1000f * size);

    return result;
}

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