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

Introduction

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

Prototype

int UNDERLINE_THICKNESS

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Document

The underline thickness.

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  a2 s .  c om*/
        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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