Java Code Examples for org.apache.fontbox.ttf.TrueTypeFont#getPostScript()

The following examples show how to use org.apache.fontbox.ttf.TrueTypeFont#getPostScript() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: TrueTypeEmbedder.java    From gcs with Mozilla Public License 2.0 4 votes vote down vote up 
/**
 * Creates a new font descriptor dictionary for the given TTF.
 */
private PDFontDescriptor createFontDescriptor(TrueTypeFont ttf) throws IOException
{
    PDFontDescriptor fd = new PDFontDescriptor();
    fd.setFontName(ttf.getName());

    OS2WindowsMetricsTable os2 = ttf.getOS2Windows();
    PostScriptTable post = ttf.getPostScript();

    // Flags
    fd.setFixedPitch(post.getIsFixedPitch() > 0 ||
                     ttf.getHorizontalHeader().getNumberOfHMetrics() == 1);

    int fsSelection = os2.getFsSelection();
    fd.setItalic(((fsSelection & (ITALIC | OBLIQUE)) != 0));

    switch (os2.getFamilyClass())
    {
        case OS2WindowsMetricsTable.FAMILY_CLASS_CLAREDON_SERIFS:
        case OS2WindowsMetricsTable.FAMILY_CLASS_FREEFORM_SERIFS:
        case OS2WindowsMetricsTable.FAMILY_CLASS_MODERN_SERIFS:
        case OS2WindowsMetricsTable.FAMILY_CLASS_OLDSTYLE_SERIFS:
        case OS2WindowsMetricsTable.FAMILY_CLASS_SLAB_SERIFS:
            fd.setSerif(true);
            break;
        case OS2WindowsMetricsTable.FAMILY_CLASS_SCRIPTS:
            fd.setScript(true);
            break;
        default:
            break;
    }

    fd.setFontWeight(os2.getWeightClass());

    fd.setSymbolic(true);
    fd.setNonSymbolic(false);

    // ItalicAngle
    fd.setItalicAngle(post.getItalicAngle());

    // FontBBox
    HeaderTable header = ttf.getHeader();
    PDRectangle rect = new PDRectangle();
    float scaling = 1000f / header.getUnitsPerEm();
    rect.setLowerLeftX(header.getXMin() * scaling);
    rect.setLowerLeftY(header.getYMin() * scaling);
    rect.setUpperRightX(header.getXMax() * scaling);
    rect.setUpperRightY(header.getYMax() * scaling);
    fd.setFontBoundingBox(rect);

    // Ascent, Descent
    HorizontalHeaderTable hHeader = ttf.getHorizontalHeader();
    fd.setAscent(hHeader.getAscender() * scaling);
    fd.setDescent(hHeader.getDescender() * scaling);

    // CapHeight, XHeight
    if (os2.getVersion() >= 1.2)
    {
        fd.setCapHeight(os2.getCapHeight() * scaling);
        fd.setXHeight(os2.getHeight() * scaling);
    }
    else
    {
        GeneralPath capHPath = ttf.getPath("H");
        if (capHPath != null)
        {
            fd.setCapHeight(Math.round(capHPath.getBounds2D().getMaxY()) * scaling);
        }
        else
        {
            // estimate by summing the typographical +ve ascender and -ve descender
            fd.setCapHeight((os2.getTypoAscender() + os2.getTypoDescender()) * scaling);
        }
        GeneralPath xPath = ttf.getPath("x");
        if (xPath != null)
        {
            fd.setXHeight(Math.round(xPath.getBounds2D().getMaxY()) * scaling);
        }
        else
        {
            // estimate by halving the typographical ascender
            fd.setXHeight(os2.getTypoAscender() / 2.0f * scaling);
        }
    }

    // StemV - there's no true TTF equivalent of this, so we estimate it
    fd.setStemV(fd.getFontBoundingBox().getWidth() * .13f);

    return fd;
}
Example 2
Source File: TrueTypeEmbedder.java    From sambox with Apache License 2.0 4 votes vote down vote up 
/**
 * Creates a new font descriptor dictionary for the given TTF.
 */
private PDFontDescriptor createFontDescriptor(TrueTypeFont ttf) throws IOException
{
    PDFontDescriptor fd = new PDFontDescriptor();
    fd.setFontName(ttf.getName());

    OS2WindowsMetricsTable os2 = ttf.getOS2Windows();
    PostScriptTable post = ttf.getPostScript();

    // Flags
    fd.setFixedPitch(
            post.getIsFixedPitch() > 0 || ttf.getHorizontalHeader().getNumberOfHMetrics() == 1);

    int fsSelection = os2.getFsSelection();
    fd.setItalic(((fsSelection & (ITALIC | OBLIQUE)) != 0));

    switch (os2.getFamilyClass())
    {
    case OS2WindowsMetricsTable.FAMILY_CLASS_CLAREDON_SERIFS:
    case OS2WindowsMetricsTable.FAMILY_CLASS_FREEFORM_SERIFS:
    case OS2WindowsMetricsTable.FAMILY_CLASS_MODERN_SERIFS:
    case OS2WindowsMetricsTable.FAMILY_CLASS_OLDSTYLE_SERIFS:
    case OS2WindowsMetricsTable.FAMILY_CLASS_SLAB_SERIFS:
        fd.setSerif(true);
        break;
    case OS2WindowsMetricsTable.FAMILY_CLASS_SCRIPTS:
        fd.setScript(true);
        break;
    default:
        break;
    }

    fd.setFontWeight(os2.getWeightClass());

    fd.setSymbolic(true);
    fd.setNonSymbolic(false);

    // ItalicAngle
    fd.setItalicAngle(post.getItalicAngle());

    // FontBBox
    HeaderTable header = ttf.getHeader();
    PDRectangle rect = new PDRectangle();
    float scaling = 1000f / header.getUnitsPerEm();
    rect.setLowerLeftX(header.getXMin() * scaling);
    rect.setLowerLeftY(header.getYMin() * scaling);
    rect.setUpperRightX(header.getXMax() * scaling);
    rect.setUpperRightY(header.getYMax() * scaling);
    fd.setFontBoundingBox(rect);

    // Ascent, Descent
    HorizontalHeaderTable hHeader = ttf.getHorizontalHeader();
    fd.setAscent(hHeader.getAscender() * scaling);
    fd.setDescent(hHeader.getDescender() * scaling);

    // CapHeight, XHeight
    if (os2.getVersion() >= 1.2)
    {
        fd.setCapHeight(os2.getCapHeight() * scaling);
        fd.setXHeight(os2.getHeight() * scaling);
    }
    else
    {
        GeneralPath capHPath = ttf.getPath("H");
        if (capHPath != null)
        {
            fd.setCapHeight(Math.round(capHPath.getBounds2D().getMaxY()) * scaling);
        }
        else
        {
            // estimate by summing the typographical +ve ascender and -ve descender
            fd.setCapHeight((os2.getTypoAscender() + os2.getTypoDescender()) * scaling);
        }
        GeneralPath xPath = ttf.getPath("x");
        if (xPath != null)
        {
            fd.setXHeight(Math.round(xPath.getBounds2D().getMaxY()) * scaling);
        }
        else
        {
            // estimate by halving the typographical ascender
            fd.setXHeight(os2.getTypoAscender() / 2.0f * scaling);
        }
    }

    // StemV - there's no true TTF equivalent of this, so we estimate it
    fd.setStemV(fd.getFontBoundingBox().getWidth() * .13f);

    return fd;
}
Example 3
Source File: TestTTFParser.java    From sambox with Apache License 2.0 4 votes vote down vote up 
/**
 * Test the post table parser.
 * 
 * @throws IOException if an error occurs.
 */
@Test
public void testPostTable() throws IOException
{
    InputStream input = PDFont.class
            .getResourceAsStream("/org/sejda/sambox/resources/ttf/LiberationSans-Regular.ttf");
    Assert.assertNotNull(input);

    TTFParser parser = new TTFParser();
    TrueTypeFont font = parser.parse(input);

    CmapTable cmapTable = font.getCmap();
    Assert.assertNotNull(cmapTable);

    CmapSubtable[] cmaps = cmapTable.getCmaps();
    Assert.assertNotNull(cmaps);

    CmapSubtable cmap = null;

    for (CmapSubtable e : cmaps)
    {
        if (e.getPlatformId() == NameRecord.PLATFORM_WINDOWS
                && e.getPlatformEncodingId() == NameRecord.ENCODING_WINDOWS_UNICODE_BMP)
        {
            cmap = e;
            break;
        }
    }

    Assert.assertNotNull(cmap);

    PostScriptTable post = font.getPostScript();
    Assert.assertNotNull(post);

    String[] glyphNames = font.getPostScript().getGlyphNames();
    Assert.assertNotNull(glyphNames);

    // test a WGL4 (Macintosh standard) name
    int gid = cmap.getGlyphId(0x2122); // TRADE MARK SIGN
    Assert.assertEquals("trademark", glyphNames[gid]);

    // test an additional name
    gid = cmap.getGlyphId(0x20AC); // EURO SIGN
    Assert.assertEquals("Euro", glyphNames[gid]);
}