org.apache.fontbox.ttf.OS2WindowsMetricsTable Java Examples

The following examples show how to use org.apache.fontbox.ttf.OS2WindowsMetricsTable. 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 6 votes vote down vote up 
/**
 * Returns true if the fsType in the OS/2 table permits embedding.
 */
private boolean isEmbeddingPermitted(TrueTypeFont ttf) throws IOException
{
    if (ttf.getOS2Windows() != null)
    {
        int fsType = ttf.getOS2Windows().getFsType();
        int exclusive = fsType & 0x8; // bits 0-3 are a set of exclusive bits

        if ((exclusive & OS2WindowsMetricsTable.FSTYPE_RESTRICTED) ==
                         OS2WindowsMetricsTable.FSTYPE_RESTRICTED)
        {
            // restricted License embedding
            return false;
        }
        else if ((exclusive & OS2WindowsMetricsTable.FSTYPE_BITMAP_ONLY) ==
                             OS2WindowsMetricsTable.FSTYPE_BITMAP_ONLY)
        {
            // bitmap embedding only
            return false;
        }
    }
    return true;
}
Example #2
Source File: FontUtils.java    From sambox with Apache License 2.0 6 votes vote down vote up 
/**
 * @return true if the fsType in the OS/2 table permits embedding.
 */
public static boolean isEmbeddingPermitted(TrueTypeFont ttf) throws IOException
{
    if (ttf.getOS2Windows() != null)
    {
        int fsType = ttf.getOS2Windows().getFsType();
        int exclusive = fsType & 0x8; // bits 0-3 are a set of exclusive bits

        if ((exclusive
                & OS2WindowsMetricsTable.FSTYPE_RESTRICTED) == OS2WindowsMetricsTable.FSTYPE_RESTRICTED)
        {
            // restricted License embedding
            return false;
        }
        else if ((exclusive
                & OS2WindowsMetricsTable.FSTYPE_BITMAP_ONLY) == OS2WindowsMetricsTable.FSTYPE_BITMAP_ONLY)
        {
            // bitmap embedding only
            return false;
        }
    }
    return true;
}
Example #3
Source File: TrueTypeEmbedder.java    From gcs with Mozilla Public License 2.0 5 votes vote down vote up 
/**
 * Returns true if the fsType in the OS/2 table permits subsetting.
 */
private boolean isSubsettingPermitted(TrueTypeFont ttf) throws IOException
{
    if (ttf.getOS2Windows() != null)
    {
        int fsType = ttf.getOS2Windows().getFsType();
        if ((fsType & OS2WindowsMetricsTable.FSTYPE_NO_SUBSETTING) ==
                      OS2WindowsMetricsTable.FSTYPE_NO_SUBSETTING)
        {
            return false;
        }
    }
    return true;
}
Example #4
Source File: FontUtils.java    From sambox with Apache License 2.0 5 votes vote down vote up 
/**
 * @return true if the fsType in the OS/2 table permits subsetting.
 */
public static boolean isSubsettingPermitted(TrueTypeFont ttf) throws IOException
{
    if (ttf.getOS2Windows() != null)
    {
        int fsType = ttf.getOS2Windows().getFsType();
        if ((fsType
                & OS2WindowsMetricsTable.FSTYPE_NO_SUBSETTING) == OS2WindowsMetricsTable.FSTYPE_NO_SUBSETTING)
        {
            return false;
        }
    }
    return true;
}
Example #5
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 #6
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;
}