VuoRendererFonts.cc

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#include "VuoRendererFonts.hh"
 
VuoRendererFonts *VuoRendererFonts::sharedFonts = NULL;
 
const qreal VuoRendererFonts::thickPenWidth = 20;
const qreal VuoRendererFonts::midPenWidth = VuoRendererFonts::thickPenWidth/10.0;
 
const QString VuoRendererFonts::fontFamily = "PT Sans";
 
const qreal VuoRendererFonts::nodeTitleFontSize = 13;
const qreal VuoRendererFonts::nodeClassFontSize = 10;
const qreal VuoRendererFonts::portTitleFontSize = 11;
const qreal VuoRendererFonts::portDetailFontSize = 10;
 
VuoRendererFonts * VuoRendererFonts::getSharedFonts(void)
{
    if (! sharedFonts)
        sharedFonts = new VuoRendererFonts();
 
    return sharedFonts;
}
 
VuoRendererFonts::VuoRendererFonts(void)
{
    addFont("PTS55F.ttf");
    addFont("PTS75F.ttf");
}
 
void VuoRendererFonts::addFont(QString font)
{
    // Try loading from the Editor app bundle
    {
        QString fontPath = QDir(QApplication::applicationDirPath().append("/../Resources/").append(font)).canonicalPath();
        if (fontPath.count() && QFontDatabase::addApplicationFont(fontPath) != -1)
            return;
    }
 
    // Try loading from the SDK
    {
        QString fontPath = QDir(QApplication::applicationDirPath().append("/resources/").append(font)).canonicalPath();
        if (fontPath.count() && QFontDatabase::addApplicationFont(fontPath) != -1)
            return;
    }
 
    // Try loading from the source tree (e.g., when running tests).
    {
        QString fontPath = QDir(QApplication::applicationDirPath().append("/../../renderer/font/").append(font)).canonicalPath();
        if (fontPath.count() && QFontDatabase::addApplicationFont(fontPath) != -1)
            return;
    }
 
    VUserLog("Error: Failed to open '%s'.", font.toUtf8().data());
}
 
QFont VuoRendererFonts::nodeTitleFont(void)
{
    return QFont(fontFamily, nodeTitleFontSize, QFont::Bold, false);
}
 
QFont VuoRendererFonts::nodeClassFont(void)
{
    return QFont(fontFamily, nodeClassFontSize, QFont::Light, false);
}
 
QFont VuoRendererFonts::nodePortTitleFont(void)
{
    return QFont(fontFamily, portTitleFontSize, QFont::Light, false);
}
 
QFont VuoRendererFonts::nodePortConstantFont(void)
{
    return QFont(fontFamily, portDetailFontSize, QFont::Light, false);
}
 
QFont VuoRendererFonts::portPopoverFont(void)
{
    return QFont(fontFamily, portTitleFontSize, QFont::Light, false);
}
 
QFont VuoRendererFonts::dialogHeadingFont()
{
    return QFont(fontFamily, 14, QFont::Bold, false);
}
 
QFont VuoRendererFonts::dialogBodyFont()
{
    return QFont(fontFamily, 12, QFont::Light, false);
}
 
QFont VuoRendererFonts::commentFont(void)
{
    return QFont(fontFamily, 14, QFont::Light, false);
}
 
double VuoRendererFonts::getHorizontalOffset(const QFont font, const QString text)
{
    if (text.length() == 0)
        return 0;
 
    QPainterPath p;
    p.addText(0, 0, font, text[0]);
    return p.boundingRect().x();
}
 
QString VuoRendererFonts::getCSS(QFont font)
{
    int qtweight = font.weight();
    int cssweight = 400; // "normal"
    if (qtweight < 40)
        cssweight = 300; // "light"
    else if (qtweight > 60)
        cssweight = 700; // "bold"
 
    return QString("font-family: %1; font-size: %2pt; font-weight: %3;")
            .arg(font.family())
            .arg(font.pointSizeF())
            .arg(cssweight);
}