C++ (Cpp) GiGraphics::rawBeginPath Examples

Example #1

File: gipath.cpp Project: thinkfeed/touchvg

bool GiPath::draw(GiGraphics& gs, const GiContext* ctx, bool fill)
{
    Matrix2d matD(gs.xf().modelToDisplay());
    Point2d a, b, c;

    if (m_data->points.empty() || m_data->points.size() != m_data->types.size())
        return false;

    gs.rawBeginPath();

    for (size_t i = 0; i < m_data->points.size(); i++)
    {
        switch (m_data->types[i] & ~kGiCloseFigure)
       {
       case kGiMoveTo:
           a = m_data->points[i] * matD;
           gs.rawMoveTo(a.x, a.y);
           break;

       case kGiLineTo:
           a = m_data->points[i] * matD;
           gs.rawLineTo(a.x, a.y);
           break;

       case kGiBeziersTo:
           if (i + 2 >= m_data->points.size())
               return false;
           a = m_data->points[i] * matD;
           b = m_data->points[i+1] * matD;
           c = m_data->points[i+2] * matD;
           gs.rawBezierTo(a.x, a.y, b.x, b.y, c.x, c.y);
           i += 2;
           break;

       default:
           return false;
       }
       if (m_data->types[i] & kGiCloseFigure)
           gs.rawClosePath();
   }

    gs.rawEndPath(ctx, fill);

    return true;
}