C++ (Cpp) GiGraphics::drawArc Examples

Example #1

File: mgellipse.cpp Project: firehot/touchvg

bool MgArc::_draw(int mode, GiGraphics& gs, const GiContext& ctx, int segment) const
{
    bool ret = gs.drawArc(&ctx, getCenter(), getRadius(), 0, getStartAngle(), getSweepAngle());
    if (mode > 0) {
        GiContext ctxln(0, GiColor(0, 126, 0, 64), kGiLineDashDot);
        gs.drawLine(&ctxln, getCenter(), getStartPoint());
        gs.drawLine(&ctxln, getCenter(), getEndPoint());
        gs.drawLine(&ctxln, getStartPoint(), getStartPoint() + getStartTangent());
        gs.drawLine(&ctxln, getEndPoint(), getEndPoint() + getEndTangent());
    }
    return __super::_draw(mode, gs, ctx, segment) || ret;
}