C++ (Cpp) GetCurrentPointの例

コード例 #1

// draws a an arc to two tangents connecting (current) to (x1,y1) and (x1,y1) to (x2,y2), also a straight line from (current) to (x1,y1)
void wxGraphicsPathData::AddArcToPoint( wxDouble x1, wxDouble y1 , wxDouble x2, wxDouble y2, wxDouble r )
{
    wxPoint2DDouble current;
    GetCurrentPoint(&current.m_x,&current.m_y);
    wxPoint2DDouble p1(x1,y1);
    wxPoint2DDouble p2(x2,y2);

    wxPoint2DDouble v1 = current - p1;
    v1.Normalize();
    wxPoint2DDouble v2 = p2 - p1;
    v2.Normalize();

    wxDouble alpha = v1.GetVectorAngle() - v2.GetVectorAngle();

    if ( alpha < 0 )
        alpha = 360 + alpha;
    // TODO obtuse angles

    alpha = DegToRad(alpha);

    wxDouble dist = r / sin(alpha/2) * cos(alpha/2);
    // calculate tangential points
    wxPoint2DDouble t1 = dist*v1 + p1;

    wxPoint2DDouble nv1 = v1;
    nv1.SetVectorAngle(v1.GetVectorAngle()-90);
    wxPoint2DDouble c = t1 + r*nv1;

    wxDouble a1 = v1.GetVectorAngle()+90;
    wxDouble a2 = v2.GetVectorAngle()-90;

    AddLineToPoint(t1.m_x,t1.m_y);
    AddArc(c.m_x,c.m_y,r,DegToRad(a1),DegToRad(a2),true);
    AddLineToPoint(p2.m_x,p2.m_y);
}

コード例 #2

ファイル: graphcmn.cpp プロジェクト: 252525fb/rpcs3

void wxGraphicsPathData::AddQuadCurveToPoint( wxDouble cx, wxDouble cy, wxDouble x, wxDouble y )
{
    // calculate using degree elevation to a cubic bezier
    wxPoint2DDouble c1;
    wxPoint2DDouble c2;

    wxPoint2DDouble start;
    GetCurrentPoint(&start.m_x,&start.m_y);
    wxPoint2DDouble end(x,y);
    wxPoint2DDouble c(cx,cy);
    c1 = wxDouble(1/3.0) * start + wxDouble(2/3.0) * c;
    c2 = wxDouble(2/3.0) * c + wxDouble(1/3.0) * end;
    AddCurveToPoint(c1.m_x,c1.m_y,c2.m_x,c2.m_y,x,y);
}

コード例 #3

ファイル: animatecompile.cpp プロジェクト: calband/calchart

AnimatePoint AnimateCompile::GetEndingPosition(const ContToken* token) const
{
    auto sheet = curr_sheet + 1;

    while (1) {
        if (sheet == mShow.GetSheetEnd()) {
            RegisterError(ANIMERR_UNDEFINED, token);
            return GetPointPosition();
        }
        if (sheet->IsInAnimation()) {
            return sheet->GetPosition(GetCurrentPoint());
        }
        ++sheet;
    }
}

コード例 #4

ファイル: graphcmn.cpp プロジェクト: 252525fb/rpcs3

wxPoint2DDouble wxGraphicsPath::GetCurrentPoint() const
{
    wxDouble x,y;
    GetCurrentPoint(&x,&y);
    return wxPoint2DDouble(x,y);
}

コード例 #5

ファイル: animatecompile.cpp プロジェクト: colindr/calchart

AnimatePoint AnimateCompile::GetReferencePointPosition(unsigned refnum) const
{
	return curr_sheet->GetPosition(GetCurrentPoint(), refnum+1);
}

コード例 #6

ファイル: animatecompile.cpp プロジェクト: colindr/calchart

AnimatePoint AnimateCompile::GetStartingPosition() const
{
	return curr_sheet->GetPosition(GetCurrentPoint());
}