bool ASSISTANT::Oval::ContainsPoint(Gdiplus::PointF &ptMouse)
{
if (!visible)
return false;
CRect rcObject;
GetBoundingBox(rcObject);
CRgn rgnElliptic;
double dMaxDistance = (double)lineWidth / 2 + 0.5;
BOOL bRet = TRUE;
if (IsFilled())
{
CRgn rgnElliptic;
bRet = rgnElliptic.CreateEllipticRgnIndirect(rcObject);
if (!bRet)
return false;
if (rgnElliptic.PtInRegion((int)ptMouse.X, (int)ptMouse.Y))
return true;
}
else
{
CRect rcOutside = rcObject;
rcOutside.InflateRect(dMaxDistance, dMaxDistance, dMaxDistance, dMaxDistance);
bRet = rgnElliptic.CreateEllipticRgnIndirect(rcOutside);
if (!bRet)
return false;
CRgn rgnElliptic2;
CRect rcInside = rcObject;
rcInside.DeflateRect(dMaxDistance, dMaxDistance, dMaxDistance, dMaxDistance);
bRet = rgnElliptic2.CreateEllipticRgnIndirect(rcInside);
if (!bRet)
return false;
rgnElliptic.CombineRgn(&rgnElliptic, &rgnElliptic2, RGN_DIFF);
if (rgnElliptic.PtInRegion((int)ptMouse.X, (int)ptMouse.Y))
return true;
}
return false;
}
void Tree::display(CPaintDC& dc, int x, int y, int age)
{
CBrush brushGreen(RGB(0, 255, 0));
int d = 20 + (age/2);
CRect rcEllipse(CPoint(x, y), CSize(d, d));
CRgn rgnEllipse;
rgnEllipse.CreateEllipticRgnIndirect(&rcEllipse);
dc.FillRgn(&rgnEllipse, &brushGreen);
}
void CRoundSliderCtrl::OnPaint()
{
const int nMin = GetRangeMin();
const int nMax = GetRangeMax()+1;
const bool bDisabled = !IsWindowEnabled();
CPaintDC dc(this); // device context for painting
#ifdef USE_MEM_DC
CMemDC pDC(&dc);
#else
CDC* pDC = &dc;
#endif
int nRadius = m_nRadius;
// Draw (clear) the background
CRect rc;
GetClientRect(rc);
pDC->SelectStockObject(NULL_BRUSH);
pDC->SelectStockObject(NULL_PEN);
pDC->FillSolidRect(rc, ::GetSysColor(COLOR_BTNFACE));
// Draw the sliders channel
if(!m_bDrawRadioButton)
{
DrawCircle(pDC, m_ptCenter, nRadius--, ::GetSysColor(COLOR_3DDKSHADOW), ::GetSysColor(COLOR_3DHIGHLIGHT));
DrawCircle(pDC, m_ptCenter, nRadius, ::GetSysColor(COLOR_3DSHADOW), ::GetSysColor(COLOR_3DLIGHT));
}
int nPos = (((GetPos()-nMin)*360/(nMax-nMin)) + m_nZero + 360) % 360;
if(m_bInverted) nPos = 360-nPos;
const double dPos = ((double)(nPos))*pi/180.0;
CPoint ptKnobCenter;
#pragma warning(disable:4244) // Disable warning "Converting 'double' to 'int', possible loss of data"
if(m_bDrawRadioButton)
{
ptKnobCenter = CPoint(m_ptCenter.x + (nRadius-m_nKnobRadius) * sin(dPos), m_ptCenter.y - (nRadius-m_nKnobRadius) * cos(dPos));
}
else
{
ptKnobCenter = CPoint(m_ptCenter.x + (nRadius) * sin(dPos), m_ptCenter.y - (nRadius) * cos(dPos));
}
#pragma warning(default:4244)
m_ptKnobCenter = ptKnobCenter;
if(m_bDrawRadioButton)
{
nRadius += 2;
}
else
{
nRadius -= 2;
}
if(!bDisabled)
{
CBrush* pOldBrush = pDC->SelectObject(CBrush::FromHandle(m_hDialBrush));
pDC->Ellipse(m_ptCenter.x - nRadius + 1, m_ptCenter.y - nRadius + 1, m_ptCenter.x + nRadius + 1, m_ptCenter.y + nRadius + 1);
pDC->SelectObject(pOldBrush);
}
DrawCircle(pDC, m_ptCenter, nRadius--, ::GetSysColor(COLOR_3DHIGHLIGHT), ::GetSysColor(COLOR_3DDKSHADOW));
DrawCircle(pDC, m_ptCenter, nRadius--, ::GetSysColor(COLOR_3DLIGHT), ::GetSysColor(COLOR_3DSHADOW));
// Draw the knob
int nKnobRadius = m_nKnobRadius;
if(m_bDrawRadioButton)
{
nKnobRadius *= 4;
nKnobRadius /= 5;
}
const CRect rcKnob(ptKnobCenter.x - nKnobRadius + 2, ptKnobCenter.y - nKnobRadius + 2, ptKnobCenter.x + nKnobRadius, ptKnobCenter.y + nKnobRadius);
CRgn rgnKnob;
rgnKnob.CreateEllipticRgnIndirect(rcKnob);
if(bDisabled)
{
pDC->FillRgn(&rgnKnob, CBrush::FromHandle(::GetSysColorBrush(COLOR_BTNFACE)));
}
else
{
pDC->FillRgn(&rgnKnob, CBrush::FromHandle(m_hKnobBrush));
}
rgnKnob.DeleteObject();
if(m_bDrawRadioButton || m_bDragging)
{
DrawCircle(pDC, ptKnobCenter, --nKnobRadius, ::GetSysColor(COLOR_3DDKSHADOW), ::GetSysColor(COLOR_3DHIGHLIGHT));
DrawCircle(pDC, ptKnobCenter, --nKnobRadius, ::GetSysColor(COLOR_3DSHADOW), ::GetSysColor(COLOR_3DLIGHT));
}
else
{
DrawCircle(pDC, ptKnobCenter, --nKnobRadius, ::GetSysColor(COLOR_3DHIGHLIGHT), ::GetSysColor(COLOR_3DDKSHADOW));
DrawCircle(pDC, ptKnobCenter, --nKnobRadius, ::GetSysColor(COLOR_3DLIGHT), ::GetSysColor(COLOR_3DSHADOW));
}
// Draw the focus circle on the inside of the knob
if(!m_bDrawRadioButton && (GetFocus() == this))
{
DrawCircle(pDC, ptKnobCenter, nKnobRadius-2, RGB(0, 0, 0), TRUE);
}
// Draw the text
const CString strFormattedText = OnFormatText();
if(!strFormattedText.IsEmpty())
{
CFont* pOldFont = pDC->SelectObject(&m_font);
const CSize szExtent = pDC->GetTextExtent(strFormattedText);
const CPoint ptText = CPoint(m_ptCenter.x - szExtent.cx/2, m_ptCenter.y - szExtent.cy/2);
const int nOldTextColor = pDC->SetTextColor(m_crText);
pDC->SetBkMode(TRANSPARENT);
if(bDisabled)
{
pDC->DrawState(ptText, szExtent, strFormattedText, DSS_DISABLED, TRUE, 0, (HBRUSH)NULL);
}
else
{
pDC->TextOut(ptText.x, ptText.y, strFormattedText);
}
// Clean up
pDC->SelectObject(pOldFont);
pDC->SetTextColor(nOldTextColor);
}
// Don't call CSliderCtrl::OnPaint()
}
// rect must be in logical coordinates
BOOL CDrawRect::Intersects(const CRect& rect)
{
ASSERT_VALID(this);
CRect rectT = rect;
rectT.NormalizeRect();
CRect fixed = m_position;
fixed.NormalizeRect();
if ((rectT & fixed).IsRectEmpty())
return FALSE;
CRgn rgn;
switch (m_nShape)
{
case rectangle:
case text:
return TRUE;
case roundRectangle:
rgn.CreateRoundRectRgn(fixed.left, fixed.top, fixed.right, fixed.bottom,
m_roundness.x, m_roundness.y);
break;
case ellipse:
rgn.CreateEllipticRgnIndirect(fixed);
break;
case line:
{
int x = (m_logpen.lopnWidth.x + 5) / 2;
int y = (m_logpen.lopnWidth.y + 5) / 2;
POINT points[4];
points[0].x = fixed.left;
points[0].y = fixed.top;
points[1].x = fixed.left;
points[1].y = fixed.top;
points[2].x = fixed.right;
points[2].y = fixed.bottom;
points[3].x = fixed.right;
points[3].y = fixed.bottom;
if (fixed.left < fixed.right)
{
points[0].x -= x;
points[1].x += x;
points[2].x += x;
points[3].x -= x;
}
else
{
points[0].x += x;
points[1].x -= x;
points[2].x -= x;
points[3].x += x;
}
if (fixed.top < fixed.bottom)
{
points[0].y -= y;
points[1].y += y;
points[2].y += y;
points[3].y -= y;
}
else
{
points[0].y += y;
points[1].y -= y;
points[2].y -= y;
points[3].y += y;
}
rgn.CreatePolygonRgn(points, 4, ALTERNATE);
}
break;
}
return rgn.RectInRegion(fixed);
}