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Trajview.cpp
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Trajview.cpp
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// trajview.cpp : implementation file
//
#include "pch.h"
#include "Trajview.h"
#include "resource.h"
#include <algorithm>
#include <tuple>
#ifdef _DEBUG
#undef THIS_FILE
static char BASED_CODE THIS_FILE[] = __FILE__;
#endif
namespace
{
double GetStep(double fRange)
{
double fStep = (fRange > 0) ? 1e10f : -1e10f;
while (fabs(fStep) > fabs(fRange)) fStep /= 10;
if (fabs(fStep) * 5 <= fabs(fRange))
fStep *= 5;
else if (fabs(fStep) * 2 <= fabs(fRange))
fStep *= 2;
return fStep;
}
void DrawMarker(CDC* pDC, const CPoint& Point)
{
CRect rect;
rect.left = Point.x - 4;
rect.top = Point.y - 4;
rect.right = Point.x + 4;
rect.bottom = Point.y + 4;
pDC->Rectangle(&rect);
}
bool IsMarkerHere(const CPoint& Marker, const CPoint& Mouse)
{
return (Mouse.x >= Marker.x - 4 && Mouse.x <= Marker.x + 4 && Mouse.y >= Marker.y - 4 && Mouse.y <= Marker.y + 4);
}
double fsqr(double x) { return x * x; }
} // namespace
/////////////////////////////////////////////////////////////////////////////
// CTrajView
// IMPLEMENT_DYNCREATE(CTrajView, CBaseView)
CTrajView::~CTrajView() {}
BEGIN_MESSAGE_MAP(CTrajView, CWnd)
//{{AFX_MSG_MAP(CTrajView)
ON_WM_LBUTTONDOWN()
ON_WM_MOUSEMOVE()
ON_WM_SETCURSOR()
ON_WM_LBUTTONUP()
ON_WM_PAINT()
//}}AFX_MSG_MAP
ON_WM_NCHITTEST()
ON_WM_ERASEBKGND()
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CTrajView drawing
void CTrajView::DrawAxes(CDC* pDC)
{
if (m_State != TVS_DRAGGING)
return;
CPen penAxes;
penAxes.CreatePen(PS_SOLID, 0, RGB(0, 0, 0));
auto pOldPen = pDC->SelectObject(&penAxes);
CPoint Line[2];
int nFlag;
double fNorm = 160.f / sqrt(fsqr(m_fCoeffY * m_fCos) + fsqr(m_fCoeffX * m_fSin));
switch (m_nMarker)
{
case 0:
nFlag = F_PHI1;
break;
case 2:
nFlag = F_PHI2;
break;
case 4:
nFlag = F_PHI3;
break;
default:
nFlag = 0x00FF;
}
if (m_CalcDlg.GetEditFlags() & nFlag)
{
Line[0].x = (int)(m_InitialOffset.x - fNorm * m_fCoeffY * m_fCos);
Line[0].y = (int)(m_InitialOffset.y + fNorm * m_fCoeffX * m_fSin);
Line[1].x = (int)(m_InitialOffset.x + fNorm * m_fCoeffY * m_fCos);
Line[1].y = (int)(m_InitialOffset.y - fNorm * m_fCoeffX * m_fSin);
pDC->Polyline(Line, 2);
Line[0].x = (int)(m_InitialOffset.x + fNorm * m_fCoeffY * m_fCos * 0.55);
Line[0].y = (int)(m_InitialOffset.y - fNorm * m_fCoeffX * m_fSin * 0.55);
Line[1].x = (int)(m_InitialOffset.x + fNorm * m_fCoeffY * m_fCos * 0.45 + fNorm * m_fCoeffX * m_fSin * 0.03);
Line[1].y = (int)(m_InitialOffset.y - fNorm * m_fCoeffX * m_fSin * 0.45 + fNorm * m_fCoeffY * m_fCos * 0.03);
pDC->Polyline(Line, 2);
Line[1].x = (int)(m_InitialOffset.x + fNorm * m_fCoeffY * m_fCos * 0.45 - fNorm * m_fCoeffX * m_fSin * 0.03);
Line[1].y = (int)(m_InitialOffset.y - fNorm * m_fCoeffX * m_fSin * 0.45 - fNorm * m_fCoeffY * m_fCos * 0.03);
}
else
{
Line[0].x = (int)(m_InitialOffset.x - fNorm * m_fCoeffY * m_fCos * 0.03);
Line[0].y = (int)(m_InitialOffset.y + fNorm * m_fCoeffX * m_fSin * 0.03);
Line[1].x = (int)(m_InitialOffset.x + fNorm * m_fCoeffY * m_fCos * 0.03);
Line[1].y = (int)(m_InitialOffset.y - fNorm * m_fCoeffX * m_fSin * 0.03);
}
pDC->Polyline(Line, 2);
switch (m_nMarker)
{
case 0:
nFlag = F_L1;
break;
case 2:
nFlag = F_L2;
break;
case 4:
nFlag = F_L3;
break;
default:
nFlag = 0;
}
if (/*!(m_nMarker & 1) && (*/ m_CalcDlg.GetEditFlags() & nFlag)
{
Line[0].x = (int)(m_InitialOffset.x - fNorm * m_fCoeffX * m_fSin);
Line[0].y = (int)(m_InitialOffset.y - fNorm * m_fCoeffY * m_fCos);
Line[1].x = (int)(m_InitialOffset.x + fNorm * m_fCoeffX * m_fSin);
Line[1].y = (int)(m_InitialOffset.y + fNorm * m_fCoeffY * m_fCos);
pDC->Polyline(Line, 2);
Line[0].x = (int)(m_InitialOffset.x + fNorm * m_fCoeffX * m_fSin * 0.55);
Line[0].y = (int)(m_InitialOffset.y + fNorm * m_fCoeffY * m_fCos * 0.55);
Line[1].x = (int)(m_InitialOffset.x + fNorm * m_fCoeffX * m_fSin * 0.45 + fNorm * m_fCoeffY * m_fCos * 0.03);
Line[1].y = (int)(m_InitialOffset.y + fNorm * m_fCoeffY * m_fCos * 0.45 - fNorm * m_fCoeffX * m_fSin * 0.03);
pDC->Polyline(Line, 2);
Line[1].x = (int)(m_InitialOffset.x + fNorm * m_fCoeffX * m_fSin * 0.45 - fNorm * m_fCoeffY * m_fCos * 0.03);
Line[1].y = (int)(m_InitialOffset.y + fNorm * m_fCoeffY * m_fCos * 0.45 + fNorm * m_fCoeffX * m_fSin * 0.03);
}
else
{
Line[0].x = (int)(m_InitialOffset.x - fNorm * m_fCoeffX * m_fSin * 0.03);
Line[0].y = (int)(m_InitialOffset.y - fNorm * m_fCoeffY * m_fCos * 0.03);
Line[1].x = (int)(m_InitialOffset.x + fNorm * m_fCoeffX * m_fSin * 0.03);
Line[1].y = (int)(m_InitialOffset.y + fNorm * m_fCoeffY * m_fCos * 0.03);
}
pDC->Polyline(Line, 2);
pDC->SelectObject(pOldPen);
}
const auto Epsilon = 1.e-6f;
void CTrajView::DrawGridAndScale(CDC* pDC, const CRect& rect, Double2D fmin, Double2D fmax,
Double2D fPos, Double2D fCoeff)
{
double fEvenStepX = GetStep((fmax.x - fmin.x) / 4);
double fEvenStepY = GetStep((fmax.y - fmin.y) / 4);
if (m_CalcDlg.m_bIsotropic)
fEvenStepX = fEvenStepY = std::max(fEvenStepX, fEvenStepY);
double fStepX = fEvenStepX;
double fStepY = fEvenStepY;
//if (m_CalcDlg.m_bIsotropic)
// fStepX = fStepY = std::max(fStepX, fStepY);
double fOffsetX = fPos.x * fCoeff.x;
while (fOffsetX + Epsilon >= 0) fOffsetX -= fStepX * fCoeff.x;
fOffsetX += rect.left;
double fOffsetY = fPos.y * fCoeff.y;
while (fOffsetY + Epsilon >= 0) fOffsetY -= fStepY * fCoeff.y;
fOffsetY += rect.top;
CPen penGrid(PS_SOLID, 1, RGB(196, 196, 196));
auto pOldPen = pDC->SelectObject(&penGrid);
auto xLam = [=](int i) { return int(fOffsetX + fStepX * fCoeff.x * i); };
const int nScaleLeft = xLam(1);
const int nScaleRight = xLam(2);
for (int i = 1;; i++)
{
int x = xLam(i);
if (x > rect.right)
break;
pDC->MoveTo(x, rect.bottom);
pDC->LineTo(x, rect.top);
}
auto yLam = [=](int i) { return int(fOffsetY + fStepY * fCoeff.y * i); };
const int nScaleTop = yLam(1);
const int nScaleBottom = yLam(2);
for (int i = 1;; i++)
{
int y = yLam(i);
if (y > rect.bottom)
break;
pDC->MoveTo(rect.left, y);
pDC->LineTo(rect.right, y);
}
pDC->MoveTo(nScaleLeft, rect.top - 8);
pDC->LineTo(nScaleRight, rect.top - 8);
pDC->MoveTo(nScaleLeft, rect.top - 6);
pDC->LineTo(nScaleLeft, rect.top - 11);
pDC->MoveTo(nScaleRight, rect.top - 6);
pDC->LineTo(nScaleRight, rect.top - 11);
pDC->MoveTo(rect.left - 8, nScaleTop);
pDC->LineTo(rect.left - 8, nScaleBottom);
pDC->MoveTo(rect.left - 6, nScaleTop);
pDC->LineTo(rect.left - 11, nScaleTop);
pDC->MoveTo(rect.left - 6, nScaleBottom);
pDC->LineTo(rect.left - 11, nScaleBottom);
LOGFONT lf;
memset(&lf, 0, sizeof(LOGFONT));
lf.lfHeight = 14;
lf.lfWeight = 400;
_tcscpy_s(lf.lfFaceName, _T("Arial"));
CString strBuf;
CString strUnit; // = GetLabel_(UV_4_TRAJ_LENGTH);
CFont fontScaleHorz;
fontScaleHorz.CreateFontIndirect(&lf);
CFont* pOldFont = pDC->SelectObject(&fontScaleHorz);
pDC->SetBkMode(TRANSPARENT);
pDC->SetTextAlign(TA_LEFT | TA_BASELINE);
strBuf.Format(_T("%.0f %s"), fEvenStepX, (LPCTSTR)strUnit);
pDC->TextOut(nScaleRight + 6, rect.top - 6, strBuf);
lf.lfEscapement = 900;
lf.lfHeight = 12;
CFont fontScaleVert;
fontScaleVert.CreateFontIndirect(&lf);
pDC->SelectObject(&fontScaleVert);
pDC->SetTextAlign(TA_RIGHT | TA_BASELINE);
strBuf.Format(_T("%.0f %s"), fEvenStepY, (LPCTSTR)strUnit);
pDC->TextOut(rect.left - 6, nScaleBottom + 6, strBuf);
pDC->SelectObject(pOldFont);
pDC->SelectObject(pOldPen);
CBrush* pOldBrush = pDC->SelectObject(CBrush::FromHandle((HBRUSH)GetStockObject(NULL_BRUSH)));
pDC->Rectangle(&rect);
pDC->SelectObject(pOldBrush);
}
void CTrajView::UpdateMinMax(int i, Double2D fPos, double fR, double sin0,
double sin1, double cos0, double cos1, Double2D& fMin, Double2D& fMax)
{
double fRabs = fabs(fR);
double fAngle = m_CalcDlg.m_c[i + 1].Phi - m_CalcDlg.m_c[i].Phi;
while (fAngle > M_PI) fAngle -= (2 * M_PI);
while (fAngle < -M_PI) fAngle += (2 * M_PI);
bool bIsHalfTurn = (fAngle * fR < 0);
bool bExtendX = false;
bool bExtendY = false;
int nMayBeLoop = 0;
if (sin0 <= 0 && sin1 >= 0)
{
fMin.x = fmin(fMin.x, fPos.x - fRabs);
if (bIsHalfTurn)
bExtendY = true;
}
else if (sin0 >= 0 && sin1 <= 0)
{
fMax.x = fmax(fMax.x, fPos.x + fRabs);
if (bIsHalfTurn)
bExtendY = true;
}
else
nMayBeLoop++;
if (cos0 <= 0 && cos1 >= 0)
{
fMin.y = fmin(fMin.y, fPos.y - fRabs);
if (bIsHalfTurn)
bExtendX = true;
}
else if (cos0 >= 0 && cos1 <= 0)
{
fMax.y = fmax(fMax.y, fPos.y + fRabs);
if (bIsHalfTurn)
bExtendX = true;
}
else
nMayBeLoop++;
if (!bIsHalfTurn)
nMayBeLoop = 0;
if (nMayBeLoop == 2 || bExtendX)
{
fMin.x = fmin(fMin.x, fPos.x - fRabs);
fMax.x = fmax(fMax.x, fPos.x + fRabs);
}
if (nMayBeLoop == 2 || bExtendY)
{
fMin.y = fmin(fMin.y, fPos.y - fRabs);
fMax.y = fmax(fMax.y, fPos.y + fRabs);
}
}
// A method that performs custom painting on the view
void CTrajView::OnPaint()
{
// If the trajectory is not valid, do nothing
if (!m_CalcDlg.m_bValidTrajectory)
{
ValidateRect(NULL);
return;
}
// Create a device context for painting
CPaintDC dc(this);
// Get the client rectangle of the view
CRect rect;
GetClientRect(&rect);
// Clip the device context to the client rectangle
dc.IntersectClipRect(rect);
// Adjust the rectangle to leave some margins
rect.left += /*nDlgWidth +*/ 20;
rect.top += 20;
rect.right -= 12;
rect.bottom -= 12;
// Initialize the minimum and maximum values of x and y coordinates
Double2D fMin, fMax;
std::tie(fMin.y, fMax.y) = std::minmax({0.0, m_CalcDlg.m_fTVD});
std::tie(fMin.x, fMax.x) = std::minmax({0.0, m_CalcDlg.m_fDisp});
// Initialize the current values of x and y coordinates
double fX = 0.0;
double fY = 0.0;
// Initialize the coefficients for scaling the coordinates
double fCoeffX = 0.0;
double fCoeffY = 0.0;
// Create a pen for drawing the trajectory
CPen Pen;
Pen.CreatePen(PS_SOLID, 3, RGB(0, 0, 255));
CPen* pOldPen = NULL;
// Loop twice: first to calculate the coefficients, second to draw the trajectory
for (int bDraw = 0; bDraw < 2; bDraw++)
{
if (bDraw)
{
// Draw the grid and the scale on the device context
DrawGridAndScale(&dc, rect, fMin, fMax, { fX, fY }, { fCoeffX, fCoeffY });
// Draw the axes on the device context
DrawAxes(&dc);
// Select the pen for drawing the trajectory
pOldPen = dc.SelectObject(&Pen);
}
// Create an array of points for drawing the lines
CPoint Line[2];
Line[0].x = (int)(rect.left + fX * fCoeffX);
Line[0].y = (int)(rect.top + fY * fCoeffY);
// Loop through the segments of the trajectory
for (int i = 0; i < 3; i++)
{
// Calculate the sine and cosine of the angle of the segment
double sin0 = sin(m_CalcDlg.m_c[i].Phi);
double cos0 = cos(m_CalcDlg.m_c[i].Phi);
// Update the x and y coordinates by adding the length of the segment
fX += m_CalcDlg.m_c[i].L * sin0;
fY += m_CalcDlg.m_c[i].L * cos0;
// Update the second point of the line
Line[1].x = (int)(rect.left + fX * fCoeffX);
Line[1].y = (int)(rect.top + fY * fCoeffY);
// Update the marker position and orientation
m_Markers[i * 2].Point.x = (Line[0].x + Line[1].x) / 2;
m_Markers[i * 2].Point.y = (Line[0].y + Line[1].y) / 2;
m_Markers[i * 2].fSin = sin0;
m_Markers[i * 2].fCos = cos0;
// Draw the line if in the second loop
if (bDraw)
{
dc.Polyline(Line, 2);
}
// If not the last segment, draw the circle
if (i < 2)
{
// Get the radius of the circle
double fR = m_CalcDlg.m_c[i].R;
// Update the x and y coordinates by adding the offset of the circle
fX += fR * cos0;
fY -= fR * sin0;
// Calculate the sine and cosine of the angle of the next segment
double sin1 = sin(m_CalcDlg.m_c[i + 1].Phi);
double cos1 = cos(m_CalcDlg.m_c[i + 1].Phi);
// If in the first loop, update the minimum and maximum values of x and y coordinates
if (!bDraw)
{
UpdateMinMax(i, { fX, fY }, fR, sin0, sin1, cos0, cos1, fMin, fMax);
}
// Create a rectangle that bounds the circle
CRect bound;
bound.left = (int)(rect.left + (fX - fR) * fCoeffX);
bound.top = (int)(rect.top + (fY - fR) * fCoeffY);
bound.right = (int)(rect.left + (fX + fR) * fCoeffX);
bound.bottom = (int)(rect.top + (fY + fR) * fCoeffY);
// Update the x and y coordinates by subtracting the offset of the circle
fX -= fR * cos1;
fY += fR * sin1;
// Update the first point of the line
Line[0].x = (int)(rect.left + fX * fCoeffX);
Line[0].y = (int)(rect.top + fY * fCoeffY);
// Update the marker position and orientation
m_Markers[i * 2 + 1].Point.x = (Line[0].x + Line[1].x) / 2;
m_Markers[i * 2 + 1].Point.y = (Line[0].y + Line[1].y) / 2;
m_Markers[i * 2 + 1].fSin = sin((m_CalcDlg.m_c[i].Phi + m_CalcDlg.m_c[i + 1].Phi) / 2);
m_Markers[i * 2 + 1].fCos = cos((m_CalcDlg.m_c[i].Phi + m_CalcDlg.m_c[i + 1].Phi) / 2);
// Draw the arc if in the second loop and the circle is not degenerate
if (bDraw && m_CalcDlg.m_c[i + 1].Phi != m_CalcDlg.m_c[i].Phi && Line[0] != Line[1] && fR != 0)
{
// Draw the arc with the correct orientation
auto bArcOK = (fR < 0) ? dc.Arc(bound, Line[0], Line[1])
: dc.Arc(bound, Line[1], Line[0]);
// If the arc drawing failed, draw a line instead
if (!bArcOK)
{
dc.Polyline(Line, 2);
}
}
}
}
// Calculate the coefficients for scaling the coordinates
fX = -fMin.x;
fY = -fMin.y;
fCoeffX = (rect.Width()) / (fMax.x - fMin.x);
fCoeffY = (rect.Height()) / (fMax.y - fMin.y);
// If the trajectory is isotropic, use the same coefficient for both axes
if (m_CalcDlg.m_bIsotropic)
{
fCoeffX = fCoeffY = std::min(fCoeffX, fCoeffY);
}
}
// Restore the old pen
dc.SelectObject(pOldPen);
if (m_State != TVS_DRAGGING)
{
m_fCoeffX = fCoeffX;
m_fCoeffY = fCoeffY;
for (int i = 0; i < GetMarkerNumber(); i++)
DrawMarker(&dc, m_Markers[i].Point);
}
}
/////////////////////////////////////////////////////////////////////////////
// CTrajView message handlers
void CTrajView::OnLButtonDown(UINT nFlags, CPoint point)
{
if (m_State == TVS_ONMARKER)
{
SetCapture();
m_State = TVS_DRAGGING;
m_InitialOffset.x = point.x; // - m_Markers[m_nMarker].Point.x;
m_InitialOffset.y = point.y; // - m_Markers[m_nMarker].Point.y;
m_fSin = m_Markers[m_nMarker].fSin;
m_fCos = m_Markers[m_nMarker].fCos;
switch (m_nMarker)
{
case 0:
m_fSavePhi = m_CalcDlg.m_fPhi1;
m_fSaveL = m_CalcDlg.m_fL1;
break;
case 1:
m_fSaveBR = m_CalcDlg.m_fBR1;
break;
case 2:
m_fSavePhi = m_CalcDlg.m_fPhi2;
m_fSaveL = m_CalcDlg.m_fL2;
break;
case 3:
m_fSaveBR = m_CalcDlg.m_fBR2;
break;
case 4:
m_fSavePhi = m_CalcDlg.m_fPhi3;
m_fSaveL = m_CalcDlg.m_fL3;
m_fSin = -m_fSin;
m_fCos = -m_fCos; // Rotate axes on 180 degr.
break;
}
}
}
void CTrajView::OnMouseMove(UINT nFlags, CPoint point)
{
int nMarker;
double fSaveL, fSaveBR, fSavePhi;
if (m_CalcDlg.IsWorkingMode() && m_CalcDlg.m_bValidTrajectory)
{
bool bOnMarker = false;
for (nMarker = 0; nMarker < GetMarkerNumber(); nMarker++)
{
switch (nMarker)
{
case 0:
if (!(m_CalcDlg.GetEditFlags() & (F_L1 | F_PHI1)))
continue;
break;
case 1:
if (!(m_CalcDlg.GetEditFlags() & F_R1))
continue;
break;
case 2:
if (!(m_CalcDlg.GetEditFlags() & (F_L2 | F_PHI2)))
continue;
break;
case 3:
if (!(m_CalcDlg.GetEditFlags() & F_R2))
continue;
break;
case 4:
if (!(m_CalcDlg.GetEditFlags() & (F_L3 | F_PHI3)))
continue;
break;
}
if (IsMarkerHere(m_Markers[nMarker].Point, point))
{
bOnMarker = true;
break;
}
}
switch (m_State)
{
case TVS_NONE:
if (bOnMarker)
{
SetCursor(LoadCursor(NULL, IDC_CROSS));
m_State = TVS_ONMARKER;
m_nMarker = nMarker;
}
break;
case TVS_ONMARKER:
if (!bOnMarker)
{
SetCursor(LoadCursor(NULL, IDC_ARROW));
m_State = TVS_NONE;
}
break;
case TVS_DRAGGING:
double fSensitivity = exp(0.3 * (m_CalcDlg.m_Sensitivity.GetPos() - 10));
double x =
fSensitivity *
(point.x - m_InitialOffset.x); // * sqrt(m_fCoeffY / m_fCoeffX);// - m_Markers[m_nMarker].Point.x;
double y =
fSensitivity *
(point.y - m_InitialOffset.y); // * sqrt(m_fCoeffX / m_fCoeffY);// - m_Markers[m_nMarker].Point.y;
double fConv = sqrt(m_fCoeffX / m_fCoeffY);
double fLong = y * m_fCos / fConv + x * m_fSin * fConv;
double fTrans = x * m_fCos / fConv - y * m_fSin * fConv;
// double fLong = y * m_fCos / m_fCoeffX +
// x * m_fSin / m_fCoeffY;
// double fTrans =x * m_fCos / m_fCoeffX -
// y * m_fSin / m_fCoeffY;
const auto fCoeffPhi = 0.5;
const auto fCoeffL = 1.;
const auto fCoeffBR = 1.;
bool bAllowed = true;
switch (m_nMarker)
{
case 0:
fSavePhi = m_CalcDlg.m_fPhi1;
fSaveL = m_CalcDlg.m_fL1;
if (m_CalcDlg.GetEditFlags() & F_PHI1)
m_CalcDlg.m_fPhi1 = m_fSavePhi + fTrans * fCoeffPhi;
if (m_CalcDlg.GetEditFlags() & F_L1)
m_CalcDlg.m_fL1 = m_fSaveL + fLong * fCoeffL;
if (!m_CalcDlg.TryToApply())
{
m_CalcDlg.m_fPhi1 = fSavePhi;
m_CalcDlg.m_fL1 = fSaveL;
bAllowed = false;
}
break;
case 1:
fSaveBR = m_CalcDlg.m_fBR1;
m_CalcDlg.m_fBR1 = m_fSaveBR + fTrans * fCoeffBR;
if (!m_CalcDlg.TryToApply())
{
m_CalcDlg.m_fBR1 = fSaveBR;
bAllowed = false;
}
break;
case 2:
fSavePhi = m_CalcDlg.m_fPhi2;
fSaveL = m_CalcDlg.m_fL2;
if (m_CalcDlg.GetEditFlags() & F_PHI2)
m_CalcDlg.m_fPhi2 = m_fSavePhi + fTrans * fCoeffPhi;
if (m_CalcDlg.GetEditFlags() & F_L2)
m_CalcDlg.m_fL2 = m_fSaveL + fLong * fCoeffL;
if (!m_CalcDlg.TryToApply())
{
m_CalcDlg.m_fPhi2 = fSavePhi;
m_CalcDlg.m_fL2 = fSaveL;
bAllowed = false;
}
break;
case 3:
fSaveBR = m_CalcDlg.m_fBR2;
m_CalcDlg.m_fBR2 = m_fSaveBR + fTrans * fCoeffBR;
if (!m_CalcDlg.TryToApply())
{
m_CalcDlg.m_fBR2 = fSaveBR;
bAllowed = false;
}
break;
case 4:
fSavePhi = m_CalcDlg.m_fPhi3;
fSaveL = m_CalcDlg.m_fL3;
if (m_CalcDlg.GetEditFlags() & F_PHI3)
m_CalcDlg.m_fPhi3 = m_fSavePhi + fTrans * fCoeffPhi;
if (m_CalcDlg.GetEditFlags() & F_L3)
m_CalcDlg.m_fL3 = m_fSaveL + fLong * fCoeffL;
if (!m_CalcDlg.TryToApply())
{
m_CalcDlg.m_fPhi3 = fSavePhi;
m_CalcDlg.m_fL3 = fSaveL;
bAllowed = false;
}
break;
}
if (bAllowed)
SetCursor(LoadCursor(NULL, IDC_CROSS));
else
SetCursor(AfxGetApp()->LoadCursor((LPCTSTR)IDC_NOACTION));
break;
}
}
__super::OnMouseMove(nFlags, point);
}
BOOL CTrajView::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)
{
if (m_State == TVS_ONMARKER)
{
SetCursor(LoadCursor(NULL, IDC_CROSS));
return true;
}
return __super::OnSetCursor(pWnd, nHitTest, message);
}
void CTrajView::OnLButtonUp(UINT nFlags, CPoint point)
{
if (m_State == TVS_DRAGGING)
{
ReleaseCapture();
SetCursor(LoadCursor(NULL, IDC_ARROW));
m_State = TVS_NONE;
DestroyCursor(SetCursor(AfxGetApp()->LoadCursor((LPCTSTR)IDC_NOACTION)));
InvalidateRect(NULL); //&m_CalcDlg.UpdateRect);
}
}
int CTrajView::GetSegNumber() { return m_CalcDlg.GetTrajectoryType() + 2; }
int CTrajView::GetMarkerNumber()
{
switch (m_CalcDlg.GetTrajectoryType())
{
case tkJTrajectory:
case tkExtendedJTrajectory:
return 3;
case tkSTrajectory:
case tkExtendedSTrajectory:
return 5;
default:
ASSERT(0);
return 0;
}
}
LRESULT CTrajView::OnNcHitTest(CPoint point)
{
// https://groups.google.com/g/microsoft.public.vc.mfc/c/fHJiQmwZpfk
return HTCLIENT;
}
BOOL CTrajView::OnEraseBkgnd(CDC* pDC)
{
auto pPrevBrush = pDC->SelectObject(GetStockObject(WHITE_BRUSH));
CRect rect;
GetClientRect(&rect);
pDC->PatBlt(rect.left, rect.top, rect.Width(), rect.Height(), PATCOPY);
pDC->SelectObject(pPrevBrush);
return true;
}