You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
164 lines
3.1 KiB
C++
164 lines
3.1 KiB
C++
#include "StdAfx.h"
|
|
#include "CurveEditorCosine.h"
|
|
#include "SigmaDoc.h"
|
|
|
|
namespace NItem
|
|
{
|
|
|
|
void CurveEditorCosine::OnDrawDragPreview()
|
|
{
|
|
if (NewPointList.IsEmpty()) return;
|
|
|
|
CXyDC* pDC = GetDC();
|
|
CPen pen(PS_SOLID, 0, DRAG_LINE_COLOR);
|
|
CPen* op = m_pScreenDC->SelectObject(&pen);
|
|
int od = m_pScreenDC->SetROP2(R2_NOTXORPEN);
|
|
|
|
dfPoint dp1, dp2;
|
|
POSITION pos;
|
|
|
|
dp1 = NewPointList.GetHead();
|
|
|
|
pos = NewPointList.GetHeadPosition();
|
|
if (pos) NewPointList.GetNext(pos);
|
|
while (pos)
|
|
{
|
|
dp2 = NewPointList.GetNext(pos);
|
|
|
|
CPoint ptS1 = pDC->GetScreen(dp1);
|
|
m_pScreenDC->MoveTo(ptS1);
|
|
CPoint ptS2 = pDC->GetScreen(dp2);
|
|
m_pScreenDC->LineTo(ptS2);
|
|
|
|
dp1 = dp2;
|
|
}
|
|
m_pScreenDC->SetROP2(od);
|
|
m_pScreenDC->SelectObject(op);
|
|
}
|
|
|
|
void CurveEditorCosine::OnCalculateDragEffect(CPointList* pList)
|
|
{
|
|
BOOL bRedraw = TRUE;
|
|
BOOL bAttachProcess = TRUE;
|
|
CCurveEx* pValue = (CCurveEx*)GetDoc()->GetDraw()->GetAtValue(GetPos());
|
|
|
|
if (pList)
|
|
{
|
|
CCurveEx* pc = new CCurveEx;
|
|
*pc = *pValue;
|
|
pValue = pc;
|
|
bRedraw = FALSE;
|
|
bAttachProcess = FALSE;
|
|
}
|
|
|
|
CPointList oldPoints;
|
|
CPointList newPoints;
|
|
dfPoint pt;
|
|
|
|
// ?????????????????§ß??
|
|
int begin, end;
|
|
GetDragPoint(c_last, NewPointList, begin, end);
|
|
|
|
// ???????????????????
|
|
POSITION pos = NewPointList.GetHeadPosition();
|
|
for (int i = begin; i <= end && pos; i++)
|
|
{
|
|
dfPoint dp = NewPointList.GetNext(pos);
|
|
|
|
// ?????????
|
|
if (bAttachProcess)
|
|
{
|
|
pValue->GetPoint(i, pt);
|
|
oldPoints.AddTail(pt);
|
|
}
|
|
|
|
// ????????
|
|
pValue->x[i] = dp.x0;
|
|
pValue->y[i] = dp.y0;
|
|
|
|
// ?????????
|
|
if (bAttachProcess)
|
|
{
|
|
pValue->GetPoint(i, pt);
|
|
newPoints.AddTail(pt);
|
|
}
|
|
}
|
|
if (pValue->bAutoLocation) pValue->GetLocation();
|
|
|
|
// ??????
|
|
if (bAttachProcess)
|
|
{
|
|
if (oldPoints.GetCount() > 0)
|
|
AttachProcess(oldPoints, newPoints);
|
|
}
|
|
|
|
if (pList)
|
|
{
|
|
pValue->GetPoint(*pList);
|
|
delete pValue;
|
|
}
|
|
}
|
|
|
|
double CurveEditorCosine::GetPointOffset(double offset)
|
|
{
|
|
// ????????????????????§³??????????????
|
|
offset = 1.0 + cos(PI * offset);
|
|
offset *= offset * 0.25;
|
|
return offset;
|
|
}
|
|
|
|
void CurveEditorCosine::GetDragPoint(CPoint2D& dp, CPointList& NewPointList, int& begin, int& end)
|
|
{
|
|
int i = GetHandleIndex();
|
|
if (i < 0) return;
|
|
NewPointList.RemoveAll();
|
|
CCurveEx* pValue = (CCurveEx*)GetDoc()->GetDraw()->GetAtValue(GetPos());
|
|
dfPoint cp, t;
|
|
double distance, x0, y0, d;
|
|
int j;
|
|
begin = i;
|
|
end = i;
|
|
distance = 9; // ??????9????¦Ë
|
|
GetXY(pValue, i, cp);
|
|
|
|
// ????????????????????
|
|
for (j = i; j >= 0; j--)
|
|
{
|
|
GetXY(pValue, j, t);
|
|
d = fabs(t.l - cp.l);
|
|
begin = j;
|
|
if (d >= distance)
|
|
{
|
|
NewPointList.AddHead(t);
|
|
break;
|
|
}
|
|
// ??????????
|
|
x0 = GetPointOffset(d / distance);
|
|
y0 = (x0) * (dp.y0 - cp.y0);
|
|
x0 = (x0) * (dp.x0 - cp.x0);
|
|
t.Offset(x0, y0);
|
|
NewPointList.AddHead(t);
|
|
}
|
|
|
|
// ????????????????????????????
|
|
for (j = i + 1; j < pValue->num; j++)
|
|
{
|
|
GetXY(pValue, j, t);
|
|
d = fabs(t.l - cp.l);
|
|
end = j;
|
|
if (d >= distance)
|
|
{
|
|
NewPointList.AddTail(t);
|
|
break;
|
|
}
|
|
// ??????????
|
|
x0 = GetPointOffset(d / distance);
|
|
y0 = (x0) * (dp.y0 - cp.y0);
|
|
x0 = (x0) * (dp.x0 - cp.x0);
|
|
t.Offset(x0, y0);
|
|
NewPointList.AddTail(t);
|
|
}
|
|
}
|
|
|
|
}; // namespace
|