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// BezierCurve.cpp: implementation of the CBezierCurve class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "GraphSoft.h"
#include "BezierCurve.h"
#include "math.h"
#include "GlobalFunction.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif
///////////////////////////////////
IMPLEMENT_SERIAL( CBezierCurve, CShape, 0 )
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////
CBezierCurve::CBezierCurve():CShape()
{
}
CBezierCurve::CBezierCurve(COLORREF color,int penWidth,float angle):CShape(color,penWidth,angle)
{
}
CBezierCurve::CBezierCurve(CBezierCurve * const pBezierCurve):CShape(pBezierCurve)
{
int i=pBezierCurve->m_flArrayxTemp.GetSize();
int j=0;
float fx,fy;
m_flArrayxTemp.RemoveAll();
m_flArrayyTemp.RemoveAll();
while(j++m_flArrayxTemp.GetAt(j-1);
fy=pBezierCurve->m_flArrayyTemp.GetAt(j-1);
m_flArrayxTemp.Add(fx);
m_flArrayyTemp.Add(fy);
}
i=pBezierCurve->m_flArrayx.GetSize();
j=0;
m_flArrayx.RemoveAll();
m_flArrayy.RemoveAll();
while(j++m_flArrayx.GetAt(j-1);
fy=pBezierCurve->m_flArrayy.GetAt(j-1);
m_flArrayx.Add(fx);
m_flArrayy.Add(fy);
}
}
CBezierCurve::~CBezierCurve()
{
}
//////////////////////////////////////////////////////////////////////////
void CBezierCurve::Serialize( CArchive& ar)
{
CShape::Serialize( ar ) ;
int i=0,j;
if ( ar.IsLoading() ){
float fx,fy;
ar>>i;
j=0;
while(j++ < i){
ar>>fx;
ar>>fy;
m_flArrayx.Add(fx);
m_flArrayy.Add(fy);
//temp
m_flArrayxTemp.Add(fx);
m_flArrayyTemp.Add(fy);
}
} else {
RefreshData(m_bModified);
i=m_flArrayx.GetSize();
j=0;
ar<SelectObject(&pen);
deCasteljau(pDC,m_flArrayxTemp,m_flArrayyTemp);
if(GetDrawPointsFlag()==1){
DrawPoints(pDC,color);
}
pDC->SelectObject(poldPen);
}
///////////////////////////////////////////
void CBezierCurve::DrawPointsCutTo(CDC *pDC,COLORREF color,CFlRect m_rectFrom,CRect m_rectTo)
{
// if(!IsInRect(m_rectFrom)){
// return;
// }
//得到移动扩缩后的关键数据
CArray flArrayx;
CArray flArrayy;;
//移动
int i=m_flArrayxTemp.GetSize(),j;
float stepx=m_rectTo.left-m_rectFrom.left;
float stepy=m_rectTo.top-m_rectFrom.top;
for(j=0;jSelectObject(&pen);
i=flArrayx.GetSize();
int nSX,nSY;
nSX=flArrayx.GetAt(0);
nSY=flArrayy.GetAt(0);
for(j=0;jMoveTo(flArrayx.GetAt(j),flArrayy.GetAt(j)-1-GetPenWidth());
pDC->LineTo(flArrayx.GetAt(j),flArrayy.GetAt(j)+2+GetPenWidth());
pDC->MoveTo(flArrayx.GetAt(j)-1-GetPenWidth(),flArrayy.GetAt(j));
pDC->LineTo(flArrayx.GetAt(j)+2+GetPenWidth(),flArrayy.GetAt(j));
//画线
pen.DeleteObject();
CShape::DotLine(pDC,nSX,nSY,flArrayx.GetAt(j),flArrayy.GetAt(j),color);
nSX=flArrayx.GetAt(j);
nSY=flArrayy.GetAt(j);
}
pDC->SelectObject(poldPen);
return;
}
void CBezierCurve::DrawPoints(CDC *pDC,COLORREF color)
{
CPen pen,*poldPen;
pen.CreatePen(PS_SOLID,1, color);
poldPen=pDC->SelectObject(&pen);
int i=m_flArrayxTemp.GetSize();
int nSX,nSY;
nSX=m_flArrayxTemp.GetAt(0);
nSY=m_flArrayyTemp.GetAt(0);
for(int j=0;jMoveTo(m_flArrayxTemp.GetAt(j),m_flArrayyTemp.GetAt(j)-1-GetPenWidth());
pDC->LineTo(m_flArrayxTemp.GetAt(j),m_flArrayyTemp.GetAt(j)+2+GetPenWidth());
pDC->MoveTo(m_flArrayxTemp.GetAt(j)-1-GetPenWidth(),m_flArrayyTemp.GetAt(j));
pDC->LineTo(m_flArrayxTemp.GetAt(j)+2+GetPenWidth(),m_flArrayyTemp.GetAt(j));
//画线
pen.DeleteObject();
// pen.CreatePen(PS_DOT,1,color);
// pDC->SelectObject(&pen);
//pDC->MoveTo(nSX,nSY);
//pDC->LineTo(m_flArrayxTemp.GetAt(j),m_flArrayyTemp.GetAt(j));
CShape::DotLine(pDC,nSX,nSY,m_flArrayxTemp.GetAt(j),m_flArrayyTemp.GetAt(j),color);
nSX=m_flArrayxTemp.GetAt(j);
nSY=m_flArrayyTemp.GetAt(j);
}
pDC->SelectObject(poldPen);
return;
}
////////////////////////////
void CBezierCurve::DrawCutToRect(CDC *pDC,COLORREF color,COLORREF fillColor,int penWidth,CFlRect m_rectFrom,CRect m_rectTo)
{
// if(!IsInRect(m_rectFrom)){
// return;
// }
//得到移动扩缩后的关键数据
CArray flArrayx;
CArray flArrayy;;
//移动
int i=m_flArrayxTemp.GetSize(),j;
float stepx=m_rectTo.left-m_rectFrom.left;
float stepy=m_rectTo.top-m_rectFrom.top;
for(j=0;jSelectObject(&pen);
deCasteljau(pDC,flArrayx,flArrayy);
if(GetDrawPointsFlag()==1){
DrawPointsCutTo(pDC,color,m_rectFrom,m_rectTo);
}
pDC->SelectObject(poldPen);
}
/*int CBezierCurve::deCasteljau(CDC *pDC,CArray& flArrayx,CArray& flArrayy)
{
if(flArrayx.GetSize()!=flArrayy.GetSize())
return 0;
CArray flLx,flLy,flRx,flRy;//（flLx,flLy）-----0〈=u〈=1/2内的控制点
//（flRx,flRy）-----1/2〈=u〈=1内的控制点
float flTemp1x,flTemp1y,flTemp2x,flTemp2y,flU=0.5;//flu-------u参数
int i,n,j;
n=flArrayx.GetSize();
if(n<2) return 0;
for(i=0;iMoveTo(m_flArrayx.GetAt(0),m_flArrayy.GetAt(0));
pDC->LineTo(m_flArrayx.GetAt(n-1),m_flArrayy.GetAt(n-1));
}else{
deCasteljau(pDC,flLx,flLy);
deCasteljau(pDC,flRx,flRy);
}
return 1;
}
*/
int CBezierCurve::deCasteljau(CDC *pDC,CArray& flArrayx,CArray& flArrayy)
{
if(flArrayx.GetSize()!=flArrayy.GetSize())
return 0;
float *pflX,*pflY;
float flTempx,flTempy,flU;//flu-------u参数
int i,n,j;
n=flArrayx.GetSize();
if(n<2) return 0;
pflX=new float[n];
pflY=new float[n];
flTempx=flArrayx.GetAt(0);
flTempy=flArrayy.GetAt(0);
for(i=0;iMoveTo(flTempx,flTempy);
pDC->LineTo(pflX[0],pflY[0]);
flTempx=pflX[0];
flTempy=pflY[0];
}
delete[] pflX;
delete[] pflY;
return 1;
}
////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////
void CBezierCurve::RefreshData(bool bRefresh)
{
if(bRefresh){
int i=m_flArrayxTemp.GetSize();
int j=0;
float fx,fy;
m_flArrayx.RemoveAll();
m_flArrayy.RemoveAll();
while(j++& flArrayX,CArray& flArrayY,int nPenWidth,COLORREF color,COLORREF fillColor,SHAPE_FILLSTYLE nStyle)
{
//if(ptArray.GetSize()<2){
// return;
//}
CShape::CreatGraph(flArrayX,flArrayY,nPenWidth,color,fillColor,nStyle);
int i=flArrayX.GetSize();
int j=0;
float flx,fly;
m_flArrayx.RemoveAll();
m_flArrayy.RemoveAll();
m_flArrayxTemp.RemoveAll();
m_flArrayyTemp.RemoveAll();
while(j++& flArrayX,CArray& flArrayY)
{
m_flArrayx.Copy(flArrayX);
m_flArrayxTemp.Copy(flArrayX);
m_flArrayy.Copy(flArrayY);
m_flArrayyTemp.Copy(flArrayY);
}
void CBezierCurve::GetPtData(CArray& flArrayX,CArray& flArrayY)
{
flArrayX.Copy(m_flArrayxTemp);
flArrayY.Copy(m_flArrayyTemp);
}
void CBezierCurve::CreatGraph(CArray& ptArray,int nPenWidth,COLORREF color,COLORREF fillColor,SHAPE_FILLSTYLE nStyle)
{
//if(ptArray.GetSize()<2){
// return;
//}
CShape::CreatGraph(ptArray,nPenWidth,color,fillColor,nStyle);
int i=ptArray.GetSize();
int j=0;
CPoint pt;
m_flArrayx.RemoveAll();
m_flArrayy.RemoveAll();
m_flArrayxTemp.RemoveAll();
m_flArrayyTemp.RemoveAll();
while(j++-1){
CShape::Draw(pDC,RGB(255,255,255),RGB(255,255,255));
m_flArrayxTemp.SetAt(m_nSelectPtNum,CurX);
m_flArrayyTemp.SetAt(m_nSelectPtNum,CurY);
m_flArrayx.SetAt(m_nSelectPtNum,CurX);
m_flArrayy.SetAt(m_nSelectPtNum,CurY);
// CShape::Draw(pDC);
}
}
void CBezierCurve::Rotate(CDC *pDC,float CX,float CY,float flAngle)
{
if(m_flScaleTemp!=1){
RefreshData(TRUE);
}
// CShape::Draw(pDC,RGB(255,255,255),RGB(255,255,255));
m_ptRotateCenterTemp=CPoint(CX,CY);
m_flAngleTemp=flAngle;
m_bModified=TRUE;
int i=m_flArrayx.GetSize();
int j=0;
float fx,fy,fxTemp,fyTemp;
while(j++rect.right){
rect.right=1000*fx;
}
if(1000*fyrect.bottom){
rect.bottom=1000*fy;
}
}
return rect;
}
CPoint CBezierCurve::GetCenterPoint()
{
CRect rect=GetBoundaryRect();
return rect.CenterPoint();
}
int CBezierCurve::IsPointinRegion(POINT point)
{
int nRltVal=0;
int i=m_flArrayx.GetSize();
int j=0;
CPoint pt1,pt2;
CRect rect;
while(++j < i){
pt1.x=m_flArrayxTemp.GetAt(j-1);
pt1.y=m_flArrayyTemp.GetAt(j-1);
pt2.x=m_flArrayxTemp.GetAt(j);
pt2.y=m_flArrayyTemp.GetAt(j);
rect=GetRectFromPoint(pt1,pt2);
if(rect.PtInRect(point)){
nRltVal|=1;
break;
}
}
return nRltVal;
}
//////
int CBezierCurve::GetPtState(float flx,float fly,float flRate)
{
int nRltVal=0;
int i=m_flArrayx.GetSize();
int j=0;
CRect rect;
float tmpx,tmpy;
while(j++Export...
// NOTE :
// RETURN :
// ARGUMENTS:
// I/O TYPE NAME EXPLANATION
// O FILE* outStream Out put File
// CREATE : FNST)handwolf 2004-4-14
// UPDATE :
// :
//////////////////////////////////////////////////////////////////////
void CBezierCurve::ExPort(FILE* outStream)//增加导出txt功能时用
{
fprintf(outStream, " CBezierCurve \n");
CShape::ExPort(outStream);
int n=m_flArrayxTemp.GetSize();
int i=0;
fprintf(outStream, " %d ",n);
while(i++ < n){
fprintf( outStream, " %f %f",(float)m_flArrayxTemp.GetAt(i-1),(float)m_flArrayyTemp.GetAt(i-1));
}
fprintf( outStream, "\n");
}
//////////////////////////////////////////////////////////////////////
// MODULE :ImPort
// ABSTRACT :ImPort from a txt file
// FUNCTION :File->ImPort...
// NOTE :
// RETURN :
// ARGUMENTS:
// I/O TYPE NAME EXPLANATION
// I FILE* inStream in put File
// CREATE : FNST)handwolf 2004-4-14
// UPDATE :
// :
//////////////////////////////////////////////////////////////////////
void CBezierCurve::ImPort(FILE* inStream)
{
CShape::ImPort(inStream);
float fx,fy;
int n;
fscanf(inStream, "%d",&n);
int i=0;
while(i++ < n){
fscanf(inStream, "%f%f",&fx,&fy);
m_flArrayx.Add(fx);
m_flArrayy.Add(fy);
//temp
m_flArrayxTemp.Add(fx);
m_flArrayyTemp.Add(fy);
}
}
CString CBezierCurve::GetNameString()
{
CString str;
str.LoadString(IDS_BEZIERCURVE);
return str;
}
//////////////////////////////////////////////////////////////////////
//End of File////////////////
////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////