www.pudn.com > DrawVector.rar > DrawView.cpp
// DrawView.cpp : implementation of the CDrawView class
//
#include "stdafx.h"
#include "Draw.h"
#include "DrawDoc.h"
#include "DrawView.h"
#include "math.h"
#define pi 3.1415926
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CDrawView
//CGraphPara *p_GraphPara;
IMPLEMENT_DYNCREATE(CDrawView, CView)
BEGIN_MESSAGE_MAP(CDrawView, CView)
//{{AFX_MSG_MAP(CDrawView)
ON_WM_SIZE()
ON_WM_MOUSEMOVE()
ON_WM_LBUTTONDOWN()
ON_WM_RBUTTONDOWN()
ON_COMMAND(ID_DRAW_ARC,OnDrawArc)
ON_COMMAND(ID_DRAW_CIRCLE,OnDrawCircle)
ON_COMMAND(ID_DRAW_CIRCLE1,OnDrawCircle1)
ON_COMMAND(ID_DRAW_LINE,OnDrawLine)
ON_COMMAND(ID_DRAW_PLINE,OnDrawPline)
ON_COMMAND(ID_DRAW_RGN,OnDrawPlineRgn)
ON_COMMAND(ID_DRAW_TEXT,OnDrawText)
ON_COMMAND(ID_DRAW_NET,OnDrawNet)
ON_COMMAND(ID_DRAW_NET_LINK,OnDrawNetLink)
ON_COMMAND(ID_GRAPH_REDRAW, OnGraphRedraw)
ON_COMMAND(ID_GRAPH_ZOOM, OnGraphZoom)
ON_COMMAND(ID_GRAPH_PAN, OnGraphPan)
ON_COMMAND(ID_GRAPH_UP, OnGraphUp)
ON_COMMAND(ID_GRAPH_FIRST, OnGraphFirst)
ON_COMMAND(ID_GRAPH_ALL, OnGraphAll)
ON_COMMAND(ID_SELECT_MOUSE, OnSelectMouse)
ON_COMMAND(ID_SELECT_CLEAR, OnSelectClear)
ON_COMMAND(ID_EDIT_MOVE, OnEditMove)
ON_COMMAND(ID_SELECT_DELETE, OnSelectDelete)
//}}AFX_MSG_MAP
// Standard printing commands
ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
ON_COMMAND(ID_TEXT_MESSAGE,DrawText)
ON_COMMAND(ID_TEXT_ONOK,DrawTextOnOk)
ON_COMMAND(ID_TEXT_ONCANCEL,DrawTextOnCancel)
END_MESSAGE_MAP()
CDrawView *p_View;
/////////////////////////////////////////////////////////////////////////////
// CDrawView construction/destruction
void DPtoVP(float x,float y,int *X,int *Y);
void VPtoDP(int x,int y,float *X,float *Y);
int DLtoVL(float l);
float VLtoDL(int l);
extern float xMinScreen,yMinScreen,xMaxScreen,yMaxScreen;
void DPtoVP(float x,float y,int *X,int *Y)
{
p_View->DPtoVP(x,y,X,Y);
}
void VPtoDP(int x,int y,float *X,float *Y)
{
p_View->VPtoDP(x,y,X,Y);
}
int DLtoVL(float l)
{
return p_View->DLtoVL(l);
}
float VLtoDL(int l)
{
return p_View->VLtoDL(l);
}
CDrawView::CDrawView()
{
// TODO: add construction code here
m_xStart=0.0;
m_yStart=0.0;
blc=1.0;
m_pColor=1;//设置笔色
m_bColor=0;//当前底色的序号
m_brColor=1;//设置填充色
m_LineWide=1.0;//设置线宽
m_LineType=0;//设置线型
m_Layer=1;//选择当前图层
PointXyz=new PointStruct[10000];
pTextDlg=NULL;
//以下设置初始字体大小
m_FontHeight=20;
m_FontWide=10;
m_TextAngle=0;
m_FontAngle=0;
m_FontBetween=1;
m_TextString.Empty();
m_Text1=new CText();//创建一个标注文本对象
}
CDrawView::~CDrawView()
{
delete PointXyz;
delete m_Text1;
}
BOOL CDrawView::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: Modify the Window class or styles here by modifying
// the CREATESTRUCT cs
return CView::PreCreateWindow(cs);
}
/////////////////////////////////////////////////////////////////////////////
// CDrawView drawing
void CDrawView::VPtoDP(int x,int y,float *X,float *Y)
{
*X=m_xStart+x*blc;
if(m_MapMode==1)
*Y=m_yStart+blc*(m_hScreen-y);
else
*Y=m_yStart+blc*(y+m_hScreen);
}
void CDrawView::DPtoVP(float x,float y,int *X,int *Y)
{
*X=(int)((x-m_xStart)/blc);
if(m_MapMode==1)
*Y=m_hScreen-(int)((y-m_yStart)/blc);
else
*Y=(int)((y-m_yStart)/blc)-m_hScreen;
}
float CDrawView::VLtoDL(int l)
{
return blc*l;
}
int CDrawView::DLtoVL(float l)
{
return (int)(l/blc);
}
void CDrawView::OnSize(UINT nType,int cx,int cy)
{
m_wScreen=cx;
m_hScreen=cy;
CView::OnSize(nType,cx,cy);
}
void CDrawView::DrawBack(CDC* pDC)
{
CGraphPara m_GraphPara;
CGraphPara *p_GraphPara;
p_GraphPara=&m_GraphPara;
CBrush brush(p_GraphPara->GetColor(m_bColor));
CBrush* pOldBrush=pDC->SelectObject(&brush);
pDC->PatBlt(0,0,m_wScreen,m_hScreen,PATCOPY);
pDC->SelectObject(pOldBrush);
}
void CDrawView::OnDraw(CDC* pDC)
{
CDrawDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
// TODO: add draw code for native data here
xMinScreen=m_xStart;
yMinScreen=m_yStart;
xMaxScreen=xMinScreen+blc*m_wScreen;
yMaxScreen=yMinScreen+blc*m_hScreen;
DrawBack(pDC);
int a=m_bColor;
pDoc->Draw(pDC,0,0,m_bColor);
m_MapMode=pDC->SetMapMode(1);
}
/////////////////////////////////////////////////////////////////////////////
// CDrawView printing
BOOL CDrawView::OnPreparePrinting(CPrintInfo* pInfo)
{
// default preparation
return DoPreparePrinting(pInfo);
}
void CDrawView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add extra initialization before printing
}
void CDrawView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add cleanup after printing
}
/////////////////////////////////////////////////////////////////////////////
// CDrawView diagnostics
#ifdef _DEBUG
void CDrawView::AssertValid() const
{
CView::AssertValid();
}
void CDrawView::Dump(CDumpContext& dc) const
{
CView::Dump(dc);
}
CDrawDoc* CDrawView::GetDocument() // non-debug version is inline
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CDrawDoc)));
return (CDrawDoc*)m_pDocument;
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CDrawView message handlers
extern CGraphPara *p_GraphPara;
void CDrawView::OnActivateView(BOOL bActivate, CView* pActivateView, CView* pDeactiveView)
{
// TODO: Add your specialized code here and/or call the base class
p_View=this;
CDrawDoc* pDoc=(CDrawDoc*)GetDocument();
p_Screen=pDoc->m_Screen;
CView::OnActivateView(bActivate, pActivateView, pDeactiveView);
}
void CDrawView::OnPrint(CDC* pDC, CPrintInfo* pInfo)
{
// TODO: Add your specialized code here and/or call the base class
CPaintDC dc(this);
OnPrepareDC(&dc);
OnDraw(&dc);
CView::OnPrint(pDC, pInfo);
}
void CDrawView::OnMouseMove(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
CDrawDoc* pDoc=GetDocument();
CClientDC ddd(this);
CPen pen(0,0,RGB(0,0,0));
CPen* pOldPen=ddd.SelectObject(&pen);//在绘图对象中选择CPen对象
ddd.SetROP2(R2_NOT);
BOOL pb;
int x1,y1;
CArc m_Arc1;
if(m_DrawCurrent==1&&PushNumb==1)//直线
{
if(mPointOld!=point)
{
ddd.MoveTo(mPointOrign);
ddd.LineTo(mPointOld);
ddd.MoveTo(mPointOrign);
ddd.LineTo(point);
mPointOld=point;
}
}
else if((m_DrawCurrent==2||m_DrawCurrent==3)&&PushNumb>=1)
{
if(mPointOld!=point)
{
ddd.MoveTo(mPointOrign);
ddd.LineTo(mPointOld);
ddd.MoveTo(mPointOrign);
ddd.LineTo(point);
mPointOld=point;
}
}
else if((m_DrawCurrent==4||m_DrawCurrent==5)&&PushNumb>=1)
//如果正在绘制圆或填充圆，并且已经按下圆心点
{
if(mPointOld!=point)
{
if(m_DrawCurrent==4)
{
ddd.SelectStockObject(NULL_BRUSH);
}
r=(int)sqrt(pow((float)(mPointOrign.x-mPointOld.x),2)+pow((float)(mPointOrign.y-mPointOld.y),2));
ddd.Ellipse(mPointOrign.x-r,mPointOrign.y-r,mPointOrign.x+r,mPointOrign.y+r);
r=(int)sqrt(pow((long)(mPointOrign.x-point.x),2)+pow((float)(mPointOrign.y-point.y),2));
ddd.Ellipse(mPointOrign.x-r,mPointOrign.y-r,mPointOrign.x+r,mPointOrign.y+r);
mPointOld=point;
}
//Invalidate();
}
else if(m_DrawCurrent==6)//圆弧
{
if(PushNumb==2&&mPointOld!=point)
{
if(DrawArcYes)
m_Arc1.Draw(&ddd,1,0,m_bColor);
pb=jsarc(mPointOrign1,mPointOrign,point,&m_CircleX,&m_CircleY,&m_CircleR,&m_Angle1,&m_Angle2);
if(pb)
{
m_Arc1.Init(m_pColor,m_brColor,m_LineWide,m_LineType,m_Layer,0,m_CircleX,m_CircleY,m_CircleR,m_Angle1,m_Angle2);
m_Arc1.Draw(&ddd,1,0,m_bColor);
}
DrawArcYes=pb;
mPointOld=point;
}
// Invalidate();
}
else if(m_DrawCurrent==10&&PushNumb==1)
{
if(mPointOld!=point)
{
ddd.MoveTo(mPointOrign);
ddd.LineTo(mPointOld);
ddd.MoveTo(mPointOrign);
ddd.LineTo(point);
mPointOld=point;
}
}
else if((m_DrawCurrent==11||m_DrawCurrent==12)&&PushNumb==1)
{
if(point!=mPointOld)
{
if(m_DrawCurrent==11)//放大
{
ddd.SelectStockObject(NULL_BRUSH); //设置不填充状态
ddd.Rectangle(mPointOrign.x,mPointOrign.y,mPointOld.x,mPointOld.y);
ddd.Rectangle(mPointOrign.x,mPointOrign.y,point.x,point.y);
}
else
{
ddd.MoveTo(mPointOrign);ddd.LineTo(mPointOld);
ddd.MoveTo(mPointOrign);ddd.LineTo(point); //画新的橡皮线
}
mPointOld=point;
}
}
else if(m_DrawCurrent==19)
{
if(point!=mPointOld&&PushNumb>0)
{
x1=VLtoDL(point.x-mPointOld.x);
y1=-VLtoDL(point.y-mPointOld.y);
x_Move+=x1;
y_Move+=y1;
for(int i=0;in_GraphSelect;i++)
pDoc->DrawGraph(&ddd,pDoc->GraphSelect[i].Lb,pDoc->GraphSelect[i].index,1,1,0);
for( i=0;in_GraphSelect;i++)
{
CDraw* pDraw=pDoc->GetGraph(pDoc->GraphSelect[i].Lb,pDoc->GraphSelect[i].index);
pDraw->Move(x1,y1);
pDraw->Draw(&ddd,1,1,0);
}
}
mPointOld=point;
}
CView::OnMouseMove(nFlags, point);
}
void CDrawView::OnLButtonDown(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
CDrawDoc* pDoc=GetDocument();
CClientDC ht(this);
float r;
float xx1,yy1,xx2,yy2;
int x1,x2,y1,y2,Lb,index,pbh,id_only;
float BackColor;
BOOL m_bFill;
int id;
int m_sNetID;
//画直线
if(m_DrawCurrent==1)
{
if(PushNumb==0)
{
PushNumb++;
mPointOrign=point;
mPointOld=point;
SetCapture();
}
else if(PushNumb==1)
{
VPtoDP(mPointOrign.x,mPointOrign.y,&xx1,&yy1);
VPtoDP(point.x,point.y,&xx2,&yy2);
id_only=pDoc->GetGraphID(1);
int b=m_pColor;
CLine* pLine=pDoc->AddLine(m_pColor,m_brColor,m_LineWide,m_LineType,m_Layer,id_only,xx1,yy1,xx2,yy2);
pLine->Draw(&ht,0,0,m_bColor);
PushNumb=0;
ReleaseCapture();
}
}
//连续直线或者多边形区域
else if(m_DrawCurrent==2||m_DrawCurrent==3)
{
PointXyz[PushNumb].x=m_xStart+blc*point.x;
PointXyz[PushNumb].y=m_yStart+blc*(m_hScreen-point.y);
if(PushNumb==0)
{
SetCapture();
mPointOrign=point;
mPointOld=point;
}
else
{
mPointOrign=mPointOld;
mPointOld=point;
}
PushNumb++;//记录按下鼠标左键的次数
}
else if(m_DrawCurrent==4||m_DrawCurrent==5)//圆或者填充圆
{
if(PushNumb==0)
{
mPointOrign=point;
mPointOld=point;
PushNumb++;
SetCapture();
}
else
{
r=(float)sqrt(pow((float)(mPointOrign.x-mPointOld.x),2)+pow((float)(mPointOrign.y-mPointOld.y),2));
VPtoDP(mPointOrign.x,mPointOrign.y,&xx1,&yy1);
if(m_DrawCurrent==4)
m_bFill=0;
else
m_bFill=1;
id_only=pDoc->GetGraphID(3);
int a=m_pColor;
pDoc->AddCircle(m_pColor,m_brColor,m_LineWide,m_LineType,m_Layer,id_only,xx1,yy1,r,m_bFill)->Draw(&ht,0,0,m_bColor);
PushNumb=0;
ReleaseCapture();
}
}
else if(m_DrawCurrent==6)//圆弧
{
if(PushNumb==0)
{
SetCapture();
DrawArcYes=0;
mPointOrign1=point;
PushNumb++;
}
else if(PushNumb==1)
{
mPointOrign=point;
PushNumb++;
}
else
{
jsarc(mPointOrign1,mPointOrign,point,&m_CircleX,&m_CircleY,&m_CircleR,&m_Angle1,&m_Angle2);
id_only=pDoc->GetGraphID(4);
pDoc->AddArc(m_pColor,m_brColor,m_LineWide,m_LineType,m_Layer,id_only,m_CircleX,m_CircleY,m_CircleR,m_Angle1,m_Angle2)->Draw(&ht,0,0,m_bColor);
PushNumb=0;
ReleaseCapture();
Invalidate();
}
}
else if(m_DrawCurrent==7)//标注文本的交互绘制
{
VPtoDP(point.x,point.y,&m_TextX,&m_TextY);
if(!pTextDlg)
{
pTextDlg=new TextWriteDlg(this,m_TextString);
ASSERT(pTextDlg);
}
if(!(pTextDlg->IsOpen()))
pTextDlg->Create(IDD_WRITE_TEXT,this);
if(!(pTextDlg->IsVisible()))
pTextDlg->ShowWindow(SW_SHOW);
}
else if(m_DrawCurrent==8)
{
VPtoDP(point.x,point.y,&xx1,&yy1);
id=pDoc->GetGraphID(8);
pDoc->AddNetPoint(xx1,yy1,3,m_Layer,id,m_pColor)->Draw(&ht,0,0,1);
PushNumb=0;
ReleaseCapture();
}
else if(m_DrawCurrent==9)
{
VPtoDP(point.x,point.y,&xx1,&yy1);
int nn1=pDoc->PointSelect(8,xx1,yy1,blc,&Lb,&index,&pbh);
if(nn1>0)
{
if(PushNumb==0)
{
PushNumb++;
m_sNetID=pbh;
mPointOrign=point;
mPointOld=point;
SetCapture();
}
else if(PushNumb==1)
{
ht.MoveTo(mPointOrign);
ht.LineTo(point);
pDoc->AddNetLink(m_sNetID,pbh)->Draw(&ht,0,0,m_bColor);
PushNumb=0;
ReleaseCapture();
}
}
}
else if(m_DrawCurrent==11||m_DrawCurrent==12)
{
if(PushNumb==0)
{
mPointOrign=point; //原点等于按中点
mPointOld=point;
PushNumb++;
SetCapture();
}
else if(PushNumb==1)
{
if(m_DrawCurrent==11)//图形放大
{
x1=min(mPointOrign.x,point.x);
y1=max(mPointOrign.y,point.y);
x2=max(mPointOrign.x,point.x);
y2=min(mPointOrign.y,point.y);
VPtoDP(x1,y1,&m_xStart,&m_yStart);//得到视图屏幕原点实际坐标
//改变原点的坐标
m_xStart=m_xStart+blc*x1;
m_yStart=m_yStart+blc*(m_hScreen-y1);
//改变比例
float b11=(float)m_wScreen/(float)(x2-x1);
float b12=(float)m_hScreen/(float)(y1-y2);
// float b11=(float)(x2-x1)/(float)m_wScreen;
// float b12=(float)(y2-y1)/(float)m_hScreen;
if(b12AddScreen(m_xStart,m_yStart,blc);
ReleaseCapture();
Invalidate();
}
}
else if(m_DrawCurrent==19)
{
if(PushNumb=0)
{
x_Move=0;
y_Move=0;
mPointOrign=point;
mPointOld=point;
PushNumb++;
SetCapture();
}
else if(PushNumb==1)
{
PushNumb=0;
ReleaseCapture();
m_DrawCurrent=0;
Invalidate();
}
}
else if(m_DrawCurrent==30)//实现点选图形元素的功能
{
if(pDoc->n_GraphSelect==10000)
{
AfxMessageBox("最多只能选择10000个图形元素");
return ;
}
VPtoDP(point.x,point.y,&xx1,&yy1);
float j1=blc*4;
BOOL pb=pDoc->PointSelect(xx1,yy1,j1,blc,&Lb,&index,&id_only);
if(pb)
{
BOOL pb1=pDoc->AddSelectList(Lb,index,id_only);
if(pb1)
pDoc->DrawGraph(&ht,Lb,index,0,1,BackColor);
// pDoc->DrawGraph(&ht,Lb,index,0,1);
}
}
// CView::OnLButtonDown(nFlags, point);
}
void CDrawView::OnRButtonDown(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
CDrawDoc* pDoc=GetDocument();
CClientDC ddd(this);
CPen pen(0,0,RGB(0,0,0));
CPen* pOldPen=ddd.SelectObject(&pen);
ddd.SetROP2(R2_NOT);
int id_only;
CArc m_Arc1;
if(m_DrawCurrent==1&&PushNumb==1)
{
ddd.MoveTo(mPointOrign);
ddd.LineTo(mPointOld);
PushNumb=0;
ReleaseCapture();
}
else if((m_DrawCurrent==2||m_DrawCurrent==3)&&PushNumb>0)
{
ddd.MoveTo(mPointOrign);
ddd.LineTo(mPointOld);
if(m_DrawCurrent==2&&PushNumb>1)
{
id_only=pDoc->GetGraphID(2);
pDoc->AddPLine(m_pColor,m_brColor,m_LineWide,m_LineType,m_Layer,id_only,PushNumb,PointXyz)->Draw(&ddd,0,0,m_bColor);
ReleaseCapture();
}
else if(m_DrawCurrent==3&&PushNumb>2)
{
id_only=pDoc->GetGraphID(2);
pDoc->AddPLineRgn(m_pColor,m_brColor,m_LineWide,m_LineType,m_Layer,id_only,PushNumb,PointXyz,0,1)->Draw(&ddd,0,0,m_bColor);
ReleaseCapture();
}
PushNumb=0;
ReleaseCapture();
}
else if((m_DrawCurrent==4||m_DrawCurrent==5)&&PushNumb>0)
{
if(m_DrawCurrent==4)
ddd.SelectStockObject(NULL_BRUSH);
r=(int)sqrt(pow((float)(mPointOrign.x-mPointOld.x),2)+pow((float)(mPointOrign.y-mPointOld.y),2));
ddd.Ellipse(mPointOrign.x-r,mPointOrign.y-r,mPointOrign.x+r,mPointOrign.y+r);
ReleaseCapture();
PushNumb=0;
}
else if(m_DrawCurrent==6&&PushNumb>0)
{
if(PushNumb==2)
m_Arc1.Draw(&ddd,1,0,m_bColor);
PushNumb=0;
ReleaseCapture();
}
else if(m_DrawCurrent==9&&PushNumb==1)
{
ddd.MoveTo(mPointOrign);
ddd.LineTo(mPointOld);
PushNumb=0;
ReleaseCapture();
}
else if((m_DrawCurrent==11||m_DrawCurrent==12)&&PushNumb==1)
{
ddd.SelectStockObject(NULL_BRUSH);
if(m_DrawCurrent==11)
ddd.Rectangle(mPointOrign.x,mPointOrign.y,point.x,point.y);
else
{
ddd.MoveTo(mPointOrign);
ddd.LineTo(point);
}
ReleaseCapture();
PushNumb=0;
}
else if(m_DrawCurrent==19&&PushNumb>0)
{
for(int i=0;in_GraphSelect;i++)
pDoc->DrawGraph(&ddd,pDoc->GraphSelect[i].Lb,pDoc->GraphSelect[i].index,1,1,0);
for(i=0;in_GraphSelect;i++)
pDoc->GetGraph(pDoc->GraphSelect[i].Lb,pDoc->GraphSelect[i].index)->Move(-x_Move,-y_Move);
ReleaseCapture();
PushNumb=0;
// m_bPopup=1;
Invalidate();
}
ddd.SelectObject(pOldPen);//恢复原来的画笔
CView::OnRButtonDown(nFlags, point);
}
void CDrawView::OnDrawLine()
{
PushNumb=0;
m_DrawCurrent=1;
}
void CDrawView::OnDrawCircle()
{
PushNumb=0;
m_DrawCurrent=4;
}
void CDrawView::OnDrawCircle1()
{
PushNumb=0;
m_DrawCurrent=5;
}
void CDrawView::OnDrawArc()
{
PushNumb=0;
m_DrawCurrent=6;
}
void CDrawView::OnDrawText()
{
PushNumb=0;
m_DrawCurrent=7;
}
void CDrawView::OnDrawPline()
{
PushNumb=0;
m_DrawCurrent=2;
}
void CDrawView::OnDrawPlineRgn()
{
PushNumb=0;
m_DrawCurrent=3;
}
void CDrawView::OnDrawNet()
{
PushNumb=0;
m_DrawCurrent=8;
}
void CDrawView::OnDrawNetLink()
{
PushNumb=0;
m_DrawCurrent=9;
}
BOOL CDrawView::jsarc(CPoint p1,CPoint p2,CPoint p3,float *CircleX,float *CircleY,float *CircleR,float *Angle1,float *Angle2)
{
float an1,an2,an3,k1,k2;
float x1,y1,x2,y2,x3,y3,xx1,xx2,yy1,yy2,xx,yy,rr;
x1=(float)p1.x;y1=(float)p1.y;x2=(float)p2.x;//将三个点的变量赋值给浮点变量
y2=(float)p2.y;x3=(float)p3.x;y3=(float)p3.y;
if(x1==x2&&y1==y2||x1==x3&&y1==y3||x2==x3&&y2==y3)//如果有两个点的坐标相同
return FALSE; //操作不成功，返回FALSE
xx1=(x1+x2)/2;yy1=(y1+y2)/2;
xx2=(x2+x3)/2;yy2=(y2+y3)/2;
if(fabs(y2-y1)>0.5) //如果第一条直线段的垂线不是竖直线
k1=-(x2-x1)/(y2-y1);
if(fabs(y3-y2)>0.5)
k2=-(x3-x2)/(y3-y2);
if(k1==k2&&k1==0.0)
return 0;
if(fabs(y2-y1)<0.5)
{
xx=xx1;
if(fabs(y3-y2)<0.5)
{
yy=y2+10000;
rr=10000;
}
else
{
yy=yy2+k2*(xx2-xx);
rr=yy-y2;
if(rr<0)
rr=-rr;
}
}
else if(fabs(y2-y3)<0.5)
{
yy=yy1+k1*(xx1-xx);
rr=yy-y2;
if(rr<0)
rr=-rr;
}
else
{
if(k1==k2)
{
xx=x2+(float)(10000/sqrt(1+k1*k1));
yy=y2+(float)(10000/sqrt((1+k1*k1)/(k1*k1)));
rr=10000;
}
else
{
xx=(yy2-yy1+k1*xx1-k2*xx2)/(k1-k2);
yy=yy1+k1*(xx-xx1);
rr=(float)sqrt((xx-x1)*(xx-x1)+(yy-y1)*(yy-y1));
}
}
*CircleX=m_xStart+blc*xx;
*CircleY=m_yStart+blc*(m_hScreen-yy)*blc;
*CircleR=blc*rr;
an1=(float)acos((x1-xx)/rr);
if(y1-yy>0)
an1=(float)(pi*2-an1);
an2=(float)acos((x2-xx)/rr);
if(y2-yy>0)
an2=(float)(pi*2-an2);
an3=(float)acos((x3-xx)/rr);
if(y3-yy>0)
an3=(float)(pi*2-an3);
if(an2>an1&&an2m_Text; //从标注文本对话框中得到标注文本内容
m_Text1->Init(m_pColor,m_brColor,m_LineWide,m_LineType,m_Layer,m_TextX,m_TextY,m_TextAngle,m_FontAngle,m_FontHeight,m_FontWide,m_FontBetween,0,m_TextString);
m_Text1->Draw(&ht,0,0,m_bColor);//绘制标准文本
}
void CDrawView::DrawTextOnOk()
{
CDrawDoc* pDoc=GetDocument();
CClientDC ht(this);
int TextLong;
PushNumb=0;
m_TextString=pTextDlg->m_Text;
TextLong=m_TextString.GetLength();
if(TextLong>0)
{
int id_only=pDoc->GetGraphID(5);
pDoc->AddText(m_pColor,m_brColor,m_LineWide,m_LineType,m_Layer,id_only,
m_TextX,m_TextY,m_TextAngle,m_FontAngle,m_FontHeight,m_FontWide,
m_FontBetween,0,TextLong,m_TextString)->Draw(&ht,0,0,m_bColor);
pTextDlg->m_Text.Empty(); //晴空字符串内容
pTextDlg->SendMessage(WM_INITDIALOG);
}
}
void CDrawView::DrawTextOnCancel()
{
pTextDlg->m_Text.Empty();//晴空标注文本对话框中编辑框内的内容
pTextDlg->SendMessage(WM_INITDIALOG);
}
void CDrawView::OnGraphRedraw()
{
// TODO: Add your command handler code here
CDrawDoc* pDoc=GetDocument();
pDoc->UpdateAllViews(this);//使文档对象的所有视图重画
Invalidate();
}
void CDrawView::OnGraphZoom()
{
// TODO: Add your command handler code here
m_DrawCurrent=11;//标识进行图形放大操作
PushNumb=0;
}
void CDrawView::OnGraphPan()
{
// TODO: Add your command handler code here
m_DrawCurrent=12;//标识进行图形摆动操作
PushNumb=0;
}
void CDrawView::OnGraphUp()
{
// TODO: Add your command handler code here
CDrawDoc* pDoc=(CDrawDoc*)GetDocument();
if(pDoc->m_CurrentScreen>0)
pDoc->m_CurrentScreen--;
m_xStart=p_Screen[pDoc->m_CurrentScreen].sx;
m_yStart=p_Screen[pDoc->m_CurrentScreen].sy;
blc=p_Screen[pDoc->m_CurrentScreen].blc;
Invalidate(); //重画图形
}
void CDrawView::OnGraphFirst() //重画首屏
{
// TODO: Add your command handler code here
CDrawDoc* pDoc=GetDocument();
if(pDoc->m_CurrentScreen==0)
return ;
m_xStart=p_Screen[0].sx;
m_yStart=p_Screen[0].sy;
blc=p_Screen[0].blc;
pDoc->AddScreen(m_xStart,m_yStart,blc);
Invalidate();
}
//实现显示全屏功能
void CDrawView::OnGraphAll()
{
// TODO: Add your command handler code here
float minx,miny,maxx,maxy,bl1;
CDrawDoc* pDoc=GetDocument();
SetCapture();
SetCursor(LoadCursor(NULL,IDC_WAIT));
BOOL pb=pDoc->GetRect(&minx,&miny,&maxx,&maxy);
SetCursor(LoadCursor(NULL,IDC_ARROW));
ReleaseCapture();
if(!pb)
return ;
bl1=(maxx-minx)/(m_wScreen-20);
blc=(maxy-miny)/(m_hScreen-20);
if(bl1>blc)
blc=bl1;
m_xStart=minx-10*blc;
m_yStart=miny-10*blc;
p_Screen[0].sx=m_xStart;
p_Screen[0].sy=m_yStart;
p_Screen[0].blc=blc;
pDoc->m_CurrentScreen=0;
Invalidate();
}
void CDrawView::OnSelectMouse()
{
// TODO: Add your command handler code here
m_DrawCurrent=30; //标识进行图形元素点选操作
PushNumb=0;
}
void CDrawView::OnSelectClear()
{
// TODO: Add your command handler code here
CDrawDoc* pDoc=GetDocument();
CClientDC ht(this);
for(int i=0;in_GraphSelect;i++)
pDoc->DrawGraph(&ht,pDoc->GraphSelect[i].Lb,pDoc->GraphSelect[i].index,0,0,0);
pDoc->n_GraphSelect=0;
}
void CDrawView::OnEditMove()
{
// TODO: Add your command handler code here
CDrawDoc* pDoc=GetDocument();
m_DrawCurrent=19;
PushNumb=0;
}
void CDrawView::Delete(CDC* pDC,int Lb,int index)
{
float x1,y1,x2,y2;
CDrawDoc* pDoc=GetDocument();
CDraw* pDraw;
pDraw=pDoc->GetGraph(Lb,index);
pDraw->Delete(1);
if(Lb==1)
pDraw->Draw(pDC,0,2,m_bColor);
else if(Lb==2)
pDraw->Draw(pDC,0,2,m_bColor);
else if(Lb==3)
{
if(!pDraw->IsFill())
pDraw->Draw(pDC,0,2,m_bColor);
else
{
pDraw->GetRect(&x1,&y1,&x2,&y2);
ReDrawRect(x1,y1,x2,y2);
}
}
else if(Lb==4)
pDraw->Draw(pDC,0,2,m_bColor);
else if(Lb==5)
{
pDraw->GetRect(&x1,&y1,&x2,&y2);
ReDrawRect(x1,y1,x2,y2);
}
else if(Lb==6)
{
pDraw->GetRect(&x1,&y1,&x2,&y2);
ReDrawRect(x1,y1,x2,y2);
}
else if(Lb==7)
{
pDraw->GetRect(&x1,&y1,&x2,&y2);
ReDrawRect(x1,y1,x2,y2);
}
else if(Lb==8)
pDraw->Draw(pDC,0,2,m_bColor);
}
void CDrawView::ReDrawRect(float X1,float Y1,float X2,float Y2)
{
float xx1,xx2,yy1,yy2;
CRect r1;
//以下是视图屏幕矩形区域的实际坐标
xx1=xMinScreen;
xx2=xMaxScreen;
yy1=yMinScreen;
yy2=yMaxScreen;
//得到需要绘制区域与视图屏幕区域相交的边界矩形
BOOL IsCross=RectCross(&xx1,&yy1,&xx2,&yy2,X1,Y1,X2,Y2);
if(IsCross)
{
r1.left=(int)((xx1-m_xStart)/blc)-1;
r1.right=(int)((xx2-m_xStart)/blc)+1;
r1.top=m_hScreen-(int)((yy2-m_yStart)/blc)-1;
r1.bottom=m_hScreen-(int)((yy1-m_yStart)/blc)+1;
InvalidateRect(r1);
}
}
BOOL CDrawView::RectCross(float* x1,float* y1,float* x2,float* y2,float xx1,float yy1,float xx2,float yy2)
{
float m_X1,m_Y1,m_X2,m_Y2;
m_X1=*x1;m_Y1=*y1;m_X2=*x2;m_Y2=*y2;
if(m_X1>xx2||m_X2yy2||m_Y2n_GraphSelect;i++)
{
Delete(&ht,pDoc->GraphSelect[i].Lb,pDoc->GraphSelect[i].index);
ReleaseCapture();
pDoc->n_GraphSelect=0;
}
}