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DrawLineView.cpp
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147 lines (108 loc) · 3.05 KB
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// DrawLineView.cpp: CDrawLineView 类的实现
//
#include "stdafx.h"
// SHARED_HANDLERS 可以在实现预览、缩略图和搜索筛选器句柄的
// ATL 项目中进行定义，并允许与该项目共享文档代码。
#ifndef SHARED_HANDLERS
#include "DrawLine.h"
#endif
#include "DrawLineDoc.h"
#include "DrawLineView.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
// CDrawLineView
IMPLEMENT_DYNCREATE(CDrawLineView, CView)
BEGIN_MESSAGE_MAP(CDrawLineView, CView)
// 标准打印命令
ON_COMMAND(ID_FILE_PRINT, &CView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_DIRECT, &CView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_PREVIEW, &CView::OnFilePrintPreview)
ON_WM_RBUTTONDOWN()
ON_WM_RBUTTONUP()
END_MESSAGE_MAP()
// CDrawLineView 构造/析构
CDrawLineView::CDrawLineView() noexcept
{
// TODO: 在此处添加构造代码
}
CDrawLineView::~CDrawLineView()
{
}
BOOL CDrawLineView::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: 在此处通过修改
// CREATESTRUCT cs 来修改窗口类或样式
return CView::PreCreateWindow(cs);
}
// CDrawLineView 绘图
void CDrawLineView::OnDraw(CDC* /*pDC*/)
{
CDrawLineDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
if (!pDoc)
return;
// TODO: 在此处为本机数据添加绘制代码
}
// CDrawLineView 打印
BOOL CDrawLineView::OnPreparePrinting(CPrintInfo* pInfo)
{
// 默认准备
return DoPreparePrinting(pInfo);
}
void CDrawLineView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: 添加额外的打印前进行的初始化过程
}
void CDrawLineView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: 添加打印后进行的清理过程
}
// CDrawLineView 诊断
#ifdef _DEBUG
void CDrawLineView::AssertValid() const
{
CView::AssertValid();
}
void CDrawLineView::Dump(CDumpContext& dc) const
{
CView::Dump(dc);
}
CDrawLineDoc* CDrawLineView::GetDocument() const // 非调试版本是内联的
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CDrawLineDoc)));
return (CDrawLineDoc*)m_pDocument;
}
#endif //_DEBUG
// CDrawLineView 消息处理程序
void CDrawLineView::OnRButtonDown(UINT nFlags, CPoint point)
{
// TODO: 在此添加消息处理程序代码和/或调用默认值
if (this->flag == false)
{
this->flag = true;
this->start = point;
}
CView::OnRButtonDown(nFlags, point);
}
void CDrawLineView::OnRButtonUp(UINT nFlags, CPoint point)
{
// TODO: 在此添加消息处理程序代码和/或调用默认值
if (this->flag == true)
{
CDC *pdc = this->GetDC();
this->flag = false;
this->end = point;
this->dda.SetDc(pdc);
this->dda.Moveline(this->start,this->end);
this->ptp.SetDc(pdc);
this->ptp.Moveline(*new CPoint(this->start.x+20, this->start.y), *new CPoint(this->end.x+ 20, this->end.y));
this->Bresen.SetDc(pdc);
this->Bresen.Moveline(*new CPoint(this->start.x + 40, this->start.y ), *new CPoint(this->end.x + 40, this->end.y));
this->Midpoi.SetDc(pdc);
this->Midpoi.Moveline(*new CPoint(this->start.x + 60, this->start.y ), *new CPoint(this->end.x + 60, this->end.y ));
ReleaseDC(pdc);
}
CView::OnRButtonUp(nFlags, point);
}