使用MFC实现的绘图软件

 // 1900402213View.cpp: CMy1900402213View 类的实现 // #include "pch.h" #include "framework.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 "1900402213.h" #endif #include "CLine.h" #include "CCircle.h" #include "1900402213Doc.h" #include "1900402213View.h" #ifdef _DEBUG #define new DEBUG_NEW #endif // CMy1900402213View IMPLEMENT_DYNCREATE(CMy1900402213View, CView) BEGIN_MESSAGE_MAP(CMy1900402213View, 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, &CMy1900402213View::OnFilePrintPreview) ON_WM_CONTEXTMENU() ON_WM_RBUTTONUP() ON_COMMAND(ID_Line, &CMy1900402213View::OnLine) ON_COMMAND(ID_SQUARE, &CMy1900402213View::OnSquare) ON_COMMAND(ID_CIRCLE, &CMy1900402213View::OnCircle) ON_WM_LBUTTONDOWN() ON_WM_LBUTTONUP() ON_WM_MOUSEMOVE() ON_COMMAND(ID_red_pen, &CMy1900402213View::Onredpen) ON_COMMAND(ID_yeollw_pen, &CMy1900402213View::Onyeollwpen) ON_COMMAND(ID_blue_pen, &CMy1900402213View::Onbluepen) ON_COMMAND(ID_black_pen, &CMy1900402213View::Onblackpen) ON_COMMAND(ID_green_pen, &CMy1900402213View::Ongreenpen) ON_COMMAND(ID_full_line, &CMy1900402213View::Onfullline) ON_COMMAND(ID_ima_line, &CMy1900402213View::Onimaline) END_MESSAGE_MAP() // CMy1900402213View 构造/析构 CMy1900402213View::CMy1900402213View() noexcept { // TODO: 在此处添加构造代码 m_CurPline = NULL; type = 0; go = false; start = false; Node* FST = new Node; FST->num = 1; m_line_list.InputFront(FST); what_RGB = 0; what_line = 1; } CMy1900402213View::~CMy1900402213View() { } BOOL CMy1900402213View::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); } // CMy1900402213View 绘图 void CMy1900402213View::OnDraw(CDC* pDC) { CMy1900402213Doc* pDoc = GetDocument(); ASSERT_VALID(pDoc); // TODO: 在此处为本机数据添加绘制代码 int i,j; j = m_line_list.Length(); if (m_line_list.IsEmpty() == false) { for(i=0;i<j+1;i++) { CDC* pDC = GetDC(); pDC->SelectStockObject(NULL_BRUSH); Node* paint; paint=m_line_list.Locate(i); if (paint->now_line == 1) { if (paint->now_RGB == 1) { CPen pen(PS_SOLID, 1, RGB(255, 0, 0)); CPen* pOldPen = (CPen*)pDC->SelectObject(&pen); if (paint->now_type == 1) { ((CLine*)paint->data)->Draw(pDC); } if (paint->now_type == 2) { ((CQuare*)paint->data)->Draw(pDC); } if (paint->now_type == 3) { ((CCircle*)paint->data)->Draw(pDC); } } if (paint->now_RGB == 2) { CPen pen(PS_SOLID, 1, RGB(0, 255, 0)); CPen* pOldPen = (CPen*)pDC->SelectObject(&pen); if (paint->now_type == 1) { ((CLine*)paint->data)->Draw(pDC); } if (paint->now_type == 2) { ((CQuare*)paint->data)->Draw(pDC); } if (paint->now_type == 3) { ((CCircle*)paint->data)->Draw(pDC); } } if (paint->now_RGB == 3) { CPen pen(PS_SOLID, 1, RGB(0, 0, 255)); CPen* pOldPen = (CPen*)pDC->SelectObject(&pen); if (paint->now_type == 1) { ((CLine*)paint->data)->Draw(pDC); } if (paint->now_type == 2) { ((CQuare*)paint->data)->Draw(pDC); } if (paint->now_type == 3) { ((CCircle*)paint->data)->Draw(pDC); } } if (paint->now_RGB == 0) { if (paint->now_type == 1) { ((CLine*)paint->data)->Draw(pDC); } if (paint->now_type == 2) { ((CQuare*)paint->data)->Draw(pDC); } if (paint->now_type == 3) { ((CCircle*)paint->data)->Draw(pDC); } } } if (paint->now_line == 0) { if (paint->now_RGB == 1) { CPen pen(PS_DOT, 1, RGB(255, 0, 0)); CPen* pOldPen = (CPen*)pDC->SelectObject(&pen); if (paint->now_type == 1) { ((CLine*)paint->data)->Draw(pDC); } if (paint->now_type == 2) { ((CQuare*)paint->data)->Draw(pDC); } if (paint->now_type == 3) { ((CCircle*)paint->data)->Draw(pDC); } } if (paint->now_RGB == 2) { CPen pen(PS_DOT, 1, RGB(0, 255, 0)); CPen* pOldPen = (CPen*)pDC->SelectObject(&pen); if (paint->now_type == 1) { ((CLine*)paint->data)->Draw(pDC); } if (paint->now_type == 2) { ((CQuare*)paint->data)->Draw(pDC); } if (paint->now_type == 3) { ((CCircle*)paint->data)->Draw(pDC); } } if (paint->now_RGB == 3) { CPen pen(PS_DOT, 1, RGB(0, 0, 255)); CPen* pOldPen = (CPen*)pDC->SelectObject(&pen); if (paint->now_type == 1) { ((CLine*)paint->data)->Draw(pDC); } if (paint->now_type == 2) { ((CQuare*)paint->data)->Draw(pDC); } if (paint->now_type == 3) { ((CCircle*)paint->data)->Draw(pDC); } } if (paint->now_RGB == 0) { CPen pen(PS_DOT, 1, RGB(0, 0, 0)); CPen* pOldPen = (CPen*)pDC->SelectObject(&pen); if (paint->now_type == 1) { ((CLine*)paint->data)->Draw(pDC); } if (paint->now_type == 2) { ((CQuare*)paint->data)->Draw(pDC); } if (paint->now_type == 3) { ((CCircle*)paint->data)->Draw(pDC); } } } ReleaseDC(pDC); } } } // CMy1900402213View 打印 void CMy1900402213View::OnFilePrintPreview() { #ifndef SHARED_HANDLERS AFXPrintPreview(this); #endif } BOOL CMy1900402213View::OnPreparePrinting(CPrintInfo* pInfo) { // 默认准备 return DoPreparePrinting(pInfo); } void CMy1900402213View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: 添加额外的打印前进行的初始化过程 } void CMy1900402213View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: 添加打印后进行的清理过程 } void CMy1900402213View::OnRButtonUp(UINT /* nFlags */, CPoint point) { ClientToScreen(&point); OnContextMenu(this, point); } void CMy1900402213View::OnContextMenu(CWnd* /* pWnd */, CPoint point) { #ifndef SHARED_HANDLERS theApp.GetContextMenuManager()->ShowPopupMenu(IDR_POPUP_EDIT, point.x, point.y, this, TRUE); #endif } // CMy1900402213View 诊断 #ifdef _DEBUG void CMy1900402213View::AssertValid() const { CView::AssertValid(); } void CMy1900402213View::Dump(CDumpContext& dc) const { CView::Dump(dc); } CMy1900402213Doc* CMy1900402213View::GetDocument() const // 非调试版本是内联的 { ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CMy1900402213Doc))); return (CMy1900402213Doc*)m_pDocument; } #endif //_DEBUG // CMy1900402213View 消息处理程序 void CMy1900402213View::OnLine() { type = 1; } void CMy1900402213View::OnSquare() { type = 2; } void CMy1900402213View::OnCircle() { type = 3; } void CMy1900402213View::OnLButtonDown(UINT nFlags, CPoint point) { switch (type) { case 1: { m_pline = new CLine; m_pline->Set_start_point(point); }break; case 2: { m_psquare = new CQuare; m_psquare->Set_first_point(point); }break; case 3: { m_pcircle = new CCircle; m_pcircle->Set_CenPoint(point); } break; } start = true; CView::OnLButtonDown(nFlags, point); } void CMy1900402213View::OnLButtonUp(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 (start==true) { Node* repaint = new Node; switch (what_line) { case 1: repaint->now_line = 1; break; ca