// CohenDlg.cpp: 实现文件
//
#include "stdafx.h"
#include "Cohen.h"
#include "CohenDlg.h"
#include "afxdialogex.h"
#include "Draw_Line.h"
#include "Draw_Rectangle.h"
#define LEFT 1//编码0001
#define RIGHT 2//编码0010
#define BOTTOM 4//编码0100
#define TOP 8//编码1000
#define ROUND(d) int(floor(d+0.5))
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
// 用于应用程序“关于”菜单项的 CAboutDlg 对话框
class CAboutDlg : public CDialogEx
{
public:
CAboutDlg();
// 对话框数据
#ifdef AFX_DESIGN_TIME
enum { IDD = IDD_ABOUTBOX };
#endif
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV 支持
// 实现
protected:
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg() : CDialogEx(IDD_ABOUTBOX)
{
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)
END_MESSAGE_MAP()
// CCohenDlg 对话框
CCohenDlg::CCohenDlg(CWnd* pParent /*=nullptr*/)
: CDialogEx(IDD_COHEN_DIALOG, pParent)
{
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CCohenDlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
}
BEGIN_MESSAGE_MAP(CCohenDlg, CDialogEx)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON3, &CCohenDlg::OnBnClickedButton3)
ON_BN_CLICKED(IDC_BUTTON1, &CCohenDlg::OnBnClickedButton1)
ON_BN_CLICKED(IDC_BUTTON2, &CCohenDlg::OnBnClickedButton2)
END_MESSAGE_MAP()
// CCohenDlg 消息处理程序
BOOL CCohenDlg::OnInitDialog()
{
CDialogEx::OnInitDialog();
// 将“关于...”菜单项添加到系统菜单中。
// IDM_ABOUTBOX 必须在系统命令范围内。
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != nullptr)
{
BOOL bNameValid;
CString strAboutMenu;
bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);
ASSERT(bNameValid);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}
// 设置此对话框的图标。 当应用程序主窗口不是对话框时,框架将自动
// 执行此操作
SetIcon(m_hIcon, TRUE); // 设置大图标
SetIcon(m_hIcon, FALSE); // 设置小图标
// TODO: 在此添加额外的初始化代码
return TRUE; // 除非将焦点设置到控件,否则返回 TRUE
}
void CCohenDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialogEx::OnSysCommand(nID, lParam);
}
}
// 如果向对话框添加最小化按钮,则需要下面的代码
// 来绘制该图标。 对于使用文档/视图模型的 MFC 应用程序,
// 这将由框架自动完成。
void CCohenDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // 用于绘制的设备上下文
SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);
// 使图标在工作区矩形中居中
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// 绘制图标
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialogEx::OnPaint();
}
}
//当用户拖动最小化窗口时系统调用此函数取得光标
//显示。
HCURSOR CCohenDlg::OnQueryDragIcon()
{
return static_cast<HCURSOR>(m_hIcon);
}
//画线
void CCohenDlg::OnBnClickedButton1()
{
UpdateData(true);
Draw_Line dl = new Draw_Line();
dl.DoModal();
x0 = dl.x0;
y0 = dl.y0;
x1 = dl.x1;
y1 = dl.y1;
CDC * cDC = CWnd::GetDC();
CPen MyPen, *OldPen;
MyPen.CreatePen(PS_SOLID, 1, RGB(0, 0, 255));
OldPen = cDC->SelectObject(&MyPen);
cDC->MoveTo(dl.x0, dl.y0);
cDC->LineTo(dl.x1, dl.y1);
cDC->SelectObject(OldPen);
MyPen.DeleteObject();
}
//画矩形
void CCohenDlg::OnBnClickedButton2()
{
Draw_Rectangle dr = new Draw_Rectangle();
dr.DoModal();
// 指定矩形框左上角的x坐标
left = dr.left;
// 指定矩形框左上角的y坐标
top = dr.top;
// 指定矩形框右下角的x坐标
right = dr.right;
// 指定矩形框右下角的y坐标
bottom = dr.bottom;
CClientDC dc(this);//选定当前画图环境
CPen pen(PS_SOLID, 1, RGB(234, 23, 53));
dc.SelectObject(&pen);//将pen放到dc上
CBrush *pBrush = CBrush::FromHandle((HBRUSH)
�