Create StraightLine

StraightLine/.vscode/launch.json

@@ -0,0 +1,16 @@
+{
+    "configurations": [
+        {
+            "name": "Visual Studio: Start Debugging",
+            "type": "cppvsdbg",
+            "request": "launch",
+            "program": "${workspaceFolder}\\x64\\Debug\\${workspaceFolderBasename}.exe",
+            "stopAtEntry": false,
+            "cwd": "${workspaceFolder}",
+            "console": "integratedTerminal",
+            "preLaunchTask": "Visual Studio: Build Solution",
+            "internalConsoleOptions": "neverOpen"
+        }
+    ],
+    "version": "0.2.0"
+}

StraightLine/.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "git.openRepositoryInParentFolders": "never"
+}

StraightLine/.vscode/tasks.json

@@ -0,0 +1,23 @@
+{
+    "tasks": [
+        {
+            "type": "shell",
+            "label": "Visual Studio: Build Solution",
+            "command": "msbuild",
+            "args": [
+                "${workspaceFolder}\\${workspaceFolderBasename}.sln",
+                "/p:Configuration=Debug",
+                "/p:Platform=x64"
+            ],
+            "options": {
+                "cwd": "${workspaceFolder}"
+            },
+            "problemMatcher": [
+                "$msCompile"
+            ],
+            "group": "build",
+            "detail": "Task generated by Debugger."
+        }
+    ],
+    "version": "2.0.0"
+}

StraightLine/StraightLine.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.11.35303.130
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "StraightLine", "StraightLine\StraightLine.vcxproj", "{FDAC309B-67DC-4CD1-A242-9E04425745D1}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{FDAC309B-67DC-4CD1-A242-9E04425745D1}.Debug|x64.ActiveCfg = Debug|x64
+		{FDAC309B-67DC-4CD1-A242-9E04425745D1}.Debug|x64.Build.0 = Debug|x64
+		{FDAC309B-67DC-4CD1-A242-9E04425745D1}.Debug|x86.ActiveCfg = Debug|Win32
+		{FDAC309B-67DC-4CD1-A242-9E04425745D1}.Debug|x86.Build.0 = Debug|Win32
+		{FDAC309B-67DC-4CD1-A242-9E04425745D1}.Release|x64.ActiveCfg = Release|x64
+		{FDAC309B-67DC-4CD1-A242-9E04425745D1}.Release|x64.Build.0 = Release|x64
+		{FDAC309B-67DC-4CD1-A242-9E04425745D1}.Release|x86.ActiveCfg = Release|Win32
+		{FDAC309B-67DC-4CD1-A242-9E04425745D1}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {6641C81C-B090-4E08-B982-7F2D4543AC69}
+	EndGlobalSection
+EndGlobal

StraightLine/StraightLine/MainFrm.cpp

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+
+// MainFrm.cpp : implementation of the CMainFrame class
+//
+
+#include "pch.h"
+#include "framework.h"
+#include "StraightLine.h"
+
+#include "MainFrm.h"
+
+#ifdef _DEBUG
+#define new DEBUG_NEW
+#endif
+
+// CMainFrame
+
+IMPLEMENT_DYNCREATE(CMainFrame, CFrameWnd)
+
+BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
+	ON_WM_CREATE()
+END_MESSAGE_MAP()
+
+static UINT indicators[] =
+{
+	ID_SEPARATOR,           // status line indicator
+	ID_INDICATOR_CAPS,
+	ID_INDICATOR_NUM,
+	ID_INDICATOR_SCRL,
+};
+
+// CMainFrame construction/destruction
+
+CMainFrame::CMainFrame() noexcept
+{
+	// TODO: add member initialization code here
+}
+
+CMainFrame::~CMainFrame()
+{
+}
+
+int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
+{
+	if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
+		return -1;
+
+	if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP | CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
+		!m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
+	{
+		TRACE0("Failed to create toolbar\n");
+		return -1;      // fail to create
+	}
+
+	if (!m_wndStatusBar.Create(this))
+	{
+		TRACE0("Failed to create status bar\n");
+		return -1;      // fail to create
+	}
+	m_wndStatusBar.SetIndicators(indicators, sizeof(indicators)/sizeof(UINT));
+
+	// TODO: Delete these three lines if you don't want the toolbar to be dockable
+	m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
+	EnableDocking(CBRS_ALIGN_ANY);
+	DockControlBar(&m_wndToolBar);
+
+
+	return 0;
+}
+
+BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
+{
+	if( !CFrameWnd::PreCreateWindow(cs) )
+		return FALSE;
+	// TODO: Modify the Window class or styles here by modifying
+	//  the CREATESTRUCT cs
+
+	return TRUE;
+}
+
+// CMainFrame diagnostics
+
+#ifdef _DEBUG
+void CMainFrame::AssertValid() const
+{
+	CFrameWnd::AssertValid();
+}
+
+void CMainFrame::Dump(CDumpContext& dc) const
+{
+	CFrameWnd::Dump(dc);
+}
+#endif //_DEBUG
+
+
+// CMainFrame message handlers
+

StraightLine/StraightLine/MainFrm.h

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+
+// MainFrm.h : interface of the CMainFrame class
+//
+
+#pragma once
+
+class CMainFrame : public CFrameWnd
+{
+	
+protected: // create from serialization only
+	CMainFrame() noexcept;
+	DECLARE_DYNCREATE(CMainFrame)
+
+// Attributes
+public:
+
+// Operations
+public:
+
+// Overrides
+public:
+	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
+
+// Implementation
+public:
+	virtual ~CMainFrame();
+#ifdef _DEBUG
+	virtual void AssertValid() const;
+	virtual void Dump(CDumpContext& dc) const;
+#endif
+
+protected:  // control bar embedded members
+	CToolBar          m_wndToolBar;
+	CStatusBar        m_wndStatusBar;
+
+// Generated message map functions
+protected:
+	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
+	DECLARE_MESSAGE_MAP()
+
+};
+
+

StraightLine/StraightLine/Resource.h

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+//{{NO_DEPENDENCIES}}
+// Microsoft Visual C++ generated include file.
+// Used by StraightLine.rc
+//
+#define IDD_ABOUTBOX				100
+#define IDP_OLE_INIT_FAILED			100
+#define IDR_MAINFRAME				128
+#define IDR_StraightLineTYPE				130
+
+// Next default values for new objects
+//
+#ifdef APSTUDIO_INVOKED
+#ifndef APSTUDIO_READONLY_SYMBOLS
+#define _APS_NEXT_RESOURCE_VALUE	310
+#define _APS_NEXT_CONTROL_VALUE		1000
+#define _APS_NEXT_SYMED_VALUE		310
+#define _APS_NEXT_COMMAND_VALUE		32771
+#endif
+#endif

StraightLine/StraightLine/StraightLine.cpp

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+
+// StraightLine.cpp : Defines the class behaviors for the application.
+//
+
+#include "pch.h"
+#include "framework.h"
+#include "afxwinappex.h"
+#include "afxdialogex.h"
+#include "StraightLine.h"
+#include "MainFrm.h"
+
+#include "StraightLineDoc.h"
+#include "StraightLineView.h"
+
+#ifdef _DEBUG
+#define new DEBUG_NEW
+#endif
+
+
+// CStraightLineApp
+
+BEGIN_MESSAGE_MAP(CStraightLineApp, CWinApp)
+	ON_COMMAND(ID_APP_ABOUT, &CStraightLineApp::OnAppAbout)
+	// Standard file based document commands
+	ON_COMMAND(ID_FILE_NEW, &CWinApp::OnFileNew)
+	ON_COMMAND(ID_FILE_OPEN, &CWinApp::OnFileOpen)
+	// Standard print setup command
+	ON_COMMAND(ID_FILE_PRINT_SETUP, &CWinApp::OnFilePrintSetup)
+END_MESSAGE_MAP()
+
+
+// CStraightLineApp construction
+
+CStraightLineApp::CStraightLineApp() noexcept
+{
+
+	// support Restart Manager
+	m_dwRestartManagerSupportFlags = AFX_RESTART_MANAGER_SUPPORT_ALL_ASPECTS;
+#ifdef _MANAGED
+	// If the application is built using Common Language Runtime support (/clr):
+	//     1) This additional setting is needed for Restart Manager support to work properly.
+	//     2) In your project, you must add a reference to System.Windows.Forms in order to build.
+	System::Windows::Forms::Application::SetUnhandledExceptionMode(System::Windows::Forms::UnhandledExceptionMode::ThrowException);
+#endif
+
+	// TODO: replace application ID string below with unique ID string; recommended
+	// format for string is CompanyName.ProductName.SubProduct.VersionInformation
+	SetAppID(_T("StraightLine.AppID.NoVersion"));
+
+	// TODO: add construction code here,
+	// Place all significant initialization in InitInstance
+}
+
+// The one and only CStraightLineApp object
+
+CStraightLineApp theApp;
+
+
+// CStraightLineApp initialization
+
+BOOL CStraightLineApp::InitInstance()
+{
+	// InitCommonControlsEx() is required on Windows XP if an application
+	// manifest specifies use of ComCtl32.dll version 6 or later to enable
+	// visual styles.  Otherwise, any window creation will fail.
+	INITCOMMONCONTROLSEX InitCtrls;
+	InitCtrls.dwSize = sizeof(InitCtrls);
+	// Set this to include all the common control classes you want to use
+	// in your application.
+	InitCtrls.dwICC = ICC_WIN95_CLASSES;
+	InitCommonControlsEx(&InitCtrls);
+
+	CWinApp::InitInstance();
+
+
+	// Initialize OLE libraries
+	if (!AfxOleInit())
+	{
+		AfxMessageBox(IDP_OLE_INIT_FAILED);
+		return FALSE;
+	}
+
+	AfxEnableControlContainer();
+
+	EnableTaskbarInteraction(FALSE);
+
+	// AfxInitRichEdit2() is required to use RichEdit control
+	// AfxInitRichEdit2();
+
+	// Standard initialization
+	// If you are not using these features and wish to reduce the size
+	// of your final executable, you should remove from the following
+	// the specific initialization routines you do not need
+	// Change the registry key under which our settings are stored
+	// TODO: You should modify this string to be something appropriate
+	// such as the name of your company or organization
+	SetRegistryKey(_T("Local AppWizard-Generated Applications"));
+	LoadStdProfileSettings(4);  // Load standard INI file options (including MRU)
+
+
+	// Register the application's document templates.  Document templates
+	//  serve as the connection between documents, frame windows and views
+	CSingleDocTemplate* pDocTemplate;
+	pDocTemplate = new CSingleDocTemplate(
+		IDR_MAINFRAME,
+		RUNTIME_CLASS(CStraightLineDoc),
+		RUNTIME_CLASS(CMainFrame),       // main SDI frame window
+		RUNTIME_CLASS(CStraightLineView));
+	if (!pDocTemplate)
+		return FALSE;
+	AddDocTemplate(pDocTemplate);
+
+
+	// Parse command line for standard shell commands, DDE, file open
+	CCommandLineInfo cmdInfo;
+	ParseCommandLine(cmdInfo);
+
+
+
+	// Dispatch commands specified on the command line.  Will return FALSE if
+	// app was launched with /RegServer, /Register, /Unregserver or /Unregister.
+	if (!ProcessShellCommand(cmdInfo))
+		return FALSE;
+
+	// The one and only window has been initialized, so show and update it
+	m_pMainWnd->ShowWindow(SW_SHOW);
+	m_pMainWnd->UpdateWindow();
+	return TRUE;
+}
+
+int CStraightLineApp::ExitInstance()
+{
+	//TODO: handle additional resources you may have added
+	AfxOleTerm(FALSE);
+
+	return CWinApp::ExitInstance();
+}
+
+// CStraightLineApp message handlers
+
+
+// CAboutDlg dialog used for App About
+
+class CAboutDlg : public CDialogEx
+{
+public:
+	CAboutDlg() noexcept;
+
+// Dialog Data
+#ifdef AFX_DESIGN_TIME
+	enum { IDD = IDD_ABOUTBOX };
+#endif
+
+protected:
+	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
+
+// Implementation
+protected:
+	DECLARE_MESSAGE_MAP()
+};
+
+CAboutDlg::CAboutDlg() noexcept : CDialogEx(IDD_ABOUTBOX)
+{
+}
+
+void CAboutDlg::DoDataExchange(CDataExchange* pDX)
+{
+	CDialogEx::DoDataExchange(pDX);
+}
+
+BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)
+END_MESSAGE_MAP()
+
+// App command to run the dialog
+void CStraightLineApp::OnAppAbout()
+{
+	CAboutDlg aboutDlg;
+	aboutDlg.DoModal();
+}
+
+// CStraightLineApp message handlers
+
+
+

StraightLine/StraightLine/StraightLine.h

@@ -0,0 +1,33 @@
+
+// StraightLine.h : main header file for the StraightLine application
+//
+#pragma once
+
+#ifndef __AFXWIN_H__
+	#error "include 'pch.h' before including this file for PCH"
+#endif
+
+#include "resource.h"       // main symbols
+
+
+// CStraightLineApp:
+// See StraightLine.cpp for the implementation of this class
+//
+
+class CStraightLineApp : public CWinApp
+{
+public:
+	CStraightLineApp() noexcept;
+
+
+// Overrides
+public:
+	virtual BOOL InitInstance();
+	virtual int ExitInstance();
+
+// Implementation
+	afx_msg void OnAppAbout();
+	DECLARE_MESSAGE_MAP()
+};
+
+extern CStraightLineApp theApp;

StraightLine/StraightLine/StraightLine.vcxproj

@@ -0,0 +1,221 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>17.0</VCProjectVersion>
+    <ProjectGuid>{FDAC309B-67DC-4CD1-A242-9E04425745D1}</ProjectGuid>
+    <Keyword>MFCProj</Keyword>
+    <RootNamespace>StraightLine</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+    <UseOfMfc>Dynamic</UseOfMfc>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+    <UseOfMfc>Dynamic</UseOfMfc>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+    <UseOfMfc>Dynamic</UseOfMfc>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+    <UseOfMfc>Dynamic</UseOfMfc>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <PrecompiledHeader>Use</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_WINDOWS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+    </Link>
+    <Midl>
+      <MkTypLibCompatible>false</MkTypLibCompatible>
+      <ValidateAllParameters>true</ValidateAllParameters>
+      <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </Midl>
+    <ResourceCompile>
+      <Culture>0x0409</Culture>
+      <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>$(IntDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>Use</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+    </Link>
+    <Midl>
+      <MkTypLibCompatible>false</MkTypLibCompatible>
+      <ValidateAllParameters>true</ValidateAllParameters>
+      <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </Midl>
+    <ResourceCompile>
+      <Culture>0x0409</Culture>
+      <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>$(IntDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>Use</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+    <Midl>
+      <MkTypLibCompatible>false</MkTypLibCompatible>
+      <ValidateAllParameters>true</ValidateAllParameters>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </Midl>
+    <ResourceCompile>
+      <Culture>0x0409</Culture>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>$(IntDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <PrecompiledHeader>Use</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_WINDOWS;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+    </Link>
+    <Midl>
+      <MkTypLibCompatible>false</MkTypLibCompatible>
+      <ValidateAllParameters>true</ValidateAllParameters>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </Midl>
+    <ResourceCompile>
+      <Culture>0x0409</Culture>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories>$(IntDir);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+    </ResourceCompile>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClInclude Include="framework.h" />
+    <ClInclude Include="MainFrm.h" />
+    <ClInclude Include="pch.h" />
+    <ClInclude Include="Resource.h" />
+    <ClInclude Include="StraightLine.h" />
+    <ClInclude Include="StraightLineDoc.h" />
+    <ClInclude Include="StraightLineView.h" />
+    <ClInclude Include="targetver.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="MainFrm.cpp" />
+    <ClCompile Include="pch.cpp">
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">Create</PrecompiledHeader>
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">Create</PrecompiledHeader>
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">Create</PrecompiledHeader>
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Create</PrecompiledHeader>
+    </ClCompile>
+    <ClCompile Include="StraightLine.cpp" />
+    <ClCompile Include="StraightLineDoc.cpp" />
+    <ClCompile Include="StraightLineView.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="StraightLine.rc" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="res\StraightLine.rc2" />
+  </ItemGroup>
+  <ItemGroup>
+    <Image Include="res\StraightLine.ico" />
+    <Image Include="res\StraightLineDoc.ico" />
+    <Image Include="res\Toolbar.bmp" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>

StraightLine/StraightLine/StraightLine.vcxproj.filters

@@ -0,0 +1,81 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Header Files">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
+    </Filter>
+    <Filter Include="Resource Files">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="StraightLine.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="framework.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="targetver.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="MainFrm.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="StraightLineDoc.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="StraightLineView.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="Resource.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="pch.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="StraightLine.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="MainFrm.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="StraightLineDoc.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="StraightLineView.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="pch.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="StraightLine.rc">
+      <Filter>Resource Files</Filter>
+    </ResourceCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="res\StraightLine.rc2">
+      <Filter>Resource Files</Filter>
+    </None>
+  </ItemGroup>
+  <ItemGroup>
+    <Image Include="res\StraightLineDoc.ico">
+      <Filter>Resource Files</Filter>
+    </Image>
+    <Image Include="res\StraightLine.ico">
+      <Filter>Resource Files</Filter>
+    </Image>
+    <Image Include="res\Toolbar.bmp">
+      <Filter>Resource Files</Filter>
+    </Image>
+  </ItemGroup>
+</Project>

StraightLine/StraightLine/StraightLine.vcxproj.user

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <RESOURCE_FILE>StraightLine.rc</RESOURCE_FILE>
+  </PropertyGroup>
+</Project>

StraightLine/StraightLine/StraightLineDoc.cpp

@@ -0,0 +1,138 @@
+
+// StraightLineDoc.cpp : implementation of the CStraightLineDoc class
+//
+
+#include "pch.h"
+#include "framework.h"
+// SHARED_HANDLERS can be defined in an ATL project implementing preview, thumbnail
+// and search filter handlers and allows sharing of document code with that project.
+#ifndef SHARED_HANDLERS
+#include "StraightLine.h"
+#endif
+
+#include "StraightLineDoc.h"
+
+#include <propkey.h>
+
+#ifdef _DEBUG
+#define new DEBUG_NEW
+#endif
+
+// CStraightLineDoc
+
+IMPLEMENT_DYNCREATE(CStraightLineDoc, CDocument)
+
+BEGIN_MESSAGE_MAP(CStraightLineDoc, CDocument)
+END_MESSAGE_MAP()
+
+
+// CStraightLineDoc construction/destruction
+
+CStraightLineDoc::CStraightLineDoc() noexcept
+{
+	// TODO: add one-time construction code here
+
+}
+
+CStraightLineDoc::~CStraightLineDoc()
+{
+}
+
+BOOL CStraightLineDoc::OnNewDocument()
+{
+	if (!CDocument::OnNewDocument())
+		return FALSE;
+
+	// TODO: add reinitialization code here
+	// (SDI documents will reuse this document)
+
+	return TRUE;
+}
+
+
+
+
+// CStraightLineDoc serialization
+
+void CStraightLineDoc::Serialize(CArchive& ar)
+{
+	if (ar.IsStoring())
+	{
+		// TODO: add storing code here
+	}
+	else
+	{
+		// TODO: add loading code here
+	}
+}
+
+#ifdef SHARED_HANDLERS
+
+// Support for thumbnails
+void CStraightLineDoc::OnDrawThumbnail(CDC& dc, LPRECT lprcBounds)
+{
+	// Modify this code to draw the document's data
+	dc.FillSolidRect(lprcBounds, RGB(255, 255, 255));
+
+	CString strText = _T("TODO: implement thumbnail drawing here");
+	LOGFONT lf;
+
+	CFont* pDefaultGUIFont = CFont::FromHandle((HFONT) GetStockObject(DEFAULT_GUI_FONT));
+	pDefaultGUIFont->GetLogFont(&lf);
+	lf.lfHeight = 36;
+
+	CFont fontDraw;
+	fontDraw.CreateFontIndirect(&lf);
+
+	CFont* pOldFont = dc.SelectObject(&fontDraw);
+	dc.DrawText(strText, lprcBounds, DT_CENTER | DT_WORDBREAK);
+	dc.SelectObject(pOldFont);
+}
+
+// Support for Search Handlers
+void CStraightLineDoc::InitializeSearchContent()
+{
+	CString strSearchContent;
+	// Set search contents from document's data.
+	// The content parts should be separated by ";"
+
+	// For example:  strSearchContent = _T("point;rectangle;circle;ole object;");
+	SetSearchContent(strSearchContent);
+}
+
+void CStraightLineDoc::SetSearchContent(const CString& value)
+{
+	if (value.IsEmpty())
+	{
+		RemoveChunk(PKEY_Search_Contents.fmtid, PKEY_Search_Contents.pid);
+	}
+	else
+	{
+		CMFCFilterChunkValueImpl *pChunk = nullptr;
+		ATLTRY(pChunk = new CMFCFilterChunkValueImpl);
+		if (pChunk != nullptr)
+		{
+			pChunk->SetTextValue(PKEY_Search_Contents, value, CHUNK_TEXT);
+			SetChunkValue(pChunk);
+		}
+	}
+}
+
+#endif // SHARED_HANDLERS
+
+// CStraightLineDoc diagnostics
+
+#ifdef _DEBUG
+void CStraightLineDoc::AssertValid() const
+{
+	CDocument::AssertValid();
+}
+
+void CStraightLineDoc::Dump(CDumpContext& dc) const
+{
+	CDocument::Dump(dc);
+}
+#endif //_DEBUG
+
+
+// CStraightLineDoc commands

StraightLine/StraightLine/StraightLineDoc.h

@@ -0,0 +1,48 @@
+
+// StraightLineDoc.h : interface of the CStraightLineDoc class
+//
+
+
+#pragma once
+
+
+class CStraightLineDoc : public CDocument
+{
+protected: // create from serialization only
+	CStraightLineDoc() noexcept;
+	DECLARE_DYNCREATE(CStraightLineDoc)
+
+// Attributes
+public:
+
+// Operations
+public:
+
+// Overrides
+public:
+	virtual BOOL OnNewDocument();
+	virtual void Serialize(CArchive& ar);
+#ifdef SHARED_HANDLERS
+	virtual void InitializeSearchContent();
+	virtual void OnDrawThumbnail(CDC& dc, LPRECT lprcBounds);
+#endif // SHARED_HANDLERS
+
+// Implementation
+public:
+	virtual ~CStraightLineDoc();
+#ifdef _DEBUG
+	virtual void AssertValid() const;
+	virtual void Dump(CDumpContext& dc) const;
+#endif
+
+protected:
+
+// Generated message map functions
+protected:
+	DECLARE_MESSAGE_MAP()
+
+#ifdef SHARED_HANDLERS
+	// Helper function that sets search content for a Search Handler
+	void SetSearchContent(const CString& value);
+#endif // SHARED_HANDLERS
+};

StraightLine/StraightLine/StraightLineView.cpp

@@ -0,0 +1,299 @@
+
+// StraightLineView.cpp : implementation of the CStraightLineView class
+//
+
+#include "pch.h"
+#include "framework.h"
+// SHARED_HANDLERS can be defined in an ATL project implementing preview, thumbnail
+// and search filter handlers and allows sharing of document code with that project.
+#ifndef SHARED_HANDLERS
+#include "StraightLine.h"
+#endif
+
+#include "StraightLineDoc.h"
+#include "StraightLineView.h"
+
+#ifdef _DEBUG
+#define new DEBUG_NEW
+#endif
+
+// CStraightLineView
+
+IMPLEMENT_DYNCREATE(CStraightLineView, CView)
+
+BEGIN_MESSAGE_MAP(CStraightLineView, CView)
+// 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_WM_LBUTTONDOWN()
+ON_WM_MOUSEMOVE()
+ON_WM_LBUTTONUP()
+END_MESSAGE_MAP()
+
+// CStraightLineView construction/destruction
+
+CStraightLineView::CStraightLineView() noexcept {
+	// TODO: add construction code here
+	m_bDraw = FALSE;
+}
+
+CStraightLineView::~CStraightLineView() {
+}
+
+BOOL CStraightLineView::PreCreateWindow(CREATESTRUCT &cs) {
+	// TODO: Modify the Window class or styles here by modifying
+	//  the CREATESTRUCT cs
+
+	return CView::PreCreateWindow(cs);
+}
+
+// CStraightLineView drawing
+
+void CStraightLineView::OnDraw(CDC *pDC) {
+	CStraightLineDoc *pDoc = GetDocument();
+	ASSERT_VALID(pDoc);
+	if (!pDoc)
+		return;
+
+	// 获取客户端矩形区域
+	GetClientRect(&m_rect);
+
+	// 创建内存设备上下文和兼容位图
+	CDC memDC;
+	memDC.CreateCompatibleDC(pDC);
+	CBitmap NewBitmap, *pOldBitmap;
+	NewBitmap.CreateCompatibleBitmap(pDC, m_rect.Width(), m_rect.Height());
+	pOldBitmap = memDC.SelectObject(&NewBitmap);
+
+	// 设置内存设备上下文的映射模式和视口
+	memDC.SetMapMode(MM_ANISOTROPIC);
+	memDC.SetWindowExt(m_rect.Width(), m_rect.Height());
+	memDC.SetViewportExt(m_rect.Width(), -m_rect.Height());
+	memDC.SetViewportOrg(m_rect.Width() / 2, m_rect.Height() / 2);
+	m_rect.OffsetRect(-m_rect.Width() / 2, -m_rect.Height() / 2);
+
+	// 填充背景颜色并绘制坐标轴
+	memDC.FillSolidRect(&m_rect, RGB(255, 255, 255));
+	memDC.MoveTo(-m_rect.Width() / 2, 0);
+	memDC.LineTo(m_rect.Width() / 2, 0);
+	memDC.LineTo(m_rect.Width() / 2 - 10, -5);
+	memDC.MoveTo(m_rect.Width() / 2, 0);
+	memDC.LineTo(m_rect.Width() / 2 - 10, 5);
+	memDC.MoveTo(0, -m_rect.Height() / 2);
+	memDC.LineTo(0, m_rect.Height() / 2);
+	memDC.LineTo(-5, m_rect.Height() / 2 - 10);
+	memDC.MoveTo(0, m_rect.Height() / 2);
+	memDC.LineTo(5, m_rect.Height() / 2 - 10);
+
+	// 绘制坐标轴标签
+	memDC.TextOutW(10, 25, _T("O"));
+	memDC.TextOutW(m_rect.Width() / 2 - 10, 25, _T("x"));
+	memDC.TextOutW(10, m_rect.Height() / 2, _T("y"));
+
+	// 调用Bresenham算法绘制直线
+	BresenhamLine(&memDC);
+
+	// 再次获取客户端矩形区域并设置设备上下文的映射模式和视口
+	pDC->SetMapMode(MM_ANISOTROPIC);
+	pDC->SetWindowExt(m_rect.Width(), m_rect.Height());
+	pDC->SetViewportExt(m_rect.Width(), -m_rect.Height());
+	pDC->SetViewportOrg(m_rect.Width() / 2, m_rect.Height() / 2);
+
+	// 将内存设备上下文中的位图拷贝到设备上下文中
+	pDC->BitBlt(-m_rect.Width() / 2, -m_rect.Height() / 2, m_rect.Width(), m_rect.Height(), &memDC, -m_rect.Width() / 2, -m_rect.Height() / 2, SRCCOPY);
+
+	// 恢复旧位图并删除对象
+	memDC.SelectObject(pOldBitmap);
+	NewBitmap.DeleteObject();
+	memDC.DeleteDC();
+}
+
+// CStraightLineView printing
+
+BOOL CStraightLineView::OnPreparePrinting(CPrintInfo *pInfo) {
+	// default preparation
+	return DoPreparePrinting(pInfo);
+}
+
+void CStraightLineView::OnBeginPrinting(CDC * /*pDC*/, CPrintInfo * /*pInfo*/) {
+	// TODO: add extra initialization before printing
+}
+
+void CStraightLineView::OnEndPrinting(CDC * /*pDC*/, CPrintInfo * /*pInfo*/) {
+	// TODO: add cleanup after printing
+}
+
+// CStraightLineView diagnostics
+
+#ifdef _DEBUG
+void CStraightLineView::AssertValid() const {
+	CView::AssertValid();
+}
+
+void CStraightLineView::Dump(CDumpContext &dc) const {
+	CView::Dump(dc);
+}
+
+CStraightLineDoc *CStraightLineView::GetDocument() const // non-debug version is inline
+{
+	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CStraightLineDoc)));
+	return (CStraightLineDoc *)m_pDocument;
+}
+#endif //_DEBUG
+
+// CStraightLineView message handlers
+
+void CStraightLineView::BresenhamLine(CDC *pDC) {
+	// 定义起始颜色和结束颜色
+	COLORREF startColor = RGB(0, 82, 217);
+	COLORREF endColor = RGB(236, 189, 101);
+
+	// 获取起点和终点坐标
+	CPoint ptOrigin = m_ptOrigin, ptEnd = m_ptEnd, ptTemp;
+	LONG dx = ptEnd.x - ptOrigin.x, dy = ptEnd.y - ptOrigin.y;
+	int totalSteps = max(abs(dx), abs(dy));
+
+	// 定义颜色插值函数
+	auto interpolateColor = [](COLORREF start, COLORREF end, double factor) -> COLORREF {
+		BYTE r = static_cast<BYTE>(GetRValue(start) + factor * (GetRValue(end) - GetRValue(start)));
+		BYTE g = static_cast<BYTE>(GetGValue(start) + factor * (GetGValue(end) - GetGValue(start)));
+		BYTE b = static_cast<BYTE>(GetBValue(start) + factor * (GetBValue(end) - GetBValue(start)));
+		return RGB(r, g, b);
+	};
+
+	// 处理垂直线的情况
+	if (ptOrigin.x == ptEnd.x) {
+		if (ptOrigin.y > ptEnd.y) {
+			ptTemp = ptOrigin;
+			ptOrigin = ptEnd;
+			ptEnd = ptTemp;
+		}
+		for (int y = ptOrigin.y; y <= ptEnd.y; y++) {
+			double factor = (double)(y - ptOrigin.y) / totalSteps;
+			COLORREF color = interpolateColor(startColor, endColor, factor);
+			pDC->SetPixel(ptOrigin.x, y, color);
+		}
+	}
+	else {
+		// 计算斜率
+		DOUBLE k = (DOUBLE)dy / dx;
+		DOUBLE d;
+
+		// 处理斜率在[0, 1]之间的情况
+		if (k >= 0 && k <= 1) {
+			d = 0.5 - k;
+			if (ptOrigin.x > ptEnd.x) {
+				ptTemp = ptOrigin;
+				ptOrigin = ptEnd;
+				ptEnd = ptTemp;
+			}
+			for (ptTemp = ptOrigin; ptTemp.x <= ptEnd.x; ptTemp.x++) {
+				double factor = (double)(ptTemp.x - ptOrigin.x) / totalSteps;
+				COLORREF color = interpolateColor(startColor, endColor, factor);
+				pDC->SetPixel(ptTemp.x, ptTemp.y, color);
+				if (d < 0) {
+					d += 1 - k;
+					ptTemp.y++;
+				}
+				else {
+					d -= k;
+				}
+			}
+		}
+		// 处理斜率大于1的情况
+		else if (k > 1) {
+			d = 0.5 - 1 / k;
+			if (ptOrigin.y > ptEnd.y) {
+				ptTemp = ptOrigin;
+				ptOrigin = ptEnd;
+				ptEnd = ptTemp;
+			}
+			for (ptTemp = ptOrigin; ptTemp.y <= ptEnd.y; ptTemp.y++) {
+				double factor = (double)(ptTemp.y - ptOrigin.y) / totalSteps;
+				COLORREF color = interpolateColor(startColor, endColor, factor);
+				pDC->SetPixel(ptTemp.x, ptTemp.y, color);
+				if (d < 0) {
+					d += 1 - 1 / k;
+					ptTemp.x++;
+				}
+				else {
+					d -= 1 / k;
+				}
+			}
+		}
+		// 处理斜率在[-1, 0]之间的情况
+		else if (k < 0 && k >= -1) {
+			d = 0.5 + k;
+			if (ptOrigin.x > ptEnd.x) {
+				ptTemp = ptOrigin;
+				ptOrigin = ptEnd;
+				ptEnd = ptTemp;
+			}
+			for (ptTemp = ptOrigin; ptTemp.x <= ptEnd.x; ptTemp.x++) {
+				double factor = (double)(ptTemp.x - ptOrigin.x) / totalSteps;
+				COLORREF color = interpolateColor(startColor, endColor, factor);
+				pDC->SetPixel(ptTemp.x, ptTemp.y, color);
+				if (d < 0) {
+					d += 1 + k;
+					ptTemp.y--;
+				}
+				else {
+					d += k;
+				}
+			}
+		}
+		// 处理斜率小于-1的情况
+		else {
+			d = 0.5 + 1 / k;
+			if (ptOrigin.y < ptEnd.y) {
+				ptTemp = ptOrigin;
+				ptOrigin = ptEnd;
+				ptEnd = ptTemp;
+			}
+			for (ptTemp = ptOrigin; ptTemp.y >= ptEnd.y; ptTemp.y--) {
+				double factor = (double)(ptOrigin.y - ptTemp.y) / totalSteps;
+				COLORREF color = interpolateColor(startColor, endColor, factor);
+				pDC->SetPixel(ptTemp.x, ptTemp.y, color);
+				if (d < 0) {
+					d += 1 + 1 / k;
+					ptTemp.x++;
+				}
+				else {
+					d += 1 / k;
+				}
+			}
+		}
+	}
+}
+
+void CStraightLineView::OnLButtonDown(UINT nFlags, CPoint point) {
+	// 记录起点坐标并转换为视图坐标系
+	m_ptOrigin = CPoint(point.x - m_rect.Width() / 2, m_rect.Height() / 2 - point.y);
+	// 设置绘制标志为真
+	m_bDraw = TRUE;
+
+	CView::OnLButtonDown(nFlags, point);
+}
+
+void CStraightLineView::OnMouseMove(UINT nFlags, CPoint point) {
+	// 如果正在绘制，更新终点坐标并转换为视图坐标系
+	if (m_bDraw) {
+		m_ptEnd = CPoint(point.x - m_rect.Width() / 2, m_rect.Height() / 2 - point.y);
+		// 使视图无效以触发重绘
+		Invalidate(FALSE);
+	}
+
+	CView::OnMouseMove(nFlags, point);
+}
+
+void CStraightLineView::OnLButtonUp(UINT nFlags, CPoint point) {
+	// 设置绘制标志为假
+	m_bDraw = FALSE;
+	// 更新终点坐标并转换为视图坐标系
+	m_ptEnd = CPoint(point.x - m_rect.Width() / 2, m_rect.Height() / 2 - point.y);
+	// 使视图无效以触发重绘
+	Invalidate(FALSE);
+
+	CView::OnLButtonUp(nFlags, point);
+}

StraightLine/StraightLine/StraightLineView.h

@@ -0,0 +1,54 @@
+
+// StraightLineView.h : interface of the CStraightLineView class
+//
+
+#pragma once
+
+class CStraightLineView : public CView {
+protected: // create from serialization only
+	CStraightLineView() noexcept;
+	DECLARE_DYNCREATE(CStraightLineView)
+
+	// Attributes
+public:
+	CStraightLineDoc *GetDocument() const;
+
+	// Operations
+public:
+	// Overrides
+public:
+	virtual void OnDraw(CDC *pDC); // overridden to draw this view
+	virtual BOOL PreCreateWindow(CREATESTRUCT &cs);
+
+protected:
+	virtual BOOL OnPreparePrinting(CPrintInfo *pInfo);
+	virtual void OnBeginPrinting(CDC *pDC, CPrintInfo *pInfo);
+	virtual void OnEndPrinting(CDC *pDC, CPrintInfo *pInfo);
+
+	// Implementation
+public:
+	virtual ~CStraightLineView();
+#ifdef _DEBUG
+	virtual void AssertValid() const;
+	virtual void Dump(CDumpContext &dc) const;
+#endif
+
+protected:
+	// Generated message map functions
+protected:
+	DECLARE_MESSAGE_MAP()
+private:
+	void BresenhamLine(CDC *pDC);
+	CRect m_rect;
+	CPoint m_ptOrigin, m_ptEnd;
+	BOOL m_bDraw;
+
+public:
+	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
+	afx_msg void OnMouseMove(UINT nFlags, CPoint point);
+	afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
+};
+
+#ifndef _DEBUG // debug version in StraightLineView.cpp
+inline CStraightLineDoc *CStraightLineView::GetDocument() const { return reinterpret_cast<CStraightLineDoc *>(m_pDocument); }
+#endif

StraightLine/StraightLine/framework.h

@@ -0,0 +1,49 @@
+#pragma once
+
+#ifndef VC_EXTRALEAN
+#define VC_EXTRALEAN            // Exclude rarely-used stuff from Windows headers
+#endif
+
+#include "targetver.h"
+
+#define _ATL_CSTRING_EXPLICIT_CONSTRUCTORS      // some CString constructors will be explicit
+
+// turns off MFC's hiding of some common and often safely ignored warning messages
+#define _AFX_ALL_WARNINGS
+
+#include <afxwin.h>         // MFC core and standard components
+#include <afxext.h>         // MFC extensions
+
+
+#include <afxdisp.h>        // MFC Automation classes
+
+
+
+#ifndef _AFX_NO_OLE_SUPPORT
+#include <afxdtctl.h>           // MFC support for Internet Explorer 4 Common Controls
+#endif
+#ifndef _AFX_NO_AFXCMN_SUPPORT
+#include <afxcmn.h>             // MFC support for Windows Common Controls
+#endif // _AFX_NO_AFXCMN_SUPPORT
+
+#include <afxcontrolbars.h>     // MFC support for ribbons and control bars
+
+
+
+
+
+
+
+
+
+#ifdef _UNICODE
+#if defined _M_IX86
+#pragma comment(linker,"/manifestdependency:\"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='x86' publicKeyToken='6595b64144ccf1df' language='*'\"")
+#elif defined _M_X64
+#pragma comment(linker,"/manifestdependency:\"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='amd64' publicKeyToken='6595b64144ccf1df' language='*'\"")
+#else
+#pragma comment(linker,"/manifestdependency:\"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
+#endif
+#endif
+
+

StraightLine/StraightLine/pch.cpp

@@ -0,0 +1,5 @@
+// pch.cpp: source file corresponding to the pre-compiled header
+
+#include "pch.h"
+
+// When you are using pre-compiled headers, this source file is necessary for compilation to succeed.

StraightLine/StraightLine/pch.h

@@ -0,0 +1,13 @@
+// pch.h: This is a precompiled header file.
+// Files listed below are compiled only once, improving build performance for future builds.
+// This also affects IntelliSense performance, including code completion and many code browsing features.
+// However, files listed here are ALL re-compiled if any one of them is updated between builds.
+// Do not add files here that you will be updating frequently as this negates the performance advantage.
+
+#ifndef PCH_H
+#define PCH_H
+
+// add headers that you want to pre-compile here
+#include "framework.h"
+
+#endif //PCH_H

StraightLine/StraightLine/targetver.h

@@ -0,0 +1,8 @@
+#pragma once
+
+// Including SDKDDKVer.h defines the highest available Windows platform.
+
+// If you wish to build your application for a previous Windows platform, include WinSDKVer.h and
+// set the _WIN32_WINNT macro to the platform you wish to support before including SDKDDKVer.h.
+
+#include <SDKDDKVer.h>