下载后可任意编辑洛阳理工学院实验报告系别计算机与信息工程系班级B120531学号B12053113姓名课程名称计算机图形学实验日期2024-11-7实验名称多边形填充算法编程成绩实验目的： 熟悉多边形填充算法，掌握 MFC 图形编程的基本方法和调试技巧。实验条件： 计算机；VS2024；OpenGL实验内容： 1．使用 MFC 技术实现多边形有效边表填充算法，参考界面效果如下：// ChildView.cpp : CChildView 类的实现#include "stdafx.h"#include "demo.h"#include "ChildView.h"#include #define Round(d) int(floor(d+0.5))//四舍五入宏定义#ifdef _DEBUG#define new DEBUG_NEW#endif// CChildViewCChildView::CChildView(){}CChildView::~CChildView(){}BEGIN_MESSAGE_MAP(CChildView, CWnd)下载后可任意编辑ON_WM_PAINT()ON_WM_CREATE()ON_COMMAND(ID_DRAW_PIC, &CChildView::OnDrawPic)END_MESSAGE_MAP()// CChildView 消息处理程序BOOL CChildView::PreCreateWindow(CREATESTRUCT& cs) {if (!CWnd::PreCreateWindow(cs))return FALSE;cs.dwExStyle |= WS_EX_CLIENTEDGE;cs.style &= ~WS_BORDER;cs.lpszClass = AfxRegisterWndClass(CS_HREDRAW|CS_VREDRAW|CS_DBLCLKS, ::LoadCursor(NULL, IDC_ARROW), reinterpret_cast(COLOR_WINDOW+1), NULL);return TRUE;}void CChildView::OnPaint() {CPaintDC dc(this); // 用于绘制的设备上下文// TODO: 在此处添加消息处理程序代码DrawGraph();// 不要为绘制消息而调用CWnd::OnPaint()}void CChildView::ReadPoint()//点表{P[0].x = 50; P[0].y = 100;P[1].x = -150;P[1].y = 300;P[2].x = -250;P[2].y = 50;P[3].x = -150;P[3].y = -250;P[4].x = 0; P[4].y = -50;P[5].x = 100; P[5].y = -250;P[6].x = 300; P[6].y = 150;}void CChildView::DrawPolygon(CDC *pDC)//绘制多边形边界{CLine *line = new CLine;CP2 t;for(int i = 0; i < 7; i++)//绘制多边形{if(i == 0){line->MoveTo(pDC, P[i]);t = P[i];}else{line->LineTo(pDC, P[i]);}}line->LineTo(pDC, t);//闭合多边形delete line;}void CChildView::DrawGraph()//绘制图形{CRect rect; //定义客户区GetClientRect(&rect); //获得客户区的大小CDC *pDC = GetDC();//定义设备上下文指针 pDC->SetMapMode(MM_ANISOTROPIC);//自定...
