CAD

开发平台：
Visual C++

MainFrame.cpp：源码内容
							// MainFrame.cpp: implementation of the CMainFrame class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "MainFrame.h"
#include "resource.h"
#include "WinApp.h"
#include "Shape.h"
extern CWinApp g_theApp;
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CMainFrame::CMainFrame()
{
}
CMainFrame::~CMainFrame()
{
}
LRESULT CMainFrame::WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	CMainFrame   *pMainWnd     = &(g_theApp.m_MainFrame);
	CManagerTool *pManagerTool = &(g_theApp.m_ManagerTool);
	switch (message) 
	{
		case WM_COMMAND:
			{
				pMainWnd->OnCommand(hWnd,message,wParam,lParam);				
			}
			break;
		case WM_LBUTTONUP:
		case WM_LBUTTONDOWN:
		case WM_RBUTTONDOWN:
		case WM_MOUSEMOVE:
		case WM_NCMOUSEMOVE:
		case WM_SETCURSOR:
			{		
				//动态绘制
				if(pManagerTool != NULL && pManagerTool->m_pCurrentTool != NULL)
				{					
					pManagerTool->DrawObject(hWnd,message,wParam,lParam);
				}
				//镜像
				else if(pManagerTool->MirrorFlag == TRUE)
				{
					pManagerTool->MirrorFlag = pManagerTool->MirrorObject(hWnd,message,wParam,lParam);
					if (pManagerTool->MirrorFlag == FALSE)
						InvalidateRect(hWnd,NULL,TRUE);
				}
				//编辑图形
				else
				{				
					BOOL isModify = FALSE;				
					isModify = pManagerTool->EditObject(hWnd,message,wParam,lParam);
					if (isModify == TRUE) InvalidateRect(hWnd,NULL,TRUE);
				}
			}
			break;	
		case WM_PAINT:
			{
				pMainWnd->onPaint(hWnd,message,wParam,lParam);				
			}
			break;
		case WM_DESTROY:
			PostQuitMessage(0);
			break;
		default:
			return DefWindowProc(hWnd, message, wParam, lParam);
   }
   return 0;
}
LRESULT CMainFrame::About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
	switch (message)
	{
		case WM_INITDIALOG:
				return TRUE;
		case WM_COMMAND:
			if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) 
			{
				EndDialog(hDlg, LOWORD(wParam));
				return TRUE;
			}
			break;
	}
    return FALSE;
}
//功能：响应菜单消息
void CMainFrame::OnCommand(HWND hWnd,UINT message, WPARAM wParam, LPARAM lParam)
{
	int wmId    = LOWORD(wParam); 
	int wmEvent = HIWORD(wParam); 
	CManagerTool *pManagerTool = &(g_theApp.m_ManagerTool);
	CDataBase    *pDataBase    = &(g_theApp.m_DataBase);
	 
	switch (wmId)
	{
	case ID_DRAW_LINE:
		{	
			pManagerTool->SetCurActiveTool(ID_DRAW_LINE);
		}
		break;
	case ID_DRAW_RECTANGLE:
		{	
			pManagerTool->SetCurActiveTool(ID_DRAW_RECTANGLE);
		}
		break;
	case ID_DRAW_C2PT:
		{	
			pManagerTool->SetCurActiveTool(ID_DRAW_C2PT);
		}
		break;
	case OVER_CUR_TOOL:
		{
			//取消鼠标绘图状态
			if(pManagerTool->m_pCurrentTool != NULL)
				delete pManagerTool->m_pCurrentTool;
			pManagerTool->m_pCurrentTool = NULL;
		}
		break;
	case ID_COLOR_RED:
		{	
			pDataBase->m_Shape.crColor = RGB(255,0,0);
		}
		break;	
	case ID_COLOR_GREEN:
		{	
			pDataBase->m_Shape.crColor = RGB(0,255,0);
		}
		break;
	case ID_COLOR_BLUE:
		{	
			pDataBase->m_Shape.crColor = RGB(0,0,255);
		}
		break;
	case ID_WIDTH_1:
		{	
			pDataBase->m_Shape.nWidth = 1;
		}
		break;
	case ID_WIDTH_4:
		{	
			pDataBase->m_Shape.nWidth = 4;
		}
		break;
	case ID_WIDTH_8:
		{	
			pDataBase->m_Shape.nWidth = 8;
		}
		break;
	case ID_TYPE_SOLID:
		{	
			pDataBase->m_Shape.fnPenStyle = PS_SOLID;
		}
		break;
	case ID_TYPE_DOT:
		{	
			pDataBase->m_Shape.fnPenStyle = PS_DOT;
		}
		break;
	case ID_TYPE_DASH:
		{	
			pDataBase->m_Shape.fnPenStyle = PS_DASH;
		}
		break;
	case ID_EDIT_COPY:
		{	
			pManagerTool->OnCurMenuAction(hWnd,ID_EDIT_COPY);
		}
		break;
	case ID_EDIT_PASTE:
		{	
			pManagerTool->OnCurMenuAction(hWnd,ID_EDIT_PASTE);
		}
		break;
	case ID_EDIT_MIRROR:
		{	
			pManagerTool->OnCurMenuAction(hWnd,ID_EDIT_MIRROR);
		}
		break;
	case ID_EDIT_DELETE:
		{	
			pManagerTool->OnCurMenuAction(hWnd,ID_EDIT_DELETE);
		}
		break;
	case ID_EDIT_DELETEALL:
		{	
			pDataBase->m_ArrayShape.RemoveAll();
			InvalidateRect(hWnd,NULL,TRUE);	
		}
		break;
	case ID_SAVE_FILE:
		{	
			ofstream ofstr("2dCAD.txt");
			for(int i= 0;i<pDataBase->m_ArrayShape.GetArraySize();i++)
			{
				pDataBase->SaveObject(ofstr,pDataBase->m_ArrayShape[i]);
			}
		}
		break;
	case ID_OPEN_FILE:
		{
			ifstream ifstr("2dCAD.txt");			
			while(!ifstr.eof())
			{
				CShape *pShape = pDataBase->OpenObject(ifstr);
				if (pShape != NULL)
				{
					pDataBase->m_ArrayShape.Add(pShape);					
				}
			}
			InvalidateRect(hWnd,NULL,TRUE);
		}
		break;
	case IDM_ABOUT:
		{
			DialogBox(g_theApp.GetInst(), (LPCTSTR)IDD_ABOUTBOX, m_hMainWnd, (DLGPROC)About);
		}
		break;
	case IDM_EXIT:
		{
			DestroyWindow(hWnd);
		}
		break;
	default:
		::DefWindowProc(m_hMainWnd, message, wParam, lParam);
	}
}
//功能：重绘图形
void CMainFrame::onPaint(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	CDataBase *pDataBase = &(g_theApp.m_DataBase);
	PAINTSTRUCT ps;
	HDC hdc = BeginPaint(hWnd, &ps);	
	for(int i = 0;i<pDataBase->m_ArrayShape.GetArraySize();i++)
	{
		if(pDataBase->m_ArrayShape[i] != NULL)
		{
			pDataBase->m_ArrayShape[i]->Draw(hdc);		
		}
	}
	EndPaint(hWnd, &ps);
}

						