分别用SDK/MFC实现的绘图小软件

#include <windows.h> #include <windowsx.h> #include"resource.h" #include "hFuncVar.h" MYTEXT mytexts[100]; MYLINE mylines[100]; MYRECT myrects[100]; MYELLIPSE myellipses[100]; RECT rect; POINT pointclik; int iCountl=0,iCountr=0,iCountw=0,iCounte=0,i=0; LOGFONT lpFt; int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow) { MSG msg; if (!InitWindow (hInstance, iCmdShow)) return FALSE; while (GetMessage (&msg, NULL, 0, 0)) { TranslateMessage (&msg); DispatchMessage (&msg); } return msg.wParam; } static BOOL InitWindow (HINSTANCE hInstance, int iCmdShow) { static TCHAR szAppName[] = TEXT ("Draw"); HWND hwnd; WNDCLASS wcMainWnd; wcMainWnd.style = CS_VREDRAW | CS_HREDRAW|CS_DBLCLKS; wcMainWnd.lpfnWndProc = WinProc; wcMainWnd.cbClsExtra = 0; wcMainWnd.cbWndExtra = 0; wcMainWnd.hInstance = hInstance; wcMainWnd.hIcon = LoadIcon (hInstance, IDI_APPLICATION); wcMainWnd.hCursor = LoadCursor (NULL, IDC_ARROW); wcMainWnd.hbrBackground =(HBRUSH) GetStockObject (WHITE_BRUSH); wcMainWnd.lpszMenuName = "IDR_MENU1"; wcMainWnd.lpszClassName = szAppName; if (!RegisterClass (&wcMainWnd)) { MessageBox (NULL, TEXT ("注册窗口类失败！"), szAppName, MB_ICONERROR); return 0; } hwnd = CreateWindow (szAppName, TEXT ("简易绘图--张杰"), WS_OVERLAPPEDWINDOW, 100, 100, 700, 500, NULL, NULL, hInstance, NULL); if( !hwnd ) return FALSE; ShowWindow( hwnd, iCmdShow ); UpdateWindow( hwnd ); return TRUE; } LRESULT CALLBACK WinProc (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) { PAINTSTRUCT ps; static HDC hdc; HMENU hMenu; static CHOOSECOLOR cc; static COLORREF crCustomColors[16]; static HINSTANCE hInstance; static int iSelectionFile=0; static int iSelectionWord=0; static int iSelectionColorc=0; static int iSelectionGraphics=0; static int iSelectionColorb=0; switch (message) { case WM_CREATE: hInstance=(HINSTANCE)GetWindowLong(hWnd,GWL_HINSTANCE); cc.lStructSize = sizeof (CHOOSECOLOR); cc.hwndOwner = hWnd; cc.hInstance = NULL; cc.rgbResult = RGB (0, 255, 0); cc.lpCustColors = crCustomColors; cc.Flags = CC_RGBINIT | CC_FULLOPEN; cc.lCustData = 0; cc.lpfnHook = NULL; cc.lpTemplateName = NULL; return 0; case WM_LBUTTONDOWN: switch(iSelectionGraphics) { case IDT_LINE: mylines[iCountl].PosD.x=GET_X_LPARAM(lParam); mylines[iCountl].PosD.y=GET_Y_LPARAM(lParam); break; case IDT_TANGLE: myrects[iCountr].myrect.left=GET_X_LPARAM(lParam); myrects[iCountr].myrect.top=GET_Y_LPARAM(lParam); break; case IDT_ELLIPSE: myellipses[iCounte].myellipse.left=GET_X_LPARAM(lParam); myellipses[iCounte].myellipse.top=GET_Y_LPARAM(lParam); break; } switch(iSelectionWord) { case IDW_WORD: mytexts[iCountw].myword.left=GET_X_LPARAM(lParam); mytexts[iCountw].myword.top=GET_Y_LPARAM(lParam); break; } return 0; case WM_LBUTTONUP: switch(iSelectionGraphics) { case IDT_LINE: mylines[iCountl].PosU.x=GET_X_LPARAM(lParam); mylines[iCountl].PosU.y=GET_Y_LPARAM(lParam); mylines[iCountl].CLline=crCustomColors[0]; iCountl++; break; case IDT_TANGLE: myrects[iCountr].myrect.right=GET_X_LPARAM(lParam); myrects[iCountr].myrect.bottom=GET_Y_LPARAM(lParam); if (iSelectionColorb==IDC_BKGD) myrects[iCountr].CRect=crCustomColors[0]; iCountr++; break; case IDT_ELLIPSE: myellipses[iCounte].myellipse.right=GET_X_LPARAM(lParam); myellipses[iCounte].myellipse.bottom=GET_Y_LPARAM(lParam); if (iSelectionColorb==IDC_BKGD) myellipses[iCounte].CEllipse=crCustomColors[0]; iCounte++; break; } switch(iSelectionWord) { case IDW_WORD: mytexts[iCountw].myword.right=GET_X_LPARAM(lParam); mytexts[iCountw].myword.bottom=GET_Y_LPARAM(lParam); DialogBox(hInstance,"IDD_DIALOG1",hWnd,DialogFunc); mytexts[iCountw].CText=crCustomColors[0]; mytexts[iCountw].lpFont=lpFt; iCountw++; break; case IDW_FONT: break; } if(iCountl>100) MessageBox(hWnd,"画线缓冲器已满","提示",MB_OK|MB_ICONERROR); if(iCountr>100) MessageBox(hWnd,"矩形缓冲器已满","提示",MB_OK|MB_ICONERROR); if(iCountw>100) MessageBox(hWnd,"文本缓冲器已满","提示",MB_OK|MB_ICONERROR); if(iCounte>100) MessageBox(hWnd,"椭圆缓冲器已满","提示",MB_OK|MB_ICONERROR); InvalidateRect(hWnd,NULL,TRUE); return 0; case WM_LBUTTONDBLCLK: pointclik.x =GET_X_LPARAM(lParam); pointclik.y =GET_Y_LPARAM(lParam); for (i=0;i<iCountr;i++) { if ((myrects[i].myrect.left<pointclik.x)&&(pointclik.x<myrects[i].myrect.right) && (myrects[i].myrect.top<pointclik.y)&&(pointclik.y<myrects[i].myrect.bottom)) { DialogBox(hInstance,"IDD_DIALOG2",hWnd,DialogPro); InvalidateRect(hWnd,NULL,TRUE); } } return 0; case WM_COMMAND: hMenu=GetMenu(hWnd); switch(LOWORD (wParam)) { case IDF_EXIT: SendMessage(hWnd,WM_CLOSE,0,0); return 0; case IDF_OPEN: case IDF_SAVE: case IDF_SAVEAS: CheckMenuItem (hMenu, iSelectionFile, MF_UNCHECKED) ; iSelectionFile = LOWORD (wParam) ; CheckMenuItem (hMenu, iSelectionFile, MF_CHECKED) ; FileFunc(hWnd,iSelectionFile); return 0; case IDW_WORD: case IDW_FONT: CheckMenuItem (hMenu, iSelectionGraphics, MF_UNCHECKED) ; CheckMenuItem (hMenu, iSelectionWord, MF_UNCHECKED) ; iSelectionWord = LOWORD (wParam) ; CheckMenuItem (hMenu, iSelectionWord, MF_CHECKED) ; iSelectionGraphics=0; if(iSelectionWord==IDW_FONT) { FontFunc( hWnd); CheckMenuItem (hMenu, iSelectionWord, MF_UNCHECKED) ; iSelectionWord=IDW_WORD; CheckMenuItem (hMenu, iSelectionWord, MF_CHECKED) ; } return 0; case IDC_BKGD: CheckMenuItem (hMenu, iSelectionColorc, MF_UNCHECKED) ; iSelectionColorb = LOWORD (wParam) ; CheckMenuItem (hMenu, iSelectionColorb, MF_CHECKED) ; if (!ChooseColor (&cc)) MessageBox(hWnd,"获取调色板颜色失败","提示",MB_OK|MB_ICONERROR); return 0; case IDC_COLOR: CheckMenuItem (hMenu, iSelectionColorb, MF_UNCHECKED) ; iSelectionColorc = LOWORD (wParam) ; CheckMenuItem (hMenu, iSelectionColorc, MF_CHECKED) ; if (!ChooseColor (&cc)) MessageBox(hWnd,"获取调色板颜色失败","提示",MB_OK|MB_ICONERROR); return 0; case IDT_LINE: case IDT_TANGLE: case IDT_ELLIPSE: CheckMenuItem (hMenu, iSelectionWord, MF_UNCHECKED) ; CheckMenuItem (hMenu, iSelectionGraphics, MF_UNCHECKED) ; iSelectionGraphics = LOWORD (wParam) ; CheckMenuItem (hMenu, iSelectionGraphics, MF_CHECKED) ; iSelectionWord=0; return 0; case IDH_ABOVE: MessageBox(hWnd,"简易绘图工具--第一版--作者:张杰","绘图",MB_OK|MB_ICONQUESTION); return 0; } return 0; case WM_PAINT: hdc=BeginPaint (hWnd, &ps); GetClientRect (hWnd, &rect); DrawMyLine(hdc,mylines,iCountl); MyRectangle(hdc,myrects,iCountr); DrawMyEllipse(hdc,myellipses,iCounte); DrawMyText(hdc,mytexts,iCountw); EndPaint (hWnd, &ps); return 0; case WM_DESTROY: PostQuitMessage(0); return 0; } return DefWindowProc (hWnd, message, wParam, lParam); }