MoveToEx(hdc, apt[0].x, apt[0].y, NULL);

#include <windows.h> #include <string.h> #include "resource.h" LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM); static HFONT hf; int WINAPI WinMain(HINSTANCE hI, HINSTANCE hPI, PSTR szCmdLine, int iCS) { static TCHAR szAppName[] = TEXT("Desenho"); HWND hwnd; MSG msg; WNDCLASS wndclass; HBITMAP imagem; HBRUSH hBrush; imagem = LoadBitmap(hI, IMAGEM); hBrush = CreatePatternBrush(imagem); DeleteObject(imagem); wndclass.style = CS_HREDRAW | CS_VREDRAW; wndclass.lpfnWndProc = WndProc; wndclass.cbClsExtra = 0; wndclass.cbWndExtra = 0; wndclass.hInstance = hI; wndclass.hIcon = LoadIcon(NULL, IDI_APPLICATION); wndclass.hCursor = LoadCursor(NULL, IDC_ARROW); wndclass.hbrBackground = hBrush; wndclass.lpszMenuName = NULL; wndclass.lpszClassName = szAppName; if(!RegisterClass(&wndclass)) { MessageBox(NULL,TEXT("Error!"),szAppName,MB_ICONERROR); return 0; } hwnd = CreateWindow( szAppName, TEXT("DrawBezier"), WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, hI, NULL ); ShowWindow(hwnd, iCS); UpdateWindow(hwnd); while(GetMessage(&msg, NULL, 0, 0)) { TranslateMessage(&msg); DispatchMessage(&msg); FreeConsole(); } return msg.wParam; } void DrawBezier(HDC hdc, POINT apt[]) { PolyBezier(hdc, apt, 4); MoveToEx(hdc, apt[0].x, apt[0].y, NULL); LineTo (hdc, apt[1].x, apt[1].y); MoveToEx(hdc, apt[2].x, apt[2].y, NULL); LineTo(hdc, apt[3].x, apt[3].y); } LRESULT CALLBACK WndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam) { static POINT apt[4]; HDC hdc, pv; int cxClient, cyClient; PAINTSTRUCT ps; switch(message) { case WM_SIZE: cxClient = LOWORD(lParam); cyClient = LOWORD(lParam); apt[0].x = cxClient /4; apt[0].y = cyClient /2; apt[1].x = cxClient/2; apt[1].y = cyClient/4; apt[2].x = cxClient/2; apt[2].y = 3 * cyClient/4; apt[3].x = 3 * cxClient/4; apt[3].y = cyClient/2; return 0; case WM_LBUTTONDOWN: case WM_RBUTTONDOWN: case WM_MOUSEMOVE: if(wParam & MK_LBUTTON || wParam & MK_RBUTTON) { hdc = GetDC(hwnd); SelectObject(hdc, GetStockObject(WHITE_PEN)); DrawBezier(hdc, apt); if(wParam & MK_LBUTTON) { apt[1].x = LOWORD(lParam); apt[1].y = HIWORD(lParam); } if(wParam & MK_RBUTTON) { apt[2].x = LOWORD(lParam); apt[2].y = HIWORD(lParam); } SelectObject(hdc, GetStockObject(BLACK_PEN)); DrawBezier(hdc, apt); ReleaseDC(hwnd, hdc); } return 0; case WM_PAINT: InvalidateRect(hwnd, NULL, TRUE); hdc = BeginPaint(hwnd, &ps); DrawBezier(hdc, apt); TextOut(hdc, 10, 20, Joao, strlen(Joao)); EndPaint(hwnd, &ps); return 0; case WM_DESTROY: PostQuitMessage(0); return 0; } return DefWindowProc(hwnd, message, wParam, lParam); }
/********************Arquivo: resource.h********************/ #define IMAGEM 12 #define Joao "Porque Deus enviou o seu Filho ao mundo, não para que condenasse o mundo, mas para que o mundo fosse salvo por ele. João 3:17"
/********************Arquivo: resource.rc********************/ #include "resource.h" #include "afxres.h" IMAGEM BITMAP DISCARDABLE "image.bmp"

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