API 비트맵2

배경화면에서 텍스트가 위에서 아래로 이동하기

LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam) {     HDC hdc, memdc;     PAINTSTRUCT ps;     static HBITMAP hBit, oldBit;     static RECT rectView;     static int yPos;     TCHAR word[] = _T("대한민국화이팅");       switch (iMsg)     {     case WM_CREATE:         yPos = -30;         GetClientRect(hwnd, &rectView);         SetTimer(hwnd, 1, 10, NULL);         hBit = LoadBitmap(hInst, MAKEINTRESOURCE(IDB_BITMAP2));         break;     case WM_TIMER:         yPos += 1;         if (yPos > rectView.bottom) yPos = -30;         InvalidateRgn(hwnd, NULL, TRUE);         return 0;     case WM_PAINT:         GetClientRect(hwnd, &rectView);         hdc = BeginPaint(hwnd, &ps);         memdc = CreateCompatibleDC(hdc);         oldBit = (HBITMAP)SelectObject(memdc, hBit);         BitBlt(hdc, 0, 0, 1024, 768, memdc, 0, 0, SRCCOPY);         SelectObject(memdc, oldBit);         DeleteDC(memdc);         TextOut(hdc, 200, yPos, word, _tcslen(word));         EndPaint(hwnd, &ps);         break;     case WM_DESTROY:         DeleteObject(hBit);         KillTimer(hwnd, 1);         PostQuitMessage(0);         break;     }     return DefWindowProc(hwnd, iMsg, wParam, lParam); }

실행 결과]

 

더블 버퍼링을 이용하여 배경화면에 움직이는 텍스트 만들기

void TextPrint(HDC hdc, int x, int y, TCHAR text[]) {     int i, j;     SetTextColor(hdc, RGB(255, 255, 255));     for (i = -1; i <= 1; i++)         for (j = -1; j <= 1; j++)             TextOut(hdc, x + i, y + j, text, _tcslen(text));     SetTextColor(hdc, RGB(0, 0, 0));     TextOut(hdc, x, y, text, _tcslen(text)); }   LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam) {     static HDC hdc, mem1dc, mem2dc;     PAINTSTRUCT ps;     static HBITMAP hBit1, hBit2, oldBit1, oldBit2;     static RECT rectView;     static int yPos;     TCHAR word[] = _T("대한민국화이팅");       switch (iMsg)     {     case WM_CREATE:         yPos = -30;         GetClientRect(hwnd, &rectView);         SetTimer(hwnd, 1, 70, NULL);         hBit2 = LoadBitmap(hInst, MAKEINTRESOURCE(IDB_BITMAP2));         break;     case WM_TIMER:         yPos += 5;         if (yPos > rectView.bottom) yPos = -30;         InvalidateRgn(hwnd, NULL, TRUE);         return 0;     case WM_PAINT:         GetClientRect(hwnd, &rectView);         hdc = BeginPaint(hwnd, &ps);         mem1dc = CreateCompatibleDC(hdc);         mem2dc = CreateCompatibleDC(mem1dc);         if (hBit1 == NULL)             hBit1 = CreateCompatibleBitmap(hdc, 530, 530);         oldBit1 = (HBITMAP)SelectObject(mem1dc, hBit1);         oldBit2 = (HBITMAP)SelectObject(mem2dc, hBit2);         BitBlt(mem1dc, 0, 0, 530, 530, mem2dc, 0, 0, SRCCOPY);         SetBkMode(mem1dc, TRANSPARENT);         TextPrint(mem1dc, 200, yPos, word);         BitBlt(hdc, 0, 0, 530, 530, mem1dc, 0, 0, SRCCOPY);         SelectObject(mem1dc, oldBit1);         SelectObject(mem2dc, oldBit2);         DeleteDC(mem2dc);         DeleteDC(mem1dc);         EndPaint(hwnd, &ps);         return 0;     case WM_DESTROY:         if (hBit1) DeleteObject(hBit1);         DeleteObject(hBit2);         KillTimer(hwnd, 1);         PostQuitMessage(0);         break;     }     return DefWindowProc(hwnd, iMsg, wParam, lParam); }

 

실행 결과]