/* Функция обработки изменение размера кадра.
* АРГУМЕНТЫ:
* - новые размеры кадра:
* INT W, H;
* ВОЗВРАЩАЕМОЕ ЗНАЧЕНИЕ: Нет.
*/
VOID VG4_AnimResize( INT W, INT H )
{
BITMAPINFOHEADER bih;
if (!VG4_IsInit)
return;
if (VG4_Anim.hFrame != NULL)
DeleteObject(VG4_Anim.hFrame);
/* создаем изображение заданной структуры */
bih.biSize = sizeof(BITMAPINFOHEADER);
bih.biWidth = VG4_Anim.W = W;
bih.biHeight = -(VG4_Anim.H = H);
bih.biPlanes = 1; /* всегда */
bih.biBitCount = 32; /* xRGB */
bih.biCompression = BI_RGB;
bih.biSizeImage = W * H * 4;
bih.biClrImportant = 0;
bih.biClrUsed = 0;
bih.biXPelsPerMeter = bih.biYPelsPerMeter = 0;
VG4_Anim.hFrame = CreateDIBSection(NULL, (BITMAPINFO *)&bih,
DIB_RGB_COLORS, (VOID *)&VG4_Anim.Bits, NULL, 0);
SelectObject(VG4_Anim.hDC, VG4_Anim.hFrame);
/* Первичное построение кадра в новом размере */
VG4_AnimRender();
} /* End of 'VG4_AnimResize' function */
/* Window message handle function (CALLBACK version).
* - window handle:
* HWND hWnd;
* - message identifier:
* UINT Msg;
* - message first parameter ('word' param):
* WPARAM wParam;
* - message second parameter ('long' param):
* LPARAM lParam;
* RETURNS:
* (LRESULT) message return code (depended to Msg type).
*/
LRESULT CALLBACK VG4_MyWindowFunc( HWND hWnd, UINT Msg,
WPARAM wParam, LPARAM lParam )
{
HDC hDC;
PAINTSTRUCT ps;
MINMAXINFO *MinMax;
switch (Msg)
{
case WM_GETMINMAXINFO:
MinMax = (MINMAXINFO *)lParam;
MinMax->ptMaxTrackSize.y =
GetSystemMetrics(SM_CYMAXTRACK) +
GetSystemMetrics(SM_CYCAPTION) +
GetSystemMetrics(SM_CYMENU) +
GetSystemMetrics(SM_CYBORDER) * 2;
return 0;
case WM_CREATE:
/* Setup timer */
SetTimer(hWnd, 11, 2, NULL);
VG4_AnimInit(hWnd);
return 0;
case WM_SIZE:
VG4_AnimResize(LOWORD(lParam), HIWORD(lParam));
/* Send redraw timer message */
SendMessage(hWnd, WM_TIMER, 0, 0);
return 0;
case WM_MOUSEWHEEL:
VG4_MouseWheel += (SHORT)HIWORD(wParam);
return 0;
case WM_ERASEBKGND:
/* Cancel draw background */
return 0;
case WM_TIMER:
VG4_AnimRender();
/* Post repaint window message */
InvalidateRect(hWnd, NULL, FALSE);
return 0;
case WM_PAINT:
/* Redraw window frame */
hDC = BeginPaint(hWnd, &ps);
VG4_AnimCopyFrame(hDC);
EndPaint(hWnd, &ps);
return 0;
case WM_DESTROY:
VG4_AnimClose();
KillTimer(hWnd, 11);
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hWnd, Msg, wParam, lParam);
} /* End of 'MyWindowFunc' function */
/* Функция обработки сообщения окна.
* АРГУМЕНТЫ:
* - дескриптор окна:
* HWND hWnd;
* - номер сообщения:
* UINT Msg;
* - параметр сообшения ('word parameter'):
* WPARAM wParam;
* - параметр сообшения ('long parameter'):
* LPARAM lParam;
* ВОЗВРАЩАЕМОЕ ЗНАЧЕНИЕ:
* (LRESULT) - в зависимости от сообщения.
*/
LRESULT CALLBACK MainWindowFunc( HWND hWnd, UINT Msg,
WPARAM wParam, LPARAM lParam )
{
HDC hDC;
PAINTSTRUCT ps;
MINMAXINFO *minmax;
static BOOL pause;
switch (Msg)
{
case WM_GETMINMAXINFO:
minmax = (MINMAXINFO *)lParam;
minmax->ptMaxTrackSize.y = GetSystemMetrics(SM_CYMAXTRACK) +
GetSystemMetrics(SM_CYCAPTION) + GetSystemMetrics(SM_CYBORDER) * 2;
return 0;
case WM_CREATE:
SetTimer(hWnd, 30, 1, NULL);
if (!VG4_AnimInit(hWnd))
return -1;
return 0;
case WM_SYSKEYDOWN:
if (wParam == VK_RETURN)
return 0;
break;
case WM_SIZE:
VG4_AnimResize(LOWORD(lParam), HIWORD(lParam));
case WM_TIMER:
VG4_AnimRender();
VG4_AnimCopyFrame();
return 0;
case WM_ERASEBKGND:
/* VG4_AnimCopyFrame(); */
return 1;
case WM_PAINT:
hDC = BeginPaint(hWnd, &ps);
EndPaint(hWnd, &ps);
return 0;
case WM_DESTROY:
VG4_AnimClose();
PostQuitMessage(0);
KillTimer(hWnd, 30);
return 0;
}
return DefWindowProc(hWnd, Msg, wParam, lParam);
} /* End of 'MainWindowFunc' function */