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#include "./animation.h"
#include "./common.h"
BOOL Animation_Initialize(ANIMATIONDATA *animation, UINT durationMs)
{
if (NULL == animation)
return FALSE;
if (FALSE == QueryPerformanceFrequency(&animation->frequency))
return FALSE;
QueryPerformanceCounter(&animation->completion);
animation->completion.QuadPart += animation->frequency.QuadPart*durationMs/1000LL;
return TRUE;
}
BOOL Animation_BeginStep(ANIMATIONDATA *animation)
{
if (NULL == animation || FALSE == QueryPerformanceCounter(&animation->stepBegin))
return FALSE;
return TRUE;
}
BOOL Animation_EndStep(ANIMATIONDATA *animation, size_t stepsRemaining)
{
if (NULL == animation || FALSE == QueryPerformanceCounter(&animation->stepEnd))
return FALSE;
if (0 == stepsRemaining || animation->stepEnd.QuadPart >= animation->completion.QuadPart)
return TRUE;
LARGE_INTEGER sleep;
sleep.QuadPart = (animation->completion.QuadPart - animation->stepEnd.QuadPart) -
(stepsRemaining * (animation->stepEnd.QuadPart - animation->stepBegin.QuadPart));
if (stepsRemaining > 1)
sleep.QuadPart /= (stepsRemaining -1);
if (sleep.QuadPart <= 0)
return TRUE;
sleep.QuadPart += animation->stepEnd.QuadPart;
do
{
SleepEx(0, FALSE);
QueryPerformanceCounter(&animation->stepEnd);
} while(sleep.QuadPart > animation->stepEnd.QuadPart);
return TRUE;
}
BOOL Animation_SetWindowPos(HWND hwnd, INT x, INT y, INT cx, INT cy, UINT flags, HDC hdc, INT contextX, INT contextY)
{
if (NULL == hwnd ||
FALSE == SetWindowPos(hwnd, NULL, x, y, cx, cy,
flags | SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOREDRAW | SWP_NOCOPYBITS))
{
return FALSE;
}
UINT windowStyle = GetWindowStyle(hwnd);
POINT origPoint;
SetViewportOrgEx(hdc, contextX, contextY, &origPoint);
if (0 == (WS_VISIBLE & windowStyle))
SetWindowLongPtr(hwnd, GWL_STYLE, windowStyle | WS_VISIBLE);
if (FALSE == LoginBox_PrintWindow(hwnd, hdc, 0))
SendMessage(hwnd, WM_PRINT, (WPARAM)hdc, (LPARAM)(PRF_CLIENT | PRF_ERASEBKGND | PRF_CHILDREN | PRF_NONCLIENT));
if (0 == (WS_VISIBLE & windowStyle))
SetWindowLongPtr(hwnd, GWL_STYLE, windowStyle & ~WS_VISIBLE);
SetViewportOrgEx(hdc, origPoint.x, origPoint.y, NULL);
return TRUE;
}
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