1 files changed, 77 insertions, 0 deletions
diff --git a/Src/auth/Loginbox/animation.cpp b/Src/auth/Loginbox/animation.cpp
new file mode 100644
index 00000000..6ec82225
--- /dev/null
+++ b/Src/auth/Loginbox/animation.cpp
@@ -0,0 +1,77 @@
+#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;
+}
+\ No newline at end of file