VOID FASTCALL
co_IntDrawCaret(PWND pWnd, PTHRDCARETINFO CaretInfo)
{
HDC hdc, hdcMem;
HBITMAP hbmOld;
BOOL bDone = FALSE;
hdc = UserGetDCEx(pWnd, 0, DCX_USESTYLE | DCX_WINDOW);
if (!hdc)
{
ERR("GetDC failed\n");
return;
}
if (pWnd->hrgnUpdate)
{
NtGdiSaveDC(hdc);
}
if(CaretInfo->Bitmap && NtGdiGetBitmapDimension(CaretInfo->Bitmap, &CaretInfo->Size))
{
hdcMem = NtGdiCreateCompatibleDC(hdc);
if (hdcMem)
{
hbmOld = NtGdiSelectBitmap(hdcMem, CaretInfo->Bitmap);
bDone = NtGdiBitBlt(hdc,
CaretInfo->Pos.x,
CaretInfo->Pos.y,
CaretInfo->Size.cx,
CaretInfo->Size.cy,
hdcMem,
0,
0,
SRCINVERT,
0,
0);
NtGdiSelectBitmap(hdcMem, hbmOld);
GreDeleteObject(hdcMem);
}
}
if (!bDone)
{
NtGdiPatBlt(hdc,
CaretInfo->Pos.x,
CaretInfo->Pos.y,
CaretInfo->Size.cx,
CaretInfo->Size.cy,
DSTINVERT);
}
if (pWnd->hrgnUpdate)
{
NtGdiRestoreDC(hdc, -1);
}
UserReleaseDC(pWnd, hdc, FALSE);
}
/*
* @unimplemented
*/
BOOL
WINAPI
RestoreDC(IN HDC hdc,
IN INT iLevel)
{
HANDLE_METADC(BOOL, RestoreDC, FALSE, hdc, iLevel);
return NtGdiRestoreDC(hdc, iLevel);
}
INT
Test_NtGdiSaveDC(PTESTINFO pti)
{
HDC hdc, hdc2;
HWND hwnd;
HBITMAP hbmp1, hbmp2, hOldBmp;
/* Test 0 hdc */
TEST(NtGdiSaveDC(0) == 0);
/* Test info dc */
hdc = CreateICW(L"DISPLAY",NULL,NULL,NULL);
TEST(hdc);
TEST(NtGdiSaveDC(hdc) == 1);
TEST(NtGdiSaveDC(hdc) == 2);
DeleteDC(hdc);
/* Test display dc */
hdc = GetDC(0);
TEST(hdc);
TEST(NtGdiSaveDC(hdc) == 1);
TEST(NtGdiSaveDC(hdc) == 2);
ReleaseDC(0, hdc);
/* Test a mem DC */
hdc = CreateCompatibleDC(0);
TEST(hdc);
TEST(NtGdiSaveDC(hdc) == 1);
TEST(NtGdiSaveDC(hdc) == 2);
DeleteDC(hdc);
/* Create a window */
hwnd = CreateWindowW(L"BUTTON", L"TestWindow", WS_OVERLAPPEDWINDOW | WS_VISIBLE,
10, 10, 100, 100,
NULL, NULL, g_hInstance, 0);
hdc = GetDC(hwnd);
TEST(hdc);
TEST(NtGdiSaveDC(hdc) == 1);
NtGdiRestoreDC(hdc, 1);
ReleaseDC(hwnd, hdc);
DestroyWindow(hwnd);
/* test behaviour when a bitmap is selected */
hbmp1 = CreateBitmap(2, 2, 1, 1, NULL);
TEST(hbmp1);
hbmp2 = CreateBitmap(2, 2, 1, 1, NULL);
TEST(hbmp2);
hdc = CreateCompatibleDC(0);
TEST(hdc);
hdc2 = CreateCompatibleDC(0);
TEST(hdc2);
hOldBmp = SelectObject(hdc, hbmp1);
TEST(hOldBmp);
TEST(NtGdiSaveDC(hdc) == 1);
TEST(SelectObject(hdc, hbmp2) == hbmp1);
TEST(SelectObject(hdc2, hbmp1) == NULL);
SelectObject(hdc, hOldBmp);
NtGdiRestoreDC(hdc, 1);
TEST(GetCurrentObject(hdc, OBJ_BITMAP) == hbmp1);
/* Again, just to be sure */
TEST(NtGdiSaveDC(hdc) == 1);
TEST(NtGdiSaveDC(hdc) == 2);
TEST(SelectObject(hdc, hbmp2) == hbmp1);
TEST(SelectObject(hdc2, hbmp1) == NULL);
SelectObject(hdc, hOldBmp);
NtGdiRestoreDC(hdc, 2);
TEST(GetCurrentObject(hdc, OBJ_BITMAP) == hbmp1);
/*Cleanup */
SelectObject(hdc, hOldBmp);
DeleteDC(hdc);
DeleteDC(hdc2);
DeleteObject(hbmp1);
DeleteObject(hbmp2);
return APISTATUS_NORMAL;
}
