reactos/rostests/apitests/gdi32/OffsetClipRgn.c

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/*
* PROJECT: ReactOS api tests
* LICENSE: GPL - See COPYING in the top level directory
* PURPOSE: Test for OffsetClipRgn
* PROGRAMMERS: Timo Kreuzer
*/
#include <apitest.h>
#include <wingdi.h>
#define CLIPRGN 1
void Test_OffsetClipRgn()
{
HDC hdc;
HRGN hrgn, hrgn2;
//RECT rect;
hdc = CreateCompatibleDC(NULL);
ok(hdc != 0, "CreateCompatibleDC failed, skipping tests.\n");
if (!hdc) return;
hrgn2 = CreateRectRgn(0, 0, 0, 0);
/* Test NULL DC */
SetLastError(0x12345);
ok_int(OffsetClipRgn(NULL, 0, 0), ERROR);
ok_int(GetLastError(), ERROR_INVALID_HANDLE);
/* Test invalid DC */
SetLastError(0x12345);
ok_int(OffsetClipRgn((HDC)(ULONG_PTR)0x12345, 0, 0), ERROR);
ok((GetLastError() == 0x12345) || (GetLastError() == ERROR_INVALID_HANDLE), "Expected 0x12345 or ERROR_INVALID_HANDLE, got %ld\n", GetLastError());
SetLastError(0x12345);
/* Test without a clip region set */
SetLastError(0x12345);
ok_int(SelectClipRgn(hdc, NULL), SIMPLEREGION);
ok_int(OffsetClipRgn(hdc, 0, 0), SIMPLEREGION);
ok_int(GetLastError(), 0x12345);
SetLastError(0x12345);
/* Set a clip region */
hrgn = CreateRectRgn(10, 10, 20, 30);
ok_int(SelectClipRgn(hdc, hrgn), NULLREGION);
DeleteObject(hrgn);
ok_int(OffsetClipRgn(hdc, 10, 10), SIMPLEREGION);
ok_int(GetRandomRgn(hdc, hrgn2, CLIPRGN), 1);
hrgn = CreateRectRgn(20, 20, 30, 40);
ok_int(EqualRgn(hrgn, hrgn2), TRUE);
/* Set different scaling */
SetMapMode(hdc, MM_ANISOTROPIC);
ok_int(SetViewportExtEx(hdc, 100, 100, NULL), 1);
ok_int(SetWindowExtEx(hdc, 200, 50, NULL), 1);
ok_int(OffsetClipRgn(hdc, 10, 10), SIMPLEREGION);
ok_int(GetRandomRgn(hdc, hrgn2, CLIPRGN), 1);
hrgn = CreateRectRgn(25, 40, 35, 60);
ok_int(EqualRgn(hrgn, hrgn2), TRUE);
#if 0
/* Set different scaling */
SetMapMode(hdc, MM_ANISOTROPIC);
ok_int(SetViewportExtEx(hdc, 100, 100, NULL), 1);
ok_int(SetWindowExtEx(hdc, 80, 350, NULL), 1);
ok_int(OffsetClipRgn(hdc, 10, 10), SIMPLEREGION);
ok_int(GetRandomRgn(hdc, hrgn2, CLIPRGN), 1);
hrgn = CreateRectRgn(33, 23, 43, 43);
ok_int(EqualRgn(hrgn, hrgn2), TRUE);
#endif
ok_int(GetLastError(), 0x12345);
}
START_TEST(OffsetClipRgn)
{
Test_OffsetClipRgn();
}