reactos/rostests/winetests/gdi32/clipping.c

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/*
* Unit test suite for clipping
*
* Copyright 2005 Huw Davies
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "wine/test.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
static void test_GetRandomRgn(void)
{
HWND hwnd = CreateWindowExA(0,"BUTTON","test",WS_VISIBLE|WS_POPUP,0,0,100,100,GetDesktopWindow(),0,0,0);
HDC hdc;
HRGN hrgn = CreateRectRgn(0, 0, 0, 0);
int ret;
RECT rc, rc2;
RECT ret_rc, window_rc;
ok( hwnd != 0, "CreateWindow failed\n" );
SetRect(&window_rc, 400, 300, 500, 400);
MoveWindow(hwnd, window_rc.left, window_rc.top, window_rc.right - window_rc.left, window_rc.bottom - window_rc.top, FALSE);
hdc = GetDC(hwnd);
ret = GetRandomRgn(hdc, hrgn, 1);
ok(ret == 0, "GetRandomRgn rets %d\n", ret);
ret = GetRandomRgn(hdc, hrgn, 2);
ok(ret == 0, "GetRandomRgn rets %d\n", ret);
ret = GetRandomRgn(hdc, hrgn, 3);
ok(ret == 0, "GetRandomRgn rets %d\n", ret);
/* Set a clip region */
SetRect(&rc, 20, 20, 80, 80);
IntersectClipRect(hdc, rc.left, rc.top, rc.right, rc.bottom);
ret = GetRandomRgn(hdc, hrgn, 1);
ok(ret != 0, "GetRandomRgn rets %d\n", ret);
GetRgnBox(hrgn, &ret_rc);
ok(EqualRect(&rc, &ret_rc), "GetRandomRgn %ld,%ld - %ld,%ld\n",
ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom);
ret = GetRandomRgn(hdc, hrgn, 2);
ok(ret == 0, "GetRandomRgn rets %d\n", ret);
ret = GetRandomRgn(hdc, hrgn, 3);
ok(ret != 0, "GetRandomRgn rets %d\n", ret);
GetRgnBox(hrgn, &ret_rc);
ok(EqualRect(&rc, &ret_rc), "GetRandomRgn %ld,%ld - %ld,%ld\n",
ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom);
/* Move the clip to the meta and clear the clip */
SetMetaRgn(hdc);
ret = GetRandomRgn(hdc, hrgn, 1);
ok(ret == 0, "GetRandomRgn rets %d\n", ret);
ret = GetRandomRgn(hdc, hrgn, 2);
ok(ret != 0, "GetRandomRgn rets %d\n", ret);
GetRgnBox(hrgn, &ret_rc);
ok(EqualRect(&rc, &ret_rc), "GetRandomRgn %ld,%ld - %ld,%ld\n",
ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom);
ret = GetRandomRgn(hdc, hrgn, 3);
ok(ret != 0, "GetRandomRgn rets %d\n", ret);
GetRgnBox(hrgn, &ret_rc);
ok(EqualRect(&rc, &ret_rc), "GetRandomRgn %ld,%ld - %ld,%ld\n",
ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom);
/* Set a new clip (still got the meta) */
SetRect(&rc2, 10, 30, 70, 90);
IntersectClipRect(hdc, rc2.left, rc2.top, rc2.right, rc2.bottom);
ret = GetRandomRgn(hdc, hrgn, 1);
ok(ret != 0, "GetRandomRgn rets %d\n", ret);
GetRgnBox(hrgn, &ret_rc);
ok(EqualRect(&rc2, &ret_rc), "GetRandomRgn %ld,%ld - %ld,%ld\n",
ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom);
ret = GetRandomRgn(hdc, hrgn, 2);
ok(ret != 0, "GetRandomRgn rets %d\n", ret);
GetRgnBox(hrgn, &ret_rc);
ok(EqualRect(&rc, &ret_rc), "GetRandomRgn %ld,%ld - %ld,%ld\n",
ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom);
IntersectRect(&rc2, &rc, &rc2);
ret = GetRandomRgn(hdc, hrgn, 3);
ok(ret != 0, "GetRandomRgn rets %d\n", ret);
GetRgnBox(hrgn, &ret_rc);
ok(EqualRect(&rc2, &ret_rc), "GetRandomRgn %ld,%ld - %ld,%ld\n",
ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom);
ret = GetRandomRgn(hdc, hrgn, SYSRGN);
ok(ret != 0, "GetRandomRgn rets %d\n", ret);
GetRgnBox(hrgn, &ret_rc);
if(GetVersion() & 0x80000000)
OffsetRect(&window_rc, -window_rc.left, -window_rc.top);
ok(EqualRect(&window_rc, &ret_rc), "GetRandomRgn %ld,%ld - %ld,%ld\n",
ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom);
DeleteObject(hrgn);
ReleaseDC(hwnd, hdc);
DestroyWindow(hwnd);
}
START_TEST(clipping)
{
test_GetRandomRgn();
}