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272 lines
9.2 KiB
C
272 lines
9.2 KiB
C
/*
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* Unit test suite for clipping
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*
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* Copyright 2005 Huw Davies
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "wine/test.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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static void test_GetRandomRgn(void)
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{
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HWND hwnd = CreateWindowExA(0,"BUTTON","test",WS_VISIBLE|WS_POPUP,0,0,100,100,GetDesktopWindow(),0,0,0);
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HDC hdc;
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HRGN hrgn = CreateRectRgn(0, 0, 0, 0);
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int ret;
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RECT rc, rc2;
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RECT ret_rc, window_rc;
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ok( hwnd != 0, "CreateWindow failed\n" );
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SetRect(&window_rc, 400, 300, 500, 400);
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MoveWindow(hwnd, window_rc.left, window_rc.top, window_rc.right - window_rc.left, window_rc.bottom - window_rc.top, FALSE);
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hdc = GetDC(hwnd);
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ret = GetRandomRgn(hdc, hrgn, 1);
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ok(ret == 0, "GetRandomRgn rets %d\n", ret);
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ret = GetRandomRgn(hdc, hrgn, 2);
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ok(ret == 0, "GetRandomRgn rets %d\n", ret);
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ret = GetRandomRgn(hdc, hrgn, 3);
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ok(ret == 0, "GetRandomRgn rets %d\n", ret);
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/* Set a clip region */
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SetRect(&rc, 20, 20, 80, 80);
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IntersectClipRect(hdc, rc.left, rc.top, rc.right, rc.bottom);
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ret = GetRandomRgn(hdc, hrgn, 1);
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ok(ret != 0, "GetRandomRgn rets %d\n", ret);
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GetRgnBox(hrgn, &ret_rc);
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ok(EqualRect(&rc, &ret_rc), "GetRandomRgn %d,%d - %d,%d\n",
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ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom);
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ret = GetRandomRgn(hdc, hrgn, 2);
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ok(ret == 0, "GetRandomRgn rets %d\n", ret);
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ret = GetRandomRgn(hdc, hrgn, 3);
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ok(ret != 0, "GetRandomRgn rets %d\n", ret);
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GetRgnBox(hrgn, &ret_rc);
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ok(EqualRect(&rc, &ret_rc), "GetRandomRgn %d,%d - %d,%d\n",
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ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom);
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/* Move the clip to the meta and clear the clip */
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SetMetaRgn(hdc);
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ret = GetRandomRgn(hdc, hrgn, 1);
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ok(ret == 0, "GetRandomRgn rets %d\n", ret);
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ret = GetRandomRgn(hdc, hrgn, 2);
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ok(ret != 0, "GetRandomRgn rets %d\n", ret);
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GetRgnBox(hrgn, &ret_rc);
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ok(EqualRect(&rc, &ret_rc), "GetRandomRgn %d,%d - %d,%d\n",
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ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom);
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ret = GetRandomRgn(hdc, hrgn, 3);
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ok(ret != 0, "GetRandomRgn rets %d\n", ret);
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GetRgnBox(hrgn, &ret_rc);
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ok(EqualRect(&rc, &ret_rc), "GetRandomRgn %d,%d - %d,%d\n",
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ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom);
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/* Set a new clip (still got the meta) */
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SetRect(&rc2, 10, 30, 70, 90);
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IntersectClipRect(hdc, rc2.left, rc2.top, rc2.right, rc2.bottom);
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ret = GetRandomRgn(hdc, hrgn, 1);
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ok(ret != 0, "GetRandomRgn rets %d\n", ret);
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GetRgnBox(hrgn, &ret_rc);
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ok(EqualRect(&rc2, &ret_rc), "GetRandomRgn %d,%d - %d,%d\n",
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ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom);
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ret = GetRandomRgn(hdc, hrgn, 2);
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ok(ret != 0, "GetRandomRgn rets %d\n", ret);
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GetRgnBox(hrgn, &ret_rc);
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ok(EqualRect(&rc, &ret_rc), "GetRandomRgn %d,%d - %d,%d\n",
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ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom);
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IntersectRect(&rc2, &rc, &rc2);
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ret = GetRandomRgn(hdc, hrgn, 3);
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ok(ret != 0, "GetRandomRgn rets %d\n", ret);
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GetRgnBox(hrgn, &ret_rc);
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ok(EqualRect(&rc2, &ret_rc), "GetRandomRgn %d,%d - %d,%d\n",
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ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom);
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ret = GetRandomRgn(hdc, hrgn, SYSRGN);
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ok(ret != 0, "GetRandomRgn rets %d\n", ret);
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GetRgnBox(hrgn, &ret_rc);
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if(GetVersion() & 0x80000000)
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OffsetRect(&window_rc, -window_rc.left, -window_rc.top);
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ok(EqualRect(&window_rc, &ret_rc) ||
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broken(IsRectEmpty(&ret_rc)), /* win95 */
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"GetRandomRgn %d,%d - %d,%d\n",
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ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom);
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DeleteObject(hrgn);
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ReleaseDC(hwnd, hdc);
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DestroyWindow(hwnd);
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}
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static void verify_region(HRGN hrgn, const RECT *rc)
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{
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union
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{
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RGNDATA data;
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char buf[sizeof(RGNDATAHEADER) + sizeof(RECT)];
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} rgn;
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const RECT *rect;
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DWORD ret;
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ret = GetRegionData(hrgn, 0, NULL);
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if (IsRectEmpty(rc))
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ok(ret == sizeof(rgn.data.rdh), "expected sizeof(rdh), got %u\n", ret);
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else
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ok(ret == sizeof(rgn.data.rdh) + sizeof(RECT), "expected sizeof(rgn), got %u\n", ret);
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if (!ret) return;
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ret = GetRegionData(hrgn, sizeof(rgn), &rgn.data);
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if (IsRectEmpty(rc))
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ok(ret == sizeof(rgn.data.rdh), "expected sizeof(rdh), got %u\n", ret);
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else
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ok(ret == sizeof(rgn.data.rdh) + sizeof(RECT), "expected sizeof(rgn), got %u\n", ret);
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trace("size %u, type %u, count %u, rgn size %u, bound (%d,%d-%d,%d)\n",
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rgn.data.rdh.dwSize, rgn.data.rdh.iType,
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rgn.data.rdh.nCount, rgn.data.rdh.nRgnSize,
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rgn.data.rdh.rcBound.left, rgn.data.rdh.rcBound.top,
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rgn.data.rdh.rcBound.right, rgn.data.rdh.rcBound.bottom);
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if (rgn.data.rdh.nCount != 0)
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{
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rect = (const RECT *)rgn.data.Buffer;
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trace("rect (%d,%d-%d,%d)\n", rect->left, rect->top, rect->right, rect->bottom);
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ok(EqualRect(rect, rc), "rects don't match\n");
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}
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ok(rgn.data.rdh.dwSize == sizeof(rgn.data.rdh), "expected sizeof(rdh), got %u\n", rgn.data.rdh.dwSize);
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ok(rgn.data.rdh.iType == RDH_RECTANGLES, "expected RDH_RECTANGLES, got %u\n", rgn.data.rdh.iType);
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if (IsRectEmpty(rc))
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{
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ok(rgn.data.rdh.nCount == 0, "expected 0, got %u\n", rgn.data.rdh.nCount);
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ok(rgn.data.rdh.nRgnSize == 0 ||
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broken(rgn.data.rdh.nRgnSize == 168), /* NT4 */
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"expected 0, got %u\n", rgn.data.rdh.nRgnSize);
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}
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else
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{
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ok(rgn.data.rdh.nCount == 1, "expected 1, got %u\n", rgn.data.rdh.nCount);
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ok(rgn.data.rdh.nRgnSize == sizeof(RECT) ||
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broken(rgn.data.rdh.nRgnSize == 168), /* NT4 */
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"expected sizeof(RECT), got %u\n", rgn.data.rdh.nRgnSize);
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}
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ok(EqualRect(&rgn.data.rdh.rcBound, rc), "rects don't match\n");
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}
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static void test_ExtCreateRegion(void)
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{
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static const RECT empty_rect;
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static const RECT rc = { 111, 222, 333, 444 };
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static const RECT rc_xformed = { 76, 151, 187, 262 };
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union
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{
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RGNDATA data;
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char buf[sizeof(RGNDATAHEADER) + sizeof(RECT)];
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} rgn;
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HRGN hrgn;
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XFORM xform;
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if (0) /* crashes under Win9x */
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{
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SetLastError(0xdeadbeef);
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hrgn = ExtCreateRegion(NULL, 0, NULL);
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ok(!hrgn, "ExtCreateRegion should fail\n");
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ok(GetLastError() == ERROR_INVALID_PARAMETER, "ERROR_INVALID_PARAMETER, got %u\n", GetLastError());
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}
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rgn.data.rdh.dwSize = 0;
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rgn.data.rdh.iType = 0;
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rgn.data.rdh.nCount = 0;
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rgn.data.rdh.nRgnSize = 0;
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SetRectEmpty(&rgn.data.rdh.rcBound);
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memcpy(rgn.data.Buffer, &rc, sizeof(rc));
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SetLastError(0xdeadbeef);
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hrgn = ExtCreateRegion(NULL, sizeof(rgn), &rgn.data);
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ok(!hrgn, "ExtCreateRegion should fail\n");
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ok(GetLastError() == 0xdeadbeef, "0xdeadbeef, got %u\n", GetLastError());
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rgn.data.rdh.dwSize = sizeof(rgn.data.rdh) - 1;
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SetLastError(0xdeadbeef);
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hrgn = ExtCreateRegion(NULL, sizeof(rgn), &rgn.data);
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ok(!hrgn, "ExtCreateRegion should fail\n");
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ok(GetLastError() == 0xdeadbeef, "0xdeadbeef, got %u\n", GetLastError());
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/* although XP doesn't care about the type Win9x does */
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rgn.data.rdh.iType = RDH_RECTANGLES;
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rgn.data.rdh.dwSize = sizeof(rgn.data.rdh);
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SetLastError(0xdeadbeef);
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hrgn = ExtCreateRegion(NULL, sizeof(rgn), &rgn.data);
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ok(hrgn != 0, "ExtCreateRegion error %u\n", GetLastError());
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verify_region(hrgn, &empty_rect);
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DeleteObject(hrgn);
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rgn.data.rdh.nCount = 1;
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SetRectEmpty(&rgn.data.rdh.rcBound);
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memcpy(rgn.data.Buffer, &rc, sizeof(rc));
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SetLastError(0xdeadbeef);
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hrgn = ExtCreateRegion(NULL, sizeof(rgn), &rgn.data);
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ok(hrgn != 0, "ExtCreateRegion error %u\n", GetLastError());
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verify_region(hrgn, &rc);
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DeleteObject(hrgn);
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rgn.data.rdh.dwSize = sizeof(rgn.data.rdh) + 1;
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SetLastError(0xdeadbeef);
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hrgn = ExtCreateRegion(NULL, 1, &rgn.data);
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ok(hrgn != 0 ||
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broken(GetLastError() == 0xdeadbeef), /* NT4 */
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"ExtCreateRegion error %u\n", GetLastError());
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if(hrgn)
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{
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verify_region(hrgn, &rc);
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DeleteObject(hrgn);
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}
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xform.eM11 = 0.5; /* 50% width */
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xform.eM12 = 0.0;
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xform.eM21 = 0.0;
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xform.eM22 = 0.5; /* 50% height */
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xform.eDx = 20.0;
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xform.eDy = 40.0;
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rgn.data.rdh.dwSize = sizeof(rgn.data.rdh);
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SetLastError(0xdeadbeef);
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hrgn = ExtCreateRegion(&xform, sizeof(rgn), &rgn.data);
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ok(hrgn != 0, "ExtCreateRegion error %u/%x\n", GetLastError(), GetLastError());
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verify_region(hrgn, &rc_xformed);
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DeleteObject(hrgn);
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}
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START_TEST(clipping)
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{
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test_GetRandomRgn();
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test_ExtCreateRegion();
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}
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