471 lines
16 KiB
C
471 lines
16 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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SetWindowPos(hwnd, HWND_TOPMOST, window_rc.left, window_rc.top,
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window_rc.right - window_rc.left, window_rc.bottom - window_rc.top, 0 );
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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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/* the window may be partially obscured so the region may be smaller */
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IntersectRect( &window_rc, &ret_rc, &ret_rc );
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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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static void test_GetClipRgn(void)
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{
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HDC hdc;
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HRGN hrgn, hrgn2, hrgn3, hrgn4;
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int ret;
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/* Test calling GetClipRgn with NULL device context and region handles. */
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ret = GetClipRgn(NULL, NULL);
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ok(ret == -1, "Expected GetClipRgn to return -1, got %d\n", ret);
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hdc = GetDC(NULL);
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ok(hdc != NULL, "Expected GetDC to return a valid device context handle\n");
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/* Test calling GetClipRgn with a valid device context and NULL region. */
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ret = GetClipRgn(hdc, NULL);
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ok(ret == 0 ||
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ret == -1 /* Win9x */,
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"Expected GetClipRgn to return 0, got %d\n", ret);
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/* Initialize the test regions. */
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hrgn = CreateRectRgn(100, 100, 100, 100);
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ok(hrgn != NULL,
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"Expected CreateRectRgn to return a handle to a new rectangular region\n");
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hrgn2 = CreateRectRgn(1, 2, 3, 4);
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ok(hrgn2 != NULL,
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"Expected CreateRectRgn to return a handle to a new rectangular region\n");
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hrgn3 = CreateRectRgn(1, 2, 3, 4);
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ok(hrgn3 != NULL,
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"Expected CreateRectRgn to return a handle to a new rectangular region\n");
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hrgn4 = CreateRectRgn(1, 2, 3, 4);
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ok(hrgn4 != NULL,
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"Expected CreateRectRgn to return a handle to a new rectangular region\n");
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/* Try getting a clipping region from the device context
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* when the device context's clipping region isn't set. */
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ret = GetClipRgn(hdc, hrgn2);
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ok(ret == 0, "Expected GetClipRgn to return 0, got %d\n", ret);
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/* The region passed to GetClipRgn should be unchanged. */
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ret = EqualRgn(hrgn2, hrgn3);
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ok(ret == 1,
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"Expected EqualRgn to compare the two regions as equal, got %d\n", ret);
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/* Try setting and getting back a clipping region. */
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ret = SelectClipRgn(hdc, hrgn);
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ok(ret == NULLREGION,
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"Expected SelectClipRgn to return NULLREGION, got %d\n", ret);
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/* Passing a NULL region handle when the device context
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* has a clipping region results in an error. */
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ret = GetClipRgn(hdc, NULL);
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ok(ret == -1, "Expected GetClipRgn to return -1, got %d\n", ret);
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ret = GetClipRgn(hdc, hrgn2);
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ok(ret == 1, "Expected GetClipRgn to return 1, got %d\n", ret);
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ret = EqualRgn(hrgn, hrgn2);
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ok(ret == 1,
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"Expected EqualRgn to compare the two regions as equal, got %d\n", ret);
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/* Try unsetting and then query the clipping region. */
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ret = SelectClipRgn(hdc, NULL);
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ok(ret == SIMPLEREGION || (ret == COMPLEXREGION && GetSystemMetrics(SM_CMONITORS) > 1),
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"Expected SelectClipRgn to return SIMPLEREGION, got %d\n", ret);
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ret = GetClipRgn(hdc, NULL);
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ok(ret == 0 ||
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ret == -1 /* Win9x */,
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"Expected GetClipRgn to return 0, got %d\n", ret);
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ret = GetClipRgn(hdc, hrgn3);
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ok(ret == 0, "Expected GetClipRgn to return 0, got %d\n", ret);
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ret = EqualRgn(hrgn3, hrgn4);
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ok(ret == 1,
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"Expected EqualRgn to compare the two regions as equal, got %d\n", ret);
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DeleteObject(hrgn4);
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DeleteObject(hrgn3);
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DeleteObject(hrgn2);
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DeleteObject(hrgn);
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ReleaseDC(NULL, hdc);
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}
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static void test_memory_dc_clipping(void)
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{
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HDC hdc;
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HRGN hrgn, hrgn_empty;
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HBITMAP hbmp;
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RECT rc;
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int ret;
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hdc = CreateCompatibleDC(0);
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hrgn_empty = CreateRectRgn(0, 0, 0, 0);
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hrgn = CreateRectRgn(0, 0, 0, 0);
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hbmp = CreateCompatibleBitmap(hdc, 100, 100);
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ret = GetClipRgn(hdc, hrgn);
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ok(ret == 0, "expected 0, got %d\n", ret);
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ret = ExtSelectClipRgn(hdc, hrgn_empty, RGN_DIFF);
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ok(ret == SIMPLEREGION, "expected SIMPLEREGION, got %d\n", ret);
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ret = GetClipRgn(hdc, hrgn);
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ok(ret == 1, "expected 1, got %d\n", ret);
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ret = GetRgnBox(hrgn, &rc);
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ok(ret == SIMPLEREGION, "expected SIMPLEREGION, got %d\n", ret);
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ok(rc.left == 0 && rc.top == 0 && rc.right == 1 && rc.bottom == 1,
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"expected 0,0-1,1, got %d,%d-%d,%d\n", rc.left, rc.top, rc.right, rc.bottom);
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ret = ExtSelectClipRgn(hdc, 0, RGN_COPY);
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ok(ret == SIMPLEREGION, "expected SIMPLEREGION, got %d\n", ret);
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ret = GetClipRgn(hdc, hrgn);
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ok(ret == 0, "expected 0, got %d\n", ret);
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SelectObject(hdc, hbmp);
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ret = ExtSelectClipRgn(hdc, hrgn_empty, RGN_DIFF);
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ok(ret == SIMPLEREGION, "expected SIMPLEREGION, got %d\n", ret);
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ret = GetClipRgn(hdc, hrgn);
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ok(ret == 1, "expected 1, got %d\n", ret);
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ret = GetRgnBox(hrgn, &rc);
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ok(ret == SIMPLEREGION, "expected SIMPLEREGION, got %d\n", ret);
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ok(rc.left == 0 && rc.top == 0 && rc.right == 100 && rc.bottom == 100,
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"expected 0,0-100,100, got %d,%d-%d,%d\n", rc.left, rc.top, rc.right, rc.bottom);
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DeleteDC(hdc);
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DeleteObject(hrgn);
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DeleteObject(hrgn_empty);
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DeleteObject(hbmp);
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}
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static void test_window_dc_clipping(void)
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{
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HDC hdc;
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HRGN hrgn, hrgn_empty;
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HWND hwnd;
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RECT rc;
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int ret, screen_width, screen_height;
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/* Windows versions earlier than Win2k do not support the virtual screen metrics,
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* so we fall back to the primary screen metrics. */
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screen_width = GetSystemMetrics(SM_CXVIRTUALSCREEN);
|
|
if(!screen_width) screen_width = GetSystemMetrics(SM_CXSCREEN);
|
|
screen_height = GetSystemMetrics(SM_CYVIRTUALSCREEN);
|
|
if(!screen_height) screen_height = GetSystemMetrics(SM_CYSCREEN);
|
|
|
|
trace("screen resolution %d x %d\n", screen_width, screen_height);
|
|
|
|
hwnd = CreateWindowExA(0, "static", NULL, WS_POPUP,
|
|
-100, -100, screen_width * 2, screen_height * 2, 0, 0, 0, NULL);
|
|
hdc = GetWindowDC(0);
|
|
hrgn_empty = CreateRectRgn(0, 0, 0, 0);
|
|
hrgn = CreateRectRgn(0, 0, 0, 0);
|
|
|
|
ret = GetClipRgn(hdc, hrgn);
|
|
ok(ret == 0, "expected 0, got %d\n", ret);
|
|
|
|
ret = ExtSelectClipRgn(hdc, hrgn_empty, RGN_DIFF);
|
|
ok(ret == SIMPLEREGION || (ret == COMPLEXREGION && GetSystemMetrics(SM_CMONITORS) > 1),
|
|
"expected SIMPLEREGION, got %d\n", ret);
|
|
|
|
ret = GetClipRgn(hdc, hrgn);
|
|
ok(ret == 1, "expected 1, got %d\n", ret);
|
|
|
|
ret = GetRgnBox(hrgn, &rc);
|
|
ok(ret == SIMPLEREGION, "expected SIMPLEREGION, got %d\n", ret);
|
|
ok(rc.left == 0 && rc.top == 0 && rc.right == screen_width && rc.bottom == screen_height,
|
|
"expected 0,0-%d,%d, got %d,%d-%d,%d\n", screen_width, screen_height,
|
|
rc.left, rc.top, rc.right, rc.bottom);
|
|
|
|
ret = ExtSelectClipRgn(hdc, 0, RGN_COPY);
|
|
ok(ret == SIMPLEREGION || (ret == COMPLEXREGION && GetSystemMetrics(SM_CMONITORS) > 1),
|
|
"expected SIMPLEREGION, got %d\n", ret);
|
|
|
|
ret = GetClipRgn(hdc, hrgn);
|
|
ok(ret == 0, "expected 0, got %d\n", ret);
|
|
|
|
DeleteDC(hdc);
|
|
DeleteObject(hrgn);
|
|
DeleteObject(hrgn_empty);
|
|
DestroyWindow(hwnd);
|
|
}
|
|
|
|
|
|
START_TEST(clipping)
|
|
{
|
|
test_GetRandomRgn();
|
|
test_ExtCreateRegion();
|
|
test_GetClipRgn();
|
|
test_memory_dc_clipping();
|
|
test_window_dc_clipping();
|
|
}
|