mirror of
https://github.com/reactos/reactos.git
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130 lines
3.6 KiB
C
130 lines
3.6 KiB
C
/*
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* PROJECT: ReactOS api tests
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* LICENSE: GPL - See COPYING in the top level directory
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* PURPOSE: Test for GetClipBox
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* PROGRAMMERS: Timo Kreuzer
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*/
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#include "precomp.h"
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void Test_GetClipBox()
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{
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HWND hWnd;
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HDC hdc;
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RECT rect;
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HRGN hrgn, hrgn2;
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int ret;
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/* Create a window */
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hWnd = CreateWindowW(L"BUTTON", L"TestWindow", WS_OVERLAPPEDWINDOW | WS_VISIBLE,
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CW_USEDEFAULT, CW_USEDEFAULT, 100, 100,
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NULL, NULL, 0, 0);
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ok(hWnd != NULL, "CreateWindowW failed\n");
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if (hWnd == NULL)
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{
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return;
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}
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hdc = GetDC(hWnd);
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/* Test invalid DC */
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SetLastError(ERROR_SUCCESS);
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ret = GetClipBox((HDC)0x12345, &rect);
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ok(ret == ERROR, "Expected ERROR, got %d\n", ret);
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ok((GetLastError() == 0) || (GetLastError() == ERROR_INVALID_HANDLE), "Expected 0, got %ld\n", GetLastError());
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//ret = GetClipBox(hdc, &rect);
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//ok_int(ret, SIMPLEREGION);
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//ok_rect(&rect, 0, 0, 132, 68);
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/* Create a clip region */
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hrgn = CreateRectRgn(5, 7, 50, 50);
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SelectClipRgn(hdc, hrgn);
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DeleteObject(hrgn);
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ret = GetClipBox(hdc, &rect);
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ok_int(ret, SIMPLEREGION);
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ok_rect(&rect, 5, 7, 50, 50);
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/* Set clip region as meta region */
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SetMetaRgn(hdc);
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/* Create a new clip region */
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hrgn = CreateRectRgn(10, 10, 100, 100);
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SelectClipRgn(hdc, hrgn);
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DeleteObject(hrgn);
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ret = GetClipBox(hdc, &rect);
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ok_int(ret, SIMPLEREGION);
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ok_rect(&rect, 10, 10, 50, 50);
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/* Create an empty clip region */
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hrgn = CreateRectRgn(10, 10, 10, 30);
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SelectClipRgn(hdc, hrgn);
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DeleteObject(hrgn);
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ret = GetClipBox(hdc, &rect);
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ok_int(ret, NULLREGION);
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ok_rect(&rect, 0, 0, 0, 0);
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/* Create a complex region */
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hrgn = CreateRectRgn(10, 10, 30, 30);
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hrgn2 = CreateRectRgn(20, 20, 60, 60);
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ok_int(CombineRgn(hrgn, hrgn, hrgn2, RGN_OR), COMPLEXREGION);
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SelectClipRgn(hdc, hrgn);
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DeleteObject(hrgn2);
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ret = GetClipBox(hdc, &rect);
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ok_int(ret, COMPLEXREGION);
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ok_rect(&rect, 10, 10, 50, 50);
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/* Set scaling but keep the mapping mode (viewport should not be changed) */
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ok_int(SetViewportExtEx(hdc, 1000, 1000, NULL), 1);
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ret = GetClipBox(hdc, &rect);
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ok_int(ret, COMPLEXREGION);
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ok_rect(&rect, 10, 10, 50, 50);
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/* Set unisotropic mode, ClipBox should be unchanged */
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ok_int(SetMapMode(hdc, MM_ANISOTROPIC), 1);
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ret = GetClipBox(hdc, &rect);
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ok_int(ret, COMPLEXREGION);
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ok_rect(&rect, 10, 10, 50, 50);
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/* Now set viewport again */
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ok_int(SetViewportExtEx(hdc, 200, 400, NULL), 1);
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ret = GetClipBox(hdc, &rect);
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ok_int(ret, COMPLEXREGION); // obviously some special secret feature...
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ok_rect(&rect, 0, 0, 0, 0);
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/* Reset clip region */
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SelectClipRgn(hdc, NULL);
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SetMetaRgn(hdc);
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ret = GetClipBox(hdc, &rect);
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ok_int(ret, SIMPLEREGION);
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ok_rect(&rect, 0, 0, 0, 0);
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hrgn = CreateRectRgn(10, 10, 190, 190);
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SelectClipRgn(hdc, hrgn);
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ret = GetClipBox(hdc, &rect);
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ok_int(ret, SIMPLEREGION);
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ok_rect(&rect, 0, 0, 0, 0);
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/* Now also set the window extension */
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ok_int(SetWindowExtEx(hdc, 400, 600, NULL), 1);
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ret = GetClipBox(hdc, &rect);
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ok_int(ret, SIMPLEREGION);
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ok_rect(&rect, 20, 15, 100, 75);
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hrgn = CreateRectRgn(30, 30, 300, 300);
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SelectClipRgn(hdc, hrgn);
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SetMetaRgn(hdc);
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ret = GetClipBox(hdc, &rect);
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ok_int(ret, SIMPLEREGION);
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ok_rect(&rect, 60, 45, 100, 75);
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ReleaseDC(hWnd, hdc);
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DestroyWindow(hWnd);
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}
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START_TEST(GetClipBox)
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{
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Test_GetClipBox();
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}
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