modules/rostests/apitests/gdi32/OffsetClipRgn.c

   1 /*
   2  * PROJECT:         ReactOS api tests
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * PURPOSE:         Test for OffsetClipRgn
   5  * PROGRAMMERS:     Timo Kreuzer
   6  */
   7
   8 #include "precomp.h"
   9
  10 void Test_OffsetClipRgn()
  11 {
  12     HDC hdc;
  13     HRGN hrgn, hrgn2;
  14     //RECT rect;
  15
  16     hdc = CreateCompatibleDC(NULL);
  17     ok(hdc != 0, "CreateCompatibleDC failed, skipping tests.\n");
  18     if (!hdc) return;
  19
  20     hrgn2 = CreateRectRgn(0, 0, 0, 0);
  21
  22     /* Test NULL DC */
  23     SetLastError(0x12345);
  24     ok_int(OffsetClipRgn(NULL, 0, 0), ERROR);
  25     ok_int(GetLastError(), ERROR_INVALID_HANDLE);
  26
  27     /* Test invalid DC */
  28     SetLastError(0x12345);
  29     ok_int(OffsetClipRgn((HDC)(ULONG_PTR)0x12345, 0, 0), ERROR);
  30     ok((GetLastError() == 0x12345) || (GetLastError() == ERROR_INVALID_HANDLE), "Expected 0x12345 or ERROR_INVALID_HANDLE, got %ld\n", GetLastError());
  31     SetLastError(0x12345);
  32
  33     /* Test without a clip region set */
  34     SetLastError(0x12345);
  35     ok_int(SelectClipRgn(hdc, NULL), SIMPLEREGION);
  36     ok_int(OffsetClipRgn(hdc, 0, 0), SIMPLEREGION);
  37     ok_int(GetLastError(), 0x12345);
  38     SetLastError(0x12345);
  39
  40     /* Set a clip region */
  41     hrgn = CreateRectRgn(10, 10, 20, 30);
  42     ok_int(SelectClipRgn(hdc, hrgn), NULLREGION);
  43     DeleteObject(hrgn);
  44     ok_int(OffsetClipRgn(hdc, 10, 10), SIMPLEREGION);
  45     ok_int(GetRandomRgn(hdc, hrgn2, CLIPRGN), 1);
  46     hrgn = CreateRectRgn(20, 20, 30, 40);
  47     ok_int(EqualRgn(hrgn, hrgn2), TRUE);
  48
  49     /* Set different scaling */
  50     SetMapMode(hdc, MM_ANISOTROPIC);
  51     ok_int(SetViewportExtEx(hdc, 100, 100, NULL), 1);
  52     ok_int(SetWindowExtEx(hdc, 200, 50, NULL), 1);
  53     ok_int(OffsetClipRgn(hdc, 10, 10), SIMPLEREGION);
  54     ok_int(GetRandomRgn(hdc, hrgn2, CLIPRGN), 1);
  55     hrgn = CreateRectRgn(25, 40, 35, 60);
  56     ok_int(EqualRgn(hrgn, hrgn2), TRUE);
  57
  58 #if 0
  59     /* Set different scaling */
  60     SetMapMode(hdc, MM_ANISOTROPIC);
  61     ok_int(SetViewportExtEx(hdc, 100, 100, NULL), 1);
  62     ok_int(SetWindowExtEx(hdc, 80, 350, NULL), 1);
  63     ok_int(OffsetClipRgn(hdc, 10, 10), SIMPLEREGION);
  64     ok_int(GetRandomRgn(hdc, hrgn2, CLIPRGN), 1);
  65     hrgn = CreateRectRgn(33, 23, 43, 43);
  66     ok_int(EqualRgn(hrgn, hrgn2), TRUE);
  67 #endif
  68
  69     ok_int(GetLastError(), 0x12345);
  70
  71 }
  72
  73 START_TEST(OffsetClipRgn)
  74 {
  75     Test_OffsetClipRgn();
  76 }