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 <apitest.h>
   9 #include <wingdi.h>
  10
  11 #define CLIPRGN 1
  12
  13 void Test_OffsetClipRgn()
  14 {
  15     HDC hdc;
  16     HRGN hrgn, hrgn2;
  17     //RECT rect;
  18
  19     hdc = CreateCompatibleDC(NULL);
  20     ok(hdc != 0, "CreateCompatibleDC failed, skipping tests.\n");
  21     if (!hdc) return;
  22
  23     hrgn2 = CreateRectRgn(0, 0, 0, 0);
  24
  25     /* Test NULL DC */
  26     SetLastError(0x12345);
  27     ok_int(OffsetClipRgn(NULL, 0, 0), ERROR);
  28     ok_int(GetLastError(), ERROR_INVALID_HANDLE);
  29
  30     /* Test invalid DC */
  31     SetLastError(0x12345);
  32     ok_int(OffsetClipRgn((HDC)(ULONG_PTR)0x12345, 0, 0), ERROR);
  33     ok_int(GetLastError(), 0x12345);
  34     SetLastError(0x12345);
  35
  36     /* Test without a clip region set */
  37     SetLastError(0x12345);
  38     ok_int(SelectClipRgn(hdc, NULL), SIMPLEREGION);
  39     ok_int(OffsetClipRgn(hdc, 0, 0), SIMPLEREGION);
  40     ok_int(GetLastError(), 0x12345);
  41     SetLastError(0x12345);
  42
  43     /* Set a clip region */
  44     hrgn = CreateRectRgn(10, 10, 20, 30);
  45     ok_int(SelectClipRgn(hdc, hrgn), NULLREGION);
  46     DeleteObject(hrgn);
  47     ok_int(OffsetClipRgn(hdc, 10, 10), SIMPLEREGION);
  48     ok_int(GetRandomRgn(hdc, hrgn2, CLIPRGN), 1);
  49     hrgn = CreateRectRgn(20, 20, 30, 40);
  50     ok_int(EqualRgn(hrgn, hrgn2), TRUE);
  51
  52     /* Set different scaling */
  53     SetMapMode(hdc, MM_ANISOTROPIC);
  54     ok_int(SetViewportExtEx(hdc, 100, 100, NULL), 1);
  55     ok_int(SetWindowExtEx(hdc, 200, 50, NULL), 1);
  56     ok_int(OffsetClipRgn(hdc, 10, 10), SIMPLEREGION);
  57     ok_int(GetRandomRgn(hdc, hrgn2, CLIPRGN), 1);
  58     hrgn = CreateRectRgn(25, 40, 35, 60);
  59     ok_int(EqualRgn(hrgn, hrgn2), TRUE);
  60
  61 #if 0
  62     /* Set different scaling */
  63     SetMapMode(hdc, MM_ANISOTROPIC);
  64     ok_int(SetViewportExtEx(hdc, 100, 100, NULL), 1);
  65     ok_int(SetWindowExtEx(hdc, 80, 350, NULL), 1);
  66     ok_int(OffsetClipRgn(hdc, 10, 10), SIMPLEREGION);
  67     ok_int(GetRandomRgn(hdc, hrgn2, CLIPRGN), 1);
  68     hrgn = CreateRectRgn(33, 23, 43, 43);
  69     ok_int(EqualRgn(hrgn, hrgn2), TRUE);
  70 #endif
  71
  72     ok_int(GetLastError(), 0x12345);
  73
  74 }
  75
  76 START_TEST(OffsetClipRgn)
  77 {
  78     Test_OffsetClipRgn();
  79 }