rostests/apitests/gdi32/ExtCreateRegion.c

   1 /*
   2  * PROJECT:         ReactOS api tests
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * PURPOSE:         Test for ExtCeateRegion
   5  * PROGRAMMERS:     Timo Kreuzer
   6  */
   7
   8 #include <apitest.h>
   9
  10 #include <windows.h>
  11 #include <math.h>
  12
  13 VOID
  14 InitXFORM(
  15     PXFORM pxform,
  16     FLOAT eM11,
  17     FLOAT eM12,
  18     FLOAT eM21,
  19     FLOAT eM22,
  20     FLOAT eDx,
  21     FLOAT eDy)
  22 {
  23     pxform->eM11 = eM11;
  24     pxform->eM12 = eM12;
  25     pxform->eM21 = eM21;
  26     pxform->eM22 = eM22;
  27     pxform->eDx = eDx;
  28     pxform->eDy = eDy;
  29 }
  30
  31 #if 0
  32 void Test_ExtCreateRegion_Parameters()
  33 {
  34     hrgn = ExtCreateRegion(NULL, 1, pRgnData);
  35     ok(hrgn != NULL, "ExtCreateRegion failed \n");
  36 }
  37 #endif // 0
  38
  39 #define CheckRect(prect, _left, _top, _right, _bottom) \
  40 do { \
  41     ok(((prect)->left == _left) && ((prect)->top == _top) && \
  42        ((prect)->right == _right) && ((prect)->bottom == _bottom), \
  43        "Region does not match, expected (%ld,%ld,%ld,%ld) got (%ld,%ld,%ld,%ld)\n", \
  44        _left, _top, _right, _bottom, \
  45        (prect)->left, (prect)->top, (prect)->right, (prect)->bottom); \
  46 } while (0)
  47
  48 #define CheckRectRegion(hrgn, _left, _top, _right, _bottom) \
  49 do { \
  50     HRGN hrgnTemp = CreateRectRgn(_left, _top, _right, _bottom); \
  51     RECT rcTemp; \
  52     ok(GetRgnBox(hrgn, &rcTemp) == SIMPLEREGION, "Region is not SIMPLEREGION\n"); \
  53     CheckRect(&rcTemp, _left, _top, _right, _bottom); \
  54     ok(EqualRgn(hrgn, hrgnTemp), "Region does not match\n"); \
  55     DeleteObject(hrgnTemp); \
  56 } while (0)
  57
  58 void Test_ExtCreateRegion_Transform()
  59 {
  60     struct
  61     {
  62         RGNDATA rgndata;
  63         CHAR data[sizeof(RECT) - 1];
  64     } RgnDataBuffer;
  65     PRECT prect = (PRECT)&RgnDataBuffer.rgndata.Buffer;
  66     const RGNDATA *pRgnData = (const RGNDATA *)&RgnDataBuffer;
  67     XFORM xform;
  68     FLOAT eAngle;
  69     HRGN hrgn;
  70     RECT rcTemp;
  71
  72     RgnDataBuffer.rgndata.rdh.dwSize = sizeof(RGNDATAHEADER);
  73     RgnDataBuffer.rgndata.rdh.iType = RDH_RECTANGLES;
  74     RgnDataBuffer.rgndata.rdh.nCount = 1;
  75     RgnDataBuffer.rgndata.rdh.nRgnSize = sizeof(RGNDATAHEADER) + sizeof(RECT);
  76     RgnDataBuffer.rgndata.rdh.rcBound.left = 0;
  77     RgnDataBuffer.rgndata.rdh.rcBound.top = 0;
  78     RgnDataBuffer.rgndata.rdh.rcBound.right = 10;
  79     RgnDataBuffer.rgndata.rdh.rcBound.bottom = 10;
  80     prect->left = 0;
  81     prect->top = 0;
  82     prect->right = 10;
  83     prect->bottom = 10;
  84
  85     SetRectEmpty(&RgnDataBuffer.rgndata.rdh.rcBound);
  86
  87     hrgn = ExtCreateRegion(NULL, sizeof(RgnDataBuffer), pRgnData);
  88     ok(hrgn != NULL, "ExtCreateRegion failed with without transform\n");
  89     CheckRectRegion(hrgn, 0, 0, 10, 10);
  90
  91     InitXFORM(&xform, 1., 0., 0., 1., 0., 0.);
  92     hrgn = ExtCreateRegion(&xform, sizeof(RgnDataBuffer), pRgnData);
  93     ok(hrgn != NULL, "ExtCreateRegion failed with identity transform\n");
  94     CheckRectRegion(hrgn, 0, 0, 10, 10);
  95
  96     InitXFORM(&xform, 1., 0., 0., 1., 10., 10.);
  97     hrgn = ExtCreateRegion(&xform, sizeof(RgnDataBuffer), pRgnData);
  98     ok(hrgn != NULL, "ExtCreateRegion failed with offset transform\n");
  99     CheckRectRegion(hrgn, 10, 10, 20, 20);
 100
 101     InitXFORM(&xform, 2.5, 0., 0., 1.5, 0., 0.);
 102     hrgn = ExtCreateRegion(&xform, sizeof(RgnDataBuffer), pRgnData);
 103     ok(hrgn != NULL, "ExtCreateRegion failed with scaling transform\n");
 104     CheckRectRegion(hrgn, 0, 0, 25, 15);
 105
 106     InitXFORM(&xform, 2.5, 0., 0., 1.5, 20., 40.);
 107     hrgn = ExtCreateRegion(&xform, sizeof(RgnDataBuffer), pRgnData);
 108     ok(hrgn != NULL, "ExtCreateRegion failed with scaling+offset transform\n");
 109     CheckRectRegion(hrgn, 20, 40, 45, 55);
 110
 111     InitXFORM(&xform, 1., 10., 0., 1., 0., 0.);
 112     hrgn = ExtCreateRegion(&xform, sizeof(RgnDataBuffer), pRgnData);
 113     ok(hrgn != NULL, "ExtCreateRegion failed with shearing transform\n");
 114     ok(GetRgnBox(hrgn, &rcTemp) == COMPLEXREGION, "not a complex region\n");
 115     CheckRect(&rcTemp, 0, 1, 10, 101);
 116
 117     eAngle = 23.6f;
 118     InitXFORM(&xform, cosf(eAngle), -sinf(eAngle), sinf(eAngle), cosf(eAngle), 10., 10.);
 119     hrgn = ExtCreateRegion(&xform, sizeof(RgnDataBuffer), pRgnData);
 120     ok(hrgn != NULL, "ExtCreateRegion failed with rotating transform\n");
 121     CheckRectRegion(hrgn, 0, 10, 10, 20);
 122
 123 }
 124
 125 START_TEST(ExtCreateRegion)
 126 {
 127     Test_ExtCreateRegion_Transform();
 128 }
 129