reactos/rostests/apitests/gdi32/ExtCreateRegion.c

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/*
* PROJECT: ReactOS api tests
* LICENSE: GPL - See COPYING in the top level directory
* PURPOSE: Test for ExtCeateRegion
* PROGRAMMERS: Timo Kreuzer
*/
#include <apitest.h>
#include <windows.h>
#include <math.h>
VOID
InitXFORM(
PXFORM pxform,
FLOAT eM11,
FLOAT eM12,
FLOAT eM21,
FLOAT eM22,
FLOAT eDx,
FLOAT eDy)
{
pxform->eM11 = eM11;
pxform->eM12 = eM12;
pxform->eM21 = eM21;
pxform->eM22 = eM22;
pxform->eDx = eDx;
pxform->eDy = eDy;
}
#if 0
void Test_ExtCreateRegion_Parameters()
{
hrgn = ExtCreateRegion(NULL, 1, pRgnData);
ok(hrgn != NULL, "ExtCreateRegion failed \n");
}
#endif // 0
#define CheckRect(prect, _left, _top, _right, _bottom) \
do { \
ok(((prect)->left == _left) && ((prect)->top == _top) && \
((prect)->right == _right) && ((prect)->bottom == _bottom), \
"Region does not match, expected (%d,%d,%d,%d) got (%ld,%ld,%ld,%ld)\n", \
_left, _top, _right, _bottom, \
(prect)->left, (prect)->top, (prect)->right, (prect)->bottom); \
} while (0)
#define CheckRectRegion(hrgn, _left, _top, _right, _bottom) \
do { \
HRGN hrgnTemp = CreateRectRgn(_left, _top, _right, _bottom); \
RECT rcTemp; \
ok(GetRgnBox(hrgn, &rcTemp) == SIMPLEREGION, "Region is not SIMPLEREGION\n"); \
CheckRect(&rcTemp, _left, _top, _right, _bottom); \
ok(EqualRgn(hrgn, hrgnTemp), "Region does not match\n"); \
DeleteObject(hrgnTemp); \
} while (0)
void Test_ExtCreateRegion_Transform()
{
struct
{
RGNDATA rgndata;
CHAR data[sizeof(RECT) - 1];
} RgnDataBuffer;
PRECT prect = (PRECT)&RgnDataBuffer.rgndata.Buffer;
const RGNDATA *pRgnData = (const RGNDATA *)&RgnDataBuffer;
XFORM xform;
FLOAT eAngle;
HRGN hrgn;
RECT rcTemp;
RgnDataBuffer.rgndata.rdh.dwSize = sizeof(RGNDATAHEADER);
RgnDataBuffer.rgndata.rdh.iType = RDH_RECTANGLES;
RgnDataBuffer.rgndata.rdh.nCount = 1;
RgnDataBuffer.rgndata.rdh.nRgnSize = sizeof(RGNDATAHEADER) + sizeof(RECT);
RgnDataBuffer.rgndata.rdh.rcBound.left = 0;
RgnDataBuffer.rgndata.rdh.rcBound.top = 0;
RgnDataBuffer.rgndata.rdh.rcBound.right = 10;
RgnDataBuffer.rgndata.rdh.rcBound.bottom = 10;
prect->left = 0;
prect->top = 0;
prect->right = 10;
prect->bottom = 10;
SetRectEmpty(&RgnDataBuffer.rgndata.rdh.rcBound);
hrgn = ExtCreateRegion(NULL, sizeof(RgnDataBuffer), pRgnData);
ok(hrgn != NULL, "ExtCreateRegion failed with without transform\n");
CheckRectRegion(hrgn, 0, 0, 10, 10);
InitXFORM(&xform, 1., 0., 0., 1., 0., 0.);
hrgn = ExtCreateRegion(&xform, sizeof(RgnDataBuffer), pRgnData);
ok(hrgn != NULL, "ExtCreateRegion failed with identity transform\n");
CheckRectRegion(hrgn, 0, 0, 10, 10);
InitXFORM(&xform, 1., 0., 0., 1., 10., 10.);
hrgn = ExtCreateRegion(&xform, sizeof(RgnDataBuffer), pRgnData);
ok(hrgn != NULL, "ExtCreateRegion failed with offset transform\n");
CheckRectRegion(hrgn, 10, 10, 20, 20);
InitXFORM(&xform, 2.5, 0., 0., 1.5, 0., 0.);
hrgn = ExtCreateRegion(&xform, sizeof(RgnDataBuffer), pRgnData);
ok(hrgn != NULL, "ExtCreateRegion failed with scaling transform\n");
CheckRectRegion(hrgn, 0, 0, 25, 15);
InitXFORM(&xform, 2.5, 0., 0., 1.5, 20., 40.);
hrgn = ExtCreateRegion(&xform, sizeof(RgnDataBuffer), pRgnData);
ok(hrgn != NULL, "ExtCreateRegion failed with scaling+offset transform\n");
CheckRectRegion(hrgn, 20, 40, 45, 55);
InitXFORM(&xform, 1., 10., 0., 1., 0., 0.);
hrgn = ExtCreateRegion(&xform, sizeof(RgnDataBuffer), pRgnData);
ok(hrgn != NULL, "ExtCreateRegion failed with shearing transform\n");
ok(GetRgnBox(hrgn, &rcTemp) == COMPLEXREGION, "not a complex region\n");
CheckRect(&rcTemp, 0, 1, 10, 101);
eAngle = 23.6f;
InitXFORM(&xform, cosf(eAngle), -sinf(eAngle), sinf(eAngle), cosf(eAngle), 10., 10.);
hrgn = ExtCreateRegion(&xform, sizeof(RgnDataBuffer), pRgnData);
ok(hrgn != NULL, "ExtCreateRegion failed with rotating transform\n");
CheckRectRegion(hrgn, 0, 10, 10, 20);
}
START_TEST(ExtCreateRegion)
{
Test_ExtCreateRegion_Transform();
}