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reactos/modules/rostests/apitests/gdi32/CombineTransform.c

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/*
* PROJECT: ReactOS api tests
* LICENSE: GPL - See COPYING in the top level directory
* PURPOSE: Test for CombineTransform
* PROGRAMMERS: Timo Kreuzer
*/
#include "precomp.h"
typedef union
{
float e;
long l;
} FLT_LONG;
#define ok_flt(x, y) \
{ \
FLT_LONG __x, __y; \
__x.e = (x); \
__y.e = (y); \
if (_isnan(y)) {\
ok((__x.l == __y.l) || (__x.l == 0), "Wrong value for " #x ", expected " #y " (%f), got %f\n", (double)(y), (double)(x)); \
} else {\
ok(__x.l == __y.l, "Wrong value for " #x ", expected " #y " (%f), got %f\n", (double)(y), (double)(x)); \
} \
}
#define ok_xform(xform, m11, m12, m21, m22, dx, dy) \
ok_flt(xform.eM11, m11); \
ok_flt(xform.eM12, m12); \
ok_flt(xform.eM21, m21); \
ok_flt(xform.eM22, m22); \
ok_flt(xform.eDx, dx); \
ok_flt(xform.eDy, dy);
#define set_xform(pxform, m11, m12, m21, m22, dx, dy) \
(pxform)->eM11 = m11; \
(pxform)->eM12 = m12; \
(pxform)->eM21 = m21; \
(pxform)->eM22 = m22; \
(pxform)->eDx = dx; \
(pxform)->eDy = dy;
float geINF;
float geIND;
float geQNAN;
FLOAT
GetMaxValue(unsigned int Parameter, unsigned int Field)
{
XFORM xform1, xform2, xform3;
FLOAT fmin, fmax, fmid;
PFLOAT target;
if (Parameter == 0)
{
target = &xform1.eM11 + Field;
}
else
{
target = &xform2.eM11 + Field;
}
fmin = 0;
fmax = 4294967296.0f;
fmid = (fmin + fmax) / 2;
while (fmin < fmax)
{
fmid = (fmin + fmax) / 2;
//printf("fmin = %f, fmid = %f, fmax = %f\n", (double)fmin, (double)fmid, (double)fmax);
set_xform(&xform1, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
set_xform(&xform2, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
set_xform(&xform3, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
*target = fmid;
if (CombineTransform(&xform3, &xform1, &xform2))
{
if (fmid == fmin) break;
fmin = fmid;
}
else
{
if (fmid == fmax) break;
fmax = fmid;
}
}
//printf("fmin = %f, fmid = %f, fmax = %f\n", (double)fmin, (double)fmid, (double)fmax);
return fmin;
}
void Test_CombineTransform()
{
XFORM xform1, xform2, xform3;
BOOL IsWin64;
#ifndef _WIN64
BOOL IsWow64;
#endif
// TODO: Check results for ARM/ARM64
#ifdef _WIN64
IsWin64 = TRUE;
#else
IsWin64 = (IsWow64Process(GetCurrentProcess(), &IsWow64) && IsWow64);
#endif
/* Test NULL paramters */
set_xform(&xform1, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
set_xform(&xform2, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
SetLastError(ERROR_SUCCESS);
ok_int(CombineTransform(&xform3, &xform1, NULL), 0);
ok_int(CombineTransform(&xform3, NULL, &xform2), 0);
ok_int(CombineTransform(NULL, &xform1, &xform2), 0);
ok_int(GetLastError(), ERROR_SUCCESS);
/* 2 zero matrices */
set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
set_xform(&xform2, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
SetLastError(ERROR_SUCCESS);
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_xform(xform3, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
ok_int(GetLastError(), ERROR_SUCCESS);
/* 2 Identity matrices */
set_xform(&xform1, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
set_xform(&xform2, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
SetLastError(ERROR_SUCCESS);
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_xform(xform3, 1.0, 0., 0., 1.0, 0., 0.);
ok_int(GetLastError(), ERROR_SUCCESS);
/* 2 Identity matrices with offsets */
set_xform(&xform1, 1.0, 0.0, 0.0, 1.0, 20.0, -100.0);
set_xform(&xform2, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_xform(xform3, 1.0, 0., 0., 1.0, 20.0, -100.0);
xform2.eDx = -60.0;
xform2.eDy = -20;
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_flt(xform3.eDx, -40.0);
ok_flt(xform3.eDy, -120.0);
/* add some stretching */
xform2.eM11 = 2;
xform2.eM22 = 4;
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_xform(xform3, 2.0, 0., 0., 4.0, -20.0, -420.0);
/* add some more stretching */
xform1.eM11 = -2.5;
xform1.eM22 = 0.5;
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_xform(xform3, -5.0, 0., 0., 2.0, -20.0, -420.0);
xform1.eM12 = 2.0;
xform1.eM21 = -0.5;
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_xform(xform3, -5.0, 8.0, -1.0, 2.0, -20.0, -420.0);
xform2.eM12 = 4.0;
xform2.eM21 = 6.5;
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_xform(xform3, 8.0, -2.0, 2.25, 0.0, -670.0, -340.0);
if (IsWin64)
{
ok_flt(GetMaxValue(0, 0), 4294967296.0);
ok_flt(GetMaxValue(0, 1), 4294967296.0);
ok_flt(GetMaxValue(0, 2), 4294967296.0);
ok_flt(GetMaxValue(0, 3), 4294967296.0);
ok_flt(GetMaxValue(0, 4), 4294967040.0);
ok_flt(GetMaxValue(0, 5), 4294967040.0);
ok_flt(GetMaxValue(1, 0), 4294967296.0);
ok_flt(GetMaxValue(1, 1), 4294967296.0);
ok_flt(GetMaxValue(1, 2), 4294967296.0);
ok_flt(GetMaxValue(1, 3), 4294967296.0);
ok_flt(GetMaxValue(1, 4), 4294967296.0);
ok_flt(GetMaxValue(1, 5), 4294967296.0);
}
else
{
ok_flt(GetMaxValue(0, 0), 4294967296.0);
ok_flt(GetMaxValue(0, 1), 4294967296.0);
ok_flt(GetMaxValue(0, 2), 4294967296.0);
ok_flt(GetMaxValue(0, 3), 4294967296.0);
ok_flt(GetMaxValue(0, 4), 2147483520.0);
ok_flt(GetMaxValue(0, 5), 2147483520.0);
ok_flt(GetMaxValue(1, 0), 4294967296.0);
ok_flt(GetMaxValue(1, 1), 4294967296.0);
ok_flt(GetMaxValue(1, 2), 4294967296.0);
ok_flt(GetMaxValue(1, 3), 4294967296.0);
ok_flt(GetMaxValue(1, 4), 4294967296.0);
ok_flt(GetMaxValue(1, 5), 4294967296.0);
}
/* Some undefined values */
set_xform(&xform1, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
set_xform(&xform2, geIND, 0.0, 0.0, geINF, 0.0, 0.0);
SetLastError(ERROR_SUCCESS);
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_xform(xform3, geIND, 0.0, 0.0, geINF, 0.0, 0.0);
ok_int(GetLastError(), ERROR_SUCCESS);
set_xform(&xform1, geIND, 0.0, 0.0, geINF, 0.0, 0.0);
set_xform(&xform2, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0);
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_xform(xform3, geIND, geIND, geINF, geINF, 0.0, 0.0);
ok_int(GetLastError(), ERROR_SUCCESS);
set_xform(&xform1, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0);
set_xform(&xform2, geIND, 0.0, 0.0, geINF, 0.0, 0.0);
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_xform(xform3, geIND, geINF, geIND, geINF, 0.0, 0.0);
ok_int(GetLastError(), ERROR_SUCCESS);
set_xform(&xform1, (FLOAT)18446743500000000000.0, 0.0, 1.0, 0.0, 0.0, 0.0);
xform2 = xform1;
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_flt(xform3.eM11, 340282326356119260000000000000000000000.0);
xform1.eM11 = (FLOAT)18446745000000000000.0;
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_flt(xform3.eM11, 340282346638528860000000000000000000000.0);
xform1.eM11 = (FLOAT)18446746000000000000.0;
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_long(*(DWORD*)&xform3.eM11, IsWin64 ? 0x7f800000 : 0x7f800001);
/* zero matrix + 1 invalid */
set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
set_xform(&xform2, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
*(DWORD*)&xform2.eM22 = 0x7f800000; // (0.0F/0.0F)
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_xform(xform3, 0.0, 0.0, 0.0, geIND, 0.0, 0.0);
/* zero matrix + 1 invalid */
xform2 = xform1;
*(DWORD*)&xform2.eM12 = 0x7f800000; // (0.0F/0.0F)
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_xform(xform3, 0.0, geIND, 0.0, geIND, 0.0, 0.0);
/* Some undefined values */
set_xform(&xform1, 0.0, geIND, 0.0, 0.0, 0.0, 0.0);
set_xform(&xform2, geIND, 0.0, 0.0, geINF, 0.0, 0.0);
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_xform(xform3, IsWin64 ? geIND : 0.000000, IsWin64 ? geIND : -1.500000, geIND, geIND, 0.0, 0.0);
}
void Test_CombineTransform_Inval(float eInval, float eOut)
{
XFORM xform1, xform2, xform3;
/* zero matrix / M11 invalid */
set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
set_xform(&xform2, eInval, 0.0, 0.0, 0.0, 0.0, 0.0);
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_xform(xform3, eOut, 0.0, 0.0, 0.0, 0.0, 0.0); // -> M21
ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
ok_xform(xform3, eOut, 0.0, 0.0, 0.0, 0.0, 0.0); // -> M12
/* zero matrix / M12 invalid */
set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
set_xform(&xform2, 0.0, eInval, 0.0, 0.0, 0.0, 0.0);
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_xform(xform3, 0.0, eOut, 0.0, eOut, 0.0, 0.0);
ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
ok_xform(xform3, eOut, eOut, 0.0, 0.0, 0.0, 0.0);
/* zero matrix / M21 invalid */
set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
set_xform(&xform2, 0.0, 0.0, eInval, 0.0, 0.0, 0.0);
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_xform(xform3, eOut, 0.0, eOut, 0.0, 0.0, 0.0);
ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
ok_xform(xform3, 0.0, 0.0, eOut, eOut, 0.0, 0.0);
/* zero matrix / M22 invalid */
set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
set_xform(&xform2, 0.0, 0.0, 0.0, eInval, 0.0, 0.0);
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_xform(xform3, 0.0, 0.0, 0.0, eOut, 0.0, 0.0); // -> M12
ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
ok_xform(xform3, 0.0, 0.0, 0.0, eOut, 0.0, 0.0); // -> M21
/* zero matrix / M11,M12 invalid */
set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
set_xform(&xform2, eInval, eInval, 0.0, 0.0, 0.0, 0.0);
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_xform(xform3, eOut, eOut, eOut, eOut, 0.0, 0.0);
ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
ok_xform(xform3, eOut, eOut, 0.0, 0.0, 0.0, 0.0);
/* zero matrix / M11,M21 invalid */
set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
set_xform(&xform2, eInval, 0.0, eInval, 0.0, 0.0, 0.0);
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_xform(xform3, eOut, 0.0, eOut, 0.0, 0.0, 0.0);
ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
ok_xform(xform3, eOut, eOut, eOut, eOut, 0.0, 0.0);
/* zero matrix / M11,M22 invalid */
set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
set_xform(&xform2, eInval, 0.0, 0.0, eInval, 0.0, 0.0);
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_xform(xform3, eOut, 0.0, 0.0, eOut, 0.0, 0.0); // -> M12, M21
ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
ok_xform(xform3, eOut, 0.0, 0.0, eOut, 0.0, 0.0);
/* zero matrix / M12,M21 invalid */
set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
set_xform(&xform2, 0.0, eInval, eInval, 0.0, 0.0, 0.0);
ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
ok_xform(xform3, eOut, eOut, eOut, eOut, 0.0, 0.0);
ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
ok_xform(xform3, eOut, eOut, eOut, eOut, 0.0, 0.0);
}
START_TEST(CombineTransform)
{
*(DWORD*)&geINF = 0x7f800000;
*(DWORD*)&geIND = 0xffc00000;
*(DWORD*)&geQNAN = 0x7fc00000;
Test_CombineTransform();
Test_CombineTransform_Inval(geINF, geIND);
Test_CombineTransform_Inval(geIND, geIND);
Test_CombineTransform_Inval(geQNAN, geQNAN);
}
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