ReactOS  0.4.15-dev-4922-ge8ccc85
CombineTransform.c
Go to the documentation of this file.
1 /*
2  * PROJECT: ReactOS api tests
3  * LICENSE: GPL - See COPYING in the top level directory
4  * PURPOSE: Test for CombineTransform
5  * PROGRAMMERS: Timo Kreuzer
6  */
7 
8 #include "precomp.h"
9 
10 typedef union
11 {
12  float e;
13  long l;
14 } FLT_LONG;
15 
16 #define ok_flt(x, y) \
17 { \
18  FLT_LONG __x, __y; \
19  __x.e = (x); \
20  __y.e = (y); \
21  if (_isnan(y)) {\
22  ok((__x.l == __y.l) || (__x.l == 0), "Wrong value for " #x ", expected " #y " (%f), got %f\n", (double)(y), (double)(x)); \
23  } else {\
24  ok(__x.l == __y.l, "Wrong value for " #x ", expected " #y " (%f), got %f\n", (double)(y), (double)(x)); \
25  } \
26 }
27 
28 #define ok_xform(xform, m11, m12, m21, m22, dx, dy) \
29  ok_flt(xform.eM11, m11); \
30  ok_flt(xform.eM12, m12); \
31  ok_flt(xform.eM21, m21); \
32  ok_flt(xform.eM22, m22); \
33  ok_flt(xform.eDx, dx); \
34  ok_flt(xform.eDy, dy);
35 
36 #define set_xform(pxform, m11, m12, m21, m22, dx, dy) \
37  (pxform)->eM11 = m11; \
38  (pxform)->eM12 = m12; \
39  (pxform)->eM21 = m21; \
40  (pxform)->eM22 = m22; \
41  (pxform)->eDx = dx; \
42  (pxform)->eDy = dy;
43 
44 float geINF;
45 float geIND;
46 float geQNAN;
47 
48 FLOAT
49 GetMaxValue(unsigned int Parameter, unsigned int Field)
50 {
51  XFORM xform1, xform2, xform3;
52  FLOAT fmin, fmax, fmid;
53  PFLOAT target;
54 
55  if (Parameter == 0)
56  {
57  target = &xform1.eM11 + Field;
58  }
59  else
60  {
61  target = &xform2.eM11 + Field;
62  }
63 
64  fmin = 0;
65  fmax = 4294967296.0f;
66  fmid = (fmin + fmax) / 2;
67  while (fmin < fmax)
68  {
69  fmid = (fmin + fmax) / 2;
70 
71  //printf("fmin = %f, fmid = %f, fmax = %f\n", (double)fmin, (double)fmid, (double)fmax);
72  set_xform(&xform1, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
73  set_xform(&xform2, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
74  set_xform(&xform3, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
75  *target = fmid;
76 
77  if (CombineTransform(&xform3, &xform1, &xform2))
78  {
79  if (fmid == fmin) break;
80  fmin = fmid;
81  }
82  else
83  {
84  if (fmid == fmax) break;
85  fmax = fmid;
86  }
87  }
88  //printf("fmin = %f, fmid = %f, fmax = %f\n", (double)fmin, (double)fmid, (double)fmax);
89  return fmin;
90 }
91 
92 
93 void Test_CombineTransform()
94 {
95  XFORM xform1, xform2, xform3;
96  BOOL IsWow64;
97 
98  /* Test NULL paramters */
99  set_xform(&xform1, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
100  set_xform(&xform2, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
101  SetLastError(ERROR_SUCCESS);
102  ok_int(CombineTransform(&xform3, &xform1, NULL), 0);
103  ok_int(CombineTransform(&xform3, NULL, &xform2), 0);
104  ok_int(CombineTransform(NULL, &xform1, &xform2), 0);
105  ok_int(GetLastError(), ERROR_SUCCESS);
106 
107  /* 2 zero matrices */
108  set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
109  set_xform(&xform2, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
110  SetLastError(ERROR_SUCCESS);
111  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
112  ok_xform(xform3, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
113  ok_int(GetLastError(), ERROR_SUCCESS);
114 
115  /* 2 Identity matrices */
116  set_xform(&xform1, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
117  set_xform(&xform2, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
118  SetLastError(ERROR_SUCCESS);
119  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
120  ok_xform(xform3, 1.0, 0., 0., 1.0, 0., 0.);
121  ok_int(GetLastError(), ERROR_SUCCESS);
122 
123  /* 2 Identity matrices with offsets */
124  set_xform(&xform1, 1.0, 0.0, 0.0, 1.0, 20.0, -100.0);
125  set_xform(&xform2, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
126  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
127  ok_xform(xform3, 1.0, 0., 0., 1.0, 20.0, -100.0);
128 
129  xform2.eDx = -60.0;
130  xform2.eDy = -20;
131  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
132  ok_flt(xform3.eDx, -40.0);
133  ok_flt(xform3.eDy, -120.0);
134 
135  /* add some stretching */
136  xform2.eM11 = 2;
137  xform2.eM22 = 4;
138  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
139  ok_xform(xform3, 2.0, 0., 0., 4.0, -20.0, -420.0);
140 
141  /* add some more stretching */
142  xform1.eM11 = -2.5;
143  xform1.eM22 = 0.5;
144  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
145  ok_xform(xform3, -5.0, 0., 0., 2.0, -20.0, -420.0);
146 
147  xform1.eM12 = 2.0;
148  xform1.eM21 = -0.5;
149  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
150  ok_xform(xform3, -5.0, 8.0, -1.0, 2.0, -20.0, -420.0);
151 
152  xform2.eM12 = 4.0;
153  xform2.eM21 = 6.5;
154  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
155  ok_xform(xform3, 8.0, -2.0, 2.25, 0.0, -670.0, -340.0);
156 
157  if (IsWow64Process(GetCurrentProcess(), &IsWow64) && IsWow64)
158  {
159  ok_flt(GetMaxValue(0, 0), 4294967296.0);
160  ok_flt(GetMaxValue(0, 1), 4294967296.0);
161  ok_flt(GetMaxValue(0, 2), 4294967296.0);
162  ok_flt(GetMaxValue(0, 3), 4294967296.0);
163  ok_flt(GetMaxValue(0, 4), 4294967040.0);
164  ok_flt(GetMaxValue(0, 5), 4294967040.0);
165 
166  ok_flt(GetMaxValue(1, 0), 4294967296.0);
167  ok_flt(GetMaxValue(1, 1), 4294967296.0);
168  ok_flt(GetMaxValue(1, 2), 4294967296.0);
169  ok_flt(GetMaxValue(1, 3), 4294967296.0);
170  ok_flt(GetMaxValue(1, 4), 4294967296.0);
171  ok_flt(GetMaxValue(1, 5), 4294967296.0);
172  }
173  else
174  {
175  ok_flt(GetMaxValue(0, 0), 4294967296.0);
176  ok_flt(GetMaxValue(0, 1), 4294967296.0);
177  ok_flt(GetMaxValue(0, 2), 4294967296.0);
178  ok_flt(GetMaxValue(0, 3), 4294967296.0);
179  ok_flt(GetMaxValue(0, 4), 2147483520.0);
180  ok_flt(GetMaxValue(0, 5), 2147483520.0);
181 
182  ok_flt(GetMaxValue(1, 0), 4294967296.0);
183  ok_flt(GetMaxValue(1, 1), 4294967296.0);
184  ok_flt(GetMaxValue(1, 2), 4294967296.0);
185  ok_flt(GetMaxValue(1, 3), 4294967296.0);
186  ok_flt(GetMaxValue(1, 4), 4294967296.0);
187  ok_flt(GetMaxValue(1, 5), 4294967296.0);
188  }
189 
190  /* Some undefined values */
191  set_xform(&xform1, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
192  set_xform(&xform2, geIND, 0.0, 0.0, geINF, 0.0, 0.0);
193  SetLastError(ERROR_SUCCESS);
194  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
195  ok_xform(xform3, geIND, 0.0, 0.0, geINF, 0.0, 0.0);
196  ok_int(GetLastError(), ERROR_SUCCESS);
197 
198  set_xform(&xform1, geIND, 0.0, 0.0, geINF, 0.0, 0.0);
199  set_xform(&xform2, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0);
200  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
201  ok_xform(xform3, geIND, geIND, geINF, geINF, 0.0, 0.0);
202  ok_int(GetLastError(), ERROR_SUCCESS);
203 
204  set_xform(&xform1, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0);
205  set_xform(&xform2, geIND, 0.0, 0.0, geINF, 0.0, 0.0);
206  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
207  ok_xform(xform3, geIND, geINF, geIND, geINF, 0.0, 0.0);
208  ok_int(GetLastError(), ERROR_SUCCESS);
209 
210  set_xform(&xform1, (FLOAT)18446743500000000000.0, 0.0, 1.0, 0.0, 0.0, 0.0);
211  xform2 = xform1;
212  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
213  ok_flt(xform3.eM11, 340282326356119260000000000000000000000.0);
214 
215  xform1.eM11 = (FLOAT)18446745000000000000.0;
216  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
217  ok_flt(xform3.eM11, 340282346638528860000000000000000000000.0);
218 
219  xform1.eM11 = (FLOAT)18446746000000000000.0;
220  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
221  ok_long(*(DWORD*)&xform3.eM11, IsWow64 ? 0x7f800000 : 0x7f800001);
222 
223  /* zero matrix + 1 invalid */
224  set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
225  set_xform(&xform2, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
226  *(DWORD*)&xform2.eM22 = 0x7f800000; // (0.0F/0.0F)
227  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
228  ok_xform(xform3, 0.0, 0.0, 0.0, geIND, 0.0, 0.0);
229 
230  /* zero matrix + 1 invalid */
231  xform2 = xform1;
232  *(DWORD*)&xform2.eM12 = 0x7f800000; // (0.0F/0.0F)
233  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
234  ok_xform(xform3, 0.0, geIND, 0.0, geIND, 0.0, 0.0);
235 
236  /* Some undefined values */
237  set_xform(&xform1, 0.0, geIND, 0.0, 0.0, 0.0, 0.0);
238  set_xform(&xform2, geIND, 0.0, 0.0, geINF, 0.0, 0.0);
239  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
240  ok_xform(xform3, IsWow64 ? geIND : 0.000000, IsWow64 ? geIND : -1.500000, geIND, geIND, 0.0, 0.0);
241 }
242 
243 void Test_CombineTransform_Inval(float eInval, float eOut)
244 {
245  XFORM xform1, xform2, xform3;
246 
247  /* zero matrix / M11 invalid */
248  set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
249  set_xform(&xform2, eInval, 0.0, 0.0, 0.0, 0.0, 0.0);
250  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
251  ok_xform(xform3, eOut, 0.0, 0.0, 0.0, 0.0, 0.0); // -> M21
252  ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
253  ok_xform(xform3, eOut, 0.0, 0.0, 0.0, 0.0, 0.0); // -> M12
254 
255  /* zero matrix / M12 invalid */
256  set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
257  set_xform(&xform2, 0.0, eInval, 0.0, 0.0, 0.0, 0.0);
258  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
259  ok_xform(xform3, 0.0, eOut, 0.0, eOut, 0.0, 0.0);
260  ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
261  ok_xform(xform3, eOut, eOut, 0.0, 0.0, 0.0, 0.0);
262 
263  /* zero matrix / M21 invalid */
264  set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
265  set_xform(&xform2, 0.0, 0.0, eInval, 0.0, 0.0, 0.0);
266  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
267  ok_xform(xform3, eOut, 0.0, eOut, 0.0, 0.0, 0.0);
268  ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
269  ok_xform(xform3, 0.0, 0.0, eOut, eOut, 0.0, 0.0);
270 
271  /* zero matrix / M22 invalid */
272  set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
273  set_xform(&xform2, 0.0, 0.0, 0.0, eInval, 0.0, 0.0);
274  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
275  ok_xform(xform3, 0.0, 0.0, 0.0, eOut, 0.0, 0.0); // -> M12
276  ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
277  ok_xform(xform3, 0.0, 0.0, 0.0, eOut, 0.0, 0.0); // -> M21
278 
279  /* zero matrix / M11,M12 invalid */
280  set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
281  set_xform(&xform2, eInval, eInval, 0.0, 0.0, 0.0, 0.0);
282  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
283  ok_xform(xform3, eOut, eOut, eOut, eOut, 0.0, 0.0);
284  ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
285  ok_xform(xform3, eOut, eOut, 0.0, 0.0, 0.0, 0.0);
286 
287  /* zero matrix / M11,M21 invalid */
288  set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
289  set_xform(&xform2, eInval, 0.0, eInval, 0.0, 0.0, 0.0);
290  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
291  ok_xform(xform3, eOut, 0.0, eOut, 0.0, 0.0, 0.0);
292  ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
293  ok_xform(xform3, eOut, eOut, eOut, eOut, 0.0, 0.0);
294 
295  /* zero matrix / M11,M22 invalid */
296  set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
297  set_xform(&xform2, eInval, 0.0, 0.0, eInval, 0.0, 0.0);
298  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
299  ok_xform(xform3, eOut, 0.0, 0.0, eOut, 0.0, 0.0); // -> M12, M21
300  ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
301  ok_xform(xform3, eOut, 0.0, 0.0, eOut, 0.0, 0.0);
302 
303  /* zero matrix / M12,M21 invalid */
304  set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
305  set_xform(&xform2, 0.0, eInval, eInval, 0.0, 0.0, 0.0);
306  ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
307  ok_xform(xform3, eOut, eOut, eOut, eOut, 0.0, 0.0);
308  ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
309  ok_xform(xform3, eOut, eOut, eOut, eOut, 0.0, 0.0);
310 }
311 
312 START_TEST(CombineTransform)
313 {
314  *(DWORD*)&geINF = 0x7f800000;
315  *(DWORD*)&geIND = 0xffc00000;
316  *(DWORD*)&geQNAN = 0x7fc00000;
317 
318  Test_CombineTransform();
319 
320  Test_CombineTransform_Inval(geINF, geIND);
321  Test_CombineTransform_Inval(geIND, geIND);
322  Test_CombineTransform_Inval(geQNAN, geQNAN);
323 
324 }
325 
ERROR_SUCCESS
#define ERROR_SUCCESS
Definition: deptool.c:10
geIND
float geIND
Definition: CombineTransform.c:45
GetLastError
DWORD WINAPI GetLastError(VOID)
Definition: except.c:1040
PFLOAT
FLOAT * PFLOAT
Definition: windef.h:174
FLOAT
#define FLOAT
Definition: i386-dis.c:526
Parameter
_In_ PVOID Parameter
Definition: ldrtypes.h:241
ok_long
#define ok_long(expression, result)
Definition: atltest.h:133
geQNAN
float geQNAN
Definition: CombineTransform.c:46
_XFORM
Definition: wingdi.h:1720
geINF
float geINF
Definition: CombineTransform.c:44
BOOL
unsigned int BOOL
Definition: ntddk_ex.h:94
_XFORM::eDx
FLOAT eDx
Definition: wingdi.h:1725
_XFORM::eM21
FLOAT eM21
Definition: wingdi.h:1723
ok_int
#define ok_int(expression, result)
Definition: atltest.h:134
_XFORM::eM12
FLOAT eM12
Definition: wingdi.h:1722
CombineTransform
BOOL WINAPI CombineTransform(_Out_ LPXFORM pxformResult, _In_ const XFORM *pxform1, _In_ const XFORM *pxform2)
Definition: coord.c:64
Test_CombineTransform
void Test_CombineTransform()
Definition: CombineTransform.c:93
fmax
double __cdecl fmax(double, double)
IsWow64Process
BOOL WINAPI IsWow64Process(IN HANDLE hProcess, OUT PBOOL Wow64Process)
Definition: proc.c:1975
FLT_LONG::e
float e
Definition: CombineTransform.c:12
DWORD
unsigned long DWORD
Definition: ntddk_ex.h:95
FLT_LONG::l
long l
Definition: CombineTransform.c:13
SetLastError
#define SetLastError(x)
Definition: compat.h:611
set_xform
#define set_xform(pxform, m11, m12, m21, m22, dx, dy)
Definition: CombineTransform.c:36
fmin
double __cdecl fmin(double, double)
_XFORM::eM11
FLOAT eM11
Definition: wingdi.h:1721
GetCurrentProcess
#define GetCurrentProcess()
Definition: compat.h:618
Test_CombineTransform_Inval
void Test_CombineTransform_Inval(float eInval, float eOut)
Definition: CombineTransform.c:243
START_TEST
START_TEST(CombineTransform)
Definition: CombineTransform.c:312
FLT_LONG
Definition: CombineTransform.c:10
ok_xform
#define ok_xform(xform, m11, m12, m21, m22, dx, dy)
Definition: CombineTransform.c:28
_XFORM::eM22
FLOAT eM22
Definition: wingdi.h:1724
_XFORM::eDy
FLOAT eDy
Definition: wingdi.h:1726
NULL
#define NULL
Definition: types.h:112
FLOAT
float FLOAT
Definition: typedefs.h:69
IsWow64
BOOL IsWow64(VOID)
Definition: user_lib.cpp:579
target
GLenum target
Definition: glext.h:7315
GetMaxValue
FLOAT GetMaxValue(unsigned int Parameter, unsigned int Field)
Definition: CombineTransform.c:49
ok_flt
#define ok_flt(x, y)
Definition: CombineTransform.c:16