ReactOS 0.4.15-dev-7953-g1f49173
CombineTransform.c
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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
10typedef 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
44float geINF;
45float geIND;
46float geQNAN;
47
48FLOAT
49GetMaxValue(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
93void Test_CombineTransform()
94{
95 XFORM xform1, xform2, xform3;
96 BOOL IsWin64;
97#ifndef _WIN64
98 BOOL IsWow64;
99#endif
100
101 // TODO: Check results for ARM/ARM64
102#ifdef _WIN64
103 IsWin64 = TRUE;
104#else
105 IsWin64 = (IsWow64Process(GetCurrentProcess(), &IsWow64) && IsWow64);
106#endif
107
108 /* Test NULL paramters */
109 set_xform(&xform1, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
110 set_xform(&xform2, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
111 SetLastError(ERROR_SUCCESS);
112 ok_int(CombineTransform(&xform3, &xform1, NULL), 0);
113 ok_int(CombineTransform(&xform3, NULL, &xform2), 0);
114 ok_int(CombineTransform(NULL, &xform1, &xform2), 0);
115 ok_int(GetLastError(), ERROR_SUCCESS);
116
117 /* 2 zero matrices */
118 set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
119 set_xform(&xform2, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
120 SetLastError(ERROR_SUCCESS);
121 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
122 ok_xform(xform3, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
123 ok_int(GetLastError(), ERROR_SUCCESS);
124
125 /* 2 Identity matrices */
126 set_xform(&xform1, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
127 set_xform(&xform2, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
128 SetLastError(ERROR_SUCCESS);
129 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
130 ok_xform(xform3, 1.0, 0., 0., 1.0, 0., 0.);
131 ok_int(GetLastError(), ERROR_SUCCESS);
132
133 /* 2 Identity matrices with offsets */
134 set_xform(&xform1, 1.0, 0.0, 0.0, 1.0, 20.0, -100.0);
135 set_xform(&xform2, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
136 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
137 ok_xform(xform3, 1.0, 0., 0., 1.0, 20.0, -100.0);
138
139 xform2.eDx = -60.0;
140 xform2.eDy = -20;
141 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
142 ok_flt(xform3.eDx, -40.0);
143 ok_flt(xform3.eDy, -120.0);
144
145 /* add some stretching */
146 xform2.eM11 = 2;
147 xform2.eM22 = 4;
148 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
149 ok_xform(xform3, 2.0, 0., 0., 4.0, -20.0, -420.0);
150
151 /* add some more stretching */
152 xform1.eM11 = -2.5;
153 xform1.eM22 = 0.5;
154 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
155 ok_xform(xform3, -5.0, 0., 0., 2.0, -20.0, -420.0);
156
157 xform1.eM12 = 2.0;
158 xform1.eM21 = -0.5;
159 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
160 ok_xform(xform3, -5.0, 8.0, -1.0, 2.0, -20.0, -420.0);
161
162 xform2.eM12 = 4.0;
163 xform2.eM21 = 6.5;
164 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
165 ok_xform(xform3, 8.0, -2.0, 2.25, 0.0, -670.0, -340.0);
166
167 if (IsWin64)
168 {
169 ok_flt(GetMaxValue(0, 0), 4294967296.0);
170 ok_flt(GetMaxValue(0, 1), 4294967296.0);
171 ok_flt(GetMaxValue(0, 2), 4294967296.0);
172 ok_flt(GetMaxValue(0, 3), 4294967296.0);
173 ok_flt(GetMaxValue(0, 4), 4294967040.0);
174 ok_flt(GetMaxValue(0, 5), 4294967040.0);
175
176 ok_flt(GetMaxValue(1, 0), 4294967296.0);
177 ok_flt(GetMaxValue(1, 1), 4294967296.0);
178 ok_flt(GetMaxValue(1, 2), 4294967296.0);
179 ok_flt(GetMaxValue(1, 3), 4294967296.0);
180 ok_flt(GetMaxValue(1, 4), 4294967296.0);
181 ok_flt(GetMaxValue(1, 5), 4294967296.0);
182 }
183 else
184 {
185 ok_flt(GetMaxValue(0, 0), 4294967296.0);
186 ok_flt(GetMaxValue(0, 1), 4294967296.0);
187 ok_flt(GetMaxValue(0, 2), 4294967296.0);
188 ok_flt(GetMaxValue(0, 3), 4294967296.0);
189 ok_flt(GetMaxValue(0, 4), 2147483520.0);
190 ok_flt(GetMaxValue(0, 5), 2147483520.0);
191
192 ok_flt(GetMaxValue(1, 0), 4294967296.0);
193 ok_flt(GetMaxValue(1, 1), 4294967296.0);
194 ok_flt(GetMaxValue(1, 2), 4294967296.0);
195 ok_flt(GetMaxValue(1, 3), 4294967296.0);
196 ok_flt(GetMaxValue(1, 4), 4294967296.0);
197 ok_flt(GetMaxValue(1, 5), 4294967296.0);
198 }
199
200 /* Some undefined values */
201 set_xform(&xform1, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0);
202 set_xform(&xform2, geIND, 0.0, 0.0, geINF, 0.0, 0.0);
203 SetLastError(ERROR_SUCCESS);
204 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
205 ok_xform(xform3, geIND, 0.0, 0.0, geINF, 0.0, 0.0);
206 ok_int(GetLastError(), ERROR_SUCCESS);
207
208 set_xform(&xform1, geIND, 0.0, 0.0, geINF, 0.0, 0.0);
209 set_xform(&xform2, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0);
210 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
211 ok_xform(xform3, geIND, geIND, geINF, geINF, 0.0, 0.0);
212 ok_int(GetLastError(), ERROR_SUCCESS);
213
214 set_xform(&xform1, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0);
215 set_xform(&xform2, geIND, 0.0, 0.0, geINF, 0.0, 0.0);
216 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
217 ok_xform(xform3, geIND, geINF, geIND, geINF, 0.0, 0.0);
218 ok_int(GetLastError(), ERROR_SUCCESS);
219
220 set_xform(&xform1, (FLOAT)18446743500000000000.0, 0.0, 1.0, 0.0, 0.0, 0.0);
221 xform2 = xform1;
222 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
223 ok_flt(xform3.eM11, 340282326356119260000000000000000000000.0);
224
225 xform1.eM11 = (FLOAT)18446745000000000000.0;
226 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
227 ok_flt(xform3.eM11, 340282346638528860000000000000000000000.0);
228
229 xform1.eM11 = (FLOAT)18446746000000000000.0;
230 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
231 ok_long(*(DWORD*)&xform3.eM11, IsWin64 ? 0x7f800000 : 0x7f800001);
232
233 /* zero matrix + 1 invalid */
234 set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
235 set_xform(&xform2, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
236 *(DWORD*)&xform2.eM22 = 0x7f800000; // (0.0F/0.0F)
237 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
238 ok_xform(xform3, 0.0, 0.0, 0.0, geIND, 0.0, 0.0);
239
240 /* zero matrix + 1 invalid */
241 xform2 = xform1;
242 *(DWORD*)&xform2.eM12 = 0x7f800000; // (0.0F/0.0F)
243 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
244 ok_xform(xform3, 0.0, geIND, 0.0, geIND, 0.0, 0.0);
245
246 /* Some undefined values */
247 set_xform(&xform1, 0.0, geIND, 0.0, 0.0, 0.0, 0.0);
248 set_xform(&xform2, geIND, 0.0, 0.0, geINF, 0.0, 0.0);
249 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
250 ok_xform(xform3, IsWin64 ? geIND : 0.000000, IsWin64 ? geIND : -1.500000, geIND, geIND, 0.0, 0.0);
251}
252
253void Test_CombineTransform_Inval(float eInval, float eOut)
254{
255 XFORM xform1, xform2, xform3;
256
257 /* zero matrix / M11 invalid */
258 set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
259 set_xform(&xform2, eInval, 0.0, 0.0, 0.0, 0.0, 0.0);
260 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
261 ok_xform(xform3, eOut, 0.0, 0.0, 0.0, 0.0, 0.0); // -> M21
262 ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
263 ok_xform(xform3, eOut, 0.0, 0.0, 0.0, 0.0, 0.0); // -> M12
264
265 /* zero matrix / M12 invalid */
266 set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
267 set_xform(&xform2, 0.0, eInval, 0.0, 0.0, 0.0, 0.0);
268 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
269 ok_xform(xform3, 0.0, eOut, 0.0, eOut, 0.0, 0.0);
270 ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
271 ok_xform(xform3, eOut, eOut, 0.0, 0.0, 0.0, 0.0);
272
273 /* zero matrix / M21 invalid */
274 set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
275 set_xform(&xform2, 0.0, 0.0, eInval, 0.0, 0.0, 0.0);
276 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
277 ok_xform(xform3, eOut, 0.0, eOut, 0.0, 0.0, 0.0);
278 ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
279 ok_xform(xform3, 0.0, 0.0, eOut, eOut, 0.0, 0.0);
280
281 /* zero matrix / M22 invalid */
282 set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
283 set_xform(&xform2, 0.0, 0.0, 0.0, eInval, 0.0, 0.0);
284 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
285 ok_xform(xform3, 0.0, 0.0, 0.0, eOut, 0.0, 0.0); // -> M12
286 ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
287 ok_xform(xform3, 0.0, 0.0, 0.0, eOut, 0.0, 0.0); // -> M21
288
289 /* zero matrix / M11,M12 invalid */
290 set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
291 set_xform(&xform2, eInval, eInval, 0.0, 0.0, 0.0, 0.0);
292 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
293 ok_xform(xform3, eOut, eOut, eOut, eOut, 0.0, 0.0);
294 ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
295 ok_xform(xform3, eOut, eOut, 0.0, 0.0, 0.0, 0.0);
296
297 /* zero matrix / M11,M21 invalid */
298 set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
299 set_xform(&xform2, eInval, 0.0, eInval, 0.0, 0.0, 0.0);
300 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
301 ok_xform(xform3, eOut, 0.0, eOut, 0.0, 0.0, 0.0);
302 ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
303 ok_xform(xform3, eOut, eOut, eOut, eOut, 0.0, 0.0);
304
305 /* zero matrix / M11,M22 invalid */
306 set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
307 set_xform(&xform2, eInval, 0.0, 0.0, eInval, 0.0, 0.0);
308 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
309 ok_xform(xform3, eOut, 0.0, 0.0, eOut, 0.0, 0.0); // -> M12, M21
310 ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
311 ok_xform(xform3, eOut, 0.0, 0.0, eOut, 0.0, 0.0);
312
313 /* zero matrix / M12,M21 invalid */
314 set_xform(&xform1, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
315 set_xform(&xform2, 0.0, eInval, eInval, 0.0, 0.0, 0.0);
316 ok_int(CombineTransform(&xform3, &xform1, &xform2), 1);
317 ok_xform(xform3, eOut, eOut, eOut, eOut, 0.0, 0.0);
318 ok_int(CombineTransform(&xform3, &xform2, &xform1), 1);
319 ok_xform(xform3, eOut, eOut, eOut, eOut, 0.0, 0.0);
320}
321
322START_TEST(CombineTransform)
323{
324 *(DWORD*)&geINF = 0x7f800000;
325 *(DWORD*)&geIND = 0xffc00000;
326 *(DWORD*)&geQNAN = 0x7fc00000;
327
328 Test_CombineTransform();
329
330 Test_CombineTransform_Inval(geINF, geIND);
331 Test_CombineTransform_Inval(geIND, geIND);
332 Test_CombineTransform_Inval(geQNAN, geQNAN);
333
334}
335
ok_xform
#define ok_xform(xform, m11, m12, m21, m22, dx, dy)
Definition: CombineTransform.c:28
GetMaxValue
FLOAT GetMaxValue(unsigned int Parameter, unsigned int Field)
Definition: CombineTransform.c:49
geQNAN
float geQNAN
Definition: CombineTransform.c:46
ok_flt
#define ok_flt(x, y)
Definition: CombineTransform.c:16
Test_CombineTransform
void Test_CombineTransform()
Definition: CombineTransform.c:93
Test_CombineTransform_Inval
void Test_CombineTransform_Inval(float eInval, float eOut)
Definition: CombineTransform.c:253
geIND
float geIND
Definition: CombineTransform.c:45
set_xform
#define set_xform(pxform, m11, m12, m21, m22, dx, dy)
Definition: CombineTransform.c:36
geINF
float geINF
Definition: CombineTransform.c:44
ok_long
#define ok_long(expression, result)
Definition: atltest.h:133
START_TEST
#define START_TEST(x)
Definition: atltest.h:75
ok_int
#define ok_int(expression, result)
Definition: atltest.h:134
ERROR_SUCCESS
#define ERROR_SUCCESS
Definition: deptool.c:10
NULL
#define NULL
Definition: types.h:112
TRUE
#define TRUE
Definition: types.h:120
SetLastError
#define SetLastError(x)
Definition: compat.h:752
GetCurrentProcess
#define GetCurrentProcess()
Definition: compat.h:759
IsWow64Process
#define IsWow64Process
Definition: compat.h:760
fmax
#define fmax
Definition: graphics.c:64
BOOL
unsigned int BOOL
Definition: ntddk_ex.h:94
DWORD
unsigned long DWORD
Definition: ntddk_ex.h:95
target
GLenum target
Definition: glext.h:7315
FLOAT
#define FLOAT
Definition: i386-dis.c:525
fmin
double __cdecl fmin(double, double)
_XFORM
Definition: wingdi.h:1720
_XFORM::eDy
FLOAT eDy
Definition: wingdi.h:1726
_XFORM::eM11
FLOAT eM11
Definition: wingdi.h:1721
_XFORM::eM21
FLOAT eM21
Definition: wingdi.h:1723
_XFORM::eM22
FLOAT eM22
Definition: wingdi.h:1724
_XFORM::eM12
FLOAT eM12
Definition: wingdi.h:1722
_XFORM::eDx
FLOAT eDx
Definition: wingdi.h:1725
FLOAT
float FLOAT
Definition: typedefs.h:69
FLT_LONG
Definition: CombineTransform.c:11
FLT_LONG::e
float e
Definition: CombineTransform.c:12
FLT_LONG::l
long l
Definition: CombineTransform.c:13
IsWow64
BOOL IsWow64(VOID)
Definition: user_lib.cpp:579
GetLastError
DWORD WINAPI GetLastError(void)
Definition: except.c:1042
PFLOAT
FLOAT * PFLOAT
Definition: windef.h:174
CombineTransform
BOOL WINAPI CombineTransform(_Out_ LPXFORM pxformResult, _In_ const XFORM *pxform1, _In_ const XFORM *pxform2)
Definition: coord.c:64
Parameter
_Inout_opt_ PVOID Parameter
Definition: rtltypes.h:323