b8dd8ee6ee973840f5b989eca09d35602e0973e2
[reactos.git] / rostests / winetests / gdi32 / mapping.c
1 /*
2 * Unit tests for mapping functions
3 *
4 * Copyright (c) 2005 Huw Davies
5 * Copyright (c) 2008 Dmitry Timoshkov
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include <stdio.h>
23 #include <math.h>
24
25 #include "wine/test.h"
26 #include "winbase.h"
27 #include "wingdi.h"
28 #include "winuser.h"
29 #include "winerror.h"
30
31 static DWORD (WINAPI *pSetLayout)(HDC hdc, DWORD layout);
32 static DWORD (WINAPI *pGetLayout)(HDC hdc);
33 static INT (WINAPI *pGetRandomRgn)(HDC hDC, HRGN hRgn, INT iCode);
34 static BOOL (WINAPI *pGetTransform)(HDC, DWORD, XFORM *);
35 static BOOL (WINAPI *pSetVirtualResolution)(HDC, DWORD, DWORD, DWORD, DWORD);
36
37 #define rough_match(got, expected) (abs( MulDiv( (got) - (expected), 1000, (expected) )) <= 5)
38
39 #define expect_LPtoDP(_hdc, _x, _y) \
40 { \
41 POINT _pt = { 1000, 1000 }; \
42 LPtoDP(_hdc, &_pt, 1); \
43 ok(rough_match(_pt.x, _x), "expected x %d, got %d\n", (_x), _pt.x); \
44 ok(rough_match(_pt.y, _y), "expected y %d, got %d\n", (_y), _pt.y); \
45 }
46
47 #define expect_world_transform(_hdc, _em11, _em22) \
48 { \
49 BOOL _ret; \
50 XFORM _xform; \
51 SetLastError(0xdeadbeef); \
52 _ret = GetWorldTransform(_hdc, &_xform); \
53 if (GetLastError() != ERROR_CALL_NOT_IMPLEMENTED) \
54 { \
55 ok(_ret, "GetWorldTransform error %u\n", GetLastError()); \
56 ok(_xform.eM11 == (_em11), "expected %f, got %f\n", (_em11), _xform.eM11); \
57 ok(_xform.eM12 == 0.0, "expected 0.0, got %f\n", _xform.eM12); \
58 ok(_xform.eM21 == 0.0, "expected 0.0, got %f\n", _xform.eM21); \
59 ok(_xform.eM22 == (_em22), "expected %f, got %f\n", (_em22), _xform.eM22); \
60 ok(_xform.eDx == 0.0, "expected 0.0, got %f\n", _xform.eDx); \
61 ok(_xform.eDy == 0.0, "expected 0.0, got %f\n", _xform.eDy); \
62 } \
63 }
64
65 #define expect_dc_ext(_func, _hdc, _cx, _cy) \
66 { \
67 BOOL _ret; \
68 SIZE _size; \
69 SetLastError(0xdeadbeef); \
70 _ret = _func(_hdc, &_size); \
71 ok(_ret, #_func " error %u\n", GetLastError()); \
72 ok(_size.cx == (_cx), "expected cx %d, got %d\n", (_cx), _size.cx); \
73 ok(_size.cy == (_cy), "expected cy %d, got %d\n", (_cy), _size.cy); \
74 }
75
76 #define expect_viewport_ext(_hdc, _cx, _cy) expect_dc_ext(GetViewportExtEx, _hdc, _cx, _cy)
77 #define expect_window_ext(_hdc, _cx, _cy) expect_dc_ext(GetWindowExtEx, _hdc, _cx, _cy)
78
79 static void test_world_transform(void)
80 {
81 HDC hdc;
82 INT ret, size_cx, size_cy, res_x, res_y, dpi_x, dpi_y;
83 XFORM xform;
84 SIZE size;
85
86 hdc = CreateCompatibleDC(0);
87
88 xform.eM11 = 1.0f;
89 xform.eM12 = 0.0f;
90 xform.eM21 = 0.0f;
91 xform.eM22 = 1.0f;
92 xform.eDx = 0.0f;
93 xform.eDy = 0.0f;
94 ret = SetWorldTransform(hdc, &xform);
95 ok(!ret, "SetWorldTransform should fail in GM_COMPATIBLE mode\n");
96
97 size_cx = GetDeviceCaps(hdc, HORZSIZE);
98 size_cy = GetDeviceCaps(hdc, VERTSIZE);
99 res_x = GetDeviceCaps(hdc, HORZRES);
100 res_y = GetDeviceCaps(hdc, VERTRES);
101 dpi_x = GetDeviceCaps(hdc, LOGPIXELSX);
102 dpi_y = GetDeviceCaps(hdc, LOGPIXELSY);
103 trace("dc size %d x %d, resolution %d x %d dpi %d x %d\n",
104 size_cx, size_cy, res_x, res_y, dpi_x, dpi_y );
105
106 expect_viewport_ext(hdc, 1, 1);
107 expect_window_ext(hdc, 1, 1);
108 expect_world_transform(hdc, 1.0, 1.0);
109 expect_LPtoDP(hdc, 1000, 1000);
110
111 SetLastError(0xdeadbeef);
112 ret = SetMapMode(hdc, MM_LOMETRIC);
113 ok(ret == MM_TEXT, "expected MM_TEXT, got %d\n", ret);
114
115 expect_viewport_ext(hdc, res_x, -res_y);
116 ok( GetWindowExtEx( hdc, &size ), "GetWindowExtEx failed\n" );
117 ok( rough_match( size.cx, size_cx * 10 ) ||
118 rough_match( size.cx, MulDiv( res_x, 254, dpi_x )), /* Vista uses a more precise method */
119 "expected cx %d or %d, got %d\n", size_cx * 10, MulDiv( res_x, 254, dpi_x ), size.cx );
120 ok( rough_match( size.cy, size_cy * 10 ) ||
121 rough_match( size.cy, MulDiv( res_y, 254, dpi_y )), /* Vista uses a more precise method */
122 "expected cy %d or %d, got %d\n", size_cy * 10, MulDiv( res_y, 254, dpi_y ), size.cy );
123 expect_world_transform(hdc, 1.0, 1.0);
124 expect_LPtoDP(hdc, MulDiv(1000 / 10, res_x, size_cx), -MulDiv(1000 / 10, res_y, size_cy));
125
126 SetLastError(0xdeadbeef);
127 ret = SetMapMode(hdc, MM_TEXT);
128 ok(ret == MM_LOMETRIC, "expected MM_LOMETRIC, got %d\n", ret);
129
130 expect_viewport_ext(hdc, 1, 1);
131 expect_window_ext(hdc, 1, 1);
132 expect_world_transform(hdc, 1.0, 1.0);
133 expect_LPtoDP(hdc, 1000, 1000);
134
135 ret = SetGraphicsMode(hdc, GM_ADVANCED);
136 if (!ret)
137 {
138 DeleteDC(hdc);
139 skip("GM_ADVANCED is not supported on this platform\n");
140 return;
141 }
142
143 expect_viewport_ext(hdc, 1, 1);
144 expect_window_ext(hdc, 1, 1);
145 expect_world_transform(hdc, 1.0, 1.0);
146 expect_LPtoDP(hdc, 1000, 1000);
147
148 /* The transform must conform to (eM11 * eM22 != eM12 * eM21) requirement */
149 xform.eM11 = 1.0f;
150 xform.eM12 = 2.0f;
151 xform.eM21 = 1.0f;
152 xform.eM22 = 2.0f;
153 xform.eDx = 0.0f;
154 xform.eDy = 0.0f;
155 ret = SetWorldTransform(hdc, &xform);
156 ok(!ret ||
157 broken(ret), /* NT4 */
158 "SetWorldTransform should fail with an invalid xform\n");
159
160 xform.eM11 = 20.0f;
161 xform.eM12 = 0.0f;
162 xform.eM21 = 0.0f;
163 xform.eM22 = 20.0f;
164 xform.eDx = 0.0f;
165 xform.eDy = 0.0f;
166 SetLastError(0xdeadbeef);
167 ret = SetWorldTransform(hdc, &xform);
168 ok(ret, "SetWorldTransform error %u\n", GetLastError());
169
170 expect_viewport_ext(hdc, 1, 1);
171 expect_window_ext(hdc, 1, 1);
172 expect_world_transform(hdc, 20.0, 20.0);
173 expect_LPtoDP(hdc, 20000, 20000);
174
175 SetLastError(0xdeadbeef);
176 ret = SetMapMode(hdc, MM_LOMETRIC);
177 ok(ret == MM_TEXT, "expected MM_TEXT, got %d\n", ret);
178
179 expect_viewport_ext(hdc, res_x, -res_y);
180 ok( GetWindowExtEx( hdc, &size ), "GetWindowExtEx failed\n" );
181 ok( rough_match( size.cx, size_cx * 10 ) ||
182 rough_match( size.cx, MulDiv( res_x, 254, dpi_x )), /* Vista uses a more precise method */
183 "expected cx %d or %d, got %d\n", size_cx * 10, MulDiv( res_x, 254, dpi_x ), size.cx );
184 ok( rough_match( size.cy, size_cy * 10 ) ||
185 rough_match( size.cy, MulDiv( res_y, 254, dpi_y )), /* Vista uses a more precise method */
186 "expected cy %d or %d, got %d\n", size_cy * 10, MulDiv( res_y, 254, dpi_y ), size.cy );
187 expect_world_transform(hdc, 20.0, 20.0);
188 expect_LPtoDP(hdc, MulDiv(20000, res_x, size.cx), -MulDiv(20000, res_y, size.cy));
189
190 SetLastError(0xdeadbeef);
191 ret = SetMapMode(hdc, MM_TEXT);
192 ok(ret == MM_LOMETRIC, "expected MM_LOMETRIC, got %d\n", ret);
193
194 expect_viewport_ext(hdc, 1, 1);
195 expect_window_ext(hdc, 1, 1);
196 expect_world_transform(hdc, 20.0, 20.0);
197 expect_LPtoDP(hdc, 20000, 20000);
198
199 size.cx = 0xdeadbeef;
200 size.cy = 0xdeadbeef;
201 ret = SetViewportExtEx(hdc, -1, -1, &size);
202 ok(ret, "SetViewportExtEx(-1, -1) failed\n");
203 ok(size.cx == 1 && size.cy == 1, "expected 1,1 got %d,%d\n", size.cx, size.cy);
204 expect_viewport_ext(hdc, 1, 1);
205 expect_window_ext(hdc, 1, 1);
206 expect_world_transform(hdc, 20.0, 20.0);
207 expect_LPtoDP(hdc, 20000, 20000);
208
209 ret = SetMapMode(hdc, MM_ANISOTROPIC);
210 ok(ret == MM_TEXT, "expected MM_TEXT, got %d\n", ret);
211
212 expect_viewport_ext(hdc, 1, 1);
213 expect_window_ext(hdc, 1, 1);
214 expect_world_transform(hdc, 20.0, 20.0);
215 expect_LPtoDP(hdc, 20000, 20000);
216
217 size.cx = 0xdeadbeef;
218 size.cy = 0xdeadbeef;
219 ret = SetViewportExtEx(hdc, -1, -1, &size);
220 ok(ret, "SetViewportExtEx(-1, -1) failed\n");
221 ok(size.cx == 1 && size.cy == 1, "expected 1,1 got %d,%d\n", size.cx, size.cy);
222 expect_viewport_ext(hdc, -1, -1);
223 expect_window_ext(hdc, 1, 1);
224 expect_world_transform(hdc, 20.0, 20.0);
225 expect_LPtoDP(hdc, -20000, -20000);
226
227 ret = SetGraphicsMode(hdc, GM_COMPATIBLE);
228 ok(ret, "SetGraphicsMode(GM_COMPATIBLE) should not fail if DC has't an identity transform\n");
229 ret = GetGraphicsMode(hdc);
230 ok(ret == GM_COMPATIBLE, "expected GM_COMPATIBLE, got %d\n", ret);
231
232 expect_viewport_ext(hdc, -1, -1);
233 expect_window_ext(hdc, 1, 1);
234 expect_world_transform(hdc, 20.0, 20.0);
235 expect_LPtoDP(hdc, -20000, -20000);
236
237 DeleteDC(hdc);
238 }
239
240 static void test_dc_layout(void)
241 {
242 INT ret, size_cx, size_cy, res_x, res_y, dpi_x, dpi_y;
243 SIZE size;
244 POINT pt;
245 HBITMAP bitmap;
246 RECT rc, ret_rc;
247 HDC hdc;
248 HRGN hrgn;
249
250 if (!pGetLayout || !pSetLayout)
251 {
252 win_skip( "Don't have SetLayout\n" );
253 return;
254 }
255
256 hdc = CreateCompatibleDC(0);
257 bitmap = CreateCompatibleBitmap( hdc, 100, 100 );
258 SelectObject( hdc, bitmap );
259
260 size_cx = GetDeviceCaps(hdc, HORZSIZE);
261 size_cy = GetDeviceCaps(hdc, VERTSIZE);
262 res_x = GetDeviceCaps(hdc, HORZRES);
263 res_y = GetDeviceCaps(hdc, VERTRES);
264 dpi_x = GetDeviceCaps(hdc, LOGPIXELSX);
265 dpi_y = GetDeviceCaps(hdc, LOGPIXELSY);
266
267 ret = GetMapMode( hdc );
268 ok(ret == MM_TEXT, "expected MM_TEXT, got %d\n", ret);
269 expect_viewport_ext(hdc, 1, 1);
270 expect_window_ext(hdc, 1, 1);
271 expect_world_transform(hdc, 1.0, 1.0);
272 expect_LPtoDP(hdc, 1000, 1000);
273
274 pSetLayout( hdc, LAYOUT_RTL );
275 if (!pGetLayout( hdc ))
276 {
277 win_skip( "SetLayout not supported\n" );
278 DeleteDC(hdc);
279 return;
280 }
281
282 ret = GetMapMode( hdc );
283 ok(ret == MM_ANISOTROPIC, "expected MM_ANISOTROPIC, got %d\n", ret);
284 expect_viewport_ext(hdc, 1, 1);
285 expect_window_ext(hdc, 1, 1);
286 expect_world_transform(hdc, 1.0, 1.0);
287 expect_LPtoDP(hdc, -1000 + 99, 1000);
288 GetViewportOrgEx( hdc, &pt );
289 ok( pt.x == 0 && pt.y == 0, "wrong origin %d,%d\n", pt.x, pt.y );
290 GetWindowOrgEx( hdc, &pt );
291 ok( pt.x == 0 && pt.y == 0, "wrong origin %d,%d\n", pt.x, pt.y );
292 GetDCOrgEx( hdc, &pt );
293 ok( pt.x == 0 && pt.y == 0, "wrong origin %d,%d\n", pt.x, pt.y );
294 if (pGetTransform)
295 {
296 XFORM xform;
297 BOOL ret = pGetTransform( hdc, 0x204, &xform ); /* World -> Device */
298 ok( ret, "got %d\n", ret );
299 ok( xform.eM11 == -1.0, "got %f\n", xform.eM11 );
300 ok( xform.eM12 == 0.0, "got %f\n", xform.eM12 );
301 ok( xform.eM21 == 0.0, "got %f\n", xform.eM21 );
302 ok( xform.eM22 == 1.0, "got %f\n", xform.eM22 );
303 ok( xform.eDx == 99.0, "got %f\n", xform.eDx );
304 ok( xform.eDy == 0.0, "got %f\n", xform.eDy );
305 }
306
307 SetRect( &rc, 10, 10, 20, 20 );
308 IntersectClipRect( hdc, 10, 10, 20, 20 );
309 hrgn = CreateRectRgn( 0, 0, 0, 0 );
310 GetClipRgn( hdc, hrgn );
311 GetRgnBox( hrgn, &ret_rc );
312 ok( EqualRect( &rc, &ret_rc ), "wrong clip box %d,%d - %d,%d\n",
313 ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom );
314 pSetLayout( hdc, LAYOUT_LTR );
315 SetRect( &rc, 80, 10, 90, 20 );
316 GetClipRgn( hdc, hrgn );
317 GetRgnBox( hrgn, &ret_rc );
318 ok( EqualRect( &rc, &ret_rc ), "wrong clip box %d,%d - %d,%d\n",
319 ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom );
320 GetClipBox( hdc, &ret_rc );
321 ok( EqualRect( &rc, &ret_rc ), "wrong clip box %d,%d - %d,%d\n",
322 ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom );
323 IntersectClipRect( hdc, 80, 10, 85, 20 );
324 pSetLayout( hdc, LAYOUT_RTL );
325 SetRect( &rc, 15, 10, 20, 20 );
326 GetClipRgn( hdc, hrgn );
327 GetRgnBox( hrgn, &ret_rc );
328 ok( EqualRect( &rc, &ret_rc ), "wrong clip box %d,%d - %d,%d\n",
329 ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom );
330 GetClipBox( hdc, &ret_rc );
331 ok( EqualRect( &rc, &ret_rc ), "wrong clip box %d,%d - %d,%d\n",
332 ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom );
333 SetRectRgn( hrgn, 60, 10, 80, 20 );
334 pSetLayout( hdc, LAYOUT_LTR );
335 ExtSelectClipRgn( hdc, hrgn, RGN_OR );
336 pSetLayout( hdc, LAYOUT_RTL );
337 SetRect( &rc, 15, 10, 40, 20 );
338 GetClipRgn( hdc, hrgn );
339 GetRgnBox( hrgn, &ret_rc );
340 ok( EqualRect( &rc, &ret_rc ), "wrong clip box %d,%d - %d,%d\n",
341 ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom );
342 GetClipBox( hdc, &ret_rc );
343 ok( EqualRect( &rc, &ret_rc ), "wrong clip box %d,%d - %d,%d\n",
344 ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom );
345
346 /* OffsetClipRgn mirrors too */
347 OffsetClipRgn( hdc, 5, 5 );
348 OffsetRect( &rc, 5, 5 );
349 GetClipRgn( hdc, hrgn );
350 GetRgnBox( hrgn, &ret_rc );
351 ok( EqualRect( &rc, &ret_rc ), "wrong clip box %d,%d - %d,%d\n",
352 ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom );
353
354 /* GetRandomRgn returns the raw region */
355 if (pGetRandomRgn)
356 {
357 SetRect( &rc, 55, 15, 80, 25 );
358 pGetRandomRgn( hdc, hrgn, 1 );
359 GetRgnBox( hrgn, &ret_rc );
360 ok( EqualRect( &rc, &ret_rc ), "wrong clip box %d,%d - %d,%d\n",
361 ret_rc.left, ret_rc.top, ret_rc.right, ret_rc.bottom );
362 }
363
364 SetMapMode(hdc, MM_LOMETRIC);
365 ret = GetMapMode( hdc );
366 ok(ret == MM_ANISOTROPIC, "expected MM_ANISOTROPIC, got %d\n", ret);
367
368 expect_viewport_ext(hdc, res_x, -res_y);
369 ok( GetWindowExtEx( hdc, &size ), "GetWindowExtEx failed\n" );
370 ok( rough_match( size.cx, size_cx * 10 ) ||
371 rough_match( size.cx, MulDiv( res_x, 254, dpi_x )), /* Vista uses a more precise method */
372 "expected cx %d or %d, got %d\n", size_cx * 10, MulDiv( res_x, 254, dpi_x ), size.cx );
373 ok( rough_match( size.cy, size_cy * 10 ) ||
374 rough_match( size.cy, MulDiv( res_y, 254, dpi_y )), /* Vista uses a more precise method */
375 "expected cy %d or %d, got %d\n", size_cy * 10, MulDiv( res_y, 254, dpi_y ), size.cy );
376 expect_world_transform(hdc, 1.0, 1.0);
377 expect_LPtoDP(hdc, -MulDiv(1000 / 10, res_x, size_cx) + 99, -MulDiv(1000 / 10, res_y, size_cy));
378
379 SetMapMode(hdc, MM_TEXT);
380 ret = GetMapMode( hdc );
381 ok(ret == MM_ANISOTROPIC, "expected MM_ANISOTROPIC, got %d\n", ret);
382 pSetLayout( hdc, LAYOUT_LTR );
383 ret = GetMapMode( hdc );
384 ok(ret == MM_ANISOTROPIC, "expected MM_ANISOTROPIC, got %d\n", ret);
385 SetMapMode(hdc, MM_TEXT);
386 ret = GetMapMode( hdc );
387 ok(ret == MM_TEXT, "expected MM_TEXT, got %d\n", ret);
388
389 DeleteDC(hdc);
390 DeleteObject( bitmap );
391 }
392
393 static void test_modify_world_transform(void)
394 {
395 HDC hdc = GetDC(0);
396 int ret;
397
398 ret = SetGraphicsMode(hdc, GM_ADVANCED);
399 ok(ret, "ret = %d\n", ret);
400
401 ret = ModifyWorldTransform(hdc, NULL, MWT_IDENTITY);
402 ok(ret, "ret = %d\n", ret);
403
404 ret = ModifyWorldTransform(hdc, NULL, MWT_LEFTMULTIPLY);
405 ok(!ret, "ret = %d\n", ret);
406
407 ret = ModifyWorldTransform(hdc, NULL, MWT_RIGHTMULTIPLY);
408 ok(!ret, "ret = %d\n", ret);
409
410 ReleaseDC(0, hdc);
411 }
412
413 static void test_SetWindowExt(HDC hdc, LONG cx, LONG cy, LONG expected_vp_cx, LONG expected_vp_cy)
414 {
415 SIZE windowExt, viewportExt;
416 POINT windowOrg, windowOrgAfter, viewportOrg, viewportOrgAfter;
417
418 GetWindowOrgEx(hdc, &windowOrg);
419 GetViewportOrgEx(hdc, &viewportOrg);
420
421 SetWindowExtEx(hdc, cx, cy, NULL);
422 GetWindowExtEx(hdc, &windowExt);
423 ok(windowExt.cx == cx && windowExt.cy == cy,
424 "Window extension: Expected %dx%d, got %dx%d\n",
425 cx, cy, windowExt.cx, windowExt.cy);
426
427 GetViewportExtEx(hdc, &viewportExt);
428 ok(rough_match(viewportExt.cx, expected_vp_cx) && rough_match(viewportExt.cy, expected_vp_cy),
429 "Viewport extents have not been properly adjusted: Expected %dx%d, got %dx%d\n",
430 expected_vp_cx, expected_vp_cy, viewportExt.cx, viewportExt.cy);
431
432 GetWindowOrgEx(hdc, &windowOrgAfter);
433 ok(windowOrg.x == windowOrgAfter.x && windowOrg.y == windowOrgAfter.y,
434 "Window origin changed from (%d,%d) to (%d,%d)\n",
435 windowOrg.x, windowOrg.y, windowOrgAfter.x, windowOrgAfter.y);
436
437 GetViewportOrgEx(hdc, &viewportOrgAfter);
438 ok(viewportOrg.x == viewportOrgAfter.x && viewportOrg.y == viewportOrgAfter.y,
439 "Viewport origin changed from (%d,%d) to (%d,%d)\n",
440 viewportOrg.x, viewportOrg.y, viewportOrgAfter.x, viewportOrgAfter.y);
441 }
442
443 static void test_SetViewportExt(HDC hdc, LONG cx, LONG cy, LONG expected_vp_cx, LONG expected_vp_cy)
444 {
445 SIZE windowExt, windowExtAfter, viewportExt;
446 POINT windowOrg, windowOrgAfter, viewportOrg, viewportOrgAfter;
447
448 GetWindowOrgEx(hdc, &windowOrg);
449 GetViewportOrgEx(hdc, &viewportOrg);
450 GetWindowExtEx(hdc, &windowExt);
451
452 SetViewportExtEx(hdc, cx, cy, NULL);
453 GetViewportExtEx(hdc, &viewportExt);
454 ok(rough_match(viewportExt.cx, expected_vp_cx) && rough_match(viewportExt.cy, expected_vp_cy),
455 "Viewport extents have not been properly adjusted: Expected %dx%d, got %dx%d\n",
456 expected_vp_cx, expected_vp_cy, viewportExt.cx, viewportExt.cy);
457
458 GetWindowExtEx(hdc, &windowExtAfter);
459 ok(windowExt.cx == windowExtAfter.cx && windowExt.cy == windowExtAfter.cy,
460 "Window extension changed from %dx%d to %dx%d\n",
461 windowExt.cx, windowExt.cy, windowExtAfter.cx, windowExtAfter.cy);
462
463 GetWindowOrgEx(hdc, &windowOrgAfter);
464 ok(windowOrg.x == windowOrgAfter.x && windowOrg.y == windowOrgAfter.y,
465 "Window origin changed from (%d,%d) to (%d,%d)\n",
466 windowOrg.x, windowOrg.y, windowOrgAfter.x, windowOrgAfter.y);
467
468 GetViewportOrgEx(hdc, &viewportOrgAfter);
469 ok(viewportOrg.x == viewportOrgAfter.x && viewportOrg.y == viewportOrgAfter.y,
470 "Viewport origin changed from (%d,%d) to (%d,%d)\n",
471 viewportOrg.x, viewportOrg.y, viewportOrgAfter.x, viewportOrgAfter.y);
472 }
473
474 static void test_isotropic_mapping(void)
475 {
476 SIZE win, vp;
477 HDC hdc = GetDC(0);
478
479 SetMapMode(hdc, MM_ISOTROPIC);
480
481 /* MM_ISOTROPIC is set up like MM_LOMETRIC.
482 Initial values after SetMapMode():
483 (1 inch = 25.4 mm)
484
485 Windows 9x: Windows NT:
486 Window Ext: 254 x -254 HORZSIZE*10 x VERTSIZE*10
487 Viewport Ext: LOGPIXELSX x LOGPIXELSY HORZRES x -VERTRES
488
489 To test without rounding errors, we have to use multiples of
490 these values!
491 */
492
493 GetWindowExtEx(hdc, &win);
494 GetViewportExtEx(hdc, &vp);
495
496 test_SetViewportExt(hdc, 10 * vp.cx, 10 * vp.cy, 10 * vp.cx, 10 * vp.cy);
497 test_SetWindowExt(hdc, win.cx, win.cy, 10 * vp.cx, 10 * vp.cy);
498 test_SetWindowExt(hdc, 2 * win.cx, win.cy, 10 * vp.cx, 5 * vp.cy);
499 test_SetWindowExt(hdc, win.cx, win.cy, 5 * vp.cx, 5 * vp.cy);
500 test_SetViewportExt(hdc, 4 * vp.cx, 2 * vp.cy, 2 * vp.cx, 2 * vp.cy);
501 test_SetViewportExt(hdc, vp.cx, 2 * vp.cy, vp.cx, vp.cy);
502 test_SetViewportExt(hdc, 2 * vp.cx, 2 * vp.cy, 2 * vp.cx, 2 * vp.cy);
503 test_SetViewportExt(hdc, 4 * vp.cx, 2 * vp.cy, 2 * vp.cx, 2 * vp.cy);
504 test_SetWindowExt(hdc, 4 * win.cx, 2 * win.cy, 2 * vp.cx, vp.cy);
505 test_SetViewportExt(hdc, -2 * vp.cx, -4 * vp.cy, -2 * vp.cx, -vp.cy);
506 test_SetViewportExt(hdc, -2 * vp.cx, -1 * vp.cy, -2 * vp.cx, -vp.cy);
507 test_SetWindowExt(hdc, -4 * win.cx, -2 * win.cy, -2 * vp.cx, -vp.cy);
508 test_SetWindowExt(hdc, 4 * win.cx, -4 * win.cy, -vp.cx, -vp.cy);
509
510 ReleaseDC(0, hdc);
511 }
512
513 static void test_setvirtualresolution(void)
514 {
515 HDC hdc = CreateICA("DISPLAY", NULL, NULL, NULL);
516 BOOL r;
517 INT horz_res = GetDeviceCaps(hdc, HORZRES);
518 INT horz_size = GetDeviceCaps(hdc, HORZSIZE);
519 INT log_pixels_x = GetDeviceCaps(hdc, LOGPIXELSX);
520 SIZE orig_lometric_vp, orig_lometric_wnd;
521
522 if(!pSetVirtualResolution)
523 {
524 win_skip("Don't have SetVirtualResolution\n");
525 return;
526 }
527
528 /* Get the true resolution limits */
529 SetMapMode(hdc, MM_LOMETRIC);
530 GetViewportExtEx(hdc, &orig_lometric_vp);
531 GetWindowExtEx(hdc, &orig_lometric_wnd);
532 SetMapMode(hdc, MM_TEXT);
533
534 r = pSetVirtualResolution(hdc, 4000, 1000, 400, 200); /* 10 pix/mm x 5 pix/mm */
535 ok(r == TRUE, "got %d\n", r);
536 expect_LPtoDP(hdc, 1000, 1000);
537 expect_viewport_ext(hdc, 1, 1);
538 expect_window_ext(hdc, 1, 1);
539
540 SetMapMode(hdc, MM_LOMETRIC);
541 expect_LPtoDP(hdc, 1000, -500);
542 expect_viewport_ext(hdc, 4000, -1000);
543 expect_window_ext(hdc, 4000, 2000);
544
545 /* Doesn't change the device caps */
546 ok(horz_res == GetDeviceCaps(hdc, HORZRES), "horz_res changed\n");
547 ok(horz_size == GetDeviceCaps(hdc, HORZSIZE), "horz_size changed\n");
548 ok(log_pixels_x == GetDeviceCaps(hdc, LOGPIXELSX), "log_pixels_x changed\n");
549
550 r = pSetVirtualResolution(hdc, 8000, 1000, 400, 200); /* 20 pix/mm x 5 pix/mm */
551 ok(r == TRUE, "got %d\n", r);
552 expect_LPtoDP(hdc, 1000, -500); /* No change, need to re-set the mapping mode */
553 SetMapMode(hdc, MM_TEXT);
554 SetMapMode(hdc, MM_LOMETRIC);
555 expect_LPtoDP(hdc, 2000, -500);
556 expect_viewport_ext(hdc, 8000, -1000);
557 expect_window_ext(hdc, 4000, 2000);
558
559 r = pSetVirtualResolution(hdc, 8000, 1000, 200, 200); /* 40 pix/mm x 5 pix/mm */
560 ok(r == TRUE, "got %d\n", r);
561 SetMapMode(hdc, MM_TEXT);
562 SetMapMode(hdc, MM_LOMETRIC);
563 expect_LPtoDP(hdc, 4000, -500);
564 expect_viewport_ext(hdc, 8000, -1000);
565 expect_window_ext(hdc, 2000, 2000);
566
567 r = pSetVirtualResolution(hdc, 8000, 1000, 200, 200); /* 40 pix/mm x 5 pix/mm */
568 ok(r == TRUE, "got %d\n", r);
569 SetMapMode(hdc, MM_TEXT);
570 SetMapMode(hdc, MM_LOMETRIC);
571 expect_LPtoDP(hdc, 4000, -500);
572 expect_viewport_ext(hdc, 8000, -1000);
573 expect_window_ext(hdc, 2000, 2000);
574
575 r = pSetVirtualResolution(hdc, 8000, 2000, 200, 200); /* 40 pix/mm x 10 pix/mm */
576 ok(r == TRUE, "got %d\n", r);
577 SetMapMode(hdc, MM_TEXT);
578 SetMapMode(hdc, MM_LOMETRIC);
579 expect_LPtoDP(hdc, 4000, -1000);
580 expect_viewport_ext(hdc, 8000, -2000);
581 expect_window_ext(hdc, 2000, 2000);
582
583 r = pSetVirtualResolution(hdc, 0, 0, 10, 0); /* Error */
584 ok(r == FALSE, "got %d\n", r);
585 SetMapMode(hdc, MM_TEXT);
586 SetMapMode(hdc, MM_LOMETRIC);
587 expect_LPtoDP(hdc, 4000, -1000);
588 expect_viewport_ext(hdc, 8000, -2000);
589 expect_window_ext(hdc, 2000, 2000);
590
591 r = pSetVirtualResolution(hdc, 0, 0, 0, 0); /* Reset to true resolution */
592 ok(r == TRUE, "got %d\n", r);
593 SetMapMode(hdc, MM_TEXT);
594 SetMapMode(hdc, MM_LOMETRIC);
595 expect_viewport_ext(hdc, orig_lometric_vp.cx, orig_lometric_vp.cy);
596 expect_window_ext(hdc, orig_lometric_wnd.cx, orig_lometric_wnd.cy);
597
598 DeleteDC(hdc);
599 }
600
601
602 static inline void expect_identity(int line, XFORM *xf)
603 {
604 ok(xf->eM11 == 1.0, "%d: got %f\n", line, xf->eM11);
605 ok(xf->eM12 == 0.0, "%d: got %f\n", line, xf->eM12);
606 ok(xf->eM21 == 0.0, "%d: got %f\n", line, xf->eM21);
607 ok(xf->eM22 == 1.0, "%d: got %f\n", line, xf->eM22);
608 ok(xf->eDx == 0.0, "%d: got %f\n", line, xf->eDx);
609 ok(xf->eDy == 0.0, "%d: got %f\n", line, xf->eDy);
610 }
611
612 static inline void xform_near_match(int line, XFORM *got, XFORM *expect)
613 {
614 ok(fabs(got->eM11 - expect->eM11) < 0.001, "%d: got %f expect %f\n", line, got->eM11, expect->eM11);
615 ok(fabs(got->eM12 - expect->eM12) < 0.001, "%d: got %f expect %f\n", line, got->eM12, expect->eM12);
616 ok(fabs(got->eM21 - expect->eM21) < 0.001, "%d: got %f expect %f\n", line, got->eM21, expect->eM21);
617 ok(fabs(got->eM22 - expect->eM22) < 0.001, "%d: got %f expect %f\n", line, got->eM22, expect->eM22);
618 ok(fabs(got->eDx - expect->eDx) < 0.001, "%d: got %f expect %f\n", line, got->eDx, expect->eDx);
619 ok(fabs(got->eDy - expect->eDy) < 0.001, "%d: got %f expect %f\n", line, got->eDy, expect->eDy);
620 }
621
622
623 static void test_gettransform(void)
624 {
625 HDC hdc = CreateICA("DISPLAY", NULL, NULL, NULL);
626 XFORM xform, expect;
627 BOOL r;
628 SIZE lometric_vp, lometric_wnd;
629
630 if(!pGetTransform)
631 {
632 win_skip("Don't have GetTransform\n");
633 return;
634 }
635
636 r = pGetTransform(hdc, 0x203, &xform); /* World -> Page */
637 ok(r == TRUE, "got %d\n", r);
638 expect_identity(__LINE__, &xform);
639 r = pGetTransform(hdc, 0x304, &xform); /* Page -> Device */
640 ok(r == TRUE, "got %d\n", r);
641 expect_identity(__LINE__, &xform);
642 r = pGetTransform(hdc, 0x204, &xform); /* World -> Device */
643 ok(r == TRUE, "got %d\n", r);
644 expect_identity(__LINE__, &xform);
645 r = pGetTransform(hdc, 0x402, &xform); /* Device -> World */
646 ok(r == TRUE, "got %d\n", r);
647 expect_identity(__LINE__, &xform);
648
649 SetMapMode(hdc, MM_LOMETRIC);
650 GetViewportExtEx(hdc, &lometric_vp);
651 GetWindowExtEx(hdc, &lometric_wnd);
652
653 r = pGetTransform(hdc, 0x203, &xform); /* World -> Page */
654 ok(r == TRUE, "got %d\n", r);
655 expect_identity(__LINE__, &xform);
656
657 r = pGetTransform(hdc, 0x304, &xform); /* Page -> Device */
658 ok(r == TRUE, "got %d\n", r);
659 expect.eM11 = (FLOAT) lometric_vp.cx / lometric_wnd.cx;
660 expect.eM12 = expect.eM21 = 0.0;
661 expect.eM22 = (FLOAT) lometric_vp.cy / lometric_wnd.cy;
662 expect.eDx = expect.eDy = 0.0;
663 xform_near_match(__LINE__, &xform, &expect);
664
665 r = pGetTransform(hdc, 0x204, &xform); /* World -> Device */
666 ok(r == TRUE, "got %d\n", r);
667 xform_near_match(__LINE__, &xform, &expect);
668
669 r = pGetTransform(hdc, 0x402, &xform); /* Device -> World */
670 ok(r == TRUE, "got %d\n", r);
671 expect.eM11 = (FLOAT) lometric_wnd.cx / lometric_vp.cx;
672 expect.eM22 = (FLOAT) lometric_wnd.cy / lometric_vp.cy;
673 xform_near_match(__LINE__, &xform, &expect);
674
675
676 SetGraphicsMode(hdc, GM_ADVANCED);
677
678 expect.eM11 = 10.0;
679 expect.eM22 = 20.0;
680 SetWorldTransform(hdc, &expect);
681 r = pGetTransform(hdc, 0x203, &xform); /* World -> Page */
682 ok(r == TRUE, "got %d\n", r);
683 xform_near_match(__LINE__, &xform, &expect);
684
685 r = pGetTransform(hdc, 0x304, &xform); /* Page -> Device */
686 ok(r == TRUE, "got %d\n", r);
687 expect.eM11 = (FLOAT) lometric_vp.cx / lometric_wnd.cx;
688 expect.eM22 = (FLOAT) lometric_vp.cy / lometric_wnd.cy;
689 xform_near_match(__LINE__, &xform, &expect);
690
691 r = pGetTransform(hdc, 0x204, &xform); /* World -> Device */
692 ok(r == TRUE, "got %d\n", r);
693 expect.eM11 *= 10.0;
694 expect.eM22 *= 20.0;
695 xform_near_match(__LINE__, &xform, &expect);
696
697 r = pGetTransform(hdc, 0x402, &xform); /* Device -> World */
698 ok(r == TRUE, "got %d\n", r);
699 expect.eM11 = 1 / expect.eM11;
700 expect.eM22 = 1 / expect.eM22;
701 xform_near_match(__LINE__, &xform, &expect);
702
703 r = pGetTransform(hdc, 0x102, &xform);
704 ok(r == FALSE, "got %d\n", r);
705 r = pGetTransform(hdc, 0x103, &xform);
706 ok(r == FALSE, "got %d\n", r);
707 r = pGetTransform(hdc, 0x104, &xform);
708 ok(r == FALSE, "got %d\n", r);
709 r = pGetTransform(hdc, 0x202, &xform);
710 ok(r == FALSE, "got %d\n", r);
711 r = pGetTransform(hdc, 0x302, &xform);
712 ok(r == FALSE, "got %d\n", r);
713 r = pGetTransform(hdc, 0x303, &xform);
714 ok(r == FALSE, "got %d\n", r);
715 r = pGetTransform(hdc, 0x403, &xform);
716 ok(r == FALSE, "got %d\n", r);
717 r = pGetTransform(hdc, 0x404, &xform);
718 ok(r == FALSE, "got %d\n", r);
719 r = pGetTransform(hdc, 0xffff, &xform);
720 ok(r == FALSE, "got %d\n", r);
721 }
722
723 START_TEST(mapping)
724 {
725 HMODULE mod = GetModuleHandleA("gdi32.dll");
726 pGetLayout = (void *)GetProcAddress( mod, "GetLayout" );
727 pSetLayout = (void *)GetProcAddress( mod, "SetLayout" );
728 pGetRandomRgn = (void *)GetProcAddress( mod, "GetRandomRgn" );
729 pGetTransform = (void *)GetProcAddress( mod, "GetTransform" );
730 pSetVirtualResolution = (void *)GetProcAddress( mod, "SetVirtualResolution" );
731
732 test_modify_world_transform();
733 test_world_transform();
734 test_dc_layout();
735 test_isotropic_mapping();
736 test_setvirtualresolution();
737 test_gettransform();
738 }