2 * Unit tests for mapping functions
4 * Copyright (c) 2005 Huw Davies
5 * Copyright (c) 2008 Dmitry Timoshkov
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.
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.
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
26 #include "wine/test.h"
32 #define rough_match(got, expected) (abs((got) - (expected)) <= 5)
34 #define expect_LPtoDP(_hdc, _x, _y) \
36 POINT _pt = { 1000, 1000 }; \
37 LPtoDP(_hdc, &_pt, 1); \
38 ok(rough_match(_pt.x, _x), "expected x %d, got %d\n", (_x), _pt.x); \
39 ok(rough_match(_pt.y, _y), "expected y %d, got %d\n", (_y), _pt.y); \
42 #define expect_world_trasform(_hdc, _em11, _em22) \
46 SetLastError(0xdeadbeef); \
47 _ret = GetWorldTransform(_hdc, &_xform); \
48 if (GetLastError() != ERROR_CALL_NOT_IMPLEMENTED) \
50 ok(_ret, "GetWorldTransform error %u\n", GetLastError()); \
51 ok(_xform.eM11 == (_em11), "expected %f, got %f\n", (_em11), _xform.eM11); \
52 ok(_xform.eM12 == 0.0, "expected 0.0, got %f\n", _xform.eM12); \
53 ok(_xform.eM21 == 0.0, "expected 0.0, got %f\n", _xform.eM21); \
54 ok(_xform.eM22 == (_em22), "expected %f, got %f\n", (_em22), _xform.eM22); \
55 ok(_xform.eDx == 0.0, "expected 0.0, got %f\n", _xform.eDx); \
56 ok(_xform.eDy == 0.0, "expected 0.0, got %f\n", _xform.eDy); \
60 #define expect_dc_ext(_func, _hdc, _cx, _cy) \
64 SetLastError(0xdeadbeef); \
65 _ret = _func(_hdc, &_size); \
66 ok(_ret, #_func " error %u\n", GetLastError()); \
67 ok(_size.cx == (_cx), "expected cx %d, got %d\n", (_cx), _size.cx); \
68 ok(_size.cy == (_cy), "expected cy %d, got %d\n", (_cy), _size.cy); \
71 #define expect_viewport_ext(_hdc, _cx, _cy) expect_dc_ext(GetViewportExtEx, _hdc, _cx, _cy)
72 #define expect_window_ext(_hdc, _cx, _cy) expect_dc_ext(GetWindowExtEx, _hdc, _cx, _cy)
74 static void test_world_transform(void)
78 INT ret
, size_cx
, size_cy
, res_x
, res_y
, dpi_x
, dpi_y
;
82 SetLastError(0xdeadbeef);
83 GetWorldTransform(0, NULL
);
84 is_win9x
= GetLastError() == ERROR_CALL_NOT_IMPLEMENTED
;
86 hdc
= CreateCompatibleDC(0);
88 size_cx
= GetDeviceCaps(hdc
, HORZSIZE
);
89 size_cy
= GetDeviceCaps(hdc
, VERTSIZE
);
90 res_x
= GetDeviceCaps(hdc
, HORZRES
);
91 res_y
= GetDeviceCaps(hdc
, VERTRES
);
92 dpi_x
= GetDeviceCaps(hdc
, LOGPIXELSX
);
93 dpi_y
= GetDeviceCaps(hdc
, LOGPIXELSY
);
94 trace("dc size %d x %d, resolution %d x %d dpi %d x %d\n",
95 size_cx
, size_cy
, res_x
, res_y
, dpi_x
, dpi_y
);
97 expect_viewport_ext(hdc
, 1, 1);
98 expect_window_ext(hdc
, 1, 1);
99 expect_world_trasform(hdc
, 1.0, 1.0);
100 expect_LPtoDP(hdc
, 1000, 1000);
102 SetLastError(0xdeadbeef);
103 ret
= SetMapMode(hdc
, MM_LOMETRIC
);
104 ok(ret
== MM_TEXT
, "expected MM_TEXT, got %d\n", ret
);
108 expect_viewport_ext(hdc
, dpi_x
, dpi_y
);
109 expect_window_ext(hdc
, 254, -254);
113 expect_viewport_ext(hdc
, res_x
, -res_y
);
114 ok( GetWindowExtEx( hdc
, &size
), "GetWindowExtEx failed\n" );
115 ok( size
.cx
== size_cx
* 10 ||
116 size
.cx
== MulDiv( res_x
, 254, dpi_x
), /* Vista uses a more precise method */
117 "expected cx %d or %d, got %d\n", size_cx
* 10, MulDiv( res_x
, 254, dpi_x
), size
.cx
);
118 ok( size
.cy
== size_cy
* 10 ||
119 size
.cy
== MulDiv( res_y
, 254, dpi_y
), /* Vista uses a more precise method */
120 "expected cy %d or %d, got %d\n", size_cy
* 10, MulDiv( res_y
, 254, dpi_y
), size
.cy
);
122 expect_world_trasform(hdc
, 1.0, 1.0);
123 expect_LPtoDP(hdc
, MulDiv(1000 / 10, res_x
, size_cx
), -MulDiv(1000 / 10, res_y
, size_cy
));
125 SetLastError(0xdeadbeef);
126 ret
= SetMapMode(hdc
, MM_TEXT
);
127 ok(ret
== MM_LOMETRIC
, "expected MM_LOMETRIC, got %d\n", ret
);
129 expect_viewport_ext(hdc
, 1, 1);
130 expect_window_ext(hdc
, 1, 1);
131 expect_world_trasform(hdc
, 1.0, 1.0);
132 expect_LPtoDP(hdc
, 1000, 1000);
134 ret
= SetGraphicsMode(hdc
, GM_ADVANCED
);
138 skip("GM_ADVANCED is not supported on this platform\n");
142 expect_viewport_ext(hdc
, 1, 1);
143 expect_window_ext(hdc
, 1, 1);
144 expect_world_trasform(hdc
, 1.0, 1.0);
145 expect_LPtoDP(hdc
, 1000, 1000);
153 SetLastError(0xdeadbeef);
154 ret
= SetWorldTransform(hdc
, &xform
);
155 ok(ret
, "SetWorldTransform error %u\n", GetLastError());
157 expect_viewport_ext(hdc
, 1, 1);
158 expect_window_ext(hdc
, 1, 1);
159 expect_world_trasform(hdc
, 20.0, 20.0);
160 expect_LPtoDP(hdc
, 20000, 20000);
162 SetLastError(0xdeadbeef);
163 ret
= SetMapMode(hdc
, MM_LOMETRIC
);
164 ok(ret
== MM_TEXT
, "expected MM_TEXT, got %d\n", ret
);
166 expect_viewport_ext(hdc
, res_x
, -res_y
);
167 ok( GetWindowExtEx( hdc
, &size
), "GetWindowExtEx failed\n" );
168 ok( size
.cx
== size_cx
* 10 ||
169 size
.cx
== MulDiv( res_x
, 254, dpi_x
), /* Vista uses a more precise method */
170 "expected cx %d or %d, got %d\n", size_cx
* 10, MulDiv( res_x
, 254, dpi_x
), size
.cx
);
171 ok( size
.cy
== size_cy
* 10 ||
172 size
.cy
== MulDiv( res_y
, 254, dpi_y
), /* Vista uses a more precise method */
173 "expected cy %d or %d, got %d\n", size_cy
* 10, MulDiv( res_y
, 254, dpi_y
), size
.cy
);
174 expect_world_trasform(hdc
, 20.0, 20.0);
175 expect_LPtoDP(hdc
, MulDiv(20000, res_x
, size
.cx
), -MulDiv(20000, res_y
, size
.cy
));
177 SetLastError(0xdeadbeef);
178 ret
= SetMapMode(hdc
, MM_TEXT
);
179 ok(ret
== MM_LOMETRIC
, "expected MM_LOMETRIC, got %d\n", ret
);
181 expect_viewport_ext(hdc
, 1, 1);
182 expect_window_ext(hdc
, 1, 1);
183 expect_world_trasform(hdc
, 20.0, 20.0);
184 expect_LPtoDP(hdc
, 20000, 20000);
189 static void test_modify_world_transform(void)
194 ret
= SetGraphicsMode(hdc
, GM_ADVANCED
);
195 if(!ret
) /* running in win9x so quit */
198 skip("GM_ADVANCED is not supported on this platform\n");
202 ret
= ModifyWorldTransform(hdc
, NULL
, MWT_IDENTITY
);
203 ok(ret
, "ret = %d\n", ret
);
205 ret
= ModifyWorldTransform(hdc
, NULL
, MWT_LEFTMULTIPLY
);
206 ok(!ret
, "ret = %d\n", ret
);
208 ret
= ModifyWorldTransform(hdc
, NULL
, MWT_RIGHTMULTIPLY
);
209 ok(!ret
, "ret = %d\n", ret
);
214 static void test_SetWindowExt(HDC hdc
, LONG cx
, LONG cy
, LONG expected_vp_cx
, LONG expected_vp_cy
)
216 SIZE windowExt
, viewportExt
;
217 POINT windowOrg
, windowOrgAfter
, viewportOrg
, viewportOrgAfter
;
219 GetWindowOrgEx(hdc
, &windowOrg
);
220 GetViewportOrgEx(hdc
, &viewportOrg
);
222 SetWindowExtEx(hdc
, cx
, cy
, NULL
);
223 GetWindowExtEx(hdc
, &windowExt
);
224 ok(windowExt
.cx
== cx
&& windowExt
.cy
== cy
,
225 "Window extension: Expected %dx%d, got %dx%d\n",
226 cx
, cy
, windowExt
.cx
, windowExt
.cy
);
228 GetViewportExtEx(hdc
, &viewportExt
);
229 ok(rough_match(viewportExt
.cx
, expected_vp_cx
) && rough_match(viewportExt
.cy
, expected_vp_cy
),
230 "Viewport extents have not been properly adjusted: Expected %dx%d, got %dx%d\n",
231 expected_vp_cx
, expected_vp_cy
, viewportExt
.cx
, viewportExt
.cy
);
233 GetWindowOrgEx(hdc
, &windowOrgAfter
);
234 ok(windowOrg
.x
== windowOrgAfter
.x
&& windowOrg
.y
== windowOrgAfter
.y
,
235 "Window origin changed from (%d,%d) to (%d,%d)\n",
236 windowOrg
.x
, windowOrg
.y
, windowOrgAfter
.x
, windowOrgAfter
.y
);
238 GetViewportOrgEx(hdc
, &viewportOrgAfter
);
239 ok(viewportOrg
.x
== viewportOrgAfter
.x
&& viewportOrg
.y
== viewportOrgAfter
.y
,
240 "Viewport origin changed from (%d,%d) to (%d,%d)\n",
241 viewportOrg
.x
, viewportOrg
.y
, viewportOrgAfter
.x
, viewportOrgAfter
.y
);
244 static void test_SetViewportExt(HDC hdc
, LONG cx
, LONG cy
, LONG expected_vp_cx
, LONG expected_vp_cy
)
246 SIZE windowExt
, windowExtAfter
, viewportExt
;
247 POINT windowOrg
, windowOrgAfter
, viewportOrg
, viewportOrgAfter
;
249 GetWindowOrgEx(hdc
, &windowOrg
);
250 GetViewportOrgEx(hdc
, &viewportOrg
);
251 GetWindowExtEx(hdc
, &windowExt
);
253 SetViewportExtEx(hdc
, cx
, cy
, NULL
);
254 GetViewportExtEx(hdc
, &viewportExt
);
255 ok(rough_match(viewportExt
.cx
, expected_vp_cx
) && rough_match(viewportExt
.cy
, expected_vp_cy
),
256 "Viewport extents have not been properly adjusted: Expected %dx%d, got %dx%d\n",
257 expected_vp_cx
, expected_vp_cy
, viewportExt
.cx
, viewportExt
.cy
);
259 GetWindowExtEx(hdc
, &windowExtAfter
);
260 ok(windowExt
.cx
== windowExtAfter
.cx
&& windowExt
.cy
== windowExtAfter
.cy
,
261 "Window extension changed from %dx%d to %dx%d\n",
262 windowExt
.cx
, windowExt
.cy
, windowExtAfter
.cx
, windowExtAfter
.cy
);
264 GetWindowOrgEx(hdc
, &windowOrgAfter
);
265 ok(windowOrg
.x
== windowOrgAfter
.x
&& windowOrg
.y
== windowOrgAfter
.y
,
266 "Window origin changed from (%d,%d) to (%d,%d)\n",
267 windowOrg
.x
, windowOrg
.y
, windowOrgAfter
.x
, windowOrgAfter
.y
);
269 GetViewportOrgEx(hdc
, &viewportOrgAfter
);
270 ok(viewportOrg
.x
== viewportOrgAfter
.x
&& viewportOrg
.y
== viewportOrgAfter
.y
,
271 "Viewport origin changed from (%d,%d) to (%d,%d)\n",
272 viewportOrg
.x
, viewportOrg
.y
, viewportOrgAfter
.x
, viewportOrgAfter
.y
);
275 static void test_isotropic_mapping(void)
280 SetMapMode(hdc
, MM_ISOTROPIC
);
282 /* MM_ISOTROPIC is set up like MM_LOMETRIC.
283 Initial values after SetMapMode():
286 Windows 9x: Windows NT:
287 Window Ext: 254 x -254 HORZSIZE*10 x VERTSIZE*10
288 Viewport Ext: LOGPIXELSX x LOGPIXELSY HORZRES x -VERTRES
290 To test without rounding errors, we have to use multiples of
294 GetWindowExtEx(hdc
, &win
);
295 GetViewportExtEx(hdc
, &vp
);
297 test_SetViewportExt(hdc
, 10 * vp
.cx
, 10 * vp
.cy
, 10 * vp
.cx
, 10 * vp
.cy
);
298 test_SetWindowExt(hdc
, win
.cx
, win
.cy
, 10 * vp
.cx
, 10 * vp
.cy
);
299 test_SetWindowExt(hdc
, 2 * win
.cx
, win
.cy
, 10 * vp
.cx
, 5 * vp
.cy
);
300 test_SetWindowExt(hdc
, win
.cx
, win
.cy
, 5 * vp
.cx
, 5 * vp
.cy
);
301 test_SetViewportExt(hdc
, 4 * vp
.cx
, 2 * vp
.cy
, 2 * vp
.cx
, 2 * vp
.cy
);
302 test_SetViewportExt(hdc
, vp
.cx
, 2 * vp
.cy
, vp
.cx
, vp
.cy
);
303 test_SetViewportExt(hdc
, 2 * vp
.cx
, 2 * vp
.cy
, 2 * vp
.cx
, 2 * vp
.cy
);
304 test_SetViewportExt(hdc
, 4 * vp
.cx
, 2 * vp
.cy
, 2 * vp
.cx
, 2 * vp
.cy
);
305 test_SetWindowExt(hdc
, 4 * win
.cx
, 2 * win
.cy
, 2 * vp
.cx
, vp
.cy
);
306 test_SetViewportExt(hdc
, -2 * vp
.cx
, -4 * vp
.cy
, -2 * vp
.cx
, -vp
.cy
);
307 test_SetViewportExt(hdc
, -2 * vp
.cx
, -1 * vp
.cy
, -2 * vp
.cx
, -vp
.cy
);
308 test_SetWindowExt(hdc
, -4 * win
.cx
, -2 * win
.cy
, -2 * vp
.cx
, -vp
.cy
);
309 test_SetWindowExt(hdc
, 4 * win
.cx
, -4 * win
.cy
, -vp
.cx
, -vp
.cy
);
316 test_modify_world_transform();
317 test_world_transform();
318 test_isotropic_mapping();