ReactOS  0.4.14-dev-57-g333b8f1
dce.c
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1 /*
2  * Unit tests for DCE support
3  *
4  * Copyright 2005 Alexandre Julliard
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  */
20 
21 #include <stdlib.h>
22 #include <stdarg.h>
23 #include <stdio.h>
24 
25 #include "windef.h"
26 #include "winbase.h"
27 #include "wingdi.h"
28 #include "winuser.h"
29 
30 #include "wine/test.h"
31 
32 #ifndef DCX_USESTYLE
33 #define DCX_USESTYLE 0x00010000
34 #endif
35 
36 static HWND hwnd_cache, hwnd_owndc, hwnd_classdc, hwnd_classdc2, hwnd_parent, hwnd_parentdc;
37 
38 /* test behavior of DC attributes with various GetDC/ReleaseDC combinations */
39 static void test_dc_attributes(void)
40 {
41  HDC hdc, old_hdc;
42  HDC hdcs[20];
43  INT i, rop, def_rop, caps;
44  BOOL found_dc;
45 
46  /* test cache DC */
47 
48  hdc = GetDC( hwnd_cache );
49  def_rop = GetROP2( hdc );
50 
51  SetROP2( hdc, R2_WHITE );
52  rop = GetROP2( hdc );
53  ok( rop == R2_WHITE, "wrong ROP2 %d\n", rop );
54 
55  ok( WindowFromDC( hdc ) == hwnd_cache, "wrong window\n" );
56  ReleaseDC( hwnd_cache, hdc );
57  ok( WindowFromDC( hdc ) == 0, "wrong window\n" );
58  hdc = GetDC( hwnd_cache );
59  rop = GetROP2( hdc );
60  ok( rop == def_rop, "wrong ROP2 %d after release\n", rop );
61  SetROP2( hdc, R2_WHITE );
62  ok( WindowFromDC( hdc ) == hwnd_cache, "wrong window\n" );
63  ReleaseDC( hwnd_cache, hdc );
64  old_hdc = hdc;
65 
66  found_dc = FALSE;
67  for (i = 0; i < 20; i++)
68  {
69  hdc = hdcs[i] = GetDCEx( hwnd_cache, 0, DCX_USESTYLE | DCX_NORESETATTRS );
70  if (!hdc) break;
71  rop = GetROP2( hdc );
72  ok( rop == def_rop, "wrong ROP2 %d after release %p/%p\n", rop, old_hdc, hdc );
73  if (hdc == old_hdc)
74  {
75  found_dc = TRUE;
76  SetROP2( hdc, R2_WHITE );
77  }
78  }
79  if (!found_dc)
80  {
81  trace( "hdc %p not found in cache using %p\n", old_hdc, hdcs[0] );
82  old_hdc = hdcs[0];
83  SetROP2( old_hdc, R2_WHITE );
84  }
85  while (i > 0) ReleaseDC( hwnd_cache, hdcs[--i] );
86 
87  for (i = 0; i < 20; i++)
88  {
89  hdc = hdcs[i] = GetDCEx( hwnd_cache, 0, DCX_USESTYLE | DCX_NORESETATTRS );
90  if (!hdc) break;
91  rop = GetROP2( hdc );
92  if (hdc == old_hdc)
93  ok( rop == R2_WHITE || broken( rop == def_rop), /* win9x doesn't support DCX_NORESETATTRS */
94  "wrong ROP2 %d after release %p/%p\n", rop, old_hdc, hdc );
95  else
96  ok( rop == def_rop, "wrong ROP2 %d after release %p/%p\n", rop, old_hdc, hdc );
97  }
98  while (i > 0) ReleaseDC( hwnd_cache, hdcs[--i] );
99 
100  for (i = 0; i < 20; i++)
101  {
102  hdc = hdcs[i] = GetDCEx( hwnd_cache, 0, DCX_USESTYLE );
103  if (!hdc) break;
104  rop = GetROP2( hdc );
105  if (hdc == old_hdc)
106  {
107  ok( rop == R2_WHITE || broken( rop == def_rop),
108  "wrong ROP2 %d after release %p/%p\n", rop, old_hdc, hdc );
109  SetROP2( old_hdc, def_rop );
110  }
111  else
112  ok( rop == def_rop, "wrong ROP2 %d after release %p/%p\n", rop, old_hdc, hdc );
113  }
114  while (i > 0) ReleaseDC( hwnd_cache, hdcs[--i] );
115 
116  /* Released cache DCs are 'disabled' */
117  rop = SetROP2( old_hdc, R2_BLACK );
118  ok( rop == 0, "got %d\n", rop );
119  rop = GetROP2( old_hdc );
120  ok( rop == 0, "got %d\n", rop );
121  caps = GetDeviceCaps( old_hdc, HORZRES );
122  ok( caps == 0, "got %d\n", caps );
123  caps = GetDeviceCaps( old_hdc, VERTRES );
124  ok( caps == 0, "got %d\n", caps );
125  caps = GetDeviceCaps( old_hdc, NUMCOLORS );
126  ok( caps == 0, "got %d\n", caps );
127  ok( WindowFromDC( old_hdc ) == 0, "wrong window\n" );
128 
129  hdc = GetDC(0);
130  caps = GetDeviceCaps( hdc, HORZRES );
131  ok( caps != 0, "got %d\n", caps );
132  caps = GetDeviceCaps( hdc, VERTRES );
133  ok( caps != 0, "got %d\n", caps );
134  caps = GetDeviceCaps( hdc, NUMCOLORS );
135  ok( caps != 0, "got %d\n", caps );
136  ReleaseDC( 0, hdc );
137  caps = GetDeviceCaps( hdc, HORZRES );
138  ok( caps == 0, "got %d\n", caps );
139  caps = GetDeviceCaps( hdc, VERTRES );
140  ok( caps == 0, "got %d\n", caps );
141  caps = GetDeviceCaps( hdc, NUMCOLORS );
142  ok( caps == 0, "got %d\n", caps );
143 
144  /* test own DC */
145 
146  hdc = GetDC( hwnd_owndc );
147  SetROP2( hdc, R2_WHITE );
148  rop = GetROP2( hdc );
149  ok( rop == R2_WHITE, "wrong ROP2 %d\n", rop );
150 
151  old_hdc = hdc;
152  ok( WindowFromDC( hdc ) == hwnd_owndc, "wrong window\n" );
153  ReleaseDC( hwnd_owndc, hdc );
154  ok( WindowFromDC( hdc ) == hwnd_owndc, "wrong window\n" );
155  hdc = GetDC( hwnd_owndc );
156  ok( old_hdc == hdc, "didn't get same DC %p/%p\n", old_hdc, hdc );
157  rop = GetROP2( hdc );
158  ok( rop == R2_WHITE, "wrong ROP2 %d after release\n", rop );
159  ok( WindowFromDC( hdc ) == hwnd_owndc, "wrong window\n" );
160  ReleaseDC( hwnd_owndc, hdc );
161  rop = GetROP2( hdc );
162  ok( rop == R2_WHITE, "wrong ROP2 %d after second release\n", rop );
163 
164  /* test class DC */
165 
166  hdc = GetDC( hwnd_classdc );
167  SetROP2( hdc, R2_WHITE );
168  rop = GetROP2( hdc );
169  ok( rop == R2_WHITE, "wrong ROP2 %d\n", rop );
170 
171  old_hdc = hdc;
172  ok( WindowFromDC( hdc ) == hwnd_classdc, "wrong window\n" );
173  ReleaseDC( hwnd_classdc, hdc );
174  ok( WindowFromDC( hdc ) == hwnd_classdc, "wrong window\n" );
175  hdc = GetDC( hwnd_classdc );
176  ok( old_hdc == hdc, "didn't get same DC %p/%p\n", old_hdc, hdc );
177  rop = GetROP2( hdc );
178  ok( rop == R2_WHITE, "wrong ROP2 %d after release\n", rop );
179  ok( WindowFromDC( hdc ) == hwnd_classdc, "wrong window\n" );
180  ReleaseDC( hwnd_classdc, hdc );
181  rop = GetROP2( hdc );
182  ok( rop == R2_WHITE, "wrong ROP2 %d after second release\n", rop );
183 
184  /* test class DC with 2 windows */
185 
186  old_hdc = GetDC( hwnd_classdc );
187  SetROP2( old_hdc, R2_BLACK );
188  ok( WindowFromDC( old_hdc ) == hwnd_classdc, "wrong window\n" );
189  hdc = GetDC( hwnd_classdc2 );
190  ok( old_hdc == hdc, "didn't get same DC %p/%p\n", old_hdc, hdc );
191  rop = GetROP2( hdc );
192  ok( rop == R2_BLACK, "wrong ROP2 %d for other window\n", rop );
193  ok( WindowFromDC( hdc ) == hwnd_classdc2, "wrong window\n" );
194  ReleaseDC( hwnd_classdc, old_hdc );
195  ReleaseDC( hwnd_classdc, hdc );
196  ok( WindowFromDC( hdc ) == hwnd_classdc2, "wrong window\n" );
197  rop = GetROP2( hdc );
198  ok( rop == R2_BLACK, "wrong ROP2 %d after release\n", rop );
199 }
200 
201 
202 /* test behavior with various invalid parameters */
203 static void test_parameters(void)
204 {
205  HDC hdc;
206 
207  hdc = GetDC( hwnd_cache );
208  ok( ReleaseDC( hwnd_owndc, hdc ), "ReleaseDC with wrong window should succeed\n" );
209 
210  hdc = GetDC( hwnd_cache );
211  ok( !ReleaseDC( hwnd_cache, 0 ), "ReleaseDC with wrong HDC should fail\n" );
212  ok( ReleaseDC( hwnd_cache, hdc ), "correct ReleaseDC should succeed\n" );
213  ok( !ReleaseDC( hwnd_cache, hdc ), "second ReleaseDC should fail\n" );
214 
215  hdc = GetDC( hwnd_owndc );
216  ok( ReleaseDC( hwnd_cache, hdc ), "ReleaseDC with wrong window should succeed\n" );
217  hdc = GetDC( hwnd_owndc );
218  ok( ReleaseDC( hwnd_owndc, hdc ), "correct ReleaseDC should succeed\n" );
219  ok( ReleaseDC( hwnd_owndc, hdc ), "second ReleaseDC should succeed\n" );
220 
221  hdc = GetDC( hwnd_classdc );
222  ok( ReleaseDC( hwnd_cache, hdc ), "ReleaseDC with wrong window should succeed\n" );
223  hdc = GetDC( hwnd_classdc );
224  ok( ReleaseDC( hwnd_classdc, hdc ), "correct ReleaseDC should succeed\n" );
225  ok( ReleaseDC( hwnd_classdc, hdc ), "second ReleaseDC should succeed\n" );
226 }
227 
228 
229 static void test_dc_visrgn(void)
230 {
231  HDC old_hdc, hdc;
232  HRGN hrgn, hrgn2;
233  RECT rect, parent_rect;
234 
235  /* cache DC */
236 
237  SetRect( &rect, 10, 10, 20, 20 );
238  MapWindowPoints( hwnd_cache, 0, (POINT *)&rect, 2 );
239  hrgn = CreateRectRgnIndirect( &rect );
240  hdc = GetDCEx( hwnd_cache, hrgn, DCX_INTERSECTRGN | DCX_USESTYLE );
241  SetRectEmpty( &rect );
242  GetClipBox( hdc, &rect );
243  ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
244  "invalid clip box %s\n", wine_dbgstr_rect( &rect ));
245  ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
246  ReleaseDC( hwnd_cache, hdc );
247  ok( GetRgnBox( hrgn, &rect ) == ERROR, "region must no longer be valid\n" );
248 
249  /* cache DC with NORESETATTRS */
250 
251  SetRect( &rect, 10, 10, 20, 20 );
252  MapWindowPoints( hwnd_cache, 0, (POINT *)&rect, 2 );
253  hrgn = CreateRectRgnIndirect( &rect );
254  hdc = GetDCEx( hwnd_cache, hrgn, DCX_INTERSECTRGN | DCX_USESTYLE | DCX_NORESETATTRS );
255  SetRectEmpty( &rect );
256  GetClipBox( hdc, &rect );
257  ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
258  "invalid clip box %s\n", wine_dbgstr_rect( &rect ));
259  ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
260  ReleaseDC( hwnd_cache, hdc );
261  ok( GetRgnBox( hrgn, &rect ) == ERROR, "region must no longer be valid\n" );
262  hdc = GetDCEx( hwnd_cache, 0, DCX_USESTYLE | DCX_NORESETATTRS );
263  SetRectEmpty( &rect );
264  GetClipBox( hdc, &rect );
265  ok( !(rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20),
266  "clip box should have been reset %s\n", wine_dbgstr_rect( &rect ));
267  ReleaseDC( hwnd_cache, hdc );
268 
269  /* window DC */
270 
271  SetRect( &rect, 10, 10, 20, 20 );
272  MapWindowPoints( hwnd_owndc, 0, (POINT *)&rect, 2 );
273  hrgn = CreateRectRgnIndirect( &rect );
274  hdc = GetDCEx( hwnd_owndc, hrgn, DCX_INTERSECTRGN | DCX_USESTYLE );
275  SetRectEmpty( &rect );
276  GetClipBox( hdc, &rect );
277  ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
278  "invalid clip box %s\n", wine_dbgstr_rect( &rect ));
279  ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
280  ReleaseDC( hwnd_owndc, hdc );
281  ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
282  SetRectEmpty( &rect );
283  GetClipBox( hdc, &rect );
284  ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
285  "invalid clip box %s\n", wine_dbgstr_rect( &rect ));
286  hdc = GetDCEx( hwnd_owndc, 0, DCX_USESTYLE );
287  SetRectEmpty( &rect );
288  GetClipBox( hdc, &rect );
289  ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
290  "invalid clip box %s\n", wine_dbgstr_rect( &rect ));
291  ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
292  ReleaseDC( hwnd_owndc, hdc );
293  ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
294 
295  SetRect( &rect, 20, 20, 30, 30 );
296  MapWindowPoints( hwnd_owndc, 0, (POINT *)&rect, 2 );
297  hrgn2 = CreateRectRgnIndirect( &rect );
298  hdc = GetDCEx( hwnd_owndc, hrgn2, DCX_INTERSECTRGN | DCX_USESTYLE );
299  ok( GetRgnBox( hrgn, &rect ) == ERROR, "region must no longer be valid\n" );
300  SetRectEmpty( &rect );
301  GetClipBox( hdc, &rect );
302  ok( rect.left >= 20 && rect.top >= 20 && rect.right <= 30 && rect.bottom <= 30,
303  "invalid clip box %s\n", wine_dbgstr_rect( &rect ));
304  ok( GetRgnBox( hrgn2, &rect ) != ERROR, "region2 must still be valid\n" );
305  ReleaseDC( hwnd_owndc, hdc );
306  ok( GetRgnBox( hrgn2, &rect ) != ERROR, "region2 must still be valid\n" );
307  hdc = GetDCEx( hwnd_owndc, 0, DCX_EXCLUDERGN | DCX_USESTYLE );
308  ok( GetRgnBox( hrgn2, &rect ) == ERROR, "region must no longer be valid\n" );
309  SetRectEmpty( &rect );
310  GetClipBox( hdc, &rect );
311  ok( !(rect.left >= 20 && rect.top >= 20 && rect.right <= 30 && rect.bottom <= 30),
312  "clip box should have been reset %s\n", wine_dbgstr_rect( &rect ));
313  ReleaseDC( hwnd_owndc, hdc );
314 
315  /* class DC */
316 
317  SetRect( &rect, 10, 10, 20, 20 );
318  MapWindowPoints( hwnd_classdc, 0, (POINT *)&rect, 2 );
319  hrgn = CreateRectRgnIndirect( &rect );
320  hdc = GetDCEx( hwnd_classdc, hrgn, DCX_INTERSECTRGN | DCX_USESTYLE );
321  SetRectEmpty( &rect );
322  GetClipBox( hdc, &rect );
323  ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
324  "invalid clip box %s\n", wine_dbgstr_rect( &rect ));
325  ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
326  ReleaseDC( hwnd_classdc, hdc );
327  ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
328  SetRectEmpty( &rect );
329  GetClipBox( hdc, &rect );
330  ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
331  "invalid clip box %s\n", wine_dbgstr_rect( &rect ));
332 
333  hdc = GetDCEx( hwnd_classdc, 0, DCX_USESTYLE );
334  SetRectEmpty( &rect );
335  GetClipBox( hdc, &rect );
336  ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
337  "invalid clip box %s\n", wine_dbgstr_rect( &rect ));
338  ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
339  ReleaseDC( hwnd_classdc, hdc );
340  ok( GetRgnBox( hrgn, &rect ) != ERROR, "region must still be valid\n" );
341 
342  SetRect( &rect, 20, 20, 30, 30 );
343  MapWindowPoints( hwnd_classdc, 0, (POINT *)&rect, 2 );
344  hrgn2 = CreateRectRgnIndirect( &rect );
345  hdc = GetDCEx( hwnd_classdc, hrgn2, DCX_INTERSECTRGN | DCX_USESTYLE );
346  ok( GetRgnBox( hrgn, &rect ) == ERROR, "region must no longer be valid\n" );
347  SetRectEmpty( &rect );
348  GetClipBox( hdc, &rect );
349  ok( rect.left >= 20 && rect.top >= 20 && rect.right <= 30 && rect.bottom <= 30,
350  "invalid clip box %s\n", wine_dbgstr_rect( &rect ));
351  ok( GetRgnBox( hrgn2, &rect ) != ERROR, "region2 must still be valid\n" );
352 
353  old_hdc = hdc;
354  hdc = GetDCEx( hwnd_classdc2, 0, DCX_USESTYLE );
355  ok( old_hdc == hdc, "did not get the same hdc %p/%p\n", old_hdc, hdc );
356  ok( GetRgnBox( hrgn2, &rect ) != ERROR, "region2 must still be valid\n" );
357  SetRectEmpty( &rect );
358  GetClipBox( hdc, &rect );
359  ok( !(rect.left >= 20 && rect.top >= 20 && rect.right <= 30 && rect.bottom <= 30),
360  "clip box should have been reset %s\n", wine_dbgstr_rect( &rect ));
361  ReleaseDC( hwnd_classdc2, hdc );
362  ok( GetRgnBox( hrgn2, &rect ) != ERROR, "region2 must still be valid\n" );
363  hdc = GetDCEx( hwnd_classdc2, 0, DCX_EXCLUDERGN | DCX_USESTYLE );
364  ok( GetRgnBox( hrgn2, &rect ) != ERROR, "region2 must still be valid\n" );
365  ok( !(rect.left >= 20 && rect.top >= 20 && rect.right <= 30 && rect.bottom <= 30),
366  "clip box must have been reset %s\n", wine_dbgstr_rect( &rect ));
367  ReleaseDC( hwnd_classdc2, hdc );
368 
369  /* parent DC */
370  hdc = GetDC( hwnd_parentdc );
371  GetClipBox( hdc, &rect );
372  ReleaseDC( hwnd_parentdc, hdc );
373 
374  hdc = GetDC( hwnd_parent );
375  GetClipBox( hdc, &parent_rect );
376  ReleaseDC( hwnd_parent, hdc );
377 
378  ok( EqualRect( &rect, &parent_rect ), "rect = %s, expected %s\n", wine_dbgstr_rect( &rect ),
379  wine_dbgstr_rect( &parent_rect ));
380 }
381 
382 
383 /* test various BeginPaint/EndPaint behaviors */
384 static void test_begin_paint(void)
385 {
386  HDC old_hdc, hdc;
387  RECT rect, parent_rect;
388  PAINTSTRUCT ps;
389  COLORREF cr;
390 
391  /* cache DC */
392 
393  /* clear update region */
394  RedrawWindow( hwnd_cache, NULL, 0, RDW_VALIDATE|RDW_NOFRAME|RDW_NOERASE );
395  SetRect( &rect, 10, 10, 20, 20 );
396  RedrawWindow( hwnd_cache, &rect, 0, RDW_INVALIDATE );
397  hdc = BeginPaint( hwnd_cache, &ps );
398  SetRectEmpty( &rect );
399  GetClipBox( hdc, &rect );
400  ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
401  "invalid clip box %s\n", wine_dbgstr_rect( &rect ));
402  EndPaint( hwnd_cache, &ps );
403 
404  /* window DC */
405 
406  RedrawWindow( hwnd_owndc, NULL, 0, RDW_VALIDATE|RDW_NOFRAME|RDW_NOERASE );
407  SetRect( &rect, 10, 10, 20, 20 );
408  RedrawWindow( hwnd_owndc, &rect, 0, RDW_INVALIDATE );
409  hdc = BeginPaint( hwnd_owndc, &ps );
410  SetRectEmpty( &rect );
411  GetClipBox( hdc, &rect );
412  ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
413  "invalid clip box %s\n", wine_dbgstr_rect( &rect ));
414  ReleaseDC( hwnd_owndc, hdc );
415  SetRectEmpty( &rect );
416  GetClipBox( hdc, &rect );
417  ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
418  "invalid clip box %s\n", wine_dbgstr_rect( &rect ));
419  ok( GetDC( hwnd_owndc ) == hdc, "got different hdc\n" );
420  SetRectEmpty( &rect );
421  GetClipBox( hdc, &rect );
422  ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
423  "invalid clip box %s\n", wine_dbgstr_rect( &rect ));
424  EndPaint( hwnd_owndc, &ps );
425  SetRectEmpty( &rect );
426  GetClipBox( hdc, &rect );
427  ok( !(rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20),
428  "clip box should have been reset %s\n", wine_dbgstr_rect( &rect ));
429  RedrawWindow( hwnd_owndc, NULL, 0, RDW_VALIDATE|RDW_NOFRAME|RDW_NOERASE );
430  SetRect( &rect, 10, 10, 20, 20 );
431  RedrawWindow( hwnd_owndc, &rect, 0, RDW_INVALIDATE|RDW_ERASE );
432  ok( GetDC( hwnd_owndc ) == hdc, "got different hdc\n" );
433  SetRectEmpty( &rect );
434  GetClipBox( hdc, &rect );
435  ok( !(rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20),
436  "clip box should be the whole window %s\n", wine_dbgstr_rect( &rect ));
437  RedrawWindow( hwnd_owndc, NULL, 0, RDW_ERASENOW );
438  SetRectEmpty( &rect );
439  GetClipBox( hdc, &rect );
440  ok( !(rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20),
441  "clip box should still be the whole window %s\n", wine_dbgstr_rect( &rect ));
442 
443  /* class DC */
444 
445  RedrawWindow( hwnd_classdc, NULL, 0, RDW_VALIDATE|RDW_NOFRAME|RDW_NOERASE );
446  SetRect( &rect, 10, 10, 20, 20 );
447  RedrawWindow( hwnd_classdc, &rect, 0, RDW_INVALIDATE );
448  hdc = BeginPaint( hwnd_classdc, &ps );
449  SetRectEmpty( &rect );
450  GetClipBox( hdc, &rect );
451  ok( rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20,
452  "invalid clip box %s\n", wine_dbgstr_rect( &rect ));
453 
454  old_hdc = hdc;
455  hdc = GetDC( hwnd_classdc2 );
456  ok( old_hdc == hdc, "did not get the same hdc %p/%p\n", old_hdc, hdc );
457  SetRectEmpty( &rect );
458  GetClipBox( hdc, &rect );
459  ok( !(rect.left >= 10 && rect.top >= 10 && rect.right <= 20 && rect.bottom <= 20),
460  "clip box should have been reset %s\n", wine_dbgstr_rect( &rect ));
461  ReleaseDC( hwnd_classdc2, hdc );
462  EndPaint( hwnd_classdc, &ps );
463 
464  /* parent DC */
465  RedrawWindow( hwnd_parent, NULL, 0, RDW_VALIDATE|RDW_NOFRAME|RDW_NOERASE );
466  RedrawWindow( hwnd_parentdc, NULL, 0, RDW_INVALIDATE );
467  hdc = BeginPaint( hwnd_parentdc, &ps );
468  GetClipBox( hdc, &rect );
469  cr = SetPixel( hdc, 10, 10, RGB(255, 0, 0) );
470  ok( cr != -1, "error drawing outside of window client area\n" );
471  EndPaint( hwnd_parentdc, &ps );
472  GetClientRect( hwnd_parent, &parent_rect );
473 
474  ok( rect.left == parent_rect.left, "rect.left = %d, expected %d\n", rect.left, parent_rect.left );
475  ok( rect.top == parent_rect.top, "rect.top = %d, expected %d\n", rect.top, parent_rect.top );
476  todo_wine ok( rect.right == parent_rect.right, "rect.right = %d, expected %d\n", rect.right, parent_rect.right );
477  todo_wine ok( rect.bottom == parent_rect.bottom, "rect.bottom = %d, expected %d\n", rect.bottom, parent_rect.bottom );
478 
479  hdc = GetDC( hwnd_parent );
480  todo_wine ok( GetPixel( hdc, 10, 10 ) == cr, "error drawing outside of window client area\n" );
481  ReleaseDC( hwnd_parent, hdc );
482 }
483 
484 /* test ScrollWindow with window DCs */
485 static void test_scroll_window(void)
486 {
487  PAINTSTRUCT ps;
488  HDC hdc;
489  RECT clip, rect;
490 
491  /* ScrollWindow uses the window DC, ScrollWindowEx doesn't */
492 
493  UpdateWindow( hwnd_owndc );
494  SetRect( &clip, 25, 25, 50, 50 );
495  ScrollWindow( hwnd_owndc, -5, -10, NULL, &clip );
496  hdc = BeginPaint( hwnd_owndc, &ps );
497  SetRectEmpty( &rect );
498  GetClipBox( hdc, &rect );
499  ok( rect.left >= 25 && rect.top >= 25 && rect.right <= 50 && rect.bottom <= 50,
500  "invalid clip box %s\n", wine_dbgstr_rect( &rect ));
501  EndPaint( hwnd_owndc, &ps );
502 
503  SetViewportExtEx( hdc, 2, 3, NULL );
504  SetViewportOrgEx( hdc, 30, 20, NULL );
505 
506  ScrollWindow( hwnd_owndc, -5, -10, NULL, &clip );
507  hdc = BeginPaint( hwnd_owndc, &ps );
508  SetRectEmpty( &rect );
509  GetClipBox( hdc, &rect );
510  ok( rect.left >= 25 && rect.top >= 25 && rect.right <= 50 && rect.bottom <= 50,
511  "invalid clip box %s\n", wine_dbgstr_rect( &rect ));
512  EndPaint( hwnd_owndc, &ps );
513 
514  ScrollWindowEx( hwnd_owndc, -5, -10, NULL, &clip, 0, NULL, SW_INVALIDATE | SW_ERASE );
515  hdc = BeginPaint( hwnd_owndc, &ps );
516  SetRectEmpty( &rect );
517  GetClipBox( hdc, &rect );
518  ok( rect.left >= -5 && rect.top >= 5 && rect.right <= 20 && rect.bottom <= 30,
519  "invalid clip box %s\n", wine_dbgstr_rect( &rect ));
520  EndPaint( hwnd_owndc, &ps );
521 
522  SetViewportExtEx( hdc, 1, 1, NULL );
523  SetViewportOrgEx( hdc, 0, 0, NULL );
524 
525  ScrollWindowEx( hwnd_owndc, -5, -10, NULL, &clip, 0, NULL, SW_INVALIDATE | SW_ERASE );
526  hdc = BeginPaint( hwnd_owndc, &ps );
527  SetRectEmpty( &rect );
528  GetClipBox( hdc, &rect );
529  ok( rect.left >= 25 && rect.top >= 25 && rect.right <= 50 && rect.bottom <= 50,
530  "invalid clip box %s\n", wine_dbgstr_rect( &rect ));
531  EndPaint( hwnd_owndc, &ps );
532 }
533 
534 static void test_invisible_create(void)
535 {
536  HWND hwnd_owndc = CreateWindowA("owndc_class", NULL, WS_OVERLAPPED,
537  0, 200, 100, 100,
538  0, 0, GetModuleHandleA(0), NULL );
539  HDC dc1, dc2;
540 
541  dc1 = GetDC(hwnd_owndc);
542  dc2 = GetDC(hwnd_owndc);
543 
544  ok(dc1 == dc2, "expected owndc dcs to match\n");
545 
546  ReleaseDC(hwnd_owndc, dc2);
547  ReleaseDC(hwnd_owndc, dc1);
548  DestroyWindow(hwnd_owndc);
549 }
550 
551 static void test_dc_layout(void)
552 {
553  DWORD (WINAPI *pSetLayout)(HDC hdc, DWORD layout);
554  DWORD (WINAPI *pGetLayout)(HDC hdc);
555  HWND hwnd_cache_rtl, hwnd_owndc_rtl, hwnd_classdc_rtl, hwnd_classdc2_rtl;
556  HDC hdc;
557  DWORD layout;
558  HMODULE mod = GetModuleHandleA("gdi32.dll");
559 
560  pGetLayout = (void *)GetProcAddress( mod, "GetLayout" );
561  pSetLayout = (void *)GetProcAddress( mod, "SetLayout" );
562  if (!pGetLayout || !pSetLayout)
563  {
564  win_skip( "Don't have SetLayout\n" );
565  return;
566  }
567 
568  hdc = GetDC( hwnd_cache );
569  pSetLayout( hdc, LAYOUT_RTL );
570  layout = pGetLayout( hdc );
571  ReleaseDC( hwnd_cache, hdc );
572  if (!layout)
573  {
574  win_skip( "SetLayout not supported\n" );
575  return;
576  }
577 
578  hwnd_cache_rtl = CreateWindowExA(WS_EX_LAYOUTRTL, "cache_class", NULL, WS_OVERLAPPED | WS_VISIBLE,
579  0, 0, 100, 100, 0, 0, GetModuleHandleA(0), NULL );
580  hwnd_owndc_rtl = CreateWindowExA(WS_EX_LAYOUTRTL, "owndc_class", NULL, WS_OVERLAPPED | WS_VISIBLE,
581  0, 200, 100, 100, 0, 0, GetModuleHandleA(0), NULL );
582  hwnd_classdc_rtl = CreateWindowExA(WS_EX_LAYOUTRTL, "classdc_class", NULL, WS_OVERLAPPED | WS_VISIBLE,
583  200, 0, 100, 100, 0, 0, GetModuleHandleA(0), NULL );
584  hwnd_classdc2_rtl = CreateWindowExA(WS_EX_LAYOUTRTL, "classdc_class", NULL, WS_OVERLAPPED | WS_VISIBLE,
585  200, 200, 100, 100, 0, 0, GetModuleHandleA(0), NULL );
586  hdc = GetDC( hwnd_cache_rtl );
587  layout = pGetLayout( hdc );
588 
589  ok( layout == LAYOUT_RTL, "wrong layout %x\n", layout );
590  pSetLayout( hdc, 0 );
591  ReleaseDC( hwnd_cache_rtl, hdc );
592  hdc = GetDC( hwnd_owndc_rtl );
593  layout = pGetLayout( hdc );
594  ok( layout == LAYOUT_RTL, "wrong layout %x\n", layout );
595  ReleaseDC( hwnd_cache_rtl, hdc );
596 
597  hdc = GetDC( hwnd_cache );
598  layout = pGetLayout( hdc );
599  ok( layout == 0, "wrong layout %x\n", layout );
600  ReleaseDC( hwnd_cache, hdc );
601 
602  hdc = GetDC( hwnd_owndc_rtl );
603  layout = pGetLayout( hdc );
604  ok( layout == LAYOUT_RTL, "wrong layout %x\n", layout );
605  pSetLayout( hdc, 0 );
606  ReleaseDC( hwnd_owndc_rtl, hdc );
607  hdc = GetDC( hwnd_owndc_rtl );
608  layout = pGetLayout( hdc );
609  ok( layout == LAYOUT_RTL, "wrong layout %x\n", layout );
610  ReleaseDC( hwnd_owndc_rtl, hdc );
611 
612  hdc = GetDC( hwnd_classdc_rtl );
613  layout = pGetLayout( hdc );
614  ok( layout == LAYOUT_RTL, "wrong layout %x\n", layout );
615  pSetLayout( hdc, 0 );
616  ReleaseDC( hwnd_classdc_rtl, hdc );
617  hdc = GetDC( hwnd_classdc2_rtl );
618  layout = pGetLayout( hdc );
619  ok( layout == LAYOUT_RTL, "wrong layout %x\n", layout );
620  ReleaseDC( hwnd_classdc2_rtl, hdc );
621  hdc = GetDC( hwnd_classdc );
622  layout = pGetLayout( hdc );
623  ok( layout == LAYOUT_RTL, "wrong layout %x\n", layout );
624  ReleaseDC( hwnd_classdc_rtl, hdc );
625 
626  DestroyWindow(hwnd_classdc2_rtl);
627  DestroyWindow(hwnd_classdc_rtl);
628  DestroyWindow(hwnd_owndc_rtl);
629  DestroyWindow(hwnd_cache_rtl);
630 }
631 
632 static void test_destroyed_window(void)
633 {
634  HDC dc, old_dc;
635  HDC hdcs[30];
636  int i, rop;
637 
638  dc = GetDC( hwnd_cache );
639  SetROP2( dc, R2_WHITE );
640  rop = GetROP2( dc );
641  ok( rop == R2_WHITE, "wrong ROP2 %d\n", rop );
642  ok( WindowFromDC( dc ) == hwnd_cache, "wrong window\n" );
643  old_dc = dc;
644 
645  DestroyWindow( hwnd_cache );
646  rop = GetROP2( dc );
647  ok( rop == 0, "wrong ROP2 %d\n", rop );
648  ok( WindowFromDC( dc ) == 0, "wrong window\n" );
649  ok( !ReleaseDC( hwnd_cache, dc ), "ReleaseDC succeeded\n" );
650  dc = GetDC( hwnd_cache );
651  ok( !dc, "Got a non-NULL DC (%p) for a destroyed window\n", dc );
652 
653  for (i = 0; i < 30; i++)
654  {
655  dc = hdcs[i] = GetDCEx( hwnd_parent, 0, DCX_CACHE | DCX_USESTYLE );
656  if (dc == old_dc) break;
657  }
658  ok( i < 30, "DC for destroyed window not reused\n" );
659  while (i > 0) ReleaseDC( hwnd_parent, hdcs[--i] );
660 
661  dc = GetDC( hwnd_classdc );
662  SetROP2( dc, R2_WHITE );
663  rop = GetROP2( dc );
664  ok( rop == R2_WHITE, "wrong ROP2 %d\n", rop );
665  ok( WindowFromDC( dc ) == hwnd_classdc, "wrong window\n" );
666  old_dc = dc;
667 
668  dc = GetDC( hwnd_classdc2 );
669  ok( old_dc == dc, "wrong DC\n" );
670  rop = GetROP2( dc );
671  ok( rop == R2_WHITE, "wrong ROP2 %d\n", rop );
672  ok( WindowFromDC( dc ) == hwnd_classdc2, "wrong window\n" );
673  DestroyWindow( hwnd_classdc2 );
674 
675  rop = GetROP2( dc );
676  ok( rop == R2_WHITE, "wrong ROP2 %d\n", rop );
677  ok( WindowFromDC( dc ) == 0, "wrong window\n" );
678  ok( !ReleaseDC( hwnd_classdc2, dc ), "ReleaseDC succeeded\n" );
679  dc = GetDC( hwnd_classdc2 );
680  ok( !dc, "Got a non-NULL DC (%p) for a destroyed window\n", dc );
681 
682  dc = GetDC( hwnd_classdc );
683  ok( dc != 0, "Got NULL DC\n" );
684  rop = GetROP2( dc );
685  ok( rop == R2_WHITE, "wrong ROP2 %d\n", rop );
686  ok( WindowFromDC( dc ) == hwnd_classdc, "wrong window\n" );
687  DestroyWindow( hwnd_classdc );
688 
689  rop = GetROP2( dc );
690  ok( rop == R2_WHITE, "wrong ROP2 %d\n", rop );
691  ok( WindowFromDC( dc ) == 0, "wrong window\n" );
692  ok( !ReleaseDC( hwnd_classdc, dc ), "ReleaseDC succeeded\n" );
693  dc = GetDC( hwnd_classdc );
694  ok( !dc, "Got a non-NULL DC (%p) for a destroyed window\n", dc );
695 
696  dc = GetDC( hwnd_owndc );
697  ok( dc != 0, "Got NULL DC\n" );
698  rop = GetROP2( dc );
699  ok( rop == R2_WHITE, "wrong ROP2 %d\n", rop );
700  ok( WindowFromDC( dc ) == hwnd_owndc, "wrong window\n" );
701  DestroyWindow( hwnd_owndc );
702 
703  rop = GetROP2( dc );
704  ok( rop == 0, "wrong ROP2 %d\n", rop );
705  ok( WindowFromDC( dc ) == 0, "wrong window\n" );
706  ok( !ReleaseDC( hwnd_owndc, dc ), "ReleaseDC succeeded\n" );
707  dc = GetDC( hwnd_owndc );
708  ok( !dc, "Got a non-NULL DC (%p) for a destroyed window\n", dc );
709 
710  DestroyWindow( hwnd_parent );
711 }
712 
713 START_TEST(dce)
714 {
715  WNDCLASSA cls;
716 
717  cls.style = CS_DBLCLKS;
718  cls.lpfnWndProc = DefWindowProcA;
719  cls.cbClsExtra = 0;
720  cls.cbWndExtra = 0;
721  cls.hInstance = GetModuleHandleA(0);
722  cls.hIcon = 0;
723  cls.hCursor = LoadCursorA(0, (LPCSTR)IDC_ARROW);
724  cls.hbrBackground = GetStockObject(WHITE_BRUSH);
725  cls.lpszMenuName = NULL;
726  cls.lpszClassName = "cache_class";
727  RegisterClassA(&cls);
728  cls.style = CS_DBLCLKS | CS_OWNDC;
729  cls.lpszClassName = "owndc_class";
730  RegisterClassA(&cls);
731  cls.style = CS_DBLCLKS | CS_CLASSDC;
732  cls.lpszClassName = "classdc_class";
733  RegisterClassA(&cls);
734  cls.style = CS_PARENTDC;
735  cls.lpszClassName = "parentdc_class";
736  RegisterClassA(&cls);
737 
738  hwnd_cache = CreateWindowA("cache_class", NULL, WS_OVERLAPPED | WS_VISIBLE,
739  0, 0, 100, 100,
740  0, 0, GetModuleHandleA(0), NULL );
741  hwnd_owndc = CreateWindowA("owndc_class", NULL, WS_OVERLAPPED | WS_VISIBLE,
742  0, 200, 100, 100,
743  0, 0, GetModuleHandleA(0), NULL );
744  hwnd_classdc = CreateWindowA("classdc_class", NULL, WS_OVERLAPPED | WS_VISIBLE,
745  200, 0, 100, 100,
746  0, 0, GetModuleHandleA(0), NULL );
747  hwnd_classdc2 = CreateWindowA("classdc_class", NULL, WS_OVERLAPPED | WS_VISIBLE,
748  200, 200, 100, 100,
749  0, 0, GetModuleHandleA(0), NULL );
750  hwnd_parent = CreateWindowA("static", NULL, WS_OVERLAPPED | WS_VISIBLE,
751  400, 0, 100, 100, 0, 0, 0, NULL );
752  hwnd_parentdc = CreateWindowA("parentdc_class", NULL, WS_CHILD | WS_VISIBLE,
753  0, 0, 1, 1, hwnd_parent, 0, 0, NULL );
754 
755  test_dc_attributes();
756  test_parameters();
757  test_dc_visrgn();
758  test_begin_paint();
759  test_scroll_window();
760  test_invisible_create();
761  test_dc_layout();
762  /* this should be last */
763  test_destroyed_window();
764 }
GetStockObject
HGDIOBJ WINAPI GetStockObject(_In_ int)
RedrawWindow
BOOL WINAPI RedrawWindow(_In_opt_ HWND, _In_opt_ LPCRECT, _In_opt_ HRGN, _In_ UINT)
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GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
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