ReactOS  0.4.13-dev-241-g63286c6
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 }
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Definition: dce.c:36
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