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push 3cf4bc9cdb38c4fc36232fe19b9b904fd4d068e9
[wine/hacks.git] / dlls / oleaut32 / tests / olepicture.c
blob89e99dde3d2a915d0edf9d599d75e03ec8731778
1 /*
2 * OLEPICTURE test program
3 *
4 * Copyright 2005 Marcus Meissner
5 *
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 <stdarg.h>
23 #include <stdio.h>
24 #include <math.h>
25 #include <float.h>
26
27 #define COBJMACROS
28 #define NONAMELESSUNION
29
30 #include "wine/test.h"
31 #include <windef.h>
32 #include <winbase.h>
33 #include <winuser.h>
34 #include <wingdi.h>
35 #include <winnls.h>
36 #include <winerror.h>
37 #include <winnt.h>
38
39 #include <wtypes.h>
40 #include <olectl.h>
41 #include <objidl.h>
42
43 #define expect_eq(expr, value, type, format) { type ret = (expr); ok((value) == ret, #expr " expected " format " got " format "\n", value, ret); }
44
45 #define ole_expect(expr, expect) { \
46 HRESULT r = expr; \
47 ok(r == (expect), #expr " returned %x, expected %s (%x)\n", r, #expect, expect); \
48 }
49
50 #define ole_check(expr) ole_expect(expr, S_OK);
51
52 static HMODULE hOleaut32;
53
54 static HRESULT (WINAPI *pOleLoadPicture)(LPSTREAM,LONG,BOOL,REFIID,LPVOID*);
55 static HRESULT (WINAPI *pOleCreatePictureIndirect)(PICTDESC*,REFIID,BOOL,LPVOID*);
56
57 #define ok_ole_success(hr, func) ok(hr == S_OK, func " failed with error 0x%08x\n", hr)
58
59 /* 1x1 pixel gif */
60 static const unsigned char gifimage[35] = {
61 0x47,0x49,0x46,0x38,0x37,0x61,0x01,0x00,0x01,0x00,0x80,0x00,0x00,0xff,0xff,0xff,
62 0xff,0xff,0xff,0x2c,0x00,0x00,0x00,0x00,0x01,0x00,0x01,0x00,0x00,0x02,0x02,0x44,
63 0x01,0x00,0x3b
64 };
65
66 /* 1x1 pixel jpg */
67 static const unsigned char jpgimage[285] = {
68 0xff,0xd8,0xff,0xe0,0x00,0x10,0x4a,0x46,0x49,0x46,0x00,0x01,0x01,0x01,0x01,0x2c,
69 0x01,0x2c,0x00,0x00,0xff,0xdb,0x00,0x43,0x00,0x05,0x03,0x04,0x04,0x04,0x03,0x05,
70 0x04,0x04,0x04,0x05,0x05,0x05,0x06,0x07,0x0c,0x08,0x07,0x07,0x07,0x07,0x0f,0x0b,
71 0x0b,0x09,0x0c,0x11,0x0f,0x12,0x12,0x11,0x0f,0x11,0x11,0x13,0x16,0x1c,0x17,0x13,
72 0x14,0x1a,0x15,0x11,0x11,0x18,0x21,0x18,0x1a,0x1d,0x1d,0x1f,0x1f,0x1f,0x13,0x17,
73 0x22,0x24,0x22,0x1e,0x24,0x1c,0x1e,0x1f,0x1e,0xff,0xdb,0x00,0x43,0x01,0x05,0x05,
74 0x05,0x07,0x06,0x07,0x0e,0x08,0x08,0x0e,0x1e,0x14,0x11,0x14,0x1e,0x1e,0x1e,0x1e,
75 0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,
76 0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,
77 0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0xff,0xc0,
78 0x00,0x11,0x08,0x00,0x01,0x00,0x01,0x03,0x01,0x22,0x00,0x02,0x11,0x01,0x03,0x11,
79 0x01,0xff,0xc4,0x00,0x15,0x00,0x01,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
80 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0xff,0xc4,0x00,0x14,0x10,0x01,0x00,0x00,
81 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xc4,
82 0x00,0x14,0x01,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
83 0x00,0x00,0x00,0x00,0xff,0xc4,0x00,0x14,0x11,0x01,0x00,0x00,0x00,0x00,0x00,0x00,
84 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xda,0x00,0x0c,0x03,0x01,
85 0x00,0x02,0x11,0x03,0x11,0x00,0x3f,0x00,0xb2,0xc0,0x07,0xff,0xd9
86 };
87
88 /* 1x1 pixel png */
89 static const unsigned char pngimage[285] = {
90 0x89,0x50,0x4e,0x47,0x0d,0x0a,0x1a,0x0a,0x00,0x00,0x00,0x0d,0x49,0x48,0x44,0x52,
91 0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x08,0x02,0x00,0x00,0x00,0x90,0x77,0x53,
92 0xde,0x00,0x00,0x00,0x09,0x70,0x48,0x59,0x73,0x00,0x00,0x0b,0x13,0x00,0x00,0x0b,
93 0x13,0x01,0x00,0x9a,0x9c,0x18,0x00,0x00,0x00,0x07,0x74,0x49,0x4d,0x45,0x07,0xd5,
94 0x06,0x03,0x0f,0x07,0x2d,0x12,0x10,0xf0,0xfd,0x00,0x00,0x00,0x0c,0x49,0x44,0x41,
95 0x54,0x08,0xd7,0x63,0xf8,0xff,0xff,0x3f,0x00,0x05,0xfe,0x02,0xfe,0xdc,0xcc,0x59,
96 0xe7,0x00,0x00,0x00,0x00,0x49,0x45,0x4e,0x44,0xae,0x42,0x60,0x82
97 };
98
99 /* 1x1 pixel bmp */
100 static const unsigned char bmpimage[66] = {
101 0x42,0x4d,0x42,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3e,0x00,0x00,0x00,0x28,0x00,
102 0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x01,0x00,0x00,0x00,
103 0x00,0x00,0x04,0x00,0x00,0x00,0x12,0x0b,0x00,0x00,0x12,0x0b,0x00,0x00,0x02,0x00,
104 0x00,0x00,0x02,0x00,0x00,0x00,0xff,0xff,0xff,0x00,0xff,0xff,0xff,0x00,0x00,0x00,
105 0x00,0x00
106 };
107
108 /* 2x2 pixel gif */
109 static const unsigned char gif4pixel[42] = {
110 0x47,0x49,0x46,0x38,0x37,0x61,0x02,0x00,0x02,0x00,0xa1,0x00,0x00,0x00,0x00,0x00,
111 0x39,0x62,0xfc,0xff,0x1a,0xe5,0xff,0xff,0xff,0x2c,0x00,0x00,0x00,0x00,0x02,0x00,
112 0x02,0x00,0x00,0x02,0x03,0x14,0x16,0x05,0x00,0x3b
113 };
114
115 /* APM with an empty metafile with some padding zeros - looks like under Window the
116 * metafile data should be at least 20 bytes */
117 static const unsigned char apmdata[] = {
118 0xd7,0xcd,0xc6,0x9a, 0x00,0x00,0x00,0x00, 0x00,0x00,0xee,0x02, 0xb1,0x03,0xa0,0x05,
119 0x00,0x00,0x00,0x00, 0xee,0x53,0x01,0x00, 0x09,0x00,0x00,0x03, 0x13,0x00,0x00,0x00,
120 0x01,0x00,0x05,0x00, 0x00,0x00,0x00,0x00, 0x03,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,
121 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00
122 };
123
124 /* MF_TEXTOUT_ON_PATH_BITS from gdi32/tests/metafile.c */
125 static const unsigned char metafile[] = {
126 0x01, 0x00, 0x09, 0x00, 0x00, 0x03, 0x19, 0x00,
127 0x00, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x00,
128 0x00, 0x00, 0x0d, 0x00, 0x00, 0x00, 0x32, 0x0a,
129 0x16, 0x00, 0x0b, 0x00, 0x04, 0x00, 0x00, 0x00,
130 0x54, 0x65, 0x73, 0x74, 0x03, 0x00, 0x05, 0x00,
131 0x08, 0x00, 0x0c, 0x00, 0x03, 0x00, 0x00, 0x00,
132 0x00, 0x00
133 };
134
135 /* EMF_TEXTOUT_ON_PATH_BITS from gdi32/tests/metafile.c */
136 static const unsigned char enhmetafile[] = {
137 0x01, 0x00, 0x00, 0x00, 0x6c, 0x00, 0x00, 0x00,
138 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
139 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
140 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
141 0xe7, 0xff, 0xff, 0xff, 0xe9, 0xff, 0xff, 0xff,
142 0x20, 0x45, 0x4d, 0x46, 0x00, 0x00, 0x01, 0x00,
143 0xf4, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00,
144 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
145 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
146 0x00, 0x05, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00,
147 0x40, 0x01, 0x00, 0x00, 0xf0, 0x00, 0x00, 0x00,
148 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
149 0x00, 0x00, 0x00, 0x00, 0x00, 0xe2, 0x04, 0x00,
150 0x80, 0xa9, 0x03, 0x00, 0x3b, 0x00, 0x00, 0x00,
151 0x08, 0x00, 0x00, 0x00, 0x54, 0x00, 0x00, 0x00,
152 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
153 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
154 0xff, 0xff, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00,
155 0x00, 0x00, 0xc8, 0x41, 0x00, 0x80, 0xbb, 0x41,
156 0x0b, 0x00, 0x00, 0x00, 0x16, 0x00, 0x00, 0x00,
157 0x04, 0x00, 0x00, 0x00, 0x4c, 0x00, 0x00, 0x00,
158 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
159 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
160 0xff, 0xff, 0xff, 0xff, 0x54, 0x00, 0x00, 0x00,
161 0x54, 0x00, 0x65, 0x00, 0x73, 0x00, 0x74, 0x00,
162 0x03, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00,
163 0x08, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00,
164 0x3c, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00,
165 0x0e, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00,
166 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00,
167 0x14, 0x00, 0x00, 0x00
168 };
169
170
171 struct NoStatStreamImpl
172 {
173 const IStreamVtbl *lpVtbl;
174 LONG ref;
175
176 HGLOBAL supportHandle;
177 ULARGE_INTEGER streamSize;
178 ULARGE_INTEGER currentPosition;
179 };
180 typedef struct NoStatStreamImpl NoStatStreamImpl;
181 static NoStatStreamImpl* NoStatStreamImpl_Construct(HGLOBAL hGlobal);
182
183 static void
184 test_pic_with_stream(LPSTREAM stream, unsigned int imgsize)
185 {
186 IPicture* pic = NULL;
187 HRESULT hres;
188 LPVOID pvObj = NULL;
189 OLE_HANDLE handle, hPal;
190 OLE_XSIZE_HIMETRIC width;
191 OLE_YSIZE_HIMETRIC height;
192 short type;
193 DWORD attr;
194 ULONG res;
195
196 pvObj = NULL;
197 hres = pOleLoadPicture(stream, imgsize, TRUE, &IID_IPicture, &pvObj);
198 pic = pvObj;
199
200 ok(hres == S_OK,"OLP (NULL,..) does not return 0, but 0x%08x\n",hres);
201 ok(pic != NULL,"OLP (NULL,..) returns NULL, instead of !NULL\n");
202 if (pic == NULL)
203 return;
204
205 pvObj = NULL;
206 hres = IPicture_QueryInterface (pic, &IID_IPicture, &pvObj);
207
208 ok(hres == S_OK,"IPicture_QI does not return S_OK, but 0x%08x\n", hres);
209 ok(pvObj != NULL,"IPicture_QI does return NULL, instead of a ptr\n");
210
211 IPicture_Release ((IPicture*)pvObj);
212
213 handle = 0;
214 hres = IPicture_get_Handle (pic, &handle);
215 ok(hres == S_OK,"IPicture_get_Handle does not return S_OK, but 0x%08x\n", hres);
216 ok(handle != 0, "IPicture_get_Handle returns a NULL handle, but it should be non NULL\n");
217
218 width = 0;
219 hres = IPicture_get_Width (pic, &width);
220 ok(hres == S_OK,"IPicture_get_Width does not return S_OK, but 0x%08x\n", hres);
221 ok(width != 0, "IPicture_get_Width returns 0, but it should not be 0.\n");
222
223 height = 0;
224 hres = IPicture_get_Height (pic, &height);
225 ok(hres == S_OK,"IPicture_get_Height does not return S_OK, but 0x%08x\n", hres);
226 ok(height != 0, "IPicture_get_Height returns 0, but it should not be 0.\n");
227
228 type = 0;
229 hres = IPicture_get_Type (pic, &type);
230 ok(hres == S_OK,"IPicture_get_Type does not return S_OK, but 0x%08x\n", hres);
231 ok(type == PICTYPE_BITMAP, "IPicture_get_Type returns %d, but it should be PICTYPE_BITMAP(%d).\n", type, PICTYPE_BITMAP);
232
233 attr = 0;
234 hres = IPicture_get_Attributes (pic, &attr);
235 ok(hres == S_OK,"IPicture_get_Attributes does not return S_OK, but 0x%08x\n", hres);
236 ok(attr == 0, "IPicture_get_Attributes returns %d, but it should be 0.\n", attr);
237
238 hPal = 0;
239 hres = IPicture_get_hPal (pic, &hPal);
240 ok(hres == S_OK,"IPicture_get_hPal does not return S_OK, but 0x%08x\n", hres);
241 /* a single pixel b/w image has no palette */
242 ok(hPal == 0, "IPicture_get_hPal returns %d, but it should be 0.\n", hPal);
243
244 res = IPicture_Release (pic);
245 ok (res == 0, "refcount after release is %d, but should be 0?\n", res);
246 }
247
248 static void
249 test_pic(const unsigned char *imgdata, unsigned int imgsize)
250 {
251 LPSTREAM stream;
252 HGLOBAL hglob;
253 LPBYTE data;
254 HRESULT hres;
255 LARGE_INTEGER seekto;
256 ULARGE_INTEGER newpos1;
257 DWORD * header;
258 unsigned int i,j;
259
260 /* Let the fun begin */
261 hglob = GlobalAlloc (0, imgsize);
262 data = GlobalLock (hglob);
263 memcpy(data, imgdata, imgsize);
264 GlobalUnlock(hglob); data = NULL;
265
266 hres = CreateStreamOnHGlobal (hglob, FALSE, &stream);
267 ok (hres == S_OK, "createstreamonhglobal failed? doubt it... hres 0x%08x\n", hres);
268
269 memset(&seekto,0,sizeof(seekto));
270 hres = IStream_Seek(stream,seekto,SEEK_CUR,&newpos1);
271 ok (hres == S_OK, "istream seek failed? doubt it... hres 0x%08x\n", hres);
272 test_pic_with_stream(stream, imgsize);
273
274 IStream_Release(stream);
275
276 /* again with Non Statable and Non Seekable stream */
277 stream = (LPSTREAM)NoStatStreamImpl_Construct(hglob);
278 hglob = 0; /* Non-statable impl always deletes on release */
279 test_pic_with_stream(stream, 0);
280
281 IStream_Release(stream);
282 for (i = 1; i <= 8; i++) {
283 /* more fun!!! */
284 hglob = GlobalAlloc (0, imgsize + i * (2 * sizeof(DWORD)));
285 data = GlobalLock (hglob);
286 header = (DWORD *)data;
287
288 /* multiple copies of header */
289 memcpy(data,"lt\0\0",4);
290 header[1] = imgsize;
291 for (j = 2; j <= i; j++) {
292 memcpy(&(header[2 * (j - 1)]), header, 2 * sizeof(DWORD));
293 }
294 memcpy(data + i * (2 * sizeof(DWORD)), imgdata, imgsize);
295 GlobalUnlock(hglob); data = NULL;
296
297 hres = CreateStreamOnHGlobal (hglob, FALSE, &stream);
298 ok (hres == S_OK, "createstreamonhglobal failed? doubt it... hres 0x%08x\n", hres);
299
300 memset(&seekto,0,sizeof(seekto));
301 hres = IStream_Seek(stream,seekto,SEEK_CUR,&newpos1);
302 ok (hres == S_OK, "istream seek failed? doubt it... hres 0x%08x\n", hres);
303 test_pic_with_stream(stream, imgsize);
304
305 IStream_Release(stream);
306
307 /* again with Non Statable and Non Seekable stream */
308 stream = (LPSTREAM)NoStatStreamImpl_Construct(hglob);
309 hglob = 0; /* Non-statable impl always deletes on release */
310 test_pic_with_stream(stream, 0);
311
312 IStream_Release(stream);
313 }
314 }
315
316 static void test_empty_image(void) {
317 LPBYTE data;
318 LPSTREAM stream;
319 IPicture* pic = NULL;
320 HRESULT hres;
321 LPVOID pvObj = NULL;
322 HGLOBAL hglob;
323 OLE_HANDLE handle;
324 ULARGE_INTEGER newpos1;
325 LARGE_INTEGER seekto;
326 short type;
327
328 /* Empty image. Happens occasionally in VB programs. */
329 hglob = GlobalAlloc (0, 8);
330 data = GlobalLock (hglob);
331 memcpy(data,"lt\0\0",4);
332 ((DWORD*)data)[1] = 0;
333 hres = CreateStreamOnHGlobal (hglob, TRUE, &stream);
334 ok (hres == S_OK, "CreatestreamOnHGlobal failed? doubt it... hres 0x%08x\n", hres);
335
336 memset(&seekto,0,sizeof(seekto));
337 hres = IStream_Seek(stream,seekto,SEEK_CUR,&newpos1);
338 ok (hres == S_OK, "istream seek failed? doubt it... hres 0x%08x\n", hres);
339
340 pvObj = NULL;
341 hres = pOleLoadPicture(stream, 8, TRUE, &IID_IPicture, &pvObj);
342 pic = pvObj;
343 ok(hres == S_OK,"empty picture not loaded, hres 0x%08x\n", hres);
344 ok(pic != NULL,"empty picture not loaded, pic is NULL\n");
345
346 hres = IPicture_get_Type (pic, &type);
347 ok (hres == S_OK,"empty picture get type failed with hres 0x%08x\n", hres);
348 ok (type == PICTYPE_NONE,"type is %d, but should be PICTYPE_NONE(0)\n", type);
349
350 hres = IPicture_get_Handle (pic, &handle);
351 ok (hres == S_OK,"empty picture get handle failed with hres 0x%08x\n", hres);
352 ok (handle == 0, "empty picture get handle did not return 0, but 0x%08x\n", handle);
353 IPicture_Release (pic);
354 }
355
356 static void test_empty_image_2(void) {
357 LPBYTE data;
358 LPSTREAM stream;
359 IPicture* pic = NULL;
360 HRESULT hres;
361 LPVOID pvObj = NULL;
362 HGLOBAL hglob;
363 ULARGE_INTEGER newpos1;
364 LARGE_INTEGER seekto;
365 short type;
366
367 /* Empty image at random stream position. */
368 hglob = GlobalAlloc (0, 200);
369 data = GlobalLock (hglob);
370 data += 42;
371 memcpy(data,"lt\0\0",4);
372 ((DWORD*)data)[1] = 0;
373 hres = CreateStreamOnHGlobal (hglob, TRUE, &stream);
374 ok (hres == S_OK, "CreatestreamOnHGlobal failed? doubt it... hres 0x%08x\n", hres);
375
376 memset(&seekto,0,sizeof(seekto));
377 seekto.u.LowPart = 42;
378 hres = IStream_Seek(stream,seekto,SEEK_CUR,&newpos1);
379 ok (hres == S_OK, "istream seek failed? doubt it... hres 0x%08x\n", hres);
380
381 pvObj = NULL;
382 hres = pOleLoadPicture(stream, 8, TRUE, &IID_IPicture, &pvObj);
383 pic = pvObj;
384 ok(hres == S_OK,"empty picture not loaded, hres 0x%08x\n", hres);
385 ok(pic != NULL,"empty picture not loaded, pic is NULL\n");
386
387 hres = IPicture_get_Type (pic, &type);
388 ok (hres == S_OK,"empty picture get type failed with hres 0x%08x\n", hres);
389 ok (type == PICTYPE_NONE,"type is %d, but should be PICTYPE_NONE(0)\n", type);
390
391 IPicture_Release (pic);
392 }
393
394 static void test_Invoke(void)
395 {
396 IPictureDisp *picdisp;
397 HRESULT hr;
398 VARIANTARG vararg;
399 DISPPARAMS dispparams;
400 VARIANT varresult;
401 IStream *stream;
402 HGLOBAL hglob;
403 void *data;
404
405 hglob = GlobalAlloc (0, sizeof(gifimage));
406 data = GlobalLock(hglob);
407 memcpy(data, gifimage, sizeof(gifimage));
408 GlobalUnlock(hglob);
409
410 hr = CreateStreamOnHGlobal (hglob, FALSE, &stream);
411 ok_ole_success(hr, "CreateStreamOnHGlobal");
412
413 hr = pOleLoadPicture(stream, sizeof(gifimage), TRUE, &IID_IPictureDisp, (void **)&picdisp);
414 IStream_Release(stream);
415 ok_ole_success(hr, "OleLoadPicture");
416
417 V_VT(&vararg) = VT_BOOL;
418 V_BOOL(&vararg) = VARIANT_FALSE;
419 dispparams.cNamedArgs = 0;
420 dispparams.rgdispidNamedArgs = NULL;
421 dispparams.cArgs = 1;
422 dispparams.rgvarg = &vararg;
423 hr = IPictureDisp_Invoke(picdisp, DISPID_PICT_HPAL, &IID_IPictureDisp, 0, DISPATCH_PROPERTYPUT, &dispparams, NULL, NULL, NULL);
424 ok(hr == DISP_E_UNKNOWNNAME, "IPictureDisp_Invoke should have returned DISP_E_UNKNOWNNAME instead of 0x%08x\n", hr);
425 hr = IPictureDisp_Invoke(picdisp, DISPID_PICT_HPAL, &IID_IUnknown, 0, DISPATCH_PROPERTYPUT, &dispparams, NULL, NULL, NULL);
426 ok(hr == DISP_E_UNKNOWNNAME, "IPictureDisp_Invoke should have returned DISP_E_UNKNOWNNAME instead of 0x%08x\n", hr);
427
428 dispparams.cArgs = 0;
429 dispparams.rgvarg = NULL;
430 hr = IPictureDisp_Invoke(picdisp, DISPID_PICT_HPAL, &IID_NULL, 0, DISPATCH_PROPERTYPUT, &dispparams, NULL, NULL, NULL);
431 ok(hr == DISP_E_BADPARAMCOUNT, "IPictureDisp_Invoke should have returned DISP_E_BADPARAMCOUNT instead of 0x%08x\n", hr);
432
433 hr = IPictureDisp_Invoke(picdisp, DISPID_PICT_HPAL, &IID_NULL, 0, DISPATCH_PROPERTYPUT, NULL, NULL, NULL, NULL);
434 ok(hr == DISP_E_PARAMNOTOPTIONAL, "IPictureDisp_Invoke should have returned DISP_E_PARAMNOTOPTIONAL instead of 0x%08x\n", hr);
435
436 hr = IPictureDisp_Invoke(picdisp, DISPID_PICT_HPAL, &IID_NULL, 0, DISPATCH_PROPERTYGET, NULL, NULL, NULL, NULL);
437 ok(hr == DISP_E_PARAMNOTOPTIONAL, "IPictureDisp_Invoke should have returned DISP_E_PARAMNOTOPTIONAL instead of 0x%08x\n", hr);
438
439 hr = IPictureDisp_Invoke(picdisp, DISPID_PICT_HPAL, &IID_NULL, 0, DISPATCH_PROPERTYGET, NULL, &varresult, NULL, NULL);
440 ok(hr == DISP_E_PARAMNOTOPTIONAL, "IPictureDisp_Invoke should have returned DISP_E_PARAMNOTOPTIONAL instead of 0x%08x\n", hr);
441
442 hr = IPictureDisp_Invoke(picdisp, DISPID_PICT_HPAL, &IID_NULL, 0, DISPATCH_PROPERTYGET, &dispparams, &varresult, NULL, NULL);
443 ok_ole_success(hr, "IPictureDisp_Invoke");
444 ok(V_VT(&varresult) == VT_I4, "V_VT(&varresult) should have been VT_UINT instead of %d\n", V_VT(&varresult));
445
446 hr = IPictureDisp_Invoke(picdisp, DISPID_PICT_HPAL, &IID_NULL, 0, DISPATCH_METHOD, &dispparams, &varresult, NULL, NULL);
447 ok(hr == DISP_E_MEMBERNOTFOUND, "IPictureDisp_Invoke should have returned DISP_E_MEMBERNOTFOUND instead of 0x%08x\n", hr);
448
449 hr = IPictureDisp_Invoke(picdisp, 0xdeadbeef, &IID_NULL, 0, DISPATCH_PROPERTYGET, &dispparams, &varresult, NULL, NULL);
450 ok(hr == DISP_E_MEMBERNOTFOUND, "IPictureDisp_Invoke should have returned DISP_E_MEMBERNOTFOUND instead of 0x%08x\n", hr);
451
452 dispparams.cArgs = 1;
453 dispparams.rgvarg = &vararg;
454 hr = IPictureDisp_Invoke(picdisp, DISPID_PICT_HPAL, &IID_NULL, 0, DISPATCH_PROPERTYGET, &dispparams, &varresult, NULL, NULL);
455 ok(hr == DISP_E_BADPARAMCOUNT, "IPictureDisp_Invoke should have returned DISP_E_BADPARAMCOUNT instead of 0x%08x\n", hr);
456
457 dispparams.cArgs = 1;
458 dispparams.rgvarg = &vararg;
459 hr = IPictureDisp_Invoke(picdisp, DISPID_PICT_HPAL, &IID_NULL, 0, DISPATCH_PROPERTYGET, &dispparams, &varresult, NULL, NULL);
460 ok(hr == DISP_E_BADPARAMCOUNT, "IPictureDisp_Invoke should have returned DISP_E_BADPARAMCOUNT instead of 0x%08x\n", hr);
461
462 IPictureDisp_Release(picdisp);
463 }
464
465 static void test_OleCreatePictureIndirect(void)
466 {
467 IPicture *pict;
468 HRESULT hr;
469 short type;
470 OLE_HANDLE handle;
471
472 if(!pOleCreatePictureIndirect)
473 {
474 skip("Skipping OleCreatePictureIndirect tests\n");
475 return;
476 }
477
478 hr = pOleCreatePictureIndirect(NULL, &IID_IPicture, TRUE, (void**)&pict);
479 ok(hr == S_OK, "hr %08x\n", hr);
480
481 hr = IPicture_get_Type(pict, &type);
482 ok(hr == S_OK, "hr %08x\n", hr);
483 ok(type == PICTYPE_UNINITIALIZED, "type %d\n", type);
484
485 hr = IPicture_get_Handle(pict, &handle);
486 ok(hr == S_OK, "hr %08x\n", hr);
487 ok(handle == 0, "handle %08x\n", handle);
488
489 IPicture_Release(pict);
490 }
491
492 static void test_apm()
493 {
494 OLE_HANDLE handle;
495 LPSTREAM stream;
496 IPicture *pict;
497 HGLOBAL hglob;
498 LPBYTE *data;
499 LONG cxy;
500 BOOL keep;
501 short type;
502
503 hglob = GlobalAlloc (0, sizeof(apmdata));
504 data = GlobalLock(hglob);
505 memcpy(data, apmdata, sizeof(apmdata));
506
507 ole_check(CreateStreamOnHGlobal(hglob, TRUE, &stream));
508 ole_check(OleLoadPictureEx(stream, sizeof(apmdata), TRUE, &IID_IPicture, 100, 100, 0, (LPVOID *)&pict));
509
510 ole_check(IPicture_get_Handle(pict, &handle));
511 ok(handle != 0, "handle is null\n");
512
513 ole_check(IPicture_get_Type(pict, &type));
514 expect_eq(type, PICTYPE_METAFILE, short, "%d");
515
516 ole_check(IPicture_get_Height(pict, &cxy));
517 expect_eq(cxy, 1667, LONG, "%d");
518
519 ole_check(IPicture_get_Width(pict, &cxy));
520 expect_eq(cxy, 1323, LONG, "%d");
521
522 ole_check(IPicture_get_KeepOriginalFormat(pict, &keep));
523 todo_wine expect_eq(keep, FALSE, LONG, "%d");
524
525 ole_expect(IPicture_get_hPal(pict, &handle), E_FAIL);
526 IPicture_Release(pict);
527 IStream_Release(stream);
528 GlobalUnlock(hglob);
529 GlobalFree(hglob);
530 }
531
532 static void test_metafile(void)
533 {
534 LPSTREAM stream;
535 IPicture *pict;
536 HGLOBAL hglob;
537 LPBYTE *data;
538
539 hglob = GlobalAlloc (0, sizeof(metafile));
540 data = GlobalLock(hglob);
541 memcpy(data, metafile, sizeof(metafile));
542
543 ole_check(CreateStreamOnHGlobal(hglob, TRUE, &stream));
544 /* Windows does not load simple metafiles */
545 ole_expect(OleLoadPictureEx(stream, sizeof(metafile), TRUE, &IID_IPicture, 100, 100, 0, (LPVOID *)&pict), E_FAIL);
546
547 IStream_Release(stream);
548 GlobalUnlock(hglob);
549 GlobalFree(hglob);
550 }
551
552 static void test_enhmetafile(void)
553 {
554 OLE_HANDLE handle;
555 LPSTREAM stream;
556 IPicture *pict;
557 HGLOBAL hglob;
558 LPBYTE *data;
559 LONG cxy;
560 BOOL keep;
561 short type;
562
563 hglob = GlobalAlloc (0, sizeof(enhmetafile));
564 data = GlobalLock(hglob);
565 memcpy(data, enhmetafile, sizeof(enhmetafile));
566
567 ole_check(CreateStreamOnHGlobal(hglob, TRUE, &stream));
568 ole_check(OleLoadPictureEx(stream, sizeof(enhmetafile), TRUE, &IID_IPicture, 10, 10, 0, (LPVOID *)&pict));
569
570 ole_check(IPicture_get_Handle(pict, &handle));
571 ok(handle != 0, "handle is null\n");
572
573 ole_check(IPicture_get_Type(pict, &type));
574 expect_eq(type, PICTYPE_ENHMETAFILE, short, "%d");
575
576 ole_check(IPicture_get_Height(pict, &cxy));
577 expect_eq(cxy, -23, LONG, "%d");
578
579 ole_check(IPicture_get_Width(pict, &cxy));
580 expect_eq(cxy, -25, LONG, "%d");
581
582 ole_check(IPicture_get_KeepOriginalFormat(pict, &keep));
583 todo_wine expect_eq(keep, FALSE, LONG, "%d");
584
585 IPicture_Release(pict);
586 IStream_Release(stream);
587 GlobalUnlock(hglob);
588 GlobalFree(hglob);
589 }
590
591 static void test_Render(void)
592 {
593 IPicture *pic;
594 HRESULT hres;
595 short type;
596 PICTDESC desc;
597 HDC hdc = GetDC(0);
598
599 /* test IPicture::Render return code on uninitialized picture */
600 OleCreatePictureIndirect(NULL, &IID_IPicture, TRUE, (VOID**)&pic);
601 hres = IPicture_get_Type(pic, &type);
602 ok(hres == S_OK, "IPicture_get_Type does not return S_OK, but 0x%08x\n", hres);
603 ok(type == PICTYPE_UNINITIALIZED, "Expected type = PICTYPE_UNINITIALIZED, got = %d\n", type);
604 /* zero dimensions */
605 hres = IPicture_Render(pic, hdc, 0, 0, 0, 0, 0, 0, 0, 0, NULL);
606 ole_expect(hres, CTL_E_INVALIDPROPERTYVALUE);
607 hres = IPicture_Render(pic, hdc, 0, 0, 10, 10, 0, 0, 10, 0, NULL);
608 ole_expect(hres, CTL_E_INVALIDPROPERTYVALUE);
609 hres = IPicture_Render(pic, hdc, 0, 0, 10, 10, 0, 0, 0, 10, NULL);
610 ole_expect(hres, CTL_E_INVALIDPROPERTYVALUE);
611 hres = IPicture_Render(pic, hdc, 0, 0, 10, 10, 0, 0, 0, 0, NULL);
612 ole_expect(hres, CTL_E_INVALIDPROPERTYVALUE);
613 hres = IPicture_Render(pic, hdc, 0, 0, 0, 10, 0, 0, 10, 10, NULL);
614 ole_expect(hres, CTL_E_INVALIDPROPERTYVALUE);
615 hres = IPicture_Render(pic, hdc, 0, 0, 10, 0, 0, 0, 10, 10, NULL);
616 ole_expect(hres, CTL_E_INVALIDPROPERTYVALUE);
617 hres = IPicture_Render(pic, hdc, 0, 0, 0, 0, 0, 0, 10, 10, NULL);
618 ole_expect(hres, CTL_E_INVALIDPROPERTYVALUE);
619 /* nonzero dimensions, PICTYPE_UNINITIALIZED */
620 hres = IPicture_Render(pic, hdc, 0, 0, 10, 10, 0, 0, 10, 10, NULL);
621 ole_expect(hres, S_OK);
622 IPicture_Release(pic);
623
624 desc.cbSizeofstruct = sizeof(PICTDESC);
625 desc.picType = PICTYPE_ICON;
626 desc.u.icon.hicon = LoadIcon(NULL, IDI_APPLICATION);
627 if(!desc.u.icon.hicon){
628 win_skip("LoadIcon failed. Skipping...\n");
629 ReleaseDC(NULL, hdc);
630 return;
631 }
632
633 OleCreatePictureIndirect(&desc, &IID_IPicture, TRUE, (VOID**)&pic);
634 /* zero dimensions, PICTYPE_ICON */
635 hres = IPicture_Render(pic, hdc, 0, 0, 0, 0, 0, 0, 0, 0, NULL);
636 ole_expect(hres, CTL_E_INVALIDPROPERTYVALUE);
637 hres = IPicture_Render(pic, hdc, 0, 0, 10, 10, 0, 0, 10, 0, NULL);
638 ole_expect(hres, CTL_E_INVALIDPROPERTYVALUE);
639 hres = IPicture_Render(pic, hdc, 0, 0, 10, 10, 0, 0, 0, 10, NULL);
640 ole_expect(hres, CTL_E_INVALIDPROPERTYVALUE);
641 hres = IPicture_Render(pic, hdc, 0, 0, 10, 10, 0, 0, 0, 0, NULL);
642 ole_expect(hres, CTL_E_INVALIDPROPERTYVALUE);
643 hres = IPicture_Render(pic, hdc, 0, 0, 0, 10, 0, 0, 10, 10, NULL);
644 ole_expect(hres, CTL_E_INVALIDPROPERTYVALUE);
645 hres = IPicture_Render(pic, hdc, 0, 0, 10, 0, 0, 0, 10, 10, NULL);
646 ole_expect(hres, CTL_E_INVALIDPROPERTYVALUE);
647 hres = IPicture_Render(pic, hdc, 0, 0, 0, 0, 0, 0, 10, 10, NULL);
648 ole_expect(hres, CTL_E_INVALIDPROPERTYVALUE);
649 IPicture_Release(pic);
650
651 ReleaseDC(NULL, hdc);
652 }
653
654 START_TEST(olepicture)
655 {
656 hOleaut32 = GetModuleHandleA("oleaut32.dll");
657 pOleLoadPicture = (void*)GetProcAddress(hOleaut32, "OleLoadPicture");
658 pOleCreatePictureIndirect = (void*)GetProcAddress(hOleaut32, "OleCreatePictureIndirect");
659 if (!pOleLoadPicture)
660 {
661 skip("OleLoadPicture is not available\n");
662 return;
663 }
664
665 /* Test regular 1x1 pixel images of gif, jpg, bmp type */
666 test_pic(gifimage, sizeof(gifimage));
667 test_pic(jpgimage, sizeof(jpgimage));
668 test_pic(bmpimage, sizeof(bmpimage));
669 test_pic(gif4pixel, sizeof(gif4pixel));
670 /* FIXME: No PNG support yet in Wine or in older Windows... */
671 if (0) test_pic(pngimage, sizeof(pngimage));
672 test_empty_image();
673 test_empty_image_2();
674 test_apm();
675 test_metafile();
676 test_enhmetafile();
677
678 test_Invoke();
679 test_OleCreatePictureIndirect();
680 test_Render();
681 }
682
683
684 /* Helper functions only ... */
685
686
687 static void NoStatStreamImpl_Destroy(NoStatStreamImpl* This)
688 {
689 GlobalFree(This->supportHandle);
690 This->supportHandle=0;
691 HeapFree(GetProcessHeap(), 0, This);
692 }
693
694 static ULONG WINAPI NoStatStreamImpl_AddRef(
695 IStream* iface)
696 {
697 NoStatStreamImpl* const This=(NoStatStreamImpl*)iface;
698 return InterlockedIncrement(&This->ref);
699 }
700
701 static HRESULT WINAPI NoStatStreamImpl_QueryInterface(
702 IStream* iface,
703 REFIID riid, /* [in] */
704 void** ppvObject) /* [iid_is][out] */
705 {
706 NoStatStreamImpl* const This=(NoStatStreamImpl*)iface;
707 if (ppvObject==0) return E_INVALIDARG;
708 *ppvObject = 0;
709 if (memcmp(&IID_IUnknown, riid, sizeof(IID_IUnknown)) == 0)
710 {
711 *ppvObject = (IStream*)This;
712 }
713 else if (memcmp(&IID_IStream, riid, sizeof(IID_IStream)) == 0)
714 {
715 *ppvObject = (IStream*)This;
716 }
717
718 if ((*ppvObject)==0)
719 return E_NOINTERFACE;
720 NoStatStreamImpl_AddRef(iface);
721 return S_OK;
722 }
723
724 static ULONG WINAPI NoStatStreamImpl_Release(
725 IStream* iface)
726 {
727 NoStatStreamImpl* const This=(NoStatStreamImpl*)iface;
728 ULONG newRef = InterlockedDecrement(&This->ref);
729 if (newRef==0)
730 NoStatStreamImpl_Destroy(This);
731 return newRef;
732 }
733
734 static HRESULT WINAPI NoStatStreamImpl_Read(
735 IStream* iface,
736 void* pv, /* [length_is][size_is][out] */
737 ULONG cb, /* [in] */
738 ULONG* pcbRead) /* [out] */
739 {
740 NoStatStreamImpl* const This=(NoStatStreamImpl*)iface;
741 void* supportBuffer;
742 ULONG bytesReadBuffer;
743 ULONG bytesToReadFromBuffer;
744
745 if (pcbRead==0)
746 pcbRead = &bytesReadBuffer;
747 bytesToReadFromBuffer = min( This->streamSize.u.LowPart - This->currentPosition.u.LowPart, cb);
748 supportBuffer = GlobalLock(This->supportHandle);
749 memcpy(pv, (char *) supportBuffer+This->currentPosition.u.LowPart, bytesToReadFromBuffer);
750 This->currentPosition.u.LowPart+=bytesToReadFromBuffer;
751 *pcbRead = bytesToReadFromBuffer;
752 GlobalUnlock(This->supportHandle);
753 if(*pcbRead == cb)
754 return S_OK;
755 return S_FALSE;
756 }
757
758 static HRESULT WINAPI NoStatStreamImpl_Write(
759 IStream* iface,
760 const void* pv, /* [size_is][in] */
761 ULONG cb, /* [in] */
762 ULONG* pcbWritten) /* [out] */
763 {
764 NoStatStreamImpl* const This=(NoStatStreamImpl*)iface;
765 void* supportBuffer;
766 ULARGE_INTEGER newSize;
767 ULONG bytesWritten = 0;
768
769 if (pcbWritten == 0)
770 pcbWritten = &bytesWritten;
771 if (cb == 0)
772 return S_OK;
773 newSize.u.HighPart = 0;
774 newSize.u.LowPart = This->currentPosition.u.LowPart + cb;
775 if (newSize.u.LowPart > This->streamSize.u.LowPart)
776 IStream_SetSize(iface, newSize);
777
778 supportBuffer = GlobalLock(This->supportHandle);
779 memcpy((char *) supportBuffer+This->currentPosition.u.LowPart, pv, cb);
780 This->currentPosition.u.LowPart+=cb;
781 *pcbWritten = cb;
782 GlobalUnlock(This->supportHandle);
783 return S_OK;
784 }
785
786 static HRESULT WINAPI NoStatStreamImpl_Seek(
787 IStream* iface,
788 LARGE_INTEGER dlibMove, /* [in] */
789 DWORD dwOrigin, /* [in] */
790 ULARGE_INTEGER* plibNewPosition) /* [out] */
791 {
792 NoStatStreamImpl* const This=(NoStatStreamImpl*)iface;
793 ULARGE_INTEGER newPosition;
794 switch (dwOrigin)
795 {
796 case STREAM_SEEK_SET:
797 newPosition.u.HighPart = 0;
798 newPosition.u.LowPart = 0;
799 break;
800 case STREAM_SEEK_CUR:
801 newPosition = This->currentPosition;
802 break;
803 case STREAM_SEEK_END:
804 newPosition = This->streamSize;
805 break;
806 default:
807 return STG_E_INVALIDFUNCTION;
808 }
809 if (dlibMove.QuadPart < 0 && newPosition.QuadPart < -dlibMove.QuadPart)
810 return STG_E_INVALIDFUNCTION;
811 newPosition.QuadPart += dlibMove.QuadPart;
812 if (plibNewPosition) *plibNewPosition = newPosition;
813 This->currentPosition = newPosition;
814 return S_OK;
815 }
816
817 static HRESULT WINAPI NoStatStreamImpl_SetSize(
818 IStream* iface,
819 ULARGE_INTEGER libNewSize) /* [in] */
820 {
821 NoStatStreamImpl* const This=(NoStatStreamImpl*)iface;
822 HGLOBAL supportHandle;
823 if (libNewSize.u.HighPart != 0)
824 return STG_E_INVALIDFUNCTION;
825 if (This->streamSize.u.LowPart == libNewSize.u.LowPart)
826 return S_OK;
827 supportHandle = GlobalReAlloc(This->supportHandle, libNewSize.u.LowPart, 0);
828 if (supportHandle == 0)
829 return STG_E_MEDIUMFULL;
830 This->supportHandle = supportHandle;
831 This->streamSize.u.LowPart = libNewSize.u.LowPart;
832 return S_OK;
833 }
834
835 static HRESULT WINAPI NoStatStreamImpl_CopyTo(
836 IStream* iface,
837 IStream* pstm, /* [unique][in] */
838 ULARGE_INTEGER cb, /* [in] */
839 ULARGE_INTEGER* pcbRead, /* [out] */
840 ULARGE_INTEGER* pcbWritten) /* [out] */
841 {
842 HRESULT hr = S_OK;
843 BYTE tmpBuffer[128];
844 ULONG bytesRead, bytesWritten, copySize;
845 ULARGE_INTEGER totalBytesRead;
846 ULARGE_INTEGER totalBytesWritten;
847
848 if ( pstm == 0 )
849 return STG_E_INVALIDPOINTER;
850 totalBytesRead.u.LowPart = totalBytesRead.u.HighPart = 0;
851 totalBytesWritten.u.LowPart = totalBytesWritten.u.HighPart = 0;
852
853 while ( cb.u.LowPart > 0 )
854 {
855 if ( cb.u.LowPart >= 128 )
856 copySize = 128;
857 else
858 copySize = cb.u.LowPart;
859 IStream_Read(iface, tmpBuffer, copySize, &bytesRead);
860 totalBytesRead.u.LowPart += bytesRead;
861 IStream_Write(pstm, tmpBuffer, bytesRead, &bytesWritten);
862 totalBytesWritten.u.LowPart += bytesWritten;
863 if (bytesRead != bytesWritten)
864 {
865 hr = STG_E_MEDIUMFULL;
866 break;
867 }
868 if (bytesRead!=copySize)
869 cb.u.LowPart = 0;
870 else
871 cb.u.LowPart -= bytesRead;
872 }
873 if (pcbRead)
874 {
875 pcbRead->u.LowPart = totalBytesRead.u.LowPart;
876 pcbRead->u.HighPart = totalBytesRead.u.HighPart;
877 }
878
879 if (pcbWritten)
880 {
881 pcbWritten->u.LowPart = totalBytesWritten.u.LowPart;
882 pcbWritten->u.HighPart = totalBytesWritten.u.HighPart;
883 }
884 return hr;
885 }
886
887 static HRESULT WINAPI NoStatStreamImpl_Commit(IStream* iface,DWORD grfCommitFlags)
888 {
889 return S_OK;
890 }
891 static HRESULT WINAPI NoStatStreamImpl_Revert(IStream* iface) { return S_OK; }
892
893 static HRESULT WINAPI NoStatStreamImpl_LockRegion(
894 IStream* iface,
895 ULARGE_INTEGER libOffset, /* [in] */
896 ULARGE_INTEGER cb, /* [in] */
897 DWORD dwLockType) /* [in] */
898 {
899 return S_OK;
900 }
901
902 static HRESULT WINAPI NoStatStreamImpl_UnlockRegion(
903 IStream* iface,
904 ULARGE_INTEGER libOffset, /* [in] */
905 ULARGE_INTEGER cb, /* [in] */
906 DWORD dwLockType) /* [in] */
907 {
908 return S_OK;
909 }
910
911 static HRESULT WINAPI NoStatStreamImpl_Stat(
912 IStream* iface,
913 STATSTG* pstatstg, /* [out] */
914 DWORD grfStatFlag) /* [in] */
915 {
916 return E_NOTIMPL;
917 }
918
919 static HRESULT WINAPI NoStatStreamImpl_Clone(
920 IStream* iface,
921 IStream** ppstm) /* [out] */
922 {
923 return E_NOTIMPL;
924 }
925 static const IStreamVtbl NoStatStreamImpl_Vtbl;
926
927 /*
928 Build an object that implements IStream, without IStream_Stat capabilities.
929 Receives a memory handle with data buffer. If memory handle is non-null,
930 it is assumed to be unlocked, otherwise an internal memory handle is allocated.
931 In any case the object takes ownership of memory handle and will free it on
932 object release.
933 */
934 static NoStatStreamImpl* NoStatStreamImpl_Construct(HGLOBAL hGlobal)
935 {
936 NoStatStreamImpl* newStream;
937
938 newStream = HeapAlloc(GetProcessHeap(), 0, sizeof(NoStatStreamImpl));
939 if (newStream!=0)
940 {
941 newStream->lpVtbl = &NoStatStreamImpl_Vtbl;
942 newStream->ref = 1;
943 newStream->supportHandle = hGlobal;
944
945 if (!newStream->supportHandle)
946 newStream->supportHandle = GlobalAlloc(GMEM_MOVEABLE | GMEM_NODISCARD |
947 GMEM_SHARE, 0);
948 newStream->currentPosition.u.HighPart = 0;
949 newStream->currentPosition.u.LowPart = 0;
950 newStream->streamSize.u.HighPart = 0;
951 newStream->streamSize.u.LowPart = GlobalSize(newStream->supportHandle);
952 }
953 return newStream;
954 }
955
956
957 static const IStreamVtbl NoStatStreamImpl_Vtbl =
958 {
959 NoStatStreamImpl_QueryInterface,
960 NoStatStreamImpl_AddRef,
961 NoStatStreamImpl_Release,
962 NoStatStreamImpl_Read,
963 NoStatStreamImpl_Write,
964 NoStatStreamImpl_Seek,
965 NoStatStreamImpl_SetSize,
966 NoStatStreamImpl_CopyTo,
967 NoStatStreamImpl_Commit,
968 NoStatStreamImpl_Revert,
969 NoStatStreamImpl_LockRegion,
970 NoStatStreamImpl_UnlockRegion,
971 NoStatStreamImpl_Stat,
972 NoStatStreamImpl_Clone
973 };
useful hacks and other patches not (yet) suitable for mainline