591 lines
18 KiB
C
591 lines
18 KiB
C
/*
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* OLEPICTURE test program
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*
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* Copyright 2005 Marcus Meissner
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*
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include <math.h>
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#include <float.h>
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#include <time.h>
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#define COBJMACROS
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#include <wine/test.h>
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#include <windef.h>
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#include <winbase.h>
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#include <winuser.h>
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#include <wingdi.h>
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#include <winnls.h>
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#include <winerror.h>
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#include <winnt.h>
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#include <wtypes.h>
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#include <olectl.h>
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#include <objidl.h>
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static HMODULE hOleaut32;
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static HRESULT (WINAPI *pOleLoadPicture)(LPSTREAM,LONG,BOOL,REFIID,LPVOID*);
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/* 1x1 pixel gif */
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static const unsigned char gifimage[35] = {
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0x47,0x49,0x46,0x38,0x37,0x61,0x01,0x00,0x01,0x00,0x80,0x00,0x00,0xff,0xff,0xff,
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0xff,0xff,0xff,0x2c,0x00,0x00,0x00,0x00,0x01,0x00,0x01,0x00,0x00,0x02,0x02,0x44,
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0x01,0x00,0x3b
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};
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/* 1x1 pixel jpg */
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static const unsigned char jpgimage[285] = {
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0xff,0xd8,0xff,0xe0,0x00,0x10,0x4a,0x46,0x49,0x46,0x00,0x01,0x01,0x01,0x01,0x2c,
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0x01,0x2c,0x00,0x00,0xff,0xdb,0x00,0x43,0x00,0x05,0x03,0x04,0x04,0x04,0x03,0x05,
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0x04,0x04,0x04,0x05,0x05,0x05,0x06,0x07,0x0c,0x08,0x07,0x07,0x07,0x07,0x0f,0x0b,
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0x0b,0x09,0x0c,0x11,0x0f,0x12,0x12,0x11,0x0f,0x11,0x11,0x13,0x16,0x1c,0x17,0x13,
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0x14,0x1a,0x15,0x11,0x11,0x18,0x21,0x18,0x1a,0x1d,0x1d,0x1f,0x1f,0x1f,0x13,0x17,
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0x22,0x24,0x22,0x1e,0x24,0x1c,0x1e,0x1f,0x1e,0xff,0xdb,0x00,0x43,0x01,0x05,0x05,
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0x05,0x07,0x06,0x07,0x0e,0x08,0x08,0x0e,0x1e,0x14,0x11,0x14,0x1e,0x1e,0x1e,0x1e,
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0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,
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0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,
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0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0x1e,0xff,0xc0,
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0x00,0x11,0x08,0x00,0x01,0x00,0x01,0x03,0x01,0x22,0x00,0x02,0x11,0x01,0x03,0x11,
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0x01,0xff,0xc4,0x00,0x15,0x00,0x01,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0xff,0xc4,0x00,0x14,0x10,0x01,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xc4,
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0x00,0x14,0x01,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0xff,0xc4,0x00,0x14,0x11,0x01,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xda,0x00,0x0c,0x03,0x01,
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0x00,0x02,0x11,0x03,0x11,0x00,0x3f,0x00,0xb2,0xc0,0x07,0xff,0xd9
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};
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#if 0 /* no png support yet */
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/* 1x1 pixel png */
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static const unsigned char pngimage[285] = {
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0x89,0x50,0x4e,0x47,0x0d,0x0a,0x1a,0x0a,0x00,0x00,0x00,0x0d,0x49,0x48,0x44,0x52,
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0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x08,0x02,0x00,0x00,0x00,0x90,0x77,0x53,
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0xde,0x00,0x00,0x00,0x09,0x70,0x48,0x59,0x73,0x00,0x00,0x0b,0x13,0x00,0x00,0x0b,
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0x13,0x01,0x00,0x9a,0x9c,0x18,0x00,0x00,0x00,0x07,0x74,0x49,0x4d,0x45,0x07,0xd5,
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0x06,0x03,0x0f,0x07,0x2d,0x12,0x10,0xf0,0xfd,0x00,0x00,0x00,0x0c,0x49,0x44,0x41,
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0x54,0x08,0xd7,0x63,0xf8,0xff,0xff,0x3f,0x00,0x05,0xfe,0x02,0xfe,0xdc,0xcc,0x59,
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0xe7,0x00,0x00,0x00,0x00,0x49,0x45,0x4e,0x44,0xae,0x42,0x60,0x82
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};
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#endif
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/* 1x1 pixel bmp */
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static const unsigned char bmpimage[66] = {
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0x42,0x4d,0x42,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3e,0x00,0x00,0x00,0x28,0x00,
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0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x01,0x00,0x00,0x00,
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0x00,0x00,0x04,0x00,0x00,0x00,0x12,0x0b,0x00,0x00,0x12,0x0b,0x00,0x00,0x02,0x00,
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0x00,0x00,0x02,0x00,0x00,0x00,0xff,0xff,0xff,0x00,0xff,0xff,0xff,0x00,0x00,0x00,
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0x00,0x00
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};
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/* 2x2 pixel gif */
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static const unsigned char gif4pixel[42] = {
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0x47,0x49,0x46,0x38,0x37,0x61,0x02,0x00,0x02,0x00,0xa1,0x00,0x00,0x00,0x00,0x00,
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0x39,0x62,0xfc,0xff,0x1a,0xe5,0xff,0xff,0xff,0x2c,0x00,0x00,0x00,0x00,0x02,0x00,
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0x02,0x00,0x00,0x02,0x03,0x14,0x16,0x05,0x00,0x3b
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};
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struct NoStatStreamImpl
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{
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const IStreamVtbl *lpVtbl;
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LONG ref;
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HGLOBAL supportHandle;
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ULARGE_INTEGER streamSize;
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ULARGE_INTEGER currentPosition;
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};
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typedef struct NoStatStreamImpl NoStatStreamImpl;
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static NoStatStreamImpl* NoStatStreamImpl_Construct(HGLOBAL hGlobal);
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static void
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test_pic_with_stream(LPSTREAM stream, unsigned int imgsize)
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{
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IPicture* pic = NULL;
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HRESULT hres;
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LPVOID pvObj = NULL;
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OLE_HANDLE handle, hPal;
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OLE_XSIZE_HIMETRIC width;
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OLE_YSIZE_HIMETRIC height;
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short type;
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DWORD attr;
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ULONG res;
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pvObj = NULL;
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hres = pOleLoadPicture(stream, imgsize, TRUE, &IID_IPicture, &pvObj);
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pic = pvObj;
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ok(hres == S_OK,"OLP (NULL,..) does not return 0, but 0x%08lx\n",hres);
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ok(pic != NULL,"OLP (NULL,..) returns NULL, instead of !NULL\n");
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if (pic == NULL)
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return;
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pvObj = NULL;
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hres = IPicture_QueryInterface (pic, &IID_IPicture, &pvObj);
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ok(hres == S_OK,"IPicture_QI does not return S_OK, but 0x%08lx\n", hres);
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ok(pvObj != NULL,"IPicture_QI does return NULL, instead of a ptr\n");
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IPicture_Release ((IPicture*)pvObj);
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handle = 0;
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hres = IPicture_get_Handle (pic, &handle);
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ok(hres == S_OK,"IPicture_get_Handle does not return S_OK, but 0x%08lx\n", hres);
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ok(handle != 0, "IPicture_get_Handle returns a NULL handle, but it should be non NULL\n");
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width = 0;
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hres = IPicture_get_Width (pic, &width);
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ok(hres == S_OK,"IPicture_get_Width does not return S_OK, but 0x%08lx\n", hres);
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ok(width != 0, "IPicture_get_Width returns 0, but it should not be 0.\n");
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height = 0;
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hres = IPicture_get_Height (pic, &height);
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ok(hres == S_OK,"IPicture_get_Height does not return S_OK, but 0x%08lx\n", hres);
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ok(height != 0, "IPicture_get_Height returns 0, but it should not be 0.\n");
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type = 0;
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hres = IPicture_get_Type (pic, &type);
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ok(hres == S_OK,"IPicture_get_Type does not return S_OK, but 0x%08lx\n", hres);
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ok(type == PICTYPE_BITMAP, "IPicture_get_Type returns %d, but it should be PICTYPE_BITMAP(%d).\n", type, PICTYPE_BITMAP);
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attr = 0;
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hres = IPicture_get_Attributes (pic, &attr);
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ok(hres == S_OK,"IPicture_get_Attributes does not return S_OK, but 0x%08lx\n", hres);
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ok(attr == 0, "IPicture_get_Attributes returns %ld, but it should be 0.\n", attr);
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hPal = 0;
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hres = IPicture_get_hPal (pic, &hPal);
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ok(hres == S_OK,"IPicture_get_hPal does not return S_OK, but 0x%08lx\n", hres);
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/* a single pixel b/w image has no palette */
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ok(hPal == 0, "IPicture_get_hPal returns %ld, but it should be 0.\n", (long)hPal);
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res = IPicture_Release (pic);
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ok (res == 0, "refcount after release is %ld, but should be 0?\n", res);
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}
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static void
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test_pic(const unsigned char *imgdata, unsigned int imgsize)
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{
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LPSTREAM stream;
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HGLOBAL hglob;
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LPBYTE data;
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HRESULT hres;
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LARGE_INTEGER seekto;
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ULARGE_INTEGER newpos1;
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/* Let the fun begin */
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hglob = GlobalAlloc (0, imgsize);
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data = GlobalLock (hglob);
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memcpy(data, imgdata, imgsize);
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hres = CreateStreamOnHGlobal (hglob, FALSE, &stream);
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ok (hres == S_OK, "createstreamonhglobal failed? doubt it... hres 0x%08lx\n", hres);
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memset(&seekto,0,sizeof(seekto));
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hres = IStream_Seek(stream,seekto,SEEK_CUR,&newpos1);
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ok (hres == S_OK, "istream seek failed? doubt it... hres 0x%08lx\n", hres);
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test_pic_with_stream(stream, imgsize);
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/* again with Non Statable and Non Seekable stream */
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stream = (LPSTREAM)NoStatStreamImpl_Construct(hglob);
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test_pic_with_stream(stream, 0);
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}
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static void test_empty_image(void) {
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LPBYTE data;
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LPSTREAM stream;
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IPicture* pic = NULL;
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HRESULT hres;
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LPVOID pvObj = NULL;
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HGLOBAL hglob;
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OLE_HANDLE handle;
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ULARGE_INTEGER newpos1;
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LARGE_INTEGER seekto;
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short type;
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/* Empty image. Happens occasionally in VB programs. */
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hglob = GlobalAlloc (0, 8);
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data = GlobalLock (hglob);
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memcpy(data,"lt\0\0",4);
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((DWORD*)data)[1] = 0;
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hres = CreateStreamOnHGlobal (hglob, TRUE, &stream);
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ok (hres == S_OK, "CreatestreamOnHGlobal failed? doubt it... hres 0x%08lx\n", hres);
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memset(&seekto,0,sizeof(seekto));
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hres = IStream_Seek(stream,seekto,SEEK_CUR,&newpos1);
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ok (hres == S_OK, "istream seek failed? doubt it... hres 0x%08lx\n", hres);
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pvObj = NULL;
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hres = pOleLoadPicture(stream, 8, TRUE, &IID_IPicture, &pvObj);
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pic = pvObj;
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ok(hres == S_OK,"empty picture not loaded, hres 0x%08lx\n", hres);
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ok(pic != NULL,"empty picture not loaded, pic is NULL\n");
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hres = IPicture_get_Type (pic, &type);
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ok (hres == S_OK,"empty picture get type failed with hres 0x%08lx\n", hres);
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ok (type == PICTYPE_NONE,"type is %d, but should be PICTYPE_NONE(0)\n", type);
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hres = IPicture_get_Handle (pic, &handle);
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ok (hres == S_OK,"empty picture get handle failed with hres 0x%08lx\n", hres);
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ok (handle == 0, "empty picture get handle did not return 0, but 0x%08x\n", handle);
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IPicture_Release (pic);
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}
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static void test_empty_image_2(void) {
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LPBYTE data;
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LPSTREAM stream;
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IPicture* pic = NULL;
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HRESULT hres;
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LPVOID pvObj = NULL;
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HGLOBAL hglob;
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ULARGE_INTEGER newpos1;
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LARGE_INTEGER seekto;
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short type;
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/* Empty image at random stream position. */
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hglob = GlobalAlloc (0, 200);
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data = GlobalLock (hglob);
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data += 42;
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memcpy(data,"lt\0\0",4);
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((DWORD*)data)[1] = 0;
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hres = CreateStreamOnHGlobal (hglob, TRUE, &stream);
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ok (hres == S_OK, "CreatestreamOnHGlobal failed? doubt it... hres 0x%08lx\n", hres);
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memset(&seekto,0,sizeof(seekto));
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seekto.u.LowPart = 42;
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hres = IStream_Seek(stream,seekto,SEEK_CUR,&newpos1);
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ok (hres == S_OK, "istream seek failed? doubt it... hres 0x%08lx\n", hres);
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pvObj = NULL;
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hres = pOleLoadPicture(stream, 8, TRUE, &IID_IPicture, &pvObj);
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pic = pvObj;
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ok(hres == S_OK,"empty picture not loaded, hres 0x%08lx\n", hres);
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ok(pic != NULL,"empty picture not loaded, pic is NULL\n");
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hres = IPicture_get_Type (pic, &type);
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ok (hres == S_OK,"empty picture get type failed with hres 0x%08lx\n", hres);
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ok (type == PICTYPE_NONE,"type is %d, but should be PICTYPE_NONE(0)\n", type);
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IPicture_Release (pic);
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}
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START_TEST(olepicture)
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{
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hOleaut32 = LoadLibraryA("oleaut32.dll");
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pOleLoadPicture = (void*)GetProcAddress(hOleaut32, "OleLoadPicture");
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if (!pOleLoadPicture)
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return;
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/* Test regular 1x1 pixel images of gif, jpg, bmp type */
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test_pic(gifimage, sizeof(gifimage));
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test_pic(jpgimage, sizeof(jpgimage));
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test_pic(bmpimage, sizeof(bmpimage));
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test_pic(gif4pixel, sizeof(gif4pixel));
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/* No PNG support yet here or in older Windows...
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test_pic(pngimage, sizeof(pngimage));
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*/
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test_empty_image();
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test_empty_image_2();
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}
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/* Helper functions only ... */
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static void NoStatStreamImpl_Destroy(NoStatStreamImpl* This)
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{
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GlobalFree(This->supportHandle);
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This->supportHandle=0;
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HeapFree(GetProcessHeap(), 0, This);
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}
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static ULONG WINAPI NoStatStreamImpl_AddRef(
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IStream* iface)
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{
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NoStatStreamImpl* const This=(NoStatStreamImpl*)iface;
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return InterlockedIncrement(&This->ref);
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}
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static HRESULT WINAPI NoStatStreamImpl_QueryInterface(
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IStream* iface,
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REFIID riid, /* [in] */
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void** ppvObject) /* [iid_is][out] */
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{
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NoStatStreamImpl* const This=(NoStatStreamImpl*)iface;
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if (ppvObject==0) return E_INVALIDARG;
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*ppvObject = 0;
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if (memcmp(&IID_IUnknown, riid, sizeof(IID_IUnknown)) == 0)
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{
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*ppvObject = (IStream*)This;
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}
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else if (memcmp(&IID_IStream, riid, sizeof(IID_IStream)) == 0)
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{
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*ppvObject = (IStream*)This;
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}
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if ((*ppvObject)==0)
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return E_NOINTERFACE;
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NoStatStreamImpl_AddRef(iface);
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return S_OK;
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}
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static ULONG WINAPI NoStatStreamImpl_Release(
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IStream* iface)
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{
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NoStatStreamImpl* const This=(NoStatStreamImpl*)iface;
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ULONG newRef = InterlockedDecrement(&This->ref);
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if (newRef==0)
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NoStatStreamImpl_Destroy(This);
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return newRef;
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}
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static HRESULT WINAPI NoStatStreamImpl_Read(
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IStream* iface,
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void* pv, /* [length_is][size_is][out] */
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ULONG cb, /* [in] */
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ULONG* pcbRead) /* [out] */
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{
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NoStatStreamImpl* const This=(NoStatStreamImpl*)iface;
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void* supportBuffer;
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ULONG bytesReadBuffer;
|
|
ULONG bytesToReadFromBuffer;
|
|
|
|
if (pcbRead==0)
|
|
pcbRead = &bytesReadBuffer;
|
|
bytesToReadFromBuffer = min( This->streamSize.u.LowPart - This->currentPosition.u.LowPart, cb);
|
|
supportBuffer = GlobalLock(This->supportHandle);
|
|
memcpy(pv, (char *) supportBuffer+This->currentPosition.u.LowPart, bytesToReadFromBuffer);
|
|
This->currentPosition.u.LowPart+=bytesToReadFromBuffer;
|
|
*pcbRead = bytesToReadFromBuffer;
|
|
GlobalUnlock(This->supportHandle);
|
|
if(*pcbRead == cb)
|
|
return S_OK;
|
|
return S_FALSE;
|
|
}
|
|
|
|
static HRESULT WINAPI NoStatStreamImpl_Write(
|
|
IStream* iface,
|
|
const void* pv, /* [size_is][in] */
|
|
ULONG cb, /* [in] */
|
|
ULONG* pcbWritten) /* [out] */
|
|
{
|
|
NoStatStreamImpl* const This=(NoStatStreamImpl*)iface;
|
|
void* supportBuffer;
|
|
ULARGE_INTEGER newSize;
|
|
ULONG bytesWritten = 0;
|
|
|
|
if (pcbWritten == 0)
|
|
pcbWritten = &bytesWritten;
|
|
if (cb == 0)
|
|
return S_OK;
|
|
newSize.u.HighPart = 0;
|
|
newSize.u.LowPart = This->currentPosition.u.LowPart + cb;
|
|
if (newSize.u.LowPart > This->streamSize.u.LowPart)
|
|
IStream_SetSize(iface, newSize);
|
|
|
|
supportBuffer = GlobalLock(This->supportHandle);
|
|
memcpy((char *) supportBuffer+This->currentPosition.u.LowPart, pv, cb);
|
|
This->currentPosition.u.LowPart+=cb;
|
|
*pcbWritten = cb;
|
|
GlobalUnlock(This->supportHandle);
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI NoStatStreamImpl_Seek(
|
|
IStream* iface,
|
|
LARGE_INTEGER dlibMove, /* [in] */
|
|
DWORD dwOrigin, /* [in] */
|
|
ULARGE_INTEGER* plibNewPosition) /* [out] */
|
|
{
|
|
NoStatStreamImpl* const This=(NoStatStreamImpl*)iface;
|
|
ULARGE_INTEGER newPosition;
|
|
switch (dwOrigin)
|
|
{
|
|
case STREAM_SEEK_SET:
|
|
newPosition.u.HighPart = 0;
|
|
newPosition.u.LowPart = 0;
|
|
break;
|
|
case STREAM_SEEK_CUR:
|
|
newPosition = This->currentPosition;
|
|
break;
|
|
case STREAM_SEEK_END:
|
|
newPosition = This->streamSize;
|
|
break;
|
|
default:
|
|
return STG_E_INVALIDFUNCTION;
|
|
}
|
|
if (dlibMove.QuadPart < 0 && newPosition.QuadPart < -dlibMove.QuadPart)
|
|
return STG_E_INVALIDFUNCTION;
|
|
newPosition.QuadPart += dlibMove.QuadPart;
|
|
if (plibNewPosition) *plibNewPosition = newPosition;
|
|
This->currentPosition = newPosition;
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI NoStatStreamImpl_SetSize(
|
|
IStream* iface,
|
|
ULARGE_INTEGER libNewSize) /* [in] */
|
|
{
|
|
NoStatStreamImpl* const This=(NoStatStreamImpl*)iface;
|
|
HGLOBAL supportHandle;
|
|
if (libNewSize.u.HighPart != 0)
|
|
return STG_E_INVALIDFUNCTION;
|
|
if (This->streamSize.u.LowPart == libNewSize.u.LowPart)
|
|
return S_OK;
|
|
supportHandle = GlobalReAlloc(This->supportHandle, libNewSize.u.LowPart, 0);
|
|
if (supportHandle == 0)
|
|
return STG_E_MEDIUMFULL;
|
|
This->supportHandle = supportHandle;
|
|
This->streamSize.u.LowPart = libNewSize.u.LowPart;
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI NoStatStreamImpl_CopyTo(
|
|
IStream* iface,
|
|
IStream* pstm, /* [unique][in] */
|
|
ULARGE_INTEGER cb, /* [in] */
|
|
ULARGE_INTEGER* pcbRead, /* [out] */
|
|
ULARGE_INTEGER* pcbWritten) /* [out] */
|
|
{
|
|
HRESULT hr = S_OK;
|
|
BYTE tmpBuffer[128];
|
|
ULONG bytesRead, bytesWritten, copySize;
|
|
ULARGE_INTEGER totalBytesRead;
|
|
ULARGE_INTEGER totalBytesWritten;
|
|
|
|
if ( pstm == 0 )
|
|
return STG_E_INVALIDPOINTER;
|
|
totalBytesRead.u.LowPart = totalBytesRead.u.HighPart = 0;
|
|
totalBytesWritten.u.LowPart = totalBytesWritten.u.HighPart = 0;
|
|
|
|
while ( cb.u.LowPart > 0 )
|
|
{
|
|
if ( cb.u.LowPart >= 128 )
|
|
copySize = 128;
|
|
else
|
|
copySize = cb.u.LowPart;
|
|
IStream_Read(iface, tmpBuffer, copySize, &bytesRead);
|
|
totalBytesRead.u.LowPart += bytesRead;
|
|
IStream_Write(pstm, tmpBuffer, bytesRead, &bytesWritten);
|
|
totalBytesWritten.u.LowPart += bytesWritten;
|
|
if (bytesRead != bytesWritten)
|
|
{
|
|
hr = STG_E_MEDIUMFULL;
|
|
break;
|
|
}
|
|
if (bytesRead!=copySize)
|
|
cb.u.LowPart = 0;
|
|
else
|
|
cb.u.LowPart -= bytesRead;
|
|
}
|
|
if (pcbRead)
|
|
{
|
|
pcbRead->u.LowPart = totalBytesRead.u.LowPart;
|
|
pcbRead->u.HighPart = totalBytesRead.u.HighPart;
|
|
}
|
|
|
|
if (pcbWritten)
|
|
{
|
|
pcbWritten->u.LowPart = totalBytesWritten.u.LowPart;
|
|
pcbWritten->u.HighPart = totalBytesWritten.u.HighPart;
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
static HRESULT WINAPI NoStatStreamImpl_Commit(IStream* iface,DWORD grfCommitFlags)
|
|
{
|
|
return S_OK;
|
|
}
|
|
static HRESULT WINAPI NoStatStreamImpl_Revert(IStream* iface) { return S_OK; }
|
|
|
|
static HRESULT WINAPI NoStatStreamImpl_LockRegion(
|
|
IStream* iface,
|
|
ULARGE_INTEGER libOffset, /* [in] */
|
|
ULARGE_INTEGER cb, /* [in] */
|
|
DWORD dwLockType) /* [in] */
|
|
{
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI NoStatStreamImpl_UnlockRegion(
|
|
IStream* iface,
|
|
ULARGE_INTEGER libOffset, /* [in] */
|
|
ULARGE_INTEGER cb, /* [in] */
|
|
DWORD dwLockType) /* [in] */
|
|
{
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT WINAPI NoStatStreamImpl_Stat(
|
|
IStream* iface,
|
|
STATSTG* pstatstg, /* [out] */
|
|
DWORD grfStatFlag) /* [in] */
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
static HRESULT WINAPI NoStatStreamImpl_Clone(
|
|
IStream* iface,
|
|
IStream** ppstm) /* [out] */
|
|
{
|
|
return E_NOTIMPL;
|
|
}
|
|
static const IStreamVtbl NoStatStreamImpl_Vtbl;
|
|
|
|
static NoStatStreamImpl* NoStatStreamImpl_Construct(HGLOBAL hGlobal)
|
|
{
|
|
NoStatStreamImpl* newStream;
|
|
|
|
newStream = HeapAlloc(GetProcessHeap(), 0, sizeof(NoStatStreamImpl));
|
|
if (newStream!=0)
|
|
{
|
|
newStream->lpVtbl = &NoStatStreamImpl_Vtbl;
|
|
newStream->ref = 0;
|
|
newStream->supportHandle = hGlobal;
|
|
|
|
if (!newStream->supportHandle)
|
|
newStream->supportHandle = GlobalAlloc(GMEM_MOVEABLE | GMEM_NODISCARD |
|
|
GMEM_SHARE, 0);
|
|
newStream->currentPosition.u.HighPart = 0;
|
|
newStream->currentPosition.u.LowPart = 0;
|
|
newStream->streamSize.u.HighPart = 0;
|
|
newStream->streamSize.u.LowPart = GlobalSize(newStream->supportHandle);
|
|
}
|
|
return newStream;
|
|
}
|
|
|
|
|
|
static const IStreamVtbl NoStatStreamImpl_Vtbl =
|
|
{
|
|
NoStatStreamImpl_QueryInterface,
|
|
NoStatStreamImpl_AddRef,
|
|
NoStatStreamImpl_Release,
|
|
NoStatStreamImpl_Read,
|
|
NoStatStreamImpl_Write,
|
|
NoStatStreamImpl_Seek,
|
|
NoStatStreamImpl_SetSize,
|
|
NoStatStreamImpl_CopyTo,
|
|
NoStatStreamImpl_Commit,
|
|
NoStatStreamImpl_Revert,
|
|
NoStatStreamImpl_LockRegion,
|
|
NoStatStreamImpl_UnlockRegion,
|
|
NoStatStreamImpl_Stat,
|
|
NoStatStreamImpl_Clone
|
|
};
|