mirror of
https://github.com/reactos/wine.git
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690 lines
22 KiB
C
690 lines
22 KiB
C
/*
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* icon extracting
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*
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* taken and slightly changed from shell
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* this should replace the icon extraction code in shell32 and shell16 once
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* it needs a serious test for compliance with the native API
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*
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* Copyright 2000 Juergen Schmied
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <stdarg.h>
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#include <string.h>
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#include <stdlib.h> /* abs() */
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#include <sys/types.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#define NONAMELESSUNION
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#define NONAMELESSSTRUCT
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "winnls.h"
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#include "user_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(icon);
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#include "pshpack1.h"
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typedef struct
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{
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BYTE bWidth; /* Width, in pixels, of the image */
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BYTE bHeight; /* Height, in pixels, of the image */
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BYTE bColorCount; /* Number of colors in image (0 if >=8bpp) */
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BYTE bReserved; /* Reserved ( must be 0) */
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WORD wPlanes; /* Color Planes */
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WORD wBitCount; /* Bits per pixel */
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DWORD dwBytesInRes; /* How many bytes in this resource? */
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DWORD dwImageOffset; /* Where in the file is this image? */
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} icoICONDIRENTRY, *LPicoICONDIRENTRY;
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typedef struct
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{
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WORD idReserved; /* Reserved (must be 0) */
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WORD idType; /* Resource Type (RES_ICON or RES_CURSOR) */
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WORD idCount; /* How many images */
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icoICONDIRENTRY idEntries[1]; /* An entry for each image (idCount of 'em) */
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} icoICONDIR, *LPicoICONDIR;
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typedef struct
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{
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WORD offset;
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WORD length;
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WORD flags;
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WORD id;
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WORD handle;
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WORD usage;
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} NE_NAMEINFO;
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typedef struct
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{
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WORD type_id;
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WORD count;
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DWORD resloader;
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} NE_TYPEINFO;
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#define NE_RSCTYPE_ICON 0x8003
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#define NE_RSCTYPE_GROUP_ICON 0x800e
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#include "poppack.h"
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#if 0
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static void dumpIcoDirEnty ( LPicoICONDIRENTRY entry )
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{
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TRACE("width = 0x%08x height = 0x%08x\n", entry->bWidth, entry->bHeight);
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TRACE("colors = 0x%08x planes = 0x%08x\n", entry->bColorCount, entry->wPlanes);
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TRACE("bitcount = 0x%08x bytesinres = 0x%08lx offset = 0x%08lx\n",
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entry->wBitCount, entry->dwBytesInRes, entry->dwImageOffset);
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}
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static void dumpIcoDir ( LPicoICONDIR entry )
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{
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TRACE("type = 0x%08x count = 0x%08x\n", entry->idType, entry->idCount);
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}
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#endif
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/**********************************************************************
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* find_entry_by_id
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*
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* Find an entry by id in a resource directory
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* Copied from loader/pe_resource.c (FIXME: should use exported resource functions)
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*/
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static const IMAGE_RESOURCE_DIRECTORY *find_entry_by_id( const IMAGE_RESOURCE_DIRECTORY *dir,
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WORD id, const void *root )
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{
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const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
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int min, max, pos;
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entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
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min = dir->NumberOfNamedEntries;
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max = min + dir->NumberOfIdEntries - 1;
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while (min <= max)
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{
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pos = (min + max) / 2;
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if (entry[pos].u.Id == id)
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return (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + entry[pos].u2.s2.OffsetToDirectory);
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if (entry[pos].u.Id > id) max = pos - 1;
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else min = pos + 1;
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}
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return NULL;
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}
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/**********************************************************************
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* find_entry_default
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*
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* Find a default entry in a resource directory
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* Copied from loader/pe_resource.c (FIXME: should use exported resource functions)
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*/
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static const IMAGE_RESOURCE_DIRECTORY *find_entry_default( const IMAGE_RESOURCE_DIRECTORY *dir,
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const void *root )
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{
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const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
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entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
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return (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + entry->u2.s2.OffsetToDirectory);
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}
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/*************************************************************************
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* USER32_GetResourceTable
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*/
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static DWORD USER32_GetResourceTable(LPBYTE peimage,DWORD pesize,LPBYTE *retptr)
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{
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IMAGE_DOS_HEADER * mz_header;
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TRACE("%p %p\n", peimage, retptr);
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*retptr = NULL;
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mz_header = (IMAGE_DOS_HEADER*) peimage;
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if (mz_header->e_magic != IMAGE_DOS_SIGNATURE)
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{
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if (mz_header->e_cblp == 1) /* .ICO file ? */
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{
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*retptr = (LPBYTE)-1; /* ICONHEADER.idType, must be 1 */
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return 1;
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}
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else
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return 0; /* failed */
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}
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if (mz_header->e_lfanew >= pesize) {
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return 0; /* failed, happens with PKZIP DOS Exes for instance. */
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}
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if (*((DWORD*)(peimage + mz_header->e_lfanew)) == IMAGE_NT_SIGNATURE )
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return IMAGE_NT_SIGNATURE;
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if (*((WORD*)(peimage + mz_header->e_lfanew)) == IMAGE_OS2_SIGNATURE )
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{
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IMAGE_OS2_HEADER * ne_header;
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ne_header = (IMAGE_OS2_HEADER*)(peimage + mz_header->e_lfanew);
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if (ne_header->ne_magic != IMAGE_OS2_SIGNATURE)
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return 0;
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if( (ne_header->ne_restab - ne_header->ne_rsrctab) <= sizeof(NE_TYPEINFO) )
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*retptr = (LPBYTE)-1;
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else
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*retptr = peimage + mz_header->e_lfanew + ne_header->ne_rsrctab;
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return IMAGE_OS2_SIGNATURE;
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}
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return 0; /* failed */
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}
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/*************************************************************************
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* USER32_LoadResource
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*/
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static BYTE * USER32_LoadResource( LPBYTE peimage, NE_NAMEINFO* pNInfo, WORD sizeShift, ULONG *uSize)
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{
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TRACE("%p %p 0x%08x\n", peimage, pNInfo, sizeShift);
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*uSize = (DWORD)pNInfo->length << sizeShift;
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return peimage + ((DWORD)pNInfo->offset << sizeShift);
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}
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/*************************************************************************
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* ICO_LoadIcon
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*/
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static BYTE * ICO_LoadIcon( LPBYTE peimage, LPicoICONDIRENTRY lpiIDE, ULONG *uSize)
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{
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TRACE("%p %p\n", peimage, lpiIDE);
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*uSize = lpiIDE->dwBytesInRes;
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return peimage + lpiIDE->dwImageOffset;
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}
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/*************************************************************************
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* ICO_GetIconDirectory
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*
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* Reads .ico file and build phony ICONDIR struct
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*/
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static BYTE * ICO_GetIconDirectory( LPBYTE peimage, LPicoICONDIR* lplpiID, ULONG *uSize )
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{
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CURSORICONDIR * lpcid; /* icon resource in resource-dir format */
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CURSORICONDIR * lpID; /* icon resource in resource format */
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int i;
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TRACE("%p %p\n", peimage, lplpiID);
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lpcid = (CURSORICONDIR*)peimage;
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if( lpcid->idReserved || (lpcid->idType != 1) || (!lpcid->idCount) )
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return 0;
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/* allocate the phony ICONDIR structure */
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*uSize = FIELD_OFFSET(CURSORICONDIR, idEntries[lpcid->idCount]);
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if( (lpID = HeapAlloc(GetProcessHeap(),0, *uSize) ))
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{
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/* copy the header */
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lpID->idReserved = lpcid->idReserved;
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lpID->idType = lpcid->idType;
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lpID->idCount = lpcid->idCount;
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/* copy the entries */
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for( i=0; i < lpcid->idCount; i++ )
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{
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memcpy(&lpID->idEntries[i], &lpcid->idEntries[i], sizeof(CURSORICONDIRENTRY) - 2);
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lpID->idEntries[i].wResId = i;
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}
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*lplpiID = (LPicoICONDIR)peimage;
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return (BYTE *)lpID;
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}
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return 0;
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}
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/*************************************************************************
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* ICO_ExtractIconExW [internal]
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*
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* NOTES
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* nIcons = 0: returns number of Icons in file
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*
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* returns
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* invalid file: -1
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* failure:0;
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* success: number of icons in file (nIcons = 0) or nr of icons retrieved
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*/
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static UINT ICO_ExtractIconExW(
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LPCWSTR lpszExeFileName,
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HICON * RetPtr,
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INT nIconIndex,
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UINT nIcons,
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UINT cxDesired,
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UINT cyDesired,
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UINT *pIconId,
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UINT flags)
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{
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UINT ret = 0;
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UINT cx1, cx2, cy1, cy2;
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LPBYTE pData;
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DWORD sig;
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HANDLE hFile;
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UINT16 iconDirCount = 0,iconCount = 0;
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LPBYTE peimage;
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HANDLE fmapping;
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DWORD fsizeh,fsizel;
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WCHAR szExePath[MAX_PATH];
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DWORD dwSearchReturn;
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TRACE("%s, %d, %d %p 0x%08x\n", debugstr_w(lpszExeFileName), nIconIndex, nIcons, pIconId, flags);
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dwSearchReturn = SearchPathW(NULL, lpszExeFileName, NULL, sizeof(szExePath) / sizeof(szExePath[0]), szExePath, NULL);
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if ((dwSearchReturn == 0) || (dwSearchReturn > sizeof(szExePath) / sizeof(szExePath[0])))
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{
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WARN("File %s not found or path too long\n", debugstr_w(lpszExeFileName));
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return -1;
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}
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hFile = CreateFileW(szExePath, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0);
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if (hFile == INVALID_HANDLE_VALUE) return ret;
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fsizel = GetFileSize(hFile,&fsizeh);
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/* Map the file */
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fmapping = CreateFileMappingW(hFile, NULL, PAGE_READONLY | SEC_COMMIT, 0, 0, NULL);
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CloseHandle(hFile);
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if (!fmapping)
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{
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WARN("CreateFileMapping error %d\n", GetLastError() );
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return 0xFFFFFFFF;
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}
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if (!(peimage = MapViewOfFile(fmapping, FILE_MAP_READ, 0, 0, 0)))
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{
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WARN("MapViewOfFile error %d\n", GetLastError() );
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CloseHandle(fmapping);
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return 0xFFFFFFFF;
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}
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CloseHandle(fmapping);
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cx1 = LOWORD(cxDesired);
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cx2 = HIWORD(cxDesired);
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cy1 = LOWORD(cyDesired);
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cy2 = HIWORD(cyDesired);
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if (pIconId) /* Invalidate first icon identifier */
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*pIconId = 0xFFFFFFFF;
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if (!pIconId) /* if no icon identifier array present use the icon handle array as intermediate storage */
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pIconId = (UINT*)RetPtr;
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sig = USER32_GetResourceTable(peimage, fsizel, &pData);
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/* ico file or NE exe/dll*/
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if (sig==IMAGE_OS2_SIGNATURE || sig==1) /* .ICO file */
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{
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BYTE *pCIDir = 0;
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NE_TYPEINFO *pTInfo = (NE_TYPEINFO*)(pData + 2);
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NE_NAMEINFO *pIconStorage = NULL;
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NE_NAMEINFO *pIconDir = NULL;
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LPicoICONDIR lpiID = NULL;
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ULONG uSize = 0;
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TRACE("-- OS2/icon Signature (0x%08x)\n", sig);
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if (pData == (BYTE*)-1)
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{
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pCIDir = ICO_GetIconDirectory(peimage, &lpiID, &uSize); /* check for .ICO file */
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if (pCIDir)
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{
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iconDirCount = 1; iconCount = lpiID->idCount;
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TRACE("-- icon found %p 0x%08x 0x%08x 0x%08x\n", pCIDir, uSize, iconDirCount, iconCount);
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}
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}
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else while (pTInfo->type_id && !(pIconStorage && pIconDir))
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{
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if (pTInfo->type_id == NE_RSCTYPE_GROUP_ICON) /* find icon directory and icon repository */
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{
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iconDirCount = pTInfo->count;
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pIconDir = ((NE_NAMEINFO*)(pTInfo + 1));
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TRACE("\tfound directory - %i icon families\n", iconDirCount);
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}
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if (pTInfo->type_id == NE_RSCTYPE_ICON)
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{
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iconCount = pTInfo->count;
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pIconStorage = ((NE_NAMEINFO*)(pTInfo + 1));
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TRACE("\ttotal icons - %i\n", iconCount);
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}
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pTInfo = (NE_TYPEINFO *)((char*)(pTInfo+1)+pTInfo->count*sizeof(NE_NAMEINFO));
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}
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if ((pIconStorage && pIconDir) || lpiID) /* load resources and create icons */
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{
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if (nIcons == 0)
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{
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ret = iconDirCount;
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if (lpiID) /* *.ico file, deallocate heap pointer*/
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HeapFree(GetProcessHeap(), 0, pCIDir);
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}
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else if (nIconIndex < iconDirCount)
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{
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UINT16 i, icon;
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if (nIcons > iconDirCount - nIconIndex)
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nIcons = iconDirCount - nIconIndex;
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for (i = 0; i < nIcons; i++)
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{
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/* .ICO files have only one icon directory */
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if (lpiID == NULL) /* not *.ico */
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pCIDir = USER32_LoadResource(peimage, pIconDir + i + nIconIndex, *(WORD*)pData, &uSize);
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pIconId[i] = LookupIconIdFromDirectoryEx(pCIDir, TRUE, cx1, cy1, flags);
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if (cx2 && cy2) pIconId[++i] = LookupIconIdFromDirectoryEx(pCIDir, TRUE, cx2, cy2, flags);
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}
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if (lpiID) /* *.ico file, deallocate heap pointer*/
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HeapFree(GetProcessHeap(), 0, pCIDir);
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for (icon = 0; icon < nIcons; icon++)
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{
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pCIDir = NULL;
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if (lpiID)
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pCIDir = ICO_LoadIcon(peimage, lpiID->idEntries + (int)pIconId[icon], &uSize);
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else
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for (i = 0; i < iconCount; i++)
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if (pIconStorage[i].id == ((int)pIconId[icon] | 0x8000) )
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pCIDir = USER32_LoadResource(peimage, pIconStorage + i, *(WORD*)pData, &uSize);
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if (pCIDir)
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{
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RetPtr[icon] = CreateIconFromResourceEx(pCIDir, uSize, TRUE, 0x00030000,
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cx1, cy1, flags);
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if (cx2 && cy2)
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RetPtr[++icon] = CreateIconFromResourceEx(pCIDir, uSize, TRUE, 0x00030000,
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cx2, cy2, flags);
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}
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else
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RetPtr[icon] = 0;
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}
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ret = icon; /* return number of retrieved icons */
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}
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}
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}
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/* end ico file */
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/* exe/dll */
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else if( sig == IMAGE_NT_SIGNATURE )
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{
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BYTE *idata, *igdata;
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const IMAGE_RESOURCE_DIRECTORY *rootresdir, *iconresdir, *icongroupresdir;
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const IMAGE_RESOURCE_DATA_ENTRY *idataent, *igdataent;
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const IMAGE_RESOURCE_DIRECTORY_ENTRY *xresent;
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ULONG size;
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UINT i;
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rootresdir = RtlImageDirectoryEntryToData((HMODULE)peimage, FALSE, IMAGE_DIRECTORY_ENTRY_RESOURCE, &size);
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if (!rootresdir)
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{
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WARN("haven't found section for resource directory.\n");
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goto end;
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}
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/* search for the group icon directory */
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if (!(icongroupresdir = find_entry_by_id(rootresdir, LOWORD(RT_GROUP_ICON), rootresdir)))
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{
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WARN("No Icongroupresourcedirectory!\n");
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goto end; /* failure */
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}
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iconDirCount = icongroupresdir->NumberOfNamedEntries + icongroupresdir->NumberOfIdEntries;
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/* only number of icons requested */
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if( !pIconId )
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{
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ret = iconDirCount;
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goto end; /* success */
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}
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if( nIconIndex < 0 )
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{
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/* search resource id */
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int n = 0;
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int iId = abs(nIconIndex);
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const IMAGE_RESOURCE_DIRECTORY_ENTRY* xprdeTmp = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)(icongroupresdir+1);
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while(n<iconDirCount && xprdeTmp)
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{
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if(xprdeTmp->u.Id == iId)
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{
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nIconIndex = n;
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break;
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}
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n++;
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xprdeTmp++;
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}
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if (nIconIndex < 0)
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{
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WARN("resource id %d not found\n", iId);
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goto end; /* failure */
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}
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}
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else
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{
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/* check nIconIndex to be in range */
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if (nIconIndex >= iconDirCount)
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{
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WARN("nIconIndex %d is larger than iconDirCount %d\n",nIconIndex,iconDirCount);
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goto end; /* failure */
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}
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}
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/* assure we don't get too much */
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if( nIcons > iconDirCount - nIconIndex )
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nIcons = iconDirCount - nIconIndex;
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|
|
|
/* starting from specified index */
|
|
xresent = (const IMAGE_RESOURCE_DIRECTORY_ENTRY*)(icongroupresdir+1) + nIconIndex;
|
|
|
|
for (i=0; i < nIcons; i++,xresent++)
|
|
{
|
|
const IMAGE_RESOURCE_DIRECTORY *resdir;
|
|
|
|
/* go down this resource entry, name */
|
|
resdir = (const IMAGE_RESOURCE_DIRECTORY *)((const char *)rootresdir + xresent->u2.s2.OffsetToDirectory);
|
|
|
|
/* default language (0) */
|
|
resdir = find_entry_default(resdir,rootresdir);
|
|
igdataent = (const IMAGE_RESOURCE_DATA_ENTRY*)resdir;
|
|
|
|
/* lookup address in mapped image for virtual address */
|
|
igdata = RtlImageRvaToVa(RtlImageNtHeader((HMODULE)peimage), (HMODULE)peimage, igdataent->OffsetToData, NULL);
|
|
if (!igdata)
|
|
{
|
|
FIXME("no matching real address for icongroup!\n");
|
|
goto end; /* failure */
|
|
}
|
|
pIconId[i] = LookupIconIdFromDirectoryEx(igdata, TRUE, cx1, cy1, flags);
|
|
if (cx2 && cy2) pIconId[++i] = LookupIconIdFromDirectoryEx(igdata, TRUE, cx2, cy2, flags);
|
|
}
|
|
|
|
if (!(iconresdir=find_entry_by_id(rootresdir,LOWORD(RT_ICON),rootresdir)))
|
|
{
|
|
WARN("No Iconresourcedirectory!\n");
|
|
goto end; /* failure */
|
|
}
|
|
|
|
for (i=0; i<nIcons; i++)
|
|
{
|
|
const IMAGE_RESOURCE_DIRECTORY *xresdir;
|
|
xresdir = find_entry_by_id(iconresdir, LOWORD(pIconId[i]), rootresdir);
|
|
if( !xresdir )
|
|
{
|
|
WARN("icon entry %d not found\n", LOWORD(pIconId[i]));
|
|
RetPtr[i]=0;
|
|
continue;
|
|
}
|
|
xresdir = find_entry_default(xresdir, rootresdir);
|
|
idataent = (const IMAGE_RESOURCE_DATA_ENTRY*)xresdir;
|
|
|
|
idata = RtlImageRvaToVa(RtlImageNtHeader((HMODULE)peimage), (HMODULE)peimage, idataent->OffsetToData, NULL);
|
|
if (!idata)
|
|
{
|
|
WARN("no matching real address found for icondata!\n");
|
|
RetPtr[i]=0;
|
|
continue;
|
|
}
|
|
RetPtr[i] = CreateIconFromResourceEx(idata, idataent->Size, TRUE, 0x00030000, cx1, cy1, flags);
|
|
if (cx2 && cy2)
|
|
RetPtr[++i] = CreateIconFromResourceEx(idata, idataent->Size, TRUE, 0x00030000, cx2, cy2, flags);
|
|
}
|
|
ret = i; /* return number of retrieved icons */
|
|
} /* if(sig == IMAGE_NT_SIGNATURE) */
|
|
|
|
end:
|
|
UnmapViewOfFile(peimage); /* success */
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PrivateExtractIconsW [USER32.@]
|
|
*
|
|
* NOTES
|
|
* If HIWORD(sizeX) && HIWORD(sizeY) 2 * ((nIcons + 1) MOD 2) icons are
|
|
* returned, with the LOWORD size icon first and the HIWORD size icon
|
|
* second.
|
|
* Also the Windows equivalent does extract icons in a strange way if
|
|
* nIndex is negative. Our implementation treats a negative nIndex as
|
|
* looking for that resource identifier for the first icon to retrieve.
|
|
*
|
|
* FIXME:
|
|
* should also support 16 bit EXE + DLLs, cursor and animated cursor as
|
|
* well as bitmap files.
|
|
*/
|
|
|
|
UINT WINAPI PrivateExtractIconsW (
|
|
LPCWSTR lpwstrFile,
|
|
int nIndex,
|
|
int sizeX,
|
|
int sizeY,
|
|
HICON * phicon, /* [out] pointer to array of nIcons HICON handles */
|
|
UINT* pIconId, /* [out] pointer to array of nIcons icon identifiers or NULL */
|
|
UINT nIcons, /* [in] number of icons to retrieve */
|
|
UINT flags ) /* [in] LR_* flags used by LoadImage */
|
|
{
|
|
TRACE("%s %d %dx%d %p %p %d 0x%08x\n",
|
|
debugstr_w(lpwstrFile), nIndex, sizeX, sizeY, phicon, pIconId, nIcons, flags);
|
|
|
|
if ((nIcons & 1) && HIWORD(sizeX) && HIWORD(sizeY))
|
|
{
|
|
WARN("Uneven number %d of icons requested for small and large icons!\n", nIcons);
|
|
}
|
|
return ICO_ExtractIconExW(lpwstrFile, phicon, nIndex, nIcons, sizeX, sizeY, pIconId, flags);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PrivateExtractIconsA [USER32.@]
|
|
*/
|
|
|
|
UINT WINAPI PrivateExtractIconsA (
|
|
LPCSTR lpstrFile,
|
|
int nIndex,
|
|
int sizeX,
|
|
int sizeY,
|
|
HICON * phicon, /* [out] pointer to array of nIcons HICON handles */
|
|
UINT* piconid, /* [out] pointer to array of nIcons icon identifiers or NULL */
|
|
UINT nIcons, /* [in] number of icons to retrieve */
|
|
UINT flags ) /* [in] LR_* flags used by LoadImage */
|
|
{
|
|
UINT ret;
|
|
INT len = MultiByteToWideChar(CP_ACP, 0, lpstrFile, -1, NULL, 0);
|
|
LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
|
|
|
|
MultiByteToWideChar(CP_ACP, 0, lpstrFile, -1, lpwstrFile, len);
|
|
ret = PrivateExtractIconsW(lpwstrFile, nIndex, sizeX, sizeY, phicon, piconid, nIcons, flags);
|
|
|
|
HeapFree(GetProcessHeap(), 0, lpwstrFile);
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PrivateExtractIconExW [USER32.@]
|
|
* NOTES
|
|
* if nIndex == -1 it returns the number of icons in any case !!!
|
|
*/
|
|
UINT WINAPI PrivateExtractIconExW (
|
|
LPCWSTR lpwstrFile,
|
|
int nIndex,
|
|
HICON * phIconLarge,
|
|
HICON * phIconSmall,
|
|
UINT nIcons )
|
|
{
|
|
DWORD cyicon, cysmicon, cxicon, cxsmicon;
|
|
UINT ret = 0;
|
|
|
|
TRACE("%s %d %p %p %d\n",
|
|
debugstr_w(lpwstrFile),nIndex,phIconLarge, phIconSmall, nIcons);
|
|
|
|
if (nIndex == -1)
|
|
/* get the number of icons */
|
|
return ICO_ExtractIconExW(lpwstrFile, NULL, 0, 0, 0, 0, NULL, LR_DEFAULTCOLOR);
|
|
|
|
if (nIcons == 1 && phIconSmall && phIconLarge)
|
|
{
|
|
HICON hIcon[2];
|
|
cxicon = GetSystemMetrics(SM_CXICON);
|
|
cyicon = GetSystemMetrics(SM_CYICON);
|
|
cxsmicon = GetSystemMetrics(SM_CXSMICON);
|
|
cysmicon = GetSystemMetrics(SM_CYSMICON);
|
|
|
|
ret = ICO_ExtractIconExW(lpwstrFile, hIcon, nIndex, 2, cxicon | (cxsmicon<<16),
|
|
cyicon | (cysmicon<<16), NULL, LR_DEFAULTCOLOR);
|
|
*phIconLarge = hIcon[0];
|
|
*phIconSmall = hIcon[1];
|
|
return ret;
|
|
}
|
|
|
|
if (phIconSmall)
|
|
{
|
|
/* extract n small icons */
|
|
cxsmicon = GetSystemMetrics(SM_CXSMICON);
|
|
cysmicon = GetSystemMetrics(SM_CYSMICON);
|
|
ret = ICO_ExtractIconExW(lpwstrFile, phIconSmall, nIndex, nIcons, cxsmicon,
|
|
cysmicon, NULL, LR_DEFAULTCOLOR);
|
|
}
|
|
if (phIconLarge)
|
|
{
|
|
/* extract n large icons */
|
|
cxicon = GetSystemMetrics(SM_CXICON);
|
|
cyicon = GetSystemMetrics(SM_CYICON);
|
|
ret = ICO_ExtractIconExW(lpwstrFile, phIconLarge, nIndex, nIcons, cxicon,
|
|
cyicon, NULL, LR_DEFAULTCOLOR);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PrivateExtractIconExA [USER32.@]
|
|
*/
|
|
UINT WINAPI PrivateExtractIconExA (
|
|
LPCSTR lpstrFile,
|
|
int nIndex,
|
|
HICON * phIconLarge,
|
|
HICON * phIconSmall,
|
|
UINT nIcons )
|
|
{
|
|
UINT ret;
|
|
INT len = MultiByteToWideChar(CP_ACP, 0, lpstrFile, -1, NULL, 0);
|
|
LPWSTR lpwstrFile = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
|
|
|
|
TRACE("%s %d %p %p %d\n", lpstrFile, nIndex, phIconLarge, phIconSmall, nIcons);
|
|
|
|
MultiByteToWideChar(CP_ACP, 0, lpstrFile, -1, lpwstrFile, len);
|
|
ret = PrivateExtractIconExW(lpwstrFile, nIndex, phIconLarge, phIconSmall, nIcons);
|
|
HeapFree(GetProcessHeap(), 0, lpwstrFile);
|
|
return ret;
|
|
}
|