/* $Id: winicon.cpp,v 1.34 2002-05-31 09:54:05 sandervl Exp $ */ /* * Win32 Icon Code for OS/2 * * * Copyright 1998 Sander van Leeuwen (sandervl@xs4all.nl) (OS/2 Port) * * Based on Wine code (objects\bitmap.c, loader\resource.c, objects\cursoricon.c): * * Copyright 1993 Alexandre Julliard * 1993 Robert J. Amstadt * 1996 Martin Von Loewis * 1997 Alex Korobka * 1998 Turchanov Sergey * 1998 Huw D M Davies * Theory: * * http://www.microsoft.com/win32dev/ui/icons.htm * * Cursors and icons are stored in a global heap block, with the * following layout: * * CURSORICONINFO info; * BYTE[] ANDbits; * BYTE[] XORbits; * * The bits structures are in the format of a device-dependent bitmap. * * This layout is very sub-optimal, as the bitmap bits are stored in * the X client instead of in the server like other bitmaps; however, * some programs (notably Paint Brush) expect to be able to manipulate * the bits directly :-( * * FIXME: what are we going to do with animation and color (bpp > 1) cursors ?! * ************************************************************************************************** * * TODO: Scaling of system cursors (store them as resources in user32 instead of using PM pointers) * TODO: We use the hColorBmp member of the CURSORICONINFO structure to store the PM cursor handle * Might mess up PaintBrush (see above) * * Project Odin Software License can be found in LICENSE.TXT * */ #include #include #include #include #include #include #include "dib.h" #include #include #include "initterm.h" #include "oslibres.h" #include "oslibwin.h" #include "dc.h" #define DBG_LOCALLOG DBG_winicon #include "dbglocal.h" /********************************************************************** * ICONCACHE for cursors/icons loaded with LR_SHARED. * * FIXME: This should not be allocated on the system heap, but on a * subsystem-global heap (i.e. one for all Win16 processes, * and one for each Win32 process). */ typedef struct tagICONCACHE { struct tagICONCACHE *next; HMODULE hModule; HRSRC hRsrc; HRSRC hGroupRsrc; HANDLE handle; INT count; } ICONCACHE; static ICONCACHE *IconAnchor = NULL; static CRITICAL_SECTION IconCrst = CRITICAL_SECTION_INIT; static WORD ICON_HOTSPOT = 0x4242; static HCURSOR hActiveCursor = 0; static HCURSOR hActiveCursorPM = 0; static HGLOBAL CURSORICON_CreateFromResource( HINSTANCE hInstance, DWORD dwResGroupId, HGLOBAL hObj, LPBYTE bits, UINT cbSize, BOOL bIcon, DWORD dwVersion, INT width, INT height, UINT loadflags ); static HGLOBAL CURSORICON_Copy( HGLOBAL handle ); static CURSORICONDIRENTRY *CURSORICON_FindBestIcon( CURSORICONDIR *dir, int width, int height, int colors ); static CURSORICONDIRENTRY *CURSORICON_FindBestCursor( CURSORICONDIR *dir, int width, int height, int color); BOOL CURSORICON_SimulateLoadingFromResourceW( LPWSTR filename, BOOL fCursor, CURSORICONDIR **res, LPBYTE **ptr); static INT CURSORICON_DelSharedIcon( HANDLE handle ); static void CURSORICON_AddSharedIcon( HMODULE hModule, HRSRC hRsrc, HRSRC hGroupRsrc, HANDLE handle ); static HANDLE CURSORICON_FindSharedIcon( HMODULE hModule, HRSRC hRsrc ); static ICONCACHE* CURSORICON_FindCache(HANDLE handle); static HGLOBAL CreateCursorIconIndirect( HINSTANCE hInstance, CURSORICONINFO *info, LPCVOID lpANDbits, LPCVOID lpXORbits, BOOL fIcon); /*********************************************************************** * CreateIcon (USER32.75) */ HICON WIN32API CreateIcon(HINSTANCE hInstance, INT nWidth, INT nHeight, BYTE bPlanes, BYTE bBitsPixel, LPCVOID lpANDbits, LPCVOID lpXORbits ) { CURSORICONINFO info; dprintf(("USER32: CreateIcon (%d,%d), %d, %x, %x", nWidth, nHeight, bPlanes * bBitsPixel, lpXORbits, lpANDbits)); info.ptHotSpot.x = ICON_HOTSPOT; info.ptHotSpot.y = ICON_HOTSPOT; info.nWidth = nWidth; info.nHeight = nHeight; info.nWidthBytes = 0; info.bPlanes = bPlanes; info.bBitsPerPixel = bBitsPixel; info.hInstance = hInstance; info.dwResGroupId = -1; info.hColorBmp = 0; return CreateCursorIconIndirect(0, &info, lpANDbits, lpXORbits, TRUE); } /********************************************************************** * CreateIconFromResource (USER32.76) */ HICON WIN32API CreateIconFromResource(LPBYTE bits, UINT cbSize, BOOL bIcon, DWORD dwVersion) { return CreateIconFromResourceEx( bits, cbSize, bIcon, dwVersion, 0,0,0); } //****************************************************************************** //****************************************************************************** HICON WIN32API CreateIconFromResourceEx(LPBYTE bits, UINT cbSize, BOOL bIcon, DWORD dwVersion, INT width, INT height, UINT cFlag ) { dprintf(("USER32: CreateIconFromResourceEx %X %d %d %X %d %d %X,", bits, cbSize, bIcon, dwVersion, width, height, cFlag)); return CURSORICON_CreateFromResource(0, -1, 0, bits, cbSize, bIcon, dwVersion, width, height, cFlag ); } /********************************************************************** * CreateIconIndirect (USER32.78) */ HICON WINAPI CreateIconIndirect(ICONINFO *iconinfo) { BITMAP bmpXor,bmpAnd; HICON hObj; int sizeXor,sizeAnd,colortablesize; dprintf(("USER32: CreateIconIndirect %x %x %x %s", iconinfo, iconinfo->hbmMask, iconinfo->hbmColor, (iconinfo->fIcon) ? "icon" : "cursor")); GetObjectA( iconinfo->hbmColor, sizeof(bmpXor), &bmpXor ); GetObjectA( iconinfo->hbmMask, sizeof(bmpAnd), &bmpAnd ); colortablesize = 0; if(bmpXor.bmBitsPixel <= 8) { colortablesize = sizeof(RGBQUAD)*(1<fIcon) { info->ptHotSpot.x = ICON_HOTSPOT; info->ptHotSpot.y = ICON_HOTSPOT; } else { info->ptHotSpot.x = iconinfo->xHotspot; info->ptHotSpot.y = iconinfo->yHotspot; } info->nWidth = bmpXor.bmWidth; info->nHeight = bmpXor.bmHeight; info->nWidthBytes = bmpXor.bmWidthBytes; info->bPlanes = bmpXor.bmPlanes; info->bBitsPerPixel = bmpXor.bmBitsPixel; info->hInstance = -1; info->dwResGroupId = -1; info->hColorBmp = 0; /* Transfer the bitmap bits to the CURSORICONINFO structure */ GetBitmapBits( iconinfo->hbmMask ,sizeAnd,(char*)(info + 1) ); if(bmpXor.bmBitsPixel > 1) { BITMAPINFO* pInfo = (BITMAPINFO *)malloc(sizeof(BITMAPINFO)+colortablesize+3*sizeof(DWORD)); //+ extra space for > 8bpp images HBITMAP oldbmp; HDC hdc; hdc = CreateCompatibleDC(0); memset(pInfo, 0, sizeof(BITMAPINFO)+colortablesize+3*sizeof(DWORD)); pInfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); pInfo->bmiHeader.biPlanes = info->bPlanes; pInfo->bmiHeader.biBitCount = info->bBitsPerPixel; GetDIBits(hdc, iconinfo->hbmColor, 0, bmpXor.bmHeight, (char *)(info + 1) + sizeAnd + colortablesize, pInfo, DIB_RGB_COLORS); if(colortablesize) { memcpy((char *)(info + 1) + sizeAnd, (char *)&pInfo->bmiHeader + pInfo->bmiHeader.biSize, colortablesize); } DeleteDC(hdc); free(pInfo); } else { GetBitmapBits( iconinfo->hbmColor,sizeXor,(char*)(info + 1) +sizeAnd); } #ifdef __WIN32OS2__ info->hColorBmp = OSLibWinCreatePointer(info, (char*)(info + 1), (LPBITMAP_W)&bmpAnd, (char*)(info + 1) + sizeAnd, (LPBITMAP_W)&bmpXor, iconinfo->fIcon == FALSE); #endif GlobalUnlock(hObj); #ifdef __WIN32OS2__ HICON hIcon; if(ObjAllocateHandle(&hIcon, (DWORD)hObj, USEROBJ_CURSORICON) == FALSE) { GlobalFree(hObj); dprintf(("ERROR: CreateIconIndirect ObjAllocateHandle failed!!")); return 0; } #endif dprintf(("USER32: CreateIconIndirect %x returned %x", iconinfo, hIcon)); return hIcon; } else { dprintf(("ERROR: CreateIconIndirect GlobalAlloc failed!!")); return 0; } } //****************************************************************************** //****************************************************************************** BOOL WIN32API DestroyIcon( HICON hIcon) { dprintf(("USER32: DestroyIcon %x", hIcon)); return CURSORICON_Destroy( hIcon, 0 ); } //****************************************************************************** //****************************************************************************** HICON WIN32API CopyIcon( HICON hIcon) { dprintf(("USER32: CopyIcon %x", hIcon)); return CURSORICON_Copy( hIcon ); } //****************************************************************************** //****************************************************************************** HICON WIN32API GetOS2Icon(HICON hIcon) { CURSORICONINFO *ciconinfo; hIcon = ObjGetHandleData(hIcon, USEROBJ_CURSORICON); if(hIcon == -1) { dprintf(("ERROR: Invalid cursor/icon!")); return 0; } ciconinfo = (CURSORICONINFO *)GlobalLock((HGLOBAL)hIcon); if (!ciconinfo) return 0; HICON hOS2Icon = ciconinfo->hColorBmp; GlobalUnlock(hIcon); return hOS2Icon; } /********************************************************************** * GetIconInfo (USER32.242) */ BOOL WINAPI GetIconInfo(HICON hIcon, ICONINFO *iconinfo) { CURSORICONINFO *ciconinfo; dprintf(("GetIconInfo %x %x", hIcon, iconinfo)); #ifdef __WIN32OS2__ hIcon = ObjGetHandleData(hIcon, USEROBJ_CURSORICON); if(hIcon == -1) { dprintf(("ERROR: Invalid cursor/icon!")); return 0; } #endif ciconinfo = (CURSORICONINFO *)GlobalLock((HGLOBAL)hIcon); if (!ciconinfo) return FALSE; if((ciconinfo->ptHotSpot.x == ICON_HOTSPOT) && (ciconinfo->ptHotSpot.y == ICON_HOTSPOT)) { iconinfo->fIcon = TRUE; iconinfo->xHotspot = ciconinfo->nWidth / 2; iconinfo->yHotspot = ciconinfo->nHeight / 2; } else { iconinfo->fIcon = FALSE; iconinfo->xHotspot = ciconinfo->ptHotSpot.x; iconinfo->yHotspot = ciconinfo->ptHotSpot.y; } //Create new bitmaps for the color and mask data; application is responsible //for deleteing them (according to docs & verified in NT4) if(ciconinfo->bBitsPerPixel > 1) { BITMAPINFO* pInfo; int colorsize = 0; int coloroff; HDC hdc = CreateCompatibleDC(0); if(ciconinfo->bBitsPerPixel <= 8) { colorsize = (1<bBitsPerPixel)*sizeof(RGBQUAD); } else { colorsize = 3*sizeof(DWORD); //color masks } pInfo = (BITMAPINFO *)malloc(ciconinfo->nHeight * ciconinfo->nWidthBytes + colorsize + sizeof(BITMAPINFO)); memset(pInfo, 0, sizeof(BITMAPINFO)+colorsize); pInfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); pInfo->bmiHeader.biWidth = ciconinfo->nWidth; pInfo->bmiHeader.biHeight = ciconinfo->nHeight, pInfo->bmiHeader.biPlanes = ciconinfo->bPlanes; pInfo->bmiHeader.biBitCount = ciconinfo->bBitsPerPixel; pInfo->bmiHeader.biSizeImage= ciconinfo->nHeight * ciconinfo->nWidthBytes; //offset in cursorinfo memory coloroff = ciconinfo->nHeight * BITMAP_GetWidthBytes (ciconinfo->nWidth, 1); char *src = (char *)(ciconinfo + 1) + coloroff; if(ciconinfo->bBitsPerPixel <= 8) { src += colorsize; //no color masks in cursorinfo data for bpp > 8 } if(ciconinfo->bBitsPerPixel <= 8) { memcpy(&pInfo->bmiColors[0], (char *)(ciconinfo + 1) + coloroff, colorsize); } //else TODO: color masks (currently unused in CreateDIBitmap) iconinfo->hbmColor = CreateDIBitmap(hdc, &pInfo->bmiHeader, CBM_INIT, src, pInfo, DIB_RGB_COLORS); free(pInfo); DeleteDC(hdc); } else { iconinfo->hbmColor = CreateBitmap ( ciconinfo->nWidth, ciconinfo->nHeight, ciconinfo->bPlanes, ciconinfo->bBitsPerPixel, (char *)(ciconinfo + 1) + ciconinfo->nHeight * BITMAP_GetWidthBytes (ciconinfo->nWidth, 1) ); } iconinfo->hbmMask = CreateBitmap ( ciconinfo->nWidth, ciconinfo->nHeight, 1, 1, (char *)(ciconinfo + 1)); GlobalUnlock(hIcon); return TRUE; } //****************************************************************************** //****************************************************************************** HCURSOR WIN32API CreateCursor(HINSTANCE hInst, int xHotSpot, int yHotSpot, int nWidth, int nHeight, const VOID *lpANDbits, const VOID *lpXORbits) { CURSORICONINFO info; dprintf(("CreateCursor %dx%d spot=%d,%d xor=%p and=%p\n", nWidth, nHeight, xHotSpot, yHotSpot, lpXORbits, lpANDbits)); info.ptHotSpot.x = xHotSpot; info.ptHotSpot.y = yHotSpot; info.nWidth = nWidth; info.nHeight = nHeight; info.nWidthBytes = 0; info.bPlanes = 1; info.bBitsPerPixel = 1; info.hInstance = hInst; info.dwResGroupId = -1; info.hColorBmp = 0; return CreateCursorIconIndirect( 0, &info, lpANDbits, lpXORbits, FALSE); } //****************************************************************************** //****************************************************************************** BOOL WIN32API DestroyCursor( HCURSOR hCursor) { dprintf(("USER32: DestroyCursor %x", hCursor)); return CURSORICON_Destroy( hCursor, CID_WIN32 ); } //****************************************************************************** //****************************************************************************** HCURSOR WIN32API GetCursor(void) { dprintf2(("USER32: GetCursor")); if(hActiveCursorPM && hActiveCursorPM != OSLibWinQueryPointer()) { dprintf(("Another app changed mouse cursor")); hActiveCursorPM = hActiveCursor = 0; } return hActiveCursor; } //****************************************************************************** //****************************************************************************** HCURSOR WIN32API SetCursor( HCURSOR hCursor) { HCURSOR hOldCursor; dprintf(("USER32: SetCursor %x (prev %x)", hCursor, hActiveCursor)); GetCursor(); if (hCursor == hActiveCursor) return hActiveCursor; /* No change */ hOldCursor = hActiveCursor; hActiveCursor = hCursor; #ifdef __WIN32OS2__ hCursor = ObjGetHandleData(hCursor, USEROBJ_CURSORICON); if(hCursor == -1) { dprintf(("ERROR: Invalid cursor/icon!")); return 0; } #endif CURSORICONINFO *iconinfo = (CURSORICONINFO *)GlobalLock((HGLOBAL)hCursor); if (!iconinfo) { dprintf(("ERROR: Invalid cursor!")); return 0; } if(!iconinfo->hColorBmp) { dprintf(("SetCursor: invalid os/2 pointer handle!!")); } dprintf2(("OSLibWinSetPointer %x", iconinfo->hColorBmp)); if(OSLibWinSetPointer(iconinfo->hColorBmp) == FALSE) { dprintf(("OSLibWinSetPointer %x returned FALSE!!", iconinfo->hColorBmp)); } hActiveCursorPM = iconinfo->hColorBmp; GlobalUnlock(hCursor); return hOldCursor; } /***************************************************************************** * Name : BOOL WIN32API SetSystemCursor * Purpose : The SetSystemCursor function replaces the contents of the system * cursor specified by dwCursorId with the contents of the cursor * specified by hCursor, and then destroys hCursor. This function * lets an application customize the system cursors. * Parameters: HCURSOR hCursor set specified system cursor to this cursor's * contents, then destroy this * DWORD dwCursorID system cursor specified by its identifier * Variables : * Result : If the function succeeds, the return value is TRUE. * If the function fails, the return value is FALSE. To get extended * error information, call GetLastError. * Remark : * Status : UNTESTED STUB * * Author : Patrick Haller [Thu, 1998/02/26 11:55] *****************************************************************************/ BOOL WIN32API SetSystemCursor(HCURSOR hCursor, DWORD dwCursorId) { dprintf(("USER32:SetSystemCursor (%08xh,%08x) not supported.\n", hCursor, dwCursorId)); return DestroyCursor(hCursor); } //****************************************************************************** //****************************************************************************** INT OPEN32API __ShowCursor(BOOL bShow); inline INT _ShowCursor (BOOL bShow) { INT yyrc; USHORT sel = RestoreOS2FS(); yyrc = __ShowCursor(bShow); SetFS(sel); return yyrc; } //****************************************************************************** static int cursorshowcnt = 0; //****************************************************************************** void RestoreCursor() { dprintf2(("USER32: RestoreCursor %d", cursorshowcnt)); while(cursorshowcnt != 0) { if(cursorshowcnt > 0 ) { ShowCursor(FALSE); } else { ShowCursor(TRUE); } } } //****************************************************************************** //****************************************************************************** int WIN32API ShowCursor(BOOL bShow) { dprintf2(("USER32: ShowCursor %d", bShow)); cursorshowcnt = cursorshowcnt + ((bShow) ? 1 : -1); return _ShowCursor(bShow); } /*********************************************************************** * CreateCursorIconIndirect */ static HGLOBAL CreateCursorIconIndirect( HINSTANCE hInstance, CURSORICONINFO *info, LPCVOID lpANDbits, LPCVOID lpXORbits, BOOL fIcon) { HGLOBAL handle; char *ptr; int sizeAnd, sizeXor; #ifdef __WIN32OS2__ BITMAP bmpXor, bmpAnd; #endif if (!lpXORbits || !lpANDbits || info->bPlanes != 1) return 0; info->nWidthBytes = BITMAP_GetWidthBytes(info->nWidth,info->bBitsPerPixel); sizeXor = info->nHeight * info->nWidthBytes; sizeAnd = info->nHeight * BITMAP_GetWidthBytes( info->nWidth, 1 ); if (!(handle = GlobalAlloc( GMEM_MOVEABLE, sizeof(CURSORICONINFO) + sizeXor + sizeAnd))) return 0; ptr = (char *)GlobalLock( handle ); memcpy( ptr, info, sizeof(*info) ); memcpy( ptr + sizeof(CURSORICONINFO), lpANDbits, sizeAnd ); memcpy( ptr + sizeof(CURSORICONINFO) + sizeAnd, lpXORbits, sizeXor ); #ifdef __WIN32OS2__ bmpAnd.bmType = 0; bmpAnd.bmWidth = info->nWidth; bmpAnd.bmHeight = info->nHeight; bmpAnd.bmWidthBytes = BITMAP_GetWidthBytes(info->nWidth, 1); bmpAnd.bmPlanes = info->bPlanes; bmpAnd.bmBitsPixel = 1; bmpAnd.bmBits = NULL; bmpXor.bmType = 0; bmpXor.bmWidth = info->nWidth; bmpXor.bmHeight = info->nHeight; bmpXor.bmWidthBytes = info->nWidthBytes; bmpXor.bmPlanes = info->bPlanes; bmpXor.bmBitsPixel = info->bBitsPerPixel; bmpXor.bmBits = NULL; ((CURSORICONINFO *)ptr)->hColorBmp = OSLibWinCreatePointer(info, (char *)lpANDbits, (LPBITMAP_W)&bmpAnd, (char *)lpXORbits, (LPBITMAP_W)&bmpXor, fIcon == FALSE); #endif GlobalUnlock( handle ); #ifdef __WIN32OS2__ HICON hIcon; if(ObjAllocateHandle(&hIcon, (DWORD)handle, USEROBJ_CURSORICON) == FALSE) { GlobalFree(handle); dprintf(("ERROR: CreateCursorIconIndirect ObjAllocateHandle failed!!")); return 0; } dprintf(("USER32: CreateCursorIconIndirect returned %x", hIcon)); return hIcon; #else return handle; #endif } /********************************************************************** * CURSORICON_Load * * Load a cursor or icon from resource or file. */ HGLOBAL CURSORICON_Load( HINSTANCE hInstance, LPCWSTR name, INT width, INT height, INT colors, BOOL fCursor, UINT loadflags ) { HANDLE handle = 0, h = 0; HANDLE hRsrc; CURSORICONDIR *dir; CURSORICONDIRENTRY *dirEntry; LPBYTE bits; #ifdef __WIN32OS2__ //TODO: Can system cursors be loaded by name??? (#xxx) if (fCursor && hInstance == NULL && !HIWORD(name)) { HCURSOR hCursor = OSLibWinQuerySysPointer((ULONG)name, width, height); if(hCursor) { /* If shared icon, check whether it was already loaded */ if ((loadflags & LR_SHARED) && (h = CURSORICON_FindSharedIcon( -1, hCursor ) ) != 0 ) { dprintf(("Found icon/cursor in cache; returned old handle %x", h)); return h; } HANDLE hObj = GlobalAlloc( GMEM_MOVEABLE, sizeof(CURSORICONINFO)); if (!hObj) { DebugInt3(); return 0; } CURSORICONINFO *info; info = (CURSORICONINFO *)GlobalLock( hObj ); info->ptHotSpot.x = 0; info->ptHotSpot.y = 0; info->nWidth = width; info->nHeight = height; info->nWidthBytes = width*height/8; info->bPlanes = 1; info->bBitsPerPixel = 1; info->hColorBmp = hCursor; info->hInstance = -1; info->dwResGroupId = -1; HICON hIcon; if(ObjAllocateHandle(&hIcon, (DWORD)hObj, USEROBJ_CURSORICON) == FALSE) { GlobalUnlock( hObj ); GlobalFree(hObj); dprintf(("ERROR: CURSORICON_Load ObjAllocateHandle failed!!")); return 0; } if (loadflags & LR_SHARED ) CURSORICON_AddSharedIcon( -1, hCursor, -1, hIcon ); GlobalUnlock( hObj ); return hIcon; } } #endif if ( loadflags & LR_LOADFROMFILE ) /* Load from file */ { LPBYTE *ptr; if (!CURSORICON_SimulateLoadingFromResourceW((LPWSTR)name, fCursor, &dir, &ptr)) return 0; if (fCursor) dirEntry = (CURSORICONDIRENTRY *)CURSORICON_FindBestCursor(dir, width, height, 1); else dirEntry = (CURSORICONDIRENTRY *)CURSORICON_FindBestIcon(dir, width, height, colors); bits = ptr[dirEntry->wResId-1]; h = CURSORICON_CreateFromResource( 0, -1, 0, bits, dirEntry->dwBytesInRes, !fCursor, 0x00030000, width, height, loadflags); HeapFree( GetProcessHeap(), 0, dir ); HeapFree( GetProcessHeap(), 0, ptr ); } else /* Load from resource */ { HANDLE hGroupRsrc; WORD wResId; DWORD dwBytesInRes; BOOL bIsGroup = TRUE; /* Get directory resource ID */ if (!hInstance) { hRsrc = FindResourceW(hInstanceUser32, name, fCursor ? RT_CURSORW : RT_ICONW); if(!hRsrc) { hRsrc = FindResourceW(hInstanceUser32, name, fCursor ? RT_GROUP_CURSORW : RT_GROUP_ICONW); } else bIsGroup = FALSE; if(!hRsrc) return 0; hInstance = hInstanceUser32; } else { hRsrc = FindResourceW(hInstance, name, fCursor ? RT_GROUP_CURSORW : RT_GROUP_ICONW); if(!hRsrc) return 0; } hGroupRsrc = hRsrc; if(bIsGroup) { /* Find the best entry in the directory */ if (!(handle = LoadResource( hInstance, hRsrc ))) return 0; if (!(dir = (CURSORICONDIR*)LockResource( handle ))) return 0; if (fCursor) dirEntry = (CURSORICONDIRENTRY *)CURSORICON_FindBestCursor( dir, width, height, 1); else dirEntry = (CURSORICONDIRENTRY *)CURSORICON_FindBestIcon( dir, width, height, colors ); if (!dirEntry) return 0; wResId = dirEntry->wResId; dwBytesInRes = dirEntry->dwBytesInRes; FreeResource( handle ); /* Load the resource */ if (!(hRsrc = FindResourceW(hInstance,MAKEINTRESOURCEW(wResId), fCursor ? RT_CURSORW : RT_ICONW ))) return 0; } /* If shared icon, check whether it was already loaded */ if ((loadflags & LR_SHARED) && (h = CURSORICON_FindSharedIcon( hInstance, hRsrc ) ) != 0 ) { dprintf(("Found icon/cursor in cache; returned old handle %x", h)); return h; } if (!(handle = LoadResource( hInstance, hRsrc ))) return 0; bits = (LPBYTE)LockResource( handle ); h = CURSORICON_CreateFromResource( hInstance, (DWORD)name, 0, bits, dwBytesInRes, !fCursor, 0x00030000, width, height, loadflags); FreeResource( handle ); /* If shared icon, add to icon cache */ if ( h && (loadflags & LR_SHARED) ) CURSORICON_AddSharedIcon( hInstance, hRsrc, hGroupRsrc, h ); } return h; } /********************************************************************* * The main purpose of this function is to create fake resource directory * and fake resource entries. There are several reasons for this: * - CURSORICONDIR and CURSORICONFILEDIR differ in sizes and their * fields * There are some "bad" cursor files which do not have * bColorCount initialized but instead one must read this info * directly from corresponding DIB sections * Note: wResId is index to array of pointer returned in ptrs (origin is 1) */ BOOL CURSORICON_SimulateLoadingFromResourceW( LPWSTR filename, BOOL fCursor, CURSORICONDIR **res, LPBYTE **ptr) { LPBYTE _free; CURSORICONFILEDIR *bits; int entries, size, i; HANDLE hMapping = 0; *res = NULL; *ptr = NULL; hMapping = VIRTUAL_MapFileW( filename, (LPVOID *)&bits, TRUE); if(hMapping == INVALID_HANDLE_VALUE) return FALSE; /* FIXME: test for inimated icons * hack to load the first icon from the *.ani file */ if ( *(LPDWORD)bits==0x46464952 ) /* "RIFF" */ { LPBYTE pos = (LPBYTE) bits; dprintf(("Animated icons not correctly implemented! %p \n", bits)); for (;;) { if (*(LPDWORD)pos==0x6e6f6369) /* "icon" */ { dprintf(("icon entry found! %p\n", bits)); pos+=4; if ( !*(LPWORD) pos==0x2fe) /* iconsize */ { goto fail; } bits=(CURSORICONFILEDIR*)(pos+4); dprintf(("icon size ok. offset=%p \n", bits)); break; } pos+=2; if (pos>=(LPBYTE)bits+766) goto fail; } } if (!(entries = bits->idCount)) goto fail; size = sizeof(CURSORICONDIR) + sizeof(CURSORICONDIRENTRY) * (entries - 1); _free = (LPBYTE) size; for (i=0; i < entries; i++) size += bits->idEntries[i].dwDIBSize + (fCursor ? sizeof(POINT16): 0); if (!(*ptr = (LPBYTE *)HeapAlloc( GetProcessHeap(), 0, entries * sizeof (CURSORICONDIRENTRY*)))) goto fail; if (!(*res = (CURSORICONDIR *)HeapAlloc( GetProcessHeap(), 0, size))) goto fail; _free = (LPBYTE)(*res) + (int)_free; memcpy((*res), bits, 6); for (i=0; iidEntries[i].ResInfo.cursor.wWidth=bits->idEntries[i].bWidth; (*res)->idEntries[i].ResInfo.cursor.wHeight=bits->idEntries[i].bHeight; ((LPPOINT16)_free)->x=bits->idEntries[i].xHotspot; ((LPPOINT16)_free)->y=bits->idEntries[i].yHotspot; _free+=sizeof(POINT16); } else { (*res)->idEntries[i].ResInfo.icon.bWidth=bits->idEntries[i].bWidth; (*res)->idEntries[i].ResInfo.icon.bHeight=bits->idEntries[i].bHeight; (*res)->idEntries[i].ResInfo.icon.bColorCount = bits->idEntries[i].bColorCount; } (*res)->idEntries[i].wPlanes=1; (*res)->idEntries[i].wBitCount = ((LPBITMAPINFOHEADER)((LPBYTE)bits + bits->idEntries[i].dwDIBOffset))->biBitCount; (*res)->idEntries[i].dwBytesInRes = bits->idEntries[i].dwDIBSize; (*res)->idEntries[i].wResId=i+1; memcpy(_free,(LPBYTE)bits +bits->idEntries[i].dwDIBOffset, (*res)->idEntries[i].dwBytesInRes); _free += (*res)->idEntries[i].dwBytesInRes; } UnmapViewOfFile( bits ); CloseHandle(hMapping); return TRUE; fail: if (*res) HeapFree( GetProcessHeap(), 0, *res ); if (*ptr) HeapFree( GetProcessHeap(), 0, *ptr ); UnmapViewOfFile( bits ); CloseHandle(hMapping); return FALSE; } /********************************************************************** * CURSORICON_CreateFromResource * * Create a cursor or icon from in-memory resource template. * * FIXME: Convert to mono when cFlag is LR_MONOCHROME. Do something * with cbSize parameter as well. */ static HGLOBAL CURSORICON_CreateFromResource( HINSTANCE hInstance, DWORD dwResGroupId, HGLOBAL hObj, LPBYTE bits, UINT cbSize, BOOL bIcon, DWORD dwVersion, INT width, INT height, UINT loadflags ) { int sizeAnd, sizeXor; HBITMAP hAndBits = 0, hXorBits = 0; /* error condition for later */ BITMAP bmpXor, bmpAnd; POINT16 hotspot; BITMAPINFO *bmi; HDC hdc = 0; BOOL DoStretch; INT size, colortablesize, bwsize, colorsize; hotspot.x = ICON_HOTSPOT; hotspot.y = ICON_HOTSPOT; dprintf2(("CURSORICON_CreateFromResource %x %x %x %x %d", hInstance, dwResGroupId, hObj, bits, cbSize)); if (dwVersion == 0x00020000) { dprintf(("CURSORICON_CreateFromResource 2.xx resources are not supported")); return 0; } if (bIcon) { bmi = (BITMAPINFO *)bits; } else /* get the hotspot */ { POINT16 *pt = (POINT16 *)bits; hotspot = *pt; bmi = (BITMAPINFO *)(pt + 1); } size = DIB_BitmapInfoSize(bmi, DIB_RGB_COLORS); if (!width) width = bmi->bmiHeader.biWidth; if (!height) height = bmi->bmiHeader.biHeight/2; DoStretch = (bmi->bmiHeader.biHeight/2 != height) || (bmi->bmiHeader.biWidth != width); colorsize = DIB_GetDIBImageBytes(bmi->bmiHeader.biWidth, bmi->bmiHeader.biHeight/2, bmi->bmiHeader.biBitCount); bwsize = (bmi->bmiHeader.biWidth * bmi->bmiHeader.biHeight/2)/8; /* Check bitmap header */ if((bmi->bmiHeader.biSize != sizeof(BITMAPCOREHEADER)) && (bmi->bmiHeader.biSize != sizeof(BITMAPINFOHEADER) || bmi->bmiHeader.biCompression != BI_RGB) ) { return 0; } #ifdef __WIN32OS2__ if( (hdc = CreateCompatibleDC( 0 )) ) #else if( (hdc = GetDC( 0 )) ) #endif { BITMAPINFO* pInfo; /* Make sure we have room for the monochrome bitmap later on. * Note that BITMAPINFOINFO and BITMAPCOREHEADER are the same * up to and including the biBitCount. In-memory icon resource * format is as follows: * * BITMAPINFOHEADER icHeader // DIB header * RGBQUAD icColors[] // Color table * BYTE icXOR[] // DIB bits for XOR mask * BYTE icAND[] // DIB bits for AND mask */ if ((pInfo = (BITMAPINFO *)HeapAlloc( GetProcessHeap(), 0, max(size, sizeof(BITMAPINFOHEADER) + 2*sizeof(RGBQUAD))))) { memcpy( pInfo, bmi, size ); pInfo->bmiHeader.biHeight /= 2; /* Create the XOR bitmap */ if (DoStretch) { if(bIcon) { hXorBits = CreateCompatibleBitmap(hdc, width, height); } else { hXorBits = CreateBitmap(width, height, 1, 1, NULL); } if(hXorBits) { HBITMAP hOld; HDC hMem = CreateCompatibleDC(hdc); BOOL res; if (hMem) { hOld = SelectObject(hMem, hXorBits); res = StretchDIBits(hMem, 0, 0, width, height, 0, 0, bmi->bmiHeader.biWidth, bmi->bmiHeader.biHeight/2, (char*)bmi + size, pInfo, DIB_RGB_COLORS, SRCCOPY); SelectObject(hMem, hOld); DeleteDC(hMem); } else res = FALSE; if (!res) { DeleteObject(hXorBits); hXorBits = 0; } } } else { hXorBits = CreateDIBitmap(hdc, &pInfo->bmiHeader, CBM_INIT, (char*)bmi + size, pInfo, DIB_RGB_COLORS ); } if( hXorBits ) { char* xbits = (char *)bmi + size + DIB_GetDIBImageBytes(bmi->bmiHeader.biWidth, bmi->bmiHeader.biHeight, bmi->bmiHeader.biBitCount) / 2; pInfo->bmiHeader.biBitCount = 1; if (pInfo->bmiHeader.biSize == sizeof(BITMAPINFOHEADER)) { RGBQUAD *rgb = pInfo->bmiColors; pInfo->bmiHeader.biClrUsed = pInfo->bmiHeader.biClrImportant = 2; rgb[0].rgbBlue = rgb[0].rgbGreen = rgb[0].rgbRed = 0x00; rgb[1].rgbBlue = rgb[1].rgbGreen = rgb[1].rgbRed = 0xff; rgb[0].rgbReserved = rgb[1].rgbReserved = 0; } else { RGBTRIPLE *rgb = (RGBTRIPLE *)(((BITMAPCOREHEADER *)pInfo) + 1); rgb[0].rgbtBlue = rgb[0].rgbtGreen = rgb[0].rgbtRed = 0x00; rgb[1].rgbtBlue = rgb[1].rgbtGreen = rgb[1].rgbtRed = 0xff; } /* Create the AND bitmap */ if (DoStretch) { if ((hAndBits = CreateBitmap(width, height, 1, 1, NULL))) { HBITMAP hOld; HDC hMem = CreateCompatibleDC(hdc); BOOL res; if (hMem) { hOld = SelectObject(hMem, hAndBits); //SvL: This also doesn't work as StretchDIBits doesn't handle 1bpp bitmaps correctly //--------->>> hack alert! #if 1 HBITMAP hBmp, hOld1; HDC hMem1; hMem1 = CreateCompatibleDC(hdc); int linewidth = BITMAP_GetWidthBytes(pInfo->bmiHeader.biWidth, 1); char *newpix = (char *)malloc(linewidth*pInfo->bmiHeader.biHeight); newpix += ((pInfo->bmiHeader.biHeight-1)*linewidth); if(cbSize - size - colorsize - bwsize == bwsize) {//this means an AND and XOR mask is present (interleaved; and/xor) for(int i=0;ibmiHeader.biHeight;i++) { memcpy(newpix, xbits, linewidth); newpix -= linewidth; xbits += linewidth*2; } } else { for(int i=0;ibmiHeader.biHeight;i++) { memcpy(newpix, xbits, linewidth); newpix -= linewidth; xbits += linewidth; } } newpix += linewidth; hBmp = CreateBitmap(pInfo->bmiHeader.biWidth, pInfo->bmiHeader.biHeight, 1, 1, newpix); free(newpix); hOld1 = SelectObject(hMem1, hBmp); res = StretchBlt(hMem, 0, 0, width, height, hMem1, 0, 0, pInfo->bmiHeader.biWidth, pInfo->bmiHeader.biHeight, SRCCOPY); SelectObject(hMem1, hOld1); DeleteObject(hBmp); DeleteDC(hMem1); #else res = StretchDIBits(hMem, 0, 0, width, height, 0, 0, pInfo->bmiHeader.biWidth, pInfo->bmiHeader.biHeight, xbits, pInfo, DIB_RGB_COLORS, SRCCOPY); #endif SelectObject(hMem, hOld); DeleteDC(hMem); } else res = FALSE; if (!res) { DeleteObject(hAndBits); hAndBits = 0; } } } else { //SvL: Must use CreateBitmap here as CreateDIBitmap converts data to 8bpp (GetObjectA info -> 8 bpp) #if 1 int linewidth = BITMAP_GetWidthBytes(width, 1); char *newpix = (char *)malloc(linewidth*height); newpix += ((height-1)*linewidth); if(cbSize - size - colorsize - bwsize == bwsize) {//this means an AND and XOR mask is present (interleaved; and/xor) for(int i=0;ibmiHeader, CBM_INIT, xbits, pInfo, DIB_RGB_COLORS ); #endif } if( !hAndBits ) DeleteObject( hXorBits ); } HeapFree( GetProcessHeap(), 0, pInfo ); } #ifdef __WIN32OS2__ DeleteDC(hdc ); #else ReleaseDC( 0, hdc ); #endif } if( !hXorBits || !hAndBits ) { dprintf(("\tunable to create an icon bitmap.")); return 0; } /* Now create the CURSORICONINFO structure */ GetObjectA( hXorBits, sizeof(bmpXor), &bmpXor ); GetObjectA( hAndBits, sizeof(bmpAnd), &bmpAnd ); colortablesize = 0; if(bmpXor.bmBitsPixel <= 8) { colortablesize = sizeof(RGBQUAD)*(1<ptHotSpot.x = hotspot.x; info->ptHotSpot.y = hotspot.y; info->nWidth = bmpXor.bmWidth; info->nHeight = bmpXor.bmHeight; info->nWidthBytes = bmpXor.bmWidthBytes; info->bPlanes = bmpXor.bmPlanes; info->bBitsPerPixel = bmpXor.bmBitsPixel; info->hInstance = hInstance; info->dwResGroupId = dwResGroupId; info->hColorBmp = 0; /* Transfer the bitmap bits to the CURSORICONINFO structure */ GetBitmapBits( hAndBits, sizeAnd, (char *)(info + 1)); if(bmpXor.bmBitsPixel > 1) { BITMAPINFO* pInfo = (BITMAPINFO *)malloc(sizeof(BITMAPINFO)+colortablesize+3*sizeof(DWORD)); //+ extra space for > 8bpp images HBITMAP oldbmp; hdc = CreateCompatibleDC(0); memset(pInfo, 0, sizeof(BITMAPINFO)+colortablesize+3*sizeof(DWORD)); pInfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); pInfo->bmiHeader.biPlanes = info->bPlanes; pInfo->bmiHeader.biBitCount = info->bBitsPerPixel; GetDIBits(hdc, hXorBits, 0, bmpXor.bmHeight, (char *)(info + 1) + sizeAnd + colortablesize, pInfo, DIB_RGB_COLORS); if(colortablesize) { memcpy((char *)(info + 1) + sizeAnd, (char *)&pInfo->bmiHeader + pInfo->bmiHeader.biSize, colortablesize); } DeleteDC(hdc); free(pInfo); } else { GetBitmapBits( hXorBits, sizeXor, (char *)(info + 1) + sizeAnd); } info->hColorBmp = OSLibWinCreatePointer(info, (char*)(info + 1), (LPBITMAP_W)&bmpAnd, (char*)(info + 1) + sizeAnd, (LPBITMAP_W)&bmpXor, bIcon == FALSE); dprintf(("Create cursor/icon %x with OS/2 pointer handle %x", hObj, info->hColorBmp)); GlobalUnlock( hObj ); } DeleteObject( hAndBits ); DeleteObject( hXorBits ); #ifdef __WIN32OS2__ if(hObj) { HICON hIcon; if(ObjAllocateHandle(&hIcon, (DWORD)hObj, USEROBJ_CURSORICON) == FALSE) { GlobalFree(hObj); dprintf(("ERROR: CURSORICON_Load ObjAllocateHandle failed!!")); return 0; } return hIcon; } #endif return hObj; } /********************************************************************** * CURSORICON_Destroy (USER.610) * * This routine is actually exported from Win95 USER under the name * DestroyIcon32 ... The behaviour implemented here should mimic * the Win95 one exactly, especially the return values, which * depend on the setting of various flags. */ WORD WIN32API CURSORICON_Destroy( HGLOBAL handle, UINT flags ) { WORD retv; /* Check whether destroying active cursor */ if ( hActiveCursor == handle ) { dprintf(("WARNING: Destroying active cursor!" )); SetCursor( 0 ); } #ifdef __WIN32OS2__ HICON hIcon = ObjGetHandleData(handle, USEROBJ_CURSORICON); if(hIcon == -1) { dprintf(("ERROR: Invalid cursor/icon!")); return 0; } #endif /* Try shared cursor/icon first */ if ( !(flags & CID_NONSHARED) ) { INT count = CURSORICON_DelSharedIcon( handle ); if ( count != -1 ) return (flags & CID_WIN32)? TRUE : (count == 0); /* FIXME: OEM cursors/icons should be recognized */ } /* Now assume non-shared cursor/icon */ #ifdef __WIN32OS2__ CURSORICONINFO *iconinfo = (CURSORICONINFO *)GlobalLock((HGLOBAL)hIcon); if (!iconinfo) { dprintf(("ERROR: Invalid cursor!")); return 0; } if(iconinfo->hColorBmp) { OSLibWinDestroyPointer(iconinfo->hColorBmp); } GlobalUnlock(hIcon); retv = GlobalFree( hIcon ); ObjFreeHandle(handle); return (flags & CID_RESOURCE)? retv : TRUE; #else retv = GlobalFree( handle ); return (flags & CID_RESOURCE)? retv : TRUE; #endif } /*********************************************************************** * CURSORICON_Copy * * Make a copy of a cursor or icon. */ static HGLOBAL CURSORICON_Copy(HGLOBAL handle) { char *ptrOld, *ptrNew; int size; HGLOBAL hNew; handle = ObjGetHandleData(handle, USEROBJ_CURSORICON); if(handle == -1) { dprintf(("ERROR: Invalid cursor/icon!")); return 0; } if (!(ptrOld = (char *)GlobalLock( handle ))) return 0; size = GlobalSize( handle ); hNew = GlobalAlloc( GMEM_MOVEABLE, size ); #ifdef __WIN32OS2__ if(hNew == NULL) { dprintf(("ERROR: CURSORICON_Copy GlobalAlloc failed!!")); return NULL; } #endif ptrNew = (char *)GlobalLock( hNew ); memcpy( ptrNew, ptrOld, size ); GlobalUnlock( handle ); GlobalUnlock( hNew ); #ifdef __WIN32OS2__ HICON hIcon; if(ObjAllocateHandle(&hIcon, (DWORD)hNew, USEROBJ_CURSORICON) == FALSE) { GlobalFree(hNew); dprintf(("ERROR: CURSORICON_Copy ObjAllocateHandle failed!!")); return 0; } return hIcon; #else return hNew; #endif } /************************************************************************* * CURSORICON_ExtCopy * * Copies an Image from the Cache if LR_COPYFROMRESOURCE is specified * * PARAMS * Handle [I] handle to an Image * nType [I] Type of Handle (IMAGE_CURSOR | IMAGE_ICON) * iDesiredCX [I] The Desired width of the Image * iDesiredCY [I] The desired height of the Image * nFlags [I] The flags from CopyImage * * RETURNS * Success: The new handle of the Image * * NOTES * LR_COPYDELETEORG and LR_MONOCHROME are currently not implemented. * LR_MONOCHROME should be implemented by CURSORICON_CreateFromResource. * LR_COPYFROMRESOURCE will only work if the Image is in the Cache. * * */ HGLOBAL CURSORICON_ExtCopy(HGLOBAL Handle, UINT nType, INT iDesiredCX, INT iDesiredCY, UINT nFlags) { HGLOBAL hNew=0; #ifdef __WIN32OS2__ HICON hIcon = ObjGetHandleData(Handle, USEROBJ_CURSORICON); if(hIcon == -1) { dprintf(("ERROR: Invalid cursor/icon!")); return 0; } #else if(Handle == 0) { return 0; } #endif /* Best Fit or Monochrome */ if( (nFlags & LR_COPYFROMRESOURCE && (iDesiredCX > 0 || iDesiredCY > 0)) || nFlags & LR_MONOCHROME) { #ifdef __WIN32OS2__ ICONCACHE* pIconCache = CURSORICON_FindCache(hIcon); #else ICONCACHE* pIconCache = CURSORICON_FindCache(Handle); #endif /* Not Found in Cache, then do a straight copy */ if(pIconCache == NULL) { #ifdef __WIN32OS2__ hNew = CURSORICON_Copy(Handle); #else hNew = CURSORICON_Copy(0, Handle); #endif if(nFlags & LR_COPYFROMRESOURCE) { dprintf(("WARNING: LR_COPYFROMRESOURCE: Failed to load from cache\n")); } } else { int iTargetCY = iDesiredCY, iTargetCX = iDesiredCX; LPBYTE pBits; HANDLE hMem; HRSRC hRsrc; DWORD dwBytesInRes; WORD wResId; DWORD dwResGroupId; HINSTANCE hInstance; CURSORICONINFO *iconinfo; CURSORICONDIR *pDir; CURSORICONDIRENTRY *pDirEntry; BOOL bIsIcon = (nType == IMAGE_ICON); #ifdef __WIN32OS2__ iconinfo = (CURSORICONINFO *)GlobalLock( hIcon ); #else iconinfo = (CURSORICONINFO *)GlobalLock( Handle ); #endif if(iconinfo == NULL) { dprintf(("ERROR: CURSORICON_ExtCopy invalid icon!")); } hInstance = iconinfo->hInstance; dwResGroupId = iconinfo->dwResGroupId; GlobalUnlock( Handle ); if(dwResGroupId == -1) { //todo: if scaling is necessary.. dprintf(("WARNING: no resource associated with icon/cursor -> copy without scaling!")); hNew = CURSORICON_Copy(Handle); return hNew; } /* Completing iDesiredCX CY for Monochrome Bitmaps if needed */ if(((nFlags & LR_MONOCHROME) && !(nFlags & LR_COPYFROMRESOURCE)) || (iDesiredCX == 0 && iDesiredCY == 0)) { iDesiredCY = GetSystemMetrics(bIsIcon ? SM_CYICON : SM_CYCURSOR); iDesiredCX = GetSystemMetrics(bIsIcon ? SM_CXICON : SM_CXCURSOR); } /* Retreive the CURSORICONDIRENTRY */ hRsrc = FindResourceW(hInstance, (LPWSTR)dwResGroupId, bIsIcon ? RT_GROUP_ICONW : RT_GROUP_CURSORW); if(!hRsrc) { goto notfound; } if (!(hMem = LoadResource( hInstance, hRsrc))) { goto notfound; } if (!(pDir = (CURSORICONDIR*)LockResource( hMem ))) { goto notfound; } /* Find Best Fit */ if(bIsIcon) { pDirEntry = (CURSORICONDIRENTRY *)CURSORICON_FindBestIcon( pDir, iDesiredCX, iDesiredCY, 256); } else { pDirEntry = (CURSORICONDIRENTRY *)CURSORICON_FindBestCursor( pDir, iDesiredCX, iDesiredCY, 1); } wResId = pDirEntry->wResId; dwBytesInRes = pDirEntry->dwBytesInRes; FreeResource(hMem); /* Get the Best Fit */ if (!(hRsrc = FindResourceW(hInstance , MAKEINTRESOURCEW(wResId), bIsIcon ? RT_ICONW : RT_CURSORW))) { goto notfound; } if (!(hMem = LoadResource( hInstance, hRsrc ))) { goto notfound; } pBits = (LPBYTE)LockResource( hMem ); if(nFlags & LR_DEFAULTSIZE) { iTargetCY = GetSystemMetrics(SM_CYICON); iTargetCX = GetSystemMetrics(SM_CXICON); } /* Create a New Icon with the proper dimension */ hNew = CURSORICON_CreateFromResource( hInstance, dwResGroupId, 0, pBits, dwBytesInRes, bIsIcon, 0x00030000, iTargetCX, iTargetCY, nFlags); FreeResource(hMem); } } else { hNew = CURSORICON_Copy(Handle); } return hNew; notfound: dprintf(("WARNING: unable to find resource associated with icon/cursor -> copy without scaling!")); hNew = CURSORICON_Copy(Handle); return hNew; } /********************************************************************** * CURSORICON_FindBestIcon * * Find the icon closest to the requested size and number of colors. */ static CURSORICONDIRENTRY *CURSORICON_FindBestIcon( CURSORICONDIR *dir, int width, int height, int colors ) { int i; CURSORICONDIRENTRY *entry, *bestEntry = NULL; UINT iTotalDiff, iXDiff=0, iYDiff=0, iColorDiff; UINT iTempXDiff, iTempYDiff, iTempColorDiff; if (dir->idCount < 1) { dprintf(("Empty directory!\n" )); return NULL; } if (dir->idCount == 1) return &dir->idEntries[0]; /* No choice... */ /* Find Best Fit */ iTotalDiff = 0xFFFFFFFF; iColorDiff = 0xFFFFFFFF; for (i = 0, entry = &dir->idEntries[0]; i < dir->idCount; i++,entry++) { iTempXDiff = abs(width - entry->ResInfo.icon.bWidth); iTempYDiff = abs(height - entry->ResInfo.icon.bHeight); if(iTotalDiff > (iTempXDiff + iTempYDiff)) { iXDiff = iTempXDiff; iYDiff = iTempYDiff; iTotalDiff = iXDiff + iYDiff; } } /* Find Best Colors for Best Fit */ for (i = 0, entry = &dir->idEntries[0]; i < dir->idCount; i++,entry++) { if(abs(width - entry->ResInfo.icon.bWidth) == iXDiff && abs(height - entry->ResInfo.icon.bHeight) == iYDiff) { #ifdef __WIN32OS2__ iTempColorDiff = abs(colors - (1 << entry->wBitCount)); #else iTempColorDiff = abs(colors - entry->ResInfo.icon.bColorCount); #endif if(iColorDiff > iTempColorDiff) { bestEntry = entry; iColorDiff = iTempColorDiff; } } } ////testestest dprintf(("CURSORICON_FindBestIcon (%d,%d) %d -> %d", width, height, colors, (bestEntry) ? bestEntry->wResId : 0)); return bestEntry; } /********************************************************************** * CURSORICON_FindBestCursor * * Find the cursor closest to the requested size. * FIXME: parameter 'color' ignored and entries with more than 1 bpp * ignored too */ static CURSORICONDIRENTRY *CURSORICON_FindBestCursor( CURSORICONDIR *dir, int width, int height, int color) { int i, maxwidth, maxheight; CURSORICONDIRENTRY *entry, *bestEntry = NULL; if (dir->idCount < 1) { dprintf(("Empty directory!\n" )); return NULL; } if (dir->idCount == 1) return &dir->idEntries[0]; /* No choice... */ /* Double height to account for AND and XOR masks */ height *= 2; /* First find the largest one smaller than or equal to the requested size*/ maxwidth = maxheight = 0; for(i = 0,entry = &dir->idEntries[0]; i < dir->idCount; i++,entry++) if ((entry->ResInfo.cursor.wWidth <= width) && (entry->ResInfo.cursor.wHeight <= height) && (entry->ResInfo.cursor.wWidth > maxwidth) && (entry->ResInfo.cursor.wHeight > maxheight) && (entry->wBitCount == 1)) { bestEntry = entry; maxwidth = entry->ResInfo.cursor.wWidth; maxheight = entry->ResInfo.cursor.wHeight; } if (bestEntry) return bestEntry; /* Now find the smallest one larger than the requested size */ maxwidth = maxheight = 255; for(i = 0,entry = &dir->idEntries[0]; i < dir->idCount; i++,entry++) if ((entry->ResInfo.cursor.wWidth < maxwidth) && (entry->ResInfo.cursor.wHeight < maxheight) && (entry->wBitCount == 1)) { bestEntry = entry; maxwidth = entry->ResInfo.cursor.wWidth; maxheight = entry->ResInfo.cursor.wHeight; } return bestEntry; } /********************************************************************** * LookupIconIdFromDirectoryEx (USER.364) * * FIXME: exact parameter sizes */ INT WIN32API LookupIconIdFromDirectoryEx(LPBYTE xdir, BOOL bIcon, INT width, INT height, UINT cFlag ) { CURSORICONDIR *dir = (CURSORICONDIR*)xdir; UINT retVal = 0; dprintf(("LookupIconIdFromDirectoryEx %x %d (%d,%d)", xdir, bIcon, width, height)); if( dir && !dir->idReserved && (dir->idType & 3) ) { CURSORICONDIRENTRY* entry; HDC hdc; UINT palEnts; int colors; hdc = GetDC(0); palEnts = GetSystemPaletteEntries(hdc, 0, 0, NULL); if (palEnts == 0) palEnts = 256; colors = (cFlag & LR_MONOCHROME) ? 2 : palEnts; ReleaseDC(0, hdc); if( bIcon ) entry = CURSORICON_FindBestIcon( dir, width, height, colors ); else entry = CURSORICON_FindBestCursor( dir, width, height, 1); if( entry ) retVal = entry->wResId; } else dprintf(("invalid resource directory\n")); return retVal; } /********************************************************************** * LookupIconIdFromDirectory (USER32.379) */ INT WIN32API LookupIconIdFromDirectory( LPBYTE dir, BOOL bIcon ) { return LookupIconIdFromDirectoryEx( dir, bIcon, bIcon ? GetSystemMetrics(SM_CXICON) : GetSystemMetrics(SM_CXCURSOR), bIcon ? GetSystemMetrics(SM_CYICON) : GetSystemMetrics(SM_CYCURSOR), bIcon ? 0 : LR_MONOCHROME ); } //****************************************************************************** //****************************************************************************** //ICON cache implementation (Wine code) /********************************************************************** * CURSORICON_FindSharedIcon */ static HANDLE CURSORICON_FindSharedIcon( HMODULE hModule, HRSRC hRsrc ) { HANDLE handle = 0; ICONCACHE *ptr; EnterCriticalSection( &IconCrst ); for ( ptr = IconAnchor; ptr; ptr = ptr->next ) if ( ptr->hModule == hModule && ptr->hRsrc == hRsrc ) { ptr->count++; handle = ptr->handle; break; } LeaveCriticalSection( &IconCrst ); return handle; } /************************************************************************* * CURSORICON_FindCache * * Given a handle, find the corresponding cache element * * PARAMS * Handle [I] handle to an Image * * RETURNS * Success: The cache entry * Failure: NULL * */ static ICONCACHE* CURSORICON_FindCache(HANDLE handle) { ICONCACHE *ptr; ICONCACHE *pRet=NULL; BOOL IsFound = FALSE; int count; EnterCriticalSection( &IconCrst ); for (count = 0, ptr = IconAnchor; ptr != NULL && !IsFound; ptr = ptr->next, count++ ) { if ( handle == ptr->handle ) { IsFound = TRUE; pRet = ptr; } } LeaveCriticalSection( &IconCrst ); return pRet; } /********************************************************************** * CURSORICON_AddSharedIcon */ static void CURSORICON_AddSharedIcon( HMODULE hModule, HRSRC hRsrc, HRSRC hGroupRsrc, HANDLE handle ) { ICONCACHE *ptr = (ICONCACHE *)HeapAlloc( GetProcessHeap(), 0, sizeof(ICONCACHE) ); if ( !ptr ) return; ptr->hModule = hModule; ptr->hRsrc = hRsrc; ptr->handle = handle; ptr->hGroupRsrc = hGroupRsrc; ptr->count = 1; EnterCriticalSection( &IconCrst ); ptr->next = IconAnchor; IconAnchor = ptr; LeaveCriticalSection( &IconCrst ); } /********************************************************************** * CURSORICON_DelSharedIcon */ static INT CURSORICON_DelSharedIcon( HANDLE handle ) { INT count = -1; ICONCACHE *ptr; EnterCriticalSection( &IconCrst ); for ( ptr = IconAnchor; ptr; ptr = ptr->next ) if ( ptr->handle == handle ) { if ( ptr->count > 0 ) ptr->count--; count = ptr->count; break; } LeaveCriticalSection( &IconCrst ); return count; } /********************************************************************** * CURSORICON_FreeModuleIcons */ void CURSORICON_FreeModuleIcons( HMODULE hModule ) { ICONCACHE **ptr = &IconAnchor; EnterCriticalSection( &IconCrst ); while ( *ptr ) { if ( (*ptr)->hModule == hModule ) { ICONCACHE *freePtr = *ptr; *ptr = freePtr->next; #ifdef __WIN32OS2__ CURSORICON_Destroy(freePtr->handle, CID_NONSHARED); #else GlobalFree( freePtr->handle ); #endif HeapFree( GetProcessHeap(), 0, freePtr ); continue; } ptr = &(*ptr)->next; } LeaveCriticalSection( &IconCrst ); }