/* * Cursor and icon support * * Copyright 1995 Alexandre Julliard * 1996 Martin Von Loewis * 1997 Alex Korobka * 1998 Turchanov Sergey */ /* * 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 ?! */ #include #include #include "wine/winbase16.h" #include "wine/winuser16.h" #include "heap.h" #include "color.h" #include "bitmap.h" #include "cursoricon.h" #include "dc.h" #include "gdi.h" #include "global.h" #include "module.h" #include "debugtools.h" #include "task.h" #include "user.h" #include "input.h" #include "display.h" #include "message.h" #include "winerror.h" DECLARE_DEBUG_CHANNEL(cursor) DECLARE_DEBUG_CHANNEL(icon) static HCURSOR hActiveCursor = 0; /* Active cursor */ static INT CURSOR_ShowCount = 0; /* Cursor display count */ static RECT CURSOR_ClipRect; /* Cursor clipping rect */ /********************************************************************** * 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 each for every 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; static DWORD ICON_HOTSPOT = 0x42424242; /********************************************************************** * CURSORICON_Init */ void CURSORICON_Init( void ) { InitializeCriticalSection( &IconCrst ); MakeCriticalSectionGlobal( &IconCrst ); } /********************************************************************** * 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 coresponding 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 = HeapAlloc( SystemHeap, 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; if ( HIWORD( hModule ) ) hModule = MapHModuleLS( hModule ); else hModule = GetExePtr( hModule ); EnterCriticalSection( &IconCrst ); while ( *ptr ) { if ( (*ptr)->hModule == hModule ) { ICONCACHE *freePtr = *ptr; *ptr = freePtr->next; GlobalFree16( freePtr->handle ); HeapFree( SystemHeap, 0, freePtr ); continue; } ptr = &(*ptr)->next; } LeaveCriticalSection( &IconCrst ); } /********************************************************************** * 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) { WARN_(icon)("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) { iTempColorDiff = abs(colors - entry->ResInfo.icon.bColorCount); if(iColorDiff > iTempColorDiff) { bestEntry = entry; iColorDiff = iTempColorDiff; } } } 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) { WARN_(cursor)("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; } /********************************************************************* * 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; *res = NULL; *ptr = NULL; if (!(bits = (CURSORICONFILEDIR *)VIRTUAL_MapFileW( filename ))) 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; FIXME_(cursor)("Animated icons not correctly implemented! %p \n", bits); for (;;) { if (*(LPDWORD)pos==0x6e6f6369) /* "icon" */ { FIXME_(cursor)("icon entry found! %p\n", bits); pos+=4; if ( !*(LPWORD) pos==0x2fe) /* iconsize */ { goto fail; } bits=(CURSORICONFILEDIR*)(pos+4); FIXME_(cursor)("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 = HeapAlloc( GetProcessHeap(), 0, entries * sizeof (CURSORICONDIRENTRY*)))) goto fail; if (!(*res = 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 ); return TRUE; fail: if (*res) HeapFree( GetProcessHeap(), 0, *res ); if (*ptr) HeapFree( GetProcessHeap(), 0, *ptr ); UnmapViewOfFile( bits ); 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 HGLOBAL16 CURSORICON_CreateFromResource( HINSTANCE16 hInstance, HGLOBAL16 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 */ BITMAPOBJ *bmpXor, *bmpAnd; POINT16 hotspot; BITMAPINFO *bmi; HDC hdc; BOOL DoStretch; INT size; hotspot.x = ICON_HOTSPOT; hotspot.y = ICON_HOTSPOT; TRACE_(cursor)("%08x (%u bytes), ver %08x, %ix%i %s %s\n", (unsigned)bits, cbSize, (unsigned)dwVersion, width, height, bIcon ? "icon" : "cursor", (loadflags & LR_MONOCHROME) ? "mono" : "" ); if (dwVersion == 0x00020000) { FIXME_(cursor)("\t2.xx resources are not supported\n"); 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); /* Check bitmap header */ if ( (bmi->bmiHeader.biSize != sizeof(BITMAPCOREHEADER)) && (bmi->bmiHeader.biSize != sizeof(BITMAPINFOHEADER) || bmi->bmiHeader.biCompression != BI_RGB) ) { WARN_(cursor)("\tinvalid resource bitmap header.\n"); return 0; } if( (hdc = GetDC( 0 )) ) { 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* bits = (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); res = StretchDIBits(hMem, 0, 0, width, height, 0, 0, pInfo->bmiHeader.biWidth, pInfo->bmiHeader.biHeight, bits, pInfo, DIB_RGB_COLORS, SRCCOPY); SelectObject(hMem, hOld); DeleteDC(hMem); } else res = FALSE; if (!res) { DeleteObject(hAndBits); hAndBits = 0; } } } else hAndBits = CreateDIBitmap( hdc, &pInfo->bmiHeader, CBM_INIT, bits, pInfo, DIB_RGB_COLORS ); if( !hAndBits ) DeleteObject( hXorBits ); } HeapFree( GetProcessHeap(), 0, pInfo ); } ReleaseDC( 0, hdc ); } if( !hXorBits || !hAndBits ) { WARN_(cursor)("\tunable to create an icon bitmap.\n"); return 0; } /* Now create the CURSORICONINFO structure */ bmpXor = (BITMAPOBJ *) GDI_GetObjPtr( hXorBits, BITMAP_MAGIC ); bmpAnd = (BITMAPOBJ *) GDI_GetObjPtr( hAndBits, BITMAP_MAGIC ); sizeXor = bmpXor->bitmap.bmHeight * bmpXor->bitmap.bmWidthBytes; sizeAnd = bmpAnd->bitmap.bmHeight * bmpAnd->bitmap.bmWidthBytes; if (hObj) hObj = GlobalReAlloc16( hObj, sizeof(CURSORICONINFO) + sizeXor + sizeAnd, GMEM_MOVEABLE ); if (!hObj) hObj = GlobalAlloc16( GMEM_MOVEABLE, sizeof(CURSORICONINFO) + sizeXor + sizeAnd ); if (hObj) { CURSORICONINFO *info; /* Make it owned by the module */ if (hInstance) FarSetOwner16( hObj, GetExePtr(hInstance) ); info = (CURSORICONINFO *)GlobalLock16( hObj ); info->ptHotSpot.x = hotspot.x; info->ptHotSpot.y = hotspot.y; info->nWidth = bmpXor->bitmap.bmWidth; info->nHeight = bmpXor->bitmap.bmHeight; info->nWidthBytes = bmpXor->bitmap.bmWidthBytes; info->bPlanes = bmpXor->bitmap.bmPlanes; info->bBitsPerPixel = bmpXor->bitmap.bmBitsPixel; /* Transfer the bitmap bits to the CURSORICONINFO structure */ GetBitmapBits( hAndBits, sizeAnd, (char *)(info + 1) ); GetBitmapBits( hXorBits, sizeXor, (char *)(info + 1) + sizeAnd ); GlobalUnlock16( hObj ); } DeleteObject( hXorBits ); DeleteObject( hAndBits ); return hObj; } /********************************************************************** * CreateIconFromResourceEx16 (USER.450) * * FIXME: not sure about exact parameter types */ HICON16 WINAPI CreateIconFromResourceEx16( LPBYTE bits, UINT16 cbSize, BOOL16 bIcon, DWORD dwVersion, INT16 width, INT16 height, UINT16 cFlag ) { return CreateIconFromResourceEx(bits, cbSize, bIcon, dwVersion, width, height, cFlag); } /********************************************************************** * CreateIconFromResource (USER32.76) */ HICON WINAPI CreateIconFromResource( LPBYTE bits, UINT cbSize, BOOL bIcon, DWORD dwVersion) { return CreateIconFromResourceEx( bits, cbSize, bIcon, dwVersion, 0,0,0); } /********************************************************************** * CreateIconFromResourceEx32 (USER32.77) */ HICON WINAPI CreateIconFromResourceEx( LPBYTE bits, UINT cbSize, BOOL bIcon, DWORD dwVersion, INT width, INT height, UINT cFlag ) { TDB* pTask = (TDB*)GlobalLock16( GetCurrentTask() ); if( pTask ) return CURSORICON_CreateFromResource( pTask->hInstance, 0, bits, cbSize, bIcon, dwVersion, width, height, cFlag ); return 0; } /********************************************************************** * 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; 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, 0, bits, dirEntry->dwBytesInRes, !fCursor, 0x00030000, width, height, loadflags); HeapFree( GetProcessHeap(), 0, dir ); HeapFree( GetProcessHeap(), 0, ptr ); } else if ( !hInstance ) /* Load OEM cursor/icon */ { WORD resid; HDC hdc; if ( HIWORD(name) ) { LPSTR ansi = HEAP_strdupWtoA(GetProcessHeap(),0,name); if( ansi[0]=='#') /*Check for '#xxx' name */ { resid = atoi(ansi+1); HeapFree( GetProcessHeap(), 0, ansi ); } else { HeapFree( GetProcessHeap(), 0, ansi ); return 0; } } else resid = LOWORD(name); hdc = CreateDCA( "DISPLAY", NULL, NULL, NULL ); if (hdc) { DC *dc = DC_GetDCPtr( hdc ); if (dc->funcs->pLoadOEMResource) h = dc->funcs->pLoadOEMResource( resid, fCursor ? OEM_CURSOR : OEM_ICON ); GDI_HEAP_UNLOCK( hdc ); DeleteDC( hdc ); } } else /* Load from resource */ { HANDLE hGroupRsrc; WORD wResId; DWORD dwBytesInRes; /* Normalize hInstance (must be uniquely represented for icon cache) */ if ( HIWORD( hInstance ) ) hInstance = MapHModuleLS( hInstance ); else hInstance = GetExePtr( hInstance ); /* Get directory resource ID */ if (!(hRsrc = FindResourceW( hInstance, name, fCursor ? RT_GROUP_CURSORW : RT_GROUP_ICONW ))) return 0; hGroupRsrc = hRsrc; /* If shared icon, check whether it was already loaded */ if ( (loadflags & LR_SHARED) && (h = CURSORICON_FindSharedIcon( hInstance, hRsrc ) ) != 0 ) return h; /* 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 (!(handle = LoadResource( hInstance, hRsrc ))) return 0; bits = (LPBYTE)LockResource( handle ); h = CURSORICON_CreateFromResource( 0, 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; } /*********************************************************************** * CURSORICON_Copy * * Make a copy of a cursor or icon. */ static HGLOBAL16 CURSORICON_Copy( HINSTANCE16 hInstance, HGLOBAL16 handle ) { char *ptrOld, *ptrNew; int size; HGLOBAL16 hNew; if (!(ptrOld = (char *)GlobalLock16( handle ))) return 0; if (!(hInstance = GetExePtr( hInstance ))) return 0; size = GlobalSize16( handle ); hNew = GlobalAlloc16( GMEM_MOVEABLE, size ); FarSetOwner16( hNew, hInstance ); ptrNew = (char *)GlobalLock16( hNew ); memcpy( ptrNew, ptrOld, size ); GlobalUnlock16( handle ); GlobalUnlock16( hNew ); return hNew; } /************************************************************************* * 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) { HGLOBAL16 hNew=0; TRACE_(icon)("Handle %u, uType %u, iDesiredCX %i, iDesiredCY %i, nFlags %u\n", Handle, nType, iDesiredCX, iDesiredCY, nFlags); if(Handle == 0) { return 0; } /* Best Fit or Monochrome */ if( (nFlags & LR_COPYFROMRESOURCE && (iDesiredCX > 0 || iDesiredCY > 0)) || nFlags & LR_MONOCHROME) { ICONCACHE* pIconCache = CURSORICON_FindCache(Handle); /* Not Found in Cache, then do a strait copy */ if(pIconCache == NULL) { TDB* pTask = (TDB *) GlobalLock16 (GetCurrentTask ()); hNew = CURSORICON_Copy(pTask->hInstance, Handle); if(nFlags & LR_COPYFROMRESOURCE) { TRACE_(icon)("LR_COPYFROMRESOURCE: Failed to load from cache\n"); } } else { int iTargetCX, iTargetCY; LPBYTE pBits; HANDLE hMem; HRSRC hRsrc; DWORD dwBytesInRes; WORD wResId; CURSORICONDIR *pDir; CURSORICONDIRENTRY *pDirEntry; BOOL bIsIcon = (nType == IMAGE_ICON); /* 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 */ if (!(hMem = LoadResource( pIconCache->hModule , pIconCache->hGroupRsrc))) { return 0; } if (!(pDir = (CURSORICONDIR*)LockResource( hMem ))) { return 0; } /* 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); TRACE_(icon)("ResID %u, BytesInRes %lu, Width %d, Height %d DX %d, DY %d\n", wResId, dwBytesInRes, pDirEntry->ResInfo.icon.bWidth, pDirEntry->ResInfo.icon.bHeight, iDesiredCX, iDesiredCY); /* Get the Best Fit */ if (!(hRsrc = FindResourceW(pIconCache->hModule , MAKEINTRESOURCEW(wResId), bIsIcon ? RT_ICONW : RT_CURSORW))) { return 0; } if (!(hMem = LoadResource( pIconCache->hModule , hRsrc ))) { return 0; } pBits = (LPBYTE)LockResource( hMem ); iTargetCY = GetSystemMetrics(SM_CYICON); iTargetCX = GetSystemMetrics(SM_CXICON); /* Create a New Icon with the proper dimension */ hNew = CURSORICON_CreateFromResource( 0, 0, pBits, dwBytesInRes, bIsIcon, 0x00030000, iTargetCX, iTargetCY, nFlags); FreeResource(hMem); } } else { TDB* pTask = (TDB *) GlobalLock16 (GetCurrentTask ()); hNew = CURSORICON_Copy(pTask->hInstance, Handle); } return hNew; } /*********************************************************************** * CURSORICON_IconToCursor * * Converts bitmap to mono and truncates if icon is too large (should * probably do StretchBlt() instead). */ HCURSOR16 CURSORICON_IconToCursor(HICON16 hIcon, BOOL bSemiTransparent) { HCURSOR16 hRet = 0; CURSORICONINFO *pIcon = NULL; HTASK16 hTask = GetCurrentTask(); TDB* pTask = (TDB *)GlobalLock16(hTask); if(hIcon && pTask) if (!(pIcon = (CURSORICONINFO*)GlobalLock16( hIcon ))) return FALSE; if (pIcon->bPlanes * pIcon->bBitsPerPixel == 1) { hRet = CURSORICON_Copy( pTask->hInstance, hIcon ); pIcon = GlobalLock16(hRet); pIcon->ptHotSpot.x = pIcon->ptHotSpot.y = 15; GlobalUnlock(hRet); } else { BYTE pAndBits[128]; BYTE pXorBits[128]; int maxx, maxy, ix, iy, bpp = pIcon->bBitsPerPixel; BYTE* psPtr, *pxbPtr = pXorBits; unsigned xor_width, and_width, val_base = 0xffffffff >> (32 - bpp); BYTE* pbc = NULL; CURSORICONINFO cI; TRACE_(icon)("[%04x] %ix%i %ibpp (bogus %ibps)\n", hIcon, pIcon->nWidth, pIcon->nHeight, pIcon->bBitsPerPixel, pIcon->nWidthBytes ); xor_width = BITMAP_GetWidthBytes( pIcon->nWidth, bpp ); and_width = BITMAP_GetWidthBytes( pIcon->nWidth, 1 ); psPtr = (BYTE *)(pIcon + 1) + pIcon->nHeight * and_width; memset(pXorBits, 0, 128); cI.bBitsPerPixel = 1; cI.bPlanes = 1; cI.ptHotSpot.x = cI.ptHotSpot.y = 15; cI.nWidth = 32; cI.nHeight = 32; cI.nWidthBytes = 4; /* 32x1bpp */ maxx = (pIcon->nWidth > 32) ? 32 : pIcon->nWidth; maxy = (pIcon->nHeight > 32) ? 32 : pIcon->nHeight; for( iy = 0; iy < maxy; iy++ ) { unsigned shift = iy % 2; memcpy( pAndBits + iy * 4, (BYTE *)(pIcon + 1) + iy * and_width, (and_width > 4) ? 4 : and_width ); for( ix = 0; ix < maxx; ix++ ) { if( bSemiTransparent && ((ix+shift)%2) ) { /* set AND bit, XOR bit stays 0 */ pbc = pAndBits + iy * 4 + ix/8; *pbc |= 0x80 >> (ix%8); } else { /* keep AND bit, set XOR bit */ unsigned *psc = (unsigned*)(psPtr + (ix * bpp)/8); unsigned val = ((*psc) >> (ix * bpp)%8) & val_base; if(!PALETTE_Driver->pIsDark(val)) { pbc = pxbPtr + ix/8; *pbc |= 0x80 >> (ix%8); } } } psPtr += xor_width; pxbPtr += 4; } hRet = CreateCursorIconIndirect16( pTask->hInstance , &cI, pAndBits, pXorBits); if( !hRet ) /* fall back on default drag cursor */ hRet = CURSORICON_Copy( pTask->hInstance , CURSORICON_Load(0,MAKEINTRESOURCEW(OCR_DRAGOBJECT), GetSystemMetrics(SM_CXCURSOR), GetSystemMetrics(SM_CYCURSOR), 1, TRUE, 0) ); } return hRet; } /*********************************************************************** * LoadCursor16 (USER.173) */ HCURSOR16 WINAPI LoadCursor16( HINSTANCE16 hInstance, SEGPTR name ) { LPCSTR nameStr = HIWORD(name)? PTR_SEG_TO_LIN(name) : (LPCSTR)name; return LoadCursorA( hInstance, nameStr ); } /*********************************************************************** * LoadIcon16 (USER.174) */ HICON16 WINAPI LoadIcon16( HINSTANCE16 hInstance, SEGPTR name ) { LPCSTR nameStr = HIWORD(name)? PTR_SEG_TO_LIN(name) : (LPCSTR)name; return LoadIconA( hInstance, nameStr ); } /*********************************************************************** * CreateCursor16 (USER.406) */ HCURSOR16 WINAPI CreateCursor16( HINSTANCE16 hInstance, INT16 xHotSpot, INT16 yHotSpot, INT16 nWidth, INT16 nHeight, LPCVOID lpANDbits, LPCVOID lpXORbits ) { CURSORICONINFO info; TRACE_(cursor)("%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; return CreateCursorIconIndirect16( hInstance, &info, lpANDbits, lpXORbits ); } /*********************************************************************** * CreateCursor32 (USER32.67) */ HCURSOR WINAPI CreateCursor( HINSTANCE hInstance, INT xHotSpot, INT yHotSpot, INT nWidth, INT nHeight, LPCVOID lpANDbits, LPCVOID lpXORbits ) { CURSORICONINFO info; TRACE_(cursor)("%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; return CreateCursorIconIndirect16( 0, &info, lpANDbits, lpXORbits ); } /*********************************************************************** * CreateIcon16 (USER.407) */ HICON16 WINAPI CreateIcon16( HINSTANCE16 hInstance, INT16 nWidth, INT16 nHeight, BYTE bPlanes, BYTE bBitsPixel, LPCVOID lpANDbits, LPCVOID lpXORbits ) { CURSORICONINFO info; TRACE_(icon)("%dx%dx%d, xor=%p, and=%p\n", 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; return CreateCursorIconIndirect16( hInstance, &info, lpANDbits, lpXORbits ); } /*********************************************************************** * CreateIcon32 (USER32.75) */ HICON WINAPI CreateIcon( HINSTANCE hInstance, INT nWidth, INT nHeight, BYTE bPlanes, BYTE bBitsPixel, LPCVOID lpANDbits, LPCVOID lpXORbits ) { CURSORICONINFO info; TRACE_(icon)("%dx%dx%d, xor=%p, and=%p\n", 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; return CreateCursorIconIndirect16( 0, &info, lpANDbits, lpXORbits ); } /*********************************************************************** * CreateCursorIconIndirect (USER.408) */ HGLOBAL16 WINAPI CreateCursorIconIndirect16( HINSTANCE16 hInstance, CURSORICONINFO *info, LPCVOID lpANDbits, LPCVOID lpXORbits ) { HGLOBAL16 handle; char *ptr; int sizeAnd, sizeXor; hInstance = GetExePtr( hInstance ); /* Make it a module handle */ 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 = GlobalAlloc16( GMEM_MOVEABLE, sizeof(CURSORICONINFO) + sizeXor + sizeAnd))) return 0; if (hInstance) FarSetOwner16( handle, hInstance ); ptr = (char *)GlobalLock16( handle ); memcpy( ptr, info, sizeof(*info) ); memcpy( ptr + sizeof(CURSORICONINFO), lpANDbits, sizeAnd ); memcpy( ptr + sizeof(CURSORICONINFO) + sizeAnd, lpXORbits, sizeXor ); GlobalUnlock16( handle ); return handle; } /*********************************************************************** * CopyIcon16 (USER.368) */ HICON16 WINAPI CopyIcon16( HINSTANCE16 hInstance, HICON16 hIcon ) { TRACE_(icon)("%04x %04x\n", hInstance, hIcon ); return CURSORICON_Copy( hInstance, hIcon ); } /*********************************************************************** * CopyIcon32 (USER32.60) */ HICON WINAPI CopyIcon( HICON hIcon ) { HTASK16 hTask = GetCurrentTask (); TDB* pTask = (TDB *) GlobalLock16 (hTask); TRACE_(icon)("%04x\n", hIcon ); return CURSORICON_Copy( pTask->hInstance, hIcon ); } /*********************************************************************** * CopyCursor16 (USER.369) */ HCURSOR16 WINAPI CopyCursor16( HINSTANCE16 hInstance, HCURSOR16 hCursor ) { TRACE_(cursor)("%04x %04x\n", hInstance, hCursor ); return CURSORICON_Copy( hInstance, hCursor ); } /********************************************************************** * 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 WINAPI CURSORICON_Destroy( HGLOBAL16 handle, UINT16 flags ) { WORD retv; TRACE_(icon)("(%04x, %04x)\n", handle, flags ); /* Check whether destroying active cursor */ if ( hActiveCursor == handle ) { ERR_(cursor)("Destroying active cursor!\n" ); SetCursor( 0 ); } /* 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 */ retv = GlobalFree16( handle ); return (flags & CID_RESOURCE)? retv : TRUE; } /*********************************************************************** * DestroyIcon16 (USER.457) */ BOOL16 WINAPI DestroyIcon16( HICON16 hIcon ) { return CURSORICON_Destroy( hIcon, 0 ); } /*********************************************************************** * DestroyIcon (USER32.133) */ BOOL WINAPI DestroyIcon( HICON hIcon ) { return CURSORICON_Destroy( hIcon, CID_WIN32 ); } /*********************************************************************** * DestroyCursor16 (USER.458) */ BOOL16 WINAPI DestroyCursor16( HCURSOR16 hCursor ) { return CURSORICON_Destroy( hCursor, 0 ); } /*********************************************************************** * DestroyCursor (USER32.132) */ BOOL WINAPI DestroyCursor( HCURSOR hCursor ) { return CURSORICON_Destroy( hCursor, CID_WIN32 ); } /*********************************************************************** * DrawIcon16 (USER.84) */ BOOL16 WINAPI DrawIcon16( HDC16 hdc, INT16 x, INT16 y, HICON16 hIcon ) { return DrawIcon( hdc, x, y, hIcon ); } /*********************************************************************** * DrawIcon32 (USER32.159) */ BOOL WINAPI DrawIcon( HDC hdc, INT x, INT y, HICON hIcon ) { CURSORICONINFO *ptr; HDC hMemDC; HBITMAP hXorBits, hAndBits; COLORREF oldFg, oldBg; if (!(ptr = (CURSORICONINFO *)GlobalLock16( hIcon ))) return FALSE; if (!(hMemDC = CreateCompatibleDC( hdc ))) return FALSE; hAndBits = CreateBitmap( ptr->nWidth, ptr->nHeight, 1, 1, (char *)(ptr+1) ); hXorBits = CreateBitmap( ptr->nWidth, ptr->nHeight, ptr->bPlanes, ptr->bBitsPerPixel, (char *)(ptr + 1) + ptr->nHeight * BITMAP_GetWidthBytes(ptr->nWidth,1) ); oldFg = SetTextColor( hdc, RGB(0,0,0) ); oldBg = SetBkColor( hdc, RGB(255,255,255) ); if (hXorBits && hAndBits) { HBITMAP hBitTemp = SelectObject( hMemDC, hAndBits ); BitBlt( hdc, x, y, ptr->nWidth, ptr->nHeight, hMemDC, 0, 0, SRCAND ); SelectObject( hMemDC, hXorBits ); BitBlt(hdc, x, y, ptr->nWidth, ptr->nHeight, hMemDC, 0, 0,SRCINVERT); SelectObject( hMemDC, hBitTemp ); } DeleteDC( hMemDC ); if (hXorBits) DeleteObject( hXorBits ); if (hAndBits) DeleteObject( hAndBits ); GlobalUnlock16( hIcon ); SetTextColor( hdc, oldFg ); SetBkColor( hdc, oldBg ); return TRUE; } /*********************************************************************** * DumpIcon (USER.459) */ DWORD WINAPI DumpIcon16( SEGPTR pInfo, WORD *lpLen, SEGPTR *lpXorBits, SEGPTR *lpAndBits ) { CURSORICONINFO *info = PTR_SEG_TO_LIN( pInfo ); int sizeAnd, sizeXor; if (!info) return 0; sizeXor = info->nHeight * info->nWidthBytes; sizeAnd = info->nHeight * BITMAP_GetWidthBytes( info->nWidth, 1 ); if (lpAndBits) *lpAndBits = pInfo + sizeof(CURSORICONINFO); if (lpXorBits) *lpXorBits = pInfo + sizeof(CURSORICONINFO) + sizeAnd; if (lpLen) *lpLen = sizeof(CURSORICONINFO) + sizeAnd + sizeXor; return MAKELONG( sizeXor, sizeXor ); } /*********************************************************************** * SetCursor16 (USER.69) */ HCURSOR16 WINAPI SetCursor16( HCURSOR16 hCursor ) { return (HCURSOR16)SetCursor( hCursor ); } /*********************************************************************** * SetCursor32 (USER32.472) * RETURNS: * A handle to the previous cursor shape. */ HCURSOR WINAPI SetCursor( HCURSOR hCursor /* Handle of cursor to show */ ) { HCURSOR hOldCursor; if (hCursor == hActiveCursor) return hActiveCursor; /* No change */ TRACE_(cursor)("%04x\n", hCursor ); hOldCursor = hActiveCursor; hActiveCursor = hCursor; /* Change the cursor shape only if it is visible */ if (CURSOR_ShowCount >= 0) { DISPLAY_SetCursor( (CURSORICONINFO*)GlobalLock16( hActiveCursor ) ); GlobalUnlock16( hActiveCursor ); } return hOldCursor; } /*********************************************************************** * SetCursorPos16 (USER.70) */ void WINAPI SetCursorPos16( INT16 x, INT16 y ) { SetCursorPos( x, y ); } /*********************************************************************** * SetCursorPos32 (USER32.474) */ BOOL WINAPI SetCursorPos( INT x, INT y ) { DISPLAY_MoveCursor( x, y ); return TRUE; } /*********************************************************************** * ShowCursor16 (USER.71) */ INT16 WINAPI ShowCursor16( BOOL16 bShow ) { return ShowCursor( bShow ); } /*********************************************************************** * ShowCursor32 (USER32.530) */ INT WINAPI ShowCursor( BOOL bShow ) { TRACE_(cursor)("%d, count=%d\n", bShow, CURSOR_ShowCount ); if (bShow) { if (++CURSOR_ShowCount == 0) /* Show it */ { DISPLAY_SetCursor((CURSORICONINFO*)GlobalLock16( hActiveCursor )); GlobalUnlock16( hActiveCursor ); } } else { if (--CURSOR_ShowCount == -1) /* Hide it */ DISPLAY_SetCursor( NULL ); } return CURSOR_ShowCount; } /*********************************************************************** * GetCursor16 (USER.247) */ HCURSOR16 WINAPI GetCursor16(void) { return hActiveCursor; } /*********************************************************************** * GetCursor32 (USER32.227) */ HCURSOR WINAPI GetCursor(void) { return hActiveCursor; } /*********************************************************************** * ClipCursor16 (USER.16) */ BOOL16 WINAPI ClipCursor16( const RECT16 *rect ) { if (!rect) SetRectEmpty( &CURSOR_ClipRect ); else CONV_RECT16TO32( rect, &CURSOR_ClipRect ); return TRUE; } /*********************************************************************** * ClipCursor32 (USER32.53) */ BOOL WINAPI ClipCursor( const RECT *rect ) { if (!rect) SetRectEmpty( &CURSOR_ClipRect ); else CopyRect( &CURSOR_ClipRect, rect ); return TRUE; } /*********************************************************************** * GetCursorPos16 (USER.17) */ BOOL16 WINAPI GetCursorPos16( POINT16 *pt ) { if (!pt) return 0; pt->x = PosX; pt->y = PosY; TRACE_(cursor)("ret=%d,%d\n", pt->x, pt->y ); return 1; } /*********************************************************************** * GetCursorPos32 (USER32.229) */ BOOL WINAPI GetCursorPos( POINT *pt ) { BOOL ret; POINT16 pt16; ret = GetCursorPos16( &pt16 ); if (pt) CONV_POINT16TO32( &pt16, pt ); return ((pt) ? ret : 0); } /*********************************************************************** * GetClipCursor16 (USER.309) */ void WINAPI GetClipCursor16( RECT16 *rect ) { if (rect) CONV_RECT32TO16( &CURSOR_ClipRect, rect ); } /*********************************************************************** * GetClipCursor32 (USER32.221) */ BOOL WINAPI GetClipCursor( RECT *rect ) { if (rect) { CopyRect( rect, &CURSOR_ClipRect ); return TRUE; } return FALSE; } /********************************************************************** * LookupIconIdFromDirectoryEx16 (USER.364) * * FIXME: exact parameter sizes */ INT16 WINAPI LookupIconIdFromDirectoryEx16( LPBYTE xdir, BOOL16 bIcon, INT16 width, INT16 height, UINT16 cFlag ) { CURSORICONDIR *dir = (CURSORICONDIR*)xdir; UINT16 retVal = 0; 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 WARN_(cursor)("invalid resource directory\n"); return retVal; } /********************************************************************** * LookupIconIdFromDirectoryEx32 (USER32.380) */ INT WINAPI LookupIconIdFromDirectoryEx( LPBYTE dir, BOOL bIcon, INT width, INT height, UINT cFlag ) { return LookupIconIdFromDirectoryEx16( dir, bIcon, width, height, cFlag ); } /********************************************************************** * LookupIconIdFromDirectory (USER.???) */ INT16 WINAPI LookupIconIdFromDirectory16( LPBYTE dir, BOOL16 bIcon ) { return LookupIconIdFromDirectoryEx16( dir, bIcon, bIcon ? GetSystemMetrics(SM_CXICON) : GetSystemMetrics(SM_CXCURSOR), bIcon ? GetSystemMetrics(SM_CYICON) : GetSystemMetrics(SM_CYCURSOR), bIcon ? 0 : LR_MONOCHROME ); } /********************************************************************** * LookupIconIdFromDirectory (USER32.379) */ INT WINAPI 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 ); } /********************************************************************** * GetIconID (USER.455) */ WORD WINAPI GetIconID16( HGLOBAL16 hResource, DWORD resType ) { LPBYTE lpDir = (LPBYTE)GlobalLock16(hResource); TRACE_(cursor)("hRes=%04x, entries=%i\n", hResource, lpDir ? ((CURSORICONDIR*)lpDir)->idCount : 0); switch(resType) { case RT_CURSOR16: return (WORD)LookupIconIdFromDirectoryEx16( lpDir, FALSE, GetSystemMetrics(SM_CXCURSOR), GetSystemMetrics(SM_CYCURSOR), LR_MONOCHROME ); case RT_ICON16: return (WORD)LookupIconIdFromDirectoryEx16( lpDir, TRUE, GetSystemMetrics(SM_CXICON), GetSystemMetrics(SM_CYICON), 0 ); default: WARN_(cursor)("invalid res type %ld\n", resType ); } return 0; } /********************************************************************** * LoadCursorIconHandler (USER.336) * * Supposed to load resources of Windows 2.x applications. */ HGLOBAL16 WINAPI LoadCursorIconHandler16( HGLOBAL16 hResource, HMODULE16 hModule, HRSRC16 hRsrc ) { FIXME_(cursor)("(%04x,%04x,%04x): old 2.x resources are not supported!\n", hResource, hModule, hRsrc); return (HGLOBAL16)0; } /********************************************************************** * LoadDIBIconHandler (USER.357) * * RT_ICON resource loader, installed by USER_SignalProc when module * is initialized. */ HGLOBAL16 WINAPI LoadDIBIconHandler16( HGLOBAL16 hMemObj, HMODULE16 hModule, HRSRC16 hRsrc ) { /* If hResource is zero we must allocate a new memory block, if it's * non-zero but GlobalLock() returns NULL then it was discarded and * we have to recommit some memory, otherwise we just need to check * the block size. See LoadProc() in 16-bit SDK for more. */ hMemObj = NE_DefResourceHandler( hMemObj, hModule, hRsrc ); if( hMemObj ) { LPBYTE bits = (LPBYTE)GlobalLock16( hMemObj ); hMemObj = CURSORICON_CreateFromResource( hModule, hMemObj, bits, SizeofResource16(hModule, hRsrc), TRUE, 0x00030000, GetSystemMetrics(SM_CXICON), GetSystemMetrics(SM_CYICON), LR_DEFAULTCOLOR ); } return hMemObj; } /********************************************************************** * LoadDIBCursorHandler (USER.356) * * RT_CURSOR resource loader. Same as above. */ HGLOBAL16 WINAPI LoadDIBCursorHandler16( HGLOBAL16 hMemObj, HMODULE16 hModule, HRSRC16 hRsrc ) { hMemObj = NE_DefResourceHandler( hMemObj, hModule, hRsrc ); if( hMemObj ) { LPBYTE bits = (LPBYTE)GlobalLock16( hMemObj ); hMemObj = CURSORICON_CreateFromResource( hModule, hMemObj, bits, SizeofResource16(hModule, hRsrc), FALSE, 0x00030000, GetSystemMetrics(SM_CXCURSOR), GetSystemMetrics(SM_CYCURSOR), LR_MONOCHROME ); } return hMemObj; } /********************************************************************** * LoadIconHandler (USER.456) */ HICON16 WINAPI LoadIconHandler16( HGLOBAL16 hResource, BOOL16 bNew ) { LPBYTE bits = (LPBYTE)LockResource16( hResource ); TRACE_(cursor)("hRes=%04x\n",hResource); return CURSORICON_CreateFromResource( 0, 0, bits, 0, TRUE, bNew ? 0x00030000 : 0x00020000, 0, 0, LR_DEFAULTCOLOR ); } /*********************************************************************** * LoadCursorW (USER32.362) */ HCURSOR WINAPI LoadCursorW(HINSTANCE hInstance, LPCWSTR name) { return LoadImageW( hInstance, name, IMAGE_CURSOR, 0, 0, LR_SHARED | LR_DEFAULTSIZE ); } /*********************************************************************** * LoadCursorA (USER32.359) */ HCURSOR WINAPI LoadCursorA(HINSTANCE hInstance, LPCSTR name) { return LoadImageA( hInstance, name, IMAGE_CURSOR, 0, 0, LR_SHARED | LR_DEFAULTSIZE ); } /*********************************************************************** * LoadCursorFromFileW (USER32.361) */ HCURSOR WINAPI LoadCursorFromFileW (LPCWSTR name) { return LoadImageW( 0, name, IMAGE_CURSOR, 0, 0, LR_LOADFROMFILE | LR_DEFAULTSIZE ); } /*********************************************************************** * LoadCursorFromFileA (USER32.360) */ HCURSOR WINAPI LoadCursorFromFileA (LPCSTR name) { return LoadImageA( 0, name, IMAGE_CURSOR, 0, 0, LR_LOADFROMFILE | LR_DEFAULTSIZE ); } /*********************************************************************** * LoadIconW (USER32.364) */ HICON WINAPI LoadIconW(HINSTANCE hInstance, LPCWSTR name) { return LoadImageW( hInstance, name, IMAGE_ICON, 0, 0, LR_SHARED | LR_DEFAULTSIZE ); } /*********************************************************************** * LoadIconA (USER32.363) */ HICON WINAPI LoadIconA(HINSTANCE hInstance, LPCSTR name) { return LoadImageA( hInstance, name, IMAGE_ICON, 0, 0, LR_SHARED | LR_DEFAULTSIZE ); } /********************************************************************** * GetIconInfo16 (USER.395) */ BOOL16 WINAPI GetIconInfo16(HICON16 hIcon,LPICONINFO16 iconinfo) { ICONINFO ii32; BOOL16 ret = GetIconInfo((HICON)hIcon, &ii32); iconinfo->fIcon = ii32.fIcon; iconinfo->xHotspot = ii32.xHotspot; iconinfo->yHotspot = ii32.yHotspot; iconinfo->hbmMask = ii32.hbmMask; iconinfo->hbmColor = ii32.hbmColor; return ret; } /********************************************************************** * GetIconInfo32 (USER32.242) */ BOOL WINAPI GetIconInfo(HICON hIcon,LPICONINFO iconinfo) { CURSORICONINFO *ciconinfo; ciconinfo = GlobalLock16(hIcon); if (!ciconinfo) return FALSE; if ( (ciconinfo->ptHotSpot.x == ICON_HOTSPOT) && (ciconinfo->ptHotSpot.y == ICON_HOTSPOT) ) { iconinfo->fIcon = TRUE; iconinfo->xHotspot = 0; iconinfo->yHotspot = 0; } else { iconinfo->fIcon = FALSE; iconinfo->xHotspot = ciconinfo->ptHotSpot.x; iconinfo->yHotspot = ciconinfo->ptHotSpot.y; } 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)); GlobalUnlock16(hIcon); return TRUE; } /********************************************************************** * CreateIconIndirect (USER32.78) */ HICON WINAPI CreateIconIndirect(LPICONINFO iconinfo) { BITMAPOBJ *bmpXor,*bmpAnd; HICON hObj; int sizeXor,sizeAnd; bmpXor = (BITMAPOBJ *) GDI_GetObjPtr( iconinfo->hbmColor, BITMAP_MAGIC ); bmpAnd = (BITMAPOBJ *) GDI_GetObjPtr( iconinfo->hbmMask, BITMAP_MAGIC ); sizeXor = bmpXor->bitmap.bmHeight * bmpXor->bitmap.bmWidthBytes; sizeAnd = bmpAnd->bitmap.bmHeight * bmpAnd->bitmap.bmWidthBytes; hObj = GlobalAlloc16( GMEM_MOVEABLE, sizeof(CURSORICONINFO) + sizeXor + sizeAnd ); if (hObj) { CURSORICONINFO *info; info = (CURSORICONINFO *)GlobalLock16( hObj ); /* If we are creating an icon, the hotspot is unused */ if (iconinfo->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->bitmap.bmWidth; info->nHeight = bmpXor->bitmap.bmHeight; info->nWidthBytes = bmpXor->bitmap.bmWidthBytes; info->bPlanes = bmpXor->bitmap.bmPlanes; info->bBitsPerPixel = bmpXor->bitmap.bmBitsPixel; /* Transfer the bitmap bits to the CURSORICONINFO structure */ GetBitmapBits( iconinfo->hbmMask ,sizeAnd,(char*)(info + 1) ); GetBitmapBits( iconinfo->hbmColor,sizeXor,(char*)(info + 1) +sizeAnd); GlobalUnlock16( hObj ); } return hObj; } /********************************************************************** * DrawIconEx16 (USER.394) */ BOOL16 WINAPI DrawIconEx16 (HDC16 hdc, INT16 xLeft, INT16 yTop, HICON16 hIcon, INT16 cxWidth, INT16 cyWidth, UINT16 istep, HBRUSH16 hbr, UINT16 flags) { return DrawIconEx(hdc, xLeft, yTop, hIcon, cxWidth, cyWidth, istep, hbr, flags); } /****************************************************************************** * DrawIconEx32 [USER32.160] Draws an icon or cursor on device context * * NOTES * Why is this using SM_CXICON instead of SM_CXCURSOR? * * PARAMS * hdc [I] Handle to device context * x0 [I] X coordinate of upper left corner * y0 [I] Y coordinate of upper left corner * hIcon [I] Handle to icon to draw * cxWidth [I] Width of icon * cyWidth [I] Height of icon * istep [I] Index of frame in animated cursor * hbr [I] Handle to background brush * flags [I] Icon-drawing flags * * RETURNS * Success: TRUE * Failure: FALSE */ BOOL WINAPI DrawIconEx( HDC hdc, INT x0, INT y0, HICON hIcon, INT cxWidth, INT cyWidth, UINT istep, HBRUSH hbr, UINT flags ) { CURSORICONINFO *ptr = (CURSORICONINFO *)GlobalLock16 (hIcon); HDC hDC_off = 0, hMemDC = CreateCompatibleDC (hdc); BOOL result = FALSE, DoOffscreen = FALSE; HBITMAP hB_off = 0, hOld = 0; if (!ptr) return FALSE; if (istep) FIXME_(icon)("Ignoring istep=%d\n", istep); if (flags & DI_COMPAT) FIXME_(icon)("Ignoring flag DI_COMPAT\n"); /* Calculate the size of the destination image. */ if (cxWidth == 0) { if (flags & DI_DEFAULTSIZE) cxWidth = GetSystemMetrics (SM_CXICON); else cxWidth = ptr->nWidth; } if (cyWidth == 0) { if (flags & DI_DEFAULTSIZE) cyWidth = GetSystemMetrics (SM_CYICON); else cyWidth = ptr->nHeight; } if (!(DoOffscreen = (hbr >= STOCK_WHITE_BRUSH) && (hbr <= STOCK_HOLLOW_BRUSH))) { GDIOBJHDR *object = (GDIOBJHDR *) GDI_HEAP_LOCK(hbr); if (object) { UINT16 magic = object->wMagic; GDI_HEAP_UNLOCK(hbr); DoOffscreen = magic == BRUSH_MAGIC; } } if (DoOffscreen) { RECT r; r.left = 0; r.top = 0; r.right = cxWidth; r.bottom = cxWidth; hDC_off = CreateCompatibleDC(hdc); hB_off = CreateCompatibleBitmap(hdc, cxWidth, cyWidth); if (hDC_off && hB_off) { hOld = SelectObject(hDC_off, hB_off); FillRect(hDC_off, &r, hbr); } }; if (hMemDC && (!DoOffscreen || (hDC_off && hB_off))) { HBITMAP hXorBits, hAndBits; COLORREF oldFg, oldBg; INT nStretchMode; nStretchMode = SetStretchBltMode (hdc, STRETCH_DELETESCANS); hXorBits = CreateBitmap ( ptr->nWidth, ptr->nHeight, ptr->bPlanes, ptr->bBitsPerPixel, (char *)(ptr + 1) + ptr->nHeight * BITMAP_GetWidthBytes(ptr->nWidth,1) ); hAndBits = CreateBitmap ( ptr->nWidth, ptr->nHeight, 1, 1, (char *)(ptr+1) ); oldFg = SetTextColor( hdc, RGB(0,0,0) ); oldBg = SetBkColor( hdc, RGB(255,255,255) ); if (hXorBits && hAndBits) { HBITMAP hBitTemp = SelectObject( hMemDC, hAndBits ); if (flags & DI_MASK) { if (DoOffscreen) StretchBlt (hDC_off, 0, 0, cxWidth, cyWidth, hMemDC, 0, 0, ptr->nWidth, ptr->nHeight, SRCAND); else StretchBlt (hdc, x0, y0, cxWidth, cyWidth, hMemDC, 0, 0, ptr->nWidth, ptr->nHeight, SRCAND); } SelectObject( hMemDC, hXorBits ); if (flags & DI_IMAGE) { if (DoOffscreen) StretchBlt (hDC_off, 0, 0, cxWidth, cyWidth, hMemDC, 0, 0, ptr->nWidth, ptr->nHeight, SRCPAINT); else StretchBlt (hdc, x0, y0, cxWidth, cyWidth, hMemDC, 0, 0, ptr->nWidth, ptr->nHeight, SRCPAINT); } SelectObject( hMemDC, hBitTemp ); result = TRUE; } SetTextColor( hdc, oldFg ); SetBkColor( hdc, oldBg ); if (hXorBits) DeleteObject( hXorBits ); if (hAndBits) DeleteObject( hAndBits ); SetStretchBltMode (hdc, nStretchMode); if (DoOffscreen) { BitBlt(hdc, x0, y0, cxWidth, cyWidth, hDC_off, 0, 0, SRCCOPY); SelectObject(hDC_off, hOld); } } if (hMemDC) DeleteDC( hMemDC ); if (hDC_off) DeleteDC(hDC_off); if (hB_off) DeleteObject(hB_off); GlobalUnlock16( hIcon ); return result; }