/* * Cursor and icon support * * Copyright 1995 Alexandre Julliard * 1996 Martin Von Loewis * 1997 Alex Korobka * 1998 Turchanov Sergey * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ /* * Theory: * * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnwui/html/msdn_icons.asp * * 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 "config.h" #include "wine/port.h" #include #include #include #include "windef.h" #include "winbase.h" #include "wingdi.h" #include "wownt32.h" #include "winerror.h" #include "excpt.h" #include "wine/winbase16.h" #include "wine/winuser16.h" #include "wine/exception.h" #include "wine/debug.h" #include "user_private.h" WINE_DEFAULT_DEBUG_CHANNEL(cursor); WINE_DECLARE_DEBUG_CHANNEL(icon); WINE_DECLARE_DEBUG_CHANNEL(resource); #include "pshpack1.h" typedef struct { BYTE bWidth; BYTE bHeight; BYTE bColorCount; BYTE bReserved; WORD xHotspot; WORD yHotspot; DWORD dwDIBSize; DWORD dwDIBOffset; } CURSORICONFILEDIRENTRY; typedef struct { WORD idReserved; WORD idType; WORD idCount; CURSORICONFILEDIRENTRY idEntries[1]; } CURSORICONFILEDIR; #include "poppack.h" #define CID_RESOURCE 0x0001 #define CID_WIN32 0x0004 #define CID_NONSHARED 0x0008 static RECT CURSOR_ClipRect; /* Cursor clipping rect */ static HDC screen_dc; static const WCHAR DISPLAYW[] = {'D','I','S','P','L','A','Y',0}; /********************************************************************** * 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; HICON hIcon; INT count; } ICONCACHE; static ICONCACHE *IconAnchor = NULL; static CRITICAL_SECTION IconCrst; static CRITICAL_SECTION_DEBUG critsect_debug = { 0, 0, &IconCrst, { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList }, 0, 0, { (DWORD_PTR)(__FILE__ ": IconCrst") } }; static CRITICAL_SECTION IconCrst = { &critsect_debug, -1, 0, 0, 0, 0 }; static const WORD ICON_HOTSPOT = 0x4242; /*********************************************************************** * map_fileW * * Helper function to map a file to memory: * name - file name * [RETURN] ptr - pointer to mapped file * [RETURN] filesize - pointer size of file to be stored if not NULL */ static void *map_fileW( LPCWSTR name, LPDWORD filesize ) { HANDLE hFile, hMapping; LPVOID ptr = NULL; hFile = CreateFileW( name, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_FLAG_RANDOM_ACCESS, 0 ); if (hFile != INVALID_HANDLE_VALUE) { hMapping = CreateFileMappingW( hFile, NULL, PAGE_READONLY, 0, 0, NULL ); if (hMapping) { ptr = MapViewOfFile( hMapping, FILE_MAP_READ, 0, 0, 0 ); CloseHandle( hMapping ); if (filesize) *filesize = GetFileSize( hFile, NULL ); } CloseHandle( hFile ); } return ptr; } /*********************************************************************** * get_bitmap_width_bytes * * Return number of bytes taken by a scanline of 16-bit aligned Windows DDB * data. */ static int get_bitmap_width_bytes( int width, int bpp ) { switch(bpp) { case 1: return 2 * ((width+15) / 16); case 4: return 2 * ((width+3) / 4); case 24: width *= 3; /* fall through */ case 8: return width + (width & 1); case 16: case 15: return width * 2; case 32: return width * 4; default: WARN("Unknown depth %d, please report.\n", bpp ); } return -1; } /*********************************************************************** * get_dib_width_bytes * * Return the width of a DIB bitmap in bytes. DIB bitmap data is 32-bit aligned. */ static int get_dib_width_bytes( int width, int depth ) { int words; switch(depth) { case 1: words = (width + 31) / 32; break; case 4: words = (width + 7) / 8; break; case 8: words = (width + 3) / 4; break; case 15: case 16: words = (width + 1) / 2; break; case 24: words = (width * 3 + 3)/4; break; default: WARN("(%d): Unsupported depth\n", depth ); /* fall through */ case 32: words = width; } return 4 * words; } /*********************************************************************** * bitmap_info_size * * Return the size of the bitmap info structure including color table. */ static int bitmap_info_size( const BITMAPINFO * info, WORD coloruse ) { int colors; if (info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER)) { const BITMAPCOREHEADER *core = (const BITMAPCOREHEADER *)info; colors = (core->bcBitCount <= 8) ? 1 << core->bcBitCount : 0; return sizeof(BITMAPCOREHEADER) + colors * ((coloruse == DIB_RGB_COLORS) ? sizeof(RGBTRIPLE) : sizeof(WORD)); } else /* assume BITMAPINFOHEADER */ { colors = info->bmiHeader.biClrUsed; if (colors > 256) /* buffer overflow otherwise */ colors = 256; if (!colors && (info->bmiHeader.biBitCount <= 8)) colors = 1 << info->bmiHeader.biBitCount; return sizeof(BITMAPINFOHEADER) + colors * ((coloruse == DIB_RGB_COLORS) ? sizeof(RGBQUAD) : sizeof(WORD)); } } /*********************************************************************** * is_dib_monochrome * * Returns whether a DIB can be converted to a monochrome DDB. * * A DIB can be converted if its color table contains only black and * white. Black must be the first color in the color table. * * Note : If the first color in the color table is white followed by * black, we can't convert it to a monochrome DDB with * SetDIBits, because black and white would be inverted. */ static BOOL is_dib_monochrome( const BITMAPINFO* info ) { if (info->bmiHeader.biBitCount != 1) return FALSE; if (info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER)) { const RGBTRIPLE *rgb = ((const BITMAPCOREINFO*)info)->bmciColors; /* Check if the first color is black */ if ((rgb->rgbtRed == 0) && (rgb->rgbtGreen == 0) && (rgb->rgbtBlue == 0)) { rgb++; /* Check if the second color is white */ return ((rgb->rgbtRed == 0xff) && (rgb->rgbtGreen == 0xff) && (rgb->rgbtBlue == 0xff)); } else return FALSE; } else /* assume BITMAPINFOHEADER */ { const RGBQUAD *rgb = info->bmiColors; /* Check if the first color is black */ if ((rgb->rgbRed == 0) && (rgb->rgbGreen == 0) && (rgb->rgbBlue == 0) && (rgb->rgbReserved == 0)) { rgb++; /* Check if the second color is white */ return ((rgb->rgbRed == 0xff) && (rgb->rgbGreen == 0xff) && (rgb->rgbBlue == 0xff) && (rgb->rgbReserved == 0)); } else return FALSE; } } /*********************************************************************** * DIB_GetBitmapInfo * * Get the info from a bitmap header. * Return 1 for INFOHEADER, 0 for COREHEADER, * 4 for V4HEADER, 5 for V5HEADER, -1 for error. */ static int DIB_GetBitmapInfo( const BITMAPINFOHEADER *header, LONG *width, LONG *height, WORD *bpp, DWORD *compr ) { if (header->biSize == sizeof(BITMAPINFOHEADER)) { *width = header->biWidth; *height = header->biHeight; *bpp = header->biBitCount; *compr = header->biCompression; return 1; } if (header->biSize == sizeof(BITMAPCOREHEADER)) { const BITMAPCOREHEADER *core = (const BITMAPCOREHEADER *)header; *width = core->bcWidth; *height = core->bcHeight; *bpp = core->bcBitCount; *compr = 0; return 0; } if (header->biSize == sizeof(BITMAPV4HEADER)) { const BITMAPV4HEADER *v4hdr = (const BITMAPV4HEADER *)header; *width = v4hdr->bV4Width; *height = v4hdr->bV4Height; *bpp = v4hdr->bV4BitCount; *compr = v4hdr->bV4V4Compression; return 4; } if (header->biSize == sizeof(BITMAPV5HEADER)) { const BITMAPV5HEADER *v5hdr = (const BITMAPV5HEADER *)header; *width = v5hdr->bV5Width; *height = v5hdr->bV5Height; *bpp = v5hdr->bV5BitCount; *compr = v5hdr->bV5Compression; return 5; } ERR("(%d): unknown/wrong size for header\n", header->biSize ); return -1; } /********************************************************************** * CURSORICON_FindSharedIcon */ static HICON CURSORICON_FindSharedIcon( HMODULE hModule, HRSRC hRsrc ) { HICON hIcon = 0; ICONCACHE *ptr; EnterCriticalSection( &IconCrst ); for ( ptr = IconAnchor; ptr; ptr = ptr->next ) if ( ptr->hModule == hModule && ptr->hRsrc == hRsrc ) { ptr->count++; hIcon = ptr->hIcon; break; } LeaveCriticalSection( &IconCrst ); return hIcon; } /************************************************************************* * 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(HICON hIcon) { 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 ( hIcon == ptr->hIcon ) { IsFound = TRUE; pRet = ptr; } } LeaveCriticalSection( &IconCrst ); return pRet; } /********************************************************************** * CURSORICON_AddSharedIcon */ static void CURSORICON_AddSharedIcon( HMODULE hModule, HRSRC hRsrc, HRSRC hGroupRsrc, HICON hIcon ) { ICONCACHE *ptr = HeapAlloc( GetProcessHeap(), 0, sizeof(ICONCACHE) ); if ( !ptr ) return; ptr->hModule = hModule; ptr->hRsrc = hRsrc; ptr->hIcon = hIcon; ptr->hGroupRsrc = hGroupRsrc; ptr->count = 1; EnterCriticalSection( &IconCrst ); ptr->next = IconAnchor; IconAnchor = ptr; LeaveCriticalSection( &IconCrst ); } /********************************************************************** * CURSORICON_DelSharedIcon */ static INT CURSORICON_DelSharedIcon( HICON hIcon ) { INT count = -1; ICONCACHE *ptr; EnterCriticalSection( &IconCrst ); for ( ptr = IconAnchor; ptr; ptr = ptr->next ) if ( ptr->hIcon == hIcon ) { if ( ptr->count > 0 ) ptr->count--; count = ptr->count; break; } LeaveCriticalSection( &IconCrst ); return count; } /********************************************************************** * CURSORICON_FreeModuleIcons */ void CURSORICON_FreeModuleIcons( HMODULE16 hMod16 ) { ICONCACHE **ptr = &IconAnchor; HMODULE hModule = HMODULE_32(GetExePtr( hMod16 )); EnterCriticalSection( &IconCrst ); while ( *ptr ) { if ( (*ptr)->hModule == hModule ) { ICONCACHE *freePtr = *ptr; *ptr = freePtr->next; GlobalFree16(HICON_16(freePtr->hIcon)); HeapFree( GetProcessHeap(), 0, freePtr ); continue; } ptr = &(*ptr)->next; } LeaveCriticalSection( &IconCrst ); } /* * The following macro functions account for the irregularities of * accessing cursor and icon resources in files and resource entries. */ typedef BOOL (*fnGetCIEntry)( LPVOID dir, int n, int *width, int *height, int *bits ); /********************************************************************** * CURSORICON_FindBestIcon * * Find the icon closest to the requested size and number of colors. */ static int CURSORICON_FindBestIcon( LPVOID dir, fnGetCIEntry get_entry, int width, int height, int colors ) { int i, cx, cy, bits, bestEntry = -1; UINT iTotalDiff, iXDiff=0, iYDiff=0, iColorDiff; UINT iTempXDiff, iTempYDiff, iTempColorDiff; /* Find Best Fit */ iTotalDiff = 0xFFFFFFFF; iColorDiff = 0xFFFFFFFF; for ( i = 0; get_entry( dir, i, &cx, &cy, &bits ); i++ ) { iTempXDiff = abs(width - cx); iTempYDiff = abs(height - cy); if(iTotalDiff > (iTempXDiff + iTempYDiff)) { iXDiff = iTempXDiff; iYDiff = iTempYDiff; iTotalDiff = iXDiff + iYDiff; } } /* Find Best Colors for Best Fit */ for ( i = 0; get_entry( dir, i, &cx, &cy, &bits ); i++ ) { if(abs(width - cx) == iXDiff && abs(height - cy) == iYDiff) { iTempColorDiff = abs(colors - (1< iTempColorDiff) { bestEntry = i; iColorDiff = iTempColorDiff; } } } return bestEntry; } static BOOL CURSORICON_GetResIconEntry( LPVOID dir, int n, int *width, int *height, int *bits ) { CURSORICONDIR *resdir = dir; ICONRESDIR *icon; if ( resdir->idCount <= n ) return FALSE; icon = &resdir->idEntries[n].ResInfo.icon; *width = icon->bWidth; *height = icon->bHeight; *bits = resdir->idEntries[n].wBitCount; return TRUE; } /********************************************************************** * CURSORICON_FindBestCursor * * Find the cursor closest to the requested size. * FIXME: parameter 'color' ignored and entries with more than 1 bpp * ignored too */ static int CURSORICON_FindBestCursor( LPVOID dir, fnGetCIEntry get_entry, int width, int height, int color ) { int i, maxwidth, maxheight, cx, cy, bits, bestEntry = -1; /* 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; get_entry( dir, i, &cx, &cy, &bits ); i++ ) { if ((cx <= width) && (cy <= height) && (cx > maxwidth) && (cy > maxheight) && (bits == 1)) { bestEntry = i; maxwidth = cx; maxheight = cy; } } if (bestEntry != -1) return bestEntry; /* Now find the smallest one larger than the requested size */ maxwidth = maxheight = 255; for ( i = 0; get_entry( dir, i, &cx, &cy, &bits ); i++ ) { if (((cx < maxwidth) && (cy < maxheight) && (bits == 1)) || (bestEntry==-1)) { bestEntry = i; maxwidth = cx; maxheight = cy; } } return bestEntry; } static BOOL CURSORICON_GetResCursorEntry( LPVOID dir, int n, int *width, int *height, int *bits ) { CURSORICONDIR *resdir = dir; CURSORDIR *cursor; if ( resdir->idCount <= n ) return FALSE; cursor = &resdir->idEntries[n].ResInfo.cursor; *width = cursor->wWidth; *height = cursor->wHeight; *bits = resdir->idEntries[n].wBitCount; return TRUE; } static CURSORICONDIRENTRY *CURSORICON_FindBestIconRes( CURSORICONDIR * dir, int width, int height, int colors ) { int n; n = CURSORICON_FindBestIcon( dir, CURSORICON_GetResIconEntry, width, height, colors ); if ( n < 0 ) return NULL; return &dir->idEntries[n]; } static CURSORICONDIRENTRY *CURSORICON_FindBestCursorRes( CURSORICONDIR *dir, int width, int height, int color ) { int n = CURSORICON_FindBestCursor( dir, CURSORICON_GetResCursorEntry, width, height, color ); if ( n < 0 ) return NULL; return &dir->idEntries[n]; } static BOOL CURSORICON_GetFileEntry( LPVOID dir, int n, int *width, int *height, int *bits ) { CURSORICONFILEDIR *filedir = dir; CURSORICONFILEDIRENTRY *entry; if ( filedir->idCount <= n ) return FALSE; entry = &filedir->idEntries[n]; *width = entry->bWidth; *height = entry->bHeight; *bits = entry->bColorCount; return TRUE; } static CURSORICONFILEDIRENTRY *CURSORICON_FindBestCursorFile( CURSORICONFILEDIR *dir, int width, int height, int color ) { int n = CURSORICON_FindBestCursor( dir, CURSORICON_GetFileEntry, width, height, color ); if ( n < 0 ) return NULL; return &dir->idEntries[n]; } static CURSORICONFILEDIRENTRY *CURSORICON_FindBestIconFile( CURSORICONFILEDIR *dir, int width, int height, int color ) { int n = CURSORICON_FindBestIcon( dir, CURSORICON_GetFileEntry, width, height, color ); if ( n < 0 ) return NULL; return &dir->idEntries[n]; } /********************************************************************** * CreateIconFromResourceEx (USER32.@) * * FIXME: Convert to mono when cFlag is LR_MONOCHROME. Do something * with cbSize parameter as well. */ HICON WINAPI CreateIconFromResourceEx( LPBYTE bits, UINT cbSize, BOOL bIcon, DWORD dwVersion, INT width, INT height, UINT cFlag ) { HGLOBAL16 hObj; static HDC hdcMem; int sizeAnd, sizeXor; HBITMAP hAndBits = 0, hXorBits = 0; /* error condition for later */ BITMAP bmpXor, bmpAnd; POINT16 hotspot; BITMAPINFO *bmi; BOOL DoStretch; INT size; hotspot.x = ICON_HOTSPOT; hotspot.y = ICON_HOTSPOT; TRACE_(cursor)("%p (%u bytes), ver %08x, %ix%i %s %s\n", bits, cbSize, (unsigned)dwVersion, width, height, bIcon ? "icon" : "cursor", (cFlag & 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 = bitmap_info_size( 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 (!screen_dc) screen_dc = CreateDCW( DISPLAYW, NULL, NULL, NULL ); if (screen_dc) { 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 = 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(screen_dc, width, height); } else { hXorBits = CreateBitmap(width, height, 1, 1, NULL); } if(hXorBits) { HBITMAP hOld; BOOL res = FALSE; if (!hdcMem) hdcMem = CreateCompatibleDC(screen_dc); if (hdcMem) { hOld = SelectObject(hdcMem, hXorBits); res = StretchDIBits(hdcMem, 0, 0, width, height, 0, 0, bmi->bmiHeader.biWidth, bmi->bmiHeader.biHeight/2, (char*)bmi + size, pInfo, DIB_RGB_COLORS, SRCCOPY); SelectObject(hdcMem, hOld); } if (!res) { DeleteObject(hXorBits); hXorBits = 0; } } } else { if (is_dib_monochrome(bmi)) { hXorBits = CreateBitmap(width, height, 1, 1, NULL); SetDIBits(screen_dc, hXorBits, 0, height, (char*)bmi + size, pInfo, DIB_RGB_COLORS); } else hXorBits = CreateDIBitmap(screen_dc, &pInfo->bmiHeader, CBM_INIT, (char*)bmi + size, pInfo, DIB_RGB_COLORS); } if( hXorBits ) { char* xbits = (char *)bmi + size + get_dib_width_bytes( bmi->bmiHeader.biWidth, bmi->bmiHeader.biBitCount ) * abs( bmi->bmiHeader.biHeight ) / 2; pInfo->bmiHeader.biBitCount = 1; if (pInfo->bmiHeader.biSize != sizeof(BITMAPCOREHEADER)) { 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; BOOL res = FALSE; if (!hdcMem) hdcMem = CreateCompatibleDC(screen_dc); if (hdcMem) { hOld = SelectObject(hdcMem, hAndBits); res = StretchDIBits(hdcMem, 0, 0, width, height, 0, 0, pInfo->bmiHeader.biWidth, pInfo->bmiHeader.biHeight, xbits, pInfo, DIB_RGB_COLORS, SRCCOPY); SelectObject(hdcMem, hOld); } if (!res) { DeleteObject(hAndBits); hAndBits = 0; } } } else { hAndBits = CreateBitmap(width, height, 1, 1, NULL); if (hAndBits) SetDIBits(screen_dc, hAndBits, 0, height, xbits, pInfo, DIB_RGB_COLORS); } if( !hAndBits ) DeleteObject( hXorBits ); } HeapFree( GetProcessHeap(), 0, pInfo ); } } if( !hXorBits || !hAndBits ) { WARN_(cursor)("\tunable to create an icon bitmap.\n"); return 0; } /* Now create the CURSORICONINFO structure */ GetObjectA( hXorBits, sizeof(bmpXor), &bmpXor ); GetObjectA( hAndBits, sizeof(bmpAnd), &bmpAnd ); sizeXor = bmpXor.bmHeight * bmpXor.bmWidthBytes; sizeAnd = bmpAnd.bmHeight * bmpAnd.bmWidthBytes; hObj = GlobalAlloc16( GMEM_MOVEABLE, sizeof(CURSORICONINFO) + sizeXor + sizeAnd ); if (hObj) { CURSORICONINFO *info; info = (CURSORICONINFO *)GlobalLock16( hObj ); info->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; /* Transfer the bitmap bits to the CURSORICONINFO structure */ GetBitmapBits( hAndBits, sizeAnd, (char *)(info + 1) ); GetBitmapBits( hXorBits, sizeXor, (char *)(info + 1) + sizeAnd ); GlobalUnlock16( hObj ); } DeleteObject( hAndBits ); DeleteObject( hXorBits ); return HICON_32((HICON16)hObj); } /********************************************************************** * CreateIconFromResource (USER32.@) */ HICON WINAPI CreateIconFromResource( LPBYTE bits, UINT cbSize, BOOL bIcon, DWORD dwVersion) { return CreateIconFromResourceEx( bits, cbSize, bIcon, dwVersion, 0,0,0); } static HICON CURSORICON_LoadFromFile( LPCWSTR filename, INT width, INT height, INT colors, BOOL fCursor, UINT loadflags) { CURSORICONFILEDIRENTRY *entry; CURSORICONFILEDIR *dir; DWORD filesize = 0; HICON hIcon = 0; LPBYTE bits; TRACE("loading %s\n", debugstr_w( filename )); bits = map_fileW( filename, &filesize ); if (!bits) return hIcon; dir = (CURSORICONFILEDIR*) bits; if ( filesize < sizeof(*dir) ) goto end; if ( filesize < (sizeof(*dir) + sizeof(dir->idEntries[0])*(dir->idCount-1)) ) goto end; if ( fCursor ) entry = CURSORICON_FindBestCursorFile( dir, width, height, 1 ); else entry = CURSORICON_FindBestIconFile( dir, width, height, colors ); if ( !entry ) goto end; /* check that we don't run off the end of the file */ if ( entry->dwDIBOffset > filesize ) goto end; if ( entry->dwDIBOffset + entry->dwDIBSize > filesize ) goto end; hIcon = CreateIconFromResourceEx( &bits[entry->dwDIBOffset], entry->dwDIBSize, !fCursor, 0x00030000, width, height, loadflags ); end: TRACE("loaded %s -> %p\n", debugstr_w( filename ), hIcon ); UnmapViewOfFile( bits ); return hIcon; } /********************************************************************** * CURSORICON_Load * * Load a cursor or icon from resource or file. */ static HICON CURSORICON_Load(HINSTANCE hInstance, LPCWSTR name, INT width, INT height, INT colors, BOOL fCursor, UINT loadflags) { HANDLE handle = 0; HICON hIcon = 0; HRSRC hRsrc, hGroupRsrc; CURSORICONDIR *dir; CURSORICONDIRENTRY *dirEntry; LPBYTE bits; WORD wResId; DWORD dwBytesInRes; if ( loadflags & LR_LOADFROMFILE ) /* Load from file */ return CURSORICON_LoadFromFile( name, width, height, colors, fCursor, loadflags ); if (!hInstance) hInstance = user32_module; /* Load OEM cursor/icon */ /* Normalize hInstance (must be uniquely represented for icon cache) */ if (!HIWORD( hInstance )) hInstance = HINSTANCE_32(GetExePtr( HINSTANCE_16(hInstance) )); /* Get directory resource ID */ if (!(hRsrc = FindResourceW( hInstance, name, (LPWSTR)(fCursor ? RT_GROUP_CURSOR : RT_GROUP_ICON) ))) return 0; hGroupRsrc = hRsrc; /* Find the best entry in the directory */ if (!(handle = LoadResource( hInstance, hRsrc ))) return 0; if (!(dir = (CURSORICONDIR*)LockResource( handle ))) return 0; if (fCursor) dirEntry = CURSORICON_FindBestCursorRes( dir, width, height, 1); else dirEntry = CURSORICON_FindBestIconRes( 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), (LPWSTR)(fCursor ? RT_CURSOR : RT_ICON) ))) return 0; /* If shared icon, check whether it was already loaded */ if ( (loadflags & LR_SHARED) && (hIcon = CURSORICON_FindSharedIcon( hInstance, hRsrc ) ) != 0 ) return hIcon; if (!(handle = LoadResource( hInstance, hRsrc ))) return 0; bits = (LPBYTE)LockResource( handle ); hIcon = CreateIconFromResourceEx( bits, dwBytesInRes, !fCursor, 0x00030000, width, height, loadflags); FreeResource( handle ); /* If shared icon, add to icon cache */ if ( hIcon && (loadflags & LR_SHARED) ) CURSORICON_AddSharedIcon( hInstance, hRsrc, hGroupRsrc, hIcon ); return hIcon; } /*********************************************************************** * CURSORICON_Copy * * Make a copy of a cursor or icon. */ static HICON CURSORICON_Copy( HINSTANCE16 hInst16, HICON hIcon ) { char *ptrOld, *ptrNew; int size; HICON16 hOld = HICON_16(hIcon); HICON16 hNew; if (!(ptrOld = (char *)GlobalLock16( hOld ))) return 0; if (hInst16 && !(hInst16 = GetExePtr( hInst16 ))) return 0; size = GlobalSize16( hOld ); hNew = GlobalAlloc16( GMEM_MOVEABLE, size ); FarSetOwner16( hNew, hInst16 ); ptrNew = (char *)GlobalLock16( hNew ); memcpy( ptrNew, ptrOld, size ); GlobalUnlock16( hOld ); GlobalUnlock16( hNew ); return HICON_32(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 CreateIconFromResourceEx. * LR_COPYFROMRESOURCE will only work if the Image is in the Cache. * * */ static HICON CURSORICON_ExtCopy(HICON hIcon, UINT nType, INT iDesiredCX, INT iDesiredCY, UINT nFlags) { HICON hNew=0; TRACE_(icon)("hIcon %p, nType %u, iDesiredCX %i, iDesiredCY %i, nFlags %u\n", hIcon, nType, iDesiredCX, iDesiredCY, nFlags); if(hIcon == 0) { return 0; } /* Best Fit or Monochrome */ if( (nFlags & LR_COPYFROMRESOURCE && (iDesiredCX > 0 || iDesiredCY > 0)) || nFlags & LR_MONOCHROME) { ICONCACHE* pIconCache = CURSORICON_FindCache(hIcon); /* Not Found in Cache, then do a straight copy */ if(pIconCache == NULL) { hNew = CURSORICON_Copy(0, hIcon); if(nFlags & LR_COPYFROMRESOURCE) { TRACE_(icon)("LR_COPYFROMRESOURCE: Failed to load from cache\n"); } } else { int iTargetCY = iDesiredCY, iTargetCX = iDesiredCX; 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); } /* Retrieve the CURSORICONDIRENTRY */ if (!(hMem = LoadResource( pIconCache->hModule , pIconCache->hGroupRsrc))) { return 0; } if (!(pDir = (CURSORICONDIR*)LockResource( hMem ))) { return 0; } /* Find Best Fit */ if(bIsIcon) { pDirEntry = CURSORICON_FindBestIconRes( pDir, iDesiredCX, iDesiredCY, 256 ); } else { pDirEntry = (CURSORICONDIRENTRY *)CURSORICON_FindBestCursorRes( pDir, iDesiredCX, iDesiredCY, 1); } wResId = pDirEntry->wResId; dwBytesInRes = pDirEntry->dwBytesInRes; FreeResource(hMem); TRACE_(icon)("ResID %u, BytesInRes %u, 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), (LPWSTR)(bIsIcon ? RT_ICON : RT_CURSOR)))) { return 0; } if (!(hMem = LoadResource( pIconCache->hModule , hRsrc ))) { return 0; } 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 = CreateIconFromResourceEx( pBits, dwBytesInRes, bIsIcon, 0x00030000, iTargetCX, iTargetCY, nFlags); FreeResource(hMem); } } else hNew = CURSORICON_Copy(0, hIcon); return hNew; } /*********************************************************************** * CreateCursor (USER32.@) */ 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 HICON_32(CreateCursorIconIndirect16(0, &info, lpANDbits, lpXORbits)); } /*********************************************************************** * CreateIcon (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 ); } /*********************************************************************** * CreateIcon (USER32.@) * * Creates an icon based on the specified bitmaps. The bitmaps must be * provided in a device dependent format and will be resized to * (SM_CXICON,SM_CYICON) and depth converted to match the screen's color * depth. The provided bitmaps must be top-down bitmaps. * Although Windows does not support 15bpp(*) this API must support it * for Winelib applications. * * (*) Windows does not support 15bpp but it supports the 555 RGB 16bpp * format! * * RETURNS * Success: handle to an icon * Failure: NULL * * BUGS * * - The provided bitmaps are not resized! * - The documentation says the lpXORbits bitmap must be in a device * dependent format. But we must still resize it and perform depth * conversions if necessary. * - I'm a bit unsure about the how the 'device dependent format' thing works. * I did some tests on windows and found that if you provide a 16bpp bitmap * in lpXORbits, then its format but be 565 RGB if the screen's bit depth * is 16bpp but it must be 555 RGB if the screen's bit depth is anything * else. I don't know if this is part of the GDI specs or if this is a * quirk of the graphics card driver. * - You may think that we check whether the bit depths match or not * as an optimization. But the truth is that the conversion using * CreateDIBitmap does not work for some bit depth (e.g. 8bpp) and I have * no idea why. * - I'm pretty sure that all the things we do in CreateIcon should * also be done in CreateIconIndirect... */ HICON WINAPI CreateIcon( HINSTANCE hInstance, /* [in] the application's hInstance */ INT nWidth, /* [in] the width of the provided bitmaps */ INT nHeight, /* [in] the height of the provided bitmaps */ BYTE bPlanes, /* [in] the number of planes in the provided bitmaps */ BYTE bBitsPixel, /* [in] the number of bits per pixel of the lpXORbits bitmap */ LPCVOID lpANDbits, /* [in] a monochrome bitmap representing the icon's mask */ LPCVOID lpXORbits) /* [in] the icon's 'color' bitmap */ { HICON hIcon; HDC hdc; TRACE_(icon)("%dx%dx%d, xor=%p, and=%p\n", nWidth, nHeight, bPlanes * bBitsPixel, lpXORbits, lpANDbits); hdc=GetDC(0); if (!hdc) return 0; if (GetDeviceCaps(hdc,BITSPIXEL)==bBitsPixel) { CURSORICONINFO info; 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; hIcon=HICON_32(CreateCursorIconIndirect16(0, &info, lpANDbits, lpXORbits)); } else { ICONINFO iinfo; BITMAPINFO bmi; iinfo.fIcon=TRUE; iinfo.xHotspot=ICON_HOTSPOT; iinfo.yHotspot=ICON_HOTSPOT; iinfo.hbmMask=CreateBitmap(nWidth,nHeight,1,1,lpANDbits); bmi.bmiHeader.biSize=sizeof(bmi.bmiHeader); bmi.bmiHeader.biWidth=nWidth; bmi.bmiHeader.biHeight=-nHeight; bmi.bmiHeader.biPlanes=bPlanes; bmi.bmiHeader.biBitCount=bBitsPixel; bmi.bmiHeader.biCompression=BI_RGB; bmi.bmiHeader.biSizeImage=0; bmi.bmiHeader.biXPelsPerMeter=0; bmi.bmiHeader.biYPelsPerMeter=0; bmi.bmiHeader.biClrUsed=0; bmi.bmiHeader.biClrImportant=0; iinfo.hbmColor = CreateDIBitmap( hdc, &bmi.bmiHeader, CBM_INIT, lpXORbits, &bmi, DIB_RGB_COLORS ); hIcon=CreateIconIndirect(&iinfo); DeleteObject(iinfo.hbmMask); DeleteObject(iinfo.hbmColor); } ReleaseDC(0,hdc); return hIcon; } /*********************************************************************** * 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 = get_bitmap_width_bytes(info->nWidth,info->bBitsPerPixel); sizeXor = info->nHeight * info->nWidthBytes; sizeAnd = info->nHeight * get_bitmap_width_bytes( info->nWidth, 1 ); if (!(handle = GlobalAlloc16( GMEM_MOVEABLE, sizeof(CURSORICONINFO) + sizeXor + sizeAnd))) return 0; 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; } /*********************************************************************** * CopyIcon (USER.368) */ HICON16 WINAPI CopyIcon16( HINSTANCE16 hInstance, HICON16 hIcon ) { TRACE_(icon)("%04x %04x\n", hInstance, hIcon ); return HICON_16(CURSORICON_Copy(hInstance, HICON_32(hIcon))); } /*********************************************************************** * CopyIcon (USER32.@) */ HICON WINAPI CopyIcon( HICON hIcon ) { TRACE_(icon)("%p\n", hIcon ); return CURSORICON_Copy( 0, hIcon ); } /*********************************************************************** * CopyCursor (USER.369) */ HCURSOR16 WINAPI CopyCursor16( HINSTANCE16 hInstance, HCURSOR16 hCursor ) { TRACE_(cursor)("%04x %04x\n", hInstance, hCursor ); return HICON_16(CURSORICON_Copy(hInstance, HCURSOR_32(hCursor))); } /********************************************************************** * DestroyIcon32 (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 DestroyIcon32( HGLOBAL16 handle, UINT16 flags ) { WORD retv; TRACE_(icon)("(%04x, %04x)\n", handle, flags ); /* Check whether destroying active cursor */ if ( get_user_thread_info()->cursor == HICON_32(handle) ) { WARN_(cursor)("Destroying active cursor!\n" ); SetCursor( 0 ); } /* Try shared cursor/icon first */ if ( !(flags & CID_NONSHARED) ) { INT count = CURSORICON_DelSharedIcon(HICON_32(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; } /*********************************************************************** * DestroyIcon (USER32.@) */ BOOL WINAPI DestroyIcon( HICON hIcon ) { return DestroyIcon32(HICON_16(hIcon), CID_WIN32); } /*********************************************************************** * DestroyCursor (USER32.@) */ BOOL WINAPI DestroyCursor( HCURSOR hCursor ) { return DestroyIcon32(HCURSOR_16(hCursor), CID_WIN32); } /*********************************************************************** * DrawIcon (USER32.@) */ 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_16(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 * get_bitmap_width_bytes(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_16(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 = MapSL( pInfo ); int sizeAnd, sizeXor; if (!info) return 0; sizeXor = info->nHeight * info->nWidthBytes; sizeAnd = info->nHeight * get_bitmap_width_bytes( 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 ); } /*********************************************************************** * SetCursor (USER32.@) * * Set the cursor shape. * * RETURNS * A handle to the previous cursor shape. */ HCURSOR WINAPI SetCursor( HCURSOR hCursor /* [in] Handle of cursor to show */ ) { struct user_thread_info *thread_info = get_user_thread_info(); HCURSOR hOldCursor; if (hCursor == thread_info->cursor) return hCursor; /* No change */ TRACE_(cursor)("%p\n", hCursor ); hOldCursor = thread_info->cursor; thread_info->cursor = hCursor; /* Change the cursor shape only if it is visible */ if (thread_info->cursor_count >= 0) { USER_Driver->pSetCursor( (CURSORICONINFO*)GlobalLock16(HCURSOR_16(hCursor)) ); GlobalUnlock16(HCURSOR_16(hCursor)); } return hOldCursor; } /*********************************************************************** * ShowCursor (USER32.@) */ INT WINAPI ShowCursor( BOOL bShow ) { struct user_thread_info *thread_info = get_user_thread_info(); TRACE_(cursor)("%d, count=%d\n", bShow, thread_info->cursor_count ); if (bShow) { if (++thread_info->cursor_count == 0) /* Show it */ { USER_Driver->pSetCursor((CURSORICONINFO*)GlobalLock16(HCURSOR_16(thread_info->cursor))); GlobalUnlock16(HCURSOR_16(thread_info->cursor)); } } else { if (--thread_info->cursor_count == -1) /* Hide it */ USER_Driver->pSetCursor( NULL ); } return thread_info->cursor_count; } /*********************************************************************** * GetCursor (USER32.@) */ HCURSOR WINAPI GetCursor(void) { return get_user_thread_info()->cursor; } /*********************************************************************** * ClipCursor (USER32.@) */ BOOL WINAPI ClipCursor( const RECT *rect ) { RECT virt; SetRect( &virt, 0, 0, GetSystemMetrics( SM_CXVIRTUALSCREEN ), GetSystemMetrics( SM_CYVIRTUALSCREEN ) ); OffsetRect( &virt, GetSystemMetrics( SM_XVIRTUALSCREEN ), GetSystemMetrics( SM_YVIRTUALSCREEN ) ); if (!IntersectRect( &CURSOR_ClipRect, &virt, rect )) CURSOR_ClipRect = virt; return TRUE; } /*********************************************************************** * GetClipCursor (USER32.@) */ BOOL WINAPI GetClipCursor( RECT *rect ) { /* If this is first time - initialize the rect */ if (IsRectEmpty( &CURSOR_ClipRect )) ClipCursor( NULL ); return CopyRect( rect, &CURSOR_ClipRect ); } /*********************************************************************** * SetSystemCursor (USER32.@) */ BOOL WINAPI SetSystemCursor(HCURSOR hcur, DWORD id) { FIXME("(%p,%08x),stub!\n", hcur, id); return TRUE; } /********************************************************************** * LookupIconIdFromDirectoryEx (USER.364) * * FIXME: exact parameter sizes */ INT16 WINAPI LookupIconIdFromDirectoryEx16( LPBYTE dir, BOOL16 bIcon, INT16 width, INT16 height, UINT16 cFlag ) { return LookupIconIdFromDirectoryEx( dir, bIcon, width, height, cFlag ); } /********************************************************************** * LookupIconIdFromDirectoryEx (USER32.@) */ INT WINAPI LookupIconIdFromDirectoryEx( LPBYTE xdir, BOOL bIcon, INT width, INT height, UINT cFlag ) { CURSORICONDIR *dir = (CURSORICONDIR*)xdir; UINT 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_FindBestIconRes( dir, width, height, colors ); else entry = CURSORICON_FindBestCursorRes( dir, width, height, 1); if( entry ) retVal = entry->wResId; } else WARN_(cursor)("invalid resource directory\n"); return retVal; } /********************************************************************** * 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.@) */ 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_CURSOR: return (WORD)LookupIconIdFromDirectoryEx16( lpDir, FALSE, GetSystemMetrics(SM_CXCURSOR), GetSystemMetrics(SM_CYCURSOR), LR_MONOCHROME ); case RT_ICON: return (WORD)LookupIconIdFromDirectoryEx16( lpDir, TRUE, GetSystemMetrics(SM_CXICON), GetSystemMetrics(SM_CYICON), 0 ); default: WARN_(cursor)("invalid res type %d\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; } /********************************************************************** * LoadIconHandler (USER.456) */ HICON16 WINAPI LoadIconHandler16( HGLOBAL16 hResource, BOOL16 bNew ) { LPBYTE bits = (LPBYTE)LockResource16( hResource ); TRACE_(cursor)("hRes=%04x\n",hResource); return HICON_16(CreateIconFromResourceEx( bits, 0, TRUE, bNew ? 0x00030000 : 0x00020000, 0, 0, LR_DEFAULTCOLOR)); } /*********************************************************************** * LoadCursorW (USER32.@) */ HCURSOR WINAPI LoadCursorW(HINSTANCE hInstance, LPCWSTR name) { return LoadImageW( hInstance, name, IMAGE_CURSOR, 0, 0, LR_SHARED | LR_DEFAULTSIZE ); } /*********************************************************************** * LoadCursorA (USER32.@) */ HCURSOR WINAPI LoadCursorA(HINSTANCE hInstance, LPCSTR name) { return LoadImageA( hInstance, name, IMAGE_CURSOR, 0, 0, LR_SHARED | LR_DEFAULTSIZE ); } /*********************************************************************** * LoadCursorFromFileW (USER32.@) */ HCURSOR WINAPI LoadCursorFromFileW (LPCWSTR name) { return LoadImageW( 0, name, IMAGE_CURSOR, 0, 0, LR_LOADFROMFILE | LR_DEFAULTSIZE ); } /*********************************************************************** * LoadCursorFromFileA (USER32.@) */ HCURSOR WINAPI LoadCursorFromFileA (LPCSTR name) { return LoadImageA( 0, name, IMAGE_CURSOR, 0, 0, LR_LOADFROMFILE | LR_DEFAULTSIZE ); } /*********************************************************************** * LoadIconW (USER32.@) */ HICON WINAPI LoadIconW(HINSTANCE hInstance, LPCWSTR name) { return LoadImageW( hInstance, name, IMAGE_ICON, 0, 0, LR_SHARED | LR_DEFAULTSIZE ); } /*********************************************************************** * LoadIconA (USER32.@) */ HICON WINAPI LoadIconA(HINSTANCE hInstance, LPCSTR name) { return LoadImageA( hInstance, name, IMAGE_ICON, 0, 0, LR_SHARED | LR_DEFAULTSIZE ); } /********************************************************************** * GetIconInfo (USER32.@) */ BOOL WINAPI GetIconInfo(HICON hIcon, PICONINFO iconinfo) { CURSORICONINFO *ciconinfo; INT height; ciconinfo = GlobalLock16(HICON_16(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; } if (ciconinfo->bBitsPerPixel > 1) { iconinfo->hbmColor = CreateBitmap( ciconinfo->nWidth, ciconinfo->nHeight, ciconinfo->bPlanes, ciconinfo->bBitsPerPixel, (char *)(ciconinfo + 1) + ciconinfo->nHeight * get_bitmap_width_bytes (ciconinfo->nWidth,1) ); height = ciconinfo->nHeight; } else { iconinfo->hbmColor = 0; height = ciconinfo->nHeight * 2; } iconinfo->hbmMask = CreateBitmap ( ciconinfo->nWidth, height, 1, 1, (char *)(ciconinfo + 1)); GlobalUnlock16(HICON_16(hIcon)); return TRUE; } /********************************************************************** * CreateIconIndirect (USER32.@) */ HICON WINAPI CreateIconIndirect(PICONINFO iconinfo) { BITMAP bmpXor,bmpAnd; HICON16 hObj; int sizeXor,sizeAnd; if (iconinfo->hbmColor) GetObjectA( iconinfo->hbmColor, sizeof(bmpXor), &bmpXor ); GetObjectA( iconinfo->hbmMask, sizeof(bmpAnd), &bmpAnd ); sizeXor = iconinfo->hbmColor ? (bmpXor.bmHeight * bmpXor.bmWidthBytes) : 0; sizeAnd = bmpAnd.bmHeight * bmpAnd.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; } if (iconinfo->hbmColor) { info->nWidth = bmpXor.bmWidth; info->nHeight = bmpXor.bmHeight; info->nWidthBytes = bmpXor.bmWidthBytes; info->bPlanes = bmpXor.bmPlanes; info->bBitsPerPixel = bmpXor.bmBitsPixel; } else { info->nWidth = bmpAnd.bmWidth; info->nHeight = bmpAnd.bmHeight / 2; info->nWidthBytes = bmpAnd.bmWidthBytes; info->bPlanes = bmpAnd.bmPlanes; info->bBitsPerPixel = bmpAnd.bmBitsPixel; } /* Transfer the bitmap bits to the CURSORICONINFO structure */ GetBitmapBits( iconinfo->hbmMask, sizeAnd, (char*)(info + 1) ); if (iconinfo->hbmColor) GetBitmapBits( iconinfo->hbmColor, sizeXor, (char*)(info + 1) + sizeAnd ); GlobalUnlock16( hObj ); } return HICON_32(hObj); } /****************************************************************************** * DrawIconEx (USER32.@) 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_16(hIcon)); HDC hDC_off = 0, hMemDC; BOOL result = FALSE, DoOffscreen; HBITMAP hB_off = 0, hOld = 0; if (!ptr) return FALSE; TRACE_(icon)("(hdc=%p,pos=%d.%d,hicon=%p,extend=%d.%d,istep=%d,br=%p,flags=0x%08x)\n", hdc,x0,y0,hIcon,cxWidth,cyWidth,istep,hbr,flags ); hMemDC = CreateCompatibleDC (hdc); if (istep) FIXME_(icon)("Ignoring istep=%d\n", istep); if (flags & DI_COMPAT) FIXME_(icon)("Ignoring flag DI_COMPAT\n"); if (!flags) { FIXME_(icon)("no flags set? setting to DI_NORMAL\n"); flags = DI_NORMAL; } /* 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; } DoOffscreen = (GetObjectType( hbr ) == OBJ_BRUSH); 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 * get_bitmap_width_bytes(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_16(hIcon)); return result; } /*********************************************************************** * DIB_FixColorsToLoadflags * * Change color table entries when LR_LOADTRANSPARENT or LR_LOADMAP3DCOLORS * are in loadflags */ static void DIB_FixColorsToLoadflags(BITMAPINFO * bmi, UINT loadflags, BYTE pix) { int colors; COLORREF c_W, c_S, c_F, c_L, c_C; int incr,i; RGBQUAD *ptr; int bitmap_type; LONG width; LONG height; WORD bpp; DWORD compr; if (((bitmap_type = DIB_GetBitmapInfo((BITMAPINFOHEADER*) bmi, &width, &height, &bpp, &compr)) == -1)) { WARN_(resource)("Invalid bitmap\n"); return; } if (bpp > 8) return; if (bitmap_type == 0) /* BITMAPCOREHEADER */ { incr = 3; colors = 1 << bpp; } else { incr = 4; colors = bmi->bmiHeader.biClrUsed; if (colors > 256) colors = 256; if (!colors && (bpp <= 8)) colors = 1 << bpp; } c_W = GetSysColor(COLOR_WINDOW); c_S = GetSysColor(COLOR_3DSHADOW); c_F = GetSysColor(COLOR_3DFACE); c_L = GetSysColor(COLOR_3DLIGHT); if (loadflags & LR_LOADTRANSPARENT) { switch (bpp) { case 1: pix = pix >> 7; break; case 4: pix = pix >> 4; break; case 8: break; default: WARN_(resource)("(%d): Unsupported depth\n", bpp); return; } if (pix >= colors) { WARN_(resource)("pixel has color index greater than biClrUsed!\n"); return; } if (loadflags & LR_LOADMAP3DCOLORS) c_W = c_F; ptr = (RGBQUAD*)((char*)bmi->bmiColors+pix*incr); ptr->rgbBlue = GetBValue(c_W); ptr->rgbGreen = GetGValue(c_W); ptr->rgbRed = GetRValue(c_W); } if (loadflags & LR_LOADMAP3DCOLORS) for (i=0; ibmiColors+i*incr); c_C = RGB(ptr->rgbRed, ptr->rgbGreen, ptr->rgbBlue); if (c_C == RGB(128, 128, 128)) { ptr->rgbRed = GetRValue(c_S); ptr->rgbGreen = GetGValue(c_S); ptr->rgbBlue = GetBValue(c_S); } else if (c_C == RGB(192, 192, 192)) { ptr->rgbRed = GetRValue(c_F); ptr->rgbGreen = GetGValue(c_F); ptr->rgbBlue = GetBValue(c_F); } else if (c_C == RGB(223, 223, 223)) { ptr->rgbRed = GetRValue(c_L); ptr->rgbGreen = GetGValue(c_L); ptr->rgbBlue = GetBValue(c_L); } } } /********************************************************************** * BITMAP_Load */ static HBITMAP BITMAP_Load( HINSTANCE instance, LPCWSTR name, INT desiredx, INT desiredy, UINT loadflags ) { HBITMAP hbitmap = 0, orig_bm; HRSRC hRsrc; HGLOBAL handle; char *ptr = NULL; BITMAPINFO *info, *fix_info = NULL, *scaled_info = NULL; int size; BYTE pix; char *bits; LONG width, height, new_width, new_height; WORD bpp_dummy; DWORD compr_dummy; INT bm_type; HDC screen_mem_dc = NULL; if (!(loadflags & LR_LOADFROMFILE)) { if (!instance) { /* OEM bitmap: try to load the resource from user32.dll */ instance = user32_module; } if (!(hRsrc = FindResourceW( instance, name, (LPWSTR)RT_BITMAP ))) return 0; if (!(handle = LoadResource( instance, hRsrc ))) return 0; if ((info = (BITMAPINFO *)LockResource( handle )) == NULL) return 0; } else { if (!(ptr = map_fileW( name, NULL ))) return 0; info = (BITMAPINFO *)(ptr + sizeof(BITMAPFILEHEADER)); } size = bitmap_info_size(info, DIB_RGB_COLORS); fix_info = HeapAlloc(GetProcessHeap(), 0, size); scaled_info = HeapAlloc(GetProcessHeap(), 0, size); if (!fix_info || !scaled_info) goto end; memcpy(fix_info, info, size); pix = *((LPBYTE)info + size); DIB_FixColorsToLoadflags(fix_info, loadflags, pix); memcpy(scaled_info, fix_info, size); bm_type = DIB_GetBitmapInfo( &fix_info->bmiHeader, &width, &height, &bpp_dummy, &compr_dummy); if(desiredx != 0) new_width = desiredx; else new_width = width; if(desiredy != 0) new_height = height > 0 ? desiredy : -desiredy; else new_height = height; if(bm_type == 0) { BITMAPCOREHEADER *core = (BITMAPCOREHEADER *)&scaled_info->bmiHeader; core->bcWidth = new_width; core->bcHeight = new_height; } else { scaled_info->bmiHeader.biWidth = new_width; scaled_info->bmiHeader.biHeight = new_height; } if (new_height < 0) new_height = -new_height; if (!screen_dc) screen_dc = CreateDCW( DISPLAYW, NULL, NULL, NULL ); if (!(screen_mem_dc = CreateCompatibleDC( screen_dc ))) goto end; bits = (char *)info + size; if (loadflags & LR_CREATEDIBSECTION) { scaled_info->bmiHeader.biCompression = 0; /* DIBSection can't be compressed */ hbitmap = CreateDIBSection(screen_dc, scaled_info, DIB_RGB_COLORS, NULL, 0, 0); } else { if (is_dib_monochrome(fix_info)) hbitmap = CreateBitmap(new_width, new_height, 1, 1, NULL); else hbitmap = CreateCompatibleBitmap(screen_dc, new_width, new_height); } orig_bm = SelectObject(screen_mem_dc, hbitmap); StretchDIBits(screen_mem_dc, 0, 0, new_width, new_height, 0, 0, width, height, bits, fix_info, DIB_RGB_COLORS, SRCCOPY); SelectObject(screen_mem_dc, orig_bm); end: if (screen_mem_dc) DeleteDC(screen_mem_dc); HeapFree(GetProcessHeap(), 0, scaled_info); HeapFree(GetProcessHeap(), 0, fix_info); if (loadflags & LR_LOADFROMFILE) UnmapViewOfFile( ptr ); return hbitmap; } /********************************************************************** * LoadImageA (USER32.@) * * See LoadImageW. */ HANDLE WINAPI LoadImageA( HINSTANCE hinst, LPCSTR name, UINT type, INT desiredx, INT desiredy, UINT loadflags) { HANDLE res; LPWSTR u_name; if (!HIWORD(name)) return LoadImageW(hinst, (LPCWSTR)name, type, desiredx, desiredy, loadflags); __TRY { DWORD len = MultiByteToWideChar( CP_ACP, 0, name, -1, NULL, 0 ); u_name = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ); MultiByteToWideChar( CP_ACP, 0, name, -1, u_name, len ); } __EXCEPT_PAGE_FAULT { SetLastError( ERROR_INVALID_PARAMETER ); return 0; } __ENDTRY res = LoadImageW(hinst, u_name, type, desiredx, desiredy, loadflags); HeapFree(GetProcessHeap(), 0, u_name); return res; } /****************************************************************************** * LoadImageW (USER32.@) Loads an icon, cursor, or bitmap * * PARAMS * hinst [I] Handle of instance that contains image * name [I] Name of image * type [I] Type of image * desiredx [I] Desired width * desiredy [I] Desired height * loadflags [I] Load flags * * RETURNS * Success: Handle to newly loaded image * Failure: NULL * * FIXME: Implementation lacks some features, see LR_ defines in winuser.h */ HANDLE WINAPI LoadImageW( HINSTANCE hinst, LPCWSTR name, UINT type, INT desiredx, INT desiredy, UINT loadflags ) { TRACE_(resource)("(%p,%s,%d,%d,%d,0x%08x)\n", hinst,debugstr_w(name),type,desiredx,desiredy,loadflags); if (loadflags & LR_DEFAULTSIZE) { if (type == IMAGE_ICON) { if (!desiredx) desiredx = GetSystemMetrics(SM_CXICON); if (!desiredy) desiredy = GetSystemMetrics(SM_CYICON); } else if (type == IMAGE_CURSOR) { if (!desiredx) desiredx = GetSystemMetrics(SM_CXCURSOR); if (!desiredy) desiredy = GetSystemMetrics(SM_CYCURSOR); } } if (loadflags & LR_LOADFROMFILE) loadflags &= ~LR_SHARED; switch (type) { case IMAGE_BITMAP: return BITMAP_Load( hinst, name, desiredx, desiredy, loadflags ); case IMAGE_ICON: if (!screen_dc) screen_dc = CreateDCW( DISPLAYW, NULL, NULL, NULL ); if (screen_dc) { UINT palEnts = GetSystemPaletteEntries(screen_dc, 0, 0, NULL); if (palEnts == 0) palEnts = 256; return CURSORICON_Load(hinst, name, desiredx, desiredy, palEnts, FALSE, loadflags); } break; case IMAGE_CURSOR: return CURSORICON_Load(hinst, name, desiredx, desiredy, 1, TRUE, loadflags); } return 0; } /****************************************************************************** * CopyImage (USER32.@) Creates new image and copies attributes to it * * PARAMS * hnd [I] Handle to image to copy * type [I] Type of image to copy * desiredx [I] Desired width of new image * desiredy [I] Desired height of new image * flags [I] Copy flags * * RETURNS * Success: Handle to newly created image * Failure: NULL * * BUGS * Only Windows NT 4.0 supports the LR_COPYRETURNORG flag for bitmaps, * all other versions (95/2000/XP have been tested) ignore it. * * NOTES * If LR_CREATEDIBSECTION is absent, the copy will be monochrome for * a monochrome source bitmap or if LR_MONOCHROME is present, otherwise * the copy will have the same depth as the screen. * The content of the image will only be copied if the bit depth of the * original image is compatible with the bit depth of the screen, or * if the source is a DIB section. * The LR_MONOCHROME flag is ignored if LR_CREATEDIBSECTION is present. */ HANDLE WINAPI CopyImage( HANDLE hnd, UINT type, INT desiredx, INT desiredy, UINT flags ) { TRACE("hnd=%p, type=%u, desiredx=%d, desiredy=%d, flags=%x\n", hnd, type, desiredx, desiredy, flags); switch (type) { case IMAGE_BITMAP: { HBITMAP res = NULL; DIBSECTION ds; int objSize; BITMAPINFO * bi; objSize = GetObjectW( hnd, sizeof(ds), &ds ); if (!objSize) return 0; if ((desiredx < 0) || (desiredy < 0)) return 0; if (flags & LR_COPYFROMRESOURCE) { FIXME("The flag LR_COPYFROMRESOURCE is not implemented for bitmaps\n"); } if (desiredx == 0) desiredx = ds.dsBm.bmWidth; if (desiredy == 0) desiredy = ds.dsBm.bmHeight; /* Allocate memory for a BITMAPINFOHEADER structure and a color table. The maximum number of colors in a color table is 256 which corresponds to a bitmap with depth 8. Bitmaps with higher depths don't have color tables. */ bi = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD)); if (!bi) return 0; bi->bmiHeader.biSize = sizeof(bi->bmiHeader); bi->bmiHeader.biPlanes = ds.dsBm.bmPlanes; bi->bmiHeader.biBitCount = ds.dsBm.bmBitsPixel; bi->bmiHeader.biCompression = BI_RGB; if (flags & LR_CREATEDIBSECTION) { /* Create a DIB section. LR_MONOCHROME is ignored */ void * bits; HDC dc = CreateCompatibleDC(NULL); if (objSize == sizeof(DIBSECTION)) { /* The source bitmap is a DIB. Get its attributes to create an exact copy */ memcpy(bi, &ds.dsBmih, sizeof(BITMAPINFOHEADER)); } /* Get the color table or the color masks */ GetDIBits(dc, hnd, 0, ds.dsBm.bmHeight, NULL, bi, DIB_RGB_COLORS); bi->bmiHeader.biWidth = desiredx; bi->bmiHeader.biHeight = desiredy; bi->bmiHeader.biSizeImage = 0; res = CreateDIBSection(dc, bi, DIB_RGB_COLORS, &bits, NULL, 0); DeleteDC(dc); } else { /* Create a device-dependent bitmap */ BOOL monochrome = (flags & LR_MONOCHROME); if (objSize == sizeof(DIBSECTION)) { /* The source bitmap is a DIB section. Get its attributes */ HDC dc = CreateCompatibleDC(NULL); bi->bmiHeader.biSize = sizeof(bi->bmiHeader); bi->bmiHeader.biBitCount = ds.dsBm.bmBitsPixel; GetDIBits(dc, hnd, 0, ds.dsBm.bmHeight, NULL, bi, DIB_RGB_COLORS); DeleteDC(dc); if (!monochrome && ds.dsBm.bmBitsPixel == 1) { /* Look if the colors of the DIB are black and white */ monochrome = (bi->bmiColors[0].rgbRed == 0xff && bi->bmiColors[0].rgbGreen == 0xff && bi->bmiColors[0].rgbBlue == 0xff && bi->bmiColors[0].rgbReserved == 0 && bi->bmiColors[1].rgbRed == 0 && bi->bmiColors[1].rgbGreen == 0 && bi->bmiColors[1].rgbBlue == 0 && bi->bmiColors[1].rgbReserved == 0) || (bi->bmiColors[0].rgbRed == 0 && bi->bmiColors[0].rgbGreen == 0 && bi->bmiColors[0].rgbBlue == 0 && bi->bmiColors[0].rgbReserved == 0 && bi->bmiColors[1].rgbRed == 0xff && bi->bmiColors[1].rgbGreen == 0xff && bi->bmiColors[1].rgbBlue == 0xff && bi->bmiColors[1].rgbReserved == 0); } } else if (!monochrome) { monochrome = ds.dsBm.bmBitsPixel == 1; } if (monochrome) { res = CreateBitmap(desiredx, desiredy, 1, 1, NULL); } else { HDC screenDC = GetDC(NULL); res = CreateCompatibleBitmap(screenDC, desiredx, desiredy); ReleaseDC(NULL, screenDC); } } if (res) { /* Only copy the bitmap if it's a DIB section or if it's compatible to the screen */ BOOL copyContents; if (objSize == sizeof(DIBSECTION)) { copyContents = TRUE; } else { HDC screenDC = GetDC(NULL); int screen_depth = GetDeviceCaps(screenDC, BITSPIXEL); ReleaseDC(NULL, screenDC); copyContents = (ds.dsBm.bmBitsPixel == 1 || ds.dsBm.bmBitsPixel == screen_depth); } if (copyContents) { /* The source bitmap may already be selected in a device context, use GetDIBits/StretchDIBits and not StretchBlt */ HDC dc; void * bits; dc = CreateCompatibleDC(NULL); bi->bmiHeader.biWidth = ds.dsBm.bmWidth; bi->bmiHeader.biHeight = ds.dsBm.bmHeight; bi->bmiHeader.biSizeImage = 0; bi->bmiHeader.biClrUsed = 0; bi->bmiHeader.biClrImportant = 0; /* Fill in biSizeImage */ GetDIBits(dc, hnd, 0, ds.dsBm.bmHeight, NULL, bi, DIB_RGB_COLORS); bits = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, bi->bmiHeader.biSizeImage); if (bits) { HBITMAP oldBmp; /* Get the image bits of the source bitmap */ GetDIBits(dc, hnd, 0, ds.dsBm.bmHeight, bits, bi, DIB_RGB_COLORS); /* Copy it to the destination bitmap */ oldBmp = SelectObject(dc, res); StretchDIBits(dc, 0, 0, desiredx, desiredy, 0, 0, ds.dsBm.bmWidth, ds.dsBm.bmHeight, bits, bi, DIB_RGB_COLORS, SRCCOPY); SelectObject(dc, oldBmp); HeapFree(GetProcessHeap(), 0, bits); } DeleteDC(dc); } if (flags & LR_COPYDELETEORG) { DeleteObject(hnd); } } HeapFree(GetProcessHeap(), 0, bi); return res; } case IMAGE_ICON: return CURSORICON_ExtCopy(hnd,type, desiredx, desiredy, flags); case IMAGE_CURSOR: /* Should call CURSORICON_ExtCopy but more testing * needs to be done before we change this */ if (flags) FIXME("Flags are ignored\n"); return CopyCursor(hnd); } return 0; } /****************************************************************************** * LoadBitmapW (USER32.@) Loads bitmap from the executable file * * RETURNS * Success: Handle to specified bitmap * Failure: NULL */ HBITMAP WINAPI LoadBitmapW( HINSTANCE instance, /* [in] Handle to application instance */ LPCWSTR name) /* [in] Address of bitmap resource name */ { return LoadImageW( instance, name, IMAGE_BITMAP, 0, 0, 0 ); } /********************************************************************** * LoadBitmapA (USER32.@) * * See LoadBitmapW. */ HBITMAP WINAPI LoadBitmapA( HINSTANCE instance, LPCSTR name ) { return LoadImageA( instance, name, IMAGE_BITMAP, 0, 0, 0 ); }