2 * Cursor and icon support
4 * Copyright 1995 Alexandre Julliard
5 * 1996 Martin Von Loewis
7 * 1998 Turchanov Sergey
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
26 #include "wine/port.h"
37 #include "wine/exception.h"
38 #include "wine/server.h"
40 #include "user_private.h"
41 #include "wine/debug.h"
43 WINE_DEFAULT_DEBUG_CHANNEL(cursor
);
44 WINE_DECLARE_DEBUG_CHANNEL(icon
);
45 WINE_DECLARE_DEBUG_CHANNEL(resource
);
58 } CURSORICONFILEDIRENTRY
;
65 CURSORICONFILEDIRENTRY idEntries
[1];
70 static RECT CURSOR_ClipRect
; /* Cursor clipping rect */
74 static const WCHAR DISPLAYW
[] = {'D','I','S','P','L','A','Y',0};
77 /**********************************************************************
78 * ICONCACHE for cursors/icons loaded with LR_SHARED.
80 * FIXME: This should not be allocated on the system heap, but on a
81 * subsystem-global heap (i.e. one for all Win16 processes,
82 * and one for each Win32 process).
84 typedef struct tagICONCACHE
86 struct tagICONCACHE
*next
;
97 static ICONCACHE
*IconAnchor
= NULL
;
99 static CRITICAL_SECTION IconCrst
;
100 static CRITICAL_SECTION_DEBUG critsect_debug
=
103 { &critsect_debug
.ProcessLocksList
, &critsect_debug
.ProcessLocksList
},
104 0, 0, { (DWORD_PTR
)(__FILE__
": IconCrst") }
106 static CRITICAL_SECTION IconCrst
= { &critsect_debug
, -1, 0, 0, 0, 0 };
109 /**********************************************************************
110 * User objects management
113 struct cursoricon_object
115 struct user_object obj
; /* object header */
116 ULONG_PTR param
; /* opaque param used by 16-bit code */
117 HBITMAP color
; /* color bitmap */
118 HBITMAP alpha
; /* pre-multiplied alpha bitmap for 32-bpp icons */
119 HBITMAP mask
; /* mask bitmap (followed by color for 1-bpp icons) */
120 BOOL is_icon
; /* whether icon or cursor */
126 static HICON
alloc_icon_handle(void)
128 struct cursoricon_object
*obj
= HeapAlloc( GetProcessHeap(), 0, sizeof(*obj
) );
134 return alloc_user_handle( &obj
->obj
, USER_ICON
);
137 static struct cursoricon_object
*get_icon_ptr( HICON handle
)
139 struct cursoricon_object
*obj
= get_user_handle_ptr( handle
, USER_ICON
);
140 if (obj
== OBJ_OTHER_PROCESS
)
142 WARN( "icon handle %p from other process\n", handle
);
148 static void release_icon_ptr( HICON handle
, struct cursoricon_object
*ptr
)
150 release_user_handle_ptr( ptr
);
153 static BOOL
free_icon_handle( HICON handle
)
155 struct cursoricon_object
*obj
= free_user_handle( handle
, USER_ICON
);
157 if (obj
== OBJ_OTHER_PROCESS
) WARN( "icon handle %p from other process\n", handle
);
160 ULONG_PTR param
= obj
->param
;
161 if (obj
->color
) DeleteObject( obj
->color
);
162 if (obj
->alpha
) DeleteObject( obj
->alpha
);
163 DeleteObject( obj
->mask
);
164 HeapFree( GetProcessHeap(), 0, obj
);
165 if (wow_handlers
.free_icon_param
&& param
) wow_handlers
.free_icon_param( param
);
166 USER_Driver
->pDestroyCursorIcon( handle
);
172 ULONG_PTR
get_icon_param( HICON handle
)
175 struct cursoricon_object
*obj
= get_user_handle_ptr( handle
, USER_ICON
);
177 if (obj
== OBJ_OTHER_PROCESS
) WARN( "icon handle %p from other process\n", handle
);
181 release_user_handle_ptr( obj
);
186 ULONG_PTR
set_icon_param( HICON handle
, ULONG_PTR param
)
189 struct cursoricon_object
*obj
= get_user_handle_ptr( handle
, USER_ICON
);
191 if (obj
== OBJ_OTHER_PROCESS
) WARN( "icon handle %p from other process\n", handle
);
196 release_user_handle_ptr( obj
);
202 /***********************************************************************
205 * Helper function to map a file to memory:
207 * [RETURN] ptr - pointer to mapped file
208 * [RETURN] filesize - pointer size of file to be stored if not NULL
210 static void *map_fileW( LPCWSTR name
, LPDWORD filesize
)
212 HANDLE hFile
, hMapping
;
215 hFile
= CreateFileW( name
, GENERIC_READ
, FILE_SHARE_READ
, NULL
,
216 OPEN_EXISTING
, FILE_FLAG_RANDOM_ACCESS
, 0 );
217 if (hFile
!= INVALID_HANDLE_VALUE
)
219 hMapping
= CreateFileMappingW( hFile
, NULL
, PAGE_READONLY
, 0, 0, NULL
);
222 ptr
= MapViewOfFile( hMapping
, FILE_MAP_READ
, 0, 0, 0 );
223 CloseHandle( hMapping
);
225 *filesize
= GetFileSize( hFile
, NULL
);
227 CloseHandle( hFile
);
233 /***********************************************************************
234 * get_dib_width_bytes
236 * Return the width of a DIB bitmap in bytes. DIB bitmap data is 32-bit aligned.
238 static int get_dib_width_bytes( int width
, int depth
)
244 case 1: words
= (width
+ 31) / 32; break;
245 case 4: words
= (width
+ 7) / 8; break;
246 case 8: words
= (width
+ 3) / 4; break;
248 case 16: words
= (width
+ 1) / 2; break;
249 case 24: words
= (width
* 3 + 3)/4; break;
251 WARN("(%d): Unsupported depth\n", depth
);
260 /***********************************************************************
263 * Return the size of the bitmap info structure including color table.
265 static int bitmap_info_size( const BITMAPINFO
* info
, WORD coloruse
)
267 unsigned int colors
, size
, masks
= 0;
269 if (info
->bmiHeader
.biSize
== sizeof(BITMAPCOREHEADER
))
271 const BITMAPCOREHEADER
*core
= (const BITMAPCOREHEADER
*)info
;
272 colors
= (core
->bcBitCount
<= 8) ? 1 << core
->bcBitCount
: 0;
273 return sizeof(BITMAPCOREHEADER
) + colors
*
274 ((coloruse
== DIB_RGB_COLORS
) ? sizeof(RGBTRIPLE
) : sizeof(WORD
));
276 else /* assume BITMAPINFOHEADER */
278 colors
= info
->bmiHeader
.biClrUsed
;
279 if (colors
> 256) /* buffer overflow otherwise */
281 if (!colors
&& (info
->bmiHeader
.biBitCount
<= 8))
282 colors
= 1 << info
->bmiHeader
.biBitCount
;
283 if (info
->bmiHeader
.biCompression
== BI_BITFIELDS
) masks
= 3;
284 size
= max( info
->bmiHeader
.biSize
, sizeof(BITMAPINFOHEADER
) + masks
* sizeof(DWORD
) );
285 return size
+ colors
* ((coloruse
== DIB_RGB_COLORS
) ? sizeof(RGBQUAD
) : sizeof(WORD
));
290 /***********************************************************************
293 * Helper function to duplicate a bitmap.
295 static HBITMAP
copy_bitmap( HBITMAP bitmap
)
301 if (!bitmap
) return 0;
302 if (!GetObjectW( bitmap
, sizeof(bmp
), &bmp
)) return 0;
304 src
= CreateCompatibleDC( 0 );
305 dst
= CreateCompatibleDC( 0 );
306 SelectObject( src
, bitmap
);
307 new_bitmap
= CreateCompatibleBitmap( src
, bmp
.bmWidth
, bmp
.bmHeight
);
308 SelectObject( dst
, new_bitmap
);
309 BitBlt( dst
, 0, 0, bmp
.bmWidth
, bmp
.bmHeight
, src
, 0, 0, SRCCOPY
);
316 /***********************************************************************
319 * Returns whether a DIB can be converted to a monochrome DDB.
321 * A DIB can be converted if its color table contains only black and
322 * white. Black must be the first color in the color table.
324 * Note : If the first color in the color table is white followed by
325 * black, we can't convert it to a monochrome DDB with
326 * SetDIBits, because black and white would be inverted.
328 static BOOL
is_dib_monochrome( const BITMAPINFO
* info
)
330 if (info
->bmiHeader
.biBitCount
!= 1) return FALSE
;
332 if (info
->bmiHeader
.biSize
== sizeof(BITMAPCOREHEADER
))
334 const RGBTRIPLE
*rgb
= ((const BITMAPCOREINFO
*)info
)->bmciColors
;
336 /* Check if the first color is black */
337 if ((rgb
->rgbtRed
== 0) && (rgb
->rgbtGreen
== 0) && (rgb
->rgbtBlue
== 0))
341 /* Check if the second color is white */
342 return ((rgb
->rgbtRed
== 0xff) && (rgb
->rgbtGreen
== 0xff)
343 && (rgb
->rgbtBlue
== 0xff));
347 else /* assume BITMAPINFOHEADER */
349 const RGBQUAD
*rgb
= info
->bmiColors
;
351 /* Check if the first color is black */
352 if ((rgb
->rgbRed
== 0) && (rgb
->rgbGreen
== 0) &&
353 (rgb
->rgbBlue
== 0) && (rgb
->rgbReserved
== 0))
357 /* Check if the second color is white */
358 return ((rgb
->rgbRed
== 0xff) && (rgb
->rgbGreen
== 0xff)
359 && (rgb
->rgbBlue
== 0xff) && (rgb
->rgbReserved
== 0));
365 /***********************************************************************
368 * Get the info from a bitmap header.
369 * Return 1 for INFOHEADER, 0 for COREHEADER,
371 static int DIB_GetBitmapInfo( const BITMAPINFOHEADER
*header
, LONG
*width
,
372 LONG
*height
, WORD
*bpp
, DWORD
*compr
)
374 if (header
->biSize
== sizeof(BITMAPCOREHEADER
))
376 const BITMAPCOREHEADER
*core
= (const BITMAPCOREHEADER
*)header
;
377 *width
= core
->bcWidth
;
378 *height
= core
->bcHeight
;
379 *bpp
= core
->bcBitCount
;
383 else if (header
->biSize
>= sizeof(BITMAPINFOHEADER
))
385 *width
= header
->biWidth
;
386 *height
= header
->biHeight
;
387 *bpp
= header
->biBitCount
;
388 *compr
= header
->biCompression
;
391 ERR("(%d): unknown/wrong size for header\n", header
->biSize
);
395 /**********************************************************************
396 * CURSORICON_FindSharedIcon
398 static HICON
CURSORICON_FindSharedIcon( HMODULE hModule
, HRSRC hRsrc
)
403 EnterCriticalSection( &IconCrst
);
405 for ( ptr
= IconAnchor
; ptr
; ptr
= ptr
->next
)
406 if ( ptr
->hModule
== hModule
&& ptr
->hRsrc
== hRsrc
)
413 LeaveCriticalSection( &IconCrst
);
418 /*************************************************************************
419 * CURSORICON_FindCache
421 * Given a handle, find the corresponding cache element
424 * Handle [I] handle to an Image
427 * Success: The cache entry
431 static ICONCACHE
* CURSORICON_FindCache(HICON hIcon
)
434 ICONCACHE
*pRet
=NULL
;
435 BOOL IsFound
= FALSE
;
437 EnterCriticalSection( &IconCrst
);
439 for (ptr
= IconAnchor
; ptr
!= NULL
&& !IsFound
; ptr
= ptr
->next
)
441 if ( hIcon
== ptr
->hIcon
)
448 LeaveCriticalSection( &IconCrst
);
453 /**********************************************************************
454 * CURSORICON_AddSharedIcon
456 static void CURSORICON_AddSharedIcon( HMODULE hModule
, HRSRC hRsrc
, HRSRC hGroupRsrc
, HICON hIcon
)
458 ICONCACHE
*ptr
= HeapAlloc( GetProcessHeap(), 0, sizeof(ICONCACHE
) );
461 ptr
->hModule
= hModule
;
464 ptr
->hGroupRsrc
= hGroupRsrc
;
467 EnterCriticalSection( &IconCrst
);
468 ptr
->next
= IconAnchor
;
470 LeaveCriticalSection( &IconCrst
);
473 /**********************************************************************
474 * CURSORICON_DelSharedIcon
476 static INT
CURSORICON_DelSharedIcon( HICON hIcon
)
481 EnterCriticalSection( &IconCrst
);
483 for ( ptr
= IconAnchor
; ptr
; ptr
= ptr
->next
)
484 if ( ptr
->hIcon
== hIcon
)
486 if ( ptr
->count
> 0 ) ptr
->count
--;
491 LeaveCriticalSection( &IconCrst
);
496 /**********************************************************************
499 BOOL
get_icon_size( HICON handle
, SIZE
*size
)
501 struct cursoricon_object
*info
;
503 if (!(info
= get_icon_ptr( handle
))) return FALSE
;
504 size
->cx
= info
->width
;
505 size
->cy
= info
->height
;
506 release_icon_ptr( handle
, info
);
511 * The following macro functions account for the irregularities of
512 * accessing cursor and icon resources in files and resource entries.
514 typedef BOOL (*fnGetCIEntry
)( LPVOID dir
, int n
,
515 int *width
, int *height
, int *bits
);
517 /**********************************************************************
518 * CURSORICON_FindBestIcon
520 * Find the icon closest to the requested size and bit depth.
522 static int CURSORICON_FindBestIcon( LPVOID dir
, fnGetCIEntry get_entry
,
523 int width
, int height
, int depth
)
525 int i
, cx
, cy
, bits
, bestEntry
= -1;
526 UINT iTotalDiff
, iXDiff
=0, iYDiff
=0, iColorDiff
;
527 UINT iTempXDiff
, iTempYDiff
, iTempColorDiff
;
530 iTotalDiff
= 0xFFFFFFFF;
531 iColorDiff
= 0xFFFFFFFF;
532 for ( i
= 0; get_entry( dir
, i
, &cx
, &cy
, &bits
); i
++ )
534 iTempXDiff
= abs(width
- cx
);
535 iTempYDiff
= abs(height
- cy
);
537 if(iTotalDiff
> (iTempXDiff
+ iTempYDiff
))
541 iTotalDiff
= iXDiff
+ iYDiff
;
545 /* Find Best Colors for Best Fit */
546 for ( i
= 0; get_entry( dir
, i
, &cx
, &cy
, &bits
); i
++ )
548 if(abs(width
- cx
) == iXDiff
&& abs(height
- cy
) == iYDiff
)
550 iTempColorDiff
= abs(depth
- bits
);
551 if(iColorDiff
> iTempColorDiff
)
554 iColorDiff
= iTempColorDiff
;
562 static BOOL
CURSORICON_GetResIconEntry( LPVOID dir
, int n
,
563 int *width
, int *height
, int *bits
)
565 CURSORICONDIR
*resdir
= dir
;
568 if ( resdir
->idCount
<= n
)
570 icon
= &resdir
->idEntries
[n
].ResInfo
.icon
;
571 *width
= icon
->bWidth
;
572 *height
= icon
->bHeight
;
573 *bits
= resdir
->idEntries
[n
].wBitCount
;
577 /**********************************************************************
578 * CURSORICON_FindBestCursor
580 * Find the cursor closest to the requested size.
582 * FIXME: parameter 'color' ignored.
584 static int CURSORICON_FindBestCursor( LPVOID dir
, fnGetCIEntry get_entry
,
585 int width
, int height
, int depth
)
587 int i
, maxwidth
, maxheight
, cx
, cy
, bits
, bestEntry
= -1;
589 /* Double height to account for AND and XOR masks */
593 /* First find the largest one smaller than or equal to the requested size*/
595 maxwidth
= maxheight
= 0;
596 for ( i
= 0; get_entry( dir
, i
, &cx
, &cy
, &bits
); i
++ )
598 if ((cx
<= width
) && (cy
<= height
) &&
599 (cx
> maxwidth
) && (cy
> maxheight
))
606 if (bestEntry
!= -1) return bestEntry
;
608 /* Now find the smallest one larger than the requested size */
610 maxwidth
= maxheight
= 255;
611 for ( i
= 0; get_entry( dir
, i
, &cx
, &cy
, &bits
); i
++ )
613 if (((cx
< maxwidth
) && (cy
< maxheight
)) || (bestEntry
== -1))
624 static BOOL
CURSORICON_GetResCursorEntry( LPVOID dir
, int n
,
625 int *width
, int *height
, int *bits
)
627 CURSORICONDIR
*resdir
= dir
;
630 if ( resdir
->idCount
<= n
)
632 cursor
= &resdir
->idEntries
[n
].ResInfo
.cursor
;
633 *width
= cursor
->wWidth
;
634 *height
= cursor
->wHeight
;
635 *bits
= resdir
->idEntries
[n
].wBitCount
;
639 static CURSORICONDIRENTRY
*CURSORICON_FindBestIconRes( CURSORICONDIR
* dir
,
640 int width
, int height
, int depth
)
644 n
= CURSORICON_FindBestIcon( dir
, CURSORICON_GetResIconEntry
,
645 width
, height
, depth
);
648 return &dir
->idEntries
[n
];
651 static CURSORICONDIRENTRY
*CURSORICON_FindBestCursorRes( CURSORICONDIR
*dir
,
652 int width
, int height
, int depth
)
654 int n
= CURSORICON_FindBestCursor( dir
, CURSORICON_GetResCursorEntry
,
655 width
, height
, depth
);
658 return &dir
->idEntries
[n
];
661 static BOOL
CURSORICON_GetFileEntry( LPVOID dir
, int n
,
662 int *width
, int *height
, int *bits
)
664 CURSORICONFILEDIR
*filedir
= dir
;
665 CURSORICONFILEDIRENTRY
*entry
;
666 BITMAPINFOHEADER
*info
;
668 if ( filedir
->idCount
<= n
)
670 entry
= &filedir
->idEntries
[n
];
671 /* FIXME: check against file size */
672 info
= (BITMAPINFOHEADER
*)((char *)dir
+ entry
->dwDIBOffset
);
673 *width
= entry
->bWidth
;
674 *height
= entry
->bHeight
;
675 *bits
= info
->biBitCount
;
679 static CURSORICONFILEDIRENTRY
*CURSORICON_FindBestCursorFile( CURSORICONFILEDIR
*dir
,
680 int width
, int height
, int depth
)
682 int n
= CURSORICON_FindBestCursor( dir
, CURSORICON_GetFileEntry
,
683 width
, height
, depth
);
686 return &dir
->idEntries
[n
];
689 static CURSORICONFILEDIRENTRY
*CURSORICON_FindBestIconFile( CURSORICONFILEDIR
*dir
,
690 int width
, int height
, int depth
)
692 int n
= CURSORICON_FindBestIcon( dir
, CURSORICON_GetFileEntry
,
693 width
, height
, depth
);
696 return &dir
->idEntries
[n
];
699 /***********************************************************************
702 static BOOL
bmi_has_alpha( const BITMAPINFO
*info
, const void *bits
)
705 BOOL has_alpha
= FALSE
;
706 const unsigned char *ptr
= bits
;
708 if (info
->bmiHeader
.biBitCount
!= 32) return FALSE
;
709 for (i
= 0; i
< info
->bmiHeader
.biWidth
* abs(info
->bmiHeader
.biHeight
); i
++, ptr
+= 4)
710 if ((has_alpha
= (ptr
[3] != 0))) break;
714 /***********************************************************************
715 * create_alpha_bitmap
717 * Create the alpha bitmap for a 32-bpp icon that has an alpha channel.
719 static HBITMAP
create_alpha_bitmap( HBITMAP color
, HBITMAP mask
,
720 const BITMAPINFO
*src_info
, const void *color_bits
)
723 BITMAPINFO
*info
= NULL
;
730 if (!GetObjectW( color
, sizeof(bm
), &bm
)) return 0;
731 if (bm
.bmBitsPixel
!= 32) return 0;
733 if (!(hdc
= CreateCompatibleDC( 0 ))) return 0;
734 if (!(info
= HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO
, bmiColors
[256] )))) goto done
;
735 info
->bmiHeader
.biSize
= sizeof(BITMAPINFOHEADER
);
736 info
->bmiHeader
.biWidth
= bm
.bmWidth
;
737 info
->bmiHeader
.biHeight
= -bm
.bmHeight
;
738 info
->bmiHeader
.biPlanes
= 1;
739 info
->bmiHeader
.biBitCount
= 32;
740 info
->bmiHeader
.biCompression
= BI_RGB
;
741 info
->bmiHeader
.biSizeImage
= bm
.bmWidth
* bm
.bmHeight
* 4;
742 info
->bmiHeader
.biXPelsPerMeter
= 0;
743 info
->bmiHeader
.biYPelsPerMeter
= 0;
744 info
->bmiHeader
.biClrUsed
= 0;
745 info
->bmiHeader
.biClrImportant
= 0;
746 if (!(alpha
= CreateDIBSection( hdc
, info
, DIB_RGB_COLORS
, &bits
, NULL
, 0 ))) goto done
;
750 SelectObject( hdc
, alpha
);
751 StretchDIBits( hdc
, 0, 0, bm
.bmWidth
, bm
.bmHeight
,
752 0, 0, src_info
->bmiHeader
.biWidth
, src_info
->bmiHeader
.biHeight
,
753 color_bits
, src_info
, DIB_RGB_COLORS
, SRCCOPY
);
758 GetDIBits( hdc
, color
, 0, bm
.bmHeight
, bits
, info
, DIB_RGB_COLORS
);
759 if (!bmi_has_alpha( info
, bits
))
761 DeleteObject( alpha
);
767 /* pre-multiply by alpha */
768 for (i
= 0, ptr
= bits
; i
< bm
.bmWidth
* bm
.bmHeight
; i
++, ptr
+= 4)
770 unsigned int alpha
= ptr
[3];
771 ptr
[0] = ptr
[0] * alpha
/ 255;
772 ptr
[1] = ptr
[1] * alpha
/ 255;
773 ptr
[2] = ptr
[2] * alpha
/ 255;
778 HeapFree( GetProcessHeap(), 0, info
);
783 /***********************************************************************
784 * create_icon_bitmaps
786 * Create the color, mask and alpha bitmaps from the DIB info.
788 static BOOL
create_icon_bitmaps( const BITMAPINFO
*bmi
, int width
, int height
,
789 HBITMAP
*color
, HBITMAP
*mask
, HBITMAP
*alpha
)
791 BOOL monochrome
= is_dib_monochrome( bmi
);
792 unsigned int size
= bitmap_info_size( bmi
, DIB_RGB_COLORS
);
794 void *color_bits
, *mask_bits
;
798 if (!(info
= HeapAlloc( GetProcessHeap(), 0, max( size
, FIELD_OFFSET( BITMAPINFO
, bmiColors
[2] )))))
800 if (!(hdc
= CreateCompatibleDC( 0 ))) goto done
;
802 memcpy( info
, bmi
, size
);
803 info
->bmiHeader
.biHeight
/= 2;
805 color_bits
= (char *)bmi
+ size
;
806 mask_bits
= (char *)color_bits
+
807 get_dib_width_bytes( bmi
->bmiHeader
.biWidth
,
808 bmi
->bmiHeader
.biBitCount
) * abs(info
->bmiHeader
.biHeight
);
813 if (!(*mask
= CreateBitmap( width
, height
* 2, 1, 1, NULL
))) goto done
;
816 /* copy color data into second half of mask bitmap */
817 SelectObject( hdc
, *mask
);
818 StretchDIBits( hdc
, 0, height
, width
, height
,
819 0, 0, info
->bmiHeader
.biWidth
, info
->bmiHeader
.biHeight
,
820 color_bits
, info
, DIB_RGB_COLORS
, SRCCOPY
);
824 if (!(*mask
= CreateBitmap( width
, height
, 1, 1, NULL
))) goto done
;
825 if (!(*color
= CreateBitmap( width
, height
, GetDeviceCaps( screen_dc
, PLANES
),
826 GetDeviceCaps( screen_dc
, BITSPIXEL
), NULL
)))
828 DeleteObject( *mask
);
831 SelectObject( hdc
, *color
);
832 StretchDIBits( hdc
, 0, 0, width
, height
,
833 0, 0, info
->bmiHeader
.biWidth
, info
->bmiHeader
.biHeight
,
834 color_bits
, info
, DIB_RGB_COLORS
, SRCCOPY
);
836 if (bmi_has_alpha( info
, color_bits
))
837 *alpha
= create_alpha_bitmap( *color
, *mask
, info
, color_bits
);
839 /* convert info to monochrome to copy the mask */
840 info
->bmiHeader
.biBitCount
= 1;
841 if (info
->bmiHeader
.biSize
!= sizeof(BITMAPCOREHEADER
))
843 RGBQUAD
*rgb
= info
->bmiColors
;
845 info
->bmiHeader
.biClrUsed
= info
->bmiHeader
.biClrImportant
= 2;
846 rgb
[0].rgbBlue
= rgb
[0].rgbGreen
= rgb
[0].rgbRed
= 0x00;
847 rgb
[1].rgbBlue
= rgb
[1].rgbGreen
= rgb
[1].rgbRed
= 0xff;
848 rgb
[0].rgbReserved
= rgb
[1].rgbReserved
= 0;
852 RGBTRIPLE
*rgb
= (RGBTRIPLE
*)(((BITMAPCOREHEADER
*)info
) + 1);
854 rgb
[0].rgbtBlue
= rgb
[0].rgbtGreen
= rgb
[0].rgbtRed
= 0x00;
855 rgb
[1].rgbtBlue
= rgb
[1].rgbtGreen
= rgb
[1].rgbtRed
= 0xff;
859 SelectObject( hdc
, *mask
);
860 StretchDIBits( hdc
, 0, 0, width
, height
,
861 0, 0, info
->bmiHeader
.biWidth
, info
->bmiHeader
.biHeight
,
862 mask_bits
, info
, DIB_RGB_COLORS
, SRCCOPY
);
867 HeapFree( GetProcessHeap(), 0, info
);
871 static HICON
CURSORICON_CreateIconFromBMI( BITMAPINFO
*bmi
,
872 POINT hotspot
, BOOL bIcon
,
874 INT width
, INT height
,
878 HBITMAP color
= 0, mask
= 0, alpha
= 0;
881 if (dwVersion
== 0x00020000)
883 FIXME_(cursor
)("\t2.xx resources are not supported\n");
887 /* Check bitmap header */
889 if ( (bmi
->bmiHeader
.biSize
!= sizeof(BITMAPCOREHEADER
)) &&
890 (bmi
->bmiHeader
.biSize
!= sizeof(BITMAPINFOHEADER
) ||
891 bmi
->bmiHeader
.biCompression
!= BI_RGB
) )
893 WARN_(cursor
)("\tinvalid resource bitmap header.\n");
897 if (!width
) width
= bmi
->bmiHeader
.biWidth
;
898 if (!height
) height
= bmi
->bmiHeader
.biHeight
/2;
899 do_stretch
= (bmi
->bmiHeader
.biHeight
/2 != height
) ||
900 (bmi
->bmiHeader
.biWidth
!= width
);
902 /* Scale the hotspot */
905 hotspot
.x
= width
/ 2;
906 hotspot
.y
= height
/ 2;
910 hotspot
.x
= (hotspot
.x
* width
) / bmi
->bmiHeader
.biWidth
;
911 hotspot
.y
= (hotspot
.y
* height
) / (bmi
->bmiHeader
.biHeight
/ 2);
914 if (!screen_dc
) screen_dc
= CreateDCW( DISPLAYW
, NULL
, NULL
, NULL
);
915 if (!screen_dc
) return 0;
917 if (!create_icon_bitmaps( bmi
, width
, height
, &color
, &mask
, &alpha
)) return 0;
919 hObj
= alloc_icon_handle();
922 struct cursoricon_object
*info
= get_icon_ptr( hObj
);
927 info
->is_icon
= bIcon
;
928 info
->hotspot
= hotspot
;
930 info
->height
= height
;
931 release_icon_ptr( hObj
, info
);
932 USER_Driver
->pCreateCursorIcon( hObj
);
936 DeleteObject( color
);
937 DeleteObject( alpha
);
938 DeleteObject( mask
);
944 /**********************************************************************
945 * .ANI cursor support
947 #define RIFF_FOURCC( c0, c1, c2, c3 ) \
948 ( (DWORD)(BYTE)(c0) | ( (DWORD)(BYTE)(c1) << 8 ) | \
949 ( (DWORD)(BYTE)(c2) << 16 ) | ( (DWORD)(BYTE)(c3) << 24 ) )
951 #define ANI_RIFF_ID RIFF_FOURCC('R', 'I', 'F', 'F')
952 #define ANI_LIST_ID RIFF_FOURCC('L', 'I', 'S', 'T')
953 #define ANI_ACON_ID RIFF_FOURCC('A', 'C', 'O', 'N')
954 #define ANI_anih_ID RIFF_FOURCC('a', 'n', 'i', 'h')
955 #define ANI_seq__ID RIFF_FOURCC('s', 'e', 'q', ' ')
956 #define ANI_fram_ID RIFF_FOURCC('f', 'r', 'a', 'm')
958 #define ANI_FLAG_ICON 0x1
959 #define ANI_FLAG_SEQUENCE 0x2
975 const unsigned char *data
;
978 static void dump_ani_header( const ani_header
*header
)
980 TRACE(" header size: %d\n", header
->header_size
);
981 TRACE(" frames: %d\n", header
->num_frames
);
982 TRACE(" steps: %d\n", header
->num_steps
);
983 TRACE(" width: %d\n", header
->width
);
984 TRACE(" height: %d\n", header
->height
);
985 TRACE(" bpp: %d\n", header
->bpp
);
986 TRACE(" planes: %d\n", header
->num_planes
);
987 TRACE(" display rate: %d\n", header
->display_rate
);
988 TRACE(" flags: 0x%08x\n", header
->flags
);
1010 static void riff_find_chunk( DWORD chunk_id
, DWORD chunk_type
, const riff_chunk_t
*parent_chunk
, riff_chunk_t
*chunk
)
1012 const unsigned char *ptr
= parent_chunk
->data
;
1013 const unsigned char *end
= parent_chunk
->data
+ (parent_chunk
->data_size
- (2 * sizeof(DWORD
)));
1015 if (chunk_type
== ANI_LIST_ID
|| chunk_type
== ANI_RIFF_ID
) end
-= sizeof(DWORD
);
1019 if ((!chunk_type
&& *(const DWORD
*)ptr
== chunk_id
)
1020 || (chunk_type
&& *(const DWORD
*)ptr
== chunk_type
&& *((const DWORD
*)ptr
+ 2) == chunk_id
))
1022 ptr
+= sizeof(DWORD
);
1023 chunk
->data_size
= (*(const DWORD
*)ptr
+ 1) & ~1;
1024 ptr
+= sizeof(DWORD
);
1025 if (chunk_type
== ANI_LIST_ID
|| chunk_type
== ANI_RIFF_ID
) ptr
+= sizeof(DWORD
);
1031 ptr
+= sizeof(DWORD
);
1032 ptr
+= (*(const DWORD
*)ptr
+ 1) & ~1;
1033 ptr
+= sizeof(DWORD
);
1041 * RIFF:'ACON' RIFF chunk
1042 * |- CHUNK:'anih' Header
1043 * |- CHUNK:'seq ' Sequence information (optional)
1044 * \- LIST:'fram' Frame list
1045 * |- CHUNK:icon Cursor frames
1050 static HCURSOR
CURSORICON_CreateIconFromANI( const LPBYTE bits
, DWORD bits_size
,
1051 INT width
, INT height
, INT depth
)
1054 ani_header header
= {0};
1055 LPBYTE frame_bits
= 0;
1057 CURSORICONFILEDIRENTRY
*entry
;
1059 riff_chunk_t root_chunk
= { bits_size
, bits
};
1060 riff_chunk_t ACON_chunk
= {0};
1061 riff_chunk_t anih_chunk
= {0};
1062 riff_chunk_t fram_chunk
= {0};
1063 const unsigned char *icon_data
;
1065 TRACE("bits %p, bits_size %d\n", bits
, bits_size
);
1067 if (!bits
) return 0;
1069 riff_find_chunk( ANI_ACON_ID
, ANI_RIFF_ID
, &root_chunk
, &ACON_chunk
);
1070 if (!ACON_chunk
.data
)
1072 ERR("Failed to get root chunk.\n");
1076 riff_find_chunk( ANI_anih_ID
, 0, &ACON_chunk
, &anih_chunk
);
1077 if (!anih_chunk
.data
)
1079 ERR("Failed to get 'anih' chunk.\n");
1082 memcpy( &header
, anih_chunk
.data
, sizeof(header
) );
1083 dump_ani_header( &header
);
1085 riff_find_chunk( ANI_fram_ID
, ANI_LIST_ID
, &ACON_chunk
, &fram_chunk
);
1086 if (!fram_chunk
.data
)
1088 ERR("Failed to get icon list.\n");
1092 /* FIXME: For now, just load the first frame. Before we can load all the
1093 * frames, we need to write the needed code in wineserver, etc. to handle
1094 * cursors. Once this code is written, we can extend it to support .ani
1095 * cursors and then update user32 and winex11.drv to load all frames.
1097 * Hopefully this will at least make some games (C&C3, etc.) more playable
1100 FIXME("Loading all frames for .ani cursors not implemented.\n");
1101 icon_data
= fram_chunk
.data
+ (2 * sizeof(DWORD
));
1103 entry
= CURSORICON_FindBestIconFile( (CURSORICONFILEDIR
*) icon_data
,
1104 width
, height
, depth
);
1106 frame_bits
= HeapAlloc( GetProcessHeap(), 0, entry
->dwDIBSize
);
1107 memcpy( frame_bits
, icon_data
+ entry
->dwDIBOffset
, entry
->dwDIBSize
);
1109 if (!header
.width
|| !header
.height
)
1111 header
.width
= entry
->bWidth
;
1112 header
.height
= entry
->bHeight
;
1115 hotspot
.x
= entry
->xHotspot
;
1116 hotspot
.y
= entry
->yHotspot
;
1118 cursor
= CURSORICON_CreateIconFromBMI( (BITMAPINFO
*) frame_bits
, hotspot
,
1119 FALSE
, 0x00030000, header
.width
, header
.height
, 0 );
1121 HeapFree( GetProcessHeap(), 0, frame_bits
);
1127 /**********************************************************************
1128 * CreateIconFromResourceEx (USER32.@)
1130 * FIXME: Convert to mono when cFlag is LR_MONOCHROME. Do something
1131 * with cbSize parameter as well.
1133 HICON WINAPI
CreateIconFromResourceEx( LPBYTE bits
, UINT cbSize
,
1134 BOOL bIcon
, DWORD dwVersion
,
1135 INT width
, INT height
,
1141 TRACE_(cursor
)("%p (%u bytes), ver %08x, %ix%i %s %s\n",
1142 bits
, cbSize
, dwVersion
, width
, height
,
1143 bIcon
? "icon" : "cursor", (cFlag
& LR_MONOCHROME
) ? "mono" : "" );
1147 hotspot
.x
= width
/ 2;
1148 hotspot
.y
= height
/ 2;
1149 bmi
= (BITMAPINFO
*)bits
;
1151 else /* get the hotspot */
1153 SHORT
*pt
= (SHORT
*)bits
;
1156 bmi
= (BITMAPINFO
*)(pt
+ 2);
1159 return CURSORICON_CreateIconFromBMI( bmi
, hotspot
, bIcon
, dwVersion
,
1160 width
, height
, cFlag
);
1164 /**********************************************************************
1165 * CreateIconFromResource (USER32.@)
1167 HICON WINAPI
CreateIconFromResource( LPBYTE bits
, UINT cbSize
,
1168 BOOL bIcon
, DWORD dwVersion
)
1170 return CreateIconFromResourceEx( bits
, cbSize
, bIcon
, dwVersion
, 0,0,0);
1174 static HICON
CURSORICON_LoadFromFile( LPCWSTR filename
,
1175 INT width
, INT height
, INT depth
,
1176 BOOL fCursor
, UINT loadflags
)
1178 CURSORICONFILEDIRENTRY
*entry
;
1179 CURSORICONFILEDIR
*dir
;
1185 TRACE("loading %s\n", debugstr_w( filename
));
1187 bits
= map_fileW( filename
, &filesize
);
1191 /* Check for .ani. */
1192 if (memcmp( bits
, "RIFF", 4 ) == 0)
1194 hIcon
= CURSORICON_CreateIconFromANI( bits
, filesize
, width
, height
,
1199 dir
= (CURSORICONFILEDIR
*) bits
;
1200 if ( filesize
< sizeof(*dir
) )
1203 if ( filesize
< (sizeof(*dir
) + sizeof(dir
->idEntries
[0])*(dir
->idCount
-1)) )
1207 entry
= CURSORICON_FindBestCursorFile( dir
, width
, height
, depth
);
1209 entry
= CURSORICON_FindBestIconFile( dir
, width
, height
, depth
);
1214 /* check that we don't run off the end of the file */
1215 if ( entry
->dwDIBOffset
> filesize
)
1217 if ( entry
->dwDIBOffset
+ entry
->dwDIBSize
> filesize
)
1220 hotspot
.x
= entry
->xHotspot
;
1221 hotspot
.y
= entry
->yHotspot
;
1222 hIcon
= CURSORICON_CreateIconFromBMI( (BITMAPINFO
*)&bits
[entry
->dwDIBOffset
],
1223 hotspot
, !fCursor
, 0x00030000,
1224 width
, height
, loadflags
);
1226 TRACE("loaded %s -> %p\n", debugstr_w( filename
), hIcon
);
1227 UnmapViewOfFile( bits
);
1231 /**********************************************************************
1234 * Load a cursor or icon from resource or file.
1236 static HICON
CURSORICON_Load(HINSTANCE hInstance
, LPCWSTR name
,
1237 INT width
, INT height
, INT depth
,
1238 BOOL fCursor
, UINT loadflags
)
1242 HRSRC hRsrc
, hGroupRsrc
;
1244 CURSORICONDIRENTRY
*dirEntry
;
1249 TRACE("%p, %s, %dx%d, depth %d, fCursor %d, flags 0x%04x\n",
1250 hInstance
, debugstr_w(name
), width
, height
, depth
, fCursor
, loadflags
);
1252 if ( loadflags
& LR_LOADFROMFILE
) /* Load from file */
1253 return CURSORICON_LoadFromFile( name
, width
, height
, depth
, fCursor
, loadflags
);
1255 if (!hInstance
) hInstance
= user32_module
; /* Load OEM cursor/icon */
1257 /* don't cache 16-bit instances (FIXME: should never get 16-bit instances in the first place) */
1258 if ((ULONG_PTR
)hInstance
>> 16 == 0) loadflags
&= ~LR_SHARED
;
1260 /* Get directory resource ID */
1262 if (!(hRsrc
= FindResourceW( hInstance
, name
,
1263 (LPWSTR
)(fCursor
? RT_GROUP_CURSOR
: RT_GROUP_ICON
) )))
1267 /* Find the best entry in the directory */
1269 if (!(handle
= LoadResource( hInstance
, hRsrc
))) return 0;
1270 if (!(dir
= LockResource( handle
))) return 0;
1272 dirEntry
= CURSORICON_FindBestCursorRes( dir
, width
, height
, depth
);
1274 dirEntry
= CURSORICON_FindBestIconRes( dir
, width
, height
, depth
);
1275 if (!dirEntry
) return 0;
1276 wResId
= dirEntry
->wResId
;
1277 dwBytesInRes
= dirEntry
->dwBytesInRes
;
1278 FreeResource( handle
);
1280 /* Load the resource */
1282 if (!(hRsrc
= FindResourceW(hInstance
,MAKEINTRESOURCEW(wResId
),
1283 (LPWSTR
)(fCursor
? RT_CURSOR
: RT_ICON
) ))) return 0;
1285 /* If shared icon, check whether it was already loaded */
1286 if ( (loadflags
& LR_SHARED
)
1287 && (hIcon
= CURSORICON_FindSharedIcon( hInstance
, hRsrc
) ) != 0 )
1290 if (!(handle
= LoadResource( hInstance
, hRsrc
))) return 0;
1291 bits
= LockResource( handle
);
1292 hIcon
= CreateIconFromResourceEx( bits
, dwBytesInRes
,
1293 !fCursor
, 0x00030000, width
, height
, loadflags
);
1294 FreeResource( handle
);
1296 /* If shared icon, add to icon cache */
1298 if ( hIcon
&& (loadflags
& LR_SHARED
) )
1299 CURSORICON_AddSharedIcon( hInstance
, hRsrc
, hGroupRsrc
, hIcon
);
1305 /*************************************************************************
1306 * CURSORICON_ExtCopy
1308 * Copies an Image from the Cache if LR_COPYFROMRESOURCE is specified
1311 * Handle [I] handle to an Image
1312 * nType [I] Type of Handle (IMAGE_CURSOR | IMAGE_ICON)
1313 * iDesiredCX [I] The Desired width of the Image
1314 * iDesiredCY [I] The desired height of the Image
1315 * nFlags [I] The flags from CopyImage
1318 * Success: The new handle of the Image
1321 * LR_COPYDELETEORG and LR_MONOCHROME are currently not implemented.
1322 * LR_MONOCHROME should be implemented by CreateIconFromResourceEx.
1323 * LR_COPYFROMRESOURCE will only work if the Image is in the Cache.
1328 static HICON
CURSORICON_ExtCopy(HICON hIcon
, UINT nType
,
1329 INT iDesiredCX
, INT iDesiredCY
,
1334 TRACE_(icon
)("hIcon %p, nType %u, iDesiredCX %i, iDesiredCY %i, nFlags %u\n",
1335 hIcon
, nType
, iDesiredCX
, iDesiredCY
, nFlags
);
1342 /* Best Fit or Monochrome */
1343 if( (nFlags
& LR_COPYFROMRESOURCE
1344 && (iDesiredCX
> 0 || iDesiredCY
> 0))
1345 || nFlags
& LR_MONOCHROME
)
1347 ICONCACHE
* pIconCache
= CURSORICON_FindCache(hIcon
);
1349 /* Not Found in Cache, then do a straight copy
1351 if(pIconCache
== NULL
)
1353 hNew
= CopyIcon( hIcon
);
1354 if(nFlags
& LR_COPYFROMRESOURCE
)
1356 TRACE_(icon
)("LR_COPYFROMRESOURCE: Failed to load from cache\n");
1361 int iTargetCY
= iDesiredCY
, iTargetCX
= iDesiredCX
;
1367 CURSORICONDIR
*pDir
;
1368 CURSORICONDIRENTRY
*pDirEntry
;
1369 BOOL bIsIcon
= (nType
== IMAGE_ICON
);
1371 /* Completing iDesiredCX CY for Monochrome Bitmaps if needed
1373 if(((nFlags
& LR_MONOCHROME
) && !(nFlags
& LR_COPYFROMRESOURCE
))
1374 || (iDesiredCX
== 0 && iDesiredCY
== 0))
1376 iDesiredCY
= GetSystemMetrics(bIsIcon
?
1377 SM_CYICON
: SM_CYCURSOR
);
1378 iDesiredCX
= GetSystemMetrics(bIsIcon
?
1379 SM_CXICON
: SM_CXCURSOR
);
1382 /* Retrieve the CURSORICONDIRENTRY
1384 if (!(hMem
= LoadResource( pIconCache
->hModule
,
1385 pIconCache
->hGroupRsrc
)))
1389 if (!(pDir
= LockResource( hMem
)))
1398 pDirEntry
= CURSORICON_FindBestIconRes(
1399 pDir
, iDesiredCX
, iDesiredCY
, 256 );
1403 pDirEntry
= CURSORICON_FindBestCursorRes(
1404 pDir
, iDesiredCX
, iDesiredCY
, 1);
1407 wResId
= pDirEntry
->wResId
;
1408 dwBytesInRes
= pDirEntry
->dwBytesInRes
;
1411 TRACE_(icon
)("ResID %u, BytesInRes %u, Width %d, Height %d DX %d, DY %d\n",
1412 wResId
, dwBytesInRes
, pDirEntry
->ResInfo
.icon
.bWidth
,
1413 pDirEntry
->ResInfo
.icon
.bHeight
, iDesiredCX
, iDesiredCY
);
1417 if (!(hRsrc
= FindResourceW(pIconCache
->hModule
,
1418 MAKEINTRESOURCEW(wResId
), (LPWSTR
)(bIsIcon
? RT_ICON
: RT_CURSOR
))))
1422 if (!(hMem
= LoadResource( pIconCache
->hModule
, hRsrc
)))
1427 pBits
= LockResource( hMem
);
1429 if(nFlags
& LR_DEFAULTSIZE
)
1431 iTargetCY
= GetSystemMetrics(SM_CYICON
);
1432 iTargetCX
= GetSystemMetrics(SM_CXICON
);
1435 /* Create a New Icon with the proper dimension
1437 hNew
= CreateIconFromResourceEx( pBits
, dwBytesInRes
,
1438 bIsIcon
, 0x00030000, iTargetCX
, iTargetCY
, nFlags
);
1442 else hNew
= CopyIcon( hIcon
);
1447 /***********************************************************************
1448 * CreateCursor (USER32.@)
1450 HCURSOR WINAPI
CreateCursor( HINSTANCE hInstance
,
1451 INT xHotSpot
, INT yHotSpot
,
1452 INT nWidth
, INT nHeight
,
1453 LPCVOID lpANDbits
, LPCVOID lpXORbits
)
1458 TRACE_(cursor
)("%dx%d spot=%d,%d xor=%p and=%p\n",
1459 nWidth
, nHeight
, xHotSpot
, yHotSpot
, lpXORbits
, lpANDbits
);
1462 info
.xHotspot
= xHotSpot
;
1463 info
.yHotspot
= yHotSpot
;
1464 info
.hbmMask
= CreateBitmap( nWidth
, nHeight
, 1, 1, lpANDbits
);
1465 info
.hbmColor
= CreateBitmap( nWidth
, nHeight
, 1, 1, lpXORbits
);
1466 hCursor
= CreateIconIndirect( &info
);
1467 DeleteObject( info
.hbmMask
);
1468 DeleteObject( info
.hbmColor
);
1473 /***********************************************************************
1474 * CreateIcon (USER32.@)
1476 * Creates an icon based on the specified bitmaps. The bitmaps must be
1477 * provided in a device dependent format and will be resized to
1478 * (SM_CXICON,SM_CYICON) and depth converted to match the screen's color
1479 * depth. The provided bitmaps must be top-down bitmaps.
1480 * Although Windows does not support 15bpp(*) this API must support it
1481 * for Winelib applications.
1483 * (*) Windows does not support 15bpp but it supports the 555 RGB 16bpp
1487 * Success: handle to an icon
1490 * FIXME: Do we need to resize the bitmaps?
1492 HICON WINAPI
CreateIcon(
1493 HINSTANCE hInstance
, /* [in] the application's hInstance */
1494 INT nWidth
, /* [in] the width of the provided bitmaps */
1495 INT nHeight
, /* [in] the height of the provided bitmaps */
1496 BYTE bPlanes
, /* [in] the number of planes in the provided bitmaps */
1497 BYTE bBitsPixel
, /* [in] the number of bits per pixel of the lpXORbits bitmap */
1498 LPCVOID lpANDbits
, /* [in] a monochrome bitmap representing the icon's mask */
1499 LPCVOID lpXORbits
) /* [in] the icon's 'color' bitmap */
1504 TRACE_(icon
)("%dx%d, planes %d, bpp %d, xor %p, and %p\n",
1505 nWidth
, nHeight
, bPlanes
, bBitsPixel
, lpXORbits
, lpANDbits
);
1508 iinfo
.xHotspot
= nWidth
/ 2;
1509 iinfo
.yHotspot
= nHeight
/ 2;
1510 iinfo
.hbmMask
= CreateBitmap( nWidth
, nHeight
, 1, 1, lpANDbits
);
1511 iinfo
.hbmColor
= CreateBitmap( nWidth
, nHeight
, bPlanes
, bBitsPixel
, lpXORbits
);
1513 hIcon
= CreateIconIndirect( &iinfo
);
1515 DeleteObject( iinfo
.hbmMask
);
1516 DeleteObject( iinfo
.hbmColor
);
1522 /***********************************************************************
1523 * CopyIcon (USER32.@)
1525 HICON WINAPI
CopyIcon( HICON hIcon
)
1527 struct cursoricon_object
*ptrOld
, *ptrNew
;
1530 if (!(ptrOld
= get_icon_ptr( hIcon
))) return 0;
1531 if ((hNew
= alloc_icon_handle()))
1533 ptrNew
= get_icon_ptr( hNew
);
1534 ptrNew
->color
= copy_bitmap( ptrOld
->color
);
1535 ptrNew
->alpha
= copy_bitmap( ptrOld
->alpha
);
1536 ptrNew
->mask
= copy_bitmap( ptrOld
->mask
);
1537 ptrNew
->is_icon
= ptrOld
->is_icon
;
1538 ptrNew
->width
= ptrOld
->width
;
1539 ptrNew
->height
= ptrOld
->height
;
1540 ptrNew
->hotspot
= ptrOld
->hotspot
;
1541 release_icon_ptr( hNew
, ptrNew
);
1543 release_icon_ptr( hIcon
, ptrOld
);
1544 if (hNew
) USER_Driver
->pCreateCursorIcon( hNew
);
1549 /***********************************************************************
1550 * DestroyIcon (USER32.@)
1552 BOOL WINAPI
DestroyIcon( HICON hIcon
)
1554 TRACE_(icon
)("%p\n", hIcon
);
1556 if (CURSORICON_DelSharedIcon( hIcon
) == -1)
1557 free_icon_handle( hIcon
);
1562 /***********************************************************************
1563 * DestroyCursor (USER32.@)
1565 BOOL WINAPI
DestroyCursor( HCURSOR hCursor
)
1567 if (GetCursor() == hCursor
)
1569 WARN_(cursor
)("Destroying active cursor!\n" );
1572 return DestroyIcon( hCursor
);
1575 /***********************************************************************
1576 * DrawIcon (USER32.@)
1578 BOOL WINAPI
DrawIcon( HDC hdc
, INT x
, INT y
, HICON hIcon
)
1580 return DrawIconEx( hdc
, x
, y
, hIcon
, 0, 0, 0, 0, DI_NORMAL
| DI_COMPAT
| DI_DEFAULTSIZE
);
1583 /***********************************************************************
1584 * SetCursor (USER32.@)
1586 * Set the cursor shape.
1589 * A handle to the previous cursor shape.
1591 HCURSOR WINAPI DECLSPEC_HOTPATCH
SetCursor( HCURSOR hCursor
/* [in] Handle of cursor to show */ )
1597 TRACE("%p\n", hCursor
);
1599 SERVER_START_REQ( set_cursor
)
1601 req
->flags
= SET_CURSOR_HANDLE
;
1602 req
->handle
= wine_server_user_handle( hCursor
);
1603 if ((ret
= !wine_server_call_err( req
)))
1605 hOldCursor
= wine_server_ptr_handle( reply
->prev_handle
);
1606 show_count
= reply
->prev_count
;
1613 /* Change the cursor shape only if it is visible */
1614 if (show_count
>= 0 && hOldCursor
!= hCursor
) USER_Driver
->pSetCursor( hCursor
);
1618 /***********************************************************************
1619 * ShowCursor (USER32.@)
1621 INT WINAPI DECLSPEC_HOTPATCH
ShowCursor( BOOL bShow
)
1624 int increment
= bShow
? 1 : -1;
1627 SERVER_START_REQ( set_cursor
)
1629 req
->flags
= SET_CURSOR_COUNT
;
1630 req
->show_count
= increment
;
1631 wine_server_call( req
);
1632 cursor
= wine_server_ptr_handle( reply
->prev_handle
);
1633 count
= reply
->prev_count
+ increment
;
1637 TRACE("%d, count=%d\n", bShow
, count
);
1639 if (bShow
&& !count
) USER_Driver
->pSetCursor( cursor
);
1640 else if (!bShow
&& count
== -1) USER_Driver
->pSetCursor( 0 );
1645 /***********************************************************************
1646 * GetCursor (USER32.@)
1648 HCURSOR WINAPI
GetCursor(void)
1652 SERVER_START_REQ( set_cursor
)
1655 wine_server_call( req
);
1656 ret
= wine_server_ptr_handle( reply
->prev_handle
);
1663 /***********************************************************************
1664 * ClipCursor (USER32.@)
1666 BOOL WINAPI DECLSPEC_HOTPATCH
ClipCursor( const RECT
*rect
)
1670 SetRect( &virt
, 0, 0, GetSystemMetrics( SM_CXVIRTUALSCREEN
),
1671 GetSystemMetrics( SM_CYVIRTUALSCREEN
) );
1672 OffsetRect( &virt
, GetSystemMetrics( SM_XVIRTUALSCREEN
),
1673 GetSystemMetrics( SM_YVIRTUALSCREEN
) );
1675 TRACE( "Clipping to: %s was: %s screen: %s\n", wine_dbgstr_rect(rect
),
1676 wine_dbgstr_rect(&CURSOR_ClipRect
), wine_dbgstr_rect(&virt
) );
1678 if (!IntersectRect( &CURSOR_ClipRect
, &virt
, rect
))
1679 CURSOR_ClipRect
= virt
;
1681 USER_Driver
->pClipCursor( rect
);
1686 /***********************************************************************
1687 * GetClipCursor (USER32.@)
1689 BOOL WINAPI DECLSPEC_HOTPATCH
GetClipCursor( RECT
*rect
)
1691 /* If this is first time - initialize the rect */
1692 if (IsRectEmpty( &CURSOR_ClipRect
)) ClipCursor( NULL
);
1694 return CopyRect( rect
, &CURSOR_ClipRect
);
1698 /***********************************************************************
1699 * SetSystemCursor (USER32.@)
1701 BOOL WINAPI
SetSystemCursor(HCURSOR hcur
, DWORD id
)
1703 FIXME("(%p,%08x),stub!\n", hcur
, id
);
1708 /**********************************************************************
1709 * LookupIconIdFromDirectoryEx (USER32.@)
1711 INT WINAPI
LookupIconIdFromDirectoryEx( LPBYTE xdir
, BOOL bIcon
,
1712 INT width
, INT height
, UINT cFlag
)
1714 CURSORICONDIR
*dir
= (CURSORICONDIR
*)xdir
;
1716 if( dir
&& !dir
->idReserved
&& (dir
->idType
& 3) )
1718 CURSORICONDIRENTRY
* entry
;
1720 const HDC hdc
= GetDC(0);
1721 const int depth
= (cFlag
& LR_MONOCHROME
) ?
1722 1 : GetDeviceCaps(hdc
, BITSPIXEL
);
1726 entry
= CURSORICON_FindBestIconRes( dir
, width
, height
, depth
);
1728 entry
= CURSORICON_FindBestCursorRes( dir
, width
, height
, depth
);
1730 if( entry
) retVal
= entry
->wResId
;
1732 else WARN_(cursor
)("invalid resource directory\n");
1736 /**********************************************************************
1737 * LookupIconIdFromDirectory (USER32.@)
1739 INT WINAPI
LookupIconIdFromDirectory( LPBYTE dir
, BOOL bIcon
)
1741 return LookupIconIdFromDirectoryEx( dir
, bIcon
,
1742 bIcon
? GetSystemMetrics(SM_CXICON
) : GetSystemMetrics(SM_CXCURSOR
),
1743 bIcon
? GetSystemMetrics(SM_CYICON
) : GetSystemMetrics(SM_CYCURSOR
), bIcon
? 0 : LR_MONOCHROME
);
1746 /***********************************************************************
1747 * LoadCursorW (USER32.@)
1749 HCURSOR WINAPI
LoadCursorW(HINSTANCE hInstance
, LPCWSTR name
)
1751 TRACE("%p, %s\n", hInstance
, debugstr_w(name
));
1753 return LoadImageW( hInstance
, name
, IMAGE_CURSOR
, 0, 0,
1754 LR_SHARED
| LR_DEFAULTSIZE
);
1757 /***********************************************************************
1758 * LoadCursorA (USER32.@)
1760 HCURSOR WINAPI
LoadCursorA(HINSTANCE hInstance
, LPCSTR name
)
1762 TRACE("%p, %s\n", hInstance
, debugstr_a(name
));
1764 return LoadImageA( hInstance
, name
, IMAGE_CURSOR
, 0, 0,
1765 LR_SHARED
| LR_DEFAULTSIZE
);
1768 /***********************************************************************
1769 * LoadCursorFromFileW (USER32.@)
1771 HCURSOR WINAPI
LoadCursorFromFileW (LPCWSTR name
)
1773 TRACE("%s\n", debugstr_w(name
));
1775 return LoadImageW( 0, name
, IMAGE_CURSOR
, 0, 0,
1776 LR_LOADFROMFILE
| LR_DEFAULTSIZE
);
1779 /***********************************************************************
1780 * LoadCursorFromFileA (USER32.@)
1782 HCURSOR WINAPI
LoadCursorFromFileA (LPCSTR name
)
1784 TRACE("%s\n", debugstr_a(name
));
1786 return LoadImageA( 0, name
, IMAGE_CURSOR
, 0, 0,
1787 LR_LOADFROMFILE
| LR_DEFAULTSIZE
);
1790 /***********************************************************************
1791 * LoadIconW (USER32.@)
1793 HICON WINAPI
LoadIconW(HINSTANCE hInstance
, LPCWSTR name
)
1795 TRACE("%p, %s\n", hInstance
, debugstr_w(name
));
1797 return LoadImageW( hInstance
, name
, IMAGE_ICON
, 0, 0,
1798 LR_SHARED
| LR_DEFAULTSIZE
);
1801 /***********************************************************************
1802 * LoadIconA (USER32.@)
1804 HICON WINAPI
LoadIconA(HINSTANCE hInstance
, LPCSTR name
)
1806 TRACE("%p, %s\n", hInstance
, debugstr_a(name
));
1808 return LoadImageA( hInstance
, name
, IMAGE_ICON
, 0, 0,
1809 LR_SHARED
| LR_DEFAULTSIZE
);
1812 /**********************************************************************
1813 * GetIconInfo (USER32.@)
1815 BOOL WINAPI
GetIconInfo(HICON hIcon
, PICONINFO iconinfo
)
1817 struct cursoricon_object
*ptr
;
1819 if (!(ptr
= get_icon_ptr( hIcon
))) return FALSE
;
1821 TRACE("%p => %dx%d\n", hIcon
, ptr
->width
, ptr
->height
);
1823 iconinfo
->fIcon
= ptr
->is_icon
;
1824 iconinfo
->xHotspot
= ptr
->hotspot
.x
;
1825 iconinfo
->yHotspot
= ptr
->hotspot
.y
;
1826 iconinfo
->hbmColor
= copy_bitmap( ptr
->color
);
1827 iconinfo
->hbmMask
= copy_bitmap( ptr
->mask
);
1828 release_icon_ptr( hIcon
, ptr
);
1833 /* copy an icon bitmap, even when it can't be selected into a DC */
1834 /* helper for CreateIconIndirect */
1835 static void stretch_blt_icon( HDC hdc_dst
, int dst_x
, int dst_y
, int dst_width
, int dst_height
,
1836 HBITMAP src
, int width
, int height
)
1838 HDC hdc
= CreateCompatibleDC( 0 );
1840 if (!SelectObject( hdc
, src
)) /* do it the hard way */
1845 if (!(info
= HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO
, bmiColors
[256] )))) return;
1846 info
->bmiHeader
.biSize
= sizeof(BITMAPINFOHEADER
);
1847 info
->bmiHeader
.biWidth
= width
;
1848 info
->bmiHeader
.biHeight
= height
;
1849 info
->bmiHeader
.biPlanes
= GetDeviceCaps( hdc_dst
, PLANES
);
1850 info
->bmiHeader
.biBitCount
= GetDeviceCaps( hdc_dst
, BITSPIXEL
);
1851 info
->bmiHeader
.biCompression
= BI_RGB
;
1852 info
->bmiHeader
.biSizeImage
= height
* get_dib_width_bytes( width
, info
->bmiHeader
.biBitCount
);
1853 info
->bmiHeader
.biXPelsPerMeter
= 0;
1854 info
->bmiHeader
.biYPelsPerMeter
= 0;
1855 info
->bmiHeader
.biClrUsed
= 0;
1856 info
->bmiHeader
.biClrImportant
= 0;
1857 bits
= HeapAlloc( GetProcessHeap(), 0, info
->bmiHeader
.biSizeImage
);
1858 if (bits
&& GetDIBits( hdc
, src
, 0, height
, bits
, info
, DIB_RGB_COLORS
))
1859 StretchDIBits( hdc_dst
, dst_x
, dst_y
, dst_width
, dst_height
,
1860 0, 0, width
, height
, bits
, info
, DIB_RGB_COLORS
, SRCCOPY
);
1862 HeapFree( GetProcessHeap(), 0, bits
);
1863 HeapFree( GetProcessHeap(), 0, info
);
1865 else StretchBlt( hdc_dst
, dst_x
, dst_y
, dst_width
, dst_height
, hdc
, 0, 0, width
, height
, SRCCOPY
);
1870 /**********************************************************************
1871 * CreateIconIndirect (USER32.@)
1873 HICON WINAPI
CreateIconIndirect(PICONINFO iconinfo
)
1875 BITMAP bmpXor
, bmpAnd
;
1877 HBITMAP color
= 0, mask
;
1881 TRACE("color %p, mask %p, hotspot %ux%u, fIcon %d\n",
1882 iconinfo
->hbmColor
, iconinfo
->hbmMask
,
1883 iconinfo
->xHotspot
, iconinfo
->yHotspot
, iconinfo
->fIcon
);
1885 if (!iconinfo
->hbmMask
) return 0;
1887 GetObjectW( iconinfo
->hbmMask
, sizeof(bmpAnd
), &bmpAnd
);
1888 TRACE("mask: width %d, height %d, width bytes %d, planes %u, bpp %u\n",
1889 bmpAnd
.bmWidth
, bmpAnd
.bmHeight
, bmpAnd
.bmWidthBytes
,
1890 bmpAnd
.bmPlanes
, bmpAnd
.bmBitsPixel
);
1892 if (iconinfo
->hbmColor
)
1894 GetObjectW( iconinfo
->hbmColor
, sizeof(bmpXor
), &bmpXor
);
1895 TRACE("color: width %d, height %d, width bytes %d, planes %u, bpp %u\n",
1896 bmpXor
.bmWidth
, bmpXor
.bmHeight
, bmpXor
.bmWidthBytes
,
1897 bmpXor
.bmPlanes
, bmpXor
.bmBitsPixel
);
1899 width
= bmpXor
.bmWidth
;
1900 height
= bmpXor
.bmHeight
;
1901 if (bmpXor
.bmPlanes
* bmpXor
.bmBitsPixel
!= 1)
1903 color
= CreateCompatibleBitmap( screen_dc
, width
, height
);
1904 mask
= CreateBitmap( width
, height
, 1, 1, NULL
);
1906 else mask
= CreateBitmap( width
, height
* 2, 1, 1, NULL
);
1910 width
= bmpAnd
.bmWidth
;
1911 height
= bmpAnd
.bmHeight
;
1912 mask
= CreateBitmap( width
, height
, 1, 1, NULL
);
1915 hdc
= CreateCompatibleDC( 0 );
1916 SelectObject( hdc
, mask
);
1917 stretch_blt_icon( hdc
, 0, 0, width
, height
, iconinfo
->hbmMask
, bmpAnd
.bmWidth
, bmpAnd
.bmHeight
);
1921 SelectObject( hdc
, color
);
1922 stretch_blt_icon( hdc
, 0, 0, width
, height
, iconinfo
->hbmColor
, width
, height
);
1924 else if (iconinfo
->hbmColor
)
1926 stretch_blt_icon( hdc
, 0, height
, width
, height
, iconinfo
->hbmColor
, width
, height
);
1932 hObj
= alloc_icon_handle();
1935 struct cursoricon_object
*info
= get_icon_ptr( hObj
);
1937 info
->color
= color
;
1939 info
->alpha
= create_alpha_bitmap( iconinfo
->hbmColor
, mask
, NULL
, NULL
);
1940 info
->is_icon
= iconinfo
->fIcon
;
1941 info
->width
= width
;
1942 info
->height
= height
;
1945 info
->hotspot
.x
= width
/ 2;
1946 info
->hotspot
.y
= height
/ 2;
1950 info
->hotspot
.x
= iconinfo
->xHotspot
;
1951 info
->hotspot
.y
= iconinfo
->yHotspot
;
1954 release_icon_ptr( hObj
, info
);
1955 USER_Driver
->pCreateCursorIcon( hObj
);
1960 /******************************************************************************
1961 * DrawIconEx (USER32.@) Draws an icon or cursor on device context
1964 * Why is this using SM_CXICON instead of SM_CXCURSOR?
1967 * hdc [I] Handle to device context
1968 * x0 [I] X coordinate of upper left corner
1969 * y0 [I] Y coordinate of upper left corner
1970 * hIcon [I] Handle to icon to draw
1971 * cxWidth [I] Width of icon
1972 * cyWidth [I] Height of icon
1973 * istep [I] Index of frame in animated cursor
1974 * hbr [I] Handle to background brush
1975 * flags [I] Icon-drawing flags
1981 BOOL WINAPI
DrawIconEx( HDC hdc
, INT x0
, INT y0
, HICON hIcon
,
1982 INT cxWidth
, INT cyWidth
, UINT istep
,
1983 HBRUSH hbr
, UINT flags
)
1985 struct cursoricon_object
*ptr
;
1986 HDC hdc_dest
, hMemDC
;
1987 BOOL result
= FALSE
, DoOffscreen
;
1989 COLORREF oldFg
, oldBg
;
1990 INT x
, y
, nStretchMode
;
1992 TRACE_(icon
)("(hdc=%p,pos=%d.%d,hicon=%p,extend=%d.%d,istep=%d,br=%p,flags=0x%08x)\n",
1993 hdc
,x0
,y0
,hIcon
,cxWidth
,cyWidth
,istep
,hbr
,flags
);
1995 if (!(ptr
= get_icon_ptr( hIcon
))) return FALSE
;
1996 if (!(hMemDC
= CreateCompatibleDC( hdc
)))
1998 release_icon_ptr( hIcon
, ptr
);
2003 FIXME_(icon
)("Ignoring istep=%d\n", istep
);
2004 if (flags
& DI_NOMIRROR
)
2005 FIXME_(icon
)("Ignoring flag DI_NOMIRROR\n");
2007 /* Calculate the size of the destination image. */
2010 if (flags
& DI_DEFAULTSIZE
)
2011 cxWidth
= GetSystemMetrics (SM_CXICON
);
2013 cxWidth
= ptr
->width
;
2017 if (flags
& DI_DEFAULTSIZE
)
2018 cyWidth
= GetSystemMetrics (SM_CYICON
);
2020 cyWidth
= ptr
->height
;
2023 DoOffscreen
= (GetObjectType( hbr
) == OBJ_BRUSH
);
2033 if (!(hdc_dest
= CreateCompatibleDC(hdc
))) goto failed
;
2034 if (!(hB_off
= CreateCompatibleBitmap(hdc
, cxWidth
, cyWidth
)))
2036 DeleteDC( hdc_dest
);
2039 SelectObject(hdc_dest
, hB_off
);
2040 FillRect(hdc_dest
, &r
, hbr
);
2050 nStretchMode
= SetStretchBltMode (hdc
, STRETCH_DELETESCANS
);
2052 oldFg
= SetTextColor( hdc
, RGB(0,0,0) );
2053 oldBg
= SetBkColor( hdc
, RGB(255,255,255) );
2055 if (ptr
->alpha
&& (flags
& DI_IMAGE
))
2057 BLENDFUNCTION pixelblend
= { AC_SRC_OVER
, 0, 255, AC_SRC_ALPHA
};
2059 SelectObject( hMemDC
, ptr
->alpha
);
2060 if (GdiAlphaBlend( hdc_dest
, x
, y
, cxWidth
, cyWidth
, hMemDC
,
2061 0, 0, ptr
->width
, ptr
->height
, pixelblend
)) goto done
;
2064 if (flags
& DI_MASK
)
2066 SelectObject( hMemDC
, ptr
->mask
);
2067 StretchBlt( hdc_dest
, x
, y
, cxWidth
, cyWidth
,
2068 hMemDC
, 0, 0, ptr
->width
, ptr
->height
, SRCAND
);
2071 if (flags
& DI_IMAGE
)
2075 DWORD rop
= (flags
& DI_MASK
) ? SRCINVERT
: SRCCOPY
;
2076 SelectObject( hMemDC
, ptr
->color
);
2077 StretchBlt( hdc_dest
, x
, y
, cxWidth
, cyWidth
,
2078 hMemDC
, 0, 0, ptr
->width
, ptr
->height
, rop
);
2082 DWORD rop
= (flags
& DI_MASK
) ? SRCINVERT
: SRCCOPY
;
2083 SelectObject( hMemDC
, ptr
->mask
);
2084 StretchBlt( hdc_dest
, x
, y
, cxWidth
, cyWidth
,
2085 hMemDC
, 0, ptr
->height
, ptr
->width
, ptr
->height
, rop
);
2090 if (DoOffscreen
) BitBlt( hdc
, x0
, y0
, cxWidth
, cyWidth
, hdc_dest
, 0, 0, SRCCOPY
);
2092 SetTextColor( hdc
, oldFg
);
2093 SetBkColor( hdc
, oldBg
);
2094 SetStretchBltMode (hdc
, nStretchMode
);
2096 if (hdc_dest
!= hdc
) DeleteDC( hdc_dest
);
2097 if (hB_off
) DeleteObject(hB_off
);
2100 release_icon_ptr( hIcon
, ptr
);
2104 /***********************************************************************
2105 * DIB_FixColorsToLoadflags
2107 * Change color table entries when LR_LOADTRANSPARENT or LR_LOADMAP3DCOLORS
2110 static void DIB_FixColorsToLoadflags(BITMAPINFO
* bmi
, UINT loadflags
, BYTE pix
)
2113 COLORREF c_W
, c_S
, c_F
, c_L
, c_C
;
2122 if (((bitmap_type
= DIB_GetBitmapInfo((BITMAPINFOHEADER
*) bmi
, &width
, &height
, &bpp
, &compr
)) == -1))
2124 WARN_(resource
)("Invalid bitmap\n");
2128 if (bpp
> 8) return;
2130 if (bitmap_type
== 0) /* BITMAPCOREHEADER */
2138 colors
= bmi
->bmiHeader
.biClrUsed
;
2139 if (colors
> 256) colors
= 256;
2140 if (!colors
&& (bpp
<= 8)) colors
= 1 << bpp
;
2143 c_W
= GetSysColor(COLOR_WINDOW
);
2144 c_S
= GetSysColor(COLOR_3DSHADOW
);
2145 c_F
= GetSysColor(COLOR_3DFACE
);
2146 c_L
= GetSysColor(COLOR_3DLIGHT
);
2148 if (loadflags
& LR_LOADTRANSPARENT
) {
2150 case 1: pix
= pix
>> 7; break;
2151 case 4: pix
= pix
>> 4; break;
2154 WARN_(resource
)("(%d): Unsupported depth\n", bpp
);
2157 if (pix
>= colors
) {
2158 WARN_(resource
)("pixel has color index greater than biClrUsed!\n");
2161 if (loadflags
& LR_LOADMAP3DCOLORS
) c_W
= c_F
;
2162 ptr
= (RGBQUAD
*)((char*)bmi
->bmiColors
+pix
*incr
);
2163 ptr
->rgbBlue
= GetBValue(c_W
);
2164 ptr
->rgbGreen
= GetGValue(c_W
);
2165 ptr
->rgbRed
= GetRValue(c_W
);
2167 if (loadflags
& LR_LOADMAP3DCOLORS
)
2168 for (i
=0; i
<colors
; i
++) {
2169 ptr
= (RGBQUAD
*)((char*)bmi
->bmiColors
+i
*incr
);
2170 c_C
= RGB(ptr
->rgbRed
, ptr
->rgbGreen
, ptr
->rgbBlue
);
2171 if (c_C
== RGB(128, 128, 128)) {
2172 ptr
->rgbRed
= GetRValue(c_S
);
2173 ptr
->rgbGreen
= GetGValue(c_S
);
2174 ptr
->rgbBlue
= GetBValue(c_S
);
2175 } else if (c_C
== RGB(192, 192, 192)) {
2176 ptr
->rgbRed
= GetRValue(c_F
);
2177 ptr
->rgbGreen
= GetGValue(c_F
);
2178 ptr
->rgbBlue
= GetBValue(c_F
);
2179 } else if (c_C
== RGB(223, 223, 223)) {
2180 ptr
->rgbRed
= GetRValue(c_L
);
2181 ptr
->rgbGreen
= GetGValue(c_L
);
2182 ptr
->rgbBlue
= GetBValue(c_L
);
2188 /**********************************************************************
2191 static HBITMAP
BITMAP_Load( HINSTANCE instance
, LPCWSTR name
,
2192 INT desiredx
, INT desiredy
, UINT loadflags
)
2194 HBITMAP hbitmap
= 0, orig_bm
;
2198 BITMAPINFO
*info
, *fix_info
= NULL
, *scaled_info
= NULL
;
2202 LONG width
, height
, new_width
, new_height
;
2204 DWORD compr_dummy
, offbits
= 0;
2206 HDC screen_mem_dc
= NULL
;
2208 if (!(loadflags
& LR_LOADFROMFILE
))
2212 /* OEM bitmap: try to load the resource from user32.dll */
2213 instance
= user32_module
;
2216 if (!(hRsrc
= FindResourceW( instance
, name
, (LPWSTR
)RT_BITMAP
))) return 0;
2217 if (!(handle
= LoadResource( instance
, hRsrc
))) return 0;
2219 if ((info
= LockResource( handle
)) == NULL
) return 0;
2223 BITMAPFILEHEADER
* bmfh
;
2225 if (!(ptr
= map_fileW( name
, NULL
))) return 0;
2226 info
= (BITMAPINFO
*)(ptr
+ sizeof(BITMAPFILEHEADER
));
2227 bmfh
= (BITMAPFILEHEADER
*)ptr
;
2228 if (bmfh
->bfType
!= 0x4d42 /* 'BM' */)
2230 WARN("Invalid/unsupported bitmap format!\n");
2233 if (bmfh
->bfOffBits
) offbits
= bmfh
->bfOffBits
- sizeof(BITMAPFILEHEADER
);
2236 if (info
->bmiHeader
.biHeight
> 65535 || info
->bmiHeader
.biWidth
> 65535) {
2237 WARN("Broken BitmapInfoHeader!\n");
2241 size
= bitmap_info_size(info
, DIB_RGB_COLORS
);
2242 fix_info
= HeapAlloc(GetProcessHeap(), 0, size
);
2243 scaled_info
= HeapAlloc(GetProcessHeap(), 0, size
);
2245 if (!fix_info
|| !scaled_info
) goto end
;
2246 memcpy(fix_info
, info
, size
);
2248 pix
= *((LPBYTE
)info
+ size
);
2249 DIB_FixColorsToLoadflags(fix_info
, loadflags
, pix
);
2251 memcpy(scaled_info
, fix_info
, size
);
2252 bm_type
= DIB_GetBitmapInfo( &fix_info
->bmiHeader
, &width
, &height
,
2253 &bpp_dummy
, &compr_dummy
);
2255 new_width
= desiredx
;
2260 new_height
= height
> 0 ? desiredy
: -desiredy
;
2262 new_height
= height
;
2266 BITMAPCOREHEADER
*core
= (BITMAPCOREHEADER
*)&scaled_info
->bmiHeader
;
2267 core
->bcWidth
= new_width
;
2268 core
->bcHeight
= new_height
;
2272 scaled_info
->bmiHeader
.biWidth
= new_width
;
2273 scaled_info
->bmiHeader
.biHeight
= new_height
;
2276 if (new_height
< 0) new_height
= -new_height
;
2278 if (!screen_dc
) screen_dc
= CreateDCW( DISPLAYW
, NULL
, NULL
, NULL
);
2279 if (!(screen_mem_dc
= CreateCompatibleDC( screen_dc
))) goto end
;
2281 bits
= (char *)info
+ (offbits
? offbits
: size
);
2283 if (loadflags
& LR_CREATEDIBSECTION
)
2285 scaled_info
->bmiHeader
.biCompression
= 0; /* DIBSection can't be compressed */
2286 hbitmap
= CreateDIBSection(screen_dc
, scaled_info
, DIB_RGB_COLORS
, NULL
, 0, 0);
2290 if (is_dib_monochrome(fix_info
))
2291 hbitmap
= CreateBitmap(new_width
, new_height
, 1, 1, NULL
);
2293 hbitmap
= CreateCompatibleBitmap(screen_dc
, new_width
, new_height
);
2296 orig_bm
= SelectObject(screen_mem_dc
, hbitmap
);
2297 StretchDIBits(screen_mem_dc
, 0, 0, new_width
, new_height
, 0, 0, width
, height
, bits
, fix_info
, DIB_RGB_COLORS
, SRCCOPY
);
2298 SelectObject(screen_mem_dc
, orig_bm
);
2301 if (screen_mem_dc
) DeleteDC(screen_mem_dc
);
2302 HeapFree(GetProcessHeap(), 0, scaled_info
);
2303 HeapFree(GetProcessHeap(), 0, fix_info
);
2305 if (loadflags
& LR_LOADFROMFILE
) UnmapViewOfFile( ptr
);
2310 /**********************************************************************
2311 * LoadImageA (USER32.@)
2315 HANDLE WINAPI
LoadImageA( HINSTANCE hinst
, LPCSTR name
, UINT type
,
2316 INT desiredx
, INT desiredy
, UINT loadflags
)
2321 if (IS_INTRESOURCE(name
))
2322 return LoadImageW(hinst
, (LPCWSTR
)name
, type
, desiredx
, desiredy
, loadflags
);
2325 DWORD len
= MultiByteToWideChar( CP_ACP
, 0, name
, -1, NULL
, 0 );
2326 u_name
= HeapAlloc( GetProcessHeap(), 0, len
* sizeof(WCHAR
) );
2327 MultiByteToWideChar( CP_ACP
, 0, name
, -1, u_name
, len
);
2329 __EXCEPT_PAGE_FAULT
{
2330 SetLastError( ERROR_INVALID_PARAMETER
);
2334 res
= LoadImageW(hinst
, u_name
, type
, desiredx
, desiredy
, loadflags
);
2335 HeapFree(GetProcessHeap(), 0, u_name
);
2340 /******************************************************************************
2341 * LoadImageW (USER32.@) Loads an icon, cursor, or bitmap
2344 * hinst [I] Handle of instance that contains image
2345 * name [I] Name of image
2346 * type [I] Type of image
2347 * desiredx [I] Desired width
2348 * desiredy [I] Desired height
2349 * loadflags [I] Load flags
2352 * Success: Handle to newly loaded image
2355 * FIXME: Implementation lacks some features, see LR_ defines in winuser.h
2357 HANDLE WINAPI
LoadImageW( HINSTANCE hinst
, LPCWSTR name
, UINT type
,
2358 INT desiredx
, INT desiredy
, UINT loadflags
)
2360 TRACE_(resource
)("(%p,%s,%d,%d,%d,0x%08x)\n",
2361 hinst
,debugstr_w(name
),type
,desiredx
,desiredy
,loadflags
);
2363 if (loadflags
& LR_DEFAULTSIZE
) {
2364 if (type
== IMAGE_ICON
) {
2365 if (!desiredx
) desiredx
= GetSystemMetrics(SM_CXICON
);
2366 if (!desiredy
) desiredy
= GetSystemMetrics(SM_CYICON
);
2367 } else if (type
== IMAGE_CURSOR
) {
2368 if (!desiredx
) desiredx
= GetSystemMetrics(SM_CXCURSOR
);
2369 if (!desiredy
) desiredy
= GetSystemMetrics(SM_CYCURSOR
);
2372 if (loadflags
& LR_LOADFROMFILE
) loadflags
&= ~LR_SHARED
;
2375 return BITMAP_Load( hinst
, name
, desiredx
, desiredy
, loadflags
);
2378 if (!screen_dc
) screen_dc
= CreateDCW( DISPLAYW
, NULL
, NULL
, NULL
);
2381 return CURSORICON_Load(hinst
, name
, desiredx
, desiredy
,
2382 GetDeviceCaps(screen_dc
, BITSPIXEL
),
2388 return CURSORICON_Load(hinst
, name
, desiredx
, desiredy
,
2389 1, TRUE
, loadflags
);
2394 /******************************************************************************
2395 * CopyImage (USER32.@) Creates new image and copies attributes to it
2398 * hnd [I] Handle to image to copy
2399 * type [I] Type of image to copy
2400 * desiredx [I] Desired width of new image
2401 * desiredy [I] Desired height of new image
2402 * flags [I] Copy flags
2405 * Success: Handle to newly created image
2409 * Only Windows NT 4.0 supports the LR_COPYRETURNORG flag for bitmaps,
2410 * all other versions (95/2000/XP have been tested) ignore it.
2413 * If LR_CREATEDIBSECTION is absent, the copy will be monochrome for
2414 * a monochrome source bitmap or if LR_MONOCHROME is present, otherwise
2415 * the copy will have the same depth as the screen.
2416 * The content of the image will only be copied if the bit depth of the
2417 * original image is compatible with the bit depth of the screen, or
2418 * if the source is a DIB section.
2419 * The LR_MONOCHROME flag is ignored if LR_CREATEDIBSECTION is present.
2421 HANDLE WINAPI
CopyImage( HANDLE hnd
, UINT type
, INT desiredx
,
2422 INT desiredy
, UINT flags
)
2424 TRACE("hnd=%p, type=%u, desiredx=%d, desiredy=%d, flags=%x\n",
2425 hnd
, type
, desiredx
, desiredy
, flags
);
2436 objSize
= GetObjectW( hnd
, sizeof(ds
), &ds
);
2437 if (!objSize
) return 0;
2438 if ((desiredx
< 0) || (desiredy
< 0)) return 0;
2440 if (flags
& LR_COPYFROMRESOURCE
)
2442 FIXME("The flag LR_COPYFROMRESOURCE is not implemented for bitmaps\n");
2445 if (desiredx
== 0) desiredx
= ds
.dsBm
.bmWidth
;
2446 if (desiredy
== 0) desiredy
= ds
.dsBm
.bmHeight
;
2448 /* Allocate memory for a BITMAPINFOHEADER structure and a
2449 color table. The maximum number of colors in a color table
2450 is 256 which corresponds to a bitmap with depth 8.
2451 Bitmaps with higher depths don't have color tables. */
2452 bi
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(BITMAPINFOHEADER
) + 256 * sizeof(RGBQUAD
));
2455 bi
->bmiHeader
.biSize
= sizeof(bi
->bmiHeader
);
2456 bi
->bmiHeader
.biPlanes
= ds
.dsBm
.bmPlanes
;
2457 bi
->bmiHeader
.biBitCount
= ds
.dsBm
.bmBitsPixel
;
2458 bi
->bmiHeader
.biCompression
= BI_RGB
;
2460 if (flags
& LR_CREATEDIBSECTION
)
2462 /* Create a DIB section. LR_MONOCHROME is ignored */
2464 HDC dc
= CreateCompatibleDC(NULL
);
2466 if (objSize
== sizeof(DIBSECTION
))
2468 /* The source bitmap is a DIB.
2469 Get its attributes to create an exact copy */
2470 memcpy(bi
, &ds
.dsBmih
, sizeof(BITMAPINFOHEADER
));
2473 /* Get the color table or the color masks */
2474 GetDIBits(dc
, hnd
, 0, ds
.dsBm
.bmHeight
, NULL
, bi
, DIB_RGB_COLORS
);
2476 bi
->bmiHeader
.biWidth
= desiredx
;
2477 bi
->bmiHeader
.biHeight
= desiredy
;
2478 bi
->bmiHeader
.biSizeImage
= 0;
2480 res
= CreateDIBSection(dc
, bi
, DIB_RGB_COLORS
, &bits
, NULL
, 0);
2485 /* Create a device-dependent bitmap */
2487 BOOL monochrome
= (flags
& LR_MONOCHROME
);
2489 if (objSize
== sizeof(DIBSECTION
))
2491 /* The source bitmap is a DIB section.
2492 Get its attributes */
2493 HDC dc
= CreateCompatibleDC(NULL
);
2494 bi
->bmiHeader
.biSize
= sizeof(bi
->bmiHeader
);
2495 bi
->bmiHeader
.biBitCount
= ds
.dsBm
.bmBitsPixel
;
2496 GetDIBits(dc
, hnd
, 0, ds
.dsBm
.bmHeight
, NULL
, bi
, DIB_RGB_COLORS
);
2499 if (!monochrome
&& ds
.dsBm
.bmBitsPixel
== 1)
2501 /* Look if the colors of the DIB are black and white */
2504 (bi
->bmiColors
[0].rgbRed
== 0xff
2505 && bi
->bmiColors
[0].rgbGreen
== 0xff
2506 && bi
->bmiColors
[0].rgbBlue
== 0xff
2507 && bi
->bmiColors
[0].rgbReserved
== 0
2508 && bi
->bmiColors
[1].rgbRed
== 0
2509 && bi
->bmiColors
[1].rgbGreen
== 0
2510 && bi
->bmiColors
[1].rgbBlue
== 0
2511 && bi
->bmiColors
[1].rgbReserved
== 0)
2513 (bi
->bmiColors
[0].rgbRed
== 0
2514 && bi
->bmiColors
[0].rgbGreen
== 0
2515 && bi
->bmiColors
[0].rgbBlue
== 0
2516 && bi
->bmiColors
[0].rgbReserved
== 0
2517 && bi
->bmiColors
[1].rgbRed
== 0xff
2518 && bi
->bmiColors
[1].rgbGreen
== 0xff
2519 && bi
->bmiColors
[1].rgbBlue
== 0xff
2520 && bi
->bmiColors
[1].rgbReserved
== 0);
2523 else if (!monochrome
)
2525 monochrome
= ds
.dsBm
.bmBitsPixel
== 1;
2530 res
= CreateBitmap(desiredx
, desiredy
, 1, 1, NULL
);
2534 HDC screenDC
= GetDC(NULL
);
2535 res
= CreateCompatibleBitmap(screenDC
, desiredx
, desiredy
);
2536 ReleaseDC(NULL
, screenDC
);
2542 /* Only copy the bitmap if it's a DIB section or if it's
2543 compatible to the screen */
2546 if (objSize
== sizeof(DIBSECTION
))
2548 copyContents
= TRUE
;
2552 HDC screenDC
= GetDC(NULL
);
2553 int screen_depth
= GetDeviceCaps(screenDC
, BITSPIXEL
);
2554 ReleaseDC(NULL
, screenDC
);
2556 copyContents
= (ds
.dsBm
.bmBitsPixel
== 1 || ds
.dsBm
.bmBitsPixel
== screen_depth
);
2561 /* The source bitmap may already be selected in a device context,
2562 use GetDIBits/StretchDIBits and not StretchBlt */
2567 dc
= CreateCompatibleDC(NULL
);
2569 bi
->bmiHeader
.biWidth
= ds
.dsBm
.bmWidth
;
2570 bi
->bmiHeader
.biHeight
= ds
.dsBm
.bmHeight
;
2571 bi
->bmiHeader
.biSizeImage
= 0;
2572 bi
->bmiHeader
.biClrUsed
= 0;
2573 bi
->bmiHeader
.biClrImportant
= 0;
2575 /* Fill in biSizeImage */
2576 GetDIBits(dc
, hnd
, 0, ds
.dsBm
.bmHeight
, NULL
, bi
, DIB_RGB_COLORS
);
2577 bits
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, bi
->bmiHeader
.biSizeImage
);
2583 /* Get the image bits of the source bitmap */
2584 GetDIBits(dc
, hnd
, 0, ds
.dsBm
.bmHeight
, bits
, bi
, DIB_RGB_COLORS
);
2586 /* Copy it to the destination bitmap */
2587 oldBmp
= SelectObject(dc
, res
);
2588 StretchDIBits(dc
, 0, 0, desiredx
, desiredy
,
2589 0, 0, ds
.dsBm
.bmWidth
, ds
.dsBm
.bmHeight
,
2590 bits
, bi
, DIB_RGB_COLORS
, SRCCOPY
);
2591 SelectObject(dc
, oldBmp
);
2593 HeapFree(GetProcessHeap(), 0, bits
);
2599 if (flags
& LR_COPYDELETEORG
)
2604 HeapFree(GetProcessHeap(), 0, bi
);
2608 return CURSORICON_ExtCopy(hnd
,type
, desiredx
, desiredy
, flags
);
2610 /* Should call CURSORICON_ExtCopy but more testing
2611 * needs to be done before we change this
2613 if (flags
) FIXME("Flags are ignored\n");
2614 return CopyCursor(hnd
);
2620 /******************************************************************************
2621 * LoadBitmapW (USER32.@) Loads bitmap from the executable file
2624 * Success: Handle to specified bitmap
2627 HBITMAP WINAPI
LoadBitmapW(
2628 HINSTANCE instance
, /* [in] Handle to application instance */
2629 LPCWSTR name
) /* [in] Address of bitmap resource name */
2631 return LoadImageW( instance
, name
, IMAGE_BITMAP
, 0, 0, 0 );
2634 /**********************************************************************
2635 * LoadBitmapA (USER32.@)
2639 HBITMAP WINAPI
LoadBitmapA( HINSTANCE instance
, LPCSTR name
)
2641 return LoadImageA( instance
, name
, IMAGE_BITMAP
, 0, 0, 0 );