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"
38 #include "wine/exception.h"
39 #include "wine/server.h"
42 #include "user_private.h"
43 #include "wine/list.h"
44 #include "wine/unicode.h"
45 #include "wine/debug.h"
47 WINE_DEFAULT_DEBUG_CHANNEL(cursor
);
48 WINE_DECLARE_DEBUG_CHANNEL(icon
);
49 WINE_DECLARE_DEBUG_CHANNEL(resource
);
51 static struct list icon_cache
= LIST_INIT( icon_cache
);
53 /**********************************************************************
54 * User objects management
57 struct cursoricon_frame
59 UINT width
; /* frame-specific width */
60 UINT height
; /* frame-specific height */
61 UINT delay
; /* frame-specific delay between this frame and the next (in jiffies) */
62 HBITMAP color
; /* color bitmap */
63 HBITMAP alpha
; /* pre-multiplied alpha bitmap for 32-bpp icons */
64 HBITMAP mask
; /* mask bitmap (followed by color for 1-bpp icons) */
67 struct cursoricon_object
69 struct user_object obj
; /* object header */
70 struct list entry
; /* entry in shared icons list */
71 ULONG_PTR param
; /* opaque param used by 16-bit code */
72 HMODULE module
; /* module for icons loaded from resources */
73 LPWSTR resname
; /* resource name for icons loaded from resources */
74 HRSRC rsrc
; /* resource for shared icons */
75 BOOL is_icon
; /* whether icon or cursor */
76 BOOL is_ani
; /* whether this object is a static cursor or an animated cursor */
77 UINT delay
; /* delay between this frame and the next (in jiffies) */
81 struct static_cursoricon_object
83 struct cursoricon_object shared
;
84 struct cursoricon_frame frame
; /* frame-specific icon data */
87 struct animated_cursoricon_object
89 struct cursoricon_object shared
;
90 UINT num_frames
; /* number of frames in the icon/cursor */
91 UINT num_steps
; /* number of sequence steps in the icon/cursor */
92 HICON frames
[1]; /* list of animated cursor frames */
95 static HDC
get_screen_dc(void)
97 static const WCHAR DISPLAYW
[] = {'D','I','S','P','L','A','Y',0};
101 screen_dc
= CreateDCW( DISPLAYW
, NULL
, NULL
, NULL
);
106 static HICON
alloc_icon_handle( BOOL is_ani
, UINT num_steps
)
108 struct cursoricon_object
*obj
;
113 icon_size
= FIELD_OFFSET( struct animated_cursoricon_object
, frames
[num_steps
] );
115 icon_size
= sizeof( struct static_cursoricon_object
);
116 obj
= HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, icon_size
);
117 if (!obj
) return NULL
;
120 obj
->is_ani
= is_ani
;
123 struct animated_cursoricon_object
*ani_icon_data
= (struct animated_cursoricon_object
*) obj
;
125 ani_icon_data
->num_steps
= num_steps
;
126 ani_icon_data
->num_frames
= num_steps
; /* changed later for some animated cursors */
129 if (!(handle
= alloc_user_handle( &obj
->obj
, USER_ICON
)))
130 HeapFree( GetProcessHeap(), 0, obj
);
134 static struct cursoricon_object
*get_icon_ptr( HICON handle
)
136 struct cursoricon_object
*obj
= get_user_handle_ptr( handle
, USER_ICON
);
137 if (obj
== OBJ_OTHER_PROCESS
)
139 WARN( "icon handle %p from other process\n", handle
);
145 static struct cursoricon_frame
*get_icon_frame( struct cursoricon_object
*obj
, int istep
)
147 struct static_cursoricon_object
*req_frame
;
151 struct animated_cursoricon_object
*ani_icon_data
;
152 struct cursoricon_object
*frameobj
;
154 ani_icon_data
= (struct animated_cursoricon_object
*) obj
;
155 if (!(frameobj
= get_icon_ptr( ani_icon_data
->frames
[istep
] )))
157 req_frame
= (struct static_cursoricon_object
*) frameobj
;
160 req_frame
= (struct static_cursoricon_object
*) obj
;
162 return &req_frame
->frame
;
165 static void release_icon_frame( struct cursoricon_object
*obj
, struct cursoricon_frame
*frame
)
169 struct cursoricon_object
*frameobj
;
171 frameobj
= (struct cursoricon_object
*) (((char *)frame
) - FIELD_OFFSET(struct static_cursoricon_object
, frame
));
172 release_user_handle_ptr( frameobj
);
176 static UINT
get_icon_steps( struct cursoricon_object
*obj
)
180 struct animated_cursoricon_object
*ani_icon_data
;
182 ani_icon_data
= (struct animated_cursoricon_object
*) obj
;
183 return ani_icon_data
->num_steps
;
188 static BOOL
free_icon_handle( HICON handle
)
190 struct cursoricon_object
*obj
= free_user_handle( handle
, USER_ICON
);
192 if (obj
== OBJ_OTHER_PROCESS
) WARN( "icon handle %p from other process\n", handle
);
195 ULONG_PTR param
= obj
->param
;
198 assert( !obj
->rsrc
); /* shared icons can't be freed */
202 struct cursoricon_frame
*frame
= get_icon_frame( obj
, 0 );
204 if (frame
->alpha
) DeleteObject( frame
->alpha
);
205 if (frame
->color
) DeleteObject( frame
->color
);
206 DeleteObject( frame
->mask
);
207 release_icon_frame( obj
, frame
);
211 struct animated_cursoricon_object
*ani_icon_data
= (struct animated_cursoricon_object
*) obj
;
213 for (i
=0; i
<ani_icon_data
->num_steps
; i
++)
215 HICON hFrame
= ani_icon_data
->frames
[i
];
221 free_icon_handle( ani_icon_data
->frames
[i
] );
222 for (j
=0; j
<ani_icon_data
->num_steps
; j
++)
224 if (ani_icon_data
->frames
[j
] == hFrame
)
225 ani_icon_data
->frames
[j
] = 0;
230 if (!IS_INTRESOURCE( obj
->resname
)) HeapFree( GetProcessHeap(), 0, obj
->resname
);
231 HeapFree( GetProcessHeap(), 0, obj
);
232 if (wow_handlers
.free_icon_param
&& param
) wow_handlers
.free_icon_param( param
);
233 USER_Driver
->pDestroyCursorIcon( handle
);
239 ULONG_PTR
get_icon_param( HICON handle
)
242 struct cursoricon_object
*obj
= get_user_handle_ptr( handle
, USER_ICON
);
244 if (obj
== OBJ_OTHER_PROCESS
) WARN( "icon handle %p from other process\n", handle
);
248 release_user_handle_ptr( obj
);
253 ULONG_PTR
set_icon_param( HICON handle
, ULONG_PTR param
)
256 struct cursoricon_object
*obj
= get_user_handle_ptr( handle
, USER_ICON
);
258 if (obj
== OBJ_OTHER_PROCESS
) WARN( "icon handle %p from other process\n", handle
);
263 release_user_handle_ptr( obj
);
269 /***********************************************************************
272 * Helper function to map a file to memory:
274 * [RETURN] ptr - pointer to mapped file
275 * [RETURN] filesize - pointer size of file to be stored if not NULL
277 static const void *map_fileW( LPCWSTR name
, LPDWORD filesize
)
279 HANDLE hFile
, hMapping
;
282 hFile
= CreateFileW( name
, GENERIC_READ
, FILE_SHARE_READ
, NULL
,
283 OPEN_EXISTING
, FILE_FLAG_RANDOM_ACCESS
, 0 );
284 if (hFile
!= INVALID_HANDLE_VALUE
)
286 hMapping
= CreateFileMappingW( hFile
, NULL
, PAGE_READONLY
, 0, 0, NULL
);
289 ptr
= MapViewOfFile( hMapping
, FILE_MAP_READ
, 0, 0, 0 );
290 CloseHandle( hMapping
);
292 *filesize
= GetFileSize( hFile
, NULL
);
294 CloseHandle( hFile
);
300 /***********************************************************************
303 * Return the size of a DIB bitmap in bytes.
305 static int get_dib_image_size( int width
, int height
, int depth
)
307 return (((width
* depth
+ 31) / 8) & ~3) * abs( height
);
311 /***********************************************************************
314 * Return the size of the bitmap info structure including color table.
316 int bitmap_info_size( const BITMAPINFO
* info
, WORD coloruse
)
318 unsigned int colors
, size
, masks
= 0;
320 if (info
->bmiHeader
.biSize
== sizeof(BITMAPCOREHEADER
))
322 const BITMAPCOREHEADER
*core
= (const BITMAPCOREHEADER
*)info
;
323 colors
= (core
->bcBitCount
<= 8) ? 1 << core
->bcBitCount
: 0;
324 return sizeof(BITMAPCOREHEADER
) + colors
*
325 ((coloruse
== DIB_RGB_COLORS
) ? sizeof(RGBTRIPLE
) : sizeof(WORD
));
327 else /* assume BITMAPINFOHEADER */
329 colors
= info
->bmiHeader
.biClrUsed
;
330 if (colors
> 256) /* buffer overflow otherwise */
332 if (!colors
&& (info
->bmiHeader
.biBitCount
<= 8))
333 colors
= 1 << info
->bmiHeader
.biBitCount
;
334 if (info
->bmiHeader
.biCompression
== BI_BITFIELDS
) masks
= 3;
335 size
= max( info
->bmiHeader
.biSize
, sizeof(BITMAPINFOHEADER
) + masks
* sizeof(DWORD
) );
336 return size
+ colors
* ((coloruse
== DIB_RGB_COLORS
) ? sizeof(RGBQUAD
) : sizeof(WORD
));
341 /***********************************************************************
344 * Helper function to duplicate a bitmap.
346 static HBITMAP
copy_bitmap( HBITMAP bitmap
)
349 HBITMAP new_bitmap
= 0;
352 if (!bitmap
) return 0;
353 if (!GetObjectW( bitmap
, sizeof(bmp
), &bmp
)) return 0;
355 if ((src
= CreateCompatibleDC( 0 )) && (dst
= CreateCompatibleDC( 0 )))
357 SelectObject( src
, bitmap
);
358 if ((new_bitmap
= CreateCompatibleBitmap( src
, bmp
.bmWidth
, bmp
.bmHeight
)))
360 SelectObject( dst
, new_bitmap
);
361 BitBlt( dst
, 0, 0, bmp
.bmWidth
, bmp
.bmHeight
, src
, 0, 0, SRCCOPY
);
370 /***********************************************************************
373 * Returns whether a DIB can be converted to a monochrome DDB.
375 * A DIB can be converted if its color table contains only black and
376 * white. Black must be the first color in the color table.
378 * Note : If the first color in the color table is white followed by
379 * black, we can't convert it to a monochrome DDB with
380 * SetDIBits, because black and white would be inverted.
382 static BOOL
is_dib_monochrome( const BITMAPINFO
* info
)
384 if (info
->bmiHeader
.biSize
== sizeof(BITMAPCOREHEADER
))
386 const RGBTRIPLE
*rgb
= ((const BITMAPCOREINFO
*)info
)->bmciColors
;
388 if (((const BITMAPCOREINFO
*)info
)->bmciHeader
.bcBitCount
!= 1) return FALSE
;
390 /* Check if the first color is black */
391 if ((rgb
->rgbtRed
== 0) && (rgb
->rgbtGreen
== 0) && (rgb
->rgbtBlue
== 0))
395 /* Check if the second color is white */
396 return ((rgb
->rgbtRed
== 0xff) && (rgb
->rgbtGreen
== 0xff)
397 && (rgb
->rgbtBlue
== 0xff));
401 else /* assume BITMAPINFOHEADER */
403 const RGBQUAD
*rgb
= info
->bmiColors
;
405 if (info
->bmiHeader
.biBitCount
!= 1) return FALSE
;
407 /* Check if the first color is black */
408 if ((rgb
->rgbRed
== 0) && (rgb
->rgbGreen
== 0) &&
409 (rgb
->rgbBlue
== 0) && (rgb
->rgbReserved
== 0))
413 /* Check if the second color is white */
414 return ((rgb
->rgbRed
== 0xff) && (rgb
->rgbGreen
== 0xff)
415 && (rgb
->rgbBlue
== 0xff) && (rgb
->rgbReserved
== 0));
421 /***********************************************************************
424 * Get the info from a bitmap header.
425 * Return 1 for INFOHEADER, 0 for COREHEADER, -1 in case of failure.
427 static int DIB_GetBitmapInfo( const BITMAPINFOHEADER
*header
, LONG
*width
,
428 LONG
*height
, WORD
*bpp
, DWORD
*compr
)
430 if (header
->biSize
== sizeof(BITMAPCOREHEADER
))
432 const BITMAPCOREHEADER
*core
= (const BITMAPCOREHEADER
*)header
;
433 *width
= core
->bcWidth
;
434 *height
= core
->bcHeight
;
435 *bpp
= core
->bcBitCount
;
439 else if (header
->biSize
== sizeof(BITMAPINFOHEADER
) ||
440 header
->biSize
== sizeof(BITMAPV4HEADER
) ||
441 header
->biSize
== sizeof(BITMAPV5HEADER
))
443 *width
= header
->biWidth
;
444 *height
= header
->biHeight
;
445 *bpp
= header
->biBitCount
;
446 *compr
= header
->biCompression
;
449 WARN("unknown/wrong size (%u) for header\n", header
->biSize
);
453 /**********************************************************************
456 BOOL
get_icon_size( HICON handle
, SIZE
*size
)
458 struct cursoricon_object
*info
;
459 struct cursoricon_frame
*frame
;
461 if (!(info
= get_icon_ptr( handle
))) return FALSE
;
462 frame
= get_icon_frame( info
, 0 );
463 size
->cx
= frame
->width
;
464 size
->cy
= frame
->height
;
465 release_icon_frame( info
, frame
);
466 release_user_handle_ptr( info
);
471 * The following macro functions account for the irregularities of
472 * accessing cursor and icon resources in files and resource entries.
474 typedef BOOL (*fnGetCIEntry
)( LPCVOID dir
, DWORD size
, int n
,
475 int *width
, int *height
, int *bits
);
477 /**********************************************************************
478 * CURSORICON_FindBestIcon
480 * Find the icon closest to the requested size and bit depth.
482 static int CURSORICON_FindBestIcon( LPCVOID dir
, DWORD size
, fnGetCIEntry get_entry
,
483 int width
, int height
, int depth
, UINT loadflags
)
485 int i
, cx
, cy
, bits
, bestEntry
= -1;
486 UINT iTotalDiff
, iXDiff
=0, iYDiff
=0, iColorDiff
;
487 UINT iTempXDiff
, iTempYDiff
, iTempColorDiff
;
490 iTotalDiff
= 0xFFFFFFFF;
491 iColorDiff
= 0xFFFFFFFF;
493 if (loadflags
& LR_DEFAULTSIZE
)
495 if (!width
) width
= GetSystemMetrics( SM_CXICON
);
496 if (!height
) height
= GetSystemMetrics( SM_CYICON
);
498 else if (!width
&& !height
)
500 /* use the size of the first entry */
501 if (!get_entry( dir
, size
, 0, &width
, &height
, &bits
)) return -1;
505 for ( i
= 0; iTotalDiff
&& get_entry( dir
, size
, i
, &cx
, &cy
, &bits
); i
++ )
507 iTempXDiff
= abs(width
- cx
);
508 iTempYDiff
= abs(height
- cy
);
510 if(iTotalDiff
> (iTempXDiff
+ iTempYDiff
))
514 iTotalDiff
= iXDiff
+ iYDiff
;
518 /* Find Best Colors for Best Fit */
519 for ( i
= 0; get_entry( dir
, size
, i
, &cx
, &cy
, &bits
); i
++ )
521 if(abs(width
- cx
) == iXDiff
&& abs(height
- cy
) == iYDiff
)
523 iTempColorDiff
= abs(depth
- bits
);
524 if(iColorDiff
> iTempColorDiff
)
527 iColorDiff
= iTempColorDiff
;
535 static BOOL
CURSORICON_GetResIconEntry( LPCVOID dir
, DWORD size
, int n
,
536 int *width
, int *height
, int *bits
)
538 const CURSORICONDIR
*resdir
= dir
;
539 const ICONRESDIR
*icon
;
541 if ( resdir
->idCount
<= n
)
543 if ((const char *)&resdir
->idEntries
[n
+ 1] - (const char *)dir
> size
)
545 icon
= &resdir
->idEntries
[n
].ResInfo
.icon
;
546 *width
= icon
->bWidth
;
547 *height
= icon
->bHeight
;
548 *bits
= resdir
->idEntries
[n
].wBitCount
;
552 /**********************************************************************
553 * CURSORICON_FindBestCursor
555 * Find the cursor closest to the requested size.
557 * FIXME: parameter 'color' ignored.
559 static int CURSORICON_FindBestCursor( LPCVOID dir
, DWORD size
, fnGetCIEntry get_entry
,
560 int width
, int height
, int depth
, UINT loadflags
)
562 int i
, maxwidth
, maxheight
, maxbits
, cx
, cy
, bits
, bestEntry
= -1;
564 if (loadflags
& LR_DEFAULTSIZE
)
566 if (!width
) width
= GetSystemMetrics( SM_CXCURSOR
);
567 if (!height
) height
= GetSystemMetrics( SM_CYCURSOR
);
569 else if (!width
&& !height
)
571 /* use the first entry */
572 if (!get_entry( dir
, size
, 0, &width
, &height
, &bits
)) return -1;
576 /* First find the largest one smaller than or equal to the requested size*/
578 maxwidth
= maxheight
= maxbits
= 0;
579 for ( i
= 0; get_entry( dir
, size
, i
, &cx
, &cy
, &bits
); i
++ )
581 if (cx
> width
|| cy
> height
) continue;
582 if (cx
< maxwidth
|| cy
< maxheight
) continue;
583 if (cx
== maxwidth
&& cy
== maxheight
)
585 if (loadflags
& LR_MONOCHROME
)
587 if (maxbits
&& bits
>= maxbits
) continue;
589 else if (bits
<= maxbits
) continue;
596 if (bestEntry
!= -1) return bestEntry
;
598 /* Now find the smallest one larger than the requested size */
600 maxwidth
= maxheight
= 255;
601 for ( i
= 0; get_entry( dir
, size
, i
, &cx
, &cy
, &bits
); i
++ )
603 if (cx
> maxwidth
|| cy
> maxheight
) continue;
604 if (cx
== maxwidth
&& cy
== maxheight
)
606 if (loadflags
& LR_MONOCHROME
)
608 if (maxbits
&& bits
>= maxbits
) continue;
610 else if (bits
<= maxbits
) continue;
617 if (bestEntry
== -1) bestEntry
= 0;
622 static BOOL
CURSORICON_GetResCursorEntry( LPCVOID dir
, DWORD size
, int n
,
623 int *width
, int *height
, int *bits
)
625 const CURSORICONDIR
*resdir
= dir
;
626 const CURSORDIR
*cursor
;
628 if ( resdir
->idCount
<= n
)
630 if ((const char *)&resdir
->idEntries
[n
+ 1] - (const char *)dir
> size
)
632 cursor
= &resdir
->idEntries
[n
].ResInfo
.cursor
;
633 *width
= cursor
->wWidth
;
634 *height
= cursor
->wHeight
;
635 *bits
= resdir
->idEntries
[n
].wBitCount
;
636 if (*height
== *width
* 2) *height
/= 2;
640 static const CURSORICONDIRENTRY
*CURSORICON_FindBestIconRes( const CURSORICONDIR
* dir
, DWORD size
,
641 int width
, int height
, int depth
,
646 n
= CURSORICON_FindBestIcon( dir
, size
, CURSORICON_GetResIconEntry
,
647 width
, height
, depth
, loadflags
);
650 return &dir
->idEntries
[n
];
653 static const CURSORICONDIRENTRY
*CURSORICON_FindBestCursorRes( const CURSORICONDIR
*dir
, DWORD size
,
654 int width
, int height
, int depth
,
657 int n
= CURSORICON_FindBestCursor( dir
, size
, CURSORICON_GetResCursorEntry
,
658 width
, height
, depth
, loadflags
);
661 return &dir
->idEntries
[n
];
664 static BOOL
CURSORICON_GetFileEntry( LPCVOID dir
, DWORD size
, int n
,
665 int *width
, int *height
, int *bits
)
667 const CURSORICONFILEDIR
*filedir
= dir
;
668 const CURSORICONFILEDIRENTRY
*entry
;
669 const BITMAPINFOHEADER
*info
;
671 if ( filedir
->idCount
<= n
)
673 if ((const char *)&filedir
->idEntries
[n
+ 1] - (const char *)dir
> size
)
675 entry
= &filedir
->idEntries
[n
];
676 info
= (const BITMAPINFOHEADER
*)((const char *)dir
+ entry
->dwDIBOffset
);
677 if (info
->biSize
!= sizeof(BITMAPCOREHEADER
))
679 if ((const char *)(info
+ 1) - (const char *)dir
> size
) return FALSE
;
680 *bits
= info
->biBitCount
;
684 const BITMAPCOREHEADER
*coreinfo
= (const BITMAPCOREHEADER
*)((const char *)dir
+ entry
->dwDIBOffset
);
685 if ((const char *)(coreinfo
+ 1) - (const char *)dir
> size
) return FALSE
;
686 *bits
= coreinfo
->bcBitCount
;
688 *width
= entry
->bWidth
;
689 *height
= entry
->bHeight
;
693 static const CURSORICONFILEDIRENTRY
*CURSORICON_FindBestCursorFile( const CURSORICONFILEDIR
*dir
, DWORD size
,
694 int width
, int height
, int depth
,
697 int n
= CURSORICON_FindBestCursor( dir
, size
, CURSORICON_GetFileEntry
,
698 width
, height
, depth
, loadflags
);
701 return &dir
->idEntries
[n
];
704 static const CURSORICONFILEDIRENTRY
*CURSORICON_FindBestIconFile( const CURSORICONFILEDIR
*dir
, DWORD size
,
705 int width
, int height
, int depth
,
708 int n
= CURSORICON_FindBestIcon( dir
, size
, CURSORICON_GetFileEntry
,
709 width
, height
, depth
, loadflags
);
712 return &dir
->idEntries
[n
];
715 /***********************************************************************
718 static BOOL
bmi_has_alpha( const BITMAPINFO
*info
, const void *bits
)
721 BOOL has_alpha
= FALSE
;
722 const unsigned char *ptr
= bits
;
724 if (info
->bmiHeader
.biBitCount
!= 32) return FALSE
;
725 for (i
= 0; i
< info
->bmiHeader
.biWidth
* abs(info
->bmiHeader
.biHeight
); i
++, ptr
+= 4)
726 if ((has_alpha
= (ptr
[3] != 0))) break;
730 /***********************************************************************
731 * create_alpha_bitmap
733 * Create the alpha bitmap for a 32-bpp icon that has an alpha channel.
735 static HBITMAP
create_alpha_bitmap( HBITMAP color
, const BITMAPINFO
*src_info
, const void *color_bits
)
738 BITMAPINFO
*info
= NULL
;
745 if (!GetObjectW( color
, sizeof(bm
), &bm
)) return 0;
746 if (bm
.bmBitsPixel
!= 32) return 0;
748 if (!(hdc
= CreateCompatibleDC( 0 ))) return 0;
749 if (!(info
= HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO
, bmiColors
[256] )))) goto done
;
750 info
->bmiHeader
.biSize
= sizeof(BITMAPINFOHEADER
);
751 info
->bmiHeader
.biWidth
= bm
.bmWidth
;
752 info
->bmiHeader
.biHeight
= -bm
.bmHeight
;
753 info
->bmiHeader
.biPlanes
= 1;
754 info
->bmiHeader
.biBitCount
= 32;
755 info
->bmiHeader
.biCompression
= BI_RGB
;
756 info
->bmiHeader
.biSizeImage
= bm
.bmWidth
* bm
.bmHeight
* 4;
757 info
->bmiHeader
.biXPelsPerMeter
= 0;
758 info
->bmiHeader
.biYPelsPerMeter
= 0;
759 info
->bmiHeader
.biClrUsed
= 0;
760 info
->bmiHeader
.biClrImportant
= 0;
761 if (!(alpha
= CreateDIBSection( hdc
, info
, DIB_RGB_COLORS
, &bits
, NULL
, 0 ))) goto done
;
765 SelectObject( hdc
, alpha
);
766 StretchDIBits( hdc
, 0, 0, bm
.bmWidth
, bm
.bmHeight
,
767 0, 0, src_info
->bmiHeader
.biWidth
, src_info
->bmiHeader
.biHeight
,
768 color_bits
, src_info
, DIB_RGB_COLORS
, SRCCOPY
);
773 GetDIBits( hdc
, color
, 0, bm
.bmHeight
, bits
, info
, DIB_RGB_COLORS
);
774 if (!bmi_has_alpha( info
, bits
))
776 DeleteObject( alpha
);
782 /* pre-multiply by alpha */
783 for (i
= 0, ptr
= bits
; i
< bm
.bmWidth
* bm
.bmHeight
; i
++, ptr
+= 4)
785 unsigned int alpha
= ptr
[3];
786 ptr
[0] = ptr
[0] * alpha
/ 255;
787 ptr
[1] = ptr
[1] * alpha
/ 255;
788 ptr
[2] = ptr
[2] * alpha
/ 255;
793 HeapFree( GetProcessHeap(), 0, info
);
798 /***********************************************************************
799 * create_icon_from_bmi
801 * Create an icon from its BITMAPINFO.
803 static HICON
create_icon_from_bmi( const BITMAPINFO
*bmi
, DWORD maxsize
, HMODULE module
, LPCWSTR resname
,
804 HRSRC rsrc
, POINT hotspot
, BOOL bIcon
, INT width
, INT height
,
807 DWORD size
, color_size
, mask_size
;
808 HBITMAP color
= 0, mask
= 0, alpha
= 0;
809 const void *color_bits
, *mask_bits
;
810 BITMAPINFO
*bmi_copy
;
816 LONG bmi_width
, bmi_height
;
820 /* Check bitmap header */
822 if (maxsize
< sizeof(BITMAPCOREHEADER
))
824 WARN( "invalid size %u\n", maxsize
);
827 if (maxsize
< bmi
->bmiHeader
.biSize
)
829 WARN( "invalid header size %u\n", bmi
->bmiHeader
.biSize
);
832 if ( (bmi
->bmiHeader
.biSize
!= sizeof(BITMAPCOREHEADER
)) &&
833 (bmi
->bmiHeader
.biSize
!= sizeof(BITMAPINFOHEADER
) ||
834 (bmi
->bmiHeader
.biCompression
!= BI_RGB
&&
835 bmi
->bmiHeader
.biCompression
!= BI_BITFIELDS
)) )
837 WARN( "invalid bitmap header %u\n", bmi
->bmiHeader
.biSize
);
841 size
= bitmap_info_size( bmi
, DIB_RGB_COLORS
);
842 DIB_GetBitmapInfo(&bmi
->bmiHeader
, &bmi_width
, &bmi_height
, &bpp
, &compr
);
843 color_size
= get_dib_image_size( bmi_width
, bmi_height
/ 2,
845 mask_size
= get_dib_image_size( bmi_width
, bmi_height
/ 2, 1 );
846 if (size
> maxsize
|| color_size
> maxsize
- size
)
848 WARN( "truncated file %u < %u+%u+%u\n", maxsize
, size
, color_size
, mask_size
);
851 if (mask_size
> maxsize
- size
- color_size
) mask_size
= 0; /* no mask */
853 if (cFlag
& LR_DEFAULTSIZE
)
855 if (!width
) width
= GetSystemMetrics( bIcon
? SM_CXICON
: SM_CXCURSOR
);
856 if (!height
) height
= GetSystemMetrics( bIcon
? SM_CYICON
: SM_CYCURSOR
);
860 if (!width
) width
= bmi_width
;
861 if (!height
) height
= bmi_height
/2;
863 do_stretch
= (bmi_height
/2 != height
) ||
864 (bmi_width
!= width
);
866 /* Scale the hotspot */
869 hotspot
.x
= width
/ 2;
870 hotspot
.y
= height
/ 2;
874 hotspot
.x
= (hotspot
.x
* width
) / bmi_width
;
875 hotspot
.y
= (hotspot
.y
* height
) / (bmi_height
/ 2);
878 if (!(screen_dc
= get_screen_dc())) return 0;
880 if (!(bmi_copy
= HeapAlloc( GetProcessHeap(), 0, max( size
, FIELD_OFFSET( BITMAPINFO
, bmiColors
[2] )))))
882 if (!(hdc
= CreateCompatibleDC( 0 ))) goto done
;
884 memcpy( bmi_copy
, bmi
, size
);
885 if (bmi_copy
->bmiHeader
.biSize
!= sizeof(BITMAPCOREHEADER
))
886 bmi_copy
->bmiHeader
.biHeight
/= 2;
888 ((BITMAPCOREINFO
*)bmi_copy
)->bmciHeader
.bcHeight
/= 2;
891 color_bits
= (const char*)bmi
+ size
;
892 mask_bits
= (const char*)color_bits
+ color_size
;
895 if (is_dib_monochrome( bmi
))
897 if (!(mask
= CreateBitmap( width
, height
* 2, 1, 1, NULL
))) goto done
;
900 /* copy color data into second half of mask bitmap */
901 SelectObject( hdc
, mask
);
902 StretchDIBits( hdc
, 0, height
, width
, height
,
903 0, 0, bmi_width
, bmi_height
,
904 color_bits
, bmi_copy
, DIB_RGB_COLORS
, SRCCOPY
);
908 if (!(mask
= CreateBitmap( width
, height
, 1, 1, NULL
))) goto done
;
909 if (!(color
= CreateBitmap( width
, height
, GetDeviceCaps( screen_dc
, PLANES
),
910 GetDeviceCaps( screen_dc
, BITSPIXEL
), NULL
)))
912 DeleteObject( mask
);
915 SelectObject( hdc
, color
);
916 StretchDIBits( hdc
, 0, 0, width
, height
,
917 0, 0, bmi_width
, bmi_height
,
918 color_bits
, bmi_copy
, DIB_RGB_COLORS
, SRCCOPY
);
920 if (bmi_has_alpha( bmi_copy
, color_bits
))
921 alpha
= create_alpha_bitmap( color
, bmi_copy
, color_bits
);
923 /* convert info to monochrome to copy the mask */
924 if (bmi_copy
->bmiHeader
.biSize
!= sizeof(BITMAPCOREHEADER
))
926 RGBQUAD
*rgb
= bmi_copy
->bmiColors
;
928 bmi_copy
->bmiHeader
.biBitCount
= 1;
929 bmi_copy
->bmiHeader
.biClrUsed
= bmi_copy
->bmiHeader
.biClrImportant
= 2;
930 rgb
[0].rgbBlue
= rgb
[0].rgbGreen
= rgb
[0].rgbRed
= 0x00;
931 rgb
[1].rgbBlue
= rgb
[1].rgbGreen
= rgb
[1].rgbRed
= 0xff;
932 rgb
[0].rgbReserved
= rgb
[1].rgbReserved
= 0;
936 RGBTRIPLE
*rgb
= (RGBTRIPLE
*)(((BITMAPCOREHEADER
*)bmi_copy
) + 1);
938 ((BITMAPCOREINFO
*)bmi_copy
)->bmciHeader
.bcBitCount
= 1;
939 rgb
[0].rgbtBlue
= rgb
[0].rgbtGreen
= rgb
[0].rgbtRed
= 0x00;
940 rgb
[1].rgbtBlue
= rgb
[1].rgbtGreen
= rgb
[1].rgbtRed
= 0xff;
946 SelectObject( hdc
, mask
);
947 StretchDIBits( hdc
, 0, 0, width
, height
,
948 0, 0, bmi_width
, bmi_height
,
949 mask_bits
, bmi_copy
, DIB_RGB_COLORS
, SRCCOPY
);
955 HeapFree( GetProcessHeap(), 0, bmi_copy
);
958 hObj
= alloc_icon_handle( FALSE
, 0 );
961 struct cursoricon_object
*info
= get_icon_ptr( hObj
);
962 struct cursoricon_frame
*frame
;
964 info
->is_icon
= bIcon
;
965 info
->module
= module
;
966 info
->hotspot
= hotspot
;
967 frame
= get_icon_frame( info
, 0 );
969 frame
->width
= width
;
970 frame
->height
= height
;
971 frame
->color
= color
;
973 frame
->alpha
= alpha
;
974 release_icon_frame( info
, frame
);
975 if (!IS_INTRESOURCE(resname
))
977 info
->resname
= HeapAlloc( GetProcessHeap(), 0, (strlenW(resname
) + 1) * sizeof(WCHAR
) );
978 if (info
->resname
) strcpyW( info
->resname
, resname
);
980 else info
->resname
= MAKEINTRESOURCEW( LOWORD(resname
) );
982 if (module
&& (cFlag
& LR_SHARED
))
985 list_add_head( &icon_cache
, &info
->entry
);
987 release_user_handle_ptr( info
);
991 DeleteObject( color
);
992 DeleteObject( alpha
);
993 DeleteObject( mask
);
999 /**********************************************************************
1000 * .ANI cursor support
1002 #define RIFF_FOURCC( c0, c1, c2, c3 ) \
1003 ( (DWORD)(BYTE)(c0) | ( (DWORD)(BYTE)(c1) << 8 ) | \
1004 ( (DWORD)(BYTE)(c2) << 16 ) | ( (DWORD)(BYTE)(c3) << 24 ) )
1006 #define ANI_RIFF_ID RIFF_FOURCC('R', 'I', 'F', 'F')
1007 #define ANI_LIST_ID RIFF_FOURCC('L', 'I', 'S', 'T')
1008 #define ANI_ACON_ID RIFF_FOURCC('A', 'C', 'O', 'N')
1009 #define ANI_anih_ID RIFF_FOURCC('a', 'n', 'i', 'h')
1010 #define ANI_seq__ID RIFF_FOURCC('s', 'e', 'q', ' ')
1011 #define ANI_fram_ID RIFF_FOURCC('f', 'r', 'a', 'm')
1012 #define ANI_rate_ID RIFF_FOURCC('r', 'a', 't', 'e')
1014 #define ANI_FLAG_ICON 0x1
1015 #define ANI_FLAG_SEQUENCE 0x2
1031 const unsigned char *data
;
1034 static void dump_ani_header( const ani_header
*header
)
1036 TRACE(" header size: %d\n", header
->header_size
);
1037 TRACE(" frames: %d\n", header
->num_frames
);
1038 TRACE(" steps: %d\n", header
->num_steps
);
1039 TRACE(" width: %d\n", header
->width
);
1040 TRACE(" height: %d\n", header
->height
);
1041 TRACE(" bpp: %d\n", header
->bpp
);
1042 TRACE(" planes: %d\n", header
->num_planes
);
1043 TRACE(" display rate: %d\n", header
->display_rate
);
1044 TRACE(" flags: 0x%08x\n", header
->flags
);
1066 static void riff_find_chunk( DWORD chunk_id
, DWORD chunk_type
, const riff_chunk_t
*parent_chunk
, riff_chunk_t
*chunk
)
1068 const unsigned char *ptr
= parent_chunk
->data
;
1069 const unsigned char *end
= parent_chunk
->data
+ (parent_chunk
->data_size
- (2 * sizeof(DWORD
)));
1071 if (chunk_type
== ANI_LIST_ID
|| chunk_type
== ANI_RIFF_ID
) end
-= sizeof(DWORD
);
1075 if ((!chunk_type
&& *(const DWORD
*)ptr
== chunk_id
)
1076 || (chunk_type
&& *(const DWORD
*)ptr
== chunk_type
&& *((const DWORD
*)ptr
+ 2) == chunk_id
))
1078 ptr
+= sizeof(DWORD
);
1079 chunk
->data_size
= (*(const DWORD
*)ptr
+ 1) & ~1;
1080 ptr
+= sizeof(DWORD
);
1081 if (chunk_type
== ANI_LIST_ID
|| chunk_type
== ANI_RIFF_ID
) ptr
+= sizeof(DWORD
);
1087 ptr
+= sizeof(DWORD
);
1088 ptr
+= (*(const DWORD
*)ptr
+ 1) & ~1;
1089 ptr
+= sizeof(DWORD
);
1097 * RIFF:'ACON' RIFF chunk
1098 * |- CHUNK:'anih' Header
1099 * |- CHUNK:'seq ' Sequence information (optional)
1100 * \- LIST:'fram' Frame list
1101 * |- CHUNK:icon Cursor frames
1106 static HCURSOR
CURSORICON_CreateIconFromANI( const BYTE
*bits
, DWORD bits_size
, INT width
, INT height
,
1107 INT depth
, BOOL is_icon
, UINT loadflags
)
1109 struct animated_cursoricon_object
*ani_icon_data
;
1110 struct cursoricon_object
*info
;
1111 DWORD
*frame_rates
= NULL
;
1112 DWORD
*frame_seq
= NULL
;
1114 BOOL use_seq
= FALSE
;
1120 riff_chunk_t root_chunk
= { bits_size
, bits
};
1121 riff_chunk_t ACON_chunk
= {0};
1122 riff_chunk_t anih_chunk
= {0};
1123 riff_chunk_t fram_chunk
= {0};
1124 riff_chunk_t rate_chunk
= {0};
1125 riff_chunk_t seq_chunk
= {0};
1126 const unsigned char *icon_chunk
;
1127 const unsigned char *icon_data
;
1129 TRACE("bits %p, bits_size %d\n", bits
, bits_size
);
1131 riff_find_chunk( ANI_ACON_ID
, ANI_RIFF_ID
, &root_chunk
, &ACON_chunk
);
1132 if (!ACON_chunk
.data
)
1134 ERR("Failed to get root chunk.\n");
1138 riff_find_chunk( ANI_anih_ID
, 0, &ACON_chunk
, &anih_chunk
);
1139 if (!anih_chunk
.data
)
1141 ERR("Failed to get 'anih' chunk.\n");
1144 memcpy( &header
, anih_chunk
.data
, sizeof(header
) );
1145 dump_ani_header( &header
);
1147 if (!(header
.flags
& ANI_FLAG_ICON
))
1149 FIXME("Raw animated icon/cursor data is not currently supported.\n");
1153 if (header
.flags
& ANI_FLAG_SEQUENCE
)
1155 riff_find_chunk( ANI_seq__ID
, 0, &ACON_chunk
, &seq_chunk
);
1158 frame_seq
= (DWORD
*) seq_chunk
.data
;
1163 FIXME("Sequence data expected but not found, assuming steps == frames.\n");
1164 header
.num_steps
= header
.num_frames
;
1168 riff_find_chunk( ANI_rate_ID
, 0, &ACON_chunk
, &rate_chunk
);
1169 if (rate_chunk
.data
)
1170 frame_rates
= (DWORD
*) rate_chunk
.data
;
1172 riff_find_chunk( ANI_fram_ID
, ANI_LIST_ID
, &ACON_chunk
, &fram_chunk
);
1173 if (!fram_chunk
.data
)
1175 ERR("Failed to get icon list.\n");
1179 cursor
= alloc_icon_handle( TRUE
, header
.num_steps
);
1180 if (!cursor
) return 0;
1181 frames
= HeapAlloc( GetProcessHeap(), 0, sizeof(*frames
) * header
.num_frames
);
1184 free_icon_handle( cursor
);
1188 info
= get_icon_ptr( cursor
);
1189 ani_icon_data
= (struct animated_cursoricon_object
*) info
;
1190 info
->is_icon
= is_icon
;
1191 ani_icon_data
->num_frames
= header
.num_frames
;
1193 /* The .ANI stores the display rate in jiffies (1/60s) */
1194 info
->delay
= header
.display_rate
;
1196 icon_chunk
= fram_chunk
.data
;
1197 icon_data
= fram_chunk
.data
+ (2 * sizeof(DWORD
));
1198 for (i
=0; i
<header
.num_frames
; i
++)
1200 const DWORD chunk_size
= *(const DWORD
*)(icon_chunk
+ sizeof(DWORD
));
1201 const CURSORICONFILEDIRENTRY
*entry
;
1202 INT frameWidth
, frameHeight
;
1203 const BITMAPINFO
*bmi
;
1205 entry
= CURSORICON_FindBestIconFile((const CURSORICONFILEDIR
*) icon_data
,
1206 bits
+ bits_size
- icon_data
,
1207 width
, height
, depth
, loadflags
);
1209 info
->hotspot
.x
= entry
->xHotspot
;
1210 info
->hotspot
.y
= entry
->yHotspot
;
1211 if (!header
.width
|| !header
.height
)
1213 frameWidth
= entry
->bWidth
;
1214 frameHeight
= entry
->bHeight
;
1218 frameWidth
= header
.width
;
1219 frameHeight
= header
.height
;
1223 if (entry
->dwDIBOffset
< bits
+ bits_size
- icon_data
)
1225 bmi
= (const BITMAPINFO
*) (icon_data
+ entry
->dwDIBOffset
);
1226 /* Grab a frame from the animation */
1227 frames
[i
] = create_icon_from_bmi( bmi
, bits
+ bits_size
- (const BYTE
*)bmi
,
1228 NULL
, NULL
, NULL
, info
->hotspot
,
1229 is_icon
, frameWidth
, frameHeight
, loadflags
);
1234 FIXME_(cursor
)("failed to convert animated cursor frame.\n");
1238 FIXME_(cursor
)("Completely failed to create animated cursor!\n");
1239 ani_icon_data
->num_frames
= 0;
1240 release_user_handle_ptr( info
);
1241 free_icon_handle( cursor
);
1242 HeapFree( GetProcessHeap(), 0, frames
);
1248 /* Advance to the next chunk */
1249 icon_chunk
+= chunk_size
+ (2 * sizeof(DWORD
));
1250 icon_data
= icon_chunk
+ (2 * sizeof(DWORD
));
1253 /* There was an error but we at least decoded the first frame, so just use that frame */
1256 FIXME_(cursor
)("Error creating animated cursor, only using first frame!\n");
1257 for (i
=1; i
<ani_icon_data
->num_frames
; i
++)
1258 free_icon_handle( ani_icon_data
->frames
[i
] );
1261 ani_icon_data
->num_steps
= 1;
1262 ani_icon_data
->num_frames
= 1;
1265 /* Setup the animated frames in the correct sequence */
1266 for (i
=0; i
<ani_icon_data
->num_steps
; i
++)
1268 DWORD frame_id
= use_seq
? frame_seq
[i
] : i
;
1269 struct cursoricon_frame
*frame
;
1271 if (frame_id
>= ani_icon_data
->num_frames
)
1273 frame_id
= ani_icon_data
->num_frames
-1;
1274 ERR_(cursor
)("Sequence indicates frame past end of list, corrupt?\n");
1276 ani_icon_data
->frames
[i
] = frames
[frame_id
];
1277 frame
= get_icon_frame( info
, i
);
1279 frame
->delay
= frame_rates
[i
];
1282 release_icon_frame( info
, frame
);
1285 HeapFree( GetProcessHeap(), 0, frames
);
1286 release_user_handle_ptr( info
);
1292 /**********************************************************************
1293 * CreateIconFromResourceEx (USER32.@)
1295 * FIXME: Convert to mono when cFlag is LR_MONOCHROME.
1297 HICON WINAPI
CreateIconFromResourceEx( LPBYTE bits
, UINT cbSize
,
1298 BOOL bIcon
, DWORD dwVersion
,
1299 INT width
, INT height
,
1303 const BITMAPINFO
*bmi
;
1305 TRACE_(cursor
)("%p (%u bytes), ver %08x, %ix%i %s %s\n",
1306 bits
, cbSize
, dwVersion
, width
, height
,
1307 bIcon
? "icon" : "cursor", (cFlag
& LR_MONOCHROME
) ? "mono" : "" );
1309 if (!bits
) return 0;
1311 if (dwVersion
== 0x00020000)
1313 FIXME_(cursor
)("\t2.xx resources are not supported\n");
1317 /* Check if the resource is an animated icon/cursor */
1318 if (!memcmp(bits
, "RIFF", 4))
1319 return CURSORICON_CreateIconFromANI( bits
, cbSize
, width
, height
,
1320 0 /* default depth */, bIcon
, cFlag
);
1324 hotspot
.x
= width
/ 2;
1325 hotspot
.y
= height
/ 2;
1326 bmi
= (BITMAPINFO
*)bits
;
1328 else /* get the hotspot */
1330 const SHORT
*pt
= (const SHORT
*)bits
;
1333 bmi
= (const BITMAPINFO
*)(pt
+ 2);
1334 cbSize
-= 2 * sizeof(*pt
);
1337 return create_icon_from_bmi( bmi
, cbSize
, NULL
, NULL
, NULL
, hotspot
, bIcon
, width
, height
, cFlag
);
1341 /**********************************************************************
1342 * CreateIconFromResource (USER32.@)
1344 HICON WINAPI
CreateIconFromResource( LPBYTE bits
, UINT cbSize
,
1345 BOOL bIcon
, DWORD dwVersion
)
1347 return CreateIconFromResourceEx( bits
, cbSize
, bIcon
, dwVersion
, 0,0,0);
1351 static HICON
CURSORICON_LoadFromFile( LPCWSTR filename
,
1352 INT width
, INT height
, INT depth
,
1353 BOOL fCursor
, UINT loadflags
)
1355 const CURSORICONFILEDIRENTRY
*entry
;
1356 const CURSORICONFILEDIR
*dir
;
1362 TRACE("loading %s\n", debugstr_w( filename
));
1364 bits
= map_fileW( filename
, &filesize
);
1368 /* Check for .ani. */
1369 if (memcmp( bits
, "RIFF", 4 ) == 0)
1371 hIcon
= CURSORICON_CreateIconFromANI( bits
, filesize
, width
, height
, depth
, !fCursor
, loadflags
);
1375 dir
= (const CURSORICONFILEDIR
*) bits
;
1376 if ( filesize
< FIELD_OFFSET( CURSORICONFILEDIR
, idEntries
[dir
->idCount
] ))
1380 entry
= CURSORICON_FindBestCursorFile( dir
, filesize
, width
, height
, depth
, loadflags
);
1382 entry
= CURSORICON_FindBestIconFile( dir
, filesize
, width
, height
, depth
, loadflags
);
1387 /* check that we don't run off the end of the file */
1388 if ( entry
->dwDIBOffset
> filesize
)
1390 if ( entry
->dwDIBOffset
+ entry
->dwDIBSize
> filesize
)
1393 hotspot
.x
= entry
->xHotspot
;
1394 hotspot
.y
= entry
->yHotspot
;
1395 hIcon
= create_icon_from_bmi( (const BITMAPINFO
*)&bits
[entry
->dwDIBOffset
], filesize
- entry
->dwDIBOffset
,
1396 NULL
, NULL
, NULL
, hotspot
, !fCursor
, width
, height
, loadflags
);
1398 TRACE("loaded %s -> %p\n", debugstr_w( filename
), hIcon
);
1399 UnmapViewOfFile( bits
);
1403 /**********************************************************************
1406 * Load a cursor or icon from resource or file.
1408 static HICON
CURSORICON_Load(HINSTANCE hInstance
, LPCWSTR name
,
1409 INT width
, INT height
, INT depth
,
1410 BOOL fCursor
, UINT loadflags
)
1416 const CURSORICONDIR
*dir
;
1417 const CURSORICONDIRENTRY
*dirEntry
;
1422 TRACE("%p, %s, %dx%d, depth %d, fCursor %d, flags 0x%04x\n",
1423 hInstance
, debugstr_w(name
), width
, height
, depth
, fCursor
, loadflags
);
1425 if ( loadflags
& LR_LOADFROMFILE
) /* Load from file */
1426 return CURSORICON_LoadFromFile( name
, width
, height
, depth
, fCursor
, loadflags
);
1428 if (!hInstance
) hInstance
= user32_module
; /* Load OEM cursor/icon */
1430 /* don't cache 16-bit instances (FIXME: should never get 16-bit instances in the first place) */
1431 if ((ULONG_PTR
)hInstance
>> 16 == 0) loadflags
&= ~LR_SHARED
;
1433 /* Get directory resource ID */
1435 if (!(hRsrc
= FindResourceW( hInstance
, name
,
1436 (LPWSTR
)(fCursor
? RT_GROUP_CURSOR
: RT_GROUP_ICON
) )))
1438 /* try animated resource */
1439 if (!(hRsrc
= FindResourceW( hInstance
, name
,
1440 (LPWSTR
)(fCursor
? RT_ANICURSOR
: RT_ANIICON
) ))) return 0;
1441 if (!(handle
= LoadResource( hInstance
, hRsrc
))) return 0;
1442 bits
= LockResource( handle
);
1443 return CURSORICON_CreateIconFromANI( bits
, SizeofResource( hInstance
, handle
),
1444 width
, height
, depth
, !fCursor
, loadflags
);
1447 /* Find the best entry in the directory */
1449 if (!(handle
= LoadResource( hInstance
, hRsrc
))) return 0;
1450 if (!(dir
= LockResource( handle
))) return 0;
1451 size
= SizeofResource( hInstance
, hRsrc
);
1453 dirEntry
= CURSORICON_FindBestCursorRes( dir
, size
, width
, height
, depth
, loadflags
);
1455 dirEntry
= CURSORICON_FindBestIconRes( dir
, size
, width
, height
, depth
, loadflags
);
1456 if (!dirEntry
) return 0;
1457 wResId
= dirEntry
->wResId
;
1458 FreeResource( handle
);
1460 /* Load the resource */
1462 if (!(hRsrc
= FindResourceW(hInstance
,MAKEINTRESOURCEW(wResId
),
1463 (LPWSTR
)(fCursor
? RT_CURSOR
: RT_ICON
) ))) return 0;
1465 /* If shared icon, check whether it was already loaded */
1466 if (loadflags
& LR_SHARED
)
1468 struct cursoricon_object
*ptr
;
1471 LIST_FOR_EACH_ENTRY( ptr
, &icon_cache
, struct cursoricon_object
, entry
)
1473 if (ptr
->module
!= hInstance
) continue;
1474 if (ptr
->rsrc
!= hRsrc
) continue;
1475 hIcon
= ptr
->obj
.handle
;
1479 if (hIcon
) return hIcon
;
1482 if (!(handle
= LoadResource( hInstance
, hRsrc
))) return 0;
1483 size
= SizeofResource( hInstance
, hRsrc
);
1484 bits
= LockResource( handle
);
1488 hotspot
.x
= width
/ 2;
1489 hotspot
.y
= height
/ 2;
1491 else /* get the hotspot */
1493 const SHORT
*pt
= (const SHORT
*)bits
;
1496 bits
+= 2 * sizeof(SHORT
);
1497 size
-= 2 * sizeof(SHORT
);
1499 hIcon
= create_icon_from_bmi( (const BITMAPINFO
*)bits
, size
, hInstance
, name
, hRsrc
,
1500 hotspot
, !fCursor
, width
, height
, loadflags
);
1501 FreeResource( handle
);
1506 /***********************************************************************
1507 * CreateCursor (USER32.@)
1509 HCURSOR WINAPI
CreateCursor( HINSTANCE hInstance
,
1510 INT xHotSpot
, INT yHotSpot
,
1511 INT nWidth
, INT nHeight
,
1512 LPCVOID lpANDbits
, LPCVOID lpXORbits
)
1517 TRACE_(cursor
)("%dx%d spot=%d,%d xor=%p and=%p\n",
1518 nWidth
, nHeight
, xHotSpot
, yHotSpot
, lpXORbits
, lpANDbits
);
1521 info
.xHotspot
= xHotSpot
;
1522 info
.yHotspot
= yHotSpot
;
1523 info
.hbmMask
= CreateBitmap( nWidth
, nHeight
, 1, 1, lpANDbits
);
1524 info
.hbmColor
= CreateBitmap( nWidth
, nHeight
, 1, 1, lpXORbits
);
1525 hCursor
= CreateIconIndirect( &info
);
1526 DeleteObject( info
.hbmMask
);
1527 DeleteObject( info
.hbmColor
);
1532 /***********************************************************************
1533 * CreateIcon (USER32.@)
1535 * Creates an icon based on the specified bitmaps. The bitmaps must be
1536 * provided in a device dependent format and will be resized to
1537 * (SM_CXICON,SM_CYICON) and depth converted to match the screen's color
1538 * depth. The provided bitmaps must be top-down bitmaps.
1539 * Although Windows does not support 15bpp(*) this API must support it
1540 * for Winelib applications.
1542 * (*) Windows does not support 15bpp but it supports the 555 RGB 16bpp
1546 * Success: handle to an icon
1549 * FIXME: Do we need to resize the bitmaps?
1551 HICON WINAPI
CreateIcon(
1552 HINSTANCE hInstance
, /* [in] the application's hInstance */
1553 INT nWidth
, /* [in] the width of the provided bitmaps */
1554 INT nHeight
, /* [in] the height of the provided bitmaps */
1555 BYTE bPlanes
, /* [in] the number of planes in the provided bitmaps */
1556 BYTE bBitsPixel
, /* [in] the number of bits per pixel of the lpXORbits bitmap */
1557 LPCVOID lpANDbits
, /* [in] a monochrome bitmap representing the icon's mask */
1558 LPCVOID lpXORbits
) /* [in] the icon's 'color' bitmap */
1563 TRACE_(icon
)("%dx%d, planes %d, bpp %d, xor %p, and %p\n",
1564 nWidth
, nHeight
, bPlanes
, bBitsPixel
, lpXORbits
, lpANDbits
);
1567 iinfo
.xHotspot
= nWidth
/ 2;
1568 iinfo
.yHotspot
= nHeight
/ 2;
1569 iinfo
.hbmMask
= CreateBitmap( nWidth
, nHeight
, 1, 1, lpANDbits
);
1570 iinfo
.hbmColor
= CreateBitmap( nWidth
, nHeight
, bPlanes
, bBitsPixel
, lpXORbits
);
1572 hIcon
= CreateIconIndirect( &iinfo
);
1574 DeleteObject( iinfo
.hbmMask
);
1575 DeleteObject( iinfo
.hbmColor
);
1581 /***********************************************************************
1582 * CopyIcon (USER32.@)
1584 HICON WINAPI
CopyIcon( HICON hIcon
)
1586 struct cursoricon_object
*ptrOld
, *ptrNew
;
1589 if (!(ptrOld
= get_icon_ptr( hIcon
)))
1591 SetLastError( ERROR_INVALID_CURSOR_HANDLE
);
1594 if ((hNew
= alloc_icon_handle( FALSE
, 0 )))
1596 struct cursoricon_frame
*frameOld
, *frameNew
;
1598 ptrNew
= get_icon_ptr( hNew
);
1599 ptrNew
->is_icon
= ptrOld
->is_icon
;
1600 ptrNew
->hotspot
= ptrOld
->hotspot
;
1601 if (!(frameOld
= get_icon_frame( ptrOld
, 0 )))
1603 release_user_handle_ptr( ptrOld
);
1604 SetLastError( ERROR_INVALID_CURSOR_HANDLE
);
1607 if (!(frameNew
= get_icon_frame( ptrNew
, 0 )))
1609 release_icon_frame( ptrOld
, frameOld
);
1610 release_user_handle_ptr( ptrOld
);
1611 SetLastError( ERROR_INVALID_CURSOR_HANDLE
);
1614 frameNew
->delay
= 0;
1615 frameNew
->width
= frameOld
->width
;
1616 frameNew
->height
= frameOld
->height
;
1617 frameNew
->mask
= copy_bitmap( frameOld
->mask
);
1618 frameNew
->color
= copy_bitmap( frameOld
->color
);
1619 frameNew
->alpha
= copy_bitmap( frameOld
->alpha
);
1620 release_icon_frame( ptrOld
, frameOld
);
1621 release_icon_frame( ptrNew
, frameNew
);
1622 release_user_handle_ptr( ptrNew
);
1624 release_user_handle_ptr( ptrOld
);
1629 /***********************************************************************
1630 * DestroyIcon (USER32.@)
1632 BOOL WINAPI
DestroyIcon( HICON hIcon
)
1635 struct cursoricon_object
*obj
= get_icon_ptr( hIcon
);
1637 TRACE_(icon
)("%p\n", hIcon
);
1641 BOOL shared
= (obj
->rsrc
!= NULL
);
1642 release_user_handle_ptr( obj
);
1643 ret
= (GetCursor() != hIcon
);
1644 if (!shared
) free_icon_handle( hIcon
);
1650 /***********************************************************************
1651 * DestroyCursor (USER32.@)
1653 BOOL WINAPI
DestroyCursor( HCURSOR hCursor
)
1655 return DestroyIcon( hCursor
);
1658 /***********************************************************************
1659 * DrawIcon (USER32.@)
1661 BOOL WINAPI
DrawIcon( HDC hdc
, INT x
, INT y
, HICON hIcon
)
1663 return DrawIconEx( hdc
, x
, y
, hIcon
, 0, 0, 0, 0, DI_NORMAL
| DI_COMPAT
| DI_DEFAULTSIZE
);
1666 /***********************************************************************
1667 * SetCursor (USER32.@)
1669 * Set the cursor shape.
1672 * A handle to the previous cursor shape.
1674 HCURSOR WINAPI DECLSPEC_HOTPATCH
SetCursor( HCURSOR hCursor
/* [in] Handle of cursor to show */ )
1676 struct cursoricon_object
*obj
;
1681 TRACE("%p\n", hCursor
);
1683 SERVER_START_REQ( set_cursor
)
1685 req
->flags
= SET_CURSOR_HANDLE
;
1686 req
->handle
= wine_server_user_handle( hCursor
);
1687 if ((ret
= !wine_server_call_err( req
)))
1689 hOldCursor
= wine_server_ptr_handle( reply
->prev_handle
);
1690 show_count
= reply
->prev_count
;
1696 USER_Driver
->pSetCursor( show_count
>= 0 ? hCursor
: 0 );
1698 if (!(obj
= get_icon_ptr( hOldCursor
))) return 0;
1699 release_user_handle_ptr( obj
);
1703 /***********************************************************************
1704 * ShowCursor (USER32.@)
1706 INT WINAPI DECLSPEC_HOTPATCH
ShowCursor( BOOL bShow
)
1709 int increment
= bShow
? 1 : -1;
1712 SERVER_START_REQ( set_cursor
)
1714 req
->flags
= SET_CURSOR_COUNT
;
1715 req
->show_count
= increment
;
1716 wine_server_call( req
);
1717 cursor
= wine_server_ptr_handle( reply
->prev_handle
);
1718 count
= reply
->prev_count
+ increment
;
1722 TRACE("%d, count=%d\n", bShow
, count
);
1724 if (bShow
&& !count
) USER_Driver
->pSetCursor( cursor
);
1725 else if (!bShow
&& count
== -1) USER_Driver
->pSetCursor( 0 );
1730 /***********************************************************************
1731 * GetCursor (USER32.@)
1733 HCURSOR WINAPI
GetCursor(void)
1737 SERVER_START_REQ( set_cursor
)
1740 wine_server_call( req
);
1741 ret
= wine_server_ptr_handle( reply
->prev_handle
);
1748 /***********************************************************************
1749 * ClipCursor (USER32.@)
1751 BOOL WINAPI DECLSPEC_HOTPATCH
ClipCursor( const RECT
*rect
)
1756 TRACE( "Clipping to %s\n", wine_dbgstr_rect(rect
) );
1758 if (rect
&& (rect
->left
> rect
->right
|| rect
->top
> rect
->bottom
)) return FALSE
;
1760 SERVER_START_REQ( set_cursor
)
1762 req
->clip_msg
= WM_WINE_CLIPCURSOR
;
1765 req
->flags
= SET_CURSOR_CLIP
;
1766 req
->clip
.left
= rect
->left
;
1767 req
->clip
.top
= rect
->top
;
1768 req
->clip
.right
= rect
->right
;
1769 req
->clip
.bottom
= rect
->bottom
;
1771 else req
->flags
= SET_CURSOR_NOCLIP
;
1773 if ((ret
= !wine_server_call( req
)))
1775 new_rect
.left
= reply
->new_clip
.left
;
1776 new_rect
.top
= reply
->new_clip
.top
;
1777 new_rect
.right
= reply
->new_clip
.right
;
1778 new_rect
.bottom
= reply
->new_clip
.bottom
;
1782 if (ret
) USER_Driver
->pClipCursor( &new_rect
);
1787 /***********************************************************************
1788 * GetClipCursor (USER32.@)
1790 BOOL WINAPI DECLSPEC_HOTPATCH
GetClipCursor( RECT
*rect
)
1794 if (!rect
) return FALSE
;
1796 SERVER_START_REQ( set_cursor
)
1799 if ((ret
= !wine_server_call( req
)))
1801 rect
->left
= reply
->new_clip
.left
;
1802 rect
->top
= reply
->new_clip
.top
;
1803 rect
->right
= reply
->new_clip
.right
;
1804 rect
->bottom
= reply
->new_clip
.bottom
;
1812 /***********************************************************************
1813 * SetSystemCursor (USER32.@)
1815 BOOL WINAPI
SetSystemCursor(HCURSOR hcur
, DWORD id
)
1817 FIXME("(%p,%08x),stub!\n", hcur
, id
);
1822 /**********************************************************************
1823 * LookupIconIdFromDirectoryEx (USER32.@)
1825 INT WINAPI
LookupIconIdFromDirectoryEx( LPBYTE xdir
, BOOL bIcon
,
1826 INT width
, INT height
, UINT cFlag
)
1828 const CURSORICONDIR
*dir
= (const CURSORICONDIR
*)xdir
;
1830 if( dir
&& !dir
->idReserved
&& (dir
->idType
& 3) )
1832 const CURSORICONDIRENTRY
* entry
;
1834 const HDC hdc
= GetDC(0);
1835 const int depth
= (cFlag
& LR_MONOCHROME
) ?
1836 1 : GetDeviceCaps(hdc
, BITSPIXEL
);
1840 entry
= CURSORICON_FindBestIconRes( dir
, ~0u, width
, height
, depth
, LR_DEFAULTSIZE
);
1842 entry
= CURSORICON_FindBestCursorRes( dir
, ~0u, width
, height
, depth
, LR_DEFAULTSIZE
);
1844 if( entry
) retVal
= entry
->wResId
;
1846 else WARN_(cursor
)("invalid resource directory\n");
1850 /**********************************************************************
1851 * LookupIconIdFromDirectory (USER32.@)
1853 INT WINAPI
LookupIconIdFromDirectory( LPBYTE dir
, BOOL bIcon
)
1855 return LookupIconIdFromDirectoryEx( dir
, bIcon
, 0, 0, bIcon
? 0 : LR_MONOCHROME
);
1858 /***********************************************************************
1859 * LoadCursorW (USER32.@)
1861 HCURSOR WINAPI
LoadCursorW(HINSTANCE hInstance
, LPCWSTR name
)
1863 TRACE("%p, %s\n", hInstance
, debugstr_w(name
));
1865 return LoadImageW( hInstance
, name
, IMAGE_CURSOR
, 0, 0,
1866 LR_SHARED
| LR_DEFAULTSIZE
);
1869 /***********************************************************************
1870 * LoadCursorA (USER32.@)
1872 HCURSOR WINAPI
LoadCursorA(HINSTANCE hInstance
, LPCSTR name
)
1874 TRACE("%p, %s\n", hInstance
, debugstr_a(name
));
1876 return LoadImageA( hInstance
, name
, IMAGE_CURSOR
, 0, 0,
1877 LR_SHARED
| LR_DEFAULTSIZE
);
1880 /***********************************************************************
1881 * LoadCursorFromFileW (USER32.@)
1883 HCURSOR WINAPI
LoadCursorFromFileW (LPCWSTR name
)
1885 TRACE("%s\n", debugstr_w(name
));
1887 return LoadImageW( 0, name
, IMAGE_CURSOR
, 0, 0,
1888 LR_LOADFROMFILE
| LR_DEFAULTSIZE
);
1891 /***********************************************************************
1892 * LoadCursorFromFileA (USER32.@)
1894 HCURSOR WINAPI
LoadCursorFromFileA (LPCSTR name
)
1896 TRACE("%s\n", debugstr_a(name
));
1898 return LoadImageA( 0, name
, IMAGE_CURSOR
, 0, 0,
1899 LR_LOADFROMFILE
| LR_DEFAULTSIZE
);
1902 /***********************************************************************
1903 * LoadIconW (USER32.@)
1905 HICON WINAPI
LoadIconW(HINSTANCE hInstance
, LPCWSTR name
)
1907 TRACE("%p, %s\n", hInstance
, debugstr_w(name
));
1909 return LoadImageW( hInstance
, name
, IMAGE_ICON
, 0, 0,
1910 LR_SHARED
| LR_DEFAULTSIZE
);
1913 /***********************************************************************
1914 * LoadIconA (USER32.@)
1916 HICON WINAPI
LoadIconA(HINSTANCE hInstance
, LPCSTR name
)
1918 TRACE("%p, %s\n", hInstance
, debugstr_a(name
));
1920 return LoadImageA( hInstance
, name
, IMAGE_ICON
, 0, 0,
1921 LR_SHARED
| LR_DEFAULTSIZE
);
1924 /**********************************************************************
1925 * GetCursorFrameInfo (USER32.@)
1928 * So far no use has been found for the second parameter, it is currently presumed
1929 * that this parameter is reserved for future use.
1932 * hCursor [I] Handle to cursor for which to retrieve information
1933 * reserved [I] No purpose has been found for this parameter (may be NULL)
1934 * istep [I] The step of the cursor for which to retrieve information
1935 * rate_jiffies [O] Pointer to DWORD that receives the frame-specific delay (cannot be NULL)
1936 * num_steps [O] Pointer to DWORD that receives the number of steps in the cursor (cannot be NULL)
1939 * Success: Handle to a frame of the cursor (specified by istep)
1940 * Failure: NULL cursor (0)
1942 HCURSOR WINAPI
GetCursorFrameInfo(HCURSOR hCursor
, DWORD reserved
, DWORD istep
, DWORD
*rate_jiffies
, DWORD
*num_steps
)
1944 struct cursoricon_object
*ptr
;
1948 if (rate_jiffies
== NULL
|| num_steps
== NULL
) return 0;
1950 if (!(ptr
= get_icon_ptr( hCursor
))) return 0;
1952 TRACE("%p => %d %d %p %p\n", hCursor
, reserved
, istep
, rate_jiffies
, num_steps
);
1954 FIXME("Second parameter non-zero (%d), please report this!\n", reserved
);
1956 icon_steps
= get_icon_steps(ptr
);
1957 if (istep
< icon_steps
|| !ptr
->is_ani
)
1959 struct animated_cursoricon_object
*ani_icon_data
= (struct animated_cursoricon_object
*) ptr
;
1960 UINT icon_frames
= 1;
1963 icon_frames
= ani_icon_data
->num_frames
;
1964 if (ptr
->is_ani
&& icon_frames
> 1)
1965 ret
= ani_icon_data
->frames
[istep
];
1968 if (icon_frames
== 1)
1973 else if (icon_steps
== 1)
1976 *rate_jiffies
= ptr
->delay
;
1978 else if (istep
< icon_steps
)
1980 struct cursoricon_frame
*frame
;
1982 *num_steps
= icon_steps
;
1983 frame
= get_icon_frame( ptr
, istep
);
1984 if (get_icon_steps(ptr
) == 1)
1987 *num_steps
= get_icon_steps(ptr
);
1988 /* If this specific frame does not have a delay then use the global delay */
1989 if (frame
->delay
== ~0)
1990 *rate_jiffies
= ptr
->delay
;
1992 *rate_jiffies
= frame
->delay
;
1993 release_icon_frame( ptr
, frame
);
1997 release_user_handle_ptr( ptr
);
2002 /**********************************************************************
2003 * GetIconInfo (USER32.@)
2005 BOOL WINAPI
GetIconInfo(HICON hIcon
, PICONINFO iconinfo
)
2009 infoW
.cbSize
= sizeof(infoW
);
2010 if (!GetIconInfoExW( hIcon
, &infoW
)) return FALSE
;
2011 iconinfo
->fIcon
= infoW
.fIcon
;
2012 iconinfo
->xHotspot
= infoW
.xHotspot
;
2013 iconinfo
->yHotspot
= infoW
.yHotspot
;
2014 iconinfo
->hbmColor
= infoW
.hbmColor
;
2015 iconinfo
->hbmMask
= infoW
.hbmMask
;
2019 /**********************************************************************
2020 * GetIconInfoExA (USER32.@)
2022 BOOL WINAPI
GetIconInfoExA( HICON icon
, ICONINFOEXA
*info
)
2026 if (info
->cbSize
!= sizeof(*info
))
2028 SetLastError( ERROR_INVALID_PARAMETER
);
2031 infoW
.cbSize
= sizeof(infoW
);
2032 if (!GetIconInfoExW( icon
, &infoW
)) return FALSE
;
2033 info
->fIcon
= infoW
.fIcon
;
2034 info
->xHotspot
= infoW
.xHotspot
;
2035 info
->yHotspot
= infoW
.yHotspot
;
2036 info
->hbmColor
= infoW
.hbmColor
;
2037 info
->hbmMask
= infoW
.hbmMask
;
2038 info
->wResID
= infoW
.wResID
;
2039 WideCharToMultiByte( CP_ACP
, 0, infoW
.szModName
, -1, info
->szModName
, MAX_PATH
, NULL
, NULL
);
2040 WideCharToMultiByte( CP_ACP
, 0, infoW
.szResName
, -1, info
->szResName
, MAX_PATH
, NULL
, NULL
);
2044 /**********************************************************************
2045 * GetIconInfoExW (USER32.@)
2047 BOOL WINAPI
GetIconInfoExW( HICON icon
, ICONINFOEXW
*info
)
2049 struct cursoricon_frame
*frame
;
2050 struct cursoricon_object
*ptr
;
2054 if (info
->cbSize
!= sizeof(*info
))
2056 SetLastError( ERROR_INVALID_PARAMETER
);
2059 if (!(ptr
= get_icon_ptr( icon
)))
2061 SetLastError( ERROR_INVALID_CURSOR_HANDLE
);
2065 frame
= get_icon_frame( ptr
, 0 );
2068 release_user_handle_ptr( ptr
);
2069 SetLastError( ERROR_INVALID_CURSOR_HANDLE
);
2073 TRACE("%p => %dx%d\n", icon
, frame
->width
, frame
->height
);
2075 info
->fIcon
= ptr
->is_icon
;
2076 info
->xHotspot
= ptr
->hotspot
.x
;
2077 info
->yHotspot
= ptr
->hotspot
.y
;
2078 info
->hbmColor
= copy_bitmap( frame
->color
);
2079 info
->hbmMask
= copy_bitmap( frame
->mask
);
2081 info
->szModName
[0] = 0;
2082 info
->szResName
[0] = 0;
2085 if (IS_INTRESOURCE( ptr
->resname
)) info
->wResID
= LOWORD( ptr
->resname
);
2086 else lstrcpynW( info
->szResName
, ptr
->resname
, MAX_PATH
);
2088 if (!info
->hbmMask
|| (!info
->hbmColor
&& frame
->color
))
2090 DeleteObject( info
->hbmMask
);
2091 DeleteObject( info
->hbmColor
);
2094 module
= ptr
->module
;
2095 release_icon_frame( ptr
, frame
);
2096 release_user_handle_ptr( ptr
);
2097 if (ret
&& module
) GetModuleFileNameW( module
, info
->szModName
, MAX_PATH
);
2101 /* copy an icon bitmap, even when it can't be selected into a DC */
2102 /* helper for CreateIconIndirect */
2103 static void stretch_blt_icon( HDC hdc_dst
, int dst_x
, int dst_y
, int dst_width
, int dst_height
,
2104 HBITMAP src
, int width
, int height
)
2106 HDC hdc
= CreateCompatibleDC( 0 );
2108 if (!SelectObject( hdc
, src
)) /* do it the hard way */
2113 if (!(info
= HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO
, bmiColors
[256] )))) return;
2114 info
->bmiHeader
.biSize
= sizeof(BITMAPINFOHEADER
);
2115 info
->bmiHeader
.biWidth
= width
;
2116 info
->bmiHeader
.biHeight
= height
;
2117 info
->bmiHeader
.biPlanes
= GetDeviceCaps( hdc_dst
, PLANES
);
2118 info
->bmiHeader
.biBitCount
= GetDeviceCaps( hdc_dst
, BITSPIXEL
);
2119 info
->bmiHeader
.biCompression
= BI_RGB
;
2120 info
->bmiHeader
.biSizeImage
= get_dib_image_size( width
, height
, info
->bmiHeader
.biBitCount
);
2121 info
->bmiHeader
.biXPelsPerMeter
= 0;
2122 info
->bmiHeader
.biYPelsPerMeter
= 0;
2123 info
->bmiHeader
.biClrUsed
= 0;
2124 info
->bmiHeader
.biClrImportant
= 0;
2125 bits
= HeapAlloc( GetProcessHeap(), 0, info
->bmiHeader
.biSizeImage
);
2126 if (bits
&& GetDIBits( hdc
, src
, 0, height
, bits
, info
, DIB_RGB_COLORS
))
2127 StretchDIBits( hdc_dst
, dst_x
, dst_y
, dst_width
, dst_height
,
2128 0, 0, width
, height
, bits
, info
, DIB_RGB_COLORS
, SRCCOPY
);
2130 HeapFree( GetProcessHeap(), 0, bits
);
2131 HeapFree( GetProcessHeap(), 0, info
);
2133 else StretchBlt( hdc_dst
, dst_x
, dst_y
, dst_width
, dst_height
, hdc
, 0, 0, width
, height
, SRCCOPY
);
2138 /**********************************************************************
2139 * CreateIconIndirect (USER32.@)
2141 HICON WINAPI
CreateIconIndirect(PICONINFO iconinfo
)
2143 BITMAP bmpXor
, bmpAnd
;
2145 HBITMAP color
= 0, mask
;
2149 TRACE("color %p, mask %p, hotspot %ux%u, fIcon %d\n",
2150 iconinfo
->hbmColor
, iconinfo
->hbmMask
,
2151 iconinfo
->xHotspot
, iconinfo
->yHotspot
, iconinfo
->fIcon
);
2153 if (!iconinfo
->hbmMask
) return 0;
2155 GetObjectW( iconinfo
->hbmMask
, sizeof(bmpAnd
), &bmpAnd
);
2156 TRACE("mask: width %d, height %d, width bytes %d, planes %u, bpp %u\n",
2157 bmpAnd
.bmWidth
, bmpAnd
.bmHeight
, bmpAnd
.bmWidthBytes
,
2158 bmpAnd
.bmPlanes
, bmpAnd
.bmBitsPixel
);
2160 if (iconinfo
->hbmColor
)
2162 GetObjectW( iconinfo
->hbmColor
, sizeof(bmpXor
), &bmpXor
);
2163 TRACE("color: width %d, height %d, width bytes %d, planes %u, bpp %u\n",
2164 bmpXor
.bmWidth
, bmpXor
.bmHeight
, bmpXor
.bmWidthBytes
,
2165 bmpXor
.bmPlanes
, bmpXor
.bmBitsPixel
);
2167 width
= bmpXor
.bmWidth
;
2168 height
= bmpXor
.bmHeight
;
2169 if (bmpXor
.bmPlanes
* bmpXor
.bmBitsPixel
!= 1 || bmpAnd
.bmPlanes
* bmpAnd
.bmBitsPixel
!= 1)
2171 color
= CreateCompatibleBitmap( get_screen_dc(), width
, height
);
2172 mask
= CreateBitmap( width
, height
, 1, 1, NULL
);
2174 else mask
= CreateBitmap( width
, height
* 2, 1, 1, NULL
);
2178 width
= bmpAnd
.bmWidth
;
2179 height
= bmpAnd
.bmHeight
;
2180 mask
= CreateBitmap( width
, height
, 1, 1, NULL
);
2183 hdc
= CreateCompatibleDC( 0 );
2184 SelectObject( hdc
, mask
);
2185 stretch_blt_icon( hdc
, 0, 0, width
, height
, iconinfo
->hbmMask
, bmpAnd
.bmWidth
, bmpAnd
.bmHeight
);
2189 SelectObject( hdc
, color
);
2190 stretch_blt_icon( hdc
, 0, 0, width
, height
, iconinfo
->hbmColor
, width
, height
);
2192 else if (iconinfo
->hbmColor
)
2194 stretch_blt_icon( hdc
, 0, height
, width
, height
, iconinfo
->hbmColor
, width
, height
);
2200 hObj
= alloc_icon_handle( FALSE
, 0 );
2203 struct cursoricon_object
*info
= get_icon_ptr( hObj
);
2204 struct cursoricon_frame
*frame
;
2206 info
->is_icon
= iconinfo
->fIcon
;
2207 frame
= get_icon_frame( info
, 0 );
2209 frame
->width
= width
;
2210 frame
->height
= height
;
2211 frame
->color
= color
;
2213 frame
->alpha
= create_alpha_bitmap( iconinfo
->hbmColor
, NULL
, NULL
);
2214 release_icon_frame( info
, frame
);
2217 info
->hotspot
.x
= width
/ 2;
2218 info
->hotspot
.y
= height
/ 2;
2222 info
->hotspot
.x
= iconinfo
->xHotspot
;
2223 info
->hotspot
.y
= iconinfo
->yHotspot
;
2226 release_user_handle_ptr( info
);
2231 /******************************************************************************
2232 * DrawIconEx (USER32.@) Draws an icon or cursor on device context
2235 * Why is this using SM_CXICON instead of SM_CXCURSOR?
2238 * hdc [I] Handle to device context
2239 * x0 [I] X coordinate of upper left corner
2240 * y0 [I] Y coordinate of upper left corner
2241 * hIcon [I] Handle to icon to draw
2242 * cxWidth [I] Width of icon
2243 * cyWidth [I] Height of icon
2244 * istep [I] Index of frame in animated cursor
2245 * hbr [I] Handle to background brush
2246 * flags [I] Icon-drawing flags
2252 BOOL WINAPI
DrawIconEx( HDC hdc
, INT x0
, INT y0
, HICON hIcon
,
2253 INT cxWidth
, INT cyWidth
, UINT istep
,
2254 HBRUSH hbr
, UINT flags
)
2256 struct cursoricon_frame
*frame
;
2257 struct cursoricon_object
*ptr
;
2258 HDC hdc_dest
, hMemDC
;
2259 BOOL result
= FALSE
, DoOffscreen
;
2261 COLORREF oldFg
, oldBg
;
2262 INT x
, y
, nStretchMode
;
2264 TRACE_(icon
)("(hdc=%p,pos=%d.%d,hicon=%p,extend=%d.%d,istep=%d,br=%p,flags=0x%08x)\n",
2265 hdc
,x0
,y0
,hIcon
,cxWidth
,cyWidth
,istep
,hbr
,flags
);
2267 if (!(ptr
= get_icon_ptr( hIcon
))) return FALSE
;
2268 if (istep
>= get_icon_steps( ptr
))
2270 TRACE_(icon
)("Stepped past end of animated frames=%d\n", istep
);
2271 release_user_handle_ptr( ptr
);
2274 if (!(frame
= get_icon_frame( ptr
, istep
)))
2276 FIXME_(icon
)("Error retrieving icon frame %d\n", istep
);
2277 release_user_handle_ptr( ptr
);
2280 if (!(hMemDC
= CreateCompatibleDC( hdc
)))
2282 release_icon_frame( ptr
, frame
);
2283 release_user_handle_ptr( ptr
);
2287 if (flags
& DI_NOMIRROR
)
2288 FIXME_(icon
)("Ignoring flag DI_NOMIRROR\n");
2290 /* Calculate the size of the destination image. */
2293 if (flags
& DI_DEFAULTSIZE
)
2294 cxWidth
= GetSystemMetrics (SM_CXICON
);
2296 cxWidth
= frame
->width
;
2300 if (flags
& DI_DEFAULTSIZE
)
2301 cyWidth
= GetSystemMetrics (SM_CYICON
);
2303 cyWidth
= frame
->height
;
2306 DoOffscreen
= (GetObjectType( hbr
) == OBJ_BRUSH
);
2311 SetRect(&r
, 0, 0, cxWidth
, cxWidth
);
2313 if (!(hdc_dest
= CreateCompatibleDC(hdc
))) goto failed
;
2314 if (!(hB_off
= CreateCompatibleBitmap(hdc
, cxWidth
, cyWidth
)))
2316 DeleteDC( hdc_dest
);
2319 SelectObject(hdc_dest
, hB_off
);
2320 FillRect(hdc_dest
, &r
, hbr
);
2330 nStretchMode
= SetStretchBltMode (hdc
, STRETCH_DELETESCANS
);
2332 oldFg
= SetTextColor( hdc
, RGB(0,0,0) );
2333 oldBg
= SetBkColor( hdc
, RGB(255,255,255) );
2335 if (frame
->alpha
&& (flags
& DI_IMAGE
))
2337 BOOL alpha_blend
= TRUE
;
2339 if (GetObjectType( hdc_dest
) == OBJ_MEMDC
)
2342 HBITMAP bmp
= GetCurrentObject( hdc_dest
, OBJ_BITMAP
);
2343 alpha_blend
= GetObjectW( bmp
, sizeof(bm
), &bm
) && bm
.bmBitsPixel
> 8;
2347 BLENDFUNCTION pixelblend
= { AC_SRC_OVER
, 0, 255, AC_SRC_ALPHA
};
2348 SelectObject( hMemDC
, frame
->alpha
);
2349 if (GdiAlphaBlend( hdc_dest
, x
, y
, cxWidth
, cyWidth
, hMemDC
,
2350 0, 0, frame
->width
, frame
->height
,
2351 pixelblend
)) goto done
;
2355 if (flags
& DI_MASK
)
2357 DWORD rop
= (flags
& DI_IMAGE
) ? SRCAND
: SRCCOPY
;
2358 SelectObject( hMemDC
, frame
->mask
);
2359 StretchBlt( hdc_dest
, x
, y
, cxWidth
, cyWidth
,
2360 hMemDC
, 0, 0, frame
->width
, frame
->height
, rop
);
2363 if (flags
& DI_IMAGE
)
2367 DWORD rop
= (flags
& DI_MASK
) ? SRCINVERT
: SRCCOPY
;
2368 SelectObject( hMemDC
, frame
->color
);
2369 StretchBlt( hdc_dest
, x
, y
, cxWidth
, cyWidth
,
2370 hMemDC
, 0, 0, frame
->width
, frame
->height
, rop
);
2374 DWORD rop
= (flags
& DI_MASK
) ? SRCINVERT
: SRCCOPY
;
2375 SelectObject( hMemDC
, frame
->mask
);
2376 StretchBlt( hdc_dest
, x
, y
, cxWidth
, cyWidth
,
2377 hMemDC
, 0, frame
->height
, frame
->width
,
2378 frame
->height
, rop
);
2383 if (DoOffscreen
) BitBlt( hdc
, x0
, y0
, cxWidth
, cyWidth
, hdc_dest
, 0, 0, SRCCOPY
);
2385 SetTextColor( hdc
, oldFg
);
2386 SetBkColor( hdc
, oldBg
);
2387 SetStretchBltMode (hdc
, nStretchMode
);
2389 if (hdc_dest
!= hdc
) DeleteDC( hdc_dest
);
2390 if (hB_off
) DeleteObject(hB_off
);
2393 release_icon_frame( ptr
, frame
);
2394 release_user_handle_ptr( ptr
);
2398 /***********************************************************************
2399 * DIB_FixColorsToLoadflags
2401 * Change color table entries when LR_LOADTRANSPARENT or LR_LOADMAP3DCOLORS
2404 static void DIB_FixColorsToLoadflags(BITMAPINFO
* bmi
, UINT loadflags
, BYTE pix
)
2407 COLORREF c_W
, c_S
, c_F
, c_L
, c_C
;
2416 if (((bitmap_type
= DIB_GetBitmapInfo((BITMAPINFOHEADER
*) bmi
, &width
, &height
, &bpp
, &compr
)) == -1))
2418 WARN_(resource
)("Invalid bitmap\n");
2422 if (bpp
> 8) return;
2424 if (bitmap_type
== 0) /* BITMAPCOREHEADER */
2432 colors
= bmi
->bmiHeader
.biClrUsed
;
2433 if (colors
> 256) colors
= 256;
2434 if (!colors
&& (bpp
<= 8)) colors
= 1 << bpp
;
2437 c_W
= GetSysColor(COLOR_WINDOW
);
2438 c_S
= GetSysColor(COLOR_3DSHADOW
);
2439 c_F
= GetSysColor(COLOR_3DFACE
);
2440 c_L
= GetSysColor(COLOR_3DLIGHT
);
2442 if (loadflags
& LR_LOADTRANSPARENT
) {
2444 case 1: pix
= pix
>> 7; break;
2445 case 4: pix
= pix
>> 4; break;
2448 WARN_(resource
)("(%d): Unsupported depth\n", bpp
);
2451 if (pix
>= colors
) {
2452 WARN_(resource
)("pixel has color index greater than biClrUsed!\n");
2455 if (loadflags
& LR_LOADMAP3DCOLORS
) c_W
= c_F
;
2456 ptr
= (RGBQUAD
*)((char*)bmi
->bmiColors
+pix
*incr
);
2457 ptr
->rgbBlue
= GetBValue(c_W
);
2458 ptr
->rgbGreen
= GetGValue(c_W
);
2459 ptr
->rgbRed
= GetRValue(c_W
);
2461 if (loadflags
& LR_LOADMAP3DCOLORS
)
2462 for (i
=0; i
<colors
; i
++) {
2463 ptr
= (RGBQUAD
*)((char*)bmi
->bmiColors
+i
*incr
);
2464 c_C
= RGB(ptr
->rgbRed
, ptr
->rgbGreen
, ptr
->rgbBlue
);
2465 if (c_C
== RGB(128, 128, 128)) {
2466 ptr
->rgbRed
= GetRValue(c_S
);
2467 ptr
->rgbGreen
= GetGValue(c_S
);
2468 ptr
->rgbBlue
= GetBValue(c_S
);
2469 } else if (c_C
== RGB(192, 192, 192)) {
2470 ptr
->rgbRed
= GetRValue(c_F
);
2471 ptr
->rgbGreen
= GetGValue(c_F
);
2472 ptr
->rgbBlue
= GetBValue(c_F
);
2473 } else if (c_C
== RGB(223, 223, 223)) {
2474 ptr
->rgbRed
= GetRValue(c_L
);
2475 ptr
->rgbGreen
= GetGValue(c_L
);
2476 ptr
->rgbBlue
= GetBValue(c_L
);
2482 /**********************************************************************
2485 static HBITMAP
BITMAP_Load( HINSTANCE instance
, LPCWSTR name
,
2486 INT desiredx
, INT desiredy
, UINT loadflags
)
2488 HBITMAP hbitmap
= 0, orig_bm
;
2491 const char *ptr
= NULL
;
2492 BITMAPINFO
*info
, *fix_info
= NULL
, *scaled_info
= NULL
;
2496 LONG width
, height
, new_width
, new_height
;
2498 DWORD compr_dummy
, offbits
= 0;
2500 HDC screen_mem_dc
= NULL
;
2503 if (!(loadflags
& LR_LOADFROMFILE
))
2507 /* OEM bitmap: try to load the resource from user32.dll */
2508 instance
= user32_module
;
2511 if (!(hRsrc
= FindResourceW( instance
, name
, (LPWSTR
)RT_BITMAP
))) return 0;
2512 if (!(handle
= LoadResource( instance
, hRsrc
))) return 0;
2514 if ((info
= LockResource( handle
)) == NULL
) return 0;
2518 BITMAPFILEHEADER
* bmfh
;
2520 if (!(ptr
= map_fileW( name
, NULL
))) return 0;
2521 info
= (BITMAPINFO
*)(ptr
+ sizeof(BITMAPFILEHEADER
));
2522 bmfh
= (BITMAPFILEHEADER
*)ptr
;
2523 if (bmfh
->bfType
!= 0x4d42 /* 'BM' */)
2525 WARN("Invalid/unsupported bitmap format!\n");
2528 if (bmfh
->bfOffBits
) offbits
= bmfh
->bfOffBits
- sizeof(BITMAPFILEHEADER
);
2531 bm_type
= DIB_GetBitmapInfo( &info
->bmiHeader
, &width
, &height
,
2532 &bpp_dummy
, &compr_dummy
);
2535 WARN("Invalid bitmap format!\n");
2539 size
= bitmap_info_size(info
, DIB_RGB_COLORS
);
2540 fix_info
= HeapAlloc(GetProcessHeap(), 0, size
);
2541 scaled_info
= HeapAlloc(GetProcessHeap(), 0, size
);
2543 if (!fix_info
|| !scaled_info
) goto end
;
2544 memcpy(fix_info
, info
, size
);
2546 pix
= *((LPBYTE
)info
+ size
);
2547 DIB_FixColorsToLoadflags(fix_info
, loadflags
, pix
);
2549 memcpy(scaled_info
, fix_info
, size
);
2552 new_width
= desiredx
;
2557 new_height
= height
> 0 ? desiredy
: -desiredy
;
2559 new_height
= height
;
2563 BITMAPCOREHEADER
*core
= (BITMAPCOREHEADER
*)&scaled_info
->bmiHeader
;
2564 core
->bcWidth
= new_width
;
2565 core
->bcHeight
= new_height
;
2569 /* Some sanity checks for BITMAPINFO (not applicable to BITMAPCOREINFO) */
2570 if (info
->bmiHeader
.biHeight
> 65535 || info
->bmiHeader
.biWidth
> 65535) {
2571 WARN("Broken BitmapInfoHeader!\n");
2575 scaled_info
->bmiHeader
.biWidth
= new_width
;
2576 scaled_info
->bmiHeader
.biHeight
= new_height
;
2579 if (new_height
< 0) new_height
= -new_height
;
2581 screen_dc
= get_screen_dc();
2582 if (!(screen_mem_dc
= CreateCompatibleDC( screen_dc
))) goto end
;
2584 bits
= (char *)info
+ (offbits
? offbits
: size
);
2586 if (loadflags
& LR_CREATEDIBSECTION
)
2588 scaled_info
->bmiHeader
.biCompression
= 0; /* DIBSection can't be compressed */
2589 hbitmap
= CreateDIBSection(screen_dc
, scaled_info
, DIB_RGB_COLORS
, NULL
, 0, 0);
2593 if (is_dib_monochrome(fix_info
))
2594 hbitmap
= CreateBitmap(new_width
, new_height
, 1, 1, NULL
);
2596 hbitmap
= CreateCompatibleBitmap(screen_dc
, new_width
, new_height
);
2599 orig_bm
= SelectObject(screen_mem_dc
, hbitmap
);
2600 StretchDIBits(screen_mem_dc
, 0, 0, new_width
, new_height
, 0, 0, width
, height
, bits
, fix_info
, DIB_RGB_COLORS
, SRCCOPY
);
2601 SelectObject(screen_mem_dc
, orig_bm
);
2604 if (screen_mem_dc
) DeleteDC(screen_mem_dc
);
2605 HeapFree(GetProcessHeap(), 0, scaled_info
);
2606 HeapFree(GetProcessHeap(), 0, fix_info
);
2607 if (loadflags
& LR_LOADFROMFILE
) UnmapViewOfFile( ptr
);
2612 /**********************************************************************
2613 * LoadImageA (USER32.@)
2617 HANDLE WINAPI
LoadImageA( HINSTANCE hinst
, LPCSTR name
, UINT type
,
2618 INT desiredx
, INT desiredy
, UINT loadflags
)
2623 if (IS_INTRESOURCE(name
))
2624 return LoadImageW(hinst
, (LPCWSTR
)name
, type
, desiredx
, desiredy
, loadflags
);
2627 DWORD len
= MultiByteToWideChar( CP_ACP
, 0, name
, -1, NULL
, 0 );
2628 u_name
= HeapAlloc( GetProcessHeap(), 0, len
* sizeof(WCHAR
) );
2629 MultiByteToWideChar( CP_ACP
, 0, name
, -1, u_name
, len
);
2631 __EXCEPT_PAGE_FAULT
{
2632 SetLastError( ERROR_INVALID_PARAMETER
);
2636 res
= LoadImageW(hinst
, u_name
, type
, desiredx
, desiredy
, loadflags
);
2637 HeapFree(GetProcessHeap(), 0, u_name
);
2642 /******************************************************************************
2643 * LoadImageW (USER32.@) Loads an icon, cursor, or bitmap
2646 * hinst [I] Handle of instance that contains image
2647 * name [I] Name of image
2648 * type [I] Type of image
2649 * desiredx [I] Desired width
2650 * desiredy [I] Desired height
2651 * loadflags [I] Load flags
2654 * Success: Handle to newly loaded image
2657 * FIXME: Implementation lacks some features, see LR_ defines in winuser.h
2659 HANDLE WINAPI
LoadImageW( HINSTANCE hinst
, LPCWSTR name
, UINT type
,
2660 INT desiredx
, INT desiredy
, UINT loadflags
)
2664 TRACE_(resource
)("(%p,%s,%d,%d,%d,0x%08x)\n",
2665 hinst
,debugstr_w(name
),type
,desiredx
,desiredy
,loadflags
);
2667 if (loadflags
& LR_LOADFROMFILE
) loadflags
&= ~LR_SHARED
;
2670 return BITMAP_Load( hinst
, name
, desiredx
, desiredy
, loadflags
);
2675 if (!(loadflags
& LR_MONOCHROME
))
2679 if ((screen_dc
= get_screen_dc()))
2680 depth
= GetDeviceCaps( screen_dc
, BITSPIXEL
);
2682 return CURSORICON_Load(hinst
, name
, desiredx
, desiredy
, depth
, (type
== IMAGE_CURSOR
), loadflags
);
2687 /******************************************************************************
2688 * CopyImage (USER32.@) Creates new image and copies attributes to it
2691 * hnd [I] Handle to image to copy
2692 * type [I] Type of image to copy
2693 * desiredx [I] Desired width of new image
2694 * desiredy [I] Desired height of new image
2695 * flags [I] Copy flags
2698 * Success: Handle to newly created image
2702 * Only Windows NT 4.0 supports the LR_COPYRETURNORG flag for bitmaps,
2703 * all other versions (95/2000/XP have been tested) ignore it.
2706 * If LR_CREATEDIBSECTION is absent, the copy will be monochrome for
2707 * a monochrome source bitmap or if LR_MONOCHROME is present, otherwise
2708 * the copy will have the same depth as the screen.
2709 * The content of the image will only be copied if the bit depth of the
2710 * original image is compatible with the bit depth of the screen, or
2711 * if the source is a DIB section.
2712 * The LR_MONOCHROME flag is ignored if LR_CREATEDIBSECTION is present.
2714 HANDLE WINAPI
CopyImage( HANDLE hnd
, UINT type
, INT desiredx
,
2715 INT desiredy
, UINT flags
)
2717 TRACE("hnd=%p, type=%u, desiredx=%d, desiredy=%d, flags=%x\n",
2718 hnd
, type
, desiredx
, desiredy
, flags
);
2729 objSize
= GetObjectW( hnd
, sizeof(ds
), &ds
);
2730 if (!objSize
) return 0;
2731 if ((desiredx
< 0) || (desiredy
< 0)) return 0;
2733 if (flags
& LR_COPYFROMRESOURCE
)
2735 FIXME("The flag LR_COPYFROMRESOURCE is not implemented for bitmaps\n");
2738 if (desiredx
== 0) desiredx
= ds
.dsBm
.bmWidth
;
2739 if (desiredy
== 0) desiredy
= ds
.dsBm
.bmHeight
;
2741 /* Allocate memory for a BITMAPINFOHEADER structure and a
2742 color table. The maximum number of colors in a color table
2743 is 256 which corresponds to a bitmap with depth 8.
2744 Bitmaps with higher depths don't have color tables. */
2745 bi
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(BITMAPINFOHEADER
) + 256 * sizeof(RGBQUAD
));
2748 bi
->bmiHeader
.biSize
= sizeof(bi
->bmiHeader
);
2749 bi
->bmiHeader
.biPlanes
= ds
.dsBm
.bmPlanes
;
2750 bi
->bmiHeader
.biBitCount
= ds
.dsBm
.bmBitsPixel
;
2751 bi
->bmiHeader
.biCompression
= BI_RGB
;
2753 if (flags
& LR_CREATEDIBSECTION
)
2755 /* Create a DIB section. LR_MONOCHROME is ignored */
2757 HDC dc
= CreateCompatibleDC(NULL
);
2759 if (objSize
== sizeof(DIBSECTION
))
2761 /* The source bitmap is a DIB.
2762 Get its attributes to create an exact copy */
2763 memcpy(bi
, &ds
.dsBmih
, sizeof(BITMAPINFOHEADER
));
2766 bi
->bmiHeader
.biWidth
= desiredx
;
2767 bi
->bmiHeader
.biHeight
= desiredy
;
2769 /* Get the color table or the color masks */
2770 GetDIBits(dc
, hnd
, 0, ds
.dsBm
.bmHeight
, NULL
, bi
, DIB_RGB_COLORS
);
2772 res
= CreateDIBSection(dc
, bi
, DIB_RGB_COLORS
, &bits
, NULL
, 0);
2777 /* Create a device-dependent bitmap */
2779 BOOL monochrome
= (flags
& LR_MONOCHROME
);
2781 if (objSize
== sizeof(DIBSECTION
))
2783 /* The source bitmap is a DIB section.
2784 Get its attributes */
2785 HDC dc
= CreateCompatibleDC(NULL
);
2786 bi
->bmiHeader
.biWidth
= ds
.dsBm
.bmWidth
;
2787 bi
->bmiHeader
.biHeight
= ds
.dsBm
.bmHeight
;
2788 GetDIBits(dc
, hnd
, 0, ds
.dsBm
.bmHeight
, NULL
, bi
, DIB_RGB_COLORS
);
2791 if (!monochrome
&& ds
.dsBm
.bmBitsPixel
== 1)
2793 /* Look if the colors of the DIB are black and white */
2796 (bi
->bmiColors
[0].rgbRed
== 0xff
2797 && bi
->bmiColors
[0].rgbGreen
== 0xff
2798 && bi
->bmiColors
[0].rgbBlue
== 0xff
2799 && bi
->bmiColors
[0].rgbReserved
== 0
2800 && bi
->bmiColors
[1].rgbRed
== 0
2801 && bi
->bmiColors
[1].rgbGreen
== 0
2802 && bi
->bmiColors
[1].rgbBlue
== 0
2803 && bi
->bmiColors
[1].rgbReserved
== 0)
2805 (bi
->bmiColors
[0].rgbRed
== 0
2806 && bi
->bmiColors
[0].rgbGreen
== 0
2807 && bi
->bmiColors
[0].rgbBlue
== 0
2808 && bi
->bmiColors
[0].rgbReserved
== 0
2809 && bi
->bmiColors
[1].rgbRed
== 0xff
2810 && bi
->bmiColors
[1].rgbGreen
== 0xff
2811 && bi
->bmiColors
[1].rgbBlue
== 0xff
2812 && bi
->bmiColors
[1].rgbReserved
== 0);
2815 else if (!monochrome
)
2817 monochrome
= ds
.dsBm
.bmBitsPixel
== 1;
2822 res
= CreateBitmap(desiredx
, desiredy
, 1, 1, NULL
);
2826 HDC screenDC
= GetDC(NULL
);
2827 res
= CreateCompatibleBitmap(screenDC
, desiredx
, desiredy
);
2828 ReleaseDC(NULL
, screenDC
);
2834 /* Only copy the bitmap if it's a DIB section or if it's
2835 compatible to the screen */
2838 if (objSize
== sizeof(DIBSECTION
))
2840 copyContents
= TRUE
;
2844 HDC screenDC
= GetDC(NULL
);
2845 int screen_depth
= GetDeviceCaps(screenDC
, BITSPIXEL
);
2846 ReleaseDC(NULL
, screenDC
);
2848 copyContents
= (ds
.dsBm
.bmBitsPixel
== 1 || ds
.dsBm
.bmBitsPixel
== screen_depth
);
2853 /* The source bitmap may already be selected in a device context,
2854 use GetDIBits/StretchDIBits and not StretchBlt */
2859 dc
= CreateCompatibleDC(NULL
);
2861 bi
->bmiHeader
.biWidth
= ds
.dsBm
.bmWidth
;
2862 bi
->bmiHeader
.biHeight
= ds
.dsBm
.bmHeight
;
2863 bi
->bmiHeader
.biSizeImage
= 0;
2864 bi
->bmiHeader
.biClrUsed
= 0;
2865 bi
->bmiHeader
.biClrImportant
= 0;
2867 /* Fill in biSizeImage */
2868 GetDIBits(dc
, hnd
, 0, ds
.dsBm
.bmHeight
, NULL
, bi
, DIB_RGB_COLORS
);
2869 bits
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, bi
->bmiHeader
.biSizeImage
);
2875 /* Get the image bits of the source bitmap */
2876 GetDIBits(dc
, hnd
, 0, ds
.dsBm
.bmHeight
, bits
, bi
, DIB_RGB_COLORS
);
2878 /* Copy it to the destination bitmap */
2879 oldBmp
= SelectObject(dc
, res
);
2880 StretchDIBits(dc
, 0, 0, desiredx
, desiredy
,
2881 0, 0, ds
.dsBm
.bmWidth
, ds
.dsBm
.bmHeight
,
2882 bits
, bi
, DIB_RGB_COLORS
, SRCCOPY
);
2883 SelectObject(dc
, oldBmp
);
2885 HeapFree(GetProcessHeap(), 0, bits
);
2891 if (flags
& LR_COPYDELETEORG
)
2896 HeapFree(GetProcessHeap(), 0, bi
);
2902 struct cursoricon_object
*icon
;
2904 int depth
= (flags
& LR_MONOCHROME
) ? 1 : GetDeviceCaps( get_screen_dc(), BITSPIXEL
);
2906 if (flags
& LR_DEFAULTSIZE
)
2908 if (!desiredx
) desiredx
= GetSystemMetrics( type
== IMAGE_ICON
? SM_CXICON
: SM_CXCURSOR
);
2909 if (!desiredy
) desiredy
= GetSystemMetrics( type
== IMAGE_ICON
? SM_CYICON
: SM_CYCURSOR
);
2912 if (!(icon
= get_icon_ptr( hnd
))) return 0;
2914 if (icon
->rsrc
&& (flags
& LR_COPYFROMRESOURCE
))
2915 res
= CURSORICON_Load( icon
->module
, icon
->resname
, desiredx
, desiredy
, depth
,
2916 !icon
->is_icon
, flags
);
2918 res
= CopyIcon( hnd
); /* FIXME: change size if necessary */
2919 release_user_handle_ptr( icon
);
2921 if (res
&& (flags
& LR_COPYDELETEORG
)) DeleteObject( hnd
);
2929 /******************************************************************************
2930 * LoadBitmapW (USER32.@) Loads bitmap from the executable file
2933 * Success: Handle to specified bitmap
2936 HBITMAP WINAPI
LoadBitmapW(
2937 HINSTANCE instance
, /* [in] Handle to application instance */
2938 LPCWSTR name
) /* [in] Address of bitmap resource name */
2940 return LoadImageW( instance
, name
, IMAGE_BITMAP
, 0, 0, 0 );
2943 /**********************************************************************
2944 * LoadBitmapA (USER32.@)
2948 HBITMAP WINAPI
LoadBitmapA( HINSTANCE instance
, LPCSTR name
)
2950 return LoadImageA( instance
, name
, IMAGE_BITMAP
, 0, 0, 0 );