2 * Cursor and icon support
4 * Copyright 1995 Alexandre Julliard
5 * Copyright 1996 Martin Von Loewis
6 * Copyright 1997 Alex Korobka
7 * Copyright 1998 Turchanov Sergey
8 * Copyright 2007 Henri Verbeet
9 * Copyright 2009 Vincent Povirk for CodeWeavers
10 * Copyright 2016 Dmitry Timoshkov
12 * This library is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Lesser General Public
14 * License as published by the Free Software Foundation; either
15 * version 2.1 of the License, or (at your option) any later version.
17 * This library is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * Lesser General Public License for more details.
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with this library; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
37 #include "wine/exception.h"
38 #include "wine/server.h"
41 #include "user_private.h"
42 #include "wine/list.h"
43 #include "wine/debug.h"
45 WINE_DEFAULT_DEBUG_CHANNEL(cursor
);
46 WINE_DECLARE_DEBUG_CHANNEL(icon
);
47 WINE_DECLARE_DEBUG_CHANNEL(resource
);
49 #define RIFF_FOURCC( c0, c1, c2, c3 ) \
50 ( (DWORD)(BYTE)(c0) | ( (DWORD)(BYTE)(c1) << 8 ) | \
51 ( (DWORD)(BYTE)(c2) << 16 ) | ( (DWORD)(BYTE)(c3) << 24 ) )
52 #define PNG_SIGN RIFF_FOURCC(0x89,'P','N','G')
54 static struct list icon_cache
= LIST_INIT( icon_cache
);
56 /**********************************************************************
57 * User objects management
60 struct cursoricon_frame
62 UINT width
; /* frame-specific width */
63 UINT height
; /* frame-specific height */
64 UINT delay
; /* frame-specific delay between this frame and the next (in jiffies) */
65 HBITMAP color
; /* color bitmap */
66 HBITMAP alpha
; /* pre-multiplied alpha bitmap for 32-bpp icons */
67 HBITMAP mask
; /* mask bitmap (followed by color for 1-bpp icons) */
70 struct cursoricon_object
72 struct user_object obj
; /* object header */
73 struct list entry
; /* entry in shared icons list */
74 ULONG_PTR param
; /* opaque param used by 16-bit code */
75 HMODULE module
; /* module for icons loaded from resources */
76 LPWSTR resname
; /* resource name for icons loaded from resources */
77 HRSRC rsrc
; /* resource for shared icons */
78 BOOL is_icon
; /* whether icon or cursor */
79 BOOL is_ani
; /* whether this object is a static cursor or an animated cursor */
80 UINT delay
; /* delay between this frame and the next (in jiffies) */
84 struct static_cursoricon_object
86 struct cursoricon_object shared
;
87 struct cursoricon_frame frame
; /* frame-specific icon data */
90 struct animated_cursoricon_object
92 struct cursoricon_object shared
;
93 UINT num_frames
; /* number of frames in the icon/cursor */
94 UINT num_steps
; /* number of sequence steps in the icon/cursor */
95 HICON frames
[1]; /* list of animated cursor frames */
98 static HBITMAP
create_color_bitmap( int width
, int height
)
100 HDC hdc
= get_display_dc();
101 HBITMAP ret
= CreateCompatibleBitmap( hdc
, width
, height
);
102 release_display_dc( hdc
);
106 static int get_display_bpp(void)
108 HDC hdc
= get_display_dc();
109 int ret
= GetDeviceCaps( hdc
, BITSPIXEL
);
110 release_display_dc( hdc
);
114 static INIT_ONCE init_once
= INIT_ONCE_STATIC_INIT
;
116 static const struct png_funcs
*png_funcs
;
118 static BOOL WINAPI
load_libpng( INIT_ONCE
*once
, void *param
, void **context
)
120 __wine_init_unix_lib( user32_module
, DLL_PROCESS_ATTACH
, NULL
, &png_funcs
);
124 static BOOL
have_libpng(void)
126 return InitOnceExecuteOnce( &init_once
, load_libpng
, NULL
, NULL
) && png_funcs
;
129 static HICON
alloc_icon_handle( BOOL is_ani
, UINT num_steps
)
131 struct cursoricon_object
*obj
;
136 icon_size
= FIELD_OFFSET( struct animated_cursoricon_object
, frames
[num_steps
] );
138 icon_size
= sizeof( struct static_cursoricon_object
);
139 obj
= HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, icon_size
);
140 if (!obj
) return NULL
;
143 obj
->is_ani
= is_ani
;
146 struct animated_cursoricon_object
*ani_icon_data
= (struct animated_cursoricon_object
*) obj
;
148 ani_icon_data
->num_steps
= num_steps
;
149 ani_icon_data
->num_frames
= num_steps
; /* changed later for some animated cursors */
152 if (!(handle
= alloc_user_handle( &obj
->obj
, USER_ICON
)))
153 HeapFree( GetProcessHeap(), 0, obj
);
157 static struct cursoricon_object
*get_icon_ptr( HICON handle
)
159 struct cursoricon_object
*obj
= get_user_handle_ptr( handle
, USER_ICON
);
160 if (obj
== OBJ_OTHER_PROCESS
)
162 WARN( "icon handle %p from other process\n", handle
);
168 static struct cursoricon_frame
*get_icon_frame( struct cursoricon_object
*obj
, int istep
)
170 struct static_cursoricon_object
*req_frame
;
174 struct animated_cursoricon_object
*ani_icon_data
;
175 struct cursoricon_object
*frameobj
;
177 ani_icon_data
= (struct animated_cursoricon_object
*) obj
;
178 if (!(frameobj
= get_icon_ptr( ani_icon_data
->frames
[istep
] )))
180 req_frame
= (struct static_cursoricon_object
*) frameobj
;
183 req_frame
= (struct static_cursoricon_object
*) obj
;
185 return &req_frame
->frame
;
188 static void release_icon_frame( struct cursoricon_object
*obj
, struct cursoricon_frame
*frame
)
192 struct cursoricon_object
*frameobj
;
194 frameobj
= (struct cursoricon_object
*) (((char *)frame
) - FIELD_OFFSET(struct static_cursoricon_object
, frame
));
195 release_user_handle_ptr( frameobj
);
199 static UINT
get_icon_steps( struct cursoricon_object
*obj
)
203 struct animated_cursoricon_object
*ani_icon_data
;
205 ani_icon_data
= (struct animated_cursoricon_object
*) obj
;
206 return ani_icon_data
->num_steps
;
211 static BOOL
free_icon_handle( HICON handle
)
213 struct cursoricon_object
*obj
= free_user_handle( handle
, USER_ICON
);
215 if (obj
== OBJ_OTHER_PROCESS
) WARN( "icon handle %p from other process\n", handle
);
218 ULONG_PTR param
= obj
->param
;
221 assert( !obj
->rsrc
); /* shared icons can't be freed */
225 struct cursoricon_frame
*frame
= get_icon_frame( obj
, 0 );
227 if (frame
->alpha
) DeleteObject( frame
->alpha
);
228 if (frame
->color
) DeleteObject( frame
->color
);
229 DeleteObject( frame
->mask
);
230 release_icon_frame( obj
, frame
);
234 struct animated_cursoricon_object
*ani_icon_data
= (struct animated_cursoricon_object
*) obj
;
236 for (i
=0; i
<ani_icon_data
->num_steps
; i
++)
238 HICON hFrame
= ani_icon_data
->frames
[i
];
244 free_icon_handle( ani_icon_data
->frames
[i
] );
245 for (j
=0; j
<ani_icon_data
->num_steps
; j
++)
247 if (ani_icon_data
->frames
[j
] == hFrame
)
248 ani_icon_data
->frames
[j
] = 0;
253 if (!IS_INTRESOURCE( obj
->resname
)) HeapFree( GetProcessHeap(), 0, obj
->resname
);
254 HeapFree( GetProcessHeap(), 0, obj
);
255 if (wow_handlers
.free_icon_param
&& param
) wow_handlers
.free_icon_param( param
);
256 USER_Driver
->pDestroyCursorIcon( handle
);
262 ULONG_PTR
get_icon_param( HICON handle
)
265 struct cursoricon_object
*obj
= get_user_handle_ptr( handle
, USER_ICON
);
267 if (obj
== OBJ_OTHER_PROCESS
) WARN( "icon handle %p from other process\n", handle
);
271 release_user_handle_ptr( obj
);
276 ULONG_PTR
set_icon_param( HICON handle
, ULONG_PTR param
)
279 struct cursoricon_object
*obj
= get_user_handle_ptr( handle
, USER_ICON
);
281 if (obj
== OBJ_OTHER_PROCESS
) WARN( "icon handle %p from other process\n", handle
);
286 release_user_handle_ptr( obj
);
292 /***********************************************************************
295 * Helper function to map a file to memory:
297 * [RETURN] ptr - pointer to mapped file
298 * [RETURN] filesize - pointer size of file to be stored if not NULL
300 static const void *map_fileW( LPCWSTR name
, LPDWORD filesize
)
302 HANDLE hFile
, hMapping
;
305 hFile
= CreateFileW( name
, GENERIC_READ
, FILE_SHARE_READ
, NULL
,
306 OPEN_EXISTING
, FILE_FLAG_RANDOM_ACCESS
, 0 );
307 if (hFile
!= INVALID_HANDLE_VALUE
)
309 hMapping
= CreateFileMappingW( hFile
, NULL
, PAGE_READONLY
, 0, 0, NULL
);
312 ptr
= MapViewOfFile( hMapping
, FILE_MAP_READ
, 0, 0, 0 );
313 CloseHandle( hMapping
);
315 *filesize
= GetFileSize( hFile
, NULL
);
317 CloseHandle( hFile
);
323 /***********************************************************************
326 * Return the size of a DIB bitmap in bytes.
328 static int get_dib_image_size( int width
, int height
, int depth
)
330 return (((width
* depth
+ 31) / 8) & ~3) * abs( height
);
334 /***********************************************************************
337 * Return the size of the bitmap info structure including color table.
339 int bitmap_info_size( const BITMAPINFO
* info
, WORD coloruse
)
341 unsigned int colors
, size
, masks
= 0;
343 if (info
->bmiHeader
.biSize
== sizeof(BITMAPCOREHEADER
))
345 const BITMAPCOREHEADER
*core
= (const BITMAPCOREHEADER
*)info
;
346 colors
= (core
->bcBitCount
<= 8) ? 1 << core
->bcBitCount
: 0;
347 return sizeof(BITMAPCOREHEADER
) + colors
*
348 ((coloruse
== DIB_RGB_COLORS
) ? sizeof(RGBTRIPLE
) : sizeof(WORD
));
350 else /* assume BITMAPINFOHEADER */
352 colors
= info
->bmiHeader
.biClrUsed
;
353 if (colors
> 256) /* buffer overflow otherwise */
355 if (!colors
&& (info
->bmiHeader
.biBitCount
<= 8))
356 colors
= 1 << info
->bmiHeader
.biBitCount
;
357 if (info
->bmiHeader
.biCompression
== BI_BITFIELDS
) masks
= 3;
358 size
= max( info
->bmiHeader
.biSize
, sizeof(BITMAPINFOHEADER
) + masks
* sizeof(DWORD
) );
359 return size
+ colors
* ((coloruse
== DIB_RGB_COLORS
) ? sizeof(RGBQUAD
) : sizeof(WORD
));
364 /***********************************************************************
367 * Helper function to duplicate a bitmap.
369 static HBITMAP
copy_bitmap( HBITMAP bitmap
)
372 HBITMAP new_bitmap
= 0;
375 if (!bitmap
) return 0;
376 if (!GetObjectW( bitmap
, sizeof(bmp
), &bmp
)) return 0;
378 if ((src
= CreateCompatibleDC( 0 )) && (dst
= CreateCompatibleDC( 0 )))
380 SelectObject( src
, bitmap
);
381 if ((new_bitmap
= CreateCompatibleBitmap( src
, bmp
.bmWidth
, bmp
.bmHeight
)))
383 SelectObject( dst
, new_bitmap
);
384 BitBlt( dst
, 0, 0, bmp
.bmWidth
, bmp
.bmHeight
, src
, 0, 0, SRCCOPY
);
393 /***********************************************************************
396 * Returns whether a DIB can be converted to a monochrome DDB.
398 * A DIB can be converted if its color table contains only black and
399 * white. Black must be the first color in the color table.
401 * Note : If the first color in the color table is white followed by
402 * black, we can't convert it to a monochrome DDB with
403 * SetDIBits, because black and white would be inverted.
405 static BOOL
is_dib_monochrome( const BITMAPINFO
* info
)
407 if (info
->bmiHeader
.biSize
== sizeof(BITMAPCOREHEADER
))
409 const RGBTRIPLE
*rgb
= ((const BITMAPCOREINFO
*)info
)->bmciColors
;
411 if (((const BITMAPCOREINFO
*)info
)->bmciHeader
.bcBitCount
!= 1) return FALSE
;
413 /* Check if the first color is black */
414 if ((rgb
->rgbtRed
== 0) && (rgb
->rgbtGreen
== 0) && (rgb
->rgbtBlue
== 0))
418 /* Check if the second color is white */
419 return ((rgb
->rgbtRed
== 0xff) && (rgb
->rgbtGreen
== 0xff)
420 && (rgb
->rgbtBlue
== 0xff));
424 else /* assume BITMAPINFOHEADER */
426 const RGBQUAD
*rgb
= info
->bmiColors
;
428 if (info
->bmiHeader
.biBitCount
!= 1) return FALSE
;
430 /* Check if the first color is black */
431 if ((rgb
->rgbRed
== 0) && (rgb
->rgbGreen
== 0) &&
432 (rgb
->rgbBlue
== 0) && (rgb
->rgbReserved
== 0))
436 /* Check if the second color is white */
437 return ((rgb
->rgbRed
== 0xff) && (rgb
->rgbGreen
== 0xff)
438 && (rgb
->rgbBlue
== 0xff) && (rgb
->rgbReserved
== 0));
444 /***********************************************************************
447 * Get the info from a bitmap header.
448 * Return 1 for INFOHEADER, 0 for COREHEADER, -1 in case of failure.
450 static int DIB_GetBitmapInfo( const BITMAPINFOHEADER
*header
, LONG
*width
,
451 LONG
*height
, WORD
*bpp
, DWORD
*compr
)
453 if (header
->biSize
== sizeof(BITMAPCOREHEADER
))
455 const BITMAPCOREHEADER
*core
= (const BITMAPCOREHEADER
*)header
;
456 *width
= core
->bcWidth
;
457 *height
= core
->bcHeight
;
458 *bpp
= core
->bcBitCount
;
462 else if (header
->biSize
== sizeof(BITMAPINFOHEADER
) ||
463 header
->biSize
== sizeof(BITMAPV4HEADER
) ||
464 header
->biSize
== sizeof(BITMAPV5HEADER
))
466 *width
= header
->biWidth
;
467 *height
= header
->biHeight
;
468 *bpp
= header
->biBitCount
;
469 *compr
= header
->biCompression
;
472 WARN("unknown/wrong size (%u) for header\n", header
->biSize
);
476 /**********************************************************************
479 BOOL
get_icon_size( HICON handle
, SIZE
*size
)
481 struct cursoricon_object
*info
;
482 struct cursoricon_frame
*frame
;
484 if (!(info
= get_icon_ptr( handle
))) return FALSE
;
485 frame
= get_icon_frame( info
, 0 );
486 size
->cx
= frame
->width
;
487 size
->cy
= frame
->height
;
488 release_icon_frame( info
, frame
);
489 release_user_handle_ptr( info
);
494 * The following macro functions account for the irregularities of
495 * accessing cursor and icon resources in files and resource entries.
497 typedef BOOL (*fnGetCIEntry
)( LPCVOID dir
, DWORD size
, int n
,
498 int *width
, int *height
, int *bits
);
500 /**********************************************************************
501 * CURSORICON_FindBestIcon
503 * Find the icon closest to the requested size and bit depth.
505 static int CURSORICON_FindBestIcon( LPCVOID dir
, DWORD size
, fnGetCIEntry get_entry
,
506 int width
, int height
, int depth
, UINT loadflags
)
508 int i
, cx
, cy
, bits
, bestEntry
= -1;
509 UINT iTotalDiff
, iXDiff
=0, iYDiff
=0, iColorDiff
;
510 UINT iTempXDiff
, iTempYDiff
, iTempColorDiff
;
513 iTotalDiff
= 0xFFFFFFFF;
514 iColorDiff
= 0xFFFFFFFF;
516 if (loadflags
& LR_DEFAULTSIZE
)
518 if (!width
) width
= GetSystemMetrics( SM_CXICON
);
519 if (!height
) height
= GetSystemMetrics( SM_CYICON
);
521 else if (!width
&& !height
)
523 /* use the size of the first entry */
524 if (!get_entry( dir
, size
, 0, &width
, &height
, &bits
)) return -1;
528 for ( i
= 0; iTotalDiff
&& get_entry( dir
, size
, i
, &cx
, &cy
, &bits
); i
++ )
530 iTempXDiff
= abs(width
- cx
);
531 iTempYDiff
= abs(height
- cy
);
533 if(iTotalDiff
> (iTempXDiff
+ iTempYDiff
))
537 iTotalDiff
= iXDiff
+ iYDiff
;
541 /* Find Best Colors for Best Fit */
542 for ( i
= 0; get_entry( dir
, size
, i
, &cx
, &cy
, &bits
); i
++ )
544 TRACE("entry %d: %d x %d, %d bpp\n", i
, cx
, cy
, bits
);
546 if(abs(width
- cx
) == iXDiff
&& abs(height
- cy
) == iYDiff
)
548 iTempColorDiff
= abs(depth
- bits
);
549 if(iColorDiff
> iTempColorDiff
)
552 iColorDiff
= iTempColorDiff
;
560 static BOOL
CURSORICON_GetResIconEntry( LPCVOID dir
, DWORD size
, int n
,
561 int *width
, int *height
, int *bits
)
563 const CURSORICONDIR
*resdir
= dir
;
564 const ICONRESDIR
*icon
;
566 if ( resdir
->idCount
<= n
)
568 if ((const char *)&resdir
->idEntries
[n
+ 1] - (const char *)dir
> size
)
570 icon
= &resdir
->idEntries
[n
].ResInfo
.icon
;
571 *width
= icon
->bWidth
;
572 *height
= icon
->bHeight
;
573 *bits
= resdir
->idEntries
[n
].wBitCount
;
574 if (!*width
&& !*height
&& have_libpng()) *width
= *height
= 256;
578 /**********************************************************************
579 * CURSORICON_FindBestCursor
581 * Find the cursor closest to the requested size.
583 * FIXME: parameter 'color' ignored.
585 static int CURSORICON_FindBestCursor( LPCVOID dir
, DWORD size
, fnGetCIEntry get_entry
,
586 int width
, int height
, int depth
, UINT loadflags
)
588 int i
, maxwidth
, maxheight
, maxbits
, cx
, cy
, bits
, bestEntry
= -1;
590 if (loadflags
& LR_DEFAULTSIZE
)
592 if (!width
) width
= GetSystemMetrics( SM_CXCURSOR
);
593 if (!height
) height
= GetSystemMetrics( SM_CYCURSOR
);
595 else if (!width
&& !height
)
597 /* use the first entry */
598 if (!get_entry( dir
, size
, 0, &width
, &height
, &bits
)) return -1;
602 /* First find the largest one smaller than or equal to the requested size*/
604 maxwidth
= maxheight
= maxbits
= 0;
605 for ( i
= 0; get_entry( dir
, size
, i
, &cx
, &cy
, &bits
); i
++ )
607 if (cx
> width
|| cy
> height
) continue;
608 if (cx
< maxwidth
|| cy
< maxheight
) continue;
609 if (cx
== maxwidth
&& cy
== maxheight
)
611 if (loadflags
& LR_MONOCHROME
)
613 if (maxbits
&& bits
>= maxbits
) continue;
615 else if (bits
<= maxbits
) continue;
622 if (bestEntry
!= -1) return bestEntry
;
624 /* Now find the smallest one larger than the requested size */
626 maxwidth
= maxheight
= 255;
627 for ( i
= 0; get_entry( dir
, size
, i
, &cx
, &cy
, &bits
); i
++ )
629 if (cx
> maxwidth
|| cy
> maxheight
) continue;
630 if (cx
== maxwidth
&& cy
== maxheight
)
632 if (loadflags
& LR_MONOCHROME
)
634 if (maxbits
&& bits
>= maxbits
) continue;
636 else if (bits
<= maxbits
) continue;
643 if (bestEntry
== -1) bestEntry
= 0;
648 static BOOL
CURSORICON_GetResCursorEntry( LPCVOID dir
, DWORD size
, int n
,
649 int *width
, int *height
, int *bits
)
651 const CURSORICONDIR
*resdir
= dir
;
652 const CURSORDIR
*cursor
;
654 if ( resdir
->idCount
<= n
)
656 if ((const char *)&resdir
->idEntries
[n
+ 1] - (const char *)dir
> size
)
658 cursor
= &resdir
->idEntries
[n
].ResInfo
.cursor
;
659 *width
= cursor
->wWidth
;
660 *height
= cursor
->wHeight
;
661 *bits
= resdir
->idEntries
[n
].wBitCount
;
662 if (*height
== *width
* 2) *height
/= 2;
666 static const CURSORICONDIRENTRY
*CURSORICON_FindBestIconRes( const CURSORICONDIR
* dir
, DWORD size
,
667 int width
, int height
, int depth
,
672 n
= CURSORICON_FindBestIcon( dir
, size
, CURSORICON_GetResIconEntry
,
673 width
, height
, depth
, loadflags
);
676 return &dir
->idEntries
[n
];
679 static const CURSORICONDIRENTRY
*CURSORICON_FindBestCursorRes( const CURSORICONDIR
*dir
, DWORD size
,
680 int width
, int height
, int depth
,
683 int n
= CURSORICON_FindBestCursor( dir
, size
, CURSORICON_GetResCursorEntry
,
684 width
, height
, depth
, loadflags
);
687 return &dir
->idEntries
[n
];
690 static BOOL
CURSORICON_GetFileEntry( LPCVOID dir
, DWORD size
, int n
,
691 int *width
, int *height
, int *bits
)
693 const CURSORICONFILEDIR
*filedir
= dir
;
694 const CURSORICONFILEDIRENTRY
*entry
;
695 const BITMAPINFOHEADER
*info
;
697 if ( filedir
->idCount
<= n
)
699 if ((const char *)&filedir
->idEntries
[n
+ 1] - (const char *)dir
> size
)
701 entry
= &filedir
->idEntries
[n
];
702 if (entry
->dwDIBOffset
> size
- sizeof(info
->biSize
)) return FALSE
;
703 info
= (const BITMAPINFOHEADER
*)((const char *)dir
+ entry
->dwDIBOffset
);
705 if (info
->biSize
== PNG_SIGN
)
707 if (have_libpng()) return png_funcs
->get_png_info(info
, size
, width
, height
, bits
);
708 *width
= *height
= *bits
= 0;
712 if (info
->biSize
!= sizeof(BITMAPCOREHEADER
))
714 if ((const char *)(info
+ 1) - (const char *)dir
> size
) return FALSE
;
715 *bits
= info
->biBitCount
;
719 const BITMAPCOREHEADER
*coreinfo
= (const BITMAPCOREHEADER
*)((const char *)dir
+ entry
->dwDIBOffset
);
720 if ((const char *)(coreinfo
+ 1) - (const char *)dir
> size
) return FALSE
;
721 *bits
= coreinfo
->bcBitCount
;
723 *width
= entry
->bWidth
;
724 *height
= entry
->bHeight
;
728 static const CURSORICONFILEDIRENTRY
*CURSORICON_FindBestCursorFile( const CURSORICONFILEDIR
*dir
, DWORD size
,
729 int width
, int height
, int depth
,
732 int n
= CURSORICON_FindBestCursor( dir
, size
, CURSORICON_GetFileEntry
,
733 width
, height
, depth
, loadflags
);
736 return &dir
->idEntries
[n
];
739 static const CURSORICONFILEDIRENTRY
*CURSORICON_FindBestIconFile( const CURSORICONFILEDIR
*dir
, DWORD size
,
740 int width
, int height
, int depth
,
743 int n
= CURSORICON_FindBestIcon( dir
, size
, CURSORICON_GetFileEntry
,
744 width
, height
, depth
, loadflags
);
747 return &dir
->idEntries
[n
];
750 /***********************************************************************
753 static BOOL
bmi_has_alpha( const BITMAPINFO
*info
, const void *bits
)
756 BOOL has_alpha
= FALSE
;
757 const unsigned char *ptr
= bits
;
759 if (info
->bmiHeader
.biBitCount
!= 32) return FALSE
;
760 for (i
= 0; i
< info
->bmiHeader
.biWidth
* abs(info
->bmiHeader
.biHeight
); i
++, ptr
+= 4)
761 if ((has_alpha
= (ptr
[3] != 0))) break;
765 /***********************************************************************
766 * create_alpha_bitmap
768 * Create the alpha bitmap for a 32-bpp icon that has an alpha channel.
770 static HBITMAP
create_alpha_bitmap( HBITMAP color
, const BITMAPINFO
*src_info
, const void *color_bits
)
773 BITMAPINFO
*info
= NULL
;
780 if (!GetObjectW( color
, sizeof(bm
), &bm
)) return 0;
781 if (bm
.bmBitsPixel
!= 32) return 0;
783 if (!(hdc
= CreateCompatibleDC( 0 ))) return 0;
784 if (!(info
= HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO
, bmiColors
[256] )))) goto done
;
785 info
->bmiHeader
.biSize
= sizeof(BITMAPINFOHEADER
);
786 info
->bmiHeader
.biWidth
= bm
.bmWidth
;
787 info
->bmiHeader
.biHeight
= -bm
.bmHeight
;
788 info
->bmiHeader
.biPlanes
= 1;
789 info
->bmiHeader
.biBitCount
= 32;
790 info
->bmiHeader
.biCompression
= BI_RGB
;
791 info
->bmiHeader
.biSizeImage
= bm
.bmWidth
* bm
.bmHeight
* 4;
792 info
->bmiHeader
.biXPelsPerMeter
= 0;
793 info
->bmiHeader
.biYPelsPerMeter
= 0;
794 info
->bmiHeader
.biClrUsed
= 0;
795 info
->bmiHeader
.biClrImportant
= 0;
796 if (!(alpha
= CreateDIBSection( hdc
, info
, DIB_RGB_COLORS
, &bits
, NULL
, 0 ))) goto done
;
800 SelectObject( hdc
, alpha
);
801 StretchDIBits( hdc
, 0, 0, bm
.bmWidth
, bm
.bmHeight
,
802 0, 0, src_info
->bmiHeader
.biWidth
, src_info
->bmiHeader
.biHeight
,
803 color_bits
, src_info
, DIB_RGB_COLORS
, SRCCOPY
);
808 GetDIBits( hdc
, color
, 0, bm
.bmHeight
, bits
, info
, DIB_RGB_COLORS
);
809 if (!bmi_has_alpha( info
, bits
))
811 DeleteObject( alpha
);
817 /* pre-multiply by alpha */
818 for (i
= 0, ptr
= bits
; i
< bm
.bmWidth
* bm
.bmHeight
; i
++, ptr
+= 4)
820 unsigned int alpha
= ptr
[3];
821 ptr
[0] = ptr
[0] * alpha
/ 255;
822 ptr
[1] = ptr
[1] * alpha
/ 255;
823 ptr
[2] = ptr
[2] * alpha
/ 255;
828 HeapFree( GetProcessHeap(), 0, info
);
833 /***********************************************************************
834 * create_icon_from_bmi
836 * Create an icon from its BITMAPINFO.
838 static HICON
create_icon_from_bmi( const BITMAPINFO
*bmi
, DWORD maxsize
, HMODULE module
, LPCWSTR resname
,
839 HRSRC rsrc
, POINT hotspot
, BOOL bIcon
, INT width
, INT height
,
842 DWORD size
, color_size
, mask_size
;
843 HBITMAP color
= 0, mask
= 0, alpha
= 0;
844 const void *color_bits
, *mask_bits
;
845 void *alpha_mask_bits
= NULL
;
846 BITMAPINFO
*bmi_copy
;
851 LONG bmi_width
, bmi_height
;
855 /* Check bitmap header */
857 if (bmi
->bmiHeader
.biSize
== PNG_SIGN
)
861 if (!have_libpng()) return 0;
862 bmi_png
= png_funcs
->load_png( (const char *)bmi
, &maxsize
);
865 hObj
= create_icon_from_bmi( bmi_png
, maxsize
, module
, resname
,
866 rsrc
, hotspot
, bIcon
, width
, height
, cFlag
);
867 HeapFree( GetProcessHeap(), 0, bmi_png
);
873 if (maxsize
< sizeof(BITMAPCOREHEADER
))
875 WARN( "invalid size %u\n", maxsize
);
878 if (maxsize
< bmi
->bmiHeader
.biSize
)
880 WARN( "invalid header size %u\n", bmi
->bmiHeader
.biSize
);
883 if ( (bmi
->bmiHeader
.biSize
!= sizeof(BITMAPCOREHEADER
)) &&
884 (bmi
->bmiHeader
.biSize
!= sizeof(BITMAPINFOHEADER
) ||
885 (bmi
->bmiHeader
.biCompression
!= BI_RGB
&&
886 bmi
->bmiHeader
.biCompression
!= BI_BITFIELDS
)) )
888 WARN( "invalid bitmap header %u\n", bmi
->bmiHeader
.biSize
);
892 size
= bitmap_info_size( bmi
, DIB_RGB_COLORS
);
893 DIB_GetBitmapInfo(&bmi
->bmiHeader
, &bmi_width
, &bmi_height
, &bpp
, &compr
);
894 color_size
= get_dib_image_size( bmi_width
, bmi_height
/ 2,
896 mask_size
= get_dib_image_size( bmi_width
, bmi_height
/ 2, 1 );
897 if (size
> maxsize
|| color_size
> maxsize
- size
)
899 WARN( "truncated file %u < %u+%u+%u\n", maxsize
, size
, color_size
, mask_size
);
902 if (mask_size
> maxsize
- size
- color_size
) mask_size
= 0; /* no mask */
904 if (cFlag
& LR_DEFAULTSIZE
)
906 if (!width
) width
= GetSystemMetrics( bIcon
? SM_CXICON
: SM_CXCURSOR
);
907 if (!height
) height
= GetSystemMetrics( bIcon
? SM_CYICON
: SM_CYCURSOR
);
911 if (!width
) width
= bmi_width
;
912 if (!height
) height
= bmi_height
/2;
914 do_stretch
= (bmi_height
/2 != height
) ||
915 (bmi_width
!= width
);
917 /* Scale the hotspot */
920 hotspot
.x
= width
/ 2;
921 hotspot
.y
= height
/ 2;
925 hotspot
.x
= (hotspot
.x
* width
) / bmi_width
;
926 hotspot
.y
= (hotspot
.y
* height
) / (bmi_height
/ 2);
929 if (!(bmi_copy
= HeapAlloc( GetProcessHeap(), 0, max( size
, FIELD_OFFSET( BITMAPINFO
, bmiColors
[2] )))))
931 if (!(hdc
= CreateCompatibleDC( 0 ))) goto done
;
933 memcpy( bmi_copy
, bmi
, size
);
934 if (bmi_copy
->bmiHeader
.biSize
!= sizeof(BITMAPCOREHEADER
))
935 bmi_copy
->bmiHeader
.biHeight
/= 2;
937 ((BITMAPCOREINFO
*)bmi_copy
)->bmciHeader
.bcHeight
/= 2;
940 color_bits
= (const char*)bmi
+ size
;
941 mask_bits
= (const char*)color_bits
+ color_size
;
944 if (is_dib_monochrome( bmi
))
946 if (!(mask
= CreateBitmap( width
, height
* 2, 1, 1, NULL
))) goto done
;
949 /* copy color data into second half of mask bitmap */
950 SelectObject( hdc
, mask
);
951 StretchDIBits( hdc
, 0, height
, width
, height
,
952 0, 0, bmi_width
, bmi_height
,
953 color_bits
, bmi_copy
, DIB_RGB_COLORS
, SRCCOPY
);
957 if (!(mask
= CreateBitmap( width
, height
, 1, 1, NULL
))) goto done
;
958 if (!(color
= create_color_bitmap( width
, height
)))
960 DeleteObject( mask
);
963 SelectObject( hdc
, color
);
964 StretchDIBits( hdc
, 0, 0, width
, height
,
965 0, 0, bmi_width
, bmi_height
,
966 color_bits
, bmi_copy
, DIB_RGB_COLORS
, SRCCOPY
);
968 if (bmi_has_alpha( bmi_copy
, color_bits
))
970 alpha
= create_alpha_bitmap( color
, bmi_copy
, color_bits
);
971 if (!mask_size
) /* generate mask from alpha */
973 LONG x
, y
, dst_stride
= ((bmi_width
+ 31) / 8) & ~3;
975 if ((alpha_mask_bits
= heap_calloc( bmi_height
, dst_stride
)))
977 static const unsigned char masks
[] = { 0x80, 0x40, 0x20, 0x10, 0x8, 0x4, 0x2, 0x1 };
978 const DWORD
*src
= color_bits
;
979 unsigned char *dst
= alpha_mask_bits
;
981 for (y
= 0; y
< bmi_height
; y
++, src
+= bmi_width
, dst
+= dst_stride
)
982 for (x
= 0; x
< bmi_width
; x
++)
983 if (src
[x
] >> 24 != 0xff) dst
[x
>> 3] |= masks
[x
& 7];
985 mask_bits
= alpha_mask_bits
;
986 mask_size
= bmi_height
* dst_stride
;
991 /* convert info to monochrome to copy the mask */
992 if (bmi_copy
->bmiHeader
.biSize
!= sizeof(BITMAPCOREHEADER
))
994 RGBQUAD
*rgb
= bmi_copy
->bmiColors
;
996 bmi_copy
->bmiHeader
.biBitCount
= 1;
997 bmi_copy
->bmiHeader
.biClrUsed
= bmi_copy
->bmiHeader
.biClrImportant
= 2;
998 rgb
[0].rgbBlue
= rgb
[0].rgbGreen
= rgb
[0].rgbRed
= 0x00;
999 rgb
[1].rgbBlue
= rgb
[1].rgbGreen
= rgb
[1].rgbRed
= 0xff;
1000 rgb
[0].rgbReserved
= rgb
[1].rgbReserved
= 0;
1004 RGBTRIPLE
*rgb
= (RGBTRIPLE
*)(((BITMAPCOREHEADER
*)bmi_copy
) + 1);
1006 ((BITMAPCOREINFO
*)bmi_copy
)->bmciHeader
.bcBitCount
= 1;
1007 rgb
[0].rgbtBlue
= rgb
[0].rgbtGreen
= rgb
[0].rgbtRed
= 0x00;
1008 rgb
[1].rgbtBlue
= rgb
[1].rgbtGreen
= rgb
[1].rgbtRed
= 0xff;
1014 SelectObject( hdc
, mask
);
1015 StretchDIBits( hdc
, 0, 0, width
, height
,
1016 0, 0, bmi_width
, bmi_height
,
1017 mask_bits
, bmi_copy
, DIB_RGB_COLORS
, SRCCOPY
);
1023 HeapFree( GetProcessHeap(), 0, bmi_copy
);
1024 HeapFree( GetProcessHeap(), 0, alpha_mask_bits
);
1027 hObj
= alloc_icon_handle( FALSE
, 0 );
1030 struct cursoricon_object
*info
= get_icon_ptr( hObj
);
1031 struct cursoricon_frame
*frame
;
1033 info
->is_icon
= bIcon
;
1034 info
->module
= module
;
1035 info
->hotspot
= hotspot
;
1036 frame
= get_icon_frame( info
, 0 );
1038 frame
->width
= width
;
1039 frame
->height
= height
;
1040 frame
->color
= color
;
1042 frame
->alpha
= alpha
;
1043 release_icon_frame( info
, frame
);
1044 if (!IS_INTRESOURCE(resname
))
1046 info
->resname
= HeapAlloc( GetProcessHeap(), 0, (lstrlenW(resname
) + 1) * sizeof(WCHAR
) );
1047 if (info
->resname
) lstrcpyW( info
->resname
, resname
);
1049 else info
->resname
= MAKEINTRESOURCEW( LOWORD(resname
) );
1051 if (module
&& (cFlag
& LR_SHARED
))
1054 list_add_head( &icon_cache
, &info
->entry
);
1056 release_user_handle_ptr( info
);
1060 DeleteObject( color
);
1061 DeleteObject( alpha
);
1062 DeleteObject( mask
);
1068 /**********************************************************************
1069 * .ANI cursor support
1071 #define ANI_RIFF_ID RIFF_FOURCC('R', 'I', 'F', 'F')
1072 #define ANI_LIST_ID RIFF_FOURCC('L', 'I', 'S', 'T')
1073 #define ANI_ACON_ID RIFF_FOURCC('A', 'C', 'O', 'N')
1074 #define ANI_anih_ID RIFF_FOURCC('a', 'n', 'i', 'h')
1075 #define ANI_seq__ID RIFF_FOURCC('s', 'e', 'q', ' ')
1076 #define ANI_fram_ID RIFF_FOURCC('f', 'r', 'a', 'm')
1077 #define ANI_rate_ID RIFF_FOURCC('r', 'a', 't', 'e')
1079 #define ANI_FLAG_ICON 0x1
1080 #define ANI_FLAG_SEQUENCE 0x2
1096 const unsigned char *data
;
1099 static void dump_ani_header( const ani_header
*header
)
1101 TRACE(" header size: %d\n", header
->header_size
);
1102 TRACE(" frames: %d\n", header
->num_frames
);
1103 TRACE(" steps: %d\n", header
->num_steps
);
1104 TRACE(" width: %d\n", header
->width
);
1105 TRACE(" height: %d\n", header
->height
);
1106 TRACE(" bpp: %d\n", header
->bpp
);
1107 TRACE(" planes: %d\n", header
->num_planes
);
1108 TRACE(" display rate: %d\n", header
->display_rate
);
1109 TRACE(" flags: 0x%08x\n", header
->flags
);
1131 static void riff_find_chunk( DWORD chunk_id
, DWORD chunk_type
, const riff_chunk_t
*parent_chunk
, riff_chunk_t
*chunk
)
1133 const unsigned char *ptr
= parent_chunk
->data
;
1134 const unsigned char *end
= parent_chunk
->data
+ (parent_chunk
->data_size
- (2 * sizeof(DWORD
)));
1136 if (chunk_type
== ANI_LIST_ID
|| chunk_type
== ANI_RIFF_ID
) end
-= sizeof(DWORD
);
1140 if ((!chunk_type
&& *(const DWORD
*)ptr
== chunk_id
)
1141 || (chunk_type
&& *(const DWORD
*)ptr
== chunk_type
&& *((const DWORD
*)ptr
+ 2) == chunk_id
))
1143 ptr
+= sizeof(DWORD
);
1144 chunk
->data_size
= (*(const DWORD
*)ptr
+ 1) & ~1;
1145 ptr
+= sizeof(DWORD
);
1146 if (chunk_type
== ANI_LIST_ID
|| chunk_type
== ANI_RIFF_ID
) ptr
+= sizeof(DWORD
);
1152 ptr
+= sizeof(DWORD
);
1155 ptr
+= (*(const DWORD
*)ptr
+ 1) & ~1;
1156 ptr
+= sizeof(DWORD
);
1164 * RIFF:'ACON' RIFF chunk
1165 * |- CHUNK:'anih' Header
1166 * |- CHUNK:'seq ' Sequence information (optional)
1167 * \- LIST:'fram' Frame list
1168 * |- CHUNK:icon Cursor frames
1173 static HCURSOR
CURSORICON_CreateIconFromANI( const BYTE
*bits
, DWORD bits_size
, INT width
, INT height
,
1174 INT depth
, BOOL is_icon
, UINT loadflags
)
1176 struct animated_cursoricon_object
*ani_icon_data
;
1177 struct cursoricon_object
*info
;
1178 DWORD
*frame_rates
= NULL
;
1179 DWORD
*frame_seq
= NULL
;
1181 BOOL use_seq
= FALSE
;
1187 riff_chunk_t root_chunk
= { bits_size
, bits
};
1188 riff_chunk_t ACON_chunk
= {0};
1189 riff_chunk_t anih_chunk
= {0};
1190 riff_chunk_t fram_chunk
= {0};
1191 riff_chunk_t rate_chunk
= {0};
1192 riff_chunk_t seq_chunk
= {0};
1193 const unsigned char *icon_chunk
;
1194 const unsigned char *icon_data
;
1196 TRACE("bits %p, bits_size %d\n", bits
, bits_size
);
1198 riff_find_chunk( ANI_ACON_ID
, ANI_RIFF_ID
, &root_chunk
, &ACON_chunk
);
1199 if (!ACON_chunk
.data
)
1201 ERR("Failed to get root chunk.\n");
1205 riff_find_chunk( ANI_anih_ID
, 0, &ACON_chunk
, &anih_chunk
);
1206 if (!anih_chunk
.data
)
1208 ERR("Failed to get 'anih' chunk.\n");
1211 memcpy( &header
, anih_chunk
.data
, sizeof(header
) );
1212 dump_ani_header( &header
);
1214 if (!(header
.flags
& ANI_FLAG_ICON
))
1216 FIXME("Raw animated icon/cursor data is not currently supported.\n");
1220 if (header
.flags
& ANI_FLAG_SEQUENCE
)
1222 riff_find_chunk( ANI_seq__ID
, 0, &ACON_chunk
, &seq_chunk
);
1225 frame_seq
= (DWORD
*) seq_chunk
.data
;
1230 FIXME("Sequence data expected but not found, assuming steps == frames.\n");
1231 header
.num_steps
= header
.num_frames
;
1235 riff_find_chunk( ANI_rate_ID
, 0, &ACON_chunk
, &rate_chunk
);
1236 if (rate_chunk
.data
)
1237 frame_rates
= (DWORD
*) rate_chunk
.data
;
1239 riff_find_chunk( ANI_fram_ID
, ANI_LIST_ID
, &ACON_chunk
, &fram_chunk
);
1240 if (!fram_chunk
.data
)
1242 ERR("Failed to get icon list.\n");
1246 cursor
= alloc_icon_handle( TRUE
, header
.num_steps
);
1247 if (!cursor
) return 0;
1248 frames
= HeapAlloc( GetProcessHeap(), 0, sizeof(*frames
) * header
.num_frames
);
1251 free_icon_handle( cursor
);
1255 info
= get_icon_ptr( cursor
);
1256 ani_icon_data
= (struct animated_cursoricon_object
*) info
;
1257 info
->is_icon
= is_icon
;
1258 ani_icon_data
->num_frames
= header
.num_frames
;
1260 /* The .ANI stores the display rate in jiffies (1/60s) */
1261 info
->delay
= header
.display_rate
;
1263 icon_chunk
= fram_chunk
.data
;
1264 icon_data
= fram_chunk
.data
+ (2 * sizeof(DWORD
));
1265 for (i
=0; i
<header
.num_frames
; i
++)
1267 const DWORD chunk_size
= *(const DWORD
*)(icon_chunk
+ sizeof(DWORD
));
1268 const CURSORICONFILEDIRENTRY
*entry
;
1269 INT frameWidth
, frameHeight
;
1270 const BITMAPINFO
*bmi
;
1272 entry
= CURSORICON_FindBestIconFile((const CURSORICONFILEDIR
*) icon_data
,
1273 bits
+ bits_size
- icon_data
,
1274 width
, height
, depth
, loadflags
);
1276 info
->hotspot
.x
= entry
->xHotspot
;
1277 info
->hotspot
.y
= entry
->yHotspot
;
1278 if (!header
.width
|| !header
.height
)
1280 frameWidth
= entry
->bWidth
;
1281 frameHeight
= entry
->bHeight
;
1285 frameWidth
= header
.width
;
1286 frameHeight
= header
.height
;
1290 if (entry
->dwDIBOffset
< bits
+ bits_size
- icon_data
)
1292 bmi
= (const BITMAPINFO
*) (icon_data
+ entry
->dwDIBOffset
);
1293 /* Grab a frame from the animation */
1294 frames
[i
] = create_icon_from_bmi( bmi
, bits
+ bits_size
- (const BYTE
*)bmi
,
1295 NULL
, NULL
, NULL
, info
->hotspot
,
1296 is_icon
, frameWidth
, frameHeight
, loadflags
);
1301 FIXME_(cursor
)("failed to convert animated cursor frame.\n");
1305 FIXME_(cursor
)("Completely failed to create animated cursor!\n");
1306 ani_icon_data
->num_frames
= 0;
1307 release_user_handle_ptr( info
);
1308 free_icon_handle( cursor
);
1309 HeapFree( GetProcessHeap(), 0, frames
);
1315 /* Advance to the next chunk */
1316 icon_chunk
+= chunk_size
+ (2 * sizeof(DWORD
));
1317 icon_data
= icon_chunk
+ (2 * sizeof(DWORD
));
1320 /* There was an error but we at least decoded the first frame, so just use that frame */
1323 FIXME_(cursor
)("Error creating animated cursor, only using first frame!\n");
1324 for (i
=1; i
<ani_icon_data
->num_frames
; i
++)
1325 free_icon_handle( ani_icon_data
->frames
[i
] );
1328 ani_icon_data
->num_steps
= 1;
1329 ani_icon_data
->num_frames
= 1;
1332 /* Setup the animated frames in the correct sequence */
1333 for (i
=0; i
<ani_icon_data
->num_steps
; i
++)
1335 DWORD frame_id
= use_seq
? frame_seq
[i
] : i
;
1336 struct cursoricon_frame
*frame
;
1338 if (frame_id
>= ani_icon_data
->num_frames
)
1340 frame_id
= ani_icon_data
->num_frames
-1;
1341 ERR_(cursor
)("Sequence indicates frame past end of list, corrupt?\n");
1343 ani_icon_data
->frames
[i
] = frames
[frame_id
];
1344 frame
= get_icon_frame( info
, i
);
1346 frame
->delay
= frame_rates
[i
];
1349 release_icon_frame( info
, frame
);
1352 HeapFree( GetProcessHeap(), 0, frames
);
1353 release_user_handle_ptr( info
);
1359 /**********************************************************************
1360 * CreateIconFromResourceEx (USER32.@)
1362 * FIXME: Convert to mono when cFlag is LR_MONOCHROME.
1364 HICON WINAPI
CreateIconFromResourceEx( LPBYTE bits
, UINT cbSize
,
1365 BOOL bIcon
, DWORD dwVersion
,
1366 INT width
, INT height
,
1370 const BITMAPINFO
*bmi
;
1372 TRACE_(cursor
)("%p (%u bytes), ver %08x, %ix%i %s %s\n",
1373 bits
, cbSize
, dwVersion
, width
, height
,
1374 bIcon
? "icon" : "cursor", (cFlag
& LR_MONOCHROME
) ? "mono" : "" );
1376 if (!bits
) return 0;
1378 if (dwVersion
== 0x00020000)
1380 FIXME_(cursor
)("\t2.xx resources are not supported\n");
1384 /* Check if the resource is an animated icon/cursor */
1385 if (!memcmp(bits
, "RIFF", 4))
1386 return CURSORICON_CreateIconFromANI( bits
, cbSize
, width
, height
,
1387 0 /* default depth */, bIcon
, cFlag
);
1391 hotspot
.x
= width
/ 2;
1392 hotspot
.y
= height
/ 2;
1393 bmi
= (BITMAPINFO
*)bits
;
1395 else /* get the hotspot */
1397 const SHORT
*pt
= (const SHORT
*)bits
;
1400 bmi
= (const BITMAPINFO
*)(pt
+ 2);
1401 cbSize
-= 2 * sizeof(*pt
);
1404 return create_icon_from_bmi( bmi
, cbSize
, NULL
, NULL
, NULL
, hotspot
, bIcon
, width
, height
, cFlag
);
1408 /**********************************************************************
1409 * CreateIconFromResource (USER32.@)
1411 HICON WINAPI
CreateIconFromResource( LPBYTE bits
, UINT cbSize
,
1412 BOOL bIcon
, DWORD dwVersion
)
1414 return CreateIconFromResourceEx( bits
, cbSize
, bIcon
, dwVersion
, 0,0,0);
1418 static HICON
CURSORICON_LoadFromFile( LPCWSTR filename
,
1419 INT width
, INT height
, INT depth
,
1420 BOOL fCursor
, UINT loadflags
)
1422 const CURSORICONFILEDIRENTRY
*entry
;
1423 const CURSORICONFILEDIR
*dir
;
1429 TRACE("loading %s\n", debugstr_w( filename
));
1431 bits
= map_fileW( filename
, &filesize
);
1435 /* Check for .ani. */
1436 if (memcmp( bits
, "RIFF", 4 ) == 0)
1438 hIcon
= CURSORICON_CreateIconFromANI( bits
, filesize
, width
, height
, depth
, !fCursor
, loadflags
);
1442 dir
= (const CURSORICONFILEDIR
*) bits
;
1443 if ( filesize
< FIELD_OFFSET( CURSORICONFILEDIR
, idEntries
[dir
->idCount
] ))
1447 entry
= CURSORICON_FindBestCursorFile( dir
, filesize
, width
, height
, depth
, loadflags
);
1449 entry
= CURSORICON_FindBestIconFile( dir
, filesize
, width
, height
, depth
, loadflags
);
1454 /* check that we don't run off the end of the file */
1455 if ( entry
->dwDIBOffset
> filesize
)
1457 if ( entry
->dwDIBOffset
+ entry
->dwDIBSize
> filesize
)
1460 hotspot
.x
= entry
->xHotspot
;
1461 hotspot
.y
= entry
->yHotspot
;
1462 hIcon
= create_icon_from_bmi( (const BITMAPINFO
*)&bits
[entry
->dwDIBOffset
], filesize
- entry
->dwDIBOffset
,
1463 NULL
, NULL
, NULL
, hotspot
, !fCursor
, width
, height
, loadflags
);
1465 TRACE("loaded %s -> %p\n", debugstr_w( filename
), hIcon
);
1466 UnmapViewOfFile( bits
);
1470 /**********************************************************************
1473 * Load a cursor or icon from resource or file.
1475 static HICON
CURSORICON_Load(HINSTANCE hInstance
, LPCWSTR name
,
1476 INT width
, INT height
, INT depth
,
1477 BOOL fCursor
, UINT loadflags
)
1483 const CURSORICONDIR
*dir
;
1484 const CURSORICONDIRENTRY
*dirEntry
;
1489 TRACE("%p, %s, %dx%d, depth %d, fCursor %d, flags 0x%04x\n",
1490 hInstance
, debugstr_w(name
), width
, height
, depth
, fCursor
, loadflags
);
1492 if ( loadflags
& LR_LOADFROMFILE
) /* Load from file */
1493 return CURSORICON_LoadFromFile( name
, width
, height
, depth
, fCursor
, loadflags
);
1495 if (!hInstance
) hInstance
= user32_module
; /* Load OEM cursor/icon */
1497 /* don't cache 16-bit instances (FIXME: should never get 16-bit instances in the first place) */
1498 if ((ULONG_PTR
)hInstance
>> 16 == 0) loadflags
&= ~LR_SHARED
;
1500 /* Get directory resource ID */
1502 if (!(hRsrc
= FindResourceW( hInstance
, name
,
1503 (LPWSTR
)(fCursor
? RT_GROUP_CURSOR
: RT_GROUP_ICON
) )))
1505 /* try animated resource */
1506 if (!(hRsrc
= FindResourceW( hInstance
, name
,
1507 (LPWSTR
)(fCursor
? RT_ANICURSOR
: RT_ANIICON
) ))) return 0;
1508 if (!(handle
= LoadResource( hInstance
, hRsrc
))) return 0;
1509 bits
= LockResource( handle
);
1510 return CURSORICON_CreateIconFromANI( bits
, SizeofResource( hInstance
, handle
),
1511 width
, height
, depth
, !fCursor
, loadflags
);
1514 /* Find the best entry in the directory */
1516 if (!(handle
= LoadResource( hInstance
, hRsrc
))) return 0;
1517 if (!(dir
= LockResource( handle
))) return 0;
1518 size
= SizeofResource( hInstance
, hRsrc
);
1520 dirEntry
= CURSORICON_FindBestCursorRes( dir
, size
, width
, height
, depth
, loadflags
);
1522 dirEntry
= CURSORICON_FindBestIconRes( dir
, size
, width
, height
, depth
, loadflags
);
1523 if (!dirEntry
) return 0;
1524 wResId
= dirEntry
->wResId
;
1525 FreeResource( handle
);
1527 /* Load the resource */
1529 if (!(hRsrc
= FindResourceW(hInstance
,MAKEINTRESOURCEW(wResId
),
1530 (LPWSTR
)(fCursor
? RT_CURSOR
: RT_ICON
) ))) return 0;
1532 /* If shared icon, check whether it was already loaded */
1533 if (loadflags
& LR_SHARED
)
1535 struct cursoricon_object
*ptr
;
1538 LIST_FOR_EACH_ENTRY( ptr
, &icon_cache
, struct cursoricon_object
, entry
)
1540 if (ptr
->module
!= hInstance
) continue;
1541 if (ptr
->rsrc
!= hRsrc
) continue;
1542 hIcon
= ptr
->obj
.handle
;
1546 if (hIcon
) return hIcon
;
1549 if (!(handle
= LoadResource( hInstance
, hRsrc
))) return 0;
1550 size
= SizeofResource( hInstance
, hRsrc
);
1551 bits
= LockResource( handle
);
1555 hotspot
.x
= width
/ 2;
1556 hotspot
.y
= height
/ 2;
1558 else /* get the hotspot */
1560 const SHORT
*pt
= (const SHORT
*)bits
;
1563 bits
+= 2 * sizeof(SHORT
);
1564 size
-= 2 * sizeof(SHORT
);
1566 hIcon
= create_icon_from_bmi( (const BITMAPINFO
*)bits
, size
, hInstance
, name
, hRsrc
,
1567 hotspot
, !fCursor
, width
, height
, loadflags
);
1568 FreeResource( handle
);
1573 static HBITMAP
create_masked_bitmap( int width
, int height
, const void *and, const void *xor )
1575 HDC dc
= CreateCompatibleDC( 0 );
1578 const BITMAPINFO bitmap_info
=
1580 .bmiHeader
.biSize
= sizeof(BITMAPINFOHEADER
),
1581 .bmiHeader
.biWidth
= width
,
1582 .bmiHeader
.biHeight
= height
* 2,
1583 .bmiHeader
.biPlanes
= 1,
1584 .bmiHeader
.biBitCount
= 1,
1587 bitmap
= CreateBitmap( width
, height
* 2, 1, 1, NULL
);
1588 SetDIBits( dc
, bitmap
, 0, height
, and, &bitmap_info
, FALSE
);
1589 SetDIBits( dc
, bitmap
, height
, height
, xor, &bitmap_info
, FALSE
);
1595 /***********************************************************************
1596 * CreateCursor (USER32.@)
1598 HCURSOR WINAPI
CreateCursor( HINSTANCE instance
, int hotspot_x
, int hotspot_y
,
1599 int width
, int height
, const void *and, const void *xor )
1604 TRACE( "hotspot (%d,%d), size %dx%d\n", hotspot_x
, hotspot_y
, width
, height
);
1607 info
.xHotspot
= hotspot_x
;
1608 info
.yHotspot
= hotspot_y
;
1609 info
.hbmColor
= NULL
;
1610 info
.hbmMask
= create_masked_bitmap( width
, height
, and, xor );
1611 cursor
= CreateIconIndirect( &info
);
1612 DeleteObject( info
.hbmMask
);
1617 /***********************************************************************
1618 * CreateIcon (USER32.@)
1620 * Creates an icon based on the specified bitmaps. The bitmaps must be
1621 * provided in a device dependent format and will be resized to
1622 * (SM_CXICON,SM_CYICON) and depth converted to match the screen's color
1623 * depth. The provided bitmaps must be top-down bitmaps.
1624 * Although Windows does not support 15bpp(*) this API must support it
1625 * for Winelib applications.
1627 * (*) Windows does not support 15bpp but it supports the 555 RGB 16bpp
1631 * Success: handle to an icon
1634 * FIXME: Do we need to resize the bitmaps?
1636 HICON WINAPI
CreateIcon( HINSTANCE instance
, int width
, int height
, BYTE planes
,
1637 BYTE depth
, const void *and, const void *xor )
1642 TRACE_(icon
)( "%dx%d, planes %d, depth %d\n", width
, height
, planes
, depth
);
1645 info
.xHotspot
= width
/ 2;
1646 info
.yHotspot
= height
/ 2;
1649 info
.hbmColor
= NULL
;
1650 info
.hbmMask
= create_masked_bitmap( width
, height
, and, xor );
1654 info
.hbmColor
= CreateBitmap( width
, height
, planes
, depth
, xor );
1655 info
.hbmMask
= CreateBitmap( width
, height
, 1, 1, and );
1658 icon
= CreateIconIndirect( &info
);
1660 DeleteObject( info
.hbmMask
);
1661 DeleteObject( info
.hbmColor
);
1667 /***********************************************************************
1668 * CopyIcon (USER32.@)
1670 HICON WINAPI
CopyIcon( HICON icon
)
1675 info
.cbSize
= sizeof(info
);
1676 if (!GetIconInfoExW( icon
, &info
))
1679 res
= CopyImage( icon
, info
.fIcon
? IMAGE_ICON
: IMAGE_CURSOR
, 0, 0, 0 );
1680 DeleteObject( info
.hbmColor
);
1681 DeleteObject( info
.hbmMask
);
1686 /***********************************************************************
1687 * DestroyIcon (USER32.@)
1689 BOOL WINAPI
DestroyIcon( HICON hIcon
)
1692 struct cursoricon_object
*obj
= get_icon_ptr( hIcon
);
1694 TRACE_(icon
)("%p\n", hIcon
);
1698 BOOL shared
= (obj
->rsrc
!= NULL
);
1699 release_user_handle_ptr( obj
);
1700 ret
= (GetCursor() != hIcon
);
1701 if (!shared
) free_icon_handle( hIcon
);
1707 /***********************************************************************
1708 * DestroyCursor (USER32.@)
1710 BOOL WINAPI
DestroyCursor( HCURSOR hCursor
)
1712 return DestroyIcon( hCursor
);
1715 /***********************************************************************
1716 * DrawIcon (USER32.@)
1718 BOOL WINAPI
DrawIcon( HDC hdc
, INT x
, INT y
, HICON hIcon
)
1720 return DrawIconEx( hdc
, x
, y
, hIcon
, 0, 0, 0, 0, DI_NORMAL
| DI_COMPAT
| DI_DEFAULTSIZE
);
1723 /***********************************************************************
1724 * SetCursor (USER32.@)
1726 * Set the cursor shape.
1729 * A handle to the previous cursor shape.
1731 HCURSOR WINAPI DECLSPEC_HOTPATCH
SetCursor( HCURSOR hCursor
/* [in] Handle of cursor to show */ )
1733 struct cursoricon_object
*obj
;
1738 TRACE("%p\n", hCursor
);
1740 SERVER_START_REQ( set_cursor
)
1742 req
->flags
= SET_CURSOR_HANDLE
;
1743 req
->handle
= wine_server_user_handle( hCursor
);
1744 if ((ret
= !wine_server_call_err( req
)))
1746 hOldCursor
= wine_server_ptr_handle( reply
->prev_handle
);
1747 show_count
= reply
->prev_count
;
1753 USER_Driver
->pSetCursor( show_count
>= 0 ? hCursor
: 0 );
1755 if (!(obj
= get_icon_ptr( hOldCursor
))) return 0;
1756 release_user_handle_ptr( obj
);
1760 /***********************************************************************
1761 * ShowCursor (USER32.@)
1763 INT WINAPI DECLSPEC_HOTPATCH
ShowCursor( BOOL bShow
)
1766 int increment
= bShow
? 1 : -1;
1769 SERVER_START_REQ( set_cursor
)
1771 req
->flags
= SET_CURSOR_COUNT
;
1772 req
->show_count
= increment
;
1773 wine_server_call( req
);
1774 cursor
= wine_server_ptr_handle( reply
->prev_handle
);
1775 count
= reply
->prev_count
+ increment
;
1779 TRACE("%d, count=%d\n", bShow
, count
);
1781 if (bShow
&& !count
) USER_Driver
->pSetCursor( cursor
);
1782 else if (!bShow
&& count
== -1) USER_Driver
->pSetCursor( 0 );
1787 /***********************************************************************
1788 * GetCursor (USER32.@)
1790 HCURSOR WINAPI
GetCursor(void)
1794 SERVER_START_REQ( set_cursor
)
1797 wine_server_call( req
);
1798 ret
= wine_server_ptr_handle( reply
->prev_handle
);
1805 /***********************************************************************
1806 * ClipCursor (USER32.@)
1808 BOOL WINAPI DECLSPEC_HOTPATCH
ClipCursor( const RECT
*rect
)
1814 TRACE( "Clipping to %s\n", wine_dbgstr_rect(rect
) );
1818 if (rect
->left
> rect
->right
|| rect
->top
> rect
->bottom
) return FALSE
;
1819 if ((dpi
= get_thread_dpi()))
1821 new_rect
= map_dpi_rect( *rect
, dpi
,
1822 get_monitor_dpi( MonitorFromRect( rect
, MONITOR_DEFAULTTOPRIMARY
)));
1827 SERVER_START_REQ( set_cursor
)
1829 req
->clip_msg
= WM_WINE_CLIPCURSOR
;
1832 req
->flags
= SET_CURSOR_CLIP
;
1833 req
->clip
.left
= rect
->left
;
1834 req
->clip
.top
= rect
->top
;
1835 req
->clip
.right
= rect
->right
;
1836 req
->clip
.bottom
= rect
->bottom
;
1838 else req
->flags
= SET_CURSOR_NOCLIP
;
1840 if ((ret
= !wine_server_call( req
)))
1842 new_rect
.left
= reply
->new_clip
.left
;
1843 new_rect
.top
= reply
->new_clip
.top
;
1844 new_rect
.right
= reply
->new_clip
.right
;
1845 new_rect
.bottom
= reply
->new_clip
.bottom
;
1849 if (ret
) USER_Driver
->pClipCursor( &new_rect
);
1854 /***********************************************************************
1855 * GetClipCursor (USER32.@)
1857 BOOL WINAPI DECLSPEC_HOTPATCH
GetClipCursor( RECT
*rect
)
1859 DPI_AWARENESS_CONTEXT context
;
1863 if (!rect
) return FALSE
;
1865 SERVER_START_REQ( set_cursor
)
1868 if ((ret
= !wine_server_call( req
)))
1870 rect
->left
= reply
->new_clip
.left
;
1871 rect
->top
= reply
->new_clip
.top
;
1872 rect
->right
= reply
->new_clip
.right
;
1873 rect
->bottom
= reply
->new_clip
.bottom
;
1878 if (ret
&& (dpi
= get_thread_dpi()))
1880 context
= SetThreadDpiAwarenessContext( DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE
);
1881 *rect
= map_dpi_rect( *rect
, get_monitor_dpi( MonitorFromRect( rect
, MONITOR_DEFAULTTOPRIMARY
)), dpi
);
1882 SetThreadDpiAwarenessContext( context
);
1888 /***********************************************************************
1889 * SetSystemCursor (USER32.@)
1891 BOOL WINAPI
SetSystemCursor(HCURSOR hcur
, DWORD id
)
1893 FIXME("(%p,%08x),stub!\n", hcur
, id
);
1898 /**********************************************************************
1899 * LookupIconIdFromDirectoryEx (USER32.@)
1901 INT WINAPI
LookupIconIdFromDirectoryEx( LPBYTE xdir
, BOOL bIcon
,
1902 INT width
, INT height
, UINT cFlag
)
1904 const CURSORICONDIR
*dir
= (const CURSORICONDIR
*)xdir
;
1906 if( dir
&& !dir
->idReserved
&& (dir
->idType
& 3) )
1908 const CURSORICONDIRENTRY
* entry
;
1909 int depth
= (cFlag
& LR_MONOCHROME
) ? 1 : get_display_bpp();
1912 entry
= CURSORICON_FindBestIconRes( dir
, ~0u, width
, height
, depth
, LR_DEFAULTSIZE
);
1914 entry
= CURSORICON_FindBestCursorRes( dir
, ~0u, width
, height
, depth
, LR_DEFAULTSIZE
);
1916 if( entry
) retVal
= entry
->wResId
;
1918 else WARN_(cursor
)("invalid resource directory\n");
1922 /**********************************************************************
1923 * LookupIconIdFromDirectory (USER32.@)
1925 INT WINAPI
LookupIconIdFromDirectory( LPBYTE dir
, BOOL bIcon
)
1927 return LookupIconIdFromDirectoryEx( dir
, bIcon
, 0, 0, bIcon
? 0 : LR_MONOCHROME
);
1930 /***********************************************************************
1931 * LoadCursorW (USER32.@)
1933 HCURSOR WINAPI
LoadCursorW(HINSTANCE hInstance
, LPCWSTR name
)
1935 TRACE("%p, %s\n", hInstance
, debugstr_w(name
));
1937 return LoadImageW( hInstance
, name
, IMAGE_CURSOR
, 0, 0,
1938 LR_SHARED
| LR_DEFAULTSIZE
);
1941 /***********************************************************************
1942 * LoadCursorA (USER32.@)
1944 HCURSOR WINAPI
LoadCursorA(HINSTANCE hInstance
, LPCSTR name
)
1946 TRACE("%p, %s\n", hInstance
, debugstr_a(name
));
1948 return LoadImageA( hInstance
, name
, IMAGE_CURSOR
, 0, 0,
1949 LR_SHARED
| LR_DEFAULTSIZE
);
1952 /***********************************************************************
1953 * LoadCursorFromFileW (USER32.@)
1955 HCURSOR WINAPI
LoadCursorFromFileW (LPCWSTR name
)
1957 TRACE("%s\n", debugstr_w(name
));
1959 return LoadImageW( 0, name
, IMAGE_CURSOR
, 0, 0,
1960 LR_LOADFROMFILE
| LR_DEFAULTSIZE
);
1963 /***********************************************************************
1964 * LoadCursorFromFileA (USER32.@)
1966 HCURSOR WINAPI
LoadCursorFromFileA (LPCSTR name
)
1968 TRACE("%s\n", debugstr_a(name
));
1970 return LoadImageA( 0, name
, IMAGE_CURSOR
, 0, 0,
1971 LR_LOADFROMFILE
| LR_DEFAULTSIZE
);
1974 /***********************************************************************
1975 * LoadIconW (USER32.@)
1977 HICON WINAPI
LoadIconW(HINSTANCE hInstance
, LPCWSTR name
)
1979 TRACE("%p, %s\n", hInstance
, debugstr_w(name
));
1981 return LoadImageW( hInstance
, name
, IMAGE_ICON
, 0, 0,
1982 LR_SHARED
| LR_DEFAULTSIZE
);
1985 /***********************************************************************
1986 * LoadIconA (USER32.@)
1988 HICON WINAPI
LoadIconA(HINSTANCE hInstance
, LPCSTR name
)
1990 TRACE("%p, %s\n", hInstance
, debugstr_a(name
));
1992 return LoadImageA( hInstance
, name
, IMAGE_ICON
, 0, 0,
1993 LR_SHARED
| LR_DEFAULTSIZE
);
1996 /**********************************************************************
1997 * GetCursorFrameInfo (USER32.@)
2000 * So far no use has been found for the second parameter, it is currently presumed
2001 * that this parameter is reserved for future use.
2004 * hCursor [I] Handle to cursor for which to retrieve information
2005 * reserved [I] No purpose has been found for this parameter (may be NULL)
2006 * istep [I] The step of the cursor for which to retrieve information
2007 * rate_jiffies [O] Pointer to DWORD that receives the frame-specific delay (cannot be NULL)
2008 * num_steps [O] Pointer to DWORD that receives the number of steps in the cursor (cannot be NULL)
2011 * Success: Handle to a frame of the cursor (specified by istep)
2012 * Failure: NULL cursor (0)
2014 HCURSOR WINAPI
GetCursorFrameInfo(HCURSOR hCursor
, DWORD reserved
, DWORD istep
, DWORD
*rate_jiffies
, DWORD
*num_steps
)
2016 struct cursoricon_object
*ptr
;
2020 if (rate_jiffies
== NULL
|| num_steps
== NULL
) return 0;
2022 if (!(ptr
= get_icon_ptr( hCursor
))) return 0;
2024 TRACE("%p => %d %d %p %p\n", hCursor
, reserved
, istep
, rate_jiffies
, num_steps
);
2026 FIXME("Second parameter non-zero (%d), please report this!\n", reserved
);
2028 icon_steps
= get_icon_steps(ptr
);
2029 if (istep
< icon_steps
|| !ptr
->is_ani
)
2031 struct animated_cursoricon_object
*ani_icon_data
= (struct animated_cursoricon_object
*) ptr
;
2032 UINT icon_frames
= 1;
2035 icon_frames
= ani_icon_data
->num_frames
;
2036 if (ptr
->is_ani
&& icon_frames
> 1)
2037 ret
= ani_icon_data
->frames
[istep
];
2040 if (icon_frames
== 1)
2045 else if (icon_steps
== 1)
2048 *rate_jiffies
= ptr
->delay
;
2050 else if (istep
< icon_steps
)
2052 struct cursoricon_frame
*frame
;
2054 *num_steps
= icon_steps
;
2055 frame
= get_icon_frame( ptr
, istep
);
2056 if (get_icon_steps(ptr
) == 1)
2059 *num_steps
= get_icon_steps(ptr
);
2060 /* If this specific frame does not have a delay then use the global delay */
2061 if (frame
->delay
== ~0)
2062 *rate_jiffies
= ptr
->delay
;
2064 *rate_jiffies
= frame
->delay
;
2065 release_icon_frame( ptr
, frame
);
2069 release_user_handle_ptr( ptr
);
2074 /**********************************************************************
2075 * GetIconInfo (USER32.@)
2077 BOOL WINAPI
GetIconInfo(HICON hIcon
, PICONINFO iconinfo
)
2081 infoW
.cbSize
= sizeof(infoW
);
2082 if (!GetIconInfoExW( hIcon
, &infoW
)) return FALSE
;
2083 iconinfo
->fIcon
= infoW
.fIcon
;
2084 iconinfo
->xHotspot
= infoW
.xHotspot
;
2085 iconinfo
->yHotspot
= infoW
.yHotspot
;
2086 iconinfo
->hbmColor
= infoW
.hbmColor
;
2087 iconinfo
->hbmMask
= infoW
.hbmMask
;
2091 /**********************************************************************
2092 * GetIconInfoExA (USER32.@)
2094 BOOL WINAPI
GetIconInfoExA( HICON icon
, ICONINFOEXA
*info
)
2098 if (info
->cbSize
!= sizeof(*info
))
2100 SetLastError( ERROR_INVALID_PARAMETER
);
2103 infoW
.cbSize
= sizeof(infoW
);
2104 if (!GetIconInfoExW( icon
, &infoW
)) return FALSE
;
2105 info
->fIcon
= infoW
.fIcon
;
2106 info
->xHotspot
= infoW
.xHotspot
;
2107 info
->yHotspot
= infoW
.yHotspot
;
2108 info
->hbmColor
= infoW
.hbmColor
;
2109 info
->hbmMask
= infoW
.hbmMask
;
2110 info
->wResID
= infoW
.wResID
;
2111 WideCharToMultiByte( CP_ACP
, 0, infoW
.szModName
, -1, info
->szModName
, MAX_PATH
, NULL
, NULL
);
2112 WideCharToMultiByte( CP_ACP
, 0, infoW
.szResName
, -1, info
->szResName
, MAX_PATH
, NULL
, NULL
);
2116 /**********************************************************************
2117 * GetIconInfoExW (USER32.@)
2119 BOOL WINAPI
GetIconInfoExW( HICON icon
, ICONINFOEXW
*info
)
2121 struct cursoricon_frame
*frame
;
2122 struct cursoricon_object
*ptr
;
2126 if (info
->cbSize
!= sizeof(*info
))
2128 SetLastError( ERROR_INVALID_PARAMETER
);
2131 if (!(ptr
= get_icon_ptr( icon
)))
2133 SetLastError( ERROR_INVALID_CURSOR_HANDLE
);
2137 frame
= get_icon_frame( ptr
, 0 );
2140 release_user_handle_ptr( ptr
);
2141 SetLastError( ERROR_INVALID_CURSOR_HANDLE
);
2145 TRACE("%p => %dx%d\n", icon
, frame
->width
, frame
->height
);
2147 info
->fIcon
= ptr
->is_icon
;
2148 info
->xHotspot
= ptr
->hotspot
.x
;
2149 info
->yHotspot
= ptr
->hotspot
.y
;
2150 info
->hbmColor
= copy_bitmap( frame
->color
);
2151 info
->hbmMask
= copy_bitmap( frame
->mask
);
2153 info
->szModName
[0] = 0;
2154 info
->szResName
[0] = 0;
2157 if (IS_INTRESOURCE( ptr
->resname
)) info
->wResID
= LOWORD( ptr
->resname
);
2158 else lstrcpynW( info
->szResName
, ptr
->resname
, MAX_PATH
);
2160 if (!info
->hbmMask
|| (!info
->hbmColor
&& frame
->color
))
2162 DeleteObject( info
->hbmMask
);
2163 DeleteObject( info
->hbmColor
);
2166 module
= ptr
->module
;
2167 release_icon_frame( ptr
, frame
);
2168 release_user_handle_ptr( ptr
);
2169 if (ret
&& module
) GetModuleFileNameW( module
, info
->szModName
, MAX_PATH
);
2173 /* copy an icon bitmap, even when it can't be selected into a DC */
2174 /* helper for CreateIconIndirect */
2175 static void stretch_blt_icon( HDC hdc_dst
, int dst_x
, int dst_y
, int dst_width
, int dst_height
,
2176 HBITMAP src
, int width
, int height
)
2178 HDC hdc
= CreateCompatibleDC( 0 );
2180 if (!SelectObject( hdc
, src
)) /* do it the hard way */
2185 if (!(info
= HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO
, bmiColors
[256] )))) return;
2186 info
->bmiHeader
.biSize
= sizeof(BITMAPINFOHEADER
);
2187 info
->bmiHeader
.biWidth
= width
;
2188 info
->bmiHeader
.biHeight
= height
;
2189 info
->bmiHeader
.biPlanes
= GetDeviceCaps( hdc_dst
, PLANES
);
2190 info
->bmiHeader
.biBitCount
= GetDeviceCaps( hdc_dst
, BITSPIXEL
);
2191 info
->bmiHeader
.biCompression
= BI_RGB
;
2192 info
->bmiHeader
.biSizeImage
= get_dib_image_size( width
, height
, info
->bmiHeader
.biBitCount
);
2193 info
->bmiHeader
.biXPelsPerMeter
= 0;
2194 info
->bmiHeader
.biYPelsPerMeter
= 0;
2195 info
->bmiHeader
.biClrUsed
= 0;
2196 info
->bmiHeader
.biClrImportant
= 0;
2197 bits
= HeapAlloc( GetProcessHeap(), 0, info
->bmiHeader
.biSizeImage
);
2198 if (bits
&& GetDIBits( hdc
, src
, 0, height
, bits
, info
, DIB_RGB_COLORS
))
2199 StretchDIBits( hdc_dst
, dst_x
, dst_y
, dst_width
, dst_height
,
2200 0, 0, width
, height
, bits
, info
, DIB_RGB_COLORS
, SRCCOPY
);
2202 HeapFree( GetProcessHeap(), 0, bits
);
2203 HeapFree( GetProcessHeap(), 0, info
);
2205 else StretchBlt( hdc_dst
, dst_x
, dst_y
, dst_width
, dst_height
, hdc
, 0, 0, width
, height
, SRCCOPY
);
2210 /**********************************************************************
2211 * CreateIconIndirect (USER32.@)
2213 HICON WINAPI
CreateIconIndirect(PICONINFO iconinfo
)
2215 BITMAP bmpXor
, bmpAnd
;
2217 HBITMAP color
= 0, mask
;
2221 TRACE("color %p, mask %p, hotspot %ux%u, fIcon %d\n",
2222 iconinfo
->hbmColor
, iconinfo
->hbmMask
,
2223 iconinfo
->xHotspot
, iconinfo
->yHotspot
, iconinfo
->fIcon
);
2225 if (!iconinfo
->hbmMask
) return 0;
2227 GetObjectW( iconinfo
->hbmMask
, sizeof(bmpAnd
), &bmpAnd
);
2228 TRACE("mask: width %d, height %d, width bytes %d, planes %u, bpp %u\n",
2229 bmpAnd
.bmWidth
, bmpAnd
.bmHeight
, bmpAnd
.bmWidthBytes
,
2230 bmpAnd
.bmPlanes
, bmpAnd
.bmBitsPixel
);
2232 if (iconinfo
->hbmColor
)
2234 GetObjectW( iconinfo
->hbmColor
, sizeof(bmpXor
), &bmpXor
);
2235 TRACE("color: width %d, height %d, width bytes %d, planes %u, bpp %u\n",
2236 bmpXor
.bmWidth
, bmpXor
.bmHeight
, bmpXor
.bmWidthBytes
,
2237 bmpXor
.bmPlanes
, bmpXor
.bmBitsPixel
);
2239 width
= bmpXor
.bmWidth
;
2240 height
= bmpXor
.bmHeight
;
2241 color
= create_color_bitmap( width
, height
);
2245 width
= bmpAnd
.bmWidth
;
2246 height
= bmpAnd
.bmHeight
;
2248 mask
= CreateBitmap( width
, height
, 1, 1, NULL
);
2250 hdc
= CreateCompatibleDC( 0 );
2251 SelectObject( hdc
, mask
);
2252 stretch_blt_icon( hdc
, 0, 0, width
, height
, iconinfo
->hbmMask
, bmpAnd
.bmWidth
, bmpAnd
.bmHeight
);
2256 SelectObject( hdc
, color
);
2257 stretch_blt_icon( hdc
, 0, 0, width
, height
, iconinfo
->hbmColor
, width
, height
);
2263 hObj
= alloc_icon_handle( FALSE
, 0 );
2266 struct cursoricon_object
*info
= get_icon_ptr( hObj
);
2267 struct cursoricon_frame
*frame
;
2269 info
->is_icon
= iconinfo
->fIcon
;
2270 frame
= get_icon_frame( info
, 0 );
2272 frame
->width
= width
;
2273 frame
->height
= height
;
2274 frame
->color
= color
;
2276 frame
->alpha
= create_alpha_bitmap( iconinfo
->hbmColor
, NULL
, NULL
);
2277 release_icon_frame( info
, frame
);
2280 info
->hotspot
.x
= width
/ 2;
2281 info
->hotspot
.y
= height
/ 2;
2285 info
->hotspot
.x
= iconinfo
->xHotspot
;
2286 info
->hotspot
.y
= iconinfo
->yHotspot
;
2289 release_user_handle_ptr( info
);
2294 /******************************************************************************
2295 * DrawIconEx (USER32.@) Draws an icon or cursor on device context
2298 * Why is this using SM_CXICON instead of SM_CXCURSOR?
2301 * hdc [I] Handle to device context
2302 * x0 [I] X coordinate of upper left corner
2303 * y0 [I] Y coordinate of upper left corner
2304 * hIcon [I] Handle to icon to draw
2305 * cxWidth [I] Width of icon
2306 * cyWidth [I] Height of icon
2307 * istep [I] Index of frame in animated cursor
2308 * hbr [I] Handle to background brush
2309 * flags [I] Icon-drawing flags
2315 BOOL WINAPI
DrawIconEx( HDC hdc
, INT x0
, INT y0
, HICON hIcon
,
2316 INT cxWidth
, INT cyWidth
, UINT istep
,
2317 HBRUSH hbr
, UINT flags
)
2319 struct cursoricon_frame
*frame
;
2320 struct cursoricon_object
*ptr
;
2321 HDC hdc_dest
, hMemDC
;
2322 BOOL result
= FALSE
, DoOffscreen
;
2324 COLORREF oldFg
, oldBg
;
2325 INT x
, y
, nStretchMode
;
2327 TRACE_(icon
)("(hdc=%p,pos=%d.%d,hicon=%p,extend=%d.%d,istep=%d,br=%p,flags=0x%08x)\n",
2328 hdc
,x0
,y0
,hIcon
,cxWidth
,cyWidth
,istep
,hbr
,flags
);
2330 if (!(ptr
= get_icon_ptr( hIcon
))) return FALSE
;
2331 if (istep
>= get_icon_steps( ptr
))
2333 TRACE_(icon
)("Stepped past end of animated frames=%d\n", istep
);
2334 release_user_handle_ptr( ptr
);
2337 if (!(frame
= get_icon_frame( ptr
, istep
)))
2339 FIXME_(icon
)("Error retrieving icon frame %d\n", istep
);
2340 release_user_handle_ptr( ptr
);
2343 if (!(hMemDC
= CreateCompatibleDC( hdc
)))
2345 release_icon_frame( ptr
, frame
);
2346 release_user_handle_ptr( ptr
);
2350 if (flags
& DI_NOMIRROR
)
2351 FIXME_(icon
)("Ignoring flag DI_NOMIRROR\n");
2353 /* Calculate the size of the destination image. */
2356 if (flags
& DI_DEFAULTSIZE
)
2357 cxWidth
= GetSystemMetrics (SM_CXICON
);
2359 cxWidth
= frame
->width
;
2363 if (flags
& DI_DEFAULTSIZE
)
2364 cyWidth
= GetSystemMetrics (SM_CYICON
);
2366 cyWidth
= frame
->height
;
2369 DoOffscreen
= (GetObjectType( hbr
) == OBJ_BRUSH
);
2374 SetRect(&r
, 0, 0, cxWidth
, cxWidth
);
2376 if (!(hdc_dest
= CreateCompatibleDC(hdc
))) goto failed
;
2377 if (!(hB_off
= CreateCompatibleBitmap(hdc
, cxWidth
, cyWidth
)))
2379 DeleteDC( hdc_dest
);
2382 SelectObject(hdc_dest
, hB_off
);
2383 FillRect(hdc_dest
, &r
, hbr
);
2393 nStretchMode
= SetStretchBltMode (hdc
, STRETCH_DELETESCANS
);
2395 oldFg
= SetTextColor( hdc
, RGB(0,0,0) );
2396 oldBg
= SetBkColor( hdc
, RGB(255,255,255) );
2398 if (frame
->alpha
&& (flags
& DI_IMAGE
))
2400 BOOL alpha_blend
= TRUE
;
2402 if (GetObjectType( hdc_dest
) == OBJ_MEMDC
)
2405 HBITMAP bmp
= GetCurrentObject( hdc_dest
, OBJ_BITMAP
);
2406 alpha_blend
= GetObjectW( bmp
, sizeof(bm
), &bm
) && bm
.bmBitsPixel
> 8;
2410 BLENDFUNCTION pixelblend
= { AC_SRC_OVER
, 0, 255, AC_SRC_ALPHA
};
2411 SelectObject( hMemDC
, frame
->alpha
);
2412 if (GdiAlphaBlend( hdc_dest
, x
, y
, cxWidth
, cyWidth
, hMemDC
,
2413 0, 0, frame
->width
, frame
->height
,
2414 pixelblend
)) goto done
;
2418 if (flags
& DI_MASK
)
2420 DWORD rop
= (flags
& DI_IMAGE
) ? SRCAND
: SRCCOPY
;
2421 SelectObject( hMemDC
, frame
->mask
);
2422 StretchBlt( hdc_dest
, x
, y
, cxWidth
, cyWidth
,
2423 hMemDC
, 0, 0, frame
->width
, frame
->height
, rop
);
2426 if (flags
& DI_IMAGE
)
2430 DWORD rop
= (flags
& DI_MASK
) ? SRCINVERT
: SRCCOPY
;
2431 SelectObject( hMemDC
, frame
->color
);
2432 StretchBlt( hdc_dest
, x
, y
, cxWidth
, cyWidth
,
2433 hMemDC
, 0, 0, frame
->width
, frame
->height
, rop
);
2437 DWORD rop
= (flags
& DI_MASK
) ? SRCINVERT
: SRCCOPY
;
2438 SelectObject( hMemDC
, frame
->mask
);
2439 StretchBlt( hdc_dest
, x
, y
, cxWidth
, cyWidth
,
2440 hMemDC
, 0, frame
->height
, frame
->width
,
2441 frame
->height
, rop
);
2446 if (DoOffscreen
) BitBlt( hdc
, x0
, y0
, cxWidth
, cyWidth
, hdc_dest
, 0, 0, SRCCOPY
);
2448 SetTextColor( hdc
, oldFg
);
2449 SetBkColor( hdc
, oldBg
);
2450 SetStretchBltMode (hdc
, nStretchMode
);
2452 if (hdc_dest
!= hdc
) DeleteDC( hdc_dest
);
2453 if (hB_off
) DeleteObject(hB_off
);
2456 release_icon_frame( ptr
, frame
);
2457 release_user_handle_ptr( ptr
);
2461 /***********************************************************************
2462 * DIB_FixColorsToLoadflags
2464 * Change color table entries when LR_LOADTRANSPARENT or LR_LOADMAP3DCOLORS
2467 static void DIB_FixColorsToLoadflags(BITMAPINFO
* bmi
, UINT loadflags
, BYTE pix
)
2470 COLORREF c_W
, c_S
, c_F
, c_L
, c_C
;
2479 if (((bitmap_type
= DIB_GetBitmapInfo((BITMAPINFOHEADER
*) bmi
, &width
, &height
, &bpp
, &compr
)) == -1))
2481 WARN_(resource
)("Invalid bitmap\n");
2485 if (bpp
> 8) return;
2487 if (bitmap_type
== 0) /* BITMAPCOREHEADER */
2495 colors
= bmi
->bmiHeader
.biClrUsed
;
2496 if (colors
> 256) colors
= 256;
2497 if (!colors
&& (bpp
<= 8)) colors
= 1 << bpp
;
2500 c_W
= GetSysColor(COLOR_WINDOW
);
2501 c_S
= GetSysColor(COLOR_3DSHADOW
);
2502 c_F
= GetSysColor(COLOR_3DFACE
);
2503 c_L
= GetSysColor(COLOR_3DLIGHT
);
2505 if (loadflags
& LR_LOADTRANSPARENT
) {
2507 case 1: pix
= pix
>> 7; break;
2508 case 4: pix
= pix
>> 4; break;
2511 WARN_(resource
)("(%d): Unsupported depth\n", bpp
);
2514 if (pix
>= colors
) {
2515 WARN_(resource
)("pixel has color index greater than biClrUsed!\n");
2518 if (loadflags
& LR_LOADMAP3DCOLORS
) c_W
= c_F
;
2519 ptr
= (RGBQUAD
*)((char*)bmi
->bmiColors
+pix
*incr
);
2520 ptr
->rgbBlue
= GetBValue(c_W
);
2521 ptr
->rgbGreen
= GetGValue(c_W
);
2522 ptr
->rgbRed
= GetRValue(c_W
);
2524 if (loadflags
& LR_LOADMAP3DCOLORS
)
2525 for (i
=0; i
<colors
; i
++) {
2526 ptr
= (RGBQUAD
*)((char*)bmi
->bmiColors
+i
*incr
);
2527 c_C
= RGB(ptr
->rgbRed
, ptr
->rgbGreen
, ptr
->rgbBlue
);
2528 if (c_C
== RGB(128, 128, 128)) {
2529 ptr
->rgbRed
= GetRValue(c_S
);
2530 ptr
->rgbGreen
= GetGValue(c_S
);
2531 ptr
->rgbBlue
= GetBValue(c_S
);
2532 } else if (c_C
== RGB(192, 192, 192)) {
2533 ptr
->rgbRed
= GetRValue(c_F
);
2534 ptr
->rgbGreen
= GetGValue(c_F
);
2535 ptr
->rgbBlue
= GetBValue(c_F
);
2536 } else if (c_C
== RGB(223, 223, 223)) {
2537 ptr
->rgbRed
= GetRValue(c_L
);
2538 ptr
->rgbGreen
= GetGValue(c_L
);
2539 ptr
->rgbBlue
= GetBValue(c_L
);
2545 /**********************************************************************
2548 static HBITMAP
BITMAP_Load( HINSTANCE instance
, LPCWSTR name
,
2549 INT desiredx
, INT desiredy
, UINT loadflags
)
2551 HBITMAP hbitmap
= 0, orig_bm
;
2554 const char *ptr
= NULL
;
2555 BITMAPINFO
*info
, *fix_info
= NULL
, *scaled_info
= NULL
;
2559 LONG width
, height
, new_width
, new_height
;
2561 DWORD compr_dummy
, offbits
= 0;
2563 HDC screen_mem_dc
= NULL
;
2565 if (!(loadflags
& LR_LOADFROMFILE
))
2569 /* OEM bitmap: try to load the resource from user32.dll */
2570 instance
= user32_module
;
2573 if (!(hRsrc
= FindResourceW( instance
, name
, (LPWSTR
)RT_BITMAP
))) return 0;
2574 if (!(handle
= LoadResource( instance
, hRsrc
))) return 0;
2576 if ((info
= LockResource( handle
)) == NULL
) return 0;
2580 BITMAPFILEHEADER
* bmfh
;
2582 if (!(ptr
= map_fileW( name
, NULL
))) return 0;
2583 info
= (BITMAPINFO
*)(ptr
+ sizeof(BITMAPFILEHEADER
));
2584 bmfh
= (BITMAPFILEHEADER
*)ptr
;
2585 if (bmfh
->bfType
!= 0x4d42 /* 'BM' */)
2587 WARN("Invalid/unsupported bitmap format!\n");
2590 if (bmfh
->bfOffBits
) offbits
= bmfh
->bfOffBits
- sizeof(BITMAPFILEHEADER
);
2593 bm_type
= DIB_GetBitmapInfo( &info
->bmiHeader
, &width
, &height
,
2594 &bpp_dummy
, &compr_dummy
);
2597 WARN("Invalid bitmap format!\n");
2601 size
= bitmap_info_size(info
, DIB_RGB_COLORS
);
2602 fix_info
= HeapAlloc(GetProcessHeap(), 0, size
);
2603 scaled_info
= HeapAlloc(GetProcessHeap(), 0, size
);
2605 if (!fix_info
|| !scaled_info
) goto end
;
2606 memcpy(fix_info
, info
, size
);
2608 pix
= *((LPBYTE
)info
+ size
);
2609 DIB_FixColorsToLoadflags(fix_info
, loadflags
, pix
);
2611 memcpy(scaled_info
, fix_info
, size
);
2614 new_width
= desiredx
;
2619 new_height
= height
> 0 ? desiredy
: -desiredy
;
2621 new_height
= height
;
2625 BITMAPCOREHEADER
*core
= (BITMAPCOREHEADER
*)&scaled_info
->bmiHeader
;
2626 core
->bcWidth
= new_width
;
2627 core
->bcHeight
= new_height
;
2631 /* Some sanity checks for BITMAPINFO (not applicable to BITMAPCOREINFO) */
2632 if (info
->bmiHeader
.biHeight
> 65535 || info
->bmiHeader
.biWidth
> 65535) {
2633 WARN("Broken BitmapInfoHeader!\n");
2637 scaled_info
->bmiHeader
.biWidth
= new_width
;
2638 scaled_info
->bmiHeader
.biHeight
= new_height
;
2641 if (new_height
< 0) new_height
= -new_height
;
2643 if (!(screen_mem_dc
= CreateCompatibleDC( 0 ))) goto end
;
2645 bits
= (char *)info
+ (offbits
? offbits
: size
);
2647 if (loadflags
& LR_CREATEDIBSECTION
)
2649 scaled_info
->bmiHeader
.biCompression
= 0; /* DIBSection can't be compressed */
2650 hbitmap
= CreateDIBSection(0, scaled_info
, DIB_RGB_COLORS
, NULL
, 0, 0);
2654 if (is_dib_monochrome(fix_info
))
2655 hbitmap
= CreateBitmap(new_width
, new_height
, 1, 1, NULL
);
2657 hbitmap
= create_color_bitmap(new_width
, new_height
);
2660 orig_bm
= SelectObject(screen_mem_dc
, hbitmap
);
2661 if (info
->bmiHeader
.biBitCount
> 1)
2662 SetStretchBltMode(screen_mem_dc
, HALFTONE
);
2663 StretchDIBits(screen_mem_dc
, 0, 0, new_width
, new_height
, 0, 0, width
, height
, bits
, fix_info
, DIB_RGB_COLORS
, SRCCOPY
);
2664 SelectObject(screen_mem_dc
, orig_bm
);
2667 if (screen_mem_dc
) DeleteDC(screen_mem_dc
);
2668 HeapFree(GetProcessHeap(), 0, scaled_info
);
2669 HeapFree(GetProcessHeap(), 0, fix_info
);
2670 if (loadflags
& LR_LOADFROMFILE
) UnmapViewOfFile( ptr
);
2675 /**********************************************************************
2676 * LoadImageA (USER32.@)
2680 HANDLE WINAPI
LoadImageA( HINSTANCE hinst
, LPCSTR name
, UINT type
,
2681 INT desiredx
, INT desiredy
, UINT loadflags
)
2686 if (IS_INTRESOURCE(name
))
2687 return LoadImageW(hinst
, (LPCWSTR
)name
, type
, desiredx
, desiredy
, loadflags
);
2690 DWORD len
= MultiByteToWideChar( CP_ACP
, 0, name
, -1, NULL
, 0 );
2691 u_name
= HeapAlloc( GetProcessHeap(), 0, len
* sizeof(WCHAR
) );
2692 MultiByteToWideChar( CP_ACP
, 0, name
, -1, u_name
, len
);
2694 __EXCEPT_PAGE_FAULT
{
2695 SetLastError( ERROR_INVALID_PARAMETER
);
2699 res
= LoadImageW(hinst
, u_name
, type
, desiredx
, desiredy
, loadflags
);
2700 HeapFree(GetProcessHeap(), 0, u_name
);
2705 /******************************************************************************
2706 * LoadImageW (USER32.@) Loads an icon, cursor, or bitmap
2709 * hinst [I] Handle of instance that contains image
2710 * name [I] Name of image
2711 * type [I] Type of image
2712 * desiredx [I] Desired width
2713 * desiredy [I] Desired height
2714 * loadflags [I] Load flags
2717 * Success: Handle to newly loaded image
2720 * FIXME: Implementation lacks some features, see LR_ defines in winuser.h
2722 HANDLE WINAPI
LoadImageW( HINSTANCE hinst
, LPCWSTR name
, UINT type
,
2723 INT desiredx
, INT desiredy
, UINT loadflags
)
2726 WCHAR path
[MAX_PATH
];
2728 TRACE_(resource
)("(%p,%s,%d,%d,%d,0x%08x)\n",
2729 hinst
,debugstr_w(name
),type
,desiredx
,desiredy
,loadflags
);
2731 if (loadflags
& LR_LOADFROMFILE
)
2733 loadflags
&= ~LR_SHARED
;
2734 /* relative paths are not only relative to the current working directory */
2735 if (SearchPathW(NULL
, name
, NULL
, ARRAY_SIZE(path
), path
, NULL
)) name
= path
;
2739 return BITMAP_Load( hinst
, name
, desiredx
, desiredy
, loadflags
);
2744 if (!(loadflags
& LR_MONOCHROME
)) depth
= get_display_bpp();
2745 return CURSORICON_Load(hinst
, name
, desiredx
, desiredy
, depth
, (type
== IMAGE_CURSOR
), loadflags
);
2751 /* StretchBlt from src to dest; helper for CopyImage(). */
2752 static void stretch_bitmap( HBITMAP dst
, HBITMAP src
, int dst_width
, int dst_height
, int src_width
, int src_height
)
2754 HDC src_dc
= CreateCompatibleDC( 0 ), dst_dc
= CreateCompatibleDC( 0 );
2756 SelectObject( src_dc
, src
);
2757 SelectObject( dst_dc
, dst
);
2758 StretchBlt( dst_dc
, 0, 0, dst_width
, dst_height
, src_dc
, 0, 0, src_width
, src_height
, SRCCOPY
);
2765 /******************************************************************************
2766 * CopyImage (USER32.@) Creates new image and copies attributes to it
2769 * hnd [I] Handle to image to copy
2770 * type [I] Type of image to copy
2771 * desiredx [I] Desired width of new image
2772 * desiredy [I] Desired height of new image
2773 * flags [I] Copy flags
2776 * Success: Handle to newly created image
2780 * Only Windows NT 4.0 supports the LR_COPYRETURNORG flag for bitmaps,
2781 * all other versions (95/2000/XP have been tested) ignore it.
2784 * If LR_CREATEDIBSECTION is absent, the copy will be monochrome for
2785 * a monochrome source bitmap or if LR_MONOCHROME is present, otherwise
2786 * the copy will have the same depth as the screen.
2787 * The content of the image will only be copied if the bit depth of the
2788 * original image is compatible with the bit depth of the screen, or
2789 * if the source is a DIB section.
2790 * The LR_MONOCHROME flag is ignored if LR_CREATEDIBSECTION is present.
2792 HANDLE WINAPI
CopyImage( HANDLE hnd
, UINT type
, INT desiredx
,
2793 INT desiredy
, UINT flags
)
2795 TRACE("hnd=%p, type=%u, desiredx=%d, desiredy=%d, flags=%x\n",
2796 hnd
, type
, desiredx
, desiredy
, flags
);
2807 objSize
= GetObjectW( hnd
, sizeof(ds
), &ds
);
2808 if (!objSize
) return 0;
2809 if ((desiredx
< 0) || (desiredy
< 0)) return 0;
2811 if (flags
& LR_COPYFROMRESOURCE
)
2813 FIXME("The flag LR_COPYFROMRESOURCE is not implemented for bitmaps\n");
2816 if (desiredx
== 0) desiredx
= ds
.dsBm
.bmWidth
;
2817 if (desiredy
== 0) desiredy
= ds
.dsBm
.bmHeight
;
2819 /* Allocate memory for a BITMAPINFOHEADER structure and a
2820 color table. The maximum number of colors in a color table
2821 is 256 which corresponds to a bitmap with depth 8.
2822 Bitmaps with higher depths don't have color tables. */
2823 bi
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(BITMAPINFOHEADER
) + 256 * sizeof(RGBQUAD
));
2826 bi
->bmiHeader
.biSize
= sizeof(bi
->bmiHeader
);
2827 bi
->bmiHeader
.biPlanes
= ds
.dsBm
.bmPlanes
;
2828 bi
->bmiHeader
.biBitCount
= ds
.dsBm
.bmBitsPixel
;
2829 bi
->bmiHeader
.biCompression
= BI_RGB
;
2831 if (flags
& LR_CREATEDIBSECTION
)
2833 /* Create a DIB section. LR_MONOCHROME is ignored */
2835 HDC dc
= CreateCompatibleDC(NULL
);
2837 if (objSize
== sizeof(DIBSECTION
))
2839 /* The source bitmap is a DIB.
2840 Get its attributes to create an exact copy */
2841 memcpy(bi
, &ds
.dsBmih
, sizeof(BITMAPINFOHEADER
));
2844 bi
->bmiHeader
.biWidth
= desiredx
;
2845 bi
->bmiHeader
.biHeight
= desiredy
;
2847 /* Get the color table or the color masks */
2848 GetDIBits(dc
, hnd
, 0, ds
.dsBm
.bmHeight
, NULL
, bi
, DIB_RGB_COLORS
);
2850 res
= CreateDIBSection(dc
, bi
, DIB_RGB_COLORS
, &bits
, NULL
, 0);
2855 /* Create a device-dependent bitmap */
2857 BOOL monochrome
= (flags
& LR_MONOCHROME
);
2859 if (objSize
== sizeof(DIBSECTION
))
2861 /* The source bitmap is a DIB section.
2862 Get its attributes */
2863 HDC dc
= CreateCompatibleDC(NULL
);
2864 bi
->bmiHeader
.biWidth
= ds
.dsBm
.bmWidth
;
2865 bi
->bmiHeader
.biHeight
= ds
.dsBm
.bmHeight
;
2866 GetDIBits(dc
, hnd
, 0, ds
.dsBm
.bmHeight
, NULL
, bi
, DIB_RGB_COLORS
);
2869 if (!monochrome
&& ds
.dsBm
.bmBitsPixel
== 1)
2871 /* Look if the colors of the DIB are black and white */
2874 (bi
->bmiColors
[0].rgbRed
== 0xff
2875 && bi
->bmiColors
[0].rgbGreen
== 0xff
2876 && bi
->bmiColors
[0].rgbBlue
== 0xff
2877 && bi
->bmiColors
[0].rgbReserved
== 0
2878 && bi
->bmiColors
[1].rgbRed
== 0
2879 && bi
->bmiColors
[1].rgbGreen
== 0
2880 && bi
->bmiColors
[1].rgbBlue
== 0
2881 && bi
->bmiColors
[1].rgbReserved
== 0)
2883 (bi
->bmiColors
[0].rgbRed
== 0
2884 && bi
->bmiColors
[0].rgbGreen
== 0
2885 && bi
->bmiColors
[0].rgbBlue
== 0
2886 && bi
->bmiColors
[0].rgbReserved
== 0
2887 && bi
->bmiColors
[1].rgbRed
== 0xff
2888 && bi
->bmiColors
[1].rgbGreen
== 0xff
2889 && bi
->bmiColors
[1].rgbBlue
== 0xff
2890 && bi
->bmiColors
[1].rgbReserved
== 0);
2893 else if (!monochrome
)
2895 monochrome
= ds
.dsBm
.bmBitsPixel
== 1;
2899 res
= CreateBitmap(desiredx
, desiredy
, 1, 1, NULL
);
2901 res
= create_color_bitmap(desiredx
, desiredy
);
2906 /* Only copy the bitmap if it's a DIB section or if it's
2907 compatible to the screen */
2908 if (objSize
== sizeof(DIBSECTION
) ||
2909 ds
.dsBm
.bmBitsPixel
== 1 ||
2910 ds
.dsBm
.bmBitsPixel
== get_display_bpp())
2912 /* The source bitmap may already be selected in a device context,
2913 use GetDIBits/StretchDIBits and not StretchBlt */
2918 dc
= CreateCompatibleDC(NULL
);
2919 if (ds
.dsBm
.bmBitsPixel
> 1)
2920 SetStretchBltMode(dc
, HALFTONE
);
2922 bi
->bmiHeader
.biWidth
= ds
.dsBm
.bmWidth
;
2923 bi
->bmiHeader
.biHeight
= ds
.dsBm
.bmHeight
;
2924 bi
->bmiHeader
.biSizeImage
= 0;
2925 bi
->bmiHeader
.biClrUsed
= 0;
2926 bi
->bmiHeader
.biClrImportant
= 0;
2928 /* Fill in biSizeImage */
2929 GetDIBits(dc
, hnd
, 0, ds
.dsBm
.bmHeight
, NULL
, bi
, DIB_RGB_COLORS
);
2930 bits
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, bi
->bmiHeader
.biSizeImage
);
2936 /* Get the image bits of the source bitmap */
2937 GetDIBits(dc
, hnd
, 0, ds
.dsBm
.bmHeight
, bits
, bi
, DIB_RGB_COLORS
);
2939 /* Copy it to the destination bitmap */
2940 oldBmp
= SelectObject(dc
, res
);
2941 StretchDIBits(dc
, 0, 0, desiredx
, desiredy
,
2942 0, 0, ds
.dsBm
.bmWidth
, ds
.dsBm
.bmHeight
,
2943 bits
, bi
, DIB_RGB_COLORS
, SRCCOPY
);
2944 SelectObject(dc
, oldBmp
);
2946 HeapFree(GetProcessHeap(), 0, bits
);
2952 if (flags
& LR_COPYDELETEORG
)
2957 HeapFree(GetProcessHeap(), 0, bi
);
2963 struct cursoricon_frame
*frame
;
2964 struct cursoricon_object
*icon
;
2965 int depth
= (flags
& LR_MONOCHROME
) ? 1 : get_display_bpp();
2969 if (!(icon
= get_icon_ptr( hnd
))) return 0;
2971 if (icon
->rsrc
&& (flags
& LR_COPYFROMRESOURCE
))
2973 hnd
= CURSORICON_Load( icon
->module
, icon
->resname
, desiredx
, desiredy
, depth
,
2974 !icon
->is_icon
, flags
);
2975 release_user_handle_ptr( icon
);
2976 if (!(icon
= get_icon_ptr( hnd
))) return 0;
2978 frame
= get_icon_frame( icon
, 0 );
2980 if (flags
& LR_DEFAULTSIZE
)
2982 if (!desiredx
) desiredx
= GetSystemMetrics( type
== IMAGE_ICON
? SM_CXICON
: SM_CXCURSOR
);
2983 if (!desiredy
) desiredy
= GetSystemMetrics( type
== IMAGE_ICON
? SM_CYICON
: SM_CYCURSOR
);
2987 if (!desiredx
) desiredx
= frame
->width
;
2988 if (!desiredy
) desiredy
= frame
->height
;
2991 info
.fIcon
= icon
->is_icon
;
2992 info
.xHotspot
= icon
->hotspot
.x
;
2993 info
.yHotspot
= icon
->hotspot
.y
;
2995 if (desiredx
== frame
->width
&& desiredy
== frame
->height
)
2997 info
.hbmColor
= frame
->color
;
2998 info
.hbmMask
= frame
->mask
;
2999 res
= CreateIconIndirect( &info
);
3005 if (!(info
.hbmColor
= create_color_bitmap( desiredx
, desiredy
)))
3007 release_icon_frame( icon
, frame
);
3008 release_user_handle_ptr( icon
);
3011 stretch_bitmap( info
.hbmColor
, frame
->color
, desiredx
, desiredy
,
3012 frame
->width
, frame
->height
);
3014 if (!(info
.hbmMask
= CreateBitmap( desiredx
, desiredy
, 1, 1, NULL
)))
3016 DeleteObject( info
.hbmColor
);
3017 release_icon_frame( icon
, frame
);
3018 release_user_handle_ptr( icon
);
3021 stretch_bitmap( info
.hbmMask
, frame
->mask
, desiredx
, desiredy
,
3022 frame
->width
, frame
->height
);
3026 info
.hbmColor
= NULL
;
3028 if (!(info
.hbmMask
= CreateBitmap( desiredx
, desiredy
* 2, 1, 1, NULL
)))
3030 release_user_handle_ptr( icon
);
3033 stretch_bitmap( info
.hbmMask
, frame
->mask
, desiredx
, desiredy
* 2,
3034 frame
->width
, frame
->height
* 2 );
3037 res
= CreateIconIndirect( &info
);
3039 DeleteObject( info
.hbmColor
);
3040 DeleteObject( info
.hbmMask
);
3043 release_icon_frame( icon
, frame
);
3044 release_user_handle_ptr( icon
);
3046 if (res
&& (flags
& LR_COPYDELETEORG
)) DeleteObject( hnd
);
3054 /******************************************************************************
3055 * LoadBitmapW (USER32.@) Loads bitmap from the executable file
3058 * Success: Handle to specified bitmap
3061 HBITMAP WINAPI
LoadBitmapW(
3062 HINSTANCE instance
, /* [in] Handle to application instance */
3063 LPCWSTR name
) /* [in] Address of bitmap resource name */
3065 return LoadImageW( instance
, name
, IMAGE_BITMAP
, 0, 0, 0 );
3068 /**********************************************************************
3069 * LoadBitmapA (USER32.@)
3073 HBITMAP WINAPI
LoadBitmapA( HINSTANCE instance
, LPCSTR name
)
3075 return LoadImageA( instance
, name
, IMAGE_BITMAP
, 0, 0, 0 );