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
);
62 } CURSORICONFILEDIRENTRY
;
69 CURSORICONFILEDIRENTRY idEntries
[1];
76 static const WCHAR DISPLAYW
[] = {'D','I','S','P','L','A','Y',0};
78 static struct list icon_cache
= LIST_INIT( icon_cache
);
80 /**********************************************************************
81 * User objects management
84 struct cursoricon_frame
86 UINT width
; /* frame-specific width */
87 UINT height
; /* frame-specific height */
88 UINT delay
; /* frame-specific delay between this frame and the next (in jiffies) */
89 HBITMAP color
; /* color bitmap */
90 HBITMAP alpha
; /* pre-multiplied alpha bitmap for 32-bpp icons */
91 HBITMAP mask
; /* mask bitmap (followed by color for 1-bpp icons) */
94 struct cursoricon_object
96 struct user_object obj
; /* object header */
97 struct list entry
; /* entry in shared icons list */
98 ULONG_PTR param
; /* opaque param used by 16-bit code */
99 HMODULE module
; /* module for icons loaded from resources */
100 LPWSTR resname
; /* resource name for icons loaded from resources */
101 HRSRC rsrc
; /* resource for shared icons */
102 BOOL is_icon
; /* whether icon or cursor */
103 BOOL is_ani
; /* whether this object is a static cursor or an animated cursor */
104 UINT delay
; /* delay between this frame and the next (in jiffies) */
108 struct static_cursoricon_object
110 struct cursoricon_object shared
;
111 struct cursoricon_frame frame
; /* frame-specific icon data */
114 struct animated_cursoricon_object
116 struct cursoricon_object shared
;
117 UINT num_frames
; /* number of frames in the icon/cursor */
118 UINT num_steps
; /* number of sequence steps in the icon/cursor */
119 HICON frames
[1]; /* list of animated cursor frames */
122 static HICON
alloc_icon_handle( BOOL is_ani
, UINT num_steps
)
124 struct cursoricon_object
*obj
;
129 icon_size
= FIELD_OFFSET( struct animated_cursoricon_object
, frames
[num_steps
] );
131 icon_size
= sizeof( struct static_cursoricon_object
);
132 obj
= HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, icon_size
);
133 if (!obj
) return NULL
;
136 obj
->is_ani
= is_ani
;
139 struct animated_cursoricon_object
*ani_icon_data
= (struct animated_cursoricon_object
*) obj
;
141 ani_icon_data
->num_steps
= num_steps
;
142 ani_icon_data
->num_frames
= num_steps
; /* changed later for some animated cursors */
145 if (!(handle
= alloc_user_handle( &obj
->obj
, USER_ICON
)))
146 HeapFree( GetProcessHeap(), 0, obj
);
150 static struct cursoricon_object
*get_icon_ptr( HICON handle
)
152 struct cursoricon_object
*obj
= get_user_handle_ptr( handle
, USER_ICON
);
153 if (obj
== OBJ_OTHER_PROCESS
)
155 WARN( "icon handle %p from other process\n", handle
);
161 static struct cursoricon_frame
*get_icon_frame( struct cursoricon_object
*obj
, int istep
)
163 struct static_cursoricon_object
*req_frame
;
167 struct animated_cursoricon_object
*ani_icon_data
;
168 struct cursoricon_object
*frameobj
;
170 ani_icon_data
= (struct animated_cursoricon_object
*) obj
;
171 if (!(frameobj
= get_icon_ptr( ani_icon_data
->frames
[istep
] )))
173 req_frame
= (struct static_cursoricon_object
*) frameobj
;
176 req_frame
= (struct static_cursoricon_object
*) obj
;
178 return &req_frame
->frame
;
181 static void release_icon_frame( struct cursoricon_object
*obj
, struct cursoricon_frame
*frame
)
185 struct cursoricon_object
*frameobj
;
187 frameobj
= (struct cursoricon_object
*) (((char *)frame
) - FIELD_OFFSET(struct static_cursoricon_object
, frame
));
188 release_user_handle_ptr( frameobj
);
192 static UINT
get_icon_steps( struct cursoricon_object
*obj
)
196 struct animated_cursoricon_object
*ani_icon_data
;
198 ani_icon_data
= (struct animated_cursoricon_object
*) obj
;
199 return ani_icon_data
->num_steps
;
204 static BOOL
free_icon_handle( HICON handle
)
206 struct cursoricon_object
*obj
= free_user_handle( handle
, USER_ICON
);
208 if (obj
== OBJ_OTHER_PROCESS
) WARN( "icon handle %p from other process\n", handle
);
211 ULONG_PTR param
= obj
->param
;
214 assert( !obj
->rsrc
); /* shared icons can't be freed */
218 struct cursoricon_frame
*frame
= get_icon_frame( obj
, 0 );
220 if (frame
->alpha
) DeleteObject( frame
->alpha
);
221 if (frame
->color
) DeleteObject( frame
->color
);
222 DeleteObject( frame
->mask
);
223 release_icon_frame( obj
, frame
);
227 struct animated_cursoricon_object
*ani_icon_data
= (struct animated_cursoricon_object
*) obj
;
229 for (i
=0; i
<ani_icon_data
->num_steps
; i
++)
231 HICON hFrame
= ani_icon_data
->frames
[i
];
237 free_icon_handle( ani_icon_data
->frames
[i
] );
238 for (j
=0; j
<ani_icon_data
->num_steps
; j
++)
240 if (ani_icon_data
->frames
[j
] == hFrame
)
241 ani_icon_data
->frames
[j
] = 0;
246 if (!IS_INTRESOURCE( obj
->resname
)) HeapFree( GetProcessHeap(), 0, obj
->resname
);
247 HeapFree( GetProcessHeap(), 0, obj
);
248 if (wow_handlers
.free_icon_param
&& param
) wow_handlers
.free_icon_param( param
);
249 USER_Driver
->pDestroyCursorIcon( handle
);
255 ULONG_PTR
get_icon_param( HICON handle
)
258 struct cursoricon_object
*obj
= get_user_handle_ptr( handle
, USER_ICON
);
260 if (obj
== OBJ_OTHER_PROCESS
) WARN( "icon handle %p from other process\n", handle
);
264 release_user_handle_ptr( obj
);
269 ULONG_PTR
set_icon_param( HICON handle
, ULONG_PTR param
)
272 struct cursoricon_object
*obj
= get_user_handle_ptr( handle
, USER_ICON
);
274 if (obj
== OBJ_OTHER_PROCESS
) WARN( "icon handle %p from other process\n", handle
);
279 release_user_handle_ptr( obj
);
285 /***********************************************************************
288 * Helper function to map a file to memory:
290 * [RETURN] ptr - pointer to mapped file
291 * [RETURN] filesize - pointer size of file to be stored if not NULL
293 static const void *map_fileW( LPCWSTR name
, LPDWORD filesize
)
295 HANDLE hFile
, hMapping
;
298 hFile
= CreateFileW( name
, GENERIC_READ
, FILE_SHARE_READ
, NULL
,
299 OPEN_EXISTING
, FILE_FLAG_RANDOM_ACCESS
, 0 );
300 if (hFile
!= INVALID_HANDLE_VALUE
)
302 hMapping
= CreateFileMappingW( hFile
, NULL
, PAGE_READONLY
, 0, 0, NULL
);
305 ptr
= MapViewOfFile( hMapping
, FILE_MAP_READ
, 0, 0, 0 );
306 CloseHandle( hMapping
);
308 *filesize
= GetFileSize( hFile
, NULL
);
310 CloseHandle( hFile
);
316 /***********************************************************************
319 * Return the size of a DIB bitmap in bytes.
321 static int get_dib_image_size( int width
, int height
, int depth
)
323 return (((width
* depth
+ 31) / 8) & ~3) * abs( height
);
327 /***********************************************************************
330 * Return the size of the bitmap info structure including color table.
332 static int bitmap_info_size( const BITMAPINFO
* info
, WORD coloruse
)
334 unsigned int colors
, size
, masks
= 0;
336 if (info
->bmiHeader
.biSize
== sizeof(BITMAPCOREHEADER
))
338 const BITMAPCOREHEADER
*core
= (const BITMAPCOREHEADER
*)info
;
339 colors
= (core
->bcBitCount
<= 8) ? 1 << core
->bcBitCount
: 0;
340 return sizeof(BITMAPCOREHEADER
) + colors
*
341 ((coloruse
== DIB_RGB_COLORS
) ? sizeof(RGBTRIPLE
) : sizeof(WORD
));
343 else /* assume BITMAPINFOHEADER */
345 colors
= info
->bmiHeader
.biClrUsed
;
346 if (colors
> 256) /* buffer overflow otherwise */
348 if (!colors
&& (info
->bmiHeader
.biBitCount
<= 8))
349 colors
= 1 << info
->bmiHeader
.biBitCount
;
350 if (info
->bmiHeader
.biCompression
== BI_BITFIELDS
) masks
= 3;
351 size
= max( info
->bmiHeader
.biSize
, sizeof(BITMAPINFOHEADER
) + masks
* sizeof(DWORD
) );
352 return size
+ colors
* ((coloruse
== DIB_RGB_COLORS
) ? sizeof(RGBQUAD
) : sizeof(WORD
));
357 /***********************************************************************
360 * Helper function to duplicate a bitmap.
362 static HBITMAP
copy_bitmap( HBITMAP bitmap
)
365 HBITMAP new_bitmap
= 0;
368 if (!bitmap
) return 0;
369 if (!GetObjectW( bitmap
, sizeof(bmp
), &bmp
)) return 0;
371 if ((src
= CreateCompatibleDC( 0 )) && (dst
= CreateCompatibleDC( 0 )))
373 SelectObject( src
, bitmap
);
374 if ((new_bitmap
= CreateCompatibleBitmap( src
, bmp
.bmWidth
, bmp
.bmHeight
)))
376 SelectObject( dst
, new_bitmap
);
377 BitBlt( dst
, 0, 0, bmp
.bmWidth
, bmp
.bmHeight
, src
, 0, 0, SRCCOPY
);
386 /***********************************************************************
389 * Returns whether a DIB can be converted to a monochrome DDB.
391 * A DIB can be converted if its color table contains only black and
392 * white. Black must be the first color in the color table.
394 * Note : If the first color in the color table is white followed by
395 * black, we can't convert it to a monochrome DDB with
396 * SetDIBits, because black and white would be inverted.
398 static BOOL
is_dib_monochrome( const BITMAPINFO
* info
)
400 if (info
->bmiHeader
.biBitCount
!= 1) return FALSE
;
402 if (info
->bmiHeader
.biSize
== sizeof(BITMAPCOREHEADER
))
404 const RGBTRIPLE
*rgb
= ((const BITMAPCOREINFO
*)info
)->bmciColors
;
406 /* Check if the first color is black */
407 if ((rgb
->rgbtRed
== 0) && (rgb
->rgbtGreen
== 0) && (rgb
->rgbtBlue
== 0))
411 /* Check if the second color is white */
412 return ((rgb
->rgbtRed
== 0xff) && (rgb
->rgbtGreen
== 0xff)
413 && (rgb
->rgbtBlue
== 0xff));
417 else /* assume BITMAPINFOHEADER */
419 const RGBQUAD
*rgb
= info
->bmiColors
;
421 /* Check if the first color is black */
422 if ((rgb
->rgbRed
== 0) && (rgb
->rgbGreen
== 0) &&
423 (rgb
->rgbBlue
== 0) && (rgb
->rgbReserved
== 0))
427 /* Check if the second color is white */
428 return ((rgb
->rgbRed
== 0xff) && (rgb
->rgbGreen
== 0xff)
429 && (rgb
->rgbBlue
== 0xff) && (rgb
->rgbReserved
== 0));
435 /***********************************************************************
438 * Get the info from a bitmap header.
439 * Return 1 for INFOHEADER, 0 for COREHEADER, -1 in case of failure.
441 static int DIB_GetBitmapInfo( const BITMAPINFOHEADER
*header
, LONG
*width
,
442 LONG
*height
, WORD
*bpp
, DWORD
*compr
)
444 if (header
->biSize
== sizeof(BITMAPCOREHEADER
))
446 const BITMAPCOREHEADER
*core
= (const BITMAPCOREHEADER
*)header
;
447 *width
= core
->bcWidth
;
448 *height
= core
->bcHeight
;
449 *bpp
= core
->bcBitCount
;
453 else if (header
->biSize
== sizeof(BITMAPINFOHEADER
) ||
454 header
->biSize
== sizeof(BITMAPV4HEADER
) ||
455 header
->biSize
== sizeof(BITMAPV5HEADER
))
457 *width
= header
->biWidth
;
458 *height
= header
->biHeight
;
459 *bpp
= header
->biBitCount
;
460 *compr
= header
->biCompression
;
463 WARN("unknown/wrong size (%u) for header\n", header
->biSize
);
467 /**********************************************************************
470 BOOL
get_icon_size( HICON handle
, SIZE
*size
)
472 struct cursoricon_object
*info
;
473 struct cursoricon_frame
*frame
;
475 if (!(info
= get_icon_ptr( handle
))) return FALSE
;
476 frame
= get_icon_frame( info
, 0 );
477 size
->cx
= frame
->width
;
478 size
->cy
= frame
->height
;
479 release_icon_frame( info
, frame
);
480 release_user_handle_ptr( info
);
485 * The following macro functions account for the irregularities of
486 * accessing cursor and icon resources in files and resource entries.
488 typedef BOOL (*fnGetCIEntry
)( LPCVOID dir
, DWORD size
, int n
,
489 int *width
, int *height
, int *bits
);
491 /**********************************************************************
492 * CURSORICON_FindBestIcon
494 * Find the icon closest to the requested size and bit depth.
496 static int CURSORICON_FindBestIcon( LPCVOID dir
, DWORD size
, fnGetCIEntry get_entry
,
497 int width
, int height
, int depth
, UINT loadflags
)
499 int i
, cx
, cy
, bits
, bestEntry
= -1;
500 UINT iTotalDiff
, iXDiff
=0, iYDiff
=0, iColorDiff
;
501 UINT iTempXDiff
, iTempYDiff
, iTempColorDiff
;
504 iTotalDiff
= 0xFFFFFFFF;
505 iColorDiff
= 0xFFFFFFFF;
507 if (loadflags
& LR_DEFAULTSIZE
)
509 if (!width
) width
= GetSystemMetrics( SM_CXICON
);
510 if (!height
) height
= GetSystemMetrics( SM_CYICON
);
512 else if (!width
&& !height
)
514 /* use the size of the first entry */
515 if (!get_entry( dir
, size
, 0, &width
, &height
, &bits
)) return -1;
519 for ( i
= 0; iTotalDiff
&& get_entry( dir
, size
, i
, &cx
, &cy
, &bits
); i
++ )
521 iTempXDiff
= abs(width
- cx
);
522 iTempYDiff
= abs(height
- cy
);
524 if(iTotalDiff
> (iTempXDiff
+ iTempYDiff
))
528 iTotalDiff
= iXDiff
+ iYDiff
;
532 /* Find Best Colors for Best Fit */
533 for ( i
= 0; get_entry( dir
, size
, i
, &cx
, &cy
, &bits
); i
++ )
535 if(abs(width
- cx
) == iXDiff
&& abs(height
- cy
) == iYDiff
)
537 iTempColorDiff
= abs(depth
- bits
);
538 if(iColorDiff
> iTempColorDiff
)
541 iColorDiff
= iTempColorDiff
;
549 static BOOL
CURSORICON_GetResIconEntry( LPCVOID dir
, DWORD size
, int n
,
550 int *width
, int *height
, int *bits
)
552 const CURSORICONDIR
*resdir
= dir
;
553 const ICONRESDIR
*icon
;
555 if ( resdir
->idCount
<= n
)
557 if ((const char *)&resdir
->idEntries
[n
+ 1] - (const char *)dir
> size
)
559 icon
= &resdir
->idEntries
[n
].ResInfo
.icon
;
560 *width
= icon
->bWidth
;
561 *height
= icon
->bHeight
;
562 *bits
= resdir
->idEntries
[n
].wBitCount
;
566 /**********************************************************************
567 * CURSORICON_FindBestCursor
569 * Find the cursor closest to the requested size.
571 * FIXME: parameter 'color' ignored.
573 static int CURSORICON_FindBestCursor( LPCVOID dir
, DWORD size
, fnGetCIEntry get_entry
,
574 int width
, int height
, int depth
, UINT loadflags
)
576 int i
, maxwidth
, maxheight
, cx
, cy
, bits
, bestEntry
= -1;
578 if (loadflags
& LR_DEFAULTSIZE
)
580 if (!width
) width
= GetSystemMetrics( SM_CXCURSOR
);
581 if (!height
) height
= GetSystemMetrics( SM_CYCURSOR
);
583 else if (!width
&& !height
)
585 /* use the first entry */
586 if (!get_entry( dir
, size
, 0, &width
, &height
, &bits
)) return -1;
590 /* Double height to account for AND and XOR masks */
594 /* First find the largest one smaller than or equal to the requested size*/
596 maxwidth
= maxheight
= 0;
597 for ( i
= 0; get_entry( dir
, size
, i
, &cx
, &cy
, &bits
); i
++ )
599 if ((cx
<= width
) && (cy
<= height
) &&
600 (cx
> maxwidth
) && (cy
> maxheight
))
607 if (bestEntry
!= -1) return bestEntry
;
609 /* Now find the smallest one larger than the requested size */
611 maxwidth
= maxheight
= 255;
612 for ( i
= 0; get_entry( dir
, size
, i
, &cx
, &cy
, &bits
); i
++ )
614 if (((cx
< maxwidth
) && (cy
< maxheight
)) || (bestEntry
== -1))
625 static BOOL
CURSORICON_GetResCursorEntry( LPCVOID dir
, DWORD size
, int n
,
626 int *width
, int *height
, int *bits
)
628 const CURSORICONDIR
*resdir
= dir
;
629 const CURSORDIR
*cursor
;
631 if ( resdir
->idCount
<= n
)
633 if ((const char *)&resdir
->idEntries
[n
+ 1] - (const char *)dir
> size
)
635 cursor
= &resdir
->idEntries
[n
].ResInfo
.cursor
;
636 *width
= cursor
->wWidth
;
637 *height
= cursor
->wHeight
;
638 *bits
= resdir
->idEntries
[n
].wBitCount
;
642 static const CURSORICONDIRENTRY
*CURSORICON_FindBestIconRes( const CURSORICONDIR
* dir
, DWORD size
,
643 int width
, int height
, int depth
,
648 n
= CURSORICON_FindBestIcon( dir
, size
, CURSORICON_GetResIconEntry
,
649 width
, height
, depth
, loadflags
);
652 return &dir
->idEntries
[n
];
655 static const CURSORICONDIRENTRY
*CURSORICON_FindBestCursorRes( const CURSORICONDIR
*dir
, DWORD size
,
656 int width
, int height
, int depth
,
659 int n
= CURSORICON_FindBestCursor( dir
, size
, CURSORICON_GetResCursorEntry
,
660 width
, height
, depth
, loadflags
);
663 return &dir
->idEntries
[n
];
666 static BOOL
CURSORICON_GetFileEntry( LPCVOID dir
, DWORD size
, int n
,
667 int *width
, int *height
, int *bits
)
669 const CURSORICONFILEDIR
*filedir
= dir
;
670 const CURSORICONFILEDIRENTRY
*entry
;
671 const BITMAPINFOHEADER
*info
;
673 if ( filedir
->idCount
<= n
)
675 if ((const char *)&filedir
->idEntries
[n
+ 1] - (const char *)dir
> size
)
677 entry
= &filedir
->idEntries
[n
];
678 info
= (const BITMAPINFOHEADER
*)((const char *)dir
+ entry
->dwDIBOffset
);
679 if ((const char *)(info
+ 1) - (const char *)dir
> size
) return FALSE
;
680 *width
= entry
->bWidth
;
681 *height
= entry
->bHeight
;
682 *bits
= info
->biBitCount
;
686 static const CURSORICONFILEDIRENTRY
*CURSORICON_FindBestCursorFile( const CURSORICONFILEDIR
*dir
, DWORD size
,
687 int width
, int height
, int depth
,
690 int n
= CURSORICON_FindBestCursor( dir
, size
, CURSORICON_GetFileEntry
,
691 width
, height
, depth
, loadflags
);
694 return &dir
->idEntries
[n
];
697 static const CURSORICONFILEDIRENTRY
*CURSORICON_FindBestIconFile( const CURSORICONFILEDIR
*dir
, DWORD size
,
698 int width
, int height
, int depth
,
701 int n
= CURSORICON_FindBestIcon( dir
, size
, CURSORICON_GetFileEntry
,
702 width
, height
, depth
, loadflags
);
705 return &dir
->idEntries
[n
];
708 /***********************************************************************
711 static BOOL
bmi_has_alpha( const BITMAPINFO
*info
, const void *bits
)
714 BOOL has_alpha
= FALSE
;
715 const unsigned char *ptr
= bits
;
717 if (info
->bmiHeader
.biBitCount
!= 32) return FALSE
;
718 for (i
= 0; i
< info
->bmiHeader
.biWidth
* abs(info
->bmiHeader
.biHeight
); i
++, ptr
+= 4)
719 if ((has_alpha
= (ptr
[3] != 0))) break;
723 /***********************************************************************
724 * create_alpha_bitmap
726 * Create the alpha bitmap for a 32-bpp icon that has an alpha channel.
728 static HBITMAP
create_alpha_bitmap( HBITMAP color
, const BITMAPINFO
*src_info
, const void *color_bits
)
731 BITMAPINFO
*info
= NULL
;
738 if (!GetObjectW( color
, sizeof(bm
), &bm
)) return 0;
739 if (bm
.bmBitsPixel
!= 32) return 0;
741 if (!(hdc
= CreateCompatibleDC( 0 ))) return 0;
742 if (!(info
= HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO
, bmiColors
[256] )))) goto done
;
743 info
->bmiHeader
.biSize
= sizeof(BITMAPINFOHEADER
);
744 info
->bmiHeader
.biWidth
= bm
.bmWidth
;
745 info
->bmiHeader
.biHeight
= -bm
.bmHeight
;
746 info
->bmiHeader
.biPlanes
= 1;
747 info
->bmiHeader
.biBitCount
= 32;
748 info
->bmiHeader
.biCompression
= BI_RGB
;
749 info
->bmiHeader
.biSizeImage
= bm
.bmWidth
* bm
.bmHeight
* 4;
750 info
->bmiHeader
.biXPelsPerMeter
= 0;
751 info
->bmiHeader
.biYPelsPerMeter
= 0;
752 info
->bmiHeader
.biClrUsed
= 0;
753 info
->bmiHeader
.biClrImportant
= 0;
754 if (!(alpha
= CreateDIBSection( hdc
, info
, DIB_RGB_COLORS
, &bits
, NULL
, 0 ))) goto done
;
758 SelectObject( hdc
, alpha
);
759 StretchDIBits( hdc
, 0, 0, bm
.bmWidth
, bm
.bmHeight
,
760 0, 0, src_info
->bmiHeader
.biWidth
, src_info
->bmiHeader
.biHeight
,
761 color_bits
, src_info
, DIB_RGB_COLORS
, SRCCOPY
);
766 GetDIBits( hdc
, color
, 0, bm
.bmHeight
, bits
, info
, DIB_RGB_COLORS
);
767 if (!bmi_has_alpha( info
, bits
))
769 DeleteObject( alpha
);
775 /* pre-multiply by alpha */
776 for (i
= 0, ptr
= bits
; i
< bm
.bmWidth
* bm
.bmHeight
; i
++, ptr
+= 4)
778 unsigned int alpha
= ptr
[3];
779 ptr
[0] = ptr
[0] * alpha
/ 255;
780 ptr
[1] = ptr
[1] * alpha
/ 255;
781 ptr
[2] = ptr
[2] * alpha
/ 255;
786 HeapFree( GetProcessHeap(), 0, info
);
791 /***********************************************************************
792 * create_icon_from_bmi
794 * Create an icon from its BITMAPINFO.
796 static HICON
create_icon_from_bmi( const BITMAPINFO
*bmi
, DWORD maxsize
, HMODULE module
, LPCWSTR resname
,
797 HRSRC rsrc
, POINT hotspot
, BOOL bIcon
, INT width
, INT height
,
800 DWORD size
, color_size
, mask_size
;
801 HBITMAP color
= 0, mask
= 0, alpha
= 0;
802 const void *color_bits
, *mask_bits
;
803 BITMAPINFO
*bmi_copy
;
809 /* Check bitmap header */
811 if (maxsize
< sizeof(BITMAPCOREHEADER
))
813 WARN( "invalid size %u\n", maxsize
);
816 if (maxsize
< bmi
->bmiHeader
.biSize
)
818 WARN( "invalid header size %u\n", bmi
->bmiHeader
.biSize
);
821 if ( (bmi
->bmiHeader
.biSize
!= sizeof(BITMAPCOREHEADER
)) &&
822 (bmi
->bmiHeader
.biSize
!= sizeof(BITMAPINFOHEADER
) ||
823 (bmi
->bmiHeader
.biCompression
!= BI_RGB
&&
824 bmi
->bmiHeader
.biCompression
!= BI_BITFIELDS
)) )
826 WARN( "invalid bitmap header %u\n", bmi
->bmiHeader
.biSize
);
830 size
= bitmap_info_size( bmi
, DIB_RGB_COLORS
);
831 color_size
= get_dib_image_size( bmi
->bmiHeader
.biWidth
, bmi
->bmiHeader
.biHeight
/ 2,
832 bmi
->bmiHeader
.biBitCount
);
833 mask_size
= get_dib_image_size( bmi
->bmiHeader
.biWidth
, bmi
->bmiHeader
.biHeight
/ 2, 1 );
834 if (size
> maxsize
|| color_size
> maxsize
- size
)
836 WARN( "truncated file %u < %u+%u+%u\n", maxsize
, size
, color_size
, mask_size
);
839 if (mask_size
> maxsize
- size
- color_size
) mask_size
= 0; /* no mask */
841 if (cFlag
& LR_DEFAULTSIZE
)
843 if (!width
) width
= GetSystemMetrics( bIcon
? SM_CXICON
: SM_CXCURSOR
);
844 if (!height
) height
= GetSystemMetrics( bIcon
? SM_CYICON
: SM_CYCURSOR
);
848 if (!width
) width
= bmi
->bmiHeader
.biWidth
;
849 if (!height
) height
= bmi
->bmiHeader
.biHeight
/2;
851 do_stretch
= (bmi
->bmiHeader
.biHeight
/2 != height
) ||
852 (bmi
->bmiHeader
.biWidth
!= width
);
854 /* Scale the hotspot */
857 hotspot
.x
= width
/ 2;
858 hotspot
.y
= height
/ 2;
862 hotspot
.x
= (hotspot
.x
* width
) / bmi
->bmiHeader
.biWidth
;
863 hotspot
.y
= (hotspot
.y
* height
) / (bmi
->bmiHeader
.biHeight
/ 2);
866 if (!screen_dc
) screen_dc
= CreateDCW( DISPLAYW
, NULL
, NULL
, NULL
);
867 if (!screen_dc
) return 0;
869 if (!(bmi_copy
= HeapAlloc( GetProcessHeap(), 0, max( size
, FIELD_OFFSET( BITMAPINFO
, bmiColors
[2] )))))
871 if (!(hdc
= CreateCompatibleDC( 0 ))) goto done
;
873 memcpy( bmi_copy
, bmi
, size
);
874 bmi_copy
->bmiHeader
.biHeight
/= 2;
876 color_bits
= (const char*)bmi
+ size
;
877 mask_bits
= (const char*)color_bits
+ color_size
;
880 if (is_dib_monochrome( bmi
))
882 if (!(mask
= CreateBitmap( width
, height
* 2, 1, 1, NULL
))) goto done
;
885 /* copy color data into second half of mask bitmap */
886 SelectObject( hdc
, mask
);
887 StretchDIBits( hdc
, 0, height
, width
, height
,
888 0, 0, bmi_copy
->bmiHeader
.biWidth
, bmi_copy
->bmiHeader
.biHeight
,
889 color_bits
, bmi_copy
, DIB_RGB_COLORS
, SRCCOPY
);
893 if (!(mask
= CreateBitmap( width
, height
, 1, 1, NULL
))) goto done
;
894 if (!(color
= CreateBitmap( width
, height
, GetDeviceCaps( screen_dc
, PLANES
),
895 GetDeviceCaps( screen_dc
, BITSPIXEL
), NULL
)))
897 DeleteObject( mask
);
900 SelectObject( hdc
, color
);
901 StretchDIBits( hdc
, 0, 0, width
, height
,
902 0, 0, bmi_copy
->bmiHeader
.biWidth
, bmi_copy
->bmiHeader
.biHeight
,
903 color_bits
, bmi_copy
, DIB_RGB_COLORS
, SRCCOPY
);
905 if (bmi_has_alpha( bmi_copy
, color_bits
))
906 alpha
= create_alpha_bitmap( color
, bmi_copy
, color_bits
);
908 /* convert info to monochrome to copy the mask */
909 bmi_copy
->bmiHeader
.biBitCount
= 1;
910 if (bmi_copy
->bmiHeader
.biSize
!= sizeof(BITMAPCOREHEADER
))
912 RGBQUAD
*rgb
= bmi_copy
->bmiColors
;
914 bmi_copy
->bmiHeader
.biClrUsed
= bmi_copy
->bmiHeader
.biClrImportant
= 2;
915 rgb
[0].rgbBlue
= rgb
[0].rgbGreen
= rgb
[0].rgbRed
= 0x00;
916 rgb
[1].rgbBlue
= rgb
[1].rgbGreen
= rgb
[1].rgbRed
= 0xff;
917 rgb
[0].rgbReserved
= rgb
[1].rgbReserved
= 0;
921 RGBTRIPLE
*rgb
= (RGBTRIPLE
*)(((BITMAPCOREHEADER
*)bmi_copy
) + 1);
923 rgb
[0].rgbtBlue
= rgb
[0].rgbtGreen
= rgb
[0].rgbtRed
= 0x00;
924 rgb
[1].rgbtBlue
= rgb
[1].rgbtGreen
= rgb
[1].rgbtRed
= 0xff;
930 SelectObject( hdc
, mask
);
931 StretchDIBits( hdc
, 0, 0, width
, height
,
932 0, 0, bmi_copy
->bmiHeader
.biWidth
, bmi_copy
->bmiHeader
.biHeight
,
933 mask_bits
, bmi_copy
, DIB_RGB_COLORS
, SRCCOPY
);
939 HeapFree( GetProcessHeap(), 0, bmi_copy
);
942 hObj
= alloc_icon_handle( FALSE
, 0 );
945 struct cursoricon_object
*info
= get_icon_ptr( hObj
);
946 struct cursoricon_frame
*frame
;
948 info
->is_icon
= bIcon
;
949 info
->module
= module
;
950 info
->hotspot
= hotspot
;
951 frame
= get_icon_frame( info
, 0 );
953 frame
->width
= width
;
954 frame
->height
= height
;
955 frame
->color
= color
;
957 frame
->alpha
= alpha
;
958 release_icon_frame( info
, frame
);
959 if (!IS_INTRESOURCE(resname
))
961 info
->resname
= HeapAlloc( GetProcessHeap(), 0, (strlenW(resname
) + 1) * sizeof(WCHAR
) );
962 if (info
->resname
) strcpyW( info
->resname
, resname
);
964 else info
->resname
= MAKEINTRESOURCEW( LOWORD(resname
) );
966 if (module
&& (cFlag
& LR_SHARED
))
969 list_add_head( &icon_cache
, &info
->entry
);
971 release_user_handle_ptr( info
);
975 DeleteObject( color
);
976 DeleteObject( alpha
);
977 DeleteObject( mask
);
983 /**********************************************************************
984 * .ANI cursor support
986 #define RIFF_FOURCC( c0, c1, c2, c3 ) \
987 ( (DWORD)(BYTE)(c0) | ( (DWORD)(BYTE)(c1) << 8 ) | \
988 ( (DWORD)(BYTE)(c2) << 16 ) | ( (DWORD)(BYTE)(c3) << 24 ) )
990 #define ANI_RIFF_ID RIFF_FOURCC('R', 'I', 'F', 'F')
991 #define ANI_LIST_ID RIFF_FOURCC('L', 'I', 'S', 'T')
992 #define ANI_ACON_ID RIFF_FOURCC('A', 'C', 'O', 'N')
993 #define ANI_anih_ID RIFF_FOURCC('a', 'n', 'i', 'h')
994 #define ANI_seq__ID RIFF_FOURCC('s', 'e', 'q', ' ')
995 #define ANI_fram_ID RIFF_FOURCC('f', 'r', 'a', 'm')
996 #define ANI_rate_ID RIFF_FOURCC('r', 'a', 't', 'e')
998 #define ANI_FLAG_ICON 0x1
999 #define ANI_FLAG_SEQUENCE 0x2
1015 const unsigned char *data
;
1018 static void dump_ani_header( const ani_header
*header
)
1020 TRACE(" header size: %d\n", header
->header_size
);
1021 TRACE(" frames: %d\n", header
->num_frames
);
1022 TRACE(" steps: %d\n", header
->num_steps
);
1023 TRACE(" width: %d\n", header
->width
);
1024 TRACE(" height: %d\n", header
->height
);
1025 TRACE(" bpp: %d\n", header
->bpp
);
1026 TRACE(" planes: %d\n", header
->num_planes
);
1027 TRACE(" display rate: %d\n", header
->display_rate
);
1028 TRACE(" flags: 0x%08x\n", header
->flags
);
1050 static void riff_find_chunk( DWORD chunk_id
, DWORD chunk_type
, const riff_chunk_t
*parent_chunk
, riff_chunk_t
*chunk
)
1052 const unsigned char *ptr
= parent_chunk
->data
;
1053 const unsigned char *end
= parent_chunk
->data
+ (parent_chunk
->data_size
- (2 * sizeof(DWORD
)));
1055 if (chunk_type
== ANI_LIST_ID
|| chunk_type
== ANI_RIFF_ID
) end
-= sizeof(DWORD
);
1059 if ((!chunk_type
&& *(const DWORD
*)ptr
== chunk_id
)
1060 || (chunk_type
&& *(const DWORD
*)ptr
== chunk_type
&& *((const DWORD
*)ptr
+ 2) == chunk_id
))
1062 ptr
+= sizeof(DWORD
);
1063 chunk
->data_size
= (*(const DWORD
*)ptr
+ 1) & ~1;
1064 ptr
+= sizeof(DWORD
);
1065 if (chunk_type
== ANI_LIST_ID
|| chunk_type
== ANI_RIFF_ID
) ptr
+= sizeof(DWORD
);
1071 ptr
+= sizeof(DWORD
);
1072 ptr
+= (*(const DWORD
*)ptr
+ 1) & ~1;
1073 ptr
+= sizeof(DWORD
);
1081 * RIFF:'ACON' RIFF chunk
1082 * |- CHUNK:'anih' Header
1083 * |- CHUNK:'seq ' Sequence information (optional)
1084 * \- LIST:'fram' Frame list
1085 * |- CHUNK:icon Cursor frames
1090 static HCURSOR
CURSORICON_CreateIconFromANI( const BYTE
*bits
, DWORD bits_size
, INT width
, INT height
,
1091 INT depth
, BOOL is_icon
, UINT loadflags
)
1093 struct animated_cursoricon_object
*ani_icon_data
;
1094 struct cursoricon_object
*info
;
1095 DWORD
*frame_rates
= NULL
;
1096 DWORD
*frame_seq
= NULL
;
1098 BOOL use_seq
= FALSE
;
1104 riff_chunk_t root_chunk
= { bits_size
, bits
};
1105 riff_chunk_t ACON_chunk
= {0};
1106 riff_chunk_t anih_chunk
= {0};
1107 riff_chunk_t fram_chunk
= {0};
1108 riff_chunk_t rate_chunk
= {0};
1109 riff_chunk_t seq_chunk
= {0};
1110 const unsigned char *icon_chunk
;
1111 const unsigned char *icon_data
;
1113 TRACE("bits %p, bits_size %d\n", bits
, bits_size
);
1115 riff_find_chunk( ANI_ACON_ID
, ANI_RIFF_ID
, &root_chunk
, &ACON_chunk
);
1116 if (!ACON_chunk
.data
)
1118 ERR("Failed to get root chunk.\n");
1122 riff_find_chunk( ANI_anih_ID
, 0, &ACON_chunk
, &anih_chunk
);
1123 if (!anih_chunk
.data
)
1125 ERR("Failed to get 'anih' chunk.\n");
1128 memcpy( &header
, anih_chunk
.data
, sizeof(header
) );
1129 dump_ani_header( &header
);
1131 if (!(header
.flags
& ANI_FLAG_ICON
))
1133 FIXME("Raw animated icon/cursor data is not currently supported.\n");
1137 if (header
.flags
& ANI_FLAG_SEQUENCE
)
1139 riff_find_chunk( ANI_seq__ID
, 0, &ACON_chunk
, &seq_chunk
);
1142 frame_seq
= (DWORD
*) seq_chunk
.data
;
1147 FIXME("Sequence data expected but not found, assuming steps == frames.\n");
1148 header
.num_steps
= header
.num_frames
;
1152 riff_find_chunk( ANI_rate_ID
, 0, &ACON_chunk
, &rate_chunk
);
1153 if (rate_chunk
.data
)
1154 frame_rates
= (DWORD
*) rate_chunk
.data
;
1156 riff_find_chunk( ANI_fram_ID
, ANI_LIST_ID
, &ACON_chunk
, &fram_chunk
);
1157 if (!fram_chunk
.data
)
1159 ERR("Failed to get icon list.\n");
1163 cursor
= alloc_icon_handle( TRUE
, header
.num_steps
);
1164 if (!cursor
) return 0;
1165 frames
= HeapAlloc( GetProcessHeap(), 0, sizeof(*frames
) * header
.num_frames
);
1168 free_icon_handle( cursor
);
1172 info
= get_icon_ptr( cursor
);
1173 ani_icon_data
= (struct animated_cursoricon_object
*) info
;
1174 info
->is_icon
= is_icon
;
1175 ani_icon_data
->num_frames
= header
.num_frames
;
1177 /* The .ANI stores the display rate in jiffies (1/60s) */
1178 info
->delay
= header
.display_rate
;
1180 icon_chunk
= fram_chunk
.data
;
1181 icon_data
= fram_chunk
.data
+ (2 * sizeof(DWORD
));
1182 for (i
=0; i
<header
.num_frames
; i
++)
1184 const DWORD chunk_size
= *(const DWORD
*)(icon_chunk
+ sizeof(DWORD
));
1185 const CURSORICONFILEDIRENTRY
*entry
;
1186 INT frameWidth
, frameHeight
;
1187 const BITMAPINFO
*bmi
;
1189 entry
= CURSORICON_FindBestIconFile((const CURSORICONFILEDIR
*) icon_data
,
1190 bits
+ bits_size
- icon_data
,
1191 width
, height
, depth
, loadflags
);
1193 info
->hotspot
.x
= entry
->xHotspot
;
1194 info
->hotspot
.y
= entry
->yHotspot
;
1195 if (!header
.width
|| !header
.height
)
1197 frameWidth
= entry
->bWidth
;
1198 frameHeight
= entry
->bHeight
;
1202 frameWidth
= header
.width
;
1203 frameHeight
= header
.height
;
1207 if (entry
->dwDIBOffset
< bits
+ bits_size
- icon_data
)
1209 bmi
= (const BITMAPINFO
*) (icon_data
+ entry
->dwDIBOffset
);
1210 /* Grab a frame from the animation */
1211 frames
[i
] = create_icon_from_bmi( bmi
, bits
+ bits_size
- (const BYTE
*)bmi
,
1212 NULL
, NULL
, NULL
, info
->hotspot
,
1213 is_icon
, frameWidth
, frameHeight
, loadflags
);
1218 FIXME_(cursor
)("failed to convert animated cursor frame.\n");
1222 FIXME_(cursor
)("Completely failed to create animated cursor!\n");
1223 ani_icon_data
->num_frames
= 0;
1224 release_user_handle_ptr( info
);
1225 free_icon_handle( cursor
);
1226 HeapFree( GetProcessHeap(), 0, frames
);
1232 /* Advance to the next chunk */
1233 icon_chunk
+= chunk_size
+ (2 * sizeof(DWORD
));
1234 icon_data
= icon_chunk
+ (2 * sizeof(DWORD
));
1237 /* There was an error but we at least decoded the first frame, so just use that frame */
1240 FIXME_(cursor
)("Error creating animated cursor, only using first frame!\n");
1241 for (i
=1; i
<ani_icon_data
->num_frames
; i
++)
1242 free_icon_handle( ani_icon_data
->frames
[i
] );
1245 ani_icon_data
->num_steps
= 1;
1246 ani_icon_data
->num_frames
= 1;
1249 /* Setup the animated frames in the correct sequence */
1250 for (i
=0; i
<ani_icon_data
->num_steps
; i
++)
1252 DWORD frame_id
= use_seq
? frame_seq
[i
] : i
;
1253 struct cursoricon_frame
*frame
;
1255 if (frame_id
>= ani_icon_data
->num_frames
)
1257 frame_id
= ani_icon_data
->num_frames
-1;
1258 ERR_(cursor
)("Sequence indicates frame past end of list, corrupt?\n");
1260 ani_icon_data
->frames
[i
] = frames
[frame_id
];
1261 frame
= get_icon_frame( info
, i
);
1263 frame
->delay
= frame_rates
[i
];
1266 release_icon_frame( info
, frame
);
1269 HeapFree( GetProcessHeap(), 0, frames
);
1270 release_user_handle_ptr( info
);
1276 /**********************************************************************
1277 * CreateIconFromResourceEx (USER32.@)
1279 * FIXME: Convert to mono when cFlag is LR_MONOCHROME.
1281 HICON WINAPI
CreateIconFromResourceEx( LPBYTE bits
, UINT cbSize
,
1282 BOOL bIcon
, DWORD dwVersion
,
1283 INT width
, INT height
,
1287 const BITMAPINFO
*bmi
;
1289 TRACE_(cursor
)("%p (%u bytes), ver %08x, %ix%i %s %s\n",
1290 bits
, cbSize
, dwVersion
, width
, height
,
1291 bIcon
? "icon" : "cursor", (cFlag
& LR_MONOCHROME
) ? "mono" : "" );
1293 if (!bits
) return 0;
1295 if (dwVersion
== 0x00020000)
1297 FIXME_(cursor
)("\t2.xx resources are not supported\n");
1301 /* Check if the resource is an animated icon/cursor */
1302 if (!memcmp(bits
, "RIFF", 4))
1303 return CURSORICON_CreateIconFromANI( bits
, cbSize
, width
, height
,
1304 0 /* default depth */, bIcon
, cFlag
);
1308 hotspot
.x
= width
/ 2;
1309 hotspot
.y
= height
/ 2;
1310 bmi
= (BITMAPINFO
*)bits
;
1312 else /* get the hotspot */
1314 const SHORT
*pt
= (const SHORT
*)bits
;
1317 bmi
= (const BITMAPINFO
*)(pt
+ 2);
1318 cbSize
-= 2 * sizeof(*pt
);
1321 return create_icon_from_bmi( bmi
, cbSize
, NULL
, NULL
, NULL
, hotspot
, bIcon
, width
, height
, cFlag
);
1325 /**********************************************************************
1326 * CreateIconFromResource (USER32.@)
1328 HICON WINAPI
CreateIconFromResource( LPBYTE bits
, UINT cbSize
,
1329 BOOL bIcon
, DWORD dwVersion
)
1331 return CreateIconFromResourceEx( bits
, cbSize
, bIcon
, dwVersion
, 0,0,0);
1335 static HICON
CURSORICON_LoadFromFile( LPCWSTR filename
,
1336 INT width
, INT height
, INT depth
,
1337 BOOL fCursor
, UINT loadflags
)
1339 const CURSORICONFILEDIRENTRY
*entry
;
1340 const CURSORICONFILEDIR
*dir
;
1346 TRACE("loading %s\n", debugstr_w( filename
));
1348 bits
= map_fileW( filename
, &filesize
);
1352 /* Check for .ani. */
1353 if (memcmp( bits
, "RIFF", 4 ) == 0)
1355 hIcon
= CURSORICON_CreateIconFromANI( bits
, filesize
, width
, height
, depth
, !fCursor
, loadflags
);
1359 dir
= (const CURSORICONFILEDIR
*) bits
;
1360 if ( filesize
< FIELD_OFFSET( CURSORICONFILEDIR
, idEntries
[dir
->idCount
] ))
1364 entry
= CURSORICON_FindBestCursorFile( dir
, filesize
, width
, height
, depth
, loadflags
);
1366 entry
= CURSORICON_FindBestIconFile( dir
, filesize
, width
, height
, depth
, loadflags
);
1371 /* check that we don't run off the end of the file */
1372 if ( entry
->dwDIBOffset
> filesize
)
1374 if ( entry
->dwDIBOffset
+ entry
->dwDIBSize
> filesize
)
1377 hotspot
.x
= entry
->xHotspot
;
1378 hotspot
.y
= entry
->yHotspot
;
1379 hIcon
= create_icon_from_bmi( (const BITMAPINFO
*)&bits
[entry
->dwDIBOffset
], filesize
- entry
->dwDIBOffset
,
1380 NULL
, NULL
, NULL
, hotspot
, !fCursor
, width
, height
, loadflags
);
1382 TRACE("loaded %s -> %p\n", debugstr_w( filename
), hIcon
);
1383 UnmapViewOfFile( bits
);
1387 /**********************************************************************
1390 * Load a cursor or icon from resource or file.
1392 static HICON
CURSORICON_Load(HINSTANCE hInstance
, LPCWSTR name
,
1393 INT width
, INT height
, INT depth
,
1394 BOOL fCursor
, UINT loadflags
)
1400 const CURSORICONDIR
*dir
;
1401 const CURSORICONDIRENTRY
*dirEntry
;
1406 TRACE("%p, %s, %dx%d, depth %d, fCursor %d, flags 0x%04x\n",
1407 hInstance
, debugstr_w(name
), width
, height
, depth
, fCursor
, loadflags
);
1409 if ( loadflags
& LR_LOADFROMFILE
) /* Load from file */
1410 return CURSORICON_LoadFromFile( name
, width
, height
, depth
, fCursor
, loadflags
);
1412 if (!hInstance
) hInstance
= user32_module
; /* Load OEM cursor/icon */
1414 /* don't cache 16-bit instances (FIXME: should never get 16-bit instances in the first place) */
1415 if ((ULONG_PTR
)hInstance
>> 16 == 0) loadflags
&= ~LR_SHARED
;
1417 /* Get directory resource ID */
1419 if (!(hRsrc
= FindResourceW( hInstance
, name
,
1420 (LPWSTR
)(fCursor
? RT_GROUP_CURSOR
: RT_GROUP_ICON
) )))
1422 /* try animated resource */
1423 if (!(hRsrc
= FindResourceW( hInstance
, name
,
1424 (LPWSTR
)(fCursor
? RT_ANICURSOR
: RT_ANIICON
) ))) return 0;
1425 if (!(handle
= LoadResource( hInstance
, hRsrc
))) return 0;
1426 bits
= LockResource( handle
);
1427 return CURSORICON_CreateIconFromANI( bits
, SizeofResource( hInstance
, handle
),
1428 width
, height
, depth
, !fCursor
, loadflags
);
1431 /* Find the best entry in the directory */
1433 if (!(handle
= LoadResource( hInstance
, hRsrc
))) return 0;
1434 if (!(dir
= LockResource( handle
))) return 0;
1435 size
= SizeofResource( hInstance
, hRsrc
);
1437 dirEntry
= CURSORICON_FindBestCursorRes( dir
, size
, width
, height
, depth
, loadflags
);
1439 dirEntry
= CURSORICON_FindBestIconRes( dir
, size
, width
, height
, depth
, loadflags
);
1440 if (!dirEntry
) return 0;
1441 wResId
= dirEntry
->wResId
;
1442 FreeResource( handle
);
1444 /* Load the resource */
1446 if (!(hRsrc
= FindResourceW(hInstance
,MAKEINTRESOURCEW(wResId
),
1447 (LPWSTR
)(fCursor
? RT_CURSOR
: RT_ICON
) ))) return 0;
1449 /* If shared icon, check whether it was already loaded */
1450 if (loadflags
& LR_SHARED
)
1452 struct cursoricon_object
*ptr
;
1455 LIST_FOR_EACH_ENTRY( ptr
, &icon_cache
, struct cursoricon_object
, entry
)
1457 if (ptr
->module
!= hInstance
) continue;
1458 if (ptr
->rsrc
!= hRsrc
) continue;
1459 hIcon
= ptr
->obj
.handle
;
1463 if (hIcon
) return hIcon
;
1466 if (!(handle
= LoadResource( hInstance
, hRsrc
))) return 0;
1467 size
= SizeofResource( hInstance
, hRsrc
);
1468 bits
= LockResource( handle
);
1472 hotspot
.x
= width
/ 2;
1473 hotspot
.y
= height
/ 2;
1475 else /* get the hotspot */
1477 const SHORT
*pt
= (const SHORT
*)bits
;
1480 bits
+= 2 * sizeof(SHORT
);
1481 size
-= 2 * sizeof(SHORT
);
1483 hIcon
= create_icon_from_bmi( (const BITMAPINFO
*)bits
, size
, hInstance
, name
, hRsrc
,
1484 hotspot
, !fCursor
, width
, height
, loadflags
);
1485 FreeResource( handle
);
1490 /***********************************************************************
1491 * CreateCursor (USER32.@)
1493 HCURSOR WINAPI
CreateCursor( HINSTANCE hInstance
,
1494 INT xHotSpot
, INT yHotSpot
,
1495 INT nWidth
, INT nHeight
,
1496 LPCVOID lpANDbits
, LPCVOID lpXORbits
)
1501 TRACE_(cursor
)("%dx%d spot=%d,%d xor=%p and=%p\n",
1502 nWidth
, nHeight
, xHotSpot
, yHotSpot
, lpXORbits
, lpANDbits
);
1505 info
.xHotspot
= xHotSpot
;
1506 info
.yHotspot
= yHotSpot
;
1507 info
.hbmMask
= CreateBitmap( nWidth
, nHeight
, 1, 1, lpANDbits
);
1508 info
.hbmColor
= CreateBitmap( nWidth
, nHeight
, 1, 1, lpXORbits
);
1509 hCursor
= CreateIconIndirect( &info
);
1510 DeleteObject( info
.hbmMask
);
1511 DeleteObject( info
.hbmColor
);
1516 /***********************************************************************
1517 * CreateIcon (USER32.@)
1519 * Creates an icon based on the specified bitmaps. The bitmaps must be
1520 * provided in a device dependent format and will be resized to
1521 * (SM_CXICON,SM_CYICON) and depth converted to match the screen's color
1522 * depth. The provided bitmaps must be top-down bitmaps.
1523 * Although Windows does not support 15bpp(*) this API must support it
1524 * for Winelib applications.
1526 * (*) Windows does not support 15bpp but it supports the 555 RGB 16bpp
1530 * Success: handle to an icon
1533 * FIXME: Do we need to resize the bitmaps?
1535 HICON WINAPI
CreateIcon(
1536 HINSTANCE hInstance
, /* [in] the application's hInstance */
1537 INT nWidth
, /* [in] the width of the provided bitmaps */
1538 INT nHeight
, /* [in] the height of the provided bitmaps */
1539 BYTE bPlanes
, /* [in] the number of planes in the provided bitmaps */
1540 BYTE bBitsPixel
, /* [in] the number of bits per pixel of the lpXORbits bitmap */
1541 LPCVOID lpANDbits
, /* [in] a monochrome bitmap representing the icon's mask */
1542 LPCVOID lpXORbits
) /* [in] the icon's 'color' bitmap */
1547 TRACE_(icon
)("%dx%d, planes %d, bpp %d, xor %p, and %p\n",
1548 nWidth
, nHeight
, bPlanes
, bBitsPixel
, lpXORbits
, lpANDbits
);
1551 iinfo
.xHotspot
= nWidth
/ 2;
1552 iinfo
.yHotspot
= nHeight
/ 2;
1553 iinfo
.hbmMask
= CreateBitmap( nWidth
, nHeight
, 1, 1, lpANDbits
);
1554 iinfo
.hbmColor
= CreateBitmap( nWidth
, nHeight
, bPlanes
, bBitsPixel
, lpXORbits
);
1556 hIcon
= CreateIconIndirect( &iinfo
);
1558 DeleteObject( iinfo
.hbmMask
);
1559 DeleteObject( iinfo
.hbmColor
);
1565 /***********************************************************************
1566 * CopyIcon (USER32.@)
1568 HICON WINAPI
CopyIcon( HICON hIcon
)
1570 struct cursoricon_object
*ptrOld
, *ptrNew
;
1573 if (!(ptrOld
= get_icon_ptr( hIcon
)))
1575 SetLastError( ERROR_INVALID_CURSOR_HANDLE
);
1578 if ((hNew
= alloc_icon_handle( FALSE
, 0 )))
1580 struct cursoricon_frame
*frameOld
, *frameNew
;
1582 ptrNew
= get_icon_ptr( hNew
);
1583 ptrNew
->is_icon
= ptrOld
->is_icon
;
1584 ptrNew
->hotspot
= ptrOld
->hotspot
;
1585 if (!(frameOld
= get_icon_frame( ptrOld
, 0 )))
1587 release_user_handle_ptr( ptrOld
);
1588 SetLastError( ERROR_INVALID_CURSOR_HANDLE
);
1591 if (!(frameNew
= get_icon_frame( ptrNew
, 0 )))
1593 release_icon_frame( ptrOld
, frameOld
);
1594 release_user_handle_ptr( ptrOld
);
1595 SetLastError( ERROR_INVALID_CURSOR_HANDLE
);
1598 frameNew
->delay
= 0;
1599 frameNew
->width
= frameOld
->width
;
1600 frameNew
->height
= frameOld
->height
;
1601 frameNew
->mask
= copy_bitmap( frameOld
->mask
);
1602 frameNew
->color
= copy_bitmap( frameOld
->color
);
1603 frameNew
->alpha
= copy_bitmap( frameOld
->alpha
);
1604 release_icon_frame( ptrOld
, frameOld
);
1605 release_icon_frame( ptrNew
, frameNew
);
1606 release_user_handle_ptr( ptrNew
);
1608 release_user_handle_ptr( ptrOld
);
1613 /***********************************************************************
1614 * DestroyIcon (USER32.@)
1616 BOOL WINAPI
DestroyIcon( HICON hIcon
)
1619 struct cursoricon_object
*obj
= get_icon_ptr( hIcon
);
1621 TRACE_(icon
)("%p\n", hIcon
);
1625 BOOL shared
= (obj
->rsrc
!= NULL
);
1626 release_user_handle_ptr( obj
);
1627 ret
= (GetCursor() != hIcon
);
1628 if (!shared
) free_icon_handle( hIcon
);
1634 /***********************************************************************
1635 * DestroyCursor (USER32.@)
1637 BOOL WINAPI
DestroyCursor( HCURSOR hCursor
)
1639 return DestroyIcon( hCursor
);
1642 /***********************************************************************
1643 * DrawIcon (USER32.@)
1645 BOOL WINAPI
DrawIcon( HDC hdc
, INT x
, INT y
, HICON hIcon
)
1647 return DrawIconEx( hdc
, x
, y
, hIcon
, 0, 0, 0, 0, DI_NORMAL
| DI_COMPAT
| DI_DEFAULTSIZE
);
1650 /***********************************************************************
1651 * SetCursor (USER32.@)
1653 * Set the cursor shape.
1656 * A handle to the previous cursor shape.
1658 HCURSOR WINAPI DECLSPEC_HOTPATCH
SetCursor( HCURSOR hCursor
/* [in] Handle of cursor to show */ )
1660 struct cursoricon_object
*obj
;
1665 TRACE("%p\n", hCursor
);
1667 SERVER_START_REQ( set_cursor
)
1669 req
->flags
= SET_CURSOR_HANDLE
;
1670 req
->handle
= wine_server_user_handle( hCursor
);
1671 if ((ret
= !wine_server_call_err( req
)))
1673 hOldCursor
= wine_server_ptr_handle( reply
->prev_handle
);
1674 show_count
= reply
->prev_count
;
1680 USER_Driver
->pSetCursor( show_count
>= 0 ? hCursor
: 0 );
1682 if (!(obj
= get_icon_ptr( hOldCursor
))) return 0;
1683 release_user_handle_ptr( obj
);
1687 /***********************************************************************
1688 * ShowCursor (USER32.@)
1690 INT WINAPI DECLSPEC_HOTPATCH
ShowCursor( BOOL bShow
)
1693 int increment
= bShow
? 1 : -1;
1696 SERVER_START_REQ( set_cursor
)
1698 req
->flags
= SET_CURSOR_COUNT
;
1699 req
->show_count
= increment
;
1700 wine_server_call( req
);
1701 cursor
= wine_server_ptr_handle( reply
->prev_handle
);
1702 count
= reply
->prev_count
+ increment
;
1706 TRACE("%d, count=%d\n", bShow
, count
);
1708 if (bShow
&& !count
) USER_Driver
->pSetCursor( cursor
);
1709 else if (!bShow
&& count
== -1) USER_Driver
->pSetCursor( 0 );
1714 /***********************************************************************
1715 * GetCursor (USER32.@)
1717 HCURSOR WINAPI
GetCursor(void)
1721 SERVER_START_REQ( set_cursor
)
1724 wine_server_call( req
);
1725 ret
= wine_server_ptr_handle( reply
->prev_handle
);
1732 /***********************************************************************
1733 * ClipCursor (USER32.@)
1735 BOOL WINAPI DECLSPEC_HOTPATCH
ClipCursor( const RECT
*rect
)
1740 TRACE( "Clipping to %s\n", wine_dbgstr_rect(rect
) );
1742 if (rect
&& (rect
->left
> rect
->right
|| rect
->top
> rect
->bottom
)) return FALSE
;
1744 SERVER_START_REQ( set_cursor
)
1746 req
->clip_msg
= WM_WINE_CLIPCURSOR
;
1749 req
->flags
= SET_CURSOR_CLIP
;
1750 req
->clip
.left
= rect
->left
;
1751 req
->clip
.top
= rect
->top
;
1752 req
->clip
.right
= rect
->right
;
1753 req
->clip
.bottom
= rect
->bottom
;
1755 else req
->flags
= SET_CURSOR_NOCLIP
;
1757 if ((ret
= !wine_server_call( req
)))
1759 new_rect
.left
= reply
->new_clip
.left
;
1760 new_rect
.top
= reply
->new_clip
.top
;
1761 new_rect
.right
= reply
->new_clip
.right
;
1762 new_rect
.bottom
= reply
->new_clip
.bottom
;
1766 if (ret
) USER_Driver
->pClipCursor( &new_rect
);
1771 /***********************************************************************
1772 * GetClipCursor (USER32.@)
1774 BOOL WINAPI DECLSPEC_HOTPATCH
GetClipCursor( RECT
*rect
)
1778 if (!rect
) return FALSE
;
1780 SERVER_START_REQ( set_cursor
)
1783 if ((ret
= !wine_server_call( req
)))
1785 rect
->left
= reply
->new_clip
.left
;
1786 rect
->top
= reply
->new_clip
.top
;
1787 rect
->right
= reply
->new_clip
.right
;
1788 rect
->bottom
= reply
->new_clip
.bottom
;
1796 /***********************************************************************
1797 * SetSystemCursor (USER32.@)
1799 BOOL WINAPI
SetSystemCursor(HCURSOR hcur
, DWORD id
)
1801 FIXME("(%p,%08x),stub!\n", hcur
, id
);
1806 /**********************************************************************
1807 * LookupIconIdFromDirectoryEx (USER32.@)
1809 INT WINAPI
LookupIconIdFromDirectoryEx( LPBYTE xdir
, BOOL bIcon
,
1810 INT width
, INT height
, UINT cFlag
)
1812 const CURSORICONDIR
*dir
= (const CURSORICONDIR
*)xdir
;
1814 if( dir
&& !dir
->idReserved
&& (dir
->idType
& 3) )
1816 const CURSORICONDIRENTRY
* entry
;
1818 const HDC hdc
= GetDC(0);
1819 const int depth
= (cFlag
& LR_MONOCHROME
) ?
1820 1 : GetDeviceCaps(hdc
, BITSPIXEL
);
1824 entry
= CURSORICON_FindBestIconRes( dir
, ~0u, width
, height
, depth
, LR_DEFAULTSIZE
);
1826 entry
= CURSORICON_FindBestCursorRes( dir
, ~0u, width
, height
, depth
, LR_DEFAULTSIZE
);
1828 if( entry
) retVal
= entry
->wResId
;
1830 else WARN_(cursor
)("invalid resource directory\n");
1834 /**********************************************************************
1835 * LookupIconIdFromDirectory (USER32.@)
1837 INT WINAPI
LookupIconIdFromDirectory( LPBYTE dir
, BOOL bIcon
)
1839 return LookupIconIdFromDirectoryEx( dir
, bIcon
, 0, 0, bIcon
? 0 : LR_MONOCHROME
);
1842 /***********************************************************************
1843 * LoadCursorW (USER32.@)
1845 HCURSOR WINAPI
LoadCursorW(HINSTANCE hInstance
, LPCWSTR name
)
1847 TRACE("%p, %s\n", hInstance
, debugstr_w(name
));
1849 return LoadImageW( hInstance
, name
, IMAGE_CURSOR
, 0, 0,
1850 LR_SHARED
| LR_DEFAULTSIZE
);
1853 /***********************************************************************
1854 * LoadCursorA (USER32.@)
1856 HCURSOR WINAPI
LoadCursorA(HINSTANCE hInstance
, LPCSTR name
)
1858 TRACE("%p, %s\n", hInstance
, debugstr_a(name
));
1860 return LoadImageA( hInstance
, name
, IMAGE_CURSOR
, 0, 0,
1861 LR_SHARED
| LR_DEFAULTSIZE
);
1864 /***********************************************************************
1865 * LoadCursorFromFileW (USER32.@)
1867 HCURSOR WINAPI
LoadCursorFromFileW (LPCWSTR name
)
1869 TRACE("%s\n", debugstr_w(name
));
1871 return LoadImageW( 0, name
, IMAGE_CURSOR
, 0, 0,
1872 LR_LOADFROMFILE
| LR_DEFAULTSIZE
);
1875 /***********************************************************************
1876 * LoadCursorFromFileA (USER32.@)
1878 HCURSOR WINAPI
LoadCursorFromFileA (LPCSTR name
)
1880 TRACE("%s\n", debugstr_a(name
));
1882 return LoadImageA( 0, name
, IMAGE_CURSOR
, 0, 0,
1883 LR_LOADFROMFILE
| LR_DEFAULTSIZE
);
1886 /***********************************************************************
1887 * LoadIconW (USER32.@)
1889 HICON WINAPI
LoadIconW(HINSTANCE hInstance
, LPCWSTR name
)
1891 TRACE("%p, %s\n", hInstance
, debugstr_w(name
));
1893 return LoadImageW( hInstance
, name
, IMAGE_ICON
, 0, 0,
1894 LR_SHARED
| LR_DEFAULTSIZE
);
1897 /***********************************************************************
1898 * LoadIconA (USER32.@)
1900 HICON WINAPI
LoadIconA(HINSTANCE hInstance
, LPCSTR name
)
1902 TRACE("%p, %s\n", hInstance
, debugstr_a(name
));
1904 return LoadImageA( hInstance
, name
, IMAGE_ICON
, 0, 0,
1905 LR_SHARED
| LR_DEFAULTSIZE
);
1908 /**********************************************************************
1909 * GetCursorFrameInfo (USER32.@)
1912 * So far no use has been found for the second parameter, it is currently presumed
1913 * that this parameter is reserved for future use.
1916 * hCursor [I] Handle to cursor for which to retrieve information
1917 * reserved [I] No purpose has been found for this parameter (may be NULL)
1918 * istep [I] The step of the cursor for which to retrieve information
1919 * rate_jiffies [O] Pointer to DWORD that receives the frame-specific delay (cannot be NULL)
1920 * num_steps [O] Pointer to DWORD that receives the number of steps in the cursor (cannot be NULL)
1923 * Success: Handle to a frame of the cursor (specified by istep)
1924 * Failure: NULL cursor (0)
1926 HCURSOR WINAPI
GetCursorFrameInfo(HCURSOR hCursor
, DWORD reserved
, DWORD istep
, DWORD
*rate_jiffies
, DWORD
*num_steps
)
1928 struct cursoricon_object
*ptr
;
1932 if (rate_jiffies
== NULL
|| num_steps
== NULL
) return 0;
1934 if (!(ptr
= get_icon_ptr( hCursor
))) return 0;
1936 TRACE("%p => %d %d %p %p\n", hCursor
, reserved
, istep
, rate_jiffies
, num_steps
);
1938 FIXME("Second parameter non-zero (%d), please report this!\n", reserved
);
1940 icon_steps
= get_icon_steps(ptr
);
1941 if (istep
< icon_steps
|| !ptr
->is_ani
)
1943 struct animated_cursoricon_object
*ani_icon_data
= (struct animated_cursoricon_object
*) ptr
;
1944 UINT icon_frames
= 1;
1947 icon_frames
= ani_icon_data
->num_frames
;
1948 if (ptr
->is_ani
&& icon_frames
> 1)
1949 ret
= ani_icon_data
->frames
[istep
];
1952 if (icon_frames
== 1)
1957 else if (icon_steps
== 1)
1960 *rate_jiffies
= ptr
->delay
;
1962 else if (istep
< icon_steps
)
1964 struct cursoricon_frame
*frame
;
1966 *num_steps
= icon_steps
;
1967 frame
= get_icon_frame( ptr
, istep
);
1968 if (get_icon_steps(ptr
) == 1)
1971 *num_steps
= get_icon_steps(ptr
);
1972 /* If this specific frame does not have a delay then use the global delay */
1973 if (frame
->delay
== ~0)
1974 *rate_jiffies
= ptr
->delay
;
1976 *rate_jiffies
= frame
->delay
;
1977 release_icon_frame( ptr
, frame
);
1981 release_user_handle_ptr( ptr
);
1986 /**********************************************************************
1987 * GetIconInfo (USER32.@)
1989 BOOL WINAPI
GetIconInfo(HICON hIcon
, PICONINFO iconinfo
)
1993 infoW
.cbSize
= sizeof(infoW
);
1994 if (!GetIconInfoExW( hIcon
, &infoW
)) return FALSE
;
1995 iconinfo
->fIcon
= infoW
.fIcon
;
1996 iconinfo
->xHotspot
= infoW
.xHotspot
;
1997 iconinfo
->yHotspot
= infoW
.yHotspot
;
1998 iconinfo
->hbmColor
= infoW
.hbmColor
;
1999 iconinfo
->hbmMask
= infoW
.hbmMask
;
2003 /**********************************************************************
2004 * GetIconInfoExA (USER32.@)
2006 BOOL WINAPI
GetIconInfoExA( HICON icon
, ICONINFOEXA
*info
)
2010 if (info
->cbSize
!= sizeof(*info
))
2012 SetLastError( ERROR_INVALID_PARAMETER
);
2015 infoW
.cbSize
= sizeof(infoW
);
2016 if (!GetIconInfoExW( icon
, &infoW
)) return FALSE
;
2017 info
->fIcon
= infoW
.fIcon
;
2018 info
->xHotspot
= infoW
.xHotspot
;
2019 info
->yHotspot
= infoW
.yHotspot
;
2020 info
->hbmColor
= infoW
.hbmColor
;
2021 info
->hbmMask
= infoW
.hbmMask
;
2022 info
->wResID
= infoW
.wResID
;
2023 WideCharToMultiByte( CP_ACP
, 0, infoW
.szModName
, -1, info
->szModName
, MAX_PATH
, NULL
, NULL
);
2024 WideCharToMultiByte( CP_ACP
, 0, infoW
.szResName
, -1, info
->szResName
, MAX_PATH
, NULL
, NULL
);
2028 /**********************************************************************
2029 * GetIconInfoExW (USER32.@)
2031 BOOL WINAPI
GetIconInfoExW( HICON icon
, ICONINFOEXW
*info
)
2033 struct cursoricon_frame
*frame
;
2034 struct cursoricon_object
*ptr
;
2038 if (info
->cbSize
!= sizeof(*info
))
2040 SetLastError( ERROR_INVALID_PARAMETER
);
2043 if (!(ptr
= get_icon_ptr( icon
)))
2045 SetLastError( ERROR_INVALID_CURSOR_HANDLE
);
2049 frame
= get_icon_frame( ptr
, 0 );
2052 release_user_handle_ptr( ptr
);
2053 SetLastError( ERROR_INVALID_CURSOR_HANDLE
);
2057 TRACE("%p => %dx%d\n", icon
, frame
->width
, frame
->height
);
2059 info
->fIcon
= ptr
->is_icon
;
2060 info
->xHotspot
= ptr
->hotspot
.x
;
2061 info
->yHotspot
= ptr
->hotspot
.y
;
2062 info
->hbmColor
= copy_bitmap( frame
->color
);
2063 info
->hbmMask
= copy_bitmap( frame
->mask
);
2065 info
->szModName
[0] = 0;
2066 info
->szResName
[0] = 0;
2069 if (IS_INTRESOURCE( ptr
->resname
)) info
->wResID
= LOWORD( ptr
->resname
);
2070 else lstrcpynW( info
->szResName
, ptr
->resname
, MAX_PATH
);
2072 if (!info
->hbmMask
|| (!info
->hbmColor
&& frame
->color
))
2074 DeleteObject( info
->hbmMask
);
2075 DeleteObject( info
->hbmColor
);
2078 module
= ptr
->module
;
2079 release_icon_frame( ptr
, frame
);
2080 release_user_handle_ptr( ptr
);
2081 if (ret
&& module
) GetModuleFileNameW( module
, info
->szModName
, MAX_PATH
);
2085 /* copy an icon bitmap, even when it can't be selected into a DC */
2086 /* helper for CreateIconIndirect */
2087 static void stretch_blt_icon( HDC hdc_dst
, int dst_x
, int dst_y
, int dst_width
, int dst_height
,
2088 HBITMAP src
, int width
, int height
)
2090 HDC hdc
= CreateCompatibleDC( 0 );
2092 if (!SelectObject( hdc
, src
)) /* do it the hard way */
2097 if (!(info
= HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO
, bmiColors
[256] )))) return;
2098 info
->bmiHeader
.biSize
= sizeof(BITMAPINFOHEADER
);
2099 info
->bmiHeader
.biWidth
= width
;
2100 info
->bmiHeader
.biHeight
= height
;
2101 info
->bmiHeader
.biPlanes
= GetDeviceCaps( hdc_dst
, PLANES
);
2102 info
->bmiHeader
.biBitCount
= GetDeviceCaps( hdc_dst
, BITSPIXEL
);
2103 info
->bmiHeader
.biCompression
= BI_RGB
;
2104 info
->bmiHeader
.biSizeImage
= get_dib_image_size( width
, height
, info
->bmiHeader
.biBitCount
);
2105 info
->bmiHeader
.biXPelsPerMeter
= 0;
2106 info
->bmiHeader
.biYPelsPerMeter
= 0;
2107 info
->bmiHeader
.biClrUsed
= 0;
2108 info
->bmiHeader
.biClrImportant
= 0;
2109 bits
= HeapAlloc( GetProcessHeap(), 0, info
->bmiHeader
.biSizeImage
);
2110 if (bits
&& GetDIBits( hdc
, src
, 0, height
, bits
, info
, DIB_RGB_COLORS
))
2111 StretchDIBits( hdc_dst
, dst_x
, dst_y
, dst_width
, dst_height
,
2112 0, 0, width
, height
, bits
, info
, DIB_RGB_COLORS
, SRCCOPY
);
2114 HeapFree( GetProcessHeap(), 0, bits
);
2115 HeapFree( GetProcessHeap(), 0, info
);
2117 else StretchBlt( hdc_dst
, dst_x
, dst_y
, dst_width
, dst_height
, hdc
, 0, 0, width
, height
, SRCCOPY
);
2122 /**********************************************************************
2123 * CreateIconIndirect (USER32.@)
2125 HICON WINAPI
CreateIconIndirect(PICONINFO iconinfo
)
2127 BITMAP bmpXor
, bmpAnd
;
2129 HBITMAP color
= 0, mask
;
2133 TRACE("color %p, mask %p, hotspot %ux%u, fIcon %d\n",
2134 iconinfo
->hbmColor
, iconinfo
->hbmMask
,
2135 iconinfo
->xHotspot
, iconinfo
->yHotspot
, iconinfo
->fIcon
);
2137 if (!iconinfo
->hbmMask
) return 0;
2139 GetObjectW( iconinfo
->hbmMask
, sizeof(bmpAnd
), &bmpAnd
);
2140 TRACE("mask: width %d, height %d, width bytes %d, planes %u, bpp %u\n",
2141 bmpAnd
.bmWidth
, bmpAnd
.bmHeight
, bmpAnd
.bmWidthBytes
,
2142 bmpAnd
.bmPlanes
, bmpAnd
.bmBitsPixel
);
2144 if (iconinfo
->hbmColor
)
2146 GetObjectW( iconinfo
->hbmColor
, sizeof(bmpXor
), &bmpXor
);
2147 TRACE("color: width %d, height %d, width bytes %d, planes %u, bpp %u\n",
2148 bmpXor
.bmWidth
, bmpXor
.bmHeight
, bmpXor
.bmWidthBytes
,
2149 bmpXor
.bmPlanes
, bmpXor
.bmBitsPixel
);
2151 width
= bmpXor
.bmWidth
;
2152 height
= bmpXor
.bmHeight
;
2153 if (bmpXor
.bmPlanes
* bmpXor
.bmBitsPixel
!= 1 || bmpAnd
.bmPlanes
* bmpAnd
.bmBitsPixel
!= 1)
2155 color
= CreateCompatibleBitmap( screen_dc
, width
, height
);
2156 mask
= CreateBitmap( width
, height
, 1, 1, NULL
);
2158 else mask
= CreateBitmap( width
, height
* 2, 1, 1, NULL
);
2162 width
= bmpAnd
.bmWidth
;
2163 height
= bmpAnd
.bmHeight
;
2164 mask
= CreateBitmap( width
, height
, 1, 1, NULL
);
2167 hdc
= CreateCompatibleDC( 0 );
2168 SelectObject( hdc
, mask
);
2169 stretch_blt_icon( hdc
, 0, 0, width
, height
, iconinfo
->hbmMask
, bmpAnd
.bmWidth
, bmpAnd
.bmHeight
);
2173 SelectObject( hdc
, color
);
2174 stretch_blt_icon( hdc
, 0, 0, width
, height
, iconinfo
->hbmColor
, width
, height
);
2176 else if (iconinfo
->hbmColor
)
2178 stretch_blt_icon( hdc
, 0, height
, width
, height
, iconinfo
->hbmColor
, width
, height
);
2184 hObj
= alloc_icon_handle( FALSE
, 0 );
2187 struct cursoricon_object
*info
= get_icon_ptr( hObj
);
2188 struct cursoricon_frame
*frame
;
2190 info
->is_icon
= iconinfo
->fIcon
;
2191 frame
= get_icon_frame( info
, 0 );
2193 frame
->width
= width
;
2194 frame
->height
= height
;
2195 frame
->color
= color
;
2197 frame
->alpha
= create_alpha_bitmap( iconinfo
->hbmColor
, NULL
, NULL
);
2198 release_icon_frame( info
, frame
);
2201 info
->hotspot
.x
= width
/ 2;
2202 info
->hotspot
.y
= height
/ 2;
2206 info
->hotspot
.x
= iconinfo
->xHotspot
;
2207 info
->hotspot
.y
= iconinfo
->yHotspot
;
2210 release_user_handle_ptr( info
);
2215 /******************************************************************************
2216 * DrawIconEx (USER32.@) Draws an icon or cursor on device context
2219 * Why is this using SM_CXICON instead of SM_CXCURSOR?
2222 * hdc [I] Handle to device context
2223 * x0 [I] X coordinate of upper left corner
2224 * y0 [I] Y coordinate of upper left corner
2225 * hIcon [I] Handle to icon to draw
2226 * cxWidth [I] Width of icon
2227 * cyWidth [I] Height of icon
2228 * istep [I] Index of frame in animated cursor
2229 * hbr [I] Handle to background brush
2230 * flags [I] Icon-drawing flags
2236 BOOL WINAPI
DrawIconEx( HDC hdc
, INT x0
, INT y0
, HICON hIcon
,
2237 INT cxWidth
, INT cyWidth
, UINT istep
,
2238 HBRUSH hbr
, UINT flags
)
2240 struct cursoricon_frame
*frame
;
2241 struct cursoricon_object
*ptr
;
2242 HDC hdc_dest
, hMemDC
;
2243 BOOL result
= FALSE
, DoOffscreen
;
2245 COLORREF oldFg
, oldBg
;
2246 INT x
, y
, nStretchMode
;
2248 TRACE_(icon
)("(hdc=%p,pos=%d.%d,hicon=%p,extend=%d.%d,istep=%d,br=%p,flags=0x%08x)\n",
2249 hdc
,x0
,y0
,hIcon
,cxWidth
,cyWidth
,istep
,hbr
,flags
);
2251 if (!(ptr
= get_icon_ptr( hIcon
))) return FALSE
;
2252 if (istep
>= get_icon_steps( ptr
))
2254 TRACE_(icon
)("Stepped past end of animated frames=%d\n", istep
);
2255 release_user_handle_ptr( ptr
);
2258 if (!(frame
= get_icon_frame( ptr
, istep
)))
2260 FIXME_(icon
)("Error retrieving icon frame %d\n", istep
);
2261 release_user_handle_ptr( ptr
);
2264 if (!(hMemDC
= CreateCompatibleDC( hdc
)))
2266 release_icon_frame( ptr
, frame
);
2267 release_user_handle_ptr( ptr
);
2271 if (flags
& DI_NOMIRROR
)
2272 FIXME_(icon
)("Ignoring flag DI_NOMIRROR\n");
2274 /* Calculate the size of the destination image. */
2277 if (flags
& DI_DEFAULTSIZE
)
2278 cxWidth
= GetSystemMetrics (SM_CXICON
);
2280 cxWidth
= frame
->width
;
2284 if (flags
& DI_DEFAULTSIZE
)
2285 cyWidth
= GetSystemMetrics (SM_CYICON
);
2287 cyWidth
= frame
->height
;
2290 DoOffscreen
= (GetObjectType( hbr
) == OBJ_BRUSH
);
2300 if (!(hdc_dest
= CreateCompatibleDC(hdc
))) goto failed
;
2301 if (!(hB_off
= CreateCompatibleBitmap(hdc
, cxWidth
, cyWidth
)))
2303 DeleteDC( hdc_dest
);
2306 SelectObject(hdc_dest
, hB_off
);
2307 FillRect(hdc_dest
, &r
, hbr
);
2317 nStretchMode
= SetStretchBltMode (hdc
, STRETCH_DELETESCANS
);
2319 oldFg
= SetTextColor( hdc
, RGB(0,0,0) );
2320 oldBg
= SetBkColor( hdc
, RGB(255,255,255) );
2322 if (frame
->alpha
&& (flags
& DI_IMAGE
))
2324 BOOL alpha_blend
= TRUE
;
2326 if (GetObjectType( hdc_dest
) == OBJ_MEMDC
)
2329 HBITMAP bmp
= GetCurrentObject( hdc_dest
, OBJ_BITMAP
);
2330 alpha_blend
= GetObjectW( bmp
, sizeof(bm
), &bm
) && bm
.bmBitsPixel
> 8;
2334 BLENDFUNCTION pixelblend
= { AC_SRC_OVER
, 0, 255, AC_SRC_ALPHA
};
2335 SelectObject( hMemDC
, frame
->alpha
);
2336 if (GdiAlphaBlend( hdc_dest
, x
, y
, cxWidth
, cyWidth
, hMemDC
,
2337 0, 0, frame
->width
, frame
->height
,
2338 pixelblend
)) goto done
;
2342 if (flags
& DI_MASK
)
2344 DWORD rop
= (flags
& DI_IMAGE
) ? SRCAND
: SRCCOPY
;
2345 SelectObject( hMemDC
, frame
->mask
);
2346 StretchBlt( hdc_dest
, x
, y
, cxWidth
, cyWidth
,
2347 hMemDC
, 0, 0, frame
->width
, frame
->height
, rop
);
2350 if (flags
& DI_IMAGE
)
2354 DWORD rop
= (flags
& DI_MASK
) ? SRCINVERT
: SRCCOPY
;
2355 SelectObject( hMemDC
, frame
->color
);
2356 StretchBlt( hdc_dest
, x
, y
, cxWidth
, cyWidth
,
2357 hMemDC
, 0, 0, frame
->width
, frame
->height
, rop
);
2361 DWORD rop
= (flags
& DI_MASK
) ? SRCINVERT
: SRCCOPY
;
2362 SelectObject( hMemDC
, frame
->mask
);
2363 StretchBlt( hdc_dest
, x
, y
, cxWidth
, cyWidth
,
2364 hMemDC
, 0, frame
->height
, frame
->width
,
2365 frame
->height
, rop
);
2370 if (DoOffscreen
) BitBlt( hdc
, x0
, y0
, cxWidth
, cyWidth
, hdc_dest
, 0, 0, SRCCOPY
);
2372 SetTextColor( hdc
, oldFg
);
2373 SetBkColor( hdc
, oldBg
);
2374 SetStretchBltMode (hdc
, nStretchMode
);
2376 if (hdc_dest
!= hdc
) DeleteDC( hdc_dest
);
2377 if (hB_off
) DeleteObject(hB_off
);
2380 release_icon_frame( ptr
, frame
);
2381 release_user_handle_ptr( ptr
);
2385 /***********************************************************************
2386 * DIB_FixColorsToLoadflags
2388 * Change color table entries when LR_LOADTRANSPARENT or LR_LOADMAP3DCOLORS
2391 static void DIB_FixColorsToLoadflags(BITMAPINFO
* bmi
, UINT loadflags
, BYTE pix
)
2394 COLORREF c_W
, c_S
, c_F
, c_L
, c_C
;
2403 if (((bitmap_type
= DIB_GetBitmapInfo((BITMAPINFOHEADER
*) bmi
, &width
, &height
, &bpp
, &compr
)) == -1))
2405 WARN_(resource
)("Invalid bitmap\n");
2409 if (bpp
> 8) return;
2411 if (bitmap_type
== 0) /* BITMAPCOREHEADER */
2419 colors
= bmi
->bmiHeader
.biClrUsed
;
2420 if (colors
> 256) colors
= 256;
2421 if (!colors
&& (bpp
<= 8)) colors
= 1 << bpp
;
2424 c_W
= GetSysColor(COLOR_WINDOW
);
2425 c_S
= GetSysColor(COLOR_3DSHADOW
);
2426 c_F
= GetSysColor(COLOR_3DFACE
);
2427 c_L
= GetSysColor(COLOR_3DLIGHT
);
2429 if (loadflags
& LR_LOADTRANSPARENT
) {
2431 case 1: pix
= pix
>> 7; break;
2432 case 4: pix
= pix
>> 4; break;
2435 WARN_(resource
)("(%d): Unsupported depth\n", bpp
);
2438 if (pix
>= colors
) {
2439 WARN_(resource
)("pixel has color index greater than biClrUsed!\n");
2442 if (loadflags
& LR_LOADMAP3DCOLORS
) c_W
= c_F
;
2443 ptr
= (RGBQUAD
*)((char*)bmi
->bmiColors
+pix
*incr
);
2444 ptr
->rgbBlue
= GetBValue(c_W
);
2445 ptr
->rgbGreen
= GetGValue(c_W
);
2446 ptr
->rgbRed
= GetRValue(c_W
);
2448 if (loadflags
& LR_LOADMAP3DCOLORS
)
2449 for (i
=0; i
<colors
; i
++) {
2450 ptr
= (RGBQUAD
*)((char*)bmi
->bmiColors
+i
*incr
);
2451 c_C
= RGB(ptr
->rgbRed
, ptr
->rgbGreen
, ptr
->rgbBlue
);
2452 if (c_C
== RGB(128, 128, 128)) {
2453 ptr
->rgbRed
= GetRValue(c_S
);
2454 ptr
->rgbGreen
= GetGValue(c_S
);
2455 ptr
->rgbBlue
= GetBValue(c_S
);
2456 } else if (c_C
== RGB(192, 192, 192)) {
2457 ptr
->rgbRed
= GetRValue(c_F
);
2458 ptr
->rgbGreen
= GetGValue(c_F
);
2459 ptr
->rgbBlue
= GetBValue(c_F
);
2460 } else if (c_C
== RGB(223, 223, 223)) {
2461 ptr
->rgbRed
= GetRValue(c_L
);
2462 ptr
->rgbGreen
= GetGValue(c_L
);
2463 ptr
->rgbBlue
= GetBValue(c_L
);
2469 /**********************************************************************
2472 static HBITMAP
BITMAP_Load( HINSTANCE instance
, LPCWSTR name
,
2473 INT desiredx
, INT desiredy
, UINT loadflags
)
2475 HBITMAP hbitmap
= 0, orig_bm
;
2478 const char *ptr
= NULL
;
2479 BITMAPINFO
*info
, *fix_info
= NULL
, *scaled_info
= NULL
;
2483 LONG width
, height
, new_width
, new_height
;
2485 DWORD compr_dummy
, offbits
= 0;
2487 HDC screen_mem_dc
= NULL
;
2489 if (!(loadflags
& LR_LOADFROMFILE
))
2493 /* OEM bitmap: try to load the resource from user32.dll */
2494 instance
= user32_module
;
2497 if (!(hRsrc
= FindResourceW( instance
, name
, (LPWSTR
)RT_BITMAP
))) return 0;
2498 if (!(handle
= LoadResource( instance
, hRsrc
))) return 0;
2500 if ((info
= LockResource( handle
)) == NULL
) return 0;
2504 BITMAPFILEHEADER
* bmfh
;
2506 if (!(ptr
= map_fileW( name
, NULL
))) return 0;
2507 info
= (BITMAPINFO
*)(ptr
+ sizeof(BITMAPFILEHEADER
));
2508 bmfh
= (BITMAPFILEHEADER
*)ptr
;
2509 if (bmfh
->bfType
!= 0x4d42 /* 'BM' */)
2511 WARN("Invalid/unsupported bitmap format!\n");
2514 if (bmfh
->bfOffBits
) offbits
= bmfh
->bfOffBits
- sizeof(BITMAPFILEHEADER
);
2517 bm_type
= DIB_GetBitmapInfo( &info
->bmiHeader
, &width
, &height
,
2518 &bpp_dummy
, &compr_dummy
);
2521 WARN("Invalid bitmap format!\n");
2525 size
= bitmap_info_size(info
, DIB_RGB_COLORS
);
2526 fix_info
= HeapAlloc(GetProcessHeap(), 0, size
);
2527 scaled_info
= HeapAlloc(GetProcessHeap(), 0, size
);
2529 if (!fix_info
|| !scaled_info
) goto end
;
2530 memcpy(fix_info
, info
, size
);
2532 pix
= *((LPBYTE
)info
+ size
);
2533 DIB_FixColorsToLoadflags(fix_info
, loadflags
, pix
);
2535 memcpy(scaled_info
, fix_info
, size
);
2538 new_width
= desiredx
;
2543 new_height
= height
> 0 ? desiredy
: -desiredy
;
2545 new_height
= height
;
2549 BITMAPCOREHEADER
*core
= (BITMAPCOREHEADER
*)&scaled_info
->bmiHeader
;
2550 core
->bcWidth
= new_width
;
2551 core
->bcHeight
= new_height
;
2555 /* Some sanity checks for BITMAPINFO (not applicable to BITMAPCOREINFO) */
2556 if (info
->bmiHeader
.biHeight
> 65535 || info
->bmiHeader
.biWidth
> 65535) {
2557 WARN("Broken BitmapInfoHeader!\n");
2561 scaled_info
->bmiHeader
.biWidth
= new_width
;
2562 scaled_info
->bmiHeader
.biHeight
= new_height
;
2565 if (new_height
< 0) new_height
= -new_height
;
2567 if (!screen_dc
) screen_dc
= CreateDCW( DISPLAYW
, NULL
, NULL
, NULL
);
2568 if (!(screen_mem_dc
= CreateCompatibleDC( screen_dc
))) goto end
;
2570 bits
= (char *)info
+ (offbits
? offbits
: size
);
2572 if (loadflags
& LR_CREATEDIBSECTION
)
2574 scaled_info
->bmiHeader
.biCompression
= 0; /* DIBSection can't be compressed */
2575 hbitmap
= CreateDIBSection(screen_dc
, scaled_info
, DIB_RGB_COLORS
, NULL
, 0, 0);
2579 if (is_dib_monochrome(fix_info
))
2580 hbitmap
= CreateBitmap(new_width
, new_height
, 1, 1, NULL
);
2582 hbitmap
= CreateCompatibleBitmap(screen_dc
, new_width
, new_height
);
2585 orig_bm
= SelectObject(screen_mem_dc
, hbitmap
);
2586 StretchDIBits(screen_mem_dc
, 0, 0, new_width
, new_height
, 0, 0, width
, height
, bits
, fix_info
, DIB_RGB_COLORS
, SRCCOPY
);
2587 SelectObject(screen_mem_dc
, orig_bm
);
2590 if (screen_mem_dc
) DeleteDC(screen_mem_dc
);
2591 HeapFree(GetProcessHeap(), 0, scaled_info
);
2592 HeapFree(GetProcessHeap(), 0, fix_info
);
2593 if (loadflags
& LR_LOADFROMFILE
) UnmapViewOfFile( ptr
);
2598 /**********************************************************************
2599 * LoadImageA (USER32.@)
2603 HANDLE WINAPI
LoadImageA( HINSTANCE hinst
, LPCSTR name
, UINT type
,
2604 INT desiredx
, INT desiredy
, UINT loadflags
)
2609 if (IS_INTRESOURCE(name
))
2610 return LoadImageW(hinst
, (LPCWSTR
)name
, type
, desiredx
, desiredy
, loadflags
);
2613 DWORD len
= MultiByteToWideChar( CP_ACP
, 0, name
, -1, NULL
, 0 );
2614 u_name
= HeapAlloc( GetProcessHeap(), 0, len
* sizeof(WCHAR
) );
2615 MultiByteToWideChar( CP_ACP
, 0, name
, -1, u_name
, len
);
2617 __EXCEPT_PAGE_FAULT
{
2618 SetLastError( ERROR_INVALID_PARAMETER
);
2622 res
= LoadImageW(hinst
, u_name
, type
, desiredx
, desiredy
, loadflags
);
2623 HeapFree(GetProcessHeap(), 0, u_name
);
2628 /******************************************************************************
2629 * LoadImageW (USER32.@) Loads an icon, cursor, or bitmap
2632 * hinst [I] Handle of instance that contains image
2633 * name [I] Name of image
2634 * type [I] Type of image
2635 * desiredx [I] Desired width
2636 * desiredy [I] Desired height
2637 * loadflags [I] Load flags
2640 * Success: Handle to newly loaded image
2643 * FIXME: Implementation lacks some features, see LR_ defines in winuser.h
2645 HANDLE WINAPI
LoadImageW( HINSTANCE hinst
, LPCWSTR name
, UINT type
,
2646 INT desiredx
, INT desiredy
, UINT loadflags
)
2650 TRACE_(resource
)("(%p,%s,%d,%d,%d,0x%08x)\n",
2651 hinst
,debugstr_w(name
),type
,desiredx
,desiredy
,loadflags
);
2653 if (loadflags
& LR_LOADFROMFILE
) loadflags
&= ~LR_SHARED
;
2656 return BITMAP_Load( hinst
, name
, desiredx
, desiredy
, loadflags
);
2661 if (!(loadflags
& LR_MONOCHROME
))
2663 if (!screen_dc
) screen_dc
= CreateDCW( DISPLAYW
, NULL
, NULL
, NULL
);
2664 if (screen_dc
) depth
= GetDeviceCaps( screen_dc
, BITSPIXEL
);
2666 return CURSORICON_Load(hinst
, name
, desiredx
, desiredy
, depth
, (type
== IMAGE_CURSOR
), loadflags
);
2671 /******************************************************************************
2672 * CopyImage (USER32.@) Creates new image and copies attributes to it
2675 * hnd [I] Handle to image to copy
2676 * type [I] Type of image to copy
2677 * desiredx [I] Desired width of new image
2678 * desiredy [I] Desired height of new image
2679 * flags [I] Copy flags
2682 * Success: Handle to newly created image
2686 * Only Windows NT 4.0 supports the LR_COPYRETURNORG flag for bitmaps,
2687 * all other versions (95/2000/XP have been tested) ignore it.
2690 * If LR_CREATEDIBSECTION is absent, the copy will be monochrome for
2691 * a monochrome source bitmap or if LR_MONOCHROME is present, otherwise
2692 * the copy will have the same depth as the screen.
2693 * The content of the image will only be copied if the bit depth of the
2694 * original image is compatible with the bit depth of the screen, or
2695 * if the source is a DIB section.
2696 * The LR_MONOCHROME flag is ignored if LR_CREATEDIBSECTION is present.
2698 HANDLE WINAPI
CopyImage( HANDLE hnd
, UINT type
, INT desiredx
,
2699 INT desiredy
, UINT flags
)
2701 TRACE("hnd=%p, type=%u, desiredx=%d, desiredy=%d, flags=%x\n",
2702 hnd
, type
, desiredx
, desiredy
, flags
);
2713 objSize
= GetObjectW( hnd
, sizeof(ds
), &ds
);
2714 if (!objSize
) return 0;
2715 if ((desiredx
< 0) || (desiredy
< 0)) return 0;
2717 if (flags
& LR_COPYFROMRESOURCE
)
2719 FIXME("The flag LR_COPYFROMRESOURCE is not implemented for bitmaps\n");
2722 if (desiredx
== 0) desiredx
= ds
.dsBm
.bmWidth
;
2723 if (desiredy
== 0) desiredy
= ds
.dsBm
.bmHeight
;
2725 /* Allocate memory for a BITMAPINFOHEADER structure and a
2726 color table. The maximum number of colors in a color table
2727 is 256 which corresponds to a bitmap with depth 8.
2728 Bitmaps with higher depths don't have color tables. */
2729 bi
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(BITMAPINFOHEADER
) + 256 * sizeof(RGBQUAD
));
2732 bi
->bmiHeader
.biSize
= sizeof(bi
->bmiHeader
);
2733 bi
->bmiHeader
.biPlanes
= ds
.dsBm
.bmPlanes
;
2734 bi
->bmiHeader
.biBitCount
= ds
.dsBm
.bmBitsPixel
;
2735 bi
->bmiHeader
.biCompression
= BI_RGB
;
2737 if (flags
& LR_CREATEDIBSECTION
)
2739 /* Create a DIB section. LR_MONOCHROME is ignored */
2741 HDC dc
= CreateCompatibleDC(NULL
);
2743 if (objSize
== sizeof(DIBSECTION
))
2745 /* The source bitmap is a DIB.
2746 Get its attributes to create an exact copy */
2747 memcpy(bi
, &ds
.dsBmih
, sizeof(BITMAPINFOHEADER
));
2750 bi
->bmiHeader
.biWidth
= desiredx
;
2751 bi
->bmiHeader
.biHeight
= desiredy
;
2753 /* Get the color table or the color masks */
2754 GetDIBits(dc
, hnd
, 0, ds
.dsBm
.bmHeight
, NULL
, bi
, DIB_RGB_COLORS
);
2756 res
= CreateDIBSection(dc
, bi
, DIB_RGB_COLORS
, &bits
, NULL
, 0);
2761 /* Create a device-dependent bitmap */
2763 BOOL monochrome
= (flags
& LR_MONOCHROME
);
2765 if (objSize
== sizeof(DIBSECTION
))
2767 /* The source bitmap is a DIB section.
2768 Get its attributes */
2769 HDC dc
= CreateCompatibleDC(NULL
);
2770 bi
->bmiHeader
.biWidth
= ds
.dsBm
.bmWidth
;
2771 bi
->bmiHeader
.biHeight
= ds
.dsBm
.bmHeight
;
2772 GetDIBits(dc
, hnd
, 0, ds
.dsBm
.bmHeight
, NULL
, bi
, DIB_RGB_COLORS
);
2775 if (!monochrome
&& ds
.dsBm
.bmBitsPixel
== 1)
2777 /* Look if the colors of the DIB are black and white */
2780 (bi
->bmiColors
[0].rgbRed
== 0xff
2781 && bi
->bmiColors
[0].rgbGreen
== 0xff
2782 && bi
->bmiColors
[0].rgbBlue
== 0xff
2783 && bi
->bmiColors
[0].rgbReserved
== 0
2784 && bi
->bmiColors
[1].rgbRed
== 0
2785 && bi
->bmiColors
[1].rgbGreen
== 0
2786 && bi
->bmiColors
[1].rgbBlue
== 0
2787 && bi
->bmiColors
[1].rgbReserved
== 0)
2789 (bi
->bmiColors
[0].rgbRed
== 0
2790 && bi
->bmiColors
[0].rgbGreen
== 0
2791 && bi
->bmiColors
[0].rgbBlue
== 0
2792 && bi
->bmiColors
[0].rgbReserved
== 0
2793 && bi
->bmiColors
[1].rgbRed
== 0xff
2794 && bi
->bmiColors
[1].rgbGreen
== 0xff
2795 && bi
->bmiColors
[1].rgbBlue
== 0xff
2796 && bi
->bmiColors
[1].rgbReserved
== 0);
2799 else if (!monochrome
)
2801 monochrome
= ds
.dsBm
.bmBitsPixel
== 1;
2806 res
= CreateBitmap(desiredx
, desiredy
, 1, 1, NULL
);
2810 HDC screenDC
= GetDC(NULL
);
2811 res
= CreateCompatibleBitmap(screenDC
, desiredx
, desiredy
);
2812 ReleaseDC(NULL
, screenDC
);
2818 /* Only copy the bitmap if it's a DIB section or if it's
2819 compatible to the screen */
2822 if (objSize
== sizeof(DIBSECTION
))
2824 copyContents
= TRUE
;
2828 HDC screenDC
= GetDC(NULL
);
2829 int screen_depth
= GetDeviceCaps(screenDC
, BITSPIXEL
);
2830 ReleaseDC(NULL
, screenDC
);
2832 copyContents
= (ds
.dsBm
.bmBitsPixel
== 1 || ds
.dsBm
.bmBitsPixel
== screen_depth
);
2837 /* The source bitmap may already be selected in a device context,
2838 use GetDIBits/StretchDIBits and not StretchBlt */
2843 dc
= CreateCompatibleDC(NULL
);
2845 bi
->bmiHeader
.biWidth
= ds
.dsBm
.bmWidth
;
2846 bi
->bmiHeader
.biHeight
= ds
.dsBm
.bmHeight
;
2847 bi
->bmiHeader
.biSizeImage
= 0;
2848 bi
->bmiHeader
.biClrUsed
= 0;
2849 bi
->bmiHeader
.biClrImportant
= 0;
2851 /* Fill in biSizeImage */
2852 GetDIBits(dc
, hnd
, 0, ds
.dsBm
.bmHeight
, NULL
, bi
, DIB_RGB_COLORS
);
2853 bits
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, bi
->bmiHeader
.biSizeImage
);
2859 /* Get the image bits of the source bitmap */
2860 GetDIBits(dc
, hnd
, 0, ds
.dsBm
.bmHeight
, bits
, bi
, DIB_RGB_COLORS
);
2862 /* Copy it to the destination bitmap */
2863 oldBmp
= SelectObject(dc
, res
);
2864 StretchDIBits(dc
, 0, 0, desiredx
, desiredy
,
2865 0, 0, ds
.dsBm
.bmWidth
, ds
.dsBm
.bmHeight
,
2866 bits
, bi
, DIB_RGB_COLORS
, SRCCOPY
);
2867 SelectObject(dc
, oldBmp
);
2869 HeapFree(GetProcessHeap(), 0, bits
);
2875 if (flags
& LR_COPYDELETEORG
)
2880 HeapFree(GetProcessHeap(), 0, bi
);
2886 struct cursoricon_object
*icon
;
2888 int depth
= (flags
& LR_MONOCHROME
) ? 1 : GetDeviceCaps( screen_dc
, BITSPIXEL
);
2890 if (flags
& LR_DEFAULTSIZE
)
2892 if (!desiredx
) desiredx
= GetSystemMetrics( type
== IMAGE_ICON
? SM_CXICON
: SM_CXCURSOR
);
2893 if (!desiredy
) desiredy
= GetSystemMetrics( type
== IMAGE_ICON
? SM_CYICON
: SM_CYCURSOR
);
2896 if (!(icon
= get_icon_ptr( hnd
))) return 0;
2898 if (icon
->rsrc
&& (flags
& LR_COPYFROMRESOURCE
))
2899 res
= CURSORICON_Load( icon
->module
, icon
->resname
, desiredx
, desiredy
, depth
,
2900 !icon
->is_icon
, flags
);
2902 res
= CopyIcon( hnd
); /* FIXME: change size if necessary */
2903 release_user_handle_ptr( icon
);
2905 if (res
&& (flags
& LR_COPYDELETEORG
)) DeleteObject( hnd
);
2913 /******************************************************************************
2914 * LoadBitmapW (USER32.@) Loads bitmap from the executable file
2917 * Success: Handle to specified bitmap
2920 HBITMAP WINAPI
LoadBitmapW(
2921 HINSTANCE instance
, /* [in] Handle to application instance */
2922 LPCWSTR name
) /* [in] Address of bitmap resource name */
2924 return LoadImageW( instance
, name
, IMAGE_BITMAP
, 0, 0, 0 );
2927 /**********************************************************************
2928 * LoadBitmapA (USER32.@)
2932 HBITMAP WINAPI
LoadBitmapA( HINSTANCE instance
, LPCSTR name
)
2934 return LoadImageA( instance
, name
, IMAGE_BITMAP
, 0, 0, 0 );