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
;
128 icon_size
= FIELD_OFFSET( struct animated_cursoricon_object
, frames
[num_steps
] );
130 icon_size
= sizeof( struct static_cursoricon_object
);
131 obj
= HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, icon_size
);
134 obj
->is_ani
= is_ani
;
137 struct animated_cursoricon_object
*ani_icon_data
= (struct animated_cursoricon_object
*) obj
;
139 ani_icon_data
->num_steps
= num_steps
;
140 ani_icon_data
->num_frames
= num_steps
; /* changed later for some animated cursors */
142 return alloc_user_handle( &obj
->obj
, USER_ICON
);
145 static struct cursoricon_object
*get_icon_ptr( HICON handle
)
147 struct cursoricon_object
*obj
= get_user_handle_ptr( handle
, USER_ICON
);
148 if (obj
== OBJ_OTHER_PROCESS
)
150 WARN( "icon handle %p from other process\n", handle
);
156 static void release_icon_ptr( HICON handle
, struct cursoricon_object
*ptr
)
158 release_user_handle_ptr( ptr
);
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
, int istep
, struct cursoricon_frame
*frame
)
185 struct animated_cursoricon_object
*ani_icon_data
;
186 struct cursoricon_object
*frameobj
;
188 ani_icon_data
= (struct animated_cursoricon_object
*) obj
;
189 frameobj
= (struct cursoricon_object
*) (((char *)frame
) - FIELD_OFFSET(struct static_cursoricon_object
, frame
));
190 release_icon_ptr( ani_icon_data
->frames
[istep
], frameobj
);
194 static UINT
get_icon_steps( struct cursoricon_object
*obj
)
198 struct animated_cursoricon_object
*ani_icon_data
;
200 ani_icon_data
= (struct animated_cursoricon_object
*) obj
;
201 return ani_icon_data
->num_steps
;
206 static BOOL
free_icon_handle( HICON handle
)
208 struct cursoricon_object
*obj
= free_user_handle( handle
, USER_ICON
);
210 if (obj
== OBJ_OTHER_PROCESS
) WARN( "icon handle %p from other process\n", handle
);
213 ULONG_PTR param
= obj
->param
;
216 assert( !obj
->rsrc
); /* shared icons can't be freed */
220 struct cursoricon_frame
*frame
= get_icon_frame( obj
, 0 );
222 if (frame
->alpha
) DeleteObject( frame
->alpha
);
223 if (frame
->color
) DeleteObject( frame
->color
);
224 DeleteObject( frame
->mask
);
225 release_icon_frame( obj
, 0, frame
);
229 struct animated_cursoricon_object
*ani_icon_data
= (struct animated_cursoricon_object
*) obj
;
231 for (i
=0; i
<ani_icon_data
->num_steps
; i
++)
233 HICON hFrame
= ani_icon_data
->frames
[i
];
239 free_icon_handle( ani_icon_data
->frames
[i
] );
240 for (j
=0; j
<ani_icon_data
->num_steps
; j
++)
242 if (ani_icon_data
->frames
[j
] == hFrame
)
243 ani_icon_data
->frames
[j
] = 0;
248 if (!IS_INTRESOURCE( obj
->resname
)) HeapFree( GetProcessHeap(), 0, obj
->resname
);
249 HeapFree( GetProcessHeap(), 0, obj
);
250 if (wow_handlers
.free_icon_param
&& param
) wow_handlers
.free_icon_param( param
);
251 USER_Driver
->pDestroyCursorIcon( handle
);
257 ULONG_PTR
get_icon_param( HICON handle
)
260 struct cursoricon_object
*obj
= get_user_handle_ptr( handle
, USER_ICON
);
262 if (obj
== OBJ_OTHER_PROCESS
) WARN( "icon handle %p from other process\n", handle
);
266 release_user_handle_ptr( obj
);
271 ULONG_PTR
set_icon_param( HICON handle
, ULONG_PTR param
)
274 struct cursoricon_object
*obj
= get_user_handle_ptr( handle
, USER_ICON
);
276 if (obj
== OBJ_OTHER_PROCESS
) WARN( "icon handle %p from other process\n", handle
);
281 release_user_handle_ptr( obj
);
287 /***********************************************************************
290 * Helper function to map a file to memory:
292 * [RETURN] ptr - pointer to mapped file
293 * [RETURN] filesize - pointer size of file to be stored if not NULL
295 static void *map_fileW( LPCWSTR name
, LPDWORD filesize
)
297 HANDLE hFile
, hMapping
;
300 hFile
= CreateFileW( name
, GENERIC_READ
, FILE_SHARE_READ
, NULL
,
301 OPEN_EXISTING
, FILE_FLAG_RANDOM_ACCESS
, 0 );
302 if (hFile
!= INVALID_HANDLE_VALUE
)
304 hMapping
= CreateFileMappingW( hFile
, NULL
, PAGE_READONLY
, 0, 0, NULL
);
307 ptr
= MapViewOfFile( hMapping
, FILE_MAP_READ
, 0, 0, 0 );
308 CloseHandle( hMapping
);
310 *filesize
= GetFileSize( hFile
, NULL
);
312 CloseHandle( hFile
);
318 /***********************************************************************
319 * get_dib_width_bytes
321 * Return the width of a DIB bitmap in bytes. DIB bitmap data is 32-bit aligned.
323 static int get_dib_width_bytes( int width
, int depth
)
329 case 1: words
= (width
+ 31) / 32; break;
330 case 4: words
= (width
+ 7) / 8; break;
331 case 8: words
= (width
+ 3) / 4; break;
333 case 16: words
= (width
+ 1) / 2; break;
334 case 24: words
= (width
* 3 + 3)/4; break;
336 WARN("(%d): Unsupported depth\n", depth
);
345 /***********************************************************************
348 * Return the size of the bitmap info structure including color table.
350 static int bitmap_info_size( const BITMAPINFO
* info
, WORD coloruse
)
352 unsigned int colors
, size
, masks
= 0;
354 if (info
->bmiHeader
.biSize
== sizeof(BITMAPCOREHEADER
))
356 const BITMAPCOREHEADER
*core
= (const BITMAPCOREHEADER
*)info
;
357 colors
= (core
->bcBitCount
<= 8) ? 1 << core
->bcBitCount
: 0;
358 return sizeof(BITMAPCOREHEADER
) + colors
*
359 ((coloruse
== DIB_RGB_COLORS
) ? sizeof(RGBTRIPLE
) : sizeof(WORD
));
361 else /* assume BITMAPINFOHEADER */
363 colors
= info
->bmiHeader
.biClrUsed
;
364 if (colors
> 256) /* buffer overflow otherwise */
366 if (!colors
&& (info
->bmiHeader
.biBitCount
<= 8))
367 colors
= 1 << info
->bmiHeader
.biBitCount
;
368 if (info
->bmiHeader
.biCompression
== BI_BITFIELDS
) masks
= 3;
369 size
= max( info
->bmiHeader
.biSize
, sizeof(BITMAPINFOHEADER
) + masks
* sizeof(DWORD
) );
370 return size
+ colors
* ((coloruse
== DIB_RGB_COLORS
) ? sizeof(RGBQUAD
) : sizeof(WORD
));
375 /***********************************************************************
378 * Helper function to duplicate a bitmap.
380 static HBITMAP
copy_bitmap( HBITMAP bitmap
)
383 HBITMAP new_bitmap
= 0;
386 if (!bitmap
) return 0;
387 if (!GetObjectW( bitmap
, sizeof(bmp
), &bmp
)) return 0;
389 if ((src
= CreateCompatibleDC( 0 )) && (dst
= CreateCompatibleDC( 0 )))
391 SelectObject( src
, bitmap
);
392 if ((new_bitmap
= CreateCompatibleBitmap( src
, bmp
.bmWidth
, bmp
.bmHeight
)))
394 SelectObject( dst
, new_bitmap
);
395 BitBlt( dst
, 0, 0, bmp
.bmWidth
, bmp
.bmHeight
, src
, 0, 0, SRCCOPY
);
404 /***********************************************************************
407 * Returns whether a DIB can be converted to a monochrome DDB.
409 * A DIB can be converted if its color table contains only black and
410 * white. Black must be the first color in the color table.
412 * Note : If the first color in the color table is white followed by
413 * black, we can't convert it to a monochrome DDB with
414 * SetDIBits, because black and white would be inverted.
416 static BOOL
is_dib_monochrome( const BITMAPINFO
* info
)
418 if (info
->bmiHeader
.biBitCount
!= 1) return FALSE
;
420 if (info
->bmiHeader
.biSize
== sizeof(BITMAPCOREHEADER
))
422 const RGBTRIPLE
*rgb
= ((const BITMAPCOREINFO
*)info
)->bmciColors
;
424 /* Check if the first color is black */
425 if ((rgb
->rgbtRed
== 0) && (rgb
->rgbtGreen
== 0) && (rgb
->rgbtBlue
== 0))
429 /* Check if the second color is white */
430 return ((rgb
->rgbtRed
== 0xff) && (rgb
->rgbtGreen
== 0xff)
431 && (rgb
->rgbtBlue
== 0xff));
435 else /* assume BITMAPINFOHEADER */
437 const RGBQUAD
*rgb
= info
->bmiColors
;
439 /* Check if the first color is black */
440 if ((rgb
->rgbRed
== 0) && (rgb
->rgbGreen
== 0) &&
441 (rgb
->rgbBlue
== 0) && (rgb
->rgbReserved
== 0))
445 /* Check if the second color is white */
446 return ((rgb
->rgbRed
== 0xff) && (rgb
->rgbGreen
== 0xff)
447 && (rgb
->rgbBlue
== 0xff) && (rgb
->rgbReserved
== 0));
453 /***********************************************************************
456 * Get the info from a bitmap header.
457 * Return 1 for INFOHEADER, 0 for COREHEADER, -1 in case of failure.
459 static int DIB_GetBitmapInfo( const BITMAPINFOHEADER
*header
, LONG
*width
,
460 LONG
*height
, WORD
*bpp
, DWORD
*compr
)
462 if (header
->biSize
== sizeof(BITMAPCOREHEADER
))
464 const BITMAPCOREHEADER
*core
= (const BITMAPCOREHEADER
*)header
;
465 *width
= core
->bcWidth
;
466 *height
= core
->bcHeight
;
467 *bpp
= core
->bcBitCount
;
471 else if (header
->biSize
== sizeof(BITMAPINFOHEADER
) ||
472 header
->biSize
== sizeof(BITMAPV4HEADER
) ||
473 header
->biSize
== sizeof(BITMAPV5HEADER
))
475 *width
= header
->biWidth
;
476 *height
= header
->biHeight
;
477 *bpp
= header
->biBitCount
;
478 *compr
= header
->biCompression
;
481 WARN("unknown/wrong size (%u) for header\n", header
->biSize
);
485 /**********************************************************************
488 BOOL
get_icon_size( HICON handle
, SIZE
*size
)
490 struct cursoricon_object
*info
;
491 struct cursoricon_frame
*frame
;
493 if (!(info
= get_icon_ptr( handle
))) return FALSE
;
494 frame
= get_icon_frame( info
, 0 );
495 size
->cx
= frame
->width
;
496 size
->cy
= frame
->height
;
497 release_icon_frame( info
, 0, frame
);
498 release_icon_ptr( handle
, info
);
503 * The following macro functions account for the irregularities of
504 * accessing cursor and icon resources in files and resource entries.
506 typedef BOOL (*fnGetCIEntry
)( LPCVOID dir
, int n
,
507 int *width
, int *height
, int *bits
);
509 /**********************************************************************
510 * CURSORICON_FindBestIcon
512 * Find the icon closest to the requested size and bit depth.
514 static int CURSORICON_FindBestIcon( LPCVOID dir
, fnGetCIEntry get_entry
,
515 int width
, int height
, int depth
, UINT loadflags
)
517 int i
, cx
, cy
, bits
, bestEntry
= -1;
518 UINT iTotalDiff
, iXDiff
=0, iYDiff
=0, iColorDiff
;
519 UINT iTempXDiff
, iTempYDiff
, iTempColorDiff
;
522 iTotalDiff
= 0xFFFFFFFF;
523 iColorDiff
= 0xFFFFFFFF;
525 if (loadflags
& LR_DEFAULTSIZE
)
527 if (!width
) width
= GetSystemMetrics( SM_CXICON
);
528 if (!height
) height
= GetSystemMetrics( SM_CYICON
);
530 else if (!width
&& !height
)
532 /* use the size of the first entry */
533 if (!get_entry( dir
, 0, &width
, &height
, &bits
)) return -1;
537 for ( i
= 0; iTotalDiff
&& get_entry( dir
, i
, &cx
, &cy
, &bits
); i
++ )
539 iTempXDiff
= abs(width
- cx
);
540 iTempYDiff
= abs(height
- cy
);
542 if(iTotalDiff
> (iTempXDiff
+ iTempYDiff
))
546 iTotalDiff
= iXDiff
+ iYDiff
;
550 /* Find Best Colors for Best Fit */
551 for ( i
= 0; get_entry( dir
, i
, &cx
, &cy
, &bits
); i
++ )
553 if(abs(width
- cx
) == iXDiff
&& abs(height
- cy
) == iYDiff
)
555 iTempColorDiff
= abs(depth
- bits
);
556 if(iColorDiff
> iTempColorDiff
)
559 iColorDiff
= iTempColorDiff
;
567 static BOOL
CURSORICON_GetResIconEntry( LPCVOID dir
, int n
,
568 int *width
, int *height
, int *bits
)
570 const CURSORICONDIR
*resdir
= dir
;
571 const ICONRESDIR
*icon
;
573 if ( resdir
->idCount
<= n
)
575 icon
= &resdir
->idEntries
[n
].ResInfo
.icon
;
576 *width
= icon
->bWidth
;
577 *height
= icon
->bHeight
;
578 *bits
= resdir
->idEntries
[n
].wBitCount
;
582 /**********************************************************************
583 * CURSORICON_FindBestCursor
585 * Find the cursor closest to the requested size.
587 * FIXME: parameter 'color' ignored.
589 static int CURSORICON_FindBestCursor( LPCVOID dir
, fnGetCIEntry get_entry
,
590 int width
, int height
, int depth
, UINT loadflags
)
592 int i
, maxwidth
, maxheight
, cx
, cy
, bits
, bestEntry
= -1;
594 if (loadflags
& LR_DEFAULTSIZE
)
596 if (!width
) width
= GetSystemMetrics( SM_CXCURSOR
);
597 if (!height
) height
= GetSystemMetrics( SM_CYCURSOR
);
599 else if (!width
&& !height
)
601 /* use the first entry */
602 if (!get_entry( dir
, 0, &width
, &height
, &bits
)) return -1;
606 /* Double height to account for AND and XOR masks */
610 /* First find the largest one smaller than or equal to the requested size*/
612 maxwidth
= maxheight
= 0;
613 for ( i
= 0; get_entry( dir
, i
, &cx
, &cy
, &bits
); i
++ )
615 if ((cx
<= width
) && (cy
<= height
) &&
616 (cx
> maxwidth
) && (cy
> maxheight
))
623 if (bestEntry
!= -1) return bestEntry
;
625 /* Now find the smallest one larger than the requested size */
627 maxwidth
= maxheight
= 255;
628 for ( i
= 0; get_entry( dir
, i
, &cx
, &cy
, &bits
); i
++ )
630 if (((cx
< maxwidth
) && (cy
< maxheight
)) || (bestEntry
== -1))
641 static BOOL
CURSORICON_GetResCursorEntry( LPCVOID dir
, int n
,
642 int *width
, int *height
, int *bits
)
644 const CURSORICONDIR
*resdir
= dir
;
645 const CURSORDIR
*cursor
;
647 if ( resdir
->idCount
<= n
)
649 cursor
= &resdir
->idEntries
[n
].ResInfo
.cursor
;
650 *width
= cursor
->wWidth
;
651 *height
= cursor
->wHeight
;
652 *bits
= resdir
->idEntries
[n
].wBitCount
;
656 static const CURSORICONDIRENTRY
*CURSORICON_FindBestIconRes( const CURSORICONDIR
* dir
,
657 int width
, int height
, int depth
,
662 n
= CURSORICON_FindBestIcon( dir
, CURSORICON_GetResIconEntry
,
663 width
, height
, depth
, loadflags
);
666 return &dir
->idEntries
[n
];
669 static const CURSORICONDIRENTRY
*CURSORICON_FindBestCursorRes( const CURSORICONDIR
*dir
,
670 int width
, int height
, int depth
,
673 int n
= CURSORICON_FindBestCursor( dir
, CURSORICON_GetResCursorEntry
,
674 width
, height
, depth
, loadflags
);
677 return &dir
->idEntries
[n
];
680 static BOOL
CURSORICON_GetFileEntry( LPCVOID dir
, int n
,
681 int *width
, int *height
, int *bits
)
683 const CURSORICONFILEDIR
*filedir
= dir
;
684 const CURSORICONFILEDIRENTRY
*entry
;
685 const BITMAPINFOHEADER
*info
;
687 if ( filedir
->idCount
<= n
)
689 entry
= &filedir
->idEntries
[n
];
690 /* FIXME: check against file size */
691 info
= (const BITMAPINFOHEADER
*)((const char *)dir
+ entry
->dwDIBOffset
);
692 *width
= entry
->bWidth
;
693 *height
= entry
->bHeight
;
694 *bits
= info
->biBitCount
;
698 static const CURSORICONFILEDIRENTRY
*CURSORICON_FindBestCursorFile( const CURSORICONFILEDIR
*dir
,
699 int width
, int height
, int depth
,
702 int n
= CURSORICON_FindBestCursor( dir
, CURSORICON_GetFileEntry
,
703 width
, height
, depth
, loadflags
);
706 return &dir
->idEntries
[n
];
709 static const CURSORICONFILEDIRENTRY
*CURSORICON_FindBestIconFile( const CURSORICONFILEDIR
*dir
,
710 int width
, int height
, int depth
,
713 int n
= CURSORICON_FindBestIcon( dir
, CURSORICON_GetFileEntry
,
714 width
, height
, depth
, loadflags
);
717 return &dir
->idEntries
[n
];
720 /***********************************************************************
723 static BOOL
bmi_has_alpha( const BITMAPINFO
*info
, const void *bits
)
726 BOOL has_alpha
= FALSE
;
727 const unsigned char *ptr
= bits
;
729 if (info
->bmiHeader
.biBitCount
!= 32) return FALSE
;
730 for (i
= 0; i
< info
->bmiHeader
.biWidth
* abs(info
->bmiHeader
.biHeight
); i
++, ptr
+= 4)
731 if ((has_alpha
= (ptr
[3] != 0))) break;
735 /***********************************************************************
736 * create_alpha_bitmap
738 * Create the alpha bitmap for a 32-bpp icon that has an alpha channel.
740 static HBITMAP
create_alpha_bitmap( HBITMAP color
, HBITMAP mask
,
741 const BITMAPINFO
*src_info
, const void *color_bits
)
744 BITMAPINFO
*info
= NULL
;
751 if (!GetObjectW( color
, sizeof(bm
), &bm
)) return 0;
752 if (bm
.bmBitsPixel
!= 32) return 0;
754 if (!(hdc
= CreateCompatibleDC( 0 ))) return 0;
755 if (!(info
= HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO
, bmiColors
[256] )))) goto done
;
756 info
->bmiHeader
.biSize
= sizeof(BITMAPINFOHEADER
);
757 info
->bmiHeader
.biWidth
= bm
.bmWidth
;
758 info
->bmiHeader
.biHeight
= -bm
.bmHeight
;
759 info
->bmiHeader
.biPlanes
= 1;
760 info
->bmiHeader
.biBitCount
= 32;
761 info
->bmiHeader
.biCompression
= BI_RGB
;
762 info
->bmiHeader
.biSizeImage
= bm
.bmWidth
* bm
.bmHeight
* 4;
763 info
->bmiHeader
.biXPelsPerMeter
= 0;
764 info
->bmiHeader
.biYPelsPerMeter
= 0;
765 info
->bmiHeader
.biClrUsed
= 0;
766 info
->bmiHeader
.biClrImportant
= 0;
767 if (!(alpha
= CreateDIBSection( hdc
, info
, DIB_RGB_COLORS
, &bits
, NULL
, 0 ))) goto done
;
771 SelectObject( hdc
, alpha
);
772 StretchDIBits( hdc
, 0, 0, bm
.bmWidth
, bm
.bmHeight
,
773 0, 0, src_info
->bmiHeader
.biWidth
, src_info
->bmiHeader
.biHeight
,
774 color_bits
, src_info
, DIB_RGB_COLORS
, SRCCOPY
);
779 GetDIBits( hdc
, color
, 0, bm
.bmHeight
, bits
, info
, DIB_RGB_COLORS
);
780 if (!bmi_has_alpha( info
, bits
))
782 DeleteObject( alpha
);
788 /* pre-multiply by alpha */
789 for (i
= 0, ptr
= bits
; i
< bm
.bmWidth
* bm
.bmHeight
; i
++, ptr
+= 4)
791 unsigned int alpha
= ptr
[3];
792 ptr
[0] = ptr
[0] * alpha
/ 255;
793 ptr
[1] = ptr
[1] * alpha
/ 255;
794 ptr
[2] = ptr
[2] * alpha
/ 255;
799 HeapFree( GetProcessHeap(), 0, info
);
804 /***********************************************************************
805 * create_icon_from_bmi
807 * Create an icon from its BITMAPINFO.
809 static HICON
create_icon_from_bmi( BITMAPINFO
*bmi
, HMODULE module
, LPCWSTR resname
, HRSRC rsrc
,
810 POINT hotspot
, BOOL bIcon
, INT width
, INT height
, UINT cFlag
)
812 unsigned int size
= bitmap_info_size( bmi
, DIB_RGB_COLORS
);
813 BOOL monochrome
= is_dib_monochrome( bmi
);
814 HBITMAP color
= 0, mask
= 0, alpha
= 0;
815 const void *color_bits
, *mask_bits
;
816 BITMAPINFO
*bmi_copy
;
822 /* Check bitmap header */
824 if ( (bmi
->bmiHeader
.biSize
!= sizeof(BITMAPCOREHEADER
)) &&
825 (bmi
->bmiHeader
.biSize
!= sizeof(BITMAPINFOHEADER
) ||
826 bmi
->bmiHeader
.biCompression
!= BI_RGB
) )
828 WARN_(cursor
)("\tinvalid resource bitmap header.\n");
832 if (cFlag
& LR_DEFAULTSIZE
)
834 if (!width
) width
= GetSystemMetrics( bIcon
? SM_CXICON
: SM_CXCURSOR
);
835 if (!height
) height
= GetSystemMetrics( bIcon
? SM_CYICON
: SM_CYCURSOR
);
839 if (!width
) width
= bmi
->bmiHeader
.biWidth
;
840 if (!height
) height
= bmi
->bmiHeader
.biHeight
/2;
842 do_stretch
= (bmi
->bmiHeader
.biHeight
/2 != height
) ||
843 (bmi
->bmiHeader
.biWidth
!= width
);
845 /* Scale the hotspot */
848 hotspot
.x
= width
/ 2;
849 hotspot
.y
= height
/ 2;
853 hotspot
.x
= (hotspot
.x
* width
) / bmi
->bmiHeader
.biWidth
;
854 hotspot
.y
= (hotspot
.y
* height
) / (bmi
->bmiHeader
.biHeight
/ 2);
857 if (!screen_dc
) screen_dc
= CreateDCW( DISPLAYW
, NULL
, NULL
, NULL
);
858 if (!screen_dc
) return 0;
860 if (!(bmi_copy
= HeapAlloc( GetProcessHeap(), 0, max( size
, FIELD_OFFSET( BITMAPINFO
, bmiColors
[2] )))))
862 if (!(hdc
= CreateCompatibleDC( 0 ))) goto done
;
864 memcpy( bmi_copy
, bmi
, size
);
865 bmi_copy
->bmiHeader
.biHeight
/= 2;
867 color_bits
= (const char*)bmi
+ size
;
868 mask_bits
= (const char*)color_bits
+
869 get_dib_width_bytes( bmi
->bmiHeader
.biWidth
,
870 bmi
->bmiHeader
.biBitCount
) * abs(bmi_copy
->bmiHeader
.biHeight
);
875 if (!(mask
= CreateBitmap( width
, height
* 2, 1, 1, NULL
))) goto done
;
878 /* copy color data into second half of mask bitmap */
879 SelectObject( hdc
, mask
);
880 StretchDIBits( hdc
, 0, height
, width
, height
,
881 0, 0, bmi_copy
->bmiHeader
.biWidth
, bmi_copy
->bmiHeader
.biHeight
,
882 color_bits
, bmi_copy
, DIB_RGB_COLORS
, SRCCOPY
);
886 if (!(mask
= CreateBitmap( width
, height
, 1, 1, NULL
))) goto done
;
887 if (!(color
= CreateBitmap( width
, height
, GetDeviceCaps( screen_dc
, PLANES
),
888 GetDeviceCaps( screen_dc
, BITSPIXEL
), NULL
)))
890 DeleteObject( mask
);
893 SelectObject( hdc
, color
);
894 StretchDIBits( hdc
, 0, 0, width
, height
,
895 0, 0, bmi_copy
->bmiHeader
.biWidth
, bmi_copy
->bmiHeader
.biHeight
,
896 color_bits
, bmi_copy
, DIB_RGB_COLORS
, SRCCOPY
);
898 if (bmi_has_alpha( bmi_copy
, color_bits
))
899 alpha
= create_alpha_bitmap( color
, mask
, bmi_copy
, color_bits
);
901 /* convert info to monochrome to copy the mask */
902 bmi_copy
->bmiHeader
.biBitCount
= 1;
903 if (bmi_copy
->bmiHeader
.biSize
!= sizeof(BITMAPCOREHEADER
))
905 RGBQUAD
*rgb
= bmi_copy
->bmiColors
;
907 bmi_copy
->bmiHeader
.biClrUsed
= bmi_copy
->bmiHeader
.biClrImportant
= 2;
908 rgb
[0].rgbBlue
= rgb
[0].rgbGreen
= rgb
[0].rgbRed
= 0x00;
909 rgb
[1].rgbBlue
= rgb
[1].rgbGreen
= rgb
[1].rgbRed
= 0xff;
910 rgb
[0].rgbReserved
= rgb
[1].rgbReserved
= 0;
914 RGBTRIPLE
*rgb
= (RGBTRIPLE
*)(((BITMAPCOREHEADER
*)bmi_copy
) + 1);
916 rgb
[0].rgbtBlue
= rgb
[0].rgbtGreen
= rgb
[0].rgbtRed
= 0x00;
917 rgb
[1].rgbtBlue
= rgb
[1].rgbtGreen
= rgb
[1].rgbtRed
= 0xff;
921 SelectObject( hdc
, mask
);
922 StretchDIBits( hdc
, 0, 0, width
, height
,
923 0, 0, bmi_copy
->bmiHeader
.biWidth
, bmi_copy
->bmiHeader
.biHeight
,
924 mask_bits
, bmi_copy
, DIB_RGB_COLORS
, SRCCOPY
);
929 HeapFree( GetProcessHeap(), 0, bmi_copy
);
932 hObj
= alloc_icon_handle( FALSE
, 1 );
935 struct cursoricon_object
*info
= get_icon_ptr( hObj
);
936 struct cursoricon_frame
*frame
;
938 info
->is_icon
= bIcon
;
939 info
->module
= module
;
940 info
->hotspot
= hotspot
;
941 frame
= get_icon_frame( info
, 0 );
943 frame
->width
= width
;
944 frame
->height
= height
;
945 frame
->color
= color
;
947 frame
->alpha
= alpha
;
948 release_icon_frame( info
, 0, frame
);
949 if (!IS_INTRESOURCE(resname
))
951 info
->resname
= HeapAlloc( GetProcessHeap(), 0, (strlenW(resname
) + 1) * sizeof(WCHAR
) );
952 if (info
->resname
) strcpyW( info
->resname
, resname
);
954 else info
->resname
= MAKEINTRESOURCEW( LOWORD(resname
) );
956 if (module
&& (cFlag
& LR_SHARED
))
959 list_add_head( &icon_cache
, &info
->entry
);
961 release_icon_ptr( hObj
, info
);
962 USER_Driver
->pCreateCursorIcon( hObj
);
966 DeleteObject( color
);
967 DeleteObject( alpha
);
968 DeleteObject( mask
);
974 /**********************************************************************
975 * .ANI cursor support
977 #define RIFF_FOURCC( c0, c1, c2, c3 ) \
978 ( (DWORD)(BYTE)(c0) | ( (DWORD)(BYTE)(c1) << 8 ) | \
979 ( (DWORD)(BYTE)(c2) << 16 ) | ( (DWORD)(BYTE)(c3) << 24 ) )
981 #define ANI_RIFF_ID RIFF_FOURCC('R', 'I', 'F', 'F')
982 #define ANI_LIST_ID RIFF_FOURCC('L', 'I', 'S', 'T')
983 #define ANI_ACON_ID RIFF_FOURCC('A', 'C', 'O', 'N')
984 #define ANI_anih_ID RIFF_FOURCC('a', 'n', 'i', 'h')
985 #define ANI_seq__ID RIFF_FOURCC('s', 'e', 'q', ' ')
986 #define ANI_fram_ID RIFF_FOURCC('f', 'r', 'a', 'm')
987 #define ANI_rate_ID RIFF_FOURCC('r', 'a', 't', 'e')
989 #define ANI_FLAG_ICON 0x1
990 #define ANI_FLAG_SEQUENCE 0x2
1006 const unsigned char *data
;
1009 static void dump_ani_header( const ani_header
*header
)
1011 TRACE(" header size: %d\n", header
->header_size
);
1012 TRACE(" frames: %d\n", header
->num_frames
);
1013 TRACE(" steps: %d\n", header
->num_steps
);
1014 TRACE(" width: %d\n", header
->width
);
1015 TRACE(" height: %d\n", header
->height
);
1016 TRACE(" bpp: %d\n", header
->bpp
);
1017 TRACE(" planes: %d\n", header
->num_planes
);
1018 TRACE(" display rate: %d\n", header
->display_rate
);
1019 TRACE(" flags: 0x%08x\n", header
->flags
);
1041 static void riff_find_chunk( DWORD chunk_id
, DWORD chunk_type
, const riff_chunk_t
*parent_chunk
, riff_chunk_t
*chunk
)
1043 const unsigned char *ptr
= parent_chunk
->data
;
1044 const unsigned char *end
= parent_chunk
->data
+ (parent_chunk
->data_size
- (2 * sizeof(DWORD
)));
1046 if (chunk_type
== ANI_LIST_ID
|| chunk_type
== ANI_RIFF_ID
) end
-= sizeof(DWORD
);
1050 if ((!chunk_type
&& *(const DWORD
*)ptr
== chunk_id
)
1051 || (chunk_type
&& *(const DWORD
*)ptr
== chunk_type
&& *((const DWORD
*)ptr
+ 2) == chunk_id
))
1053 ptr
+= sizeof(DWORD
);
1054 chunk
->data_size
= (*(const DWORD
*)ptr
+ 1) & ~1;
1055 ptr
+= sizeof(DWORD
);
1056 if (chunk_type
== ANI_LIST_ID
|| chunk_type
== ANI_RIFF_ID
) ptr
+= sizeof(DWORD
);
1062 ptr
+= sizeof(DWORD
);
1063 ptr
+= (*(const DWORD
*)ptr
+ 1) & ~1;
1064 ptr
+= sizeof(DWORD
);
1072 * RIFF:'ACON' RIFF chunk
1073 * |- CHUNK:'anih' Header
1074 * |- CHUNK:'seq ' Sequence information (optional)
1075 * \- LIST:'fram' Frame list
1076 * |- CHUNK:icon Cursor frames
1081 static HCURSOR
CURSORICON_CreateIconFromANI( const LPBYTE bits
, DWORD bits_size
, INT width
, INT height
,
1082 INT depth
, BOOL is_icon
, UINT loadflags
)
1084 struct animated_cursoricon_object
*ani_icon_data
;
1085 struct cursoricon_object
*info
;
1086 DWORD
*frame_rates
= NULL
;
1087 DWORD
*frame_seq
= NULL
;
1088 ani_header header
= {0};
1089 BOOL use_seq
= FALSE
;
1094 riff_chunk_t root_chunk
= { bits_size
, bits
};
1095 riff_chunk_t ACON_chunk
= {0};
1096 riff_chunk_t anih_chunk
= {0};
1097 riff_chunk_t fram_chunk
= {0};
1098 riff_chunk_t rate_chunk
= {0};
1099 riff_chunk_t seq_chunk
= {0};
1100 const unsigned char *icon_chunk
;
1101 const unsigned char *icon_data
;
1103 TRACE("bits %p, bits_size %d\n", bits
, bits_size
);
1105 riff_find_chunk( ANI_ACON_ID
, ANI_RIFF_ID
, &root_chunk
, &ACON_chunk
);
1106 if (!ACON_chunk
.data
)
1108 ERR("Failed to get root chunk.\n");
1112 riff_find_chunk( ANI_anih_ID
, 0, &ACON_chunk
, &anih_chunk
);
1113 if (!anih_chunk
.data
)
1115 ERR("Failed to get 'anih' chunk.\n");
1118 memcpy( &header
, anih_chunk
.data
, sizeof(header
) );
1119 dump_ani_header( &header
);
1121 if (!(header
.flags
& ANI_FLAG_ICON
))
1123 FIXME("Raw animated icon/cursor data is not currently supported.\n");
1127 if (header
.flags
& ANI_FLAG_SEQUENCE
)
1129 riff_find_chunk( ANI_seq__ID
, 0, &ACON_chunk
, &seq_chunk
);
1132 frame_seq
= (DWORD
*) seq_chunk
.data
;
1137 FIXME("Sequence data expected but not found, assuming steps == frames.\n");
1138 header
.num_steps
= header
.num_frames
;
1142 riff_find_chunk( ANI_rate_ID
, 0, &ACON_chunk
, &rate_chunk
);
1143 if (rate_chunk
.data
)
1144 frame_rates
= (DWORD
*) rate_chunk
.data
;
1146 riff_find_chunk( ANI_fram_ID
, ANI_LIST_ID
, &ACON_chunk
, &fram_chunk
);
1147 if (!fram_chunk
.data
)
1149 ERR("Failed to get icon list.\n");
1153 cursor
= alloc_icon_handle( TRUE
, header
.num_steps
);
1154 if (!cursor
) return 0;
1155 frames
= HeapAlloc( GetProcessHeap(), 0, sizeof(DWORD
)*header
.num_frames
);
1158 free_icon_handle( cursor
);
1162 info
= get_icon_ptr( cursor
);
1163 ani_icon_data
= (struct animated_cursoricon_object
*) info
;
1164 info
->is_icon
= is_icon
;
1165 ani_icon_data
->num_frames
= header
.num_frames
;
1167 /* The .ANI stores the display rate in jiffies (1/60s) */
1168 info
->delay
= header
.display_rate
;
1170 icon_chunk
= fram_chunk
.data
;
1171 icon_data
= fram_chunk
.data
+ (2 * sizeof(DWORD
));
1172 for (i
=0; i
<header
.num_frames
; i
++)
1174 const DWORD chunk_size
= *(const DWORD
*)(icon_chunk
+ sizeof(DWORD
));
1175 const CURSORICONFILEDIRENTRY
*entry
;
1176 INT frameWidth
, frameHeight
;
1177 const BITMAPINFO
*bmi
;
1179 entry
= CURSORICON_FindBestIconFile((const CURSORICONFILEDIR
*) icon_data
,
1180 width
, height
, depth
, loadflags
);
1182 bmi
= (const BITMAPINFO
*) (icon_data
+ entry
->dwDIBOffset
);
1183 info
->hotspot
.x
= entry
->xHotspot
;
1184 info
->hotspot
.y
= entry
->yHotspot
;
1185 if (!header
.width
|| !header
.height
)
1187 frameWidth
= entry
->bWidth
;
1188 frameHeight
= entry
->bHeight
;
1192 frameWidth
= header
.width
;
1193 frameHeight
= header
.height
;
1196 /* Grab a frame from the animation */
1197 frames
[i
] = create_icon_from_bmi( (BITMAPINFO
*)bmi
, NULL
, NULL
, NULL
, info
->hotspot
,
1198 is_icon
, frameWidth
, frameHeight
, loadflags
);
1201 FIXME_(cursor
)("failed to convert animated cursor frame.\n");
1205 FIXME_(cursor
)("Completely failed to create animated cursor!\n");
1206 ani_icon_data
->num_frames
= 0;
1207 release_icon_ptr( cursor
, info
);
1208 free_icon_handle( cursor
);
1209 HeapFree( GetProcessHeap(), 0, frames
);
1215 /* Advance to the next chunk */
1216 icon_chunk
+= chunk_size
+ (2 * sizeof(DWORD
));
1217 icon_data
= icon_chunk
+ (2 * sizeof(DWORD
));
1220 /* There was an error but we at least decoded the first frame, so just use that frame */
1223 FIXME_(cursor
)("Error creating animated cursor, only using first frame!\n");
1224 for (i
=1; i
<ani_icon_data
->num_frames
; i
++)
1225 free_icon_handle( ani_icon_data
->frames
[i
] );
1228 ani_icon_data
->num_steps
= 1;
1229 ani_icon_data
->num_frames
= 1;
1232 /* Setup the animated frames in the correct sequence */
1233 for (i
=0; i
<ani_icon_data
->num_steps
; i
++)
1235 DWORD frame_id
= use_seq
? frame_seq
[i
] : i
;
1236 struct cursoricon_frame
*frame
;
1238 if (frame_id
>= ani_icon_data
->num_frames
)
1240 frame_id
= ani_icon_data
->num_frames
-1;
1241 ERR_(cursor
)("Sequence indicates frame past end of list, corrupt?\n");
1243 ani_icon_data
->frames
[i
] = frames
[frame_id
];
1244 frame
= get_icon_frame( info
, i
);
1246 frame
->delay
= frame_rates
[i
];
1249 release_icon_frame( info
, i
, frame
);
1252 HeapFree( GetProcessHeap(), 0, frames
);
1253 release_icon_ptr( cursor
, info
);
1259 /**********************************************************************
1260 * CreateIconFromResourceEx (USER32.@)
1262 * FIXME: Convert to mono when cFlag is LR_MONOCHROME. Do something
1263 * with cbSize parameter as well.
1265 HICON WINAPI
CreateIconFromResourceEx( LPBYTE bits
, UINT cbSize
,
1266 BOOL bIcon
, DWORD dwVersion
,
1267 INT width
, INT height
,
1273 TRACE_(cursor
)("%p (%u bytes), ver %08x, %ix%i %s %s\n",
1274 bits
, cbSize
, dwVersion
, width
, height
,
1275 bIcon
? "icon" : "cursor", (cFlag
& LR_MONOCHROME
) ? "mono" : "" );
1277 if (!bits
) return 0;
1279 if (dwVersion
== 0x00020000)
1281 FIXME_(cursor
)("\t2.xx resources are not supported\n");
1285 /* Check if the resource is an animated icon/cursor */
1286 if (!memcmp(bits
, "RIFF", 4))
1287 return CURSORICON_CreateIconFromANI( bits
, cbSize
, width
, height
,
1288 0 /* default depth */, bIcon
, cFlag
);
1292 hotspot
.x
= width
/ 2;
1293 hotspot
.y
= height
/ 2;
1294 bmi
= (BITMAPINFO
*)bits
;
1296 else /* get the hotspot */
1298 SHORT
*pt
= (SHORT
*)bits
;
1301 bmi
= (BITMAPINFO
*)(pt
+ 2);
1304 return create_icon_from_bmi( bmi
, NULL
, NULL
, NULL
, hotspot
, bIcon
, width
, height
, cFlag
);
1308 /**********************************************************************
1309 * CreateIconFromResource (USER32.@)
1311 HICON WINAPI
CreateIconFromResource( LPBYTE bits
, UINT cbSize
,
1312 BOOL bIcon
, DWORD dwVersion
)
1314 return CreateIconFromResourceEx( bits
, cbSize
, bIcon
, dwVersion
, 0,0,0);
1318 static HICON
CURSORICON_LoadFromFile( LPCWSTR filename
,
1319 INT width
, INT height
, INT depth
,
1320 BOOL fCursor
, UINT loadflags
)
1322 const CURSORICONFILEDIRENTRY
*entry
;
1323 const CURSORICONFILEDIR
*dir
;
1329 TRACE("loading %s\n", debugstr_w( filename
));
1331 bits
= map_fileW( filename
, &filesize
);
1335 /* Check for .ani. */
1336 if (memcmp( bits
, "RIFF", 4 ) == 0)
1338 hIcon
= CURSORICON_CreateIconFromANI( bits
, filesize
, width
, height
, depth
, !fCursor
, loadflags
);
1342 dir
= (const CURSORICONFILEDIR
*) bits
;
1343 if ( filesize
< sizeof(*dir
) )
1346 if ( filesize
< (sizeof(*dir
) + sizeof(dir
->idEntries
[0])*(dir
->idCount
-1)) )
1350 entry
= CURSORICON_FindBestCursorFile( dir
, width
, height
, depth
, loadflags
);
1352 entry
= CURSORICON_FindBestIconFile( dir
, width
, height
, depth
, loadflags
);
1357 /* check that we don't run off the end of the file */
1358 if ( entry
->dwDIBOffset
> filesize
)
1360 if ( entry
->dwDIBOffset
+ entry
->dwDIBSize
> filesize
)
1363 hotspot
.x
= entry
->xHotspot
;
1364 hotspot
.y
= entry
->yHotspot
;
1365 hIcon
= create_icon_from_bmi( (BITMAPINFO
*)&bits
[entry
->dwDIBOffset
], NULL
, NULL
, NULL
,
1366 hotspot
, !fCursor
, width
, height
, loadflags
);
1368 TRACE("loaded %s -> %p\n", debugstr_w( filename
), hIcon
);
1369 UnmapViewOfFile( bits
);
1373 /**********************************************************************
1376 * Load a cursor or icon from resource or file.
1378 static HICON
CURSORICON_Load(HINSTANCE hInstance
, LPCWSTR name
,
1379 INT width
, INT height
, INT depth
,
1380 BOOL fCursor
, UINT loadflags
)
1385 const CURSORICONDIR
*dir
;
1386 const CURSORICONDIRENTRY
*dirEntry
;
1391 TRACE("%p, %s, %dx%d, depth %d, fCursor %d, flags 0x%04x\n",
1392 hInstance
, debugstr_w(name
), width
, height
, depth
, fCursor
, loadflags
);
1394 if ( loadflags
& LR_LOADFROMFILE
) /* Load from file */
1395 return CURSORICON_LoadFromFile( name
, width
, height
, depth
, fCursor
, loadflags
);
1397 if (!hInstance
) hInstance
= user32_module
; /* Load OEM cursor/icon */
1399 /* don't cache 16-bit instances (FIXME: should never get 16-bit instances in the first place) */
1400 if ((ULONG_PTR
)hInstance
>> 16 == 0) loadflags
&= ~LR_SHARED
;
1402 /* Get directory resource ID */
1404 if (!(hRsrc
= FindResourceW( hInstance
, name
,
1405 (LPWSTR
)(fCursor
? RT_GROUP_CURSOR
: RT_GROUP_ICON
) )))
1407 /* try animated resource */
1408 if (!(hRsrc
= FindResourceW( hInstance
, name
,
1409 (LPWSTR
)(fCursor
? RT_ANICURSOR
: RT_ANIICON
) ))) return 0;
1410 if (!(handle
= LoadResource( hInstance
, hRsrc
))) return 0;
1411 bits
= LockResource( handle
);
1412 return CURSORICON_CreateIconFromANI( bits
, SizeofResource( hInstance
, handle
),
1413 width
, height
, depth
, !fCursor
, loadflags
);
1416 /* Find the best entry in the directory */
1418 if (!(handle
= LoadResource( hInstance
, hRsrc
))) return 0;
1419 if (!(dir
= LockResource( handle
))) return 0;
1421 dirEntry
= CURSORICON_FindBestCursorRes( dir
, width
, height
, depth
, loadflags
);
1423 dirEntry
= CURSORICON_FindBestIconRes( dir
, width
, height
, depth
, loadflags
);
1424 if (!dirEntry
) return 0;
1425 wResId
= dirEntry
->wResId
;
1426 FreeResource( handle
);
1428 /* Load the resource */
1430 if (!(hRsrc
= FindResourceW(hInstance
,MAKEINTRESOURCEW(wResId
),
1431 (LPWSTR
)(fCursor
? RT_CURSOR
: RT_ICON
) ))) return 0;
1433 /* If shared icon, check whether it was already loaded */
1434 if (loadflags
& LR_SHARED
)
1436 struct cursoricon_object
*ptr
;
1439 LIST_FOR_EACH_ENTRY( ptr
, &icon_cache
, struct cursoricon_object
, entry
)
1441 if (ptr
->module
!= hInstance
) continue;
1442 if (ptr
->rsrc
!= hRsrc
) continue;
1443 hIcon
= ptr
->obj
.handle
;
1447 if (hIcon
) return hIcon
;
1450 if (!(handle
= LoadResource( hInstance
, hRsrc
))) return 0;
1451 bits
= LockResource( handle
);
1455 hotspot
.x
= width
/ 2;
1456 hotspot
.y
= height
/ 2;
1458 else /* get the hotspot */
1460 SHORT
*pt
= (SHORT
*)bits
;
1463 bits
+= 2 * sizeof(SHORT
);
1465 hIcon
= create_icon_from_bmi( (BITMAPINFO
*)bits
, hInstance
, name
, hRsrc
,
1466 hotspot
, !fCursor
, width
, height
, loadflags
);
1467 FreeResource( handle
);
1472 /***********************************************************************
1473 * CreateCursor (USER32.@)
1475 HCURSOR WINAPI
CreateCursor( HINSTANCE hInstance
,
1476 INT xHotSpot
, INT yHotSpot
,
1477 INT nWidth
, INT nHeight
,
1478 LPCVOID lpANDbits
, LPCVOID lpXORbits
)
1483 TRACE_(cursor
)("%dx%d spot=%d,%d xor=%p and=%p\n",
1484 nWidth
, nHeight
, xHotSpot
, yHotSpot
, lpXORbits
, lpANDbits
);
1487 info
.xHotspot
= xHotSpot
;
1488 info
.yHotspot
= yHotSpot
;
1489 info
.hbmMask
= CreateBitmap( nWidth
, nHeight
, 1, 1, lpANDbits
);
1490 info
.hbmColor
= CreateBitmap( nWidth
, nHeight
, 1, 1, lpXORbits
);
1491 hCursor
= CreateIconIndirect( &info
);
1492 DeleteObject( info
.hbmMask
);
1493 DeleteObject( info
.hbmColor
);
1498 /***********************************************************************
1499 * CreateIcon (USER32.@)
1501 * Creates an icon based on the specified bitmaps. The bitmaps must be
1502 * provided in a device dependent format and will be resized to
1503 * (SM_CXICON,SM_CYICON) and depth converted to match the screen's color
1504 * depth. The provided bitmaps must be top-down bitmaps.
1505 * Although Windows does not support 15bpp(*) this API must support it
1506 * for Winelib applications.
1508 * (*) Windows does not support 15bpp but it supports the 555 RGB 16bpp
1512 * Success: handle to an icon
1515 * FIXME: Do we need to resize the bitmaps?
1517 HICON WINAPI
CreateIcon(
1518 HINSTANCE hInstance
, /* [in] the application's hInstance */
1519 INT nWidth
, /* [in] the width of the provided bitmaps */
1520 INT nHeight
, /* [in] the height of the provided bitmaps */
1521 BYTE bPlanes
, /* [in] the number of planes in the provided bitmaps */
1522 BYTE bBitsPixel
, /* [in] the number of bits per pixel of the lpXORbits bitmap */
1523 LPCVOID lpANDbits
, /* [in] a monochrome bitmap representing the icon's mask */
1524 LPCVOID lpXORbits
) /* [in] the icon's 'color' bitmap */
1529 TRACE_(icon
)("%dx%d, planes %d, bpp %d, xor %p, and %p\n",
1530 nWidth
, nHeight
, bPlanes
, bBitsPixel
, lpXORbits
, lpANDbits
);
1533 iinfo
.xHotspot
= nWidth
/ 2;
1534 iinfo
.yHotspot
= nHeight
/ 2;
1535 iinfo
.hbmMask
= CreateBitmap( nWidth
, nHeight
, 1, 1, lpANDbits
);
1536 iinfo
.hbmColor
= CreateBitmap( nWidth
, nHeight
, bPlanes
, bBitsPixel
, lpXORbits
);
1538 hIcon
= CreateIconIndirect( &iinfo
);
1540 DeleteObject( iinfo
.hbmMask
);
1541 DeleteObject( iinfo
.hbmColor
);
1547 /***********************************************************************
1548 * CopyIcon (USER32.@)
1550 HICON WINAPI
CopyIcon( HICON hIcon
)
1552 struct cursoricon_object
*ptrOld
, *ptrNew
;
1555 if (!(ptrOld
= get_icon_ptr( hIcon
)))
1557 SetLastError( ERROR_INVALID_CURSOR_HANDLE
);
1560 if ((hNew
= alloc_icon_handle( FALSE
, 1 )))
1562 struct cursoricon_frame
*frameOld
, *frameNew
;
1564 ptrNew
= get_icon_ptr( hNew
);
1565 ptrNew
->is_icon
= ptrOld
->is_icon
;
1566 ptrNew
->hotspot
= ptrOld
->hotspot
;
1567 if (!(frameOld
= get_icon_frame( ptrOld
, 0 )))
1569 release_icon_ptr( hIcon
, ptrOld
);
1570 SetLastError( ERROR_INVALID_CURSOR_HANDLE
);
1573 if (!(frameNew
= get_icon_frame( ptrNew
, 0 )))
1575 release_icon_frame( ptrOld
, 0, frameOld
);
1576 release_icon_ptr( hIcon
, ptrOld
);
1577 SetLastError( ERROR_INVALID_CURSOR_HANDLE
);
1580 frameNew
->delay
= 0;
1581 frameNew
->width
= frameOld
->width
;
1582 frameNew
->height
= frameOld
->height
;
1583 frameNew
->mask
= copy_bitmap( frameOld
->mask
);
1584 frameNew
->color
= copy_bitmap( frameOld
->color
);
1585 frameNew
->alpha
= copy_bitmap( frameOld
->alpha
);
1586 release_icon_frame( ptrOld
, 0, frameOld
);
1587 release_icon_frame( ptrNew
, 0, frameNew
);
1588 release_icon_ptr( hNew
, ptrNew
);
1590 release_icon_ptr( hIcon
, ptrOld
);
1591 if (hNew
) USER_Driver
->pCreateCursorIcon( hNew
);
1596 /***********************************************************************
1597 * DestroyIcon (USER32.@)
1599 BOOL WINAPI
DestroyIcon( HICON hIcon
)
1602 struct cursoricon_object
*obj
= get_icon_ptr( hIcon
);
1604 TRACE_(icon
)("%p\n", hIcon
);
1608 BOOL shared
= (obj
->rsrc
!= NULL
);
1609 release_icon_ptr( hIcon
, obj
);
1610 ret
= (GetCursor() != hIcon
);
1611 if (!shared
) free_icon_handle( hIcon
);
1617 /***********************************************************************
1618 * DestroyCursor (USER32.@)
1620 BOOL WINAPI
DestroyCursor( HCURSOR hCursor
)
1622 return DestroyIcon( hCursor
);
1625 /***********************************************************************
1626 * DrawIcon (USER32.@)
1628 BOOL WINAPI
DrawIcon( HDC hdc
, INT x
, INT y
, HICON hIcon
)
1630 return DrawIconEx( hdc
, x
, y
, hIcon
, 0, 0, 0, 0, DI_NORMAL
| DI_COMPAT
| DI_DEFAULTSIZE
);
1633 /***********************************************************************
1634 * SetCursor (USER32.@)
1636 * Set the cursor shape.
1639 * A handle to the previous cursor shape.
1641 HCURSOR WINAPI DECLSPEC_HOTPATCH
SetCursor( HCURSOR hCursor
/* [in] Handle of cursor to show */ )
1643 struct cursoricon_object
*obj
;
1648 TRACE("%p\n", hCursor
);
1650 SERVER_START_REQ( set_cursor
)
1652 req
->flags
= SET_CURSOR_HANDLE
;
1653 req
->handle
= wine_server_user_handle( hCursor
);
1654 if ((ret
= !wine_server_call_err( req
)))
1656 hOldCursor
= wine_server_ptr_handle( reply
->prev_handle
);
1657 show_count
= reply
->prev_count
;
1663 USER_Driver
->pSetCursor( show_count
>= 0 ? hCursor
: 0 );
1665 if (!(obj
= get_icon_ptr( hOldCursor
))) return 0;
1666 release_icon_ptr( hOldCursor
, obj
);
1670 /***********************************************************************
1671 * ShowCursor (USER32.@)
1673 INT WINAPI DECLSPEC_HOTPATCH
ShowCursor( BOOL bShow
)
1676 int increment
= bShow
? 1 : -1;
1679 SERVER_START_REQ( set_cursor
)
1681 req
->flags
= SET_CURSOR_COUNT
;
1682 req
->show_count
= increment
;
1683 wine_server_call( req
);
1684 cursor
= wine_server_ptr_handle( reply
->prev_handle
);
1685 count
= reply
->prev_count
+ increment
;
1689 TRACE("%d, count=%d\n", bShow
, count
);
1691 if (bShow
&& !count
) USER_Driver
->pSetCursor( cursor
);
1692 else if (!bShow
&& count
== -1) USER_Driver
->pSetCursor( 0 );
1697 /***********************************************************************
1698 * GetCursor (USER32.@)
1700 HCURSOR WINAPI
GetCursor(void)
1704 SERVER_START_REQ( set_cursor
)
1707 wine_server_call( req
);
1708 ret
= wine_server_ptr_handle( reply
->prev_handle
);
1715 /***********************************************************************
1716 * ClipCursor (USER32.@)
1718 BOOL WINAPI DECLSPEC_HOTPATCH
ClipCursor( const RECT
*rect
)
1723 TRACE( "Clipping to %s\n", wine_dbgstr_rect(rect
) );
1725 if (rect
&& (rect
->left
> rect
->right
|| rect
->top
> rect
->bottom
)) return FALSE
;
1727 SERVER_START_REQ( set_cursor
)
1729 req
->clip_msg
= WM_WINE_CLIPCURSOR
;
1732 req
->flags
= SET_CURSOR_CLIP
;
1733 req
->clip
.left
= rect
->left
;
1734 req
->clip
.top
= rect
->top
;
1735 req
->clip
.right
= rect
->right
;
1736 req
->clip
.bottom
= rect
->bottom
;
1738 else req
->flags
= SET_CURSOR_NOCLIP
;
1740 if ((ret
= !wine_server_call( req
)))
1742 new_rect
.left
= reply
->new_clip
.left
;
1743 new_rect
.top
= reply
->new_clip
.top
;
1744 new_rect
.right
= reply
->new_clip
.right
;
1745 new_rect
.bottom
= reply
->new_clip
.bottom
;
1749 if (ret
) USER_Driver
->pClipCursor( &new_rect
);
1754 /***********************************************************************
1755 * GetClipCursor (USER32.@)
1757 BOOL WINAPI DECLSPEC_HOTPATCH
GetClipCursor( RECT
*rect
)
1761 if (!rect
) return FALSE
;
1763 SERVER_START_REQ( set_cursor
)
1766 if ((ret
= !wine_server_call( req
)))
1768 rect
->left
= reply
->new_clip
.left
;
1769 rect
->top
= reply
->new_clip
.top
;
1770 rect
->right
= reply
->new_clip
.right
;
1771 rect
->bottom
= reply
->new_clip
.bottom
;
1779 /***********************************************************************
1780 * SetSystemCursor (USER32.@)
1782 BOOL WINAPI
SetSystemCursor(HCURSOR hcur
, DWORD id
)
1784 FIXME("(%p,%08x),stub!\n", hcur
, id
);
1789 /**********************************************************************
1790 * LookupIconIdFromDirectoryEx (USER32.@)
1792 INT WINAPI
LookupIconIdFromDirectoryEx( LPBYTE xdir
, BOOL bIcon
,
1793 INT width
, INT height
, UINT cFlag
)
1795 const CURSORICONDIR
*dir
= (const CURSORICONDIR
*)xdir
;
1797 if( dir
&& !dir
->idReserved
&& (dir
->idType
& 3) )
1799 const CURSORICONDIRENTRY
* entry
;
1801 const HDC hdc
= GetDC(0);
1802 const int depth
= (cFlag
& LR_MONOCHROME
) ?
1803 1 : GetDeviceCaps(hdc
, BITSPIXEL
);
1807 entry
= CURSORICON_FindBestIconRes( dir
, width
, height
, depth
, LR_DEFAULTSIZE
);
1809 entry
= CURSORICON_FindBestCursorRes( dir
, width
, height
, depth
, LR_DEFAULTSIZE
);
1811 if( entry
) retVal
= entry
->wResId
;
1813 else WARN_(cursor
)("invalid resource directory\n");
1817 /**********************************************************************
1818 * LookupIconIdFromDirectory (USER32.@)
1820 INT WINAPI
LookupIconIdFromDirectory( LPBYTE dir
, BOOL bIcon
)
1822 return LookupIconIdFromDirectoryEx( dir
, bIcon
, 0, 0, bIcon
? 0 : LR_MONOCHROME
);
1825 /***********************************************************************
1826 * LoadCursorW (USER32.@)
1828 HCURSOR WINAPI
LoadCursorW(HINSTANCE hInstance
, LPCWSTR name
)
1830 TRACE("%p, %s\n", hInstance
, debugstr_w(name
));
1832 return LoadImageW( hInstance
, name
, IMAGE_CURSOR
, 0, 0,
1833 LR_SHARED
| LR_DEFAULTSIZE
);
1836 /***********************************************************************
1837 * LoadCursorA (USER32.@)
1839 HCURSOR WINAPI
LoadCursorA(HINSTANCE hInstance
, LPCSTR name
)
1841 TRACE("%p, %s\n", hInstance
, debugstr_a(name
));
1843 return LoadImageA( hInstance
, name
, IMAGE_CURSOR
, 0, 0,
1844 LR_SHARED
| LR_DEFAULTSIZE
);
1847 /***********************************************************************
1848 * LoadCursorFromFileW (USER32.@)
1850 HCURSOR WINAPI
LoadCursorFromFileW (LPCWSTR name
)
1852 TRACE("%s\n", debugstr_w(name
));
1854 return LoadImageW( 0, name
, IMAGE_CURSOR
, 0, 0,
1855 LR_LOADFROMFILE
| LR_DEFAULTSIZE
);
1858 /***********************************************************************
1859 * LoadCursorFromFileA (USER32.@)
1861 HCURSOR WINAPI
LoadCursorFromFileA (LPCSTR name
)
1863 TRACE("%s\n", debugstr_a(name
));
1865 return LoadImageA( 0, name
, IMAGE_CURSOR
, 0, 0,
1866 LR_LOADFROMFILE
| LR_DEFAULTSIZE
);
1869 /***********************************************************************
1870 * LoadIconW (USER32.@)
1872 HICON WINAPI
LoadIconW(HINSTANCE hInstance
, LPCWSTR name
)
1874 TRACE("%p, %s\n", hInstance
, debugstr_w(name
));
1876 return LoadImageW( hInstance
, name
, IMAGE_ICON
, 0, 0,
1877 LR_SHARED
| LR_DEFAULTSIZE
);
1880 /***********************************************************************
1881 * LoadIconA (USER32.@)
1883 HICON WINAPI
LoadIconA(HINSTANCE hInstance
, LPCSTR name
)
1885 TRACE("%p, %s\n", hInstance
, debugstr_a(name
));
1887 return LoadImageA( hInstance
, name
, IMAGE_ICON
, 0, 0,
1888 LR_SHARED
| LR_DEFAULTSIZE
);
1891 /**********************************************************************
1892 * GetCursorFrameInfo (USER32.@)
1895 * So far no use has been found for the second parameter, it is currently presumed
1896 * that this parameter is reserved for future use.
1899 * hCursor [I] Handle to cursor for which to retrieve information
1900 * reserved [I] No purpose has been found for this parameter (may be NULL)
1901 * istep [I] The step of the cursor for which to retrieve information
1902 * rate_jiffies [O] Pointer to DWORD that receives the frame-specific delay (cannot be NULL)
1903 * num_steps [O] Pointer to DWORD that receives the number of steps in the cursor (cannot be NULL)
1906 * Success: Handle to a frame of the cursor (specified by istep)
1907 * Failure: NULL cursor (0)
1909 HCURSOR WINAPI
GetCursorFrameInfo(HCURSOR hCursor
, DWORD reserved
, DWORD istep
, DWORD
*rate_jiffies
, DWORD
*num_steps
)
1911 struct cursoricon_object
*ptr
;
1915 if (rate_jiffies
== NULL
|| num_steps
== NULL
) return 0;
1917 if (!(ptr
= get_icon_ptr( hCursor
))) return 0;
1919 TRACE("%p => %d %d %p %p\n", hCursor
, reserved
, istep
, rate_jiffies
, num_steps
);
1921 FIXME("Second parameter non-zero (%d), please report this!\n", reserved
);
1923 icon_steps
= get_icon_steps(ptr
);
1924 if (istep
< icon_steps
|| !ptr
->is_ani
)
1926 struct animated_cursoricon_object
*ani_icon_data
= (struct animated_cursoricon_object
*) ptr
;
1927 UINT icon_frames
= 1;
1930 icon_frames
= ani_icon_data
->num_frames
;
1931 if (ptr
->is_ani
&& icon_frames
> 1)
1932 ret
= ani_icon_data
->frames
[istep
];
1935 if (icon_frames
== 1)
1940 else if (icon_steps
== 1)
1943 *rate_jiffies
= ptr
->delay
;
1945 else if (istep
< icon_steps
)
1947 struct cursoricon_frame
*frame
;
1949 *num_steps
= icon_steps
;
1950 frame
= get_icon_frame( ptr
, istep
);
1951 if (get_icon_steps(ptr
) == 1)
1954 *num_steps
= get_icon_steps(ptr
);
1955 /* If this specific frame does not have a delay then use the global delay */
1956 if (frame
->delay
== ~0)
1957 *rate_jiffies
= ptr
->delay
;
1959 *rate_jiffies
= frame
->delay
;
1960 release_icon_frame( ptr
, istep
, frame
);
1964 release_icon_ptr( hCursor
, ptr
);
1969 /**********************************************************************
1970 * GetIconInfo (USER32.@)
1972 BOOL WINAPI
GetIconInfo(HICON hIcon
, PICONINFO iconinfo
)
1976 infoW
.cbSize
= sizeof(infoW
);
1977 if (!GetIconInfoExW( hIcon
, &infoW
)) return FALSE
;
1978 iconinfo
->fIcon
= infoW
.fIcon
;
1979 iconinfo
->xHotspot
= infoW
.xHotspot
;
1980 iconinfo
->yHotspot
= infoW
.yHotspot
;
1981 iconinfo
->hbmColor
= infoW
.hbmColor
;
1982 iconinfo
->hbmMask
= infoW
.hbmMask
;
1986 /**********************************************************************
1987 * GetIconInfoExA (USER32.@)
1989 BOOL WINAPI
GetIconInfoExA( HICON icon
, ICONINFOEXA
*info
)
1993 if (info
->cbSize
!= sizeof(*info
))
1995 SetLastError( ERROR_INVALID_PARAMETER
);
1998 infoW
.cbSize
= sizeof(infoW
);
1999 if (!GetIconInfoExW( icon
, &infoW
)) return FALSE
;
2000 info
->fIcon
= infoW
.fIcon
;
2001 info
->xHotspot
= infoW
.xHotspot
;
2002 info
->yHotspot
= infoW
.yHotspot
;
2003 info
->hbmColor
= infoW
.hbmColor
;
2004 info
->hbmMask
= infoW
.hbmMask
;
2005 info
->wResID
= infoW
.wResID
;
2006 WideCharToMultiByte( CP_ACP
, 0, infoW
.szModName
, -1, info
->szModName
, MAX_PATH
, NULL
, NULL
);
2007 WideCharToMultiByte( CP_ACP
, 0, infoW
.szResName
, -1, info
->szResName
, MAX_PATH
, NULL
, NULL
);
2011 /**********************************************************************
2012 * GetIconInfoExW (USER32.@)
2014 BOOL WINAPI
GetIconInfoExW( HICON icon
, ICONINFOEXW
*info
)
2016 struct cursoricon_frame
*frame
;
2017 struct cursoricon_object
*ptr
;
2021 if (info
->cbSize
!= sizeof(*info
))
2023 SetLastError( ERROR_INVALID_PARAMETER
);
2026 if (!(ptr
= get_icon_ptr( icon
)))
2028 SetLastError( ERROR_INVALID_CURSOR_HANDLE
);
2032 frame
= get_icon_frame( ptr
, 0 );
2035 release_icon_ptr( icon
, ptr
);
2036 SetLastError( ERROR_INVALID_CURSOR_HANDLE
);
2040 TRACE("%p => %dx%d\n", icon
, frame
->width
, frame
->height
);
2042 info
->fIcon
= ptr
->is_icon
;
2043 info
->xHotspot
= ptr
->hotspot
.x
;
2044 info
->yHotspot
= ptr
->hotspot
.y
;
2045 info
->hbmColor
= copy_bitmap( frame
->color
);
2046 info
->hbmMask
= copy_bitmap( frame
->mask
);
2048 info
->szModName
[0] = 0;
2049 info
->szResName
[0] = 0;
2052 if (IS_INTRESOURCE( ptr
->resname
)) info
->wResID
= LOWORD( ptr
->resname
);
2053 else lstrcpynW( info
->szResName
, ptr
->resname
, MAX_PATH
);
2055 if (!info
->hbmMask
|| (!info
->hbmColor
&& frame
->color
))
2057 DeleteObject( info
->hbmMask
);
2058 DeleteObject( info
->hbmColor
);
2061 module
= ptr
->module
;
2062 release_icon_frame( ptr
, 0, frame
);
2063 release_icon_ptr( icon
, ptr
);
2064 if (ret
&& module
) GetModuleFileNameW( module
, info
->szModName
, MAX_PATH
);
2068 /* copy an icon bitmap, even when it can't be selected into a DC */
2069 /* helper for CreateIconIndirect */
2070 static void stretch_blt_icon( HDC hdc_dst
, int dst_x
, int dst_y
, int dst_width
, int dst_height
,
2071 HBITMAP src
, int width
, int height
)
2073 HDC hdc
= CreateCompatibleDC( 0 );
2075 if (!SelectObject( hdc
, src
)) /* do it the hard way */
2080 if (!(info
= HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO
, bmiColors
[256] )))) return;
2081 info
->bmiHeader
.biSize
= sizeof(BITMAPINFOHEADER
);
2082 info
->bmiHeader
.biWidth
= width
;
2083 info
->bmiHeader
.biHeight
= height
;
2084 info
->bmiHeader
.biPlanes
= GetDeviceCaps( hdc_dst
, PLANES
);
2085 info
->bmiHeader
.biBitCount
= GetDeviceCaps( hdc_dst
, BITSPIXEL
);
2086 info
->bmiHeader
.biCompression
= BI_RGB
;
2087 info
->bmiHeader
.biSizeImage
= height
* get_dib_width_bytes( width
, info
->bmiHeader
.biBitCount
);
2088 info
->bmiHeader
.biXPelsPerMeter
= 0;
2089 info
->bmiHeader
.biYPelsPerMeter
= 0;
2090 info
->bmiHeader
.biClrUsed
= 0;
2091 info
->bmiHeader
.biClrImportant
= 0;
2092 bits
= HeapAlloc( GetProcessHeap(), 0, info
->bmiHeader
.biSizeImage
);
2093 if (bits
&& GetDIBits( hdc
, src
, 0, height
, bits
, info
, DIB_RGB_COLORS
))
2094 StretchDIBits( hdc_dst
, dst_x
, dst_y
, dst_width
, dst_height
,
2095 0, 0, width
, height
, bits
, info
, DIB_RGB_COLORS
, SRCCOPY
);
2097 HeapFree( GetProcessHeap(), 0, bits
);
2098 HeapFree( GetProcessHeap(), 0, info
);
2100 else StretchBlt( hdc_dst
, dst_x
, dst_y
, dst_width
, dst_height
, hdc
, 0, 0, width
, height
, SRCCOPY
);
2105 /**********************************************************************
2106 * CreateIconIndirect (USER32.@)
2108 HICON WINAPI
CreateIconIndirect(PICONINFO iconinfo
)
2110 BITMAP bmpXor
, bmpAnd
;
2112 HBITMAP color
= 0, mask
;
2116 TRACE("color %p, mask %p, hotspot %ux%u, fIcon %d\n",
2117 iconinfo
->hbmColor
, iconinfo
->hbmMask
,
2118 iconinfo
->xHotspot
, iconinfo
->yHotspot
, iconinfo
->fIcon
);
2120 if (!iconinfo
->hbmMask
) return 0;
2122 GetObjectW( iconinfo
->hbmMask
, sizeof(bmpAnd
), &bmpAnd
);
2123 TRACE("mask: width %d, height %d, width bytes %d, planes %u, bpp %u\n",
2124 bmpAnd
.bmWidth
, bmpAnd
.bmHeight
, bmpAnd
.bmWidthBytes
,
2125 bmpAnd
.bmPlanes
, bmpAnd
.bmBitsPixel
);
2127 if (iconinfo
->hbmColor
)
2129 GetObjectW( iconinfo
->hbmColor
, sizeof(bmpXor
), &bmpXor
);
2130 TRACE("color: width %d, height %d, width bytes %d, planes %u, bpp %u\n",
2131 bmpXor
.bmWidth
, bmpXor
.bmHeight
, bmpXor
.bmWidthBytes
,
2132 bmpXor
.bmPlanes
, bmpXor
.bmBitsPixel
);
2134 width
= bmpXor
.bmWidth
;
2135 height
= bmpXor
.bmHeight
;
2136 if (bmpXor
.bmPlanes
* bmpXor
.bmBitsPixel
!= 1)
2138 color
= CreateCompatibleBitmap( screen_dc
, width
, height
);
2139 mask
= CreateBitmap( width
, height
, 1, 1, NULL
);
2141 else mask
= CreateBitmap( width
, height
* 2, 1, 1, NULL
);
2145 width
= bmpAnd
.bmWidth
;
2146 height
= bmpAnd
.bmHeight
;
2147 mask
= CreateBitmap( width
, height
, 1, 1, NULL
);
2150 hdc
= CreateCompatibleDC( 0 );
2151 SelectObject( hdc
, mask
);
2152 stretch_blt_icon( hdc
, 0, 0, width
, height
, iconinfo
->hbmMask
, bmpAnd
.bmWidth
, bmpAnd
.bmHeight
);
2156 SelectObject( hdc
, color
);
2157 stretch_blt_icon( hdc
, 0, 0, width
, height
, iconinfo
->hbmColor
, width
, height
);
2159 else if (iconinfo
->hbmColor
)
2161 stretch_blt_icon( hdc
, 0, height
, width
, height
, iconinfo
->hbmColor
, width
, height
);
2167 hObj
= alloc_icon_handle( FALSE
, 1 );
2170 struct cursoricon_object
*info
= get_icon_ptr( hObj
);
2171 struct cursoricon_frame
*frame
;
2173 info
->is_icon
= iconinfo
->fIcon
;
2174 frame
= get_icon_frame( info
, 0 );
2176 frame
->width
= width
;
2177 frame
->height
= height
;
2178 frame
->color
= color
;
2180 frame
->alpha
= create_alpha_bitmap( iconinfo
->hbmColor
, mask
, NULL
, NULL
);
2181 release_icon_frame( info
, 0, frame
);
2184 info
->hotspot
.x
= width
/ 2;
2185 info
->hotspot
.y
= height
/ 2;
2189 info
->hotspot
.x
= iconinfo
->xHotspot
;
2190 info
->hotspot
.y
= iconinfo
->yHotspot
;
2193 release_icon_ptr( hObj
, info
);
2194 USER_Driver
->pCreateCursorIcon( hObj
);
2199 /******************************************************************************
2200 * DrawIconEx (USER32.@) Draws an icon or cursor on device context
2203 * Why is this using SM_CXICON instead of SM_CXCURSOR?
2206 * hdc [I] Handle to device context
2207 * x0 [I] X coordinate of upper left corner
2208 * y0 [I] Y coordinate of upper left corner
2209 * hIcon [I] Handle to icon to draw
2210 * cxWidth [I] Width of icon
2211 * cyWidth [I] Height of icon
2212 * istep [I] Index of frame in animated cursor
2213 * hbr [I] Handle to background brush
2214 * flags [I] Icon-drawing flags
2220 BOOL WINAPI
DrawIconEx( HDC hdc
, INT x0
, INT y0
, HICON hIcon
,
2221 INT cxWidth
, INT cyWidth
, UINT istep
,
2222 HBRUSH hbr
, UINT flags
)
2224 struct cursoricon_frame
*frame
;
2225 struct cursoricon_object
*ptr
;
2226 HDC hdc_dest
, hMemDC
;
2227 BOOL result
= FALSE
, DoOffscreen
;
2229 COLORREF oldFg
, oldBg
;
2230 INT x
, y
, nStretchMode
;
2232 TRACE_(icon
)("(hdc=%p,pos=%d.%d,hicon=%p,extend=%d.%d,istep=%d,br=%p,flags=0x%08x)\n",
2233 hdc
,x0
,y0
,hIcon
,cxWidth
,cyWidth
,istep
,hbr
,flags
);
2235 if (!(ptr
= get_icon_ptr( hIcon
))) return FALSE
;
2236 if (istep
>= get_icon_steps( ptr
))
2238 TRACE_(icon
)("Stepped past end of animated frames=%d\n", istep
);
2239 release_icon_ptr( hIcon
, ptr
);
2242 if (!(frame
= get_icon_frame( ptr
, istep
)))
2244 FIXME_(icon
)("Error retrieving icon frame %d\n", istep
);
2245 release_icon_ptr( hIcon
, ptr
);
2248 if (!(hMemDC
= CreateCompatibleDC( hdc
)))
2250 release_icon_frame( ptr
, istep
, frame
);
2251 release_icon_ptr( hIcon
, ptr
);
2255 if (flags
& DI_NOMIRROR
)
2256 FIXME_(icon
)("Ignoring flag DI_NOMIRROR\n");
2258 /* Calculate the size of the destination image. */
2261 if (flags
& DI_DEFAULTSIZE
)
2262 cxWidth
= GetSystemMetrics (SM_CXICON
);
2264 cxWidth
= frame
->width
;
2268 if (flags
& DI_DEFAULTSIZE
)
2269 cyWidth
= GetSystemMetrics (SM_CYICON
);
2271 cyWidth
= frame
->height
;
2274 DoOffscreen
= (GetObjectType( hbr
) == OBJ_BRUSH
);
2284 if (!(hdc_dest
= CreateCompatibleDC(hdc
))) goto failed
;
2285 if (!(hB_off
= CreateCompatibleBitmap(hdc
, cxWidth
, cyWidth
)))
2287 DeleteDC( hdc_dest
);
2290 SelectObject(hdc_dest
, hB_off
);
2291 FillRect(hdc_dest
, &r
, hbr
);
2301 nStretchMode
= SetStretchBltMode (hdc
, STRETCH_DELETESCANS
);
2303 oldFg
= SetTextColor( hdc
, RGB(0,0,0) );
2304 oldBg
= SetBkColor( hdc
, RGB(255,255,255) );
2306 if (frame
->alpha
&& (flags
& DI_IMAGE
))
2308 BOOL is_mono
= FALSE
;
2310 if (GetObjectType( hdc_dest
) == OBJ_MEMDC
)
2313 HBITMAP bmp
= GetCurrentObject( hdc_dest
, OBJ_BITMAP
);
2314 is_mono
= GetObjectW( bmp
, sizeof(bm
), &bm
) && bm
.bmBitsPixel
== 1;
2318 BLENDFUNCTION pixelblend
= { AC_SRC_OVER
, 0, 255, AC_SRC_ALPHA
};
2319 SelectObject( hMemDC
, frame
->alpha
);
2320 if (GdiAlphaBlend( hdc_dest
, x
, y
, cxWidth
, cyWidth
, hMemDC
,
2321 0, 0, frame
->width
, frame
->height
,
2322 pixelblend
)) goto done
;
2326 if (flags
& DI_MASK
)
2328 SelectObject( hMemDC
, frame
->mask
);
2329 StretchBlt( hdc_dest
, x
, y
, cxWidth
, cyWidth
,
2330 hMemDC
, 0, 0, frame
->width
, frame
->height
, SRCAND
);
2333 if (flags
& DI_IMAGE
)
2337 DWORD rop
= (flags
& DI_MASK
) ? SRCINVERT
: SRCCOPY
;
2338 SelectObject( hMemDC
, frame
->color
);
2339 StretchBlt( hdc_dest
, x
, y
, cxWidth
, cyWidth
,
2340 hMemDC
, 0, 0, frame
->width
, frame
->height
, rop
);
2344 DWORD rop
= (flags
& DI_MASK
) ? SRCINVERT
: SRCCOPY
;
2345 SelectObject( hMemDC
, frame
->mask
);
2346 StretchBlt( hdc_dest
, x
, y
, cxWidth
, cyWidth
,
2347 hMemDC
, 0, frame
->height
, frame
->width
,
2348 frame
->height
, rop
);
2353 if (DoOffscreen
) BitBlt( hdc
, x0
, y0
, cxWidth
, cyWidth
, hdc_dest
, 0, 0, SRCCOPY
);
2355 SetTextColor( hdc
, oldFg
);
2356 SetBkColor( hdc
, oldBg
);
2357 SetStretchBltMode (hdc
, nStretchMode
);
2359 if (hdc_dest
!= hdc
) DeleteDC( hdc_dest
);
2360 if (hB_off
) DeleteObject(hB_off
);
2363 release_icon_frame( ptr
, istep
, frame
);
2364 release_icon_ptr( hIcon
, ptr
);
2368 /***********************************************************************
2369 * DIB_FixColorsToLoadflags
2371 * Change color table entries when LR_LOADTRANSPARENT or LR_LOADMAP3DCOLORS
2374 static void DIB_FixColorsToLoadflags(BITMAPINFO
* bmi
, UINT loadflags
, BYTE pix
)
2377 COLORREF c_W
, c_S
, c_F
, c_L
, c_C
;
2386 if (((bitmap_type
= DIB_GetBitmapInfo((BITMAPINFOHEADER
*) bmi
, &width
, &height
, &bpp
, &compr
)) == -1))
2388 WARN_(resource
)("Invalid bitmap\n");
2392 if (bpp
> 8) return;
2394 if (bitmap_type
== 0) /* BITMAPCOREHEADER */
2402 colors
= bmi
->bmiHeader
.biClrUsed
;
2403 if (colors
> 256) colors
= 256;
2404 if (!colors
&& (bpp
<= 8)) colors
= 1 << bpp
;
2407 c_W
= GetSysColor(COLOR_WINDOW
);
2408 c_S
= GetSysColor(COLOR_3DSHADOW
);
2409 c_F
= GetSysColor(COLOR_3DFACE
);
2410 c_L
= GetSysColor(COLOR_3DLIGHT
);
2412 if (loadflags
& LR_LOADTRANSPARENT
) {
2414 case 1: pix
= pix
>> 7; break;
2415 case 4: pix
= pix
>> 4; break;
2418 WARN_(resource
)("(%d): Unsupported depth\n", bpp
);
2421 if (pix
>= colors
) {
2422 WARN_(resource
)("pixel has color index greater than biClrUsed!\n");
2425 if (loadflags
& LR_LOADMAP3DCOLORS
) c_W
= c_F
;
2426 ptr
= (RGBQUAD
*)((char*)bmi
->bmiColors
+pix
*incr
);
2427 ptr
->rgbBlue
= GetBValue(c_W
);
2428 ptr
->rgbGreen
= GetGValue(c_W
);
2429 ptr
->rgbRed
= GetRValue(c_W
);
2431 if (loadflags
& LR_LOADMAP3DCOLORS
)
2432 for (i
=0; i
<colors
; i
++) {
2433 ptr
= (RGBQUAD
*)((char*)bmi
->bmiColors
+i
*incr
);
2434 c_C
= RGB(ptr
->rgbRed
, ptr
->rgbGreen
, ptr
->rgbBlue
);
2435 if (c_C
== RGB(128, 128, 128)) {
2436 ptr
->rgbRed
= GetRValue(c_S
);
2437 ptr
->rgbGreen
= GetGValue(c_S
);
2438 ptr
->rgbBlue
= GetBValue(c_S
);
2439 } else if (c_C
== RGB(192, 192, 192)) {
2440 ptr
->rgbRed
= GetRValue(c_F
);
2441 ptr
->rgbGreen
= GetGValue(c_F
);
2442 ptr
->rgbBlue
= GetBValue(c_F
);
2443 } else if (c_C
== RGB(223, 223, 223)) {
2444 ptr
->rgbRed
= GetRValue(c_L
);
2445 ptr
->rgbGreen
= GetGValue(c_L
);
2446 ptr
->rgbBlue
= GetBValue(c_L
);
2452 /**********************************************************************
2455 static HBITMAP
BITMAP_Load( HINSTANCE instance
, LPCWSTR name
,
2456 INT desiredx
, INT desiredy
, UINT loadflags
)
2458 HBITMAP hbitmap
= 0, orig_bm
;
2462 BITMAPINFO
*info
, *fix_info
= NULL
, *scaled_info
= NULL
;
2466 LONG width
, height
, new_width
, new_height
;
2468 DWORD compr_dummy
, offbits
= 0;
2470 HDC screen_mem_dc
= NULL
;
2472 if (!(loadflags
& LR_LOADFROMFILE
))
2476 /* OEM bitmap: try to load the resource from user32.dll */
2477 instance
= user32_module
;
2480 if (!(hRsrc
= FindResourceW( instance
, name
, (LPWSTR
)RT_BITMAP
))) return 0;
2481 if (!(handle
= LoadResource( instance
, hRsrc
))) return 0;
2483 if ((info
= LockResource( handle
)) == NULL
) return 0;
2487 BITMAPFILEHEADER
* bmfh
;
2489 if (!(ptr
= map_fileW( name
, NULL
))) return 0;
2490 info
= (BITMAPINFO
*)(ptr
+ sizeof(BITMAPFILEHEADER
));
2491 bmfh
= (BITMAPFILEHEADER
*)ptr
;
2492 if (bmfh
->bfType
!= 0x4d42 /* 'BM' */)
2494 WARN("Invalid/unsupported bitmap format!\n");
2497 if (bmfh
->bfOffBits
) offbits
= bmfh
->bfOffBits
- sizeof(BITMAPFILEHEADER
);
2500 bm_type
= DIB_GetBitmapInfo( &info
->bmiHeader
, &width
, &height
,
2501 &bpp_dummy
, &compr_dummy
);
2504 WARN("Invalid bitmap format!\n");
2508 size
= bitmap_info_size(info
, DIB_RGB_COLORS
);
2509 fix_info
= HeapAlloc(GetProcessHeap(), 0, size
);
2510 scaled_info
= HeapAlloc(GetProcessHeap(), 0, size
);
2512 if (!fix_info
|| !scaled_info
) goto end
;
2513 memcpy(fix_info
, info
, size
);
2515 pix
= *((LPBYTE
)info
+ size
);
2516 DIB_FixColorsToLoadflags(fix_info
, loadflags
, pix
);
2518 memcpy(scaled_info
, fix_info
, size
);
2521 new_width
= desiredx
;
2526 new_height
= height
> 0 ? desiredy
: -desiredy
;
2528 new_height
= height
;
2532 BITMAPCOREHEADER
*core
= (BITMAPCOREHEADER
*)&scaled_info
->bmiHeader
;
2533 core
->bcWidth
= new_width
;
2534 core
->bcHeight
= new_height
;
2538 /* Some sanity checks for BITMAPINFO (not applicable to BITMAPCOREINFO) */
2539 if (info
->bmiHeader
.biHeight
> 65535 || info
->bmiHeader
.biWidth
> 65535) {
2540 WARN("Broken BitmapInfoHeader!\n");
2544 scaled_info
->bmiHeader
.biWidth
= new_width
;
2545 scaled_info
->bmiHeader
.biHeight
= new_height
;
2548 if (new_height
< 0) new_height
= -new_height
;
2550 if (!screen_dc
) screen_dc
= CreateDCW( DISPLAYW
, NULL
, NULL
, NULL
);
2551 if (!(screen_mem_dc
= CreateCompatibleDC( screen_dc
))) goto end
;
2553 bits
= (char *)info
+ (offbits
? offbits
: size
);
2555 if (loadflags
& LR_CREATEDIBSECTION
)
2557 scaled_info
->bmiHeader
.biCompression
= 0; /* DIBSection can't be compressed */
2558 hbitmap
= CreateDIBSection(screen_dc
, scaled_info
, DIB_RGB_COLORS
, NULL
, 0, 0);
2562 if (is_dib_monochrome(fix_info
))
2563 hbitmap
= CreateBitmap(new_width
, new_height
, 1, 1, NULL
);
2565 hbitmap
= CreateCompatibleBitmap(screen_dc
, new_width
, new_height
);
2568 orig_bm
= SelectObject(screen_mem_dc
, hbitmap
);
2569 StretchDIBits(screen_mem_dc
, 0, 0, new_width
, new_height
, 0, 0, width
, height
, bits
, fix_info
, DIB_RGB_COLORS
, SRCCOPY
);
2570 SelectObject(screen_mem_dc
, orig_bm
);
2573 if (screen_mem_dc
) DeleteDC(screen_mem_dc
);
2574 HeapFree(GetProcessHeap(), 0, scaled_info
);
2575 HeapFree(GetProcessHeap(), 0, fix_info
);
2576 if (loadflags
& LR_LOADFROMFILE
) UnmapViewOfFile( ptr
);
2581 /**********************************************************************
2582 * LoadImageA (USER32.@)
2586 HANDLE WINAPI
LoadImageA( HINSTANCE hinst
, LPCSTR name
, UINT type
,
2587 INT desiredx
, INT desiredy
, UINT loadflags
)
2592 if (IS_INTRESOURCE(name
))
2593 return LoadImageW(hinst
, (LPCWSTR
)name
, type
, desiredx
, desiredy
, loadflags
);
2596 DWORD len
= MultiByteToWideChar( CP_ACP
, 0, name
, -1, NULL
, 0 );
2597 u_name
= HeapAlloc( GetProcessHeap(), 0, len
* sizeof(WCHAR
) );
2598 MultiByteToWideChar( CP_ACP
, 0, name
, -1, u_name
, len
);
2600 __EXCEPT_PAGE_FAULT
{
2601 SetLastError( ERROR_INVALID_PARAMETER
);
2605 res
= LoadImageW(hinst
, u_name
, type
, desiredx
, desiredy
, loadflags
);
2606 HeapFree(GetProcessHeap(), 0, u_name
);
2611 /******************************************************************************
2612 * LoadImageW (USER32.@) Loads an icon, cursor, or bitmap
2615 * hinst [I] Handle of instance that contains image
2616 * name [I] Name of image
2617 * type [I] Type of image
2618 * desiredx [I] Desired width
2619 * desiredy [I] Desired height
2620 * loadflags [I] Load flags
2623 * Success: Handle to newly loaded image
2626 * FIXME: Implementation lacks some features, see LR_ defines in winuser.h
2628 HANDLE WINAPI
LoadImageW( HINSTANCE hinst
, LPCWSTR name
, UINT type
,
2629 INT desiredx
, INT desiredy
, UINT loadflags
)
2631 TRACE_(resource
)("(%p,%s,%d,%d,%d,0x%08x)\n",
2632 hinst
,debugstr_w(name
),type
,desiredx
,desiredy
,loadflags
);
2634 if (loadflags
& LR_LOADFROMFILE
) loadflags
&= ~LR_SHARED
;
2637 return BITMAP_Load( hinst
, name
, desiredx
, desiredy
, loadflags
);
2640 if (!screen_dc
) screen_dc
= CreateDCW( DISPLAYW
, NULL
, NULL
, NULL
);
2643 return CURSORICON_Load(hinst
, name
, desiredx
, desiredy
,
2644 GetDeviceCaps(screen_dc
, BITSPIXEL
),
2650 return CURSORICON_Load(hinst
, name
, desiredx
, desiredy
,
2651 1, TRUE
, loadflags
);
2656 /******************************************************************************
2657 * CopyImage (USER32.@) Creates new image and copies attributes to it
2660 * hnd [I] Handle to image to copy
2661 * type [I] Type of image to copy
2662 * desiredx [I] Desired width of new image
2663 * desiredy [I] Desired height of new image
2664 * flags [I] Copy flags
2667 * Success: Handle to newly created image
2671 * Only Windows NT 4.0 supports the LR_COPYRETURNORG flag for bitmaps,
2672 * all other versions (95/2000/XP have been tested) ignore it.
2675 * If LR_CREATEDIBSECTION is absent, the copy will be monochrome for
2676 * a monochrome source bitmap or if LR_MONOCHROME is present, otherwise
2677 * the copy will have the same depth as the screen.
2678 * The content of the image will only be copied if the bit depth of the
2679 * original image is compatible with the bit depth of the screen, or
2680 * if the source is a DIB section.
2681 * The LR_MONOCHROME flag is ignored if LR_CREATEDIBSECTION is present.
2683 HANDLE WINAPI
CopyImage( HANDLE hnd
, UINT type
, INT desiredx
,
2684 INT desiredy
, UINT flags
)
2686 TRACE("hnd=%p, type=%u, desiredx=%d, desiredy=%d, flags=%x\n",
2687 hnd
, type
, desiredx
, desiredy
, flags
);
2698 objSize
= GetObjectW( hnd
, sizeof(ds
), &ds
);
2699 if (!objSize
) return 0;
2700 if ((desiredx
< 0) || (desiredy
< 0)) return 0;
2702 if (flags
& LR_COPYFROMRESOURCE
)
2704 FIXME("The flag LR_COPYFROMRESOURCE is not implemented for bitmaps\n");
2707 if (desiredx
== 0) desiredx
= ds
.dsBm
.bmWidth
;
2708 if (desiredy
== 0) desiredy
= ds
.dsBm
.bmHeight
;
2710 /* Allocate memory for a BITMAPINFOHEADER structure and a
2711 color table. The maximum number of colors in a color table
2712 is 256 which corresponds to a bitmap with depth 8.
2713 Bitmaps with higher depths don't have color tables. */
2714 bi
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(BITMAPINFOHEADER
) + 256 * sizeof(RGBQUAD
));
2717 bi
->bmiHeader
.biSize
= sizeof(bi
->bmiHeader
);
2718 bi
->bmiHeader
.biPlanes
= ds
.dsBm
.bmPlanes
;
2719 bi
->bmiHeader
.biBitCount
= ds
.dsBm
.bmBitsPixel
;
2720 bi
->bmiHeader
.biCompression
= BI_RGB
;
2722 if (flags
& LR_CREATEDIBSECTION
)
2724 /* Create a DIB section. LR_MONOCHROME is ignored */
2726 HDC dc
= CreateCompatibleDC(NULL
);
2728 if (objSize
== sizeof(DIBSECTION
))
2730 /* The source bitmap is a DIB.
2731 Get its attributes to create an exact copy */
2732 memcpy(bi
, &ds
.dsBmih
, sizeof(BITMAPINFOHEADER
));
2735 /* Get the color table or the color masks */
2736 GetDIBits(dc
, hnd
, 0, ds
.dsBm
.bmHeight
, NULL
, bi
, DIB_RGB_COLORS
);
2738 bi
->bmiHeader
.biWidth
= desiredx
;
2739 bi
->bmiHeader
.biHeight
= desiredy
;
2740 bi
->bmiHeader
.biSizeImage
= 0;
2742 res
= CreateDIBSection(dc
, bi
, DIB_RGB_COLORS
, &bits
, NULL
, 0);
2747 /* Create a device-dependent bitmap */
2749 BOOL monochrome
= (flags
& LR_MONOCHROME
);
2751 if (objSize
== sizeof(DIBSECTION
))
2753 /* The source bitmap is a DIB section.
2754 Get its attributes */
2755 HDC dc
= CreateCompatibleDC(NULL
);
2756 bi
->bmiHeader
.biSize
= sizeof(bi
->bmiHeader
);
2757 bi
->bmiHeader
.biBitCount
= ds
.dsBm
.bmBitsPixel
;
2758 GetDIBits(dc
, hnd
, 0, ds
.dsBm
.bmHeight
, NULL
, bi
, DIB_RGB_COLORS
);
2761 if (!monochrome
&& ds
.dsBm
.bmBitsPixel
== 1)
2763 /* Look if the colors of the DIB are black and white */
2766 (bi
->bmiColors
[0].rgbRed
== 0xff
2767 && bi
->bmiColors
[0].rgbGreen
== 0xff
2768 && bi
->bmiColors
[0].rgbBlue
== 0xff
2769 && bi
->bmiColors
[0].rgbReserved
== 0
2770 && bi
->bmiColors
[1].rgbRed
== 0
2771 && bi
->bmiColors
[1].rgbGreen
== 0
2772 && bi
->bmiColors
[1].rgbBlue
== 0
2773 && bi
->bmiColors
[1].rgbReserved
== 0)
2775 (bi
->bmiColors
[0].rgbRed
== 0
2776 && bi
->bmiColors
[0].rgbGreen
== 0
2777 && bi
->bmiColors
[0].rgbBlue
== 0
2778 && bi
->bmiColors
[0].rgbReserved
== 0
2779 && bi
->bmiColors
[1].rgbRed
== 0xff
2780 && bi
->bmiColors
[1].rgbGreen
== 0xff
2781 && bi
->bmiColors
[1].rgbBlue
== 0xff
2782 && bi
->bmiColors
[1].rgbReserved
== 0);
2785 else if (!monochrome
)
2787 monochrome
= ds
.dsBm
.bmBitsPixel
== 1;
2792 res
= CreateBitmap(desiredx
, desiredy
, 1, 1, NULL
);
2796 HDC screenDC
= GetDC(NULL
);
2797 res
= CreateCompatibleBitmap(screenDC
, desiredx
, desiredy
);
2798 ReleaseDC(NULL
, screenDC
);
2804 /* Only copy the bitmap if it's a DIB section or if it's
2805 compatible to the screen */
2808 if (objSize
== sizeof(DIBSECTION
))
2810 copyContents
= TRUE
;
2814 HDC screenDC
= GetDC(NULL
);
2815 int screen_depth
= GetDeviceCaps(screenDC
, BITSPIXEL
);
2816 ReleaseDC(NULL
, screenDC
);
2818 copyContents
= (ds
.dsBm
.bmBitsPixel
== 1 || ds
.dsBm
.bmBitsPixel
== screen_depth
);
2823 /* The source bitmap may already be selected in a device context,
2824 use GetDIBits/StretchDIBits and not StretchBlt */
2829 dc
= CreateCompatibleDC(NULL
);
2831 bi
->bmiHeader
.biWidth
= ds
.dsBm
.bmWidth
;
2832 bi
->bmiHeader
.biHeight
= ds
.dsBm
.bmHeight
;
2833 bi
->bmiHeader
.biSizeImage
= 0;
2834 bi
->bmiHeader
.biClrUsed
= 0;
2835 bi
->bmiHeader
.biClrImportant
= 0;
2837 /* Fill in biSizeImage */
2838 GetDIBits(dc
, hnd
, 0, ds
.dsBm
.bmHeight
, NULL
, bi
, DIB_RGB_COLORS
);
2839 bits
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, bi
->bmiHeader
.biSizeImage
);
2845 /* Get the image bits of the source bitmap */
2846 GetDIBits(dc
, hnd
, 0, ds
.dsBm
.bmHeight
, bits
, bi
, DIB_RGB_COLORS
);
2848 /* Copy it to the destination bitmap */
2849 oldBmp
= SelectObject(dc
, res
);
2850 StretchDIBits(dc
, 0, 0, desiredx
, desiredy
,
2851 0, 0, ds
.dsBm
.bmWidth
, ds
.dsBm
.bmHeight
,
2852 bits
, bi
, DIB_RGB_COLORS
, SRCCOPY
);
2853 SelectObject(dc
, oldBmp
);
2855 HeapFree(GetProcessHeap(), 0, bits
);
2861 if (flags
& LR_COPYDELETEORG
)
2866 HeapFree(GetProcessHeap(), 0, bi
);
2872 struct cursoricon_object
*icon
;
2874 int depth
= (flags
& LR_MONOCHROME
) ? 1 : GetDeviceCaps( screen_dc
, BITSPIXEL
);
2876 if (flags
& LR_DEFAULTSIZE
)
2878 if (!desiredx
) desiredx
= GetSystemMetrics( type
== IMAGE_ICON
? SM_CXICON
: SM_CXCURSOR
);
2879 if (!desiredy
) desiredy
= GetSystemMetrics( type
== IMAGE_ICON
? SM_CYICON
: SM_CYCURSOR
);
2882 if (!(icon
= get_icon_ptr( hnd
))) return 0;
2884 if (icon
->rsrc
&& (flags
& LR_COPYFROMRESOURCE
))
2885 res
= CURSORICON_Load( icon
->module
, icon
->resname
, desiredx
, desiredy
, depth
,
2886 type
== IMAGE_CURSOR
, flags
);
2888 res
= CopyIcon( hnd
); /* FIXME: change size if necessary */
2889 release_icon_ptr( hnd
, icon
);
2891 if (res
&& (flags
& LR_COPYDELETEORG
)) DeleteObject( hnd
);
2899 /******************************************************************************
2900 * LoadBitmapW (USER32.@) Loads bitmap from the executable file
2903 * Success: Handle to specified bitmap
2906 HBITMAP WINAPI
LoadBitmapW(
2907 HINSTANCE instance
, /* [in] Handle to application instance */
2908 LPCWSTR name
) /* [in] Address of bitmap resource name */
2910 return LoadImageW( instance
, name
, IMAGE_BITMAP
, 0, 0, 0 );
2913 /**********************************************************************
2914 * LoadBitmapA (USER32.@)
2918 HBITMAP WINAPI
LoadBitmapA( HINSTANCE instance
, LPCSTR name
)
2920 return LoadImageA( instance
, name
, IMAGE_BITMAP
, 0, 0, 0 );