2 * ImageList implementation
4 * Copyright 1998 Eric Kohl
5 * Copyright 2000 Jason Mawdsley
6 * Copyright 2001, 2004 Michael Stefaniuc
7 * Copyright 2001 Charles Loep for CodeWeavers
8 * Copyright 2002 Dimitrie O. Paun
9 * Copyright 2009 Owen Rudge for CodeWeavers
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; either
14 * version 2.1 of the License, or (at your option) any later version.
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
27 * This code was audited for completeness against the documented features
28 * of Comctl32.dll version 6.0 on Sep. 12, 2002, by Dimitrie O. Paun.
30 * Unless otherwise noted, we believe this code to be complete, as per
31 * the specification mentioned above.
32 * If you discover missing features, or bugs, please note them below.
35 * - Add support for ILD_PRESERVEALPHA, ILD_SCALE, ILD_DPISCALE
36 * - Add support for ILS_GLOW, ILS_SHADOW, ILS_SATURATE
37 * - Thread-safe locking
54 #include "commoncontrols.h"
55 #include "wine/debug.h"
56 #include "wine/exception.h"
58 WINE_DEFAULT_DEBUG_CHANNEL(imagelist);
60 #define MAX_OVERLAYIMAGE 15
64 const struct IImageListVtbl *lpVtbl; /* 00: IImageList vtable */
66 INT cCurImage; /* 04: ImageCount */
67 INT cMaxImage; /* 08: maximages */
68 INT cGrow; /* 0C: cGrow */
72 UINT flags; /* 1C: flags */
73 COLORREF clrFg; /* 20: foreground color */
74 COLORREF clrBk; /* 24: background color */
77 HBITMAP hbmImage; /* 28: images Bitmap */
78 HBITMAP hbmMask; /* 2C: masks Bitmap */
79 HDC hdcImage; /* 30: images MemDC */
80 HDC hdcMask; /* 34: masks MemDC */
81 INT nOvlIdx[MAX_OVERLAYIMAGE]; /* 38: overlay images index */
83 /* not yet found out */
90 LONG ref; /* reference count */
93 #define IMAGELIST_MAGIC 0x53414D58
95 /* Header used by ImageList_Read() and ImageList_Write() */
97 typedef struct _ILHEAD
112 /* internal image list data used for Drag & Drop operations */
117 HIMAGELIST himlNoCursor;
118 /* position of the drag image relative to the window */
121 /* offset of the hotspot relative to the origin of the image */
124 /* is the drag image visible */
126 /* saved background */
130 static INTERNALDRAG InternalDrag = { 0, 0, 0, 0, 0, 0, 0, FALSE, 0 };
132 static HBITMAP ImageList_CreateImage(HDC hdc, HIMAGELIST himl, UINT count);
133 static HRESULT ImageListImpl_CreateInstance(const IUnknown *pUnkOuter, REFIID iid, void** ppv);
134 static inline BOOL is_valid(HIMAGELIST himl);
137 * An imagelist with N images is tiled like this:
149 static inline UINT imagelist_height( UINT count )
151 return ((count + TILE_COUNT - 1)/TILE_COUNT);
154 static inline void imagelist_point_from_index( HIMAGELIST himl, UINT index, LPPOINT pt )
156 pt->x = (index%TILE_COUNT) * himl->cx;
157 pt->y = (index/TILE_COUNT) * himl->cy;
160 static inline void imagelist_get_bitmap_size( HIMAGELIST himl, UINT count, SIZE *sz )
162 sz->cx = himl->cx * TILE_COUNT;
163 sz->cy = imagelist_height( count ) * himl->cy;
166 static inline int get_dib_stride( int width, int bpp )
168 return ((width * bpp + 31) >> 3) & ~3;
171 static inline int get_dib_image_size( const BITMAPINFO *info )
173 return get_dib_stride( info->bmiHeader.biWidth, info->bmiHeader.biBitCount )
174 * abs( info->bmiHeader.biHeight );
178 * imagelist_copy_images()
180 * Copies a block of count images from offset src in the list to offset dest.
181 * Images are copied a row at at time. Assumes hdcSrc and hdcDest are different.
183 static inline void imagelist_copy_images( HIMAGELIST himl, HDC hdcSrc, HDC hdcDest,
184 UINT src, UINT count, UINT dest )
190 for ( i=0; i<TILE_COUNT; i++ )
192 imagelist_point_from_index( himl, src+i, &ptSrc );
193 imagelist_point_from_index( himl, dest+i, &ptDest );
195 sz.cy = himl->cy * imagelist_height( count - i );
197 BitBlt( hdcDest, ptDest.x, ptDest.y, sz.cx, sz.cy,
198 hdcSrc, ptSrc.x, ptSrc.y, SRCCOPY );
202 static void add_dib_bits( HIMAGELIST himl, int pos, int count, int width, int height,
203 BITMAPINFO *info, BITMAPINFO *mask_info, DWORD *bits, BYTE *mask_bits )
207 int stride = info->bmiHeader.biWidth;
208 int mask_stride = (info->bmiHeader.biWidth + 31) / 32 * 4;
210 for (n = 0; n < count; n++)
214 imagelist_point_from_index( himl, pos + n, &pt );
216 /* check if bitmap has an alpha channel */
217 for (i = 0; i < height && !has_alpha; i++)
218 for (j = n * width; j < (n + 1) * width; j++)
219 if ((has_alpha = ((bits[i * stride + j] & 0xff000000) != 0))) break;
221 if (!has_alpha) /* generate alpha channel from the mask */
223 for (i = 0; i < height; i++)
224 for (j = n * width; j < (n + 1) * width; j++)
225 if (!mask_info || !((mask_bits[i * mask_stride + j / 8] << (j % 8)) & 0x80))
226 bits[i * stride + j] |= 0xff000000;
228 bits[i * stride + j] = 0;
232 himl->has_alpha[pos + n] = 1;
234 if (mask_info && himl->hbmMask) /* generate the mask from the alpha channel */
236 for (i = 0; i < height; i++)
237 for (j = n * width; j < (n + 1) * width; j++)
238 if ((bits[i * stride + j] >> 24) > 25) /* more than 10% alpha */
239 mask_bits[i * mask_stride + j / 8] &= ~(0x80 >> (j % 8));
241 mask_bits[i * mask_stride + j / 8] |= 0x80 >> (j % 8);
244 StretchDIBits( himl->hdcImage, pt.x, pt.y, himl->cx, himl->cy,
245 n * width, 0, width, height, bits, info, DIB_RGB_COLORS, SRCCOPY );
247 StretchDIBits( himl->hdcMask, pt.x, pt.y, himl->cx, himl->cy,
248 n * width, 0, width, height, mask_bits, mask_info, DIB_RGB_COLORS, SRCCOPY );
252 /* add images with an alpha channel when the image list is 32 bpp */
253 static BOOL add_with_alpha( HIMAGELIST himl, HDC hdc, int pos, int count,
254 int width, int height, HBITMAP hbmImage, HBITMAP hbmMask )
258 BITMAPINFO *info, *mask_info = NULL;
260 BYTE *mask_bits = NULL;
263 if (!GetObjectW( hbmImage, sizeof(bm), &bm )) return FALSE;
265 /* if either the imagelist or the source bitmap don't have an alpha channel, bail out now */
266 if (!himl->has_alpha) return FALSE;
267 if (bm.bmBitsPixel != 32) return FALSE;
269 SelectObject( hdc, hbmImage );
270 mask_width = (bm.bmWidth + 31) / 32 * 4;
272 if (!(info = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO, bmiColors[256] )))) goto done;
273 info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
274 info->bmiHeader.biWidth = bm.bmWidth;
275 info->bmiHeader.biHeight = -height;
276 info->bmiHeader.biPlanes = 1;
277 info->bmiHeader.biBitCount = 32;
278 info->bmiHeader.biCompression = BI_RGB;
279 info->bmiHeader.biSizeImage = bm.bmWidth * height * 4;
280 info->bmiHeader.biXPelsPerMeter = 0;
281 info->bmiHeader.biYPelsPerMeter = 0;
282 info->bmiHeader.biClrUsed = 0;
283 info->bmiHeader.biClrImportant = 0;
284 if (!(bits = HeapAlloc( GetProcessHeap(), 0, info->bmiHeader.biSizeImage ))) goto done;
285 if (!GetDIBits( hdc, hbmImage, 0, height, bits, info, DIB_RGB_COLORS )) goto done;
289 if (!(mask_info = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO, bmiColors[2] ))))
291 mask_info->bmiHeader = info->bmiHeader;
292 mask_info->bmiHeader.biBitCount = 1;
293 mask_info->bmiHeader.biSizeImage = mask_width * height;
294 if (!(mask_bits = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, info->bmiHeader.biSizeImage )))
296 if (!GetDIBits( hdc, hbmMask, 0, height, mask_bits, mask_info, DIB_RGB_COLORS )) goto done;
299 add_dib_bits( himl, pos, count, width, height, info, mask_info, bits, mask_bits );
303 HeapFree( GetProcessHeap(), 0, info );
304 HeapFree( GetProcessHeap(), 0, mask_info );
305 HeapFree( GetProcessHeap(), 0, bits );
306 HeapFree( GetProcessHeap(), 0, mask_bits );
310 /*************************************************************************
311 * IMAGELIST_InternalExpandBitmaps [Internal]
313 * Expands the bitmaps of an image list by the given number of images.
316 * himl [I] handle to image list
317 * nImageCount [I] number of images to add
323 * This function CANNOT be used to reduce the number of images.
326 IMAGELIST_InternalExpandBitmaps(HIMAGELIST himl, INT nImageCount)
329 HBITMAP hbmNewBitmap, hbmNull;
333 TRACE("%p has allocated %d, max %d, grow %d images\n", himl, himl->cCurImage, himl->cMaxImage, himl->cGrow);
335 if (himl->cCurImage + nImageCount < himl->cMaxImage)
338 nNewCount = himl->cMaxImage + max(nImageCount, himl->cGrow) + 1;
340 imagelist_get_bitmap_size(himl, nNewCount, &sz);
342 TRACE("Create expanded bitmaps : himl=%p x=%d y=%d count=%d\n", himl, sz.cx, sz.cy, nNewCount);
343 hdcBitmap = CreateCompatibleDC (0);
345 hbmNewBitmap = ImageList_CreateImage(hdcBitmap, himl, nNewCount);
347 if (hbmNewBitmap == 0)
348 ERR("creating new image bitmap (x=%d y=%d)!\n", sz.cx, sz.cy);
352 hbmNull = SelectObject (hdcBitmap, hbmNewBitmap);
353 BitBlt (hdcBitmap, 0, 0, sz.cx, sz.cy,
354 himl->hdcImage, 0, 0, SRCCOPY);
355 SelectObject (hdcBitmap, hbmNull);
357 SelectObject (himl->hdcImage, hbmNewBitmap);
358 DeleteObject (himl->hbmImage);
359 himl->hbmImage = hbmNewBitmap;
361 if (himl->flags & ILC_MASK)
363 hbmNewBitmap = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
365 if (hbmNewBitmap == 0)
366 ERR("creating new mask bitmap!\n");
370 hbmNull = SelectObject (hdcBitmap, hbmNewBitmap);
371 BitBlt (hdcBitmap, 0, 0, sz.cx, sz.cy,
372 himl->hdcMask, 0, 0, SRCCOPY);
373 SelectObject (hdcBitmap, hbmNull);
375 SelectObject (himl->hdcMask, hbmNewBitmap);
376 DeleteObject (himl->hbmMask);
377 himl->hbmMask = hbmNewBitmap;
382 char *new_alpha = HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, himl->has_alpha, nNewCount );
383 if (new_alpha) himl->has_alpha = new_alpha;
386 HeapFree( GetProcessHeap(), 0, himl->has_alpha );
387 himl->has_alpha = NULL;
391 himl->cMaxImage = nNewCount;
393 DeleteDC (hdcBitmap);
397 /*************************************************************************
398 * ImageList_Add [COMCTL32.@]
400 * Add an image or images to an image list.
403 * himl [I] handle to image list
404 * hbmImage [I] handle to image bitmap
405 * hbmMask [I] handle to mask bitmap
408 * Success: Index of the first new image.
413 ImageList_Add (HIMAGELIST himl, HBITMAP hbmImage, HBITMAP hbmMask)
415 HDC hdcBitmap, hdcTemp = 0;
416 INT nFirstIndex, nImageCount, i;
420 TRACE("himl=%p hbmimage=%p hbmmask=%p\n", himl, hbmImage, hbmMask);
424 if (!GetObjectW(hbmImage, sizeof(BITMAP), &bmp))
427 TRACE("himl %p, cCurImage %d, cMaxImage %d, cGrow %d, cx %d, cy %d\n",
428 himl, himl->cCurImage, himl->cMaxImage, himl->cGrow, himl->cx, himl->cy);
430 nImageCount = bmp.bmWidth / himl->cx;
432 TRACE("%p has %d images (%d x %d)\n", hbmImage, nImageCount, bmp.bmWidth, bmp.bmHeight);
434 IMAGELIST_InternalExpandBitmaps(himl, nImageCount);
436 hdcBitmap = CreateCompatibleDC(0);
438 SelectObject(hdcBitmap, hbmImage);
440 if (add_with_alpha( himl, hdcBitmap, himl->cCurImage, nImageCount,
441 himl->cx, min( himl->cy, bmp.bmHeight), hbmImage, hbmMask ))
446 hdcTemp = CreateCompatibleDC(0);
447 SelectObject(hdcTemp, hbmMask);
450 for (i=0; i<nImageCount; i++)
452 imagelist_point_from_index( himl, himl->cCurImage + i, &pt );
454 /* Copy result to the imagelist
456 BitBlt( himl->hdcImage, pt.x, pt.y, himl->cx, bmp.bmHeight,
457 hdcBitmap, i*himl->cx, 0, SRCCOPY );
462 BitBlt( himl->hdcMask, pt.x, pt.y, himl->cx, bmp.bmHeight,
463 hdcTemp, i*himl->cx, 0, SRCCOPY );
465 /* Remove the background from the image
467 BitBlt( himl->hdcImage, pt.x, pt.y, himl->cx, bmp.bmHeight,
468 himl->hdcMask, pt.x, pt.y, 0x220326 ); /* NOTSRCAND */
470 if (hdcTemp) DeleteDC(hdcTemp);
475 nFirstIndex = himl->cCurImage;
476 himl->cCurImage += nImageCount;
482 /*************************************************************************
483 * ImageList_AddIcon [COMCTL32.@]
485 * Adds an icon to an image list.
488 * himl [I] handle to image list
489 * hIcon [I] handle to icon
492 * Success: index of the new image
495 #undef ImageList_AddIcon
496 INT WINAPI ImageList_AddIcon (HIMAGELIST himl, HICON hIcon)
498 return ImageList_ReplaceIcon (himl, -1, hIcon);
502 /*************************************************************************
503 * ImageList_AddMasked [COMCTL32.@]
505 * Adds an image or images to an image list and creates a mask from the
506 * specified bitmap using the mask color.
509 * himl [I] handle to image list.
510 * hBitmap [I] handle to bitmap
511 * clrMask [I] mask color.
514 * Success: Index of the first new image.
519 ImageList_AddMasked (HIMAGELIST himl, HBITMAP hBitmap, COLORREF clrMask)
521 HDC hdcMask, hdcBitmap;
527 TRACE("himl=%p hbitmap=%p clrmask=%x\n", himl, hBitmap, clrMask);
531 if (!GetObjectW(hBitmap, sizeof(BITMAP), &bmp))
534 hdcBitmap = CreateCompatibleDC(0);
535 SelectObject(hdcBitmap, hBitmap);
537 /* Create a temp Mask so we can remove the background of the Image */
538 hdcMask = CreateCompatibleDC(0);
539 hMaskBitmap = CreateBitmap(bmp.bmWidth, bmp.bmHeight, 1, 1, NULL);
540 SelectObject(hdcMask, hMaskBitmap);
542 /* create monochrome image to the mask bitmap */
543 bkColor = (clrMask != CLR_DEFAULT) ? clrMask : GetPixel (hdcBitmap, 0, 0);
544 SetBkColor (hdcBitmap, bkColor);
545 BitBlt (hdcMask, 0, 0, bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
548 * Remove the background from the image
550 * WINDOWS BUG ALERT!!!!!!
551 * The statement below should not be done in common practice
552 * but this is how ImageList_AddMasked works in Windows.
553 * It overwrites the original bitmap passed, this was discovered
554 * by using the same bitmap to iterate the different styles
555 * on windows where it failed (BUT ImageList_Add is OK)
556 * This is here in case some apps rely on this bug
558 * Blt mode 0x220326 is NOTSRCAND
560 if (bmp.bmBitsPixel > 8) /* NOTSRCAND can't work with palettes */
562 SetBkColor(hdcBitmap, RGB(255,255,255));
563 BitBlt(hdcBitmap, 0, 0, bmp.bmWidth, bmp.bmHeight, hdcMask, 0, 0, 0x220326);
569 ret = ImageList_Add( himl, hBitmap, hMaskBitmap );
571 DeleteObject(hMaskBitmap);
576 /*************************************************************************
577 * ImageList_BeginDrag [COMCTL32.@]
579 * Creates a temporary image list that contains one image. It will be used
583 * himlTrack [I] handle to the source image list
584 * iTrack [I] index of the drag image in the source image list
585 * dxHotspot [I] X position of the hot spot of the drag image
586 * dyHotspot [I] Y position of the hot spot of the drag image
594 ImageList_BeginDrag (HIMAGELIST himlTrack, INT iTrack,
595 INT dxHotspot, INT dyHotspot)
599 TRACE("(himlTrack=%p iTrack=%d dx=%d dy=%d)\n", himlTrack, iTrack,
600 dxHotspot, dyHotspot);
602 if (!is_valid(himlTrack))
605 if (InternalDrag.himl)
606 ImageList_EndDrag ();
611 InternalDrag.himlNoCursor = InternalDrag.himl = ImageList_Create (cx, cy, himlTrack->flags, 1, 1);
612 if (InternalDrag.himl == NULL) {
613 WARN("Error creating drag image list!\n");
617 InternalDrag.dxHotspot = dxHotspot;
618 InternalDrag.dyHotspot = dyHotspot;
621 BitBlt (InternalDrag.himl->hdcImage, 0, 0, cx, cy, himlTrack->hdcImage, iTrack * cx, 0, SRCCOPY);
624 BitBlt (InternalDrag.himl->hdcMask, 0, 0, cx, cy, himlTrack->hdcMask, iTrack * cx, 0, SRCCOPY);
626 InternalDrag.himl->cCurImage = 1;
632 /*************************************************************************
633 * ImageList_Copy [COMCTL32.@]
635 * Copies an image of the source image list to an image of the
636 * destination image list. Images can be copied or swapped.
639 * himlDst [I] handle to the destination image list
640 * iDst [I] destination image index.
641 * himlSrc [I] handle to the source image list
642 * iSrc [I] source image index
643 * uFlags [I] flags for the copy operation
650 * Copying from one image list to another is possible. The original
651 * implementation just copies or swaps within one image list.
652 * Could this feature become a bug??? ;-)
656 ImageList_Copy (HIMAGELIST himlDst, INT iDst, HIMAGELIST himlSrc,
657 INT iSrc, UINT uFlags)
661 TRACE("himlDst=%p iDst=%d himlSrc=%p iSrc=%d\n", himlDst, iDst, himlSrc, iSrc);
663 if (!is_valid(himlSrc) || !is_valid(himlDst))
665 if ((iDst < 0) || (iDst >= himlDst->cCurImage))
667 if ((iSrc < 0) || (iSrc >= himlSrc->cCurImage))
670 imagelist_point_from_index( himlDst, iDst, &ptDst );
671 imagelist_point_from_index( himlSrc, iSrc, &ptSrc );
673 if (uFlags & ILCF_SWAP) {
676 HBITMAP hbmTempImage, hbmTempMask;
678 hdcBmp = CreateCompatibleDC (0);
680 /* create temporary bitmaps */
681 hbmTempImage = CreateBitmap (himlSrc->cx, himlSrc->cy, 1,
682 himlSrc->uBitsPixel, NULL);
683 hbmTempMask = CreateBitmap (himlSrc->cx, himlSrc->cy, 1,
686 /* copy (and stretch) destination to temporary bitmaps.(save) */
688 SelectObject (hdcBmp, hbmTempImage);
689 StretchBlt (hdcBmp, 0, 0, himlSrc->cx, himlSrc->cy,
690 himlDst->hdcImage, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
693 SelectObject (hdcBmp, hbmTempMask);
694 StretchBlt (hdcBmp, 0, 0, himlSrc->cx, himlSrc->cy,
695 himlDst->hdcMask, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
698 /* copy (and stretch) source to destination */
700 StretchBlt (himlDst->hdcImage, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
701 himlSrc->hdcImage, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
704 StretchBlt (himlDst->hdcMask, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
705 himlSrc->hdcMask, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
708 /* copy (without stretching) temporary bitmaps to source (restore) */
710 BitBlt (himlSrc->hdcMask, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
711 hdcBmp, 0, 0, SRCCOPY);
714 BitBlt (himlSrc->hdcImage, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
715 hdcBmp, 0, 0, SRCCOPY);
716 /* delete temporary bitmaps */
717 DeleteObject (hbmTempMask);
718 DeleteObject (hbmTempImage);
723 StretchBlt (himlDst->hdcImage, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
724 himlSrc->hdcImage, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
728 StretchBlt (himlDst->hdcMask, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
729 himlSrc->hdcMask, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
737 /*************************************************************************
738 * ImageList_Create [COMCTL32.@]
740 * Creates a new image list.
743 * cx [I] image height
745 * flags [I] creation flags
746 * cInitial [I] initial number of images in the image list
747 * cGrow [I] number of images by which image list grows
750 * Success: Handle to the created image list
754 ImageList_Create (INT cx, INT cy, UINT flags,
755 INT cInitial, INT cGrow)
760 UINT ilc = (flags & 0xFE);
761 static const WORD aBitBlend25[] =
762 {0xAA, 0x00, 0x55, 0x00, 0xAA, 0x00, 0x55, 0x00};
764 static const WORD aBitBlend50[] =
765 {0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA};
767 TRACE("(%d %d 0x%x %d %d)\n", cx, cy, flags, cInitial, cGrow);
769 if (cx <= 0 || cy <= 0) return NULL;
771 /* Create the IImageList interface for the image list */
772 if (FAILED(ImageListImpl_CreateInstance(NULL, &IID_IImageList, (void **)&himl)))
775 cGrow = (WORD)((max( cGrow, 1 ) + 3) & ~3);
779 /* Windows doesn't limit the size here, but X11 doesn't let us allocate such huge bitmaps */
780 WARN( "grow %d too large, limiting to 256\n", cGrow );
787 himl->cMaxImage = cInitial + 1;
788 himl->cInitial = cInitial;
790 himl->clrFg = CLR_DEFAULT;
791 himl->clrBk = CLR_NONE;
793 /* initialize overlay mask indices */
794 for (nCount = 0; nCount < MAX_OVERLAYIMAGE; nCount++)
795 himl->nOvlIdx[nCount] = -1;
797 /* Create Image & Mask DCs */
798 himl->hdcImage = CreateCompatibleDC (0);
801 if (himl->flags & ILC_MASK){
802 himl->hdcMask = CreateCompatibleDC(0);
807 /* Default to ILC_COLOR4 if none of the ILC_COLOR* flags are specified */
808 if (ilc == ILC_COLOR)
811 himl->flags |= ILC_COLOR4;
814 if (ilc >= ILC_COLOR4 && ilc <= ILC_COLOR32)
815 himl->uBitsPixel = ilc;
817 himl->uBitsPixel = (UINT)GetDeviceCaps (himl->hdcImage, BITSPIXEL);
819 if (himl->cMaxImage > 0) {
820 himl->hbmImage = ImageList_CreateImage(himl->hdcImage, himl, himl->cMaxImage);
821 SelectObject(himl->hdcImage, himl->hbmImage);
825 if ((himl->cMaxImage > 0) && (himl->flags & ILC_MASK)) {
828 imagelist_get_bitmap_size(himl, himl->cMaxImage, &sz);
829 himl->hbmMask = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
830 if (himl->hbmMask == 0) {
831 ERR("Error creating mask bitmap!\n");
834 SelectObject(himl->hdcMask, himl->hbmMask);
839 if (ilc == ILC_COLOR32)
840 himl->has_alpha = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, himl->cMaxImage );
842 himl->has_alpha = NULL;
844 /* create blending brushes */
845 hbmTemp = CreateBitmap (8, 8, 1, 1, aBitBlend25);
846 himl->hbrBlend25 = CreatePatternBrush (hbmTemp);
847 DeleteObject (hbmTemp);
849 hbmTemp = CreateBitmap (8, 8, 1, 1, aBitBlend50);
850 himl->hbrBlend50 = CreatePatternBrush (hbmTemp);
851 DeleteObject (hbmTemp);
853 TRACE("created imagelist %p\n", himl);
857 ImageList_Destroy(himl);
862 /*************************************************************************
863 * ImageList_Destroy [COMCTL32.@]
865 * Destroys an image list.
868 * himl [I] handle to image list
876 ImageList_Destroy (HIMAGELIST himl)
881 IImageList_Release((IImageList *) himl);
886 /*************************************************************************
887 * ImageList_DragEnter [COMCTL32.@]
889 * Locks window update and displays the drag image at the given position.
892 * hwndLock [I] handle of the window that owns the drag image.
893 * x [I] X position of the drag image.
894 * y [I] Y position of the drag image.
901 * The position of the drag image is relative to the window, not
906 ImageList_DragEnter (HWND hwndLock, INT x, INT y)
908 TRACE("(hwnd=%p x=%d y=%d)\n", hwndLock, x, y);
910 if (!is_valid(InternalDrag.himl))
914 InternalDrag.hwnd = hwndLock;
916 InternalDrag.hwnd = GetDesktopWindow ();
921 /* draw the drag image and save the background */
922 if (!ImageList_DragShowNolock(TRUE)) {
930 /*************************************************************************
931 * ImageList_DragLeave [COMCTL32.@]
933 * Unlocks window update and hides the drag image.
936 * hwndLock [I] handle of the window that owns the drag image.
944 ImageList_DragLeave (HWND hwndLock)
946 /* As we don't save drag info in the window this can lead to problems if
947 an app does not supply the same window as DragEnter */
949 InternalDrag.hwnd = hwndLock;
951 InternalDrag.hwnd = GetDesktopWindow (); */
953 hwndLock = GetDesktopWindow();
954 if(InternalDrag.hwnd != hwndLock)
955 FIXME("DragLeave hWnd != DragEnter hWnd\n");
957 ImageList_DragShowNolock (FALSE);
963 /*************************************************************************
964 * ImageList_InternalDragDraw [Internal]
966 * Draws the drag image.
969 * hdc [I] device context to draw into.
970 * x [I] X position of the drag image.
971 * y [I] Y position of the drag image.
978 * The position of the drag image is relative to the window, not
984 ImageList_InternalDragDraw (HDC hdc, INT x, INT y)
986 IMAGELISTDRAWPARAMS imldp;
988 ZeroMemory (&imldp, sizeof(imldp));
989 imldp.cbSize = sizeof(imldp);
990 imldp.himl = InternalDrag.himl;
995 imldp.rgbBk = CLR_DEFAULT;
996 imldp.rgbFg = CLR_DEFAULT;
997 imldp.fStyle = ILD_NORMAL;
998 imldp.fState = ILS_ALPHA;
1000 ImageList_DrawIndirect (&imldp);
1003 /*************************************************************************
1004 * ImageList_DragMove [COMCTL32.@]
1006 * Moves the drag image.
1009 * x [I] X position of the drag image.
1010 * y [I] Y position of the drag image.
1017 * The position of the drag image is relative to the window, not
1022 ImageList_DragMove (INT x, INT y)
1024 TRACE("(x=%d y=%d)\n", x, y);
1026 if (!is_valid(InternalDrag.himl))
1029 /* draw/update the drag image */
1030 if (InternalDrag.bShow) {
1034 HBITMAP hbmOffScreen;
1035 INT origNewX, origNewY;
1036 INT origOldX, origOldY;
1037 INT origRegX, origRegY;
1038 INT sizeRegX, sizeRegY;
1041 /* calculate the update region */
1042 origNewX = x - InternalDrag.dxHotspot;
1043 origNewY = y - InternalDrag.dyHotspot;
1044 origOldX = InternalDrag.x - InternalDrag.dxHotspot;
1045 origOldY = InternalDrag.y - InternalDrag.dyHotspot;
1046 origRegX = min(origNewX, origOldX);
1047 origRegY = min(origNewY, origOldY);
1048 sizeRegX = InternalDrag.himl->cx + abs(x - InternalDrag.x);
1049 sizeRegY = InternalDrag.himl->cy + abs(y - InternalDrag.y);
1051 hdcDrag = GetDCEx(InternalDrag.hwnd, 0,
1052 DCX_WINDOW | DCX_CACHE | DCX_LOCKWINDOWUPDATE);
1053 hdcOffScreen = CreateCompatibleDC(hdcDrag);
1054 hdcBg = CreateCompatibleDC(hdcDrag);
1056 hbmOffScreen = CreateCompatibleBitmap(hdcDrag, sizeRegX, sizeRegY);
1057 SelectObject(hdcOffScreen, hbmOffScreen);
1058 SelectObject(hdcBg, InternalDrag.hbmBg);
1060 /* get the actual background of the update region */
1061 BitBlt(hdcOffScreen, 0, 0, sizeRegX, sizeRegY, hdcDrag,
1062 origRegX, origRegY, SRCCOPY);
1063 /* erase the old image */
1064 BitBlt(hdcOffScreen, origOldX - origRegX, origOldY - origRegY,
1065 InternalDrag.himl->cx, InternalDrag.himl->cy, hdcBg, 0, 0,
1067 /* save the background */
1068 BitBlt(hdcBg, 0, 0, InternalDrag.himl->cx, InternalDrag.himl->cy,
1069 hdcOffScreen, origNewX - origRegX, origNewY - origRegY, SRCCOPY);
1070 /* draw the image */
1071 ImageList_InternalDragDraw(hdcOffScreen, origNewX - origRegX,
1072 origNewY - origRegY);
1073 /* draw the update region to the screen */
1074 BitBlt(hdcDrag, origRegX, origRegY, sizeRegX, sizeRegY,
1075 hdcOffScreen, 0, 0, SRCCOPY);
1078 DeleteDC(hdcOffScreen);
1079 DeleteObject(hbmOffScreen);
1080 ReleaseDC(InternalDrag.hwnd, hdcDrag);
1083 /* update the image position */
1091 /*************************************************************************
1092 * ImageList_DragShowNolock [COMCTL32.@]
1094 * Shows or hides the drag image.
1097 * bShow [I] TRUE shows the drag image, FALSE hides it.
1105 ImageList_DragShowNolock (BOOL bShow)
1111 if (!is_valid(InternalDrag.himl))
1114 TRACE("bShow=0x%X!\n", bShow);
1116 /* DragImage is already visible/hidden */
1117 if ((InternalDrag.bShow && bShow) || (!InternalDrag.bShow && !bShow)) {
1121 /* position of the origin of the DragImage */
1122 x = InternalDrag.x - InternalDrag.dxHotspot;
1123 y = InternalDrag.y - InternalDrag.dyHotspot;
1125 hdcDrag = GetDCEx (InternalDrag.hwnd, 0,
1126 DCX_WINDOW | DCX_CACHE | DCX_LOCKWINDOWUPDATE);
1131 hdcBg = CreateCompatibleDC(hdcDrag);
1132 if (!InternalDrag.hbmBg) {
1133 InternalDrag.hbmBg = CreateCompatibleBitmap(hdcDrag,
1134 InternalDrag.himl->cx, InternalDrag.himl->cy);
1136 SelectObject(hdcBg, InternalDrag.hbmBg);
1139 /* save the background */
1140 BitBlt(hdcBg, 0, 0, InternalDrag.himl->cx, InternalDrag.himl->cy,
1141 hdcDrag, x, y, SRCCOPY);
1142 /* show the image */
1143 ImageList_InternalDragDraw(hdcDrag, x, y);
1145 /* hide the image */
1146 BitBlt(hdcDrag, x, y, InternalDrag.himl->cx, InternalDrag.himl->cy,
1147 hdcBg, 0, 0, SRCCOPY);
1150 InternalDrag.bShow = !InternalDrag.bShow;
1153 ReleaseDC (InternalDrag.hwnd, hdcDrag);
1158 /*************************************************************************
1159 * ImageList_Draw [COMCTL32.@]
1164 * himl [I] handle to image list
1166 * hdc [I] handle to device context
1169 * fStyle [I] drawing flags
1180 ImageList_Draw (HIMAGELIST himl, INT i, HDC hdc, INT x, INT y, UINT fStyle)
1182 return ImageList_DrawEx (himl, i, hdc, x, y, 0, 0,
1183 CLR_DEFAULT, CLR_DEFAULT, fStyle);
1187 /*************************************************************************
1188 * ImageList_DrawEx [COMCTL32.@]
1190 * Draws an image and allows using extended drawing features.
1193 * himl [I] handle to image list
1195 * hdc [I] handle to device context
1200 * rgbBk [I] background color
1201 * rgbFg [I] foreground color
1202 * fStyle [I] drawing flags
1209 * Calls ImageList_DrawIndirect.
1212 * ImageList_DrawIndirect.
1216 ImageList_DrawEx (HIMAGELIST himl, INT i, HDC hdc, INT x, INT y,
1217 INT dx, INT dy, COLORREF rgbBk, COLORREF rgbFg,
1220 IMAGELISTDRAWPARAMS imldp;
1222 ZeroMemory (&imldp, sizeof(imldp));
1223 imldp.cbSize = sizeof(imldp);
1231 imldp.rgbBk = rgbBk;
1232 imldp.rgbFg = rgbFg;
1233 imldp.fStyle = fStyle;
1235 return ImageList_DrawIndirect (&imldp);
1239 static BOOL alpha_blend_image( HIMAGELIST himl, HDC dest_dc, int dest_x, int dest_y,
1240 int src_x, int src_y, int cx, int cy, BLENDFUNCTION func,
1241 UINT style, COLORREF blend_col )
1245 HBITMAP bmp = 0, mask = 0;
1247 void *bits, *mask_bits;
1251 if (!(hdc = CreateCompatibleDC( 0 ))) return FALSE;
1252 if (!(info = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO, bmiColors[256] )))) goto done;
1253 info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
1254 info->bmiHeader.biWidth = cx;
1255 info->bmiHeader.biHeight = cy;
1256 info->bmiHeader.biPlanes = 1;
1257 info->bmiHeader.biBitCount = 32;
1258 info->bmiHeader.biCompression = BI_RGB;
1259 info->bmiHeader.biSizeImage = cx * cy * 4;
1260 info->bmiHeader.biXPelsPerMeter = 0;
1261 info->bmiHeader.biYPelsPerMeter = 0;
1262 info->bmiHeader.biClrUsed = 0;
1263 info->bmiHeader.biClrImportant = 0;
1264 if (!(bmp = CreateDIBSection( himl->hdcImage, info, DIB_RGB_COLORS, &bits, 0, 0 ))) goto done;
1265 SelectObject( hdc, bmp );
1266 BitBlt( hdc, 0, 0, cx, cy, himl->hdcImage, src_x, src_y, SRCCOPY );
1268 if (blend_col != CLR_NONE)
1270 BYTE r = GetRValue( blend_col );
1271 BYTE g = GetGValue( blend_col );
1272 BYTE b = GetBValue( blend_col );
1274 if (style & ILD_BLEND25)
1276 for (i = 0, ptr = bits; i < cx * cy; i++, ptr++)
1277 *ptr = ((*ptr & 0xff000000) |
1278 ((((*ptr & 0x00ff0000) * 3 + (r << 16)) / 4) & 0x00ff0000) |
1279 ((((*ptr & 0x0000ff00) * 3 + (g << 8)) / 4) & 0x0000ff00) |
1280 ((((*ptr & 0x000000ff) * 3 + (b << 0)) / 4) & 0x000000ff));
1282 else if (style & ILD_BLEND50)
1284 for (i = 0, ptr = bits; i < cx * cy; i++, ptr++)
1285 *ptr = ((*ptr & 0xff000000) |
1286 ((((*ptr & 0x00ff0000) + (r << 16)) / 2) & 0x00ff0000) |
1287 ((((*ptr & 0x0000ff00) + (g << 8)) / 2) & 0x0000ff00) |
1288 ((((*ptr & 0x000000ff) + (b << 0)) / 2) & 0x000000ff));
1292 if (himl->has_alpha) /* we already have an alpha channel in this case */
1294 /* pre-multiply by the alpha channel */
1295 for (i = 0, ptr = bits; i < cx * cy; i++, ptr++)
1297 DWORD alpha = *ptr >> 24;
1298 *ptr = ((*ptr & 0xff000000) |
1299 (((*ptr & 0x00ff0000) * alpha / 255) & 0x00ff0000) |
1300 (((*ptr & 0x0000ff00) * alpha / 255) & 0x0000ff00) |
1301 (((*ptr & 0x000000ff) * alpha / 255)));
1304 else if (himl->hbmMask)
1306 unsigned int width_bytes = (cx + 31) / 32 * 4;
1307 /* generate alpha channel from the mask */
1308 info->bmiHeader.biBitCount = 1;
1309 info->bmiHeader.biSizeImage = width_bytes * cy;
1310 info->bmiColors[0].rgbRed = 0;
1311 info->bmiColors[0].rgbGreen = 0;
1312 info->bmiColors[0].rgbBlue = 0;
1313 info->bmiColors[0].rgbReserved = 0;
1314 info->bmiColors[1].rgbRed = 0xff;
1315 info->bmiColors[1].rgbGreen = 0xff;
1316 info->bmiColors[1].rgbBlue = 0xff;
1317 info->bmiColors[1].rgbReserved = 0;
1318 if (!(mask = CreateDIBSection( himl->hdcMask, info, DIB_RGB_COLORS, &mask_bits, 0, 0 )))
1320 SelectObject( hdc, mask );
1321 BitBlt( hdc, 0, 0, cx, cy, himl->hdcMask, src_x, src_y, SRCCOPY );
1322 SelectObject( hdc, bmp );
1323 for (i = 0, ptr = bits; i < cy; i++)
1324 for (j = 0; j < cx; j++, ptr++)
1325 if ((((BYTE *)mask_bits)[i * width_bytes + j / 8] << (j % 8)) & 0x80) *ptr = 0;
1326 else *ptr |= 0xff000000;
1329 ret = GdiAlphaBlend( dest_dc, dest_x, dest_y, cx, cy, hdc, 0, 0, cx, cy, func );
1333 if (bmp) DeleteObject( bmp );
1334 if (mask) DeleteObject( mask );
1335 HeapFree( GetProcessHeap(), 0, info );
1339 /*************************************************************************
1340 * ImageList_DrawIndirect [COMCTL32.@]
1342 * Draws an image using various parameters specified in pimldp.
1345 * pimldp [I] pointer to IMAGELISTDRAWPARAMS structure.
1353 ImageList_DrawIndirect (IMAGELISTDRAWPARAMS *pimldp)
1355 INT cx, cy, nOvlIdx;
1356 DWORD fState, dwRop;
1358 COLORREF oldImageBk, oldImageFg;
1359 HDC hImageDC, hImageListDC, hMaskListDC;
1360 HBITMAP hImageBmp, hOldImageBmp, hBlendMaskBmp;
1361 BOOL bIsTransparent, bBlend, bResult = FALSE, bMask;
1367 if (!pimldp || !(himl = pimldp->himl)) return FALSE;
1368 if (!is_valid(himl)) return FALSE;
1369 if ((pimldp->i < 0) || (pimldp->i >= himl->cCurImage)) return FALSE;
1371 imagelist_point_from_index( himl, pimldp->i, &pt );
1372 pt.x += pimldp->xBitmap;
1373 pt.y += pimldp->yBitmap;
1375 fState = pimldp->cbSize < sizeof(IMAGELISTDRAWPARAMS) ? ILS_NORMAL : pimldp->fState;
1376 fStyle = pimldp->fStyle & ~ILD_OVERLAYMASK;
1377 cx = (pimldp->cx == 0) ? himl->cx : pimldp->cx;
1378 cy = (pimldp->cy == 0) ? himl->cy : pimldp->cy;
1380 bIsTransparent = (fStyle & ILD_TRANSPARENT);
1381 if( pimldp->rgbBk == CLR_NONE )
1382 bIsTransparent = TRUE;
1383 if( ( pimldp->rgbBk == CLR_DEFAULT ) && ( himl->clrBk == CLR_NONE ) )
1384 bIsTransparent = TRUE;
1385 bMask = (himl->flags & ILC_MASK) && (fStyle & ILD_MASK) ;
1386 bBlend = (fStyle & (ILD_BLEND25 | ILD_BLEND50) ) && !bMask;
1388 TRACE("himl(%p) hbmMask(%p) iImage(%d) x(%d) y(%d) cx(%d) cy(%d)\n",
1389 himl, himl->hbmMask, pimldp->i, pimldp->x, pimldp->y, cx, cy);
1391 /* we will use these DCs to access the images and masks in the ImageList */
1392 hImageListDC = himl->hdcImage;
1393 hMaskListDC = himl->hdcMask;
1395 /* these will accumulate the image and mask for the image we're drawing */
1396 hImageDC = CreateCompatibleDC( pimldp->hdcDst );
1397 hImageBmp = CreateCompatibleBitmap( pimldp->hdcDst, cx, cy );
1398 hBlendMaskBmp = bBlend ? CreateBitmap(cx, cy, 1, 1, NULL) : 0;
1400 /* Create a compatible DC. */
1401 if (!hImageListDC || !hImageDC || !hImageBmp ||
1402 (bBlend && !hBlendMaskBmp) || (himl->hbmMask && !hMaskListDC))
1405 hOldImageBmp = SelectObject(hImageDC, hImageBmp);
1408 * To obtain a transparent look, background color should be set
1409 * to white and foreground color to black when blitting the
1412 oldImageFg = SetTextColor( hImageDC, RGB( 0, 0, 0 ) );
1413 oldImageBk = SetBkColor( hImageDC, RGB( 0xff, 0xff, 0xff ) );
1415 has_alpha = (himl->has_alpha && himl->has_alpha[pimldp->i]);
1416 if (!bMask && (has_alpha || (fState & ILS_ALPHA)))
1418 COLORREF colour, blend_col = CLR_NONE;
1423 blend_col = pimldp->rgbFg;
1424 if (blend_col == CLR_DEFAULT) blend_col = GetSysColor( COLOR_HIGHLIGHT );
1425 else if (blend_col == CLR_NONE) blend_col = GetTextColor( pimldp->hdcDst );
1428 func.BlendOp = AC_SRC_OVER;
1429 func.BlendFlags = 0;
1430 func.SourceConstantAlpha = (fState & ILS_ALPHA) ? pimldp->Frame : 255;
1431 func.AlphaFormat = AC_SRC_ALPHA;
1435 bResult = alpha_blend_image( himl, pimldp->hdcDst, pimldp->x, pimldp->y,
1436 pt.x, pt.y, cx, cy, func, fStyle, blend_col );
1439 colour = pimldp->rgbBk;
1440 if (colour == CLR_DEFAULT) colour = himl->clrBk;
1441 if (colour == CLR_NONE) colour = GetBkColor( pimldp->hdcDst );
1443 hOldBrush = SelectObject (hImageDC, CreateSolidBrush (colour));
1444 PatBlt( hImageDC, 0, 0, cx, cy, PATCOPY );
1445 alpha_blend_image( himl, hImageDC, 0, 0, pt.x, pt.y, cx, cy, func, fStyle, blend_col );
1446 DeleteObject (SelectObject (hImageDC, hOldBrush));
1447 bResult = BitBlt( pimldp->hdcDst, pimldp->x, pimldp->y, cx, cy, hImageDC, 0, 0, SRCCOPY );
1452 * Draw the initial image
1455 if (himl->hbmMask) {
1456 hOldBrush = SelectObject (hImageDC, CreateSolidBrush (GetTextColor(pimldp->hdcDst)));
1457 PatBlt( hImageDC, 0, 0, cx, cy, PATCOPY );
1458 BitBlt(hImageDC, 0, 0, cx, cy, hMaskListDC, pt.x, pt.y, SRCPAINT);
1459 DeleteObject (SelectObject (hImageDC, hOldBrush));
1460 if( bIsTransparent )
1462 BitBlt ( pimldp->hdcDst, pimldp->x, pimldp->y, cx, cy, hImageDC, 0, 0, SRCAND);
1467 hOldBrush = SelectObject (hImageDC, GetStockObject(BLACK_BRUSH));
1468 PatBlt( hImageDC, 0, 0, cx, cy, PATCOPY);
1469 SelectObject(hImageDC, hOldBrush);
1472 /* blend the image with the needed solid background */
1473 COLORREF colour = RGB(0,0,0);
1475 if( !bIsTransparent )
1477 colour = pimldp->rgbBk;
1478 if( colour == CLR_DEFAULT )
1479 colour = himl->clrBk;
1480 if( colour == CLR_NONE )
1481 colour = GetBkColor(pimldp->hdcDst);
1484 hOldBrush = SelectObject (hImageDC, CreateSolidBrush (colour));
1485 PatBlt( hImageDC, 0, 0, cx, cy, PATCOPY );
1488 BitBlt( hImageDC, 0, 0, cx, cy, hMaskListDC, pt.x, pt.y, SRCAND );
1489 BitBlt( hImageDC, 0, 0, cx, cy, hImageListDC, pt.x, pt.y, SRCPAINT );
1492 BitBlt( hImageDC, 0, 0, cx, cy, hImageListDC, pt.x, pt.y, SRCCOPY);
1493 DeleteObject (SelectObject (hImageDC, hOldBrush));
1496 /* Time for blending, if required */
1499 COLORREF clrBlend = pimldp->rgbFg;
1500 HDC hBlendMaskDC = hImageListDC;
1503 /* Create the blend Mask */
1504 hOldBitmap = SelectObject(hBlendMaskDC, hBlendMaskBmp);
1505 hBlendBrush = fStyle & ILD_BLEND50 ? himl->hbrBlend50 : himl->hbrBlend25;
1506 hOldBrush = SelectObject(hBlendMaskDC, hBlendBrush);
1507 PatBlt(hBlendMaskDC, 0, 0, cx, cy, PATCOPY);
1508 SelectObject(hBlendMaskDC, hOldBrush);
1510 /* Modify the blend mask if an Image Mask exist */
1512 BitBlt(hBlendMaskDC, 0, 0, cx, cy, hMaskListDC, pt.x, pt.y, 0x220326); /* NOTSRCAND */
1513 BitBlt(hBlendMaskDC, 0, 0, cx, cy, hBlendMaskDC, 0, 0, NOTSRCCOPY);
1516 /* now apply blend to the current image given the BlendMask */
1517 if (clrBlend == CLR_DEFAULT) clrBlend = GetSysColor (COLOR_HIGHLIGHT);
1518 else if (clrBlend == CLR_NONE) clrBlend = GetTextColor (pimldp->hdcDst);
1519 hOldBrush = SelectObject (hImageDC, CreateSolidBrush(clrBlend));
1520 BitBlt (hImageDC, 0, 0, cx, cy, hBlendMaskDC, 0, 0, 0xB8074A); /* PSDPxax */
1521 DeleteObject(SelectObject(hImageDC, hOldBrush));
1522 SelectObject(hBlendMaskDC, hOldBitmap);
1525 /* Now do the overlay image, if any */
1526 nOvlIdx = (pimldp->fStyle & ILD_OVERLAYMASK) >> 8;
1527 if ( (nOvlIdx >= 1) && (nOvlIdx <= MAX_OVERLAYIMAGE)) {
1528 nOvlIdx = himl->nOvlIdx[nOvlIdx - 1];
1529 if ((nOvlIdx >= 0) && (nOvlIdx < himl->cCurImage)) {
1531 imagelist_point_from_index( himl, nOvlIdx, &ptOvl );
1532 ptOvl.x += pimldp->xBitmap;
1533 if (himl->hbmMask && !(fStyle & ILD_IMAGE))
1534 BitBlt (hImageDC, 0, 0, cx, cy, hMaskListDC, ptOvl.x, ptOvl.y, SRCAND);
1535 BitBlt (hImageDC, 0, 0, cx, cy, hImageListDC, ptOvl.x, ptOvl.y, SRCPAINT);
1539 if (fState & ILS_SATURATE) FIXME("ILS_SATURATE: unimplemented!\n");
1540 if (fState & ILS_GLOW) FIXME("ILS_GLOW: unimplemented!\n");
1541 if (fState & ILS_SHADOW) FIXME("ILS_SHADOW: unimplemented!\n");
1543 if (fStyle & ILD_PRESERVEALPHA) FIXME("ILD_PRESERVEALPHA: unimplemented!\n");
1544 if (fStyle & ILD_SCALE) FIXME("ILD_SCALE: unimplemented!\n");
1545 if (fStyle & ILD_DPISCALE) FIXME("ILD_DPISCALE: unimplemented!\n");
1547 /* now copy the image to the screen */
1549 if (himl->hbmMask && bIsTransparent ) {
1550 COLORREF oldDstFg = SetTextColor(pimldp->hdcDst, RGB( 0, 0, 0 ) );
1551 COLORREF oldDstBk = SetBkColor(pimldp->hdcDst, RGB( 0xff, 0xff, 0xff ));
1552 BitBlt (pimldp->hdcDst, pimldp->x, pimldp->y, cx, cy, hMaskListDC, pt.x, pt.y, SRCAND);
1553 SetBkColor(pimldp->hdcDst, oldDstBk);
1554 SetTextColor(pimldp->hdcDst, oldDstFg);
1557 if (fStyle & ILD_ROP) dwRop = pimldp->dwRop;
1558 BitBlt (pimldp->hdcDst, pimldp->x, pimldp->y, cx, cy, hImageDC, 0, 0, dwRop);
1562 /* cleanup the mess */
1563 SetBkColor(hImageDC, oldImageBk);
1564 SetTextColor(hImageDC, oldImageFg);
1565 SelectObject(hImageDC, hOldImageBmp);
1567 DeleteObject(hBlendMaskBmp);
1568 DeleteObject(hImageBmp);
1575 /*************************************************************************
1576 * ImageList_Duplicate [COMCTL32.@]
1578 * Duplicates an image list.
1581 * himlSrc [I] source image list handle
1584 * Success: Handle of duplicated image list.
1589 ImageList_Duplicate (HIMAGELIST himlSrc)
1593 if (!is_valid(himlSrc)) {
1594 ERR("Invalid image list handle!\n");
1598 himlDst = ImageList_Create (himlSrc->cx, himlSrc->cy, himlSrc->flags,
1599 himlSrc->cCurImage, himlSrc->cGrow);
1605 imagelist_get_bitmap_size(himlSrc, himlSrc->cCurImage, &sz);
1606 BitBlt (himlDst->hdcImage, 0, 0, sz.cx, sz.cy,
1607 himlSrc->hdcImage, 0, 0, SRCCOPY);
1609 if (himlDst->hbmMask)
1610 BitBlt (himlDst->hdcMask, 0, 0, sz.cx, sz.cy,
1611 himlSrc->hdcMask, 0, 0, SRCCOPY);
1613 himlDst->cCurImage = himlSrc->cCurImage;
1614 if (himlSrc->has_alpha && himlDst->has_alpha)
1615 memcpy( himlDst->has_alpha, himlSrc->has_alpha, himlDst->cCurImage );
1621 /*************************************************************************
1622 * ImageList_EndDrag [COMCTL32.@]
1624 * Finishes a drag operation.
1635 ImageList_EndDrag (void)
1637 /* cleanup the InternalDrag struct */
1638 InternalDrag.hwnd = 0;
1639 if (InternalDrag.himl != InternalDrag.himlNoCursor)
1640 ImageList_Destroy (InternalDrag.himlNoCursor);
1641 ImageList_Destroy (InternalDrag.himl);
1642 InternalDrag.himlNoCursor = InternalDrag.himl = 0;
1645 InternalDrag.dxHotspot = 0;
1646 InternalDrag.dyHotspot = 0;
1647 InternalDrag.bShow = FALSE;
1648 DeleteObject(InternalDrag.hbmBg);
1649 InternalDrag.hbmBg = 0;
1653 /*************************************************************************
1654 * ImageList_GetBkColor [COMCTL32.@]
1656 * Returns the background color of an image list.
1659 * himl [I] Image list handle.
1662 * Success: background color
1667 ImageList_GetBkColor (HIMAGELIST himl)
1669 return himl ? himl->clrBk : CLR_NONE;
1673 /*************************************************************************
1674 * ImageList_GetDragImage [COMCTL32.@]
1676 * Returns the handle to the internal drag image list.
1679 * ppt [O] Pointer to the drag position. Can be NULL.
1680 * pptHotspot [O] Pointer to the position of the hot spot. Can be NULL.
1683 * Success: Handle of the drag image list.
1688 ImageList_GetDragImage (POINT *ppt, POINT *pptHotspot)
1690 if (is_valid(InternalDrag.himl)) {
1692 ppt->x = InternalDrag.x;
1693 ppt->y = InternalDrag.y;
1696 pptHotspot->x = InternalDrag.dxHotspot;
1697 pptHotspot->y = InternalDrag.dyHotspot;
1699 return (InternalDrag.himl);
1706 /*************************************************************************
1707 * ImageList_GetFlags [COMCTL32.@]
1709 * Gets the flags of the specified image list.
1712 * himl [I] Handle to image list
1722 ImageList_GetFlags(HIMAGELIST himl)
1724 TRACE("%p\n", himl);
1726 return is_valid(himl) ? himl->flags : 0;
1730 /*************************************************************************
1731 * ImageList_GetIcon [COMCTL32.@]
1733 * Creates an icon from a masked image of an image list.
1736 * himl [I] handle to image list
1738 * flags [I] drawing style flags
1741 * Success: icon handle
1746 ImageList_GetIcon (HIMAGELIST himl, INT i, UINT fStyle)
1750 HBITMAP hOldDstBitmap;
1754 TRACE("%p %d %d\n", himl, i, fStyle);
1755 if (!is_valid(himl) || (i < 0) || (i >= himl->cCurImage)) return NULL;
1761 /* create colour bitmap */
1763 ii.hbmColor = CreateCompatibleBitmap(hdcDst, himl->cx, himl->cy);
1764 ReleaseDC(0, hdcDst);
1766 hdcDst = CreateCompatibleDC(0);
1768 imagelist_point_from_index( himl, i, &pt );
1771 ii.hbmMask = CreateBitmap (himl->cx, himl->cy, 1, 1, NULL);
1772 hOldDstBitmap = SelectObject (hdcDst, ii.hbmMask);
1773 if (himl->hbmMask) {
1774 BitBlt (hdcDst, 0, 0, himl->cx, himl->cy,
1775 himl->hdcMask, pt.x, pt.y, SRCCOPY);
1778 PatBlt (hdcDst, 0, 0, himl->cx, himl->cy, BLACKNESS);
1781 SelectObject (hdcDst, ii.hbmColor);
1782 BitBlt (hdcDst, 0, 0, himl->cx, himl->cy,
1783 himl->hdcImage, pt.x, pt.y, SRCCOPY);
1786 * CreateIconIndirect requires us to deselect the bitmaps from
1787 * the DCs before calling
1789 SelectObject(hdcDst, hOldDstBitmap);
1791 hIcon = CreateIconIndirect (&ii);
1793 DeleteObject (ii.hbmMask);
1794 DeleteObject (ii.hbmColor);
1801 /*************************************************************************
1802 * ImageList_GetIconSize [COMCTL32.@]
1804 * Retrieves the size of an image in an image list.
1807 * himl [I] handle to image list
1808 * cx [O] pointer to the image width.
1809 * cy [O] pointer to the image height.
1816 * All images in an image list have the same size.
1820 ImageList_GetIconSize (HIMAGELIST himl, INT *cx, INT *cy)
1822 if (!is_valid(himl) || !cx || !cy)
1824 if ((himl->cx <= 0) || (himl->cy <= 0))
1834 /*************************************************************************
1835 * ImageList_GetImageCount [COMCTL32.@]
1837 * Returns the number of images in an image list.
1840 * himl [I] handle to image list
1843 * Success: Number of images.
1848 ImageList_GetImageCount (HIMAGELIST himl)
1850 if (!is_valid(himl))
1853 return himl->cCurImage;
1857 /*************************************************************************
1858 * ImageList_GetImageInfo [COMCTL32.@]
1860 * Returns information about an image in an image list.
1863 * himl [I] handle to image list
1865 * pImageInfo [O] pointer to the image information
1873 ImageList_GetImageInfo (HIMAGELIST himl, INT i, IMAGEINFO *pImageInfo)
1877 if (!is_valid(himl) || (pImageInfo == NULL))
1879 if ((i < 0) || (i >= himl->cCurImage))
1882 pImageInfo->hbmImage = himl->hbmImage;
1883 pImageInfo->hbmMask = himl->hbmMask;
1885 imagelist_point_from_index( himl, i, &pt );
1886 pImageInfo->rcImage.top = pt.y;
1887 pImageInfo->rcImage.bottom = pt.y + himl->cy;
1888 pImageInfo->rcImage.left = pt.x;
1889 pImageInfo->rcImage.right = pt.x + himl->cx;
1895 /*************************************************************************
1896 * ImageList_GetImageRect [COMCTL32.@]
1898 * Retrieves the rectangle of the specified image in an image list.
1901 * himl [I] handle to image list
1903 * lpRect [O] pointer to the image rectangle
1910 * This is an UNDOCUMENTED function!!!
1914 ImageList_GetImageRect (HIMAGELIST himl, INT i, LPRECT lpRect)
1918 if (!is_valid(himl) || (lpRect == NULL))
1920 if ((i < 0) || (i >= himl->cCurImage))
1923 imagelist_point_from_index( himl, i, &pt );
1924 lpRect->left = pt.x;
1926 lpRect->right = pt.x + himl->cx;
1927 lpRect->bottom = pt.y + himl->cy;
1933 /*************************************************************************
1934 * ImageList_LoadImage [COMCTL32.@]
1935 * ImageList_LoadImageA [COMCTL32.@]
1937 * Creates an image list from a bitmap, icon or cursor.
1939 * See ImageList_LoadImageW.
1943 ImageList_LoadImageA (HINSTANCE hi, LPCSTR lpbmp, INT cx, INT cGrow,
1944 COLORREF clrMask, UINT uType, UINT uFlags)
1950 if (IS_INTRESOURCE(lpbmp))
1951 return ImageList_LoadImageW(hi, (LPCWSTR)lpbmp, cx, cGrow, clrMask,
1954 len = MultiByteToWideChar(CP_ACP, 0, lpbmp, -1, NULL, 0);
1955 lpbmpW = Alloc(len * sizeof(WCHAR));
1956 MultiByteToWideChar(CP_ACP, 0, lpbmp, -1, lpbmpW, len);
1958 himl = ImageList_LoadImageW(hi, lpbmpW, cx, cGrow, clrMask, uType, uFlags);
1964 /*************************************************************************
1965 * ImageList_LoadImageW [COMCTL32.@]
1967 * Creates an image list from a bitmap, icon or cursor.
1970 * hi [I] instance handle
1971 * lpbmp [I] name or id of the image
1972 * cx [I] width of each image
1973 * cGrow [I] number of images to expand
1974 * clrMask [I] mask color
1975 * uType [I] type of image to load
1976 * uFlags [I] loading flags
1979 * Success: handle to the loaded image list
1987 ImageList_LoadImageW (HINSTANCE hi, LPCWSTR lpbmp, INT cx, INT cGrow,
1988 COLORREF clrMask, UINT uType, UINT uFlags)
1990 HIMAGELIST himl = NULL;
1994 handle = LoadImageW (hi, lpbmp, uType, 0, 0, uFlags);
1996 WARN("Couldn't load image\n");
2000 if (uType == IMAGE_BITMAP) {
2004 if (GetObjectW (handle, sizeof(dib), &dib) == sizeof(BITMAP)) color = ILC_COLOR;
2005 else color = dib.dsBm.bmBitsPixel;
2007 /* To match windows behavior, if cx is set to zero and
2008 the flag DI_DEFAULTSIZE is specified, cx becomes the
2009 system metric value for icons. If the flag is not specified
2010 the function sets the size to the height of the bitmap */
2013 if (uFlags & DI_DEFAULTSIZE)
2014 cx = GetSystemMetrics (SM_CXICON);
2016 cx = dib.dsBm.bmHeight;
2019 nImageCount = dib.dsBm.bmWidth / cx;
2021 himl = ImageList_Create (cx, dib.dsBm.bmHeight, ILC_MASK | color, nImageCount, cGrow);
2023 DeleteObject (handle);
2026 ImageList_AddMasked (himl, handle, clrMask);
2028 else if ((uType == IMAGE_ICON) || (uType == IMAGE_CURSOR)) {
2032 GetIconInfo (handle, &ii);
2033 GetObjectW (ii.hbmColor, sizeof(BITMAP), &bmp);
2034 himl = ImageList_Create (bmp.bmWidth, bmp.bmHeight,
2035 ILC_MASK | ILC_COLOR, 1, cGrow);
2037 DeleteObject (ii.hbmColor);
2038 DeleteObject (ii.hbmMask);
2039 DeleteObject (handle);
2042 ImageList_Add (himl, ii.hbmColor, ii.hbmMask);
2043 DeleteObject (ii.hbmColor);
2044 DeleteObject (ii.hbmMask);
2047 DeleteObject (handle);
2053 /*************************************************************************
2054 * ImageList_Merge [COMCTL32.@]
2056 * Create an image list containing a merged image from two image lists.
2059 * himl1 [I] handle to first image list
2060 * i1 [I] first image index
2061 * himl2 [I] handle to second image list
2062 * i2 [I] second image index
2063 * dx [I] X offset of the second image relative to the first.
2064 * dy [I] Y offset of the second image relative to the first.
2067 * Success: The newly created image list. It contains a single image
2068 * consisting of the second image merged with the first.
2069 * Failure: NULL, if either himl1 or himl2 are invalid.
2072 * - The returned image list should be deleted by the caller using
2073 * ImageList_Destroy() when it is no longer required.
2074 * - If either i1 or i2 are not valid image indices they will be treated
2078 ImageList_Merge (HIMAGELIST himl1, INT i1, HIMAGELIST himl2, INT i2,
2081 HIMAGELIST himlDst = NULL;
2083 INT xOff1, yOff1, xOff2, yOff2;
2086 TRACE("(himl1=%p i1=%d himl2=%p i2=%d dx=%d dy=%d)\n", himl1, i1, himl2,
2089 if (!is_valid(himl1) || !is_valid(himl2))
2093 cxDst = max (himl1->cx, dx + himl2->cx);
2098 cxDst = max (himl2->cx, himl1->cx - dx);
2103 cxDst = max (himl1->cx, himl2->cx);
2109 cyDst = max (himl1->cy, dy + himl2->cy);
2114 cyDst = max (himl2->cy, himl1->cy - dy);
2119 cyDst = max (himl1->cy, himl2->cy);
2124 himlDst = ImageList_Create (cxDst, cyDst, ILC_MASK | ILC_COLOR, 1, 1);
2128 imagelist_point_from_index( himl1, i1, &pt1 );
2129 imagelist_point_from_index( himl2, i2, &pt2 );
2132 BitBlt (himlDst->hdcImage, 0, 0, cxDst, cyDst, himl1->hdcImage, 0, 0, BLACKNESS);
2133 if (i1 >= 0 && i1 < himl1->cCurImage)
2134 BitBlt (himlDst->hdcImage, xOff1, yOff1, himl1->cx, himl1->cy, himl1->hdcImage, pt1.x, pt1.y, SRCCOPY);
2135 if (i2 >= 0 && i2 < himl2->cCurImage)
2137 if (himl2->flags & ILC_MASK)
2139 BitBlt (himlDst->hdcImage, xOff2, yOff2, himl2->cx, himl2->cy, himl2->hdcMask , pt2.x, pt2.y, SRCAND);
2140 BitBlt (himlDst->hdcImage, xOff2, yOff2, himl2->cx, himl2->cy, himl2->hdcImage, pt2.x, pt2.y, SRCPAINT);
2143 BitBlt (himlDst->hdcImage, xOff2, yOff2, himl2->cx, himl2->cy, himl2->hdcImage, pt2.x, pt2.y, SRCCOPY);
2147 BitBlt (himlDst->hdcMask, 0, 0, cxDst, cyDst, himl1->hdcMask, 0, 0, WHITENESS);
2148 if (i1 >= 0 && i1 < himl1->cCurImage)
2149 BitBlt (himlDst->hdcMask, xOff1, yOff1, himl1->cx, himl1->cy, himl1->hdcMask, pt1.x, pt1.y, SRCCOPY);
2150 if (i2 >= 0 && i2 < himl2->cCurImage)
2151 BitBlt (himlDst->hdcMask, xOff2, yOff2, himl2->cx, himl2->cy, himl2->hdcMask, pt2.x, pt2.y, SRCAND);
2153 himlDst->cCurImage = 1;
2160 /* helper for ImageList_Read, see comments below */
2161 static void *read_bitmap(LPSTREAM pstm, BITMAPINFO *bmi)
2163 BITMAPFILEHEADER bmfh;
2164 int bitsperpixel, palspace;
2167 if (FAILED(IStream_Read ( pstm, &bmfh, sizeof(bmfh), NULL)))
2170 if (bmfh.bfType != (('M'<<8)|'B'))
2173 if (FAILED(IStream_Read ( pstm, &bmi->bmiHeader, sizeof(bmi->bmiHeader), NULL)))
2176 if ((bmi->bmiHeader.biSize != sizeof(bmi->bmiHeader)))
2179 TRACE("width %u, height %u, planes %u, bpp %u\n",
2180 bmi->bmiHeader.biWidth, bmi->bmiHeader.biHeight,
2181 bmi->bmiHeader.biPlanes, bmi->bmiHeader.biBitCount);
2183 bitsperpixel = bmi->bmiHeader.biPlanes * bmi->bmiHeader.biBitCount;
2184 if (bitsperpixel<=8)
2185 palspace = (1<<bitsperpixel)*sizeof(RGBQUAD);
2189 bmi->bmiHeader.biSizeImage = get_dib_image_size( bmi );
2191 /* read the palette right after the end of the bitmapinfoheader */
2192 if (palspace && FAILED(IStream_Read(pstm, bmi->bmiColors, palspace, NULL)))
2195 bits = Alloc(bmi->bmiHeader.biSizeImage);
2196 if (!bits) return NULL;
2198 if (FAILED(IStream_Read(pstm, bits, bmi->bmiHeader.biSizeImage, NULL)))
2206 /*************************************************************************
2207 * ImageList_Read [COMCTL32.@]
2209 * Reads an image list from a stream.
2212 * pstm [I] pointer to a stream
2215 * Success: handle to image list
2218 * The format is like this:
2219 * ILHEAD ilheadstruct;
2221 * for the color image part:
2222 * BITMAPFILEHEADER bmfh;
2223 * BITMAPINFOHEADER bmih;
2224 * only if it has a palette:
2225 * RGBQUAD rgbs[nr_of_paletted_colors];
2227 * BYTE colorbits[imagesize];
2229 * the following only if the ILC_MASK bit is set in ILHEAD.ilFlags:
2230 * BITMAPFILEHEADER bmfh_mask;
2231 * BITMAPINFOHEADER bmih_mask;
2232 * only if it has a palette (it usually does not):
2233 * RGBQUAD rgbs[nr_of_paletted_colors];
2235 * BYTE maskbits[imagesize];
2237 HIMAGELIST WINAPI ImageList_Read (LPSTREAM pstm)
2239 char image_buf[sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256];
2240 char mask_buf[sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256];
2241 BITMAPINFO *image_info = (BITMAPINFO *)image_buf;
2242 BITMAPINFO *mask_info = (BITMAPINFO *)mask_buf;
2243 void *image_bits, *mask_bits = NULL;
2248 TRACE("%p\n", pstm);
2250 if (FAILED(IStream_Read (pstm, &ilHead, sizeof(ILHEAD), NULL)))
2252 if (ilHead.usMagic != (('L' << 8) | 'I'))
2254 if (ilHead.usVersion != 0x101) /* probably version? */
2257 TRACE("cx %u, cy %u, flags 0x%04x, cCurImage %u, cMaxImage %u\n",
2258 ilHead.cx, ilHead.cy, ilHead.flags, ilHead.cCurImage, ilHead.cMaxImage);
2260 himl = ImageList_Create(ilHead.cx, ilHead.cy, ilHead.flags, ilHead.cCurImage, ilHead.cMaxImage);
2264 if (!(image_bits = read_bitmap(pstm, image_info)))
2266 WARN("failed to read bitmap from stream\n");
2269 if (ilHead.flags & ILC_MASK)
2271 if (!(mask_bits = read_bitmap(pstm, mask_info)))
2273 WARN("failed to read mask bitmap from stream\n");
2277 else mask_info = NULL;
2279 if (himl->has_alpha && image_info->bmiHeader.biBitCount == 32)
2281 DWORD *ptr = image_bits;
2282 BYTE *mask_ptr = mask_bits;
2283 int stride = himl->cy * image_info->bmiHeader.biWidth;
2285 if (image_info->bmiHeader.biHeight > 0) /* bottom-up */
2287 ptr += image_info->bmiHeader.biHeight * image_info->bmiHeader.biWidth - stride;
2288 mask_ptr += (image_info->bmiHeader.biHeight * image_info->bmiHeader.biWidth - stride) / 8;
2290 image_info->bmiHeader.biHeight = himl->cy;
2292 else image_info->bmiHeader.biHeight = -himl->cy;
2294 for (i = 0; i < ilHead.cCurImage; i += TILE_COUNT)
2296 add_dib_bits( himl, i, min( ilHead.cCurImage - i, TILE_COUNT ),
2297 himl->cx, himl->cy, image_info, mask_info, ptr, mask_ptr );
2299 mask_ptr += stride / 8;
2304 StretchDIBits( himl->hdcImage, 0, 0, image_info->bmiHeader.biWidth, image_info->bmiHeader.biHeight,
2305 0, 0, image_info->bmiHeader.biWidth, image_info->bmiHeader.biHeight,
2306 image_bits, image_info, DIB_RGB_COLORS, SRCCOPY);
2308 StretchDIBits( himl->hdcMask, 0, 0, mask_info->bmiHeader.biWidth, mask_info->bmiHeader.biHeight,
2309 0, 0, mask_info->bmiHeader.biWidth, mask_info->bmiHeader.biHeight,
2310 mask_bits, mask_info, DIB_RGB_COLORS, SRCCOPY);
2315 himl->cCurImage = ilHead.cCurImage;
2316 himl->cMaxImage = ilHead.cMaxImage;
2318 ImageList_SetBkColor(himl,ilHead.bkcolor);
2320 ImageList_SetOverlayImage(himl,ilHead.ovls[i],i+1);
2325 /*************************************************************************
2326 * ImageList_Remove [COMCTL32.@]
2328 * Removes an image from an image list
2331 * himl [I] image list handle
2338 * FIXME: as the image list storage test shows, native comctl32 simply shifts
2339 * images without creating a new bitmap.
2342 ImageList_Remove (HIMAGELIST himl, INT i)
2344 HBITMAP hbmNewImage, hbmNewMask;
2348 TRACE("(himl=%p i=%d)\n", himl, i);
2350 if (!is_valid(himl)) {
2351 ERR("Invalid image list handle!\n");
2355 if ((i < -1) || (i >= himl->cCurImage)) {
2356 TRACE("index out of range! %d\n", i);
2364 if (himl->cCurImage == 0) {
2365 /* remove all on empty ImageList is allowed */
2366 TRACE("remove all on empty ImageList!\n");
2370 himl->cMaxImage = himl->cGrow;
2371 himl->cCurImage = 0;
2372 for (nCount = 0; nCount < MAX_OVERLAYIMAGE; nCount++)
2373 himl->nOvlIdx[nCount] = -1;
2375 hbmNewImage = ImageList_CreateImage(himl->hdcImage, himl, himl->cMaxImage);
2376 SelectObject (himl->hdcImage, hbmNewImage);
2377 DeleteObject (himl->hbmImage);
2378 himl->hbmImage = hbmNewImage;
2380 if (himl->hbmMask) {
2382 imagelist_get_bitmap_size(himl, himl->cMaxImage, &sz);
2383 hbmNewMask = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
2384 SelectObject (himl->hdcMask, hbmNewMask);
2385 DeleteObject (himl->hbmMask);
2386 himl->hbmMask = hbmNewMask;
2390 /* delete one image */
2391 TRACE("Remove single image! %d\n", i);
2393 /* create new bitmap(s) */
2394 TRACE(" - Number of images: %d / %d (Old/New)\n",
2395 himl->cCurImage, himl->cCurImage - 1);
2397 hbmNewImage = ImageList_CreateImage(himl->hdcImage, himl, himl->cMaxImage);
2399 imagelist_get_bitmap_size(himl, himl->cMaxImage, &sz );
2401 hbmNewMask = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
2403 hbmNewMask = 0; /* Just to keep compiler happy! */
2405 hdcBmp = CreateCompatibleDC (0);
2407 /* copy all images and masks prior to the "removed" image */
2409 TRACE("Pre image copy: Copy %d images\n", i);
2411 SelectObject (hdcBmp, hbmNewImage);
2412 imagelist_copy_images( himl, himl->hdcImage, hdcBmp, 0, i, 0 );
2414 if (himl->hbmMask) {
2415 SelectObject (hdcBmp, hbmNewMask);
2416 imagelist_copy_images( himl, himl->hdcMask, hdcBmp, 0, i, 0 );
2420 /* copy all images and masks behind the removed image */
2421 if (i < himl->cCurImage - 1) {
2422 TRACE("Post image copy!\n");
2424 SelectObject (hdcBmp, hbmNewImage);
2425 imagelist_copy_images( himl, himl->hdcImage, hdcBmp, i + 1,
2426 (himl->cCurImage - i), i );
2428 if (himl->hbmMask) {
2429 SelectObject (hdcBmp, hbmNewMask);
2430 imagelist_copy_images( himl, himl->hdcMask, hdcBmp, i + 1,
2431 (himl->cCurImage - i), i );
2437 /* delete old images and insert new ones */
2438 SelectObject (himl->hdcImage, hbmNewImage);
2439 DeleteObject (himl->hbmImage);
2440 himl->hbmImage = hbmNewImage;
2441 if (himl->hbmMask) {
2442 SelectObject (himl->hdcMask, hbmNewMask);
2443 DeleteObject (himl->hbmMask);
2444 himl->hbmMask = hbmNewMask;
2454 /*************************************************************************
2455 * ImageList_Replace [COMCTL32.@]
2457 * Replaces an image in an image list with a new image.
2460 * himl [I] handle to image list
2462 * hbmImage [I] handle to image bitmap
2463 * hbmMask [I] handle to mask bitmap. Can be NULL.
2471 ImageList_Replace (HIMAGELIST himl, INT i, HBITMAP hbmImage,
2478 TRACE("%p %d %p %p\n", himl, i, hbmImage, hbmMask);
2480 if (!is_valid(himl)) {
2481 ERR("Invalid image list handle!\n");
2485 if ((i >= himl->cMaxImage) || (i < 0)) {
2486 ERR("Invalid image index!\n");
2490 if (!GetObjectW(hbmImage, sizeof(BITMAP), &bmp))
2493 hdcImage = CreateCompatibleDC (0);
2496 SelectObject (hdcImage, hbmImage);
2498 if (add_with_alpha( himl, hdcImage, i, 1, bmp.bmWidth, bmp.bmHeight, hbmImage, hbmMask ))
2501 imagelist_point_from_index(himl, i, &pt);
2502 StretchBlt (himl->hdcImage, pt.x, pt.y, himl->cx, himl->cy,
2503 hdcImage, 0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY);
2508 HBITMAP hOldBitmapTemp;
2510 hdcTemp = CreateCompatibleDC(0);
2511 hOldBitmapTemp = SelectObject(hdcTemp, hbmMask);
2513 StretchBlt (himl->hdcMask, pt.x, pt.y, himl->cx, himl->cy,
2514 hdcTemp, 0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY);
2515 SelectObject(hdcTemp, hOldBitmapTemp);
2518 /* Remove the background from the image
2520 BitBlt (himl->hdcImage, pt.x, pt.y, bmp.bmWidth, bmp.bmHeight,
2521 himl->hdcMask, pt.x, pt.y, 0x220326); /* NOTSRCAND */
2525 DeleteDC (hdcImage);
2531 /*************************************************************************
2532 * ImageList_ReplaceIcon [COMCTL32.@]
2534 * Replaces an image in an image list using an icon.
2537 * himl [I] handle to image list
2539 * hIcon [I] handle to icon
2542 * Success: index of the replaced image
2547 ImageList_ReplaceIcon (HIMAGELIST himl, INT nIndex, HICON hIcon)
2555 TRACE("(%p %d %p)\n", himl, nIndex, hIcon);
2557 if (!is_valid(himl)) {
2558 ERR("invalid image list\n");
2561 if ((nIndex >= himl->cMaxImage) || (nIndex < -1)) {
2562 ERR("invalid image index %d / %d\n", nIndex, himl->cMaxImage);
2566 hBestFitIcon = CopyImage(
2569 LR_COPYFROMRESOURCE);
2570 /* the above will fail if the icon wasn't loaded from a resource, so try
2571 * again without LR_COPYFROMRESOURCE flag */
2573 hBestFitIcon = CopyImage(
2581 if (himl->cCurImage + 1 >= himl->cMaxImage)
2582 IMAGELIST_InternalExpandBitmaps(himl, 1);
2584 nIndex = himl->cCurImage;
2588 if (himl->has_alpha && GetIconInfo (hBestFitIcon, &ii))
2590 HDC hdcImage = CreateCompatibleDC( 0 );
2591 GetObjectW (ii.hbmMask, sizeof(BITMAP), &bmp);
2595 UINT height = bmp.bmHeight / 2;
2596 HDC hdcMask = CreateCompatibleDC( 0 );
2597 HBITMAP color = CreateBitmap( bmp.bmWidth, height, 1, 1, NULL );
2598 SelectObject( hdcImage, color );
2599 SelectObject( hdcMask, ii.hbmMask );
2600 BitBlt( hdcImage, 0, 0, bmp.bmWidth, height, hdcMask, 0, height, SRCCOPY );
2601 ret = add_with_alpha( himl, hdcImage, nIndex, 1, bmp.bmWidth, height, color, ii.hbmMask );
2602 DeleteDC( hdcMask );
2603 DeleteObject( color );
2605 else ret = add_with_alpha( himl, hdcImage, nIndex, 1, bmp.bmWidth, bmp.bmHeight,
2606 ii.hbmColor, ii.hbmMask );
2608 DeleteDC( hdcImage );
2609 DeleteObject (ii.hbmMask);
2610 if (ii.hbmColor) DeleteObject (ii.hbmColor);
2614 imagelist_point_from_index(himl, nIndex, &pt);
2618 DrawIconEx( himl->hdcImage, pt.x, pt.y, hBestFitIcon, himl->cx, himl->cy, 0, 0, DI_IMAGE );
2619 PatBlt( himl->hdcMask, pt.x, pt.y, himl->cx, himl->cy, WHITENESS );
2620 DrawIconEx( himl->hdcMask, pt.x, pt.y, hBestFitIcon, himl->cx, himl->cy, 0, 0, DI_MASK );
2624 COLORREF color = himl->clrBk != CLR_NONE ? himl->clrBk : comctl32_color.clrWindow;
2625 HBRUSH brush = CreateSolidBrush( GetNearestColor( himl->hdcImage, color ));
2627 SelectObject( himl->hdcImage, brush );
2628 PatBlt( himl->hdcImage, pt.x, pt.y, himl->cx, himl->cy, PATCOPY );
2629 SelectObject( himl->hdcImage, GetStockObject(BLACK_BRUSH) );
2630 DeleteObject( brush );
2631 DrawIconEx( himl->hdcImage, pt.x, pt.y, hBestFitIcon, himl->cx, himl->cy, 0, 0, DI_NORMAL );
2635 DestroyIcon(hBestFitIcon);
2637 TRACE("Insert index = %d, himl->cCurImage = %d\n", nIndex, himl->cCurImage);
2642 /*************************************************************************
2643 * ImageList_SetBkColor [COMCTL32.@]
2645 * Sets the background color of an image list.
2648 * himl [I] handle to image list
2649 * clrBk [I] background color
2652 * Success: previous background color
2657 ImageList_SetBkColor (HIMAGELIST himl, COLORREF clrBk)
2661 if (!is_valid(himl))
2664 clrOldBk = himl->clrBk;
2665 himl->clrBk = clrBk;
2670 /*************************************************************************
2671 * ImageList_SetDragCursorImage [COMCTL32.@]
2673 * Combines the specified image with the current drag image
2676 * himlDrag [I] handle to drag image list
2677 * iDrag [I] drag image index
2678 * dxHotspot [I] X position of the hot spot
2679 * dyHotspot [I] Y position of the hot spot
2686 * - The names dxHotspot, dyHotspot are misleading because they have nothing
2687 * to do with a hotspot but are only the offset of the origin of the new
2688 * image relative to the origin of the old image.
2690 * - When this function is called and the drag image is visible, a
2691 * short flickering occurs but this matches the Win9x behavior. It is
2692 * possible to fix the flickering using code like in ImageList_DragMove.
2696 ImageList_SetDragCursorImage (HIMAGELIST himlDrag, INT iDrag,
2697 INT dxHotspot, INT dyHotspot)
2699 HIMAGELIST himlTemp;
2702 if (!is_valid(InternalDrag.himl) || !is_valid(himlDrag))
2705 TRACE(" dxH=%d dyH=%d nX=%d nY=%d\n",
2706 dxHotspot, dyHotspot, InternalDrag.dxHotspot, InternalDrag.dyHotspot);
2708 visible = InternalDrag.bShow;
2710 himlTemp = ImageList_Merge (InternalDrag.himlNoCursor, 0, himlDrag, iDrag,
2711 dxHotspot, dyHotspot);
2714 /* hide the drag image */
2715 ImageList_DragShowNolock(FALSE);
2717 if ((InternalDrag.himl->cx != himlTemp->cx) ||
2718 (InternalDrag.himl->cy != himlTemp->cy)) {
2719 /* the size of the drag image changed, invalidate the buffer */
2720 DeleteObject(InternalDrag.hbmBg);
2721 InternalDrag.hbmBg = 0;
2724 if (InternalDrag.himl != InternalDrag.himlNoCursor)
2725 ImageList_Destroy (InternalDrag.himl);
2726 InternalDrag.himl = himlTemp;
2729 /* show the drag image */
2730 ImageList_DragShowNolock(TRUE);
2737 /*************************************************************************
2738 * ImageList_SetFilter [COMCTL32.@]
2740 * Sets a filter (or does something completely different)!!???
2741 * It removes 12 Bytes from the stack (3 Parameters).
2744 * himl [I] SHOULD be a handle to image list
2745 * i [I] COULD be an index?
2750 * Failure: FALSE ???
2753 * This is an UNDOCUMENTED function!!!!
2758 ImageList_SetFilter (HIMAGELIST himl, INT i, DWORD dwFilter)
2760 FIXME("(%p 0x%x 0x%x):empty stub!\n", himl, i, dwFilter);
2766 /*************************************************************************
2767 * ImageList_SetFlags [COMCTL32.@]
2769 * Sets the image list flags.
2772 * himl [I] Handle to image list
2773 * flags [I] Flags to set
2783 ImageList_SetFlags(HIMAGELIST himl, DWORD flags)
2785 FIXME("(%p %08x):empty stub\n", himl, flags);
2790 /*************************************************************************
2791 * ImageList_SetIconSize [COMCTL32.@]
2793 * Sets the image size of the bitmap and deletes all images.
2796 * himl [I] handle to image list
2797 * cx [I] image width
2798 * cy [I] image height
2806 ImageList_SetIconSize (HIMAGELIST himl, INT cx, INT cy)
2811 if (!is_valid(himl))
2814 /* remove all images */
2815 himl->cMaxImage = himl->cInitial + 1;
2816 himl->cCurImage = 0;
2820 /* initialize overlay mask indices */
2821 for (nCount = 0; nCount < MAX_OVERLAYIMAGE; nCount++)
2822 himl->nOvlIdx[nCount] = -1;
2824 hbmNew = ImageList_CreateImage(himl->hdcImage, himl, himl->cMaxImage);
2825 SelectObject (himl->hdcImage, hbmNew);
2826 DeleteObject (himl->hbmImage);
2827 himl->hbmImage = hbmNew;
2829 if (himl->hbmMask) {
2831 imagelist_get_bitmap_size(himl, himl->cMaxImage, &sz);
2832 hbmNew = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
2833 SelectObject (himl->hdcMask, hbmNew);
2834 DeleteObject (himl->hbmMask);
2835 himl->hbmMask = hbmNew;
2842 /*************************************************************************
2843 * ImageList_SetImageCount [COMCTL32.@]
2845 * Resizes an image list to the specified number of images.
2848 * himl [I] handle to image list
2849 * iImageCount [I] number of images in the image list
2857 ImageList_SetImageCount (HIMAGELIST himl, UINT iImageCount)
2860 HBITMAP hbmNewBitmap, hbmOld;
2861 INT nNewCount, nCopyCount;
2863 TRACE("%p %d\n",himl,iImageCount);
2865 if (!is_valid(himl))
2868 nNewCount = iImageCount + 1;
2869 nCopyCount = min(himl->cCurImage, iImageCount);
2871 hdcBitmap = CreateCompatibleDC (0);
2873 hbmNewBitmap = ImageList_CreateImage(hdcBitmap, himl, nNewCount);
2875 if (hbmNewBitmap != 0)
2877 hbmOld = SelectObject (hdcBitmap, hbmNewBitmap);
2878 imagelist_copy_images( himl, himl->hdcImage, hdcBitmap, 0, nCopyCount, 0 );
2879 SelectObject (hdcBitmap, hbmOld);
2881 /* FIXME: delete 'empty' image space? */
2883 SelectObject (himl->hdcImage, hbmNewBitmap);
2884 DeleteObject (himl->hbmImage);
2885 himl->hbmImage = hbmNewBitmap;
2888 ERR("Could not create new image bitmap !\n");
2893 imagelist_get_bitmap_size( himl, nNewCount, &sz );
2894 hbmNewBitmap = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
2895 if (hbmNewBitmap != 0)
2897 hbmOld = SelectObject (hdcBitmap, hbmNewBitmap);
2898 imagelist_copy_images( himl, himl->hdcMask, hdcBitmap, 0, nCopyCount, 0 );
2899 SelectObject (hdcBitmap, hbmOld);
2901 /* FIXME: delete 'empty' image space? */
2903 SelectObject (himl->hdcMask, hbmNewBitmap);
2904 DeleteObject (himl->hbmMask);
2905 himl->hbmMask = hbmNewBitmap;
2908 ERR("Could not create new mask bitmap!\n");
2911 DeleteDC (hdcBitmap);
2913 if (himl->has_alpha)
2915 char *new_alpha = HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, himl->has_alpha, nNewCount );
2916 if (new_alpha) himl->has_alpha = new_alpha;
2919 HeapFree( GetProcessHeap(), 0, himl->has_alpha );
2920 himl->has_alpha = NULL;
2924 /* Update max image count and current image count */
2925 himl->cMaxImage = nNewCount;
2926 himl->cCurImage = iImageCount;
2932 /*************************************************************************
2933 * ImageList_SetOverlayImage [COMCTL32.@]
2935 * Assigns an overlay mask index to an existing image in an image list.
2938 * himl [I] handle to image list
2939 * iImage [I] image index
2940 * iOverlay [I] overlay mask index
2948 ImageList_SetOverlayImage (HIMAGELIST himl, INT iImage, INT iOverlay)
2950 if (!is_valid(himl))
2952 if ((iOverlay < 1) || (iOverlay > MAX_OVERLAYIMAGE))
2954 if ((iImage!=-1) && ((iImage < 0) || (iImage > himl->cCurImage)))
2956 himl->nOvlIdx[iOverlay - 1] = iImage;
2962 /* helper for ImageList_Write - write bitmap to pstm
2963 * currently everything is written as 24 bit RGB, except masks
2966 _write_bitmap(HBITMAP hBitmap, LPSTREAM pstm)
2968 LPBITMAPFILEHEADER bmfh;
2969 LPBITMAPINFOHEADER bmih;
2970 LPBYTE data = NULL, lpBits;
2972 INT bitCount, sizeImage, offBits, totalSize;
2974 BOOL result = FALSE;
2976 if (!GetObjectW(hBitmap, sizeof(BITMAP), &bm))
2979 bitCount = bm.bmBitsPixel;
2980 sizeImage = get_dib_stride(bm.bmWidth, bitCount) * bm.bmHeight;
2982 totalSize = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER);
2984 totalSize += (1 << bitCount) * sizeof(RGBQUAD);
2985 offBits = totalSize;
2986 totalSize += sizeImage;
2988 data = Alloc(totalSize);
2989 bmfh = (LPBITMAPFILEHEADER)data;
2990 bmih = (LPBITMAPINFOHEADER)(data + sizeof(BITMAPFILEHEADER));
2991 lpBits = data + offBits;
2993 /* setup BITMAPFILEHEADER */
2994 bmfh->bfType = (('M' << 8) | 'B');
2995 bmfh->bfSize = offBits;
2996 bmfh->bfReserved1 = 0;
2997 bmfh->bfReserved2 = 0;
2998 bmfh->bfOffBits = offBits;
3000 /* setup BITMAPINFOHEADER */
3001 bmih->biSize = sizeof(BITMAPINFOHEADER);
3002 bmih->biWidth = bm.bmWidth;
3003 bmih->biHeight = bm.bmHeight;
3005 bmih->biBitCount = bitCount;
3006 bmih->biCompression = BI_RGB;
3007 bmih->biSizeImage = sizeImage;
3008 bmih->biXPelsPerMeter = 0;
3009 bmih->biYPelsPerMeter = 0;
3010 bmih->biClrUsed = 0;
3011 bmih->biClrImportant = 0;
3014 result = GetDIBits(xdc, hBitmap, 0, bm.bmHeight, lpBits, (BITMAPINFO *)bmih, DIB_RGB_COLORS) == bm.bmHeight;
3019 TRACE("width %u, height %u, planes %u, bpp %u\n",
3020 bmih->biWidth, bmih->biHeight,
3021 bmih->biPlanes, bmih->biBitCount);
3023 if(FAILED(IStream_Write(pstm, data, totalSize, NULL)))
3035 /*************************************************************************
3036 * ImageList_Write [COMCTL32.@]
3038 * Writes an image list to a stream.
3041 * himl [I] handle to image list
3042 * pstm [O] Pointer to a stream.
3053 ImageList_Write (HIMAGELIST himl, LPSTREAM pstm)
3058 TRACE("%p %p\n", himl, pstm);
3060 if (!is_valid(himl))
3063 ilHead.usMagic = (('L' << 8) | 'I');
3064 ilHead.usVersion = 0x101;
3065 ilHead.cCurImage = himl->cCurImage;
3066 ilHead.cMaxImage = himl->cMaxImage;
3067 ilHead.cGrow = himl->cGrow;
3068 ilHead.cx = himl->cx;
3069 ilHead.cy = himl->cy;
3070 ilHead.bkcolor = himl->clrBk;
3071 ilHead.flags = himl->flags;
3072 for(i = 0; i < 4; i++) {
3073 ilHead.ovls[i] = himl->nOvlIdx[i];
3076 TRACE("cx %u, cy %u, flags 0x04%x, cCurImage %u, cMaxImage %u\n",
3077 ilHead.cx, ilHead.cy, ilHead.flags, ilHead.cCurImage, ilHead.cMaxImage);
3079 if(FAILED(IStream_Write(pstm, &ilHead, sizeof(ILHEAD), NULL)))
3082 /* write the bitmap */
3083 if(!_write_bitmap(himl->hbmImage, pstm))
3086 /* write the mask if we have one */
3087 if(himl->flags & ILC_MASK) {
3088 if(!_write_bitmap(himl->hbmMask, pstm))
3096 static HBITMAP ImageList_CreateImage(HDC hdc, HIMAGELIST himl, UINT count)
3098 HBITMAP hbmNewBitmap;
3099 UINT ilc = (himl->flags & 0xFE);
3102 imagelist_get_bitmap_size( himl, count, &sz );
3104 if ((ilc >= ILC_COLOR4 && ilc <= ILC_COLOR32) || ilc == ILC_COLOR)
3106 char buffer[sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD)];
3107 BITMAPINFO *bmi = (BITMAPINFO *)buffer;
3109 TRACE("Creating DIBSection %d x %d, %d Bits per Pixel\n",
3110 sz.cx, sz.cy, himl->uBitsPixel);
3112 memset( buffer, 0, sizeof(buffer) );
3113 bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
3114 bmi->bmiHeader.biWidth = sz.cx;
3115 bmi->bmiHeader.biHeight = sz.cy;
3116 bmi->bmiHeader.biPlanes = 1;
3117 bmi->bmiHeader.biBitCount = himl->uBitsPixel;
3118 bmi->bmiHeader.biCompression = BI_RGB;
3120 if (himl->uBitsPixel <= ILC_COLOR8)
3122 /* retrieve the default color map */
3123 HBITMAP tmp = CreateBitmap( 1, 1, 1, 1, NULL );
3124 GetDIBits( hdc, tmp, 0, 0, NULL, bmi, DIB_RGB_COLORS );
3125 DeleteObject( tmp );
3127 hbmNewBitmap = CreateDIBSection(hdc, bmi, DIB_RGB_COLORS, NULL, 0, 0);
3129 else /*if (ilc == ILC_COLORDDB)*/
3131 TRACE("Creating Bitmap: %d Bits per Pixel\n", himl->uBitsPixel);
3133 hbmNewBitmap = CreateBitmap (sz.cx, sz.cy, 1, himl->uBitsPixel, NULL);
3135 TRACE("returning %p\n", hbmNewBitmap);
3136 return hbmNewBitmap;
3139 /*************************************************************************
3140 * ImageList_SetColorTable [COMCTL32.@]
3142 * Sets the color table of an image list.
3145 * himl [I] Handle to the image list.
3146 * uStartIndex [I] The first index to set.
3147 * cEntries [I] Number of entries to set.
3148 * prgb [I] New color information for color table for the image list.
3151 * Success: Number of entries in the table that were set.
3155 * ImageList_Create(), SetDIBColorTable()
3159 ImageList_SetColorTable (HIMAGELIST himl, UINT uStartIndex, UINT cEntries, CONST RGBQUAD * prgb)
3161 return SetDIBColorTable(himl->hdcImage, uStartIndex, cEntries, prgb);
3164 /*************************************************************************
3165 * ImageList_CoCreateInstance [COMCTL32.@]
3167 * Creates a new imagelist instance and returns an interface pointer to it.
3170 * rclsid [I] A reference to the CLSID (CLSID_ImageList).
3171 * punkOuter [I] Pointer to IUnknown interface for aggregation, if desired
3172 * riid [I] Identifier of the requested interface.
3173 * ppv [O] Returns the address of the pointer requested, or NULL.
3177 * Failure: Error value.
3180 ImageList_CoCreateInstance (REFCLSID rclsid, const IUnknown *punkOuter, REFIID riid, void **ppv)
3182 TRACE("(%s,%p,%s,%p)\n", debugstr_guid(rclsid), punkOuter, debugstr_guid(riid), ppv);
3184 if (!IsEqualCLSID(&CLSID_ImageList, rclsid))
3185 return E_NOINTERFACE;
3187 return ImageListImpl_CreateInstance(punkOuter, riid, ppv);
3191 /*************************************************************************
3192 * IImageList implementation
3195 static HRESULT WINAPI ImageListImpl_QueryInterface(IImageList *iface,
3196 REFIID iid, void **ppv)
3198 HIMAGELIST This = (HIMAGELIST) iface;
3199 TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
3201 if (!ppv) return E_INVALIDARG;
3203 if (IsEqualIID(&IID_IUnknown, iid) || IsEqualIID(&IID_IImageList, iid))
3208 return E_NOINTERFACE;
3211 IUnknown_AddRef((IUnknown*)*ppv);
3215 static ULONG WINAPI ImageListImpl_AddRef(IImageList *iface)
3217 HIMAGELIST This = (HIMAGELIST) iface;
3218 ULONG ref = InterlockedIncrement(&This->ref);
3220 TRACE("(%p) refcount=%u\n", iface, ref);
3224 static ULONG WINAPI ImageListImpl_Release(IImageList *iface)
3226 HIMAGELIST This = (HIMAGELIST) iface;
3227 ULONG ref = InterlockedDecrement(&This->ref);
3229 TRACE("(%p) refcount=%u\n", iface, ref);
3233 /* delete image bitmaps */
3234 if (This->hbmImage) DeleteObject (This->hbmImage);
3235 if (This->hbmMask) DeleteObject (This->hbmMask);
3237 /* delete image & mask DCs */
3238 if (This->hdcImage) DeleteDC (This->hdcImage);
3239 if (This->hdcMask) DeleteDC (This->hdcMask);
3241 /* delete blending brushes */
3242 if (This->hbrBlend25) DeleteObject (This->hbrBlend25);
3243 if (This->hbrBlend50) DeleteObject (This->hbrBlend50);
3245 This->lpVtbl = NULL;
3246 HeapFree(GetProcessHeap(), 0, This->has_alpha);
3247 HeapFree(GetProcessHeap(), 0, This);
3253 static HRESULT WINAPI ImageListImpl_Add(IImageList *iface, HBITMAP hbmImage,
3254 HBITMAP hbmMask, int *pi)
3256 HIMAGELIST This = (HIMAGELIST) iface;
3262 ret = ImageList_Add(This, hbmImage, hbmMask);
3271 static HRESULT WINAPI ImageListImpl_ReplaceIcon(IImageList *iface, int i,
3272 HICON hicon, int *pi)
3274 HIMAGELIST This = (HIMAGELIST) iface;
3280 ret = ImageList_ReplaceIcon(This, i, hicon);
3289 static HRESULT WINAPI ImageListImpl_SetOverlayImage(IImageList *iface,
3290 int iImage, int iOverlay)
3292 return ImageList_SetOverlayImage((HIMAGELIST) iface, iImage, iOverlay)
3296 static HRESULT WINAPI ImageListImpl_Replace(IImageList *iface, int i,
3297 HBITMAP hbmImage, HBITMAP hbmMask)
3299 return ImageList_Replace((HIMAGELIST) iface, i, hbmImage, hbmMask) ? S_OK :
3303 static HRESULT WINAPI ImageListImpl_AddMasked(IImageList *iface, HBITMAP hbmImage,
3304 COLORREF crMask, int *pi)
3306 HIMAGELIST This = (HIMAGELIST) iface;
3312 ret = ImageList_AddMasked(This, hbmImage, crMask);
3321 static HRESULT WINAPI ImageListImpl_Draw(IImageList *iface,
3322 IMAGELISTDRAWPARAMS *pimldp)
3324 HIMAGELIST This = (HIMAGELIST) iface;
3325 HIMAGELIST old_himl;
3328 /* As far as I can tell, Windows simply ignores the contents of pimldp->himl
3329 so we shall simulate the same */
3330 old_himl = pimldp->himl;
3331 pimldp->himl = This;
3333 ret = ImageList_DrawIndirect(pimldp);
3335 pimldp->himl = old_himl;
3336 return ret ? S_OK : E_INVALIDARG;
3339 static HRESULT WINAPI ImageListImpl_Remove(IImageList *iface, int i)
3341 return (ImageList_Remove((HIMAGELIST) iface, i) == 0) ? E_INVALIDARG : S_OK;
3344 static HRESULT WINAPI ImageListImpl_GetIcon(IImageList *iface, int i, UINT flags,
3352 hIcon = ImageList_GetIcon((HIMAGELIST) iface, i, flags);
3361 static HRESULT WINAPI ImageListImpl_GetImageInfo(IImageList *iface, int i,
3362 IMAGEINFO *pImageInfo)
3364 return ImageList_GetImageInfo((HIMAGELIST) iface, i, pImageInfo) ? S_OK : E_FAIL;
3367 static HRESULT WINAPI ImageListImpl_Copy(IImageList *iface, int iDst,
3368 IUnknown *punkSrc, int iSrc, UINT uFlags)
3370 HIMAGELIST This = (HIMAGELIST) iface;
3371 IImageList *src = NULL;
3377 /* TODO: Add test for IID_ImageList2 too */
3378 if (FAILED(IUnknown_QueryInterface(punkSrc, &IID_IImageList,
3382 if (ImageList_Copy(This, iDst, (HIMAGELIST) src, iSrc, uFlags))
3387 IImageList_Release(src);
3391 static HRESULT WINAPI ImageListImpl_Merge(IImageList *iface, int i1,
3392 IUnknown *punk2, int i2, int dx, int dy, REFIID riid, void **ppv)
3394 HIMAGELIST This = (HIMAGELIST) iface;
3395 IImageList *iml2 = NULL;
3397 HRESULT ret = E_FAIL;
3399 TRACE("(%p)->(%d %p %d %d %d %s %p)\n", iface, i1, punk2, i2, dx, dy, debugstr_guid(riid), ppv);
3401 /* TODO: Add test for IID_ImageList2 too */
3402 if (FAILED(IUnknown_QueryInterface(punk2, &IID_IImageList,
3406 hNew = ImageList_Merge(This, i1, (HIMAGELIST) iml2, i2, dx, dy);
3408 /* Get the interface for the new image list */
3411 IImageList *imerge = (IImageList*)hNew;
3413 ret = HIMAGELIST_QueryInterface(hNew, riid, ppv);
3414 IImageList_Release(imerge);
3417 IImageList_Release(iml2);
3421 static HRESULT WINAPI ImageListImpl_Clone(IImageList *iface, REFIID riid, void **ppv)
3423 HIMAGELIST This = (HIMAGELIST) iface;
3425 HRESULT ret = E_FAIL;
3427 TRACE("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppv);
3429 clone = ImageList_Duplicate(This);
3431 /* Get the interface for the new image list */
3434 IImageList *iclone = (IImageList*)clone;
3436 ret = HIMAGELIST_QueryInterface(clone, riid, ppv);
3437 IImageList_Release(iclone);
3443 static HRESULT WINAPI ImageListImpl_GetImageRect(IImageList *iface, int i,
3446 HIMAGELIST This = (HIMAGELIST) iface;
3452 if (!ImageList_GetImageInfo(This, i, &info))
3455 return CopyRect(prc, &info.rcImage) ? S_OK : E_FAIL;
3458 static HRESULT WINAPI ImageListImpl_GetIconSize(IImageList *iface, int *cx,
3461 HIMAGELIST This = (HIMAGELIST) iface;
3463 return ImageList_GetIconSize(This, cx, cy) ? S_OK : E_INVALIDARG;
3466 static HRESULT WINAPI ImageListImpl_SetIconSize(IImageList *iface, int cx,
3469 return ImageList_SetIconSize((HIMAGELIST) iface, cx, cy) ? S_OK : E_FAIL;
3472 static HRESULT WINAPI ImageListImpl_GetImageCount(IImageList *iface, int *pi)
3474 *pi = ImageList_GetImageCount((HIMAGELIST) iface);
3478 static HRESULT WINAPI ImageListImpl_SetImageCount(IImageList *iface,
3481 return ImageList_SetImageCount((HIMAGELIST) iface, uNewCount) ? S_OK : E_FAIL;
3484 static HRESULT WINAPI ImageListImpl_SetBkColor(IImageList *iface, COLORREF clrBk,
3487 *pclr = ImageList_SetBkColor((HIMAGELIST) iface, clrBk);
3491 static HRESULT WINAPI ImageListImpl_GetBkColor(IImageList *iface, COLORREF *pclr)
3493 *pclr = ImageList_GetBkColor((HIMAGELIST) iface);
3497 static HRESULT WINAPI ImageListImpl_BeginDrag(IImageList *iface, int iTrack,
3498 int dxHotspot, int dyHotspot)
3500 return ImageList_BeginDrag((HIMAGELIST) iface, iTrack, dxHotspot, dyHotspot) ? S_OK : E_FAIL;
3503 static HRESULT WINAPI ImageListImpl_EndDrag(IImageList *iface)
3505 ImageList_EndDrag();
3509 static HRESULT WINAPI ImageListImpl_DragEnter(IImageList *iface, HWND hwndLock,
3512 return ImageList_DragEnter(hwndLock, x, y) ? S_OK : E_FAIL;
3515 static HRESULT WINAPI ImageListImpl_DragLeave(IImageList *iface, HWND hwndLock)
3517 return ImageList_DragLeave(hwndLock) ? S_OK : E_FAIL;
3520 static HRESULT WINAPI ImageListImpl_DragMove(IImageList *iface, int x, int y)
3522 return ImageList_DragMove(x, y) ? S_OK : E_FAIL;
3525 static HRESULT WINAPI ImageListImpl_SetDragCursorImage(IImageList *iface,
3526 IUnknown *punk, int iDrag, int dxHotspot, int dyHotspot)
3528 IImageList *iml2 = NULL;
3534 /* TODO: Add test for IID_ImageList2 too */
3535 if (FAILED(IUnknown_QueryInterface(punk, &IID_IImageList,
3539 ret = ImageList_SetDragCursorImage((HIMAGELIST) iml2, iDrag, dxHotspot,
3542 IImageList_Release(iml2);
3544 return ret ? S_OK : E_FAIL;
3547 static HRESULT WINAPI ImageListImpl_DragShowNolock(IImageList *iface, BOOL fShow)
3549 return ImageList_DragShowNolock(fShow) ? S_OK : E_FAIL;
3552 static HRESULT WINAPI ImageListImpl_GetDragImage(IImageList *iface, POINT *ppt,
3553 POINT *pptHotspot, REFIID riid, PVOID *ppv)
3555 HRESULT ret = E_FAIL;
3561 hNew = ImageList_GetDragImage(ppt, pptHotspot);
3563 /* Get the interface for the new image list */
3566 IImageList *idrag = (IImageList*)hNew;
3568 ret = HIMAGELIST_QueryInterface(hNew, riid, ppv);
3569 IImageList_Release(idrag);
3575 static HRESULT WINAPI ImageListImpl_GetItemFlags(IImageList *iface, int i,
3578 FIXME("STUB: %p %d %p\n", iface, i, dwFlags);
3582 static HRESULT WINAPI ImageListImpl_GetOverlayImage(IImageList *iface, int iOverlay,
3585 HIMAGELIST This = (HIMAGELIST) iface;
3588 if ((iOverlay < 0) || (iOverlay > This->cCurImage))
3591 for (i = 0; i < MAX_OVERLAYIMAGE; i++)
3593 if (This->nOvlIdx[i] == iOverlay)
3604 static const IImageListVtbl ImageListImpl_Vtbl = {
3605 ImageListImpl_QueryInterface,
3606 ImageListImpl_AddRef,
3607 ImageListImpl_Release,
3609 ImageListImpl_ReplaceIcon,
3610 ImageListImpl_SetOverlayImage,
3611 ImageListImpl_Replace,
3612 ImageListImpl_AddMasked,
3614 ImageListImpl_Remove,
3615 ImageListImpl_GetIcon,
3616 ImageListImpl_GetImageInfo,
3618 ImageListImpl_Merge,
3619 ImageListImpl_Clone,
3620 ImageListImpl_GetImageRect,
3621 ImageListImpl_GetIconSize,
3622 ImageListImpl_SetIconSize,
3623 ImageListImpl_GetImageCount,
3624 ImageListImpl_SetImageCount,
3625 ImageListImpl_SetBkColor,
3626 ImageListImpl_GetBkColor,
3627 ImageListImpl_BeginDrag,
3628 ImageListImpl_EndDrag,
3629 ImageListImpl_DragEnter,
3630 ImageListImpl_DragLeave,
3631 ImageListImpl_DragMove,
3632 ImageListImpl_SetDragCursorImage,
3633 ImageListImpl_DragShowNolock,
3634 ImageListImpl_GetDragImage,
3635 ImageListImpl_GetItemFlags,
3636 ImageListImpl_GetOverlayImage
3639 static BOOL is_valid(HIMAGELIST himl)
3644 valid = himl && himl->lpVtbl == &ImageListImpl_Vtbl;
3654 /*************************************************************************
3655 * HIMAGELIST_QueryInterface [COMCTL32.@]
3657 * Returns a pointer to an IImageList or IImageList2 object for the given
3661 * himl [I] Image list handle.
3662 * riid [I] Identifier of the requested interface.
3663 * ppv [O] Returns the address of the pointer requested, or NULL.
3667 * Failure: Error value.
3670 HIMAGELIST_QueryInterface (HIMAGELIST himl, REFIID riid, void **ppv)
3672 TRACE("(%p,%s,%p)\n", himl, debugstr_guid(riid), ppv);
3673 return IImageList_QueryInterface((IImageList *) himl, riid, ppv);
3676 static HRESULT ImageListImpl_CreateInstance(const IUnknown *pUnkOuter, REFIID iid, void** ppv)
3681 TRACE("(%p,%s,%p)\n", pUnkOuter, debugstr_guid(iid), ppv);
3685 if (pUnkOuter) return CLASS_E_NOAGGREGATION;
3687 This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct _IMAGELIST));
3688 if (!This) return E_OUTOFMEMORY;
3690 This->lpVtbl = &ImageListImpl_Vtbl;
3693 ret = IUnknown_QueryInterface((IUnknown*)This, iid, ppv);
3694 IUnknown_Release((IUnknown*)This);