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
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 * This code was audited for completeness against the documented features
27 * of Comctl32.dll version 6.0 on Sep. 12, 2002, by Dimitrie O. Paun.
29 * Unless otherwise noted, we believe this code to be complete, as per
30 * the specification mentioned above.
31 * If you discover missing features, or bugs, please note them below.
34 * - Add support for ILD_PRESERVEALPHA, ILD_SCALE, ILD_DPISCALE
35 * - Add support for ILS_GLOW, ILS_SHADOW, ILS_SATURATE, ILS_ALPHA
36 * - Thread-safe locking
53 #include "imagelist.h"
54 #include "wine/debug.h"
56 WINE_DEFAULT_DEBUG_CHANNEL(imagelist);
59 #define MAX_OVERLAYIMAGE 15
61 /* internal image list data used for Drag & Drop operations */
66 /* position of the drag image relative to the window */
69 /* offset of the hotspot relative to the origin of the image */
72 /* is the drag image visible */
74 /* saved background */
78 static INTERNALDRAG InternalDrag = { 0, 0, 0, 0, 0, 0, FALSE, 0 };
80 static HBITMAP ImageList_CreateImage(HDC hdc, HIMAGELIST himl, UINT count, UINT height);
82 static inline BOOL is_valid(HIMAGELIST himl)
84 return himl && himl->magic == IMAGELIST_MAGIC;
88 * An imagelist with N images is tiled like this:
100 static inline UINT imagelist_width( UINT count )
102 return ((count + TILE_COUNT - 1)/TILE_COUNT);
105 static inline void imagelist_point_from_index( HIMAGELIST himl, UINT index, LPPOINT pt )
107 pt->x = (index/TILE_COUNT) * himl->cx;
108 pt->y = (index%TILE_COUNT) * himl->cy;
111 static inline void imagelist_get_bitmap_size( HIMAGELIST himl, UINT count, UINT cy, SIZE *sz )
113 sz->cx = imagelist_width( count ) * himl->cx;
114 sz->cy = cy*TILE_COUNT;
118 * imagelist_copy_images()
120 * Copies a block of count images from offset src in the list to offset dest.
121 * Images are copied a row at at time. Assumes hdcSrc and hdcDest are different.
123 static inline void imagelist_copy_images( HIMAGELIST himl, HDC hdcSrc, HDC hdcDest,
124 UINT src, UINT count, UINT dest )
130 for ( i=0; i<TILE_COUNT; i++ )
132 imagelist_point_from_index( himl, src+i, &ptSrc );
133 imagelist_point_from_index( himl, dest+i, &ptDest );
134 sz.cx = himl->cx * imagelist_width( count - i );
137 BitBlt( hdcDest, ptDest.x, ptDest.y, sz.cx, sz.cy,
138 hdcSrc, ptSrc.x, ptSrc.y, SRCCOPY );
142 /*************************************************************************
143 * IMAGELIST_InternalExpandBitmaps [Internal]
145 * Expands the bitmaps of an image list by the given number of images.
148 * himl [I] handle to image list
149 * nImageCount [I] number of images to add
155 * This function CANNOT be used to reduce the number of images.
158 IMAGELIST_InternalExpandBitmaps (HIMAGELIST himl, INT nImageCount, INT cx, INT cy)
161 HBITMAP hbmNewBitmap, hbmNull;
165 if ((himl->cCurImage + nImageCount <= himl->cMaxImage)
169 if (cy == 0) cy = himl->cy;
170 nNewCount = himl->cCurImage + nImageCount + himl->cGrow;
172 imagelist_get_bitmap_size(himl, nNewCount, cy, &sz);
174 TRACE("Create expanded bitmaps : himl=%p x=%d y=%d count=%d\n", himl, sz.cx, cy, nNewCount);
175 hdcBitmap = CreateCompatibleDC (0);
177 hbmNewBitmap = ImageList_CreateImage(hdcBitmap, himl, nNewCount, cy);
179 if (hbmNewBitmap == 0)
180 ERR("creating new image bitmap (x=%d y=%d)!\n", sz.cx, cy);
184 hbmNull = SelectObject (hdcBitmap, hbmNewBitmap);
185 BitBlt (hdcBitmap, 0, 0, sz.cx, sz.cy,
186 himl->hdcImage, 0, 0, SRCCOPY);
187 SelectObject (hdcBitmap, hbmNull);
189 SelectObject (himl->hdcImage, hbmNewBitmap);
190 DeleteObject (himl->hbmImage);
191 himl->hbmImage = hbmNewBitmap;
193 if (himl->flags & ILC_MASK)
195 hbmNewBitmap = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
197 if (hbmNewBitmap == 0)
198 ERR("creating new mask bitmap!\n");
202 hbmNull = SelectObject (hdcBitmap, hbmNewBitmap);
203 BitBlt (hdcBitmap, 0, 0, sz.cx, sz.cy,
204 himl->hdcMask, 0, 0, SRCCOPY);
205 SelectObject (hdcBitmap, hbmNull);
207 SelectObject (himl->hdcMask, hbmNewBitmap);
208 DeleteObject (himl->hbmMask);
209 himl->hbmMask = hbmNewBitmap;
212 himl->cMaxImage = nNewCount;
214 DeleteDC (hdcBitmap);
218 /*************************************************************************
219 * ImageList_Add [COMCTL32.@]
221 * Add an image or images to an image list.
224 * himl [I] handle to image list
225 * hbmImage [I] handle to image bitmap
226 * hbmMask [I] handle to mask bitmap
229 * Success: Index of the first new image.
234 ImageList_Add (HIMAGELIST himl, HBITMAP hbmImage, HBITMAP hbmMask)
236 HDC hdcBitmap, hdcTemp;
237 INT nFirstIndex, nImageCount, i;
239 HBITMAP hOldBitmap, hOldBitmapTemp;
242 TRACE("himl=%p hbmimage=%p hbmmask=%p\n", himl, hbmImage, hbmMask);
246 if (!GetObjectW(hbmImage, sizeof(BITMAP), (LPVOID)&bmp))
249 nImageCount = bmp.bmWidth / himl->cx;
251 IMAGELIST_InternalExpandBitmaps (himl, nImageCount, bmp.bmWidth, bmp.bmHeight);
253 hdcBitmap = CreateCompatibleDC(0);
255 hOldBitmap = SelectObject(hdcBitmap, hbmImage);
257 for (i=0; i<nImageCount; i++)
259 imagelist_point_from_index( himl, himl->cCurImage + i, &pt );
261 /* Copy result to the imagelist
263 BitBlt( himl->hdcImage, pt.x, pt.y, himl->cx, bmp.bmHeight,
264 hdcBitmap, i*himl->cx, 0, SRCCOPY );
269 hdcTemp = CreateCompatibleDC(0);
270 hOldBitmapTemp = SelectObject(hdcTemp, hbmMask);
272 BitBlt( himl->hdcMask, pt.x, pt.y, himl->cx, bmp.bmHeight,
273 hdcTemp, i*himl->cx, 0, SRCCOPY );
275 SelectObject(hdcTemp, hOldBitmapTemp);
278 /* Remove the background from the image
280 BitBlt( himl->hdcImage, pt.x, pt.y, himl->cx, bmp.bmHeight,
281 himl->hdcMask, pt.x, pt.y, 0x220326 ); /* NOTSRCAND */
284 SelectObject(hdcBitmap, hOldBitmap);
287 nFirstIndex = himl->cCurImage;
288 himl->cCurImage += nImageCount;
294 /*************************************************************************
295 * ImageList_AddIcon [COMCTL32.@]
297 * Adds an icon to an image list.
300 * himl [I] handle to image list
301 * hIcon [I] handle to icon
304 * Success: index of the new image
307 #undef ImageList_AddIcon
308 INT WINAPI ImageList_AddIcon (HIMAGELIST himl, HICON hIcon)
310 return ImageList_ReplaceIcon (himl, -1, hIcon);
314 /*************************************************************************
315 * ImageList_AddMasked [COMCTL32.@]
317 * Adds an image or images to an image list and creates a mask from the
318 * specified bitmap using the mask color.
321 * himl [I] handle to image list.
322 * hBitmap [I] handle to bitmap
323 * clrMask [I] mask color.
326 * Success: Index of the first new image.
331 ImageList_AddMasked (HIMAGELIST himl, HBITMAP hBitmap, COLORREF clrMask)
333 HDC hdcMask, hdcBitmap;
334 INT i, nIndex, nImageCount;
337 HBITMAP hMaskBitmap=0;
341 TRACE("himl=%p hbitmap=%p clrmask=%x\n", himl, hBitmap, clrMask);
345 if (!GetObjectW(hBitmap, sizeof(BITMAP), &bmp))
349 nImageCount = bmp.bmWidth / himl->cx;
353 IMAGELIST_InternalExpandBitmaps (himl, nImageCount, bmp.bmWidth, bmp.bmHeight);
355 nIndex = himl->cCurImage;
356 himl->cCurImage += nImageCount;
358 hdcBitmap = CreateCompatibleDC(0);
359 hOldBitmap = SelectObject(hdcBitmap, hBitmap);
361 /* Create a temp Mask so we can remove the background of the Image */
362 hdcMask = CreateCompatibleDC(0);
363 hMaskBitmap = CreateBitmap(bmp.bmWidth, bmp.bmHeight, 1, 1, NULL);
364 SelectObject(hdcMask, hMaskBitmap);
366 /* create monochrome image to the mask bitmap */
367 bkColor = (clrMask != CLR_DEFAULT) ? clrMask : GetPixel (hdcBitmap, 0, 0);
368 SetBkColor (hdcBitmap, bkColor);
369 BitBlt (hdcMask, 0, 0, bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
371 SetBkColor(hdcBitmap, RGB(255,255,255));
374 * Remove the background from the image
376 * WINDOWS BUG ALERT!!!!!!
377 * The statement below should not be done in common practice
378 * but this is how ImageList_AddMasked works in Windows.
379 * It overwrites the original bitmap passed, this was discovered
380 * by using the same bitmap to iterate the different styles
381 * on windows where it failed (BUT ImageList_Add is OK)
382 * This is here in case some apps rely on this bug
384 * Blt mode 0x220326 is NOTSRCAND
386 BitBlt(hdcBitmap, 0, 0, bmp.bmWidth, bmp.bmHeight, hdcMask, 0, 0, 0x220326);
388 /* Copy result to the imagelist */
389 for (i=0; i<nImageCount; i++)
391 imagelist_point_from_index( himl, nIndex + i, &pt );
392 BitBlt(himl->hdcImage, pt.x, pt.y, himl->cx, bmp.bmHeight,
393 hdcBitmap, i*himl->cx, 0, SRCCOPY);
394 BitBlt(himl->hdcMask, pt.x, pt.y, himl->cx, bmp.bmHeight,
395 hdcMask, i*himl->cx, 0, SRCCOPY);
399 SelectObject(hdcBitmap, hOldBitmap);
401 DeleteObject(hMaskBitmap);
408 /*************************************************************************
409 * ImageList_BeginDrag [COMCTL32.@]
411 * Creates a temporary image list that contains one image. It will be used
415 * himlTrack [I] handle to the source image list
416 * iTrack [I] index of the drag image in the source image list
417 * dxHotspot [I] X position of the hot spot of the drag image
418 * dyHotspot [I] Y position of the hot spot of the drag image
426 ImageList_BeginDrag (HIMAGELIST himlTrack, INT iTrack,
427 INT dxHotspot, INT dyHotspot)
431 TRACE("(himlTrack=%p iTrack=%d dx=%d dy=%d)\n", himlTrack, iTrack,
432 dxHotspot, dyHotspot);
434 if (!is_valid(himlTrack))
437 if (InternalDrag.himl)
438 ImageList_EndDrag ();
443 InternalDrag.himl = ImageList_Create (cx, cy, himlTrack->flags, 1, 1);
444 if (InternalDrag.himl == NULL) {
445 WARN("Error creating drag image list!\n");
449 InternalDrag.dxHotspot = dxHotspot;
450 InternalDrag.dyHotspot = dyHotspot;
453 BitBlt (InternalDrag.himl->hdcImage, 0, 0, cx, cy, himlTrack->hdcImage, iTrack * cx, 0, SRCCOPY);
456 BitBlt (InternalDrag.himl->hdcMask, 0, 0, cx, cy, himlTrack->hdcMask, iTrack * cx, 0, SRCCOPY);
458 InternalDrag.himl->cCurImage = 1;
464 /*************************************************************************
465 * ImageList_Copy [COMCTL32.@]
467 * Copies an image of the source image list to an image of the
468 * destination image list. Images can be copied or swapped.
471 * himlDst [I] handle to the destination image list
472 * iDst [I] destination image index.
473 * himlSrc [I] handle to the source image list
474 * iSrc [I] source image index
475 * uFlags [I] flags for the copy operation
482 * Copying from one image list to another is possible. The original
483 * implementation just copies or swaps within one image list.
484 * Could this feature become a bug??? ;-)
488 ImageList_Copy (HIMAGELIST himlDst, INT iDst, HIMAGELIST himlSrc,
489 INT iSrc, UINT uFlags)
493 TRACE("himlDst=%p iDst=%d himlSrc=%p iSrc=%d\n", himlDst, iDst, himlSrc, iSrc);
495 if (!is_valid(himlSrc) || !is_valid(himlDst))
497 if ((iDst < 0) || (iDst >= himlDst->cCurImage))
499 if ((iSrc < 0) || (iSrc >= himlSrc->cCurImage))
502 imagelist_point_from_index( himlDst, iDst, &ptDst );
503 imagelist_point_from_index( himlSrc, iSrc, &ptSrc );
505 if (uFlags & ILCF_SWAP) {
508 HBITMAP hbmTempImage, hbmTempMask;
510 hdcBmp = CreateCompatibleDC (0);
512 /* create temporary bitmaps */
513 hbmTempImage = CreateBitmap (himlSrc->cx, himlSrc->cy, 1,
514 himlSrc->uBitsPixel, NULL);
515 hbmTempMask = CreateBitmap (himlSrc->cx, himlSrc->cy, 1,
518 /* copy (and stretch) destination to temporary bitmaps.(save) */
520 SelectObject (hdcBmp, hbmTempImage);
521 StretchBlt (hdcBmp, 0, 0, himlSrc->cx, himlSrc->cy,
522 himlDst->hdcImage, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
525 SelectObject (hdcBmp, hbmTempMask);
526 StretchBlt (hdcBmp, 0, 0, himlSrc->cx, himlSrc->cy,
527 himlDst->hdcMask, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
530 /* copy (and stretch) source to destination */
532 StretchBlt (himlDst->hdcImage, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
533 himlSrc->hdcImage, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
536 StretchBlt (himlDst->hdcMask, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
537 himlSrc->hdcMask, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
540 /* copy (without stretching) temporary bitmaps to source (restore) */
542 BitBlt (himlSrc->hdcMask, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
543 hdcBmp, 0, 0, SRCCOPY);
546 BitBlt (himlSrc->hdcImage, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
547 hdcBmp, 0, 0, SRCCOPY);
548 /* delete temporary bitmaps */
549 DeleteObject (hbmTempMask);
550 DeleteObject (hbmTempImage);
555 StretchBlt (himlDst->hdcImage, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
556 himlSrc->hdcImage, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
560 StretchBlt (himlDst->hdcMask, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
561 himlSrc->hdcMask, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
569 /*************************************************************************
570 * ImageList_Create [COMCTL32.@]
572 * Creates a new image list.
575 * cx [I] image height
577 * flags [I] creation flags
578 * cInitial [I] initial number of images in the image list
579 * cGrow [I] number of images by which image list grows
582 * Success: Handle to the created image list
586 ImageList_Create (INT cx, INT cy, UINT flags,
587 INT cInitial, INT cGrow)
592 UINT ilc = (flags & 0xFE);
593 static const WORD aBitBlend25[] =
594 {0xAA, 0x00, 0x55, 0x00, 0xAA, 0x00, 0x55, 0x00};
596 static const WORD aBitBlend50[] =
597 {0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA};
599 TRACE("(%d %d 0x%x %d %d)\n", cx, cy, flags, cInitial, cGrow);
601 himl = (HIMAGELIST)Alloc (sizeof(struct _IMAGELIST));
605 cGrow = (cGrow < 4) ? 4 : (cGrow + 3) & ~3;
607 himl->magic = IMAGELIST_MAGIC;
611 himl->cMaxImage = cInitial + cGrow;
612 himl->cInitial = cInitial;
614 himl->clrFg = CLR_DEFAULT;
615 himl->clrBk = CLR_NONE;
617 /* initialize overlay mask indices */
618 for (nCount = 0; nCount < MAX_OVERLAYIMAGE; nCount++)
619 himl->nOvlIdx[nCount] = -1;
621 /* Create Image & Mask DCs */
622 himl->hdcImage = CreateCompatibleDC (0);
625 if (himl->flags & ILC_MASK){
626 himl->hdcMask = CreateCompatibleDC(0);
631 /* Default to ILC_COLOR4 if none of the ILC_COLOR* flags are specified */
632 if (ilc == ILC_COLOR)
635 if (ilc >= ILC_COLOR4 && ilc <= ILC_COLOR32)
636 himl->uBitsPixel = ilc;
638 himl->uBitsPixel = (UINT)GetDeviceCaps (himl->hdcImage, BITSPIXEL);
640 if (himl->cMaxImage > 0) {
641 himl->hbmImage = ImageList_CreateImage(himl->hdcImage, himl, himl->cMaxImage, cy);
642 SelectObject(himl->hdcImage, himl->hbmImage);
646 if ((himl->cMaxImage > 0) && (himl->flags & ILC_MASK)) {
649 imagelist_get_bitmap_size(himl, himl->cMaxImage, himl->cy, &sz);
650 himl->hbmMask = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
651 if (himl->hbmMask == 0) {
652 ERR("Error creating mask bitmap!\n");
655 SelectObject(himl->hdcMask, himl->hbmMask);
660 /* create blending brushes */
661 hbmTemp = CreateBitmap (8, 8, 1, 1, &aBitBlend25);
662 himl->hbrBlend25 = CreatePatternBrush (hbmTemp);
663 DeleteObject (hbmTemp);
665 hbmTemp = CreateBitmap (8, 8, 1, 1, &aBitBlend50);
666 himl->hbrBlend50 = CreatePatternBrush (hbmTemp);
667 DeleteObject (hbmTemp);
669 TRACE("created imagelist %p\n", himl);
673 if (himl) ImageList_Destroy(himl);
678 /*************************************************************************
679 * ImageList_Destroy [COMCTL32.@]
681 * Destroys an image list.
684 * himl [I] handle to image list
692 ImageList_Destroy (HIMAGELIST himl)
697 /* delete image bitmaps */
699 DeleteObject (himl->hbmImage);
701 DeleteObject (himl->hbmMask);
703 /* delete image & mask DCs */
705 DeleteDC(himl->hdcImage);
707 DeleteDC(himl->hdcMask);
709 /* delete blending brushes */
710 if (himl->hbrBlend25)
711 DeleteObject (himl->hbrBlend25);
712 if (himl->hbrBlend50)
713 DeleteObject (himl->hbrBlend50);
715 ZeroMemory(himl, sizeof(*himl));
722 /*************************************************************************
723 * ImageList_DragEnter [COMCTL32.@]
725 * Locks window update and displays the drag image at the given position.
728 * hwndLock [I] handle of the window that owns the drag image.
729 * x [I] X position of the drag image.
730 * y [I] Y position of the drag image.
737 * The position of the drag image is relative to the window, not
742 ImageList_DragEnter (HWND hwndLock, INT x, INT y)
744 TRACE("(hwnd=%p x=%d y=%d)\n", hwndLock, x, y);
746 if (!is_valid(InternalDrag.himl))
750 InternalDrag.hwnd = hwndLock;
752 InternalDrag.hwnd = GetDesktopWindow ();
757 /* draw the drag image and save the background */
758 if (!ImageList_DragShowNolock(TRUE)) {
766 /*************************************************************************
767 * ImageList_DragLeave [COMCTL32.@]
769 * Unlocks window update and hides the drag image.
772 * hwndLock [I] handle of the window that owns the drag image.
780 ImageList_DragLeave (HWND hwndLock)
782 /* As we don't save drag info in the window this can lead to problems if
783 an app does not supply the same window as DragEnter */
785 InternalDrag.hwnd = hwndLock;
787 InternalDrag.hwnd = GetDesktopWindow (); */
789 hwndLock = GetDesktopWindow();
790 if(InternalDrag.hwnd != hwndLock)
791 FIXME("DragLeave hWnd != DragEnter hWnd\n");
793 ImageList_DragShowNolock (FALSE);
799 /*************************************************************************
800 * ImageList_InternalDragDraw [Internal]
802 * Draws the drag image.
805 * hdc [I] device context to draw into.
806 * x [I] X position of the drag image.
807 * y [I] Y position of the drag image.
814 * The position of the drag image is relative to the window, not
820 ImageList_InternalDragDraw (HDC hdc, INT x, INT y)
822 IMAGELISTDRAWPARAMS imldp;
824 ZeroMemory (&imldp, sizeof(imldp));
825 imldp.cbSize = sizeof(imldp);
826 imldp.himl = InternalDrag.himl;
831 imldp.rgbBk = CLR_DEFAULT;
832 imldp.rgbFg = CLR_DEFAULT;
833 imldp.fStyle = ILD_NORMAL;
834 imldp.fState = ILS_ALPHA;
837 /* FIXME: instead of using the alpha blending, we should
838 * create a 50% mask, and draw it semitransparantly that way */
839 ImageList_DrawIndirect (&imldp);
842 /*************************************************************************
843 * ImageList_DragMove [COMCTL32.@]
845 * Moves the drag image.
848 * x [I] X position of the drag image.
849 * y [I] Y position of the drag image.
856 * The position of the drag image is relative to the window, not
860 * The drag image should be drawn semitransparent.
864 ImageList_DragMove (INT x, INT y)
866 TRACE("(x=%d y=%d)\n", x, y);
868 if (!is_valid(InternalDrag.himl))
871 /* draw/update the drag image */
872 if (InternalDrag.bShow) {
876 HBITMAP hbmOffScreen;
877 INT origNewX, origNewY;
878 INT origOldX, origOldY;
879 INT origRegX, origRegY;
880 INT sizeRegX, sizeRegY;
883 /* calculate the update region */
884 origNewX = x - InternalDrag.dxHotspot;
885 origNewY = y - InternalDrag.dyHotspot;
886 origOldX = InternalDrag.x - InternalDrag.dxHotspot;
887 origOldY = InternalDrag.y - InternalDrag.dyHotspot;
888 origRegX = min(origNewX, origOldX);
889 origRegY = min(origNewY, origOldY);
890 sizeRegX = InternalDrag.himl->cx + abs(x - InternalDrag.x);
891 sizeRegY = InternalDrag.himl->cy + abs(y - InternalDrag.y);
893 hdcDrag = GetDCEx(InternalDrag.hwnd, 0,
894 DCX_WINDOW | DCX_CACHE | DCX_LOCKWINDOWUPDATE);
895 hdcOffScreen = CreateCompatibleDC(hdcDrag);
896 hdcBg = CreateCompatibleDC(hdcDrag);
898 hbmOffScreen = CreateCompatibleBitmap(hdcDrag, sizeRegX, sizeRegY);
899 SelectObject(hdcOffScreen, hbmOffScreen);
900 SelectObject(hdcBg, InternalDrag.hbmBg);
902 /* get the actual background of the update region */
903 BitBlt(hdcOffScreen, 0, 0, sizeRegX, sizeRegY, hdcDrag,
904 origRegX, origRegY, SRCCOPY);
905 /* erase the old image */
906 BitBlt(hdcOffScreen, origOldX - origRegX, origOldY - origRegY,
907 InternalDrag.himl->cx, InternalDrag.himl->cy, hdcBg, 0, 0,
909 /* save the background */
910 BitBlt(hdcBg, 0, 0, InternalDrag.himl->cx, InternalDrag.himl->cy,
911 hdcOffScreen, origNewX - origRegX, origNewY - origRegY, SRCCOPY);
913 ImageList_InternalDragDraw(hdcOffScreen, origNewX - origRegX,
914 origNewY - origRegY);
915 /* draw the update region to the screen */
916 BitBlt(hdcDrag, origRegX, origRegY, sizeRegX, sizeRegY,
917 hdcOffScreen, 0, 0, SRCCOPY);
920 DeleteDC(hdcOffScreen);
921 DeleteObject(hbmOffScreen);
922 ReleaseDC(InternalDrag.hwnd, hdcDrag);
925 /* update the image position */
933 /*************************************************************************
934 * ImageList_DragShowNolock [COMCTL32.@]
936 * Shows or hides the drag image.
939 * bShow [I] TRUE shows the drag image, FALSE hides it.
946 * The drag image should be drawn semitransparent.
950 ImageList_DragShowNolock (BOOL bShow)
956 if (!is_valid(InternalDrag.himl))
959 TRACE("bShow=0x%X!\n", bShow);
961 /* DragImage is already visible/hidden */
962 if ((InternalDrag.bShow && bShow) || (!InternalDrag.bShow && !bShow)) {
966 /* position of the origin of the DragImage */
967 x = InternalDrag.x - InternalDrag.dxHotspot;
968 y = InternalDrag.y - InternalDrag.dyHotspot;
970 hdcDrag = GetDCEx (InternalDrag.hwnd, 0,
971 DCX_WINDOW | DCX_CACHE | DCX_LOCKWINDOWUPDATE);
976 hdcBg = CreateCompatibleDC(hdcDrag);
977 if (!InternalDrag.hbmBg) {
978 InternalDrag.hbmBg = CreateCompatibleBitmap(hdcDrag,
979 InternalDrag.himl->cx, InternalDrag.himl->cy);
981 SelectObject(hdcBg, InternalDrag.hbmBg);
984 /* save the background */
985 BitBlt(hdcBg, 0, 0, InternalDrag.himl->cx, InternalDrag.himl->cy,
986 hdcDrag, x, y, SRCCOPY);
988 ImageList_InternalDragDraw(hdcDrag, x, y);
991 BitBlt(hdcDrag, x, y, InternalDrag.himl->cx, InternalDrag.himl->cy,
992 hdcBg, 0, 0, SRCCOPY);
995 InternalDrag.bShow = !InternalDrag.bShow;
998 ReleaseDC (InternalDrag.hwnd, hdcDrag);
1003 /*************************************************************************
1004 * ImageList_Draw [COMCTL32.@]
1009 * himl [I] handle to image list
1011 * hdc [I] handle to device context
1014 * fStyle [I] drawing flags
1025 ImageList_Draw (HIMAGELIST himl, INT i, HDC hdc, INT x, INT y, UINT fStyle)
1027 return ImageList_DrawEx (himl, i, hdc, x, y, 0, 0,
1028 CLR_DEFAULT, CLR_DEFAULT, fStyle);
1032 /*************************************************************************
1033 * ImageList_DrawEx [COMCTL32.@]
1035 * Draws an image and allows to use extended drawing features.
1038 * himl [I] handle to image list
1040 * hdc [I] handle to device context
1045 * rgbBk [I] background color
1046 * rgbFg [I] foreground color
1047 * fStyle [I] drawing flags
1054 * Calls ImageList_DrawIndirect.
1057 * ImageList_DrawIndirect.
1061 ImageList_DrawEx (HIMAGELIST himl, INT i, HDC hdc, INT x, INT y,
1062 INT dx, INT dy, COLORREF rgbBk, COLORREF rgbFg,
1065 IMAGELISTDRAWPARAMS imldp;
1067 ZeroMemory (&imldp, sizeof(imldp));
1068 imldp.cbSize = sizeof(imldp);
1076 imldp.rgbBk = rgbBk;
1077 imldp.rgbFg = rgbFg;
1078 imldp.fStyle = fStyle;
1080 return ImageList_DrawIndirect (&imldp);
1084 /*************************************************************************
1085 * ImageList_DrawIndirect [COMCTL32.@]
1087 * Draws an image using various parameters specified in pimldp.
1090 * pimldp [I] pointer to IMAGELISTDRAWPARAMS structure.
1098 ImageList_DrawIndirect (IMAGELISTDRAWPARAMS *pimldp)
1100 INT cx, cy, nOvlIdx;
1101 DWORD fState, dwRop;
1103 COLORREF oldImageBk, oldImageFg;
1104 HDC hImageDC, hImageListDC, hMaskListDC;
1105 HBITMAP hImageBmp, hOldImageBmp, hBlendMaskBmp;
1106 BOOL bIsTransparent, bBlend, bResult = FALSE, bMask;
1110 if (!pimldp || !(himl = pimldp->himl)) return FALSE;
1111 if (!is_valid(himl)) return FALSE;
1112 if ((pimldp->i < 0) || (pimldp->i >= himl->cCurImage)) return FALSE;
1114 imagelist_point_from_index( himl, pimldp->i, &pt );
1115 pt.x += pimldp->xBitmap;
1116 pt.y += pimldp->yBitmap;
1118 fState = pimldp->cbSize < sizeof(IMAGELISTDRAWPARAMS) ? ILS_NORMAL : pimldp->fState;
1119 fStyle = pimldp->fStyle & ~ILD_OVERLAYMASK;
1120 cx = (pimldp->cx == 0) ? himl->cx : pimldp->cx;
1121 cy = (pimldp->cy == 0) ? himl->cy : pimldp->cy;
1123 bIsTransparent = (fStyle & ILD_TRANSPARENT);
1124 if( pimldp->rgbBk == CLR_NONE )
1125 bIsTransparent = TRUE;
1126 if( ( pimldp->rgbBk == CLR_DEFAULT ) && ( himl->clrBk == CLR_NONE ) )
1127 bIsTransparent = TRUE;
1128 bMask = (himl->flags & ILC_MASK) && (fStyle & ILD_MASK) ;
1129 bBlend = (fStyle & (ILD_BLEND25 | ILD_BLEND50) ) && !bMask;
1131 TRACE("himl(%p) hbmMask(%p) iImage(%d) x(%d) y(%d) cx(%d) cy(%d)\n",
1132 himl, himl->hbmMask, pimldp->i, pimldp->x, pimldp->y, cx, cy);
1134 /* we will use these DCs to access the images and masks in the ImageList */
1135 hImageListDC = himl->hdcImage;
1136 hMaskListDC = himl->hdcMask;
1138 /* these will accumulate the image and mask for the image we're drawing */
1139 hImageDC = CreateCompatibleDC( pimldp->hdcDst );
1140 hImageBmp = CreateCompatibleBitmap( pimldp->hdcDst, cx, cy );
1141 hBlendMaskBmp = bBlend ? CreateBitmap(cx, cy, 1, 1, NULL) : 0;
1143 /* Create a compatible DC. */
1144 if (!hImageListDC || !hImageDC || !hImageBmp ||
1145 (bBlend && !hBlendMaskBmp) || (himl->hbmMask && !hMaskListDC))
1148 hOldImageBmp = SelectObject(hImageDC, hImageBmp);
1151 * To obtain a transparent look, background color should be set
1152 * to white and foreground color to black when blting the
1155 oldImageFg = SetTextColor( hImageDC, RGB( 0, 0, 0 ) );
1156 oldImageBk = SetBkColor( hImageDC, RGB( 0xff, 0xff, 0xff ) );
1159 * Draw the initial image
1162 if (himl->hbmMask) {
1164 hOldBrush = SelectObject (hImageDC, CreateSolidBrush (GetTextColor(pimldp->hdcDst)));
1165 PatBlt( hImageDC, 0, 0, cx, cy, PATCOPY );
1166 BitBlt(hImageDC, 0, 0, cx, cy, hMaskListDC, pt.x, pt.y, SRCPAINT);
1167 DeleteObject (SelectObject (hImageDC, hOldBrush));
1168 if( bIsTransparent )
1170 BitBlt ( pimldp->hdcDst, pimldp->x, pimldp->y, cx, cy, hImageDC, 0, 0, SRCAND);
1175 HBRUSH hOldBrush = SelectObject (hImageDC, GetStockObject(BLACK_BRUSH));
1176 PatBlt( hImageDC, 0, 0, cx, cy, PATCOPY);
1177 SelectObject(hImageDC, hOldBrush);
1180 /* blend the image with the needed solid background */
1181 COLORREF colour = RGB(0,0,0);
1184 if( !bIsTransparent )
1186 colour = pimldp->rgbBk;
1187 if( colour == CLR_DEFAULT )
1188 colour = himl->clrBk;
1189 if( colour == CLR_NONE )
1190 colour = GetBkColor(pimldp->hdcDst);
1193 hOldBrush = SelectObject (hImageDC, CreateSolidBrush (colour));
1194 PatBlt( hImageDC, 0, 0, cx, cy, PATCOPY );
1195 BitBlt( hImageDC, 0, 0, cx, cy, hMaskListDC, pt.x, pt.y, SRCAND );
1196 BitBlt( hImageDC, 0, 0, cx, cy, hImageListDC, pt.x, pt.y, SRCPAINT );
1197 DeleteObject (SelectObject (hImageDC, hOldBrush));
1200 /* Time for blending, if required */
1202 HBRUSH hBlendBrush, hOldBrush;
1203 COLORREF clrBlend = pimldp->rgbFg;
1204 HDC hBlendMaskDC = hImageListDC;
1207 /* Create the blend Mask */
1208 hOldBitmap = SelectObject(hBlendMaskDC, hBlendMaskBmp);
1209 hBlendBrush = fStyle & ILD_BLEND50 ? himl->hbrBlend50 : himl->hbrBlend25;
1210 hOldBrush = (HBRUSH) SelectObject(hBlendMaskDC, hBlendBrush);
1211 PatBlt(hBlendMaskDC, 0, 0, cx, cy, PATCOPY);
1212 SelectObject(hBlendMaskDC, hOldBrush);
1214 /* Modify the blend mask if an Image Mask exist */
1216 BitBlt(hBlendMaskDC, 0, 0, cx, cy, hMaskListDC, pt.x, pt.y, 0x220326); /* NOTSRCAND */
1217 BitBlt(hBlendMaskDC, 0, 0, cx, cy, hBlendMaskDC, 0, 0, NOTSRCCOPY);
1220 /* now apply blend to the current image given the BlendMask */
1221 if (clrBlend == CLR_DEFAULT) clrBlend = GetSysColor (COLOR_HIGHLIGHT);
1222 else if (clrBlend == CLR_NONE) clrBlend = GetTextColor (pimldp->hdcDst);
1223 hOldBrush = (HBRUSH) SelectObject (hImageDC, CreateSolidBrush(clrBlend));
1224 BitBlt (hImageDC, 0, 0, cx, cy, hBlendMaskDC, 0, 0, 0xB8074A); /* PSDPxax */
1225 DeleteObject(SelectObject(hImageDC, hOldBrush));
1226 SelectObject(hBlendMaskDC, hOldBitmap);
1229 /* Now do the overlay image, if any */
1230 nOvlIdx = (pimldp->fStyle & ILD_OVERLAYMASK) >> 8;
1231 if ( (nOvlIdx >= 1) && (nOvlIdx <= MAX_OVERLAYIMAGE)) {
1232 nOvlIdx = himl->nOvlIdx[nOvlIdx - 1];
1233 if ((nOvlIdx >= 0) && (nOvlIdx < himl->cCurImage)) {
1235 imagelist_point_from_index( himl, nOvlIdx, &ptOvl );
1236 ptOvl.x += pimldp->xBitmap;
1237 if (himl->hbmMask && !(fStyle & ILD_IMAGE))
1238 BitBlt (hImageDC, 0, 0, cx, cy, hMaskListDC, ptOvl.x, ptOvl.y, SRCAND);
1239 BitBlt (hImageDC, 0, 0, cx, cy, hImageListDC, ptOvl.x, ptOvl.y, SRCPAINT);
1243 if (fState & ILS_SATURATE) FIXME("ILS_SATURATE: unimplemented!\n");
1244 if (fState & ILS_GLOW) FIXME("ILS_GLOW: unimplemented!\n");
1245 if (fState & ILS_SHADOW) FIXME("ILS_SHADOW: unimplemented!\n");
1246 if (fState & ILS_ALPHA) FIXME("ILS_ALPHA: unimplemented!\n");
1248 if (fStyle & ILD_PRESERVEALPHA) FIXME("ILD_PRESERVEALPHA: unimplemented!\n");
1249 if (fStyle & ILD_SCALE) FIXME("ILD_SCALE: unimplemented!\n");
1250 if (fStyle & ILD_DPISCALE) FIXME("ILD_DPISCALE: unimplemented!\n");
1252 /* now copy the image to the screen */
1254 if (himl->hbmMask && bIsTransparent ) {
1255 COLORREF oldDstFg = SetTextColor(pimldp->hdcDst, RGB( 0, 0, 0 ) );
1256 COLORREF oldDstBk = SetBkColor(pimldp->hdcDst, RGB( 0xff, 0xff, 0xff ));
1257 BitBlt (pimldp->hdcDst, pimldp->x, pimldp->y, cx, cy, hMaskListDC, pt.x, pt.y, SRCAND);
1258 SetBkColor(pimldp->hdcDst, oldDstBk);
1259 SetTextColor(pimldp->hdcDst, oldDstFg);
1262 if (fStyle & ILD_ROP) dwRop = pimldp->dwRop;
1263 BitBlt (pimldp->hdcDst, pimldp->x, pimldp->y, cx, cy, hImageDC, 0, 0, dwRop);
1267 /* cleanup the mess */
1268 SetBkColor(hImageDC, oldImageBk);
1269 SetTextColor(hImageDC, oldImageFg);
1270 SelectObject(hImageDC, hOldImageBmp);
1272 DeleteObject(hBlendMaskBmp);
1273 DeleteObject(hImageBmp);
1280 /*************************************************************************
1281 * ImageList_Duplicate [COMCTL32.@]
1283 * Duplicates an image list.
1286 * himlSrc [I] source image list handle
1289 * Success: Handle of duplicated image list.
1294 ImageList_Duplicate (HIMAGELIST himlSrc)
1298 if (!is_valid(himlSrc)) {
1299 ERR("Invalid image list handle!\n");
1303 himlDst = ImageList_Create (himlSrc->cx, himlSrc->cy, himlSrc->flags,
1304 himlSrc->cInitial, himlSrc->cGrow);
1310 imagelist_get_bitmap_size(himlSrc, himlSrc->cCurImage, himlSrc->cy, &sz);
1311 BitBlt (himlDst->hdcImage, 0, 0, sz.cx, sz.cy,
1312 himlSrc->hdcImage, 0, 0, SRCCOPY);
1314 if (himlDst->hbmMask)
1315 BitBlt (himlDst->hdcMask, 0, 0, sz.cx, sz.cy,
1316 himlSrc->hdcMask, 0, 0, SRCCOPY);
1318 himlDst->cCurImage = himlSrc->cCurImage;
1319 himlDst->cMaxImage = himlSrc->cMaxImage;
1325 /*************************************************************************
1326 * ImageList_EndDrag [COMCTL32.@]
1328 * Finishes a drag operation.
1339 ImageList_EndDrag (void)
1341 /* cleanup the InternalDrag struct */
1342 InternalDrag.hwnd = 0;
1343 ImageList_Destroy (InternalDrag.himl);
1344 InternalDrag.himl = 0;
1347 InternalDrag.dxHotspot = 0;
1348 InternalDrag.dyHotspot = 0;
1349 InternalDrag.bShow = FALSE;
1350 DeleteObject(InternalDrag.hbmBg);
1351 InternalDrag.hbmBg = 0;
1355 /*************************************************************************
1356 * ImageList_GetBkColor [COMCTL32.@]
1358 * Returns the background color of an image list.
1361 * himl [I] Image list handle.
1364 * Success: background color
1369 ImageList_GetBkColor (HIMAGELIST himl)
1371 return himl ? himl->clrBk : CLR_NONE;
1375 /*************************************************************************
1376 * ImageList_GetDragImage [COMCTL32.@]
1378 * Returns the handle to the internal drag image list.
1381 * ppt [O] Pointer to the drag position. Can be NULL.
1382 * pptHotspot [O] Pointer to the position of the hot spot. Can be NULL.
1385 * Success: Handle of the drag image list.
1390 ImageList_GetDragImage (POINT *ppt, POINT *pptHotspot)
1392 if (is_valid(InternalDrag.himl)) {
1394 ppt->x = InternalDrag.x;
1395 ppt->y = InternalDrag.y;
1398 pptHotspot->x = InternalDrag.dxHotspot;
1399 pptHotspot->y = InternalDrag.dyHotspot;
1401 return (InternalDrag.himl);
1408 /*************************************************************************
1409 * ImageList_GetFlags [COMCTL32.@]
1411 * Gets the flags of the specified image list.
1414 * himl [I] Handle to image list
1424 ImageList_GetFlags(HIMAGELIST himl)
1426 FIXME("(%p):empty stub\n", himl);
1431 /*************************************************************************
1432 * ImageList_GetIcon [COMCTL32.@]
1434 * Creates an icon from a masked image of an image list.
1437 * himl [I] handle to image list
1439 * flags [I] drawing style flags
1442 * Success: icon handle
1447 ImageList_GetIcon (HIMAGELIST himl, INT i, UINT fStyle)
1451 HBITMAP hOldDstBitmap;
1455 TRACE("%p %d %d\n", himl, i, fStyle);
1456 if (!is_valid(himl) || (i < 0) || (i >= himl->cCurImage)) return NULL;
1462 /* create colour bitmap */
1464 ii.hbmColor = CreateCompatibleBitmap(hdcDst, himl->cx, himl->cy);
1465 ReleaseDC(0, hdcDst);
1467 hdcDst = CreateCompatibleDC(0);
1469 imagelist_point_from_index( himl, i, &pt );
1472 ii.hbmMask = CreateBitmap (himl->cx, himl->cy, 1, 1, NULL);
1473 hOldDstBitmap = SelectObject (hdcDst, ii.hbmMask);
1474 if (himl->hbmMask) {
1475 BitBlt (hdcDst, 0, 0, himl->cx, himl->cy,
1476 himl->hdcMask, pt.x, pt.y, SRCCOPY);
1479 PatBlt (hdcDst, 0, 0, himl->cx, himl->cy, BLACKNESS);
1482 SelectObject (hdcDst, ii.hbmColor);
1483 BitBlt (hdcDst, 0, 0, himl->cx, himl->cy,
1484 himl->hdcImage, pt.x, pt.y, SRCCOPY);
1487 * CreateIconIndirect requires us to deselect the bitmaps from
1488 * the DCs before calling
1490 SelectObject(hdcDst, hOldDstBitmap);
1492 hIcon = CreateIconIndirect (&ii);
1494 DeleteObject (ii.hbmMask);
1495 DeleteObject (ii.hbmColor);
1502 /*************************************************************************
1503 * ImageList_GetIconSize [COMCTL32.@]
1505 * Retrieves the size of an image in an image list.
1508 * himl [I] handle to image list
1509 * cx [O] pointer to the image width.
1510 * cy [O] pointer to the image height.
1517 * All images in an image list have the same size.
1521 ImageList_GetIconSize (HIMAGELIST himl, INT *cx, INT *cy)
1523 if (!is_valid(himl))
1525 if ((himl->cx <= 0) || (himl->cy <= 0))
1537 /*************************************************************************
1538 * ImageList_GetImageCount [COMCTL32.@]
1540 * Returns the number of images in an image list.
1543 * himl [I] handle to image list
1546 * Success: Number of images.
1551 ImageList_GetImageCount (HIMAGELIST himl)
1553 if (!is_valid(himl))
1556 return himl->cCurImage;
1560 /*************************************************************************
1561 * ImageList_GetImageInfo [COMCTL32.@]
1563 * Returns information about an image in an image list.
1566 * himl [I] handle to image list
1568 * pImageInfo [O] pointer to the image information
1576 ImageList_GetImageInfo (HIMAGELIST himl, INT i, IMAGEINFO *pImageInfo)
1580 if (!is_valid(himl) || (pImageInfo == NULL))
1582 if ((i < 0) || (i >= himl->cCurImage))
1585 pImageInfo->hbmImage = himl->hbmImage;
1586 pImageInfo->hbmMask = himl->hbmMask;
1588 imagelist_point_from_index( himl, i, &pt );
1589 pImageInfo->rcImage.top = pt.y;
1590 pImageInfo->rcImage.bottom = pt.y + himl->cy;
1591 pImageInfo->rcImage.left = pt.x;
1592 pImageInfo->rcImage.right = pt.x + himl->cx;
1598 /*************************************************************************
1599 * ImageList_GetImageRect [COMCTL32.@]
1601 * Retrieves the rectangle of the specified image in an image list.
1604 * himl [I] handle to image list
1606 * lpRect [O] pointer to the image rectangle
1613 * This is an UNDOCUMENTED function!!!
1617 ImageList_GetImageRect (HIMAGELIST himl, INT i, LPRECT lpRect)
1621 if (!is_valid(himl) || (lpRect == NULL))
1623 if ((i < 0) || (i >= himl->cCurImage))
1626 imagelist_point_from_index( himl, i, &pt );
1627 lpRect->left = pt.x;
1629 lpRect->right = pt.x + himl->cx;
1630 lpRect->bottom = pt.y + himl->cy;
1636 /*************************************************************************
1637 * ImageList_LoadImage [COMCTL32.@]
1638 * ImageList_LoadImageA [COMCTL32.@]
1640 * Creates an image list from a bitmap, icon or cursor.
1642 * See ImageList_LoadImageW.
1646 ImageList_LoadImageA (HINSTANCE hi, LPCSTR lpbmp, INT cx, INT cGrow,
1647 COLORREF clrMask, UINT uType, UINT uFlags)
1654 return ImageList_LoadImageW(hi, (LPCWSTR)lpbmp, cx, cGrow, clrMask,
1657 len = MultiByteToWideChar(CP_ACP, 0, lpbmp, -1, NULL, 0);
1658 lpbmpW = Alloc(len * sizeof(WCHAR));
1659 MultiByteToWideChar(CP_ACP, 0, lpbmp, -1, lpbmpW, len);
1661 himl = ImageList_LoadImageW(hi, lpbmpW, cx, cGrow, clrMask, uType, uFlags);
1667 /*************************************************************************
1668 * ImageList_LoadImageW [COMCTL32.@]
1670 * Creates an image list from a bitmap, icon or cursor.
1673 * hi [I] instance handle
1674 * lpbmp [I] name or id of the image
1675 * cx [I] width of each image
1676 * cGrow [I] number of images to expand
1677 * clrMask [I] mask color
1678 * uType [I] type of image to load
1679 * uFlags [I] loading flags
1682 * Success: handle to the loaded image list
1690 ImageList_LoadImageW (HINSTANCE hi, LPCWSTR lpbmp, INT cx, INT cGrow,
1691 COLORREF clrMask, UINT uType, UINT uFlags)
1693 HIMAGELIST himl = NULL;
1697 handle = LoadImageW (hi, lpbmp, uType, 0, 0, uFlags);
1699 ERR("Error loading image!\n");
1703 if (uType == IMAGE_BITMAP) {
1705 GetObjectW (handle, sizeof(BITMAP), &bmp);
1707 /* To match windows behavior, if cx is set to zero and
1708 the flag DI_DEFAULTSIZE is specified, cx becomes the
1709 system metric value for icons. If the flag is not specified
1710 the function sets the size to the height of the bitmap */
1713 if (uFlags & DI_DEFAULTSIZE)
1714 cx = GetSystemMetrics (SM_CXICON);
1719 nImageCount = bmp.bmWidth / cx;
1721 himl = ImageList_Create (cx, bmp.bmHeight, ILC_MASK | ILC_COLOR,
1722 nImageCount, cGrow);
1724 DeleteObject (handle);
1727 ImageList_AddMasked (himl, (HBITMAP)handle, clrMask);
1729 else if ((uType == IMAGE_ICON) || (uType == IMAGE_CURSOR)) {
1733 GetIconInfo (handle, &ii);
1734 GetObjectW (ii.hbmColor, sizeof(BITMAP), (LPVOID)&bmp);
1735 himl = ImageList_Create (bmp.bmWidth, bmp.bmHeight,
1736 ILC_MASK | ILC_COLOR, 1, cGrow);
1738 DeleteObject (ii.hbmColor);
1739 DeleteObject (ii.hbmMask);
1740 DeleteObject (handle);
1743 ImageList_Add (himl, ii.hbmColor, ii.hbmMask);
1744 DeleteObject (ii.hbmColor);
1745 DeleteObject (ii.hbmMask);
1748 DeleteObject (handle);
1754 /*************************************************************************
1755 * ImageList_Merge [COMCTL32.@]
1757 * Create an image list containing a merged image from two image lists.
1760 * himl1 [I] handle to first image list
1761 * i1 [I] first image index
1762 * himl2 [I] handle to second image list
1763 * i2 [I] second image index
1764 * dx [I] X offset of the second image relative to the first.
1765 * dy [I] Y offset of the second image relative to the first.
1768 * Success: The newly created image list. It contains a single image
1769 * consisting of the second image merged with the first.
1770 * Failure: NULL, if either himl1 or himl2 are invalid.
1773 * - The returned image list should be deleted by the caller using
1774 * ImageList_Destroy() when it is no longer required.
1775 * - If either i1 or i2 are not valid image indices they will be treated
1779 ImageList_Merge (HIMAGELIST himl1, INT i1, HIMAGELIST himl2, INT i2,
1782 HIMAGELIST himlDst = NULL;
1784 INT xOff1, yOff1, xOff2, yOff2;
1787 TRACE("(himl1=%p i1=%d himl2=%p i2=%d dx=%d dy=%d)\n", himl1, i1, himl2,
1790 if (!is_valid(himl1) || !is_valid(himl2))
1794 cxDst = max (himl1->cx, dx + himl2->cx);
1799 cxDst = max (himl2->cx, himl1->cx - dx);
1804 cxDst = max (himl1->cx, himl2->cx);
1810 cyDst = max (himl1->cy, dy + himl2->cy);
1815 cyDst = max (himl2->cy, himl1->cy - dy);
1820 cyDst = max (himl1->cy, himl2->cy);
1825 himlDst = ImageList_Create (cxDst, cyDst, ILC_MASK | ILC_COLOR, 1, 1);
1829 imagelist_point_from_index( himl1, i1, &pt1 );
1830 imagelist_point_from_index( himl1, i2, &pt2 );
1833 BitBlt (himlDst->hdcImage, 0, 0, cxDst, cyDst, himl1->hdcImage, 0, 0, BLACKNESS);
1834 if (i1 >= 0 && i1 < himl1->cCurImage)
1835 BitBlt (himlDst->hdcImage, xOff1, yOff1, himl1->cx, himl1->cy, himl1->hdcImage, pt1.x, pt1.y, SRCCOPY);
1836 if (i2 >= 0 && i2 < himl2->cCurImage)
1838 BitBlt (himlDst->hdcImage, xOff2, yOff2, himl2->cx, himl2->cy, himl2->hdcMask , pt2.x, pt2.y, SRCAND);
1839 BitBlt (himlDst->hdcImage, xOff2, yOff2, himl2->cx, himl2->cy, himl2->hdcImage, pt2.x, pt2.y, SRCPAINT);
1843 BitBlt (himlDst->hdcMask, 0, 0, cxDst, cyDst, himl1->hdcMask, 0, 0, WHITENESS);
1844 if (i1 >= 0 && i1 < himl1->cCurImage)
1845 BitBlt (himlDst->hdcMask, xOff1, yOff1, himl1->cx, himl1->cy, himl1->hdcMask, pt1.x, pt1.y, SRCCOPY);
1846 if (i2 >= 0 && i2 < himl2->cCurImage)
1847 BitBlt (himlDst->hdcMask, xOff2, yOff2, himl2->cx, himl2->cy, himl2->hdcMask, pt2.x, pt2.y, SRCAND);
1849 himlDst->cCurImage = 1;
1856 /* helper for _read_bitmap currently unused */
1858 static int may_use_dibsection(HDC hdc) {
1859 int bitspixel = GetDeviceCaps(hdc,BITSPIXEL)*GetDeviceCaps(hdc,PLANES);
1864 return GetDeviceCaps(hdc,CAPS1) & C1_DIBENGINE;
1868 /* helper for ImageList_Read, see comments below */
1869 static BOOL _read_bitmap(HIMAGELIST himl, HDC hdcIml, LPSTREAM pstm, int ilcFlag)
1872 BITMAPFILEHEADER bmfh;
1873 BITMAPINFOHEADER bmih;
1874 int bitsperpixel,palspace,longsperline,width,height;
1875 LPBITMAPINFO bmi = NULL;
1879 int i, j, nheight, nRows, nCols;
1883 if (!SUCCEEDED(IStream_Read ( pstm, &bmfh, sizeof(bmfh), NULL)))
1886 if (bmfh.bfType != (('M'<<8)|'B'))
1889 if (!SUCCEEDED(IStream_Read ( pstm, &bmih, sizeof(bmih), NULL)))
1892 if ((bmih.biSize != sizeof(bmih)))
1895 bitsperpixel = bmih.biPlanes * bmih.biBitCount;
1896 if (bitsperpixel<=8)
1897 palspace = (1<<bitsperpixel)*sizeof(RGBQUAD);
1900 width = bmih.biWidth;
1901 height = bmih.biHeight;
1902 bmi = Alloc(sizeof(bmih)+palspace);
1906 memcpy(bmi, &bmih, sizeof(bmih));
1907 longsperline = ((width*bitsperpixel+31)&~0x1f)>>5;
1908 bmi->bmiHeader.biSizeImage = (longsperline*height)<<2;
1910 /* read the palette right after the end of the bitmapinfoheader */
1911 if (palspace && !SUCCEEDED(IStream_Read(pstm, bmi->bmiColors, palspace, NULL)))
1918 nCols = width/himl->cx;
1920 hDIB = CreateDIBSection(xdc, bmi, 0, (LPVOID*) &bits, 0, 0);
1923 if (!SUCCEEDED(IStream_Read(pstm, bits, bmi->bmiHeader.biSizeImage, NULL)))
1926 /* Copy the NxM bitmap into a 1x(N*M) bitmap we need, linewise */
1927 /* Do not forget that windows bitmaps are bottom->top */
1928 for (i=0; i < nRows; i++) {
1929 for (j=0; j < nCols; j++) {
1930 imagelist_point_from_index(himl, i*nCols + j, &pt);
1931 StretchDIBits(hdcIml, pt.x, pt.y, himl->cx, cy,
1932 j*himl->cx, (nRows - 1 - i)*himl->cy, himl->cx, cy, bits,
1933 bmi, DIB_RGB_COLORS, SRCCOPY);
1939 if (xdc) ReleaseDC(0,xdc);
1941 if (hDIB) DeleteObject(hDIB);
1945 /*************************************************************************
1946 * ImageList_Read [COMCTL32.@]
1948 * Reads an image list from a stream.
1951 * pstm [I] pointer to a stream
1954 * Success: handle to image list
1957 * The format is like this:
1958 * ILHEAD ilheadstruct;
1960 * for the color image part:
1961 * BITMAPFILEHEADER bmfh;
1962 * BITMAPINFOHEADER bmih;
1963 * only if it has a palette:
1964 * RGBQUAD rgbs[nr_of_paletted_colors];
1966 * BYTE colorbits[imagesize];
1968 * the following only if the ILC_MASK bit is set in ILHEAD.ilFlags:
1969 * BITMAPFILEHEADER bmfh_mask;
1970 * BITMAPINFOHEADER bmih_mask;
1971 * only if it has a palette (it usually does not):
1972 * RGBQUAD rgbs[nr_of_paletted_colors];
1974 * BYTE maskbits[imagesize];
1976 * CAVEAT: Those images are within a NxM bitmap, not the 1xN we expect.
1977 * _read_bitmap needs to convert them.
1979 HIMAGELIST WINAPI ImageList_Read (LPSTREAM pstm)
1985 TRACE("%p\n", pstm);
1987 if (!SUCCEEDED(IStream_Read (pstm, &ilHead, sizeof(ILHEAD), NULL)))
1989 if (ilHead.usMagic != (('L' << 8) | 'I'))
1991 if (ilHead.usVersion != 0x101) /* probably version? */
1994 himl = ImageList_Create(ilHead.cx, ilHead.cy, ilHead.flags, ilHead.cCurImage, ilHead.cMaxImage);
1998 if (!_read_bitmap(himl, himl->hdcImage, pstm, ilHead.flags & ~ILC_MASK)) {
1999 WARN("failed to read bitmap from stream\n");
2002 if (ilHead.flags & ILC_MASK) {
2003 if (!_read_bitmap(himl, himl->hdcMask, pstm, 0)) {
2008 himl->cCurImage = ilHead.cCurImage;
2009 himl->cMaxImage = ilHead.cMaxImage;
2011 ImageList_SetBkColor(himl,ilHead.bkcolor);
2013 ImageList_SetOverlayImage(himl,ilHead.ovls[i],i+1);
2018 /*************************************************************************
2019 * ImageList_Remove [COMCTL32.@]
2021 * Removes an image from an image list
2024 * himl [I] image list handle
2033 ImageList_Remove (HIMAGELIST himl, INT i)
2035 HBITMAP hbmNewImage, hbmNewMask;
2040 TRACE("(himl=%p i=%d)\n", himl, i);
2042 if (!is_valid(himl)) {
2043 ERR("Invalid image list handle!\n");
2047 if ((i < -1) || (i >= himl->cCurImage)) {
2048 TRACE("index out of range! %d\n", i);
2054 if (himl->cCurImage == 0) {
2055 /* remove all on empty ImageList is allowed */
2056 TRACE("remove all on empty ImageList!\n");
2060 himl->cMaxImage = himl->cInitial + himl->cGrow;
2061 himl->cCurImage = 0;
2062 for (nCount = 0; nCount < MAX_OVERLAYIMAGE; nCount++)
2063 himl->nOvlIdx[nCount] = -1;
2065 hbmNewImage = ImageList_CreateImage(himl->hdcImage, himl, himl->cMaxImage, himl->cy);
2066 SelectObject (himl->hdcImage, hbmNewImage);
2067 DeleteObject (himl->hbmImage);
2068 himl->hbmImage = hbmNewImage;
2070 if (himl->hbmMask) {
2072 imagelist_get_bitmap_size(himl, himl->cMaxImage, himl->cy, &sz);
2073 hbmNewMask = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
2074 SelectObject (himl->hdcMask, hbmNewMask);
2075 DeleteObject (himl->hbmMask);
2076 himl->hbmMask = hbmNewMask;
2080 /* delete one image */
2081 TRACE("Remove single image! %d\n", i);
2083 /* create new bitmap(s) */
2084 nCount = (himl->cCurImage + himl->cGrow - 1);
2086 TRACE(" - Number of images: %d / %d (Old/New)\n",
2087 himl->cCurImage, himl->cCurImage - 1);
2088 TRACE(" - Max. number of images: %d / %d (Old/New)\n",
2089 himl->cMaxImage, himl->cCurImage + himl->cGrow - 1);
2091 hbmNewImage = ImageList_CreateImage(himl->hdcImage, himl, nCount, himl->cy);
2093 imagelist_get_bitmap_size(himl, nCount, himl->cy, &sz );
2095 hbmNewMask = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
2097 hbmNewMask = 0; /* Just to keep compiler happy! */
2099 hdcBmp = CreateCompatibleDC (0);
2101 /* copy all images and masks prior to the "removed" image */
2103 TRACE("Pre image copy: Copy %d images\n", i);
2105 SelectObject (hdcBmp, hbmNewImage);
2106 imagelist_copy_images( himl, himl->hdcImage, hdcBmp, 0, i, 0 );
2108 if (himl->hbmMask) {
2109 SelectObject (hdcBmp, hbmNewMask);
2110 imagelist_copy_images( himl, himl->hdcMask, hdcBmp, 0, i, 0 );
2114 /* copy all images and masks behind the removed image */
2115 if (i < himl->cCurImage - 1) {
2116 TRACE("Post image copy!\n");
2118 SelectObject (hdcBmp, hbmNewImage);
2119 imagelist_copy_images( himl, himl->hdcImage, hdcBmp, i,
2120 (himl->cCurImage - i - 1), i - 1 );
2122 if (himl->hbmMask) {
2123 SelectObject (hdcBmp, hbmNewMask);
2124 imagelist_copy_images( himl, himl->hdcMask, hdcBmp, i,
2125 (himl->cCurImage - i - 1), i - 1 );
2131 /* delete old images and insert new ones */
2132 SelectObject (himl->hdcImage, hbmNewImage);
2133 DeleteObject (himl->hbmImage);
2134 himl->hbmImage = hbmNewImage;
2135 if (himl->hbmMask) {
2136 SelectObject (himl->hdcMask, hbmNewMask);
2137 DeleteObject (himl->hbmMask);
2138 himl->hbmMask = hbmNewMask;
2142 himl->cMaxImage = himl->cCurImage + himl->cGrow;
2149 /*************************************************************************
2150 * ImageList_Replace [COMCTL32.@]
2152 * Replaces an image in an image list with a new image.
2155 * himl [I] handle to image list
2157 * hbmImage [I] handle to image bitmap
2158 * hbmMask [I] handle to mask bitmap. Can be NULL.
2166 ImageList_Replace (HIMAGELIST himl, INT i, HBITMAP hbmImage,
2174 TRACE("%p %d %p %p\n", himl, i, hbmImage, hbmMask);
2176 if (!is_valid(himl)) {
2177 ERR("Invalid image list handle!\n");
2181 if ((i >= himl->cMaxImage) || (i < 0)) {
2182 ERR("Invalid image index!\n");
2186 if (!GetObjectW(hbmImage, sizeof(BITMAP), (LPVOID)&bmp))
2189 hdcImage = CreateCompatibleDC (0);
2192 hOldBitmap = SelectObject (hdcImage, hbmImage);
2194 imagelist_point_from_index(himl, i, &pt);
2195 StretchBlt (himl->hdcImage, pt.x, pt.y, himl->cx, himl->cy,
2196 hdcImage, 0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY);
2201 HBITMAP hOldBitmapTemp;
2203 hdcTemp = CreateCompatibleDC(0);
2204 hOldBitmapTemp = SelectObject(hdcTemp, hbmMask);
2206 StretchBlt (himl->hdcMask, pt.x, pt.y, himl->cx, himl->cy,
2207 hdcTemp, 0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY);
2208 SelectObject(hdcTemp, hOldBitmapTemp);
2211 /* Remove the background from the image
2213 BitBlt (himl->hdcImage, pt.x, pt.y, bmp.bmWidth, bmp.bmHeight,
2214 himl->hdcMask, pt.x, pt.y, 0x220326); /* NOTSRCAND */
2217 SelectObject (hdcImage, hOldBitmap);
2218 DeleteDC (hdcImage);
2224 /*************************************************************************
2225 * ImageList_ReplaceIcon [COMCTL32.@]
2227 * Replaces an image in an image list using an icon.
2230 * himl [I] handle to image list
2232 * hIcon [I] handle to icon
2235 * Success: index of the replaced image
2240 ImageList_ReplaceIcon (HIMAGELIST himl, INT nIndex, HICON hIcon)
2250 TRACE("(%p %d %p)\n", himl, nIndex, hIcon);
2252 if (!is_valid(himl)) {
2253 ERR("invalid image list\n");
2256 if ((nIndex >= himl->cMaxImage) || (nIndex < -1)) {
2257 ERR("invalid image index %d / %d\n", nIndex, himl->cMaxImage);
2261 hBestFitIcon = CopyImage(
2264 LR_COPYFROMRESOURCE);
2265 /* the above will fail if the icon wasn't loaded from a resource, so try
2266 * again without LR_COPYFROMRESOURCE flag */
2268 hBestFitIcon = CopyImage(
2275 ret = GetIconInfo (hBestFitIcon, &ii);
2277 DestroyIcon(hBestFitIcon);
2281 if (ii.hbmColor == 0)
2283 ret = GetObjectW (ii.hbmMask, sizeof(BITMAP), (LPVOID)&bmp);
2285 ERR("couldn't get mask bitmap info\n");
2287 DeleteObject (ii.hbmColor);
2289 DeleteObject (ii.hbmMask);
2290 DestroyIcon(hBestFitIcon);
2295 if (himl->cCurImage + 1 > himl->cMaxImage)
2296 IMAGELIST_InternalExpandBitmaps (himl, 1, 0, 0);
2298 nIndex = himl->cCurImage;
2302 hdcImage = CreateCompatibleDC (0);
2303 TRACE("hdcImage=%p\n", hdcImage);
2305 ERR("invalid hdcImage!\n");
2307 SetTextColor(himl->hdcImage, RGB(0,0,0));
2308 SetBkColor (himl->hdcImage, RGB(255,255,255));
2309 hbmOldSrc = SelectObject (hdcImage, ii.hbmColor);
2311 imagelist_point_from_index(himl, nIndex, &pt);
2312 StretchBlt (himl->hdcImage, pt.x, pt.y, himl->cx, himl->cy,
2313 hdcImage, 0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY);
2315 if (himl->hbmMask) {
2316 SelectObject (hdcImage, ii.hbmMask);
2317 StretchBlt (himl->hdcMask, pt.x, pt.y, himl->cx, himl->cy,
2318 hdcImage, 0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY);
2321 SelectObject (hdcImage, hbmOldSrc);
2323 DestroyIcon(hBestFitIcon);
2325 DeleteDC (hdcImage);
2327 DeleteObject (ii.hbmColor);
2329 DeleteObject (ii.hbmMask);
2331 TRACE("Insert index = %d, himl->cCurImage = %d\n", nIndex, himl->cCurImage);
2336 /*************************************************************************
2337 * ImageList_SetBkColor [COMCTL32.@]
2339 * Sets the background color of an image list.
2342 * himl [I] handle to image list
2343 * clrBk [I] background color
2346 * Success: previous background color
2351 ImageList_SetBkColor (HIMAGELIST himl, COLORREF clrBk)
2355 if (!is_valid(himl))
2358 clrOldBk = himl->clrBk;
2359 himl->clrBk = clrBk;
2364 /*************************************************************************
2365 * ImageList_SetDragCursorImage [COMCTL32.@]
2367 * Combines the specified image with the current drag image
2370 * himlDrag [I] handle to drag image list
2371 * iDrag [I] drag image index
2372 * dxHotspot [I] X position of the hot spot
2373 * dyHotspot [I] Y position of the hot spot
2380 * - The names dxHotspot, dyHotspot are misleading because they have nothing
2381 * to do with a hotspot but are only the offset of the origin of the new
2382 * image relative to the origin of the old image.
2384 * - When this function is called and the drag image is visible, a
2385 * short flickering occurs but this matches the Win9x behavior. It is
2386 * possible to fix the flickering using code like in ImageList_DragMove.
2390 ImageList_SetDragCursorImage (HIMAGELIST himlDrag, INT iDrag,
2391 INT dxHotspot, INT dyHotspot)
2393 HIMAGELIST himlTemp;
2396 if (!is_valid(InternalDrag.himl) || !is_valid(himlDrag))
2399 TRACE(" dxH=%d dyH=%d nX=%d nY=%d\n",
2400 dxHotspot, dyHotspot, InternalDrag.dxHotspot, InternalDrag.dyHotspot);
2402 visible = InternalDrag.bShow;
2404 himlTemp = ImageList_Merge (InternalDrag.himl, 0, himlDrag, iDrag,
2405 dxHotspot, dyHotspot);
2408 /* hide the drag image */
2409 ImageList_DragShowNolock(FALSE);
2411 if ((InternalDrag.himl->cx != himlTemp->cx) ||
2412 (InternalDrag.himl->cy != himlTemp->cy)) {
2413 /* the size of the drag image changed, invalidate the buffer */
2414 DeleteObject(InternalDrag.hbmBg);
2415 InternalDrag.hbmBg = 0;
2418 ImageList_Destroy (InternalDrag.himl);
2419 InternalDrag.himl = himlTemp;
2422 /* show the drag image */
2423 ImageList_DragShowNolock(TRUE);
2430 /*************************************************************************
2431 * ImageList_SetFilter [COMCTL32.@]
2433 * Sets a filter (or does something completely different)!!???
2434 * It removes 12 Bytes from the stack (3 Parameters).
2437 * himl [I] SHOULD be a handle to image list
2438 * i [I] COULD be an index?
2443 * Failure: FALSE ???
2446 * This is an UNDOCUMENTED function!!!!
2451 ImageList_SetFilter (HIMAGELIST himl, INT i, DWORD dwFilter)
2453 FIXME("(%p 0x%x 0x%x):empty stub!\n", himl, i, dwFilter);
2459 /*************************************************************************
2460 * ImageList_SetFlags [COMCTL32.@]
2462 * Sets the image list flags.
2465 * himl [I] Handle to image list
2466 * flags [I] Flags to set
2476 ImageList_SetFlags(HIMAGELIST himl, DWORD flags)
2478 FIXME("(%p %08x):empty stub\n", himl, flags);
2483 /*************************************************************************
2484 * ImageList_SetIconSize [COMCTL32.@]
2486 * Sets the image size of the bitmap and deletes all images.
2489 * himl [I] handle to image list
2490 * cx [I] image width
2491 * cy [I] image height
2499 ImageList_SetIconSize (HIMAGELIST himl, INT cx, INT cy)
2504 if (!is_valid(himl))
2507 /* remove all images */
2508 himl->cMaxImage = himl->cInitial + himl->cGrow;
2509 himl->cCurImage = 0;
2513 /* initialize overlay mask indices */
2514 for (nCount = 0; nCount < MAX_OVERLAYIMAGE; nCount++)
2515 himl->nOvlIdx[nCount] = -1;
2517 hbmNew = ImageList_CreateImage(himl->hdcImage, himl, himl->cMaxImage, himl->cy);
2518 SelectObject (himl->hdcImage, hbmNew);
2519 DeleteObject (himl->hbmImage);
2520 himl->hbmImage = hbmNew;
2522 if (himl->hbmMask) {
2524 imagelist_get_bitmap_size(himl, himl->cMaxImage, himl->cy, &sz);
2525 hbmNew = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
2526 SelectObject (himl->hdcMask, hbmNew);
2527 DeleteObject (himl->hbmMask);
2528 himl->hbmMask = hbmNew;
2535 /*************************************************************************
2536 * ImageList_SetImageCount [COMCTL32.@]
2538 * Resizes an image list to the specified number of images.
2541 * himl [I] handle to image list
2542 * iImageCount [I] number of images in the image list
2550 ImageList_SetImageCount (HIMAGELIST himl, UINT iImageCount)
2553 HBITMAP hbmNewBitmap;
2554 INT nNewCount, nCopyCount;
2556 TRACE("%p %d\n",himl,iImageCount);
2558 if (!is_valid(himl))
2560 if (iImageCount < 0)
2562 if (himl->cMaxImage > iImageCount)
2564 himl->cCurImage = iImageCount;
2565 /* TODO: shrink the bitmap when cMaxImage-cCurImage>cGrow ? */
2569 nNewCount = iImageCount + himl->cGrow;
2570 nCopyCount = min(himl->cCurImage, iImageCount);
2572 hdcBitmap = CreateCompatibleDC (0);
2574 hbmNewBitmap = ImageList_CreateImage(hdcBitmap, himl, nNewCount, himl->cy);
2576 if (hbmNewBitmap != 0)
2578 SelectObject (hdcBitmap, hbmNewBitmap);
2579 imagelist_copy_images( himl, himl->hdcImage, hdcBitmap, 0, nCopyCount, 0 );
2581 /* FIXME: delete 'empty' image space? */
2583 SelectObject (himl->hdcImage, hbmNewBitmap);
2584 DeleteObject (himl->hbmImage);
2585 himl->hbmImage = hbmNewBitmap;
2588 ERR("Could not create new image bitmap !\n");
2593 imagelist_get_bitmap_size( himl, nNewCount, himl->cy, &sz );
2594 hbmNewBitmap = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
2595 if (hbmNewBitmap != 0)
2597 SelectObject (hdcBitmap, hbmNewBitmap);
2598 imagelist_copy_images( himl, himl->hdcMask, hdcBitmap, 0, nCopyCount, 0 );
2600 /* FIXME: delete 'empty' image space? */
2602 SelectObject (himl->hdcMask, hbmNewBitmap);
2603 DeleteObject (himl->hbmMask);
2604 himl->hbmMask = hbmNewBitmap;
2607 ERR("Could not create new mask bitmap!\n");
2610 DeleteDC (hdcBitmap);
2612 /* Update max image count and current image count */
2613 himl->cMaxImage = nNewCount;
2614 himl->cCurImage = iImageCount;
2620 /*************************************************************************
2621 * ImageList_SetOverlayImage [COMCTL32.@]
2623 * Assigns an overlay mask index to an existing image in an image list.
2626 * himl [I] handle to image list
2627 * iImage [I] image index
2628 * iOverlay [I] overlay mask index
2636 ImageList_SetOverlayImage (HIMAGELIST himl, INT iImage, INT iOverlay)
2638 if (!is_valid(himl))
2640 if ((iOverlay < 1) || (iOverlay > MAX_OVERLAYIMAGE))
2642 if ((iImage!=-1) && ((iImage < 0) || (iImage > himl->cCurImage)))
2644 himl->nOvlIdx[iOverlay - 1] = iImage;
2650 /* helper for ImageList_Write - write bitmap to pstm
2651 * currently everything is written as 24 bit RGB, except masks
2654 _write_bitmap(HBITMAP hBitmap, LPSTREAM pstm, int cx, int cy)
2656 LPBITMAPFILEHEADER bmfh;
2657 LPBITMAPINFOHEADER bmih;
2658 LPBYTE data = NULL, lpBits = NULL, lpBitsOrg = NULL;
2660 INT bitCount, sizeImage, offBits, totalSize;
2661 INT nwidth, nheight, nsizeImage, icount;
2663 BOOL result = FALSE;
2667 if (!GetObjectW(hBitmap, sizeof(BITMAP), (LPVOID)&bm))
2670 /* XXX is this always correct? */
2671 icount = bm.bmWidth / cx;
2673 nheight = cy * icount;
2675 bitCount = bm.bmBitsPixel == 1 ? 1 : 24;
2676 sizeImage = ((((bm.bmWidth * bitCount)+31) & ~31) >> 3) * bm.bmHeight;
2677 nsizeImage = ((((nwidth * bitCount)+31) & ~31) >> 3) * nheight;
2679 totalSize = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER);
2681 totalSize += (1 << bitCount) * sizeof(RGBQUAD);
2682 offBits = totalSize;
2683 totalSize += nsizeImage;
2685 data = (LPBYTE)LocalAlloc(LMEM_ZEROINIT, totalSize);
2686 bmfh = (LPBITMAPFILEHEADER)data;
2687 bmih = (LPBITMAPINFOHEADER)(data + sizeof(BITMAPFILEHEADER));
2688 lpBits = data + offBits;
2690 /* setup BITMAPFILEHEADER */
2691 bmfh->bfType = (('M' << 8) | 'B');
2693 bmfh->bfReserved1 = 0;
2694 bmfh->bfReserved2 = 0;
2695 bmfh->bfOffBits = offBits;
2697 /* setup BITMAPINFOHEADER */
2698 bmih->biSize = sizeof(BITMAPINFOHEADER);
2699 bmih->biWidth = bm.bmWidth;
2700 bmih->biHeight = bm.bmHeight;
2702 bmih->biBitCount = bitCount;
2703 bmih->biCompression = BI_RGB;
2704 bmih->biSizeImage = sizeImage;
2705 bmih->biXPelsPerMeter = 0;
2706 bmih->biYPelsPerMeter = 0;
2707 bmih->biClrUsed = 0;
2708 bmih->biClrImportant = 0;
2710 lpBitsOrg = (LPBYTE)LocalAlloc(LMEM_ZEROINIT, sizeImage);
2711 if(!GetDIBits(xdc, hBitmap, 0, bm.bmHeight, lpBitsOrg,
2712 (BITMAPINFO *)bmih, DIB_RGB_COLORS))
2716 int obpl = (((bm.bmWidth*bitCount+31) & ~31)>>3);
2717 int nbpl = (((nwidth*bitCount+31) & ~31)>>3);
2719 for(i = 0; i < nheight; i++) {
2720 int ooff = ((nheight-1-i)%cy) * obpl + ((i/cy) * nbpl);
2721 int noff = (nbpl * (nheight-1-i));
2722 memcpy(lpBits + noff, lpBitsOrg + ooff, nbpl);
2726 bmih->biWidth = nwidth;
2727 bmih->biHeight = nheight;
2728 bmih->biSizeImage = nsizeImage;
2732 LPBITMAPINFO inf = (LPBITMAPINFO)bmih;
2733 inf->bmiColors[0].rgbRed = inf->bmiColors[0].rgbGreen = inf->bmiColors[0].rgbBlue = 0;
2734 inf->bmiColors[1].rgbRed = inf->bmiColors[1].rgbGreen = inf->bmiColors[1].rgbBlue = 0xff;
2737 if(!SUCCEEDED(IStream_Write(pstm, data, totalSize, NULL)))
2744 LocalFree((HLOCAL)lpBitsOrg);
2745 LocalFree((HLOCAL)data);
2751 /*************************************************************************
2752 * ImageList_Write [COMCTL32.@]
2754 * Writes an image list to a stream.
2757 * himl [I] handle to image list
2758 * pstm [O] Pointer to a stream.
2769 ImageList_Write (HIMAGELIST himl, LPSTREAM pstm)
2774 if (!is_valid(himl))
2777 ilHead.usMagic = (('L' << 8) | 'I');
2778 ilHead.usVersion = 0x101;
2779 ilHead.cCurImage = himl->cCurImage;
2780 ilHead.cMaxImage = himl->cMaxImage;
2781 ilHead.cGrow = himl->cGrow;
2782 ilHead.cx = himl->cx;
2783 ilHead.cy = himl->cy;
2784 ilHead.bkcolor = himl->clrBk;
2785 ilHead.flags = himl->flags;
2786 for(i = 0; i < 4; i++) {
2787 ilHead.ovls[i] = himl->nOvlIdx[i];
2790 if(!SUCCEEDED(IStream_Write(pstm, &ilHead, sizeof(ILHEAD), NULL)))
2793 /* write the bitmap */
2794 if(!_write_bitmap(himl->hbmImage, pstm, himl->cx, himl->cy))
2797 /* write the mask if we have one */
2798 if(himl->flags & ILC_MASK) {
2799 if(!_write_bitmap(himl->hbmMask, pstm, himl->cx, himl->cy))
2807 static HBITMAP ImageList_CreateImage(HDC hdc, HIMAGELIST himl, UINT count, UINT height)
2809 HBITMAP hbmNewBitmap;
2810 UINT ilc = (himl->flags & 0xFE);
2813 imagelist_get_bitmap_size( himl, count, height, &sz );
2815 if ((ilc >= ILC_COLOR4 && ilc <= ILC_COLOR32) || ilc == ILC_COLOR)
2820 TRACE("Creating DIBSection: %d Bits per Pixel\n", himl->uBitsPixel);
2822 if (himl->uBitsPixel <= ILC_COLOR8)
2828 colors = 1 << himl->uBitsPixel;
2829 bmi = Alloc(sizeof(BITMAPINFOHEADER) +
2830 sizeof(PALETTEENTRY) * colors);
2832 pal = (LPPALETTEENTRY)bmi->bmiColors;
2833 GetPaletteEntries(GetStockObject(DEFAULT_PALETTE), 0, colors, pal);
2835 /* Swap colors returned by GetPaletteEntries so we can use them for
2836 * CreateDIBSection call. */
2837 for (i = 0; i < colors; i++)
2839 temp = pal[i].peBlue;
2840 bmi->bmiColors[i].rgbRed = pal[i].peRed;
2841 bmi->bmiColors[i].rgbBlue = temp;
2846 bmi = Alloc(sizeof(BITMAPINFOHEADER));
2849 bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
2850 bmi->bmiHeader.biWidth = sz.cx;
2851 bmi->bmiHeader.biHeight = sz.cy;
2852 bmi->bmiHeader.biPlanes = 1;
2853 bmi->bmiHeader.biBitCount = himl->uBitsPixel;
2854 bmi->bmiHeader.biCompression = BI_RGB;
2855 bmi->bmiHeader.biSizeImage = 0;
2856 bmi->bmiHeader.biXPelsPerMeter = 0;
2857 bmi->bmiHeader.biYPelsPerMeter = 0;
2858 bmi->bmiHeader.biClrUsed = 0;
2859 bmi->bmiHeader.biClrImportant = 0;
2861 hbmNewBitmap = CreateDIBSection(hdc, bmi, DIB_RGB_COLORS, &bits, 0, 0);
2865 else /*if (ilc == ILC_COLORDDB)*/
2867 TRACE("Creating Bitmap: %d Bits per Pixel\n", himl->uBitsPixel);
2869 hbmNewBitmap = CreateBitmap (sz.cx, sz.cy, 1, himl->uBitsPixel, NULL);
2871 TRACE("returning %p\n", hbmNewBitmap);
2872 return hbmNewBitmap;
2875 /*************************************************************************
2876 * ImageList_SetColorTable [COMCTL32.@]
2878 * Sets the color table of an image list.
2881 * himl [I] Handle to the image list.
2882 * uStartIndex [I] The first index to set.
2883 * cEntries [I] Number of entries to set.
2884 * prgb [I] New color information for color table for the image list.
2887 * Success: Number of entries in the table that were set.
2891 * ImageList_Create(), SetDIBColorTable()
2895 ImageList_SetColorTable (HIMAGELIST himl, UINT uStartIndex, UINT cEntries, CONST RGBQUAD * prgb)
2897 return SetDIBColorTable(himl->hdcImage, uStartIndex, cEntries, prgb);