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, ILS_ALPHA
37 * - Thread-safe locking
54 #include "imagelist.h"
55 #include "wine/debug.h"
57 WINE_DEFAULT_DEBUG_CHANNEL(imagelist);
60 #define MAX_OVERLAYIMAGE 15
62 /* internal image list data used for Drag & Drop operations */
67 /* position of the drag image relative to the window */
70 /* offset of the hotspot relative to the origin of the image */
73 /* is the drag image visible */
75 /* saved background */
79 static INTERNALDRAG InternalDrag = { 0, 0, 0, 0, 0, 0, FALSE, 0 };
81 static HBITMAP ImageList_CreateImage(HDC hdc, HIMAGELIST himl, UINT count, UINT width);
83 static inline BOOL is_valid(HIMAGELIST himl)
85 return himl && himl->magic == IMAGELIST_MAGIC;
89 * An imagelist with N images is tiled like this:
101 static inline UINT imagelist_height( UINT count )
103 return ((count + TILE_COUNT - 1)/TILE_COUNT);
106 static inline void imagelist_point_from_index( HIMAGELIST himl, UINT index, LPPOINT pt )
108 pt->x = (index%TILE_COUNT) * himl->cx;
109 pt->y = (index/TILE_COUNT) * himl->cy;
112 static inline void imagelist_get_bitmap_size( HIMAGELIST himl, UINT count, UINT cx, SIZE *sz )
114 sz->cx = cx * TILE_COUNT;
115 sz->cy = imagelist_height( count ) * himl->cy;
119 * imagelist_copy_images()
121 * Copies a block of count images from offset src in the list to offset dest.
122 * Images are copied a row at at time. Assumes hdcSrc and hdcDest are different.
124 static inline void imagelist_copy_images( HIMAGELIST himl, HDC hdcSrc, HDC hdcDest,
125 UINT src, UINT count, UINT dest )
131 for ( i=0; i<TILE_COUNT; i++ )
133 imagelist_point_from_index( himl, src+i, &ptSrc );
134 imagelist_point_from_index( himl, dest+i, &ptDest );
136 sz.cy = himl->cy * imagelist_height( count - i );
138 BitBlt( hdcDest, ptDest.x, ptDest.y, sz.cx, sz.cy,
139 hdcSrc, ptSrc.x, ptSrc.y, SRCCOPY );
143 /*************************************************************************
144 * IMAGELIST_InternalExpandBitmaps [Internal]
146 * Expands the bitmaps of an image list by the given number of images.
149 * himl [I] handle to image list
150 * nImageCount [I] number of images to add
156 * This function CANNOT be used to reduce the number of images.
159 IMAGELIST_InternalExpandBitmaps (HIMAGELIST himl, INT nImageCount, INT cx, INT cy)
162 HBITMAP hbmNewBitmap, hbmNull;
166 if ((himl->cCurImage + nImageCount <= himl->cMaxImage)
170 if (cx == 0) cx = himl->cx;
171 nNewCount = himl->cCurImage + nImageCount + himl->cGrow;
173 imagelist_get_bitmap_size(himl, nNewCount, cx, &sz);
175 TRACE("Create expanded bitmaps : himl=%p x=%d y=%d count=%d\n", himl, sz.cx, cy, nNewCount);
176 hdcBitmap = CreateCompatibleDC (0);
178 hbmNewBitmap = ImageList_CreateImage(hdcBitmap, himl, nNewCount, cx);
180 if (hbmNewBitmap == 0)
181 ERR("creating new image bitmap (x=%d y=%d)!\n", sz.cx, cy);
185 hbmNull = SelectObject (hdcBitmap, hbmNewBitmap);
186 BitBlt (hdcBitmap, 0, 0, sz.cx, sz.cy,
187 himl->hdcImage, 0, 0, SRCCOPY);
188 SelectObject (hdcBitmap, hbmNull);
190 SelectObject (himl->hdcImage, hbmNewBitmap);
191 DeleteObject (himl->hbmImage);
192 himl->hbmImage = hbmNewBitmap;
194 if (himl->flags & ILC_MASK)
196 hbmNewBitmap = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
198 if (hbmNewBitmap == 0)
199 ERR("creating new mask bitmap!\n");
203 hbmNull = SelectObject (hdcBitmap, hbmNewBitmap);
204 BitBlt (hdcBitmap, 0, 0, sz.cx, sz.cy,
205 himl->hdcMask, 0, 0, SRCCOPY);
206 SelectObject (hdcBitmap, hbmNull);
208 SelectObject (himl->hdcMask, hbmNewBitmap);
209 DeleteObject (himl->hbmMask);
210 himl->hbmMask = hbmNewBitmap;
213 himl->cMaxImage = nNewCount;
215 DeleteDC (hdcBitmap);
219 /*************************************************************************
220 * ImageList_Add [COMCTL32.@]
222 * Add an image or images to an image list.
225 * himl [I] handle to image list
226 * hbmImage [I] handle to image bitmap
227 * hbmMask [I] handle to mask bitmap
230 * Success: Index of the first new image.
235 ImageList_Add (HIMAGELIST himl, HBITMAP hbmImage, HBITMAP hbmMask)
237 HDC hdcBitmap, hdcTemp;
238 INT nFirstIndex, nImageCount, i;
240 HBITMAP hOldBitmap, hOldBitmapTemp;
243 TRACE("himl=%p hbmimage=%p hbmmask=%p\n", himl, hbmImage, hbmMask);
247 if (!GetObjectW(hbmImage, sizeof(BITMAP), &bmp))
250 nImageCount = bmp.bmWidth / himl->cx;
252 IMAGELIST_InternalExpandBitmaps (himl, nImageCount, bmp.bmWidth, bmp.bmHeight);
254 hdcBitmap = CreateCompatibleDC(0);
256 hOldBitmap = SelectObject(hdcBitmap, hbmImage);
258 for (i=0; i<nImageCount; i++)
260 imagelist_point_from_index( himl, himl->cCurImage + i, &pt );
262 /* Copy result to the imagelist
264 BitBlt( himl->hdcImage, pt.x, pt.y, himl->cx, bmp.bmHeight,
265 hdcBitmap, i*himl->cx, 0, SRCCOPY );
270 hdcTemp = CreateCompatibleDC(0);
271 hOldBitmapTemp = SelectObject(hdcTemp, hbmMask);
273 BitBlt( himl->hdcMask, pt.x, pt.y, himl->cx, bmp.bmHeight,
274 hdcTemp, i*himl->cx, 0, SRCCOPY );
276 SelectObject(hdcTemp, hOldBitmapTemp);
279 /* Remove the background from the image
281 BitBlt( himl->hdcImage, pt.x, pt.y, himl->cx, bmp.bmHeight,
282 himl->hdcMask, pt.x, pt.y, 0x220326 ); /* NOTSRCAND */
285 SelectObject(hdcBitmap, hOldBitmap);
288 nFirstIndex = himl->cCurImage;
289 himl->cCurImage += nImageCount;
295 /*************************************************************************
296 * ImageList_AddIcon [COMCTL32.@]
298 * Adds an icon to an image list.
301 * himl [I] handle to image list
302 * hIcon [I] handle to icon
305 * Success: index of the new image
308 #undef ImageList_AddIcon
309 INT WINAPI ImageList_AddIcon (HIMAGELIST himl, HICON hIcon)
311 return ImageList_ReplaceIcon (himl, -1, hIcon);
315 /*************************************************************************
316 * ImageList_AddMasked [COMCTL32.@]
318 * Adds an image or images to an image list and creates a mask from the
319 * specified bitmap using the mask color.
322 * himl [I] handle to image list.
323 * hBitmap [I] handle to bitmap
324 * clrMask [I] mask color.
327 * Success: Index of the first new image.
332 ImageList_AddMasked (HIMAGELIST himl, HBITMAP hBitmap, COLORREF clrMask)
334 HDC hdcMask, hdcBitmap;
335 INT i, nIndex, nImageCount;
338 HBITMAP hMaskBitmap=0;
342 TRACE("himl=%p hbitmap=%p clrmask=%x\n", himl, hBitmap, clrMask);
346 if (!GetObjectW(hBitmap, sizeof(BITMAP), &bmp))
350 nImageCount = bmp.bmWidth / himl->cx;
354 IMAGELIST_InternalExpandBitmaps (himl, nImageCount, bmp.bmWidth, bmp.bmHeight);
356 nIndex = himl->cCurImage;
357 himl->cCurImage += nImageCount;
359 hdcBitmap = CreateCompatibleDC(0);
360 hOldBitmap = SelectObject(hdcBitmap, hBitmap);
362 /* Create a temp Mask so we can remove the background of the Image */
363 hdcMask = CreateCompatibleDC(0);
364 hMaskBitmap = CreateBitmap(bmp.bmWidth, bmp.bmHeight, 1, 1, NULL);
365 SelectObject(hdcMask, hMaskBitmap);
367 /* create monochrome image to the mask bitmap */
368 bkColor = (clrMask != CLR_DEFAULT) ? clrMask : GetPixel (hdcBitmap, 0, 0);
369 SetBkColor (hdcBitmap, bkColor);
370 BitBlt (hdcMask, 0, 0, bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
372 SetBkColor(hdcBitmap, RGB(255,255,255));
375 * Remove the background from the image
377 * WINDOWS BUG ALERT!!!!!!
378 * The statement below should not be done in common practice
379 * but this is how ImageList_AddMasked works in Windows.
380 * It overwrites the original bitmap passed, this was discovered
381 * by using the same bitmap to iterate the different styles
382 * on windows where it failed (BUT ImageList_Add is OK)
383 * This is here in case some apps rely on this bug
385 * Blt mode 0x220326 is NOTSRCAND
387 BitBlt(hdcBitmap, 0, 0, bmp.bmWidth, bmp.bmHeight, hdcMask, 0, 0, 0x220326);
389 /* Copy result to the imagelist */
390 for (i=0; i<nImageCount; i++)
392 imagelist_point_from_index( himl, nIndex + i, &pt );
393 BitBlt(himl->hdcImage, pt.x, pt.y, himl->cx, bmp.bmHeight,
394 hdcBitmap, i*himl->cx, 0, SRCCOPY);
395 BitBlt(himl->hdcMask, pt.x, pt.y, himl->cx, bmp.bmHeight,
396 hdcMask, i*himl->cx, 0, SRCCOPY);
400 SelectObject(hdcBitmap, hOldBitmap);
402 DeleteObject(hMaskBitmap);
409 /*************************************************************************
410 * ImageList_BeginDrag [COMCTL32.@]
412 * Creates a temporary image list that contains one image. It will be used
416 * himlTrack [I] handle to the source image list
417 * iTrack [I] index of the drag image in the source image list
418 * dxHotspot [I] X position of the hot spot of the drag image
419 * dyHotspot [I] Y position of the hot spot of the drag image
427 ImageList_BeginDrag (HIMAGELIST himlTrack, INT iTrack,
428 INT dxHotspot, INT dyHotspot)
432 TRACE("(himlTrack=%p iTrack=%d dx=%d dy=%d)\n", himlTrack, iTrack,
433 dxHotspot, dyHotspot);
435 if (!is_valid(himlTrack))
438 if (InternalDrag.himl)
439 ImageList_EndDrag ();
444 InternalDrag.himl = ImageList_Create (cx, cy, himlTrack->flags, 1, 1);
445 if (InternalDrag.himl == NULL) {
446 WARN("Error creating drag image list!\n");
450 InternalDrag.dxHotspot = dxHotspot;
451 InternalDrag.dyHotspot = dyHotspot;
454 BitBlt (InternalDrag.himl->hdcImage, 0, 0, cx, cy, himlTrack->hdcImage, iTrack * cx, 0, SRCCOPY);
457 BitBlt (InternalDrag.himl->hdcMask, 0, 0, cx, cy, himlTrack->hdcMask, iTrack * cx, 0, SRCCOPY);
459 InternalDrag.himl->cCurImage = 1;
465 /*************************************************************************
466 * ImageList_Copy [COMCTL32.@]
468 * Copies an image of the source image list to an image of the
469 * destination image list. Images can be copied or swapped.
472 * himlDst [I] handle to the destination image list
473 * iDst [I] destination image index.
474 * himlSrc [I] handle to the source image list
475 * iSrc [I] source image index
476 * uFlags [I] flags for the copy operation
483 * Copying from one image list to another is possible. The original
484 * implementation just copies or swaps within one image list.
485 * Could this feature become a bug??? ;-)
489 ImageList_Copy (HIMAGELIST himlDst, INT iDst, HIMAGELIST himlSrc,
490 INT iSrc, UINT uFlags)
494 TRACE("himlDst=%p iDst=%d himlSrc=%p iSrc=%d\n", himlDst, iDst, himlSrc, iSrc);
496 if (!is_valid(himlSrc) || !is_valid(himlDst))
498 if ((iDst < 0) || (iDst >= himlDst->cCurImage))
500 if ((iSrc < 0) || (iSrc >= himlSrc->cCurImage))
503 imagelist_point_from_index( himlDst, iDst, &ptDst );
504 imagelist_point_from_index( himlSrc, iSrc, &ptSrc );
506 if (uFlags & ILCF_SWAP) {
509 HBITMAP hbmTempImage, hbmTempMask;
511 hdcBmp = CreateCompatibleDC (0);
513 /* create temporary bitmaps */
514 hbmTempImage = CreateBitmap (himlSrc->cx, himlSrc->cy, 1,
515 himlSrc->uBitsPixel, NULL);
516 hbmTempMask = CreateBitmap (himlSrc->cx, himlSrc->cy, 1,
519 /* copy (and stretch) destination to temporary bitmaps.(save) */
521 SelectObject (hdcBmp, hbmTempImage);
522 StretchBlt (hdcBmp, 0, 0, himlSrc->cx, himlSrc->cy,
523 himlDst->hdcImage, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
526 SelectObject (hdcBmp, hbmTempMask);
527 StretchBlt (hdcBmp, 0, 0, himlSrc->cx, himlSrc->cy,
528 himlDst->hdcMask, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
531 /* copy (and stretch) source to destination */
533 StretchBlt (himlDst->hdcImage, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
534 himlSrc->hdcImage, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
537 StretchBlt (himlDst->hdcMask, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
538 himlSrc->hdcMask, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
541 /* copy (without stretching) temporary bitmaps to source (restore) */
543 BitBlt (himlSrc->hdcMask, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
544 hdcBmp, 0, 0, SRCCOPY);
547 BitBlt (himlSrc->hdcImage, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
548 hdcBmp, 0, 0, SRCCOPY);
549 /* delete temporary bitmaps */
550 DeleteObject (hbmTempMask);
551 DeleteObject (hbmTempImage);
556 StretchBlt (himlDst->hdcImage, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
557 himlSrc->hdcImage, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
561 StretchBlt (himlDst->hdcMask, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
562 himlSrc->hdcMask, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
570 /*************************************************************************
571 * ImageList_Create [COMCTL32.@]
573 * Creates a new image list.
576 * cx [I] image height
578 * flags [I] creation flags
579 * cInitial [I] initial number of images in the image list
580 * cGrow [I] number of images by which image list grows
583 * Success: Handle to the created image list
587 ImageList_Create (INT cx, INT cy, UINT flags,
588 INT cInitial, INT cGrow)
593 UINT ilc = (flags & 0xFE);
594 static const WORD aBitBlend25[] =
595 {0xAA, 0x00, 0x55, 0x00, 0xAA, 0x00, 0x55, 0x00};
597 static const WORD aBitBlend50[] =
598 {0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA};
600 TRACE("(%d %d 0x%x %d %d)\n", cx, cy, flags, cInitial, cGrow);
602 himl = Alloc (sizeof(struct _IMAGELIST));
606 cGrow = (cGrow < 4) ? 4 : (cGrow + 3) & ~3;
608 himl->magic = IMAGELIST_MAGIC;
612 himl->cMaxImage = cInitial + 1;
613 himl->cInitial = cInitial;
615 himl->clrFg = CLR_DEFAULT;
616 himl->clrBk = CLR_NONE;
618 /* initialize overlay mask indices */
619 for (nCount = 0; nCount < MAX_OVERLAYIMAGE; nCount++)
620 himl->nOvlIdx[nCount] = -1;
622 /* Create Image & Mask DCs */
623 himl->hdcImage = CreateCompatibleDC (0);
626 if (himl->flags & ILC_MASK){
627 himl->hdcMask = CreateCompatibleDC(0);
632 /* Default to ILC_COLOR4 if none of the ILC_COLOR* flags are specified */
633 if (ilc == ILC_COLOR)
636 if (ilc >= ILC_COLOR4 && ilc <= ILC_COLOR32)
637 himl->uBitsPixel = ilc;
639 himl->uBitsPixel = (UINT)GetDeviceCaps (himl->hdcImage, BITSPIXEL);
641 if (himl->cMaxImage > 0) {
642 himl->hbmImage = ImageList_CreateImage(himl->hdcImage, himl, himl->cMaxImage, cx);
643 SelectObject(himl->hdcImage, himl->hbmImage);
647 if ((himl->cMaxImage > 0) && (himl->flags & ILC_MASK)) {
650 imagelist_get_bitmap_size(himl, himl->cMaxImage, himl->cx, &sz);
651 himl->hbmMask = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
652 if (himl->hbmMask == 0) {
653 ERR("Error creating mask bitmap!\n");
656 SelectObject(himl->hdcMask, himl->hbmMask);
661 /* create blending brushes */
662 hbmTemp = CreateBitmap (8, 8, 1, 1, aBitBlend25);
663 himl->hbrBlend25 = CreatePatternBrush (hbmTemp);
664 DeleteObject (hbmTemp);
666 hbmTemp = CreateBitmap (8, 8, 1, 1, aBitBlend50);
667 himl->hbrBlend50 = CreatePatternBrush (hbmTemp);
668 DeleteObject (hbmTemp);
670 TRACE("created imagelist %p\n", himl);
674 if (himl) ImageList_Destroy(himl);
679 /*************************************************************************
680 * ImageList_Destroy [COMCTL32.@]
682 * Destroys an image list.
685 * himl [I] handle to image list
693 ImageList_Destroy (HIMAGELIST himl)
698 /* delete image bitmaps */
700 DeleteObject (himl->hbmImage);
702 DeleteObject (himl->hbmMask);
704 /* delete image & mask DCs */
706 DeleteDC(himl->hdcImage);
708 DeleteDC(himl->hdcMask);
710 /* delete blending brushes */
711 if (himl->hbrBlend25)
712 DeleteObject (himl->hbrBlend25);
713 if (himl->hbrBlend50)
714 DeleteObject (himl->hbrBlend50);
716 ZeroMemory(himl, sizeof(*himl));
723 /*************************************************************************
724 * ImageList_DragEnter [COMCTL32.@]
726 * Locks window update and displays the drag image at the given position.
729 * hwndLock [I] handle of the window that owns the drag image.
730 * x [I] X position of the drag image.
731 * y [I] Y position of the drag image.
738 * The position of the drag image is relative to the window, not
743 ImageList_DragEnter (HWND hwndLock, INT x, INT y)
745 TRACE("(hwnd=%p x=%d y=%d)\n", hwndLock, x, y);
747 if (!is_valid(InternalDrag.himl))
751 InternalDrag.hwnd = hwndLock;
753 InternalDrag.hwnd = GetDesktopWindow ();
758 /* draw the drag image and save the background */
759 if (!ImageList_DragShowNolock(TRUE)) {
767 /*************************************************************************
768 * ImageList_DragLeave [COMCTL32.@]
770 * Unlocks window update and hides the drag image.
773 * hwndLock [I] handle of the window that owns the drag image.
781 ImageList_DragLeave (HWND hwndLock)
783 /* As we don't save drag info in the window this can lead to problems if
784 an app does not supply the same window as DragEnter */
786 InternalDrag.hwnd = hwndLock;
788 InternalDrag.hwnd = GetDesktopWindow (); */
790 hwndLock = GetDesktopWindow();
791 if(InternalDrag.hwnd != hwndLock)
792 FIXME("DragLeave hWnd != DragEnter hWnd\n");
794 ImageList_DragShowNolock (FALSE);
800 /*************************************************************************
801 * ImageList_InternalDragDraw [Internal]
803 * Draws the drag image.
806 * hdc [I] device context to draw into.
807 * x [I] X position of the drag image.
808 * y [I] Y position of the drag image.
815 * The position of the drag image is relative to the window, not
821 ImageList_InternalDragDraw (HDC hdc, INT x, INT y)
823 IMAGELISTDRAWPARAMS imldp;
825 ZeroMemory (&imldp, sizeof(imldp));
826 imldp.cbSize = sizeof(imldp);
827 imldp.himl = InternalDrag.himl;
832 imldp.rgbBk = CLR_DEFAULT;
833 imldp.rgbFg = CLR_DEFAULT;
834 imldp.fStyle = ILD_NORMAL;
835 imldp.fState = ILS_ALPHA;
838 /* FIXME: instead of using the alpha blending, we should
839 * create a 50% mask, and draw it semitransparantly that way */
840 ImageList_DrawIndirect (&imldp);
843 /*************************************************************************
844 * ImageList_DragMove [COMCTL32.@]
846 * Moves the drag image.
849 * x [I] X position of the drag image.
850 * y [I] Y position of the drag image.
857 * The position of the drag image is relative to the window, not
861 * The drag image should be drawn semitransparent.
865 ImageList_DragMove (INT x, INT y)
867 TRACE("(x=%d y=%d)\n", x, y);
869 if (!is_valid(InternalDrag.himl))
872 /* draw/update the drag image */
873 if (InternalDrag.bShow) {
877 HBITMAP hbmOffScreen;
878 INT origNewX, origNewY;
879 INT origOldX, origOldY;
880 INT origRegX, origRegY;
881 INT sizeRegX, sizeRegY;
884 /* calculate the update region */
885 origNewX = x - InternalDrag.dxHotspot;
886 origNewY = y - InternalDrag.dyHotspot;
887 origOldX = InternalDrag.x - InternalDrag.dxHotspot;
888 origOldY = InternalDrag.y - InternalDrag.dyHotspot;
889 origRegX = min(origNewX, origOldX);
890 origRegY = min(origNewY, origOldY);
891 sizeRegX = InternalDrag.himl->cx + abs(x - InternalDrag.x);
892 sizeRegY = InternalDrag.himl->cy + abs(y - InternalDrag.y);
894 hdcDrag = GetDCEx(InternalDrag.hwnd, 0,
895 DCX_WINDOW | DCX_CACHE | DCX_LOCKWINDOWUPDATE);
896 hdcOffScreen = CreateCompatibleDC(hdcDrag);
897 hdcBg = CreateCompatibleDC(hdcDrag);
899 hbmOffScreen = CreateCompatibleBitmap(hdcDrag, sizeRegX, sizeRegY);
900 SelectObject(hdcOffScreen, hbmOffScreen);
901 SelectObject(hdcBg, InternalDrag.hbmBg);
903 /* get the actual background of the update region */
904 BitBlt(hdcOffScreen, 0, 0, sizeRegX, sizeRegY, hdcDrag,
905 origRegX, origRegY, SRCCOPY);
906 /* erase the old image */
907 BitBlt(hdcOffScreen, origOldX - origRegX, origOldY - origRegY,
908 InternalDrag.himl->cx, InternalDrag.himl->cy, hdcBg, 0, 0,
910 /* save the background */
911 BitBlt(hdcBg, 0, 0, InternalDrag.himl->cx, InternalDrag.himl->cy,
912 hdcOffScreen, origNewX - origRegX, origNewY - origRegY, SRCCOPY);
914 ImageList_InternalDragDraw(hdcOffScreen, origNewX - origRegX,
915 origNewY - origRegY);
916 /* draw the update region to the screen */
917 BitBlt(hdcDrag, origRegX, origRegY, sizeRegX, sizeRegY,
918 hdcOffScreen, 0, 0, SRCCOPY);
921 DeleteDC(hdcOffScreen);
922 DeleteObject(hbmOffScreen);
923 ReleaseDC(InternalDrag.hwnd, hdcDrag);
926 /* update the image position */
934 /*************************************************************************
935 * ImageList_DragShowNolock [COMCTL32.@]
937 * Shows or hides the drag image.
940 * bShow [I] TRUE shows the drag image, FALSE hides it.
947 * The drag image should be drawn semitransparent.
951 ImageList_DragShowNolock (BOOL bShow)
957 if (!is_valid(InternalDrag.himl))
960 TRACE("bShow=0x%X!\n", bShow);
962 /* DragImage is already visible/hidden */
963 if ((InternalDrag.bShow && bShow) || (!InternalDrag.bShow && !bShow)) {
967 /* position of the origin of the DragImage */
968 x = InternalDrag.x - InternalDrag.dxHotspot;
969 y = InternalDrag.y - InternalDrag.dyHotspot;
971 hdcDrag = GetDCEx (InternalDrag.hwnd, 0,
972 DCX_WINDOW | DCX_CACHE | DCX_LOCKWINDOWUPDATE);
977 hdcBg = CreateCompatibleDC(hdcDrag);
978 if (!InternalDrag.hbmBg) {
979 InternalDrag.hbmBg = CreateCompatibleBitmap(hdcDrag,
980 InternalDrag.himl->cx, InternalDrag.himl->cy);
982 SelectObject(hdcBg, InternalDrag.hbmBg);
985 /* save the background */
986 BitBlt(hdcBg, 0, 0, InternalDrag.himl->cx, InternalDrag.himl->cy,
987 hdcDrag, x, y, SRCCOPY);
989 ImageList_InternalDragDraw(hdcDrag, x, y);
992 BitBlt(hdcDrag, x, y, InternalDrag.himl->cx, InternalDrag.himl->cy,
993 hdcBg, 0, 0, SRCCOPY);
996 InternalDrag.bShow = !InternalDrag.bShow;
999 ReleaseDC (InternalDrag.hwnd, hdcDrag);
1004 /*************************************************************************
1005 * ImageList_Draw [COMCTL32.@]
1010 * himl [I] handle to image list
1012 * hdc [I] handle to device context
1015 * fStyle [I] drawing flags
1026 ImageList_Draw (HIMAGELIST himl, INT i, HDC hdc, INT x, INT y, UINT fStyle)
1028 return ImageList_DrawEx (himl, i, hdc, x, y, 0, 0,
1029 CLR_DEFAULT, CLR_DEFAULT, fStyle);
1033 /*************************************************************************
1034 * ImageList_DrawEx [COMCTL32.@]
1036 * Draws an image and allows to use extended drawing features.
1039 * himl [I] handle to image list
1041 * hdc [I] handle to device context
1046 * rgbBk [I] background color
1047 * rgbFg [I] foreground color
1048 * fStyle [I] drawing flags
1055 * Calls ImageList_DrawIndirect.
1058 * ImageList_DrawIndirect.
1062 ImageList_DrawEx (HIMAGELIST himl, INT i, HDC hdc, INT x, INT y,
1063 INT dx, INT dy, COLORREF rgbBk, COLORREF rgbFg,
1066 IMAGELISTDRAWPARAMS imldp;
1068 ZeroMemory (&imldp, sizeof(imldp));
1069 imldp.cbSize = sizeof(imldp);
1077 imldp.rgbBk = rgbBk;
1078 imldp.rgbFg = rgbFg;
1079 imldp.fStyle = fStyle;
1081 return ImageList_DrawIndirect (&imldp);
1085 /*************************************************************************
1086 * ImageList_DrawIndirect [COMCTL32.@]
1088 * Draws an image using various parameters specified in pimldp.
1091 * pimldp [I] pointer to IMAGELISTDRAWPARAMS structure.
1099 ImageList_DrawIndirect (IMAGELISTDRAWPARAMS *pimldp)
1101 INT cx, cy, nOvlIdx;
1102 DWORD fState, dwRop;
1104 COLORREF oldImageBk, oldImageFg;
1105 HDC hImageDC, hImageListDC, hMaskListDC;
1106 HBITMAP hImageBmp, hOldImageBmp, hBlendMaskBmp;
1107 BOOL bIsTransparent, bBlend, bResult = FALSE, bMask;
1111 if (!pimldp || !(himl = pimldp->himl)) return FALSE;
1112 if (!is_valid(himl)) return FALSE;
1113 if ((pimldp->i < 0) || (pimldp->i >= himl->cCurImage)) return FALSE;
1115 imagelist_point_from_index( himl, pimldp->i, &pt );
1116 pt.x += pimldp->xBitmap;
1117 pt.y += pimldp->yBitmap;
1119 fState = pimldp->cbSize < sizeof(IMAGELISTDRAWPARAMS) ? ILS_NORMAL : pimldp->fState;
1120 fStyle = pimldp->fStyle & ~ILD_OVERLAYMASK;
1121 cx = (pimldp->cx == 0) ? himl->cx : pimldp->cx;
1122 cy = (pimldp->cy == 0) ? himl->cy : pimldp->cy;
1124 bIsTransparent = (fStyle & ILD_TRANSPARENT);
1125 if( pimldp->rgbBk == CLR_NONE )
1126 bIsTransparent = TRUE;
1127 if( ( pimldp->rgbBk == CLR_DEFAULT ) && ( himl->clrBk == CLR_NONE ) )
1128 bIsTransparent = TRUE;
1129 bMask = (himl->flags & ILC_MASK) && (fStyle & ILD_MASK) ;
1130 bBlend = (fStyle & (ILD_BLEND25 | ILD_BLEND50) ) && !bMask;
1132 TRACE("himl(%p) hbmMask(%p) iImage(%d) x(%d) y(%d) cx(%d) cy(%d)\n",
1133 himl, himl->hbmMask, pimldp->i, pimldp->x, pimldp->y, cx, cy);
1135 /* we will use these DCs to access the images and masks in the ImageList */
1136 hImageListDC = himl->hdcImage;
1137 hMaskListDC = himl->hdcMask;
1139 /* these will accumulate the image and mask for the image we're drawing */
1140 hImageDC = CreateCompatibleDC( pimldp->hdcDst );
1141 hImageBmp = CreateCompatibleBitmap( pimldp->hdcDst, cx, cy );
1142 hBlendMaskBmp = bBlend ? CreateBitmap(cx, cy, 1, 1, NULL) : 0;
1144 /* Create a compatible DC. */
1145 if (!hImageListDC || !hImageDC || !hImageBmp ||
1146 (bBlend && !hBlendMaskBmp) || (himl->hbmMask && !hMaskListDC))
1149 hOldImageBmp = SelectObject(hImageDC, hImageBmp);
1152 * To obtain a transparent look, background color should be set
1153 * to white and foreground color to black when blting the
1156 oldImageFg = SetTextColor( hImageDC, RGB( 0, 0, 0 ) );
1157 oldImageBk = SetBkColor( hImageDC, RGB( 0xff, 0xff, 0xff ) );
1160 * Draw the initial image
1163 if (himl->hbmMask) {
1165 hOldBrush = SelectObject (hImageDC, CreateSolidBrush (GetTextColor(pimldp->hdcDst)));
1166 PatBlt( hImageDC, 0, 0, cx, cy, PATCOPY );
1167 BitBlt(hImageDC, 0, 0, cx, cy, hMaskListDC, pt.x, pt.y, SRCPAINT);
1168 DeleteObject (SelectObject (hImageDC, hOldBrush));
1169 if( bIsTransparent )
1171 BitBlt ( pimldp->hdcDst, pimldp->x, pimldp->y, cx, cy, hImageDC, 0, 0, SRCAND);
1176 HBRUSH hOldBrush = SelectObject (hImageDC, GetStockObject(BLACK_BRUSH));
1177 PatBlt( hImageDC, 0, 0, cx, cy, PATCOPY);
1178 SelectObject(hImageDC, hOldBrush);
1181 /* blend the image with the needed solid background */
1182 COLORREF colour = RGB(0,0,0);
1185 if( !bIsTransparent )
1187 colour = pimldp->rgbBk;
1188 if( colour == CLR_DEFAULT )
1189 colour = himl->clrBk;
1190 if( colour == CLR_NONE )
1191 colour = GetBkColor(pimldp->hdcDst);
1194 hOldBrush = SelectObject (hImageDC, CreateSolidBrush (colour));
1195 PatBlt( hImageDC, 0, 0, cx, cy, PATCOPY );
1198 BitBlt( hImageDC, 0, 0, cx, cy, hMaskListDC, pt.x, pt.y, SRCAND );
1199 BitBlt( hImageDC, 0, 0, cx, cy, hImageListDC, pt.x, pt.y, SRCPAINT );
1202 BitBlt( hImageDC, 0, 0, cx, cy, hImageListDC, pt.x, pt.y, SRCCOPY);
1203 DeleteObject (SelectObject (hImageDC, hOldBrush));
1206 /* Time for blending, if required */
1208 HBRUSH hBlendBrush, hOldBrush;
1209 COLORREF clrBlend = pimldp->rgbFg;
1210 HDC hBlendMaskDC = hImageListDC;
1213 /* Create the blend Mask */
1214 hOldBitmap = SelectObject(hBlendMaskDC, hBlendMaskBmp);
1215 hBlendBrush = fStyle & ILD_BLEND50 ? himl->hbrBlend50 : himl->hbrBlend25;
1216 hOldBrush = SelectObject(hBlendMaskDC, hBlendBrush);
1217 PatBlt(hBlendMaskDC, 0, 0, cx, cy, PATCOPY);
1218 SelectObject(hBlendMaskDC, hOldBrush);
1220 /* Modify the blend mask if an Image Mask exist */
1222 BitBlt(hBlendMaskDC, 0, 0, cx, cy, hMaskListDC, pt.x, pt.y, 0x220326); /* NOTSRCAND */
1223 BitBlt(hBlendMaskDC, 0, 0, cx, cy, hBlendMaskDC, 0, 0, NOTSRCCOPY);
1226 /* now apply blend to the current image given the BlendMask */
1227 if (clrBlend == CLR_DEFAULT) clrBlend = GetSysColor (COLOR_HIGHLIGHT);
1228 else if (clrBlend == CLR_NONE) clrBlend = GetTextColor (pimldp->hdcDst);
1229 hOldBrush = SelectObject (hImageDC, CreateSolidBrush(clrBlend));
1230 BitBlt (hImageDC, 0, 0, cx, cy, hBlendMaskDC, 0, 0, 0xB8074A); /* PSDPxax */
1231 DeleteObject(SelectObject(hImageDC, hOldBrush));
1232 SelectObject(hBlendMaskDC, hOldBitmap);
1235 /* Now do the overlay image, if any */
1236 nOvlIdx = (pimldp->fStyle & ILD_OVERLAYMASK) >> 8;
1237 if ( (nOvlIdx >= 1) && (nOvlIdx <= MAX_OVERLAYIMAGE)) {
1238 nOvlIdx = himl->nOvlIdx[nOvlIdx - 1];
1239 if ((nOvlIdx >= 0) && (nOvlIdx < himl->cCurImage)) {
1241 imagelist_point_from_index( himl, nOvlIdx, &ptOvl );
1242 ptOvl.x += pimldp->xBitmap;
1243 if (himl->hbmMask && !(fStyle & ILD_IMAGE))
1244 BitBlt (hImageDC, 0, 0, cx, cy, hMaskListDC, ptOvl.x, ptOvl.y, SRCAND);
1245 BitBlt (hImageDC, 0, 0, cx, cy, hImageListDC, ptOvl.x, ptOvl.y, SRCPAINT);
1249 if (fState & ILS_SATURATE) FIXME("ILS_SATURATE: unimplemented!\n");
1250 if (fState & ILS_GLOW) FIXME("ILS_GLOW: unimplemented!\n");
1251 if (fState & ILS_SHADOW) FIXME("ILS_SHADOW: unimplemented!\n");
1252 if (fState & ILS_ALPHA) FIXME("ILS_ALPHA: unimplemented!\n");
1254 if (fStyle & ILD_PRESERVEALPHA) FIXME("ILD_PRESERVEALPHA: unimplemented!\n");
1255 if (fStyle & ILD_SCALE) FIXME("ILD_SCALE: unimplemented!\n");
1256 if (fStyle & ILD_DPISCALE) FIXME("ILD_DPISCALE: unimplemented!\n");
1258 /* now copy the image to the screen */
1260 if (himl->hbmMask && bIsTransparent ) {
1261 COLORREF oldDstFg = SetTextColor(pimldp->hdcDst, RGB( 0, 0, 0 ) );
1262 COLORREF oldDstBk = SetBkColor(pimldp->hdcDst, RGB( 0xff, 0xff, 0xff ));
1263 BitBlt (pimldp->hdcDst, pimldp->x, pimldp->y, cx, cy, hMaskListDC, pt.x, pt.y, SRCAND);
1264 SetBkColor(pimldp->hdcDst, oldDstBk);
1265 SetTextColor(pimldp->hdcDst, oldDstFg);
1268 if (fStyle & ILD_ROP) dwRop = pimldp->dwRop;
1269 BitBlt (pimldp->hdcDst, pimldp->x, pimldp->y, cx, cy, hImageDC, 0, 0, dwRop);
1273 /* cleanup the mess */
1274 SetBkColor(hImageDC, oldImageBk);
1275 SetTextColor(hImageDC, oldImageFg);
1276 SelectObject(hImageDC, hOldImageBmp);
1278 DeleteObject(hBlendMaskBmp);
1279 DeleteObject(hImageBmp);
1286 /*************************************************************************
1287 * ImageList_Duplicate [COMCTL32.@]
1289 * Duplicates an image list.
1292 * himlSrc [I] source image list handle
1295 * Success: Handle of duplicated image list.
1300 ImageList_Duplicate (HIMAGELIST himlSrc)
1304 if (!is_valid(himlSrc)) {
1305 ERR("Invalid image list handle!\n");
1309 himlDst = ImageList_Create (himlSrc->cx, himlSrc->cy, himlSrc->flags,
1310 himlSrc->cInitial, himlSrc->cGrow);
1316 imagelist_get_bitmap_size(himlSrc, himlSrc->cCurImage, himlSrc->cx, &sz);
1317 BitBlt (himlDst->hdcImage, 0, 0, sz.cx, sz.cy,
1318 himlSrc->hdcImage, 0, 0, SRCCOPY);
1320 if (himlDst->hbmMask)
1321 BitBlt (himlDst->hdcMask, 0, 0, sz.cx, sz.cy,
1322 himlSrc->hdcMask, 0, 0, SRCCOPY);
1324 himlDst->cCurImage = himlSrc->cCurImage;
1325 himlDst->cMaxImage = himlSrc->cMaxImage;
1331 /*************************************************************************
1332 * ImageList_EndDrag [COMCTL32.@]
1334 * Finishes a drag operation.
1345 ImageList_EndDrag (void)
1347 /* cleanup the InternalDrag struct */
1348 InternalDrag.hwnd = 0;
1349 ImageList_Destroy (InternalDrag.himl);
1350 InternalDrag.himl = 0;
1353 InternalDrag.dxHotspot = 0;
1354 InternalDrag.dyHotspot = 0;
1355 InternalDrag.bShow = FALSE;
1356 DeleteObject(InternalDrag.hbmBg);
1357 InternalDrag.hbmBg = 0;
1361 /*************************************************************************
1362 * ImageList_GetBkColor [COMCTL32.@]
1364 * Returns the background color of an image list.
1367 * himl [I] Image list handle.
1370 * Success: background color
1375 ImageList_GetBkColor (HIMAGELIST himl)
1377 return himl ? himl->clrBk : CLR_NONE;
1381 /*************************************************************************
1382 * ImageList_GetDragImage [COMCTL32.@]
1384 * Returns the handle to the internal drag image list.
1387 * ppt [O] Pointer to the drag position. Can be NULL.
1388 * pptHotspot [O] Pointer to the position of the hot spot. Can be NULL.
1391 * Success: Handle of the drag image list.
1396 ImageList_GetDragImage (POINT *ppt, POINT *pptHotspot)
1398 if (is_valid(InternalDrag.himl)) {
1400 ppt->x = InternalDrag.x;
1401 ppt->y = InternalDrag.y;
1404 pptHotspot->x = InternalDrag.dxHotspot;
1405 pptHotspot->y = InternalDrag.dyHotspot;
1407 return (InternalDrag.himl);
1414 /*************************************************************************
1415 * ImageList_GetFlags [COMCTL32.@]
1417 * Gets the flags of the specified image list.
1420 * himl [I] Handle to image list
1430 ImageList_GetFlags(HIMAGELIST himl)
1432 TRACE("%p\n", himl);
1434 return is_valid(himl) ? himl->flags : 0;
1438 /*************************************************************************
1439 * ImageList_GetIcon [COMCTL32.@]
1441 * Creates an icon from a masked image of an image list.
1444 * himl [I] handle to image list
1446 * flags [I] drawing style flags
1449 * Success: icon handle
1454 ImageList_GetIcon (HIMAGELIST himl, INT i, UINT fStyle)
1458 HBITMAP hOldDstBitmap;
1462 TRACE("%p %d %d\n", himl, i, fStyle);
1463 if (!is_valid(himl) || (i < 0) || (i >= himl->cCurImage)) return NULL;
1469 /* create colour bitmap */
1471 ii.hbmColor = CreateCompatibleBitmap(hdcDst, himl->cx, himl->cy);
1472 ReleaseDC(0, hdcDst);
1474 hdcDst = CreateCompatibleDC(0);
1476 imagelist_point_from_index( himl, i, &pt );
1479 ii.hbmMask = CreateBitmap (himl->cx, himl->cy, 1, 1, NULL);
1480 hOldDstBitmap = SelectObject (hdcDst, ii.hbmMask);
1481 if (himl->hbmMask) {
1482 BitBlt (hdcDst, 0, 0, himl->cx, himl->cy,
1483 himl->hdcMask, pt.x, pt.y, SRCCOPY);
1486 PatBlt (hdcDst, 0, 0, himl->cx, himl->cy, BLACKNESS);
1489 SelectObject (hdcDst, ii.hbmColor);
1490 BitBlt (hdcDst, 0, 0, himl->cx, himl->cy,
1491 himl->hdcImage, pt.x, pt.y, SRCCOPY);
1494 * CreateIconIndirect requires us to deselect the bitmaps from
1495 * the DCs before calling
1497 SelectObject(hdcDst, hOldDstBitmap);
1499 hIcon = CreateIconIndirect (&ii);
1501 DeleteObject (ii.hbmMask);
1502 DeleteObject (ii.hbmColor);
1509 /*************************************************************************
1510 * ImageList_GetIconSize [COMCTL32.@]
1512 * Retrieves the size of an image in an image list.
1515 * himl [I] handle to image list
1516 * cx [O] pointer to the image width.
1517 * cy [O] pointer to the image height.
1524 * All images in an image list have the same size.
1528 ImageList_GetIconSize (HIMAGELIST himl, INT *cx, INT *cy)
1530 if (!is_valid(himl))
1532 if ((himl->cx <= 0) || (himl->cy <= 0))
1544 /*************************************************************************
1545 * ImageList_GetImageCount [COMCTL32.@]
1547 * Returns the number of images in an image list.
1550 * himl [I] handle to image list
1553 * Success: Number of images.
1558 ImageList_GetImageCount (HIMAGELIST himl)
1560 if (!is_valid(himl))
1563 return himl->cCurImage;
1567 /*************************************************************************
1568 * ImageList_GetImageInfo [COMCTL32.@]
1570 * Returns information about an image in an image list.
1573 * himl [I] handle to image list
1575 * pImageInfo [O] pointer to the image information
1583 ImageList_GetImageInfo (HIMAGELIST himl, INT i, IMAGEINFO *pImageInfo)
1587 if (!is_valid(himl) || (pImageInfo == NULL))
1589 if ((i < 0) || (i >= himl->cCurImage))
1592 pImageInfo->hbmImage = himl->hbmImage;
1593 pImageInfo->hbmMask = himl->hbmMask;
1595 imagelist_point_from_index( himl, i, &pt );
1596 pImageInfo->rcImage.top = pt.y;
1597 pImageInfo->rcImage.bottom = pt.y + himl->cy;
1598 pImageInfo->rcImage.left = pt.x;
1599 pImageInfo->rcImage.right = pt.x + himl->cx;
1605 /*************************************************************************
1606 * ImageList_GetImageRect [COMCTL32.@]
1608 * Retrieves the rectangle of the specified image in an image list.
1611 * himl [I] handle to image list
1613 * lpRect [O] pointer to the image rectangle
1620 * This is an UNDOCUMENTED function!!!
1624 ImageList_GetImageRect (HIMAGELIST himl, INT i, LPRECT lpRect)
1628 if (!is_valid(himl) || (lpRect == NULL))
1630 if ((i < 0) || (i >= himl->cCurImage))
1633 imagelist_point_from_index( himl, i, &pt );
1634 lpRect->left = pt.x;
1636 lpRect->right = pt.x + himl->cx;
1637 lpRect->bottom = pt.y + himl->cy;
1643 /*************************************************************************
1644 * ImageList_LoadImage [COMCTL32.@]
1645 * ImageList_LoadImageA [COMCTL32.@]
1647 * Creates an image list from a bitmap, icon or cursor.
1649 * See ImageList_LoadImageW.
1653 ImageList_LoadImageA (HINSTANCE hi, LPCSTR lpbmp, INT cx, INT cGrow,
1654 COLORREF clrMask, UINT uType, UINT uFlags)
1661 return ImageList_LoadImageW(hi, (LPCWSTR)lpbmp, cx, cGrow, clrMask,
1664 len = MultiByteToWideChar(CP_ACP, 0, lpbmp, -1, NULL, 0);
1665 lpbmpW = Alloc(len * sizeof(WCHAR));
1666 MultiByteToWideChar(CP_ACP, 0, lpbmp, -1, lpbmpW, len);
1668 himl = ImageList_LoadImageW(hi, lpbmpW, cx, cGrow, clrMask, uType, uFlags);
1674 /*************************************************************************
1675 * ImageList_LoadImageW [COMCTL32.@]
1677 * Creates an image list from a bitmap, icon or cursor.
1680 * hi [I] instance handle
1681 * lpbmp [I] name or id of the image
1682 * cx [I] width of each image
1683 * cGrow [I] number of images to expand
1684 * clrMask [I] mask color
1685 * uType [I] type of image to load
1686 * uFlags [I] loading flags
1689 * Success: handle to the loaded image list
1697 ImageList_LoadImageW (HINSTANCE hi, LPCWSTR lpbmp, INT cx, INT cGrow,
1698 COLORREF clrMask, UINT uType, UINT uFlags)
1700 HIMAGELIST himl = NULL;
1704 handle = LoadImageW (hi, lpbmp, uType, 0, 0, uFlags);
1706 WARN("Couldn't load image\n");
1710 if (uType == IMAGE_BITMAP) {
1712 GetObjectW (handle, sizeof(BITMAP), &bmp);
1714 /* To match windows behavior, if cx is set to zero and
1715 the flag DI_DEFAULTSIZE is specified, cx becomes the
1716 system metric value for icons. If the flag is not specified
1717 the function sets the size to the height of the bitmap */
1720 if (uFlags & DI_DEFAULTSIZE)
1721 cx = GetSystemMetrics (SM_CXICON);
1726 nImageCount = bmp.bmWidth / cx;
1728 himl = ImageList_Create (cx, bmp.bmHeight, ILC_MASK | ILC_COLOR,
1729 nImageCount, cGrow);
1731 DeleteObject (handle);
1734 ImageList_AddMasked (himl, handle, clrMask);
1736 else if ((uType == IMAGE_ICON) || (uType == IMAGE_CURSOR)) {
1740 GetIconInfo (handle, &ii);
1741 GetObjectW (ii.hbmColor, sizeof(BITMAP), &bmp);
1742 himl = ImageList_Create (bmp.bmWidth, bmp.bmHeight,
1743 ILC_MASK | ILC_COLOR, 1, cGrow);
1745 DeleteObject (ii.hbmColor);
1746 DeleteObject (ii.hbmMask);
1747 DeleteObject (handle);
1750 ImageList_Add (himl, ii.hbmColor, ii.hbmMask);
1751 DeleteObject (ii.hbmColor);
1752 DeleteObject (ii.hbmMask);
1755 DeleteObject (handle);
1761 /*************************************************************************
1762 * ImageList_Merge [COMCTL32.@]
1764 * Create an image list containing a merged image from two image lists.
1767 * himl1 [I] handle to first image list
1768 * i1 [I] first image index
1769 * himl2 [I] handle to second image list
1770 * i2 [I] second image index
1771 * dx [I] X offset of the second image relative to the first.
1772 * dy [I] Y offset of the second image relative to the first.
1775 * Success: The newly created image list. It contains a single image
1776 * consisting of the second image merged with the first.
1777 * Failure: NULL, if either himl1 or himl2 are invalid.
1780 * - The returned image list should be deleted by the caller using
1781 * ImageList_Destroy() when it is no longer required.
1782 * - If either i1 or i2 are not valid image indices they will be treated
1786 ImageList_Merge (HIMAGELIST himl1, INT i1, HIMAGELIST himl2, INT i2,
1789 HIMAGELIST himlDst = NULL;
1791 INT xOff1, yOff1, xOff2, yOff2;
1794 TRACE("(himl1=%p i1=%d himl2=%p i2=%d dx=%d dy=%d)\n", himl1, i1, himl2,
1797 if (!is_valid(himl1) || !is_valid(himl2))
1801 cxDst = max (himl1->cx, dx + himl2->cx);
1806 cxDst = max (himl2->cx, himl1->cx - dx);
1811 cxDst = max (himl1->cx, himl2->cx);
1817 cyDst = max (himl1->cy, dy + himl2->cy);
1822 cyDst = max (himl2->cy, himl1->cy - dy);
1827 cyDst = max (himl1->cy, himl2->cy);
1832 himlDst = ImageList_Create (cxDst, cyDst, ILC_MASK | ILC_COLOR, 1, 1);
1836 imagelist_point_from_index( himl1, i1, &pt1 );
1837 imagelist_point_from_index( himl1, i2, &pt2 );
1840 BitBlt (himlDst->hdcImage, 0, 0, cxDst, cyDst, himl1->hdcImage, 0, 0, BLACKNESS);
1841 if (i1 >= 0 && i1 < himl1->cCurImage)
1842 BitBlt (himlDst->hdcImage, xOff1, yOff1, himl1->cx, himl1->cy, himl1->hdcImage, pt1.x, pt1.y, SRCCOPY);
1843 if (i2 >= 0 && i2 < himl2->cCurImage)
1845 BitBlt (himlDst->hdcImage, xOff2, yOff2, himl2->cx, himl2->cy, himl2->hdcMask , pt2.x, pt2.y, SRCAND);
1846 BitBlt (himlDst->hdcImage, xOff2, yOff2, himl2->cx, himl2->cy, himl2->hdcImage, pt2.x, pt2.y, SRCPAINT);
1850 BitBlt (himlDst->hdcMask, 0, 0, cxDst, cyDst, himl1->hdcMask, 0, 0, WHITENESS);
1851 if (i1 >= 0 && i1 < himl1->cCurImage)
1852 BitBlt (himlDst->hdcMask, xOff1, yOff1, himl1->cx, himl1->cy, himl1->hdcMask, pt1.x, pt1.y, SRCCOPY);
1853 if (i2 >= 0 && i2 < himl2->cCurImage)
1854 BitBlt (himlDst->hdcMask, xOff2, yOff2, himl2->cx, himl2->cy, himl2->hdcMask, pt2.x, pt2.y, SRCAND);
1856 himlDst->cCurImage = 1;
1863 /***********************************************************************
1864 * DIB_GetDIBWidthBytes
1866 * Return the width of a DIB bitmap in bytes. DIB bitmap data is 32-bit aligned.
1868 static int DIB_GetDIBWidthBytes( int width, int depth )
1874 case 1: words = (width + 31) / 32; break;
1875 case 4: words = (width + 7) / 8; break;
1876 case 8: words = (width + 3) / 4; break;
1878 case 16: words = (width + 1) / 2; break;
1879 case 24: words = (width * 3 + 3)/4; break;
1882 WARN("(%d): Unsupported depth\n", depth );
1891 /***********************************************************************
1892 * DIB_GetDIBImageBytes
1894 * Return the number of bytes used to hold the image in a DIB bitmap.
1896 static int DIB_GetDIBImageBytes( int width, int height, int depth )
1898 return DIB_GetDIBWidthBytes( width, depth ) * abs( height );
1902 /* helper for ImageList_Read, see comments below */
1903 static BOOL _read_bitmap(HDC hdcIml, LPSTREAM pstm)
1905 BITMAPFILEHEADER bmfh;
1906 int bitsperpixel, palspace;
1907 char bmi_buf[sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256];
1908 LPBITMAPINFO bmi = (LPBITMAPINFO)bmi_buf;
1912 if (FAILED(IStream_Read ( pstm, &bmfh, sizeof(bmfh), NULL)))
1915 if (bmfh.bfType != (('M'<<8)|'B'))
1918 if (FAILED(IStream_Read ( pstm, &bmi->bmiHeader, sizeof(bmi->bmiHeader), NULL)))
1921 if ((bmi->bmiHeader.biSize != sizeof(bmi->bmiHeader)))
1924 TRACE("width %u, height %u, planes %u, bpp %u\n",
1925 bmi->bmiHeader.biWidth, bmi->bmiHeader.biHeight,
1926 bmi->bmiHeader.biPlanes, bmi->bmiHeader.biBitCount);
1928 bitsperpixel = bmi->bmiHeader.biPlanes * bmi->bmiHeader.biBitCount;
1929 if (bitsperpixel<=8)
1930 palspace = (1<<bitsperpixel)*sizeof(RGBQUAD);
1934 bmi->bmiHeader.biSizeImage = DIB_GetDIBImageBytes(bmi->bmiHeader.biWidth, bmi->bmiHeader.biHeight, bitsperpixel);
1936 /* read the palette right after the end of the bitmapinfoheader */
1937 if (palspace && FAILED(IStream_Read(pstm, bmi->bmiColors, palspace, NULL)))
1940 bits = Alloc(bmi->bmiHeader.biSizeImage);
1943 if (FAILED(IStream_Read(pstm, bits, bmi->bmiHeader.biSizeImage, NULL)))
1946 if (!StretchDIBits(hdcIml, 0, 0, bmi->bmiHeader.biWidth, bmi->bmiHeader.biHeight,
1947 0, 0, bmi->bmiHeader.biWidth, bmi->bmiHeader.biHeight,
1948 bits, bmi, DIB_RGB_COLORS, SRCCOPY))
1957 /*************************************************************************
1958 * ImageList_Read [COMCTL32.@]
1960 * Reads an image list from a stream.
1963 * pstm [I] pointer to a stream
1966 * Success: handle to image list
1969 * The format is like this:
1970 * ILHEAD ilheadstruct;
1972 * for the color image part:
1973 * BITMAPFILEHEADER bmfh;
1974 * BITMAPINFOHEADER bmih;
1975 * only if it has a palette:
1976 * RGBQUAD rgbs[nr_of_paletted_colors];
1978 * BYTE colorbits[imagesize];
1980 * the following only if the ILC_MASK bit is set in ILHEAD.ilFlags:
1981 * BITMAPFILEHEADER bmfh_mask;
1982 * BITMAPINFOHEADER bmih_mask;
1983 * only if it has a palette (it usually does not):
1984 * RGBQUAD rgbs[nr_of_paletted_colors];
1986 * BYTE maskbits[imagesize];
1988 HIMAGELIST WINAPI ImageList_Read (LPSTREAM pstm)
1994 TRACE("%p\n", pstm);
1996 if (FAILED(IStream_Read (pstm, &ilHead, sizeof(ILHEAD), NULL)))
1998 if (ilHead.usMagic != (('L' << 8) | 'I'))
2000 if (ilHead.usVersion != 0x101) /* probably version? */
2003 TRACE("cx %u, cy %u, flags 0x%04x, cCurImage %u, cMaxImage %u\n",
2004 ilHead.cx, ilHead.cy, ilHead.flags, ilHead.cCurImage, ilHead.cMaxImage);
2006 himl = ImageList_Create(ilHead.cx, ilHead.cy, ilHead.flags, ilHead.cCurImage, ilHead.cMaxImage);
2010 if (!_read_bitmap(himl->hdcImage, pstm))
2012 WARN("failed to read bitmap from stream\n");
2015 if (ilHead.flags & ILC_MASK)
2017 if (!_read_bitmap(himl->hdcMask, pstm))
2019 WARN("failed to read mask bitmap from stream\n");
2024 himl->cCurImage = ilHead.cCurImage;
2025 himl->cMaxImage = ilHead.cMaxImage;
2027 ImageList_SetBkColor(himl,ilHead.bkcolor);
2029 ImageList_SetOverlayImage(himl,ilHead.ovls[i],i+1);
2034 /*************************************************************************
2035 * ImageList_Remove [COMCTL32.@]
2037 * Removes an image from an image list
2040 * himl [I] image list handle
2047 * FIXME: as the image list storage test shows, native comctl32 simply shifts
2048 * images without creating a new bitmap.
2051 ImageList_Remove (HIMAGELIST himl, INT i)
2053 HBITMAP hbmNewImage, hbmNewMask;
2057 TRACE("(himl=%p i=%d)\n", himl, i);
2059 if (!is_valid(himl)) {
2060 ERR("Invalid image list handle!\n");
2064 if ((i < -1) || (i >= himl->cCurImage)) {
2065 TRACE("index out of range! %d\n", i);
2073 if (himl->cCurImage == 0) {
2074 /* remove all on empty ImageList is allowed */
2075 TRACE("remove all on empty ImageList!\n");
2079 himl->cMaxImage = himl->cInitial + himl->cGrow - 1;
2080 himl->cCurImage = 0;
2081 for (nCount = 0; nCount < MAX_OVERLAYIMAGE; nCount++)
2082 himl->nOvlIdx[nCount] = -1;
2084 hbmNewImage = ImageList_CreateImage(himl->hdcImage, himl, himl->cMaxImage, himl->cx);
2085 SelectObject (himl->hdcImage, hbmNewImage);
2086 DeleteObject (himl->hbmImage);
2087 himl->hbmImage = hbmNewImage;
2089 if (himl->hbmMask) {
2091 imagelist_get_bitmap_size(himl, himl->cMaxImage, himl->cx, &sz);
2092 hbmNewMask = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
2093 SelectObject (himl->hdcMask, hbmNewMask);
2094 DeleteObject (himl->hbmMask);
2095 himl->hbmMask = hbmNewMask;
2099 /* delete one image */
2100 TRACE("Remove single image! %d\n", i);
2102 /* create new bitmap(s) */
2103 TRACE(" - Number of images: %d / %d (Old/New)\n",
2104 himl->cCurImage, himl->cCurImage - 1);
2106 hbmNewImage = ImageList_CreateImage(himl->hdcImage, himl, himl->cMaxImage, himl->cx);
2108 imagelist_get_bitmap_size(himl, himl->cMaxImage, himl->cx, &sz );
2110 hbmNewMask = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
2112 hbmNewMask = 0; /* Just to keep compiler happy! */
2114 hdcBmp = CreateCompatibleDC (0);
2116 /* copy all images and masks prior to the "removed" image */
2118 TRACE("Pre image copy: Copy %d images\n", i);
2120 SelectObject (hdcBmp, hbmNewImage);
2121 imagelist_copy_images( himl, himl->hdcImage, hdcBmp, 0, i, 0 );
2123 if (himl->hbmMask) {
2124 SelectObject (hdcBmp, hbmNewMask);
2125 imagelist_copy_images( himl, himl->hdcMask, hdcBmp, 0, i, 0 );
2129 /* copy all images and masks behind the removed image */
2130 if (i < himl->cCurImage - 1) {
2131 TRACE("Post image copy!\n");
2133 SelectObject (hdcBmp, hbmNewImage);
2134 imagelist_copy_images( himl, himl->hdcImage, hdcBmp, i + 1,
2135 (himl->cCurImage - i), i );
2137 if (himl->hbmMask) {
2138 SelectObject (hdcBmp, hbmNewMask);
2139 imagelist_copy_images( himl, himl->hdcMask, hdcBmp, i + 1,
2140 (himl->cCurImage - i), i );
2146 /* delete old images and insert new ones */
2147 SelectObject (himl->hdcImage, hbmNewImage);
2148 DeleteObject (himl->hbmImage);
2149 himl->hbmImage = hbmNewImage;
2150 if (himl->hbmMask) {
2151 SelectObject (himl->hdcMask, hbmNewMask);
2152 DeleteObject (himl->hbmMask);
2153 himl->hbmMask = hbmNewMask;
2163 /*************************************************************************
2164 * ImageList_Replace [COMCTL32.@]
2166 * Replaces an image in an image list with a new image.
2169 * himl [I] handle to image list
2171 * hbmImage [I] handle to image bitmap
2172 * hbmMask [I] handle to mask bitmap. Can be NULL.
2180 ImageList_Replace (HIMAGELIST himl, INT i, HBITMAP hbmImage,
2188 TRACE("%p %d %p %p\n", himl, i, hbmImage, hbmMask);
2190 if (!is_valid(himl)) {
2191 ERR("Invalid image list handle!\n");
2195 if ((i >= himl->cMaxImage) || (i < 0)) {
2196 ERR("Invalid image index!\n");
2200 if (!GetObjectW(hbmImage, sizeof(BITMAP), &bmp))
2203 hdcImage = CreateCompatibleDC (0);
2206 hOldBitmap = SelectObject (hdcImage, hbmImage);
2208 imagelist_point_from_index(himl, i, &pt);
2209 StretchBlt (himl->hdcImage, pt.x, pt.y, himl->cx, himl->cy,
2210 hdcImage, 0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY);
2215 HBITMAP hOldBitmapTemp;
2217 hdcTemp = CreateCompatibleDC(0);
2218 hOldBitmapTemp = SelectObject(hdcTemp, hbmMask);
2220 StretchBlt (himl->hdcMask, pt.x, pt.y, himl->cx, himl->cy,
2221 hdcTemp, 0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY);
2222 SelectObject(hdcTemp, hOldBitmapTemp);
2225 /* Remove the background from the image
2227 BitBlt (himl->hdcImage, pt.x, pt.y, bmp.bmWidth, bmp.bmHeight,
2228 himl->hdcMask, pt.x, pt.y, 0x220326); /* NOTSRCAND */
2231 SelectObject (hdcImage, hOldBitmap);
2232 DeleteDC (hdcImage);
2238 /*************************************************************************
2239 * ImageList_ReplaceIcon [COMCTL32.@]
2241 * Replaces an image in an image list using an icon.
2244 * himl [I] handle to image list
2246 * hIcon [I] handle to icon
2249 * Success: index of the replaced image
2254 ImageList_ReplaceIcon (HIMAGELIST himl, INT nIndex, HICON hIcon)
2264 TRACE("(%p %d %p)\n", himl, nIndex, hIcon);
2266 if (!is_valid(himl)) {
2267 ERR("invalid image list\n");
2270 if ((nIndex >= himl->cMaxImage) || (nIndex < -1)) {
2271 ERR("invalid image index %d / %d\n", nIndex, himl->cMaxImage);
2275 hBestFitIcon = CopyImage(
2278 LR_COPYFROMRESOURCE);
2279 /* the above will fail if the icon wasn't loaded from a resource, so try
2280 * again without LR_COPYFROMRESOURCE flag */
2282 hBestFitIcon = CopyImage(
2289 ret = GetIconInfo (hBestFitIcon, &ii);
2291 DestroyIcon(hBestFitIcon);
2295 ret = GetObjectW (ii.hbmMask, sizeof(BITMAP), &bmp);
2297 ERR("couldn't get mask bitmap info\n");
2299 DeleteObject (ii.hbmColor);
2301 DeleteObject (ii.hbmMask);
2302 DestroyIcon(hBestFitIcon);
2307 if (himl->cCurImage + 1 > himl->cMaxImage)
2308 IMAGELIST_InternalExpandBitmaps (himl, 1, 0, 0);
2310 nIndex = himl->cCurImage;
2314 hdcImage = CreateCompatibleDC (0);
2315 TRACE("hdcImage=%p\n", hdcImage);
2317 ERR("invalid hdcImage!\n");
2319 imagelist_point_from_index(himl, nIndex, &pt);
2321 SetTextColor(himl->hdcImage, RGB(0,0,0));
2322 SetBkColor (himl->hdcImage, RGB(255,255,255));
2326 hbmOldSrc = SelectObject (hdcImage, ii.hbmColor);
2327 StretchBlt (himl->hdcImage, pt.x, pt.y, himl->cx, himl->cy,
2328 hdcImage, 0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY);
2331 SelectObject (hdcImage, ii.hbmMask);
2332 StretchBlt (himl->hdcMask, pt.x, pt.y, himl->cx, himl->cy,
2333 hdcImage, 0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY);
2338 UINT height = bmp.bmHeight / 2;
2339 hbmOldSrc = SelectObject (hdcImage, ii.hbmMask);
2340 StretchBlt (himl->hdcImage, pt.x, pt.y, himl->cx, himl->cy,
2341 hdcImage, 0, height, bmp.bmWidth, height, SRCCOPY);
2343 StretchBlt (himl->hdcMask, pt.x, pt.y, himl->cx, himl->cy,
2344 hdcImage, 0, 0, bmp.bmWidth, height, SRCCOPY);
2347 SelectObject (hdcImage, hbmOldSrc);
2349 DestroyIcon(hBestFitIcon);
2351 DeleteDC (hdcImage);
2353 DeleteObject (ii.hbmColor);
2355 DeleteObject (ii.hbmMask);
2357 TRACE("Insert index = %d, himl->cCurImage = %d\n", nIndex, himl->cCurImage);
2362 /*************************************************************************
2363 * ImageList_SetBkColor [COMCTL32.@]
2365 * Sets the background color of an image list.
2368 * himl [I] handle to image list
2369 * clrBk [I] background color
2372 * Success: previous background color
2377 ImageList_SetBkColor (HIMAGELIST himl, COLORREF clrBk)
2381 if (!is_valid(himl))
2384 clrOldBk = himl->clrBk;
2385 himl->clrBk = clrBk;
2390 /*************************************************************************
2391 * ImageList_SetDragCursorImage [COMCTL32.@]
2393 * Combines the specified image with the current drag image
2396 * himlDrag [I] handle to drag image list
2397 * iDrag [I] drag image index
2398 * dxHotspot [I] X position of the hot spot
2399 * dyHotspot [I] Y position of the hot spot
2406 * - The names dxHotspot, dyHotspot are misleading because they have nothing
2407 * to do with a hotspot but are only the offset of the origin of the new
2408 * image relative to the origin of the old image.
2410 * - When this function is called and the drag image is visible, a
2411 * short flickering occurs but this matches the Win9x behavior. It is
2412 * possible to fix the flickering using code like in ImageList_DragMove.
2416 ImageList_SetDragCursorImage (HIMAGELIST himlDrag, INT iDrag,
2417 INT dxHotspot, INT dyHotspot)
2419 HIMAGELIST himlTemp;
2422 if (!is_valid(InternalDrag.himl) || !is_valid(himlDrag))
2425 TRACE(" dxH=%d dyH=%d nX=%d nY=%d\n",
2426 dxHotspot, dyHotspot, InternalDrag.dxHotspot, InternalDrag.dyHotspot);
2428 visible = InternalDrag.bShow;
2430 himlTemp = ImageList_Merge (InternalDrag.himl, 0, himlDrag, iDrag,
2431 dxHotspot, dyHotspot);
2434 /* hide the drag image */
2435 ImageList_DragShowNolock(FALSE);
2437 if ((InternalDrag.himl->cx != himlTemp->cx) ||
2438 (InternalDrag.himl->cy != himlTemp->cy)) {
2439 /* the size of the drag image changed, invalidate the buffer */
2440 DeleteObject(InternalDrag.hbmBg);
2441 InternalDrag.hbmBg = 0;
2444 ImageList_Destroy (InternalDrag.himl);
2445 InternalDrag.himl = himlTemp;
2448 /* show the drag image */
2449 ImageList_DragShowNolock(TRUE);
2456 /*************************************************************************
2457 * ImageList_SetFilter [COMCTL32.@]
2459 * Sets a filter (or does something completely different)!!???
2460 * It removes 12 Bytes from the stack (3 Parameters).
2463 * himl [I] SHOULD be a handle to image list
2464 * i [I] COULD be an index?
2469 * Failure: FALSE ???
2472 * This is an UNDOCUMENTED function!!!!
2477 ImageList_SetFilter (HIMAGELIST himl, INT i, DWORD dwFilter)
2479 FIXME("(%p 0x%x 0x%x):empty stub!\n", himl, i, dwFilter);
2485 /*************************************************************************
2486 * ImageList_SetFlags [COMCTL32.@]
2488 * Sets the image list flags.
2491 * himl [I] Handle to image list
2492 * flags [I] Flags to set
2502 ImageList_SetFlags(HIMAGELIST himl, DWORD flags)
2504 FIXME("(%p %08x):empty stub\n", himl, flags);
2509 /*************************************************************************
2510 * ImageList_SetIconSize [COMCTL32.@]
2512 * Sets the image size of the bitmap and deletes all images.
2515 * himl [I] handle to image list
2516 * cx [I] image width
2517 * cy [I] image height
2525 ImageList_SetIconSize (HIMAGELIST himl, INT cx, INT cy)
2530 if (!is_valid(himl))
2533 /* remove all images */
2534 himl->cMaxImage = himl->cInitial + 1;
2535 himl->cCurImage = 0;
2539 /* initialize overlay mask indices */
2540 for (nCount = 0; nCount < MAX_OVERLAYIMAGE; nCount++)
2541 himl->nOvlIdx[nCount] = -1;
2543 hbmNew = ImageList_CreateImage(himl->hdcImage, himl, himl->cMaxImage, himl->cx);
2544 SelectObject (himl->hdcImage, hbmNew);
2545 DeleteObject (himl->hbmImage);
2546 himl->hbmImage = hbmNew;
2548 if (himl->hbmMask) {
2550 imagelist_get_bitmap_size(himl, himl->cMaxImage, himl->cx, &sz);
2551 hbmNew = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
2552 SelectObject (himl->hdcMask, hbmNew);
2553 DeleteObject (himl->hbmMask);
2554 himl->hbmMask = hbmNew;
2561 /*************************************************************************
2562 * ImageList_SetImageCount [COMCTL32.@]
2564 * Resizes an image list to the specified number of images.
2567 * himl [I] handle to image list
2568 * iImageCount [I] number of images in the image list
2576 ImageList_SetImageCount (HIMAGELIST himl, UINT iImageCount)
2579 HBITMAP hbmNewBitmap, hbmOld;
2580 INT nNewCount, nCopyCount;
2582 TRACE("%p %d\n",himl,iImageCount);
2584 if (!is_valid(himl))
2586 if (himl->cMaxImage > iImageCount)
2588 himl->cCurImage = iImageCount;
2589 /* TODO: shrink the bitmap when cMaxImage-cCurImage>cGrow ? */
2593 nNewCount = iImageCount + himl->cGrow;
2594 nCopyCount = min(himl->cCurImage, iImageCount);
2596 hdcBitmap = CreateCompatibleDC (0);
2598 hbmNewBitmap = ImageList_CreateImage(hdcBitmap, himl, nNewCount, himl->cx);
2600 if (hbmNewBitmap != 0)
2602 hbmOld = SelectObject (hdcBitmap, hbmNewBitmap);
2603 imagelist_copy_images( himl, himl->hdcImage, hdcBitmap, 0, nCopyCount, 0 );
2604 SelectObject (hdcBitmap, hbmOld);
2606 /* FIXME: delete 'empty' image space? */
2608 SelectObject (himl->hdcImage, hbmNewBitmap);
2609 DeleteObject (himl->hbmImage);
2610 himl->hbmImage = hbmNewBitmap;
2613 ERR("Could not create new image bitmap !\n");
2618 imagelist_get_bitmap_size( himl, nNewCount, himl->cx, &sz );
2619 hbmNewBitmap = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
2620 if (hbmNewBitmap != 0)
2622 hbmOld = SelectObject (hdcBitmap, hbmNewBitmap);
2623 imagelist_copy_images( himl, himl->hdcMask, hdcBitmap, 0, nCopyCount, 0 );
2624 SelectObject (hdcBitmap, hbmOld);
2626 /* FIXME: delete 'empty' image space? */
2628 SelectObject (himl->hdcMask, hbmNewBitmap);
2629 DeleteObject (himl->hbmMask);
2630 himl->hbmMask = hbmNewBitmap;
2633 ERR("Could not create new mask bitmap!\n");
2636 DeleteDC (hdcBitmap);
2638 /* Update max image count and current image count */
2639 himl->cMaxImage = nNewCount;
2640 himl->cCurImage = iImageCount;
2646 /*************************************************************************
2647 * ImageList_SetOverlayImage [COMCTL32.@]
2649 * Assigns an overlay mask index to an existing image in an image list.
2652 * himl [I] handle to image list
2653 * iImage [I] image index
2654 * iOverlay [I] overlay mask index
2662 ImageList_SetOverlayImage (HIMAGELIST himl, INT iImage, INT iOverlay)
2664 if (!is_valid(himl))
2666 if ((iOverlay < 1) || (iOverlay > MAX_OVERLAYIMAGE))
2668 if ((iImage!=-1) && ((iImage < 0) || (iImage > himl->cCurImage)))
2670 himl->nOvlIdx[iOverlay - 1] = iImage;
2676 /* helper for ImageList_Write - write bitmap to pstm
2677 * currently everything is written as 24 bit RGB, except masks
2680 _write_bitmap(HBITMAP hBitmap, LPSTREAM pstm)
2682 LPBITMAPFILEHEADER bmfh;
2683 LPBITMAPINFOHEADER bmih;
2684 LPBYTE data = NULL, lpBits;
2686 INT bitCount, sizeImage, offBits, totalSize;
2688 BOOL result = FALSE;
2690 if (!GetObjectW(hBitmap, sizeof(BITMAP), &bm))
2693 bitCount = bm.bmBitsPixel == 1 ? 1 : 24;
2694 sizeImage = DIB_GetDIBImageBytes(bm.bmWidth, bm.bmHeight, bitCount);
2696 totalSize = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER);
2698 totalSize += (1 << bitCount) * sizeof(RGBQUAD);
2699 offBits = totalSize;
2700 totalSize += sizeImage;
2702 data = Alloc(totalSize);
2703 bmfh = (LPBITMAPFILEHEADER)data;
2704 bmih = (LPBITMAPINFOHEADER)(data + sizeof(BITMAPFILEHEADER));
2705 lpBits = data + offBits;
2707 /* setup BITMAPFILEHEADER */
2708 bmfh->bfType = (('M' << 8) | 'B');
2709 bmfh->bfSize = offBits;
2710 bmfh->bfReserved1 = 0;
2711 bmfh->bfReserved2 = 0;
2712 bmfh->bfOffBits = offBits;
2714 /* setup BITMAPINFOHEADER */
2715 bmih->biSize = sizeof(BITMAPINFOHEADER);
2716 bmih->biWidth = bm.bmWidth;
2717 bmih->biHeight = bm.bmHeight;
2719 bmih->biBitCount = bitCount;
2720 bmih->biCompression = BI_RGB;
2721 bmih->biSizeImage = sizeImage;
2722 bmih->biXPelsPerMeter = 0;
2723 bmih->biYPelsPerMeter = 0;
2724 bmih->biClrUsed = 0;
2725 bmih->biClrImportant = 0;
2728 result = GetDIBits(xdc, hBitmap, 0, bm.bmHeight, lpBits, (BITMAPINFO *)bmih, DIB_RGB_COLORS) == bm.bmHeight;
2733 TRACE("width %u, height %u, planes %u, bpp %u\n",
2734 bmih->biWidth, bmih->biHeight,
2735 bmih->biPlanes, bmih->biBitCount);
2739 LPBITMAPINFO inf = (LPBITMAPINFO)bmih;
2740 inf->bmiColors[0].rgbRed = inf->bmiColors[0].rgbGreen = inf->bmiColors[0].rgbBlue = 0;
2741 inf->bmiColors[1].rgbRed = inf->bmiColors[1].rgbGreen = inf->bmiColors[1].rgbBlue = 0xff;
2744 if(FAILED(IStream_Write(pstm, data, totalSize, NULL)))
2756 /*************************************************************************
2757 * ImageList_Write [COMCTL32.@]
2759 * Writes an image list to a stream.
2762 * himl [I] handle to image list
2763 * pstm [O] Pointer to a stream.
2774 ImageList_Write (HIMAGELIST himl, LPSTREAM pstm)
2779 TRACE("%p %p\n", himl, pstm);
2781 if (!is_valid(himl))
2784 ilHead.usMagic = (('L' << 8) | 'I');
2785 ilHead.usVersion = 0x101;
2786 ilHead.cCurImage = himl->cCurImage;
2787 ilHead.cMaxImage = himl->cMaxImage;
2788 ilHead.cGrow = himl->cGrow;
2789 ilHead.cx = himl->cx;
2790 ilHead.cy = himl->cy;
2791 ilHead.bkcolor = himl->clrBk;
2792 ilHead.flags = himl->flags;
2793 for(i = 0; i < 4; i++) {
2794 ilHead.ovls[i] = himl->nOvlIdx[i];
2797 TRACE("cx %u, cy %u, flags 0x04%x, cCurImage %u, cMaxImage %u\n",
2798 ilHead.cx, ilHead.cy, ilHead.flags, ilHead.cCurImage, ilHead.cMaxImage);
2800 if(FAILED(IStream_Write(pstm, &ilHead, sizeof(ILHEAD), NULL)))
2803 /* write the bitmap */
2804 if(!_write_bitmap(himl->hbmImage, pstm))
2807 /* write the mask if we have one */
2808 if(himl->flags & ILC_MASK) {
2809 if(!_write_bitmap(himl->hbmMask, pstm))
2817 static HBITMAP ImageList_CreateImage(HDC hdc, HIMAGELIST himl, UINT count, UINT width)
2819 HBITMAP hbmNewBitmap;
2820 UINT ilc = (himl->flags & 0xFE);
2823 imagelist_get_bitmap_size( himl, count, width, &sz );
2825 if ((ilc >= ILC_COLOR4 && ilc <= ILC_COLOR32) || ilc == ILC_COLOR)
2830 TRACE("Creating DIBSection %d x %d, %d Bits per Pixel\n",
2831 sz.cx, sz.cy, himl->uBitsPixel);
2833 if (himl->uBitsPixel <= ILC_COLOR8)
2839 colors = 1 << himl->uBitsPixel;
2840 bmi = Alloc(sizeof(BITMAPINFOHEADER) +
2841 sizeof(PALETTEENTRY) * colors);
2843 pal = (LPPALETTEENTRY)bmi->bmiColors;
2844 GetPaletteEntries(GetStockObject(DEFAULT_PALETTE), 0, colors, pal);
2846 /* Swap colors returned by GetPaletteEntries so we can use them for
2847 * CreateDIBSection call. */
2848 for (i = 0; i < colors; i++)
2850 temp = pal[i].peBlue;
2851 bmi->bmiColors[i].rgbRed = pal[i].peRed;
2852 bmi->bmiColors[i].rgbBlue = temp;
2857 bmi = Alloc(sizeof(BITMAPINFOHEADER));
2860 bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
2861 bmi->bmiHeader.biWidth = sz.cx;
2862 bmi->bmiHeader.biHeight = sz.cy;
2863 bmi->bmiHeader.biPlanes = 1;
2864 bmi->bmiHeader.biBitCount = himl->uBitsPixel;
2865 bmi->bmiHeader.biCompression = BI_RGB;
2866 bmi->bmiHeader.biSizeImage = 0;
2867 bmi->bmiHeader.biXPelsPerMeter = 0;
2868 bmi->bmiHeader.biYPelsPerMeter = 0;
2869 bmi->bmiHeader.biClrUsed = 0;
2870 bmi->bmiHeader.biClrImportant = 0;
2872 hbmNewBitmap = CreateDIBSection(hdc, bmi, DIB_RGB_COLORS, &bits, 0, 0);
2876 else /*if (ilc == ILC_COLORDDB)*/
2878 TRACE("Creating Bitmap: %d Bits per Pixel\n", himl->uBitsPixel);
2880 hbmNewBitmap = CreateBitmap (sz.cx, sz.cy, 1, himl->uBitsPixel, NULL);
2882 TRACE("returning %p\n", hbmNewBitmap);
2883 return hbmNewBitmap;
2886 /*************************************************************************
2887 * ImageList_SetColorTable [COMCTL32.@]
2889 * Sets the color table of an image list.
2892 * himl [I] Handle to the image list.
2893 * uStartIndex [I] The first index to set.
2894 * cEntries [I] Number of entries to set.
2895 * prgb [I] New color information for color table for the image list.
2898 * Success: Number of entries in the table that were set.
2902 * ImageList_Create(), SetDIBColorTable()
2906 ImageList_SetColorTable (HIMAGELIST himl, UINT uStartIndex, UINT cEntries, CONST RGBQUAD * prgb)
2908 return SetDIBColorTable(himl->hdcImage, uStartIndex, cEntries, prgb);
2911 /*************************************************************************
2912 * ImageList_CoCreateInstance [COMCTL32.@]
2914 * Creates a new imagelist instance and returns an interface pointer to it.
2917 * rclsid [I] A reference to the CLSID (CLSID_ImageList).
2918 * punkOuter [I] Pointer to IUnknown interface for aggregation, if desired
2919 * riid [I] Identifier of the requested interface.
2920 * ppv [O] Returns the address of the pointer requested, or NULL.
2924 * Failure: Error value.
2927 ImageList_CoCreateInstance (REFCLSID rclsid, const IUnknown *punkOuter, REFIID riid, void **ppv)
2929 FIXME("STUB: %s %p %s %p\n", debugstr_guid(rclsid), punkOuter, debugstr_guid(riid), ppv);
2930 return E_NOINTERFACE;
2933 /*************************************************************************
2934 * HIMAGELIST_QueryInterface [COMCTL32.@]
2936 * Returns a pointer to an IImageList or IImageList2 object for the given
2940 * himl [I] Image list handle.
2941 * riid [I] Identifier of the requested interface.
2942 * ppv [O] Returns the address of the pointer requested, or NULL.
2946 * Failure: Error value.
2949 HIMAGELIST_QueryInterface (HIMAGELIST himl, REFIID riid, void **ppv)
2951 FIXME("STUB: %p %s %p\n", himl, debugstr_guid(riid), ppv);
2952 return E_NOINTERFACE;