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msvcirt: Add implementation of streambuf::sputbackc.
[wine.git] / dlls / comctl32 / imagelist.c
blobc915472e17896ab9a9b1466c3778ec96917ec61a
1 /*
2 * ImageList implementation
3 *
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
10 *
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.
15 *
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.
20 *
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
24 *
25 * NOTE
26 *
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.
29 *
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.
33 *
34 * TODO:
35 * - Add support for ILD_PRESERVEALPHA, ILD_SCALE, ILD_DPISCALE
36 * - Add support for ILS_GLOW, ILS_SHADOW, ILS_SATURATE
37 * - Thread-safe locking
38 */
39
40 #include <stdarg.h>
41 #include <stdlib.h>
42 #include <string.h>
43
44 #define COBJMACROS
45
46 #include "winerror.h"
47 #include "windef.h"
48 #include "winbase.h"
49 #include "objbase.h"
50 #include "wingdi.h"
51 #include "winuser.h"
52 #include "commctrl.h"
53 #include "comctl32.h"
54 #include "commoncontrols.h"
55 #include "wine/debug.h"
56 #include "wine/exception.h"
57
58 WINE_DEFAULT_DEBUG_CHANNEL(imagelist);
59
60 #define MAX_OVERLAYIMAGE 15
61
62 struct _IMAGELIST
63 {
64 IImageList2 IImageList2_iface; /* 00: IImageList vtable */
65 INT cCurImage; /* 04: ImageCount */
66 INT cMaxImage; /* 08: maximages */
67 INT cGrow; /* 0C: cGrow */
68 INT cx; /* 10: cx */
69 INT cy; /* 14: cy */
70 DWORD x4;
71 UINT flags; /* 1C: flags */
72 COLORREF clrFg; /* 20: foreground color */
73 COLORREF clrBk; /* 24: background color */
74
75
76 HBITMAP hbmImage; /* 28: images Bitmap */
77 HBITMAP hbmMask; /* 2C: masks Bitmap */
78 HDC hdcImage; /* 30: images MemDC */
79 HDC hdcMask; /* 34: masks MemDC */
80 INT nOvlIdx[MAX_OVERLAYIMAGE]; /* 38: overlay images index */
81
82 /* not yet found out */
83 HBRUSH hbrBlend25;
84 HBRUSH hbrBlend50;
85 INT cInitial;
86 UINT uBitsPixel;
87 char *has_alpha;
88
89 LONG ref; /* reference count */
90 };
91
92 #define IMAGELIST_MAGIC 0x53414D58
93
94 /* Header used by ImageList_Read() and ImageList_Write() */
95 #include "pshpack2.h"
96 typedef struct _ILHEAD
97 {
98 USHORT usMagic;
99 USHORT usVersion;
100 WORD cCurImage;
101 WORD cMaxImage;
102 WORD cGrow;
103 WORD cx;
104 WORD cy;
105 COLORREF bkcolor;
106 WORD flags;
107 SHORT ovls[4];
108 } ILHEAD;
109 #include "poppack.h"
110
111 /* internal image list data used for Drag & Drop operations */
112 typedef struct
113 {
114 HWND hwnd;
115 HIMAGELIST himl;
116 HIMAGELIST himlNoCursor;
117 /* position of the drag image relative to the window */
118 INT x;
119 INT y;
120 /* offset of the hotspot relative to the origin of the image */
121 INT dxHotspot;
122 INT dyHotspot;
123 /* is the drag image visible */
124 BOOL bShow;
125 /* saved background */
126 HBITMAP hbmBg;
127 } INTERNALDRAG;
128
129 static INTERNALDRAG InternalDrag = { 0, 0, 0, 0, 0, 0, 0, FALSE, 0 };
130
131 static inline HIMAGELIST impl_from_IImageList2(IImageList2 *iface)
132 {
133 return CONTAINING_RECORD(iface, struct _IMAGELIST, IImageList2_iface);
134 }
135
136 static HBITMAP ImageList_CreateImage(HDC hdc, HIMAGELIST himl, UINT count);
137 static HRESULT ImageListImpl_CreateInstance(const IUnknown *pUnkOuter, REFIID iid, void** ppv);
138 static BOOL is_valid(HIMAGELIST himl);
139
140 /*
141 * An imagelist with N images is tiled like this:
142 *
143 * N/4 ->
144 *
145 * 4 048C..
146 * 159D..
147 * | 26AE.N
148 * V 37BF.
149 */
150
151 #define TILE_COUNT 4
152
153 static inline UINT imagelist_height( UINT count )
154 {
155 return ((count + TILE_COUNT - 1)/TILE_COUNT);
156 }
157
158 static inline void imagelist_point_from_index( HIMAGELIST himl, UINT index, LPPOINT pt )
159 {
160 pt->x = (index%TILE_COUNT) * himl->cx;
161 pt->y = (index/TILE_COUNT) * himl->cy;
162 }
163
164 static inline void imagelist_get_bitmap_size( HIMAGELIST himl, UINT count, SIZE *sz )
165 {
166 sz->cx = himl->cx * TILE_COUNT;
167 sz->cy = imagelist_height( count ) * himl->cy;
168 }
169
170 static inline int get_dib_stride( int width, int bpp )
171 {
172 return ((width * bpp + 31) >> 3) & ~3;
173 }
174
175 static inline int get_dib_image_size( const BITMAPINFO *info )
176 {
177 return get_dib_stride( info->bmiHeader.biWidth, info->bmiHeader.biBitCount )
178 * abs( info->bmiHeader.biHeight );
179 }
180
181 /*
182 * imagelist_copy_images()
183 *
184 * Copies a block of count images from offset src in the list to offset dest.
185 * Images are copied a row at at time. Assumes hdcSrc and hdcDest are different.
186 */
187 static inline void imagelist_copy_images( HIMAGELIST himl, HDC hdcSrc, HDC hdcDest,
188 UINT src, UINT count, UINT dest )
189 {
190 POINT ptSrc, ptDest;
191 SIZE sz;
192 UINT i;
193
194 for ( i=0; i<TILE_COUNT; i++ )
195 {
196 imagelist_point_from_index( himl, src+i, &ptSrc );
197 imagelist_point_from_index( himl, dest+i, &ptDest );
198 sz.cx = himl->cx;
199 sz.cy = himl->cy * imagelist_height( count - i );
200
201 BitBlt( hdcDest, ptDest.x, ptDest.y, sz.cx, sz.cy,
202 hdcSrc, ptSrc.x, ptSrc.y, SRCCOPY );
203 }
204 }
205
206 static void add_dib_bits( HIMAGELIST himl, int pos, int count, int width, int height,
207 BITMAPINFO *info, BITMAPINFO *mask_info, DWORD *bits, BYTE *mask_bits )
208 {
209 int i, j, n;
210 POINT pt;
211 int stride = info->bmiHeader.biWidth;
212 int mask_stride = (info->bmiHeader.biWidth + 31) / 32 * 4;
213
214 for (n = 0; n < count; n++)
215 {
216 BOOL has_alpha = FALSE;
217
218 imagelist_point_from_index( himl, pos + n, &pt );
219
220 /* check if bitmap has an alpha channel */
221 for (i = 0; i < height && !has_alpha; i++)
222 for (j = n * width; j < (n + 1) * width; j++)
223 if ((has_alpha = ((bits[i * stride + j] & 0xff000000) != 0))) break;
224
225 if (!has_alpha) /* generate alpha channel from the mask */
226 {
227 for (i = 0; i < height; i++)
228 for (j = n * width; j < (n + 1) * width; j++)
229 if (!mask_info || !((mask_bits[i * mask_stride + j / 8] << (j % 8)) & 0x80))
230 bits[i * stride + j] |= 0xff000000;
231 else
232 bits[i * stride + j] = 0;
233 }
234 else
235 {
236 himl->has_alpha[pos + n] = 1;
237
238 if (mask_info && himl->hbmMask) /* generate the mask from the alpha channel */
239 {
240 for (i = 0; i < height; i++)
241 for (j = n * width; j < (n + 1) * width; j++)
242 if ((bits[i * stride + j] >> 24) > 25) /* more than 10% alpha */
243 mask_bits[i * mask_stride + j / 8] &= ~(0x80 >> (j % 8));
244 else
245 mask_bits[i * mask_stride + j / 8] |= 0x80 >> (j % 8);
246 }
247 }
248 StretchDIBits( himl->hdcImage, pt.x, pt.y, himl->cx, himl->cy,
249 n * width, 0, width, height, bits, info, DIB_RGB_COLORS, SRCCOPY );
250 if (mask_info)
251 StretchDIBits( himl->hdcMask, pt.x, pt.y, himl->cx, himl->cy,
252 n * width, 0, width, height, mask_bits, mask_info, DIB_RGB_COLORS, SRCCOPY );
253 }
254 }
255
256 /* add images with an alpha channel when the image list is 32 bpp */
257 static BOOL add_with_alpha( HIMAGELIST himl, HDC hdc, int pos, int count,
258 int width, int height, HBITMAP hbmImage, HBITMAP hbmMask )
259 {
260 BOOL ret = FALSE;
261 BITMAP bm;
262 BITMAPINFO *info, *mask_info = NULL;
263 DWORD *bits = NULL;
264 BYTE *mask_bits = NULL;
265 DWORD mask_width;
266
267 if (!GetObjectW( hbmImage, sizeof(bm), &bm )) return FALSE;
268
269 /* if either the imagelist or the source bitmap don't have an alpha channel, bail out now */
270 if (!himl->has_alpha) return FALSE;
271 if (bm.bmBitsPixel != 32) return FALSE;
272
273 SelectObject( hdc, hbmImage );
274 mask_width = (bm.bmWidth + 31) / 32 * 4;
275
276 if (!(info = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO, bmiColors[256] )))) goto done;
277 info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
278 info->bmiHeader.biWidth = bm.bmWidth;
279 info->bmiHeader.biHeight = -height;
280 info->bmiHeader.biPlanes = 1;
281 info->bmiHeader.biBitCount = 32;
282 info->bmiHeader.biCompression = BI_RGB;
283 info->bmiHeader.biSizeImage = bm.bmWidth * height * 4;
284 info->bmiHeader.biXPelsPerMeter = 0;
285 info->bmiHeader.biYPelsPerMeter = 0;
286 info->bmiHeader.biClrUsed = 0;
287 info->bmiHeader.biClrImportant = 0;
288 if (!(bits = HeapAlloc( GetProcessHeap(), 0, info->bmiHeader.biSizeImage ))) goto done;
289 if (!GetDIBits( hdc, hbmImage, 0, height, bits, info, DIB_RGB_COLORS )) goto done;
290
291 if (hbmMask)
292 {
293 if (!(mask_info = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO, bmiColors[2] ))))
294 goto done;
295 mask_info->bmiHeader = info->bmiHeader;
296 mask_info->bmiHeader.biBitCount = 1;
297 mask_info->bmiHeader.biSizeImage = mask_width * height;
298 if (!(mask_bits = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, info->bmiHeader.biSizeImage )))
299 goto done;
300 if (!GetDIBits( hdc, hbmMask, 0, height, mask_bits, mask_info, DIB_RGB_COLORS )) goto done;
301 }
302
303 add_dib_bits( himl, pos, count, width, height, info, mask_info, bits, mask_bits );
304 ret = TRUE;
305
306 done:
307 HeapFree( GetProcessHeap(), 0, info );
308 HeapFree( GetProcessHeap(), 0, mask_info );
309 HeapFree( GetProcessHeap(), 0, bits );
310 HeapFree( GetProcessHeap(), 0, mask_bits );
311 return ret;
312 }
313
314 /*************************************************************************
315 * IMAGELIST_InternalExpandBitmaps [Internal]
316 *
317 * Expands the bitmaps of an image list by the given number of images.
318 *
319 * PARAMS
320 * himl [I] handle to image list
321 * nImageCount [I] number of images to add
322 *
323 * RETURNS
324 * nothing
325 *
326 * NOTES
327 * This function CANNOT be used to reduce the number of images.
328 */
329 static void
330 IMAGELIST_InternalExpandBitmaps(HIMAGELIST himl, INT nImageCount)
331 {
332 HDC hdcBitmap;
333 HBITMAP hbmNewBitmap, hbmNull;
334 INT nNewCount;
335 SIZE sz;
336
337 TRACE("%p has allocated %d, max %d, grow %d images\n", himl, himl->cCurImage, himl->cMaxImage, himl->cGrow);
338
339 if (himl->cCurImage + nImageCount < himl->cMaxImage)
340 return;
341
342 nNewCount = himl->cMaxImage + max(nImageCount, himl->cGrow) + 1;
343
344 imagelist_get_bitmap_size(himl, nNewCount, &sz);
345
346 TRACE("Create expanded bitmaps : himl=%p x=%d y=%d count=%d\n", himl, sz.cx, sz.cy, nNewCount);
347 hdcBitmap = CreateCompatibleDC (0);
348
349 hbmNewBitmap = ImageList_CreateImage(hdcBitmap, himl, nNewCount);
350
351 if (hbmNewBitmap == 0)
352 ERR("creating new image bitmap (x=%d y=%d)!\n", sz.cx, sz.cy);
353
354 if (himl->cCurImage)
355 {
356 hbmNull = SelectObject (hdcBitmap, hbmNewBitmap);
357 BitBlt (hdcBitmap, 0, 0, sz.cx, sz.cy,
358 himl->hdcImage, 0, 0, SRCCOPY);
359 SelectObject (hdcBitmap, hbmNull);
360 }
361 SelectObject (himl->hdcImage, hbmNewBitmap);
362 DeleteObject (himl->hbmImage);
363 himl->hbmImage = hbmNewBitmap;
364
365 if (himl->flags & ILC_MASK)
366 {
367 hbmNewBitmap = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
368
369 if (hbmNewBitmap == 0)
370 ERR("creating new mask bitmap!\n");
371
372 if(himl->cCurImage)
373 {
374 hbmNull = SelectObject (hdcBitmap, hbmNewBitmap);
375 BitBlt (hdcBitmap, 0, 0, sz.cx, sz.cy,
376 himl->hdcMask, 0, 0, SRCCOPY);
377 SelectObject (hdcBitmap, hbmNull);
378 }
379 SelectObject (himl->hdcMask, hbmNewBitmap);
380 DeleteObject (himl->hbmMask);
381 himl->hbmMask = hbmNewBitmap;
382 }
383
384 if (himl->has_alpha)
385 {
386 char *new_alpha = HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, himl->has_alpha, nNewCount );
387 if (new_alpha) himl->has_alpha = new_alpha;
388 else
389 {
390 HeapFree( GetProcessHeap(), 0, himl->has_alpha );
391 himl->has_alpha = NULL;
392 }
393 }
394
395 himl->cMaxImage = nNewCount;
396
397 DeleteDC (hdcBitmap);
398 }
399
400
401 /*************************************************************************
402 * ImageList_Add [COMCTL32.@]
403 *
404 * Add an image or images to an image list.
405 *
406 * PARAMS
407 * himl [I] handle to image list
408 * hbmImage [I] handle to image bitmap
409 * hbmMask [I] handle to mask bitmap
410 *
411 * RETURNS
412 * Success: Index of the first new image.
413 * Failure: -1
414 */
415
416 INT WINAPI
417 ImageList_Add (HIMAGELIST himl, HBITMAP hbmImage, HBITMAP hbmMask)
418 {
419 HDC hdcBitmap, hdcTemp = 0;
420 INT nFirstIndex, nImageCount, i;
421 BITMAP bmp;
422 POINT pt;
423
424 TRACE("himl=%p hbmimage=%p hbmmask=%p\n", himl, hbmImage, hbmMask);
425 if (!is_valid(himl))
426 return -1;
427
428 if (!GetObjectW(hbmImage, sizeof(BITMAP), &bmp))
429 return -1;
430
431 TRACE("himl %p, cCurImage %d, cMaxImage %d, cGrow %d, cx %d, cy %d\n",
432 himl, himl->cCurImage, himl->cMaxImage, himl->cGrow, himl->cx, himl->cy);
433
434 nImageCount = bmp.bmWidth / himl->cx;
435
436 TRACE("%p has %d images (%d x %d)\n", hbmImage, nImageCount, bmp.bmWidth, bmp.bmHeight);
437
438 IMAGELIST_InternalExpandBitmaps(himl, nImageCount);
439
440 hdcBitmap = CreateCompatibleDC(0);
441
442 SelectObject(hdcBitmap, hbmImage);
443
444 if (add_with_alpha( himl, hdcBitmap, himl->cCurImage, nImageCount,
445 himl->cx, min( himl->cy, bmp.bmHeight), hbmImage, hbmMask ))
446 goto done;
447
448 if (himl->hbmMask)
449 {
450 hdcTemp = CreateCompatibleDC(0);
451 SelectObject(hdcTemp, hbmMask);
452 }
453
454 for (i=0; i<nImageCount; i++)
455 {
456 imagelist_point_from_index( himl, himl->cCurImage + i, &pt );
457
458 /* Copy result to the imagelist
459 */
460 BitBlt( himl->hdcImage, pt.x, pt.y, himl->cx, bmp.bmHeight,
461 hdcBitmap, i*himl->cx, 0, SRCCOPY );
462
463 if (!himl->hbmMask)
464 continue;
465
466 BitBlt( himl->hdcMask, pt.x, pt.y, himl->cx, bmp.bmHeight,
467 hdcTemp, i*himl->cx, 0, SRCCOPY );
468
469 /* Remove the background from the image
470 */
471 BitBlt( himl->hdcImage, pt.x, pt.y, himl->cx, bmp.bmHeight,
472 himl->hdcMask, pt.x, pt.y, 0x220326 ); /* NOTSRCAND */
473 }
474 if (hdcTemp) DeleteDC(hdcTemp);
475
476 done:
477 DeleteDC(hdcBitmap);
478
479 nFirstIndex = himl->cCurImage;
480 himl->cCurImage += nImageCount;
481
482 return nFirstIndex;
483 }
484
485
486 /*************************************************************************
487 * ImageList_AddIcon [COMCTL32.@]
488 *
489 * Adds an icon to an image list.
490 *
491 * PARAMS
492 * himl [I] handle to image list
493 * hIcon [I] handle to icon
494 *
495 * RETURNS
496 * Success: index of the new image
497 * Failure: -1
498 */
499 #undef ImageList_AddIcon
500 INT WINAPI ImageList_AddIcon (HIMAGELIST himl, HICON hIcon)
501 {
502 return ImageList_ReplaceIcon (himl, -1, hIcon);
503 }
504
505
506 /*************************************************************************
507 * ImageList_AddMasked [COMCTL32.@]
508 *
509 * Adds an image or images to an image list and creates a mask from the
510 * specified bitmap using the mask color.
511 *
512 * PARAMS
513 * himl [I] handle to image list.
514 * hBitmap [I] handle to bitmap
515 * clrMask [I] mask color.
516 *
517 * RETURNS
518 * Success: Index of the first new image.
519 * Failure: -1
520 */
521
522 INT WINAPI
523 ImageList_AddMasked (HIMAGELIST himl, HBITMAP hBitmap, COLORREF clrMask)
524 {
525 HDC hdcMask, hdcBitmap;
526 INT ret;
527 BITMAP bmp;
528 HBITMAP hMaskBitmap;
529 COLORREF bkColor;
530
531 TRACE("himl=%p hbitmap=%p clrmask=%x\n", himl, hBitmap, clrMask);
532 if (!is_valid(himl))
533 return -1;
534
535 if (!GetObjectW(hBitmap, sizeof(BITMAP), &bmp))
536 return -1;
537
538 hdcBitmap = CreateCompatibleDC(0);
539 SelectObject(hdcBitmap, hBitmap);
540
541 /* Create a temp Mask so we can remove the background of the Image */
542 hdcMask = CreateCompatibleDC(0);
543 hMaskBitmap = CreateBitmap(bmp.bmWidth, bmp.bmHeight, 1, 1, NULL);
544 SelectObject(hdcMask, hMaskBitmap);
545
546 /* create monochrome image to the mask bitmap */
547 bkColor = (clrMask != CLR_DEFAULT) ? clrMask : GetPixel (hdcBitmap, 0, 0);
548 SetBkColor (hdcBitmap, bkColor);
549 BitBlt (hdcMask, 0, 0, bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
550
551 /*
552 * Remove the background from the image
553 *
554 * WINDOWS BUG ALERT!!!!!!
555 * The statement below should not be done in common practice
556 * but this is how ImageList_AddMasked works in Windows.
557 * It overwrites the original bitmap passed, this was discovered
558 * by using the same bitmap to iterate the different styles
559 * on windows where it failed (BUT ImageList_Add is OK)
560 * This is here in case some apps rely on this bug
561 *
562 * Blt mode 0x220326 is NOTSRCAND
563 */
564 if (bmp.bmBitsPixel > 8) /* NOTSRCAND can't work with palettes */
565 {
566 SetBkColor(hdcBitmap, RGB(255,255,255));
567 BitBlt(hdcBitmap, 0, 0, bmp.bmWidth, bmp.bmHeight, hdcMask, 0, 0, 0x220326);
568 }
569
570 DeleteDC(hdcBitmap);
571 DeleteDC(hdcMask);
572
573 ret = ImageList_Add( himl, hBitmap, hMaskBitmap );
574
575 DeleteObject(hMaskBitmap);
576 return ret;
577 }
578
579
580 /*************************************************************************
581 * ImageList_BeginDrag [COMCTL32.@]
582 *
583 * Creates a temporary image list that contains one image. It will be used
584 * as a drag image.
585 *
586 * PARAMS
587 * himlTrack [I] handle to the source image list
588 * iTrack [I] index of the drag image in the source image list
589 * dxHotspot [I] X position of the hot spot of the drag image
590 * dyHotspot [I] Y position of the hot spot of the drag image
591 *
592 * RETURNS
593 * Success: TRUE
594 * Failure: FALSE
595 */
596
597 BOOL WINAPI
598 ImageList_BeginDrag (HIMAGELIST himlTrack, INT iTrack,
599 INT dxHotspot, INT dyHotspot)
600 {
601 INT cx, cy;
602 POINT src, dst;
603
604 TRACE("(himlTrack=%p iTrack=%d dx=%d dy=%d)\n", himlTrack, iTrack,
605 dxHotspot, dyHotspot);
606
607 if (!is_valid(himlTrack))
608 return FALSE;
609
610 if (iTrack >= himlTrack->cCurImage)
611 return FALSE;
612
613 if (InternalDrag.himl)
614 return FALSE;
615
616 cx = himlTrack->cx;
617 cy = himlTrack->cy;
618
619 InternalDrag.himlNoCursor = InternalDrag.himl = ImageList_Create (cx, cy, himlTrack->flags, 1, 1);
620 if (InternalDrag.himl == NULL) {
621 WARN("Error creating drag image list!\n");
622 return FALSE;
623 }
624
625 InternalDrag.dxHotspot = dxHotspot;
626 InternalDrag.dyHotspot = dyHotspot;
627
628 /* copy image */
629 imagelist_point_from_index(InternalDrag.himl, 0, &dst);
630 imagelist_point_from_index(himlTrack, iTrack, &src);
631 BitBlt(InternalDrag.himl->hdcImage, dst.x, dst.y, cx, cy, himlTrack->hdcImage, src.x, src.y,
632 SRCCOPY);
633 BitBlt(InternalDrag.himl->hdcMask, dst.x, dst.y, cx, cy, himlTrack->hdcMask, src.x, src.y,
634 SRCCOPY);
635
636 InternalDrag.himl->cCurImage = 1;
637
638 return TRUE;
639 }
640
641
642 /*************************************************************************
643 * ImageList_Copy [COMCTL32.@]
644 *
645 * Copies an image of the source image list to an image of the
646 * destination image list. Images can be copied or swapped.
647 *
648 * PARAMS
649 * himlDst [I] handle to the destination image list
650 * iDst [I] destination image index.
651 * himlSrc [I] handle to the source image list
652 * iSrc [I] source image index
653 * uFlags [I] flags for the copy operation
654 *
655 * RETURNS
656 * Success: TRUE
657 * Failure: FALSE
658 *
659 * NOTES
660 * Copying from one image list to another is possible. The original
661 * implementation just copies or swaps within one image list.
662 * Could this feature become a bug??? ;-)
663 */
664
665 BOOL WINAPI
666 ImageList_Copy (HIMAGELIST himlDst, INT iDst, HIMAGELIST himlSrc,
667 INT iSrc, UINT uFlags)
668 {
669 POINT ptSrc, ptDst;
670
671 TRACE("himlDst=%p iDst=%d himlSrc=%p iSrc=%d\n", himlDst, iDst, himlSrc, iSrc);
672
673 if (!is_valid(himlSrc) || !is_valid(himlDst))
674 return FALSE;
675 if ((iDst < 0) || (iDst >= himlDst->cCurImage))
676 return FALSE;
677 if ((iSrc < 0) || (iSrc >= himlSrc->cCurImage))
678 return FALSE;
679
680 imagelist_point_from_index( himlDst, iDst, &ptDst );
681 imagelist_point_from_index( himlSrc, iSrc, &ptSrc );
682
683 if (uFlags & ILCF_SWAP) {
684 /* swap */
685 HDC hdcBmp;
686 HBITMAP hbmTempImage, hbmTempMask;
687
688 hdcBmp = CreateCompatibleDC (0);
689
690 /* create temporary bitmaps */
691 hbmTempImage = CreateBitmap (himlSrc->cx, himlSrc->cy, 1,
692 himlSrc->uBitsPixel, NULL);
693 hbmTempMask = CreateBitmap (himlSrc->cx, himlSrc->cy, 1,
694 1, NULL);
695
696 /* copy (and stretch) destination to temporary bitmaps.(save) */
697 /* image */
698 SelectObject (hdcBmp, hbmTempImage);
699 StretchBlt (hdcBmp, 0, 0, himlSrc->cx, himlSrc->cy,
700 himlDst->hdcImage, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
701 SRCCOPY);
702 /* mask */
703 SelectObject (hdcBmp, hbmTempMask);
704 StretchBlt (hdcBmp, 0, 0, himlSrc->cx, himlSrc->cy,
705 himlDst->hdcMask, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
706 SRCCOPY);
707
708 /* copy (and stretch) source to destination */
709 /* image */
710 StretchBlt (himlDst->hdcImage, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
711 himlSrc->hdcImage, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
712 SRCCOPY);
713 /* mask */
714 StretchBlt (himlDst->hdcMask, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
715 himlSrc->hdcMask, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
716 SRCCOPY);
717
718 /* copy (without stretching) temporary bitmaps to source (restore) */
719 /* mask */
720 BitBlt (himlSrc->hdcMask, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
721 hdcBmp, 0, 0, SRCCOPY);
722
723 /* image */
724 BitBlt (himlSrc->hdcImage, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
725 hdcBmp, 0, 0, SRCCOPY);
726 /* delete temporary bitmaps */
727 DeleteObject (hbmTempMask);
728 DeleteObject (hbmTempImage);
729 DeleteDC(hdcBmp);
730 }
731 else {
732 /* copy image */
733 StretchBlt (himlDst->hdcImage, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
734 himlSrc->hdcImage, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
735 SRCCOPY);
736
737 /* copy mask */
738 StretchBlt (himlDst->hdcMask, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
739 himlSrc->hdcMask, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
740 SRCCOPY);
741 }
742
743 return TRUE;
744 }
745
746
747 /*************************************************************************
748 * ImageList_Create [COMCTL32.@]
749 *
750 * Creates a new image list.
751 *
752 * PARAMS
753 * cx [I] image height
754 * cy [I] image width
755 * flags [I] creation flags
756 * cInitial [I] initial number of images in the image list
757 * cGrow [I] number of images by which image list grows
758 *
759 * RETURNS
760 * Success: Handle to the created image list
761 * Failure: NULL
762 */
763 HIMAGELIST WINAPI
764 ImageList_Create (INT cx, INT cy, UINT flags,
765 INT cInitial, INT cGrow)
766 {
767 HIMAGELIST himl;
768 INT nCount;
769 HBITMAP hbmTemp;
770 UINT ilc = (flags & 0xFE);
771 static const WORD aBitBlend25[] =
772 {0xAA, 0x00, 0x55, 0x00, 0xAA, 0x00, 0x55, 0x00};
773
774 static const WORD aBitBlend50[] =
775 {0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA};
776
777 TRACE("(%d %d 0x%x %d %d)\n", cx, cy, flags, cInitial, cGrow);
778
779 if (cx <= 0 || cy <= 0) return NULL;
780
781 /* Create the IImageList interface for the image list */
782 if (FAILED(ImageListImpl_CreateInstance(NULL, &IID_IImageList, (void **)&himl)))
783 return NULL;
784
785 cGrow = (WORD)((max( cGrow, 1 ) + 3) & ~3);
786
787 if (cGrow > 256)
788 {
789 /* Windows doesn't limit the size here, but X11 doesn't let us allocate such huge bitmaps */
790 WARN( "grow %d too large, limiting to 256\n", cGrow );
791 cGrow = 256;
792 }
793
794 himl->cx = cx;
795 himl->cy = cy;
796 himl->flags = flags;
797 himl->cMaxImage = cInitial + 1;
798 himl->cInitial = cInitial;
799 himl->cGrow = cGrow;
800 himl->clrFg = CLR_DEFAULT;
801 himl->clrBk = CLR_NONE;
802
803 /* initialize overlay mask indices */
804 for (nCount = 0; nCount < MAX_OVERLAYIMAGE; nCount++)
805 himl->nOvlIdx[nCount] = -1;
806
807 /* Create Image & Mask DCs */
808 himl->hdcImage = CreateCompatibleDC (0);
809 if (!himl->hdcImage)
810 goto cleanup;
811 if (himl->flags & ILC_MASK){
812 himl->hdcMask = CreateCompatibleDC(0);
813 if (!himl->hdcMask)
814 goto cleanup;
815 }
816
817 /* Default to ILC_COLOR4 if none of the ILC_COLOR* flags are specified */
818 if (ilc == ILC_COLOR)
819 {
820 ilc = ILC_COLOR4;
821 himl->flags |= ILC_COLOR4;
822 }
823
824 if (ilc >= ILC_COLOR4 && ilc <= ILC_COLOR32)
825 himl->uBitsPixel = ilc;
826 else
827 himl->uBitsPixel = (UINT)GetDeviceCaps (himl->hdcImage, BITSPIXEL);
828
829 if (himl->cMaxImage > 0) {
830 himl->hbmImage = ImageList_CreateImage(himl->hdcImage, himl, himl->cMaxImage);
831 SelectObject(himl->hdcImage, himl->hbmImage);
832 } else
833 himl->hbmImage = 0;
834
835 if ((himl->cMaxImage > 0) && (himl->flags & ILC_MASK)) {
836 SIZE sz;
837
838 imagelist_get_bitmap_size(himl, himl->cMaxImage, &sz);
839 himl->hbmMask = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
840 if (himl->hbmMask == 0) {
841 ERR("Error creating mask bitmap!\n");
842 goto cleanup;
843 }
844 SelectObject(himl->hdcMask, himl->hbmMask);
845 }
846 else
847 himl->hbmMask = 0;
848
849 if (ilc == ILC_COLOR32)
850 himl->has_alpha = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, himl->cMaxImage );
851 else
852 himl->has_alpha = NULL;
853
854 /* create blending brushes */
855 hbmTemp = CreateBitmap (8, 8, 1, 1, aBitBlend25);
856 himl->hbrBlend25 = CreatePatternBrush (hbmTemp);
857 DeleteObject (hbmTemp);
858
859 hbmTemp = CreateBitmap (8, 8, 1, 1, aBitBlend50);
860 himl->hbrBlend50 = CreatePatternBrush (hbmTemp);
861 DeleteObject (hbmTemp);
862
863 TRACE("created imagelist %p\n", himl);
864 return himl;
865
866 cleanup:
867 ImageList_Destroy(himl);
868 return NULL;
869 }
870
871
872 /*************************************************************************
873 * ImageList_Destroy [COMCTL32.@]
874 *
875 * Destroys an image list.
876 *
877 * PARAMS
878 * himl [I] handle to image list
879 *
880 * RETURNS
881 * Success: TRUE
882 * Failure: FALSE
883 */
884
885 BOOL WINAPI
886 ImageList_Destroy (HIMAGELIST himl)
887 {
888 if (!is_valid(himl))
889 return FALSE;
890
891 IImageList_Release((IImageList *) himl);
892 return TRUE;
893 }
894
895
896 /*************************************************************************
897 * ImageList_DragEnter [COMCTL32.@]
898 *
899 * Locks window update and displays the drag image at the given position.
900 *
901 * PARAMS
902 * hwndLock [I] handle of the window that owns the drag image.
903 * x [I] X position of the drag image.
904 * y [I] Y position of the drag image.
905 *
906 * RETURNS
907 * Success: TRUE
908 * Failure: FALSE
909 *
910 * NOTES
911 * The position of the drag image is relative to the window, not
912 * the client area.
913 */
914
915 BOOL WINAPI
916 ImageList_DragEnter (HWND hwndLock, INT x, INT y)
917 {
918 TRACE("(hwnd=%p x=%d y=%d)\n", hwndLock, x, y);
919
920 if (!is_valid(InternalDrag.himl))
921 return FALSE;
922
923 if (hwndLock)
924 InternalDrag.hwnd = hwndLock;
925 else
926 InternalDrag.hwnd = GetDesktopWindow ();
927
928 InternalDrag.x = x;
929 InternalDrag.y = y;
930
931 /* draw the drag image and save the background */
932 if (!ImageList_DragShowNolock(TRUE)) {
933 return FALSE;
934 }
935
936 return TRUE;
937 }
938
939
940 /*************************************************************************
941 * ImageList_DragLeave [COMCTL32.@]
942 *
943 * Unlocks window update and hides the drag image.
944 *
945 * PARAMS
946 * hwndLock [I] handle of the window that owns the drag image.
947 *
948 * RETURNS
949 * Success: TRUE
950 * Failure: FALSE
951 */
952
953 BOOL WINAPI
954 ImageList_DragLeave (HWND hwndLock)
955 {
956 /* As we don't save drag info in the window this can lead to problems if
957 an app does not supply the same window as DragEnter */
958 /* if (hwndLock)
959 InternalDrag.hwnd = hwndLock;
960 else
961 InternalDrag.hwnd = GetDesktopWindow (); */
962 if(!hwndLock)
963 hwndLock = GetDesktopWindow();
964 if(InternalDrag.hwnd != hwndLock)
965 FIXME("DragLeave hWnd != DragEnter hWnd\n");
966
967 ImageList_DragShowNolock (FALSE);
968
969 return TRUE;
970 }
971
972
973 /*************************************************************************
974 * ImageList_InternalDragDraw [Internal]
975 *
976 * Draws the drag image.
977 *
978 * PARAMS
979 * hdc [I] device context to draw into.
980 * x [I] X position of the drag image.
981 * y [I] Y position of the drag image.
982 *
983 * RETURNS
984 * Success: TRUE
985 * Failure: FALSE
986 *
987 * NOTES
988 * The position of the drag image is relative to the window, not
989 * the client area.
990 *
991 */
992
993 static inline void
994 ImageList_InternalDragDraw (HDC hdc, INT x, INT y)
995 {
996 IMAGELISTDRAWPARAMS imldp;
997
998 ZeroMemory (&imldp, sizeof(imldp));
999 imldp.cbSize = sizeof(imldp);
1000 imldp.himl = InternalDrag.himl;
1001 imldp.i = 0;
1002 imldp.hdcDst = hdc,
1003 imldp.x = x;
1004 imldp.y = y;
1005 imldp.rgbBk = CLR_DEFAULT;
1006 imldp.rgbFg = CLR_DEFAULT;
1007 imldp.fStyle = ILD_NORMAL;
1008 imldp.fState = ILS_ALPHA;
1009 imldp.Frame = 192;
1010 ImageList_DrawIndirect (&imldp);
1011 }
1012
1013 /*************************************************************************
1014 * ImageList_DragMove [COMCTL32.@]
1015 *
1016 * Moves the drag image.
1017 *
1018 * PARAMS
1019 * x [I] X position of the drag image.
1020 * y [I] Y position of the drag image.
1021 *
1022 * RETURNS
1023 * Success: TRUE
1024 * Failure: FALSE
1025 *
1026 * NOTES
1027 * The position of the drag image is relative to the window, not
1028 * the client area.
1029 */
1030
1031 BOOL WINAPI
1032 ImageList_DragMove (INT x, INT y)
1033 {
1034 TRACE("(x=%d y=%d)\n", x, y);
1035
1036 if (!is_valid(InternalDrag.himl))
1037 return FALSE;
1038
1039 /* draw/update the drag image */
1040 if (InternalDrag.bShow) {
1041 HDC hdcDrag;
1042 HDC hdcOffScreen;
1043 HDC hdcBg;
1044 HBITMAP hbmOffScreen;
1045 INT origNewX, origNewY;
1046 INT origOldX, origOldY;
1047 INT origRegX, origRegY;
1048 INT sizeRegX, sizeRegY;
1049
1050
1051 /* calculate the update region */
1052 origNewX = x - InternalDrag.dxHotspot;
1053 origNewY = y - InternalDrag.dyHotspot;
1054 origOldX = InternalDrag.x - InternalDrag.dxHotspot;
1055 origOldY = InternalDrag.y - InternalDrag.dyHotspot;
1056 origRegX = min(origNewX, origOldX);
1057 origRegY = min(origNewY, origOldY);
1058 sizeRegX = InternalDrag.himl->cx + abs(x - InternalDrag.x);
1059 sizeRegY = InternalDrag.himl->cy + abs(y - InternalDrag.y);
1060
1061 hdcDrag = GetDCEx(InternalDrag.hwnd, 0,
1062 DCX_WINDOW | DCX_CACHE | DCX_LOCKWINDOWUPDATE);
1063 hdcOffScreen = CreateCompatibleDC(hdcDrag);
1064 hdcBg = CreateCompatibleDC(hdcDrag);
1065
1066 hbmOffScreen = CreateCompatibleBitmap(hdcDrag, sizeRegX, sizeRegY);
1067 SelectObject(hdcOffScreen, hbmOffScreen);
1068 SelectObject(hdcBg, InternalDrag.hbmBg);
1069
1070 /* get the actual background of the update region */
1071 BitBlt(hdcOffScreen, 0, 0, sizeRegX, sizeRegY, hdcDrag,
1072 origRegX, origRegY, SRCCOPY);
1073 /* erase the old image */
1074 BitBlt(hdcOffScreen, origOldX - origRegX, origOldY - origRegY,
1075 InternalDrag.himl->cx, InternalDrag.himl->cy, hdcBg, 0, 0,
1076 SRCCOPY);
1077 /* save the background */
1078 BitBlt(hdcBg, 0, 0, InternalDrag.himl->cx, InternalDrag.himl->cy,
1079 hdcOffScreen, origNewX - origRegX, origNewY - origRegY, SRCCOPY);
1080 /* draw the image */
1081 ImageList_InternalDragDraw(hdcOffScreen, origNewX - origRegX,
1082 origNewY - origRegY);
1083 /* draw the update region to the screen */
1084 BitBlt(hdcDrag, origRegX, origRegY, sizeRegX, sizeRegY,
1085 hdcOffScreen, 0, 0, SRCCOPY);
1086
1087 DeleteDC(hdcBg);
1088 DeleteDC(hdcOffScreen);
1089 DeleteObject(hbmOffScreen);
1090 ReleaseDC(InternalDrag.hwnd, hdcDrag);
1091 }
1092
1093 /* update the image position */
1094 InternalDrag.x = x;
1095 InternalDrag.y = y;
1096
1097 return TRUE;
1098 }
1099
1100
1101 /*************************************************************************
1102 * ImageList_DragShowNolock [COMCTL32.@]
1103 *
1104 * Shows or hides the drag image.
1105 *
1106 * PARAMS
1107 * bShow [I] TRUE shows the drag image, FALSE hides it.
1108 *
1109 * RETURNS
1110 * Success: TRUE
1111 * Failure: FALSE
1112 */
1113
1114 BOOL WINAPI
1115 ImageList_DragShowNolock (BOOL bShow)
1116 {
1117 HDC hdcDrag;
1118 HDC hdcBg;
1119 INT x, y;
1120
1121 if (!is_valid(InternalDrag.himl))
1122 return FALSE;
1123
1124 TRACE("bShow=0x%X!\n", bShow);
1125
1126 /* DragImage is already visible/hidden */
1127 if ((InternalDrag.bShow && bShow) || (!InternalDrag.bShow && !bShow)) {
1128 return FALSE;
1129 }
1130
1131 /* position of the origin of the DragImage */
1132 x = InternalDrag.x - InternalDrag.dxHotspot;
1133 y = InternalDrag.y - InternalDrag.dyHotspot;
1134
1135 hdcDrag = GetDCEx (InternalDrag.hwnd, 0,
1136 DCX_WINDOW | DCX_CACHE | DCX_LOCKWINDOWUPDATE);
1137 if (!hdcDrag) {
1138 return FALSE;
1139 }
1140
1141 hdcBg = CreateCompatibleDC(hdcDrag);
1142 if (!InternalDrag.hbmBg) {
1143 InternalDrag.hbmBg = CreateCompatibleBitmap(hdcDrag,
1144 InternalDrag.himl->cx, InternalDrag.himl->cy);
1145 }
1146 SelectObject(hdcBg, InternalDrag.hbmBg);
1147
1148 if (bShow) {
1149 /* save the background */
1150 BitBlt(hdcBg, 0, 0, InternalDrag.himl->cx, InternalDrag.himl->cy,
1151 hdcDrag, x, y, SRCCOPY);
1152 /* show the image */
1153 ImageList_InternalDragDraw(hdcDrag, x, y);
1154 } else {
1155 /* hide the image */
1156 BitBlt(hdcDrag, x, y, InternalDrag.himl->cx, InternalDrag.himl->cy,
1157 hdcBg, 0, 0, SRCCOPY);
1158 }
1159
1160 InternalDrag.bShow = !InternalDrag.bShow;
1161
1162 DeleteDC(hdcBg);
1163 ReleaseDC (InternalDrag.hwnd, hdcDrag);
1164 return TRUE;
1165 }
1166
1167
1168 /*************************************************************************
1169 * ImageList_Draw [COMCTL32.@]
1170 *
1171 * Draws an image.
1172 *
1173 * PARAMS
1174 * himl [I] handle to image list
1175 * i [I] image index
1176 * hdc [I] handle to device context
1177 * x [I] x position
1178 * y [I] y position
1179 * fStyle [I] drawing flags
1180 *
1181 * RETURNS
1182 * Success: TRUE
1183 * Failure: FALSE
1184 *
1185 * SEE
1186 * ImageList_DrawEx.
1187 */
1188
1189 BOOL WINAPI
1190 ImageList_Draw (HIMAGELIST himl, INT i, HDC hdc, INT x, INT y, UINT fStyle)
1191 {
1192 return ImageList_DrawEx (himl, i, hdc, x, y, 0, 0,
1193 CLR_DEFAULT, CLR_DEFAULT, fStyle);
1194 }
1195
1196
1197 /*************************************************************************
1198 * ImageList_DrawEx [COMCTL32.@]
1199 *
1200 * Draws an image and allows using extended drawing features.
1201 *
1202 * PARAMS
1203 * himl [I] handle to image list
1204 * i [I] image index
1205 * hdc [I] handle to device context
1206 * x [I] X position
1207 * y [I] Y position
1208 * dx [I] X offset
1209 * dy [I] Y offset
1210 * rgbBk [I] background color
1211 * rgbFg [I] foreground color
1212 * fStyle [I] drawing flags
1213 *
1214 * RETURNS
1215 * Success: TRUE
1216 * Failure: FALSE
1217 *
1218 * NOTES
1219 * Calls ImageList_DrawIndirect.
1220 *
1221 * SEE
1222 * ImageList_DrawIndirect.
1223 */
1224
1225 BOOL WINAPI
1226 ImageList_DrawEx (HIMAGELIST himl, INT i, HDC hdc, INT x, INT y,
1227 INT dx, INT dy, COLORREF rgbBk, COLORREF rgbFg,
1228 UINT fStyle)
1229 {
1230 IMAGELISTDRAWPARAMS imldp;
1231
1232 ZeroMemory (&imldp, sizeof(imldp));
1233 imldp.cbSize = sizeof(imldp);
1234 imldp.himl = himl;
1235 imldp.i = i;
1236 imldp.hdcDst = hdc,
1237 imldp.x = x;
1238 imldp.y = y;
1239 imldp.cx = dx;
1240 imldp.cy = dy;
1241 imldp.rgbBk = rgbBk;
1242 imldp.rgbFg = rgbFg;
1243 imldp.fStyle = fStyle;
1244
1245 return ImageList_DrawIndirect (&imldp);
1246 }
1247
1248
1249 static BOOL alpha_blend_image( HIMAGELIST himl, HDC dest_dc, int dest_x, int dest_y,
1250 int src_x, int src_y, int cx, int cy, BLENDFUNCTION func,
1251 UINT style, COLORREF blend_col )
1252 {
1253 BOOL ret = FALSE;
1254 HDC hdc;
1255 HBITMAP bmp = 0, mask = 0;
1256 BITMAPINFO *info;
1257 void *bits, *mask_bits;
1258 unsigned int *ptr;
1259 int i, j;
1260
1261 if (!(hdc = CreateCompatibleDC( 0 ))) return FALSE;
1262 if (!(info = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO, bmiColors[256] )))) goto done;
1263 info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
1264 info->bmiHeader.biWidth = cx;
1265 info->bmiHeader.biHeight = cy;
1266 info->bmiHeader.biPlanes = 1;
1267 info->bmiHeader.biBitCount = 32;
1268 info->bmiHeader.biCompression = BI_RGB;
1269 info->bmiHeader.biSizeImage = cx * cy * 4;
1270 info->bmiHeader.biXPelsPerMeter = 0;
1271 info->bmiHeader.biYPelsPerMeter = 0;
1272 info->bmiHeader.biClrUsed = 0;
1273 info->bmiHeader.biClrImportant = 0;
1274 if (!(bmp = CreateDIBSection( himl->hdcImage, info, DIB_RGB_COLORS, &bits, 0, 0 ))) goto done;
1275 SelectObject( hdc, bmp );
1276 BitBlt( hdc, 0, 0, cx, cy, himl->hdcImage, src_x, src_y, SRCCOPY );
1277
1278 if (blend_col != CLR_NONE)
1279 {
1280 BYTE r = GetRValue( blend_col );
1281 BYTE g = GetGValue( blend_col );
1282 BYTE b = GetBValue( blend_col );
1283
1284 if (style & ILD_BLEND25)
1285 {
1286 for (i = 0, ptr = bits; i < cx * cy; i++, ptr++)
1287 *ptr = ((*ptr & 0xff000000) |
1288 ((((*ptr & 0x00ff0000) * 3 + (r << 16)) / 4) & 0x00ff0000) |
1289 ((((*ptr & 0x0000ff00) * 3 + (g << 8)) / 4) & 0x0000ff00) |
1290 ((((*ptr & 0x000000ff) * 3 + (b << 0)) / 4) & 0x000000ff));
1291 }
1292 else if (style & ILD_BLEND50)
1293 {
1294 for (i = 0, ptr = bits; i < cx * cy; i++, ptr++)
1295 *ptr = ((*ptr & 0xff000000) |
1296 ((((*ptr & 0x00ff0000) + (r << 16)) / 2) & 0x00ff0000) |
1297 ((((*ptr & 0x0000ff00) + (g << 8)) / 2) & 0x0000ff00) |
1298 ((((*ptr & 0x000000ff) + (b << 0)) / 2) & 0x000000ff));
1299 }
1300 }
1301
1302 if (himl->has_alpha) /* we already have an alpha channel in this case */
1303 {
1304 /* pre-multiply by the alpha channel */
1305 for (i = 0, ptr = bits; i < cx * cy; i++, ptr++)
1306 {
1307 DWORD alpha = *ptr >> 24;
1308 *ptr = ((*ptr & 0xff000000) |
1309 (((*ptr & 0x00ff0000) * alpha / 255) & 0x00ff0000) |
1310 (((*ptr & 0x0000ff00) * alpha / 255) & 0x0000ff00) |
1311 (((*ptr & 0x000000ff) * alpha / 255)));
1312 }
1313 }
1314 else if (himl->hbmMask)
1315 {
1316 unsigned int width_bytes = (cx + 31) / 32 * 4;
1317 /* generate alpha channel from the mask */
1318 info->bmiHeader.biBitCount = 1;
1319 info->bmiHeader.biSizeImage = width_bytes * cy;
1320 info->bmiColors[0].rgbRed = 0;
1321 info->bmiColors[0].rgbGreen = 0;
1322 info->bmiColors[0].rgbBlue = 0;
1323 info->bmiColors[0].rgbReserved = 0;
1324 info->bmiColors[1].rgbRed = 0xff;
1325 info->bmiColors[1].rgbGreen = 0xff;
1326 info->bmiColors[1].rgbBlue = 0xff;
1327 info->bmiColors[1].rgbReserved = 0;
1328 if (!(mask = CreateDIBSection( himl->hdcMask, info, DIB_RGB_COLORS, &mask_bits, 0, 0 )))
1329 goto done;
1330 SelectObject( hdc, mask );
1331 BitBlt( hdc, 0, 0, cx, cy, himl->hdcMask, src_x, src_y, SRCCOPY );
1332 SelectObject( hdc, bmp );
1333 for (i = 0, ptr = bits; i < cy; i++)
1334 for (j = 0; j < cx; j++, ptr++)
1335 if ((((BYTE *)mask_bits)[i * width_bytes + j / 8] << (j % 8)) & 0x80) *ptr = 0;
1336 else *ptr |= 0xff000000;
1337 }
1338
1339 ret = GdiAlphaBlend( dest_dc, dest_x, dest_y, cx, cy, hdc, 0, 0, cx, cy, func );
1340
1341 done:
1342 DeleteDC( hdc );
1343 if (bmp) DeleteObject( bmp );
1344 if (mask) DeleteObject( mask );
1345 HeapFree( GetProcessHeap(), 0, info );
1346 return ret;
1347 }
1348
1349 /*************************************************************************
1350 * ImageList_DrawIndirect [COMCTL32.@]
1351 *
1352 * Draws an image using various parameters specified in pimldp.
1353 *
1354 * PARAMS
1355 * pimldp [I] pointer to IMAGELISTDRAWPARAMS structure.
1356 *
1357 * RETURNS
1358 * Success: TRUE
1359 * Failure: FALSE
1360 */
1361
1362 BOOL WINAPI
1363 ImageList_DrawIndirect (IMAGELISTDRAWPARAMS *pimldp)
1364 {
1365 INT cx, cy, nOvlIdx;
1366 DWORD fState, dwRop;
1367 UINT fStyle;
1368 COLORREF oldImageBk, oldImageFg;
1369 HDC hImageDC, hImageListDC, hMaskListDC;
1370 HBITMAP hImageBmp, hOldImageBmp, hBlendMaskBmp;
1371 BOOL bIsTransparent, bBlend, bResult = FALSE, bMask;
1372 HIMAGELIST himl;
1373 HBRUSH hOldBrush;
1374 POINT pt;
1375 BOOL has_alpha;
1376
1377 if (!pimldp || !(himl = pimldp->himl)) return FALSE;
1378 if (!is_valid(himl)) return FALSE;
1379 if ((pimldp->i < 0) || (pimldp->i >= himl->cCurImage)) return FALSE;
1380
1381 imagelist_point_from_index( himl, pimldp->i, &pt );
1382 pt.x += pimldp->xBitmap;
1383 pt.y += pimldp->yBitmap;
1384
1385 fState = pimldp->cbSize < sizeof(IMAGELISTDRAWPARAMS) ? ILS_NORMAL : pimldp->fState;
1386 fStyle = pimldp->fStyle & ~ILD_OVERLAYMASK;
1387 cx = (pimldp->cx == 0) ? himl->cx : pimldp->cx;
1388 cy = (pimldp->cy == 0) ? himl->cy : pimldp->cy;
1389
1390 bIsTransparent = (fStyle & ILD_TRANSPARENT);
1391 if( pimldp->rgbBk == CLR_NONE )
1392 bIsTransparent = TRUE;
1393 if( ( pimldp->rgbBk == CLR_DEFAULT ) && ( himl->clrBk == CLR_NONE ) )
1394 bIsTransparent = TRUE;
1395 bMask = (himl->flags & ILC_MASK) && (fStyle & ILD_MASK) ;
1396 bBlend = (fStyle & (ILD_BLEND25 | ILD_BLEND50) ) && !bMask;
1397
1398 TRACE("himl(%p) hbmMask(%p) iImage(%d) x(%d) y(%d) cx(%d) cy(%d)\n",
1399 himl, himl->hbmMask, pimldp->i, pimldp->x, pimldp->y, cx, cy);
1400
1401 /* we will use these DCs to access the images and masks in the ImageList */
1402 hImageListDC = himl->hdcImage;
1403 hMaskListDC = himl->hdcMask;
1404
1405 /* these will accumulate the image and mask for the image we're drawing */
1406 hImageDC = CreateCompatibleDC( pimldp->hdcDst );
1407 hImageBmp = CreateCompatibleBitmap( pimldp->hdcDst, cx, cy );
1408 hBlendMaskBmp = bBlend ? CreateBitmap(cx, cy, 1, 1, NULL) : 0;
1409
1410 /* Create a compatible DC. */
1411 if (!hImageListDC || !hImageDC || !hImageBmp ||
1412 (bBlend && !hBlendMaskBmp) || (himl->hbmMask && !hMaskListDC))
1413 goto cleanup;
1414
1415 hOldImageBmp = SelectObject(hImageDC, hImageBmp);
1416
1417 /*
1418 * To obtain a transparent look, background color should be set
1419 * to white and foreground color to black when blitting the
1420 * monochrome mask.
1421 */
1422 oldImageFg = SetTextColor( hImageDC, RGB( 0, 0, 0 ) );
1423 oldImageBk = SetBkColor( hImageDC, RGB( 0xff, 0xff, 0xff ) );
1424
1425 has_alpha = (himl->has_alpha && himl->has_alpha[pimldp->i]);
1426 if (!bMask && (has_alpha || (fState & ILS_ALPHA)))
1427 {
1428 COLORREF colour, blend_col = CLR_NONE;
1429 BLENDFUNCTION func;
1430
1431 if (bBlend)
1432 {
1433 blend_col = pimldp->rgbFg;
1434 if (blend_col == CLR_DEFAULT) blend_col = GetSysColor( COLOR_HIGHLIGHT );
1435 else if (blend_col == CLR_NONE) blend_col = GetTextColor( pimldp->hdcDst );
1436 }
1437
1438 func.BlendOp = AC_SRC_OVER;
1439 func.BlendFlags = 0;
1440 func.SourceConstantAlpha = (fState & ILS_ALPHA) ? pimldp->Frame : 255;
1441 func.AlphaFormat = AC_SRC_ALPHA;
1442
1443 if (bIsTransparent)
1444 {
1445 bResult = alpha_blend_image( himl, pimldp->hdcDst, pimldp->x, pimldp->y,
1446 pt.x, pt.y, cx, cy, func, fStyle, blend_col );
1447 goto end;
1448 }
1449 colour = pimldp->rgbBk;
1450 if (colour == CLR_DEFAULT) colour = himl->clrBk;
1451 if (colour == CLR_NONE) colour = GetBkColor( pimldp->hdcDst );
1452
1453 hOldBrush = SelectObject (hImageDC, CreateSolidBrush (colour));
1454 PatBlt( hImageDC, 0, 0, cx, cy, PATCOPY );
1455 alpha_blend_image( himl, hImageDC, 0, 0, pt.x, pt.y, cx, cy, func, fStyle, blend_col );
1456 DeleteObject (SelectObject (hImageDC, hOldBrush));
1457 bResult = BitBlt( pimldp->hdcDst, pimldp->x, pimldp->y, cx, cy, hImageDC, 0, 0, SRCCOPY );
1458 goto end;
1459 }
1460
1461 /*
1462 * Draw the initial image
1463 */
1464 if( bMask ) {
1465 if (himl->hbmMask) {
1466 hOldBrush = SelectObject (hImageDC, CreateSolidBrush (GetTextColor(pimldp->hdcDst)));
1467 PatBlt( hImageDC, 0, 0, cx, cy, PATCOPY );
1468 BitBlt(hImageDC, 0, 0, cx, cy, hMaskListDC, pt.x, pt.y, SRCPAINT);
1469 DeleteObject (SelectObject (hImageDC, hOldBrush));
1470 if( bIsTransparent )
1471 {
1472 BitBlt ( pimldp->hdcDst, pimldp->x, pimldp->y, cx, cy, hImageDC, 0, 0, SRCAND);
1473 bResult = TRUE;
1474 goto end;
1475 }
1476 } else {
1477 hOldBrush = SelectObject (hImageDC, GetStockObject(BLACK_BRUSH));
1478 PatBlt( hImageDC, 0, 0, cx, cy, PATCOPY);
1479 SelectObject(hImageDC, hOldBrush);
1480 }
1481 } else {
1482 /* blend the image with the needed solid background */
1483 COLORREF colour = RGB(0,0,0);
1484
1485 if( !bIsTransparent )
1486 {
1487 colour = pimldp->rgbBk;
1488 if( colour == CLR_DEFAULT )
1489 colour = himl->clrBk;
1490 if( colour == CLR_NONE )
1491 colour = GetBkColor(pimldp->hdcDst);
1492 }
1493
1494 hOldBrush = SelectObject (hImageDC, CreateSolidBrush (colour));
1495 PatBlt( hImageDC, 0, 0, cx, cy, PATCOPY );
1496 if (himl->hbmMask)
1497 {
1498 BitBlt( hImageDC, 0, 0, cx, cy, hMaskListDC, pt.x, pt.y, SRCAND );
1499 BitBlt( hImageDC, 0, 0, cx, cy, hImageListDC, pt.x, pt.y, SRCPAINT );
1500 }
1501 else
1502 BitBlt( hImageDC, 0, 0, cx, cy, hImageListDC, pt.x, pt.y, SRCCOPY);
1503 DeleteObject (SelectObject (hImageDC, hOldBrush));
1504 }
1505
1506 /* Time for blending, if required */
1507 if (bBlend) {
1508 HBRUSH hBlendBrush;
1509 COLORREF clrBlend = pimldp->rgbFg;
1510 HDC hBlendMaskDC = hImageListDC;
1511 HBITMAP hOldBitmap;
1512
1513 /* Create the blend Mask */
1514 hOldBitmap = SelectObject(hBlendMaskDC, hBlendMaskBmp);
1515 hBlendBrush = fStyle & ILD_BLEND50 ? himl->hbrBlend50 : himl->hbrBlend25;
1516 hOldBrush = SelectObject(hBlendMaskDC, hBlendBrush);
1517 PatBlt(hBlendMaskDC, 0, 0, cx, cy, PATCOPY);
1518 SelectObject(hBlendMaskDC, hOldBrush);
1519
1520 /* Modify the blend mask if an Image Mask exist */
1521 if(himl->hbmMask) {
1522 BitBlt(hBlendMaskDC, 0, 0, cx, cy, hMaskListDC, pt.x, pt.y, 0x220326); /* NOTSRCAND */
1523 BitBlt(hBlendMaskDC, 0, 0, cx, cy, hBlendMaskDC, 0, 0, NOTSRCCOPY);
1524 }
1525
1526 /* now apply blend to the current image given the BlendMask */
1527 if (clrBlend == CLR_DEFAULT) clrBlend = GetSysColor (COLOR_HIGHLIGHT);
1528 else if (clrBlend == CLR_NONE) clrBlend = GetTextColor (pimldp->hdcDst);
1529 hOldBrush = SelectObject (hImageDC, CreateSolidBrush(clrBlend));
1530 BitBlt (hImageDC, 0, 0, cx, cy, hBlendMaskDC, 0, 0, 0xB8074A); /* PSDPxax */
1531 DeleteObject(SelectObject(hImageDC, hOldBrush));
1532 SelectObject(hBlendMaskDC, hOldBitmap);
1533 }
1534
1535 /* Now do the overlay image, if any */
1536 nOvlIdx = (pimldp->fStyle & ILD_OVERLAYMASK) >> 8;
1537 if ( (nOvlIdx >= 1) && (nOvlIdx <= MAX_OVERLAYIMAGE)) {
1538 nOvlIdx = himl->nOvlIdx[nOvlIdx - 1];
1539 if ((nOvlIdx >= 0) && (nOvlIdx < himl->cCurImage)) {
1540 POINT ptOvl;
1541 imagelist_point_from_index( himl, nOvlIdx, &ptOvl );
1542 ptOvl.x += pimldp->xBitmap;
1543 if (himl->hbmMask && !(fStyle & ILD_IMAGE))
1544 BitBlt (hImageDC, 0, 0, cx, cy, hMaskListDC, ptOvl.x, ptOvl.y, SRCAND);
1545 BitBlt (hImageDC, 0, 0, cx, cy, hImageListDC, ptOvl.x, ptOvl.y, SRCPAINT);
1546 }
1547 }
1548
1549 if (fState & ILS_SATURATE) FIXME("ILS_SATURATE: unimplemented!\n");
1550 if (fState & ILS_GLOW) FIXME("ILS_GLOW: unimplemented!\n");
1551 if (fState & ILS_SHADOW) FIXME("ILS_SHADOW: unimplemented!\n");
1552
1553 if (fStyle & ILD_PRESERVEALPHA) FIXME("ILD_PRESERVEALPHA: unimplemented!\n");
1554 if (fStyle & ILD_SCALE) FIXME("ILD_SCALE: unimplemented!\n");
1555 if (fStyle & ILD_DPISCALE) FIXME("ILD_DPISCALE: unimplemented!\n");
1556
1557 /* now copy the image to the screen */
1558 dwRop = SRCCOPY;
1559 if (himl->hbmMask && bIsTransparent ) {
1560 COLORREF oldDstFg = SetTextColor(pimldp->hdcDst, RGB( 0, 0, 0 ) );
1561 COLORREF oldDstBk = SetBkColor(pimldp->hdcDst, RGB( 0xff, 0xff, 0xff ));
1562 BitBlt (pimldp->hdcDst, pimldp->x, pimldp->y, cx, cy, hMaskListDC, pt.x, pt.y, SRCAND);
1563 SetBkColor(pimldp->hdcDst, oldDstBk);
1564 SetTextColor(pimldp->hdcDst, oldDstFg);
1565 dwRop = SRCPAINT;
1566 }
1567 if (fStyle & ILD_ROP) dwRop = pimldp->dwRop;
1568 BitBlt (pimldp->hdcDst, pimldp->x, pimldp->y, cx, cy, hImageDC, 0, 0, dwRop);
1569
1570 bResult = TRUE;
1571 end:
1572 /* cleanup the mess */
1573 SetBkColor(hImageDC, oldImageBk);
1574 SetTextColor(hImageDC, oldImageFg);
1575 SelectObject(hImageDC, hOldImageBmp);
1576 cleanup:
1577 DeleteObject(hBlendMaskBmp);
1578 DeleteObject(hImageBmp);
1579 DeleteDC(hImageDC);
1580
1581 return bResult;
1582 }
1583
1584
1585 /*************************************************************************
1586 * ImageList_Duplicate [COMCTL32.@]
1587 *
1588 * Duplicates an image list.
1589 *
1590 * PARAMS
1591 * himlSrc [I] source image list handle
1592 *
1593 * RETURNS
1594 * Success: Handle of duplicated image list.
1595 * Failure: NULL
1596 */
1597
1598 HIMAGELIST WINAPI
1599 ImageList_Duplicate (HIMAGELIST himlSrc)
1600 {
1601 HIMAGELIST himlDst;
1602
1603 if (!is_valid(himlSrc)) {
1604 ERR("Invalid image list handle!\n");
1605 return NULL;
1606 }
1607
1608 himlDst = ImageList_Create (himlSrc->cx, himlSrc->cy, himlSrc->flags,
1609 himlSrc->cCurImage, himlSrc->cGrow);
1610
1611 if (himlDst)
1612 {
1613 SIZE sz;
1614
1615 imagelist_get_bitmap_size(himlSrc, himlSrc->cCurImage, &sz);
1616 BitBlt (himlDst->hdcImage, 0, 0, sz.cx, sz.cy,
1617 himlSrc->hdcImage, 0, 0, SRCCOPY);
1618
1619 if (himlDst->hbmMask)
1620 BitBlt (himlDst->hdcMask, 0, 0, sz.cx, sz.cy,
1621 himlSrc->hdcMask, 0, 0, SRCCOPY);
1622
1623 himlDst->cCurImage = himlSrc->cCurImage;
1624 if (himlSrc->has_alpha && himlDst->has_alpha)
1625 memcpy( himlDst->has_alpha, himlSrc->has_alpha, himlDst->cCurImage );
1626 }
1627 return himlDst;
1628 }
1629
1630
1631 /*************************************************************************
1632 * ImageList_EndDrag [COMCTL32.@]
1633 *
1634 * Finishes a drag operation.
1635 *
1636 * PARAMS
1637 * no Parameters
1638 *
1639 * RETURNS
1640 * Success: TRUE
1641 * Failure: FALSE
1642 */
1643
1644 VOID WINAPI
1645 ImageList_EndDrag (void)
1646 {
1647 /* cleanup the InternalDrag struct */
1648 InternalDrag.hwnd = 0;
1649 if (InternalDrag.himl != InternalDrag.himlNoCursor)
1650 ImageList_Destroy (InternalDrag.himlNoCursor);
1651 ImageList_Destroy (InternalDrag.himl);
1652 InternalDrag.himlNoCursor = InternalDrag.himl = 0;
1653 InternalDrag.x= 0;
1654 InternalDrag.y= 0;
1655 InternalDrag.dxHotspot = 0;
1656 InternalDrag.dyHotspot = 0;
1657 InternalDrag.bShow = FALSE;
1658 DeleteObject(InternalDrag.hbmBg);
1659 InternalDrag.hbmBg = 0;
1660 }
1661
1662
1663 /*************************************************************************
1664 * ImageList_GetBkColor [COMCTL32.@]
1665 *
1666 * Returns the background color of an image list.
1667 *
1668 * PARAMS
1669 * himl [I] Image list handle.
1670 *
1671 * RETURNS
1672 * Success: background color
1673 * Failure: CLR_NONE
1674 */
1675
1676 COLORREF WINAPI
1677 ImageList_GetBkColor (HIMAGELIST himl)
1678 {
1679 return himl ? himl->clrBk : CLR_NONE;
1680 }
1681
1682
1683 /*************************************************************************
1684 * ImageList_GetDragImage [COMCTL32.@]
1685 *
1686 * Returns the handle to the internal drag image list.
1687 *
1688 * PARAMS
1689 * ppt [O] Pointer to the drag position. Can be NULL.
1690 * pptHotspot [O] Pointer to the position of the hot spot. Can be NULL.
1691 *
1692 * RETURNS
1693 * Success: Handle of the drag image list.
1694 * Failure: NULL.
1695 */
1696
1697 HIMAGELIST WINAPI
1698 ImageList_GetDragImage (POINT *ppt, POINT *pptHotspot)
1699 {
1700 if (is_valid(InternalDrag.himl)) {
1701 if (ppt) {
1702 ppt->x = InternalDrag.x;
1703 ppt->y = InternalDrag.y;
1704 }
1705 if (pptHotspot) {
1706 pptHotspot->x = InternalDrag.dxHotspot;
1707 pptHotspot->y = InternalDrag.dyHotspot;
1708 }
1709 return (InternalDrag.himl);
1710 }
1711
1712 return NULL;
1713 }
1714
1715
1716 /*************************************************************************
1717 * ImageList_GetFlags [COMCTL32.@]
1718 *
1719 * Gets the flags of the specified image list.
1720 *
1721 * PARAMS
1722 * himl [I] Handle to image list
1723 *
1724 * RETURNS
1725 * Image list flags.
1726 *
1727 * BUGS
1728 * Stub.
1729 */
1730
1731 DWORD WINAPI
1732 ImageList_GetFlags(HIMAGELIST himl)
1733 {
1734 TRACE("%p\n", himl);
1735
1736 return is_valid(himl) ? himl->flags : 0;
1737 }
1738
1739
1740 /*************************************************************************
1741 * ImageList_GetIcon [COMCTL32.@]
1742 *
1743 * Creates an icon from a masked image of an image list.
1744 *
1745 * PARAMS
1746 * himl [I] handle to image list
1747 * i [I] image index
1748 * flags [I] drawing style flags
1749 *
1750 * RETURNS
1751 * Success: icon handle
1752 * Failure: NULL
1753 */
1754
1755 HICON WINAPI
1756 ImageList_GetIcon (HIMAGELIST himl, INT i, UINT fStyle)
1757 {
1758 ICONINFO ii;
1759 HICON hIcon;
1760 HBITMAP hOldDstBitmap;
1761 HDC hdcDst;
1762 POINT pt;
1763
1764 TRACE("%p %d %d\n", himl, i, fStyle);
1765 if (!is_valid(himl) || (i < 0) || (i >= himl->cCurImage)) return NULL;
1766
1767 ii.fIcon = TRUE;
1768 ii.xHotspot = 0;
1769 ii.yHotspot = 0;
1770
1771 /* create colour bitmap */
1772 hdcDst = GetDC(0);
1773 ii.hbmColor = CreateCompatibleBitmap(hdcDst, himl->cx, himl->cy);
1774 ReleaseDC(0, hdcDst);
1775
1776 hdcDst = CreateCompatibleDC(0);
1777
1778 imagelist_point_from_index( himl, i, &pt );
1779
1780 /* draw mask*/
1781 ii.hbmMask = CreateBitmap (himl->cx, himl->cy, 1, 1, NULL);
1782 hOldDstBitmap = SelectObject (hdcDst, ii.hbmMask);
1783 if (himl->hbmMask) {
1784 BitBlt (hdcDst, 0, 0, himl->cx, himl->cy,
1785 himl->hdcMask, pt.x, pt.y, SRCCOPY);
1786 }
1787 else
1788 PatBlt (hdcDst, 0, 0, himl->cx, himl->cy, BLACKNESS);
1789
1790 /* draw image*/
1791 SelectObject (hdcDst, ii.hbmColor);
1792 BitBlt (hdcDst, 0, 0, himl->cx, himl->cy,
1793 himl->hdcImage, pt.x, pt.y, SRCCOPY);
1794
1795 /*
1796 * CreateIconIndirect requires us to deselect the bitmaps from
1797 * the DCs before calling
1798 */
1799 SelectObject(hdcDst, hOldDstBitmap);
1800
1801 hIcon = CreateIconIndirect (&ii);
1802
1803 DeleteObject (ii.hbmMask);
1804 DeleteObject (ii.hbmColor);
1805 DeleteDC (hdcDst);
1806
1807 return hIcon;
1808 }
1809
1810
1811 /*************************************************************************
1812 * ImageList_GetIconSize [COMCTL32.@]
1813 *
1814 * Retrieves the size of an image in an image list.
1815 *
1816 * PARAMS
1817 * himl [I] handle to image list
1818 * cx [O] pointer to the image width.
1819 * cy [O] pointer to the image height.
1820 *
1821 * RETURNS
1822 * Success: TRUE
1823 * Failure: FALSE
1824 *
1825 * NOTES
1826 * All images in an image list have the same size.
1827 */
1828
1829 BOOL WINAPI
1830 ImageList_GetIconSize (HIMAGELIST himl, INT *cx, INT *cy)
1831 {
1832 if (!is_valid(himl) || !cx || !cy)
1833 return FALSE;
1834 if ((himl->cx <= 0) || (himl->cy <= 0))
1835 return FALSE;
1836
1837 *cx = himl->cx;
1838 *cy = himl->cy;
1839
1840 return TRUE;
1841 }
1842
1843
1844 /*************************************************************************
1845 * ImageList_GetImageCount [COMCTL32.@]
1846 *
1847 * Returns the number of images in an image list.
1848 *
1849 * PARAMS
1850 * himl [I] handle to image list
1851 *
1852 * RETURNS
1853 * Success: Number of images.
1854 * Failure: 0
1855 */
1856
1857 INT WINAPI
1858 ImageList_GetImageCount (HIMAGELIST himl)
1859 {
1860 if (!is_valid(himl))
1861 return 0;
1862
1863 return himl->cCurImage;
1864 }
1865
1866
1867 /*************************************************************************
1868 * ImageList_GetImageInfo [COMCTL32.@]
1869 *
1870 * Returns information about an image in an image list.
1871 *
1872 * PARAMS
1873 * himl [I] handle to image list
1874 * i [I] image index
1875 * pImageInfo [O] pointer to the image information
1876 *
1877 * RETURNS
1878 * Success: TRUE
1879 * Failure: FALSE
1880 */
1881
1882 BOOL WINAPI
1883 ImageList_GetImageInfo (HIMAGELIST himl, INT i, IMAGEINFO *pImageInfo)
1884 {
1885 POINT pt;
1886
1887 if (!is_valid(himl) || (pImageInfo == NULL))
1888 return FALSE;
1889 if ((i < 0) || (i >= himl->cCurImage))
1890 return FALSE;
1891
1892 pImageInfo->hbmImage = himl->hbmImage;
1893 pImageInfo->hbmMask = himl->hbmMask;
1894
1895 imagelist_point_from_index( himl, i, &pt );
1896 pImageInfo->rcImage.top = pt.y;
1897 pImageInfo->rcImage.bottom = pt.y + himl->cy;
1898 pImageInfo->rcImage.left = pt.x;
1899 pImageInfo->rcImage.right = pt.x + himl->cx;
1900
1901 return TRUE;
1902 }
1903
1904
1905 /*************************************************************************
1906 * ImageList_GetImageRect [COMCTL32.@]
1907 *
1908 * Retrieves the rectangle of the specified image in an image list.
1909 *
1910 * PARAMS
1911 * himl [I] handle to image list
1912 * i [I] image index
1913 * lpRect [O] pointer to the image rectangle
1914 *
1915 * RETURNS
1916 * Success: TRUE
1917 * Failure: FALSE
1918 *
1919 * NOTES
1920 * This is an UNDOCUMENTED function!!!
1921 */
1922
1923 BOOL WINAPI
1924 ImageList_GetImageRect (HIMAGELIST himl, INT i, LPRECT lpRect)
1925 {
1926 POINT pt;
1927
1928 if (!is_valid(himl) || (lpRect == NULL))
1929 return FALSE;
1930 if ((i < 0) || (i >= himl->cCurImage))
1931 return FALSE;
1932
1933 imagelist_point_from_index( himl, i, &pt );
1934 lpRect->left = pt.x;
1935 lpRect->top = pt.y;
1936 lpRect->right = pt.x + himl->cx;
1937 lpRect->bottom = pt.y + himl->cy;
1938
1939 return TRUE;
1940 }
1941
1942
1943 /*************************************************************************
1944 * ImageList_LoadImage [COMCTL32.@]
1945 * ImageList_LoadImageA [COMCTL32.@]
1946 *
1947 * Creates an image list from a bitmap, icon or cursor.
1948 *
1949 * See ImageList_LoadImageW.
1950 */
1951
1952 HIMAGELIST WINAPI
1953 ImageList_LoadImageA (HINSTANCE hi, LPCSTR lpbmp, INT cx, INT cGrow,
1954 COLORREF clrMask, UINT uType, UINT uFlags)
1955 {
1956 HIMAGELIST himl;
1957 LPWSTR lpbmpW;
1958 DWORD len;
1959
1960 if (IS_INTRESOURCE(lpbmp))
1961 return ImageList_LoadImageW(hi, (LPCWSTR)lpbmp, cx, cGrow, clrMask,
1962 uType, uFlags);
1963
1964 len = MultiByteToWideChar(CP_ACP, 0, lpbmp, -1, NULL, 0);
1965 lpbmpW = Alloc(len * sizeof(WCHAR));
1966 MultiByteToWideChar(CP_ACP, 0, lpbmp, -1, lpbmpW, len);
1967
1968 himl = ImageList_LoadImageW(hi, lpbmpW, cx, cGrow, clrMask, uType, uFlags);
1969 Free (lpbmpW);
1970 return himl;
1971 }
1972
1973
1974 /*************************************************************************
1975 * ImageList_LoadImageW [COMCTL32.@]
1976 *
1977 * Creates an image list from a bitmap, icon or cursor.
1978 *
1979 * PARAMS
1980 * hi [I] instance handle
1981 * lpbmp [I] name or id of the image
1982 * cx [I] width of each image
1983 * cGrow [I] number of images to expand
1984 * clrMask [I] mask color
1985 * uType [I] type of image to load
1986 * uFlags [I] loading flags
1987 *
1988 * RETURNS
1989 * Success: handle to the loaded image list
1990 * Failure: NULL
1991 *
1992 * SEE
1993 * LoadImage ()
1994 */
1995
1996 HIMAGELIST WINAPI
1997 ImageList_LoadImageW (HINSTANCE hi, LPCWSTR lpbmp, INT cx, INT cGrow,
1998 COLORREF clrMask, UINT uType, UINT uFlags)
1999 {
2000 HIMAGELIST himl = NULL;
2001 HANDLE handle;
2002 INT nImageCount;
2003
2004 handle = LoadImageW (hi, lpbmp, uType, 0, 0, uFlags);
2005 if (!handle) {
2006 WARN("Couldn't load image\n");
2007 return NULL;
2008 }
2009
2010 if (uType == IMAGE_BITMAP) {
2011 DIBSECTION dib;
2012 UINT color;
2013
2014 if (GetObjectW (handle, sizeof(dib), &dib) == sizeof(BITMAP)) color = ILC_COLOR;
2015 else color = dib.dsBm.bmBitsPixel;
2016
2017 /* To match windows behavior, if cx is set to zero and
2018 the flag DI_DEFAULTSIZE is specified, cx becomes the
2019 system metric value for icons. If the flag is not specified
2020 the function sets the size to the height of the bitmap */
2021 if (cx == 0)
2022 {
2023 if (uFlags & DI_DEFAULTSIZE)
2024 cx = GetSystemMetrics (SM_CXICON);
2025 else
2026 cx = dib.dsBm.bmHeight;
2027 }
2028
2029 nImageCount = dib.dsBm.bmWidth / cx;
2030
2031 himl = ImageList_Create (cx, dib.dsBm.bmHeight, ILC_MASK | color, nImageCount, cGrow);
2032 if (!himl) {
2033 DeleteObject (handle);
2034 return NULL;
2035 }
2036 ImageList_AddMasked (himl, handle, clrMask);
2037 }
2038 else if ((uType == IMAGE_ICON) || (uType == IMAGE_CURSOR)) {
2039 ICONINFO ii;
2040 BITMAP bmp;
2041
2042 GetIconInfo (handle, &ii);
2043 GetObjectW (ii.hbmColor, sizeof(BITMAP), &bmp);
2044 himl = ImageList_Create (bmp.bmWidth, bmp.bmHeight,
2045 ILC_MASK | ILC_COLOR, 1, cGrow);
2046 if (!himl) {
2047 DeleteObject (ii.hbmColor);
2048 DeleteObject (ii.hbmMask);
2049 DeleteObject (handle);
2050 return NULL;
2051 }
2052 ImageList_Add (himl, ii.hbmColor, ii.hbmMask);
2053 DeleteObject (ii.hbmColor);
2054 DeleteObject (ii.hbmMask);
2055 }
2056
2057 DeleteObject (handle);
2058
2059 return himl;
2060 }
2061
2062
2063 /*************************************************************************
2064 * ImageList_Merge [COMCTL32.@]
2065 *
2066 * Create an image list containing a merged image from two image lists.
2067 *
2068 * PARAMS
2069 * himl1 [I] handle to first image list
2070 * i1 [I] first image index
2071 * himl2 [I] handle to second image list
2072 * i2 [I] second image index
2073 * dx [I] X offset of the second image relative to the first.
2074 * dy [I] Y offset of the second image relative to the first.
2075 *
2076 * RETURNS
2077 * Success: The newly created image list. It contains a single image
2078 * consisting of the second image merged with the first.
2079 * Failure: NULL, if either himl1 or himl2 is invalid.
2080 *
2081 * NOTES
2082 * - The returned image list should be deleted by the caller using
2083 * ImageList_Destroy() when it is no longer required.
2084 * - If either i1 or i2 is not a valid image index, they will be treated
2085 * as blank images.
2086 */
2087 HIMAGELIST WINAPI
2088 ImageList_Merge (HIMAGELIST himl1, INT i1, HIMAGELIST himl2, INT i2,
2089 INT dx, INT dy)
2090 {
2091 HIMAGELIST himlDst = NULL;
2092 INT cxDst, cyDst;
2093 INT xOff1, yOff1, xOff2, yOff2;
2094 POINT pt1, pt2;
2095 INT newFlags;
2096
2097 TRACE("(himl1=%p i1=%d himl2=%p i2=%d dx=%d dy=%d)\n", himl1, i1, himl2,
2098 i2, dx, dy);
2099
2100 if (!is_valid(himl1) || !is_valid(himl2))
2101 return NULL;
2102
2103 if (dx > 0) {
2104 cxDst = max (himl1->cx, dx + himl2->cx);
2105 xOff1 = 0;
2106 xOff2 = dx;
2107 }
2108 else if (dx < 0) {
2109 cxDst = max (himl2->cx, himl1->cx - dx);
2110 xOff1 = -dx;
2111 xOff2 = 0;
2112 }
2113 else {
2114 cxDst = max (himl1->cx, himl2->cx);
2115 xOff1 = 0;
2116 xOff2 = 0;
2117 }
2118
2119 if (dy > 0) {
2120 cyDst = max (himl1->cy, dy + himl2->cy);
2121 yOff1 = 0;
2122 yOff2 = dy;
2123 }
2124 else if (dy < 0) {
2125 cyDst = max (himl2->cy, himl1->cy - dy);
2126 yOff1 = -dy;
2127 yOff2 = 0;
2128 }
2129 else {
2130 cyDst = max (himl1->cy, himl2->cy);
2131 yOff1 = 0;
2132 yOff2 = 0;
2133 }
2134
2135 newFlags = (himl1->flags > himl2->flags ? himl1->flags : himl2->flags) & ILC_COLORDDB;
2136 if (newFlags == ILC_COLORDDB && (himl1->flags & ILC_COLORDDB) == ILC_COLOR16)
2137 newFlags = ILC_COLOR16; /* this is what native (at least v5) does, don't know why */
2138 himlDst = ImageList_Create (cxDst, cyDst, ILC_MASK | newFlags, 1, 1);
2139
2140 if (himlDst)
2141 {
2142 imagelist_point_from_index( himl1, i1, &pt1 );
2143 imagelist_point_from_index( himl2, i2, &pt2 );
2144
2145 /* copy image */
2146 BitBlt (himlDst->hdcImage, 0, 0, cxDst, cyDst, himl1->hdcImage, 0, 0, BLACKNESS);
2147 if (i1 >= 0 && i1 < himl1->cCurImage)
2148 BitBlt (himlDst->hdcImage, xOff1, yOff1, himl1->cx, himl1->cy, himl1->hdcImage, pt1.x, pt1.y, SRCCOPY);
2149 if (i2 >= 0 && i2 < himl2->cCurImage)
2150 {
2151 if (himl2->flags & ILC_MASK)
2152 {
2153 BitBlt (himlDst->hdcImage, xOff2, yOff2, himl2->cx, himl2->cy, himl2->hdcMask , pt2.x, pt2.y, SRCAND);
2154 BitBlt (himlDst->hdcImage, xOff2, yOff2, himl2->cx, himl2->cy, himl2->hdcImage, pt2.x, pt2.y, SRCPAINT);
2155 }
2156 else
2157 BitBlt (himlDst->hdcImage, xOff2, yOff2, himl2->cx, himl2->cy, himl2->hdcImage, pt2.x, pt2.y, SRCCOPY);
2158 }
2159
2160 /* copy mask */
2161 BitBlt (himlDst->hdcMask, 0, 0, cxDst, cyDst, himl1->hdcMask, 0, 0, WHITENESS);
2162 if (i1 >= 0 && i1 < himl1->cCurImage)
2163 BitBlt (himlDst->hdcMask, xOff1, yOff1, himl1->cx, himl1->cy, himl1->hdcMask, pt1.x, pt1.y, SRCCOPY);
2164 if (i2 >= 0 && i2 < himl2->cCurImage)
2165 BitBlt (himlDst->hdcMask, xOff2, yOff2, himl2->cx, himl2->cy, himl2->hdcMask, pt2.x, pt2.y, SRCAND);
2166
2167 himlDst->cCurImage = 1;
2168 }
2169
2170 return himlDst;
2171 }
2172
2173
2174 /* helper for ImageList_Read, see comments below */
2175 static void *read_bitmap(LPSTREAM pstm, BITMAPINFO *bmi)
2176 {
2177 BITMAPFILEHEADER bmfh;
2178 int bitsperpixel, palspace;
2179 void *bits;
2180
2181 if (FAILED(IStream_Read ( pstm, &bmfh, sizeof(bmfh), NULL)))
2182 return NULL;
2183
2184 if (bmfh.bfType != (('M'<<8)|'B'))
2185 return NULL;
2186
2187 if (FAILED(IStream_Read ( pstm, &bmi->bmiHeader, sizeof(bmi->bmiHeader), NULL)))
2188 return NULL;
2189
2190 if ((bmi->bmiHeader.biSize != sizeof(bmi->bmiHeader)))
2191 return NULL;
2192
2193 TRACE("width %u, height %u, planes %u, bpp %u\n",
2194 bmi->bmiHeader.biWidth, bmi->bmiHeader.biHeight,
2195 bmi->bmiHeader.biPlanes, bmi->bmiHeader.biBitCount);
2196
2197 bitsperpixel = bmi->bmiHeader.biPlanes * bmi->bmiHeader.biBitCount;
2198 if (bitsperpixel<=8)
2199 palspace = (1<<bitsperpixel)*sizeof(RGBQUAD);
2200 else
2201 palspace = 0;
2202
2203 bmi->bmiHeader.biSizeImage = get_dib_image_size( bmi );
2204
2205 /* read the palette right after the end of the bitmapinfoheader */
2206 if (palspace && FAILED(IStream_Read(pstm, bmi->bmiColors, palspace, NULL)))
2207 return NULL;
2208
2209 bits = Alloc(bmi->bmiHeader.biSizeImage);
2210 if (!bits) return NULL;
2211
2212 if (FAILED(IStream_Read(pstm, bits, bmi->bmiHeader.biSizeImage, NULL)))
2213 {
2214 Free(bits);
2215 return NULL;
2216 }
2217 return bits;
2218 }
2219
2220 /*************************************************************************
2221 * ImageList_Read [COMCTL32.@]
2222 *
2223 * Reads an image list from a stream.
2224 *
2225 * PARAMS
2226 * pstm [I] pointer to a stream
2227 *
2228 * RETURNS
2229 * Success: handle to image list
2230 * Failure: NULL
2231 *
2232 * The format is like this:
2233 * ILHEAD ilheadstruct;
2234 *
2235 * for the color image part:
2236 * BITMAPFILEHEADER bmfh;
2237 * BITMAPINFOHEADER bmih;
2238 * only if it has a palette:
2239 * RGBQUAD rgbs[nr_of_paletted_colors];
2240 *
2241 * BYTE colorbits[imagesize];
2242 *
2243 * the following only if the ILC_MASK bit is set in ILHEAD.ilFlags:
2244 * BITMAPFILEHEADER bmfh_mask;
2245 * BITMAPINFOHEADER bmih_mask;
2246 * only if it has a palette (it usually does not):
2247 * RGBQUAD rgbs[nr_of_paletted_colors];
2248 *
2249 * BYTE maskbits[imagesize];
2250 */
2251 HIMAGELIST WINAPI ImageList_Read (LPSTREAM pstm)
2252 {
2253 char image_buf[sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256];
2254 char mask_buf[sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256];
2255 BITMAPINFO *image_info = (BITMAPINFO *)image_buf;
2256 BITMAPINFO *mask_info = (BITMAPINFO *)mask_buf;
2257 void *image_bits, *mask_bits = NULL;
2258 ILHEAD ilHead;
2259 HIMAGELIST himl;
2260 unsigned int i;
2261
2262 TRACE("%p\n", pstm);
2263
2264 if (FAILED(IStream_Read (pstm, &ilHead, sizeof(ILHEAD), NULL)))
2265 return NULL;
2266 if (ilHead.usMagic != (('L' << 8) | 'I'))
2267 return NULL;
2268 if (ilHead.usVersion != 0x101) /* probably version? */
2269 return NULL;
2270
2271 TRACE("cx %u, cy %u, flags 0x%04x, cCurImage %u, cMaxImage %u\n",
2272 ilHead.cx, ilHead.cy, ilHead.flags, ilHead.cCurImage, ilHead.cMaxImage);
2273
2274 himl = ImageList_Create(ilHead.cx, ilHead.cy, ilHead.flags, ilHead.cCurImage, ilHead.cMaxImage);
2275 if (!himl)
2276 return NULL;
2277
2278 if (!(image_bits = read_bitmap(pstm, image_info)))
2279 {
2280 WARN("failed to read bitmap from stream\n");
2281 return NULL;
2282 }
2283 if (ilHead.flags & ILC_MASK)
2284 {
2285 if (!(mask_bits = read_bitmap(pstm, mask_info)))
2286 {
2287 WARN("failed to read mask bitmap from stream\n");
2288 return NULL;
2289 }
2290 }
2291 else mask_info = NULL;
2292
2293 if (himl->has_alpha && image_info->bmiHeader.biBitCount == 32)
2294 {
2295 DWORD *ptr = image_bits;
2296 BYTE *mask_ptr = mask_bits;
2297 int stride = himl->cy * image_info->bmiHeader.biWidth;
2298
2299 if (image_info->bmiHeader.biHeight > 0) /* bottom-up */
2300 {
2301 ptr += image_info->bmiHeader.biHeight * image_info->bmiHeader.biWidth - stride;
2302 mask_ptr += (image_info->bmiHeader.biHeight * image_info->bmiHeader.biWidth - stride) / 8;
2303 stride = -stride;
2304 image_info->bmiHeader.biHeight = himl->cy;
2305 }
2306 else image_info->bmiHeader.biHeight = -himl->cy;
2307
2308 for (i = 0; i < ilHead.cCurImage; i += TILE_COUNT)
2309 {
2310 add_dib_bits( himl, i, min( ilHead.cCurImage - i, TILE_COUNT ),
2311 himl->cx, himl->cy, image_info, mask_info, ptr, mask_ptr );
2312 ptr += stride;
2313 mask_ptr += stride / 8;
2314 }
2315 }
2316 else
2317 {
2318 StretchDIBits( himl->hdcImage, 0, 0, image_info->bmiHeader.biWidth, image_info->bmiHeader.biHeight,
2319 0, 0, image_info->bmiHeader.biWidth, image_info->bmiHeader.biHeight,
2320 image_bits, image_info, DIB_RGB_COLORS, SRCCOPY);
2321 if (mask_info)
2322 StretchDIBits( himl->hdcMask, 0, 0, mask_info->bmiHeader.biWidth, mask_info->bmiHeader.biHeight,
2323 0, 0, mask_info->bmiHeader.biWidth, mask_info->bmiHeader.biHeight,
2324 mask_bits, mask_info, DIB_RGB_COLORS, SRCCOPY);
2325 }
2326 Free( image_bits );
2327 Free( mask_bits );
2328
2329 himl->cCurImage = ilHead.cCurImage;
2330 himl->cMaxImage = ilHead.cMaxImage;
2331
2332 ImageList_SetBkColor(himl,ilHead.bkcolor);
2333 for (i=0;i<4;i++)
2334 ImageList_SetOverlayImage(himl,ilHead.ovls[i],i+1);
2335 return himl;
2336 }
2337
2338
2339 /*************************************************************************
2340 * ImageList_Remove [COMCTL32.@]
2341 *
2342 * Removes an image from an image list
2343 *
2344 * PARAMS
2345 * himl [I] image list handle
2346 * i [I] image index
2347 *
2348 * RETURNS
2349 * Success: TRUE
2350 * Failure: FALSE
2351 *
2352 * FIXME: as the image list storage test shows, native comctl32 simply shifts
2353 * images without creating a new bitmap.
2354 */
2355 BOOL WINAPI
2356 ImageList_Remove (HIMAGELIST himl, INT i)
2357 {
2358 HBITMAP hbmNewImage, hbmNewMask;
2359 HDC hdcBmp;
2360 SIZE sz;
2361
2362 TRACE("(himl=%p i=%d)\n", himl, i);
2363
2364 if (!is_valid(himl)) {
2365 ERR("Invalid image list handle!\n");
2366 return FALSE;
2367 }
2368
2369 if ((i < -1) || (i >= himl->cCurImage)) {
2370 TRACE("index out of range! %d\n", i);
2371 return FALSE;
2372 }
2373
2374 if (i == -1) {
2375 INT nCount;
2376
2377 /* remove all */
2378 if (himl->cCurImage == 0) {
2379 /* remove all on empty ImageList is allowed */
2380 TRACE("remove all on empty ImageList!\n");
2381 return TRUE;
2382 }
2383
2384 himl->cMaxImage = himl->cGrow;
2385 himl->cCurImage = 0;
2386 for (nCount = 0; nCount < MAX_OVERLAYIMAGE; nCount++)
2387 himl->nOvlIdx[nCount] = -1;
2388
2389 if (himl->has_alpha)
2390 {
2391 HeapFree( GetProcessHeap(), 0, himl->has_alpha );
2392 himl->has_alpha = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, himl->cMaxImage );
2393 }
2394
2395 hbmNewImage = ImageList_CreateImage(himl->hdcImage, himl, himl->cMaxImage);
2396 SelectObject (himl->hdcImage, hbmNewImage);
2397 DeleteObject (himl->hbmImage);
2398 himl->hbmImage = hbmNewImage;
2399
2400 if (himl->hbmMask) {
2401
2402 imagelist_get_bitmap_size(himl, himl->cMaxImage, &sz);
2403 hbmNewMask = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
2404 SelectObject (himl->hdcMask, hbmNewMask);
2405 DeleteObject (himl->hbmMask);
2406 himl->hbmMask = hbmNewMask;
2407 }
2408 }
2409 else {
2410 /* delete one image */
2411 TRACE("Remove single image! %d\n", i);
2412
2413 /* create new bitmap(s) */
2414 TRACE(" - Number of images: %d / %d (Old/New)\n",
2415 himl->cCurImage, himl->cCurImage - 1);
2416
2417 hbmNewImage = ImageList_CreateImage(himl->hdcImage, himl, himl->cMaxImage);
2418
2419 imagelist_get_bitmap_size(himl, himl->cMaxImage, &sz );
2420 if (himl->hbmMask)
2421 hbmNewMask = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
2422 else
2423 hbmNewMask = 0; /* Just to keep compiler happy! */
2424
2425 hdcBmp = CreateCompatibleDC (0);
2426
2427 /* copy all images and masks prior to the "removed" image */
2428 if (i > 0) {
2429 TRACE("Pre image copy: Copy %d images\n", i);
2430
2431 SelectObject (hdcBmp, hbmNewImage);
2432 imagelist_copy_images( himl, himl->hdcImage, hdcBmp, 0, i, 0 );
2433
2434 if (himl->hbmMask) {
2435 SelectObject (hdcBmp, hbmNewMask);
2436 imagelist_copy_images( himl, himl->hdcMask, hdcBmp, 0, i, 0 );
2437 }
2438 }
2439
2440 /* copy all images and masks behind the removed image */
2441 if (i < himl->cCurImage - 1) {
2442 TRACE("Post image copy!\n");
2443
2444 SelectObject (hdcBmp, hbmNewImage);
2445 imagelist_copy_images( himl, himl->hdcImage, hdcBmp, i + 1,
2446 (himl->cCurImage - i), i );
2447
2448 if (himl->hbmMask) {
2449 SelectObject (hdcBmp, hbmNewMask);
2450 imagelist_copy_images( himl, himl->hdcMask, hdcBmp, i + 1,
2451 (himl->cCurImage - i), i );
2452 }
2453 }
2454
2455 DeleteDC (hdcBmp);
2456
2457 /* delete old images and insert new ones */
2458 SelectObject (himl->hdcImage, hbmNewImage);
2459 DeleteObject (himl->hbmImage);
2460 himl->hbmImage = hbmNewImage;
2461 if (himl->hbmMask) {
2462 SelectObject (himl->hdcMask, hbmNewMask);
2463 DeleteObject (himl->hbmMask);
2464 himl->hbmMask = hbmNewMask;
2465 }
2466
2467 himl->cCurImage--;
2468 }
2469
2470 return TRUE;
2471 }
2472
2473
2474 /*************************************************************************
2475 * ImageList_Replace [COMCTL32.@]
2476 *
2477 * Replaces an image in an image list with a new image.
2478 *
2479 * PARAMS
2480 * himl [I] handle to image list
2481 * i [I] image index
2482 * hbmImage [I] handle to image bitmap
2483 * hbmMask [I] handle to mask bitmap. Can be NULL.
2484 *
2485 * RETURNS
2486 * Success: TRUE
2487 * Failure: FALSE
2488 */
2489
2490 BOOL WINAPI
2491 ImageList_Replace (HIMAGELIST himl, INT i, HBITMAP hbmImage,
2492 HBITMAP hbmMask)
2493 {
2494 HDC hdcImage;
2495 BITMAP bmp;
2496 POINT pt;
2497
2498 TRACE("%p %d %p %p\n", himl, i, hbmImage, hbmMask);
2499
2500 if (!is_valid(himl)) {
2501 ERR("Invalid image list handle!\n");
2502 return FALSE;
2503 }
2504
2505 if ((i >= himl->cMaxImage) || (i < 0)) {
2506 ERR("Invalid image index!\n");
2507 return FALSE;
2508 }
2509
2510 if (!GetObjectW(hbmImage, sizeof(BITMAP), &bmp))
2511 return FALSE;
2512
2513 hdcImage = CreateCompatibleDC (0);
2514
2515 /* Replace Image */
2516 SelectObject (hdcImage, hbmImage);
2517
2518 if (add_with_alpha( himl, hdcImage, i, 1, bmp.bmWidth, bmp.bmHeight, hbmImage, hbmMask ))
2519 goto done;
2520
2521 imagelist_point_from_index(himl, i, &pt);
2522 StretchBlt (himl->hdcImage, pt.x, pt.y, himl->cx, himl->cy,
2523 hdcImage, 0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY);
2524
2525 if (himl->hbmMask)
2526 {
2527 HDC hdcTemp;
2528 HBITMAP hOldBitmapTemp;
2529
2530 hdcTemp = CreateCompatibleDC(0);
2531 hOldBitmapTemp = SelectObject(hdcTemp, hbmMask);
2532
2533 StretchBlt (himl->hdcMask, pt.x, pt.y, himl->cx, himl->cy,
2534 hdcTemp, 0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY);
2535 SelectObject(hdcTemp, hOldBitmapTemp);
2536 DeleteDC(hdcTemp);
2537
2538 /* Remove the background from the image
2539 */
2540 BitBlt (himl->hdcImage, pt.x, pt.y, bmp.bmWidth, bmp.bmHeight,
2541 himl->hdcMask, pt.x, pt.y, 0x220326); /* NOTSRCAND */
2542 }
2543
2544 done:
2545 DeleteDC (hdcImage);
2546
2547 return TRUE;
2548 }
2549
2550
2551 /*************************************************************************
2552 * ImageList_ReplaceIcon [COMCTL32.@]
2553 *
2554 * Replaces an image in an image list using an icon.
2555 *
2556 * PARAMS
2557 * himl [I] handle to image list
2558 * i [I] image index
2559 * hIcon [I] handle to icon
2560 *
2561 * RETURNS
2562 * Success: index of the replaced image
2563 * Failure: -1
2564 */
2565
2566 INT WINAPI
2567 ImageList_ReplaceIcon (HIMAGELIST himl, INT nIndex, HICON hIcon)
2568 {
2569 HICON hBestFitIcon;
2570 ICONINFO ii;
2571 BITMAP bmp;
2572 BOOL ret;
2573 POINT pt;
2574
2575 TRACE("(%p %d %p)\n", himl, nIndex, hIcon);
2576
2577 if (!is_valid(himl)) {
2578 ERR("invalid image list\n");
2579 return -1;
2580 }
2581 if ((nIndex >= himl->cMaxImage) || (nIndex < -1)) {
2582 ERR("invalid image index %d / %d\n", nIndex, himl->cMaxImage);
2583 return -1;
2584 }
2585
2586 hBestFitIcon = CopyImage(
2587 hIcon, IMAGE_ICON,
2588 himl->cx, himl->cy,
2589 LR_COPYFROMRESOURCE);
2590 /* the above will fail if the icon wasn't loaded from a resource, so try
2591 * again without LR_COPYFROMRESOURCE flag */
2592 if (!hBestFitIcon)
2593 hBestFitIcon = CopyImage(
2594 hIcon, IMAGE_ICON,
2595 himl->cx, himl->cy,
2596 0);
2597 if (!hBestFitIcon)
2598 return -1;
2599
2600 if (nIndex == -1) {
2601 if (himl->cCurImage + 1 >= himl->cMaxImage)
2602 IMAGELIST_InternalExpandBitmaps(himl, 1);
2603
2604 nIndex = himl->cCurImage;
2605 himl->cCurImage++;
2606 }
2607
2608 if (himl->has_alpha && GetIconInfo (hBestFitIcon, &ii))
2609 {
2610 HDC hdcImage = CreateCompatibleDC( 0 );
2611 GetObjectW (ii.hbmMask, sizeof(BITMAP), &bmp);
2612
2613 if (!ii.hbmColor)
2614 {
2615 UINT height = bmp.bmHeight / 2;
2616 HDC hdcMask = CreateCompatibleDC( 0 );
2617 HBITMAP color = CreateBitmap( bmp.bmWidth, height, 1, 1, NULL );
2618 SelectObject( hdcImage, color );
2619 SelectObject( hdcMask, ii.hbmMask );
2620 BitBlt( hdcImage, 0, 0, bmp.bmWidth, height, hdcMask, 0, height, SRCCOPY );
2621 ret = add_with_alpha( himl, hdcImage, nIndex, 1, bmp.bmWidth, height, color, ii.hbmMask );
2622 DeleteDC( hdcMask );
2623 DeleteObject( color );
2624 }
2625 else ret = add_with_alpha( himl, hdcImage, nIndex, 1, bmp.bmWidth, bmp.bmHeight,
2626 ii.hbmColor, ii.hbmMask );
2627
2628 DeleteDC( hdcImage );
2629 DeleteObject (ii.hbmMask);
2630 if (ii.hbmColor) DeleteObject (ii.hbmColor);
2631 if (ret) goto done;
2632 }
2633
2634 imagelist_point_from_index(himl, nIndex, &pt);
2635
2636 if (himl->hbmMask)
2637 {
2638 DrawIconEx( himl->hdcImage, pt.x, pt.y, hBestFitIcon, himl->cx, himl->cy, 0, 0, DI_IMAGE );
2639 PatBlt( himl->hdcMask, pt.x, pt.y, himl->cx, himl->cy, WHITENESS );
2640 DrawIconEx( himl->hdcMask, pt.x, pt.y, hBestFitIcon, himl->cx, himl->cy, 0, 0, DI_MASK );
2641 }
2642 else
2643 {
2644 COLORREF color = himl->clrBk != CLR_NONE ? himl->clrBk : comctl32_color.clrWindow;
2645 HBRUSH brush = CreateSolidBrush( GetNearestColor( himl->hdcImage, color ));
2646
2647 SelectObject( himl->hdcImage, brush );
2648 PatBlt( himl->hdcImage, pt.x, pt.y, himl->cx, himl->cy, PATCOPY );
2649 SelectObject( himl->hdcImage, GetStockObject(BLACK_BRUSH) );
2650 DeleteObject( brush );
2651 DrawIconEx( himl->hdcImage, pt.x, pt.y, hBestFitIcon, himl->cx, himl->cy, 0, 0, DI_NORMAL );
2652 }
2653
2654 done:
2655 DestroyIcon(hBestFitIcon);
2656
2657 TRACE("Insert index = %d, himl->cCurImage = %d\n", nIndex, himl->cCurImage);
2658 return nIndex;
2659 }
2660
2661
2662 /*************************************************************************
2663 * ImageList_SetBkColor [COMCTL32.@]
2664 *
2665 * Sets the background color of an image list.
2666 *
2667 * PARAMS
2668 * himl [I] handle to image list
2669 * clrBk [I] background color
2670 *
2671 * RETURNS
2672 * Success: previous background color
2673 * Failure: CLR_NONE
2674 */
2675
2676 COLORREF WINAPI
2677 ImageList_SetBkColor (HIMAGELIST himl, COLORREF clrBk)
2678 {
2679 COLORREF clrOldBk;
2680
2681 if (!is_valid(himl))
2682 return CLR_NONE;
2683
2684 clrOldBk = himl->clrBk;
2685 himl->clrBk = clrBk;
2686 return clrOldBk;
2687 }
2688
2689
2690 /*************************************************************************
2691 * ImageList_SetDragCursorImage [COMCTL32.@]
2692 *
2693 * Combines the specified image with the current drag image
2694 *
2695 * PARAMS
2696 * himlDrag [I] handle to drag image list
2697 * iDrag [I] drag image index
2698 * dxHotspot [I] X position of the hot spot
2699 * dyHotspot [I] Y position of the hot spot
2700 *
2701 * RETURNS
2702 * Success: TRUE
2703 * Failure: FALSE
2704 *
2705 * NOTES
2706 * - The names dxHotspot, dyHotspot are misleading because they have nothing
2707 * to do with a hotspot but are only the offset of the origin of the new
2708 * image relative to the origin of the old image.
2709 *
2710 * - When this function is called and the drag image is visible, a
2711 * short flickering occurs but this matches the Win9x behavior. It is
2712 * possible to fix the flickering using code like in ImageList_DragMove.
2713 */
2714
2715 BOOL WINAPI
2716 ImageList_SetDragCursorImage (HIMAGELIST himlDrag, INT iDrag,
2717 INT dxHotspot, INT dyHotspot)
2718 {
2719 HIMAGELIST himlTemp;
2720 BOOL visible;
2721
2722 if (!is_valid(InternalDrag.himl) || !is_valid(himlDrag))
2723 return FALSE;
2724
2725 TRACE(" dxH=%d dyH=%d nX=%d nY=%d\n",
2726 dxHotspot, dyHotspot, InternalDrag.dxHotspot, InternalDrag.dyHotspot);
2727
2728 visible = InternalDrag.bShow;
2729
2730 himlTemp = ImageList_Merge (InternalDrag.himlNoCursor, 0, himlDrag, iDrag,
2731 dxHotspot, dyHotspot);
2732
2733 if (visible) {
2734 /* hide the drag image */
2735 ImageList_DragShowNolock(FALSE);
2736 }
2737 if ((InternalDrag.himl->cx != himlTemp->cx) ||
2738 (InternalDrag.himl->cy != himlTemp->cy)) {
2739 /* the size of the drag image changed, invalidate the buffer */
2740 DeleteObject(InternalDrag.hbmBg);
2741 InternalDrag.hbmBg = 0;
2742 }
2743
2744 if (InternalDrag.himl != InternalDrag.himlNoCursor)
2745 ImageList_Destroy (InternalDrag.himl);
2746 InternalDrag.himl = himlTemp;
2747
2748 if (visible) {
2749 /* show the drag image */
2750 ImageList_DragShowNolock(TRUE);
2751 }
2752
2753 return TRUE;
2754 }
2755
2756
2757 /*************************************************************************
2758 * ImageList_SetFilter [COMCTL32.@]
2759 *
2760 * Sets a filter (or does something completely different)!!???
2761 * It removes 12 Bytes from the stack (3 Parameters).
2762 *
2763 * PARAMS
2764 * himl [I] SHOULD be a handle to image list
2765 * i [I] COULD be an index?
2766 * dwFilter [I] ???
2767 *
2768 * RETURNS
2769 * Success: TRUE ???
2770 * Failure: FALSE ???
2771 *
2772 * BUGS
2773 * This is an UNDOCUMENTED function!!!!
2774 * empty stub.
2775 */
2776
2777 BOOL WINAPI
2778 ImageList_SetFilter (HIMAGELIST himl, INT i, DWORD dwFilter)
2779 {
2780 FIXME("(%p 0x%x 0x%x):empty stub!\n", himl, i, dwFilter);
2781
2782 return FALSE;
2783 }
2784
2785
2786 /*************************************************************************
2787 * ImageList_SetFlags [COMCTL32.@]
2788 *
2789 * Sets the image list flags.
2790 *
2791 * PARAMS
2792 * himl [I] Handle to image list
2793 * flags [I] Flags to set
2794 *
2795 * RETURNS
2796 * Old flags?
2797 *
2798 * BUGS
2799 * Stub.
2800 */
2801
2802 DWORD WINAPI
2803 ImageList_SetFlags(HIMAGELIST himl, DWORD flags)
2804 {
2805 FIXME("(%p %08x):empty stub\n", himl, flags);
2806 return 0;
2807 }
2808
2809
2810 /*************************************************************************
2811 * ImageList_SetIconSize [COMCTL32.@]
2812 *
2813 * Sets the image size of the bitmap and deletes all images.
2814 *
2815 * PARAMS
2816 * himl [I] handle to image list
2817 * cx [I] image width
2818 * cy [I] image height
2819 *
2820 * RETURNS
2821 * Success: TRUE
2822 * Failure: FALSE
2823 */
2824
2825 BOOL WINAPI
2826 ImageList_SetIconSize (HIMAGELIST himl, INT cx, INT cy)
2827 {
2828 INT nCount;
2829 HBITMAP hbmNew;
2830
2831 if (!is_valid(himl))
2832 return FALSE;
2833
2834 /* remove all images */
2835 himl->cMaxImage = himl->cInitial + 1;
2836 himl->cCurImage = 0;
2837 himl->cx = cx;
2838 himl->cy = cy;
2839
2840 /* initialize overlay mask indices */
2841 for (nCount = 0; nCount < MAX_OVERLAYIMAGE; nCount++)
2842 himl->nOvlIdx[nCount] = -1;
2843
2844 hbmNew = ImageList_CreateImage(himl->hdcImage, himl, himl->cMaxImage);
2845 SelectObject (himl->hdcImage, hbmNew);
2846 DeleteObject (himl->hbmImage);
2847 himl->hbmImage = hbmNew;
2848
2849 if (himl->hbmMask) {
2850 SIZE sz;
2851 imagelist_get_bitmap_size(himl, himl->cMaxImage, &sz);
2852 hbmNew = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
2853 SelectObject (himl->hdcMask, hbmNew);
2854 DeleteObject (himl->hbmMask);
2855 himl->hbmMask = hbmNew;
2856 }
2857
2858 return TRUE;
2859 }
2860
2861
2862 /*************************************************************************
2863 * ImageList_SetImageCount [COMCTL32.@]
2864 *
2865 * Resizes an image list to the specified number of images.
2866 *
2867 * PARAMS
2868 * himl [I] handle to image list
2869 * iImageCount [I] number of images in the image list
2870 *
2871 * RETURNS
2872 * Success: TRUE
2873 * Failure: FALSE
2874 */
2875
2876 BOOL WINAPI
2877 ImageList_SetImageCount (HIMAGELIST himl, UINT iImageCount)
2878 {
2879 HDC hdcBitmap;
2880 HBITMAP hbmNewBitmap, hbmOld;
2881 INT nNewCount, nCopyCount;
2882
2883 TRACE("%p %d\n",himl,iImageCount);
2884
2885 if (!is_valid(himl))
2886 return FALSE;
2887
2888 nNewCount = iImageCount + 1;
2889 nCopyCount = min(himl->cCurImage, iImageCount);
2890
2891 hdcBitmap = CreateCompatibleDC (0);
2892
2893 hbmNewBitmap = ImageList_CreateImage(hdcBitmap, himl, nNewCount);
2894
2895 if (hbmNewBitmap != 0)
2896 {
2897 hbmOld = SelectObject (hdcBitmap, hbmNewBitmap);
2898 imagelist_copy_images( himl, himl->hdcImage, hdcBitmap, 0, nCopyCount, 0 );
2899 SelectObject (hdcBitmap, hbmOld);
2900
2901 /* FIXME: delete 'empty' image space? */
2902
2903 SelectObject (himl->hdcImage, hbmNewBitmap);
2904 DeleteObject (himl->hbmImage);
2905 himl->hbmImage = hbmNewBitmap;
2906 }
2907 else
2908 ERR("Could not create new image bitmap!\n");
2909
2910 if (himl->hbmMask)
2911 {
2912 SIZE sz;
2913 imagelist_get_bitmap_size( himl, nNewCount, &sz );
2914 hbmNewBitmap = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
2915 if (hbmNewBitmap != 0)
2916 {
2917 hbmOld = SelectObject (hdcBitmap, hbmNewBitmap);
2918 imagelist_copy_images( himl, himl->hdcMask, hdcBitmap, 0, nCopyCount, 0 );
2919 SelectObject (hdcBitmap, hbmOld);
2920
2921 /* FIXME: delete 'empty' image space? */
2922
2923 SelectObject (himl->hdcMask, hbmNewBitmap);
2924 DeleteObject (himl->hbmMask);
2925 himl->hbmMask = hbmNewBitmap;
2926 }
2927 else
2928 ERR("Could not create new mask bitmap!\n");
2929 }
2930
2931 DeleteDC (hdcBitmap);
2932
2933 if (himl->has_alpha)
2934 {
2935 char *new_alpha = HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, himl->has_alpha, nNewCount );
2936 if (new_alpha) himl->has_alpha = new_alpha;
2937 else
2938 {
2939 HeapFree( GetProcessHeap(), 0, himl->has_alpha );
2940 himl->has_alpha = NULL;
2941 }
2942 }
2943
2944 /* Update max image count and current image count */
2945 himl->cMaxImage = nNewCount;
2946 himl->cCurImage = iImageCount;
2947
2948 return TRUE;
2949 }
2950
2951
2952 /*************************************************************************
2953 * ImageList_SetOverlayImage [COMCTL32.@]
2954 *
2955 * Assigns an overlay mask index to an existing image in an image list.
2956 *
2957 * PARAMS
2958 * himl [I] handle to image list
2959 * iImage [I] image index
2960 * iOverlay [I] overlay mask index
2961 *
2962 * RETURNS
2963 * Success: TRUE
2964 * Failure: FALSE
2965 */
2966
2967 BOOL WINAPI
2968 ImageList_SetOverlayImage (HIMAGELIST himl, INT iImage, INT iOverlay)
2969 {
2970 if (!is_valid(himl))
2971 return FALSE;
2972 if ((iOverlay < 1) || (iOverlay > MAX_OVERLAYIMAGE))
2973 return FALSE;
2974 if ((iImage!=-1) && ((iImage < 0) || (iImage > himl->cCurImage)))
2975 return FALSE;
2976 himl->nOvlIdx[iOverlay - 1] = iImage;
2977 return TRUE;
2978 }
2979
2980
2981
2982 /* helper for ImageList_Write - write bitmap to pstm
2983 * currently everything is written as 24 bit RGB, except masks
2984 */
2985 static BOOL
2986 _write_bitmap(HBITMAP hBitmap, LPSTREAM pstm)
2987 {
2988 LPBITMAPFILEHEADER bmfh;
2989 LPBITMAPINFOHEADER bmih;
2990 LPBYTE data = NULL, lpBits;
2991 BITMAP bm;
2992 INT bitCount, sizeImage, offBits, totalSize;
2993 HDC xdc;
2994 BOOL result = FALSE;
2995
2996 if (!GetObjectW(hBitmap, sizeof(BITMAP), &bm))
2997 return FALSE;
2998
2999 bitCount = bm.bmBitsPixel;
3000 sizeImage = get_dib_stride(bm.bmWidth, bitCount) * bm.bmHeight;
3001
3002 totalSize = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER);
3003 if(bitCount <= 8)
3004 totalSize += (1 << bitCount) * sizeof(RGBQUAD);
3005 offBits = totalSize;
3006 totalSize += sizeImage;
3007
3008 data = Alloc(totalSize);
3009 bmfh = (LPBITMAPFILEHEADER)data;
3010 bmih = (LPBITMAPINFOHEADER)(data + sizeof(BITMAPFILEHEADER));
3011 lpBits = data + offBits;
3012
3013 /* setup BITMAPFILEHEADER */
3014 bmfh->bfType = (('M' << 8) | 'B');
3015 bmfh->bfSize = offBits;
3016 bmfh->bfReserved1 = 0;
3017 bmfh->bfReserved2 = 0;
3018 bmfh->bfOffBits = offBits;
3019
3020 /* setup BITMAPINFOHEADER */
3021 bmih->biSize = sizeof(BITMAPINFOHEADER);
3022 bmih->biWidth = bm.bmWidth;
3023 bmih->biHeight = bm.bmHeight;
3024 bmih->biPlanes = 1;
3025 bmih->biBitCount = bitCount;
3026 bmih->biCompression = BI_RGB;
3027 bmih->biSizeImage = sizeImage;
3028 bmih->biXPelsPerMeter = 0;
3029 bmih->biYPelsPerMeter = 0;
3030 bmih->biClrUsed = 0;
3031 bmih->biClrImportant = 0;
3032
3033 xdc = GetDC(0);
3034 result = GetDIBits(xdc, hBitmap, 0, bm.bmHeight, lpBits, (BITMAPINFO *)bmih, DIB_RGB_COLORS) == bm.bmHeight;
3035 ReleaseDC(0, xdc);
3036 if (!result)
3037 goto failed;
3038
3039 TRACE("width %u, height %u, planes %u, bpp %u\n",
3040 bmih->biWidth, bmih->biHeight,
3041 bmih->biPlanes, bmih->biBitCount);
3042
3043 if(FAILED(IStream_Write(pstm, data, totalSize, NULL)))
3044 goto failed;
3045
3046 result = TRUE;
3047
3048 failed:
3049 Free(data);
3050
3051 return result;
3052 }
3053
3054
3055 /*************************************************************************
3056 * ImageList_Write [COMCTL32.@]
3057 *
3058 * Writes an image list to a stream.
3059 *
3060 * PARAMS
3061 * himl [I] handle to image list
3062 * pstm [O] Pointer to a stream.
3063 *
3064 * RETURNS
3065 * Success: TRUE
3066 * Failure: FALSE
3067 *
3068 * BUGS
3069 * probably.
3070 */
3071
3072 BOOL WINAPI
3073 ImageList_Write (HIMAGELIST himl, LPSTREAM pstm)
3074 {
3075 ILHEAD ilHead;
3076 int i;
3077
3078 TRACE("%p %p\n", himl, pstm);
3079
3080 if (!is_valid(himl))
3081 return FALSE;
3082
3083 ilHead.usMagic = (('L' << 8) | 'I');
3084 ilHead.usVersion = 0x101;
3085 ilHead.cCurImage = himl->cCurImage;
3086 ilHead.cMaxImage = himl->cMaxImage;
3087 ilHead.cGrow = himl->cGrow;
3088 ilHead.cx = himl->cx;
3089 ilHead.cy = himl->cy;
3090 ilHead.bkcolor = himl->clrBk;
3091 ilHead.flags = himl->flags;
3092 for(i = 0; i < 4; i++) {
3093 ilHead.ovls[i] = himl->nOvlIdx[i];
3094 }
3095
3096 TRACE("cx %u, cy %u, flags 0x04%x, cCurImage %u, cMaxImage %u\n",
3097 ilHead.cx, ilHead.cy, ilHead.flags, ilHead.cCurImage, ilHead.cMaxImage);
3098
3099 if(FAILED(IStream_Write(pstm, &ilHead, sizeof(ILHEAD), NULL)))
3100 return FALSE;
3101
3102 /* write the bitmap */
3103 if(!_write_bitmap(himl->hbmImage, pstm))
3104 return FALSE;
3105
3106 /* write the mask if we have one */
3107 if(himl->flags & ILC_MASK) {
3108 if(!_write_bitmap(himl->hbmMask, pstm))
3109 return FALSE;
3110 }
3111
3112 return TRUE;
3113 }
3114
3115
3116 static HBITMAP ImageList_CreateImage(HDC hdc, HIMAGELIST himl, UINT count)
3117 {
3118 HBITMAP hbmNewBitmap;
3119 UINT ilc = (himl->flags & 0xFE);
3120 SIZE sz;
3121
3122 imagelist_get_bitmap_size( himl, count, &sz );
3123
3124 if ((ilc >= ILC_COLOR4 && ilc <= ILC_COLOR32) || ilc == ILC_COLOR)
3125 {
3126 char buffer[sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD)];
3127 BITMAPINFO *bmi = (BITMAPINFO *)buffer;
3128
3129 TRACE("Creating DIBSection %d x %d, %d Bits per Pixel\n",
3130 sz.cx, sz.cy, himl->uBitsPixel);
3131
3132 memset( buffer, 0, sizeof(buffer) );
3133 bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
3134 bmi->bmiHeader.biWidth = sz.cx;
3135 bmi->bmiHeader.biHeight = sz.cy;
3136 bmi->bmiHeader.biPlanes = 1;
3137 bmi->bmiHeader.biBitCount = himl->uBitsPixel;
3138 bmi->bmiHeader.biCompression = BI_RGB;
3139
3140 if (himl->uBitsPixel <= ILC_COLOR8)
3141 {
3142 /* retrieve the default color map */
3143 HBITMAP tmp = CreateBitmap( 1, 1, 1, 1, NULL );
3144 GetDIBits( hdc, tmp, 0, 0, NULL, bmi, DIB_RGB_COLORS );
3145 DeleteObject( tmp );
3146 }
3147 hbmNewBitmap = CreateDIBSection(hdc, bmi, DIB_RGB_COLORS, NULL, 0, 0);
3148 }
3149 else /*if (ilc == ILC_COLORDDB)*/
3150 {
3151 TRACE("Creating Bitmap: %d Bits per Pixel\n", himl->uBitsPixel);
3152
3153 hbmNewBitmap = CreateBitmap (sz.cx, sz.cy, 1, himl->uBitsPixel, NULL);
3154 }
3155 TRACE("returning %p\n", hbmNewBitmap);
3156 return hbmNewBitmap;
3157 }
3158
3159 /*************************************************************************
3160 * ImageList_SetColorTable [COMCTL32.@]
3161 *
3162 * Sets the color table of an image list.
3163 *
3164 * PARAMS
3165 * himl [I] Handle to the image list.
3166 * uStartIndex [I] The first index to set.
3167 * cEntries [I] Number of entries to set.
3168 * prgb [I] New color information for color table for the image list.
3169 *
3170 * RETURNS
3171 * Success: Number of entries in the table that were set.
3172 * Failure: Zero.
3173 *
3174 * SEE
3175 * ImageList_Create(), SetDIBColorTable()
3176 */
3177
3178 UINT WINAPI
3179 ImageList_SetColorTable(HIMAGELIST himl, UINT uStartIndex, UINT cEntries, const RGBQUAD *prgb)
3180 {
3181 return SetDIBColorTable(himl->hdcImage, uStartIndex, cEntries, prgb);
3182 }
3183
3184 /*************************************************************************
3185 * ImageList_CoCreateInstance [COMCTL32.@]
3186 *
3187 * Creates a new imagelist instance and returns an interface pointer to it.
3188 *
3189 * PARAMS
3190 * rclsid [I] A reference to the CLSID (CLSID_ImageList).
3191 * punkOuter [I] Pointer to IUnknown interface for aggregation, if desired
3192 * riid [I] Identifier of the requested interface.
3193 * ppv [O] Returns the address of the pointer requested, or NULL.
3194 *
3195 * RETURNS
3196 * Success: S_OK.
3197 * Failure: Error value.
3198 */
3199 HRESULT WINAPI
3200 ImageList_CoCreateInstance (REFCLSID rclsid, const IUnknown *punkOuter, REFIID riid, void **ppv)
3201 {
3202 TRACE("(%s,%p,%s,%p)\n", debugstr_guid(rclsid), punkOuter, debugstr_guid(riid), ppv);
3203
3204 if (!IsEqualCLSID(&CLSID_ImageList, rclsid))
3205 return E_NOINTERFACE;
3206
3207 return ImageListImpl_CreateInstance(punkOuter, riid, ppv);
3208 }
3209
3210
3211 /*************************************************************************
3212 * IImageList implementation
3213 */
3214
3215 static HRESULT WINAPI ImageListImpl_QueryInterface(IImageList2 *iface,
3216 REFIID iid, void **ppv)
3217 {
3218 HIMAGELIST imgl = impl_from_IImageList2(iface);
3219
3220 TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
3221
3222 if (!ppv) return E_INVALIDARG;
3223
3224 if (IsEqualIID(&IID_IUnknown, iid) ||
3225 IsEqualIID(&IID_IImageList, iid) ||
3226 IsEqualIID(&IID_IImageList2, iid))
3227 {
3228 *ppv = &imgl->IImageList2_iface;
3229 }
3230 else
3231 {
3232 *ppv = NULL;
3233 return E_NOINTERFACE;
3234 }
3235
3236 IImageList2_AddRef(iface);
3237 return S_OK;
3238 }
3239
3240 static ULONG WINAPI ImageListImpl_AddRef(IImageList2 *iface)
3241 {
3242 HIMAGELIST imgl = impl_from_IImageList2(iface);
3243 ULONG ref = InterlockedIncrement(&imgl->ref);
3244
3245 TRACE("(%p) refcount=%u\n", iface, ref);
3246 return ref;
3247 }
3248
3249 static ULONG WINAPI ImageListImpl_Release(IImageList2 *iface)
3250 {
3251 HIMAGELIST This = impl_from_IImageList2(iface);
3252 ULONG ref = InterlockedDecrement(&This->ref);
3253
3254 TRACE("(%p) refcount=%u\n", iface, ref);
3255
3256 if (ref == 0)
3257 {
3258 /* delete image bitmaps */
3259 if (This->hbmImage) DeleteObject (This->hbmImage);
3260 if (This->hbmMask) DeleteObject (This->hbmMask);
3261
3262 /* delete image & mask DCs */
3263 if (This->hdcImage) DeleteDC (This->hdcImage);
3264 if (This->hdcMask) DeleteDC (This->hdcMask);
3265
3266 /* delete blending brushes */
3267 if (This->hbrBlend25) DeleteObject (This->hbrBlend25);
3268 if (This->hbrBlend50) DeleteObject (This->hbrBlend50);
3269
3270 This->IImageList2_iface.lpVtbl = NULL;
3271 HeapFree(GetProcessHeap(), 0, This->has_alpha);
3272 HeapFree(GetProcessHeap(), 0, This);
3273 }
3274
3275 return ref;
3276 }
3277
3278 static HRESULT WINAPI ImageListImpl_Add(IImageList2 *iface, HBITMAP hbmImage,
3279 HBITMAP hbmMask, int *pi)
3280 {
3281 HIMAGELIST imgl = impl_from_IImageList2(iface);
3282 int ret;
3283
3284 if (!pi)
3285 return E_FAIL;
3286
3287 ret = ImageList_Add(imgl, hbmImage, hbmMask);
3288
3289 if (ret == -1)
3290 return E_FAIL;
3291
3292 *pi = ret;
3293 return S_OK;
3294 }
3295
3296 static HRESULT WINAPI ImageListImpl_ReplaceIcon(IImageList2 *iface, int i,
3297 HICON hicon, int *pi)
3298 {
3299 HIMAGELIST imgl = impl_from_IImageList2(iface);
3300 int ret;
3301
3302 if (!pi)
3303 return E_FAIL;
3304
3305 ret = ImageList_ReplaceIcon(imgl, i, hicon);
3306
3307 if (ret == -1)
3308 return E_FAIL;
3309
3310 *pi = ret;
3311 return S_OK;
3312 }
3313
3314 static HRESULT WINAPI ImageListImpl_SetOverlayImage(IImageList2 *iface,
3315 int iImage, int iOverlay)
3316 {
3317 HIMAGELIST imgl = impl_from_IImageList2(iface);
3318 return ImageList_SetOverlayImage(imgl, iImage, iOverlay) ? S_OK : E_FAIL;
3319 }
3320
3321 static HRESULT WINAPI ImageListImpl_Replace(IImageList2 *iface, int i,
3322 HBITMAP hbmImage, HBITMAP hbmMask)
3323 {
3324 HIMAGELIST imgl = impl_from_IImageList2(iface);
3325 return ImageList_Replace(imgl, i, hbmImage, hbmMask) ? S_OK : E_FAIL;
3326 }
3327
3328 static HRESULT WINAPI ImageListImpl_AddMasked(IImageList2 *iface, HBITMAP hbmImage,
3329 COLORREF crMask, int *pi)
3330 {
3331 HIMAGELIST imgl = impl_from_IImageList2(iface);
3332 int ret;
3333
3334 if (!pi)
3335 return E_FAIL;
3336
3337 ret = ImageList_AddMasked(imgl, hbmImage, crMask);
3338
3339 if (ret == -1)
3340 return E_FAIL;
3341
3342 *pi = ret;
3343 return S_OK;
3344 }
3345
3346 static HRESULT WINAPI ImageListImpl_Draw(IImageList2 *iface,
3347 IMAGELISTDRAWPARAMS *pimldp)
3348 {
3349 HIMAGELIST imgl = impl_from_IImageList2(iface);
3350 HIMAGELIST old_himl;
3351 int ret;
3352
3353 /* As far as I can tell, Windows simply ignores the contents of pimldp->himl
3354 so we shall simulate the same */
3355 old_himl = pimldp->himl;
3356 pimldp->himl = imgl;
3357
3358 ret = ImageList_DrawIndirect(pimldp);
3359
3360 pimldp->himl = old_himl;
3361 return ret ? S_OK : E_INVALIDARG;
3362 }
3363
3364 static HRESULT WINAPI ImageListImpl_Remove(IImageList2 *iface, int i)
3365 {
3366 HIMAGELIST imgl = impl_from_IImageList2(iface);
3367 return (ImageList_Remove(imgl, i) == 0) ? E_INVALIDARG : S_OK;
3368 }
3369
3370 static HRESULT WINAPI ImageListImpl_GetIcon(IImageList2 *iface, int i, UINT flags,
3371 HICON *picon)
3372 {
3373 HIMAGELIST imgl = impl_from_IImageList2(iface);
3374 HICON hIcon;
3375
3376 if (!picon)
3377 return E_FAIL;
3378
3379 hIcon = ImageList_GetIcon(imgl, i, flags);
3380
3381 if (hIcon == NULL)
3382 return E_FAIL;
3383
3384 *picon = hIcon;
3385 return S_OK;
3386 }
3387
3388 static HRESULT WINAPI ImageListImpl_GetImageInfo(IImageList2 *iface, int i,
3389 IMAGEINFO *pImageInfo)
3390 {
3391 HIMAGELIST imgl = impl_from_IImageList2(iface);
3392 return ImageList_GetImageInfo(imgl, i, pImageInfo) ? S_OK : E_FAIL;
3393 }
3394
3395 static HRESULT WINAPI ImageListImpl_Copy(IImageList2 *iface, int dst_index,
3396 IUnknown *unk_src, int src_index, UINT flags)
3397 {
3398 HIMAGELIST imgl = impl_from_IImageList2(iface);
3399 IImageList *src = NULL;
3400 HRESULT ret;
3401
3402 if (!unk_src)
3403 return E_FAIL;
3404
3405 /* TODO: Add test for IID_ImageList2 too */
3406 if (FAILED(IUnknown_QueryInterface(unk_src, &IID_IImageList,
3407 (void **) &src)))
3408 return E_FAIL;
3409
3410 if (ImageList_Copy(imgl, dst_index, (HIMAGELIST) src, src_index, flags))
3411 ret = S_OK;
3412 else
3413 ret = E_FAIL;
3414
3415 IImageList_Release(src);
3416 return ret;
3417 }
3418
3419 static HRESULT WINAPI ImageListImpl_Merge(IImageList2 *iface, int i1,
3420 IUnknown *punk2, int i2, int dx, int dy, REFIID riid, void **ppv)
3421 {
3422 HIMAGELIST imgl = impl_from_IImageList2(iface);
3423 IImageList *iml2 = NULL;
3424 HIMAGELIST merged;
3425 HRESULT ret = E_FAIL;
3426
3427 TRACE("(%p)->(%d %p %d %d %d %s %p)\n", iface, i1, punk2, i2, dx, dy, debugstr_guid(riid), ppv);
3428
3429 /* TODO: Add test for IID_ImageList2 too */
3430 if (FAILED(IUnknown_QueryInterface(punk2, &IID_IImageList,
3431 (void **) &iml2)))
3432 return E_FAIL;
3433
3434 merged = ImageList_Merge(imgl, i1, (HIMAGELIST) iml2, i2, dx, dy);
3435
3436 /* Get the interface for the new image list */
3437 if (merged)
3438 {
3439 ret = HIMAGELIST_QueryInterface(merged, riid, ppv);
3440 ImageList_Destroy(merged);
3441 }
3442
3443 IImageList_Release(iml2);
3444 return ret;
3445 }
3446
3447 static HRESULT WINAPI ImageListImpl_Clone(IImageList2 *iface, REFIID riid, void **ppv)
3448 {
3449 HIMAGELIST imgl = impl_from_IImageList2(iface);
3450 HIMAGELIST clone;
3451 HRESULT ret = E_FAIL;
3452
3453 TRACE("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppv);
3454
3455 clone = ImageList_Duplicate(imgl);
3456
3457 /* Get the interface for the new image list */
3458 if (clone)
3459 {
3460 ret = HIMAGELIST_QueryInterface(clone, riid, ppv);
3461 ImageList_Destroy(clone);
3462 }
3463
3464 return ret;
3465 }
3466
3467 static HRESULT WINAPI ImageListImpl_GetImageRect(IImageList2 *iface, int i,
3468 RECT *prc)
3469 {
3470 HIMAGELIST imgl = impl_from_IImageList2(iface);
3471 IMAGEINFO info;
3472
3473 if (!prc)
3474 return E_FAIL;
3475
3476 if (!ImageList_GetImageInfo(imgl, i, &info))
3477 return E_FAIL;
3478
3479 return CopyRect(prc, &info.rcImage) ? S_OK : E_FAIL;
3480 }
3481
3482 static HRESULT WINAPI ImageListImpl_GetIconSize(IImageList2 *iface, int *cx,
3483 int *cy)
3484 {
3485 HIMAGELIST imgl = impl_from_IImageList2(iface);
3486 return ImageList_GetIconSize(imgl, cx, cy) ? S_OK : E_INVALIDARG;
3487 }
3488
3489 static HRESULT WINAPI ImageListImpl_SetIconSize(IImageList2 *iface, int cx,
3490 int cy)
3491 {
3492 HIMAGELIST imgl = impl_from_IImageList2(iface);
3493 return ImageList_SetIconSize(imgl, cx, cy) ? S_OK : E_FAIL;
3494 }
3495
3496 static HRESULT WINAPI ImageListImpl_GetImageCount(IImageList2 *iface, int *pi)
3497 {
3498 HIMAGELIST imgl = impl_from_IImageList2(iface);
3499 *pi = ImageList_GetImageCount(imgl);
3500 return S_OK;
3501 }
3502
3503 static HRESULT WINAPI ImageListImpl_SetImageCount(IImageList2 *iface, UINT count)
3504 {
3505 HIMAGELIST imgl = impl_from_IImageList2(iface);
3506 return ImageList_SetImageCount(imgl, count) ? S_OK : E_FAIL;
3507 }
3508
3509 static HRESULT WINAPI ImageListImpl_SetBkColor(IImageList2 *iface, COLORREF clrBk,
3510 COLORREF *pclr)
3511 {
3512 HIMAGELIST imgl = impl_from_IImageList2(iface);
3513 *pclr = ImageList_SetBkColor(imgl, clrBk);
3514 return S_OK;
3515 }
3516
3517 static HRESULT WINAPI ImageListImpl_GetBkColor(IImageList2 *iface, COLORREF *pclr)
3518 {
3519 HIMAGELIST imgl = impl_from_IImageList2(iface);
3520 *pclr = ImageList_GetBkColor(imgl);
3521 return S_OK;
3522 }
3523
3524 static HRESULT WINAPI ImageListImpl_BeginDrag(IImageList2 *iface, int iTrack,
3525 int dxHotspot, int dyHotspot)
3526 {
3527 HIMAGELIST imgl = impl_from_IImageList2(iface);
3528 return ImageList_BeginDrag(imgl, iTrack, dxHotspot, dyHotspot) ? S_OK : E_FAIL;
3529 }
3530
3531 static HRESULT WINAPI ImageListImpl_EndDrag(IImageList2 *iface)
3532 {
3533 ImageList_EndDrag();
3534 return S_OK;
3535 }
3536
3537 static HRESULT WINAPI ImageListImpl_DragEnter(IImageList2 *iface, HWND hwndLock,
3538 int x, int y)
3539 {
3540 return ImageList_DragEnter(hwndLock, x, y) ? S_OK : E_FAIL;
3541 }
3542
3543 static HRESULT WINAPI ImageListImpl_DragLeave(IImageList2 *iface, HWND hwndLock)
3544 {
3545 return ImageList_DragLeave(hwndLock) ? S_OK : E_FAIL;
3546 }
3547
3548 static HRESULT WINAPI ImageListImpl_DragMove(IImageList2 *iface, int x, int y)
3549 {
3550 return ImageList_DragMove(x, y) ? S_OK : E_FAIL;
3551 }
3552
3553 static HRESULT WINAPI ImageListImpl_SetDragCursorImage(IImageList2 *iface,
3554 IUnknown *punk, int iDrag, int dxHotspot, int dyHotspot)
3555 {
3556 IImageList *iml2 = NULL;
3557 HRESULT ret;
3558
3559 if (!punk)
3560 return E_FAIL;
3561
3562 /* TODO: Add test for IID_ImageList2 too */
3563 if (FAILED(IUnknown_QueryInterface(punk, &IID_IImageList,
3564 (void **) &iml2)))
3565 return E_FAIL;
3566
3567 ret = ImageList_SetDragCursorImage((HIMAGELIST) iml2, iDrag, dxHotspot,
3568 dyHotspot);
3569
3570 IImageList_Release(iml2);
3571
3572 return ret ? S_OK : E_FAIL;
3573 }
3574
3575 static HRESULT WINAPI ImageListImpl_DragShowNolock(IImageList2 *iface, BOOL fShow)
3576 {
3577 return ImageList_DragShowNolock(fShow) ? S_OK : E_FAIL;
3578 }
3579
3580 static HRESULT WINAPI ImageListImpl_GetDragImage(IImageList2 *iface, POINT *ppt,
3581 POINT *pptHotspot, REFIID riid, PVOID *ppv)
3582 {
3583 HRESULT ret = E_FAIL;
3584 HIMAGELIST hNew;
3585
3586 if (!ppv)
3587 return E_FAIL;
3588
3589 hNew = ImageList_GetDragImage(ppt, pptHotspot);
3590
3591 /* Get the interface for the new image list */
3592 if (hNew)
3593 {
3594 IImageList *idrag = (IImageList*)hNew;
3595
3596 ret = HIMAGELIST_QueryInterface(hNew, riid, ppv);
3597 IImageList_Release(idrag);
3598 }
3599
3600 return ret;
3601 }
3602
3603 static HRESULT WINAPI ImageListImpl_GetItemFlags(IImageList2 *iface, int i,
3604 DWORD *dwFlags)
3605 {
3606 FIXME("STUB: %p %d %p\n", iface, i, dwFlags);
3607 return E_NOTIMPL;
3608 }
3609
3610 static HRESULT WINAPI ImageListImpl_GetOverlayImage(IImageList2 *iface, int iOverlay,
3611 int *piIndex)
3612 {
3613 HIMAGELIST This = impl_from_IImageList2(iface);
3614 int i;
3615
3616 if ((iOverlay < 0) || (iOverlay > This->cCurImage))
3617 return E_FAIL;
3618
3619 for (i = 0; i < MAX_OVERLAYIMAGE; i++)
3620 {
3621 if (This->nOvlIdx[i] == iOverlay)
3622 {
3623 *piIndex = i + 1;
3624 return S_OK;
3625 }
3626 }
3627
3628 return E_FAIL;
3629 }
3630
3631 static HRESULT WINAPI ImageListImpl_Resize(IImageList2 *iface, INT cx, INT cy)
3632 {
3633 FIXME("(%p)->(%d %d): stub\n", iface, cx, cy);
3634 return E_NOTIMPL;
3635 }
3636
3637 static HRESULT WINAPI ImageListImpl_GetOriginalSize(IImageList2 *iface, INT image, DWORD flags, INT *cx, INT *cy)
3638 {
3639 FIXME("(%p)->(%d %x %p %p): stub\n", iface, image, flags, cx, cy);
3640 return E_NOTIMPL;
3641 }
3642
3643 static HRESULT WINAPI ImageListImpl_SetOriginalSize(IImageList2 *iface, INT image, INT cx, INT cy)
3644 {
3645 FIXME("(%p)->(%d %d %d): stub\n", iface, image, cx, cy);
3646 return E_NOTIMPL;
3647 }
3648
3649 static HRESULT WINAPI ImageListImpl_SetCallback(IImageList2 *iface, IUnknown *callback)
3650 {
3651 FIXME("(%p)->(%p): stub\n", iface, callback);
3652 return E_NOTIMPL;
3653 }
3654
3655 static HRESULT WINAPI ImageListImpl_GetCallback(IImageList2 *iface, REFIID riid, void **ppv)
3656 {
3657 FIXME("(%p)->(%s %p): stub\n", iface, debugstr_guid(riid), ppv);
3658 return E_NOTIMPL;
3659 }
3660
3661 static HRESULT WINAPI ImageListImpl_ForceImagePresent(IImageList2 *iface, INT image, DWORD flags)
3662 {
3663 FIXME("(%p)->(%d %x): stub\n", iface, image, flags);
3664 return E_NOTIMPL;
3665 }
3666
3667 static HRESULT WINAPI ImageListImpl_DiscardImages(IImageList2 *iface, INT first_image, INT last_image, DWORD flags)
3668 {
3669 FIXME("(%p)->(%d %d %x): stub\n", iface, first_image, last_image, flags);
3670 return E_NOTIMPL;
3671 }
3672
3673 static HRESULT WINAPI ImageListImpl_PreloadImages(IImageList2 *iface, IMAGELISTDRAWPARAMS *params)
3674 {
3675 FIXME("(%p)->(%p): stub\n", iface, params);
3676 return E_NOTIMPL;
3677 }
3678
3679 static HRESULT WINAPI ImageListImpl_GetStatistics(IImageList2 *iface, IMAGELISTSTATS *stats)
3680 {
3681 FIXME("(%p)->(%p): stub\n", iface, stats);
3682 return E_NOTIMPL;
3683 }
3684
3685 static HRESULT WINAPI ImageListImpl_Initialize(IImageList2 *iface, INT cx, INT cy, UINT flags, INT initial, INT grow)
3686 {
3687 FIXME("(%p)->(%d %d %d %d %d): stub\n", iface, cx, cy, flags, initial, grow);
3688 return E_NOTIMPL;
3689 }
3690
3691 static HRESULT WINAPI ImageListImpl_Replace2(IImageList2 *iface, INT i, HBITMAP image, HBITMAP mask, IUnknown *unk, DWORD flags)
3692 {
3693 FIXME("(%p)->(%d %p %p %p %x): stub\n", iface, i, image, mask, unk, flags);
3694 return E_NOTIMPL;
3695 }
3696
3697 static HRESULT WINAPI ImageListImpl_ReplaceFromImageList(IImageList2 *iface, INT i, IImageList *imagelist, INT src,
3698 IUnknown *unk, DWORD flags)
3699 {
3700 FIXME("(%p)->(%d %p %d %p %x): stub\n", iface, i, imagelist, src, unk, flags);
3701 return E_NOTIMPL;
3702 }
3703
3704 static const IImageList2Vtbl ImageListImpl_Vtbl = {
3705 ImageListImpl_QueryInterface,
3706 ImageListImpl_AddRef,
3707 ImageListImpl_Release,
3708 ImageListImpl_Add,
3709 ImageListImpl_ReplaceIcon,
3710 ImageListImpl_SetOverlayImage,
3711 ImageListImpl_Replace,
3712 ImageListImpl_AddMasked,
3713 ImageListImpl_Draw,
3714 ImageListImpl_Remove,
3715 ImageListImpl_GetIcon,
3716 ImageListImpl_GetImageInfo,
3717 ImageListImpl_Copy,
3718 ImageListImpl_Merge,
3719 ImageListImpl_Clone,
3720 ImageListImpl_GetImageRect,
3721 ImageListImpl_GetIconSize,
3722 ImageListImpl_SetIconSize,
3723 ImageListImpl_GetImageCount,
3724 ImageListImpl_SetImageCount,
3725 ImageListImpl_SetBkColor,
3726 ImageListImpl_GetBkColor,
3727 ImageListImpl_BeginDrag,
3728 ImageListImpl_EndDrag,
3729 ImageListImpl_DragEnter,
3730 ImageListImpl_DragLeave,
3731 ImageListImpl_DragMove,
3732 ImageListImpl_SetDragCursorImage,
3733 ImageListImpl_DragShowNolock,
3734 ImageListImpl_GetDragImage,
3735 ImageListImpl_GetItemFlags,
3736 ImageListImpl_GetOverlayImage,
3737 ImageListImpl_Resize,
3738 ImageListImpl_GetOriginalSize,
3739 ImageListImpl_SetOriginalSize,
3740 ImageListImpl_SetCallback,
3741 ImageListImpl_GetCallback,
3742 ImageListImpl_ForceImagePresent,
3743 ImageListImpl_DiscardImages,
3744 ImageListImpl_PreloadImages,
3745 ImageListImpl_GetStatistics,
3746 ImageListImpl_Initialize,
3747 ImageListImpl_Replace2,
3748 ImageListImpl_ReplaceFromImageList
3749 };
3750
3751 static BOOL is_valid(HIMAGELIST himl)
3752 {
3753 BOOL valid;
3754 __TRY
3755 {
3756 valid = himl && himl->IImageList2_iface.lpVtbl == &ImageListImpl_Vtbl;
3757 }
3758 __EXCEPT_PAGE_FAULT
3759 {
3760 valid = FALSE;
3761 }
3762 __ENDTRY
3763 return valid;
3764 }
3765
3766 /*************************************************************************
3767 * HIMAGELIST_QueryInterface [COMCTL32.@]
3768 *
3769 * Returns a pointer to an IImageList or IImageList2 object for the given
3770 * HIMAGELIST.
3771 *
3772 * PARAMS
3773 * himl [I] Image list handle.
3774 * riid [I] Identifier of the requested interface.
3775 * ppv [O] Returns the address of the pointer requested, or NULL.
3776 *
3777 * RETURNS
3778 * Success: S_OK.
3779 * Failure: Error value.
3780 */
3781 HRESULT WINAPI
3782 HIMAGELIST_QueryInterface (HIMAGELIST himl, REFIID riid, void **ppv)
3783 {
3784 TRACE("(%p,%s,%p)\n", himl, debugstr_guid(riid), ppv);
3785 return IImageList2_QueryInterface((IImageList2 *) himl, riid, ppv);
3786 }
3787
3788 static HRESULT ImageListImpl_CreateInstance(const IUnknown *pUnkOuter, REFIID iid, void** ppv)
3789 {
3790 HIMAGELIST This;
3791 HRESULT ret;
3792
3793 TRACE("(%p,%s,%p)\n", pUnkOuter, debugstr_guid(iid), ppv);
3794
3795 *ppv = NULL;
3796
3797 if (pUnkOuter) return CLASS_E_NOAGGREGATION;
3798
3799 This = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct _IMAGELIST));
3800 if (!This) return E_OUTOFMEMORY;
3801
3802 This->IImageList2_iface.lpVtbl = &ImageListImpl_Vtbl;
3803 This->ref = 1;
3804
3805 ret = IImageList2_QueryInterface(&This->IImageList2_iface, iid, ppv);
3806 IImageList2_Release(&This->IImageList2_iface);
3807
3808 return ret;
3809 }
Windows API implementation