1f119f3504e25fef6a91426ca0bc0d075239d012
[reactos.git] / dll / win32 / comctl32 / imagelist.c
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 * TODO:
26 * - Add support for ILD_PRESERVEALPHA, ILD_SCALE, ILD_DPISCALE
27 * - Add support for ILS_GLOW, ILS_SHADOW
28 * - Thread-safe locking
29 */
30
31 #include <stdarg.h>
32 #include <stdlib.h>
33 #include <string.h>
34
35 #define COBJMACROS
36
37 #include "winerror.h"
38 #include "windef.h"
39 #include "winbase.h"
40 #include "objbase.h"
41 #include "wingdi.h"
42 #include "winuser.h"
43 #include "commctrl.h"
44 #include "comctl32.h"
45 #include "commoncontrols.h"
46 #include "wine/debug.h"
47 #include "wine/exception.h"
48 #include "wine/heap.h"
49
50 WINE_DEFAULT_DEBUG_CHANNEL(imagelist);
51
52 #define MAX_OVERLAYIMAGE 15
53
54 struct _IMAGELIST
55 {
56 IImageList2 IImageList2_iface; /* 00: IImageList vtable */
57 INT cCurImage; /* 04: ImageCount */
58 INT cMaxImage; /* 08: maximages */
59 INT cGrow; /* 0C: cGrow */
60 INT cx; /* 10: cx */
61 INT cy; /* 14: cy */
62 DWORD x4;
63 UINT flags; /* 1C: flags */
64 COLORREF clrFg; /* 20: foreground color */
65 COLORREF clrBk; /* 24: background color */
66
67
68 HBITMAP hbmImage; /* 28: images Bitmap */
69 HBITMAP hbmMask; /* 2C: masks Bitmap */
70 HDC hdcImage; /* 30: images MemDC */
71 HDC hdcMask; /* 34: masks MemDC */
72 INT nOvlIdx[MAX_OVERLAYIMAGE]; /* 38: overlay images index */
73
74 /* not yet found out */
75 HBRUSH hbrBlend25;
76 HBRUSH hbrBlend50;
77 INT cInitial;
78 UINT uBitsPixel;
79 char *has_alpha;
80 BOOL color_table_set;
81
82 LONG ref; /* reference count */
83 };
84
85 #define IMAGELIST_MAGIC 0x53414D58
86
87 /* Header used by ImageList_Read() and ImageList_Write() */
88 #include "pshpack2.h"
89 typedef struct _ILHEAD
90 {
91 USHORT usMagic;
92 USHORT usVersion;
93 WORD cCurImage;
94 WORD cMaxImage;
95 WORD cGrow;
96 WORD cx;
97 WORD cy;
98 COLORREF bkcolor;
99 WORD flags;
100 SHORT ovls[4];
101 } ILHEAD;
102 #include "poppack.h"
103
104 /* internal image list data used for Drag & Drop operations */
105 typedef struct
106 {
107 HWND hwnd;
108 HIMAGELIST himl;
109 HIMAGELIST himlNoCursor;
110 /* position of the drag image relative to the window */
111 INT x;
112 INT y;
113 /* offset of the hotspot relative to the origin of the image */
114 INT dxHotspot;
115 INT dyHotspot;
116 /* is the drag image visible */
117 BOOL bShow;
118 /* saved background */
119 HBITMAP hbmBg;
120 } INTERNALDRAG;
121
122 static INTERNALDRAG InternalDrag = { 0, 0, 0, 0, 0, 0, 0, FALSE, 0 };
123
124 static inline HIMAGELIST impl_from_IImageList2(IImageList2 *iface)
125 {
126 return CONTAINING_RECORD(iface, struct _IMAGELIST, IImageList2_iface);
127 }
128
129 static HBITMAP ImageList_CreateImage(HDC hdc, HIMAGELIST himl, UINT count);
130 static HRESULT ImageListImpl_CreateInstance(const IUnknown *pUnkOuter, REFIID iid, void** ppv);
131 static BOOL is_valid(HIMAGELIST himl);
132
133 /*
134 * An imagelist with N images is tiled like this:
135 *
136 * N/4 ->
137 *
138 * 4 048C..
139 * 159D..
140 * | 26AE.N
141 * V 37BF.
142 */
143
144 #define TILE_COUNT 4
145
146 static inline UINT imagelist_height( UINT count )
147 {
148 return ((count + TILE_COUNT - 1)/TILE_COUNT);
149 }
150
151 static inline void imagelist_point_from_index( HIMAGELIST himl, UINT index, LPPOINT pt )
152 {
153 pt->x = (index%TILE_COUNT) * himl->cx;
154 pt->y = (index/TILE_COUNT) * himl->cy;
155 }
156
157 static inline void imagelist_get_bitmap_size( HIMAGELIST himl, UINT count, SIZE *sz )
158 {
159 sz->cx = himl->cx * TILE_COUNT;
160 sz->cy = imagelist_height( count ) * himl->cy;
161 }
162
163 static inline int get_dib_stride( int width, int bpp )
164 {
165 return ((width * bpp + 31) >> 3) & ~3;
166 }
167
168 static inline int get_dib_image_size( const BITMAPINFO *info )
169 {
170 return get_dib_stride( info->bmiHeader.biWidth, info->bmiHeader.biBitCount )
171 * abs( info->bmiHeader.biHeight );
172 }
173
174 /*
175 * imagelist_copy_images()
176 *
177 * Copies a block of count images from offset src in the list to offset dest.
178 * Images are copied a row at at time. Assumes hdcSrc and hdcDest are different.
179 */
180 static inline void imagelist_copy_images( HIMAGELIST himl, HDC hdcSrc, HDC hdcDest,
181 UINT src, UINT count, UINT dest )
182 {
183 POINT ptSrc, ptDest;
184 SIZE sz;
185 UINT i;
186
187 for ( i=0; i<TILE_COUNT; i++ )
188 {
189 imagelist_point_from_index( himl, src+i, &ptSrc );
190 imagelist_point_from_index( himl, dest+i, &ptDest );
191 sz.cx = himl->cx;
192 sz.cy = himl->cy * imagelist_height( count - i );
193
194 BitBlt( hdcDest, ptDest.x, ptDest.y, sz.cx, sz.cy,
195 hdcSrc, ptSrc.x, ptSrc.y, SRCCOPY );
196 }
197 }
198
199 static void add_dib_bits( HIMAGELIST himl, int pos, int count, int width, int height,
200 BITMAPINFO *info, BITMAPINFO *mask_info, DWORD *bits, BYTE *mask_bits )
201 {
202 int i, j, n;
203 POINT pt;
204 int stride = info->bmiHeader.biWidth;
205 int mask_stride = (info->bmiHeader.biWidth + 31) / 32 * 4;
206
207 for (n = 0; n < count; n++)
208 {
209 BOOL has_alpha = FALSE;
210
211 imagelist_point_from_index( himl, pos + n, &pt );
212
213 /* check if bitmap has an alpha channel */
214 for (i = 0; i < height && !has_alpha; i++)
215 for (j = n * width; j < (n + 1) * width; j++)
216 if ((has_alpha = ((bits[i * stride + j] & 0xff000000) != 0))) break;
217
218 if (!has_alpha) /* generate alpha channel from the mask */
219 {
220 for (i = 0; i < height; i++)
221 for (j = n * width; j < (n + 1) * width; j++)
222 if (!mask_info || !((mask_bits[i * mask_stride + j / 8] << (j % 8)) & 0x80))
223 bits[i * stride + j] |= 0xff000000;
224 else
225 bits[i * stride + j] = 0;
226 }
227 else
228 {
229 himl->has_alpha[pos + n] = 1;
230
231 if (mask_info && himl->hbmMask) /* generate the mask from the alpha channel */
232 {
233 for (i = 0; i < height; i++)
234 for (j = n * width; j < (n + 1) * width; j++)
235 if ((bits[i * stride + j] >> 24) > 25) /* more than 10% alpha */
236 mask_bits[i * mask_stride + j / 8] &= ~(0x80 >> (j % 8));
237 else
238 mask_bits[i * mask_stride + j / 8] |= 0x80 >> (j % 8);
239 }
240 }
241 StretchDIBits( himl->hdcImage, pt.x, pt.y, himl->cx, himl->cy,
242 n * width, 0, width, height, bits, info, DIB_RGB_COLORS, SRCCOPY );
243 if (mask_info)
244 StretchDIBits( himl->hdcMask, pt.x, pt.y, himl->cx, himl->cy,
245 n * width, 0, width, height, mask_bits, mask_info, DIB_RGB_COLORS, SRCCOPY );
246 }
247 }
248
249 /* add images with an alpha channel when the image list is 32 bpp */
250 static BOOL add_with_alpha( HIMAGELIST himl, HDC hdc, int pos, int count,
251 int width, int height, HBITMAP hbmImage, HBITMAP hbmMask )
252 {
253 BOOL ret = FALSE;
254 BITMAP bm;
255 BITMAPINFO *info, *mask_info = NULL;
256 DWORD *bits = NULL;
257 BYTE *mask_bits = NULL;
258 DWORD mask_width;
259
260 if (!GetObjectW( hbmImage, sizeof(bm), &bm )) return FALSE;
261
262 /* if either the imagelist or the source bitmap don't have an alpha channel, bail out now */
263 if (!himl->has_alpha) return FALSE;
264 if (bm.bmBitsPixel != 32) return FALSE;
265
266 SelectObject( hdc, hbmImage );
267 mask_width = (bm.bmWidth + 31) / 32 * 4;
268
269 if (!(info = heap_alloc( FIELD_OFFSET( BITMAPINFO, bmiColors[256] )))) goto done;
270 info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
271 info->bmiHeader.biWidth = bm.bmWidth;
272 info->bmiHeader.biHeight = -height;
273 info->bmiHeader.biPlanes = 1;
274 info->bmiHeader.biBitCount = 32;
275 info->bmiHeader.biCompression = BI_RGB;
276 info->bmiHeader.biSizeImage = bm.bmWidth * height * 4;
277 info->bmiHeader.biXPelsPerMeter = 0;
278 info->bmiHeader.biYPelsPerMeter = 0;
279 info->bmiHeader.biClrUsed = 0;
280 info->bmiHeader.biClrImportant = 0;
281 if (!(bits = heap_alloc( info->bmiHeader.biSizeImage ))) goto done;
282 if (!GetDIBits( hdc, hbmImage, 0, height, bits, info, DIB_RGB_COLORS )) goto done;
283
284 if (hbmMask)
285 {
286 if (!(mask_info = heap_alloc( FIELD_OFFSET( BITMAPINFO, bmiColors[2] ))))
287 goto done;
288 mask_info->bmiHeader = info->bmiHeader;
289 mask_info->bmiHeader.biBitCount = 1;
290 mask_info->bmiHeader.biSizeImage = mask_width * height;
291 if (!(mask_bits = heap_alloc_zero( mask_info->bmiHeader.biSizeImage )))
292 goto done;
293 if (!GetDIBits( hdc, hbmMask, 0, height, mask_bits, mask_info, DIB_RGB_COLORS )) goto done;
294 }
295
296 add_dib_bits( himl, pos, count, width, height, info, mask_info, bits, mask_bits );
297 ret = TRUE;
298
299 done:
300 heap_free( info );
301 heap_free( mask_info );
302 heap_free( bits );
303 heap_free( mask_bits );
304 return ret;
305 }
306
307 UINT WINAPI
308 ImageList_SetColorTable(HIMAGELIST himl, UINT uStartIndex, UINT cEntries, const RGBQUAD *prgb);
309
310 /*************************************************************************
311 * IMAGELIST_InternalExpandBitmaps [Internal]
312 *
313 * Expands the bitmaps of an image list by the given number of images.
314 *
315 * PARAMS
316 * himl [I] handle to image list
317 * nImageCount [I] number of images to add
318 *
319 * RETURNS
320 * nothing
321 *
322 * NOTES
323 * This function CANNOT be used to reduce the number of images.
324 */
325 static void
326 IMAGELIST_InternalExpandBitmaps(HIMAGELIST himl, INT nImageCount)
327 {
328 HDC hdcBitmap;
329 HBITMAP hbmNewBitmap, hbmNull;
330 INT nNewCount;
331 SIZE sz;
332
333 TRACE("%p has allocated %d, max %d, grow %d images\n", himl, himl->cCurImage, himl->cMaxImage, himl->cGrow);
334
335 if (himl->cCurImage + nImageCount < himl->cMaxImage)
336 return;
337
338 nNewCount = himl->cMaxImage + max(nImageCount, himl->cGrow) + 1;
339
340 imagelist_get_bitmap_size(himl, nNewCount, &sz);
341
342 TRACE("Create expanded bitmaps : himl=%p x=%d y=%d count=%d\n", himl, sz.cx, sz.cy, nNewCount);
343 hdcBitmap = CreateCompatibleDC (0);
344
345 hbmNewBitmap = ImageList_CreateImage(hdcBitmap, himl, nNewCount);
346
347 if (hbmNewBitmap == 0)
348 ERR("creating new image bitmap (x=%d y=%d)!\n", sz.cx, sz.cy);
349
350 if (himl->cCurImage)
351 {
352 hbmNull = SelectObject (hdcBitmap, hbmNewBitmap);
353 BitBlt (hdcBitmap, 0, 0, sz.cx, sz.cy,
354 himl->hdcImage, 0, 0, SRCCOPY);
355 SelectObject (hdcBitmap, hbmNull);
356 }
357 SelectObject (himl->hdcImage, hbmNewBitmap);
358 DeleteObject (himl->hbmImage);
359 himl->hbmImage = hbmNewBitmap;
360
361 if (himl->flags & ILC_MASK)
362 {
363 hbmNewBitmap = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
364
365 if (hbmNewBitmap == 0)
366 ERR("creating new mask bitmap!\n");
367
368 if(himl->cCurImage)
369 {
370 hbmNull = SelectObject (hdcBitmap, hbmNewBitmap);
371 BitBlt (hdcBitmap, 0, 0, sz.cx, sz.cy,
372 himl->hdcMask, 0, 0, SRCCOPY);
373 SelectObject (hdcBitmap, hbmNull);
374 }
375 SelectObject (himl->hdcMask, hbmNewBitmap);
376 DeleteObject (himl->hbmMask);
377 himl->hbmMask = hbmNewBitmap;
378 }
379
380 if (himl->has_alpha)
381 {
382 char *new_alpha = HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, himl->has_alpha, nNewCount );
383 if (new_alpha) himl->has_alpha = new_alpha;
384 else
385 {
386 heap_free( himl->has_alpha );
387 himl->has_alpha = NULL;
388 }
389 }
390
391 himl->cMaxImage = nNewCount;
392
393 DeleteDC (hdcBitmap);
394 }
395
396
397 /*************************************************************************
398 * ImageList_Add [COMCTL32.@]
399 *
400 * Add an image or images to an image list.
401 *
402 * PARAMS
403 * himl [I] handle to image list
404 * hbmImage [I] handle to image bitmap
405 * hbmMask [I] handle to mask bitmap
406 *
407 * RETURNS
408 * Success: Index of the first new image.
409 * Failure: -1
410 */
411
412 INT WINAPI
413 ImageList_Add (HIMAGELIST himl, HBITMAP hbmImage, HBITMAP hbmMask)
414 {
415 HDC hdcBitmap, hdcTemp = 0;
416 INT nFirstIndex, nImageCount, i;
417 BITMAP bmp;
418 POINT pt;
419
420 TRACE("himl=%p hbmimage=%p hbmmask=%p\n", himl, hbmImage, hbmMask);
421 if (!is_valid(himl))
422 return -1;
423
424 if (!GetObjectW(hbmImage, sizeof(BITMAP), &bmp))
425 return -1;
426
427 TRACE("himl %p, cCurImage %d, cMaxImage %d, cGrow %d, cx %d, cy %d\n",
428 himl, himl->cCurImage, himl->cMaxImage, himl->cGrow, himl->cx, himl->cy);
429
430 nImageCount = bmp.bmWidth / himl->cx;
431
432 TRACE("%p has %d images (%d x %d) bpp %d\n", hbmImage, nImageCount, bmp.bmWidth, bmp.bmHeight,
433 bmp.bmBitsPixel);
434
435 IMAGELIST_InternalExpandBitmaps(himl, nImageCount);
436
437 hdcBitmap = CreateCompatibleDC(0);
438
439 SelectObject(hdcBitmap, hbmImage);
440
441 if (add_with_alpha( himl, hdcBitmap, himl->cCurImage, nImageCount,
442 himl->cx, min( himl->cy, bmp.bmHeight), hbmImage, hbmMask ))
443 goto done;
444
445 if (himl->hbmMask)
446 {
447 hdcTemp = CreateCompatibleDC(0);
448 SelectObject(hdcTemp, hbmMask);
449 }
450
451 if (himl->uBitsPixel <= 8 && bmp.bmBitsPixel <= 8 &&
452 !himl->color_table_set && himl->cCurImage == 0)
453 {
454 RGBQUAD colors[256];
455 UINT num = GetDIBColorTable( hdcBitmap, 0, 1 << bmp.bmBitsPixel, colors );
456 if (num) ImageList_SetColorTable( himl, 0, num, colors );
457 }
458
459 for (i=0; i<nImageCount; i++)
460 {
461 imagelist_point_from_index( himl, himl->cCurImage + i, &pt );
462
463 /* Copy result to the imagelist
464 */
465 BitBlt( himl->hdcImage, pt.x, pt.y, himl->cx, bmp.bmHeight,
466 hdcBitmap, i*himl->cx, 0, SRCCOPY );
467
468 if (!himl->hbmMask)
469 continue;
470
471 BitBlt( himl->hdcMask, pt.x, pt.y, himl->cx, bmp.bmHeight,
472 hdcTemp, i*himl->cx, 0, SRCCOPY );
473
474 /* Remove the background from the image
475 */
476 BitBlt( himl->hdcImage, pt.x, pt.y, himl->cx, bmp.bmHeight,
477 himl->hdcMask, pt.x, pt.y, 0x220326 ); /* NOTSRCAND */
478 }
479 if (hdcTemp) DeleteDC(hdcTemp);
480
481 done:
482 DeleteDC(hdcBitmap);
483
484 nFirstIndex = himl->cCurImage;
485 himl->cCurImage += nImageCount;
486
487 return nFirstIndex;
488 }
489
490
491 /*************************************************************************
492 * ImageList_AddIcon [COMCTL32.@]
493 *
494 * Adds an icon to an image list.
495 *
496 * PARAMS
497 * himl [I] handle to image list
498 * hIcon [I] handle to icon
499 *
500 * RETURNS
501 * Success: index of the new image
502 * Failure: -1
503 */
504 #undef ImageList_AddIcon
505 INT WINAPI ImageList_AddIcon (HIMAGELIST himl, HICON hIcon)
506 {
507 return ImageList_ReplaceIcon (himl, -1, hIcon);
508 }
509
510
511 /*************************************************************************
512 * ImageList_AddMasked [COMCTL32.@]
513 *
514 * Adds an image or images to an image list and creates a mask from the
515 * specified bitmap using the mask color.
516 *
517 * PARAMS
518 * himl [I] handle to image list.
519 * hBitmap [I] handle to bitmap
520 * clrMask [I] mask color.
521 *
522 * RETURNS
523 * Success: Index of the first new image.
524 * Failure: -1
525 */
526
527 INT WINAPI
528 ImageList_AddMasked (HIMAGELIST himl, HBITMAP hBitmap, COLORREF clrMask)
529 {
530 HDC hdcMask, hdcBitmap;
531 INT ret;
532 BITMAP bmp;
533 HBITMAP hMaskBitmap;
534 COLORREF bkColor;
535
536 TRACE("himl=%p hbitmap=%p clrmask=%x\n", himl, hBitmap, clrMask);
537 if (!is_valid(himl))
538 return -1;
539
540 if (!GetObjectW(hBitmap, sizeof(BITMAP), &bmp))
541 return -1;
542
543 hdcBitmap = CreateCompatibleDC(0);
544 SelectObject(hdcBitmap, hBitmap);
545
546 /* Create a temp Mask so we can remove the background of the Image */
547 hdcMask = CreateCompatibleDC(0);
548 hMaskBitmap = CreateBitmap(bmp.bmWidth, bmp.bmHeight, 1, 1, NULL);
549 SelectObject(hdcMask, hMaskBitmap);
550
551 /* create monochrome image to the mask bitmap */
552 bkColor = (clrMask != CLR_DEFAULT) ? clrMask : GetPixel (hdcBitmap, 0, 0);
553 SetBkColor (hdcBitmap, bkColor);
554 BitBlt (hdcMask, 0, 0, bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
555
556 /*
557 * Remove the background from the image
558 *
559 * WINDOWS BUG ALERT!!!!!!
560 * The statement below should not be done in common practice
561 * but this is how ImageList_AddMasked works in Windows.
562 * It overwrites the original bitmap passed, this was discovered
563 * by using the same bitmap to iterate the different styles
564 * on windows where it failed (BUT ImageList_Add is OK)
565 * This is here in case some apps rely on this bug
566 *
567 * Blt mode 0x220326 is NOTSRCAND
568 */
569 if (bmp.bmBitsPixel > 8) /* NOTSRCAND can't work with palettes */
570 {
571 SetBkColor(hdcBitmap, RGB(255,255,255));
572 BitBlt(hdcBitmap, 0, 0, bmp.bmWidth, bmp.bmHeight, hdcMask, 0, 0, 0x220326);
573 }
574
575 DeleteDC(hdcBitmap);
576 DeleteDC(hdcMask);
577
578 ret = ImageList_Add( himl, hBitmap, hMaskBitmap );
579
580 DeleteObject(hMaskBitmap);
581 return ret;
582 }
583
584
585 /*************************************************************************
586 * ImageList_BeginDrag [COMCTL32.@]
587 *
588 * Creates a temporary image list that contains one image. It will be used
589 * as a drag image.
590 *
591 * PARAMS
592 * himlTrack [I] handle to the source image list
593 * iTrack [I] index of the drag image in the source image list
594 * dxHotspot [I] X position of the hot spot of the drag image
595 * dyHotspot [I] Y position of the hot spot of the drag image
596 *
597 * RETURNS
598 * Success: TRUE
599 * Failure: FALSE
600 */
601
602 BOOL WINAPI
603 ImageList_BeginDrag (HIMAGELIST himlTrack, INT iTrack,
604 INT dxHotspot, INT dyHotspot)
605 {
606 INT cx, cy;
607 POINT src, dst;
608
609 TRACE("(himlTrack=%p iTrack=%d dx=%d dy=%d)\n", himlTrack, iTrack,
610 dxHotspot, dyHotspot);
611
612 if (!is_valid(himlTrack))
613 return FALSE;
614
615 if (iTrack >= himlTrack->cCurImage)
616 return FALSE;
617
618 if (InternalDrag.himl)
619 return FALSE;
620
621 cx = himlTrack->cx;
622 cy = himlTrack->cy;
623
624 InternalDrag.himlNoCursor = InternalDrag.himl = ImageList_Create (cx, cy, himlTrack->flags, 1, 1);
625 if (InternalDrag.himl == NULL) {
626 WARN("Error creating drag image list!\n");
627 return FALSE;
628 }
629
630 InternalDrag.dxHotspot = dxHotspot;
631 InternalDrag.dyHotspot = dyHotspot;
632
633 /* copy image */
634 imagelist_point_from_index(InternalDrag.himl, 0, &dst);
635 imagelist_point_from_index(himlTrack, iTrack, &src);
636 BitBlt(InternalDrag.himl->hdcImage, dst.x, dst.y, cx, cy, himlTrack->hdcImage, src.x, src.y,
637 SRCCOPY);
638 BitBlt(InternalDrag.himl->hdcMask, dst.x, dst.y, cx, cy, himlTrack->hdcMask, src.x, src.y,
639 SRCCOPY);
640
641 InternalDrag.himl->cCurImage = 1;
642
643 return TRUE;
644 }
645
646
647 /*************************************************************************
648 * ImageList_Copy [COMCTL32.@]
649 *
650 * Copies an image of the source image list to an image of the
651 * destination image list. Images can be copied or swapped.
652 *
653 * PARAMS
654 * himlDst [I] handle to the destination image list
655 * iDst [I] destination image index.
656 * himlSrc [I] handle to the source image list
657 * iSrc [I] source image index
658 * uFlags [I] flags for the copy operation
659 *
660 * RETURNS
661 * Success: TRUE
662 * Failure: FALSE
663 *
664 * NOTES
665 * Copying from one image list to another is possible. The original
666 * implementation just copies or swaps within one image list.
667 * Could this feature become a bug??? ;-)
668 */
669
670 BOOL WINAPI
671 ImageList_Copy (HIMAGELIST himlDst, INT iDst, HIMAGELIST himlSrc,
672 INT iSrc, UINT uFlags)
673 {
674 POINT ptSrc, ptDst;
675
676 TRACE("himlDst=%p iDst=%d himlSrc=%p iSrc=%d\n", himlDst, iDst, himlSrc, iSrc);
677
678 if (!is_valid(himlSrc) || !is_valid(himlDst))
679 return FALSE;
680 if ((iDst < 0) || (iDst >= himlDst->cCurImage))
681 return FALSE;
682 if ((iSrc < 0) || (iSrc >= himlSrc->cCurImage))
683 return FALSE;
684
685 imagelist_point_from_index( himlDst, iDst, &ptDst );
686 imagelist_point_from_index( himlSrc, iSrc, &ptSrc );
687
688 if (uFlags & ILCF_SWAP) {
689 /* swap */
690 HDC hdcBmp;
691 HBITMAP hbmTempImage, hbmTempMask;
692
693 hdcBmp = CreateCompatibleDC (0);
694
695 /* create temporary bitmaps */
696 hbmTempImage = CreateBitmap (himlSrc->cx, himlSrc->cy, 1,
697 himlSrc->uBitsPixel, NULL);
698 hbmTempMask = CreateBitmap (himlSrc->cx, himlSrc->cy, 1,
699 1, NULL);
700
701 /* copy (and stretch) destination to temporary bitmaps.(save) */
702 /* image */
703 SelectObject (hdcBmp, hbmTempImage);
704 StretchBlt (hdcBmp, 0, 0, himlSrc->cx, himlSrc->cy,
705 himlDst->hdcImage, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
706 SRCCOPY);
707 /* mask */
708 SelectObject (hdcBmp, hbmTempMask);
709 StretchBlt (hdcBmp, 0, 0, himlSrc->cx, himlSrc->cy,
710 himlDst->hdcMask, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
711 SRCCOPY);
712
713 /* copy (and stretch) source to destination */
714 /* image */
715 StretchBlt (himlDst->hdcImage, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
716 himlSrc->hdcImage, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
717 SRCCOPY);
718 /* mask */
719 StretchBlt (himlDst->hdcMask, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
720 himlSrc->hdcMask, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
721 SRCCOPY);
722
723 /* copy (without stretching) temporary bitmaps to source (restore) */
724 /* mask */
725 BitBlt (himlSrc->hdcMask, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
726 hdcBmp, 0, 0, SRCCOPY);
727
728 /* image */
729 BitBlt (himlSrc->hdcImage, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
730 hdcBmp, 0, 0, SRCCOPY);
731 /* delete temporary bitmaps */
732 DeleteObject (hbmTempMask);
733 DeleteObject (hbmTempImage);
734 DeleteDC(hdcBmp);
735 }
736 else {
737 /* copy image */
738 StretchBlt (himlDst->hdcImage, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
739 himlSrc->hdcImage, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
740 SRCCOPY);
741
742 /* copy mask */
743 StretchBlt (himlDst->hdcMask, ptDst.x, ptDst.y, himlDst->cx, himlDst->cy,
744 himlSrc->hdcMask, ptSrc.x, ptSrc.y, himlSrc->cx, himlSrc->cy,
745 SRCCOPY);
746 }
747
748 return TRUE;
749 }
750
751
752 /*************************************************************************
753 * ImageList_Create [COMCTL32.@]
754 *
755 * Creates a new image list.
756 *
757 * PARAMS
758 * cx [I] image height
759 * cy [I] image width
760 * flags [I] creation flags
761 * cInitial [I] initial number of images in the image list
762 * cGrow [I] number of images by which image list grows
763 *
764 * RETURNS
765 * Success: Handle to the created image list
766 * Failure: NULL
767 */
768 HIMAGELIST WINAPI
769 ImageList_Create (INT cx, INT cy, UINT flags,
770 INT cInitial, INT cGrow)
771 {
772 HIMAGELIST himl;
773 INT nCount;
774 HBITMAP hbmTemp;
775 UINT ilc = (flags & 0xFE);
776 static const WORD aBitBlend25[] =
777 {0xAA, 0x00, 0x55, 0x00, 0xAA, 0x00, 0x55, 0x00};
778
779 static const WORD aBitBlend50[] =
780 {0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA};
781
782 TRACE("(%d %d 0x%x %d %d)\n", cx, cy, flags, cInitial, cGrow);
783
784 if (cx < 0 || cy < 0) return NULL;
785 if (!((flags&ILC_COLORDDB) == ILC_COLORDDB) && (cx == 0 || cy == 0)) return NULL;
786
787 /* Create the IImageList interface for the image list */
788 if (FAILED(ImageListImpl_CreateInstance(NULL, &IID_IImageList, (void **)&himl)))
789 return NULL;
790
791 cGrow = (WORD)((max( cGrow, 1 ) + 3) & ~3);
792
793 if (cGrow > 256)
794 {
795 /* Windows doesn't limit the size here, but X11 doesn't let us allocate such huge bitmaps */
796 WARN( "grow %d too large, limiting to 256\n", cGrow );
797 cGrow = 256;
798 }
799
800 himl->cx = cx;
801 himl->cy = cy;
802 himl->flags = flags;
803 himl->cMaxImage = cInitial + 1;
804 himl->cInitial = cInitial;
805 himl->cGrow = cGrow;
806 himl->clrFg = CLR_DEFAULT;
807 himl->clrBk = CLR_NONE;
808 himl->color_table_set = FALSE;
809
810 /* initialize overlay mask indices */
811 for (nCount = 0; nCount < MAX_OVERLAYIMAGE; nCount++)
812 himl->nOvlIdx[nCount] = -1;
813
814 /* Create Image & Mask DCs */
815 himl->hdcImage = CreateCompatibleDC (0);
816 if (!himl->hdcImage)
817 goto cleanup;
818 if (himl->flags & ILC_MASK){
819 himl->hdcMask = CreateCompatibleDC(0);
820 if (!himl->hdcMask)
821 goto cleanup;
822 }
823
824 /* Default to ILC_COLOR4 if none of the ILC_COLOR* flags are specified */
825 if (ilc == ILC_COLOR)
826 {
827 ilc = ILC_COLOR4;
828 himl->flags |= ILC_COLOR4;
829 }
830
831 if (ilc >= ILC_COLOR4 && ilc <= ILC_COLOR32)
832 himl->uBitsPixel = ilc;
833 else
834 himl->uBitsPixel = (UINT)GetDeviceCaps (himl->hdcImage, BITSPIXEL);
835
836 if (himl->cMaxImage > 0) {
837 himl->hbmImage = ImageList_CreateImage(himl->hdcImage, himl, himl->cMaxImage);
838 SelectObject(himl->hdcImage, himl->hbmImage);
839 } else
840 himl->hbmImage = 0;
841
842 if ((himl->cMaxImage > 0) && (himl->flags & ILC_MASK)) {
843 SIZE sz;
844
845 imagelist_get_bitmap_size(himl, himl->cMaxImage, &sz);
846 himl->hbmMask = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
847 if (himl->hbmMask == 0) {
848 ERR("Error creating mask bitmap!\n");
849 goto cleanup;
850 }
851 SelectObject(himl->hdcMask, himl->hbmMask);
852 }
853 else
854 himl->hbmMask = 0;
855
856 if (ilc == ILC_COLOR32)
857 himl->has_alpha = heap_alloc_zero( himl->cMaxImage );
858 else
859 himl->has_alpha = NULL;
860
861 /* create blending brushes */
862 hbmTemp = CreateBitmap (8, 8, 1, 1, aBitBlend25);
863 himl->hbrBlend25 = CreatePatternBrush (hbmTemp);
864 DeleteObject (hbmTemp);
865
866 hbmTemp = CreateBitmap (8, 8, 1, 1, aBitBlend50);
867 himl->hbrBlend50 = CreatePatternBrush (hbmTemp);
868 DeleteObject (hbmTemp);
869
870 TRACE("created imagelist %p\n", himl);
871 return himl;
872
873 cleanup:
874 ImageList_Destroy(himl);
875 return NULL;
876 }
877
878
879 /*************************************************************************
880 * ImageList_Destroy [COMCTL32.@]
881 *
882 * Destroys an image list.
883 *
884 * PARAMS
885 * himl [I] handle to image list
886 *
887 * RETURNS
888 * Success: TRUE
889 * Failure: FALSE
890 */
891
892 BOOL WINAPI
893 ImageList_Destroy (HIMAGELIST himl)
894 {
895 if (!is_valid(himl))
896 return FALSE;
897
898 IImageList_Release((IImageList *) himl);
899 return TRUE;
900 }
901
902
903 /*************************************************************************
904 * ImageList_DragEnter [COMCTL32.@]
905 *
906 * Locks window update and displays the drag image at the given position.
907 *
908 * PARAMS
909 * hwndLock [I] handle of the window that owns the drag image.
910 * x [I] X position of the drag image.
911 * y [I] Y position of the drag image.
912 *
913 * RETURNS
914 * Success: TRUE
915 * Failure: FALSE
916 *
917 * NOTES
918 * The position of the drag image is relative to the window, not
919 * the client area.
920 */
921
922 BOOL WINAPI
923 ImageList_DragEnter (HWND hwndLock, INT x, INT y)
924 {
925 TRACE("(hwnd=%p x=%d y=%d)\n", hwndLock, x, y);
926
927 if (!is_valid(InternalDrag.himl))
928 return FALSE;
929
930 if (hwndLock)
931 InternalDrag.hwnd = hwndLock;
932 else
933 InternalDrag.hwnd = GetDesktopWindow ();
934
935 InternalDrag.x = x;
936 InternalDrag.y = y;
937
938 /* draw the drag image and save the background */
939 return ImageList_DragShowNolock(TRUE);
940 }
941
942
943 /*************************************************************************
944 * ImageList_DragLeave [COMCTL32.@]
945 *
946 * Unlocks window update and hides the drag image.
947 *
948 * PARAMS
949 * hwndLock [I] handle of the window that owns the drag image.
950 *
951 * RETURNS
952 * Success: TRUE
953 * Failure: FALSE
954 */
955
956 BOOL WINAPI
957 ImageList_DragLeave (HWND hwndLock)
958 {
959 /* As we don't save drag info in the window this can lead to problems if
960 an app does not supply the same window as DragEnter */
961 /* if (hwndLock)
962 InternalDrag.hwnd = hwndLock;
963 else
964 InternalDrag.hwnd = GetDesktopWindow (); */
965 if(!hwndLock)
966 hwndLock = GetDesktopWindow();
967 if(InternalDrag.hwnd != hwndLock)
968 FIXME("DragLeave hWnd != DragEnter hWnd\n");
969
970 ImageList_DragShowNolock (FALSE);
971
972 return TRUE;
973 }
974
975
976 /*************************************************************************
977 * ImageList_InternalDragDraw [Internal]
978 *
979 * Draws the drag image.
980 *
981 * PARAMS
982 * hdc [I] device context to draw into.
983 * x [I] X position of the drag image.
984 * y [I] Y position of the drag image.
985 *
986 * RETURNS
987 * Success: TRUE
988 * Failure: FALSE
989 *
990 * NOTES
991 * The position of the drag image is relative to the window, not
992 * the client area.
993 *
994 */
995
996 static inline void
997 ImageList_InternalDragDraw (HDC hdc, INT x, INT y)
998 {
999 IMAGELISTDRAWPARAMS imldp;
1000
1001 ZeroMemory (&imldp, sizeof(imldp));
1002 imldp.cbSize = sizeof(imldp);
1003 imldp.himl = InternalDrag.himl;
1004 imldp.i = 0;
1005 imldp.hdcDst = hdc,
1006 imldp.x = x;
1007 imldp.y = y;
1008 imldp.rgbBk = CLR_DEFAULT;
1009 imldp.rgbFg = CLR_DEFAULT;
1010 imldp.fStyle = ILD_NORMAL;
1011 imldp.fState = ILS_ALPHA;
1012 imldp.Frame = 192;
1013 ImageList_DrawIndirect (&imldp);
1014 }
1015
1016 /*************************************************************************
1017 * ImageList_DragMove [COMCTL32.@]
1018 *
1019 * Moves the drag image.
1020 *
1021 * PARAMS
1022 * x [I] X position of the drag image.
1023 * y [I] Y position of the drag image.
1024 *
1025 * RETURNS
1026 * Success: TRUE
1027 * Failure: FALSE
1028 *
1029 * NOTES
1030 * The position of the drag image is relative to the window, not
1031 * the client area.
1032 */
1033
1034 BOOL WINAPI
1035 ImageList_DragMove (INT x, INT y)
1036 {
1037 TRACE("(x=%d y=%d)\n", x, y);
1038
1039 if (!is_valid(InternalDrag.himl))
1040 return FALSE;
1041
1042 /* draw/update the drag image */
1043 if (InternalDrag.bShow) {
1044 HDC hdcDrag;
1045 HDC hdcOffScreen;
1046 HDC hdcBg;
1047 HBITMAP hbmOffScreen;
1048 INT origNewX, origNewY;
1049 INT origOldX, origOldY;
1050 INT origRegX, origRegY;
1051 INT sizeRegX, sizeRegY;
1052
1053
1054 /* calculate the update region */
1055 origNewX = x - InternalDrag.dxHotspot;
1056 origNewY = y - InternalDrag.dyHotspot;
1057 origOldX = InternalDrag.x - InternalDrag.dxHotspot;
1058 origOldY = InternalDrag.y - InternalDrag.dyHotspot;
1059 origRegX = min(origNewX, origOldX);
1060 origRegY = min(origNewY, origOldY);
1061 sizeRegX = InternalDrag.himl->cx + abs(x - InternalDrag.x);
1062 sizeRegY = InternalDrag.himl->cy + abs(y - InternalDrag.y);
1063
1064 hdcDrag = GetDCEx(InternalDrag.hwnd, 0,
1065 DCX_WINDOW | DCX_CACHE | DCX_LOCKWINDOWUPDATE);
1066 hdcOffScreen = CreateCompatibleDC(hdcDrag);
1067 hdcBg = CreateCompatibleDC(hdcDrag);
1068
1069 hbmOffScreen = CreateCompatibleBitmap(hdcDrag, sizeRegX, sizeRegY);
1070 SelectObject(hdcOffScreen, hbmOffScreen);
1071 SelectObject(hdcBg, InternalDrag.hbmBg);
1072
1073 /* get the actual background of the update region */
1074 BitBlt(hdcOffScreen, 0, 0, sizeRegX, sizeRegY, hdcDrag,
1075 origRegX, origRegY, SRCCOPY);
1076 /* erase the old image */
1077 BitBlt(hdcOffScreen, origOldX - origRegX, origOldY - origRegY,
1078 InternalDrag.himl->cx, InternalDrag.himl->cy, hdcBg, 0, 0,
1079 SRCCOPY);
1080 /* save the background */
1081 BitBlt(hdcBg, 0, 0, InternalDrag.himl->cx, InternalDrag.himl->cy,
1082 hdcOffScreen, origNewX - origRegX, origNewY - origRegY, SRCCOPY);
1083 /* draw the image */
1084 ImageList_InternalDragDraw(hdcOffScreen, origNewX - origRegX,
1085 origNewY - origRegY);
1086 /* draw the update region to the screen */
1087 BitBlt(hdcDrag, origRegX, origRegY, sizeRegX, sizeRegY,
1088 hdcOffScreen, 0, 0, SRCCOPY);
1089
1090 DeleteDC(hdcBg);
1091 DeleteDC(hdcOffScreen);
1092 DeleteObject(hbmOffScreen);
1093 ReleaseDC(InternalDrag.hwnd, hdcDrag);
1094 }
1095
1096 /* update the image position */
1097 InternalDrag.x = x;
1098 InternalDrag.y = y;
1099
1100 return TRUE;
1101 }
1102
1103
1104 /*************************************************************************
1105 * ImageList_DragShowNolock [COMCTL32.@]
1106 *
1107 * Shows or hides the drag image.
1108 *
1109 * PARAMS
1110 * bShow [I] TRUE shows the drag image, FALSE hides it.
1111 *
1112 * RETURNS
1113 * Success: TRUE
1114 * Failure: FALSE
1115 */
1116
1117 BOOL WINAPI
1118 ImageList_DragShowNolock (BOOL bShow)
1119 {
1120 HDC hdcDrag;
1121 HDC hdcBg;
1122 INT x, y;
1123
1124 if (!is_valid(InternalDrag.himl))
1125 return FALSE;
1126
1127 TRACE("bShow=0x%X!\n", bShow);
1128
1129 /* DragImage is already visible/hidden */
1130 if ((InternalDrag.bShow && bShow) || (!InternalDrag.bShow && !bShow)) {
1131 return FALSE;
1132 }
1133
1134 /* position of the origin of the DragImage */
1135 x = InternalDrag.x - InternalDrag.dxHotspot;
1136 y = InternalDrag.y - InternalDrag.dyHotspot;
1137
1138 hdcDrag = GetDCEx (InternalDrag.hwnd, 0,
1139 DCX_WINDOW | DCX_CACHE | DCX_LOCKWINDOWUPDATE);
1140 if (!hdcDrag) {
1141 return FALSE;
1142 }
1143
1144 hdcBg = CreateCompatibleDC(hdcDrag);
1145 if (!InternalDrag.hbmBg) {
1146 InternalDrag.hbmBg = CreateCompatibleBitmap(hdcDrag,
1147 InternalDrag.himl->cx, InternalDrag.himl->cy);
1148 }
1149 SelectObject(hdcBg, InternalDrag.hbmBg);
1150
1151 if (bShow) {
1152 /* save the background */
1153 BitBlt(hdcBg, 0, 0, InternalDrag.himl->cx, InternalDrag.himl->cy,
1154 hdcDrag, x, y, SRCCOPY);
1155 /* show the image */
1156 ImageList_InternalDragDraw(hdcDrag, x, y);
1157 } else {
1158 /* hide the image */
1159 BitBlt(hdcDrag, x, y, InternalDrag.himl->cx, InternalDrag.himl->cy,
1160 hdcBg, 0, 0, SRCCOPY);
1161 }
1162
1163 InternalDrag.bShow = !InternalDrag.bShow;
1164
1165 DeleteDC(hdcBg);
1166 ReleaseDC (InternalDrag.hwnd, hdcDrag);
1167 return TRUE;
1168 }
1169
1170
1171 /*************************************************************************
1172 * ImageList_Draw [COMCTL32.@]
1173 *
1174 * Draws an image.
1175 *
1176 * PARAMS
1177 * himl [I] handle to image list
1178 * i [I] image index
1179 * hdc [I] handle to device context
1180 * x [I] x position
1181 * y [I] y position
1182 * fStyle [I] drawing flags
1183 *
1184 * RETURNS
1185 * Success: TRUE
1186 * Failure: FALSE
1187 *
1188 * SEE
1189 * ImageList_DrawEx.
1190 */
1191
1192 BOOL WINAPI
1193 ImageList_Draw (HIMAGELIST himl, INT i, HDC hdc, INT x, INT y, UINT fStyle)
1194 {
1195 return ImageList_DrawEx (himl, i, hdc, x, y, 0, 0,
1196 CLR_DEFAULT, CLR_DEFAULT, fStyle);
1197 }
1198
1199
1200 /*************************************************************************
1201 * ImageList_DrawEx [COMCTL32.@]
1202 *
1203 * Draws an image and allows using extended drawing features.
1204 *
1205 * PARAMS
1206 * himl [I] handle to image list
1207 * i [I] image index
1208 * hdc [I] handle to device context
1209 * x [I] X position
1210 * y [I] Y position
1211 * dx [I] X offset
1212 * dy [I] Y offset
1213 * rgbBk [I] background color
1214 * rgbFg [I] foreground color
1215 * fStyle [I] drawing flags
1216 *
1217 * RETURNS
1218 * Success: TRUE
1219 * Failure: FALSE
1220 *
1221 * NOTES
1222 * Calls ImageList_DrawIndirect.
1223 *
1224 * SEE
1225 * ImageList_DrawIndirect.
1226 */
1227
1228 BOOL WINAPI
1229 ImageList_DrawEx (HIMAGELIST himl, INT i, HDC hdc, INT x, INT y,
1230 INT dx, INT dy, COLORREF rgbBk, COLORREF rgbFg,
1231 UINT fStyle)
1232 {
1233 IMAGELISTDRAWPARAMS imldp;
1234
1235 ZeroMemory (&imldp, sizeof(imldp));
1236 imldp.cbSize = sizeof(imldp);
1237 imldp.himl = himl;
1238 imldp.i = i;
1239 imldp.hdcDst = hdc,
1240 imldp.x = x;
1241 imldp.y = y;
1242 imldp.cx = dx;
1243 imldp.cy = dy;
1244 imldp.rgbBk = rgbBk;
1245 imldp.rgbFg = rgbFg;
1246 imldp.fStyle = fStyle;
1247
1248 return ImageList_DrawIndirect (&imldp);
1249 }
1250
1251 #ifdef __REACTOS__
1252 static BOOL alpha_blend_image( HIMAGELIST himl, HDC srce_dc, HDC dest_dc, int dest_x, int dest_y,
1253 #else
1254 static BOOL alpha_blend_image( HIMAGELIST himl, HDC dest_dc, int dest_x, int dest_y,
1255 #endif
1256 int src_x, int src_y, int cx, int cy, BLENDFUNCTION func,
1257 UINT style, COLORREF blend_col )
1258 {
1259 BOOL ret = FALSE;
1260 HDC hdc;
1261 HBITMAP bmp = 0, mask = 0;
1262 BITMAPINFO *info;
1263 void *bits, *mask_bits;
1264 unsigned int *ptr;
1265 int i, j;
1266
1267 if (!(hdc = CreateCompatibleDC( 0 ))) return FALSE;
1268 if (!(info = heap_alloc( FIELD_OFFSET( BITMAPINFO, bmiColors[256] )))) goto done;
1269 info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
1270 info->bmiHeader.biWidth = cx;
1271 info->bmiHeader.biHeight = cy;
1272 info->bmiHeader.biPlanes = 1;
1273 info->bmiHeader.biBitCount = 32;
1274 info->bmiHeader.biCompression = BI_RGB;
1275 info->bmiHeader.biSizeImage = cx * cy * 4;
1276 info->bmiHeader.biXPelsPerMeter = 0;
1277 info->bmiHeader.biYPelsPerMeter = 0;
1278 info->bmiHeader.biClrUsed = 0;
1279 info->bmiHeader.biClrImportant = 0;
1280 #ifdef __REACTOS__
1281 if (!(bmp = CreateDIBSection( srce_dc, info, DIB_RGB_COLORS, &bits, 0, 0 ))) goto done;
1282 #else
1283 if (!(bmp = CreateDIBSection( himl->hdcImage, info, DIB_RGB_COLORS, &bits, 0, 0 ))) goto done;
1284 #endif
1285 SelectObject( hdc, bmp );
1286 #ifdef __REACTOS__
1287 BitBlt( hdc, 0, 0, cx, cy, srce_dc, src_x, src_y, SRCCOPY );
1288 #else
1289 BitBlt( hdc, 0, 0, cx, cy, himl->hdcImage, src_x, src_y, SRCCOPY );
1290 #endif
1291
1292 if (blend_col != CLR_NONE)
1293 {
1294 BYTE r = GetRValue( blend_col );
1295 BYTE g = GetGValue( blend_col );
1296 BYTE b = GetBValue( blend_col );
1297
1298 if (style & ILD_BLEND25)
1299 {
1300 for (i = 0, ptr = bits; i < cx * cy; i++, ptr++)
1301 *ptr = ((*ptr & 0xff000000) |
1302 ((((*ptr & 0x00ff0000) * 3 + (r << 16)) / 4) & 0x00ff0000) |
1303 ((((*ptr & 0x0000ff00) * 3 + (g << 8)) / 4) & 0x0000ff00) |
1304 ((((*ptr & 0x000000ff) * 3 + (b << 0)) / 4) & 0x000000ff));
1305 }
1306 else if (style & ILD_BLEND50)
1307 {
1308 for (i = 0, ptr = bits; i < cx * cy; i++, ptr++)
1309 *ptr = ((*ptr & 0xff000000) |
1310 ((((*ptr & 0x00ff0000) + (r << 16)) / 2) & 0x00ff0000) |
1311 ((((*ptr & 0x0000ff00) + (g << 8)) / 2) & 0x0000ff00) |
1312 ((((*ptr & 0x000000ff) + (b << 0)) / 2) & 0x000000ff));
1313 }
1314 }
1315
1316 if (himl->has_alpha) /* we already have an alpha channel in this case */
1317 {
1318 /* pre-multiply by the alpha channel */
1319 for (i = 0, ptr = bits; i < cx * cy; i++, ptr++)
1320 {
1321 DWORD alpha = *ptr >> 24;
1322 *ptr = ((*ptr & 0xff000000) |
1323 (((*ptr & 0x00ff0000) * alpha / 255) & 0x00ff0000) |
1324 (((*ptr & 0x0000ff00) * alpha / 255) & 0x0000ff00) |
1325 (((*ptr & 0x000000ff) * alpha / 255)));
1326 }
1327 }
1328 else if (himl->hbmMask)
1329 {
1330 unsigned int width_bytes = (cx + 31) / 32 * 4;
1331 /* generate alpha channel from the mask */
1332 info->bmiHeader.biBitCount = 1;
1333 info->bmiHeader.biSizeImage = width_bytes * cy;
1334 info->bmiColors[0].rgbRed = 0;
1335 info->bmiColors[0].rgbGreen = 0;
1336 info->bmiColors[0].rgbBlue = 0;
1337 info->bmiColors[0].rgbReserved = 0;
1338 info->bmiColors[1].rgbRed = 0xff;
1339 info->bmiColors[1].rgbGreen = 0xff;
1340 info->bmiColors[1].rgbBlue = 0xff;
1341 info->bmiColors[1].rgbReserved = 0;
1342 if (!(mask = CreateDIBSection( himl->hdcMask, info, DIB_RGB_COLORS, &mask_bits, 0, 0 )))
1343 goto done;
1344 SelectObject( hdc, mask );
1345 BitBlt( hdc, 0, 0, cx, cy, himl->hdcMask, src_x, src_y, SRCCOPY );
1346 SelectObject( hdc, bmp );
1347 for (i = 0, ptr = bits; i < cy; i++)
1348 for (j = 0; j < cx; j++, ptr++)
1349 if ((((BYTE *)mask_bits)[i * width_bytes + j / 8] << (j % 8)) & 0x80) *ptr = 0;
1350 else *ptr |= 0xff000000;
1351 }
1352
1353 ret = GdiAlphaBlend( dest_dc, dest_x, dest_y, cx, cy, hdc, 0, 0, cx, cy, func );
1354
1355 done:
1356 DeleteDC( hdc );
1357 if (bmp) DeleteObject( bmp );
1358 if (mask) DeleteObject( mask );
1359 heap_free( info );
1360 return ret;
1361 }
1362
1363 #ifdef __REACTOS__
1364 HDC saturate_image( HIMAGELIST himl, HDC dest_dc, int dest_x, int dest_y,
1365 int src_x, int src_y, int cx, int cy, COLORREF rgbFg)
1366 {
1367 HDC hdc = NULL;
1368 HBITMAP bmp = 0;
1369 BITMAPINFO *info;
1370
1371 unsigned int *ptr;
1372 void *bits;
1373 int i;
1374
1375 /* create a dc and its device independent bitmap for doing the work,
1376 shamelessly copied from the alpha-blending function above */
1377 if (!(hdc = CreateCompatibleDC( 0 ))) return FALSE;
1378 if (!(info = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO, bmiColors[256] )))) goto done;
1379 info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
1380 info->bmiHeader.biWidth = cx;
1381 info->bmiHeader.biHeight = cy;
1382 info->bmiHeader.biPlanes = 1;
1383 info->bmiHeader.biBitCount = 32;
1384 info->bmiHeader.biCompression = BI_RGB;
1385 info->bmiHeader.biSizeImage = cx * cy * 4;
1386 info->bmiHeader.biXPelsPerMeter = 0;
1387 info->bmiHeader.biYPelsPerMeter = 0;
1388 info->bmiHeader.biClrUsed = 0;
1389 info->bmiHeader.biClrImportant = 0;
1390 if (!(bmp = CreateDIBSection(himl->hdcImage, info, DIB_RGB_COLORS, &bits, 0, 0 ))) goto done;
1391
1392 /* bind both surfaces */
1393 SelectObject(hdc, bmp);
1394
1395 /* copy into our dc the section that covers just the icon we we're asked for */
1396 BitBlt(hdc, 0, 0, cx, cy, himl->hdcImage, src_x, src_y, SRCCOPY);
1397
1398 /* loop every pixel of the bitmap */
1399 for (i = 0, ptr = bits; i < cx * cy; i++, ptr++)
1400 {
1401 COLORREF orig_color = *ptr;
1402
1403 /* calculate the effective luminance using the constants from here, adapted to the human eye:
1404 <http://bobpowell.net/grayscale.aspx> */
1405 float mixed_color = (GetRValue(orig_color) * .30 +
1406 GetGValue(orig_color) * .59 +
1407 GetBValue(orig_color) * .11);
1408
1409 *ptr = RGBA(mixed_color, mixed_color, mixed_color, GetAValue(orig_color));
1410 }
1411
1412 done:
1413
1414 if (bmp)
1415 DeleteObject(bmp);
1416
1417 if (info)
1418 HeapFree(GetProcessHeap(), 0, info);
1419
1420 /* return the handle to our desaturated dc, that will substitute its original counterpart in the next calls */
1421 return hdc;
1422 }
1423 #endif /* __REACTOS__ */
1424
1425 /*************************************************************************
1426 * ImageList_DrawIndirect [COMCTL32.@]
1427 *
1428 * Draws an image using various parameters specified in pimldp.
1429 *
1430 * PARAMS
1431 * pimldp [I] pointer to IMAGELISTDRAWPARAMS structure.
1432 *
1433 * RETURNS
1434 * Success: TRUE
1435 * Failure: FALSE
1436 */
1437
1438 BOOL WINAPI
1439 ImageList_DrawIndirect (IMAGELISTDRAWPARAMS *pimldp)
1440 {
1441 INT cx, cy, nOvlIdx;
1442 DWORD fState, dwRop;
1443 UINT fStyle;
1444 COLORREF oldImageBk, oldImageFg;
1445 HDC hImageDC, hImageListDC, hMaskListDC;
1446 HBITMAP hImageBmp, hOldImageBmp, hBlendMaskBmp;
1447 BOOL bIsTransparent, bBlend, bResult = FALSE, bMask;
1448 HIMAGELIST himl;
1449 HBRUSH hOldBrush;
1450 POINT pt;
1451 BOOL has_alpha;
1452 #ifdef __REACTOS__
1453 HDC hdcSaturated = NULL;
1454 #endif
1455
1456 if (!pimldp || !(himl = pimldp->himl)) return FALSE;
1457 if (!is_valid(himl)) return FALSE;
1458 if ((pimldp->i < 0) || (pimldp->i >= himl->cCurImage)) return FALSE;
1459
1460 imagelist_point_from_index( himl, pimldp->i, &pt );
1461 pt.x += pimldp->xBitmap;
1462 pt.y += pimldp->yBitmap;
1463
1464 fState = pimldp->cbSize < sizeof(IMAGELISTDRAWPARAMS) ? ILS_NORMAL : pimldp->fState;
1465 fStyle = pimldp->fStyle & ~ILD_OVERLAYMASK;
1466 cx = (pimldp->cx == 0) ? himl->cx : pimldp->cx;
1467 cy = (pimldp->cy == 0) ? himl->cy : pimldp->cy;
1468
1469 bIsTransparent = (fStyle & ILD_TRANSPARENT);
1470 if( pimldp->rgbBk == CLR_NONE )
1471 bIsTransparent = TRUE;
1472 if( ( pimldp->rgbBk == CLR_DEFAULT ) && ( himl->clrBk == CLR_NONE ) )
1473 bIsTransparent = TRUE;
1474 bMask = (himl->flags & ILC_MASK) && (fStyle & ILD_MASK) ;
1475 bBlend = (fStyle & (ILD_BLEND25 | ILD_BLEND50) ) && !bMask;
1476
1477 TRACE("himl(%p) hbmMask(%p) iImage(%d) x(%d) y(%d) cx(%d) cy(%d)\n",
1478 himl, himl->hbmMask, pimldp->i, pimldp->x, pimldp->y, cx, cy);
1479
1480 /* we will use these DCs to access the images and masks in the ImageList */
1481 hImageListDC = himl->hdcImage;
1482 hMaskListDC = himl->hdcMask;
1483
1484 /* these will accumulate the image and mask for the image we're drawing */
1485 hImageDC = CreateCompatibleDC( pimldp->hdcDst );
1486 hImageBmp = CreateCompatibleBitmap( pimldp->hdcDst, cx, cy );
1487 hBlendMaskBmp = bBlend ? CreateBitmap(cx, cy, 1, 1, NULL) : 0;
1488
1489 /* Create a compatible DC. */
1490 if (!hImageListDC || !hImageDC || !hImageBmp ||
1491 (bBlend && !hBlendMaskBmp) || (himl->hbmMask && !hMaskListDC))
1492 goto cleanup;
1493
1494 hOldImageBmp = SelectObject(hImageDC, hImageBmp);
1495
1496 /*
1497 * To obtain a transparent look, background color should be set
1498 * to white and foreground color to black when blitting the
1499 * monochrome mask.
1500 */
1501 oldImageFg = SetTextColor( hImageDC, RGB( 0, 0, 0 ) );
1502 oldImageBk = SetBkColor( hImageDC, RGB( 0xff, 0xff, 0xff ) );
1503
1504 #ifdef __REACTOS__
1505 /*
1506 * If the ILS_SATURATE bit is enabled we should multiply the
1507 * RGB colors of the original image by the contents of rgbFg.
1508 */
1509 if (fState & ILS_SATURATE)
1510 {
1511 hdcSaturated = saturate_image(himl, pimldp->hdcDst, pimldp->x, pimldp->y,
1512 pt.x, pt.y, cx, cy, pimldp->rgbFg);
1513
1514 hImageListDC = hdcSaturated;
1515 /* shitty way of getting subroutines to blit at the right place (top left corner),
1516 as our modified imagelist only contains a single image for performance reasons */
1517 pt.x = 0;
1518 pt.y = 0;
1519 }
1520 #endif
1521
1522 has_alpha = (himl->has_alpha && himl->has_alpha[pimldp->i]);
1523 if (!bMask && (has_alpha || (fState & ILS_ALPHA)))
1524 {
1525 COLORREF colour, blend_col = CLR_NONE;
1526 BLENDFUNCTION func;
1527
1528 if (bBlend)
1529 {
1530 blend_col = pimldp->rgbFg;
1531 if (blend_col == CLR_DEFAULT) blend_col = GetSysColor( COLOR_HIGHLIGHT );
1532 else if (blend_col == CLR_NONE) blend_col = GetTextColor( pimldp->hdcDst );
1533 }
1534
1535 func.BlendOp = AC_SRC_OVER;
1536 func.BlendFlags = 0;
1537 func.SourceConstantAlpha = (fState & ILS_ALPHA) ? pimldp->Frame : 255;
1538 func.AlphaFormat = AC_SRC_ALPHA;
1539
1540 if (bIsTransparent)
1541 {
1542 #ifdef __REACTOS__
1543 bResult = alpha_blend_image( himl, hImageListDC, pimldp->hdcDst, pimldp->x, pimldp->y,
1544 #else
1545 bResult = alpha_blend_image( himl, pimldp->hdcDst, pimldp->x, pimldp->y,
1546 #endif
1547 pt.x, pt.y, cx, cy, func, fStyle, blend_col );
1548 goto end;
1549 }
1550 colour = pimldp->rgbBk;
1551 if (colour == CLR_DEFAULT) colour = himl->clrBk;
1552 if (colour == CLR_NONE) colour = GetBkColor( pimldp->hdcDst );
1553
1554 hOldBrush = SelectObject (hImageDC, CreateSolidBrush (colour));
1555 PatBlt( hImageDC, 0, 0, cx, cy, PATCOPY );
1556 #ifdef __REACTOS__
1557 alpha_blend_image( himl, hImageListDC, hImageDC, 0, 0, pt.x, pt.y, cx, cy, func, fStyle, blend_col );
1558 #else
1559 alpha_blend_image( himl, hImageDC, 0, 0, pt.x, pt.y, cx, cy, func, fStyle, blend_col );
1560 #endif
1561 DeleteObject (SelectObject (hImageDC, hOldBrush));
1562 bResult = BitBlt( pimldp->hdcDst, pimldp->x, pimldp->y, cx, cy, hImageDC, 0, 0, SRCCOPY );
1563 goto end;
1564 }
1565
1566 /*
1567 * Draw the initial image
1568 */
1569 if( bMask ) {
1570 if (himl->hbmMask) {
1571 hOldBrush = SelectObject (hImageDC, CreateSolidBrush (GetTextColor(pimldp->hdcDst)));
1572 PatBlt( hImageDC, 0, 0, cx, cy, PATCOPY );
1573 BitBlt(hImageDC, 0, 0, cx, cy, hMaskListDC, pt.x, pt.y, SRCPAINT);
1574 DeleteObject (SelectObject (hImageDC, hOldBrush));
1575 if( bIsTransparent )
1576 {
1577 BitBlt ( pimldp->hdcDst, pimldp->x, pimldp->y, cx, cy, hImageDC, 0, 0, SRCAND);
1578 bResult = TRUE;
1579 goto end;
1580 }
1581 } else {
1582 hOldBrush = SelectObject (hImageDC, GetStockObject(BLACK_BRUSH));
1583 PatBlt( hImageDC, 0, 0, cx, cy, PATCOPY);
1584 SelectObject(hImageDC, hOldBrush);
1585 }
1586 } else {
1587 /* blend the image with the needed solid background */
1588 COLORREF colour = RGB(0,0,0);
1589
1590 if( !bIsTransparent )
1591 {
1592 colour = pimldp->rgbBk;
1593 if( colour == CLR_DEFAULT )
1594 colour = himl->clrBk;
1595 if( colour == CLR_NONE )
1596 colour = GetBkColor(pimldp->hdcDst);
1597 }
1598
1599 hOldBrush = SelectObject (hImageDC, CreateSolidBrush (colour));
1600 PatBlt( hImageDC, 0, 0, cx, cy, PATCOPY );
1601 if (himl->hbmMask)
1602 {
1603 BitBlt( hImageDC, 0, 0, cx, cy, hMaskListDC, pt.x, pt.y, SRCAND );
1604 BitBlt( hImageDC, 0, 0, cx, cy, hImageListDC, pt.x, pt.y, SRCPAINT );
1605 }
1606 else
1607 BitBlt( hImageDC, 0, 0, cx, cy, hImageListDC, pt.x, pt.y, SRCCOPY);
1608 DeleteObject (SelectObject (hImageDC, hOldBrush));
1609 }
1610
1611 /* Time for blending, if required */
1612 if (bBlend) {
1613 HBRUSH hBlendBrush;
1614 COLORREF clrBlend = pimldp->rgbFg;
1615 HDC hBlendMaskDC = hImageListDC;
1616 HBITMAP hOldBitmap;
1617
1618 /* Create the blend Mask */
1619 hOldBitmap = SelectObject(hBlendMaskDC, hBlendMaskBmp);
1620 hBlendBrush = fStyle & ILD_BLEND50 ? himl->hbrBlend50 : himl->hbrBlend25;
1621 hOldBrush = SelectObject(hBlendMaskDC, hBlendBrush);
1622 PatBlt(hBlendMaskDC, 0, 0, cx, cy, PATCOPY);
1623 SelectObject(hBlendMaskDC, hOldBrush);
1624
1625 /* Modify the blend mask if an Image Mask exist */
1626 if(himl->hbmMask) {
1627 BitBlt(hBlendMaskDC, 0, 0, cx, cy, hMaskListDC, pt.x, pt.y, 0x220326); /* NOTSRCAND */
1628 BitBlt(hBlendMaskDC, 0, 0, cx, cy, hBlendMaskDC, 0, 0, NOTSRCCOPY);
1629 }
1630
1631 /* now apply blend to the current image given the BlendMask */
1632 if (clrBlend == CLR_DEFAULT) clrBlend = GetSysColor (COLOR_HIGHLIGHT);
1633 else if (clrBlend == CLR_NONE) clrBlend = GetTextColor (pimldp->hdcDst);
1634 hOldBrush = SelectObject (hImageDC, CreateSolidBrush(clrBlend));
1635 BitBlt (hImageDC, 0, 0, cx, cy, hBlendMaskDC, 0, 0, 0xB8074A); /* PSDPxax */
1636 DeleteObject(SelectObject(hImageDC, hOldBrush));
1637 SelectObject(hBlendMaskDC, hOldBitmap);
1638 }
1639
1640 /* Now do the overlay image, if any */
1641 nOvlIdx = (pimldp->fStyle & ILD_OVERLAYMASK) >> 8;
1642 if ( (nOvlIdx >= 1) && (nOvlIdx <= MAX_OVERLAYIMAGE)) {
1643 nOvlIdx = himl->nOvlIdx[nOvlIdx - 1];
1644 if ((nOvlIdx >= 0) && (nOvlIdx < himl->cCurImage)) {
1645 POINT ptOvl;
1646 imagelist_point_from_index( himl, nOvlIdx, &ptOvl );
1647 ptOvl.x += pimldp->xBitmap;
1648 if (himl->hbmMask && !(fStyle & ILD_IMAGE))
1649 BitBlt (hImageDC, 0, 0, cx, cy, hMaskListDC, ptOvl.x, ptOvl.y, SRCAND);
1650 BitBlt (hImageDC, 0, 0, cx, cy, hImageListDC, ptOvl.x, ptOvl.y, SRCPAINT);
1651 }
1652 }
1653
1654 #ifndef __REACTOS__
1655 if (fState & ILS_SATURATE) FIXME("ILS_SATURATE: unimplemented!\n");
1656 #endif
1657 if (fState & ILS_GLOW) FIXME("ILS_GLOW: unimplemented!\n");
1658 if (fState & ILS_SHADOW) FIXME("ILS_SHADOW: unimplemented!\n");
1659
1660 if (fStyle & ILD_PRESERVEALPHA) FIXME("ILD_PRESERVEALPHA: unimplemented!\n");
1661 if (fStyle & ILD_SCALE) FIXME("ILD_SCALE: unimplemented!\n");
1662 if (fStyle & ILD_DPISCALE) FIXME("ILD_DPISCALE: unimplemented!\n");
1663
1664 /* now copy the image to the screen */
1665 dwRop = SRCCOPY;
1666 if (himl->hbmMask && bIsTransparent ) {
1667 COLORREF oldDstFg = SetTextColor(pimldp->hdcDst, RGB( 0, 0, 0 ) );
1668 COLORREF oldDstBk = SetBkColor(pimldp->hdcDst, RGB( 0xff, 0xff, 0xff ));
1669 BitBlt (pimldp->hdcDst, pimldp->x, pimldp->y, cx, cy, hMaskListDC, pt.x, pt.y, SRCAND);
1670 SetBkColor(pimldp->hdcDst, oldDstBk);
1671 SetTextColor(pimldp->hdcDst, oldDstFg);
1672 dwRop = SRCPAINT;
1673 }
1674 if (fStyle & ILD_ROP) dwRop = pimldp->dwRop;
1675 BitBlt (pimldp->hdcDst, pimldp->x, pimldp->y, cx, cy, hImageDC, 0, 0, dwRop);
1676
1677 bResult = TRUE;
1678 end:
1679 /* cleanup the mess */
1680 SetBkColor(hImageDC, oldImageBk);
1681 SetTextColor(hImageDC, oldImageFg);
1682 SelectObject(hImageDC, hOldImageBmp);
1683 cleanup:
1684 #ifdef __REACTOS__
1685 if (hdcSaturated)
1686 DeleteDC(hdcSaturated);
1687 #endif
1688 DeleteObject(hBlendMaskBmp);
1689 DeleteObject(hImageBmp);
1690 DeleteDC(hImageDC);
1691
1692 return bResult;
1693 }
1694
1695
1696 /*************************************************************************
1697 * ImageList_Duplicate [COMCTL32.@]
1698 *
1699 * Duplicates an image list.
1700 *
1701 * PARAMS
1702 * himlSrc [I] source image list handle
1703 *
1704 * RETURNS
1705 * Success: Handle of duplicated image list.
1706 * Failure: NULL
1707 */
1708
1709 HIMAGELIST WINAPI
1710 ImageList_Duplicate (HIMAGELIST himlSrc)
1711 {
1712 HIMAGELIST himlDst;
1713
1714 if (!is_valid(himlSrc)) {
1715 ERR("Invalid image list handle!\n");
1716 return NULL;
1717 }
1718
1719 himlDst = ImageList_Create (himlSrc->cx, himlSrc->cy, himlSrc->flags,
1720 himlSrc->cCurImage, himlSrc->cGrow);
1721
1722 if (himlDst)
1723 {
1724 SIZE sz;
1725
1726 imagelist_get_bitmap_size(himlSrc, himlSrc->cCurImage, &sz);
1727 BitBlt (himlDst->hdcImage, 0, 0, sz.cx, sz.cy,
1728 himlSrc->hdcImage, 0, 0, SRCCOPY);
1729
1730 if (himlDst->hbmMask)
1731 BitBlt (himlDst->hdcMask, 0, 0, sz.cx, sz.cy,
1732 himlSrc->hdcMask, 0, 0, SRCCOPY);
1733
1734 himlDst->cCurImage = himlSrc->cCurImage;
1735 if (himlSrc->has_alpha && himlDst->has_alpha)
1736 memcpy( himlDst->has_alpha, himlSrc->has_alpha, himlDst->cCurImage );
1737 }
1738 return himlDst;
1739 }
1740
1741
1742 /*************************************************************************
1743 * ImageList_EndDrag [COMCTL32.@]
1744 *
1745 * Finishes a drag operation.
1746 *
1747 * PARAMS
1748 * no Parameters
1749 *
1750 * RETURNS
1751 * Success: TRUE
1752 * Failure: FALSE
1753 */
1754
1755 VOID WINAPI
1756 ImageList_EndDrag (void)
1757 {
1758 /* cleanup the InternalDrag struct */
1759 InternalDrag.hwnd = 0;
1760 if (InternalDrag.himl != InternalDrag.himlNoCursor)
1761 ImageList_Destroy (InternalDrag.himlNoCursor);
1762 ImageList_Destroy (InternalDrag.himl);
1763 InternalDrag.himlNoCursor = InternalDrag.himl = 0;
1764 InternalDrag.x= 0;
1765 InternalDrag.y= 0;
1766 InternalDrag.dxHotspot = 0;
1767 InternalDrag.dyHotspot = 0;
1768 InternalDrag.bShow = FALSE;
1769 DeleteObject(InternalDrag.hbmBg);
1770 InternalDrag.hbmBg = 0;
1771 }
1772
1773
1774 /*************************************************************************
1775 * ImageList_GetBkColor [COMCTL32.@]
1776 *
1777 * Returns the background color of an image list.
1778 *
1779 * PARAMS
1780 * himl [I] Image list handle.
1781 *
1782 * RETURNS
1783 * Success: background color
1784 * Failure: CLR_NONE
1785 */
1786
1787 COLORREF WINAPI
1788 ImageList_GetBkColor (HIMAGELIST himl)
1789 {
1790 return himl ? himl->clrBk : CLR_NONE;
1791 }
1792
1793
1794 /*************************************************************************
1795 * ImageList_GetDragImage [COMCTL32.@]
1796 *
1797 * Returns the handle to the internal drag image list.
1798 *
1799 * PARAMS
1800 * ppt [O] Pointer to the drag position. Can be NULL.
1801 * pptHotspot [O] Pointer to the position of the hot spot. Can be NULL.
1802 *
1803 * RETURNS
1804 * Success: Handle of the drag image list.
1805 * Failure: NULL.
1806 */
1807
1808 HIMAGELIST WINAPI
1809 ImageList_GetDragImage (POINT *ppt, POINT *pptHotspot)
1810 {
1811 if (is_valid(InternalDrag.himl)) {
1812 if (ppt) {
1813 ppt->x = InternalDrag.x;
1814 ppt->y = InternalDrag.y;
1815 }
1816 if (pptHotspot) {
1817 pptHotspot->x = InternalDrag.dxHotspot;
1818 pptHotspot->y = InternalDrag.dyHotspot;
1819 }
1820 return (InternalDrag.himl);
1821 }
1822
1823 return NULL;
1824 }
1825
1826
1827 /*************************************************************************
1828 * ImageList_GetFlags [COMCTL32.@]
1829 *
1830 * Gets the flags of the specified image list.
1831 *
1832 * PARAMS
1833 * himl [I] Handle to image list
1834 *
1835 * RETURNS
1836 * Image list flags.
1837 *
1838 * BUGS
1839 * Stub.
1840 */
1841
1842 DWORD WINAPI
1843 ImageList_GetFlags(HIMAGELIST himl)
1844 {
1845 TRACE("%p\n", himl);
1846
1847 return is_valid(himl) ? himl->flags : 0;
1848 }
1849
1850
1851 /*************************************************************************
1852 * ImageList_GetIcon [COMCTL32.@]
1853 *
1854 * Creates an icon from a masked image of an image list.
1855 *
1856 * PARAMS
1857 * himl [I] handle to image list
1858 * i [I] image index
1859 * flags [I] drawing style flags
1860 *
1861 * RETURNS
1862 * Success: icon handle
1863 * Failure: NULL
1864 */
1865
1866 HICON WINAPI
1867 ImageList_GetIcon (HIMAGELIST himl, INT i, UINT fStyle)
1868 {
1869 ICONINFO ii;
1870 HICON hIcon;
1871 HBITMAP hOldDstBitmap;
1872 HDC hdcDst;
1873 POINT pt;
1874
1875 TRACE("%p %d %d\n", himl, i, fStyle);
1876 if (!is_valid(himl) || (i < 0) || (i >= himl->cCurImage)) return NULL;
1877
1878 ii.fIcon = TRUE;
1879 ii.xHotspot = 0;
1880 ii.yHotspot = 0;
1881
1882 /* create colour bitmap */
1883 hdcDst = GetDC(0);
1884 ii.hbmColor = CreateCompatibleBitmap(hdcDst, himl->cx, himl->cy);
1885 ReleaseDC(0, hdcDst);
1886
1887 hdcDst = CreateCompatibleDC(0);
1888
1889 imagelist_point_from_index( himl, i, &pt );
1890
1891 /* draw mask*/
1892 ii.hbmMask = CreateBitmap (himl->cx, himl->cy, 1, 1, NULL);
1893 hOldDstBitmap = SelectObject (hdcDst, ii.hbmMask);
1894 if (himl->hbmMask) {
1895 BitBlt (hdcDst, 0, 0, himl->cx, himl->cy,
1896 himl->hdcMask, pt.x, pt.y, SRCCOPY);
1897 }
1898 else
1899 PatBlt (hdcDst, 0, 0, himl->cx, himl->cy, BLACKNESS);
1900
1901 /* draw image*/
1902 SelectObject (hdcDst, ii.hbmColor);
1903 BitBlt (hdcDst, 0, 0, himl->cx, himl->cy,
1904 himl->hdcImage, pt.x, pt.y, SRCCOPY);
1905
1906 /*
1907 * CreateIconIndirect requires us to deselect the bitmaps from
1908 * the DCs before calling
1909 */
1910 SelectObject(hdcDst, hOldDstBitmap);
1911
1912 hIcon = CreateIconIndirect (&ii);
1913
1914 DeleteObject (ii.hbmMask);
1915 DeleteObject (ii.hbmColor);
1916 DeleteDC (hdcDst);
1917
1918 return hIcon;
1919 }
1920
1921
1922 /*************************************************************************
1923 * ImageList_GetIconSize [COMCTL32.@]
1924 *
1925 * Retrieves the size of an image in an image list.
1926 *
1927 * PARAMS
1928 * himl [I] handle to image list
1929 * cx [O] pointer to the image width.
1930 * cy [O] pointer to the image height.
1931 *
1932 * RETURNS
1933 * Success: TRUE
1934 * Failure: FALSE
1935 *
1936 * NOTES
1937 * All images in an image list have the same size.
1938 */
1939
1940 BOOL WINAPI
1941 ImageList_GetIconSize (HIMAGELIST himl, INT *cx, INT *cy)
1942 {
1943 if (!is_valid(himl) || !cx || !cy)
1944 return FALSE;
1945
1946 *cx = himl->cx;
1947 *cy = himl->cy;
1948
1949 return TRUE;
1950 }
1951
1952
1953 /*************************************************************************
1954 * ImageList_GetImageCount [COMCTL32.@]
1955 *
1956 * Returns the number of images in an image list.
1957 *
1958 * PARAMS
1959 * himl [I] handle to image list
1960 *
1961 * RETURNS
1962 * Success: Number of images.
1963 * Failure: 0
1964 */
1965
1966 INT WINAPI
1967 ImageList_GetImageCount (HIMAGELIST himl)
1968 {
1969 if (!is_valid(himl))
1970 return 0;
1971
1972 return himl->cCurImage;
1973 }
1974
1975
1976 /*************************************************************************
1977 * ImageList_GetImageInfo [COMCTL32.@]
1978 *
1979 * Returns information about an image in an image list.
1980 *
1981 * PARAMS
1982 * himl [I] handle to image list
1983 * i [I] image index
1984 * pImageInfo [O] pointer to the image information
1985 *
1986 * RETURNS
1987 * Success: TRUE
1988 * Failure: FALSE
1989 */
1990
1991 BOOL WINAPI
1992 ImageList_GetImageInfo (HIMAGELIST himl, INT i, IMAGEINFO *pImageInfo)
1993 {
1994 POINT pt;
1995
1996 if (!is_valid(himl) || (pImageInfo == NULL))
1997 return FALSE;
1998 if ((i < 0) || (i >= himl->cCurImage))
1999 return FALSE;
2000
2001 pImageInfo->hbmImage = himl->hbmImage;
2002 pImageInfo->hbmMask = himl->hbmMask;
2003
2004 imagelist_point_from_index( himl, i, &pt );
2005 pImageInfo->rcImage.top = pt.y;
2006 pImageInfo->rcImage.bottom = pt.y + himl->cy;
2007 pImageInfo->rcImage.left = pt.x;
2008 pImageInfo->rcImage.right = pt.x + himl->cx;
2009
2010 return TRUE;
2011 }
2012
2013
2014 /*************************************************************************
2015 * ImageList_GetImageRect [COMCTL32.@]
2016 *
2017 * Retrieves the rectangle of the specified image in an image list.
2018 *
2019 * PARAMS
2020 * himl [I] handle to image list
2021 * i [I] image index
2022 * lpRect [O] pointer to the image rectangle
2023 *
2024 * RETURNS
2025 * Success: TRUE
2026 * Failure: FALSE
2027 *
2028 * NOTES
2029 * This is an UNDOCUMENTED function!!!
2030 */
2031
2032 BOOL WINAPI
2033 ImageList_GetImageRect (HIMAGELIST himl, INT i, LPRECT lpRect)
2034 {
2035 POINT pt;
2036
2037 if (!is_valid(himl) || (lpRect == NULL))
2038 return FALSE;
2039 if ((i < 0) || (i >= himl->cCurImage))
2040 return FALSE;
2041
2042 imagelist_point_from_index( himl, i, &pt );
2043 lpRect->left = pt.x;
2044 lpRect->top = pt.y;
2045 lpRect->right = pt.x + himl->cx;
2046 lpRect->bottom = pt.y + himl->cy;
2047
2048 return TRUE;
2049 }
2050
2051
2052 /*************************************************************************
2053 * ImageList_LoadImage [COMCTL32.@]
2054 * ImageList_LoadImageA [COMCTL32.@]
2055 *
2056 * Creates an image list from a bitmap, icon or cursor.
2057 *
2058 * See ImageList_LoadImageW.
2059 */
2060
2061 HIMAGELIST WINAPI
2062 ImageList_LoadImageA (HINSTANCE hi, LPCSTR lpbmp, INT cx, INT cGrow,
2063 COLORREF clrMask, UINT uType, UINT uFlags)
2064 {
2065 HIMAGELIST himl;
2066 LPWSTR lpbmpW;
2067 DWORD len;
2068
2069 if (IS_INTRESOURCE(lpbmp))
2070 return ImageList_LoadImageW(hi, (LPCWSTR)lpbmp, cx, cGrow, clrMask,
2071 uType, uFlags);
2072
2073 len = MultiByteToWideChar(CP_ACP, 0, lpbmp, -1, NULL, 0);
2074 lpbmpW = heap_alloc(len * sizeof(WCHAR));
2075 MultiByteToWideChar(CP_ACP, 0, lpbmp, -1, lpbmpW, len);
2076
2077 himl = ImageList_LoadImageW(hi, lpbmpW, cx, cGrow, clrMask, uType, uFlags);
2078 heap_free (lpbmpW);
2079 return himl;
2080 }
2081
2082
2083 /*************************************************************************
2084 * ImageList_LoadImageW [COMCTL32.@]
2085 *
2086 * Creates an image list from a bitmap, icon or cursor.
2087 *
2088 * PARAMS
2089 * hi [I] instance handle
2090 * lpbmp [I] name or id of the image
2091 * cx [I] width of each image
2092 * cGrow [I] number of images to expand
2093 * clrMask [I] mask color
2094 * uType [I] type of image to load
2095 * uFlags [I] loading flags
2096 *
2097 * RETURNS
2098 * Success: handle to the loaded image list
2099 * Failure: NULL
2100 *
2101 * SEE
2102 * LoadImage ()
2103 */
2104
2105 HIMAGELIST WINAPI
2106 ImageList_LoadImageW (HINSTANCE hi, LPCWSTR lpbmp, INT cx, INT cGrow,
2107 COLORREF clrMask, UINT uType, UINT uFlags)
2108 {
2109 HIMAGELIST himl = NULL;
2110 HANDLE handle;
2111 INT nImageCount;
2112
2113 handle = LoadImageW (hi, lpbmp, uType, 0, 0, uFlags);
2114 if (!handle) {
2115 WARN("Couldn't load image\n");
2116 return NULL;
2117 }
2118
2119 if (uType == IMAGE_BITMAP) {
2120 DIBSECTION dib;
2121 UINT color;
2122
2123 if (GetObjectW (handle, sizeof(dib), &dib) == sizeof(BITMAP)) color = ILC_COLOR;
2124 else color = dib.dsBm.bmBitsPixel;
2125
2126 /* To match windows behavior, if cx is set to zero and
2127 the flag DI_DEFAULTSIZE is specified, cx becomes the
2128 system metric value for icons. If the flag is not specified
2129 the function sets the size to the height of the bitmap */
2130 if (cx == 0)
2131 {
2132 if (uFlags & DI_DEFAULTSIZE)
2133 cx = GetSystemMetrics (SM_CXICON);
2134 else
2135 cx = dib.dsBm.bmHeight;
2136 }
2137
2138 nImageCount = dib.dsBm.bmWidth / cx;
2139
2140 if (clrMask != CLR_NONE) color |= ILC_MASK;
2141 himl = ImageList_Create (cx, dib.dsBm.bmHeight, color, nImageCount, cGrow);
2142 if (!himl) {
2143 DeleteObject (handle);
2144 return NULL;
2145 }
2146 ImageList_AddMasked (himl, handle, clrMask);
2147 }
2148 else if ((uType == IMAGE_ICON) || (uType == IMAGE_CURSOR)) {
2149 ICONINFO ii;
2150 BITMAP bmp;
2151
2152 GetIconInfo (handle, &ii);
2153 GetObjectW (ii.hbmColor, sizeof(BITMAP), &bmp);
2154 himl = ImageList_Create (bmp.bmWidth, bmp.bmHeight,
2155 ILC_MASK | ILC_COLOR, 1, cGrow);
2156 if (!himl) {
2157 DeleteObject (ii.hbmColor);
2158 DeleteObject (ii.hbmMask);
2159 DeleteObject (handle);
2160 return NULL;
2161 }
2162 ImageList_Add (himl, ii.hbmColor, ii.hbmMask);
2163 DeleteObject (ii.hbmColor);
2164 DeleteObject (ii.hbmMask);
2165 }
2166
2167 DeleteObject (handle);
2168
2169 return himl;
2170 }
2171
2172
2173 /*************************************************************************
2174 * ImageList_Merge [COMCTL32.@]
2175 *
2176 * Create an image list containing a merged image from two image lists.
2177 *
2178 * PARAMS
2179 * himl1 [I] handle to first image list
2180 * i1 [I] first image index
2181 * himl2 [I] handle to second image list
2182 * i2 [I] second image index
2183 * dx [I] X offset of the second image relative to the first.
2184 * dy [I] Y offset of the second image relative to the first.
2185 *
2186 * RETURNS
2187 * Success: The newly created image list. It contains a single image
2188 * consisting of the second image merged with the first.
2189 * Failure: NULL, if either himl1 or himl2 is invalid.
2190 *
2191 * NOTES
2192 * - The returned image list should be deleted by the caller using
2193 * ImageList_Destroy() when it is no longer required.
2194 * - If either i1 or i2 is not a valid image index, they will be treated
2195 * as blank images.
2196 */
2197 HIMAGELIST WINAPI
2198 ImageList_Merge (HIMAGELIST himl1, INT i1, HIMAGELIST himl2, INT i2,
2199 INT dx, INT dy)
2200 {
2201 HIMAGELIST himlDst = NULL;
2202 INT cxDst, cyDst;
2203 INT xOff1, yOff1, xOff2, yOff2;
2204 POINT pt1, pt2;
2205 INT newFlags;
2206
2207 TRACE("(himl1=%p i1=%d himl2=%p i2=%d dx=%d dy=%d)\n", himl1, i1, himl2,
2208 i2, dx, dy);
2209
2210 if (!is_valid(himl1) || !is_valid(himl2))
2211 return NULL;
2212
2213 if (dx > 0) {
2214 cxDst = max (himl1->cx, dx + himl2->cx);
2215 xOff1 = 0;
2216 xOff2 = dx;
2217 }
2218 else if (dx < 0) {
2219 cxDst = max (himl2->cx, himl1->cx - dx);
2220 xOff1 = -dx;
2221 xOff2 = 0;
2222 }
2223 else {
2224 cxDst = max (himl1->cx, himl2->cx);
2225 xOff1 = 0;
2226 xOff2 = 0;
2227 }
2228
2229 if (dy > 0) {
2230 cyDst = max (himl1->cy, dy + himl2->cy);
2231 yOff1 = 0;
2232 yOff2 = dy;
2233 }
2234 else if (dy < 0) {
2235 cyDst = max (himl2->cy, himl1->cy - dy);
2236 yOff1 = -dy;
2237 yOff2 = 0;
2238 }
2239 else {
2240 cyDst = max (himl1->cy, himl2->cy);
2241 yOff1 = 0;
2242 yOff2 = 0;
2243 }
2244
2245 newFlags = (himl1->flags > himl2->flags ? himl1->flags : himl2->flags) & ILC_COLORDDB;
2246 if (newFlags == ILC_COLORDDB && (himl1->flags & ILC_COLORDDB) == ILC_COLOR16)
2247 newFlags = ILC_COLOR16; /* this is what native (at least v5) does, don't know why */
2248 himlDst = ImageList_Create (cxDst, cyDst, ILC_MASK | newFlags, 1, 1);
2249
2250 if (himlDst)
2251 {
2252 imagelist_point_from_index( himl1, i1, &pt1 );
2253 imagelist_point_from_index( himl2, i2, &pt2 );
2254
2255 /* copy image */
2256 BitBlt (himlDst->hdcImage, 0, 0, cxDst, cyDst, himl1->hdcImage, 0, 0, BLACKNESS);
2257 if (i1 >= 0 && i1 < himl1->cCurImage)
2258 BitBlt (himlDst->hdcImage, xOff1, yOff1, himl1->cx, himl1->cy, himl1->hdcImage, pt1.x, pt1.y, SRCCOPY);
2259 if (i2 >= 0 && i2 < himl2->cCurImage)
2260 {
2261 if (himl2->flags & ILC_MASK)
2262 {
2263 BitBlt (himlDst->hdcImage, xOff2, yOff2, himl2->cx, himl2->cy, himl2->hdcMask , pt2.x, pt2.y, SRCAND);
2264 BitBlt (himlDst->hdcImage, xOff2, yOff2, himl2->cx, himl2->cy, himl2->hdcImage, pt2.x, pt2.y, SRCPAINT);
2265 }
2266 else
2267 BitBlt (himlDst->hdcImage, xOff2, yOff2, himl2->cx, himl2->cy, himl2->hdcImage, pt2.x, pt2.y, SRCCOPY);
2268 }
2269
2270 /* copy mask */
2271 BitBlt (himlDst->hdcMask, 0, 0, cxDst, cyDst, himl1->hdcMask, 0, 0, WHITENESS);
2272 if (i1 >= 0 && i1 < himl1->cCurImage)
2273 BitBlt (himlDst->hdcMask, xOff1, yOff1, himl1->cx, himl1->cy, himl1->hdcMask, pt1.x, pt1.y, SRCCOPY);
2274 if (i2 >= 0 && i2 < himl2->cCurImage)
2275 BitBlt (himlDst->hdcMask, xOff2, yOff2, himl2->cx, himl2->cy, himl2->hdcMask, pt2.x, pt2.y, SRCAND);
2276
2277 himlDst->cCurImage = 1;
2278 }
2279
2280 return himlDst;
2281 }
2282
2283
2284 /* helper for ImageList_Read, see comments below */
2285 static void *read_bitmap(IStream *pstm, BITMAPINFO *bmi)
2286 {
2287 BITMAPFILEHEADER bmfh;
2288 int bitsperpixel, palspace;
2289 void *bits;
2290
2291 if (FAILED(IStream_Read ( pstm, &bmfh, sizeof(bmfh), NULL)))
2292 return NULL;
2293
2294 if (bmfh.bfType != (('M'<<8)|'B'))
2295 return NULL;
2296
2297 if (FAILED(IStream_Read ( pstm, &bmi->bmiHeader, sizeof(bmi->bmiHeader), NULL)))
2298 return NULL;
2299
2300 if ((bmi->bmiHeader.biSize != sizeof(bmi->bmiHeader)))
2301 return NULL;
2302
2303 TRACE("width %u, height %u, planes %u, bpp %u\n",
2304 bmi->bmiHeader.biWidth, bmi->bmiHeader.biHeight,
2305 bmi->bmiHeader.biPlanes, bmi->bmiHeader.biBitCount);
2306
2307 bitsperpixel = bmi->bmiHeader.biPlanes * bmi->bmiHeader.biBitCount;
2308 if (bitsperpixel<=8)
2309 palspace = (1<<bitsperpixel)*sizeof(RGBQUAD);
2310 else
2311 palspace = 0;
2312
2313 bmi->bmiHeader.biSizeImage = get_dib_image_size( bmi );
2314
2315 /* read the palette right after the end of the bitmapinfoheader */
2316 if (palspace && FAILED(IStream_Read(pstm, bmi->bmiColors, palspace, NULL)))
2317 return NULL;
2318
2319 bits = heap_alloc_zero(bmi->bmiHeader.biSizeImage);
2320 if (!bits) return NULL;
2321
2322 if (FAILED(IStream_Read(pstm, bits, bmi->bmiHeader.biSizeImage, NULL)))
2323 {
2324 heap_free(bits);
2325 return NULL;
2326 }
2327 return bits;
2328 }
2329
2330 /*************************************************************************
2331 * ImageList_Read [COMCTL32.@]
2332 *
2333 * Reads an image list from a stream.
2334 *
2335 * PARAMS
2336 * pstm [I] pointer to a stream
2337 *
2338 * RETURNS
2339 * Success: handle to image list
2340 * Failure: NULL
2341 *
2342 * The format is like this:
2343 * ILHEAD ilheadstruct;
2344 *
2345 * for the color image part:
2346 * BITMAPFILEHEADER bmfh;
2347 * BITMAPINFOHEADER bmih;
2348 * only if it has a palette:
2349 * RGBQUAD rgbs[nr_of_paletted_colors];
2350 *
2351 * BYTE colorbits[imagesize];
2352 *
2353 * the following only if the ILC_MASK bit is set in ILHEAD.ilFlags:
2354 * BITMAPFILEHEADER bmfh_mask;
2355 * BITMAPINFOHEADER bmih_mask;
2356 * only if it has a palette (it usually does not):
2357 * RGBQUAD rgbs[nr_of_paletted_colors];
2358 *
2359 * BYTE maskbits[imagesize];
2360 */
2361 HIMAGELIST WINAPI ImageList_Read(IStream *pstm)
2362 {
2363 char image_buf[sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256];
2364 char mask_buf[sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256];
2365 BITMAPINFO *image_info = (BITMAPINFO *)image_buf;
2366 BITMAPINFO *mask_info = (BITMAPINFO *)mask_buf;
2367 void *image_bits, *mask_bits = NULL;
2368 ILHEAD ilHead;
2369 HIMAGELIST himl;
2370 unsigned int i;
2371
2372 TRACE("%p\n", pstm);
2373
2374 if (FAILED(IStream_Read (pstm, &ilHead, sizeof(ILHEAD), NULL)))
2375 return NULL;
2376 if (ilHead.usMagic != (('L' << 8) | 'I'))
2377 return NULL;
2378 if (ilHead.usVersion != 0x101) /* probably version? */
2379 return NULL;
2380
2381 TRACE("cx %u, cy %u, flags 0x%04x, cCurImage %u, cMaxImage %u\n",
2382 ilHead.cx, ilHead.cy, ilHead.flags, ilHead.cCurImage, ilHead.cMaxImage);
2383
2384 himl = ImageList_Create(ilHead.cx, ilHead.cy, ilHead.flags, ilHead.cCurImage, ilHead.cMaxImage);
2385 if (!himl)
2386 return NULL;
2387
2388 if (!(image_bits = read_bitmap(pstm, image_info)))
2389 {
2390 WARN("failed to read bitmap from stream\n");
2391 return NULL;
2392 }
2393 if (ilHead.flags & ILC_MASK)
2394 {
2395 if (!(mask_bits = read_bitmap(pstm, mask_info)))
2396 {
2397 WARN("failed to read mask bitmap from stream\n");
2398 return NULL;
2399 }
2400 }
2401 else mask_info = NULL;
2402
2403 if (himl->has_alpha && image_info->bmiHeader.biBitCount == 32)
2404 {
2405 DWORD *ptr = image_bits;
2406 BYTE *mask_ptr = mask_bits;
2407 int stride = himl->cy * image_info->bmiHeader.biWidth;
2408
2409 if (image_info->bmiHeader.biHeight > 0) /* bottom-up */
2410 {
2411 ptr += image_info->bmiHeader.biHeight * image_info->bmiHeader.biWidth - stride;
2412 mask_ptr += (image_info->bmiHeader.biHeight * image_info->bmiHeader.biWidth - stride) / 8;
2413 stride = -stride;
2414 image_info->bmiHeader.biHeight = himl->cy;
2415 }
2416 else image_info->bmiHeader.biHeight = -himl->cy;
2417
2418 for (i = 0; i < ilHead.cCurImage; i += TILE_COUNT)
2419 {
2420 add_dib_bits( himl, i, min( ilHead.cCurImage - i, TILE_COUNT ),
2421 himl->cx, himl->cy, image_info, mask_info, ptr, mask_ptr );
2422 ptr += stride;
2423 mask_ptr += stride / 8;
2424 }
2425 }
2426 else
2427 {
2428 StretchDIBits( himl->hdcImage, 0, 0, image_info->bmiHeader.biWidth, image_info->bmiHeader.biHeight,
2429 0, 0, image_info->bmiHeader.biWidth, image_info->bmiHeader.biHeight,
2430 image_bits, image_info, DIB_RGB_COLORS, SRCCOPY);
2431 if (mask_info)
2432 StretchDIBits( himl->hdcMask, 0, 0, mask_info->bmiHeader.biWidth, mask_info->bmiHeader.biHeight,
2433 0, 0, mask_info->bmiHeader.biWidth, mask_info->bmiHeader.biHeight,
2434 mask_bits, mask_info, DIB_RGB_COLORS, SRCCOPY);
2435 }
2436 heap_free( image_bits );
2437 heap_free( mask_bits );
2438
2439 himl->cCurImage = ilHead.cCurImage;
2440 himl->cMaxImage = ilHead.cMaxImage;
2441
2442 ImageList_SetBkColor(himl,ilHead.bkcolor);
2443 for (i=0;i<4;i++)
2444 ImageList_SetOverlayImage(himl,ilHead.ovls[i],i+1);
2445 return himl;
2446 }
2447
2448
2449 /*************************************************************************
2450 * ImageList_Remove [COMCTL32.@]
2451 *
2452 * Removes an image from an image list
2453 *
2454 * PARAMS
2455 * himl [I] image list handle
2456 * i [I] image index
2457 *
2458 * RETURNS
2459 * Success: TRUE
2460 * Failure: FALSE
2461 *
2462 * FIXME: as the image list storage test shows, native comctl32 simply shifts
2463 * images without creating a new bitmap.
2464 */
2465 BOOL WINAPI
2466 ImageList_Remove (HIMAGELIST himl, INT i)
2467 {
2468 HBITMAP hbmNewImage, hbmNewMask;
2469 HDC hdcBmp;
2470 SIZE sz;
2471
2472 TRACE("(himl=%p i=%d)\n", himl, i);
2473
2474 if (!is_valid(himl)) {
2475 ERR("Invalid image list handle!\n");
2476 return FALSE;
2477 }
2478
2479 if ((i < -1) || (i >= himl->cCurImage)) {
2480 TRACE("index out of range! %d\n", i);
2481 return FALSE;
2482 }
2483
2484 if (i == -1) {
2485 INT nCount;
2486
2487 /* remove all */
2488 if (himl->cCurImage == 0) {
2489 /* remove all on empty ImageList is allowed */
2490 TRACE("remove all on empty ImageList!\n");
2491 return TRUE;
2492 }
2493
2494 himl->cMaxImage = himl->cGrow;
2495 himl->cCurImage = 0;
2496 for (nCount = 0; nCount < MAX_OVERLAYIMAGE; nCount++)
2497 himl->nOvlIdx[nCount] = -1;
2498
2499 if (himl->has_alpha)
2500 {
2501 heap_free( himl->has_alpha );
2502 himl->has_alpha = heap_alloc_zero( himl->cMaxImage );
2503 }
2504
2505 hbmNewImage = ImageList_CreateImage(himl->hdcImage, himl, himl->cMaxImage);
2506 SelectObject (himl->hdcImage, hbmNewImage);
2507 DeleteObject (himl->hbmImage);
2508 himl->hbmImage = hbmNewImage;
2509
2510 if (himl->hbmMask) {
2511
2512 imagelist_get_bitmap_size(himl, himl->cMaxImage, &sz);
2513 hbmNewMask = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
2514 SelectObject (himl->hdcMask, hbmNewMask);
2515 DeleteObject (himl->hbmMask);
2516 himl->hbmMask = hbmNewMask;
2517 }
2518 }
2519 else {
2520 /* delete one image */
2521 TRACE("Remove single image! %d\n", i);
2522
2523 /* create new bitmap(s) */
2524 TRACE(" - Number of images: %d / %d (Old/New)\n",
2525 himl->cCurImage, himl->cCurImage - 1);
2526
2527 hbmNewImage = ImageList_CreateImage(himl->hdcImage, himl, himl->cMaxImage);
2528
2529 imagelist_get_bitmap_size(himl, himl->cMaxImage, &sz );
2530 if (himl->hbmMask)
2531 hbmNewMask = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
2532 else
2533 hbmNewMask = 0; /* Just to keep compiler happy! */
2534
2535 hdcBmp = CreateCompatibleDC (0);
2536
2537 /* copy all images and masks prior to the "removed" image */
2538 if (i > 0) {
2539 TRACE("Pre image copy: Copy %d images\n", i);
2540
2541 SelectObject (hdcBmp, hbmNewImage);
2542 imagelist_copy_images( himl, himl->hdcImage, hdcBmp, 0, i, 0 );
2543
2544 if (himl->hbmMask) {
2545 SelectObject (hdcBmp, hbmNewMask);
2546 imagelist_copy_images( himl, himl->hdcMask, hdcBmp, 0, i, 0 );
2547 }
2548 }
2549
2550 /* copy all images and masks behind the removed image */
2551 if (i < himl->cCurImage - 1) {
2552 TRACE("Post image copy!\n");
2553
2554 SelectObject (hdcBmp, hbmNewImage);
2555 imagelist_copy_images( himl, himl->hdcImage, hdcBmp, i + 1,
2556 (himl->cCurImage - i), i );
2557
2558 if (himl->hbmMask) {
2559 SelectObject (hdcBmp, hbmNewMask);
2560 imagelist_copy_images( himl, himl->hdcMask, hdcBmp, i + 1,
2561 (himl->cCurImage - i), i );
2562 }
2563 }
2564
2565 DeleteDC (hdcBmp);
2566
2567 /* delete old images and insert new ones */
2568 SelectObject (himl->hdcImage, hbmNewImage);
2569 DeleteObject (himl->hbmImage);
2570 himl->hbmImage = hbmNewImage;
2571 if (himl->hbmMask) {
2572 SelectObject (himl->hdcMask, hbmNewMask);
2573 DeleteObject (himl->hbmMask);
2574 himl->hbmMask = hbmNewMask;
2575 }
2576
2577 himl->cCurImage--;
2578 }
2579
2580 return TRUE;
2581 }
2582
2583
2584 /*************************************************************************
2585 * ImageList_Replace [COMCTL32.@]
2586 *
2587 * Replaces an image in an image list with a new image.
2588 *
2589 * PARAMS
2590 * himl [I] handle to image list
2591 * i [I] image index
2592 * hbmImage [I] handle to image bitmap
2593 * hbmMask [I] handle to mask bitmap. Can be NULL.
2594 *
2595 * RETURNS
2596 * Success: TRUE
2597 * Failure: FALSE
2598 */
2599
2600 BOOL WINAPI
2601 ImageList_Replace (HIMAGELIST himl, INT i, HBITMAP hbmImage,
2602 HBITMAP hbmMask)
2603 {
2604 HDC hdcImage;
2605 BITMAP bmp;
2606 POINT pt;
2607
2608 TRACE("%p %d %p %p\n", himl, i, hbmImage, hbmMask);
2609
2610 if (!is_valid(himl)) {
2611 ERR("Invalid image list handle!\n");
2612 return FALSE;
2613 }
2614
2615 if ((i >= himl->cMaxImage) || (i < 0)) {
2616 ERR("Invalid image index!\n");
2617 return FALSE;
2618 }
2619
2620 if (!GetObjectW(hbmImage, sizeof(BITMAP), &bmp))
2621 return FALSE;
2622
2623 hdcImage = CreateCompatibleDC (0);
2624
2625 /* Replace Image */
2626 SelectObject (hdcImage, hbmImage);
2627
2628 if (add_with_alpha( himl, hdcImage, i, 1, bmp.bmWidth, bmp.bmHeight, hbmImage, hbmMask ))
2629 goto done;
2630
2631 imagelist_point_from_index(himl, i, &pt);
2632 StretchBlt (himl->hdcImage, pt.x, pt.y, himl->cx, himl->cy,
2633 hdcImage, 0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY);
2634
2635 if (himl->hbmMask)
2636 {
2637 HDC hdcTemp;
2638 HBITMAP hOldBitmapTemp;
2639
2640 hdcTemp = CreateCompatibleDC(0);
2641 hOldBitmapTemp = SelectObject(hdcTemp, hbmMask);
2642
2643 StretchBlt (himl->hdcMask, pt.x, pt.y, himl->cx, himl->cy,
2644 hdcTemp, 0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY);
2645 SelectObject(hdcTemp, hOldBitmapTemp);
2646 DeleteDC(hdcTemp);
2647
2648 /* Remove the background from the image
2649 */
2650 BitBlt (himl->hdcImage, pt.x, pt.y, bmp.bmWidth, bmp.bmHeight,
2651 himl->hdcMask, pt.x, pt.y, 0x220326); /* NOTSRCAND */
2652 }
2653
2654 done:
2655 DeleteDC (hdcImage);
2656
2657 return TRUE;
2658 }
2659
2660
2661 /*************************************************************************
2662 * ImageList_ReplaceIcon [COMCTL32.@]
2663 *
2664 * Replaces an image in an image list using an icon.
2665 *
2666 * PARAMS
2667 * himl [I] handle to image list
2668 * i [I] image index
2669 * hIcon [I] handle to icon
2670 *
2671 * RETURNS
2672 * Success: index of the replaced image
2673 * Failure: -1
2674 */
2675
2676 INT WINAPI
2677 ImageList_ReplaceIcon (HIMAGELIST himl, INT nIndex, HICON hIcon)
2678 {
2679 HICON hBestFitIcon;
2680 ICONINFO ii;
2681 BITMAP bmp;
2682 BOOL ret;
2683 POINT pt;
2684
2685 TRACE("(%p %d %p)\n", himl, nIndex, hIcon);
2686
2687 if (!is_valid(himl)) {
2688 ERR("invalid image list\n");
2689 return -1;
2690 }
2691 if ((nIndex >= himl->cMaxImage) || (nIndex < -1)) {
2692 ERR("invalid image index %d / %d\n", nIndex, himl->cMaxImage);
2693 return -1;
2694 }
2695
2696 hBestFitIcon = CopyImage(
2697 hIcon, IMAGE_ICON,
2698 himl->cx, himl->cy,
2699 LR_COPYFROMRESOURCE);
2700 /* the above will fail if the icon wasn't loaded from a resource, so try
2701 * again without LR_COPYFROMRESOURCE flag */
2702 if (!hBestFitIcon)
2703 hBestFitIcon = CopyImage(
2704 hIcon, IMAGE_ICON,
2705 himl->cx, himl->cy,
2706 0);
2707 if (!hBestFitIcon)
2708 return -1;
2709
2710 if (nIndex == -1) {
2711 if (himl->cCurImage + 1 >= himl->cMaxImage)
2712 IMAGELIST_InternalExpandBitmaps(himl, 1);
2713
2714 nIndex = himl->cCurImage;
2715 himl->cCurImage++;
2716 }
2717
2718 if (himl->has_alpha && GetIconInfo (hBestFitIcon, &ii))
2719 {
2720 HDC hdcImage = CreateCompatibleDC( 0 );
2721 GetObjectW (ii.hbmMask, sizeof(BITMAP), &bmp);
2722
2723 if (!ii.hbmColor)
2724 {
2725 UINT height = bmp.bmHeight / 2;
2726 HDC hdcMask = CreateCompatibleDC( 0 );
2727 HBITMAP color = CreateBitmap( bmp.bmWidth, height, 1, 1, NULL );
2728 SelectObject( hdcImage, color );
2729 SelectObject( hdcMask, ii.hbmMask );
2730 BitBlt( hdcImage, 0, 0, bmp.bmWidth, height, hdcMask, 0, height, SRCCOPY );
2731 ret = add_with_alpha( himl, hdcImage, nIndex, 1, bmp.bmWidth, height, color, ii.hbmMask );
2732 DeleteDC( hdcMask );
2733 DeleteObject( color );
2734 }
2735 else ret = add_with_alpha( himl, hdcImage, nIndex, 1, bmp.bmWidth, bmp.bmHeight,
2736 ii.hbmColor, ii.hbmMask );
2737
2738 DeleteDC( hdcImage );
2739 DeleteObject (ii.hbmMask);
2740 if (ii.hbmColor) DeleteObject (ii.hbmColor);
2741 if (ret) goto done;
2742 }
2743
2744 imagelist_point_from_index(himl, nIndex, &pt);
2745
2746 if (himl->hbmMask)
2747 {
2748 DrawIconEx( himl->hdcImage, pt.x, pt.y, hBestFitIcon, himl->cx, himl->cy, 0, 0, DI_IMAGE );
2749 PatBlt( himl->hdcMask, pt.x, pt.y, himl->cx, himl->cy, WHITENESS );
2750 DrawIconEx( himl->hdcMask, pt.x, pt.y, hBestFitIcon, himl->cx, himl->cy, 0, 0, DI_MASK );
2751 }
2752 else
2753 {
2754 COLORREF color = himl->clrBk != CLR_NONE ? himl->clrBk : comctl32_color.clrWindow;
2755 HBRUSH brush = CreateSolidBrush( GetNearestColor( himl->hdcImage, color ));
2756
2757 SelectObject( himl->hdcImage, brush );
2758 PatBlt( himl->hdcImage, pt.x, pt.y, himl->cx, himl->cy, PATCOPY );
2759 SelectObject( himl->hdcImage, GetStockObject(BLACK_BRUSH) );
2760 DeleteObject( brush );
2761 DrawIconEx( himl->hdcImage, pt.x, pt.y, hBestFitIcon, himl->cx, himl->cy, 0, 0, DI_NORMAL );
2762 }
2763
2764 done:
2765 DestroyIcon(hBestFitIcon);
2766
2767 TRACE("Insert index = %d, himl->cCurImage = %d\n", nIndex, himl->cCurImage);
2768 return nIndex;
2769 }
2770
2771
2772 /*************************************************************************
2773 * ImageList_SetBkColor [COMCTL32.@]
2774 *
2775 * Sets the background color of an image list.
2776 *
2777 * PARAMS
2778 * himl [I] handle to image list
2779 * clrBk [I] background color
2780 *
2781 * RETURNS
2782 * Success: previous background color
2783 * Failure: CLR_NONE
2784 */
2785
2786 COLORREF WINAPI
2787 ImageList_SetBkColor (HIMAGELIST himl, COLORREF clrBk)
2788 {
2789 COLORREF clrOldBk;
2790
2791 if (!is_valid(himl))
2792 return CLR_NONE;
2793
2794 clrOldBk = himl->clrBk;
2795 himl->clrBk = clrBk;
2796 return clrOldBk;
2797 }
2798
2799
2800 /*************************************************************************
2801 * ImageList_SetDragCursorImage [COMCTL32.@]
2802 *
2803 * Combines the specified image with the current drag image
2804 *
2805 * PARAMS
2806 * himlDrag [I] handle to drag image list
2807 * iDrag [I] drag image index
2808 * dxHotspot [I] X position of the hot spot
2809 * dyHotspot [I] Y position of the hot spot
2810 *
2811 * RETURNS
2812 * Success: TRUE
2813 * Failure: FALSE
2814 *
2815 * NOTES
2816 * - The names dxHotspot, dyHotspot are misleading because they have nothing
2817 * to do with a hotspot but are only the offset of the origin of the new
2818 * image relative to the origin of the old image.
2819 *
2820 * - When this function is called and the drag image is visible, a
2821 * short flickering occurs but this matches the Win9x behavior. It is
2822 * possible to fix the flickering using code like in ImageList_DragMove.
2823 */
2824
2825 BOOL WINAPI
2826 ImageList_SetDragCursorImage (HIMAGELIST himlDrag, INT iDrag,
2827 INT dxHotspot, INT dyHotspot)
2828 {
2829 HIMAGELIST himlTemp;
2830 BOOL visible;
2831
2832 if (!is_valid(InternalDrag.himl) || !is_valid(himlDrag))
2833 return FALSE;
2834
2835 TRACE(" dxH=%d dyH=%d nX=%d nY=%d\n",
2836 dxHotspot, dyHotspot, InternalDrag.dxHotspot, InternalDrag.dyHotspot);
2837
2838 visible = InternalDrag.bShow;
2839
2840 himlTemp = ImageList_Merge (InternalDrag.himlNoCursor, 0, himlDrag, iDrag,
2841 dxHotspot, dyHotspot);
2842
2843 if (visible) {
2844 /* hide the drag image */
2845 ImageList_DragShowNolock(FALSE);
2846 }
2847 if ((InternalDrag.himl->cx != himlTemp->cx) ||
2848 (InternalDrag.himl->cy != himlTemp->cy)) {
2849 /* the size of the drag image changed, invalidate the buffer */
2850 DeleteObject(InternalDrag.hbmBg);
2851 InternalDrag.hbmBg = 0;
2852 }
2853
2854 if (InternalDrag.himl != InternalDrag.himlNoCursor)
2855 ImageList_Destroy (InternalDrag.himl);
2856 InternalDrag.himl = himlTemp;
2857
2858 if (visible) {
2859 /* show the drag image */
2860 ImageList_DragShowNolock(TRUE);
2861 }
2862
2863 return TRUE;
2864 }
2865
2866
2867 /*************************************************************************
2868 * ImageList_SetFilter [COMCTL32.@]
2869 *
2870 * Sets a filter (or does something completely different)!!???
2871 * It removes 12 Bytes from the stack (3 Parameters).
2872 *
2873 * PARAMS
2874 * himl [I] SHOULD be a handle to image list
2875 * i [I] COULD be an index?
2876 * dwFilter [I] ???
2877 *
2878 * RETURNS
2879 * Success: TRUE ???
2880 * Failure: FALSE ???
2881 *
2882 * BUGS
2883 * This is an UNDOCUMENTED function!!!!
2884 * empty stub.
2885 */
2886
2887 BOOL WINAPI
2888 ImageList_SetFilter (HIMAGELIST himl, INT i, DWORD dwFilter)
2889 {
2890 FIXME("(%p 0x%x 0x%x):empty stub!\n", himl, i, dwFilter);
2891
2892 return FALSE;
2893 }
2894
2895
2896 /*************************************************************************
2897 * ImageList_SetFlags [COMCTL32.@]
2898 *
2899 * Sets the image list flags.
2900 *
2901 * PARAMS
2902 * himl [I] Handle to image list
2903 * flags [I] Flags to set
2904 *
2905 * RETURNS
2906 * Old flags?
2907 *
2908 * BUGS
2909 * Stub.
2910 */
2911
2912 DWORD WINAPI
2913 ImageList_SetFlags(HIMAGELIST himl, DWORD flags)
2914 {
2915 FIXME("(%p %08x):empty stub\n", himl, flags);
2916 return 0;
2917 }
2918
2919
2920 /*************************************************************************
2921 * ImageList_SetIconSize [COMCTL32.@]
2922 *
2923 * Sets the image size of the bitmap and deletes all images.
2924 *
2925 * PARAMS
2926 * himl [I] handle to image list
2927 * cx [I] image width
2928 * cy [I] image height
2929 *
2930 * RETURNS
2931 * Success: TRUE
2932 * Failure: FALSE
2933 */
2934
2935 BOOL WINAPI
2936 ImageList_SetIconSize (HIMAGELIST himl, INT cx, INT cy)
2937 {
2938 INT nCount;
2939 HBITMAP hbmNew;
2940
2941 if (!is_valid(himl))
2942 return FALSE;
2943
2944 /* remove all images */
2945 himl->cMaxImage = himl->cInitial + 1;
2946 himl->cCurImage = 0;
2947 himl->cx = cx;
2948 himl->cy = cy;
2949
2950 /* initialize overlay mask indices */
2951 for (nCount = 0; nCount < MAX_OVERLAYIMAGE; nCount++)
2952 himl->nOvlIdx[nCount] = -1;
2953
2954 hbmNew = ImageList_CreateImage(himl->hdcImage, himl, himl->cMaxImage);
2955 SelectObject (himl->hdcImage, hbmNew);
2956 DeleteObject (himl->hbmImage);
2957 himl->hbmImage = hbmNew;
2958
2959 if (himl->hbmMask) {
2960 SIZE sz;
2961 imagelist_get_bitmap_size(himl, himl->cMaxImage, &sz);
2962 hbmNew = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
2963 SelectObject (himl->hdcMask, hbmNew);
2964 DeleteObject (himl->hbmMask);
2965 himl->hbmMask = hbmNew;
2966 }
2967
2968 return TRUE;
2969 }
2970
2971
2972 /*************************************************************************
2973 * ImageList_SetImageCount [COMCTL32.@]
2974 *
2975 * Resizes an image list to the specified number of images.
2976 *
2977 * PARAMS
2978 * himl [I] handle to image list
2979 * iImageCount [I] number of images in the image list
2980 *
2981 * RETURNS
2982 * Success: TRUE
2983 * Failure: FALSE
2984 */
2985
2986 BOOL WINAPI
2987 ImageList_SetImageCount (HIMAGELIST himl, UINT iImageCount)
2988 {
2989 HDC hdcBitmap;
2990 HBITMAP hbmNewBitmap, hbmOld;
2991 INT nNewCount, nCopyCount;
2992
2993 TRACE("%p %d\n",himl,iImageCount);
2994
2995 if (!is_valid(himl))
2996 return FALSE;
2997
2998 nNewCount = iImageCount + 1;
2999 nCopyCount = min(himl->cCurImage, iImageCount);
3000
3001 hdcBitmap = CreateCompatibleDC (0);
3002
3003 hbmNewBitmap = ImageList_CreateImage(hdcBitmap, himl, nNewCount);
3004
3005 if (hbmNewBitmap != 0)
3006 {
3007 hbmOld = SelectObject (hdcBitmap, hbmNewBitmap);
3008 imagelist_copy_images( himl, himl->hdcImage, hdcBitmap, 0, nCopyCount, 0 );
3009 SelectObject (hdcBitmap, hbmOld);
3010
3011 /* FIXME: delete 'empty' image space? */
3012
3013 SelectObject (himl->hdcImage, hbmNewBitmap);
3014 DeleteObject (himl->hbmImage);
3015 himl->hbmImage = hbmNewBitmap;
3016 }
3017 else
3018 ERR("Could not create new image bitmap!\n");
3019
3020 if (himl->hbmMask)
3021 {
3022 SIZE sz;
3023 imagelist_get_bitmap_size( himl, nNewCount, &sz );
3024 hbmNewBitmap = CreateBitmap (sz.cx, sz.cy, 1, 1, NULL);
3025 if (hbmNewBitmap != 0)
3026 {
3027 hbmOld = SelectObject (hdcBitmap, hbmNewBitmap);
3028 imagelist_copy_images( himl, himl->hdcMask, hdcBitmap, 0, nCopyCount, 0 );
3029 SelectObject (hdcBitmap, hbmOld);
3030
3031 /* FIXME: delete 'empty' image space? */
3032
3033 SelectObject (himl->hdcMask, hbmNewBitmap);
3034 DeleteObject (himl->hbmMask);
3035 himl->hbmMask = hbmNewBitmap;
3036 }
3037 else
3038 ERR("Could not create new mask bitmap!\n");
3039 }
3040
3041 DeleteDC (hdcBitmap);
3042
3043 if (himl->has_alpha)
3044 {
3045 char *new_alpha = HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, himl->has_alpha, nNewCount );
3046 if (new_alpha) himl->has_alpha = new_alpha;
3047 else
3048 {
3049 heap_free( himl->has_alpha );
3050 himl->has_alpha = NULL;
3051 }
3052 }
3053
3054 /* Update max image count and current image count */
3055 himl->cMaxImage = nNewCount;
3056 himl->cCurImage = iImageCount;
3057
3058 return TRUE;
3059 }
3060
3061
3062 /*************************************************************************
3063 * ImageList_SetOverlayImage [COMCTL32.@]
3064 *
3065 * Assigns an overlay mask index to an existing image in an image list.
3066 *
3067 * PARAMS
3068 * himl [I] handle to image list
3069 * iImage [I] image index
3070 * iOverlay [I] overlay mask index
3071 *
3072 * RETURNS
3073 * Success: TRUE
3074 * Failure: FALSE
3075 */
3076
3077 BOOL WINAPI
3078 ImageList_SetOverlayImage (HIMAGELIST himl, INT iImage, INT iOverlay)
3079 {
3080 if (!is_valid(himl))
3081 return FALSE;
3082 if ((iOverlay < 1) || (iOverlay > MAX_OVERLAYIMAGE))
3083 return FALSE;
3084 if ((iImage!=-1) && ((iImage < 0) || (iImage > himl->cCurImage)))
3085 return FALSE;
3086 himl->nOvlIdx[iOverlay - 1] = iImage;
3087 return TRUE;
3088 }
3089
3090
3091
3092 /* helper for ImageList_Write - write bitmap to pstm
3093 * currently everything is written as 24 bit RGB, except masks
3094 */
3095 static BOOL _write_bitmap(HBITMAP hBitmap, IStream *pstm)
3096 {
3097 LPBITMAPFILEHEADER bmfh;
3098 LPBITMAPINFOHEADER bmih;
3099 LPBYTE data = NULL, lpBits;
3100 BITMAP bm;
3101 INT bitCount, sizeImage, offBits, totalSize;
3102 HDC xdc;
3103 BOOL result = FALSE;
3104
3105 if (!GetObjectW(hBitmap, sizeof(BITMAP), &bm))
3106 return FALSE;
3107
3108 bitCount = bm.bmBitsPixel;
3109 sizeImage = get_dib_stride(bm.bmWidth, bitCount) * bm.bmHeight;
3110
3111 totalSize = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER);
3112 if(bitCount <= 8)
3113 totalSize += (1 << bitCount) * sizeof(RGBQUAD);
3114 offBits = totalSize;
3115 totalSize += sizeImage;
3116
3117 data = heap_alloc_zero(totalSize);
3118 bmfh = (LPBITMAPFILEHEADER)data;
3119 bmih = (LPBITMAPINFOHEADER)(data + sizeof(BITMAPFILEHEADER));
3120 lpBits = data + offBits;
3121
3122 /* setup BITMAPFILEHEADER */
3123 bmfh->bfType = (('M' << 8) | 'B');
3124 bmfh->bfSize = offBits;
3125 bmfh->bfReserved1 = 0;
3126 bmfh->bfReserved2 = 0;
3127 bmfh->bfOffBits = offBits;
3128
3129 /* setup BITMAPINFOHEADER */
3130 bmih->biSize = sizeof(BITMAPINFOHEADER);
3131 bmih->biWidth = bm.bmWidth;
3132 bmih->biHeight = bm.bmHeight;
3133 bmih->biPlanes = 1;
3134 bmih->biBitCount = bitCount;
3135 bmih->biCompression = BI_RGB;
3136 bmih->biSizeImage = sizeImage;
3137 bmih->biXPelsPerMeter = 0;
3138 bmih->biYPelsPerMeter = 0;
3139 bmih->biClrUsed = 0;
3140 bmih->biClrImportant = 0;
3141
3142 xdc = GetDC(0);
3143 result = GetDIBits(xdc, hBitmap, 0, bm.bmHeight, lpBits, (BITMAPINFO *)bmih, DIB_RGB_COLORS) == bm.bmHeight;
3144 ReleaseDC(0, xdc);
3145 if (!result)
3146 goto failed;
3147
3148 TRACE("width %u, height %u, planes %u, bpp %u\n",
3149 bmih->biWidth, bmih->biHeight,
3150 bmih->biPlanes, bmih->biBitCount);
3151
3152 if(FAILED(IStream_Write(pstm, data, totalSize, NULL)))
3153 goto failed;
3154
3155 result = TRUE;
3156
3157 failed:
3158 heap_free(data);
3159
3160 return result;
3161 }
3162
3163
3164 /*************************************************************************
3165 * ImageList_Write [COMCTL32.@]
3166 *
3167 * Writes an image list to a stream.
3168 *
3169 * PARAMS
3170 * himl [I] handle to image list
3171 * pstm [O] Pointer to a stream.
3172 *
3173 * RETURNS
3174 * Success: TRUE
3175 * Failure: FALSE
3176 *
3177 * BUGS
3178 * probably.
3179 */
3180
3181 BOOL WINAPI ImageList_Write(HIMAGELIST himl, IStream *pstm)
3182 {
3183 ILHEAD ilHead;
3184 int i;
3185
3186 TRACE("%p %p\n", himl, pstm);
3187
3188 if (!is_valid(himl))
3189 return FALSE;
3190
3191 ilHead.usMagic = (('L' << 8) | 'I');
3192 ilHead.usVersion = 0x101;
3193 ilHead.cCurImage = himl->cCurImage;
3194 ilHead.cMaxImage = himl->cMaxImage;
3195 ilHead.cGrow = himl->cGrow;
3196 ilHead.cx = himl->cx;
3197 ilHead.cy = himl->cy;
3198 ilHead.bkcolor = himl->clrBk;
3199 ilHead.flags = himl->flags;
3200 for(i = 0; i < 4; i++) {
3201 ilHead.ovls[i] = himl->nOvlIdx[i];
3202 }
3203
3204 TRACE("cx %u, cy %u, flags 0x04%x, cCurImage %u, cMaxImage %u\n",
3205 ilHead.cx, ilHead.cy, ilHead.flags, ilHead.cCurImage, ilHead.cMaxImage);
3206
3207 if(FAILED(IStream_Write(pstm, &ilHead, sizeof(ILHEAD), NULL)))
3208 return FALSE;
3209
3210 /* write the bitmap */
3211 if(!_write_bitmap(himl->hbmImage, pstm))
3212 return FALSE;
3213
3214 /* write the mask if we have one */
3215 if(himl->flags & ILC_MASK) {
3216 if(!_write_bitmap(himl->hbmMask, pstm))
3217 return FALSE;
3218 }
3219
3220 return TRUE;
3221 }
3222
3223
3224 static HBITMAP ImageList_CreateImage(HDC hdc, HIMAGELIST himl, UINT count)
3225 {
3226 HBITMAP hbmNewBitmap;
3227 UINT ilc = (himl->flags & 0xFE);
3228 SIZE sz;
3229
3230 imagelist_get_bitmap_size( himl, count, &sz );
3231
3232 if ((ilc >= ILC_COLOR4 && ilc <= ILC_COLOR32) || ilc == ILC_COLOR)
3233 {
3234 char buffer[sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD)];
3235 BITMAPINFO *bmi = (BITMAPINFO *)buffer;
3236
3237 TRACE("Creating DIBSection %d x %d, %d Bits per Pixel\n",
3238 sz.cx, sz.cy, himl->uBitsPixel);
3239
3240 memset( buffer, 0, sizeof(buffer) );
3241 bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
3242 bmi->bmiHeader.biWidth = sz.cx;
3243 bmi->bmiHeader.biHeight = sz.cy;
3244 bmi->bmiHeader.biPlanes = 1;
3245 bmi->bmiHeader.biBitCount = himl->uBitsPixel;
3246 bmi->bmiHeader.biCompression = BI_RGB;
3247
3248 if (himl->uBitsPixel <= ILC_COLOR8)
3249 {
3250 if (!himl->color_table_set)
3251 {
3252 /* retrieve the default color map */
3253 HBITMAP tmp = CreateBitmap( 1, 1, 1, 1, NULL );
3254 GetDIBits( hdc, tmp, 0, 0, NULL, bmi, DIB_RGB_COLORS );
3255 DeleteObject( tmp );
3256 if (ilc == ILC_COLOR4)
3257 {
3258 RGBQUAD tmp;
3259 tmp = bmi->bmiColors[7];
3260 bmi->bmiColors[7] = bmi->bmiColors[8];
3261 bmi->bmiColors[8] = tmp;
3262 }
3263 }
3264 else
3265 {
3266 GetDIBColorTable(himl->hdcImage, 0, 1 << himl->uBitsPixel, bmi->bmiColors);
3267 }
3268 }
3269 hbmNewBitmap = CreateDIBSection(hdc, bmi, DIB_RGB_COLORS, NULL, 0, 0);
3270 }
3271 else /*if (ilc == ILC_COLORDDB)*/
3272 {
3273 TRACE("Creating Bitmap: %d Bits per Pixel\n", himl->uBitsPixel);
3274
3275 hbmNewBitmap = CreateBitmap (sz.cx, sz.cy, 1, himl->uBitsPixel, NULL);
3276 }
3277 TRACE("returning %p\n", hbmNewBitmap);
3278 return hbmNewBitmap;
3279 }
3280
3281 /*************************************************************************
3282 * ImageList_SetColorTable [COMCTL32.@]
3283 *
3284 * Sets the color table of an image list.
3285 *
3286 * PARAMS
3287 * himl [I] Handle to the image list.
3288 * uStartIndex [I] The first index to set.
3289 * cEntries [I] Number of entries to set.
3290 * prgb [I] New color information for color table for the image list.
3291 *
3292 * RETURNS
3293 * Success: Number of entries in the table that were set.
3294 * Failure: Zero.
3295 *
3296 * SEE
3297 * ImageList_Create(), SetDIBColorTable()
3298 */
3299
3300 UINT WINAPI
3301 ImageList_SetColorTable(HIMAGELIST himl, UINT uStartIndex, UINT cEntries, const RGBQUAD *prgb)
3302 {
3303 TRACE("(%p, %d, %d, %p)\n", himl, uStartIndex, cEntries, prgb);
3304 himl->color_table_set = TRUE;
3305 return SetDIBColorTable(himl->hdcImage, uStartIndex, cEntries, prgb);
3306 }
3307
3308 /*************************************************************************
3309 * ImageList_CoCreateInstance [COMCTL32.@]
3310 *
3311 * Creates a new imagelist instance and returns an interface pointer to it.
3312 *
3313 * PARAMS
3314 * rclsid [I] A reference to the CLSID (CLSID_ImageList).
3315 * punkOuter [I] Pointer to IUnknown interface for aggregation, if desired
3316 * riid [I] Identifier of the requested interface.
3317 * ppv [O] Returns the address of the pointer requested, or NULL.
3318 *
3319 * RETURNS
3320 * Success: S_OK.
3321 * Failure: Error value.
3322 */
3323 HRESULT WINAPI
3324 ImageList_CoCreateInstance (REFCLSID rclsid, const IUnknown *punkOuter, REFIID riid, void **ppv)
3325 {
3326 TRACE("(%s,%p,%s,%p)\n", debugstr_guid(rclsid), punkOuter, debugstr_guid(riid), ppv);
3327
3328 if (!IsEqualCLSID(&CLSID_ImageList, rclsid))
3329 return E_NOINTERFACE;
3330
3331 return ImageListImpl_CreateInstance(punkOuter, riid, ppv);
3332 }
3333
3334
3335 /*************************************************************************
3336 * IImageList implementation
3337 */
3338
3339 static HRESULT WINAPI ImageListImpl_QueryInterface(IImageList2 *iface,
3340 REFIID iid, void **ppv)
3341 {
3342 HIMAGELIST imgl = impl_from_IImageList2(iface);
3343
3344 TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
3345
3346 if (!ppv) return E_INVALIDARG;
3347
3348 if (IsEqualIID(&IID_IUnknown, iid) ||
3349 IsEqualIID(&IID_IImageList, iid) ||
3350 IsEqualIID(&IID_IImageList2, iid))
3351 {
3352 *ppv = &imgl->IImageList2_iface;
3353 }
3354 else
3355 {
3356 *ppv = NULL;
3357 return E_NOINTERFACE;
3358 }
3359
3360 IImageList2_AddRef(iface);
3361 return S_OK;
3362 }
3363
3364 static ULONG WINAPI ImageListImpl_AddRef(IImageList2 *iface)
3365 {
3366 HIMAGELIST imgl = impl_from_IImageList2(iface);
3367 ULONG ref = InterlockedIncrement(&imgl->ref);
3368
3369 TRACE("(%p) refcount=%u\n", iface, ref);
3370 return ref;
3371 }
3372
3373 static ULONG WINAPI ImageListImpl_Release(IImageList2 *iface)
3374 {
3375 HIMAGELIST This = impl_from_IImageList2(iface);
3376 ULONG ref = InterlockedDecrement(&This->ref);
3377
3378 TRACE("(%p) refcount=%u\n", iface, ref);
3379
3380 if (ref == 0)
3381 {
3382 /* delete image bitmaps */
3383 if (This->hbmImage) DeleteObject (This->hbmImage);
3384 if (This->hbmMask) DeleteObject (This->hbmMask);
3385
3386 /* delete image & mask DCs */
3387 if (This->hdcImage) DeleteDC (This->hdcImage);
3388 if (This->hdcMask) DeleteDC (This->hdcMask);
3389
3390 /* delete blending brushes */
3391 if (This->hbrBlend25) DeleteObject (This->hbrBlend25);
3392 if (This->hbrBlend50) DeleteObject (This->hbrBlend50);
3393
3394 This->IImageList2_iface.lpVtbl = NULL;
3395 heap_free(This->has_alpha);
3396 heap_free(This);
3397 }
3398
3399 return ref;
3400 }
3401
3402 static HRESULT WINAPI ImageListImpl_Add(IImageList2 *iface, HBITMAP hbmImage,
3403 HBITMAP hbmMask, int *pi)
3404 {
3405 HIMAGELIST imgl = impl_from_IImageList2(iface);
3406 int ret;
3407
3408 if (!pi)
3409 return E_FAIL;
3410
3411 ret = ImageList_Add(imgl, hbmImage, hbmMask);
3412
3413 if (ret == -1)
3414 return E_FAIL;
3415
3416 *pi = ret;
3417 return S_OK;
3418 }
3419
3420 static HRESULT WINAPI ImageListImpl_ReplaceIcon(IImageList2 *iface, int i,
3421 HICON hicon, int *pi)
3422 {
3423 HIMAGELIST imgl = impl_from_IImageList2(iface);
3424 int ret;
3425
3426 if (!pi)
3427 return E_FAIL;
3428
3429 ret = ImageList_ReplaceIcon(imgl, i, hicon);
3430
3431 if (ret == -1)
3432 return E_FAIL;
3433
3434 *pi = ret;
3435 return S_OK;
3436 }
3437
3438 static HRESULT WINAPI ImageListImpl_SetOverlayImage(IImageList2 *iface,
3439 int iImage, int iOverlay)
3440 {
3441 HIMAGELIST imgl = impl_from_IImageList2(iface);
3442 return ImageList_SetOverlayImage(imgl, iImage, iOverlay) ? S_OK : E_FAIL;
3443 }
3444
3445 static HRESULT WINAPI ImageListImpl_Replace(IImageList2 *iface, int i,
3446 HBITMAP hbmImage, HBITMAP hbmMask)
3447 {
3448 HIMAGELIST imgl = impl_from_IImageList2(iface);
3449 return ImageList_Replace(imgl, i, hbmImage, hbmMask) ? S_OK : E_FAIL;
3450 }
3451
3452 static HRESULT WINAPI ImageListImpl_AddMasked(IImageList2 *iface, HBITMAP hbmImage,
3453 COLORREF crMask, int *pi)
3454 {
3455 HIMAGELIST imgl = impl_from_IImageList2(iface);
3456 int ret;
3457
3458 if (!pi)
3459 return E_FAIL;
3460
3461 ret = ImageList_AddMasked(imgl, hbmImage, crMask);
3462
3463 if (ret == -1)
3464 return E_FAIL;
3465
3466 *pi = ret;
3467 return S_OK;
3468 }
3469
3470 static HRESULT WINAPI ImageListImpl_Draw(IImageList2 *iface,
3471 IMAGELISTDRAWPARAMS *pimldp)
3472 {
3473 HIMAGELIST imgl = impl_from_IImageList2(iface);
3474 HIMAGELIST old_himl;
3475 int ret;
3476
3477 /* As far as I can tell, Windows simply ignores the contents of pimldp->himl
3478 so we shall simulate the same */
3479 old_himl = pimldp->himl;
3480 pimldp->himl = imgl;
3481
3482 ret = ImageList_DrawIndirect(pimldp);
3483
3484 pimldp->himl = old_himl;
3485 return ret ? S_OK : E_INVALIDARG;
3486 }
3487
3488 static HRESULT WINAPI ImageListImpl_Remove(IImageList2 *iface, int i)
3489 {
3490 HIMAGELIST imgl = impl_from_IImageList2(iface);
3491 return (ImageList_Remove(imgl, i) == 0) ? E_INVALIDARG : S_OK;
3492 }
3493
3494 static HRESULT WINAPI ImageListImpl_GetIcon(IImageList2 *iface, int i, UINT flags,
3495 HICON *picon)
3496 {
3497 HIMAGELIST imgl = impl_from_IImageList2(iface);
3498 HICON hIcon;
3499
3500 if (!picon)
3501 return E_FAIL;
3502
3503 hIcon = ImageList_GetIcon(imgl, i, flags);
3504
3505 if (hIcon == NULL)
3506 return E_FAIL;
3507
3508 *picon = hIcon;
3509 return S_OK;
3510 }
3511
3512 static HRESULT WINAPI ImageListImpl_GetImageInfo(IImageList2 *iface, int i,
3513 IMAGEINFO *pImageInfo)
3514 {
3515 HIMAGELIST imgl = impl_from_IImageList2(iface);
3516 return ImageList_GetImageInfo(imgl, i, pImageInfo) ? S_OK : E_FAIL;
3517 }
3518
3519 static HRESULT WINAPI ImageListImpl_Copy(IImageList2 *iface, int dst_index,
3520 IUnknown *unk_src, int src_index, UINT flags)
3521 {
3522 HIMAGELIST imgl = impl_from_IImageList2(iface);
3523 IImageList *src = NULL;
3524 HRESULT ret;
3525
3526 if (!unk_src)
3527 return E_FAIL;
3528
3529 /* TODO: Add test for IID_ImageList2 too */
3530 if (FAILED(IUnknown_QueryInterface(unk_src, &IID_IImageList,
3531 (void **) &src)))
3532 return E_FAIL;
3533
3534 if (ImageList_Copy(imgl, dst_index, (HIMAGELIST) src, src_index, flags))
3535 ret = S_OK;
3536 else
3537 ret = E_FAIL;
3538
3539 IImageList_Release(src);
3540 return ret;
3541 }
3542
3543 static HRESULT WINAPI ImageListImpl_Merge(IImageList2 *iface, int i1,
3544 IUnknown *punk2, int i2, int dx, int dy, REFIID riid, void **ppv)
3545 {
3546 HIMAGELIST imgl = impl_from_IImageList2(iface);
3547 IImageList *iml2 = NULL;
3548 HIMAGELIST merged;
3549 HRESULT ret = E_FAIL;
3550
3551 TRACE("(%p)->(%d %p %d %d %d %s %p)\n", iface, i1, punk2, i2, dx, dy, debugstr_guid(riid), ppv);
3552
3553 /* TODO: Add test for IID_ImageList2 too */
3554 if (FAILED(IUnknown_QueryInterface(punk2, &IID_IImageList,
3555 (void **) &iml2)))
3556 return E_FAIL;
3557
3558 merged = ImageList_Merge(imgl, i1, (HIMAGELIST) iml2, i2, dx, dy);
3559
3560 /* Get the interface for the new image list */
3561 if (merged)
3562 {
3563 ret = HIMAGELIST_QueryInterface(merged, riid, ppv);
3564 ImageList_Destroy(merged);
3565 }
3566
3567 IImageList_Release(iml2);
3568 return ret;
3569 }
3570
3571 static HRESULT WINAPI ImageListImpl_Clone(IImageList2 *iface, REFIID riid, void **ppv)
3572 {
3573 HIMAGELIST imgl = impl_from_IImageList2(iface);
3574 HIMAGELIST clone;
3575 HRESULT ret = E_FAIL;
3576
3577 TRACE("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppv);
3578
3579 clone = ImageList_Duplicate(imgl);
3580
3581 /* Get the interface for the new image list */
3582 if (clone)
3583 {
3584 ret = HIMAGELIST_QueryInterface(clone, riid, ppv);
3585 ImageList_Destroy(clone);
3586 }
3587
3588 return ret;
3589 }
3590
3591 static HRESULT WINAPI ImageListImpl_GetImageRect(IImageList2 *iface, int i,
3592 RECT *prc)
3593 {
3594 HIMAGELIST imgl = impl_from_IImageList2(iface);
3595 IMAGEINFO info;
3596
3597 if (!prc)
3598 return E_FAIL;
3599
3600 if (!ImageList_GetImageInfo(imgl, i, &info))
3601 return E_FAIL;
3602
3603 *prc = info.rcImage;
3604
3605 return S_OK;
3606 }
3607
3608 static HRESULT WINAPI ImageListImpl_GetIconSize(IImageList2 *iface, int *cx,
3609 int *cy)
3610 {
3611 HIMAGELIST imgl = impl_from_IImageList2(iface);
3612 return ImageList_GetIconSize(imgl, cx, cy) ? S_OK : E_INVALIDARG;
3613 }
3614
3615 static HRESULT WINAPI ImageListImpl_SetIconSize(IImageList2 *iface, int cx,
3616 int cy)
3617 {
3618 HIMAGELIST imgl = impl_from_IImageList2(iface);
3619 return ImageList_SetIconSize(imgl, cx, cy) ? S_OK : E_FAIL;
3620 }
3621
3622 static HRESULT WINAPI ImageListImpl_GetImageCount(IImageList2 *iface, int *pi)
3623 {
3624 HIMAGELIST imgl = impl_from_IImageList2(iface);
3625 *pi = ImageList_GetImageCount(imgl);
3626 return S_OK;
3627 }
3628
3629 static HRESULT WINAPI ImageListImpl_SetImageCount(IImageList2 *iface, UINT count)
3630 {
3631 HIMAGELIST imgl = impl_from_IImageList2(iface);
3632 return ImageList_SetImageCount(imgl, count) ? S_OK : E_FAIL;
3633 }
3634
3635 static HRESULT WINAPI ImageListImpl_SetBkColor(IImageList2 *iface, COLORREF clrBk,
3636 COLORREF *pclr)
3637 {
3638 HIMAGELIST imgl = impl_from_IImageList2(iface);
3639 *pclr = ImageList_SetBkColor(imgl, clrBk);
3640 return S_OK;
3641 }
3642
3643 static HRESULT WINAPI ImageListImpl_GetBkColor(IImageList2 *iface, COLORREF *pclr)
3644 {
3645 HIMAGELIST imgl = impl_from_IImageList2(iface);
3646 *pclr = ImageList_GetBkColor(imgl);
3647 return S_OK;
3648 }
3649
3650 static HRESULT WINAPI ImageListImpl_BeginDrag(IImageList2 *iface, int iTrack,
3651 int dxHotspot, int dyHotspot)
3652 {
3653 HIMAGELIST imgl = impl_from_IImageList2(iface);
3654 return ImageList_BeginDrag(imgl, iTrack, dxHotspot, dyHotspot) ? S_OK : E_FAIL;
3655 }
3656
3657 static HRESULT WINAPI ImageListImpl_EndDrag(IImageList2 *iface)
3658 {
3659 ImageList_EndDrag();
3660 return S_OK;
3661 }
3662
3663 static HRESULT WINAPI ImageListImpl_DragEnter(IImageList2 *iface, HWND hwndLock,
3664 int x, int y)
3665 {
3666 return ImageList_DragEnter(hwndLock, x, y) ? S_OK : E_FAIL;
3667 }
3668
3669 static HRESULT WINAPI ImageListImpl_DragLeave(IImageList2 *iface, HWND hwndLock)
3670 {
3671 return ImageList_DragLeave(hwndLock) ? S_OK : E_FAIL;
3672 }
3673
3674 static HRESULT WINAPI ImageListImpl_DragMove(IImageList2 *iface, int x, int y)
3675 {
3676 return ImageList_DragMove(x, y) ? S_OK : E_FAIL;
3677 }
3678
3679 static HRESULT WINAPI ImageListImpl_SetDragCursorImage(IImageList2 *iface,
3680 IUnknown *punk, int iDrag, int dxHotspot, int dyHotspot)
3681 {
3682 IImageList *iml2 = NULL;
3683 BOOL ret;
3684
3685 if (!punk)
3686 return E_FAIL;
3687
3688 /* TODO: Add test for IID_ImageList2 too */
3689 if (FAILED(IUnknown_QueryInterface(punk, &IID_IImageList,
3690 (void **) &iml2)))
3691 return E_FAIL;
3692
3693 ret = ImageList_SetDragCursorImage((HIMAGELIST) iml2, iDrag, dxHotspot,
3694 dyHotspot);
3695
3696 IImageList_Release(iml2);
<