/* * ImageList implementation * * Copyright 1998 Eric Kohl * Copyright 2000 Jason Mawdsley * Copyright 2001 Michael Stefaniuc * Copyright 2001 Charles Loep for CodeWeavers * Copyright 2002 Dimitrie O. Paun * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * NOTE * * This code was audited for completeness against the documented features * of Comctl32.dll version 6.0 on Sep. 12, 2002, by Dimitrie O. Paun. * * Unless otherwise noted, we belive this code to be complete, as per * the specification mentioned above. * If you discover missing features, or bugs, please note them below. * * TODO: * - Add support for ILD_PRESERVEALPHA, ILD_SCALE, ILD_DPISCALE * - Add support for ILS_GLOW, ILS_SHADOW, ILS_SATURATE, ILS_ALPHA * * FIXME: * - Hotspot handling still not correct. The Hotspot passed to BeginDrag * is the offset of the image position relative to the actual mouse pointer * position. However the Hotspot passed to SetDragCursorImage is the * offset of the mouse messages sent to the application... */ #include #include #include "winerror.h" #include "winbase.h" #include "objbase.h" #include "commctrl.h" #include "imagelist.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(imagelist); #define MAX_OVERLAYIMAGE 15 /* internal image list data used for Drag & Drop operations */ typedef struct { HWND hwnd; HIMAGELIST himl; /* position of the drag image relative to the window */ INT x; INT y; /* offset of the hotspot relative to the origin of the image */ INT dxHotspot; INT dyHotspot; /* is the drag image visible */ BOOL bShow; /* saved background */ HBITMAP hbmBg; BOOL bHSPending; } INTERNALDRAG; static INTERNALDRAG InternalDrag = { 0, 0, 0, 0, 0, 0, FALSE, 0, FALSE }; static inline BOOL is_valid(HIMAGELIST himl) { return himl && himl->magic == IMAGELIST_MAGIC; } /************************************************************************* * IMAGELIST_InternalExpandBitmaps [Internal] * * Expands the bitmaps of an image list by the given number of images. * * PARAMS * himl [I] handle to image list * nImageCount [I] number of images to add * * RETURNS * nothing * * NOTES * This function can NOT be used to reduce the number of images. */ static void IMAGELIST_InternalExpandBitmaps (HIMAGELIST himl, INT nImageCount, INT cx, INT cy) { HDC hdcImageList, hdcBitmap; HBITMAP hbmNewBitmap; INT nNewWidth, nNewCount; if ((himl->cCurImage + nImageCount <= himl->cMaxImage) && (himl->cy >= cy)) return; if (cy == 0) cy = himl->cy; nNewCount = himl->cCurImage + nImageCount + himl->cGrow; nNewWidth = nNewCount * himl->cx; TRACE("Create expanded bitmaps : himl=%p x=%d y=%d count=%d\n", himl, nNewWidth, cy, nNewCount); hdcImageList = CreateCompatibleDC (0); hdcBitmap = CreateCompatibleDC (0); hbmNewBitmap = CreateBitmap (nNewWidth, cy, 1, himl->uBitsPixel, NULL); if (hbmNewBitmap == 0) ERR("creating new image bitmap (x=%d y=%d)!\n", nNewWidth, cy); SelectObject (hdcImageList, himl->hbmImage); SelectObject (hdcBitmap, hbmNewBitmap); BitBlt (hdcBitmap, 0, 0, himl->cCurImage * himl->cx, cy, hdcImageList, 0, 0, SRCCOPY); DeleteObject (himl->hbmImage); himl->hbmImage = hbmNewBitmap; if (himl->hbmMask) { hbmNewBitmap = CreateBitmap (nNewWidth, cy, 1, 1, NULL); if (hbmNewBitmap == 0) ERR("creating new mask bitmap!\n"); SelectObject (hdcImageList, himl->hbmMask); SelectObject (hdcBitmap, hbmNewBitmap); BitBlt (hdcBitmap, 0, 0, himl->cCurImage * himl->cx, cy, hdcImageList, 0, 0, SRCCOPY); DeleteObject (himl->hbmMask); himl->hbmMask = hbmNewBitmap; } himl->cMaxImage = nNewCount; DeleteDC (hdcImageList); DeleteDC (hdcBitmap); } /************************************************************************* * ImageList_Add [COMCTL32.@] * * Add an image or images to an image list. * * PARAMS * himl [I] handle to image list * hbmImage [I] handle to image bitmap * hbmMask [I] handle to mask bitmap * * RETURNS * Success: Index of the first new image. * Failure: -1 */ INT WINAPI ImageList_Add (HIMAGELIST himl, HBITMAP hbmImage, HBITMAP hbmMask) { HDC hdcImage, hdcBitmap; INT nFirstIndex, nImageCount; INT nStartX; BITMAP bmp; HBITMAP hOldBitmapImage, hOldBitmap; TRACE("himl=%p hbmimage=%p hbmmask=%p\n", himl, hbmImage, hbmMask); if (!is_valid(himl)) return -1; GetObjectA (hbmImage, sizeof(BITMAP), (LPVOID)&bmp); nImageCount = bmp.bmWidth / himl->cx; IMAGELIST_InternalExpandBitmaps (himl, nImageCount, bmp.bmWidth, bmp.bmHeight); nStartX = himl->cCurImage * himl->cx; hdcImage = CreateCompatibleDC(0); hdcBitmap = CreateCompatibleDC(0); hOldBitmapImage = SelectObject(hdcImage, himl->hbmImage); hOldBitmap = SelectObject(hdcBitmap, hbmImage); /* Copy result to the imagelist */ BitBlt (hdcImage, nStartX, 0, bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY); if(himl->hbmMask) { HDC hdcMask, hdcTemp; HBITMAP hOldBitmapMask, hOldBitmapTemp; hdcMask = CreateCompatibleDC (0); hdcTemp = CreateCompatibleDC(0); hOldBitmapMask = SelectObject(hdcMask, himl->hbmMask); hOldBitmapTemp = SelectObject(hdcTemp, hbmMask); BitBlt (hdcMask, nStartX, 0, bmp.bmWidth, bmp.bmHeight, hdcTemp, 0, 0, SRCCOPY); SelectObject(hdcTemp, hOldBitmapTemp); DeleteDC(hdcTemp); /* Remove the background from the image */ BitBlt (hdcImage, nStartX, 0, bmp.bmWidth, bmp.bmHeight, hdcMask, nStartX, 0, 0x220326); /* NOTSRCAND */ SelectObject(hdcMask, hOldBitmapMask); DeleteDC(hdcMask); } SelectObject(hdcImage, hOldBitmapImage); SelectObject(hdcBitmap, hOldBitmap); DeleteDC(hdcImage); DeleteDC(hdcBitmap); nFirstIndex = himl->cCurImage; himl->cCurImage += nImageCount; return nFirstIndex; } /************************************************************************* * ImageList_AddIcon [COMCTL32.@] * * Adds an icon to an image list. * * PARAMS * himl [I] handle to image list * hIcon [I] handle to icon * * RETURNS * Success: index of the new image * Failure: -1 */ INT WINAPI ImageList_AddIcon (HIMAGELIST himl, HICON hIcon) { return ImageList_ReplaceIcon (himl, -1, hIcon); } /************************************************************************* * ImageList_AddMasked [COMCTL32.@] * * Adds an image or images to an image list and creates a mask from the * specified bitmap using the mask color. * * PARAMS * himl [I] handle to image list. * hBitmap [I] handle to bitmap * clrMask [I] mask color. * * RETURNS * Success: Index of the first new image. * Failure: -1 */ INT WINAPI ImageList_AddMasked (HIMAGELIST himl, HBITMAP hBitmap, COLORREF clrMask) { HDC hdcImage, hdcMask, hdcBitmap; INT nIndex, nImageCount, nMaskXOffset=0; BITMAP bmp; HBITMAP hOldBitmap, hOldBitmapMask, hOldBitmapImage; HBITMAP hMaskBitmap=0; COLORREF bkColor; TRACE("himl=%p hbitmap=%p clrmask=%lx\n", himl, hBitmap, clrMask); if (!is_valid(himl)) return -1; if (!GetObjectA (hBitmap, sizeof(BITMAP), &bmp)) return -1; nImageCount = bmp.bmWidth / himl->cx; IMAGELIST_InternalExpandBitmaps (himl, nImageCount, bmp.bmWidth, bmp.bmHeight); nIndex = himl->cCurImage; himl->cCurImage += nImageCount; hdcMask = CreateCompatibleDC (0); hdcImage = CreateCompatibleDC(0); hdcBitmap = CreateCompatibleDC(0); hOldBitmapImage = SelectObject(hdcImage, himl->hbmImage); hOldBitmap = SelectObject(hdcBitmap, hBitmap); if(himl->hbmMask) { hOldBitmapMask = SelectObject(hdcMask, himl->hbmMask); nMaskXOffset = nIndex * himl->cx; } else { /* Create a temp Mask so we can remove the background of the Image (Windows does this even if there is no mask) */ hMaskBitmap = CreateBitmap(bmp.bmWidth, bmp.bmHeight, 1, 1, NULL); hOldBitmapMask = SelectObject(hdcMask, hMaskBitmap); nMaskXOffset = 0; } /* create monochrome image to the mask bitmap */ bkColor = (clrMask != CLR_DEFAULT) ? clrMask : GetPixel (hdcBitmap, 0, 0); SetBkColor (hdcBitmap, bkColor); BitBlt (hdcMask, nMaskXOffset, 0, bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY); SetBkColor(hdcBitmap, RGB(255,255,255)); /*Remove the background from the image */ /* WINDOWS BUG ALERT!!!!!! The statement below should not be done in common practice but this is how ImageList_AddMasked works in Windows. It overwrites the original bitmap passed, this was discovered by using the same bitmap to iterate the different styles on windows where it failed (BUT ImageList_Add is OK) This is here in case some apps rely on this bug */ BitBlt(hdcBitmap, 0, 0, bmp.bmWidth, bmp.bmHeight, hdcMask, nMaskXOffset, 0, 0x220326); /* NOTSRCAND */ /* Copy result to the imagelist */ BitBlt (hdcImage, nIndex * himl->cx, 0, bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY); /* Clean up */ SelectObject(hdcMask,hOldBitmapMask); SelectObject(hdcImage, hOldBitmapImage); SelectObject(hdcBitmap, hOldBitmap); DeleteDC(hdcMask); DeleteDC(hdcImage); DeleteDC(hdcBitmap); if(!himl->hbmMask) { DeleteObject(hMaskBitmap); } return nIndex; } /************************************************************************* * ImageList_BeginDrag [COMCTL32.@] * * Creates a temporary image list that contains one image. It will be used * as a drag image. * * PARAMS * himlTrack [I] handle to the source image list * iTrack [I] index of the drag image in the source image list * dxHotspot [I] X position of the hot spot of the drag image * dyHotspot [I] Y position of the hot spot of the drag image * * RETURNS * Success: TRUE * Failure: FALSE */ BOOL WINAPI ImageList_BeginDrag (HIMAGELIST himlTrack, INT iTrack, INT dxHotspot, INT dyHotspot) { HDC hdcSrc, hdcDst; INT cx, cy; TRACE("(himlTrack=%p iTrack=%d dx=%d dy=%d)\n", himlTrack, iTrack, dxHotspot, dyHotspot); if (!is_valid(himlTrack)) return FALSE; if (InternalDrag.himl) ImageList_EndDrag (); cx = himlTrack->cx; cy = himlTrack->cy; InternalDrag.himl = ImageList_Create (cx, cy, himlTrack->flags, 1, 1); if (InternalDrag.himl == NULL) { WARN("Error creating drag image list!\n"); return FALSE; } InternalDrag.dxHotspot = dxHotspot; InternalDrag.dyHotspot = dyHotspot; hdcSrc = CreateCompatibleDC (0); hdcDst = CreateCompatibleDC (0); /* copy image */ SelectObject (hdcSrc, himlTrack->hbmImage); SelectObject (hdcDst, InternalDrag.himl->hbmImage); BitBlt (hdcDst, 0, 0, cx, cy, hdcSrc, iTrack * cx, 0, SRCCOPY); /* copy mask */ SelectObject (hdcSrc, himlTrack->hbmMask); SelectObject (hdcDst, InternalDrag.himl->hbmMask); BitBlt (hdcDst, 0, 0, cx, cy, hdcSrc, iTrack * cx, 0, SRCCOPY); DeleteDC (hdcSrc); DeleteDC (hdcDst); InternalDrag.himl->cCurImage = 1; InternalDrag.bHSPending = TRUE; return TRUE; } /************************************************************************* * ImageList_Copy [COMCTL32.@] * * Copies an image of the source image list to an image of the * destination image list. Images can be copied or swapped. * * PARAMS * himlDst [I] handle to the destination image list * iDst [I] destination image index. * himlSrc [I] handle to the source image list * iSrc [I] source image index * uFlags [I] flags for the copy operation * * RETURNS * Success: TRUE * Failure: FALSE * * NOTES * Copying from one image list to another is possible. The original * implementation just copies or swaps within one image list. * Could this feature become a bug??? ;-) */ BOOL WINAPI ImageList_Copy (HIMAGELIST himlDst, INT iDst, HIMAGELIST himlSrc, INT iSrc, INT uFlags) { HDC hdcSrc, hdcDst; TRACE("iDst=%d iSrc=%d\n", iDst, iSrc); if (!is_valid(himlSrc) || !is_valid(himlDst)) return FALSE; if ((iDst < 0) || (iDst >= himlDst->cCurImage)) return FALSE; if ((iSrc < 0) || (iSrc >= himlSrc->cCurImage)) return FALSE; hdcSrc = CreateCompatibleDC (0); if (himlDst == himlSrc) hdcDst = hdcSrc; else hdcDst = CreateCompatibleDC (0); if (uFlags & ILCF_SWAP) { /* swap */ HBITMAP hbmTempImage, hbmTempMask; /* create temporary bitmaps */ hbmTempImage = CreateBitmap (himlSrc->cx, himlSrc->cy, 1, himlSrc->uBitsPixel, NULL); hbmTempMask = CreateBitmap (himlSrc->cx, himlSrc->cy, 1, 1, NULL); /* copy (and stretch) destination to temporary bitmaps.(save) */ /* image */ SelectObject (hdcSrc, himlDst->hbmImage); SelectObject (hdcDst, hbmTempImage); StretchBlt (hdcDst, 0, 0, himlSrc->cx, himlSrc->cy, hdcSrc, iDst * himlDst->cx, 0, himlDst->cx, himlDst->cy, SRCCOPY); /* mask */ SelectObject (hdcSrc, himlDst->hbmMask); SelectObject (hdcDst, hbmTempMask); StretchBlt (hdcDst, 0, 0, himlSrc->cx, himlSrc->cy, hdcSrc, iDst * himlDst->cx, 0, himlDst->cx, himlDst->cy, SRCCOPY); /* copy (and stretch) source to destination */ /* image */ SelectObject (hdcSrc, himlSrc->hbmImage); SelectObject (hdcDst, himlDst->hbmImage); StretchBlt (hdcDst, iDst * himlDst->cx, 0, himlDst->cx, himlDst->cy, hdcSrc, iSrc * himlSrc->cx, 0, himlSrc->cx, himlSrc->cy, SRCCOPY); /* mask */ SelectObject (hdcSrc, himlSrc->hbmMask); SelectObject (hdcDst, himlDst->hbmMask); StretchBlt (hdcDst, iDst * himlDst->cx, 0, himlDst->cx, himlDst->cy, hdcSrc, iSrc * himlSrc->cx, 0, himlSrc->cx, himlSrc->cy, SRCCOPY); /* copy (without stretching) temporary bitmaps to source (restore) */ /* image */ SelectObject (hdcSrc, hbmTempImage); SelectObject (hdcDst, himlSrc->hbmImage); BitBlt (hdcDst, iSrc * himlSrc->cx, 0, himlSrc->cx, himlSrc->cy, hdcSrc, 0, 0, SRCCOPY); /* mask */ SelectObject (hdcSrc, hbmTempMask); SelectObject (hdcDst, himlSrc->hbmMask); BitBlt (hdcDst, iSrc * himlSrc->cx, 0, himlSrc->cx, himlSrc->cy, hdcSrc, 0, 0, SRCCOPY); /* delete temporary bitmaps */ DeleteObject (hbmTempMask); DeleteObject (hbmTempImage); } else { /* copy image */ SelectObject (hdcSrc, himlSrc->hbmImage); if (himlSrc == himlDst) hdcDst = hdcSrc; else SelectObject (hdcDst, himlDst->hbmImage); StretchBlt (hdcDst, iDst * himlDst->cx, 0, himlDst->cx, himlDst->cy, hdcSrc, iSrc * himlSrc->cx, 0, himlSrc->cx, himlSrc->cy, SRCCOPY); /* copy mask */ SelectObject (hdcSrc, himlSrc->hbmMask); if (himlSrc == himlDst) hdcDst = hdcSrc; else SelectObject (hdcDst, himlDst->hbmMask); StretchBlt (hdcDst, iDst * himlDst->cx, 0, himlDst->cx, himlDst->cy, hdcSrc, iSrc * himlSrc->cx, 0, himlSrc->cx, himlSrc->cy, SRCCOPY); } DeleteDC (hdcSrc); if (himlSrc != himlDst) DeleteDC (hdcDst); return TRUE; } /************************************************************************* * ImageList_Create [COMCTL32.@] Creates a new image list. * * PARAMS * cx [I] image height * cy [I] image width * flags [I] creation flags * cInitial [I] initial number of images in the image list * cGrow [I] number of images by which image list grows * * RETURNS * Success: Handle to the created image list * Failure: NULL */ HIMAGELIST WINAPI ImageList_Create (INT cx, INT cy, UINT flags, INT cInitial, INT cGrow) { HIMAGELIST himl; HDC hdc; INT nCount; HBITMAP hbmTemp; static WORD aBitBlend25[] = {0xAA, 0x00, 0x55, 0x00, 0xAA, 0x00, 0x55, 0x00}; static WORD aBitBlend50[] = {0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0x55, 0xAA}; TRACE("(%d %d 0x%x %d %d)\n", cx, cy, flags, cInitial, cGrow); himl = (HIMAGELIST)COMCTL32_Alloc (sizeof(struct _IMAGELIST)); if (!himl) return NULL; himl->magic = IMAGELIST_MAGIC; himl->cx = cx; himl->cy = cy; himl->flags = flags; himl->cMaxImage = cInitial + cGrow; himl->cInitial = cInitial; himl->cGrow = cGrow; himl->cCurImage = 0; himl->clrFg = CLR_DEFAULT; himl->clrBk = CLR_NONE; himl->hbmImage = 0; himl->hbmMask = 0; himl->hbrBlend25 = 0; himl->hbrBlend50 = 0; /* initialize overlay mask indices */ for (nCount = 0; nCount < MAX_OVERLAYIMAGE; nCount++) himl->nOvlIdx[nCount] = -1; hdc = CreateCompatibleDC (0); himl->uBitsPixel = (UINT)GetDeviceCaps (hdc, BITSPIXEL); DeleteDC (hdc); TRACE("Image: %d Bits per Pixel\n", himl->uBitsPixel); if (himl->cMaxImage > 0) { himl->hbmImage = CreateBitmap (himl->cx * himl->cMaxImage, himl->cy, 1, himl->uBitsPixel, NULL); if (himl->hbmImage == 0) { ERR("Error creating image bitmap!\n"); ImageList_Destroy(himl); return NULL; } } else himl->hbmImage = 0; if ( (himl->flags & ILC_MASK)) { int images = himl->cMaxImage; if (images <= 0) images = 1; himl->hbmMask = CreateBitmap (himl->cx * images, himl->cy, 1, 1, NULL); if (himl->hbmMask == 0) { ERR("Error creating mask bitmap!\n"); ImageList_Destroy(himl); return NULL; } } else himl->hbmMask = 0; /* create blending brushes */ hbmTemp = CreateBitmap (8, 8, 1, 1, &aBitBlend25); himl->hbrBlend25 = CreatePatternBrush (hbmTemp); DeleteObject (hbmTemp); hbmTemp = CreateBitmap (8, 8, 1, 1, &aBitBlend50); himl->hbrBlend50 = CreatePatternBrush (hbmTemp); DeleteObject (hbmTemp); TRACE("created imagelist %p\n", himl); return himl; } /************************************************************************* * ImageList_Destroy [COMCTL32.@] * * Destroys an image list. * * PARAMS * himl [I] handle to image list * * RETURNS * Success: TRUE * Failure: FALSE */ BOOL WINAPI ImageList_Destroy (HIMAGELIST himl) { if (!is_valid(himl)) return FALSE; /* delete image bitmaps */ if (himl->hbmImage) DeleteObject (himl->hbmImage); if (himl->hbmMask) DeleteObject (himl->hbmMask); /* delete blending brushes */ if (himl->hbrBlend25) DeleteObject (himl->hbrBlend25); if (himl->hbrBlend50) DeleteObject (himl->hbrBlend50); ZeroMemory(himl, sizeof(*himl)); COMCTL32_Free (himl); return TRUE; } /************************************************************************* * ImageList_DragEnter [COMCTL32.@] * * Locks window update and displays the drag image at the given position. * * PARAMS * hwndLock [I] handle of the window that owns the drag image. * x [I] X position of the drag image. * y [I] Y position of the drag image. * * RETURNS * Success: TRUE * Failure: FALSE * * NOTES * The position of the drag image is relative to the window, not * the client area. */ BOOL WINAPI ImageList_DragEnter (HWND hwndLock, INT x, INT y) { TRACE("(hwnd=%p x=%d y=%d)\n", hwndLock, x, y); if (!is_valid(InternalDrag.himl)) return FALSE; if (hwndLock) InternalDrag.hwnd = hwndLock; else InternalDrag.hwnd = GetDesktopWindow (); InternalDrag.x = x; InternalDrag.y = y; /* draw the drag image and save the background */ if (!ImageList_DragShowNolock(TRUE)) { return FALSE; } return TRUE; } /************************************************************************* * ImageList_DragLeave [COMCTL32.@] * * Unlocks window update and hides the drag image. * * PARAMS * hwndLock [I] handle of the window that owns the drag image. * * RETURNS * Success: TRUE * Failure: FALSE */ BOOL WINAPI ImageList_DragLeave (HWND hwndLock) { /* As we don't save drag info in the window this can lead to problems if an app does not supply the same window as DragEnter */ /* if (hwndLock) InternalDrag.hwnd = hwndLock; else InternalDrag.hwnd = GetDesktopWindow (); */ if(!hwndLock) hwndLock = GetDesktopWindow(); if(InternalDrag.hwnd != hwndLock) FIXME("DragLeave hWnd != DragEnter hWnd\n"); ImageList_DragShowNolock (FALSE); return TRUE; } /************************************************************************* * ImageList_InternalDragDraw [Internal] * * Draws the drag image. * * PARAMS * hdc [I] device context to draw into. * x [I] X position of the drag image. * y [I] Y position of the drag image. * * RETURNS * Success: TRUE * Failure: FALSE * * NOTES * The position of the drag image is relative to the window, not * the client area. * */ static inline void ImageList_InternalDragDraw (HDC hdc, INT x, INT y) { IMAGELISTDRAWPARAMS imldp; ZeroMemory (&imldp, sizeof(imldp)); imldp.cbSize = sizeof(imldp); imldp.himl = InternalDrag.himl; imldp.i = 0; imldp.hdcDst = hdc, imldp.x = x; imldp.y = y; imldp.rgbBk = CLR_DEFAULT; imldp.rgbFg = CLR_DEFAULT; imldp.fStyle = ILD_NORMAL; imldp.fState = ILS_ALPHA; imldp.Frame = 128; /* FIXME: instead of using the alpha blending, we should * create a 50% mask, and draw it semitransparantly that way */ ImageList_DrawIndirect (&imldp); } /************************************************************************* * ImageList_DragMove [COMCTL32.@] * * Moves the drag image. * * PARAMS * x [I] X position of the drag image. * y [I] Y position of the drag image. * * RETURNS * Success: TRUE * Failure: FALSE * * NOTES * The position of the drag image is relative to the window, not * the client area. * * BUGS * The drag image should be drawn semitransparent. */ BOOL WINAPI ImageList_DragMove (INT x, INT y) { TRACE("(x=%d y=%d)\n", x, y); if (!is_valid(InternalDrag.himl)) return FALSE; /* draw/update the drag image */ if (InternalDrag.bShow) { HDC hdcDrag; HDC hdcOffScreen; HDC hdcBg; HBITMAP hbmOffScreen; INT origNewX, origNewY; INT origOldX, origOldY; INT origRegX, origRegY; INT sizeRegX, sizeRegY; /* calculate the update region */ origNewX = x - InternalDrag.dxHotspot; origNewY = y - InternalDrag.dyHotspot; origOldX = InternalDrag.x - InternalDrag.dxHotspot; origOldY = InternalDrag.y - InternalDrag.dyHotspot; origRegX = min(origNewX, origOldX); origRegY = min(origNewY, origOldY); sizeRegX = InternalDrag.himl->cx + abs(x - InternalDrag.x); sizeRegY = InternalDrag.himl->cy + abs(y - InternalDrag.y); hdcDrag = GetDCEx(InternalDrag.hwnd, 0, DCX_WINDOW | DCX_CACHE | DCX_LOCKWINDOWUPDATE); hdcOffScreen = CreateCompatibleDC(hdcDrag); hdcBg = CreateCompatibleDC(hdcDrag); hbmOffScreen = CreateCompatibleBitmap(hdcDrag, sizeRegX, sizeRegY); SelectObject(hdcOffScreen, hbmOffScreen); SelectObject(hdcBg, InternalDrag.hbmBg); /* get the actual background of the update region */ BitBlt(hdcOffScreen, 0, 0, sizeRegX, sizeRegY, hdcDrag, origRegX, origRegY, SRCCOPY); /* erase the old image */ BitBlt(hdcOffScreen, origOldX - origRegX, origOldY - origRegY, InternalDrag.himl->cx, InternalDrag.himl->cy, hdcBg, 0, 0, SRCCOPY); /* save the background */ BitBlt(hdcBg, 0, 0, InternalDrag.himl->cx, InternalDrag.himl->cy, hdcOffScreen, origNewX - origRegX, origNewY - origRegY, SRCCOPY); /* draw the image */ ImageList_InternalDragDraw(hdcOffScreen, origNewX - origRegX, origNewY - origRegY); /* draw the update region to the screen */ BitBlt(hdcDrag, origRegX, origRegY, sizeRegX, sizeRegY, hdcOffScreen, 0, 0, SRCCOPY); DeleteDC(hdcBg); DeleteDC(hdcOffScreen); DeleteObject(hbmOffScreen); ReleaseDC(InternalDrag.hwnd, hdcDrag); } /* update the image position */ InternalDrag.x = x; InternalDrag.y = y; return TRUE; } /************************************************************************* * ImageList_DragShowNolock [COMCTL32.@] * * Shows or hides the drag image. * * PARAMS * bShow [I] TRUE shows the drag image, FALSE hides it. * * RETURNS * Success: TRUE * Failure: FALSE * * BUGS * The drag image should be drawn semitransparent. */ BOOL WINAPI ImageList_DragShowNolock (BOOL bShow) { HDC hdcDrag; HDC hdcBg; INT x, y; if (!is_valid(InternalDrag.himl)) return FALSE; TRACE("bShow=0x%X!\n", bShow); /* DragImage is already visible/hidden */ if ((InternalDrag.bShow && bShow) || (!InternalDrag.bShow && !bShow)) { return FALSE; } /* position of the origin of the DragImage */ x = InternalDrag.x - InternalDrag.dxHotspot; y = InternalDrag.y - InternalDrag.dyHotspot; hdcDrag = GetDCEx (InternalDrag.hwnd, 0, DCX_WINDOW | DCX_CACHE | DCX_LOCKWINDOWUPDATE); if (!hdcDrag) { return FALSE; } hdcBg = CreateCompatibleDC(hdcDrag); if (!InternalDrag.hbmBg) { InternalDrag.hbmBg = CreateCompatibleBitmap(hdcDrag, InternalDrag.himl->cx, InternalDrag.himl->cy); } SelectObject(hdcBg, InternalDrag.hbmBg); if (bShow) { /* save the background */ BitBlt(hdcBg, 0, 0, InternalDrag.himl->cx, InternalDrag.himl->cy, hdcDrag, x, y, SRCCOPY); /* show the image */ ImageList_InternalDragDraw(hdcDrag, x, y); } else { /* hide the image */ BitBlt(hdcDrag, x, y, InternalDrag.himl->cx, InternalDrag.himl->cy, hdcBg, 0, 0, SRCCOPY); } InternalDrag.bShow = !InternalDrag.bShow; DeleteDC(hdcBg); ReleaseDC (InternalDrag.hwnd, hdcDrag); return TRUE; } /************************************************************************* * ImageList_Draw [COMCTL32.@] Draws an image. * * PARAMS * himl [I] handle to image list * i [I] image index * hdc [I] handle to device context * x [I] x position * y [I] y position * fStyle [I] drawing flags * * RETURNS * Success: TRUE * Failure: FALSE * * SEE * ImageList_DrawEx. */ BOOL WINAPI ImageList_Draw (HIMAGELIST himl, INT i, HDC hdc, INT x, INT y, UINT fStyle) { return ImageList_DrawEx (himl, i, hdc, x, y, 0, 0, CLR_DEFAULT, CLR_DEFAULT, fStyle); } /************************************************************************* * ImageList_DrawEx [COMCTL32.@] * * Draws an image and allows to use extended drawing features. * * PARAMS * himl [I] handle to image list * i [I] image index * hdc [I] handle to device context * x [I] X position * y [I] Y position * dx [I] X offset * dy [I] Y offset * rgbBk [I] background color * rgbFg [I] foreground color * fStyle [I] drawing flags * * RETURNS * Success: TRUE * Failure: FALSE * * NOTES * Calls ImageList_DrawIndirect. * * SEE * ImageList_DrawIndirect. */ BOOL WINAPI ImageList_DrawEx (HIMAGELIST himl, INT i, HDC hdc, INT x, INT y, INT dx, INT dy, COLORREF rgbBk, COLORREF rgbFg, UINT fStyle) { IMAGELISTDRAWPARAMS imldp; ZeroMemory (&imldp, sizeof(imldp)); imldp.cbSize = sizeof(imldp); imldp.himl = himl; imldp.i = i; imldp.hdcDst = hdc, imldp.x = x; imldp.y = y; imldp.cx = dx; imldp.cy = dy; imldp.rgbBk = rgbBk; imldp.rgbFg = rgbFg; imldp.fStyle = fStyle; return ImageList_DrawIndirect (&imldp); } /************************************************************************* * ImageList_DrawIndirect [COMCTL32.@] * * Draws an image using ... * * PARAMS * pimldp [I] pointer to IMAGELISTDRAWPARAMS structure. * * RETURNS * Success: TRUE * Failure: FALSE */ BOOL WINAPI ImageList_DrawIndirect (IMAGELISTDRAWPARAMS *pimldp) { INT cx, cy, lx, ly, nOvlIdx; DWORD fState, dwRop; UINT fStyle; COLORREF clrBk, oldImageBk, oldImageFg; HDC hImageDC, hImageListDC, hMaskListDC; HBITMAP hImageBmp, hOldImageBmp, hOldImageListBmp, hOldMaskListBmp, hBlendMaskBmp; BOOL bIsTransparent, bBlend, bResult = FALSE; HIMAGELIST himl; if (!pimldp || !(himl = pimldp->himl)) return FALSE; if (!is_valid(himl)) return FALSE; if ((pimldp->i < 0) || (pimldp->i >= himl->cCurImage)) return FALSE; lx = himl->cx * pimldp->i + pimldp->xBitmap; ly = pimldp->yBitmap; fState = pimldp->cbSize < sizeof(IMAGELISTDRAWPARAMS) ? ILS_NORMAL : pimldp->fState; fStyle = pimldp->fStyle & ~ILD_OVERLAYMASK; cx = (pimldp->cx == 0) ? himl->cx : pimldp->cx; cy = (pimldp->cy == 0) ? himl->cy : pimldp->cy; clrBk = (pimldp->rgbBk == CLR_DEFAULT) ? himl->clrBk : pimldp->rgbBk; bIsTransparent = (fStyle & ILD_TRANSPARENT) || clrBk == CLR_NONE; bBlend = fStyle & (ILD_BLEND25 | ILD_BLEND50); TRACE("hbmMask(%p) iImage(%d) x(%d) y(%d) cx(%d) cy(%d)\n", himl->hbmMask, pimldp->i, pimldp->x, pimldp->y, cx, cy); /* we will use these DCs to access the images and masks in the ImageList */ hImageListDC = CreateCompatibleDC(0); hMaskListDC = himl->hbmMask ? CreateCompatibleDC(0) : 0; /* these will accumulate the image and mask for the image we're drawing */ hImageDC = CreateCompatibleDC( pimldp->hdcDst ); hImageBmp = CreateCompatibleBitmap( pimldp->hdcDst, cx, cy ); hBlendMaskBmp = bBlend ? CreateBitmap(cx, cy, 1, 1, NULL) : 0; /* Create a compatible DC. */ if (!hImageListDC || !hImageDC || !hImageBmp || (bBlend && !hBlendMaskBmp) || (himl->hbmMask && !hMaskListDC)) goto cleanup; hOldImageListBmp = SelectObject(hImageListDC, himl->hbmImage); hOldImageBmp = SelectObject(hImageDC, hImageBmp); hOldMaskListBmp = hMaskListDC ? SelectObject(hMaskListDC, himl->hbmMask) : 0; /* * To obtain a transparent look, background color should be set * to white and foreground color to black when blting the * monochrome mask. */ oldImageFg = SetTextColor( hImageDC, RGB( 0, 0, 0 ) ); oldImageBk = SetBkColor( hImageDC, RGB( 0xff, 0xff, 0xff ) ); /* * Draw the initial image */ if(fStyle & ILD_MASK) { if (himl->hbmMask) { BitBlt(hImageDC, 0, 0, cx, cy, hMaskListDC, lx, ly, SRCCOPY); } else { HBRUSH hOldBrush = SelectObject (hImageDC, GetStockObject(BLACK_BRUSH)); PatBlt( hImageDC, 0, 0, cx, cy, PATCOPY); SelectObject(hImageDC, hOldBrush); } } else if (himl->hbmMask && !bIsTransparent) { /* blend the image with the needed solid background */ HBRUSH hOldBrush = SelectObject (hImageDC, CreateSolidBrush (clrBk)); PatBlt( hImageDC, 0, 0, cx, cy, PATCOPY ); BitBlt( hImageDC, 0, 0, cx, cy, hMaskListDC, lx, ly, SRCAND ); BitBlt( hImageDC, 0, 0, cx, cy, hImageListDC, lx, ly, SRCPAINT ); DeleteObject (SelectObject (hImageDC, hOldBrush)); } else { /* start off with the image, if we have a mask, we'll use it later */ BitBlt( hImageDC, 0, 0, cx, cy, hImageListDC, lx, ly, SRCCOPY); } /* Time for blending, if required */ if (bBlend) { HBRUSH hBlendBrush, hOldBrush; COLORREF clrBlend = pimldp->rgbFg; HDC hBlendMaskDC = hImageListDC; HBITMAP hOldBitmap; /* Create the blend Mask */ hOldBitmap = SelectObject(hBlendMaskDC, hBlendMaskBmp); hBlendBrush = fStyle & ILD_BLEND50 ? himl->hbrBlend50 : himl->hbrBlend25; hOldBrush = (HBRUSH) SelectObject(hBlendMaskDC, hBlendBrush); PatBlt(hBlendMaskDC, 0, 0, cx, cy, PATCOPY); SelectObject(hBlendMaskDC, hOldBrush); /* Modify the blend mask if an Image Mask exist */ if(himl->hbmMask) { BitBlt(hBlendMaskDC, 0, 0, cx, cy, hMaskListDC, lx, ly, 0x220326); /* NOTSRCAND */ BitBlt(hBlendMaskDC, 0, 0, cx, cy, hBlendMaskDC, 0, 0, NOTSRCCOPY); } /* now apply blend to the current image given the BlendMask */ if (clrBlend == CLR_DEFAULT) clrBlend = GetSysColor (COLOR_HIGHLIGHT); else if (clrBlend == CLR_NONE) clrBlend = GetTextColor (pimldp->hdcDst); hOldBrush = (HBRUSH) SelectObject (hImageDC, CreateSolidBrush(clrBlend)); BitBlt (hImageDC, 0, 0, cx, cy, hBlendMaskDC, 0, 0, 0xB8074A); /* PSDPxax */ DeleteObject(SelectObject(hImageDC, hOldBrush)); SelectObject(hBlendMaskDC, hOldBitmap); } /* Now do the overlay image, if any */ nOvlIdx = (pimldp->fStyle & ILD_OVERLAYMASK) >> 8; if ( (nOvlIdx >= 1) && (nOvlIdx <= MAX_OVERLAYIMAGE)) { nOvlIdx = himl->nOvlIdx[nOvlIdx - 1]; if ((nOvlIdx >= 0) && (nOvlIdx < himl->cCurImage)) { const INT ox = himl->cx * nOvlIdx + pimldp->xBitmap; if (himl->hbmMask && !(fStyle & ILD_IMAGE)) BitBlt (hImageDC, 0, 0, cx, cy, hMaskListDC, ox, ly, SRCAND); BitBlt (hImageDC, 0, 0, cx, cy, hImageListDC, ox, ly, SRCPAINT); } } if (fState & ILS_SATURATE) FIXME("ILS_SATURATE: unimplemented!\n"); if (fState & ILS_GLOW) FIXME("ILS_GLOW: unimplemented!\n"); if (fState & ILS_SHADOW) FIXME("ILS_SHADOW: unimplemented!\n"); if (fState & ILS_ALPHA) FIXME("ILS_SHADOW: unimplemented!\n"); if (fStyle & ILD_PRESERVEALPHA) FIXME("ILD_PRESERVEALPHA: unimplemented!\n"); if (fStyle & ILD_SCALE) FIXME("ILD_SCALE: unimplemented!\n"); if (fStyle & ILD_DPISCALE) FIXME("ILD_DPISCALE: unimplemented!\n"); /* now copy the image to the screen */ dwRop = SRCCOPY; if (himl->hbmMask && bIsTransparent && !(fStyle & ILD_MASK)) { COLORREF oldDstFg = SetTextColor(pimldp->hdcDst, RGB( 0, 0, 0 ) ); COLORREF oldDstBk = SetBkColor(pimldp->hdcDst, RGB( 0xff, 0xff, 0xff )); BitBlt (pimldp->hdcDst, pimldp->x, pimldp->y, cx, cy, hMaskListDC, lx, ly, SRCAND); SetBkColor(pimldp->hdcDst, oldDstBk); SetTextColor(pimldp->hdcDst, oldDstFg); dwRop = SRCPAINT; } if (fStyle & ILD_ROP) dwRop = pimldp->dwRop; BitBlt (pimldp->hdcDst, pimldp->x, pimldp->y, cx, cy, hImageDC, 0, 0, dwRop); bResult = TRUE; /* cleanup the mess */ SetBkColor(hImageDC, oldImageBk); SetTextColor(hImageDC, oldImageFg); SelectObject(hImageDC, hOldImageBmp); SelectObject(hImageListDC, hOldImageListBmp); if (hMaskListDC) SelectObject(hMaskListDC, hOldMaskListBmp); cleanup: DeleteObject(hBlendMaskBmp); DeleteObject(hImageBmp); DeleteDC(hImageDC); DeleteDC(hImageListDC); DeleteDC(hMaskListDC); return bResult; } /************************************************************************* * ImageList_Duplicate [COMCTL32.@] Duplicates an image list. * * PARAMS * himlSrc [I] source image list handle * * RETURNS * Success: Handle of duplicated image list. * Failure: NULL */ HIMAGELIST WINAPI ImageList_Duplicate (HIMAGELIST himlSrc) { HIMAGELIST himlDst; HDC hdcSrc, hdcDst; if (!is_valid(himlSrc)) { ERR("Invalid image list handle!\n"); return NULL; } himlDst = ImageList_Create (himlSrc->cx, himlSrc->cy, himlSrc->flags, himlSrc->cInitial, himlSrc->cGrow); if (himlDst) { hdcSrc = CreateCompatibleDC (0); hdcDst = CreateCompatibleDC (0); SelectObject (hdcSrc, himlSrc->hbmImage); SelectObject (hdcDst, himlDst->hbmImage); BitBlt (hdcDst, 0, 0, himlSrc->cCurImage * himlSrc->cx, himlSrc->cy, hdcSrc, 0, 0, SRCCOPY); if (himlDst->hbmMask) { SelectObject (hdcSrc, himlSrc->hbmMask); SelectObject (hdcDst, himlDst->hbmMask); BitBlt (hdcDst, 0, 0, himlSrc->cCurImage * himlSrc->cx, himlSrc->cy, hdcSrc, 0, 0, SRCCOPY); } DeleteDC (hdcDst); DeleteDC (hdcSrc); himlDst->cCurImage = himlSrc->cCurImage; himlDst->cMaxImage = himlSrc->cMaxImage; } return himlDst; } /************************************************************************* * ImageList_EndDrag [COMCTL32.@] Finishes a drag operation. * * Finishes a drag operation. * * PARAMS * no Parameters * * RETURNS * Success: TRUE * Failure: FALSE */ BOOL WINAPI ImageList_EndDrag (void) { /* cleanup the InternalDrag struct */ InternalDrag.hwnd = 0; ImageList_Destroy (InternalDrag.himl); InternalDrag.himl = 0; InternalDrag.x= 0; InternalDrag.y= 0; InternalDrag.dxHotspot = 0; InternalDrag.dyHotspot = 0; InternalDrag.bShow = FALSE; DeleteObject(InternalDrag.hbmBg); InternalDrag.hbmBg = 0; InternalDrag.bHSPending = FALSE; return TRUE; } /************************************************************************* * ImageList_GetBkColor [COMCTL32.@] * * Returns the background color of an image list. * * PARAMS * himl [I] Image list handle. * * RETURNS * Success: background color * Failure: CLR_NONE */ COLORREF WINAPI ImageList_GetBkColor (HIMAGELIST himl) { return himl ? himl->clrBk : CLR_NONE; } /************************************************************************* * ImageList_GetDragImage [COMCTL32.@] * * Returns the handle to the internal drag image list. * * PARAMS * ppt [O] Pointer to the drag position. Can be NULL. * pptHotspot [O] Pointer to the position of the hot spot. Can be NULL. * * RETURNS * Success: Handle of the drag image list. * Failure: NULL. */ HIMAGELIST WINAPI ImageList_GetDragImage (POINT *ppt, POINT *pptHotspot) { if (is_valid(InternalDrag.himl)) { if (ppt) { ppt->x = InternalDrag.x; ppt->y = InternalDrag.y; } if (pptHotspot) { pptHotspot->x = InternalDrag.dxHotspot; pptHotspot->y = InternalDrag.dyHotspot; } return (InternalDrag.himl); } return NULL; } /************************************************************************* * ImageList_GetFlags [COMCTL32.@] * * BUGS * Stub. */ DWORD WINAPI ImageList_GetFlags(HIMAGELIST himl) { FIXME("(%p):empty stub\n", himl); return 0; } /************************************************************************* * ImageList_GetIcon [COMCTL32.@] * * Creates an icon from a masked image of an image list. * * PARAMS * himl [I] handle to image list * i [I] image index * flags [I] drawing style flags * * RETURNS * Success: icon handle * Failure: NULL */ HICON WINAPI ImageList_GetIcon (HIMAGELIST himl, INT i, UINT fStyle) { ICONINFO ii; HICON hIcon; HBITMAP hOldDstBitmap; HDC hdcDst; if (!is_valid(himl) || (i < 0) || (i >= himl->cCurImage)) return NULL; hdcDst = CreateCompatibleDC(0); ii.fIcon = TRUE; /* draw mask*/ ii.hbmMask = CreateCompatibleBitmap (hdcDst, himl->cx, himl->cy); hOldDstBitmap = (HBITMAP)SelectObject (hdcDst, ii.hbmMask); ImageList_Draw(himl, i, hdcDst, 0, 0, ILD_MASK); /* draw image*/ SelectObject (hdcDst, himl->hbmImage); ii.hbmColor = CreateCompatibleBitmap (hdcDst, himl->cx, himl->cy); SelectObject (hdcDst, ii.hbmColor); ImageList_Draw(himl, i, hdcDst, 0, 0, fStyle); /* * CreateIconIndirect requires us to deselect the bitmaps from * the DCs before calling */ SelectObject(hdcDst, hOldDstBitmap); hIcon = CreateIconIndirect (&ii); DeleteObject (ii.hbmMask); DeleteObject (ii.hbmColor); DeleteDC (hdcDst); return hIcon; } /************************************************************************* * ImageList_GetIconSize [COMCTL32.@] * * Retrieves the size of an image in an image list. * * PARAMS * himl [I] handle to image list * cx [O] pointer to the image width. * cy [O] pointer to the image height. * * RETURNS * Success: TRUE * Failure: FALSE * * NOTES * All images in an image list have the same size. */ BOOL WINAPI ImageList_GetIconSize (HIMAGELIST himl, INT *cx, INT *cy) { if (!is_valid(himl)) return FALSE; if ((himl->cx <= 0) || (himl->cy <= 0)) return FALSE; if (cx) *cx = himl->cx; if (cy) *cy = himl->cy; return TRUE; } /************************************************************************* * ImageList_GetImageCount [COMCTL32.@] * * Returns the number of images in an image list. * * PARAMS * himl [I] handle to image list * * RETURNS * Success: Number of images. * Failure: 0 */ INT WINAPI ImageList_GetImageCount (HIMAGELIST himl) { if (!is_valid(himl)) return 0; return himl->cCurImage; } /************************************************************************* * ImageList_GetImageInfo [COMCTL32.@] * * Returns information about an image in an image list. * * PARAMS * himl [I] handle to image list * i [I] image index * pImageInfo [O] pointer to the image information * * RETURNS * Success: TRUE * Failure: FALSE */ BOOL WINAPI ImageList_GetImageInfo (HIMAGELIST himl, INT i, IMAGEINFO *pImageInfo) { if (!is_valid(himl) || (pImageInfo == NULL)) return FALSE; if ((i < 0) || (i >= himl->cCurImage)) return FALSE; pImageInfo->hbmImage = himl->hbmImage; pImageInfo->hbmMask = himl->hbmMask; pImageInfo->rcImage.top = 0; pImageInfo->rcImage.bottom = himl->cy; pImageInfo->rcImage.left = i * himl->cx; pImageInfo->rcImage.right = (i+1) * himl->cx; return TRUE; } /************************************************************************* * ImageList_GetImageRect [COMCTL32.@] * * Retrieves the rectangle of the specified image in an image list. * * PARAMS * himl [I] handle to image list * i [I] image index * lpRect [O] pointer to the image rectangle * * RETURNS * Success: TRUE * Failure: FALSE * * NOTES * This is an UNDOCUMENTED function!!! */ BOOL WINAPI ImageList_GetImageRect (HIMAGELIST himl, INT i, LPRECT lpRect) { if (!is_valid(himl) || (lpRect == NULL)) return FALSE; if ((i < 0) || (i >= himl->cCurImage)) return FALSE; lpRect->left = i * himl->cx; lpRect->top = 0; lpRect->right = lpRect->left + himl->cx; lpRect->bottom = himl->cy; return TRUE; } /************************************************************************* * ImageList_LoadImage [COMCTL32.@] * ImageList_LoadImageA [COMCTL32.@] * * Creates an image list from a bitmap, icon or cursor. * * PARAMS * hi [I] instance handle * lpbmp [I] name or id of the image * cx [I] width of each image * cGrow [I] number of images to expand * clrMask [I] mask color * uType [I] type of image to load * uFlags [I] loading flags * * RETURNS * Success: handle to the loaded image list * Failure: NULL * * SEE * LoadImage () */ HIMAGELIST WINAPI ImageList_LoadImageA (HINSTANCE hi, LPCSTR lpbmp, INT cx, INT cGrow, COLORREF clrMask, UINT uType, UINT uFlags) { HIMAGELIST himl = NULL; HANDLE handle; INT nImageCount; handle = LoadImageA (hi, lpbmp, uType, 0, 0, uFlags); if (!handle) { ERR("Error loading image!\n"); return NULL; } if (uType == IMAGE_BITMAP) { BITMAP bmp; GetObjectA (handle, sizeof(BITMAP), &bmp); /* To match windows behavior, if cx is set to zero and the flag DI_DEFAULTSIZE is specified, cx becomes the system metric value for icons. If the flag is not specified the function sets the size to the height of the bitmap */ if (cx == 0) { if (uFlags & DI_DEFAULTSIZE) cx = GetSystemMetrics (SM_CXICON); else cx = bmp.bmHeight; } nImageCount = bmp.bmWidth / cx; himl = ImageList_Create (cx, bmp.bmHeight, ILC_MASK | ILC_COLOR, nImageCount, cGrow); if (!himl) { DeleteObject (handle); return NULL; } ImageList_AddMasked (himl, (HBITMAP)handle, clrMask); } else if ((uType == IMAGE_ICON) || (uType == IMAGE_CURSOR)) { ICONINFO ii; BITMAP bmp; GetIconInfo (handle, &ii); GetObjectA (ii.hbmColor, sizeof(BITMAP), (LPVOID)&bmp); himl = ImageList_Create (bmp.bmWidth, bmp.bmHeight, ILC_MASK | ILC_COLOR, 1, cGrow); if (!himl) { DeleteObject (ii.hbmColor); DeleteObject (ii.hbmMask); DeleteObject (handle); return NULL; } ImageList_Add (himl, ii.hbmColor, ii.hbmMask); DeleteObject (ii.hbmColor); DeleteObject (ii.hbmMask); } DeleteObject (handle); return himl; } /************************************************************************* * ImageList_LoadImageW [COMCTL32.@] * * Creates an image list from a bitmap, icon or cursor. * * PARAMS * hi [I] instance handle * lpbmp [I] name or id of the image * cx [I] width of each image * cGrow [I] number of images to expand * clrMask [I] mask color * uType [I] type of image to load * uFlags [I] loading flags * * RETURNS * Success: handle to the loaded image list * Failure: NULL * * SEE * LoadImage () */ HIMAGELIST WINAPI ImageList_LoadImageW (HINSTANCE hi, LPCWSTR lpbmp, INT cx, INT cGrow, COLORREF clrMask, UINT uType, UINT uFlags) { HIMAGELIST himl = NULL; HANDLE handle; INT nImageCount; handle = LoadImageW (hi, lpbmp, uType, 0, 0, uFlags); if (!handle) { ERR("Error loading image!\n"); return NULL; } if (uType == IMAGE_BITMAP) { BITMAP bmp; GetObjectA (handle, sizeof(BITMAP), &bmp); /* To match windows behavior, if cx is set to zero and the flag DI_DEFAULTSIZE is specified, cx becomes the system metric value for icons. If the flag is not specified the function sets the size to the height of the bitmap */ if (cx == 0) { if (uFlags & DI_DEFAULTSIZE) cx = GetSystemMetrics (SM_CXICON); else cx = bmp.bmHeight; } nImageCount = bmp.bmWidth / cx; himl = ImageList_Create (cx, bmp.bmHeight, ILC_MASK | ILC_COLOR, nImageCount, cGrow); if (!himl) { DeleteObject (handle); return NULL; } ImageList_AddMasked (himl, (HBITMAP)handle, clrMask); } else if ((uType == IMAGE_ICON) || (uType == IMAGE_CURSOR)) { ICONINFO ii; BITMAP bmp; GetIconInfo (handle, &ii); GetObjectA (ii.hbmMask, sizeof(BITMAP), (LPVOID)&bmp); himl = ImageList_Create (bmp.bmWidth, bmp.bmHeight, ILC_MASK | ILC_COLOR, 1, cGrow); if (!himl) { DeleteObject (ii.hbmColor); DeleteObject (ii.hbmMask); DeleteObject (handle); return NULL; } ImageList_Add (himl, ii.hbmColor, ii.hbmMask); DeleteObject (ii.hbmColor); DeleteObject (ii.hbmMask); } DeleteObject (handle); return himl; } /************************************************************************* * ImageList_Merge [COMCTL32.@] * * Creates a new image list that contains a merged image from the specified * images of both source image lists. * * PARAMS * himl1 [I] handle to first image list * i1 [I] first image index * himl2 [I] handle to second image list * i2 [I] second image index * dx [I] X offset of the second image relative to the first. * dy [I] Y offset of the second image relative to the first. * * RETURNS * Success: handle of the merged image list. * Failure: NULL */ HIMAGELIST WINAPI ImageList_Merge (HIMAGELIST himl1, INT i1, HIMAGELIST himl2, INT i2, INT dx, INT dy) { HIMAGELIST himlDst = NULL; HDC hdcSrcImage, hdcDstImage; INT cxDst, cyDst; INT xOff1, yOff1, xOff2, yOff2; INT nX1, nX2; TRACE("(himl1=%p i1=%d himl2=%p i2=%d dx=%d dy=%d)\n", himl1, i1, himl2, i2, dx, dy); if (!is_valid(himl1) || !is_valid(himl2)) return NULL; /* check indices */ if ((i1 < 0) || (i1 >= himl1->cCurImage)) { ERR("Index 1 out of range! %d\n", i1); return NULL; } if ((i2 < 0) || (i2 >= himl2->cCurImage)) { ERR("Index 2 out of range! %d\n", i2); return NULL; } if (dx > 0) { cxDst = max (himl1->cx, dx + himl2->cx); xOff1 = 0; xOff2 = dx; } else if (dx < 0) { cxDst = max (himl2->cx, himl1->cx - dx); xOff1 = -dx; xOff2 = 0; } else { cxDst = max (himl1->cx, himl2->cx); xOff1 = 0; xOff2 = 0; } if (dy > 0) { cyDst = max (himl1->cy, dy + himl2->cy); yOff1 = 0; yOff2 = dy; } else if (dy < 0) { cyDst = max (himl2->cy, himl1->cy - dy); yOff1 = -dy; yOff2 = 0; } else { cyDst = max (himl1->cy, himl2->cy); yOff1 = 0; yOff2 = 0; } himlDst = ImageList_Create (cxDst, cyDst, ILC_MASK | ILC_COLOR, 1, 1); if (!himlDst) return NULL; if (himlDst) { hdcSrcImage = CreateCompatibleDC (0); hdcDstImage = CreateCompatibleDC (0); nX1 = i1 * himl1->cx; nX2 = i2 * himl2->cx; /* copy image */ SelectObject (hdcSrcImage, himl1->hbmImage); SelectObject (hdcDstImage, himlDst->hbmImage); BitBlt (hdcDstImage, 0, 0, cxDst, cyDst, hdcSrcImage, 0, 0, BLACKNESS); BitBlt (hdcDstImage, xOff1, yOff1, himl1->cx, himl1->cy, hdcSrcImage, nX1, 0, SRCCOPY); SelectObject (hdcSrcImage, himl2->hbmMask); BitBlt (hdcDstImage, xOff2, yOff2, himl2->cx, himl2->cy, hdcSrcImage, nX2, 0, SRCAND); SelectObject (hdcSrcImage, himl2->hbmImage); BitBlt (hdcDstImage, xOff2, yOff2, himl2->cx, himl2->cy, hdcSrcImage, nX2, 0, SRCPAINT); /* copy mask */ SelectObject (hdcSrcImage, himl1->hbmMask); SelectObject (hdcDstImage, himlDst->hbmMask); BitBlt (hdcDstImage, 0, 0, cxDst, cyDst, hdcSrcImage, 0, 0, WHITENESS); BitBlt (hdcDstImage, xOff1, yOff1, himl1->cx, himl1->cy, hdcSrcImage, nX1, 0, SRCCOPY); SelectObject (hdcSrcImage, himl2->hbmMask); BitBlt (hdcDstImage, xOff2, yOff2, himl2->cx, himl2->cy, hdcSrcImage, nX2, 0, SRCAND); DeleteDC (hdcSrcImage); DeleteDC (hdcDstImage); himlDst->cCurImage = 1; } return himlDst; } /* helper for _read_bitmap currently unused */ #if 0 static int may_use_dibsection(HDC hdc) { int bitspixel = GetDeviceCaps(hdc,BITSPIXEL)*GetDeviceCaps(hdc,PLANES); if (bitspixel>8) return TRUE; if (bitspixel<=4) return FALSE; return GetDeviceCaps(hdc,CAPS1) & C1_DIBENGINE; } #endif /* helper for ImageList_Read, see comments below */ static HBITMAP _read_bitmap(LPSTREAM pstm,int ilcFlag,int cx,int cy) { HDC xdc = 0; BITMAPFILEHEADER bmfh; BITMAPINFOHEADER bmih; int bitsperpixel,palspace,longsperline,width,height; LPBITMAPINFOHEADER bmihc = NULL; int result = 0; HBITMAP hbitmap = 0; LPBYTE bits = NULL,nbits = NULL; int nbytesperline,bytesperline; if (!SUCCEEDED(IStream_Read ( pstm, &bmfh, sizeof(bmfh), NULL)) || (bmfh.bfType != (('M'<<8)|'B')) || !SUCCEEDED(IStream_Read ( pstm, &bmih, sizeof(bmih), NULL)) || (bmih.biSize != sizeof(bmih)) ) return 0; bitsperpixel = bmih.biPlanes * bmih.biBitCount; if (bitsperpixel<=8) palspace = (1<>5; bmihc->biSizeImage = (longsperline*height)<<2; /* read the palette right after the end of the bitmapinfoheader */ if (palspace) if (!SUCCEEDED(IStream_Read ( pstm, bmihc+1, palspace, NULL))) goto ret1; xdc = GetDC(0); #if 0 /* Magic for NxM -> 1x(N*M) not implemented for DIB Sections */ if ((bitsperpixel>1) && ((ilcFlag!=ILC_COLORDDB) && (!ilcFlag || may_use_dibsection(xdc))) ) { hbitmap = CreateDIBSection(xdc,(BITMAPINFO*)bmihc,0,(LPVOID*)&bits,0,0); if (!hbitmap) goto ret1; if (!SUCCEEDED(IStream_Read( pstm, bits, bmihc->biSizeImage, NULL))) goto ret1; result = 1; } else #endif { int i,nwidth,nheight; nwidth = width*(height/cy); nheight = cy; if (bitsperpixel==1) hbitmap = CreateBitmap(nwidth,nheight,1,1,NULL); else hbitmap = CreateCompatibleBitmap(xdc,nwidth,nheight); /* Might be a bit excessive memory use here */ bits = (LPBYTE)LocalAlloc(LMEM_ZEROINIT,bmihc->biSizeImage); nbits = (LPBYTE)LocalAlloc(LMEM_ZEROINIT,bmihc->biSizeImage); if (!SUCCEEDED(IStream_Read ( pstm, bits, bmihc->biSizeImage, NULL))) goto ret1; /* Copy the NxM bitmap into a 1x(N*M) bitmap we need, linewise */ /* Do not forget that windows bitmaps are bottom->top */ bytesperline = longsperline*4; nbytesperline = (height/cy)*bytesperline; for (i=0;ibiWidth = nwidth; bmihc->biHeight = nheight; if (!SetDIBits(xdc,hbitmap,0,nheight,nbits,(BITMAPINFO*)bmihc,0)) goto ret1; LocalFree((HLOCAL)nbits); LocalFree((HLOCAL)bits); result = 1; } ret1: if (xdc) ReleaseDC(0,xdc); if (bmihc) LocalFree((HLOCAL)bmihc); if (!result) { if (hbitmap) { DeleteObject(hbitmap); hbitmap = 0; } } return hbitmap; } /************************************************************************* * ImageList_Read [COMCTL32.@] * * Reads an image list from a stream. * * PARAMS * pstm [I] pointer to a stream * * RETURNS * Success: handle to image list * Failure: NULL * * The format is like this: * ILHEAD ilheadstruct; * * for the color image part: * BITMAPFILEHEADER bmfh; * BITMAPINFOHEADER bmih; * only if it has a palette: * RGBQUAD rgbs[nr_of_paletted_colors]; * * BYTE colorbits[imagesize]; * * the following only if the ILC_MASK bit is set in ILHEAD.ilFlags: * BITMAPFILEHEADER bmfh_mask; * BITMAPINFOHEADER bmih_mask; * only if it has a palette (it usually does not): * RGBQUAD rgbs[nr_of_paletted_colors]; * * BYTE maskbits[imagesize]; * * CAVEAT: Those images are within a NxM bitmap, not the 1xN we expect. * _read_bitmap needs to convert them. */ HIMAGELIST WINAPI ImageList_Read (LPSTREAM pstm) { ILHEAD ilHead; HIMAGELIST himl; HBITMAP hbmColor=0,hbmMask=0; int i; if (!SUCCEEDED(IStream_Read (pstm, &ilHead, sizeof(ILHEAD), NULL))) return NULL; if (ilHead.usMagic != (('L' << 8) | 'I')) return NULL; if (ilHead.usVersion != 0x101) /* probably version? */ return NULL; #if 0 FIXME(" ilHead.cCurImage = %d\n",ilHead.cCurImage); FIXME(" ilHead.cMaxImage = %d\n",ilHead.cMaxImage); FIXME(" ilHead.cGrow = %d\n",ilHead.cGrow); FIXME(" ilHead.cx = %d\n",ilHead.cx); FIXME(" ilHead.cy = %d\n",ilHead.cy); FIXME(" ilHead.flags = %x\n",ilHead.flags); FIXME(" ilHead.ovls[0] = %d\n",ilHead.ovls[0]); FIXME(" ilHead.ovls[1] = %d\n",ilHead.ovls[1]); FIXME(" ilHead.ovls[2] = %d\n",ilHead.ovls[2]); FIXME(" ilHead.ovls[3] = %d\n",ilHead.ovls[3]); #endif hbmColor = _read_bitmap(pstm,ilHead.flags & ~ILC_MASK,ilHead.cx,ilHead.cy); if (!hbmColor) return NULL; if (ilHead.flags & ILC_MASK) { hbmMask = _read_bitmap(pstm,0,ilHead.cx,ilHead.cy); if (!hbmMask) { DeleteObject(hbmColor); return NULL; } } himl = ImageList_Create ( ilHead.cx, ilHead.cy, ilHead.flags, 1, /* initial */ ilHead.cGrow ); if (!himl) { DeleteObject(hbmColor); DeleteObject(hbmMask); return NULL; } himl->hbmImage = hbmColor; himl->hbmMask = hbmMask; himl->cCurImage = ilHead.cCurImage; himl->cMaxImage = ilHead.cMaxImage; ImageList_SetBkColor(himl,ilHead.bkcolor); for (i=0;i<4;i++) ImageList_SetOverlayImage(himl,ilHead.ovls[i],i+1); return himl; } /************************************************************************* * ImageList_Remove [COMCTL32.@] Removes an image from an image list * * PARAMS * himl [I] image list handle * i [I] image index * * RETURNS * Success: TRUE * Failure: FALSE */ BOOL WINAPI ImageList_Remove (HIMAGELIST himl, INT i) { HBITMAP hbmNewImage, hbmNewMask; HDC hdcSrc, hdcDst; INT cxNew, nCount; TRACE("(himl=%p i=%d)\n", himl, i); if (!is_valid(himl)) { ERR("Invalid image list handle!\n"); return FALSE; } if ((i < -1) || (i >= himl->cCurImage)) { ERR("index out of range! %d\n", i); return FALSE; } if (i == -1) { /* remove all */ if (himl->cCurImage == 0) { /* remove all on empty ImageList is allowed */ TRACE("remove all on empty ImageList!\n"); return TRUE; } himl->cMaxImage = himl->cInitial + himl->cGrow; himl->cCurImage = 0; for (nCount = 0; nCount < MAX_OVERLAYIMAGE; nCount++) himl->nOvlIdx[nCount] = -1; DeleteObject (himl->hbmImage); himl->hbmImage = CreateBitmap (himl->cMaxImage * himl->cx, himl->cy, 1, himl->uBitsPixel, NULL); if (himl->hbmMask) { DeleteObject (himl->hbmMask); himl->hbmMask = CreateBitmap (himl->cMaxImage * himl->cx, himl->cy, 1, 1, NULL); } } else { /* delete one image */ TRACE("Remove single image! %d\n", i); /* create new bitmap(s) */ cxNew = (himl->cCurImage + himl->cGrow - 1) * himl->cx; TRACE(" - Number of images: %d / %d (Old/New)\n", himl->cCurImage, himl->cCurImage - 1); TRACE(" - Max. number of images: %d / %d (Old/New)\n", himl->cMaxImage, himl->cCurImage + himl->cGrow - 1); hbmNewImage = CreateBitmap (cxNew, himl->cy, 1, himl->uBitsPixel, NULL); if (himl->hbmMask) hbmNewMask = CreateBitmap (cxNew, himl->cy, 1, 1, NULL); else hbmNewMask = 0; /* Just to keep compiler happy! */ hdcSrc = CreateCompatibleDC (0); hdcDst = CreateCompatibleDC (0); /* copy all images and masks prior to the "removed" image */ if (i > 0) { TRACE("Pre image copy: Copy %d images\n", i); SelectObject (hdcSrc, himl->hbmImage); SelectObject (hdcDst, hbmNewImage); BitBlt (hdcDst, 0, 0, i * himl->cx, himl->cy, hdcSrc, 0, 0, SRCCOPY); if (himl->hbmMask) { SelectObject (hdcSrc, himl->hbmMask); SelectObject (hdcDst, hbmNewMask); BitBlt (hdcDst, 0, 0, i * himl->cx, himl->cy, hdcSrc, 0, 0, SRCCOPY); } } /* copy all images and masks behind the removed image */ if (i < himl->cCurImage - 1) { TRACE("Post image copy!\n"); SelectObject (hdcSrc, himl->hbmImage); SelectObject (hdcDst, hbmNewImage); BitBlt (hdcDst, i * himl->cx, 0, (himl->cCurImage - i - 1) * himl->cx, himl->cy, hdcSrc, (i + 1) * himl->cx, 0, SRCCOPY); if (himl->hbmMask) { SelectObject (hdcSrc, himl->hbmMask); SelectObject (hdcDst, hbmNewMask); BitBlt (hdcDst, i * himl->cx, 0, (himl->cCurImage - i - 1) * himl->cx, himl->cy, hdcSrc, (i + 1) * himl->cx, 0, SRCCOPY); } } DeleteDC (hdcSrc); DeleteDC (hdcDst); /* delete old images and insert new ones */ DeleteObject (himl->hbmImage); himl->hbmImage = hbmNewImage; if (himl->hbmMask) { DeleteObject (himl->hbmMask); himl->hbmMask = hbmNewMask; } himl->cCurImage--; himl->cMaxImage = himl->cCurImage + himl->cGrow; } return TRUE; } /************************************************************************* * ImageList_Replace [COMCTL32.@] * * Replaces an image in an image list with a new image. * * PARAMS * himl [I] handle to image list * i [I] image index * hbmImage [I] handle to image bitmap * hbmMask [I] handle to mask bitmap. Can be NULL. * * RETURNS * Success: TRUE * Failure: FALSE */ BOOL WINAPI ImageList_Replace (HIMAGELIST himl, INT i, HBITMAP hbmImage, HBITMAP hbmMask) { HDC hdcImageList, hdcImage; BITMAP bmp; TRACE("%p %d %p %p\n", himl, i, hbmImage, hbmMask); if (!is_valid(himl)) { ERR("Invalid image list handle!\n"); return FALSE; } if ((i >= himl->cMaxImage) || (i < 0)) { ERR("Invalid image index!\n"); return FALSE; } hdcImageList = CreateCompatibleDC (0); hdcImage = CreateCompatibleDC (0); GetObjectA (hbmImage, sizeof(BITMAP), (LPVOID)&bmp); /* Replace Image */ SelectObject (hdcImageList, himl->hbmImage); SelectObject (hdcImage, hbmImage); StretchBlt (hdcImageList, i * himl->cx, 0, himl->cx, himl->cy, hdcImage, 0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY); if (himl->hbmMask) { /* Replace Mask */ SelectObject (hdcImageList, himl->hbmMask); SelectObject (hdcImage, hbmMask); StretchBlt (hdcImageList, i * himl->cx, 0, himl->cx, himl->cy, hdcImage, 0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY); /* Remove the background from the image */ SelectObject (hdcImageList, himl->hbmImage); StretchBlt (hdcImageList, i*himl->cx, 0, himl->cx, himl->cy, hdcImage, 0, 0, bmp.bmWidth, bmp.bmHeight, 0x220326); /* NOTSRCAND */ } DeleteDC (hdcImage); DeleteDC (hdcImageList); return TRUE; } /************************************************************************* * ImageList_ReplaceIcon [COMCTL32.@] * * Replaces an image in an image list using an icon. * * PARAMS * himl [I] handle to image list * i [I] image index * hIcon [I] handle to icon * * RETURNS * Success: index of the replaced image * Failure: -1 */ INT WINAPI ImageList_ReplaceIcon (HIMAGELIST himl, INT i, HICON hIcon) { HDC hdcImageList, hdcImage; INT nIndex; HICON hBestFitIcon; HBITMAP hbmOldSrc, hbmOldDst; ICONINFO ii; BITMAP bmp; TRACE("(0x%lx 0x%x %p)\n", (DWORD)himl, i, hIcon); if (!is_valid(himl)) return -1; if ((i >= himl->cMaxImage) || (i < -1)) return -1; hBestFitIcon = CopyImage( hIcon, IMAGE_ICON, himl->cx, himl->cy, LR_COPYFROMRESOURCE); GetIconInfo (hBestFitIcon, &ii); if (ii.hbmMask == 0) ERR("no mask!\n"); if (ii.hbmColor == 0) ERR("no color!\n"); GetObjectA (ii.hbmMask, sizeof(BITMAP), (LPVOID)&bmp); if (i == -1) { if (himl->cCurImage + 1 > himl->cMaxImage) IMAGELIST_InternalExpandBitmaps (himl, 1, 0, 0); nIndex = himl->cCurImage; himl->cCurImage++; } else nIndex = i; hdcImageList = CreateCompatibleDC (0); TRACE("hdcImageList=%p!\n", hdcImageList); if (hdcImageList == 0) ERR("invalid hdcImageList!\n"); hdcImage = CreateCompatibleDC (0); TRACE("hdcImage=%p!\n", hdcImage); if (hdcImage == 0) ERR("invalid hdcImage!\n"); hbmOldDst = SelectObject (hdcImageList, himl->hbmImage); SetTextColor( hdcImageList, RGB(0,0,0)); SetBkColor( hdcImageList, RGB(255,255,255)); hbmOldSrc = SelectObject (hdcImage, ii.hbmColor); StretchBlt (hdcImageList, nIndex * himl->cx, 0, himl->cx, himl->cy, hdcImage, 0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY); if (himl->hbmMask) { SelectObject (hdcImageList, himl->hbmMask); SelectObject (hdcImage, ii.hbmMask); StretchBlt (hdcImageList, nIndex * himl->cx, 0, himl->cx, himl->cy, hdcImage, 0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY); } SelectObject (hdcImage, hbmOldSrc); SelectObject (hdcImageList, hbmOldDst); if(hBestFitIcon) DestroyIcon(hBestFitIcon); if (hdcImageList) DeleteDC (hdcImageList); if (hdcImage) DeleteDC (hdcImage); if (ii.hbmColor) DeleteObject (ii.hbmColor); if (ii.hbmMask) DeleteObject (ii.hbmMask); return nIndex; } /************************************************************************* * ImageList_SetBkColor [COMCTL32.@] * * Sets the background color of an image list. * * PARAMS * himl [I] handle to image list * clrBk [I] background color * * RETURNS * Success: previous background color * Failure: CLR_NONE */ COLORREF WINAPI ImageList_SetBkColor (HIMAGELIST himl, COLORREF clrBk) { COLORREF clrOldBk; if (!is_valid(himl)) return CLR_NONE; clrOldBk = himl->clrBk; himl->clrBk = clrBk; return clrOldBk; } /************************************************************************* * ImageList_SetDragCursorImage [COMCTL32.@] * * Combines the specified image with the current drag image * * PARAMS * himlDrag [I] handle to drag image list * iDrag [I] drag image index * dxHotspot [I] X position of the hot spot * dyHotspot [I] Y position of the hot spot * * RETURNS * Success: TRUE * Failure: FALSE * * NOTES * When this function is called and the drag image is visible, a * short flickering occurs but this matches the Win9x behavior. It is * possible to fix the flickering using code like in ImageList_DragMove. */ BOOL WINAPI ImageList_SetDragCursorImage (HIMAGELIST himlDrag, INT iDrag, INT dxHotspot, INT dyHotspot) { HIMAGELIST himlTemp; INT dx, dy; BOOL visible; if (!is_valid(InternalDrag.himl) || !is_valid(himlDrag)) return FALSE; TRACE(" dxH=%d dyH=%d nX=%d nY=%d\n", dxHotspot, dyHotspot, InternalDrag.dxHotspot, InternalDrag.dyHotspot); visible = InternalDrag.bShow; /* Calculate the offset between the origin of the old image and the * origin of the second image. * dxHotspot, dyHotspot is the offset of THE Hotspot (there is only one * hotspot) to the origin of the second image. * See M$DN for details */ if(InternalDrag.bHSPending) { dx = 0; dy = 0; InternalDrag.bHSPending = FALSE; } else { dx = InternalDrag.dxHotspot - dxHotspot; dy = InternalDrag.dyHotspot - dyHotspot; } himlTemp = ImageList_Merge (InternalDrag.himl, 0, himlDrag, iDrag, dx, dy); if (visible) { /* hide the drag image */ ImageList_DragShowNolock(FALSE); } if ((InternalDrag.himl->cx != himlTemp->cx) || (InternalDrag.himl->cy != himlTemp->cy)) { /* the size of the drag image changed, invalidate the buffer */ DeleteObject(InternalDrag.hbmBg); InternalDrag.hbmBg = 0; } ImageList_Destroy (InternalDrag.himl); InternalDrag.himl = himlTemp; /* update the InternalDragOffset, if the origin of the * DragImage was changed by ImageList_Merge. */ if (dx <= 0) InternalDrag.dxHotspot = dxHotspot; if (dy <= 0) InternalDrag.dyHotspot = dyHotspot; if (visible) { /* show the drag image */ ImageList_DragShowNolock(TRUE); } return TRUE; } /************************************************************************* * ImageList_SetFilter [COMCTL32.@] * * Sets a filter (or does something completely different)!!??? * It removes 12 Bytes from the stack (3 Parameters). * * PARAMS * himl [I] SHOULD be a handle to image list * i [I] COULD be an index? * dwFilter [I] ??? * * RETURNS * Success: TRUE ??? * Failure: FALSE ??? * * BUGS * This is an UNDOCUMENTED function!!!! * empty stub. */ BOOL WINAPI ImageList_SetFilter (HIMAGELIST himl, INT i, DWORD dwFilter) { FIXME("(%p 0x%x 0x%lx):empty stub!\n", himl, i, dwFilter); return FALSE; } /************************************************************************* * ImageList_SetFlags [COMCTL32.@] * * BUGS * Stub. */ DWORD WINAPI ImageList_SetFlags(HIMAGELIST himl, DWORD flags) { FIXME("(%p %08lx):empty stub\n", himl, flags); return 0; } /************************************************************************* * ImageList_SetIconSize [COMCTL32.@] * * Sets the image size of the bitmap and deletes all images. * * PARAMS * himl [I] handle to image list * cx [I] image width * cy [I] image height * * RETURNS * Success: TRUE * Failure: FALSE */ BOOL WINAPI ImageList_SetIconSize (HIMAGELIST himl, INT cx, INT cy) { INT nCount; if (!is_valid(himl)) return FALSE; /* remove all images */ himl->cMaxImage = himl->cInitial + himl->cGrow; himl->cCurImage = 0; himl->cx = cx; himl->cy = cy; /* initialize overlay mask indices */ for (nCount = 0; nCount < MAX_OVERLAYIMAGE; nCount++) himl->nOvlIdx[nCount] = -1; DeleteObject (himl->hbmImage); himl->hbmImage = CreateBitmap (himl->cMaxImage * himl->cx, himl->cy, 1, himl->uBitsPixel, NULL); if (himl->hbmMask) { DeleteObject (himl->hbmMask); himl->hbmMask = CreateBitmap (himl->cMaxImage * himl->cx, himl->cy, 1, 1, NULL); } return TRUE; } /************************************************************************* * ImageList_SetImageCount [COMCTL32.@] * * Resizes an image list to the specified number of images. * * PARAMS * himl [I] handle to image list * iImageCount [I] number of images in the image list * * RETURNS * Success: TRUE * Failure: FALSE */ BOOL WINAPI ImageList_SetImageCount (HIMAGELIST himl, INT iImageCount) { HDC hdcImageList, hdcBitmap; HBITMAP hbmNewBitmap; INT nNewCount, nCopyCount; TRACE("%p %d\n",himl,iImageCount); if (!is_valid(himl)) return FALSE; if (himl->cCurImage >= iImageCount) return FALSE; if (himl->cMaxImage > iImageCount) { himl->cCurImage = iImageCount; return TRUE; } nNewCount = iImageCount + himl->cGrow; nCopyCount = min(himl->cCurImage, iImageCount); hdcImageList = CreateCompatibleDC (0); hdcBitmap = CreateCompatibleDC (0); hbmNewBitmap = CreateBitmap (nNewCount * himl->cx, himl->cy, 1, himl->uBitsPixel, NULL); if (hbmNewBitmap != 0) { SelectObject (hdcImageList, himl->hbmImage); SelectObject (hdcBitmap, hbmNewBitmap); /* copy images */ BitBlt (hdcBitmap, 0, 0, nCopyCount * himl->cx, himl->cy, hdcImageList, 0, 0, SRCCOPY); #if 0 /* delete 'empty' image space */ SetBkColor (hdcBitmap, RGB(255, 255, 255)); SetTextColor (hdcBitmap, RGB(0, 0, 0)); PatBlt (hdcBitmap, nCopyCount * himl->cx, 0, (nNewCount - nCopyCount) * himl->cx, himl->cy, BLACKNESS); #endif DeleteObject (himl->hbmImage); himl->hbmImage = hbmNewBitmap; } else ERR("Could not create new image bitmap !\n"); if (himl->hbmMask) { hbmNewBitmap = CreateBitmap (nNewCount * himl->cx, himl->cy, 1, 1, NULL); if (hbmNewBitmap != 0) { SelectObject (hdcImageList, himl->hbmMask); SelectObject (hdcBitmap, hbmNewBitmap); /* copy images */ BitBlt (hdcBitmap, 0, 0, nCopyCount * himl->cx, himl->cy, hdcImageList, 0, 0, SRCCOPY); #if 0 /* delete 'empty' image space */ SetBkColor (hdcBitmap, RGB(255, 255, 255)); SetTextColor (hdcBitmap, RGB(0, 0, 0)); PatBlt (hdcBitmap, nCopyCount * himl->cx, 0, (nNewCount - nCopyCount) * himl->cx, himl->cy, BLACKNESS); #endif DeleteObject (himl->hbmMask); himl->hbmMask = hbmNewBitmap; } else ERR("Could not create new mask bitmap!\n"); } DeleteDC (hdcImageList); DeleteDC (hdcBitmap); /* Update max image count and current image count */ himl->cMaxImage = nNewCount; himl->cCurImage = iImageCount; return TRUE; } /************************************************************************* * ImageList_SetOverlayImage [COMCTL32.@] * * Assigns an overlay mask index to an existing image in an image list. * * PARAMS * himl [I] handle to image list * iImage [I] image index * iOverlay [I] overlay mask index * * RETURNS * Success: TRUE * Failure: FALSE */ BOOL WINAPI ImageList_SetOverlayImage (HIMAGELIST himl, INT iImage, INT iOverlay) { if (!is_valid(himl)) return FALSE; if ((iOverlay < 1) || (iOverlay > MAX_OVERLAYIMAGE)) return FALSE; if ((iImage!=-1) && ((iImage < 0) || (iImage > himl->cCurImage))) return FALSE; himl->nOvlIdx[iOverlay - 1] = iImage; return TRUE; } /* helper for ImageList_Write - write bitmap to pstm * currently everything is written as 24 bit RGB, except masks */ static BOOL _write_bitmap(HBITMAP hBitmap, LPSTREAM pstm, int cx, int cy) { LPBITMAPFILEHEADER bmfh; LPBITMAPINFOHEADER bmih; LPBYTE data, lpBits, lpBitsOrg; BITMAP bm; INT bitCount, sizeImage, offBits, totalSize; INT nwidth, nheight, nsizeImage, icount; HDC xdc; BOOL result = FALSE; xdc = GetDC(0); GetObjectA(hBitmap, sizeof(BITMAP), (LPVOID)&bm); /* XXX is this always correct? */ icount = bm.bmWidth / cx; nwidth = cx << 2; nheight = cy * ((icount+3)>>2); bitCount = bm.bmBitsPixel == 1 ? 1 : 24; sizeImage = ((((bm.bmWidth * bitCount)+31) & ~31) >> 3) * bm.bmHeight; nsizeImage = ((((nwidth * bitCount)+31) & ~31) >> 3) * nheight; totalSize = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER); if(bitCount != 24) totalSize += (1 << bitCount) * sizeof(RGBQUAD); offBits = totalSize; totalSize += nsizeImage; data = (LPBYTE)LocalAlloc(LMEM_ZEROINIT, totalSize); bmfh = (LPBITMAPFILEHEADER)data; bmih = (LPBITMAPINFOHEADER)(data + sizeof(BITMAPFILEHEADER)); lpBits = data + offBits; /* setup BITMAPFILEHEADER */ bmfh->bfType = (('M' << 8) | 'B'); bmfh->bfSize = 0; bmfh->bfReserved1 = 0; bmfh->bfReserved2 = 0; bmfh->bfOffBits = offBits; /* setup BITMAPINFOHEADER */ bmih->biSize = sizeof(BITMAPINFOHEADER); bmih->biWidth = bm.bmWidth; bmih->biHeight = bm.bmHeight; bmih->biPlanes = 1; bmih->biBitCount = bitCount; bmih->biCompression = BI_RGB; bmih->biSizeImage = nsizeImage; bmih->biXPelsPerMeter = 0; bmih->biYPelsPerMeter = 0; bmih->biClrUsed = 0; bmih->biClrImportant = 0; lpBitsOrg = (LPBYTE)LocalAlloc(LMEM_ZEROINIT, nsizeImage); if(!GetDIBits(xdc, hBitmap, 0, bm.bmHeight, lpBitsOrg, (BITMAPINFO *)bmih, DIB_RGB_COLORS)) goto failed; else { int i; int obpl = (((bm.bmWidth*bitCount+31) & ~31)>>3); int nbpl = (((nwidth*bitCount+31) & ~31)>>3); for(i = 0; i < nheight; i++) { int ooff = ((nheight-1-i)%cy) * obpl + ((i/cy) * nbpl); int noff = (nbpl * (nheight-1-i)); memcpy(lpBits + noff, lpBitsOrg + ooff, nbpl); } } bmih->biWidth = nwidth; bmih->biHeight = nheight; if(bitCount == 1) { /* Hack. */ LPBITMAPINFO inf = (LPBITMAPINFO)bmih; inf->bmiColors[0].rgbRed = inf->bmiColors[0].rgbGreen = inf->bmiColors[0].rgbBlue = 0; inf->bmiColors[1].rgbRed = inf->bmiColors[1].rgbGreen = inf->bmiColors[1].rgbBlue = 0xff; } if(!SUCCEEDED(IStream_Write(pstm, data, totalSize, NULL))) goto failed; result = TRUE; failed: ReleaseDC(0, xdc); LocalFree((HLOCAL)lpBitsOrg); return result; } /************************************************************************* * ImageList_Write [COMCTL32.@] * * Writes an image list to a stream. * * PARAMS * himl [I] handle to image list * pstm [O] Pointer to a stream. * * RETURNS * Success: TRUE * Failure: FALSE * * BUGS * probably. */ BOOL WINAPI ImageList_Write (HIMAGELIST himl, LPSTREAM pstm) { ILHEAD ilHead; int i; if (!is_valid(himl)) return FALSE; ilHead.usMagic = (('L' << 8) | 'I'); ilHead.usVersion = 0x101; ilHead.cCurImage = himl->cCurImage; ilHead.cMaxImage = himl->cMaxImage; ilHead.cGrow = himl->cGrow; ilHead.cx = himl->cx; ilHead.cy = himl->cy; ilHead.bkcolor = himl->clrBk; ilHead.flags = himl->flags; for(i = 0; i < 4; i++) { ilHead.ovls[i] = himl->nOvlIdx[i]; } if(!SUCCEEDED(IStream_Write(pstm, &ilHead, sizeof(ILHEAD), NULL))) return FALSE; /* write the bitmap */ if(!_write_bitmap(himl->hbmImage, pstm, himl->cx, himl->cy)) return FALSE; /* write the mask if we have one */ if(himl->flags & ILC_MASK) { if(!_write_bitmap(himl->hbmMask, pstm, himl->cx, himl->cy)) return FALSE; } return TRUE; }