Implemented ImageList_Write.
This commit is contained in:
Charles Loep
Alexandre Julliard
parent
9ef01a23c5
commit
02cbb360e8
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@ -4,11 +4,11 @@
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* Copyright 1998 Eric Kohl
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* 2000 Jason Mawdsley.
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* 2001 Michael Stefaniuc
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* 2001 Charles Loep for CodeWeavers
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*
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* TODO:
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* - Fix ImageList_DrawIndirect (xBitmap, yBitmap, rgbFg, rgbBk, dwRop).
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* - Fix ImageList_GetIcon.
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* - Fix ImageList_Write.
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* - Fix ImageList_SetFilter (undocumented).
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* BTW does anybody know anything about this function???
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* - It removes 12 Bytes from the stack (3 Parameters).
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@ -2853,6 +2853,105 @@ ImageList_SetOverlayImage (HIMAGELIST himl, INT iImage, INT iOverlay)
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}
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/* helper for ImageList_Write - write bitmap to pstm
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* currently everything is written as 24 bit RGB, except masks
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*/
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static BOOL
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_write_bitmap(HBITMAP hBitmap, LPSTREAM pstm, int cx, int cy)
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{
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LPBITMAPFILEHEADER bmfh;
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LPBITMAPINFOHEADER bmih;
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LPBYTE data, lpBits, lpBitsOrg;
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BITMAP bm;
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INT bitCount, sizeImage, offBits, totalSize;
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INT nwidth, nheight, nsizeImage, icount;
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HDC xdc;
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BOOL result = FALSE;
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xdc = GetDC(0);
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GetObjectA(hBitmap, sizeof(BITMAP), (LPVOID)&bm);
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/* XXX is this always correct? */
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icount = bm.bmWidth / cx;
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nwidth = cx << 2;
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nheight = cy * ((icount+3)>>2);
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bitCount = bm.bmBitsPixel == 1 ? 1 : 24;
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sizeImage = ((((bm.bmWidth * bitCount)+31) & ~31) >> 3) * bm.bmHeight;
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nsizeImage = ((((nwidth * bitCount)+31) & ~31) >> 3) * nheight;
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totalSize = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER);
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if(bitCount != 24)
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totalSize += (1 << bitCount) * sizeof(RGBQUAD);
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offBits = totalSize;
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totalSize += nsizeImage;
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data = (LPBYTE)LocalAlloc(LMEM_ZEROINIT, totalSize);
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bmfh = (LPBITMAPFILEHEADER)data;
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bmih = (LPBITMAPINFOHEADER)(data + sizeof(BITMAPFILEHEADER));
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lpBits = data + offBits;
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/* setup BITMAPFILEHEADER */
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bmfh->bfType = (('M' << 8) | 'B');
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bmfh->bfSize = 0;
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bmfh->bfReserved1 = 0;
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bmfh->bfReserved2 = 0;
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bmfh->bfOffBits = offBits;
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/* setup BITMAPINFOHEADER */
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bmih->biSize = sizeof(BITMAPINFOHEADER);
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bmih->biWidth = bm.bmWidth;
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bmih->biHeight = bm.bmHeight;
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bmih->biPlanes = 1;
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bmih->biBitCount = bitCount;
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bmih->biCompression = BI_RGB;
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bmih->biSizeImage = nsizeImage;
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bmih->biXPelsPerMeter = 0;
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bmih->biYPelsPerMeter = 0;
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bmih->biClrUsed = 0;
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bmih->biClrImportant = 0;
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lpBitsOrg = (LPBYTE)LocalAlloc(LMEM_ZEROINIT, nsizeImage);
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if(!GetDIBits(xdc, hBitmap, 0, bm.bmHeight, lpBitsOrg,
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(BITMAPINFO *)bmih, DIB_RGB_COLORS))
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goto failed;
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else {
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int i;
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int obpl = (((bm.bmWidth*bitCount+31) & ~31)>>3);
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int nbpl = (((nwidth*bitCount+31) & ~31)>>3);
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for(i = 0; i < nheight; i++) {
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int ooff = ((nheight-1-i)%cy) * obpl + ((i/cy) * nbpl);
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int noff = (nbpl * (nheight-1-i));
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memcpy(lpBits + noff, lpBitsOrg + ooff, nbpl);
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}
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}
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bmih->biWidth = nwidth;
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bmih->biHeight = nheight;
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if(bitCount == 1) {
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//Hack.
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LPBITMAPINFO inf = (LPBITMAPINFO)bmih;
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inf->bmiColors[0].rgbRed = inf->bmiColors[0].rgbGreen = inf->bmiColors[0].rgbBlue = 0;
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inf->bmiColors[1].rgbRed = inf->bmiColors[1].rgbGreen = inf->bmiColors[1].rgbBlue = 0xff;
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}
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if(!SUCCEEDED(IStream_Write(pstm, data, totalSize, NULL)))
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goto failed;
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result = TRUE;
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failed:
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ReleaseDC(0, xdc);
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LocalFree((HLOCAL)lpBitsOrg);
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return result;
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}
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/*************************************************************************
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* ImageList_Write [COMCTL32.83]
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*
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@ -2866,22 +2965,45 @@ ImageList_SetOverlayImage (HIMAGELIST himl, INT iImage, INT iOverlay)
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* Success: TRUE
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* Failure: FALSE
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*
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* NOTES
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* This function can not be implemented yet, because
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* IStream32::Write is not implemented.
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*
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* BUGS
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* empty stub.
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* probably.
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*/
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BOOL WINAPI
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ImageList_Write (HIMAGELIST himl, LPSTREAM pstm)
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{
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ILHEAD ilHead;
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int i;
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if (!himl)
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return FALSE;
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FIXME("empty stub!\n");
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ilHead.usMagic = (('L' << 8) | 'I');
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ilHead.usVersion = 0x101;
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ilHead.cCurImage = himl->cCurImage;
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ilHead.cMaxImage = himl->cMaxImage;
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ilHead.cGrow = himl->cGrow;
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ilHead.cx = himl->cx;
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ilHead.cy = himl->cy;
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ilHead.bkcolor = himl->clrBk;
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ilHead.flags = himl->flags;
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for(i = 0; i < 4; i++) {
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ilHead.ovls[i] = himl->nOvlIdx[i];
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}
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return FALSE;
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if(!SUCCEEDED(IStream_Write(pstm, &ilHead, sizeof(ILHEAD), NULL)))
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return FALSE;
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/* write the bitmap */
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if(!_write_bitmap(himl->hbmImage, pstm, himl->cx, himl->cy))
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return FALSE;
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/* write the mask if we have one */
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if(himl->flags & ILC_MASK) {
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if(!_write_bitmap(himl->hbmMask, pstm, himl->cx, himl->cy))
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return FALSE;
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}
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return TRUE;
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}
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