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- Cleaned up NtGdiCreateDIBitmap.
svn path=/trunk/; revision=6577
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@ -1,5 +1,5 @@
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/*
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* $Id: dib.c,v 1.35 2003/10/04 21:09:29 gvg Exp $
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* $Id: dib.c,v 1.36 2003/11/08 11:19:47 navaraf Exp $
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*
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* ReactOS W32 Subsystem
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* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 ReactOS Team
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@ -515,7 +515,6 @@ HBITMAP STDCALL NtGdiCreateDIBitmap(HDC hdc, const BITMAPINFOHEADER *header,
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UINT coloruse)
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{
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HBITMAP handle;
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BOOL fColor;
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DWORD width;
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int height;
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WORD bpp;
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@ -527,65 +526,21 @@ HBITMAP STDCALL NtGdiCreateDIBitmap(HDC hdc, const BITMAPINFOHEADER *header,
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// Check if we should create a monochrome or color bitmap. We create a monochrome bitmap only if it has exactly 2
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// colors, which are black followed by white, nothing else. In all other cases, we create a color bitmap.
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if (bpp != 1) fColor = TRUE;
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else if ((coloruse != DIB_RGB_COLORS) ||
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(init != CBM_INIT) || !data) fColor = FALSE;
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else
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{
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if (data->bmiHeader.biSize == sizeof(BITMAPINFOHEADER))
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{
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RGBQUAD *rgb = data->bmiColors;
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DWORD col = RGB( rgb->rgbRed, rgb->rgbGreen, rgb->rgbBlue );
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// Check if the first color of the colormap is black
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if ((col == RGB(0, 0, 0)))
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{
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rgb++;
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col = RGB( rgb->rgbRed, rgb->rgbGreen, rgb->rgbBlue );
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// If the second color is white, create a monochrome bitmap
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fColor = (col != RGB(0xff,0xff,0xff));
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}
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else fColor = TRUE;
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}
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else if (data->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
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{
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RGBTRIPLE *rgb = ((BITMAPCOREINFO *)data)->bmciColors;
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DWORD col = RGB( rgb->rgbtRed, rgb->rgbtGreen, rgb->rgbtBlue);
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if ((col == RGB(0,0,0)))
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{
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rgb++;
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col = RGB( rgb->rgbtRed, rgb->rgbtGreen, rgb->rgbtBlue );
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fColor = (col != RGB(0xff,0xff,0xff));
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}
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else fColor = TRUE;
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}
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else
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{
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DPRINT("(%ld): wrong size for data\n", data->bmiHeader.biSize );
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return 0;
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}
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}
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// Now create the bitmap
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if (init == CBM_INIT)
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{
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handle = NtGdiCreateCompatibleBitmap(hdc, width, height);
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if (!handle)
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{
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return 0;
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}
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NtGdiSetDIBits(hdc, handle, 0, height, bits, data, coloruse);
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}
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else
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{
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handle = NtGdiCreateBitmap(width, height, 1, bpp, NULL);
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}
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if (!handle) return 0;
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if (init == CBM_INIT)
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{
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NtGdiSetDIBits(hdc, handle, 0, height, bits, data, coloruse);
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}
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return handle;
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}
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