From: Jacek Caban jacek@codeweavers.com
Signed-off-by: Jacek Caban jacek@codeweavers.com Signed-off-by: Huw Davies huw@codeweavers.com --- dlls/gdi32/dib.c | 29 ++++++++++++----------------- dlls/gdi32/objects.c | 31 ++++++++++++++++++++++++++++++- include/ntgdi.h | 4 ++++ 3 files changed, 46 insertions(+), 18 deletions(-)
diff --git a/dlls/gdi32/dib.c b/dlls/gdi32/dib.c index 976e6060955..fa736223aae 100644 --- a/dlls/gdi32/dib.c +++ b/dlls/gdi32/dib.c @@ -1418,35 +1418,30 @@ done:
/*********************************************************************** - * CreateDIBitmap (GDI32.@) + * NtGdiCreateDIBitmapInternal (win32u.@) * * Creates a DDB (device dependent bitmap) from a DIB. * The DDB will have the same color depth as the reference DC. */ -HBITMAP WINAPI CreateDIBitmap( HDC hdc, const BITMAPINFOHEADER *header, - DWORD init, LPCVOID bits, const BITMAPINFO *data, - UINT coloruse ) +HBITMAP WINAPI NtGdiCreateDIBitmapInternal( HDC hdc, INT width, INT height, DWORD init, + const void *bits, const BITMAPINFO *data, + UINT coloruse, UINT max_info, UINT max_bits, + ULONG flags, HANDLE xform ) { - BITMAPINFOHEADER info; HBITMAP handle; - LONG height;
- if (!bitmapinfoheader_from_user_bitmapinfo( &info, header )) return 0; - if (info.biCompression == BI_JPEG || info.biCompression == BI_PNG) return 0; - if (coloruse > DIB_PAL_COLORS + 1) return 0; - if (info.biWidth < 0) return 0; + if (coloruse > DIB_PAL_COLORS + 1 || width < 0) return 0;
/* Top-down DIBs have a negative height */ - height = abs( info.biHeight ); + height = abs( height );
- TRACE("hdc=%p, header=%p, init=%u, bits=%p, data=%p, coloruse=%u (bitmap: width=%d, height=%d, bpp=%u, compr=%u)\n", - hdc, header, init, bits, data, coloruse, info.biWidth, info.biHeight, - info.biBitCount, info.biCompression); + TRACE( "hdc=%p, init=%u, bits=%p, data=%p, coloruse=%u (bitmap: width=%d, height=%d)\n", + hdc, init, bits, data, coloruse, width, height );
if (hdc == NULL) - handle = CreateBitmap( info.biWidth, height, 1, 1, NULL ); + handle = NtGdiCreateBitmap( width, height, 1, 1, NULL ); else - handle = CreateCompatibleBitmap( hdc, info.biWidth, height ); + handle = NtGdiCreateCompatibleBitmap( hdc, width, height );
if (handle) { @@ -1454,7 +1449,7 @@ HBITMAP WINAPI CreateDIBitmap( HDC hdc, const BITMAPINFOHEADER *header, { if (SetDIBits( hdc, handle, 0, height, bits, data, coloruse ) == 0) { - DeleteObject( handle ); + NtGdiDeleteObjectApp( handle ); handle = 0; } } diff --git a/dlls/gdi32/objects.c b/dlls/gdi32/objects.c index 03985737b51..055994a1680 100644 --- a/dlls/gdi32/objects.c +++ b/dlls/gdi32/objects.c @@ -725,7 +725,36 @@ UINT WINAPI GetSystemPaletteEntries( HDC hdc, UINT start, UINT count, PALETTEENT }
/*********************************************************************** - * GetDIBits (GDI32.@) + * CreateDIBitmap (GDI32.@) + */ +HBITMAP WINAPI CreateDIBitmap( HDC hdc, const BITMAPINFOHEADER *header, DWORD init, + const void *bits, const BITMAPINFO *data, UINT coloruse ) +{ + int width, height; + + if (!header) return 0; + + if (header->biSize == sizeof(BITMAPCOREHEADER)) + { + const BITMAPCOREHEADER *core = (const BITMAPCOREHEADER *)header; + width = core->bcWidth; + height = core->bcHeight; + } + else if (header->biSize >= sizeof(BITMAPINFOHEADER)) + { + if (header->biCompression == BI_JPEG || header->biCompression == BI_PNG) return 0; + width = header->biWidth; + height = header->biHeight; + } + else return 0; + + if (!width || !height) return GetStockObject( STOCK_LAST + 1 ); /* default 1x1 bitmap */ + return NtGdiCreateDIBitmapInternal( hdc, width, height, init, bits, data, coloruse, + 0, 0, 0, 0 ); +} + +/*********************************************************************** + * GetDIBits (win32u.@) */ INT WINAPI DECLSPEC_HOTPATCH GetDIBits( HDC hdc, HBITMAP hbitmap, UINT startscan, UINT lines, void *bits, BITMAPINFO *info, UINT coloruse ) diff --git a/include/ntgdi.h b/include/ntgdi.h index fbe168a73bd..72427a20295 100644 --- a/include/ntgdi.h +++ b/include/ntgdi.h @@ -218,6 +218,10 @@ BOOL WINAPI NtGdiComputeXformCoefficients( HDC hdc ); HBITMAP WINAPI NtGdiCreateBitmap( INT width, INT height, UINT planes, UINT bpp, const void *bits ); HBITMAP WINAPI NtGdiCreateCompatibleBitmap( HDC hdc, INT width, INT height ); +HBITMAP WINAPI NtGdiCreateDIBitmapInternal( HDC hdc, INT width, INT height, DWORD init, + const void *bits, const BITMAPINFO *data, + UINT coloruse, UINT max_info, UINT max_bits, + ULONG flags, HANDLE xform ); HPALETTE WINAPI NtGdiCreateHalftonePalette( HDC hdc ); HBRUSH WINAPI NtGdiCreateHatchBrushInternal( INT style, COLORREF color, BOOL pen ); HDC WINAPI NtGdiCreateMetafileDC( HDC hdc );
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Huw Davies