Alexandre Julliard : user32: Fix handling of bitmap header size for V4/ V5 bitmaps.
Alexandre Julliard
julliard at winehq.org
Wed Apr 21 10:40:23 CDT 2010
Module: wine
Branch: master
Commit: 3a263a871c3fadfdcbf5ec113e31033a1f12fe54
URL: http://source.winehq.org/git/wine.git/?a=commit;h=3a263a871c3fadfdcbf5ec113e31033a1f12fe54
Author: Alexandre Julliard <julliard at winehq.org>
Date: Wed Apr 21 14:56:26 2010 +0200
user32: Fix handling of bitmap header size for V4/V5 bitmaps.
---
dlls/user32/cursoricon.c | 33 +++++++--------------------------
1 files changed, 7 insertions(+), 26 deletions(-)
diff --git a/dlls/user32/cursoricon.c b/dlls/user32/cursoricon.c
index 0fc55ad..7035c1b 100644
--- a/dlls/user32/cursoricon.c
+++ b/dlls/user32/cursoricon.c
@@ -320,7 +320,7 @@ static int bitmap_info_size( const BITMAPINFO * info, WORD coloruse )
if (!colors && (info->bmiHeader.biBitCount <= 8))
colors = 1 << info->bmiHeader.biBitCount;
if (info->bmiHeader.biCompression == BI_BITFIELDS) masks = 3;
- return sizeof(BITMAPINFOHEADER) + masks * sizeof(DWORD) + colors *
+ return info->bmiHeader.biSize + masks * sizeof(DWORD) + colors *
((coloruse == DIB_RGB_COLORS) ? sizeof(RGBQUAD) : sizeof(WORD));
}
}
@@ -380,19 +380,10 @@ static BOOL is_dib_monochrome( const BITMAPINFO* info )
*
* Get the info from a bitmap header.
* Return 1 for INFOHEADER, 0 for COREHEADER,
- * 4 for V4HEADER, 5 for V5HEADER, -1 for error.
*/
static int DIB_GetBitmapInfo( const BITMAPINFOHEADER *header, LONG *width,
LONG *height, WORD *bpp, DWORD *compr )
{
- if (header->biSize == sizeof(BITMAPINFOHEADER))
- {
- *width = header->biWidth;
- *height = header->biHeight;
- *bpp = header->biBitCount;
- *compr = header->biCompression;
- return 1;
- }
if (header->biSize == sizeof(BITMAPCOREHEADER))
{
const BITMAPCOREHEADER *core = (const BITMAPCOREHEADER *)header;
@@ -402,23 +393,13 @@ static int DIB_GetBitmapInfo( const BITMAPINFOHEADER *header, LONG *width,
*compr = 0;
return 0;
}
- if (header->biSize == sizeof(BITMAPV4HEADER))
+ else if (header->biSize >= sizeof(BITMAPINFOHEADER))
{
- const BITMAPV4HEADER *v4hdr = (const BITMAPV4HEADER *)header;
- *width = v4hdr->bV4Width;
- *height = v4hdr->bV4Height;
- *bpp = v4hdr->bV4BitCount;
- *compr = v4hdr->bV4V4Compression;
- return 4;
- }
- if (header->biSize == sizeof(BITMAPV5HEADER))
- {
- const BITMAPV5HEADER *v5hdr = (const BITMAPV5HEADER *)header;
- *width = v5hdr->bV5Width;
- *height = v5hdr->bV5Height;
- *bpp = v5hdr->bV5BitCount;
- *compr = v5hdr->bV5Compression;
- return 5;
+ *width = header->biWidth;
+ *height = header->biHeight;
+ *bpp = header->biBitCount;
+ *compr = header->biCompression;
+ return 1;
}
ERR("(%d): unknown/wrong size for header\n", header->biSize );
return -1;
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