Article ID: 216205
Article Last Modified on 6/29/2004
APPLIES TO
- Microsoft Visual Basic 5.0 Learning Edition
- Microsoft Visual Basic 6.0 Learning Edition
- Microsoft Visual Basic 5.0 Professional Edition
- Microsoft Visual Basic 6.0 Professional Edition
- Microsoft Visual Basic 5.0 Enterprise Edition
- Microsoft Visual Basic 6.0 Enterprise Edition
- Microsoft Visual Basic 4.0 Standard Edition
- Microsoft Visual Basic 4.0 Professional Edition
- Microsoft Visual Basic 4.0 32-Bit Enterprise Edition
This article was previously published under Q216205
SYMPTOMS
Bitmaps created using Win98 Imaging components, such as Imaging for Windows (Win98) or IMGEDIT.OCX, create a BMP that cannot be read in Windows 95, Windows NT 4.0, or Windows 2000 using MSPAINT.EXE or the Visual Basic PictureBox control.
You would receive the folling error message:
CAUSE
The Win98 Imaging components save out the bitmaps using the v5.0 BITMAPINFOHEADER structure.
Following is the VC++ BITMAPINFOHEADER v5.0 structure:
typedef struct {
DWORD bV5Size;
LONG bV5Width;
LONG bV5Height;
WORD bV5Planes;
WORD bV5BitCount;
DWORD bV5Compression;
DWORD bV5SizeImage;
LONG bV5XPelsPerMeter;
LONG bV5YPelsPerMeter;
DWORD bV5ClrUsed;
DWORD bV5ClrImportant;
DWORD bV5RedMask;
DWORD bV5GreenMask;
DWORD bV5BlueMask;
DWORD bV5AlphaMask;
DWORD bV5CSType;
CIEXYZTRIPLE bV5Endpoints;
DWORD bV5GammaRed;
DWORD bV5GammaGreen;
DWORD bV5GammaBlue;
DWORD bV5Intent;
DWORD bV5ProfileData;
DWORD bV5ProfileSize;
DWORD bV5Reserved;
} BITMAPV5HEADER, FAR *LPBITMAPV5HEADER, *PBITMAPV5HEADER;
The members of this structure, starting with bV5Size through bV5ClrImportant, are the same as those found in a normal BITMAPINFOHEADER structure, which is readable in Windows 95, Windows NT, and Windows 2000. The remainder of the BITMAPINFOHEADER structure contains new members where older applications would expect to find the start of the Color Table.
RESOLUTION
There are three workarounds for this problem:
- Open the resultant BMP using the 'Imaging for Windows' application on either Windows 95, Windows NT, or Windows 2000, and save it again. This saves the bitmap in the standard BMP format.
- Open the resultant BMP using the IMGEDIT control in Windows 95, Windows NT, or Windows 2000 and do a SaveAs on the image to again save it out as a BMP. This saves the bitmap in the standard BMP format.
- Create a routine that reads the BMP file and converts it back to the original BITMAPINFOHEADER structure.
STATUS
This problem has been reported as a bug to Eastman Kodak, makers of the Imaging controls.
MORE INFORMATION
Steps to Reproduce Behavior
- Using the Win98 ImgEdit control, save a BMP image to a file.
- Take that file to a Windows 95, Windows NT, or Windows 2000 system. Attempt to load it into either MSPAINT.EXE or the Picture Property of a Visual Basic PictureBox control.
Keywords: kbbitmap kbprb kb3rdparty KB216205
