Sathish,
           It seems it is reading and verifying bitmap planes and bpp data
by the following method

data.unpack("x26 v2")

The value return by this method should be 24. This is nothing but
bitcount(they were calling like this).

So please check the above method is returning 24. If the value of bitcount
is 24 then the error will never come.

Regards,
Manivannan

On 17 November 2014 15:55, sathish thandavan <[email protected]>
wrote:

> workbook   = WriteExcel.new("images.xls")
> worksheet4 = workbook.add_worksheet('Image 1')
> worksheet4.write('A10', "Image inserted over scaled rows and columns.")
> worksheet4.insert_image('A1',
>   File.join(File.dirname(File.expand_path(__FILE__)), '24bit.bmp')
> )
> workbook.close
>
> I am not able to write bitmap image whereas I can import .jpg images well.
>
> Error i am getting
> "isn't a 24bit true color bitmap."
>
> Also used this step to convert into true color bitmap
> "convert alarm.bmp -type truecolor 24bit.bmp"
>
> Help..
>
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