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WBMP to BMP

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Information about BMP
File extension
bmp
File category
Image file (Raster)
Stands for
Bitmap image file
Developer
Microsoft
Overview
BMP format is used for Raster images. These images contain a grid of pixels and each pixel further depicts an individual colour within the image. In this, there can be varying levels of colour depths per pixel, as this criterion is entirely based on the file header which tells about the number of bits per pixel. The images stored is often uncompressed when they are 16 bpp and 32bpp. It is capable of storing only 2-dimensional images( both monochrome-single colour and colourful, with numerous colour depths). A user does not require a graphics adapter to view this file. It is not a popular format these days as it takes lots of time to upload, send and download, due to its large size.
Technical description
BMP file format comes up with the option of data compression, colour profiles and alpha channels. Alpha composting results in partial or fully transparent images which are done by incorporating or mixing one image with a background. Exchanging bitmaps between devices and applications is possible due to a unique representation of colour bitmaps of distinct colour depths, defined by Microsoft. That is why it is termed as a device-independent bitmap file format(DIBs). Additionally, it has both fixed-size and variable-sized structures. This format follows structures in the order given ahead- bitmap file header(stores general information), DIB header(Contains detailed information including pixel format), Extra bitmasks(Define pixel format), colour table( define colours used), Gap 1(Structure alignment), a Pixel array(Actual values of a pixel), Gap 2(Structure alignment)and ICC colour profile(Colour management).
Links
wikipedia.org

Information about WBMP
File extension
wbmp
File category
Raster Image file
Stands for
Wireless application protocol bitmap format or wireless bitmap
Developer
WAP Forum
Overview
This file extension is capable of storing only monochromatic images that are black and white. This format has become now outdated and it was used by early mobile phones for exchanging and storing the monochromatic pictures that were sent using SMS messaging service. The successor to this is PNG which supports colours. As mobile phones have come up with improved and enhanced features that is why this format has been largely replaced by full-colour image and video formats. This extension has many likenesses with BMP files that is the standard bitmap images. WBMP does not support grayscale images as well as colour images. The size of the file is small and is always kept in reduced size.
Technical description
In this WBMP format, pictures are created by using pixels in which 0 (zero) is assigned to black pixel and 1 (one) is for a white pixel. There are certain fields which are present in this file extension. The field names are as follows along with their purpose. The first one is type, it tells about the type of an image and zero is fixed for monochrome bitmaps. The next is a fixed header and it is always reserved with 0 value. Then comes the width and this defines the breadth of an image in pixels. The second last is the height and it represents the height of a photo in pixels. The last one is data and it tells about the data bytes arranged in rows.
Links
wikipedia.org