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*Details: File format summary

    
 

 

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Details for: X-Windows Screen Dump X11
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Go to:  Summary  |  Documentation  |  Signatures |  Compression  |  Character encoding  |  Rights  |  Reference files   Properties  
 

Signatures
External signatures File extension: xwd
File extension: xdm
Internal signatures
Name X-Windows Screen Dump X11
Description Header starts with 4-byte integers: Length (100 [+ filename length]); Version (7); Format (0 - 1-bit XYBitmap, 1 - single-plane XYPixmap, 2 - multi-plane Zpixmap); Depth (1-32); Width; Height; XOffset; Byte Order (0 - least significant byte first, 1 - most significant byte first); Unit Size (8,16,32); Bit Order (0 - least significant bit first, 1 - most significant bit first); Padding Bits (8,16,32); Bits Per Pixel (1-16,24,32); Bytes Per Line; Class (0 - static grey, 1 - grey scale, 2 - static colour, 3 - pseudocolour, 4 - true colour, 5 - direct colour).
Byte sequences
Position type Absolute from BOF
Offset 0
Byte order Big-endian
Value 000000??00000007000000(00|01|02)000000[01:20]{12}000000(00|01)000000(08|10|20)000000(00|01)000000(08|10|20)000000(01|02|03|04|05|06|07|08|09|0A|0B|0C|0D|0E|0F|10|18|20){4}000000[00:05]
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