IM: TGA - Truevision Graphics Adapter File

IM - An Imaging Tool

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TGA - Truevision Graphics Adapter File
[File Formats]

Description

Truevision TGA File Format Specification Version 2.0
Technical Manual Version 2.2 January, 1991
Copyright 1989, 1990, 1991 Truevision, Inc.
Internal Implementation.

Features

    Supports 8 bits per component only. Data type is always Byte.
    Color Spaces: Gray, RGB and MAP (Binary saved as Gray)
    Compressions: 
      NONE - no compression [default]
      RLE  - Run Lenght Encoding
    Only one image.
    No alpha channel.
    Internally the components are always packed.
    Internally the lines are arranged from bottom up to top or from top down to bottom.
    Handle() returns imBinFile* pointer.
 
    Attributes:
      XScreen, YScreen IM_USHORT (1) screen position
      Title, Author, Description, JobName, Software (string)
      SoftwareVersion (read only) (string)
      DateTimeModified (string) [when writing uses the current system time]
      Gamma IM_FLOAT (1)


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