Command line TGA batch converter

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Command line TGA batch converter

Truevision Targa (TGA)

TGA format is a hardware-oriented bitmap supporting compression. It allows storing images with up to 32-bit color depth, is quickly read and unpacked. The following paremeters are used to adjust settings of this format:

bpp - color depth (default - 24 bpp)
rle - RLE compression (default - no)
quant - quantization levels (default - 8)
dither - dithering (default - yes)

bpp

Bpp parameters specifies the number of bits used to transfer the color of one pixel. Its allowed values are:

8 - 8 bpp (Indexed)
15 - 15 bpp (Hi color)
16 - 16 bpp (Hi color with transparency)
24 - 24 bpp (True color, RGB)
32 - 32 bpp (True color, RGBA)

The default value is: 24.

Example:

-convertto tga bpp:32

rle

Rle parameter specifies whether the resulting files will be compressed with the help of RLE algorithm. Its allowed values are:

yes - RLE compression is used.
no - RLE compression is not used.

The default value is: no.

Example:

-convertto tga rle:yes

quant

Quant parameter reduces the number of distinct colors used in an image while preserving visual image quality. Quant parameter can accept a whole number from 0 to 8.

The default value is: 8.

Example:

-convertto tga quant:4

dither

Dither is a form of noise, or 'erroneous' signal or data which is added to sample data to minimize quantization error. Dither parameter can accept two values: yes and no.

The default value is: yes.

Example:

-convertto tga dither:no

ICPCL.exe -convertto tga bpp:8 rle:yes quant:2 dither:no -source "C:\Original files" -dest "C:\Converted files"

tips

Quant parameter should only be used if bpp parameter is set to 1, 4 or 8 bpp.

Example:

ICPCL.exe -convertto tga bpp:8 quant:3 -source "C:\Original files" -dest "C:\Converted files"
Dither parameter should only be used if bpp parameter is set to 1, 4 or 8 bpp.

Example:

ICPCL.exe -convertto tga bpp:8 dither:no -source "C:\Original files" -dest "C:\Converted files"

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