Según la ayuda de autocad con los drivers HDI puedes exportar a bastantes formatos de imagen
Raster file formats supported by HDI raster output driver
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Issue
The product can export a variety of raster files using HDI raster output drivers.
Solution
The following table lists the raster formats the product can export when plotting using HDI drivers:
Driver Model Name Format Color Depth File Extension
MS-Windows BMP (Uncompressed DIB) Uncompressed BMP Bitonal, gray, indexed, RGB .BMP
TrueVision TGA 2.0 (Uncompressed) Uncompressed TGA Indexed, gray, RGB, RGBA .TGA
Z-Soft PC Paintbrush PCX (ZSOFT PACKBITS Compression) PCX - zsoft packbits Indexed, RGB .PCX
TIFF (Tag Image File Format) Uncompressed TIFF - uncompressed Bitonal, indexed, gray, RGB, RGBA .TIF
TIFF (Tag Image File Format) Compressed TIFF - Group 4 2D bitonal Compression Bitonal, indexed, gray, RGB, RGBA .TIF
CALS MIL-R-28002A Type 1 (CCITT G4 2D Compression) CALS1 - G4 2D bitonal Bitonal .CAL
Dimensional CALS Type 1 (CCITT G4 2D Compression) Dimensional CALS - G4 2D Compression Bitonal .CAL
Independent JPEG Group JFIF (JFIF JPEG Compression) JFIF 5.0 - JPEG Gray, RGB .JPG
Portable Network Graphics PNG (LZH Compression) PNG 1.0 Bitonal, gray, indexed, RGB, RGBA .PNG
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