mirror of
https://git.FreeBSD.org/ports.git
synced 2024-11-13 23:36:08 +00:00
52 lines
2.2 KiB
Plaintext
52 lines
2.2 KiB
Plaintext
|
This collection provides a complete package for manipulating and
|
||
|
converting color and black and whites images, including 24bit RGB, 8bit
|
||
|
mapped color, 8bit grayscale, and 1bit bitmapped images.
|
||
|
|
||
|
clr2gray Convert color to grayscale
|
||
|
fbcat Copy image (used for format conversion)
|
||
|
fbclean Flip isolated pixels (clean image)
|
||
|
fbconv Arbitrary convolutions
|
||
|
fbedge Compute derivative image (edge detection)
|
||
|
fbext Extract region, resize, change aspect ratio
|
||
|
fbgamma Gamma correct grayscale or color image for display
|
||
|
fbhalf Halftone grayscale image (Blue noise, Floyd-Steinberg, etc)
|
||
|
fbham Convert FBM 24bit RGB to Amiga HAM mode
|
||
|
fbhist Compute histogram
|
||
|
fbinfo Dump image header
|
||
|
fbm2pod Convert grayscale image to Diablo graphics (!)
|
||
|
fbm2tga Convert image to Targa format
|
||
|
fbm2tiff Convert FBM files to 1, 2, 4, 8, or 24 bit TIFF
|
||
|
fbmask Set region to gray value
|
||
|
fbmedian Median filter 3x3 regios
|
||
|
fbnorm Normalize image intensity / increase contrast
|
||
|
fbpalet Replace an imager's colormap with another, remove duplicates
|
||
|
fbps Convert to PostScript
|
||
|
fbquant Color quantization (24 bit to 8..256 colors) Mod. Heckbert
|
||
|
fbrot Rotate 90, 180, or 270 degrees
|
||
|
fbthin Thin 1bit images
|
||
|
fbsample Sample a 1bit file to produce an 8bit file
|
||
|
fbsharp Sharpen (edge enhancement) by digital Laplacian
|
||
|
gray2clr Add a "gray" colormap to a grayscale image
|
||
|
idiff (and udiff) convert raw byte stream into byte difference
|
||
|
pbm2ps Convert PBM file to PostScript
|
||
|
pbmtitle Add a title to a PBM file
|
||
|
raw2fbm Convert raw file to FBM format (eg: Amiga Digiview files)
|
||
|
tga2fbm Convert Targa file to FBM format
|
||
|
tiff2fbm Convert tiff file to FBM format
|
||
|
uunet2fbm Convert UseNet Facesaver file to FBM format
|
||
|
|
||
|
File Formats
|
||
|
|
||
|
FBM (-F) FBM file with 256 byte header (with title & credits)
|
||
|
Sun (-S) Sun rasterfile with 32 byte header
|
||
|
Tiff (-T) Aldus TIFF
|
||
|
PBM (-P) Poskanzer format for 1bit files
|
||
|
GIF (-G) CompuServe GIF format
|
||
|
JPG (-J) JPEG JFIF format (cf The Independent JPEG Group)
|
||
|
RLE (-R) Utah RLE format
|
||
|
IFF (-I) Amiga IFF files (except HAM mode files)
|
||
|
PCX (-Z) PC PaintBrush format for IBM
|
||
|
Face (-B) Bennet Yee's 1bit files, used at CMU
|
||
|
___________
|
||
|
From the README file
|