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- Use: ChangeFSI <in file> <out file> <mode>[cdtp] [<n>:<n> [<n>:<n>]] [options]
- Changes source picture to output sprite in specified mode, with suffix:
- c
- 1 bit modes: use clustered dithering with 4x4 cell
- 2 bit modes: use the four colours "black", "cyan", "magenta" and "yellow"
- d
- 1 bit modes: use clustered dithering with 2x2 cell
- 4 bit modes: use 1 bit red, 1 bit green, 1 bit blue
- 8 bit modes: 256 level grey scale
- t
- 1 bit modes: use clustered dithering with 3x3 cell
- 4 bit modes: 16 level grey scale
- r
- 2 bit modes: Roger Wilson's (me) colour matching algorithm
- 4 bit modes: Roger Wilson's (me) colour matching algorithm
- 8 bit modes: Roger Wilson's (me) colour matching algorithm
- -no suffix-
- 1 bit modes: b/w dispersed dot dithering
- 2 bit modes: 4 level grey scale
- 4 bit modes: 8 level grey scale
- 8 bit modes: John Bowler's colour matching algorithm
- (defaults to 'r' mode if not VIDC1 compatible)
- (see FSIinfo for more information on suffix)
- The pixel size is corrected for and the default is output of the same size as
- the input. Size ratios are output:input or = for scale to output size.
- Mode 'AIM' writes an AIM format output file.
- Mode 'p15' writes a p15 file.
- Modes 'p1' to 'p6' write PBM files.
- -equal performs histogram equalisation.
- -hflip, -vflip present the picture left/right reversed / upside down.
- -rotate +90 degree rotation of the image.
- -rotate- -90 degree rotation of the image.
- -info gives details of the source image.
- -invert inverts the colour range of the input image.
- -noscale disables automatic pixel size correction.
- -nosize disables automatic pixel size correction for input pixels only.
- -range expands the input's dynamic range to full scale.
- -sharpen digitally sharpens the picture, -sharpen<n> overrides the default
- of 24: range 8(harsh)-31(soft).
- -brighten brightens the entire image (caution: may saturate hues to white)
- -gamma applies gamma correction, -gamma<n> overrides the default of 2.2
- -nodither prevents the error diffusion dithering.
- -black corrects for black inked spots larger than square pixels, -black<n>
- overrides the default of 32: range 0(not at all)-128(harsh)
- -red<r>, -green<r>, -blue<r> allow the red, green, blue weights for monochrome
- luminance to be changed from their CIE defaults of 0.299, 0.587, 0.114.
- -max<n> maximum size of output image before output to disc.
- Modes S16 and S32 write 16 and 32 bit per pixel sprites, with X and Y pixels
- per inch specified as comma seperated values (e.g. S16,90,90)
-