GpimageRGBchange: Change image colors

Description

GpimageRGBchange modifies an image with either a formula for each color component of RGB or for all GpimageRgbfalsecolor converts an image from true color to false color and vice-versa GpimageRgbfiltercolorBlue filters an image using the blue channel GpimageRgbfiltercolorGreen filters an image using the green channel GpimageRgbfiltercolorRed filters an image using the red channel GpimageRgbfiltercolorSepia filters an image using a sepia algorithm GpimageRgbfiltercolorSepia2 filters an image using a 2nd sepia algorithm GpimageRgbgreyscaleBT709 filters an image using greyscale algorithm - BT709 GpimageRgbgreyscaleLinear filters an image using greyscale algorithm - linear GpimageRgbgreyscaleLuminosity filters an image using greyscale algorithm - luminosity GpimageRgbgreyscaleRMY filters an image using greyscale algorithm - RMY GpimageRgbgreyscaleY filters an image using greyscale algorithm - Y GpimageRgbgreyscaleavg filters an image using greyscale algorithm - average

Usage

GpimageRGBchange(fileIN, fileOUT, filetype='PNG', terminal=NULL,
	rgbformula,rgbformulaG='',rgbformulaB='')
GpimageRgbfalsecolor(fileIN, fileOUT, filetype='PNG', terminal=NULL)
GpimageRgbfiltercolorBlue(fileIN, fileOUT, filetype='PNG', terminal=NULL)
GpimageRgbfiltercolorGreen(fileIN, fileOUT, filetype='PNG', terminal=NULL)
GpimageRgbfiltercolorRed(fileIN, fileOUT, filetype='PNG', terminal=NULL)
GpimageRgbfiltercolorSepia(fileIN, fileOUT, filetype='PNG', terminal=NULL,
sepiaDepth=20,sepiaIntensity=10)
GpimageRgbfiltercolorSepia2(fileIN, fileOUT, filetype='PNG', terminal=NULL)
GpimageRgbgreyscaleBT709(fileIN, fileOUT, filetype='PNG', terminal=NULL)
GpimageRgbgreyscaleLinear(fileIN, fileOUT, filetype='PNG', terminal=NULL)
GpimageRgbgreyscaleLuminosity(fileIN, fileOUT, filetype='PNG', terminal=NULL)
GpimageRgbgreyscaleRMY(fileIN, fileOUT, filetype='PNG', terminal=NULL)
GpimageRgbgreyscaleY(fileIN, fileOUT, filetype='PNG', terminal=NULL)
GpimageRgbgreyscaleavg(fileIN, fileOUT, filetype='PNG', terminal=NULL)

Arguments

fileIN

input file name

fileOUT

output file name

filetype

image file type

terminal

terminal name

rgbformula

formula for the 3 RGB channels or for channel R

rgbformulaG

formula for for channel G

rgbformulaB

formula for for channel B

sepiaDepth

depth value for the sepia algorithm

sepiaIntensity

intensity value for the sepia algorithm

GpimageRGBchange: Change image colors

Description

Usage

Arguments

Value

See Also