image.remap.color {fsbrain} | R Documentation |
Remap a color in an image, typically used to set the background color to transparent.
Description
Offers 2 algorithm: remap color by flood-filling from a given pixel, or remap a hardcoded color throughout the entire image. Provide one of 'source_color' or 'source_point' by setting the other to NULL. If both are given, source_color takes precedence and source_point is silently ignored.
Usage
## S3 method for class 'remap.color'
image(
source_img,
source_color = NULL,
source_point = "+1+1",
target_color = "none"
)
Arguments
source_color |
the source color that should be replaced in the whole image. Set to NULL to disable. |
source_point |
the source pixel in which to start the flood filling. Set to NULL to disable. |
target_color |
an image magick color string, use 'none' for transparency. Only used with flood fill. |
[Package fsbrain version 0.5.5 Index]