Package 'kwb.iview'

Append Images Horizontally or Vertically

Description

Append Images Horizontally or Vertically

Usage

appendImages(
  files,
  direction,
  file,
  run = TRUE,
  irfanViewExe = defaultIrfanViewExe()
)

Arguments

files	paths to image files to be appended
direction	1 = horizontally, 2 = vertically
file	name of output file
run	logical. If TRUE (default) the append action is performed, otherwise the command line doing the append action is returned
irfanViewExe	path to IrfanView Executable file

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Convert Image to Format

Description

Convert Image to Format

Usage

convertToFormat(
  imagepath,
  format,
  outputdir = dirname(imagepath),
  wait = TRUE,
  irfanViewExe = defaultIrfanViewExe()
)

Arguments

imagepath	full path to image file to be converted
format	file extension of target format (without ".", e.g. "jpg", "bmp", ...)
outputdir	output directory where converted image is to be saved. Per default the file is created in the directory of imagepath
wait	passed to shell
irfanViewExe	path to IrfanView Executable

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Use IrfanView to Crop the Image and Set Borders

Description

Use IrfanView to Crop the Image and Set Borders

Usage

cropImageAndSetBorders(
  inputdir,
  outputdir,
  irfanViewExe = defaultIrfanViewExe(),
  crop = c(left = 0, top = 0, width = -1, height = -1),
  border = c(left = 0, right = 0, top = 0, bottom = 0),
  canvasColor = 255,
  useIni = TRUE,
  wait = FALSE,
  inputPattern = "*.gif"
)

Arguments

inputdir	full input path including file name or pattern, e.g. "*.png", "*.gif"
outputdir	full output path including file name or pattern, e.g. "*.pgm"
irfanViewExe	path to IrfanView Executable File
crop	vector of four integers (left, top, width, height): optional coordinates for cropping. If crop["left"] != -1 the image will be cropped, otherwise not.
border	vector of four integers (left, right, top, bottom)
canvasColor	passed to kwb.iview:::writeIniFile
useIni	logical. If TRUE (default) an INI file is written and IrfanView is called with the /ini option on the command line
wait	passed to shell.
inputPattern	file name pattern matching the files in inputdir to be processed

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Default Path to the IrfanView Executable File

Description

Default Path to the IrfanView Executable File

Usage

defaultIrfanViewExe()

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Content for INI File Specifying Crop Action

Description

Content for INI File Specifying Crop Action

Usage

iniContentCrop(
  crop = c(left = 0, top = 0, width = -1, height = -1),
  border = c(left = 0, right = 0, top = 0, bottom = 0),
  canvasColor = 255
)

Arguments

crop	integer vector with elements named left, top, width, height
border	integer vector with elements named left, right, top, bottom
canvasColor	value used in IrvanView [Effects] option CanvColor

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Assignement to be Used in INI File

Description

Assignement to be Used in INI File

Usage

iniFileAssignment(optname, optvalue)

Arguments

optname	name of option
optvalue	value of option

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Write INI File and Return Option String

Description

Write INI File and Return Option String

Usage

writeIniFile(outputdir, crop, border, canvasColor, filename = "i_view32.ini")

Arguments

outputdir	output directory
crop	passed to kwb.iview:::iniContentCrop
border	passed to kwb.iview:::iniContentCrop
canvasColor	passed to kwb.iview:::iniContentCrop
filename	name of INI file

Value

option string required to tell IrfanView to use the INI file

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