Convert LaTeX to a png file — texToPng • gMOIP

Convert LaTeX to a png file

Usage

texToPng(
  tex,
  width = NULL,
  height = NULL,
  dpi = 72,
  viewPng = FALSE,
  fontsize = 12,
  calcM = FALSE,
  crop = FALSE
)

Arguments

tex: TeX string. Remember to escape backslash with \.
width: Width of the png.
height: Height of the png (width are ignored).
dpi: Dpi of the png. Not used if width or height are specified.
viewPng: View the result in the plots window.
fontsize: Front size used in the LaTeX document.
calcM: Estimate 1 em in pixels in the resulting png.
crop: Call command line program pdfcrop (must be installed).

Value

The filename of the png or a list if calcM = TRUE.

Examples

if (FALSE) { # \dontrun{
tex <- "$\\mathbb{R}_{\\geqq}$"
texToPng(tex, viewPng = TRUE)
texToPng(tex, fontsize = 20, viewPng = TRUE)
texToPng(tex, height = 50, fontsize = 10, viewPng = TRUE)
texToPng(tex, height = 50, fontsize = 50, viewPng = TRUE)
tex <- "MMM"
texToPng(tex, dpi=72, calcM = TRUE)
texToPng(tex, width = 100, calcM = TRUE)
f <- texToPng(tex, dpi=300)
pngSize(f)
} # }