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if not modules then modules = { } end modules ['grph-raw'] = {
version = 1.001,
comment = "companion to grph-raw.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
-- This module is for Mojca, who wanted something like this for
-- her gnuplot project. It's somewhat premliminary code but it
-- works ok for that purpose.
local tonumber = tonumber
local report_bitmap = logs.reporter("graphics","bitmaps")
local context = context
local texsp = tex.sp
function figures.bitmapimage(t)
local data = t.data
local xresolution = tonumber(t.xresolution)
local yresolution = tonumber(t.yresolution)
if data and xresolution and yresolution then
local width, height = t.width or "", t.height or ""
local n = backends.nodeinjections.injectbitmap {
xresolution = xresolution,
yresolution = yresolution,
width = width ~= "" and texsp(width) or nil,
height = height ~= "" and texsp(height) or nil,
data = data,
colorspace = t.colorspace,
}
if n then
context.hbox(n)
else
report_bitmap("format no supported by backend")
end
else
report_bitmap("invalid specification")
end
end
interfaces.implement {
name = "bitmapimage",
actions = figures.bitmapimage,
arguments = {
{
{ "data" },
{ "colorspace" },
{ "width" },
{ "height" },
{ "xresolution" },
{ "yresolution" },
}
}
}
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