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authorKarl Berry <karl@freefriends.org>2016-04-22 22:14:39 +0000
committerKarl Berry <karl@freefriends.org>2016-04-22 22:14:39 +0000
commitfc4466b32ed330a956ac603b00fd145524cff49a (patch)
tree2c50e2b8de13aa9233b2c76dffe201558f169e86 /Master/texmf-dist/tex/context/base/mkiv/grph-raw.lua
parent50e2368597d5f6fe2057195d0ae6a9f2044923e4 (diff)
context (22apr16)
git-svn-id: svn://tug.org/texlive/trunk@40691 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex/context/base/mkiv/grph-raw.lua')
-rw-r--r--Master/texmf-dist/tex/context/base/mkiv/grph-raw.lua57
1 files changed, 57 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/context/base/mkiv/grph-raw.lua b/Master/texmf-dist/tex/context/base/mkiv/grph-raw.lua
new file mode 100644
index 00000000000..62e96fcc9d7
--- /dev/null
+++ b/Master/texmf-dist/tex/context/base/mkiv/grph-raw.lua
@@ -0,0 +1,57 @@
+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" },
+ }
+ }
+}