10881107806

Committed 16 Sep 2024 09:29AM UTC coverage: 61.663% (-7.2%) from 68.912%

Build # 10881107806

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push

github

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web-flow

Commit Message

chore(deps): Bump DeterminateSystems/nix-installer-action from 13 to 14 (#2110)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

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78.69

/packages/svg/init.lua

local base = require("packages.base")

local package = pl.class(base)
package._name = "svg"

local svg = require("svg")
local otparser = require("core.opentype-parser")

local _drawSVG = function (svgdata, width, height, density, drop)
   local svgfigure, svgwidth, svgheight = svg.svg_to_ps(svgdata, density)
   SU.debug("svg", string.format("PS: %s\n", svgfigure))
   local scalefactor = 1
   if width and height then
      -- local aspect = svgwidth / svgheight
      SU.error("SILE cannot yet change SVG aspect ratios, specify either width or height but not both")
   elseif width then
      scalefactor = width:tonumber() / svgwidth
   elseif height then
      scalefactor = height:tonumber() / svgheight
   end
   width = SILE.types.measurement(svgwidth * scalefactor)
   height = SILE.types.measurement(svgheight * scalefactor)
   scalefactor = scalefactor * density / 72
   SILE.typesetter:pushHbox({
      value = nil,
      height = height,
      width = width,
      depth = 0,
      outputYourself = function (self, typesetter)
         SILE.outputter:drawSVG(
            svgfigure,
            typesetter.frame.state.cursorX,
            typesetter.frame.state.cursorY,
            self.width,
            drop and 0 or self.height,
            scalefactor
         )
         typesetter.frame:advanceWritingDirection(self.width)
      end,
   })
end

function package:registerRawHandlers ()
   self:registerRawHandler("svg", function (options, content)
      local svgdata = content[1]
      local width = options.width and SU.cast("measurement", options.width):absolute() or nil
      local height = options.height and SU.cast("measurement", options.height):absolute() or nil
      local density = options.density or 72
      -- See issue #1375: svg.svg_to_ps() called in _drawSVG has a apparently a side effect
      -- on the internal representation of the Lua string and corrupts it.
      -- So as a workaround, for the original string to be able to be reused, we must get a
      -- copy... So let's force some stupid comment concatenation here.
      _drawSVG("<!-- copy -->" .. svgdata, width, height, density)
   end)
end

function package:registerCommands ()
   self:registerCommand("svg", function (options, _)
      local src = SU.required(options, "src", "filename")
      src = SILE.resolveFile(src) or SU.error("Couldn't find file " .. src)
      local width = options.width and SU.cast("measurement", options.width):absolute() or nil
      local height = options.height and SU.cast("measurement", options.height):absolute() or nil
      local density = options.density or 72
      local svgfile = io.open(src)
      local svgdata = svgfile:read("*all")
      _drawSVG(svgdata, width, height, density)
   end)

   self:registerCommand("include-svg-file", function (_, _)
      SU.deprecated("\\include-svg-file", "\\svg", "0.10.10", "0.11.0")
   end, "Deprecated")

   self:registerCommand("svg-glyph", function (_, content)
      local fontoptions = SILE.font.loadDefaults({})
      local items = SILE.shaper:shapeToken(content[1], fontoptions)
      local face = SILE.shaper.getFace(fontoptions)
      otparser.parseFont(face)
      if not face.font.svg then
         return SILE.process(content)
      end
      for i = 1, #items do
         local svg_data = otparser.getSVG(face, items[i].gid)
         if svg_data then
            _drawSVG(svg_data, nil, fontoptions.size, 72, true)
         end
      end
   end)
end

package.documentation = [[
\begin{document}
This package provides two commands.

The first is \autodoc:command{\svg[src=<file>]}.
This loads and parses an SVG file and attempts to render it in the current document.
Optional \autodoc:parameter{width} or \autodoc:parameter{height} options will scale the SVG canvas to the given size calculated at a given \autodoc:parameter{density} option (which defaults to 72 ppi).
For example, the command \autodoc:command{\svg[src=packages/svg/smiley.svg,height=12pt]} produces the following:

\svg[src=packages/svg/smiley.svg,height=12pt]

The second is a more experimental \autodoc:command{\svg-glyph}.
When the current font is set to an SVG font, SILE does not currently render the SVG glyphs automatically.
This command is intended to be used as a means of eventually implementing SVG fonts; it retrieves the SVG glyph provided and renders it.

In both cases the rendering is done with our own SVG drawing library; it is currently very minimal, only handling lines, curves, strokes and fills.
For a fuller implementation, consider using a \autodoc:package{converters} registration to render your SVG file to PDF and include it on the fly.
\end{document}
]]

return package

1	local base = require("packages.base")	2✔
2
3	local package = pl.class(base)	2✔
4	package._name = "svg"	2✔
5
6	local svg = require("svg")	2✔
7	local otparser = require("core.opentype-parser")	2✔
8
9	local _drawSVG = function (svgdata, width, height, density, drop)
10	local svgfigure, svgwidth, svgheight = svg.svg_to_ps(svgdata, density)	1✔
11	SU.debug("svg", string.format("PS: %s\n", svgfigure))	1✔
12	local scalefactor = 1	1✔
13	if width and height then	1✔
14	-- local aspect = svgwidth / svgheight
15	SU.error("SILE cannot yet change SVG aspect ratios, specify either width or height but not both")	×
16	elseif width then	1✔
17	scalefactor = width:tonumber() / svgwidth	2✔
18	elseif height then	×
19	scalefactor = height:tonumber() / svgheight	×
20	end
21	width = SILE.types.measurement(svgwidth * scalefactor)	2✔
22	height = SILE.types.measurement(svgheight * scalefactor)	2✔
23	scalefactor = scalefactor * density / 72	1✔
24	SILE.typesetter:pushHbox({	2✔
25	value = nil,
26	height = height,	1✔
27	width = width,	1✔
28	depth = 0,
29	outputYourself = function (self, typesetter)
30	SILE.outputter:drawSVG(	2✔
31	svgfigure,	1✔
32	typesetter.frame.state.cursorX,	1✔
33	typesetter.frame.state.cursorY,	1✔
34	self.width,	1✔
35	drop and 0 or self.height,	1✔
36	scalefactor
37	)	1✔
38	typesetter.frame:advanceWritingDirection(self.width)	1✔
39	end,
40	})
41	end
42
43	function package:registerRawHandlers ()	2✔
44	self:registerRawHandler("svg", function (options, content)	4✔
45	local svgdata = content[1]	×
46	local width = options.width and SU.cast("measurement", options.width):absolute() or nil	×
47	local height = options.height and SU.cast("measurement", options.height):absolute() or nil	×
48	local density = options.density or 72	×
49	-- See issue #1375: svg.svg_to_ps() called in _drawSVG has a apparently a side effect
50	-- on the internal representation of the Lua string and corrupts it.
51	-- So as a workaround, for the original string to be able to be reused, we must get a
52	-- copy... So let's force some stupid comment concatenation here.
53	_drawSVG("<!-- copy -->" .. svgdata, width, height, density)	×
54	end)
55	end
56
57	function package:registerCommands ()	2✔
58	self:registerCommand("svg", function (options, _)	4✔
59	local src = SU.required(options, "src", "filename")	1✔
60	src = SILE.resolveFile(src) or SU.error("Couldn't find file " .. src)	2✔
61	local width = options.width and SU.cast("measurement", options.width):absolute() or nil	3✔
62	local height = options.height and SU.cast("measurement", options.height):absolute() or nil	1✔
63	local density = options.density or 72	1✔
64	local svgfile = io.open(src)	1✔
65	local svgdata = svgfile:read("*all")	1✔
66	_drawSVG(svgdata, width, height, density)	1✔
67	end)
68
69	self:registerCommand("include-svg-file", function (_, _)	4✔
70	SU.deprecated("\\include-svg-file", "\\svg", "0.10.10", "0.11.0")	×
71	end, "Deprecated")	2✔
72
73	self:registerCommand("svg-glyph", function (_, content)	4✔
74	local fontoptions = SILE.font.loadDefaults({})	5✔
75	local items = SILE.shaper:shapeToken(content[1], fontoptions)	5✔
76	local face = SILE.shaper.getFace(fontoptions)	5✔
77	otparser.parseFont(face)	5✔
78	if not face.font.svg then	5✔
79	return SILE.process(content)	5✔
80	end
81	for i = 1, #items do	×
82	local svg_data = otparser.getSVG(face, items[i].gid)	×
83	if svg_data then	×
84	_drawSVG(svg_data, nil, fontoptions.size, 72, true)	×
85	end
86	end
87	end)
88	end
89
90	package.documentation = [[
91	\begin{document}
92	This package provides two commands.
93
94	The first is \autodoc:command{\svg[src=<file>]}.
95	This loads and parses an SVG file and attempts to render it in the current document.
96	Optional \autodoc:parameter{width} or \autodoc:parameter{height} options will scale the SVG canvas to the given size calculated at a given \autodoc:parameter{density} option (which defaults to 72 ppi).
97	For example, the command \autodoc:command{\svg[src=packages/svg/smiley.svg,height=12pt]} produces the following:
98
99	\svg[src=packages/svg/smiley.svg,height=12pt]
100
101	The second is a more experimental \autodoc:command{\svg-glyph}.
102	When the current font is set to an SVG font, SILE does not currently render the SVG glyphs automatically.
103	This command is intended to be used as a means of eventually implementing SVG fonts; it retrieves the SVG glyph provided and renders it.
104
105	In both cases the rendering is done with our own SVG drawing library; it is currently very minimal, only handling lines, curves, strokes and fills.
106	For a fuller implementation, consider using a \autodoc:package{converters} registration to render your SVG file to PDF and include it on the fly.
107	\end{document}
108	]]	2✔
109
110	return package	2✔

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