14335207249

Committed 08 Apr 2025 01:46PM UTC coverage: 60.462% (+0.9%) from 59.535%

Build # 14335207249

Build Type

push

github

Committed by

web-flow

Commit Message

Merge pull request #2257 from alerque/lintery

Run Details

98 of 147 new or added lines in 46 files covered. (66.67%)

1 existing line in 1 file now uncovered.

13061 of 21602 relevant lines covered (60.46%)

4611.17 hits per line

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0.0

/outputters/cairo.lua

local base = require("outputters.base")

-- This output package is deprecated and should only be used as an
-- example of how to create alternative output backends, in comparison
-- with the libtexpdf and debug backends.
local lgi = require("lgi")
local cairolgi = lgi.cairo
-- local pango = lgi.Pango
-- local fm = lgi.PangoCairo.FontMap.get_default()
-- local pango_context = lgi.Pango.FontMap.create_context(fm)
local imagesize = require("imagesize")

local cursorX = 0
local cursorY = 0

local cr
local move -- See https://github.com/pavouk/lgi/issues/48
local sgs

local outputter = pl.class(base)
outputter._name = "cairo"
outputter.extension = "pdf"

function outputter:_init ()
   base._init(self)
   local fname = self:getOutputFilename()
   local surface = cairolgi.PdfSurface.create(
      fname == "-" and "/dev/stdout" or fname,
      SILE.documentState.paperSize[1],
      SILE.documentState.paperSize[2]
   )
   cr = cairolgi.Context.create(surface)
   move = cr.move_to
   sgs = cr.show_glyph_string
end

function outputter:newPage ()
   cr:show_page()
end

function outputter:getCursor ()
   return cursorX, cursorY
end

function outputter:setCursor (x, y, relative)
   local offset = relative and { x = cursorX, y = cursorY } or { x = 0, y = 0 }
   cursorX = offset.x + x
   cursorY = offset.y - y
   move(cr, cursorX, cursorY)
end

function outputter:setColor (color)
   cr:set_source_rgb(color.r, color.g, color.b)
end

function outputter:drawHbox (value, _)
   if not value then
      return
   end
   if value.pgs then
      sgs(cr, value.font, value.pgs)
   elseif value.text then
      cr:show_text(value.text)
   end
end

function outputter:setFont (options)
   cr:select_font_face(options.font, options.style:lower() == "italic" and 1 or 0, options.weight > 100 and 0 or 1)
   cr:set_font_size(options.size)
end

function outputter:drawImage (src, x, y, width, height)
   local image = cairolgi.ImageSurface.create_from_png(src)
   if not image then
      SU.error("Could not load image " .. src)
   end
   local src_width = image:get_width()
   local src_height = image:get_height()
   if not (src_width > 0) then
      SU.error("Something went wrong loading image " .. src)
   end
   cr:save()
   cr:set_source_surface(image, 0, 0)
   local p = cr:get_source()
   local matrix, sx, sy
   if width or height then
      if width > 0 then
         sx = src_width / width
      end
      if height > 0 then
         sy = src_height / height
      end
      matrix = cairolgi.Matrix.create_scale(sx or sy, sy or sx)
   else
      matrix = cairolgi.Matrix.create_identity()
   end
   matrix:translate(-x, -y)
   p:set_matrix(matrix)
   cr:paint()
   cr:restore()
end

function outputter:getImageSize (src)
   local box_width, box_height, err = imagesize.imgsize(src)
   if not box_width then
      SU.error(err .. " loading image")
   end
   return box_width, box_height
end

function outputter:drawRule (x, y, width, depth)
   cr:rectangle(x, y, width, depth)
   cr:fill()
end

function outputter:debugFrame (frame)
   cr:set_source_rgb(0.8, 0, 0)
   cr:set_line_width(0.5)
   cr:rectangle(frame:left(), frame:top(), frame:width(), frame:height())
   cr:stroke()
   cr:move_to(frame:left() - 10, frame:top() - 2)
   cr:show_text(frame.id)
   cr:set_source_rgb(0, 0, 0)
end

function outputter:debugHbox (hbox, scaledWidth)
   cr:set_source_rgb(0.9, 0.9, 0.9)
   cr:set_line_width(0.5)
   local x, y = self:getCursor()
   cr:rectangle(x, y - hbox.height, scaledWidth, hbox.height + hbox.depth)
   if hbox.depth then
      cr:rectangle(x, y - hbox.height, scaledWidth, hbox.height)
   end
   cr:stroke()
   cr:set_source_rgb(0, 0, 0)
   cr:move_to(x, y)
end

-- untested
function outputter:drawRaw (literal)
   cr:show_text(literal)
end

return outputter

1	local base = require("outputters.base")	×
2
3	-- This output package is deprecated and should only be used as an
4	-- example of how to create alternative output backends, in comparison
5	-- with the libtexpdf and debug backends.
6	local lgi = require("lgi")	×
7	local cairolgi = lgi.cairo	×
8	-- local pango = lgi.Pango
9	-- local fm = lgi.PangoCairo.FontMap.get_default()
10	-- local pango_context = lgi.Pango.FontMap.create_context(fm)
11	local imagesize = require("imagesize")	×
12
13	local cursorX = 0	×
14	local cursorY = 0	×
15
16	local cr
17	local move -- See https://github.com/pavouk/lgi/issues/48
18	local sgs
19
20	local outputter = pl.class(base)	×
21	outputter._name = "cairo"	×
22	outputter.extension = "pdf"	×
23
24	function outputter:_init ()	×
25	base._init(self)	×
26	local fname = self:getOutputFilename()	×
27	local surface = cairolgi.PdfSurface.create(	×
28	fname == "-" and "/dev/stdout" or fname,
29	SILE.documentState.paperSize[1],	×
30	SILE.documentState.paperSize[2]	×
31	)
32	cr = cairolgi.Context.create(surface)	×
33	move = cr.move_to	×
34	sgs = cr.show_glyph_string	×
35	end
36
NEW 37	function outputter:newPage ()	×
38	cr:show_page()	×
39	end
40
NEW 41	function outputter:getCursor ()	×
42	return cursorX, cursorY	×
43	end
44
NEW 45	function outputter:setCursor (x, y, relative)	×
46	local offset = relative and { x = cursorX, y = cursorY } or { x = 0, y = 0 }	×
47	cursorX = offset.x + x	×
48	cursorY = offset.y - y	×
49	move(cr, cursorX, cursorY)	×
50	end
51
NEW 52	function outputter:setColor (color)	×
53	cr:set_source_rgb(color.r, color.g, color.b)	×
54	end
55
NEW 56	function outputter:drawHbox (value, _)	×
57	if not value then	×
58	return	×
59	end
60	if value.pgs then	×
61	sgs(cr, value.font, value.pgs)	×
62	elseif value.text then	×
63	cr:show_text(value.text)	×
64	end
65	end
66
NEW 67	function outputter:setFont (options)	×
68	cr:select_font_face(options.font, options.style:lower() == "italic" and 1 or 0, options.weight > 100 and 0 or 1)	×
69	cr:set_font_size(options.size)	×
70	end
71
NEW 72	function outputter:drawImage (src, x, y, width, height)	×
73	local image = cairolgi.ImageSurface.create_from_png(src)	×
74	if not image then	×
75	SU.error("Could not load image " .. src)	×
76	end
77	local src_width = image:get_width()	×
78	local src_height = image:get_height()	×
79	if not (src_width > 0) then	×
80	SU.error("Something went wrong loading image " .. src)	×
81	end
82	cr:save()	×
83	cr:set_source_surface(image, 0, 0)	×
84	local p = cr:get_source()	×
85	local matrix, sx, sy
86	if width or height then	×
87	if width > 0 then	×
88	sx = src_width / width	×
89	end
90	if height > 0 then	×
91	sy = src_height / height	×
92	end
93	matrix = cairolgi.Matrix.create_scale(sx or sy, sy or sx)	×
94	else
95	matrix = cairolgi.Matrix.create_identity()	×
96	end
97	matrix:translate(-x, -y)	×
98	p:set_matrix(matrix)	×
99	cr:paint()	×
100	cr:restore()	×
101	end
102
NEW 103	function outputter:getImageSize (src)	×
104	local box_width, box_height, err = imagesize.imgsize(src)	×
105	if not box_width then	×
106	SU.error(err .. " loading image")	×
107	end
108	return box_width, box_height	×
109	end
110
NEW 111	function outputter:drawRule (x, y, width, depth)	×
112	cr:rectangle(x, y, width, depth)	×
113	cr:fill()	×
114	end
115
NEW 116	function outputter:debugFrame (frame)	×
117	cr:set_source_rgb(0.8, 0, 0)	×
118	cr:set_line_width(0.5)	×
119	cr:rectangle(frame:left(), frame:top(), frame:width(), frame:height())	×
120	cr:stroke()	×
121	cr:move_to(frame:left() - 10, frame:top() - 2)	×
122	cr:show_text(frame.id)	×
123	cr:set_source_rgb(0, 0, 0)	×
124	end
125
126	function outputter:debugHbox (hbox, scaledWidth)	×
127	cr:set_source_rgb(0.9, 0.9, 0.9)	×
128	cr:set_line_width(0.5)	×
129	local x, y = self:getCursor()	×
130	cr:rectangle(x, y - hbox.height, scaledWidth, hbox.height + hbox.depth)	×
131	if hbox.depth then	×
132	cr:rectangle(x, y - hbox.height, scaledWidth, hbox.height)	×
133	end
134	cr:stroke()	×
135	cr:set_source_rgb(0, 0, 0)	×
136	cr:move_to(x, y)	×
137	end
138
139	-- untested
NEW 140	function outputter:drawRaw (literal)	×
141	cr:show_text(literal)	×
142	end
143
144	return outputter	×

sile-typesetter / sile / 14335207249

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