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--[[--------------------------------------------------------------------------
lgi testsuite, Pango test suite.
Copyright (c) 2013 Pavel Holejsovsky
Licensed under the MIT license:
http://www.opensource.org/licenses/mit-license.php
--]]--------------------------------------------------------------------------
local lgi = require 'lgi'
local core = require 'lgi.core'
local check = testsuite.check
-- Pango overrides testing
local pango = testsuite.group.new('pango')
-- Test originating from https://github.com/pavouk/lgi/issues/68
function pango.glyphstring()
local Pango = lgi.Pango
local pal = Pango.AttrList.new();
pal:insert(Pango.Attribute.language_new(Pango.Language.from_string("he")))
pal:insert(Pango.Attribute.family_new("Adobe Hebrew"))
pal:insert(Pango.Attribute.size_new(12))
local fm = lgi.PangoCairo.FontMap.get_default()
local pango_context = Pango.FontMap.create_context(fm)
pango_context:set_language(Pango.Language.from_string("he"))
local s = "ltr שָׁוְא ltr"
items = Pango.itemize(pango_context, s, 0, string.len(s), pal, nil)
for i in pairs(items) do
local offset = items[i].offset
local length = items[i].length
local analysis = items[i].analysis
pgs = Pango.shape(string.sub(s,1+offset), length, analysis)
-- Pull out individual glyphs with pgs.glyphs
local glyphs = pgs.glyphs
check(type(glyphs) == 'table')
check(#glyphs > 0)
check(Pango.GlyphInfo:is_type_of(glyphs[1]))
end
end
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