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Draw embedded images only a single time #292

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Draw embedded images only a single time #292

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12 changes: 10 additions & 2 deletions lib/squib/graphics/text.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -87,13 +87,21 @@ def embed_images!(embed, str, layout, valign, scale)
carve = Pango::Rectangle.new(0, 0, compute_carve(rule, range) * scale, 0)
att = Pango::AttrShape.new(carve, carve, rule)
att.start_index = range.first
att.end_index = range.last
att.end_index = range.first+1
attrs.insert(att)

# Add an empty draw for all but the first characters in the key, so they
# don't appear in the output, but we only draw the actual symbol once
att_nodraw = Pango::AttrShape.new(carve, carve, "nodraw")
att_nodraw.start_index = range.first + 1
att_nodraw.end_index = range.last
attrs.insert(att_nodraw)

end
end
layout.attributes = attrs
layout.context.set_shape_renderer do |cxt, att, do_path|
unless do_path # when stroking the text
unless do_path || att.data == "nodraw" # when stroking the text
rule = att.data
x = Pango.pixels(layout.index_to_pos(att.start_index).x) +
rule[:adjust].dx[@index]
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