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Embed fix size, first / last issue 

One more fix needed to fix wrapping-- draw_calls all need to be calculated after all string substitutions have been made.
dev
pickfifteen 2015-03-30 16:02:24 -04:00
parent 554e8457da
commit 67c834960a
1 changed files with 2 additions and 3 deletions
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5
lib/squib/graphics/text.rb
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@ -109,19 +109,18 @@ module Squib
rule = embed.rules[key]
spacing = rule[:width] * Pango::SCALE
index = clean_str.index(key)
str.sub!(key, "<span letter_spacing=\"#{spacing.to_i}\"> </span>")
str.sub!(key, "<span size=\"0\">a<span letter_spacing=\"#{spacing.to_i}\">a</span></span>")
layout.markup = str
clean_str = layout.text
rect = layout.index_to_pos(index)
iter = layout.iter
while iter.next_char! && iter.index < index; end
letter_width = iter.char_extents.width - spacing # the width of our inserted space char
case layout.alignment
when Pango::Layout::Alignment::CENTER,
Pango::Layout::Alignment::RIGHT
Squib.logger.warn "Center- or right-aligned text do not always embed properly. This is a known issue with a workaround. See https://github.com/andymeneely/squib/issues/46"
end
x = Pango.pixels(rect.x + (letter_width / 2)) + rule[:dx]
x = Pango.pixels(rect.x) + rule[:dx]
y = Pango.pixels(rect.y) + rule[:dy]
draw_calls << {x: x, y: y, draw: rule[:draw]} # defer drawing until we've valigned
end