Fix rare furigana layout issue. Updates #1144.

Originally committed to SVN as r4079.
This commit is contained in:
Niels Martin Hansen 2010-02-05 12:51:20 +00:00
parent 7ac273eca0
commit 8d5cde185d

View file

@ -429,12 +429,14 @@ function karaskel.do_furigana_layout(meta, styles, line)
-- And end-sentinel
table.insert(lgroups, lgsentinel)
aegisub.debug.out(5, "\nProducing layout from %d layout groups\n", #lgroups-1)
-- Layout the groups at macro-level
-- Skip sentinel at ends in loop
local curx = 0
for i = 2, #lgroups-1 do
local lg = lgroups[i]
local prev = lgroups[i-1]
aegisub.debug.out(5, "Layout group, nsyls=%d, nfuri=%d, syl1text='%s', basewidth=%f furiwidth=%f, ", #lg.syls, #lg.furi, lg.syls[1] and lg.syls[1].text or "", lg.basewidth, lg.furiwidth)
-- Three cases: No furigana, furigana smaller than base and furigana larger than base
if lg.furiwidth == 0 then
@ -443,14 +445,16 @@ function karaskel.do_furigana_layout(meta, styles, line)
lg.right = lg.left + lg.basewidth
-- If there was any spillover from a previous group, add it to here
if prev.rightspill and prev.rightspill > 0 then
aegisub.debug.out(5, "eat rightspill=%f, ", prev.rightspill)
lg.leftspill = 0
lg.rightspill = lg.basewidth - prev.rightspill
lg.rightspill = prev.rightspill - lg.basewidth
prev.rightspill = 0
end
curx = curx + lg.basewidth
elseif lg.furiwidth <= lg.basewidth then
-- If there was any rightspill from previous group, we have to stay 100% clear of that
if prev.rightspill and prev.rightspill > 0 then
aegisub.debug.out(5, "skip rightspill=%f, ", prev.rightspill)
curx = curx + prev.rightspill
prev.rightspill = 0
end
@ -463,6 +467,7 @@ function karaskel.do_furigana_layout(meta, styles, line)
else
-- Furigana is wider than base, we'll have to spill in some direction
if prev.rightspill and prev.rightspill > 0 then
aegisub.debug.out(5, "skip rightspill=%f, ", prev.rightspill)
curx = curx + prev.rightspill
prev.rightspill = 0
end
@ -471,6 +476,7 @@ function karaskel.do_furigana_layout(meta, styles, line)
-- Both directions
lg.leftspill = (lg.furiwidth - lg.basewidth) / 2
lg.rightspill = lg.leftspill
aegisub.debug.out(5, "spill left=%f right=%f, ", lg.leftspill, lg.rightspill)
-- If there was any furigana or spill on previous syllable we can't overlap it
if prev.rightspill then
lg.left = curx + lg.leftspill
@ -481,11 +487,13 @@ function karaskel.do_furigana_layout(meta, styles, line)
-- Only to the right
lg.leftspill = 0
lg.rightspill = lg.furiwidth - lg.basewidth
aegisub.debug.out(5, "spill right=%f, ", lg.rightspill)
lg.left = curx
end
lg.right = lg.left + lg.basewidth
curx = lg.right
end
aegisub.debug.out(5, "left=%f, right=%f\n", lg.left, lg.right)
end
-- Now the groups are layouted, so place the individual syllables/furigana