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More useful positioning fields for lines in karaskel 

Originally committed to SVN as r1003.
This commit is contained in:
Niels Martin Hansen 2007-04-04 15:07:07 +00:00
parent 217c617a78
commit e35bb8e745
1 changed files with 50 additions and 3 deletions
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51
automation/include/karaskel.lua
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@ -54,6 +54,7 @@ function karaskel.collect_head(subs)
styles.n = styles.n + 1
styles[styles.n] = l
styles[l.name] = l
l.margin_v = l.margin_t
elseif l.class == "info" then
local k = l.key:lower()
if k == "playresx" then
@ -195,8 +196,54 @@ function karaskel.preproc_line(subs, meta, styles, line)
-- Full line sizes
line.width, line.height, line.descent, line.extlead = aegisub.text_extents(line.styleref, line.text_stripped)
-- And positioning (FIXME: assume centering for now)
line.left = (meta.res_x - line.styleref.margin_l - line.styleref.margin_r - line.width) / 2 + line.styleref.margin_l
-- Effective margins
line.margin_v = line.margin_t
line.eff_margin_l = ((line.margin_l > 0) and line.margin_l) or line.styleref.margin_l
line.eff_margin_r = ((line.margin_r > 0) and line.margin_r) or line.styleref.margin_r
line.eff_margin_t = ((line.margin_t > 0) and line.margin_t) or line.styleref.margin_t
line.eff_margin_b = ((line.margin_b > 0) and line.margin_b) or line.styleref.margin_b
line.eff_margin_v = ((line.margin_v > 0) and line.margin_v) or line.styleref.margin_v
-- And positioning
if line.styleref.align == 1 or line.styleref.align == 4 or line.styleref.align == 7 then
-- Left aligned
line.left = line.eff_margin_l
line.center = line.left + line.width / 2
line.right = line.left + line.width
line.x = line.left
elseif line.styleref.align == 2 or line.styleref.align == 5 or line.styleref.align == 8 then
-- Centered
line.left = (meta.res_x - line.eff_margin_l - line.eff_margin_r - line.width) / 2 + line.eff_margin_l
line.center = line.left + line.width / 2
line.right = line.left + line.width
line.x = line.center
elseif line.styleref.align == 3 or line.styleref.align == 6 or line.styleref.align == 9 then
-- Right aligned
line.left = meta.res_x - line.eff_margin_r - line.width
line.center = line.left + line.width / 2
line.right = line.left + line.width
line.x = line.right
end
line.hcenter = line.center
if line.styleref.align >=1 and line.styleref.align <= 3 then
-- Bottom aligned
line.bottom = meta.res_y - line.eff_margin_b
line.middle = line.bottom - line.height / 2
line.top = line.bottom - line.height
line.y = line.bottom
elseif line.styleref.align >= 4 and line.styleref.align <= 6 then
-- Mid aligned
line.top = (meta.res_y - line.eff_margin_t - line.eff_margin_b) / 2 + line.eff_margin_t
line.middle = line.top + line.height / 2
line.bottom = line.top + line.height
line.y = line.middle
elseif line.styleref.align >= 7 and line.styleref.align <= 9 then
-- Top aligned
line.top = line.eff_margin_t
line.middle = line.top + line.height / 2
line.bottom = line.top + line.height
line.y = line.top
end
line.vcenter = line.middle
-- Generate furigana style
local furistyle = table.copy(line.styleref)