Fixed some Lua 5.0/5.1 compatibility problems in includes
Originally committed to SVN as r1161.
This commit is contained in:
Niels Martin Hansen
parent
480e7706a1
commit
73288ed43f
4 changed files with 566 additions and 508 deletions
310
automation/include/karaskel-auto4.lua
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310
automation/include/karaskel-auto4.lua
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@ -0,0 +1,310 @@
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--[[
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Copyright (c) 2007, Niels Martin Hansen, Rodrigo Braz Monteiro
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of the Aegisub Group nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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]]
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include("utils.lua")
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include("unicode.lua")
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-- Make sure karaskel table exists
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if not karaskel then
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karaskel = {}
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end
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-- Collect styles and metadata from the subs
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function karaskel.collect_head(subs, generate_furigana)
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local meta = { res_x = 0, res_y = 0 }
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local styles = { n = 0 }
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if not karaskel.furigana_scale then
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karaskel.furigana_scale = 0.5
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end
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local i = 1
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while i < #subs do
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local l = subs[i]
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if l.class == "style" then
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-- Store styles into the style table
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styles.n = styles.n + 1
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styles[styles.n] = l
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styles[l.name] = l
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l.margin_v = l.margin_t
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-- And also generate furigana styles if wanted
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if generate_furigana and not l.name:match("furigana") then
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local fs = table.copy(l)
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fs.fontsize = l.fontsize * karaskel.furigana_scale
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fs.outline = l.outline * karaskel.furigana_scale
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fs.shadow = l.shadow * karaskel.furigana_scale
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fs.name = l.name .. "-furigana"
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styles.n = styles.n + 1
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styles[styles.n] = fs
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styles[fs.name] = fs
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end
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elseif l.class == "info" then
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-- Also look for script resolution
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local k = l.key:lower()
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if k == "playresx" then
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meta.res_x = math.floor(l.value)
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elseif k == "playresy" then
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meta.res_y = math.floor(l.value)
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end
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end
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end
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-- Fix missing resolution data
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if meta.res_x == 0 and meta_res_y == 0 then
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meta.res_x = 384
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meta.res_y = 288
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elseif meta.res_x == 0 then
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-- This is braindead, but it's how TextSub does things...
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if meta.res_y == 1024 then
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meta.res_x = 1280
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else
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meta.res_x = meta.res_y / 3 * 4
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end
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elseif meta.res_y == 0 then
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-- As if 1280x960 didn't exist
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if meta.res_x == 1280 then
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meta.res_y = 1024
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else
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meta.res_y = meta.res_x * 3 / 4
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end
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end
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return meta, styles
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end
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-- Pre-process line, determining stripped text, karaoke data and splitting off furigana data
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-- Modifies the object passed for line
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function karaskel.preproc_line_text(meta, styles, line)
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-- Assume line is class=dialogue
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local kara = aegisub.parse_karaoke_data(line)
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line.kara = { n = 0 }
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line.furi = { n = 0 }
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line.text_stripped = ""
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line.duration = line.end_time - line.start_time
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local worksyl = { }
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local cur_inline_fx = ""
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for i = 0, #kara do
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local syl = kara[i]
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-- Detect any inline-fx tags
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local inline_fx = syl.text:match("%{.*\\%-(.-)[}\\]")
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if inline_fx then
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cur_inline_fx = inline_fx
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end
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end
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end
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-- Pre-calculate positioning information for the given line, also layouting furigana text if needed
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-- Modifies the object passed for line
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function karaskel.preproc_line_pos(meta, styles, line)
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end
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-- Precalc some info on a line
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-- Modifies the line parameter
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function karaskel.preproc_line(subs, meta, styles, line)
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-- Assume line is class=dialogue
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local kara = aegisub.parse_karaoke_data(line)
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line.kara = { n = 0 }
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line.furi = { n = 0 }
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if styles[line.style] then
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line.styleref = styles[line.style]
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else
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aegisub.debug.out(2, "WARNING: Style not found: " .. line.style .. "\n")
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line.styleref = styles[1]
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end
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line.text_stripped = ""
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line.duration = line.end_time - line.start_time
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local curx = 0
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local worksyl = { }
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for i = 0, #kara do
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local syl = kara[i]
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-- Spaces at the start and end of the syllable are best ignored
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local prespace, syltext, postspace = syl.text_stripped:match("^([ \t]*)(.-)([ \t]*)$")
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local prefix = syltext:sub(1,unicode.charwidth(syltext,1))
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if prefix ~= "#" and prefix ~= "＃" and i > 0 then
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line.kara[line.kara.n] = worksyl
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line.kara.n = line.kara.n + 1
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worksyl = { }
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end
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-- Check if there is a chance of furigana
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-- FIXME: multi-highlights aren't being generated, are they? At least not with syllables with a lone # in
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if syltext:find("|") or syltext:find("｜") then
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syltext = syltext:gsub("｜", "|")
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local maintext, furitext = syl:match("^(.-)|(.-)$")
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syltext = maintext
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local furi = { }
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furi.syl = worksyl
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local prefix = furitext:sub(1,unicode.charwidth(furitext,1))
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if prefix == "!" or prefix == "！" then
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furi.isbreak = true
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furi.spillback = false
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elseif prefix == "<" or prefix == "＜" then
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furi.isbreak = true
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furi.spillback = true
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else
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furi.isbreak = false
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furi.spillback = false
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end
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if furi.isbreak then
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furitext = furitext:sub(unicode.charwidth(furitext,1)+1)
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end
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furi.start_time = syl.start_time
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furi.end_time = syl.end_time
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furi.duration = syl.duration
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furi.text = furitext
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line.furi.n = line.furi.n + 1
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line.furi[line.furi.n] = furi
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end
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-- If this is the start of a highlight group, do regular processing
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if prefix ~= "#" and prefix ~= "＃" then
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-- Update stripped line-text
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line.text_stripped = line.text_stripped .. syl.text_stripped
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-- Copy data from syl to worksyl
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worksyl.text = syl.text
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worksyl.duration = syl.duration
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worksyl.kdur = syl.duration / 10
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worksyl.start_time = syl.start_time
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worksyl.end_time = syl.end_time
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worksyl.tag = syl.tag
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worksyl.line = line
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worksyl.style = line.styleref
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-- And add new data to worksyl
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worksyl.i = line.kara.n
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worksyl.text_stripped = syltext
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worksyl.width = aegisub.text_extents(line.styleref, syltext)
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curx = curx + aegisub.text_extents(line.styleref, prespace)
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worksyl.left = curx
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worksyl.center = curx + worksyl.width/2
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worksyl.right = curx + worksyl.width
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curx = curx + worksyl.width + aegisub.text_extents(line.styleref, postspace)
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-- TODO: inlinefx here
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end
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-- And in either case, add highlight data
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local hl = {
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start_time = worksyl.start_time,
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end_time = worksyl.end_time,
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duration = worksyl.duration
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}
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worksyl.highlights = { n = 1, [1] = hl }
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end
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-- Add last syllable
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line.kara[line.kara.n] = worksyl
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-- Full line sizes
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line.width, line.height, line.descent, line.extlead = aegisub.text_extents(line.styleref, line.text_stripped)
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-- Effective margins
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line.margin_v = line.margin_t
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line.eff_margin_l = ((line.margin_l > 0) and line.margin_l) or line.styleref.margin_l
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line.eff_margin_r = ((line.margin_r > 0) and line.margin_r) or line.styleref.margin_r
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line.eff_margin_t = ((line.margin_t > 0) and line.margin_t) or line.styleref.margin_t
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line.eff_margin_b = ((line.margin_b > 0) and line.margin_b) or line.styleref.margin_b
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line.eff_margin_v = ((line.margin_v > 0) and line.margin_v) or line.styleref.margin_v
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-- And positioning
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if line.styleref.align == 1 or line.styleref.align == 4 or line.styleref.align == 7 then
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-- Left aligned
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line.left = line.eff_margin_l
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line.center = line.left + line.width / 2
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line.right = line.left + line.width
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line.x = line.left
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line.halign = "left"
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elseif line.styleref.align == 2 or line.styleref.align == 5 or line.styleref.align == 8 then
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-- Centered
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line.left = (meta.res_x - line.eff_margin_l - line.eff_margin_r - line.width) / 2 + line.eff_margin_l
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line.center = line.left + line.width / 2
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line.right = line.left + line.width
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line.x = line.center
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line.halign = "center"
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elseif line.styleref.align == 3 or line.styleref.align == 6 or line.styleref.align == 9 then
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-- Right aligned
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line.left = meta.res_x - line.eff_margin_r - line.width
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line.center = line.left + line.width / 2
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line.right = line.left + line.width
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line.x = line.right
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line.halign = "right"
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end
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line.hcenter = line.center
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if line.styleref.align >=1 and line.styleref.align <= 3 then
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-- Bottom aligned
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line.bottom = meta.res_y - line.eff_margin_b
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line.middle = line.bottom - line.height / 2
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line.top = line.bottom - line.height
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line.y = line.bottom
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line.valign = "bottom"
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elseif line.styleref.align >= 4 and line.styleref.align <= 6 then
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-- Mid aligned
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line.top = (meta.res_y - line.eff_margin_t - line.eff_margin_b) / 2 + line.eff_margin_t
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line.middle = line.top + line.height / 2
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line.bottom = line.top + line.height
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line.y = line.middle
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line.valign = "middle"
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elseif line.styleref.align >= 7 and line.styleref.align <= 9 then
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-- Top aligned
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line.top = line.eff_margin_t
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line.middle = line.top + line.height / 2
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line.bottom = line.top + line.height
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line.y = line.top
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line.valign = "top"
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end
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line.vcenter = line.middle
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-- Generate furigana style
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local furistyle = table.copy(line.styleref)
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furistyle.fontsize = furistyle.fontsize / 2
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furistyle.outline = furistyle.outline / 2
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-- Layout furigana
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for i = 1, line.furi.n do
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end
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end
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@ -27,292 +27,10 @@
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POSSIBILITY OF SUCH DAMAGE.
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]]
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-- Aegisub Automation 4 Lua karaoke skeleton
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-- Compatibility hatch
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-- Include the right file, depending on Automation version
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-- The Auto4 version has to be in a separate include to avoid parser problems with Lua 5.0
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if aegisub.lua_automation_version < 4 then
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include("karaskel.auto3")
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return
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end
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include("utils.lua")
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include("unicode.lua")
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-- Make sure karaskel table exists
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if not karaskel then
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karaskel = {}
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end
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-- Collect styles and metadata from the subs
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function karaskel.collect_head(subs, generate_furigana)
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local meta = { res_x = 0, res_y = 0 }
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local styles = { n = 0 }
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if not karaskel.furigana_scale then
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karaskel.furigana_scale = 0.5
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end
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local i = 1
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while i < #subs do
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local l = subs[i]
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if l.class == "style" then
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-- Store styles into the style table
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styles.n = styles.n + 1
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styles[styles.n] = l
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styles[l.name] = l
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l.margin_v = l.margin_t
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-- And also generate furigana styles if wanted
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if generate_furigana and not l.name:match("furigana") then
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local fs = table.copy(l)
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fs.fontsize = l.fontsize * karaskel.furigana_scale
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fs.outline = l.outline * karaskel.furigana_scale
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fs.shadow = l.shadow * karaskel.furigana_scale
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fs.name = l.name .. "-furigana"
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styles.n = styles.n + 1
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styles[styles.n] = fs
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styles[fs.name] = fs
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end
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elseif l.class == "info" then
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-- Also look for script resolution
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local k = l.key:lower()
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if k == "playresx" then
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meta.res_x = math.floor(l.value)
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elseif k == "playresy" then
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meta.res_y = math.floor(l.value)
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end
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end
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end
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-- Fix missing resolution data
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if meta.res_x == 0 and meta_res_y == 0 then
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meta.res_x = 384
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meta.res_y = 288
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elseif meta.res_x == 0 then
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-- This is braindead, but it's how TextSub does things...
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if meta.res_y == 1024 then
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meta.res_x = 1280
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include "karaskel.auto3"
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else
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meta.res_x = meta.res_y / 3 * 4
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end
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elseif meta.res_y == 0 then
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-- As if 1280x960 didn't exist
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if meta.res_x == 1280 then
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meta.res_y = 1024
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else
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meta.res_y = meta.res_x * 3 / 4
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end
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end
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return meta, styles
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end
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-- Pre-process line, determining stripped text, karaoke data and splitting off furigana data
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-- Modifies the object passed for line
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function karaskel.preproc_line_text(meta, styles, line)
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-- Assume line is class=dialogue
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local kara = aegisub.parse_karaoke_data(line)
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line.kara = { n = 0 }
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line.furi = { n = 0 }
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line.text_stripped = ""
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line.duration = line.end_time - line.start_time
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local worksyl = { }
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local cur_inline_fx = ""
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for i = 0, #kara do
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local syl = kara[i]
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-- Detect any inline-fx tags
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local inline_fx = syl.text:match("%{.*\\%-(.-)[}\\]")
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if inline_fx then
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cur_inline_fx = inline_fx
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end
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end
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end
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-- Pre-calculate positioning information for the given line, also layouting furigana text if needed
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-- Modifies the object passed for line
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function karaskel.preproc_line_pos(meta, styles, line)
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end
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-- Precalc some info on a line
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-- Modifies the line parameter
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function karaskel.preproc_line(subs, meta, styles, line)
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-- Assume line is class=dialogue
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local kara = aegisub.parse_karaoke_data(line)
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line.kara = { n = 0 }
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line.furi = { n = 0 }
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if styles[line.style] then
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line.styleref = styles[line.style]
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else
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aegisub.debug.out(2, "WARNING: Style not found: " .. line.style .. "\n")
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line.styleref = styles[1]
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end
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line.text_stripped = ""
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line.duration = line.end_time - line.start_time
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local curx = 0
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local worksyl = { }
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for i = 0, #kara do
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local syl = kara[i]
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-- Spaces at the start and end of the syllable are best ignored
|
||||
local prespace, syltext, postspace = syl.text_stripped:match("^([ \t]*)(.-)([ \t]*)$")
|
||||
|
||||
local prefix = syltext:sub(1,unicode.charwidth(syltext,1))
|
||||
if prefix ~= "#" and prefix ~= "＃" and i > 0 then
|
||||
line.kara[line.kara.n] = worksyl
|
||||
line.kara.n = line.kara.n + 1
|
||||
worksyl = { }
|
||||
end
|
||||
|
||||
-- Check if there is a chance of furigana
|
||||
-- FIXME: multi-highlights aren't being generated, are they? At least not with syllables with a lone # in
|
||||
if syltext:find("|") or syltext:find("｜") then
|
||||
syltext = syltext:gsub("｜", "|")
|
||||
local maintext, furitext = syl:match("^(.-)|(.-)$")
|
||||
syltext = maintext
|
||||
|
||||
local furi = { }
|
||||
furi.syl = worksyl
|
||||
|
||||
local prefix = furitext:sub(1,unicode.charwidth(furitext,1))
|
||||
if prefix == "!" or prefix == "！" then
|
||||
furi.isbreak = true
|
||||
furi.spillback = false
|
||||
elseif prefix == "<" or prefix == "＜" then
|
||||
furi.isbreak = true
|
||||
furi.spillback = true
|
||||
else
|
||||
furi.isbreak = false
|
||||
furi.spillback = false
|
||||
end
|
||||
if furi.isbreak then
|
||||
furitext = furitext:sub(unicode.charwidth(furitext,1)+1)
|
||||
end
|
||||
|
||||
furi.start_time = syl.start_time
|
||||
furi.end_time = syl.end_time
|
||||
furi.duration = syl.duration
|
||||
furi.text = furitext
|
||||
|
||||
line.furi.n = line.furi.n + 1
|
||||
line.furi[line.furi.n] = furi
|
||||
end
|
||||
|
||||
-- If this is the start of a highlight group, do regular processing
|
||||
if prefix ~= "#" and prefix ~= "＃" then
|
||||
-- Update stripped line-text
|
||||
line.text_stripped = line.text_stripped .. syl.text_stripped
|
||||
|
||||
-- Copy data from syl to worksyl
|
||||
worksyl.text = syl.text
|
||||
worksyl.duration = syl.duration
|
||||
worksyl.kdur = syl.duration / 10
|
||||
worksyl.start_time = syl.start_time
|
||||
worksyl.end_time = syl.end_time
|
||||
worksyl.tag = syl.tag
|
||||
worksyl.line = line
|
||||
worksyl.style = line.styleref
|
||||
|
||||
-- And add new data to worksyl
|
||||
worksyl.i = line.kara.n
|
||||
worksyl.text_stripped = syltext
|
||||
worksyl.width = aegisub.text_extents(line.styleref, syltext)
|
||||
curx = curx + aegisub.text_extents(line.styleref, prespace)
|
||||
worksyl.left = curx
|
||||
worksyl.center = curx + worksyl.width/2
|
||||
worksyl.right = curx + worksyl.width
|
||||
curx = curx + worksyl.width + aegisub.text_extents(line.styleref, postspace)
|
||||
|
||||
-- TODO: inlinefx here
|
||||
end
|
||||
|
||||
-- And in either case, add highlight data
|
||||
local hl = {
|
||||
start_time = worksyl.start_time,
|
||||
end_time = worksyl.end_time,
|
||||
duration = worksyl.duration
|
||||
}
|
||||
worksyl.highlights = { n = 1, [1] = hl }
|
||||
end
|
||||
|
||||
-- Add last syllable
|
||||
line.kara[line.kara.n] = worksyl
|
||||
|
||||
-- Full line sizes
|
||||
line.width, line.height, line.descent, line.extlead = aegisub.text_extents(line.styleref, line.text_stripped)
|
||||
-- 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
|
||||
line.halign = "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
|
||||
line.halign = "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
|
||||
line.halign = "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
|
||||
line.valign = "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
|
||||
line.valign = "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
|
||||
line.valign = "top"
|
||||
end
|
||||
line.vcenter = line.middle
|
||||
|
||||
-- Generate furigana style
|
||||
local furistyle = table.copy(line.styleref)
|
||||
furistyle.fontsize = furistyle.fontsize / 2
|
||||
furistyle.outline = furistyle.outline / 2
|
||||
|
||||
-- Layout furigana
|
||||
for i = 1, line.furi.n do
|
||||
end
|
||||
include "karaskel-auto4.lua"
|
||||
end
|
||||
|
|
|
|||
247
automation/include/utils-auto4.lua
Normal file
247
automation/include/utils-auto4.lua
Normal file
|
|
@ -0,0 +1,247 @@
|
|||
--[[
|
||||
Copyright (c) 2005-2006, Niels Martin Hansen, Rodrigo Braz Monteiro
|
||||
All rights reserved.
|
||||
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions are met:
|
||||
|
||||
* Redistributions of source code must retain the above copyright notice,
|
||||
this list of conditions and the following disclaimer.
|
||||
* Redistributions in binary form must reproduce the above copyright notice,
|
||||
this list of conditions and the following disclaimer in the documentation
|
||||
and/or other materials provided with the distribution.
|
||||
* Neither the name of the Aegisub Group nor the names of its contributors
|
||||
may be used to endorse or promote products derived from this software
|
||||
without specific prior written permission.
|
||||
|
||||
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
||||
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
POSSIBILITY OF SUCH DAMAGE.
|
||||
]]
|
||||
|
||||
-- Make a shallow copy of a table
|
||||
function table.copy(oldtab)
|
||||
local newtab = {}
|
||||
for key, val in pairs(oldtab) do
|
||||
newtab[key] = val
|
||||
end
|
||||
return newtab
|
||||
end
|
||||
-- Compability
|
||||
copy_line = table.copy
|
||||
|
||||
-- Make a deep copy of a table
|
||||
-- This will do infinite recursion if there's any circular references. (Eg. if you try to copy _G)
|
||||
function table.copy_deep(srctab)
|
||||
-- Table to hold subtables already copied, to avoid circular references causing infinite recursion
|
||||
local circular = {}
|
||||
local function do_copy(oldtab)
|
||||
local newtab = {}
|
||||
for key, val in pairs(newtab) do
|
||||
if type(val) == "table" then
|
||||
if not circular[val] then
|
||||
circular[val] = do_copy(val)
|
||||
end
|
||||
newtab[key] = circular[val]
|
||||
else
|
||||
newtab[key] = val
|
||||
end
|
||||
end
|
||||
end
|
||||
return do_copy(srctab)
|
||||
end
|
||||
|
||||
-- Generates ASS hexadecimal string from R,G,B integer components, in &HBBGGRR& format
|
||||
function ass_color(r,g,b)
|
||||
return string.format("&H%02X%02X%02X&",b,g,r)
|
||||
end
|
||||
-- Format an alpha-string for \Xa style overrides
|
||||
function ass_alpha(a)
|
||||
return string.format("&H%02X&", a)
|
||||
end
|
||||
-- Format an ABGR string for use in style definitions (these don't end with & either)
|
||||
function ass_style_color(r,g,b,a)
|
||||
return string.format("&H%02X%02X%02X%02X",a,b,g,r)
|
||||
end
|
||||
|
||||
-- Extract colour components of an ASS colour
|
||||
function extract_color(s)
|
||||
local a, b, g, r
|
||||
|
||||
-- Try a style first
|
||||
a, b, g, r = s:match("&H(%x%x)(%x%x)(%x%x)(%x%x)")
|
||||
if a then
|
||||
return tonumber(r, 16), tonumber(g, 16), tonumber(b, 16), tonumber(a, 16)
|
||||
end
|
||||
|
||||
-- Then a colour override
|
||||
b, g, r = s:match("&H(%x%x)(%x%x)(%x%x)&")
|
||||
if b then
|
||||
return tonumber(r, 16), tonumber(g, 16), tonumber(b, 16), 0
|
||||
end
|
||||
|
||||
-- Then an alpha override
|
||||
a = s:match("&H(%x%x)&")
|
||||
if a then
|
||||
return 0, 0, 0, tonumber(a, 16)
|
||||
end
|
||||
|
||||
-- Ok how about HTML format then?
|
||||
r, g, b, a = s:match("#(%x%x)(%x%x)?(%x%x)?(%x%x)?")
|
||||
if r then
|
||||
return tonumber(r or 0, 16), tonumber(g or 0, 16), tonumber(b or 0, 16), tonumber(a or 0, 16)
|
||||
end
|
||||
|
||||
-- Failed...
|
||||
return nil
|
||||
end
|
||||
|
||||
-- Create an alpha override code from a style definition colour code
|
||||
function alpha_from_style(scolor)
|
||||
local r, g, b, a = extract_color(scolor)
|
||||
return ass_alpha(a)
|
||||
end
|
||||
|
||||
-- Create an colour override code from a style definition colour code
|
||||
function color_from_style(scolor)
|
||||
local r, g, b = extract_color(scolor)
|
||||
return ass_color(r, g, b)
|
||||
end
|
||||
|
||||
-- Converts HSV (Hue, Saturation, Value) to RGB
|
||||
function HSV_to_RGB(H,S,V)
|
||||
local r,g,b = 0,0,0
|
||||
|
||||
-- Saturation is zero, make grey
|
||||
if S == 0 then
|
||||
r = V*255
|
||||
if r < 0 then
|
||||
r = 0
|
||||
end
|
||||
if r > 255 then
|
||||
r = 255
|
||||
end
|
||||
g = r
|
||||
b = r
|
||||
|
||||
-- Else, calculate color
|
||||
else
|
||||
-- Calculate subvalues
|
||||
H = H % 360 -- Put H in range [0,360)
|
||||
local Hi = math.floor(H/60)
|
||||
local f = H/60.0 - Hi
|
||||
local p = V*(1-S)
|
||||
local q = V*(1-f*S)
|
||||
local t = V*(1-(1-f)*S)
|
||||
|
||||
-- Do math based on hue index
|
||||
if Hi == 0 then
|
||||
r = V*255.0
|
||||
g = t*255.0
|
||||
b = p*255.0
|
||||
elseif Hi == 1 then
|
||||
r = q*255.0
|
||||
g = V*255.0
|
||||
b = p*255.0
|
||||
elseif Hi == 2 then
|
||||
r = p*255.0
|
||||
g = V*255.0
|
||||
b = t*255.0
|
||||
elseif Hi == 3 then
|
||||
r = p*255.0
|
||||
g = q*255.0
|
||||
b = V*255.0
|
||||
elseif Hi == 4 then
|
||||
r = t*255.0
|
||||
g = p*255.0
|
||||
b = V*255.0
|
||||
elseif Hi == 5 then
|
||||
r = V*255.0
|
||||
g = p*255.0
|
||||
b = q*255.0
|
||||
else
|
||||
aegisub.debug.out(2, "RGB_to_HSV: Hi got an unexpected value: %d\n\n", Hi)
|
||||
end
|
||||
end
|
||||
|
||||
r = math.floor(r)
|
||||
g = math.floor(g)
|
||||
b = math.floor(b)
|
||||
return r,g,b
|
||||
end
|
||||
|
||||
-- Removes spaces at the start and end of string
|
||||
function string.trim(s)
|
||||
return (string.gsub(s, "^%s*(.-)%s*$", "%1"))
|
||||
end
|
||||
|
||||
-- Get the "head" and "tail" of a string, treating it as a sequence of words separated by one or more space-characters
|
||||
function string.headtail(s)
|
||||
local a, b, head, tail = string.find(s, "(.-)%s+(.*)")
|
||||
if a then
|
||||
return head, tail
|
||||
else
|
||||
return s, ""
|
||||
end
|
||||
end
|
||||
|
||||
-- Iterator function for headtail
|
||||
function string.words(s)
|
||||
local t = s
|
||||
local function wordloop()
|
||||
if t == "" then
|
||||
return nil
|
||||
end
|
||||
local head, tail = string.headtail(t)
|
||||
t = tail
|
||||
return head
|
||||
end
|
||||
return wordloop, nil, nil
|
||||
end
|
||||
|
||||
-- Clamp a number value to a range
|
||||
function clamp(val, min, max)
|
||||
if val < min then
|
||||
return min
|
||||
elseif val > max then
|
||||
return max
|
||||
else
|
||||
return val
|
||||
end
|
||||
end
|
||||
|
||||
-- Interpolate between two numbers
|
||||
function interpolate(pct, min, max)
|
||||
if pct <= 0 then
|
||||
return min
|
||||
elseif pct >= 1 then
|
||||
return max
|
||||
else
|
||||
return pct * (max - min) + min
|
||||
end
|
||||
end
|
||||
|
||||
-- Interpolate between two colour values, given in either style definition or style override format
|
||||
-- Return in style override format
|
||||
function interpolate_color(pct, first, last)
|
||||
local r1, g1, b1 = extract_color(first)
|
||||
local r2, g2, b2 = extract_color(first)
|
||||
local r, g, b = interpolate(pct, r1, r2), interpolate(pct, g1, g2), interpolate(pct, b1, b2)
|
||||
return ass_color(r, g, b)
|
||||
end
|
||||
|
||||
-- Interpolate between two alpha values, given either in style override or as part as a style definition colour
|
||||
-- Return in style override format
|
||||
function interpolate_alpha(pct, first, last)
|
||||
local r1, g1, b1, a1 = extract_color(first)
|
||||
local r2, g2, b2, a2 = extract_color(first)
|
||||
return ass_alpha(interpolate(pct, a1, a2))
|
||||
end
|
||||
|
|
@ -27,227 +27,10 @@
|
|||
POSSIBILITY OF SUCH DAMAGE.
|
||||
]]
|
||||
|
||||
-- Compatibility hatch
|
||||
-- Include the right file, depending on Automation version
|
||||
-- The Auto4 version has to be in a separate include to avoid parser problems with Lua 5.0
|
||||
if aegisub.lua_automation_version < 4 then
|
||||
include "utils.auto3"
|
||||
return
|
||||
end
|
||||
|
||||
-- Make a shallow copy of a table
|
||||
function table.copy(oldtab)
|
||||
local newtab = {}
|
||||
for key, val in pairs(oldtab) do
|
||||
newtab[key] = val
|
||||
end
|
||||
return newtab
|
||||
end
|
||||
-- Compability
|
||||
copy_line = table.copy
|
||||
|
||||
-- Make a deep copy of a table
|
||||
-- This will do infinite recursion if there's any circular references. (Eg. if you try to copy _G)
|
||||
function table.copy_deep(srctab)
|
||||
-- Table to hold subtables already copied, to avoid circular references causing infinite recursion
|
||||
local circular = {}
|
||||
local function do_copy(oldtab)
|
||||
local newtab = {}
|
||||
for key, val in pairs(newtab) do
|
||||
if type(val) == "table" then
|
||||
if not circular[val] then
|
||||
circular[val] = do_copy(val)
|
||||
end
|
||||
newtab[key] = circular[val]
|
||||
else
|
||||
newtab[key] = val
|
||||
end
|
||||
end
|
||||
end
|
||||
return do_copy(srctab)
|
||||
end
|
||||
|
||||
-- Generates ASS hexadecimal string from R,G,B integer components, in &HBBGGRR& format
|
||||
function ass_color(r,g,b)
|
||||
return string.format("&H%02X%02X%02X&",b,g,r)
|
||||
end
|
||||
-- Format an alpha-string for \Xa style overrides
|
||||
function ass_alpha(a)
|
||||
return string.format("&H%02X&", a)
|
||||
end
|
||||
-- Format an ABGR string for use in style definitions (these don't end with & either)
|
||||
function ass_style_color(r,g,b,a)
|
||||
return string.format("&H%02X%02X%02X%02X",a,b,g,r)
|
||||
end
|
||||
|
||||
-- Extract colour components of an ASS colour
|
||||
function extract_color(s)
|
||||
local a, b, g, r
|
||||
|
||||
-- Try a style first
|
||||
a, b, g, r = s:match("&H(%x%x)(%x%x)(%x%x)(%x%x)")
|
||||
if a then
|
||||
return tonumber(r, 16), tonumber(g, 16), tonumber(b, 16), tonumber(a, 16)
|
||||
end
|
||||
|
||||
-- Then a colour override
|
||||
b, g, r = s:match("&H(%x%x)(%x%x)(%x%x)&")
|
||||
if b then
|
||||
return tonumber(r, 16), tonumber(g, 16), tonumber(b, 16), 0
|
||||
end
|
||||
|
||||
-- Then an alpha override
|
||||
a = s:match("&H(%x%x)&")
|
||||
if a then
|
||||
return 0, 0, 0, tonumber(a, 16)
|
||||
end
|
||||
|
||||
-- Ok how about HTML format then?
|
||||
r, g, b, a = s:match("#(%x%x)(%x%x)?(%x%x)?(%x%x)?")
|
||||
if r then
|
||||
return tonumber(r or 0, 16), tonumber(g or 0, 16), tonumber(b or 0, 16), tonumber(a or 0, 16)
|
||||
end
|
||||
|
||||
-- Failed...
|
||||
return nil
|
||||
end
|
||||
|
||||
-- Create an alpha override code from a style definition colour code
|
||||
function alpha_from_style(scolor)
|
||||
local r, g, b, a = extract_color(scolor)
|
||||
return ass_alpha(a)
|
||||
end
|
||||
|
||||
-- Create an colour override code from a style definition colour code
|
||||
function color_from_style(scolor)
|
||||
local r, g, b = extract_color(scolor)
|
||||
return ass_color(r, g, b)
|
||||
end
|
||||
|
||||
-- Converts HSV (Hue, Saturation, Value) to RGB
|
||||
function HSV_to_RGB(H,S,V)
|
||||
local r,g,b = 0,0,0
|
||||
|
||||
-- Saturation is zero, make grey
|
||||
if S == 0 then
|
||||
r = V*255
|
||||
if r < 0 then
|
||||
r = 0
|
||||
end
|
||||
if r > 255 then
|
||||
r = 255
|
||||
end
|
||||
g = r
|
||||
b = r
|
||||
|
||||
-- Else, calculate color
|
||||
else
|
||||
-- Calculate subvalues
|
||||
H = H % 360 -- Put H in range [0,360)
|
||||
local Hi = math.floor(H/60)
|
||||
local f = H/60.0 - Hi
|
||||
local p = V*(1-S)
|
||||
local q = V*(1-f*S)
|
||||
local t = V*(1-(1-f)*S)
|
||||
|
||||
-- Do math based on hue index
|
||||
if Hi == 0 then
|
||||
r = V*255.0
|
||||
g = t*255.0
|
||||
b = p*255.0
|
||||
elseif Hi == 1 then
|
||||
r = q*255.0
|
||||
g = V*255.0
|
||||
b = p*255.0
|
||||
elseif Hi == 2 then
|
||||
r = p*255.0
|
||||
g = V*255.0
|
||||
b = t*255.0
|
||||
elseif Hi == 3 then
|
||||
r = p*255.0
|
||||
g = q*255.0
|
||||
b = V*255.0
|
||||
elseif Hi == 4 then
|
||||
r = t*255.0
|
||||
g = p*255.0
|
||||
b = V*255.0
|
||||
elseif Hi == 5 then
|
||||
r = V*255.0
|
||||
g = p*255.0
|
||||
b = q*255.0
|
||||
else
|
||||
aegisub.debug.out(2, "RGB_to_HSV: Hi got an unexpected value: %d\n\n", Hi)
|
||||
end
|
||||
end
|
||||
|
||||
r = math.floor(r)
|
||||
g = math.floor(g)
|
||||
b = math.floor(b)
|
||||
return r,g,b
|
||||
end
|
||||
|
||||
-- Removes spaces at the start and end of string
|
||||
function string.trim(s)
|
||||
return (string.gsub(s, "^%s*(.-)%s*$", "%1"))
|
||||
end
|
||||
|
||||
-- Get the "head" and "tail" of a string, treating it as a sequence of words separated by one or more space-characters
|
||||
function string.headtail(s)
|
||||
local a, b, head, tail = string.find(s, "(.-)%s+(.*)")
|
||||
if a then
|
||||
return head, tail
|
||||
else
|
||||
return s, ""
|
||||
end
|
||||
end
|
||||
|
||||
-- Iterator function for headtail
|
||||
function string.words(s)
|
||||
local t = s
|
||||
local function wordloop()
|
||||
if t == "" then
|
||||
return nil
|
||||
end
|
||||
local head, tail = string.headtail(t)
|
||||
t = tail
|
||||
return head
|
||||
end
|
||||
return wordloop, nil, nil
|
||||
end
|
||||
|
||||
-- Clamp a number value to a range
|
||||
function clamp(val, min, max)
|
||||
if val < min then
|
||||
return min
|
||||
elseif val > max then
|
||||
return max
|
||||
else
|
||||
return val
|
||||
end
|
||||
end
|
||||
|
||||
-- Interpolate between two numbers
|
||||
function interpolate(pct, min, max)
|
||||
if pct <= 0 then
|
||||
return min
|
||||
elseif pct >= 1 then
|
||||
return max
|
||||
else
|
||||
return pct * (max - min) + min
|
||||
end
|
||||
end
|
||||
|
||||
-- Interpolate between two colour values, given in either style definition or style override format
|
||||
-- Return in style override format
|
||||
function interpolate_color(pct, first, last)
|
||||
local r1, g1, b1 = extract_color(first)
|
||||
local r2, g2, b2 = extract_color(first)
|
||||
local r, g, b = interpolate(pct, r1, r2), interpolate(pct, g1, g2), interpolate(pct, b1, b2)
|
||||
return ass_color(r, g, b)
|
||||
end
|
||||
|
||||
-- Interpolate between two alpha values, given either in style override or as part as a style definition colour
|
||||
-- Return in style override format
|
||||
function interpolate_alpha(pct, first, last)
|
||||
local r1, g1, b1, a1 = extract_color(first)
|
||||
local r2, g2, b2, a2 = extract_color(first)
|
||||
return ass_alpha(interpolate(pct, a1, a2))
|
||||
include "utils-auto4.lua"
|
||||
end
|
||||
|
|
|
|||
Loading…
Reference in a new issue