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| -rw-r--r-- | faderer.lua | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/faderer.lua b/faderer.lua new file mode 100644 index 0000000..e10167c --- /dev/null +++ b/faderer.lua @@ -0,0 +1,124 @@ +script_name = "faderer" +script_description = "" +script_author = "garret" +script_version = "1" + +include("karaskel.lua") +include("utils.lua") + + +local function exact_ms_from_frame(frame) +--[[ +MIT License + +Copyright (c) 2022 arch1t3cht + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +]] + frame = frame + 1 + local ms = aegisub.ms_from_frame(frame) + while true do + local new_ms = ms - 1 + if new_ms < 0 or aegisub.frame_from_ms(new_ms) ~= frame then + break + end + ms = new_ms + end + return ms - 1 +end + +local function start_offset(pos, start_time) + if aegisub.decode_path("?video") ~= "?video" then + pos = exact_ms_from_frame(pos) else pos = aegisub.ms_from_frame(pos) + end + return pos - start_time +end + + +local function main(sub, sel, act) + + local line = sub[act] + local pos = aegisub.project_properties().video_position + + if string.find(line.effect, "t1:") then + local but, res = aegisub.dialog.display({ + {class="dropdown", items={"Black", "White", "Alpha"}, value="Black", name="c"}, + }) + + local t1 + local t2 + local c = res.c + local c_tags_out = { + Black = "\\c&H000000&\\3c&H000000&\\4c&H000000&", + White = "\\c&HFFFFFF&\\3c&HFFFFFF&\\4c&HFFFFFF&", + Alpha = "\\alpha&HFF&", + } + + local fx_pattern = "t1:(%d+);" + t1 = string.match(line.effect, fx_pattern) + t2 = pos + + t1 = start_offset(t1, line.start_time) + t2 = start_offset(t2, line.start_time) + + local line_length = line.end_time - line.start_time + + if t1 < 0 then line.start_time = line.start_time + t1; t1 = 0 end + line_length = line.end_time - line.start_time + if t2 > line_length then line.end_time = line.start_time + t2 end + line_length = line.end_time - line.start_time + local half_length = line_length / 2 + + local additional_tags = "" + + if t1 == 0 or t2 < half_length then + if not string.match(line.text, "\\t") then + additional_tags = c_tags_out[c] + end + c = "" + + local meta + local styles + meta, styles = karaskel.collect_head(sub, false) + local sty = styles[line.style] + + for i,v in ipairs({"1","3","4"}) do + local style_colour = sty["color"..v] + c = c .. "\\"; if v ~= "1" then c = c .. v end + c = c .. "c".. util.color_from_style(style_colour) + c = c .. "\\"; if v ~= "1" then c = c .. v end + c = c .. "a" .. util.alpha_from_style(style_colour) + end + elseif t2 > half_length then + c = c_tags_out[c] + end + + line.effect = string.gsub(line.effect, ";?"..fx_pattern, "") + local tags = additional_tags.."\\t("..t1..","..t2..","..c..")}" + local old_text = line.text + line.text = string.gsub(line.text, "}", tags, 1) + if old_text == line.text then line.text = "{"..tags .. line.text end + else + if line.effect ~= "" then line.effect = line.effect .. ";" end + line.effect = line.effect .. "t1:" .. pos .. ";" + end + sub[act] = line +end + +aegisub.register_macro(script_name, script_description, main) |