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feat: prevent jitter during concurrent zoom

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sxyazi
2025-06-12 08:39:55 +08:00
parent c648526665
commit aeca767ec2
1 changed files with 14 additions and 10 deletions
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24
zoom.yazi/main.lua
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@@ -17,7 +17,12 @@ local get = ya.sync(function(st)
} }
end) end)
local save = ya.sync(function(st, level) st.level = level end) local save = ya.sync(function(st, before, after)
if st.level == before then
st.level = after
return true
end
end)
local function fail(...) return ya.notify { title = "Zoom", content = string.format(...), timeout = 5, level = "error" } end local function fail(...) return ya.notify { title = "Zoom", content = string.format(...), timeout = 5, level = "error" } end
@@ -44,12 +49,12 @@ local function entry(_, job)
end end
local motion = tonumber(job.args[1]) or 0 local motion = tonumber(job.args[1]) or 0
st.level = ya.clamp(-10, st.level + motion, 10) local level = ya.clamp(-10, st.level + motion, 10)
local max_w, max_h = canvas() local max_w, max_h = canvas()
local min_w, min_h = math.min(max_w, info.w), math.min(max_h, info.h) local min_w, min_h = math.min(max_w, info.w), math.min(max_h, info.h)
local new_w = min_w + math.floor(min_w * st.level * 0.1) local new_w = min_w + math.floor(min_w * level * 0.1)
local new_h = min_h + math.floor(min_h * st.level * 0.1) local new_h = min_h + math.floor(min_h * level * 0.1)
if new_w > max_w or new_h > max_h then if new_w > max_w or new_h > max_h then
return -- Image larger than available preview area after zooming return -- Image larger than available preview area after zooming
end end
@@ -59,19 +64,18 @@ local function entry(_, job)
local status, err = Command("magick"):arg { local status, err = Command("magick"):arg {
tostring(st.url), tostring(st.url),
"-auto-orient", "-strip", "-auto-orient", "-strip",
"-resize", string.format("%dx%d", new_w, new_h), "-sample", string.format("%dx%d", new_w, new_h),
"-quality", rt.preview.image_quality, "-quality", rt.preview.image_quality,
string.format("JPG:%s", tmp), string.format("JPG:%s", tmp),
}:status() }:status()
if not status then if not status then
return fail("Failed to run `magick` command: %s", err) fail("Failed to run `magick` command: %s", err)
elseif not status.success then elseif not status.success then
return fail("`magick` command exited with error code %d", status.code) fail("`magick` command exited with error code %d", status.code)
elseif save(st.level, level) then
ya.image_show(Url(tmp), ui.area("preview"))
end end
save(st.level)
ya.image_show(Url(tmp), ui.area("preview"))
end end
return { entry = entry } return { entry = entry }