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ref: icon preference rating

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relikd
2025-11-29 20:11:40 +01:00
parent 035276dcfc
commit f233d0e4a2
1 changed files with 26 additions and 21 deletions
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47
src/MetaInfo+Apk.swift
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@@ -202,20 +202,18 @@ private extension Tbl_Parser {
return nil
}
/// If `ref.entry != 0`, lookup resource with matching id
/// Lookup resource with matching id. Choose the icon with the highest density.
func getIconDirect(_ ref: TblTableRef) -> String? {
guard ref.entry != 0, let res = try? self.getResource(ref) else {
guard let res = try? self.getResource(ref) else {
return nil
}
var best: ResValue? = nil
var bestScore: UInt16 = 0
for e in res.entries {
let density = e.config.screenType.density
if density == .any || density == .None {
continue
}
if let val = e.entry.value {
if density.rawValue > bestScore {
switch e.config.screenType.density {
case .Default, .any, .None: continue
case let density:
if density.rawValue > bestScore, let val = e.entry.value {
bestScore = density.rawValue
best = val
}
@@ -224,7 +222,8 @@ private extension Tbl_Parser {
return best?.resolve(self.stringPool)
}
/// if `ref.entry == 0`, iterate over all entries and search for attribute name `ic_launcher`
/// Iterate over all entries and choose best-rated icon file.
/// Rating prefers files which have an attribute name `"app_icon"` or `"ic_launcher"`.
func getIconIndirect(_ ref: TblTableRef) -> String? {
// sadly we cannot just `getResource()` because that can point to an app banner
guard let pkg = try? self.getPackage(ref.package),
@@ -232,21 +231,27 @@ private extension Tbl_Parser {
let (_, types) = try? pkg.getType(ref.type) else {
return nil
}
// density is 120-640
let rates: [String: UInt16] = [
"app_icon": 1000,
"ic_launcher": 800,
"ic_launcher_foreground": 200,
]
var best: ResValue? = nil
var bestScore: UInt16 = 0
for typ in types {
let density = typ.config.screenType.density
if density == .any || density == .None {
continue
}
try? typ.iterValues { _, entry in
let attrName = pool.getStringCached(entry.key)
guard attrName == "ic_launcher", let val = entry.value else {
return
}
if density.rawValue > bestScore {
bestScore = density.rawValue
best = val
switch typ.config.screenType.density {
case .any, .None: continue
case let density:
try? typ.iterValues {
if let val = $1.value {
let attrName = pool.getStringCached($1.key)
let score = density.rawValue + (rates[attrName] ?? 0)
if score > bestScore {
bestScore = score
best = val
}
}
}
}
}