MrSluffy
60 lines
1.8 KiB
Kotlin
60 lines
1.8 KiB
Kotlin
package com.android.systemui.animation
|
|
|
|
private const val TAG_WGHT = "wght"
|
|
private const val TAG_WDTH = "wdth"
|
|
private const val TAG_OPSZ = "opsz"
|
|
private const val TAG_ROND = "ROND"
|
|
|
|
class FontVariationUtils {
|
|
private var mWeight = -1
|
|
private var mWidth = -1
|
|
private var mOpticalSize = -1
|
|
private var mRoundness = -1
|
|
private var isUpdated = false
|
|
|
|
/*
|
|
* generate fontVariationSettings string, used for key in typefaceCache in TextAnimator
|
|
* the order of axes should align to the order of parameters
|
|
* if every axis remains unchanged, return ""
|
|
*/
|
|
fun updateFontVariation(
|
|
weight: Int = -1,
|
|
width: Int = -1,
|
|
opticalSize: Int = -1,
|
|
roundness: Int = -1
|
|
): String {
|
|
isUpdated = false
|
|
if (weight >= 0 && mWeight != weight) {
|
|
isUpdated = true
|
|
mWeight = weight
|
|
}
|
|
if (width >= 0 && mWidth != width) {
|
|
isUpdated = true
|
|
mWidth = width
|
|
}
|
|
if (opticalSize >= 0 && mOpticalSize != opticalSize) {
|
|
isUpdated = true
|
|
mOpticalSize = opticalSize
|
|
}
|
|
|
|
if (roundness >= 0 && mRoundness != roundness) {
|
|
isUpdated = true
|
|
mRoundness = roundness
|
|
}
|
|
var resultString = ""
|
|
if (mWeight >= 0) {
|
|
resultString += "'$TAG_WGHT' $mWeight"
|
|
}
|
|
if (mWidth >= 0) {
|
|
resultString += (if (resultString.isBlank()) "" else ", ") + "'$TAG_WDTH' $mWidth"
|
|
}
|
|
if (mOpticalSize >= 0) {
|
|
resultString += (if (resultString.isBlank()) "" else ", ") + "'$TAG_OPSZ' $mOpticalSize"
|
|
}
|
|
if (mRoundness >= 0) {
|
|
resultString += (if (resultString.isBlank()) "" else ", ") + "'$TAG_ROND' $mRoundness"
|
|
}
|
|
return if (isUpdated) resultString else ""
|
|
}
|
|
}
|