29 lines
1.3 KiB
Kotlin
29 lines
1.3 KiB
Kotlin
package cash.z.ecc.android.ui.util
|
|
|
|
import android.text.TextPaint
|
|
import android.text.style.MetricAffectingSpan
|
|
import androidx.core.content.ContextCompat
|
|
import cash.z.ecc.android.R
|
|
import cash.z.ecc.android.ZcashWalletApp
|
|
|
|
/**
|
|
* A span used for numbering the parts of an address. It combines a [android.text.style.RelativeSizeSpan],
|
|
* [android.text.style.SuperscriptSpan], and a [android.text.style.ForegroundColorSpan] into one class for efficiency.
|
|
*/
|
|
class AddressPartNumberSpan(
|
|
val proportion: Float = 0.5f,
|
|
val color: Int = ContextCompat.getColor(ZcashWalletApp.instance, R.color.colorPrimary)
|
|
) : MetricAffectingSpan() {
|
|
|
|
override fun updateMeasureState(textPaint: TextPaint) {
|
|
textPaint.baselineShift += (textPaint.ascent() / 2).toInt() // from SuperscriptSpan
|
|
textPaint.textSize = textPaint.textSize * proportion // from RelativeSizeSpan
|
|
}
|
|
|
|
override fun updateDrawState(textPaint: TextPaint) {
|
|
textPaint.baselineShift += (textPaint.ascent() / 2).toInt() // from SuperscriptSpan (baseline must shift before resizing or else it will not properly align to the top of the text)
|
|
textPaint.textSize = textPaint.textSize * proportion // from RelativeSizeSpan
|
|
textPaint.color = color // from ForegroundColorSpan
|
|
}
|
|
}
|