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/*
* Copyright 2018 Allan Wang
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ca.allanwang.kau.utils
import android.content.Context
import android.graphics.Typeface
/**
* Created by Allan Wang on 2017-06-28.
*/
object FontUtils {
private val sTypefaceCache: MutableMap<String, Typeface> = mutableMapOf()
fun get(context: Context, font: String): Typeface {
synchronized(sTypefaceCache) {
if (!sTypefaceCache.containsKey(font)) {
val tf = Typeface.createFromAsset(
context.applicationContext.assets, "fonts/$font.ttf"
)
sTypefaceCache.put(font, tf)
}
return sTypefaceCache.get(font)
?: throw IllegalArgumentException("Font error; typeface does not exist at assets/fonts$font.ttf")
}
}
fun getName(typeface: Typeface): String? = sTypefaceCache.entries.firstOrNull { it.value == typeface }?.key
}
fun Context.getFont(font: String) = FontUtils.get(this, font)
fun Context.getFontName(typeface: Typeface) = FontUtils.getName(typeface)
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