AndroidGenericFontFamilyTypeface.android.kt
/*
* Copyright 2020 The Android Open Source Project
*
* 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 androidx.compose.ui.text.platform
import android.graphics.Typeface
import android.os.Build
import androidx.compose.ui.text.font.FontFamily
import androidx.compose.ui.text.font.FontStyle
import androidx.compose.ui.text.font.FontSynthesis
import androidx.compose.ui.text.font.FontWeight
import androidx.compose.ui.text.font.GenericFontFamily
import androidx.compose.ui.text.font.TypefaceHelperMethodsApi28
import androidx.compose.ui.text.font.getAndroidTypefaceStyle
/**
* An implementation of [AndroidTypeface] for [GenericFontFamily]
*/
@Deprecated("This path for preloading loading fonts is not supported.")
internal class AndroidGenericFontFamilyTypeface(
fontFamily: GenericFontFamily
) : AndroidTypeface {
override val fontFamily: FontFamily = fontFamily
override fun getNativeTypeface(
fontWeight: FontWeight,
fontStyle: FontStyle,
synthesis: FontSynthesis
): Typeface = buildStyledTypeface(fontWeight, fontStyle)
// Platform never return null with Typeface.create
private val nativeTypeface = Typeface.create(fontFamily.name, Typeface.NORMAL)!!
private fun buildStyledTypeface(fontWeight: FontWeight, fontStyle: FontStyle) =
if (Build.VERSION.SDK_INT < 28) {
Typeface.create(
nativeTypeface,
getAndroidTypefaceStyle(fontWeight, fontStyle)
)
} else {
TypefaceHelperMethodsApi28.create(
nativeTypeface,
fontWeight.weight,
fontStyle == FontStyle.Italic
)
}
}