| /* |
| * Copyright 2019 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.ui.text.platform.style |
| |
| import kotlin.math.ceil |
| import android.text.TextPaint |
| import android.text.style.MetricAffectingSpan |
| import androidx.ui.text.platform.InternalPlatformTextApi |
| |
| /** |
| * Span which shifts the vertical position of baseline. |
| * |
| * @suppress |
| */ |
| @InternalPlatformTextApi |
| open class BaselineShiftSpan(val multiplier: Float) : MetricAffectingSpan() { |
| |
| override fun updateMeasureState(textPaint: TextPaint) { |
| textPaint.baselineShift += ceil(textPaint.ascent() * multiplier).toInt() |
| } |
| |
| override fun updateDrawState(textPaint: TextPaint) { |
| textPaint.baselineShift += ceil(textPaint.ascent() * multiplier).toInt() |
| } |
| } |