Support change of several axes in textAnimator (523c1ce5) · Commits · e / os / android_frameworks_base

packages/SystemUI/animation/src/com/android/systemui/animation/FontVariationUtils.kt

0 → 100644

+59 −0

Original line number	Diff line number	Diff line
		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 ""
		}
		}

packages/SystemUI/animation/src/com/android/systemui/animation/TextAnimator.kt

+64 −48

Original line number	Diff line number	Diff line
		@@ -23,11 +23,8 @@ import android.animation.ValueAnimator
		import android.graphics.Canvas
		import android.graphics.Typeface
		import android.graphics.fonts.Font
		import android.graphics.fonts.FontVariationAxis
		import android.text.Layout
		import android.util.SparseArray

		private const val TAG_WGHT = "wght"
		private const val DEFAULT_ANIMATION_DURATION: Long = 300

		typealias GlyphCallback = (TextAnimator.PositionedGlyph, Float) -> Unit
		@@ -51,7 +48,7 @@ typealias GlyphCallback = (TextAnimator.PositionedGlyph, Float) -> Unit
		*
		* // Change the text size with animation.
		* fun setTextSize(sizePx: Float, animate: Boolean) {
		* animator.setTextStyle(-1 /* unchanged weight */, sizePx, animate)
		* animator.setTextStyle("" /* unchanged fvar... */, sizePx, animate)
		* }
		* }
		* ```
		@@ -115,7 +112,9 @@ class TextAnimator(layout: Layout, private val invalidateCallback: () -> Unit) {
		protected set
		}

		private val typefaceCache = SparseArray<Typeface?>()
		private val fontVariationUtils = FontVariationUtils()

		private val typefaceCache = HashMap<String, Typeface?>()

		fun updateLayout(layout: Layout) {
		textInterpolator.layout = layout
		@@ -186,7 +185,7 @@ class TextAnimator(layout: Layout, private val invalidateCallback: () -> Unit) {
		* Bu passing -1 to duration, the default text animation, 1000ms, is used.
		* By passing false to animate, the text will be updated without animation.
		*
		* @param weight an optional text weight.
		* @param fvar an optional text fontVariationSettings.
		* @param textSize an optional font size.
		* @param colors an optional colors array that must be the same size as numLines passed to
		* the TextInterpolator
		@@ -199,7 +198,7 @@ class TextAnimator(layout: Layout, private val invalidateCallback: () -> Unit) {
		* will be used. This is ignored if animate is false.
		*/
		fun setTextStyle(
		weight: Int = -1,
		fvar: String? = "",
		textSize: Float = -1f,
		color: Int? = null,
		strokeWidth: Float = -1f,
		@@ -217,42 +216,16 @@ class TextAnimator(layout: Layout, private val invalidateCallback: () -> Unit) {
		if (textSize >= 0) {
		textInterpolator.targetPaint.textSize = textSize
		}
		if (weight >= 0) {
		val fontVariationArray =
		FontVariationAxis.fromFontVariationSettings(
		textInterpolator.targetPaint.fontVariationSettings
		)
		if (fontVariationArray.isNullOrEmpty()) {
		textInterpolator.targetPaint.typeface =
		typefaceCache.getOrElse(weight) {
		textInterpolator.targetPaint.fontVariationSettings = "'$TAG_WGHT' $weight"
		textInterpolator.targetPaint.typeface
		}
		} else {
		val idx = fontVariationArray.indexOfFirst { it.tag == "$TAG_WGHT" }
		if (idx == -1) {
		val updatedFontVariation =
		textInterpolator.targetPaint.fontVariationSettings + ",'$TAG_WGHT' $weight"
		textInterpolator.targetPaint.typeface =
		typefaceCache.getOrElse(weight) {
		textInterpolator.targetPaint.fontVariationSettings =
		updatedFontVariation
		textInterpolator.targetPaint.typeface
		}
		} else {
		fontVariationArray[idx] = FontVariationAxis(
		"$TAG_WGHT", weight.toFloat())
		val updatedFontVariation =
		FontVariationAxis.toFontVariationSettings(fontVariationArray)

		if (!fvar.isNullOrBlank()) {
		textInterpolator.targetPaint.typeface =
		typefaceCache.getOrElse(weight) {
		textInterpolator.targetPaint.fontVariationSettings =
		updatedFontVariation
		typefaceCache.getOrElse(fvar) {
		textInterpolator.targetPaint.fontVariationSettings = fvar
		typefaceCache.put(fvar, textInterpolator.targetPaint.typeface)
		textInterpolator.targetPaint.typeface
		}
		}
		}
		}

		if (color != null) {
		textInterpolator.targetPaint.color = color
		}
		@@ -291,13 +264,56 @@ class TextAnimator(layout: Layout, private val invalidateCallback: () -> Unit) {
		invalidateCallback()
		}
		}
		}

		private fun <V> SparseArray<V>.getOrElse(key: Int, defaultValue: () -> V): V {
		var v = get(key)
		if (v == null) {
		v = defaultValue()
		put(key, v)
		/**
		* Set text style with animation. Similar as
		* fun setTextStyle(
		* fvar: String? = "",
		* textSize: Float = -1f,
		* color: Int? = null,
		* strokeWidth: Float = -1f,
		* animate: Boolean = true,
		* duration: Long = -1L,
		* interpolator: TimeInterpolator? = null,
		* delay: Long = 0,
		* onAnimationEnd: Runnable? = null
		* )
		*
		* @param weight an optional style value for `wght` in fontVariationSettings.
		* @param width an optional style value for `wdth` in fontVariationSettings.
		* @param opticalSize an optional style value for `opsz` in fontVariationSettings.
		* @param roundness an optional style value for `ROND` in fontVariationSettings.
		*/
		fun setTextStyle(
		weight: Int = -1,
		width: Int = -1,
		opticalSize: Int = -1,
		roundness: Int = -1,
		textSize: Float = -1f,
		color: Int? = null,
		strokeWidth: Float = -1f,
		animate: Boolean = true,
		duration: Long = -1L,
		interpolator: TimeInterpolator? = null,
		delay: Long = 0,
		onAnimationEnd: Runnable? = null
		) {
		val fvar = fontVariationUtils.updateFontVariation(
		weight = weight,
		width = width,
		opticalSize = opticalSize,
		roundness = roundness,)
		setTextStyle(
		fvar = fvar,
		textSize = textSize,
		color = color,
		strokeWidth = strokeWidth,
		animate = animate,
		duration = duration,
		interpolator = interpolator,
		delay = delay,
		onAnimationEnd = onAnimationEnd,
		)
		}
		return v
		}

packages/SystemUI/tests/src/com/android/systemui/animation/FontVariationUtilsTest.kt

0 → 100644

+62 −0

Original line number	Diff line number	Diff line
		package com.android.systemui.animation

		import android.testing.AndroidTestingRunner
		import androidx.test.filters.SmallTest
		import com.android.systemui.SysuiTestCase
		import junit.framework.Assert
		import org.junit.Test
		import org.junit.runner.RunWith

		private const val TAG_WGHT = "wght"
		private const val TAG_WDTH = "wdth"
		private const val TAG_OPSZ = "opsz"
		private const val TAG_ROND = "ROND"

		@RunWith(AndroidTestingRunner::class)
		@SmallTest
		class FontVariationUtilsTest : SysuiTestCase() {
		@Test
		fun testUpdateFontVariation_getCorrectFvarStr() {
		val fontVariationUtils = FontVariationUtils()
		val initFvar =
		fontVariationUtils.updateFontVariation(
		weight = 100,
		width = 100,
		opticalSize = -1,
		roundness = 100
		)
		Assert.assertEquals("'$TAG_WGHT' 100, '$TAG_WDTH' 100, '$TAG_ROND' 100", initFvar)
		val updatedFvar =
		fontVariationUtils.updateFontVariation(
		weight = 200,
		width = 100,
		opticalSize = 0,
		roundness = 100
		)
		Assert.assertEquals(
		"'$TAG_WGHT' 200, '$TAG_WDTH' 100, '$TAG_OPSZ' 0, '$TAG_ROND' 100",
		updatedFvar
		)
		}

		@Test
		fun testStyleValueUnchange_getBlankStr() {
		val fontVariationUtils = FontVariationUtils()
		fontVariationUtils.updateFontVariation(
		weight = 100,
		width = 100,
		opticalSize = 0,
		roundness = 100
		)
		val updatedFvar1 =
		fontVariationUtils.updateFontVariation(
		weight = 100,
		width = 100,
		opticalSize = 0,
		roundness = 100
		)
		Assert.assertEquals("", updatedFvar1)
		val updatedFvar2 = fontVariationUtils.updateFontVariation()
		Assert.assertEquals("", updatedFvar2)
		}
		}

packages/SystemUI/tests/src/com/android/systemui/animation/TextAnimatorTest.kt

+0 −68

Original line number	Diff line number	Diff line
		@@ -19,7 +19,6 @@ package com.android.systemui.animation
		import android.animation.AnimatorListenerAdapter
		import android.animation.ValueAnimator
		import android.graphics.Typeface
		import android.graphics.fonts.FontVariationAxis
		import android.testing.AndroidTestingRunner
		import android.text.Layout
		import android.text.StaticLayout
		@@ -179,71 +178,4 @@ class TextAnimatorTest : SysuiTestCase() {

		assertThat(paint.typeface).isSameInstanceAs(prevTypeface)
		}

		@Test
		fun testSetTextStyle_addWeight() {
		testWeightChange("", 100, FontVariationAxis.fromFontVariationSettings("'wght' 100")!!)
		}

		@Test
		fun testSetTextStyle_changeWeight() {
		testWeightChange(
		"'wght' 500",
		100,
		FontVariationAxis.fromFontVariationSettings("'wght' 100")!!
		)
		}

		@Test
		fun testSetTextStyle_addWeightWithOtherAxis() {
		testWeightChange(
		"'wdth' 100",
		100,
		FontVariationAxis.fromFontVariationSettings("'wght' 100, 'wdth' 100")!!
		)
		}

		@Test
		fun testSetTextStyle_changeWeightWithOtherAxis() {
		testWeightChange(
		"'wght' 500, 'wdth' 100",
		100,
		FontVariationAxis.fromFontVariationSettings("'wght' 100, 'wdth' 100")!!
		)
		}

		private fun testWeightChange(
		initialFontVariationSettings: String,
		weight: Int,
		expectedFontVariationSettings: Array<FontVariationAxis>
		) {
		val layout = makeLayout("Hello, World", PAINT)
		val valueAnimator = mock(ValueAnimator::class.java)
		val textInterpolator = mock(TextInterpolator::class.java)
		val paint =
		TextPaint().apply {
		typeface = Typeface.createFromFile("/system/fonts/Roboto-Regular.ttf")
		fontVariationSettings = initialFontVariationSettings
		}
		`when`(textInterpolator.targetPaint).thenReturn(paint)

		val textAnimator =
		TextAnimator(layout, {}).apply {
		this.textInterpolator = textInterpolator
		this.animator = valueAnimator
		}
		textAnimator.setTextStyle(weight = weight, animate = false)

		val resultFontVariationList =
		FontVariationAxis.fromFontVariationSettings(
		textInterpolator.targetPaint.fontVariationSettings
		)
		expectedFontVariationSettings.forEach { expectedAxis ->
		val resultAxis = resultFontVariationList?.filter { it.tag == expectedAxis.tag }?.get(0)
		assertThat(resultAxis).isNotNull()
		if (resultAxis != null) {
		assertThat(resultAxis.styleValue).isEqualTo(expectedAxis.styleValue)
		}
		}
		}
		}