Merge "Reorganize MeasuredText API" (acc788a9) · Commits · e / os / android_frameworks_base

apct-tests/perftests/core/src/android/text/MeasuredTextMemoryUsageTest.java→apct-tests/perftests/core/src/android/text/PrecomputedTextMemoryUsageTest.java

+34 −22

Original line number	Diff line number	Diff line
		@@ -45,7 +45,7 @@ import java.util.Random;

		@LargeTest
		@RunWith(AndroidJUnit4.class)
		public class MeasuredTextMemoryUsageTest {
		public class PrecomputedTextMemoryUsageTest {
		private static final int WORD_LENGTH = 9; // Random word has 9 characters.
		private static final boolean NO_STYLE_TEXT = false;

		@@ -53,7 +53,7 @@ public class MeasuredTextMemoryUsageTest {

		private static int TRIAL_COUNT = 100;

		public MeasuredTextMemoryUsageTest() {}
		public PrecomputedTextMemoryUsageTest() {}

		private TextPerfUtils mTextUtil = new TextPerfUtils();

		@@ -77,13 +77,16 @@ public class MeasuredTextMemoryUsageTest {
		@Test
		public void testMemoryUsage_NoHyphenation() {
		int[] memories = new int[TRIAL_COUNT];
		// Report median of randomly generated MeasuredText.
		for (int i = 0; i < TRIAL_COUNT; ++i) {
		memories[i] = new MeasuredText.Builder(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), PAINT)
		final PrecomputedText.Params param = new PrecomputedText.Params.Builder(PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE)
		.build().getMemoryUsage();
		.build();

		// Report median of randomly generated PrecomputedText.
		for (int i = 0; i < TRIAL_COUNT; ++i) {
		memories[i] = PrecomputedText.create(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), param)
		.getMemoryUsage();
		}
		reportMemoryUsage(median(memories), "MemoryUsage_NoHyphenation");
		}
		@@ -91,13 +94,16 @@ public class MeasuredTextMemoryUsageTest {
		@Test
		public void testMemoryUsage_Hyphenation() {
		int[] memories = new int[TRIAL_COUNT];
		// Report median of randomly generated MeasuredText.
		for (int i = 0; i < TRIAL_COUNT; ++i) {
		memories[i] = new MeasuredText.Builder(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), PAINT)
		final PrecomputedText.Params param = new PrecomputedText.Params.Builder(PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
		.build().getMemoryUsage();
		.build();

		// Report median of randomly generated PrecomputedText.
		for (int i = 0; i < TRIAL_COUNT; ++i) {
		memories[i] = PrecomputedText.create(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), param)
		.getMemoryUsage();
		}
		reportMemoryUsage(median(memories), "MemoryUsage_Hyphenation");
		}
		@@ -105,13 +111,16 @@ public class MeasuredTextMemoryUsageTest {
		@Test
		public void testMemoryUsage_NoHyphenation_WidthOnly() {
		int[] memories = new int[TRIAL_COUNT];
		// Report median of randomly generated MeasuredText.
		for (int i = 0; i < TRIAL_COUNT; ++i) {
		memories[i] = new MeasuredText.Builder(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), PAINT)
		final PrecomputedText.Params param = new PrecomputedText.Params.Builder(PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE)
		.build(false /* width only */).getMemoryUsage();
		.build();

		// Report median of randomly generated PrecomputedText.
		for (int i = 0; i < TRIAL_COUNT; ++i) {
		CharSequence cs = mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT);
		memories[i] = PrecomputedText.createWidthOnly(cs, param, 0, cs.length())
		.getMemoryUsage();
		}
		reportMemoryUsage(median(memories), "MemoryUsage_NoHyphenation_WidthOnly");
		}
		@@ -119,13 +128,16 @@ public class MeasuredTextMemoryUsageTest {
		@Test
		public void testMemoryUsage_Hyphenatation_WidthOnly() {
		int[] memories = new int[TRIAL_COUNT];
		// Report median of randomly generated MeasuredText.
		for (int i = 0; i < TRIAL_COUNT; ++i) {
		memories[i] = new MeasuredText.Builder(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), PAINT)
		final PrecomputedText.Params param = new PrecomputedText.Params.Builder(PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
		.build(false /* width only */).getMemoryUsage();
		.build();

		// Report median of randomly generated PrecomputedText.
		for (int i = 0; i < TRIAL_COUNT; ++i) {
		CharSequence cs = mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT);
		memories[i] = PrecomputedText.createWidthOnly(cs, param, 0, cs.length())
		.getMemoryUsage();
		}
		reportMemoryUsage(median(memories), "MemoryUsage_Hyphenation_WidthOnly");
		}

apct-tests/perftests/core/src/android/text/MeasuredTextPerfTest.java→apct-tests/perftests/core/src/android/text/PrecomputedTextPerfTest.java

+50 −34

Original line number	Diff line number	Diff line
		@@ -42,7 +42,7 @@ import java.util.Random;

		@LargeTest
		@RunWith(AndroidJUnit4.class)
		public class MeasuredTextPerfTest {
		public class PrecomputedTextPerfTest {
		private static final int WORD_LENGTH = 9; // Random word has 9 characters.
		private static final int WORDS_IN_LINE = 8; // Roughly, 8 words in a line.
		private static final boolean NO_STYLE_TEXT = false;
		@@ -51,7 +51,7 @@ public class MeasuredTextPerfTest {
		private static TextPaint PAINT = new TextPaint();
		private static final int TEXT_WIDTH = WORDS_IN_LINE * WORD_LENGTH * (int) PAINT.getTextSize();

		public MeasuredTextPerfTest() {}
		public PrecomputedTextPerfTest() {}

		@Rule
		public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
		@@ -66,120 +66,136 @@ public class MeasuredTextPerfTest {
		@Test
		public void testCreate_NoStyled_Hyphenation() {
		final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		final PrecomputedText.Params param = new PrecomputedText.Params.Builder(PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
		.build();

		while (state.keepRunning()) {
		state.pauseTiming();
		final CharSequence text = mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT);
		state.resumeTiming();

		new MeasuredText.Builder(text, PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
		.build(true /* do full layout */);
		PrecomputedText.create(text, param);
		}
		}

		@Test
		public void testCreate_NoStyled_NoHyphenation() {
		final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		final PrecomputedText.Params param = new PrecomputedText.Params.Builder(PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE)
		.build();

		while (state.keepRunning()) {
		state.pauseTiming();
		final CharSequence text = mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT);
		state.resumeTiming();

		new MeasuredText.Builder(text, PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE)
		.build(true /* do full layout */);
		PrecomputedText.create(text, param);
		}
		}

		@Test
		public void testCreate_NoStyled_Hyphenation_WidthOnly() {
		final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		final PrecomputedText.Params param = new PrecomputedText.Params.Builder(PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
		.build();

		while (state.keepRunning()) {
		state.pauseTiming();
		final CharSequence text = mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT);
		state.resumeTiming();

		new MeasuredText.Builder(text, PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
		.build(false /* width only */);
		PrecomputedText.create(text, param);
		}
		}

		@Test
		public void testCreate_NoStyled_NoHyphenation_WidthOnly() {
		final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		final PrecomputedText.Params param = new PrecomputedText.Params.Builder(PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE)
		.build();

		while (state.keepRunning()) {
		state.pauseTiming();
		final CharSequence text = mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT);
		state.resumeTiming();

		new MeasuredText.Builder(text, PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE)
		.build(false /* width only */);
		PrecomputedText.create(text, param);
		}
		}

		@Test
		public void testCreate_Styled_Hyphenation() {
		final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		final PrecomputedText.Params param = new PrecomputedText.Params.Builder(PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
		.build();

		while (state.keepRunning()) {
		state.pauseTiming();
		final CharSequence text = mTextUtil.nextRandomParagraph(WORD_LENGTH, STYLE_TEXT);
		state.resumeTiming();

		new MeasuredText.Builder(text, PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
		.build(true /* do full layout */);
		PrecomputedText.create(text, param);
		}
		}

		@Test
		public void testCreate_Styled_NoHyphenation() {
		final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		final PrecomputedText.Params param = new PrecomputedText.Params.Builder(PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE)
		.build();

		while (state.keepRunning()) {
		state.pauseTiming();
		final CharSequence text = mTextUtil.nextRandomParagraph(WORD_LENGTH, STYLE_TEXT);
		state.resumeTiming();

		new MeasuredText.Builder(text, PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE)
		.build(true /* do full layout */);
		PrecomputedText.create(text, param);
		}
		}

		@Test
		public void testCreate_Styled_Hyphenation_WidthOnly() {
		final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		final PrecomputedText.Params param = new PrecomputedText.Params.Builder(PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
		.build();

		while (state.keepRunning()) {
		state.pauseTiming();
		final CharSequence text = mTextUtil.nextRandomParagraph(WORD_LENGTH, STYLE_TEXT);
		state.resumeTiming();

		new MeasuredText.Builder(text, PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
		.build(false /* width only */);
		PrecomputedText.create(text, param);
		}
		}

		@Test
		public void testCreate_Styled_NoHyphenation_WidthOnly() {
		final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		final PrecomputedText.Params param = new PrecomputedText.Params.Builder(PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE)
		.build();

		while (state.keepRunning()) {
		state.pauseTiming();
		final CharSequence text = mTextUtil.nextRandomParagraph(WORD_LENGTH, STYLE_TEXT);
		state.resumeTiming();

		new MeasuredText.Builder(text, PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE)
		.build(false /* width only */);
		PrecomputedText.create(text, param);
		}
		}
		}

apct-tests/perftests/core/src/android/text/StaticLayoutPerfTest.java

+57 −51

Original line number	Diff line number	Diff line
		@@ -63,6 +63,18 @@ public class StaticLayoutPerfTest {
		mTextUtil.resetRandom(0 /* seed */);
		}

		private PrecomputedText makeMeasured(CharSequence text, TextPaint paint) {
		PrecomputedText.Params param = new PrecomputedText.Params.Builder(paint).build();
		return PrecomputedText.create(text, param);
		}

		private PrecomputedText makeMeasured(CharSequence text, TextPaint paint, int strategy,
		int frequency) {
		PrecomputedText.Params param = new PrecomputedText.Params.Builder(paint)
		.setHyphenationFrequency(frequency).setBreakStrategy(strategy).build();
		return PrecomputedText.create(text, param);
		}

		@Test
		public void testCreate_FixedText_NoStyle_Greedy_NoHyphenation() {
		final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		@@ -151,18 +163,16 @@ public class StaticLayoutPerfTest {
		}

		@Test
		public void testCreate_MeasuredText_NoStyled_Greedy_NoHyphenation() {
		public void testCreate_PrecomputedText_NoStyled_Greedy_NoHyphenation() {
		final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		while (state.keepRunning()) {
		state.pauseTiming();
		final MeasuredText text = new MeasuredText.Builder(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE)
		.build();
		final PrecomputedText text = makeMeasured(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), PAINT,
		Layout.BREAK_STRATEGY_SIMPLE, Layout.HYPHENATION_FREQUENCY_NONE);
		state.resumeTiming();

		StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH)
		StaticLayout.Builder.obtain(text, 0, text.getText().length(), PAINT, TEXT_WIDTH)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE)
		.setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE)
		.build();
		@@ -170,18 +180,16 @@ public class StaticLayoutPerfTest {
		}

		@Test
		public void testCreate_MeasuredText_NoStyled_Greedy_Hyphenation() {
		public void testCreate_PrecomputedText_NoStyled_Greedy_Hyphenation() {
		final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		while (state.keepRunning()) {
		state.pauseTiming();
		final MeasuredText text = new MeasuredText.Builder(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
		.build();
		final PrecomputedText text = makeMeasured(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), PAINT,
		Layout.BREAK_STRATEGY_SIMPLE, Layout.HYPHENATION_FREQUENCY_NORMAL);
		state.resumeTiming();

		StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH)
		StaticLayout.Builder.obtain(text, 0, text.getText().length(), PAINT, TEXT_WIDTH)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
		.setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE)
		.build();
		@@ -189,18 +197,16 @@ public class StaticLayoutPerfTest {
		}

		@Test
		public void testCreate_MeasuredText_NoStyled_Balanced_NoHyphenation() {
		public void testCreate_PrecomputedText_NoStyled_Balanced_NoHyphenation() {
		final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		while (state.keepRunning()) {
		state.pauseTiming();
		final MeasuredText text = new MeasuredText.Builder(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE)
		.build();
		final PrecomputedText text = makeMeasured(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), PAINT,
		Layout.BREAK_STRATEGY_BALANCED, Layout.HYPHENATION_FREQUENCY_NONE);
		state.resumeTiming();

		StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH)
		StaticLayout.Builder.obtain(text, 0, text.getText().length(), PAINT, TEXT_WIDTH)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE)
		.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED)
		.build();
		@@ -208,18 +214,16 @@ public class StaticLayoutPerfTest {
		}

		@Test
		public void testCreate_MeasuredText_NoStyled_Balanced_Hyphenation() {
		public void testCreate_PrecomputedText_NoStyled_Balanced_Hyphenation() {
		final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		while (state.keepRunning()) {
		state.pauseTiming();
		final MeasuredText text = new MeasuredText.Builder(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
		.build();
		final PrecomputedText text = makeMeasured(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), PAINT,
		Layout.BREAK_STRATEGY_BALANCED, Layout.HYPHENATION_FREQUENCY_NORMAL);
		state.resumeTiming();

		StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH)
		StaticLayout.Builder.obtain(text, 0, text.getText().length(), PAINT, TEXT_WIDTH)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL)
		.setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED)
		.build();
		@@ -227,18 +231,16 @@ public class StaticLayoutPerfTest {
		}

		@Test
		public void testCreate_MeasuredText_Styled_Greedy_NoHyphenation() {
		public void testCreate_PrecomputedText_Styled_Greedy_NoHyphenation() {
		final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		while (state.keepRunning()) {
		state.pauseTiming();
		final MeasuredText text = new MeasuredText.Builder(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, STYLE_TEXT), PAINT)
		.setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE)
		.build();
		final PrecomputedText text = makeMeasured(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, STYLE_TEXT), PAINT,
		Layout.BREAK_STRATEGY_SIMPLE, Layout.HYPHENATION_FREQUENCY_NONE);
		state.resumeTiming();

		StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH)
		StaticLayout.Builder.obtain(text, 0, text.getText().length(), PAINT, TEXT_WIDTH)
		.setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE)
		.setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE)
		.build();
		@@ -328,15 +330,16 @@ public class StaticLayoutPerfTest {
		}

		@Test
		public void testDraw_MeasuredText_Styled() {
		public void testDraw_PrecomputedText_Styled() {
		final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		final RenderNode node = RenderNode.create("benchmark", null);
		while (state.keepRunning()) {
		state.pauseTiming();
		final MeasuredText text = new MeasuredText.Builder(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, STYLE_TEXT), PAINT).build();
		final PrecomputedText text = makeMeasured(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, STYLE_TEXT), PAINT);
		final StaticLayout layout =
		StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH).build();
		StaticLayout.Builder.obtain(
		text, 0, text.getText().length(), PAINT, TEXT_WIDTH).build();
		final DisplayListCanvas c = node.start(1200, 200);
		state.resumeTiming();

		@@ -345,15 +348,16 @@ public class StaticLayoutPerfTest {
		}

		@Test
		public void testDraw_MeasuredText_NoStyled() {
		public void testDraw_PrecomputedText_NoStyled() {
		final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		final RenderNode node = RenderNode.create("benchmark", null);
		while (state.keepRunning()) {
		state.pauseTiming();
		final MeasuredText text = new MeasuredText.Builder(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), PAINT).build();
		final PrecomputedText text = makeMeasured(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), PAINT);
		final StaticLayout layout =
		StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH).build();
		StaticLayout.Builder.obtain(
		text, 0, text.getText().length(), PAINT, TEXT_WIDTH).build();
		final DisplayListCanvas c = node.start(1200, 200);
		state.resumeTiming();

		@@ -362,15 +366,16 @@ public class StaticLayoutPerfTest {
		}

		@Test
		public void testDraw_MeasuredText_Styled_WithoutCache() {
		public void testDraw_PrecomputedText_Styled_WithoutCache() {
		final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		final RenderNode node = RenderNode.create("benchmark", null);
		while (state.keepRunning()) {
		state.pauseTiming();
		final MeasuredText text = new MeasuredText.Builder(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, STYLE_TEXT), PAINT).build();
		final PrecomputedText text = makeMeasured(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, STYLE_TEXT), PAINT);
		final StaticLayout layout =
		StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH).build();
		StaticLayout.Builder.obtain(
		text, 0, text.getText().length(), PAINT, TEXT_WIDTH).build();
		final DisplayListCanvas c = node.start(1200, 200);
		Canvas.freeTextLayoutCaches();
		state.resumeTiming();
		@@ -380,15 +385,16 @@ public class StaticLayoutPerfTest {
		}

		@Test
		public void testDraw_MeasuredText_NoStyled_WithoutCache() {
		public void testDraw_PrecomputedText_NoStyled_WithoutCache() {
		final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
		final RenderNode node = RenderNode.create("benchmark", null);
		while (state.keepRunning()) {
		state.pauseTiming();
		final MeasuredText text = new MeasuredText.Builder(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), PAINT).build();
		final PrecomputedText text = makeMeasured(
		mTextUtil.nextRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), PAINT);
		final StaticLayout layout =
		StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH).build();
		StaticLayout.Builder.obtain(
		text, 0, text.getText().length(), PAINT, TEXT_WIDTH).build();
		final DisplayListCanvas c = node.start(1200, 200);
		Canvas.freeTextLayoutCaches();
		state.resumeTiming();

api/current.txt

+31 −30

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core/java/android/text/BoringLayout.java

+12 −7

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