| /* |
| * Copyright (C) 2016 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 android.text; |
| |
| import static android.text.TextDirectionHeuristics.LTR; |
| |
| import android.perftests.utils.BenchmarkState; |
| import android.perftests.utils.PerfStatusReporter; |
| |
| import android.support.test.filters.LargeTest; |
| import android.support.test.runner.AndroidJUnit4; |
| |
| import android.content.res.ColorStateList; |
| import android.graphics.Typeface; |
| import android.text.Layout; |
| import android.text.style.TextAppearanceSpan; |
| |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.nio.CharBuffer; |
| import java.util.Random; |
| |
| @LargeTest |
| @RunWith(AndroidJUnit4.class) |
| public class StaticLayoutPerfTest { |
| |
| public StaticLayoutPerfTest() {} |
| |
| @Rule |
| public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter(); |
| |
| 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 int PARA_LENGTH = 500; // Number of characters in a paragraph. |
| |
| private static final boolean NO_STYLE_TEXT = false; |
| private static final boolean STYLE_TEXT = true; |
| |
| private Random mRandom; |
| |
| private static final String ALPHABET = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; |
| private static final int ALPHABET_LENGTH = ALPHABET.length(); |
| |
| private static final ColorStateList TEXT_COLOR = ColorStateList.valueOf(0x00000000); |
| private static final String[] FAMILIES = { "sans-serif", "serif", "monospace" }; |
| private static final int[] STYLES = { |
| Typeface.NORMAL, Typeface.BOLD, Typeface.ITALIC, Typeface.BOLD_ITALIC |
| }; |
| |
| private final char[] mBuffer = new char[PARA_LENGTH]; |
| |
| private static TextPaint PAINT = new TextPaint(); |
| private static final int TEXT_WIDTH = WORDS_IN_LINE * WORD_LENGTH * (int) PAINT.getTextSize(); |
| |
| private CharSequence generateRandomParagraph(int wordLen, boolean applyRandomStyle) { |
| for (int i = 0; i < PARA_LENGTH; i++) { |
| if (i % (wordLen + 1) == wordLen) { |
| mBuffer[i] = ' '; |
| } else { |
| mBuffer[i] = ALPHABET.charAt(mRandom.nextInt(ALPHABET_LENGTH)); |
| } |
| } |
| |
| CharSequence cs = CharBuffer.wrap(mBuffer); |
| if (!applyRandomStyle) { |
| return cs; |
| } |
| |
| SpannableStringBuilder ssb = new SpannableStringBuilder(cs); |
| for (int i = 0; i < ssb.length(); i += WORD_LENGTH) { |
| final int spanStart = i; |
| final int spanEnd = (i + WORD_LENGTH) > ssb.length() ? ssb.length() : i + WORD_LENGTH; |
| |
| final TextAppearanceSpan span = new TextAppearanceSpan( |
| FAMILIES[mRandom.nextInt(FAMILIES.length)], |
| STYLES[mRandom.nextInt(STYLES.length)], |
| 24 + mRandom.nextInt(32), // text size. min 24 max 56 |
| TEXT_COLOR, TEXT_COLOR); |
| |
| ssb.setSpan(span, spanStart, spanEnd, Spanned.SPAN_INCLUSIVE_EXCLUSIVE); |
| } |
| return ssb; |
| } |
| |
| @Before |
| public void setUp() { |
| mRandom = new Random(0); |
| } |
| |
| @Test |
| public void testCreate_FixedText_NoStyle_Greedy_NoHyphenation() { |
| final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| final CharSequence text = generateRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT); |
| while (state.keepRunning()) { |
| StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE) |
| .build(); |
| } |
| } |
| |
| @Test |
| public void testCreate_RandomText_NoStyled_Greedy_NoHyphenation() { |
| final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| state.pauseTiming(); |
| final CharSequence text = generateRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT); |
| state.resumeTiming(); |
| |
| StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE) |
| .build(); |
| } |
| } |
| |
| @Test |
| public void testCreate_RandomText_NoStyled_Greedy_Hyphenation() { |
| final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| state.pauseTiming(); |
| final CharSequence text = generateRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT); |
| state.resumeTiming(); |
| |
| StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE) |
| .build(); |
| } |
| } |
| |
| @Test |
| public void testCreate_RandomText_NoStyled_Balanced_NoHyphenation() { |
| final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| state.pauseTiming(); |
| final CharSequence text = generateRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT); |
| state.resumeTiming(); |
| |
| StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED) |
| .build(); |
| } |
| } |
| |
| @Test |
| public void testCreate_RandomText_NoStyled_Balanced_Hyphenation() { |
| final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| state.pauseTiming(); |
| final CharSequence text = generateRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT); |
| state.resumeTiming(); |
| |
| StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED) |
| .build(); |
| } |
| } |
| |
| @Test |
| public void testCreate_RandomText_Styled_Greedy_NoHyphenation() { |
| final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| state.pauseTiming(); |
| final CharSequence text = generateRandomParagraph(WORD_LENGTH, STYLE_TEXT); |
| state.resumeTiming(); |
| |
| StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE) |
| .build(); |
| } |
| } |
| |
| @Test |
| public void testCreate_MeasuredText_NoStyled_Greedy_NoHyphenation() { |
| final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| state.pauseTiming(); |
| final MeasuredText text = new MeasuredText.Builder( |
| generateRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), PAINT) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE) |
| .build(); |
| state.resumeTiming(); |
| |
| StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE) |
| .build(); |
| } |
| } |
| |
| @Test |
| public void testCreate_MeasuredText_NoStyled_Greedy_Hyphenation() { |
| final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| state.pauseTiming(); |
| final MeasuredText text = new MeasuredText.Builder( |
| generateRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), PAINT) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL) |
| .build(); |
| state.resumeTiming(); |
| |
| StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE) |
| .build(); |
| } |
| } |
| |
| @Test |
| public void testCreate_MeasuredText_NoStyled_Balanced_NoHyphenation() { |
| final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| state.pauseTiming(); |
| final MeasuredText text = new MeasuredText.Builder( |
| generateRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), PAINT) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE) |
| .build(); |
| state.resumeTiming(); |
| |
| StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED) |
| .build(); |
| } |
| } |
| |
| @Test |
| public void testCreate_MeasuredText_NoStyled_Balanced_Hyphenation() { |
| final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| state.pauseTiming(); |
| final MeasuredText text = new MeasuredText.Builder( |
| generateRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), PAINT) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL) |
| .build(); |
| state.resumeTiming(); |
| |
| StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NORMAL) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_BALANCED) |
| .build(); |
| } |
| } |
| |
| @Test |
| public void testCreate_MeasuredText_Styled_Greedy_NoHyphenation() { |
| final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| state.pauseTiming(); |
| final MeasuredText text = new MeasuredText.Builder( |
| generateRandomParagraph(WORD_LENGTH, NO_STYLE_TEXT), PAINT) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE) |
| .build(); |
| state.resumeTiming(); |
| |
| StaticLayout.Builder.obtain(text, 0, text.length(), PAINT, TEXT_WIDTH) |
| .setHyphenationFrequency(Layout.HYPHENATION_FREQUENCY_NONE) |
| .setBreakStrategy(Layout.BREAK_STRATEGY_SIMPLE) |
| .build(); |
| } |
| } |
| } |