| /* |
| * 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.graphics.perftests; |
| |
| import android.graphics.Canvas; |
| import android.perftests.utils.BenchmarkState; |
| import android.perftests.utils.PerfStatusReporter; |
| import android.text.TextPaint; |
| |
| import androidx.test.filters.LargeTest; |
| |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| |
| @LargeTest |
| @RunWith(Parameterized.class) |
| public class PaintMeasureTextTest { |
| |
| private static final int USE_CACHE = 0; |
| private static final int DONT_USE_CACHE = 1; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static Collection measureSpecs() { |
| return Arrays.asList(new Object[][] { |
| { "alphabet_cached", USE_CACHE, "a" }, |
| { "alphabet_not_cached", DONT_USE_CACHE, "a" }, |
| // U+4E80 is an ideograph. |
| { "ideograph_cached", USE_CACHE, "\u4E80" }, |
| { "ideograph_not_cached", DONT_USE_CACHE, "\u4E80" }, |
| // U+20B9F(\uD842\uDF9F) is an ideograph. |
| { "surrogate_pairs_cached", USE_CACHE, "\uD842\uDF9F" }, |
| { "surrogate_pairs_not_cached", DONT_USE_CACHE, "\uD842\uDF9F" }, |
| // U+303D is PART ALTERNATION MARK |
| { "emoji_cached", USE_CACHE, "\u231A" }, |
| { "emoji_not_cached", DONT_USE_CACHE, "\u231A" }, |
| // U+1F368(\uD83C\uDF68) is ICE CREAM |
| { "emoji_surrogate_pairs_cached", USE_CACHE, "\uD83C\uDF68" }, |
| { "emoji_surrogate_pairs_not_cached", DONT_USE_CACHE, "\uD83C\uDF68" }, |
| }); |
| } |
| |
| private final String mText; |
| private final int mCacheMode; |
| |
| public PaintMeasureTextTest(String key, int cacheMode, String text) { |
| mText = text; |
| mCacheMode = cacheMode; |
| } |
| |
| @Rule |
| public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter(); |
| |
| @Test |
| public void testMeasureTextPerf() { |
| TextPaint paint = new TextPaint(); |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| |
| if (mCacheMode == USE_CACHE) { |
| paint.measureText(mText); |
| } else { |
| Canvas.freeTextLayoutCaches(); |
| } |
| |
| while (state.keepRunning()) { |
| if (mCacheMode == DONT_USE_CACHE) { |
| state.pauseTiming(); |
| Canvas.freeTextLayoutCaches(); |
| state.resumeTiming(); |
| } |
| |
| paint.measureText(mText); |
| } |
| } |
| } |