Optimizes Blurhash generation

benchmark/src/androidTest/java/com/vitorpamplona/amethyst/benchmark/BlurhashBenchmark.kt

@@ -0,0 +1,56 @@
+/**
+ * Copyright (c) 2024 Vitor Pamplona
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
+ * Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+package com.vitorpamplona.amethyst.benchmark
+
+import androidx.benchmark.junit4.BenchmarkRule
+import androidx.benchmark.junit4.measureRepeated
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import com.vitorpamplona.amethyst.commons.preview.BlurHashDecoder
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class BlurhashBenchmark {
+    @get:Rule
+    val benchmarkRule = BenchmarkRule()
+
+    val warmHex = "[45#Y7_2^-xt%OSb%4S0-qt0xbotaRInV|M{RlD~M{M_IVIUNHM{M{M{M{RjNGRkoyj]o[t8tPt8"
+    val testHex = "|NHL-]~pabocs+jDM{j?of4T9ZR+WBWZbdR-WCog04ITn\$t6t6t6t6oJoLZ}?bIUWBs:M{WCogRjs:s+o#R+WBoft7axWBx]IV%LogM{t5xaWBay%KRjxus.WCNGWWt7j[j]s+R-S5ofjYV@j[ofD%t8RPoJt7t7R*WCof"
+
+    @Test
+    fun testAspectRatio() {
+        BlurHashDecoder.aspectRatio(warmHex)
+
+        benchmarkRule.measureRepeated {
+            BlurHashDecoder.aspectRatio(testHex)
+        }
+    }
+
+    @Test
+    fun testDecoder() {
+        BlurHashDecoder.decodeKeepAspectRatio(warmHex, 50)
+
+        benchmarkRule.measureRepeated {
+            BlurHashDecoder.decodeKeepAspectRatio(testHex, 50)
+        }
+    }
+}