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Add support and a test for image transparency (#2255)
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158 changes: 158 additions & 0 deletions
158
tiles/src/test/java/com/google/android/horologist/tiles/TileScreenshotTest.kt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,158 @@ | ||
| /* | ||
| * Copyright 2024 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 | ||
| * | ||
| * https://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. | ||
| */ | ||
|
|
||
| @file:Suppress("UnstableApiUsage", "DEPRECATION") | ||
|
|
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| package com.google.android.horologist.tiles | ||
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|
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| import android.content.Context | ||
| import android.graphics.Bitmap | ||
| import android.graphics.BitmapFactory | ||
| import android.graphics.Color | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.ui.platform.LocalContext | ||
| import androidx.wear.protolayout.ColorBuilders.argb | ||
| import androidx.wear.protolayout.DeviceParametersBuilders.DeviceParameters | ||
| import androidx.wear.protolayout.DimensionBuilders.dp | ||
| import androidx.wear.protolayout.DimensionBuilders.expand | ||
| import androidx.wear.protolayout.LayoutElementBuilders | ||
| import androidx.wear.protolayout.LayoutElementBuilders.Box | ||
| import androidx.wear.protolayout.LayoutElementBuilders.CONTENT_SCALE_MODE_FIT | ||
| import androidx.wear.protolayout.LayoutElementBuilders.Image | ||
| import androidx.wear.protolayout.ModifiersBuilders.Background | ||
| import androidx.wear.protolayout.ModifiersBuilders.Modifiers | ||
| import androidx.wear.protolayout.ResourceBuilders | ||
| import androidx.wear.protolayout.material.Text | ||
| import androidx.wear.protolayout.material.Typography | ||
| import androidx.wear.protolayout.material.layouts.PrimaryLayout | ||
| import com.google.android.horologist.compose.tools.TileLayoutPreview | ||
| import com.google.android.horologist.screenshots.rng.WearDevice | ||
| import com.google.android.horologist.screenshots.rng.WearScreenshotTest | ||
| import com.google.android.horologist.tiles.images.toImageResource | ||
| import com.google.android.horologist.tiles.render.SingleTileLayoutRenderer | ||
| import org.junit.Test | ||
|
|
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| class TileScreenshotTest : WearScreenshotTest() { | ||
|
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| override fun testName(suffix: String): String = | ||
| "src/test/screenshots/" + | ||
| "${javaClass.simpleName}_" + | ||
| "${testInfo.methodName}_" + | ||
| "${super.device?.id ?: WearDevice.GenericLargeRound.id}" + | ||
| "$suffix.png" | ||
|
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| @Composable | ||
| override fun TestScaffold(content: @Composable () -> Unit) { | ||
| content() | ||
| } | ||
|
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| @Test | ||
| fun imageArgb8888() { | ||
| // https://en.wikipedia.org/wiki/File:PNG_transparency_demonstration_1.png | ||
| val bitmap = | ||
| BitmapFactory.decodeFile("src/test/resources/PNG_transparency_demonstration_1.png") | ||
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| runTest { | ||
| val context = LocalContext.current | ||
|
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| TileLayoutPreview( | ||
| state = Unit, | ||
| resourceState = Unit, | ||
| renderer = TestImageTileRenderer( | ||
| context = context, | ||
| bitmap = bitmap, | ||
| ), | ||
| ) | ||
| } | ||
| } | ||
|
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| @Test | ||
| fun imageRgb565() { | ||
| // https://en.wikipedia.org/wiki/File:PNG_transparency_demonstration_1.png | ||
| val bitmap = | ||
| BitmapFactory.decodeFile("src/test/resources/PNG_transparency_demonstration_1.png") | ||
| .copy(Bitmap.Config.RGB_565, false) | ||
|
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| runTest { | ||
| val context = LocalContext.current | ||
|
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| TileLayoutPreview( | ||
| state = Unit, | ||
| resourceState = Unit, | ||
| renderer = TestImageTileRenderer( | ||
| context = context, | ||
| bitmap = bitmap, | ||
| ), | ||
| ) | ||
| } | ||
| } | ||
|
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| class TestImageTileRenderer( | ||
| context: Context, | ||
| val bitmap: Bitmap, | ||
| ) : SingleTileLayoutRenderer<Unit, Unit>(context) { | ||
| override fun renderTile( | ||
| state: Unit, | ||
| deviceParameters: DeviceParameters, | ||
| ): LayoutElementBuilders.LayoutElement { | ||
| return Box.Builder() | ||
| .setHeight(expand()) | ||
| .setWidth(expand()) | ||
| .setModifiers( | ||
| Modifiers.Builder() | ||
| .setBackground( | ||
| Background.Builder() | ||
| .setColor(argb(Color.DKGRAY)) | ||
| .build(), | ||
| ) | ||
| .build(), | ||
| ) | ||
| .addContent( | ||
| PrimaryLayout.Builder(deviceParameters) | ||
| .setContent( | ||
| Image.Builder() | ||
| .setContentScaleMode(CONTENT_SCALE_MODE_FIT) | ||
| .setResourceId("dice") | ||
| .setWidth(expand()) | ||
| .setHeight(dp(130f)) | ||
| .build(), | ||
| ) | ||
| .setPrimaryLabelTextContent( | ||
| Text.Builder( | ||
| context, | ||
| when (bitmap.config) { | ||
| Bitmap.Config.ARGB_8888 -> "ARGB_8888" | ||
| Bitmap.Config.RGB_565 -> "RGB_565" | ||
| else -> "UNDEFINED" | ||
| }, | ||
| ) | ||
| .setColor(argb(Color.WHITE)) | ||
| .setTypography(Typography.TYPOGRAPHY_BODY2) | ||
| .build(), | ||
| ).build(), | ||
| ) | ||
| .build() | ||
| } | ||
|
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| override fun ResourceBuilders.Resources.Builder.produceRequestedResources( | ||
| resourceState: Unit, | ||
| deviceParameters: DeviceParameters, | ||
| resourceIds: List<String>, | ||
| ) { | ||
| addIdToImageMapping("dice", bitmap.toImageResource()) | ||
| } | ||
| } | ||
| } |
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3 changes: 3 additions & 0 deletions
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tiles/src/test/screenshots/TileScreenshotTest_imageArgb8888_large_round.png
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3 changes: 3 additions & 0 deletions
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tiles/src/test/screenshots/TileScreenshotTest_imageRgb565_large_round.png
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