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107 changes: 107 additions & 0 deletions
107
...uild/roborazzi-core/src/commonJvmMain/kotlin/com/github/takahirom/roborazzi/JvmImageIo.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| package com.github.takahirom.roborazzi | ||
|
|
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| import com.luciad.imageio.webp.WebPWriteParam | ||
| import java.awt.image.BufferedImage | ||
| import java.awt.image.RenderedImage | ||
| import java.io.File | ||
| import javax.imageio.IIOImage | ||
| import javax.imageio.ImageIO | ||
| import javax.imageio.ImageTypeSpecifier | ||
| import javax.imageio.ImageWriteParam | ||
| import javax.imageio.ImageWriter | ||
| import javax.imageio.metadata.IIOMetadata | ||
| import javax.imageio.metadata.IIOMetadataFormatImpl | ||
| import javax.imageio.metadata.IIOMetadataNode | ||
| import javax.imageio.stream.FileImageOutputStream | ||
|
|
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| fun interface AwtImageWriter { | ||
| fun write( | ||
| dest: File, | ||
| contextData: Map<String, Any>, | ||
| bufferedImage: BufferedImage | ||
| ) | ||
| } | ||
|
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| fun interface AwtImageLoader { | ||
| fun load(file: File): BufferedImage | ||
| } | ||
|
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| open class JvmPlatformRecordOptions( | ||
| val awtImageWriter: AwtImageWriter = AwtImageWriter { file, contextData, scaledBufferedImage -> | ||
| val imageExtension = file.extension.ifBlank { "png" } | ||
| if (contextData.isEmpty()) { | ||
| ImageIO.write( | ||
| scaledBufferedImage, | ||
| imageExtension, | ||
| file | ||
| ) | ||
| return@AwtImageWriter | ||
| } | ||
| val writer = getWriter(scaledBufferedImage, imageExtension) | ||
| val meta = writer.writeMetadata(contextData, scaledBufferedImage) | ||
| writer.output = ImageIO.createImageOutputStream(file) | ||
| writer.write(IIOImage(scaledBufferedImage, null, meta)) | ||
| }, | ||
| var awtImageLoader: AwtImageLoader = AwtImageLoader { ImageIO.read(it) } | ||
| ) : PlatformRecordOptions | ||
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| @ExperimentalRoborazziApi | ||
| fun getWriter(renderedImage: RenderedImage, extension: String): ImageWriter { | ||
| val typeSpecifier = ImageTypeSpecifier.createFromRenderedImage(renderedImage) | ||
| val iterator: Iterator<*> = ImageIO.getImageWriters(typeSpecifier, extension) | ||
| return if (iterator.hasNext()) { | ||
| iterator.next() as ImageWriter | ||
| } else { | ||
| throw IllegalArgumentException("No ImageWriter found for $extension") | ||
| } | ||
| } | ||
|
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| @ExperimentalRoborazziApi | ||
| fun ImageWriter.writeMetadata( | ||
| contextData: Map<String, Any>, | ||
| bufferedImage: BufferedImage, | ||
| ): IIOMetadata? { | ||
| val meta = getDefaultImageMetadata(ImageTypeSpecifier(bufferedImage), null) ?: run { | ||
| // If we use WebP, it seems that we can't get the metadata | ||
| return null | ||
| } | ||
|
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| val root = IIOMetadataNode(IIOMetadataFormatImpl.standardMetadataFormatName) | ||
| contextData.forEach { (key, value) -> | ||
| val textEntry = IIOMetadataNode("TextEntry") | ||
| textEntry.setAttribute("keyword", key) | ||
| textEntry.setAttribute("value", value.toString()) | ||
| val text = IIOMetadataNode("Text") | ||
| text.appendChild(textEntry) | ||
| root.appendChild(text) | ||
| } | ||
|
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| meta.mergeTree(IIOMetadataFormatImpl.standardMetadataFormatName, root) | ||
| return meta | ||
| } | ||
|
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| /** | ||
| * Add testImplementation("io.github.darkxanter:webp-imageio:0.3.0") to use this | ||
| */ | ||
| fun losslessWebPSaver(): AwtImageWriter = | ||
| AwtImageWriter { file, context, bufferedImage -> | ||
| val writer: ImageWriter = | ||
| ImageIO.getImageWritersByMIMEType("image/webp").next() | ||
| try { | ||
| val writeParam = WebPWriteParam(writer.getLocale()) | ||
| writeParam.compressionMode = ImageWriteParam.MODE_EXPLICIT | ||
| writeParam.compressionType = | ||
| writeParam.getCompressionTypes() | ||
| .get(WebPWriteParam.LOSSLESS_COMPRESSION) | ||
|
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| writer.setOutput(FileImageOutputStream(file)) | ||
|
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| writer.write(null, IIOImage(bufferedImage, null, null), writeParam) | ||
| } catch (e: NoClassDefFoundError) { | ||
| throw IllegalStateException("Add testImplementation(\"io.github.darkxanter:webp-imageio:0.3.0\") to use this") | ||
| } finally { | ||
| writer.dispose() | ||
| } | ||
| } |
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3 changes: 3 additions & 0 deletions
3
...orazzi-core/src/commonMain/kotlin/com/github/takahirom/roborazzi/PlatformRecordOptions.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| package com.github.takahirom.roborazzi | ||
|
|
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| interface PlatformRecordOptions |
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