Paul HittandClaude Fable 5.1
2fa430f21c
Every comment is reduced to its first sentence plus @param, @return and @throws tags. Comment lines: 20040 to 8526. ktlint 1.8 applied with its default (official Kotlin) style across all modules; 262 files reformatted. The 264 remaining ktlint findings are naming and filename rules, which are code changes, and are left alone. Comments and formatting only. 1208 tests pass, counted from the XML. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
70 lines
2.5 KiB
Kotlin
70 lines
2.5 KiB
Kotlin
package io.flamenet.e2e
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import java.awt.image.BufferedImage
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import java.io.File
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import javax.imageio.ImageIO
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import kotlin.test.Test
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/**
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* Renders QR codes to PNG so an INDEPENDENT decoder can read them back.
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*/
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class QrCodeRenderForDecodingTest {
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@Test
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fun `render the corpus`() {
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val out = File(System.getProperty("fnmsg.qr.out") ?: "build/qr-corpus")
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out.mkdirs()
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CORPUS.forEachIndexed { index, text ->
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ImageIO.write(render(text, scale = 8, quiet = 4), "png", File(out, "qr-$index.png"))
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File(out, "qr-$index.txt").writeText(text)
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}
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println("wrote ${CORPUS.size} QR images to ${out.absolutePath}")
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}
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private fun render(
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text: String,
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scale: Int,
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quiet: Int,
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): BufferedImage {
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val m = QrCode.encode(text)
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val side = (m.size + quiet * 2) * scale
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val image = BufferedImage(side, side, BufferedImage.TYPE_INT_RGB)
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val g = image.createGraphics()
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g.color = java.awt.Color.WHITE
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g.fillRect(0, 0, side, side)
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g.color = java.awt.Color.BLACK
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for (r in 0 until m.size) {
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for (c in 0 until m.size) {
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if (m[r, c]) g.fillRect((c + quiet) * scale, (r + quiet) * scale, scale, scale)
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}
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}
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g.dispose()
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return image
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}
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companion object {
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/**
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* Chosen to cross every version boundary the encoder supports, because
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* the block layout, the alignment patterns and the version-information
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* block all change with version and each is its own chance to be wrong.
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*/
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val CORPUS: List<String> =
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listOf(
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"flamenet:fnid:kx7q2m", // v1
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"flamenet:fnid:" + "a".repeat(52) + "@relay1.flamenet.io", // a real address
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"flamenet:fnid:" + "b".repeat(52) + "@" + "long".repeat(8) + ".example.com",
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// Exactly full, version by version: data codewords minus the mode
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// nibble and character count.
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"x".repeat(14), // v1
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"x".repeat(26), // v2
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"x".repeat(42), // v3
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"x".repeat(62), // v4
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"x".repeat(84), // v5
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"x".repeat(106), // v6
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"x".repeat(122), // v7, first version with a version-information block
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"x".repeat(152), // v8, two block groups of different sizes
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"x".repeat(180), // v9
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"x".repeat(213), // v10, the largest this encoder makes
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)
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}
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}
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