mirror of
https://github.com/markusfisch/BinaryEye.git
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Export/share generated barcode as JPG
On request. Generally, using a lossless format like PNG makes more sense.
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parent
2e7e9a942b
commit
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@ -46,7 +46,7 @@ import kotlin.math.min
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class BarcodeFragment : Fragment() {
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private enum class FileType {
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PNG, SVG, TXT
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PNG, JPG, SVG, TXT
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}
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private val parentJob = Job()
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@ -214,6 +214,13 @@ class BarcodeFragment : Fragment() {
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barcode.bitmap().saveAsPng(it)
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}
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FileType.JPG -> saveAs(
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addSuffixIfNotGiven(fileName, ".jpg"),
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MIME_JPG
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) {
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barcode.bitmap().saveAsJpg(it)
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}
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FileType.SVG -> saveAs(
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addSuffixIfNotGiven(fileName, ".svg"),
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MIME_SVG
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@ -250,21 +257,28 @@ class BarcodeFragment : Fragment() {
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private fun Context.shareAs(fileType: FileType) {
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when (fileType) {
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FileType.PNG -> share(barcode.bitmap())
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FileType.PNG -> share(barcode.bitmap(), MIME_PNG, "png")
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FileType.JPG -> share(barcode.bitmap(), MIME_JPG, "jpg")
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FileType.SVG -> shareText(barcode.svg(), MIME_SVG)
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FileType.TXT -> shareText(barcode.text())
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}
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}
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private fun Context.share(bitmap: Bitmap) {
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private fun Context.share(bitmap: Bitmap, mimeType: String, ext: String) {
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scope.launch(Dispatchers.IO) {
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val file = File(
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externalCacheDir,
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"shared_barcode.png"
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"shared_barcode.$ext"
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)
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val success = try {
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FileOutputStream(file).use {
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bitmap.saveAsPng(it)
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when (mimeType) {
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MIME_PNG -> bitmap.saveAsPng(it)
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MIME_JPG -> bitmap.saveAsJpg(it)
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else -> throw IllegalArgumentException(
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"Invalid mime type"
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)
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}
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}
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true
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} catch (e: IOException) {
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@ -272,7 +286,7 @@ class BarcodeFragment : Fragment() {
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}
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withContext(Dispatchers.Main) {
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if (success) {
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shareFile(file, "image/png")
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shareFile(file, mimeType)
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} else {
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toast(R.string.error_saving_file)
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}
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@ -289,6 +303,7 @@ class BarcodeFragment : Fragment() {
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private const val EC_LEVEL = "ec_level"
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private const val COLORS = "colors"
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private const val MIME_PNG = "image/png"
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private const val MIME_JPG = "image/jpeg"
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private const val MIME_SVG = "image/svg+xmg"
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private const val MIME_TXT = "text/plain"
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@ -392,6 +407,9 @@ private enum class Colors {
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private fun Bitmap.saveAsPng(outputStream: OutputStream, quality: Int = 90) =
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compress(Bitmap.CompressFormat.PNG, quality, outputStream)
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private fun Bitmap.saveAsJpg(outputStream: OutputStream, quality: Int = 90) =
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compress(Bitmap.CompressFormat.JPEG, quality, outputStream)
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private val fileNameCharacters = "[^A-Za-z0-9]".toRegex()
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private fun encodeFileName(name: String): String = fileNameCharacters
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.replace(name, "_")
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