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Add ability to scan username qr from gallery.

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This commit is contained in:
Cody Henthorne
2024-02-28 12:44:17 -05:00
committed by Alex Hart
parent 6104ef62df
commit 86afa988a0
10 changed files with 255 additions and 21 deletions
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13
qr/lib/src/main/java/org/signal/qr/QrProcessor.kt
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@@ -1,5 +1,6 @@
package org.signal.qr
import android.graphics.Bitmap
import androidx.camera.core.ImageProxy
import com.google.zxing.BinaryBitmap
import com.google.zxing.ChecksumException
@@ -8,10 +9,12 @@ import com.google.zxing.FormatException
import com.google.zxing.LuminanceSource
import com.google.zxing.NotFoundException
import com.google.zxing.PlanarYUVLuminanceSource
import com.google.zxing.RGBLuminanceSource
import com.google.zxing.Result
import com.google.zxing.common.HybridBinarizer
import com.google.zxing.qrcode.QRCodeReader
import org.signal.core.util.logging.Log
import java.nio.IntBuffer
/**
* Wraps [QRCodeReader] for use from API19 or API21+.
@@ -35,6 +38,16 @@ class QrProcessor {
return getScannedData(PlanarYUVLuminanceSource(data, width, height, 0, 0, width, height, false))
}
fun getScannedData(bitmap: Bitmap?): String? {
if (bitmap == null) {
return null
}
val buffer = IntBuffer.allocate((bitmap.byteCount / 4) + 1)
bitmap.copyPixelsToBuffer(buffer)
return getScannedData(RGBLuminanceSource(bitmap.width, bitmap.height, buffer.array()))
}
private fun getScannedData(source: LuminanceSource): String? {
try {
if (source.width != previousWidth || source.height != previousHeight) {