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speedup BitMatrix.toBitmap #14

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Merged
simonsickle merged 1 commit into from
Jan 6, 2023
Merged

speedup BitMatrix.toBitmap #14

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14 changes: 6 additions & 8 deletions composed-barcodes/src/main/kotlin/com/simonsickle/compose/barcodes/BarcodeType.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -24,16 +24,14 @@ enum class BarcodeType(private val barcodeFormat: BarcodeFormat) {

private fun BitMatrix.toBitmap(): Bitmap {
return Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888).apply {
for (x in 0 until width) {
for (y in 0 until height) {
val pixelColor = if (get(x, y)) {
android.graphics.Color.BLACK
} else {
android.graphics.Color.WHITE
}
setPixel(x, y, pixelColor)
val pixels = IntArray(width * height)
for (y in 0 until height) {
val offset = y * width
for (x in 0 until width) {
pixels[offset + x] = if (get(x, y)) android.graphics.Color.BLACK else android.graphics.Color.WHITE
}
}
setPixels(pixels, 0, width, 0, 0, width, height)
}
}

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