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WIP: add JNI wrappers

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IC Rainbow
2024-10-22 17:14:33 +03:00
parent e76e82634d
commit 0e3d55fc65
6 changed files with 41 additions and 20 deletions
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apps/multiplatform/common/src/androidMain/kotlin/chat/simplex/common/platform/Images.android.kt
+10 -10
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@@ -14,7 +14,9 @@ import boofcv.android.ConvertBitmap
import boofcv.struct.image.GrayU8
import chat.simplex.common.R
import chat.simplex.common.views.helpers.errorBitmap
import chat.simplex.common.views.helpers.generateNewFileName
import chat.simplex.common.views.helpers.getFileName
import chat.simplex.common.views.helpers.removeFile
import java.io.ByteArrayOutputStream
import java.io.InputStream
import java.net.URI
@@ -35,16 +37,14 @@ actual fun base64ToBitmap(base64ImageString: String): ImageBitmap {
}
actual fun resizeImageToStrSize(image: ImageBitmap, maxDataSize: Long): String {
var img = image
var str = compressImageStr(img)
while (str.length > maxDataSize) {
val ratio = sqrt(str.length.toDouble() / maxDataSize.toDouble())
val clippedRatio = min(ratio, 2.0)
val width = (img.width.toDouble() / clippedRatio).toInt()
val height = img.height * width / img.width
img = Bitmap.createScaledBitmap(img.asAndroidBitmap(), width, height, true).asImageBitmap()
str = compressImageStr(img)
}
val tmpFileName = generateNewFileName("IMG", "png", tmpDir)
val tmpFile = File(tmpDir, tmpFileName)
val output = FileOutputStream(tmpFile)
compressImageData(image, true).writeTo(output)
output.flush()
output.close()
var str = chatResizeImageToStrSize(tmpFileName, maxDataSize.toInt())
removeFile(tmpFileName)
return str
}