dandri/simplex-chat
1
0
Fork 0
mirror of https://github.com/simplex-chat/simplex-chat.git synced 2026-04-26 13:08:02 +00:00
Code Issues Packages Projects Releases Wiki Activity

android, desktop: constrain image sizes for previews (#6726)

Browse Source 
* android, desktop: constrain image sizes for previews

* use correct JSON parser

* more JSON fixes

* constrain ratio in image decoder

* constrain max height in layout

---------

Co-authored-by: Evgeny @ SimpleX Chat <259188159+evgeny-simplex@users.noreply.github.com>
This commit is contained in:
Evgeny
2026-03-30 12:24:16 +01:00
committed by GitHub
parent 47f82c10da
commit c3663ae285
4 changed files with 30 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
apps/multiplatform/common/src/androidMain/kotlin/chat/simplex/common/platform/Images.android.kt
View File

@@ -21,12 +21,19 @@ import java.net.URI
import kotlin.math.min
import kotlin.math.sqrt
private const val MAX_IMAGE_DIMENSION = 4320
actual fun base64ToBitmap(base64ImageString: String): ImageBitmap {
val imageString = base64ImageString
.removePrefix("data:image/png;base64,")
.removePrefix("data:image/jpg;base64,")
return try {
val imageBytes = Base64.decode(imageString, Base64.NO_WRAP)
val options = BitmapFactory.Options().apply { inJustDecodeBounds = true }
BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.size, options)
if (options.outWidth <= 0 || options.outHeight <= 0 || options.outWidth > MAX_IMAGE_DIMENSION || options.outHeight > MAX_IMAGE_DIMENSION || options.outHeight > options.outWidth * 256) {
return errorBitmap.asImageBitmap()
}
BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.size).asImageBitmap()
} catch (e: Exception) {
Log.e(TAG, "base64ToBitmap error: $e")