From 85f957abd210f79a8bfca19a52770ebde4cbaa1a Mon Sep 17 00:00:00 2001
From: Avently <7953703+avently@users.noreply.github.com>
Date: Mon, 17 Oct 2022 13:20:13 +0300
Subject: [PATCH] Alpha in preview image

---
 .../main/java/chat/simplex/app/views/chat/ComposeImageView.kt | 1 -
 .../main/java/chat/simplex/app/views/helpers/GetImageView.kt  | 4 +++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/apps/android/app/src/main/java/chat/simplex/app/views/chat/ComposeImageView.kt b/apps/android/app/src/main/java/chat/simplex/app/views/chat/ComposeImageView.kt
index 026940cafc..848cfc0488 100644
--- a/apps/android/app/src/main/java/chat/simplex/app/views/chat/ComposeImageView.kt
+++ b/apps/android/app/src/main/java/chat/simplex/app/views/chat/ComposeImageView.kt
@@ -10,7 +10,6 @@ import androidx.compose.material.icons.outlined.Close
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.asImageBitmap
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
diff --git a/apps/android/app/src/main/java/chat/simplex/app/views/helpers/GetImageView.kt b/apps/android/app/src/main/java/chat/simplex/app/views/helpers/GetImageView.kt
index cd01e60c7d..66dfbf763b 100644
--- a/apps/android/app/src/main/java/chat/simplex/app/views/helpers/GetImageView.kt
+++ b/apps/android/app/src/main/java/chat/simplex/app/views/helpers/GetImageView.kt
@@ -65,7 +65,9 @@ fun resizeImageToStrSize(image: Bitmap, maxDataSize: Long): String {
 }
 
 private fun compressImageStr(bitmap: Bitmap): String {
-  return "data:image/jpg;base64," + Base64.encodeToString(compressImageData(bitmap, false).toByteArray(), Base64.NO_WRAP)
+  val usePng = bitmap.hasAlpha()
+  val ext = if (usePng) "png" else "jpg"
+  return "data:image/$ext;base64," + Base64.encodeToString(compressImageData(bitmap, usePng).toByteArray(), Base64.NO_WRAP)
 }
 
 fun resizeImageToDataSize(image: Bitmap, usePng: Boolean, maxDataSize: Long): ByteArrayOutputStream {