Move UriGlideRenderer to lib:image-editor.

core/util/src/main/java/org/signal/core/util/BitmapExtensions.kt

@@ -0,0 +1,36 @@
+/*
+ * Copyright 2026 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.signal.core.util
+
+import android.graphics.Bitmap
+import androidx.core.graphics.scale
+
+/**
+ * Creates a scaled bitmap with the given maximum dimensions while maintaining the original aspect ratio.
+ */
+fun Bitmap.scaleWithAspectRatio(maxWidth: Int, maxHeight: Int): Bitmap {
+  if (getWidth() <= maxWidth && getHeight() <= maxHeight) {
+    return this
+  }
+
+  if (maxWidth <= 0 || maxHeight <= 0) {
+    return this
+  }
+
+  var newWidth = maxWidth
+  var newHeight = maxHeight
+
+  val widthRatio: Float = getWidth() / maxWidth.toFloat()
+  val heightRatio: Float = getHeight() / maxHeight.toFloat()
+
+  if (widthRatio > heightRatio) {
+    newHeight = (getHeight() / widthRatio).toInt()
+  } else {
+    newWidth = (getWidth() / heightRatio).toInt()
+  }
+
+  return scale(newWidth, newHeight)
+}