From c906c5bae82cefcaca77d2417713303f10663cef Mon Sep 17 00:00:00 2001
From: Markus Ressel <mail@markusressel.de>
Date: Fri, 12 Jun 2020 17:26:51 +0200
Subject: [PATCH] raise an exception if a drawable without intrinsic dimensions
 is used (#157)

---
 library/src/main/java/com/otaliastudios/zoom/ZoomImageView.kt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/library/src/main/java/com/otaliastudios/zoom/ZoomImageView.kt b/library/src/main/java/com/otaliastudios/zoom/ZoomImageView.kt
index 49dcc8e..adf7151 100644
--- a/library/src/main/java/com/otaliastudios/zoom/ZoomImageView.kt
+++ b/library/src/main/java/com/otaliastudios/zoom/ZoomImageView.kt
@@ -91,6 +91,9 @@ open class ZoomImageView private constructor(
 
     override fun setImageDrawable(drawable: Drawable?) {
         if (drawable != null) {
+            if (drawable.intrinsicWidth == -1 || drawable.intrinsicHeight == -1) {
+                throw IllegalArgumentException("Drawables without intrinsic dimensions (such as a solid color) are not supported")
+            }
             engine.setContentSize(drawable.intrinsicWidth.toFloat(),
                     drawable.intrinsicHeight.toFloat())
         }