From a63d2395f020fcf2f2292ad292d4e3e1c68b6c5c Mon Sep 17 00:00:00 2001
From: Antoine Aflalo <197810+Belphemur@users.noreply.github.com>
Date: Wed, 28 Aug 2024 11:51:06 -0400
Subject: [PATCH] fix(webp): better handling of error for page too big for webp

---
 converter/webp/webp_converter.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/converter/webp/webp_converter.go b/converter/webp/webp_converter.go
index 2fb64b2..f89c2cd 100644
--- a/converter/webp/webp_converter.go
+++ b/converter/webp/webp_converter.go
@@ -17,6 +17,8 @@ import (
 	"sync/atomic"
 )
 
+const webpMaxHeight = 16383
+
 type Converter struct {
 	maxHeight  int
 	cropHeight int
@@ -202,6 +204,9 @@ func (converter *Converter) checkPageNeedsSplit(page *manga.Page) (bool, image.I
 	bounds := img.Bounds()
 	height := bounds.Dy()
 
+	if height >= converter.maxHeight {
+		return false, img, format, fmt.Errorf("page[%d] height %d exceeds maximum height %d of webp format", page.Index, height, converter.maxHeight)
+	}
 	return height >= converter.maxHeight, img, format, nil
 }