From d162c489bb8e8bfc51490189ac02b8223e292d96 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Leonardo=20Gibrowski=20Fa=C3=A9?= <leonardo.fae44@gmail.com>
Date: Tue, 13 Feb 2024 15:19:34 -0300
Subject: [PATCH] support animated pngs

---
 src/imgproc.rs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/imgproc.rs b/src/imgproc.rs
index 69423514..9f95f49f 100644
--- a/src/imgproc.rs
+++ b/src/imgproc.rs
@@ -1,6 +1,6 @@
 use fast_image_resize::{FilterType, PixelType, Resizer};
 use image::{
-    codecs::{gif::GifDecoder, webp::WebPDecoder},
+    codecs::{gif::GifDecoder, png::PngDecoder, webp::WebPDecoder},
     AnimationDecoder, DynamicImage, Frames, ImageFormat, RgbImage,
 };
 use std::{
@@ -66,6 +66,11 @@ impl ImgBuf {
                             .map_err(|e| format!("failed to decode Webp Image: {e}"))?
                             .has_animation()
                     }
+                    Some(ImageFormat::Png) => {
+                        PngDecoder::new(BufReader::new(File::open(path).unwrap()))
+                            .map_err(|e| format!("failed to decode Png Image: {e}"))?
+                            .is_apng()
+                    }
 
                     _ => false,
                 }
@@ -118,6 +123,10 @@ impl ImgBuf {
                 Some(ImageFormat::WebP) => Ok(WebPDecoder::new(reader)
                     .map_err(|e| format!("failed to decode webp during animation: {e}"))?
                     .into_frames()),
+                Some(ImageFormat::Png) => Ok(PngDecoder::new(reader)
+                    .map_err(|e| format!("failed to decode png during animation: {e}"))?
+                    .apng()
+                    .into_frames()),
                 _ => Err(format!("requested format has no decoder: {img_format:#?}")),
             }
         }