From a5773d6ab6dd405129e2079cc4c71cc1427c142a Mon Sep 17 00:00:00 2001
From: Svjatoslav Agejenko <svjatoslav@svjatoslav.eu>
Date: Sun, 4 Jun 2023 18:52:59 +0300
Subject: [PATCH] Support for decoding webp images

---
 .../meviz/encoder/FormatsRegistry.java        |  3 +-
 .../meviz/encoder/converters/WebpDecoder.java | 42 +++++++++++++++++++
 .../{Cwebp.java => WebpEncoder.java}          |  5 ++-
 3 files changed, 48 insertions(+), 2 deletions(-)
 create mode 100644 src/main/java/eu/svjatoslav/meviz/encoder/converters/WebpDecoder.java
 rename src/main/java/eu/svjatoslav/meviz/encoder/converters/{Cwebp.java => WebpEncoder.java} (94%)

diff --git a/src/main/java/eu/svjatoslav/meviz/encoder/FormatsRegistry.java b/src/main/java/eu/svjatoslav/meviz/encoder/FormatsRegistry.java
index c0de0fd..4421846 100755
--- a/src/main/java/eu/svjatoslav/meviz/encoder/FormatsRegistry.java
+++ b/src/main/java/eu/svjatoslav/meviz/encoder/FormatsRegistry.java
@@ -22,7 +22,8 @@ public class FormatsRegistry {
 
         // image conversion
         registerEncoder(new Convert());
-        registerEncoder(new Cwebp());
+        registerEncoder(new WebpEncoder());
+        registerEncoder(new WebpDecoder());
 
         // image to text (OCR)
         registerEncoder(new Ocr());
diff --git a/src/main/java/eu/svjatoslav/meviz/encoder/converters/WebpDecoder.java b/src/main/java/eu/svjatoslav/meviz/encoder/converters/WebpDecoder.java
new file mode 100644
index 0000000..8d68562
--- /dev/null
+++ b/src/main/java/eu/svjatoslav/meviz/encoder/converters/WebpDecoder.java
@@ -0,0 +1,42 @@
+/*
+ * Meviz - Various tools collection to work with multimedia. Author: Svjatoslav Agejenko.
+ * This project is released under Creative Commons Zero (CC0) license.
+ */
+
+package eu.svjatoslav.meviz.encoder.converters;
+
+import eu.svjatoslav.meviz.encoder.EncodingOptions;
+
+import java.io.File;
+import java.util.List;
+
+/**
+ * webp decoder.
+ */
+
+public class WebpDecoder extends AbstractConverter {
+
+    @Override
+    public String getCommand(final File inputFile, final File targetFile,
+                             final EncodingOptions options, String targetFormat) {
+
+        return "dwebp \"" + inputFile.getAbsolutePath() + "\" -o \"" +
+                targetFile.getAbsolutePath() + "\"";
+    }
+
+    @Override
+    public List<String> getTargetFileExtensions() {
+        return toList("png");
+    }
+
+    @Override
+    public List<String> getSourceFileExtensions() {
+        return toList("webp");
+    }
+
+    @Override
+    public boolean isTerminalMandatory() {
+        return false;
+    }
+
+}
diff --git a/src/main/java/eu/svjatoslav/meviz/encoder/converters/Cwebp.java b/src/main/java/eu/svjatoslav/meviz/encoder/converters/WebpEncoder.java
similarity index 94%
rename from src/main/java/eu/svjatoslav/meviz/encoder/converters/Cwebp.java
rename to src/main/java/eu/svjatoslav/meviz/encoder/converters/WebpEncoder.java
index ca329e0..f3ac18e 100644
--- a/src/main/java/eu/svjatoslav/meviz/encoder/converters/Cwebp.java
+++ b/src/main/java/eu/svjatoslav/meviz/encoder/converters/WebpEncoder.java
@@ -10,7 +10,10 @@ import eu.svjatoslav.meviz.encoder.EncodingOptions;
 import java.io.File;
 import java.util.List;
 
-public class Cwebp extends AbstractConverter {
+/**
+ * webp encoder.
+ */
+public class WebpEncoder extends AbstractConverter {
 
     @Override
     public String getCommand(final File inputFile, final File targetFile,
-- 
2.20.1