Merge pull request #1 from umjammer/0.0.2

update readme

README.md

@@ -6,8 +6,15 @@
 
 # vavi-image-avif
 
-Java AVIF decoder
+Java AVIF decoder<br/>
+wrapped libavif by jna<br/>
+based on https://github.com/AOMediaCodec/libavif/tree/main/android_jni
+
+<img src="https://upload.wikimedia.org/wikipedia/commons/4/45/Avif-logo-rgb.svg" width="256"/>
 
 ## Install
 
-https://jitpack.io/#umjammer/vavi-image-avif
+ * install `libavif` e.g `brew libavif`
+ * https://jitpack.io/#umjammer/vavi-image-avif
+ * add `-Djna.library.path=/usr/local/lib` for jvm args
+

pom.xml

@@ -4,7 +4,7 @@
 
   <groupId>vavi</groupId>
   <artifactId>vavi-image-avif</artifactId>
-  <version>0.0.1</version>
+  <version>0.0.2-SNAPSHOT</version>
 
   <name>Java AVIF Decoder</name>
   <scm>

src/main/java/vavi/awt/image/avif/jna/Avif.java

@@ -91,8 +91,7 @@ private avifDecoder createDecoderAndParse(final Pointer buffer, int length) {
      * @param encoded The encoded AVIF image. encoded.position() must be 0.
      * @param length  Length of the encoded buffer.
      * @param bitmap  The decoded pixels will be copied into the bitmap.
-     * @return true on success and false on failure. A few possible reasons for failure are: 1) Input
-     * was not valid AVIF. 2) Bitmap was not large enough to store the decoded image.
+     * @return the decoded image.
      */
     public BufferedImage decode(ByteBuffer encoded, int length, BufferedImage bitmap) {
         Pointer buffer = Native.getDirectBufferPointer(encoded);

src/test/java/Test1.java

@@ -10,6 +10,7 @@
 import java.io.InputStream;
 import java.nio.ByteBuffer;
 import java.nio.channels.Channels;
+import java.util.Arrays;
 import javax.imageio.ImageIO;
 import javax.swing.JFrame;
 import javax.swing.JPanel;
@@ -18,6 +19,9 @@
 import org.junit.jupiter.api.condition.EnabledIfSystemProperty;
 import vavi.awt.image.avif.jna.Avif;
 
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
 
 /**
  * Test1.
@@ -32,7 +36,7 @@ void test0() throws Exception {
         String file = "/kimono.avif";
         InputStream is = Test1.class.getResourceAsStream(file);
         ByteBuffer bb = ByteBuffer.allocateDirect(is.available());
-        System.err.println("size: " + bb.capacity());
+System.err.println("size: " + bb.capacity());
         int l = 0;
         while (l < bb.capacity()) {
             int r = Channels.newChannel(is).read(bb);
@@ -42,10 +46,10 @@ void test0() throws Exception {
 
         Avif avif = Avif.getInstance();
         boolean r = avif.isAvifImage(bb, bb.capacity());
-        System.err.println("image is avif: " + r);
+System.err.println("image is avif: " + r);
 
         BufferedImage image = avif.getCompatibleImage(bb, bb.capacity());
-        System.err.printf("image: %dx%d%n", image.getWidth(), image.getHeight());
+System.err.printf("image: %dx%d%n", image.getWidth(), image.getHeight());
         avif.decode(bb, bb.capacity(), image);
     }
 
@@ -58,7 +62,7 @@ void test1() throws Exception {
 //        String file = "/data/io/kodim23_yuv420_8bpc.avif";
         InputStream is = Test1.class.getResourceAsStream(file);
         ByteBuffer bb = ByteBuffer.allocateDirect(is.available());
-        System.err.println("size: " + bb.capacity());
+System.err.println("size: " + bb.capacity());
         int l = 0;
         while (l < bb.capacity()) {
             int r = Channels.newChannel(is).read(bb);
@@ -68,10 +72,10 @@ void test1() throws Exception {
 
         Avif avif = Avif.getInstance();
         boolean r = avif.isAvifImage(bb, bb.capacity());
-        System.err.println("image is avif: " + r);
+System.err.println("image is avif: " + r);
 
         BufferedImage image = avif.getCompatibleImage(bb, bb.capacity());
-        System.err.printf("image: %dx%d%n", image.getWidth(), image.getHeight());
+System.err.printf("image: %dx%d%n", image.getWidth(), image.getHeight());
         show(avif.decode(bb, bb.capacity(), image));
         while (true) Thread.yield();
     }
@@ -95,15 +99,17 @@ public void paint(Graphics g) {
     @Test
     void test00() throws Exception {
         String[] rs = ImageIO.getReaderFormatNames();
-        System.err.println("-- reader --");
-        for (String r : rs) {
-            System.err.println(r);
-        }
-        System.err.println("-- writer --");
+System.err.println("-- reader --");
+for (String r : rs) {
+    System.err.println(r);
+}
+        assertTrue(Arrays.asList(rs).contains("AVIF"));
         String[] ws = ImageIO.getWriterFormatNames();
-        for (String w : ws) {
-            System.err.println(w);
-        }
+System.err.println("-- writer --");
+for (String w : ws) {
+    System.err.println(w);
+}
+        assertFalse(Arrays.asList(ws).contains("AVIF"));
     }
 
     @Test