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sshtools · Jun 25, 2023 · 9195d45 · 9195d45
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diff --git a/.gitignore b/.gitignore
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+/target/
+/.settings/
+/.classpath
+/.project
diff --git a/README.md b/README.md
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+# JSixel
+
+JNA based Java bindings for libsixel.
+
diff --git a/pom.xml b/pom.xml
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+<!--
+
+    Copyright © 2023 JAdaptive Limited (support@jadaptive.com)
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>com.sshtools</groupId>
+	<artifactId>jsixel</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>jsixel - JNA based Java bindings for libsixel</name>
+	<properties>
+		<maven.compiler.target>17</maven.compiler.target>
+		<maven.compiler.source>17</maven.compiler.source>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+	</properties>
+	<developers>
+		<developer>
+			<id>brett</id>
+			<email>brett@logonbox.com</email>
+		</developer>
+	</developers>
+	<url>https://github.com/sshtools/jsixel</url>
+	<organization>
+		<name>JAdaptive</name>
+		<url>https://jadaptive.com</url>
+	</organization>
+	<inceptionYear>2023</inceptionYear>
+	<description>
+		JNA based Java bindings for libsixel.
+	</description>
+	<dependencies>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>4.13.2</version>
+			<scope>test</scope>
+		</dependency>
+		<dependency>
+			<groupId>net.java.dev.jna</groupId>
+			<artifactId>jna</artifactId>
+			<version>5.13.0</version>
+		</dependency>
+	</dependencies>
+	<distributionManagement>
+		<snapshotRepository>
+			<id>ossrh-sshtools</id>
+			<url>https://oss.sonatype.org/content/repositories/snapshots</url>
+		</snapshotRepository>
+		<repository>
+			<id>ossrh-sshtools</id>
+			<url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
+		</repository>
+	</distributionManagement>
+	<licenses>
+		<license>
+			<name>Apache License Version 2.0</name>
+			<url>http://www.apache.org/licenses/LICENSE-2.0</url>
+			<distribution>repo</distribution>
+		</license>
+	</licenses>
+	<scm>
+		<url>https://github.com/sshtools/jsixel</url>
+		<connection>https://github.com/sshtools/jsixel.git</connection>
+	</scm>
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>com.nativelibs4java</groupId>
+    			<artifactId>maven-jnaerator-plugin</artifactId>
+				<version>0.12</version>
+			</plugin>
+		</plugins>
+		<pluginManagement>
+			<plugins>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-jar-plugin</artifactId>
+					<version>3.2.0</version>
+				</plugin>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-compiler-plugin</artifactId>
+					<version>3.8.1</version>
+				</plugin>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-source-plugin</artifactId>
+					<version>3.1.0</version>
+				</plugin>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-site-plugin</artifactId>
+					<version>3.8.2</version>
+				</plugin>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-release-plugin</artifactId>
+					<version>3.0.0</version>
+				</plugin>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-ant-plugin</artifactId>
+					<version>2.3</version>
+				</plugin>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-javadoc-plugin</artifactId>
+					<version>3.5.0</version>
+					<executions>
+						<execution>
+							<id>javadoc-jar</id>
+							<phase>package</phase>
+							<goals>
+								<goal>jar</goal>
+							</goals>
+						</execution>
+					</executions>
+					<configuration>
+						<encoding>UTF-8</encoding>
+						<detectJavaApiLink>false</detectJavaApiLink>
+						<source>17</source>
+						<doclint>none</doclint>
+						<sourcepath>src/main/java</sourcepath>
+						<includeDependencySources>false</includeDependencySources>
+						<dependencySourceIncludes>
+							<dependencySourceInclude>com.sshtools:*</dependencySourceInclude>
+						</dependencySourceIncludes>
+					</configuration>
+				</plugin>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-gpg-plugin</artifactId>
+					<version>3.1.0</version>
+					<executions>
+						<execution>
+							<id>sign-artifacts</id>
+							<phase>verify</phase>
+							<goals>
+								<goal>sign</goal>
+							</goals>
+						</execution>
+					</executions>
+				</plugin>
+				<plugin>
+					<groupId>com.mycila</groupId>
+					<artifactId>license-maven-plugin</artifactId>
+					<version>2.3</version>
+					<configuration>
+						<header>src/templates/APACHE-2.txt</header>
+						<properties>
+							<owner>JAdaptive Limited</owner>
+							<email>support@jadaptive.com</email>
+						</properties>
+						<excludes>
+							<exclude>**/README</exclude>
+							<exclude>src/test/resources/**</exclude>
+							<exclude>src/main/resources/**</exclude>
+						</excludes>
+					</configuration>
+					<executions>
+						<execution>
+							<goals>
+								<goal>check</goal>
+								<goal>format</goal>
+								<goal>remove</goal>
+							</goals>
+						</execution>
+					</executions>
+				</plugin>
+				<plugin>
+					<groupId>org.sonatype.plugins</groupId>
+					<artifactId>nexus-staging-maven-plugin</artifactId>
+					<version>1.6.13</version>
+					<extensions>true</extensions>
+					<configuration>
+						<serverId>ossrh-sshtools</serverId>
+						<nexusUrl>https://oss.sonatype.org/</nexusUrl>
+						<autoReleaseAfterClose>true</autoReleaseAfterClose>
+						<stagingProgressTimeoutMinutes>10</stagingProgressTimeoutMinutes>
+					</configuration>
+				</plugin>
+			</plugins>
+		</pluginManagement>
+	</build>
+	<profiles>
+		<profile>
+			<id>release-sign-artifacts</id>
+			<activation>
+				<property>
+					<name>performRelease</name>
+					<value>true</value>
+				</property>
+			</activation>
+			<build>
+				<plugins>
+					<plugin>
+						<groupId>org.apache.maven.plugins</groupId>
+						<artifactId>maven-gpg-plugin</artifactId>
+						<executions>
+							<execution>
+								<id>sign-artifacts</id>
+								<phase>verify</phase>
+								<goals>
+									<goal>sign</goal>
+								</goals>
+							</execution>
+						</executions>
+					</plugin>
+					<plugin>
+						<groupId>org.sonatype.plugins</groupId>
+						<artifactId>nexus-staging-maven-plugin</artifactId>
+					</plugin>
+				</plugins>
+			</build>
+		</profile>
+	</profiles>
+</project>
diff --git a/src/main/java/com/sshtools/jsixel/.gitignore b/src/main/java/com/sshtools/jsixel/.gitignore
@@ -0,0 +1 @@
+/Test.java
diff --git a/src/main/java/com/sshtools/jsixel/Decoder.java b/src/main/java/com/sshtools/jsixel/Decoder.java
@@ -0,0 +1,71 @@
+package com.sshtools.jsixel;
+
+import java.io.Closeable;
+import java.io.File;
+import java.nio.ByteBuffer;
+import java.util.HashSet;
+import java.util.Set;
+
+import com.sshtools.jsixel.lib.SixelLibrary;
+import com.sun.jna.Memory;
+import com.sun.jna.Pointer;
+import com.sun.jna.ptr.PointerByReference;
+
+public class Decoder implements Closeable {
+
+	private final PointerByReference enc;
+	private final Set<Memory> allocated = new HashSet<>();
+
+	public Decoder() {
+		enc = new PointerByReference();
+		SixelLibrary.INSTANCE.sixel_encoder_new(enc, (PointerByReference)null);
+	}
+
+	public void opt(char flag) {
+		SixelLibrary.INSTANCE.sixel_encoder_setopt(enc, flag, (Pointer)null);
+	}
+
+	public void opt(char flag, String arg) {
+		SixelLibrary.INSTANCE.sixel_encoder_setopt(enc, flag, arg);
+	}
+
+	public void opt(char flag, int arg) {
+		var memo = new Memory(4);
+		allocated.add(memo);
+		memo.setInt(0, arg);
+		SixelLibrary.INSTANCE.sixel_encoder_setopt(enc, flag, memo);
+	}
+
+	public void opt(char flag, boolean arg) {
+		var memo = new Memory(1);
+		allocated.add(memo);
+		memo.setInt(0, arg ? 1 : 0);
+		SixelLibrary.INSTANCE.sixel_encoder_setopt(enc, flag, memo);
+	}
+
+	public void opt(char flag, long arg) {
+		var memo = new Memory(8);
+		allocated.add(memo);
+		memo.setLong(0, arg);
+		SixelLibrary.INSTANCE.sixel_encoder_setopt(enc, flag, memo);
+	}
+
+	public void encode(File file) {
+		encode(file.getAbsolutePath());
+	}
+
+	public void encode(String file) {
+		SixelLibrary.INSTANCE.sixel_encoder_encode(enc, file);
+	}
+
+	public void encodeBytes(ByteBuffer buf, int width, int height, int pixelFormat, byte[] palette, int ncolors) {
+		SixelLibrary.INSTANCE.sixel_encoder_encode_bytes(enc, buf, width, height, pixelFormat, palette == null ? null : ByteBuffer.wrap(palette), ncolors);
+	}
+
+	@Override
+	public void close() {
+		allocated.forEach(Memory::close);
+		SixelLibrary.INSTANCE.sixel_encoder_unref(enc);
+	}
+
+}
diff --git a/src/main/java/com/sshtools/jsixel/Encoder.java b/src/main/java/com/sshtools/jsixel/Encoder.java
@@ -0,0 +1,71 @@
+package com.sshtools.jsixel;
+
+import java.io.Closeable;
+import java.io.File;
+import java.nio.ByteBuffer;
+import java.util.HashSet;
+import java.util.Set;
+
+import com.sshtools.jsixel.lib.SixelLibrary;
+import com.sun.jna.Memory;
+import com.sun.jna.Pointer;
+import com.sun.jna.ptr.PointerByReference;
+
+public class Encoder implements Closeable {
+
+	private final PointerByReference enc;
+	private final Set<Memory> allocated = new HashSet<>();
+
+	public Encoder() {
+		enc = new PointerByReference();
+		SixelLibrary.INSTANCE.sixel_encoder_new(enc, (PointerByReference)null);
+	}
+
+	public void opt(char flag) {
+		SixelLibrary.INSTANCE.sixel_encoder_setopt(enc, flag, (Pointer)null);
+	}
+
+	public void opt(char flag, String arg) {
+		SixelLibrary.INSTANCE.sixel_encoder_setopt(enc, flag, arg);
+	}
+
+	public void opt(char flag, int arg) {
+		var memo = new Memory(4);
+		allocated.add(memo);
+		memo.setInt(0, arg);
+		SixelLibrary.INSTANCE.sixel_encoder_setopt(enc, flag, memo);
+	}
+
+	public void opt(char flag, boolean arg) {
+		var memo = new Memory(1);
+		allocated.add(memo);
+		memo.setInt(0, arg ? 1 : 0);
+		SixelLibrary.INSTANCE.sixel_encoder_setopt(enc, flag, memo);
+	}
+
+	public void opt(char flag, long arg) {
+		var memo = new Memory(8);
+		allocated.add(memo);
+		memo.setLong(0, arg);
+		SixelLibrary.INSTANCE.sixel_encoder_setopt(enc, flag, memo);
+	}
+
+	public void encode(File file) {
+		encode(file.getAbsolutePath());
+	}
+
+	public void encode(String file) {
+		SixelLibrary.INSTANCE.sixel_encoder_encode(enc, file);
+	}
+
+	public void encodeBytes(ByteBuffer buf, int width, int height, int pixelFormat, byte[] palette, int ncolors) {
+		SixelLibrary.INSTANCE.sixel_encoder_encode_bytes(enc, buf, width, height, pixelFormat, palette == null ? null : ByteBuffer.wrap(palette), ncolors);
+	}
+
+	@Override
+	public void close() {
+		allocated.forEach(Memory::close);
+		SixelLibrary.INSTANCE.sixel_encoder_unref(enc);
+	}
+
+}
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		# JSixel

		JNA based Java bindings for libsixel.