build.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE project>

<!--
Pngtastic - PNG image optimizer
-->
<project name="pngtastic" default="dist">

	<property file="build.properties" />
	<property name="pngtastic.version" value="1.2" />

	<path id="project.classpath">
		<fileset dir="lib">
			<include name="**/*.jar" />
		</fileset>
	</path>

	<path id="javadoc.classpath">
		<path refid="project.classpath" />
	</path>

	<!--
	Clean up
	-->
	<target name="clean" description="Removes all generated files">
		<delete dir="build" quiet="true" />
	</target>

	<!--
	Compile the code
	-->
	<target name="compile" description="Compiles the code">
		<mkdir dir="build/pngtastic/classes" />
		<javac srcdir="src/main/java" destdir="build/pngtastic/classes" includeantruntime="false" debug="on" source="1.7" target="1.7">
			<classpath refid="project.classpath" />
		</javac>
	</target>

	<!--
	Build the app
	-->
	<target name="dist" description="Builds the app" depends="compile">
		<mkdir dir="build/dist" />
		<jar destfile="build/dist/pngtastic-${pngtastic.version}.jar">
			<fileset dir="build/pngtastic/classes" />
			<manifest>
				<attribute name="Pngtastic-Version" value="${pngtastic.version}" />
			</manifest>
		</jar>
	</target>

	<!--
	Generate javadocs
	-->
	<target name="javadoc">
		<mkdir dir="build/javadoc/api" />
		<javadoc sourcepath="src/main/java" destdir="build/javadoc/api" packagenames="*">
			<classpath refid="javadoc.classpath" />
		</javadoc>
	</target>

	<!--
	Run the pngtastic optimizer ant task on the included images
	-->
	<target name="optimize" depends="dist">
		<taskdef classname="com.googlecode.pngtastic.ant.PngOptimizerTask" classpath="build/dist/pngtastic-${pngtastic.version}.jar" name="pngtastic" />
		<pngtastic todir="build/images" removeGamma="true" compressionLevel="9" loglevel="info">
			<fileset dir="images">
				<include name="optimizer/**/*.png" />
			</fileset>
		</pngtastic>
	</target>

	<target name="optimize-zopfli" depends="dist">
		<taskdef classname="com.googlecode.pngtastic.ant.PngOptimizerTask" classpath="build/dist/pngtastic-${pngtastic.version}.jar" name="pngtastic" />
		<pngtastic todir="build/images" removeGamma="true" compressor="zopfli" loglevel="info">
			<fileset dir="images">
				<include name="optimizer/**/*.png" />
			</fileset>
		</pngtastic>
	</target>

	<!--
	Run the pngtastic optimizer ant task and create data uris on the included images
	-->
	<target name="generateDataUriCss" depends="dist">
		<taskdef classname="com.googlecode.pngtastic.ant.PngOptimizerTask" classpath="build/dist/pngtastic-${pngtastic.version}.jar" name="pngtastic" />
		<pngtastic todir="build/images" generateDataUriCss="true" removeGamma="true" compressionLevel="9" loglevel="info">
			<fileset dir="images">
				<include name="optimizer/pngsuite/**/*.png" />
			</fileset>
		</pngtastic>
	</target>

</project>