feat: Register font resources with GraalVM native-image resources

Relates to #170

Author: aalmiray

build.gradle

@@ -133,6 +133,16 @@ subprojects { subproj ->
             compileOnly "org.kordamp.jipsy:jipsy-annotations:${jipsyVersion}"
             annotationProcessor "org.kordamp.jipsy:jipsy-processor:${jipsyVersion}"
         }
+
+        tasks.processResources.dependsOn(tasks.register('generateNativeImageResource', org.kordamp.ikonli.gradle.NativeImageResourceGeneratorTask) { t ->
+            String ipn = project.name - 'ikonli-' - '-pack'
+
+            t.outputDirectory.set(file('build/resources/main/META-INF/native-image'))
+            t.groupId.set(project.group)
+            t.artifactId.set(project.name)
+            t.version.set(project."${ipn}Version")
+            t.iconPackName.set(ipn)
+        })
     }
 }
 

buildSrc/build.gradle

@@ -0,0 +1,22 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Copyright 2015-2025 Andres Almiray
+ *
+ * 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.
+ */
+plugins {
+    id 'java-library'
+    id 'groovy'
+}
+

buildSrc/src/main/groovy/org/kordamp/ikonli/gradle/NativeImageResourceGeneratorTask.groovy

@@ -0,0 +1,75 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Copyright 2015-2025 Andres Almiray
+ *
+ * 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.
+ */
+package org.kordamp.ikonli.gradle
+
+import groovy.transform.CompileStatic
+import org.gradle.api.DefaultTask
+import org.gradle.api.file.DirectoryProperty
+import org.gradle.api.model.ObjectFactory
+import org.gradle.api.provider.Property
+import org.gradle.api.tasks.Input
+import org.gradle.api.tasks.OutputDirectory
+import org.gradle.api.tasks.TaskAction
+
+import javax.inject.Inject
+import java.nio.file.Files
+
+@CompileStatic
+class NativeImageResourceGeneratorTask extends DefaultTask {
+    @OutputDirectory
+    final DirectoryProperty outputDirectory
+
+    @Input
+    final Property<String> groupId
+
+    @Input
+    final Property<String> artifactId
+
+    @Input
+    final Property<String> version
+
+    @Input
+    final Property<String> iconPackName
+
+    @Inject
+    NativeImageResourceGeneratorTask(ObjectFactory objects) {
+        outputDirectory = objects.directoryProperty()
+        groupId = objects.property(String)
+        artifactId = objects.property(String)
+        version = objects.property(String)
+        iconPackName = objects.property(String)
+    }
+
+    @TaskAction
+    void generateResourceConfigFile() {
+        File resourceConfig = outputDirectory.get().file("${groupId.get()}/${artifactId.get()}/resources-config.json").asFile
+        Files.createDirectories(resourceConfig.parentFile.toPath())
+
+        resourceConfig.text = """
+{
+  "resources": {
+    "includes": [
+      {
+        "pattern": "META-INF/resources/${iconPackName.get()}/${version.get()}/fonts/*.tff"
+      }
+    ]
+  }
+}      
+"""
+    }
+}