chore(build): update to Gradle 8.12 and set CI to use JDK 17 (#308)

Upgraded the build system to Gradle 8.12 and updated the CI pipeline to use JDK 17 for improved compatibility and performance.

Author: SpaiR

.github/workflows/ci.yml

@@ -24,7 +24,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: liberica
-          java-version: 11
+          java-version: 17
 
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v4
@@ -71,7 +71,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: liberica
-          java-version: 11
+          java-version: 17
 
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v4
@@ -158,7 +158,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: liberica
-          java-version: 11
+          java-version: 17
 
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v4

build.gradle

@@ -7,8 +7,8 @@ ext {
 }
 
 allprojects {
-    group 'imgui-java'
-    version 'git describe --tags --always'.execute().text.trim().substring(1)
+    group = 'imgui-java'
+    version = 'git describe --tags --always'.execute().text.trim().substring(1)
 
     repositories {
         mavenCentral()
@@ -21,16 +21,19 @@ allprojects {
                 into 'META-INF'
             }
 
+            def jdkMetadata = tasks.withType(JavaCompile).find().javaCompiler.get().metadata
+            def buildJdk = "${jdkMetadata.javaRuntimeVersion} (${jdkMetadata.vendor})".toString()
+
             manifest {
                 attributes (
                         'Implementation-Title': project.name,
                         'Implementation-Version': project.version,
                         'Build-Timestamp': new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ").format(System.currentTimeMillis()),
                         'Build-Revision': 'git rev-parse HEAD'.execute().text.trim(),
-                        'Build-Jdk': "${System.getProperty('java.version')} (${System.getProperty('java.vendor')})",
+                        'Build-Jdk': buildJdk,
                         'Source-Compatibility': tasks.withType(JavaCompile).find().sourceCompatibility,
                         'Target-Compatibility': tasks.withType(JavaCompile).find().targetCompatibility,
-                        'Created-By': "Gradle ${gradle.gradleVersion}"
+                        'Created-By': "Gradle ${gradle.gradleVersion} "
                 )
             }
         }

example/src/main/java/ExampleCanvasEditor.java

@@ -65,9 +65,9 @@ public static void show(final ImBoolean showCanvaWindow) {
             ImGuiIO io = ImGui.getIO();
             ImDrawList drawList = ImGui.getWindowDrawList();
             drawList.addRectFilled(canvasP0.x, canvasP0.y, canvasP1.x, canvasP1.y,
-                ImColor.intToColor(50, 50, 50, 255));
+                ImColor.rgba(50, 50, 50, 255));
             drawList.addRect(canvasP0.x, canvasP0.y, canvasP1.x, canvasP1.y,
-                ImColor.intToColor(255, 255, 255, 255));
+                ImColor.rgba(255, 255, 255, 255));
 
             // This will catch our interactions
             ImGui.invisibleButton("canvas", canvasSize.x, canvasSize.y,
@@ -112,27 +112,27 @@ public static void show(final ImBoolean showCanvaWindow) {
             float GRID_STEP = 64.0f;
             for (float x = fmodf(scrolling.x, GRID_STEP); x < canvasSize.x; x += GRID_STEP) {
                 drawList.addLine(canvasP0.x + x, canvasP0.y, canvasP0.x + x, canvasP1.y,
-                    ImColor.intToColor(200, 200, 200, 40));
+                    ImColor.rgba(200, 200, 200, 40));
             }
             for (float y = fmodf(scrolling.y, GRID_STEP); y < canvasSize.y; y += GRID_STEP) {
                 drawList.addLine(canvasP0.x, canvasP0.y + y, canvasP1.x, canvasP0.y + y,
-                    ImColor.intToColor(200, 200, 200, 40));
+                    ImColor.rgba(200, 200, 200, 40));
             }
             for (int n = 0; n < pointList.size(); n += 2) {
                 drawList.addLine(origin.x + pointList.get(n).x, origin.y + pointList.get(n).y,
                     origin.x + pointList.get(n + 1).x, origin.y + pointList.get(n + 1).y,
-                    ImColor.intToColor(255, 255, 0, 255), thickness);
+                    ImColor.rgba(255, 255, 0, 255), thickness);
             }
             drawList.popClipRect();
 
             // Menu properties
             if (ImGui.beginPopup("context")) {
                 addingLine = false;
-                if (ImGui.menuItem("Remove one", "", false, pointList.size() > 0)) {
+                if (ImGui.menuItem("Remove one", "", false, !pointList.isEmpty())) {
                     pointList.remove(pointList.size() - 1);
                     pointList.remove(pointList.size() - 1);
                 }
-                if (ImGui.menuItem("Remove all", "", false, pointList.size() > 0)) {
+                if (ImGui.menuItem("Remove all", "", false, !pointList.isEmpty())) {
                     pointList.clear();
                 }
                 ImGui.endPopup();

gradle/wrapper/gradle-wrapper.jar

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.10.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.12-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

gradle/wrapper/gradle-wrapper.properties

@@ -15,8 +15,9 @@ java {
 }
 
 dependencies {
-    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.11.3'
-    testImplementation 'org.junit.jupiter:junit-jupiter-engine:5.11.3'
+    testImplementation("org.junit.jupiter:junit-jupiter-api:5.11.3")
+    testImplementation("org.junit.jupiter:junit-jupiter-engine:5.11.3")
+    testRuntimeOnly("org.junit.platform:junit-platform-launcher")
 }
 
 test {
@@ -53,7 +54,7 @@ jar {
 processResources {
     filesMatching('**/imgui-java.properties') {
         filter(ReplaceTokens, tokens: [
-                'version': project.version
+                'version': version
         ])
     }
 }