import imgui.ImFontConfig; import imgui.ImFontGlyphRangesBuilder; import imgui.ImGui; import imgui.ImGuiIO; import imgui.app.Application; import imgui.app.Configuration; import imgui.flag.ImGuiConfigFlags; import imgui.flag.ImGuiInputTextFlags; import imgui.flag.ImGuiWindowFlags; import imgui.type.ImString; import java.io.IOException; import java.net.URISyntaxException; import java.nio.file.Files; import java.nio.file.Paths; public class Main extends Application { private final ImString str = new ImString(5); private final float[] flt = new float[1]; private int count = 0; @Override protected void configure(final Configuration config) { config.setTitle("Example Application"); } @Override protected void initImGui(final Configuration config) { super.initImGui(config); final ImGuiIO io = ImGui.getIO(); io.setIniFilename(null); // We don't want to save .ini file io.addConfigFlags(ImGuiConfigFlags.NavEnableKeyboard); // Enable Keyboard Controls io.addConfigFlags(ImGuiConfigFlags.DockingEnable); // Enable Docking io.addConfigFlags(ImGuiConfigFlags.ViewportsEnable); // Enable Multi-Viewport / Platform Windows io.setConfigViewportsNoTaskBarIcon(true); initFonts(io); } /** * Example of fonts configuration * For more information read: https://github.com/ocornut/imgui/blob/33cdbe97b8fd233c6c12ca216e76398c2e89b0d8/docs/FONTS.md */ private void initFonts(final ImGuiIO io) { // This enables FreeType font renderer, which is disabled by default. io.getFonts().setFreeTypeRenderer(true); // Add default font for latin glyphs io.getFonts().addFontDefault(); // You can use the ImFontGlyphRangesBuilder helper to create glyph ranges based on text input. // For example: for a game where your script is known, if you can feed your entire script to it (using addText) and only build the characters the game needs. // Here we are using it just to combine all required glyphs in one place final ImFontGlyphRangesBuilder rangesBuilder = new ImFontGlyphRangesBuilder(); // Glyphs ranges provide rangesBuilder.addRanges(io.getFonts().getGlyphRangesDefault()); rangesBuilder.addRanges(io.getFonts().getGlyphRangesCyrillic()); rangesBuilder.addRanges(io.getFonts().getGlyphRangesJapanese()); rangesBuilder.addRanges(FontAwesomeIcons._IconRange); // Font config for additional fonts // This is a natively allocated struct so don't forget to call destroy after atlas is built final ImFontConfig fontConfig = new ImFontConfig(); fontConfig.setMergeMode(true); // Enable merge mode to merge cyrillic, japanese and icons with default font final short[] glyphRanges = rangesBuilder.buildRanges(); io.getFonts().addFontFromMemoryTTF(loadFromResources("Tahoma.ttf"), 14, fontConfig, glyphRanges); // cyrillic glyphs io.getFonts().addFontFromMemoryTTF(loadFromResources("NotoSansCJKjp-Medium.otf"), 14, fontConfig, glyphRanges); // japanese glyphs io.getFonts().addFontFromMemoryTTF(loadFromResources("fa-regular-400.ttf"), 14, fontConfig, glyphRanges); // font awesome io.getFonts().addFontFromMemoryTTF(loadFromResources("fa-solid-900.ttf"), 14, fontConfig, glyphRanges); // font awesome io.getFonts().build(); fontConfig.destroy(); } @Override public void process() { if (ImGui.begin("Demo", ImGuiWindowFlags.AlwaysAutoResize)) { ImGui.text("OS: [" + System.getProperty("os.name") + "] Arch: [" + System.getProperty("os.arch") + "]"); ImGui.text("Hello, World! " + FontAwesomeIcons.Smile); if (ImGui.button(FontAwesomeIcons.Save + " Save")) { count++; } ImGui.sameLine(); ImGui.text(String.valueOf(count)); ImGui.sameLine(); // imgui 1.91 TextLink — inline hyperlink widget, returns true when clicked. if (ImGui.textLink("increment")) { count++; } ImGui.inputText("string", str, ImGuiInputTextFlags.CallbackResize); ImGui.text("Result: " + str.get()); ImGui.sliderFloat("float", flt, 0, 1); // imgui 1.91 TextLinkOpenURL — hyperlink that opens a URL on click. ImGui.text("Learn more:"); ImGui.sameLine(); ImGui.textLinkOpenURL("Dear ImGui on GitHub", "https://github.com/ocornut/imgui"); ImGui.separator(); ImGui.text("Extra"); Extra.show(this); } ImGui.end(); } private static byte[] loadFromResources(String name) { try { return Files.readAllBytes(Paths.get(Main.class.getResource(name).toURI())); } catch (IOException | URISyntaxException e) { throw new RuntimeException(e); } } public static void main(final String[] args) { launch(new Main()); System.exit(0); } }