module main import gg2 as gg import gx import os const ( win_width = 600 win_height = 300 ) struct App { mut: gg &gg.GG } fn main() { mut app := &App{} app.gg = gg.new_context({ bg_color: gx.white width: win_width height: win_height use_ortho: true // This is needed for 2D drawing create_window: true window_title: 'Empty window' frame_fn: frame user_data: app font_path: os.resource_abs_path('assets/fonts/RobotoMono-Regular.ttf') }) app.gg.run() } fn frame(user_data voidptr) { mut app := &App(user_data) mut gg := app.gg gg.begin() if gg.fons == 0 { gg.init_font() } app.draw() C.sfons_flush(gg.fons) gg.end() } fn (app &App) draw() { app.gg.draw_text_def(200,20, 'hello world!') app.gg.draw_text_def(300,300, 'привет') app.gg.draw_rect(10, 10, 100, 30, gx.blue) app.gg.draw_empty_rect(10, 150, 80, 40, gx.green) }