module main

import gg
import gx
import os

const (
    win_width  = 600
    win_height = 300
)

struct App {
mut:
    gg    &gg.Context = unsafe { nil }
    image int // gg.Image
}

fn main() {
    mut app := &App{
        gg: 0
    }
    app.gg = gg.new_context(
        bg_color: gx.white
        width: win_width
        height: win_height
        create_window: true
        window_title: 'Rectangles'
        frame_fn: frame
        user_data: app
        init_fn: init_images
    )
    mut logo_path := os.resource_abs_path(os.join_path('..', 'assets', 'logo.png'))
    app.image = app.gg.create_image(logo_path)!.id
    app.gg.run()
}

fn init_images(mut app App) {
    // app.image = gg.create_image('logo.png')
}

fn frame(app &App) {
    app.gg.begin()
    app.draw()
    app.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_filled(10, 10, 100, 30, gx.blue)
    app.gg.draw_rect_empty(110, 150, 80, 40, gx.black)
    app.gg.draw_image_by_id(230, 30, 200, 200, app.image)
}