sdl3 2.0.0

A Dart library for accessing common SDL3 (and SDL3_image, SDL3_mixer, SDL3_net, SDL3_ttf, SDL3_gfx) APIs using, FFI.

example/main.dart

import 'dart:ffi';
import 'dart:math';
import 'package:ffi/ffi.dart';
import 'package:sdl3/sdl3.dart';

int main() {
  if (!sdlInit(SDL_INIT_VIDEO)) {
    print(sdlGetError());
    return -1;
  }
  sdlSetHint(SDL_HINT_RENDER_VSYNC, '1');
  final window = SdlWindowEx.create(title: 'draw triangle', w: 640, h: 480);
  if (window == nullptr) {
    print(sdlGetError());
    sdlQuit();
    return -1;
  }
  final renderer = window.createRenderer();
  if (renderer == nullptr) {
    print(sdlGetError());
    window.destroy();
    sdlQuit();
    return -1;
  }
  final lines = <Point<double>>[
    const Point(320, 200),
    const Point(300, 240),
    const Point(340, 240),
    const Point(320, 200),
  ];
  final event = calloc<SdlEvent>();
  var running = true;
  while (running) {
    while (event.poll()) {
      switch (event.type) {
        case SDL_EVENT_QUIT:
          running = false;
        default:
          break;
      }
    }
    renderer
      ..setDrawColor(0, 0, 0, SDL_ALPHA_OPAQUE)
      ..clear()
      ..setDrawColor(255, 255, 255, SDL_ALPHA_OPAQUE)
      ..lines(lines)
      ..present();
  }
  event.callocFree();
  renderer.destroy();
  window.destroy();
  sdlQuit();
  return 0;
}