#include <raylib.h>

int main(void) {
    const int screenWidth = 800;
    const int screenHeight = 450;

    SetConfigFlags(FLAG_VSYNC_HINT);
    SetConfigFlags(FLAG_WINDOW_RESIZABLE);
    SetConfigFlags(FLAG_WINDOW_HIGHDPI);

    const char *text = "zażółć gęślą jaźń";

    int codePointCnt = 0;
    int *codePoints = LoadCodepoints(text, &codePointCnt);

    InitWindow(screenWidth, screenHeight, "raylib unicode");

    Font font = LoadFontEx("resources/JetBrainsMono-Regular.ttf", 64, codePoints, codePointCnt);

    SetTargetFPS(60);
    while (!WindowShouldClose()) {
        if (IsKeyPressed(KEY_ONE)) {
            SetTextureFilter(font.texture, TEXTURE_FILTER_POINT);
        } else if (IsKeyPressed(KEY_TWO)) {
            SetTextureFilter(font.texture, TEXTURE_FILTER_BILINEAR);
        } else if (IsKeyPressed(KEY_THREE)) {
            // NOTE: Trilinear filter won't be noticed on 2D drawing
            SetTextureFilter(font.texture, TEXTURE_FILTER_TRILINEAR);
        }

        BeginDrawing();
        ClearBackground(RAYWHITE);
        DrawText("zażółć gęślą jaźń", 190, 200, 20, LIGHTGRAY);
        DrawCircle(screenWidth / 5, 120, 35, DARKBLUE);
        DrawCircleLines(screenWidth / 5, 340, 80, DARKBLUE);

        DrawTextEx(font, text, (Vector2){20.0f, 100.0f}, (float)font.baseSize / 2, 2, LIME);
        EndDrawing();
    }
    UnloadCodepoints(codePoints);
    UnloadFont(font);
    CloseWindow();

    return 0;
}