/*******************************************************************************************
*
*   raylib [core] example - highdpi testbed
*
*   Example complexity rating: [★☆☆☆] 1/4
*
*   Example originally created with raylib 5.6-dev, last time updated with raylib 5.6-dev
*
*   Example contributed by Ramon Santamaria (@raysan5) and reviewed by Ramon Santamaria (@raysan5)
*
*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
*   BSD-like license that allows static linking with closed source software
*
*   Copyright (c) 2025 Ramon Santamaria (@raysan5)
*
********************************************************************************************/

#include "raylib.h"

//------------------------------------------------------------------------------------
// Program main entry point
//------------------------------------------------------------------------------------
int main(void)
{
    // Initialization
    //--------------------------------------------------------------------------------------
    const int screenWidth = 800;
    const int screenHeight = 450;

    SetConfigFlags(FLAG_WINDOW_HIGHDPI | FLAG_WINDOW_RESIZABLE);
    InitWindow(screenWidth, screenHeight, "raylib [core] example - highdpi testbed");

    int gridSpacing = 40;   // Grid spacing in pixels

    SetTargetFPS(60);
    //--------------------------------------------------------------------------------------

    // Main game loop
    while (!WindowShouldClose())    // Detect window close button or ESC key
    {
        // Update
        //----------------------------------------------------------------------------------
        // TODO: Update variables / Implement example logic at this point
        //----------------------------------------------------------------------------------

        // Draw
        //----------------------------------------------------------------------------------
        BeginDrawing();

            ClearBackground(RAYWHITE);

            // Draw grid
            for (int h = 0; h < 20; h++) DrawLine(0, h*gridSpacing, GetRenderWidth(), h*gridSpacing, LIGHTGRAY);
            for (int v = 0; v < 40; v++) DrawLine(v*gridSpacing, 0, v*gridSpacing, GetScreenHeight(), LIGHTGRAY);

            // Draw UI info
            DrawText(TextFormat("SCREEN SIZE: %ix%i", GetScreenWidth(), GetScreenHeight()), 10, 10, 20, BLACK);

        EndDrawing();
        //----------------------------------------------------------------------------------
    }

    // De-Initialization
    //--------------------------------------------------------------------------------------

    // TODO: Unload all loaded resources at this point

    CloseWindow();        // Close window and OpenGL context
    //--------------------------------------------------------------------------------------

    return 0;
}