// This file is part of the Noddybox.Emulation C# suite.
//
// Noddybox.Emulation is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Noddybox.Emulation is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Noddybox.Emulation.  If not, see <http://www.gnu.org/licenses/>.
//
// Copyright (c) 2012 Ian Cowburn
//
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace EmuKeyboardDesigner
{
    public partial class ImageControl : UserControl
    {
        private Bitmap image;

        public ImageControl()
        {
            InitializeComponent();
        }

        public int KeyX
        {
            get
            {
                return Convert.ToInt32(xUpDown.Value);
            }
            set
            {
                xUpDown.Value = value;
                UpdateKeyOverlay();
            }
        }

        public int KeyY
        {
            get
            {
                return Convert.ToInt32(yUpDown.Value);
            }
            set
            {
                yUpDown.Value = value;
                UpdateKeyOverlay();
            }
        }

        public int KeyWidth
        {
            get
            {
                return Convert.ToInt32(widthUpDown.Value);
            }
            set
            {
                widthUpDown.Value = value;
                UpdateKeyOverlay();
            }
        }

        public int KeyHeight
        {
            get
            {
                return Convert.ToInt32(heightUpDown.Value);
            }
            set
            {
                heightUpDown.Value = value;
                UpdateKeyOverlay();
            }
        }

        private void UpdateKeyOverlay()
        {
            if (image != null)
            {
                Bitmap bmp = new Bitmap(image, image.Width * zoom.Value, image.Height * zoom.Value);

                using (Graphics g = Graphics.FromImage(bmp))
                {
                    using (Pen p = new Pen(Color.White, zoom.Value))
                    {
                        g.DrawRectangle(p, (int)xUpDown.Value * zoom.Value,
                                           (int)yUpDown.Value * zoom.Value,
                                           (int)widthUpDown.Value * zoom.Value,
                                           (int)heightUpDown.Value * zoom.Value);
                    }
                }

                if (imageBox.Image != null)
                {
                    imageBox.Image.Dispose();
                }

                imageBox.Image = bmp;
            }
        }

        private void OnXChanged(object sender, EventArgs e)
        {
            UpdateKeyOverlay();
        }

        private void OnYChanged(object sender, EventArgs e)
        {
            UpdateKeyOverlay();
        }

        private void OnWidthChanged(object sender, EventArgs e)
        {
            UpdateKeyOverlay();
        }

        private void OnHeightChanged(object sender, EventArgs e)
        {
            UpdateKeyOverlay();
        }

        private void OnLoad(object sender, EventArgs e)
        {
            OpenFileDialog fsel = new OpenFileDialog();

            fsel.Title = "Select image to load";
            fsel.CheckFileExists = true;
            fsel.CheckPathExists = true;
            fsel.Filter = "Image Files(*.PNG;*.JPG;*.BMP)|*.PNG;*.JPG;*.BMP|All files (*.*)|*.*";

            if (fsel.ShowDialog() == DialogResult.OK)
            {
                try
                {
                    image = (Bitmap)Image.FromFile(fsel.FileName);
                    UpdateKeyOverlay();
                }
                catch (Exception ex)
                {
                    MessageBox.Show("Failed to load " + fsel.FileName, ex.GetType().ToString(), MessageBoxButtons.OK);
                }
            }

            UpdateKeyOverlay();
        }

        private void OnZoomChanged(object sender, EventArgs e)
        {
            UpdateKeyOverlay();
        }
    }
}