ShareX/HelpersLib/Forms/QRCodeForm.cs

#region License Information (GPL v3)

/*
    ShareX - A program that allows you to take screenshots and share any file type
    Copyright (C) 2007-2014 ShareX Developers

    This program 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 2
    of the License, or (at your option) any later version.

    This program 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 this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

    Optionally you can also view the license at <http://www.gnu.org/licenses/>.
*/

#endregion License Information (GPL v3)

using Gma.QrCodeNet.Encoding;
using Gma.QrCodeNet.Encoding.Windows.Render;
using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Windows.Forms;

namespace HelpersLib
{
    public partial class QRCodeForm : Form
    {
        public QRCodeForm(string text = null)
        {
            InitializeComponent();
            Icon = ShareXResources.Icon;
            ClientSize = new Size(400, 400);

            if (!string.IsNullOrEmpty(text))
            {
                qrMain.Dock = DockStyle.Fill;
                qrMain.Cursor = Cursors.Hand;
                Text = "QR code: " + text;
                qrMain.Text = text;
            }
            else
            {
                txtQRCode.Visible = true;
                txtQRCode.Text = "Text";
                txtQRCode.SelectAll();
            }
        }

        private void txtQRCode_TextChanged(object sender, EventArgs e)
        {
            qrMain.Text = txtQRCode.Text;
        }

        private void QRCodeForm_Resize(object sender, EventArgs e)
        {
            qrMain.Refresh();
        }

        private void qrMain_Click(object sender, EventArgs e)
        {
            if (qrMain.Cursor == Cursors.Hand)
            {
                Close();
            }
        }

        private void tsmiCopy_Click(object sender, EventArgs e)
        {
            GraphicsRenderer gRender = new GraphicsRenderer(new FixedModuleSize(30, QuietZoneModules.Four));
            BitMatrix matrix = qrMain.GetQrMatrix();
            using (MemoryStream stream = new MemoryStream())
            {
                gRender.WriteToStream(matrix, ImageFormat.Png, stream, new Point(600, 600));
                ClipboardHelpers.CopyImage(Image.FromStream(stream));
            }
        }

        private void tsmiSaveAs_Click(object sender, EventArgs e)
        {
            using (SaveFileDialog saveFileDialog = new SaveFileDialog())
            {
                saveFileDialog.Filter = @"PNG (*.png)|*.png|Bitmap (*.bmp)|*.bmp|Encapsuled PostScript (*.eps)|*.eps|SVG (*.svg)|*.svg";
                saveFileDialog.FileName = txtQRCode.Text;
                saveFileDialog.DefaultExt = "png";

                if (saveFileDialog.ShowDialog() != DialogResult.OK)
                {
                    return;
                }

                if (saveFileDialog.FileName.EndsWith("eps"))
                {
                    BitMatrix matrix = qrMain.GetQrMatrix();

                    // Initialize the EPS renderer
                    var renderer = new EncapsulatedPostScriptRenderer(
                        new FixedModuleSize(6, QuietZoneModules.Two), // Modules size is 6/72th inch (72 points = 1 inch)
                        new FormColor(Color.Black), new FormColor(Color.White));

                    using (var file = File.Open(saveFileDialog.FileName, FileMode.CreateNew))
                    {
                        renderer.WriteToStream(matrix, file);
                    }
                }
                else if (saveFileDialog.FileName.EndsWith("svg"))
                {
                    BitMatrix matrix = qrMain.GetQrMatrix();

                    // Initialize the EPS renderer
                    var renderer = new SVGRenderer(
                        new FixedModuleSize(6, QuietZoneModules.Two), // Modules size is 6/72th inch (72 points = 1 inch)
                        new FormColor(Color.FromArgb(150, 200, 200, 210)), new FormColor(Color.FromArgb(200, 255, 155, 0)));

                    using (var file = File.OpenWrite(saveFileDialog.FileName))
                    {
                        renderer.WriteToStream(matrix, file, false);
                    }
                }
                else
                {
                    GraphicsRenderer gRender = new GraphicsRenderer(new FixedModuleSize(30, QuietZoneModules.Four));
                    BitMatrix matrix = qrMain.GetQrMatrix();
                    using (FileStream stream = new FileStream(saveFileDialog.FileName, FileMode.Create))
                    {
                        gRender.WriteToStream(matrix, ImageFormat.Png, stream, new Point(600, 600));
                    }
                }
            }
        }
    }
}