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https://github.com/ShareX/ShareX.git
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151 lines
No EOL
4.5 KiB
C#
151 lines
No EOL
4.5 KiB
C#
#region License Information (GPL v3)
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/*
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ShareX - A program that allows you to take screenshots and share any file type
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Copyright (c) 2007-2016 ShareX Team
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Optionally you can also view the license at <http://www.gnu.org/licenses/>.
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*/
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#endregion License Information (GPL v3)
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using ShareX.HelpersLib;
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using System;
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using System.Drawing;
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using System.Windows.Forms;
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namespace ShareX.ScreenCaptureLib
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{
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public class WebpageCapture : IDisposable
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{
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public event Action<Bitmap> CaptureCompleted;
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public int CaptureDelay { get; set; }
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private WebBrowser webBrowser;
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public WebpageCapture()
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{
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webBrowser = new WebBrowser();
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webBrowser.AllowNavigation = true;
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webBrowser.ScriptErrorsSuppressed = true;
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webBrowser.ScrollBarsEnabled = false;
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webBrowser.DocumentCompleted += webBrowser_DocumentCompleted;
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}
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public void CapturePage(string url)
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{
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CapturePage(url, Screen.PrimaryScreen.Bounds.Size);
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}
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public void CapturePage(string url, Size browserSize)
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{
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if (!string.IsNullOrEmpty(url))
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{
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webBrowser.Size = browserSize;
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webBrowser.Navigate(url);
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}
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}
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public void Stop()
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{
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webBrowser.Stop();
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}
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private void webBrowser_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
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{
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TaskEx.RunDelayed(GetWebpageBitmap, CaptureDelay);
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}
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private void GetWebpageBitmap()
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{
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if (webBrowser.Document != null && webBrowser.Document.Body != null)
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{
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Rectangle rect = webBrowser.Document.Body.ScrollRectangle;
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webBrowser.Size = new Size(rect.Width, rect.Height);
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Bitmap bmp = new Bitmap(rect.Width, rect.Height);
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try
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{
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GetImage(webBrowser.ActiveXInstance, bmp, Color.White);
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OnCaptureCompleted(bmp);
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return;
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}
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catch (Exception ex)
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{
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DebugHelper.WriteException(ex);
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if (bmp != null)
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{
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bmp.Dispose();
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}
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}
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}
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OnCaptureCompleted(null);
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}
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private static void GetImage(object obj, Image destination, Color backgroundColor)
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{
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using (Graphics graphics = Graphics.FromImage(destination))
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{
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IntPtr deviceContextHandle = IntPtr.Zero;
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RECT rectangle = new RECT();
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rectangle.Right = destination.Width;
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rectangle.Bottom = destination.Height;
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graphics.Clear(backgroundColor);
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try
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{
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deviceContextHandle = graphics.GetHdc();
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IViewObject viewObject = obj as IViewObject;
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viewObject.Draw(1, -1, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, deviceContextHandle, ref rectangle, IntPtr.Zero, IntPtr.Zero, 0);
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}
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finally
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{
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if (deviceContextHandle != IntPtr.Zero)
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{
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graphics.ReleaseHdc(deviceContextHandle);
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}
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}
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}
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}
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protected void OnCaptureCompleted(Bitmap bmp)
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{
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if (CaptureCompleted != null)
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{
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CaptureCompleted(bmp);
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}
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else if (bmp != null)
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{
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bmp.Dispose();
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}
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}
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public void Dispose()
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{
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if (webBrowser != null)
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{
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webBrowser.Dispose();
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}
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}
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}
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} |