mirror of
https://github.com/ShareX/ShareX.git
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174 lines
No EOL
5.6 KiB
C#
174 lines
No EOL
5.6 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) 2007-2017 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.Drawing.Imaging;
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namespace ShareX.ScreenCaptureLib
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{
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public partial class Screenshot
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{
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public bool CaptureCursor { get; set; } = false;
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public bool CaptureClientArea { get; set; } = false;
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public bool RemoveOutsideScreenArea { get; set; } = true;
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public bool CaptureShadow { get; set; } = false;
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public int ShadowOffset { get; set; } = 20;
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public bool AutoHideTaskbar { get; set; } = false;
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public Image CaptureRectangle(Rectangle rect)
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{
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if (RemoveOutsideScreenArea)
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{
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Rectangle bounds = CaptureHelpers.GetScreenBounds();
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rect = Rectangle.Intersect(bounds, rect);
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}
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return CaptureRectangleNative(rect, CaptureCursor);
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}
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public Image CaptureFullscreen()
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{
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Rectangle bounds = CaptureHelpers.GetScreenBounds();
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return CaptureRectangle(bounds);
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}
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public Image CaptureWindow(IntPtr handle)
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{
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if (handle.ToInt32() > 0)
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{
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Rectangle rect;
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if (CaptureClientArea)
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{
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rect = NativeMethods.GetClientRect(handle);
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}
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else
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{
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rect = CaptureHelpers.GetWindowRectangle(handle);
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}
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bool isTaskbarHide = false;
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try
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{
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if (AutoHideTaskbar)
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{
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isTaskbarHide = NativeMethods.SetTaskbarVisibilityIfIntersect(false, rect);
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}
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return CaptureRectangle(rect);
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}
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finally
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{
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if (isTaskbarHide)
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{
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NativeMethods.SetTaskbarVisibility(true);
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}
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}
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}
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return null;
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}
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public Image CaptureActiveWindow()
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{
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IntPtr handle = NativeMethods.GetForegroundWindow();
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return CaptureWindow(handle);
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}
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public Image CaptureActiveMonitor()
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{
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Rectangle bounds = CaptureHelpers.GetActiveScreenBounds();
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return CaptureRectangle(bounds);
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}
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private Image CaptureRectangleNative(Rectangle rect, bool captureCursor = false)
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{
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return CaptureRectangleNative(NativeMethods.GetDesktopWindow(), rect, captureCursor);
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}
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private Image CaptureRectangleNative(IntPtr handle, Rectangle rect, bool captureCursor = false)
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{
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if (rect.Width == 0 || rect.Height == 0)
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{
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return null;
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}
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IntPtr hdcSrc = NativeMethods.GetWindowDC(handle);
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IntPtr hdcDest = NativeMethods.CreateCompatibleDC(hdcSrc);
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IntPtr hBitmap = NativeMethods.CreateCompatibleBitmap(hdcSrc, rect.Width, rect.Height);
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IntPtr hOld = NativeMethods.SelectObject(hdcDest, hBitmap);
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NativeMethods.BitBlt(hdcDest, 0, 0, rect.Width, rect.Height, hdcSrc, rect.X, rect.Y, CopyPixelOperation.SourceCopy | CopyPixelOperation.CaptureBlt);
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if (captureCursor)
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{
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Point cursorOffset = CaptureHelpers.ScreenToClient(rect.Location);
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try
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{
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using (CursorData cursorData = new CursorData())
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{
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cursorData.DrawCursorToHandle(hdcDest, cursorOffset);
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}
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}
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catch (Exception e)
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{
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DebugHelper.WriteException(e, "Cursor capture failed.");
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}
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}
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NativeMethods.SelectObject(hdcDest, hOld);
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NativeMethods.DeleteDC(hdcDest);
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NativeMethods.ReleaseDC(handle, hdcSrc);
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Image img = Image.FromHbitmap(hBitmap);
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NativeMethods.DeleteObject(hBitmap);
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return img;
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}
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private Image CaptureRectangleManaged(Rectangle rect)
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{
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if (rect.Width == 0 || rect.Height == 0)
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{
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return null;
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}
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Image img = new Bitmap(rect.Width, rect.Height, PixelFormat.Format24bppRgb);
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using (Graphics g = Graphics.FromImage(img))
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{
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// Managed can't use SourceCopy | CaptureBlt because of .NET bug
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g.CopyFromScreen(rect.Location, Point.Empty, rect.Size, CopyPixelOperation.SourceCopy);
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}
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return img;
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}
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}
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} |