75 lines
2.9 KiB
C#
75 lines
2.9 KiB
C#
/*
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* Copyright (c) 2025 LG Electronics Inc.
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* SPDX-License-Identifier: LicenseRef-LGE-Proprietary
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*/
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using Aurora.Api;
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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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using System.Runtime.InteropServices;
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namespace VisionCommon {
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public class ScreenshotHelper {
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private static Logger _Logger = new Logger("ScreenshotHelper");
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public const int SHOWNORMAL = 1;
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public const int SHOWMINIMIZED = 2;
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public const int SHOWMAXIMIZED = 3;
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public static Bitmap ScreenShotWindow(string windowTitle) {
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try {
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IntPtr whandle = IntPtr.Zero;
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Rect window = new Rect();
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whandle = User32.FindWindow(null, windowTitle);
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if (whandle == IntPtr.Zero) {
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return null;
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}
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//User32.ShowWindowAsync(whandle, SHOWNORMAL); // 윈도우가 최소화 되어 있다면 활성화 시킨다.
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User32.ShowWindowAsync(whandle, SHOWMAXIMIZED); // 윈도우가 최대화 시킨다.
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User32.SetForegroundWindow(whandle); // 윈도우에 포커스를 줘서 최상위로 만든다.
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User32.GetWindowRect(whandle, ref window);
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int width = window.Right - window.Left;
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int height = window.Bottom - window.Top;
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System.Drawing.Size size = new System.Drawing.Size();
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size.Width = width;
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size.Height = height;
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var bmpScreenshot = new Bitmap(width,
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height,
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PixelFormat.Format32bppArgb);
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var gfxScreenshot = Graphics.FromImage(bmpScreenshot);
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gfxScreenshot.CopyFromScreen(window.Left, window.Top,
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0, 0, size,
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CopyPixelOperation.SourceCopy);
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return bmpScreenshot;
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}
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catch (Exception e) {
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_Logger.FuncE(e.Message);
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}
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return null;
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}
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private class User32 {
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[DllImport("user32.dll")]
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[return: MarshalAs(UnmanagedType.Bool)]
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public static extern bool SetForegroundWindow(IntPtr hWnd);
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[DllImport("user32.dll", CharSet = CharSet.Auto)]
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public static extern IntPtr FindWindow(string strClassName, string strWindowName);
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[DllImport("user32.dll")]
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public static extern bool GetWindowRect(IntPtr hwnd, ref Rect rectangle);
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[DllImport("user32.dll")]
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public static extern bool ShowWindowAsync(IntPtr hWnd, int nCmdShow);
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}
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public struct Rect {
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public int Left { get; set; }
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public int Top { get; set; }
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public int Right { get; set; }
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public int Bottom { get; set; }
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}
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}
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}
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