window screenshot shenanigans

CreamInstaller/Components/CustomForm.cs

@@ -1,4 +1,7 @@
-using System.Windows.Forms;
+using System.Drawing;
+using System.Drawing.Drawing2D;
+using System.Drawing.Imaging;
+using System.Windows.Forms;
 
 namespace CreamInstaller.Components;
 
@@ -6,7 +9,12 @@ internal class CustomForm : Form
 {
     internal CustomForm() : base() => Icon = Properties.Resources.Icon;
 
-    internal CustomForm(IWin32Window owner) : this() => Owner = (owner as Form) ?? ActiveForm;
+    internal CustomForm(IWin32Window owner) : this()
+    {
+        Owner = (owner as Form) ?? ActiveForm;
+        KeyPreview = true;
+        KeyPress += OnKeyPress;
+    }
 
     protected override CreateParams CreateParams // Double buffering for all controls
     {
@@ -24,4 +32,20 @@ internal class CustomForm : Form
         int Y = fromForm.Location.Y + fromForm.Size.Height / 2 - Size.Height / 2;
         Location = new(X, Y);
     }
+
+    private void OnKeyPress(object s, KeyPressEventArgs e)
+    {
+        if (e.KeyChar != 'S') return; // Shift + S
+        UpdateBounds();
+        Rectangle bounds = Bounds;
+        using Bitmap bitmap = new(Size.Width - 14, Size.Height - 7);
+        using Graphics graphics = Graphics.FromImage(bitmap);
+        graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
+        ImageCodecInfo jpeg = ImageCodecInfo.GetImageEncoders()[1];
+        using EncoderParameters encoding = new(1);
+        encoding.Param[0] = new(Encoder.Quality, 100L);
+        graphics.CopyFromScreen(new(bounds.Left + 7, bounds.Top), Point.Empty, new(Size.Width - 14, Size.Height - 7));
+        Clipboard.SetImage(bitmap);
+        e.Handled = true;
+    }
 }