diff --git a/Greenshot/Forms/CaptureForm.Designer.cs b/Greenshot/Forms/CaptureForm.Designer.cs
index c09689558..bb2495b17 100644
--- a/Greenshot/Forms/CaptureForm.Designer.cs
+++ b/Greenshot/Forms/CaptureForm.Designer.cs
@@ -59,7 +59,6 @@ namespace Greenshot.Forms {
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Dpi;
this.ClientSize = new System.Drawing.Size(0, 0);
this.Cursor = System.Windows.Forms.Cursors.Cross;
- this.DoubleBuffered = true;
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
this.Name = "CaptureForm";
this.ShowIcon = false;
diff --git a/Greenshot/Forms/CaptureForm.cs b/Greenshot/Forms/CaptureForm.cs
index d41dae78d..e2d0e7307 100644
--- a/Greenshot/Forms/CaptureForm.cs
+++ b/Greenshot/Forms/CaptureForm.cs
@@ -81,6 +81,17 @@ namespace Greenshot.Forms {
}
}
+ ///
+ /// This should prevent childs to draw backgrounds
+ ///
+ protected override CreateParams CreateParams {
+ get {
+ CreateParams cp = base.CreateParams;
+ cp.ExStyle |= 0x02000000;
+ return cp;
+ }
+ }
+
public CaptureForm(ICapture capture, List windows) {
if (currentForm != null) {
LOG.Debug("Found currentForm, Closing already opened CaptureForm");
@@ -105,6 +116,8 @@ namespace Greenshot.Forms {
// The InitializeComponent() call is required for Windows Forms designer support.
//
InitializeComponent();
+ // Only double-buffer when we are not in a TerminalServerSession
+ this.DoubleBuffered = !System.Windows.Forms.SystemInformation.TerminalServerSession;
this.Text = "Greenshot capture form";
// Make sure we never capture the captureform
@@ -367,7 +380,14 @@ namespace Greenshot.Forms {
}
}
}
-
+
+ ///
+ /// This makes sure there is no background painted, as we have complete "paint" control it doesn't make sense to do otherwise.
+ ///
+ ///
+ protected override void OnPaintBackground(PaintEventArgs pevent) {
+ }
+
void OnPaint(object sender, PaintEventArgs e) {
Graphics graphics = e.Graphics;
Rectangle clipRectangle = e.ClipRectangle;
diff --git a/Greenshot/Forms/ZoomForm.cs b/Greenshot/Forms/ZoomForm.cs
index 3a32e5dd4..dee4b3be3 100644
--- a/Greenshot/Forms/ZoomForm.cs
+++ b/Greenshot/Forms/ZoomForm.cs
@@ -45,6 +45,17 @@ namespace Greenshot.Forms {
Zoom = 400;
}
+ ///
+ /// Prevent the clipping of the child (this Form is a child of another)
+ ///
+ protected override CreateParams CreateParams {
+ get {
+ var parms = base.CreateParams;
+ parms.Style &= ~0x02000000; // Turn off WS_CLIPCHILDREN
+ return parms;
+ }
+ }
+
public Point MouseLocation {
get {
return mouseLocation;
@@ -74,6 +85,12 @@ namespace Greenshot.Forms {
get;
set;
}
+ ///
+ /// This makes sure there is no background painted, as we have complete "paint" control it doesn't make sense to do otherwise.
+ ///
+ ///
+ protected override void OnPaintBackground(PaintEventArgs pevent) {
+ }
protected override void OnPaint(PaintEventArgs e) {
if (captureToZoom == null || captureToZoom.Image == null) {
@@ -83,13 +100,13 @@ namespace Greenshot.Forms {
graphics.SmoothingMode = SmoothingMode.None;
graphics.InterpolationMode = InterpolationMode.NearestNeighbor;
graphics.CompositingQuality = CompositingQuality.HighSpeed;
- graphics.PixelOffsetMode = PixelOffsetMode.None;
+ graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
Rectangle clipRectangle = e.ClipRectangle;
float zoom = (float)100 / (float)Zoom;
int sourceWidth = (int)(Width * zoom);
int sourceHeight = (int)(Height * zoom);
- Rectangle sourceRectangle = new Rectangle(MouseLocation.X - (sourceHeight / 2), MouseLocation.Y - (sourceHeight / 2), sourceWidth, sourceHeight);
+ Rectangle sourceRectangle = new Rectangle(MouseLocation.X - (sourceWidth / 2), MouseLocation.Y - (sourceHeight / 2), sourceWidth, sourceHeight);
Rectangle destinationRectangle = new Rectangle(0, 0, Width, Height);
graphics.DrawImage(captureToZoom.Image, destinationRectangle, sourceRectangle, GraphicsUnit.Pixel);
@@ -115,11 +132,12 @@ namespace Greenshot.Forms {
this.BackgroundImageLayout = System.Windows.Forms.ImageLayout.None;
this.ClientSize = new System.Drawing.Size(100, 100);
this.ControlBox = false;
- this.DoubleBuffered = true;
+ // Only double-buffer when we are not in a TerminalServerSession
+ this.DoubleBuffered = !System.Windows.Forms.SystemInformation.TerminalServerSession;
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
this.MaximizeBox = false;
this.MinimizeBox = false;
- this.MinimumSize = new Size(50, 50);
+ this.MinimumSize = ClientSize;
this.Name = "Zoom";
this.ShowIcon = false;
this.ShowInTaskbar = false;