From 84ee32f402668bad757150ebd4e80d493ce2d9d2 Mon Sep 17 00:00:00 2001
From: "de@itstall.de" <de@itstall.de>
Date: Tue, 4 Feb 2020 09:38:30 +0100
Subject: [PATCH] =?UTF-8?q?Kompassrose=20wieder=20eingef=C3=BCgt?=
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---
Wetterstation/Form1.cs | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/Wetterstation/Form1.cs b/Wetterstation/Form1.cs
index e282688..30a3cad 100644
--- a/Wetterstation/Form1.cs
+++ b/Wetterstation/Form1.cs
@@ -265,9 +265,29 @@ namespace Wetterstation
lbWindSpeed.Invoke(new Action(() => { lbWindSpeed.Text = weatherData.windSpeed + " ms"; }));
lbWindricht.Invoke(new Action(() => { lbWindricht.Text = weatherData.windDeg + " °"; }));
lbLuftdruck.Invoke(new Action(() => { lbLuftdruck.Text = weatherData.pressure + " mbar"; }));
+ pictureBox1.Invoke(new Action(() => {
+ pictureBox1.Image = RotateImage((Bitmap)global::Wetterstation.Properties.Resources.ResourceManager.GetObject("WindRose_neu"), (int)weatherData.windDeg);
+ }));
+
}
catch (Exception ignored) { }
}
+ private Bitmap RotateImage(Bitmap bmp, float angle)
+ {
+ float height = bmp.Height;
+ float width = bmp.Width;
+ int hypotenuse = System.Convert.ToInt32(System.Math.Floor(Math.Sqrt(height * height + width * width)));
+ Bitmap rotatedImage = new Bitmap(hypotenuse, hypotenuse);
+ using (Graphics g = Graphics.FromImage(rotatedImage))
+ {
+ g.TranslateTransform((float)rotatedImage.Width / 2, (float)rotatedImage.Height / 2); //set the rotation point as the center into the matrix
+ g.RotateTransform(angle); //rotate
+ g.TranslateTransform(-(float)rotatedImage.Width / 2, -(float)rotatedImage.Height / 2); //restore rotation point into the matrix
+ g.DrawImage(bmp, (hypotenuse - width) / 2, (hypotenuse - height) / 2, width, height);
+ }
+ return rotatedImage;
+ }
+
public void updateFormForecast(String message)
{
--
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