Renamed Sce to SceneFader

2026-06-13 21:31:35 +02:00
parent 24926d01d3
commit 3d78eb5679
4 changed files with 18 additions and 17 deletions
--- a/2DGAMELIB/_2DGAMELIB/SceneFader.cs
+++ b/2DGAMELIB/_2DGAMELIB/SceneFader.cs
@@ -0,0 +1,77 @@
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace _2DGAMELIB
+{
+
+    //Basically used to animate switching between two static images
+    public class SceneFader
+    {
+    	private Bitmap Start;
+    	private Graphics GS;
+
+    	private Bitmap End;
+    	private Graphics GE;
+
+    	private int w;
+
+    	private int h;
+
+    	private System.Drawing.Rectangle r;
+
+    	private ColorMatrix cm = new ColorMatrix();
+
+    	private ImageAttributes ia = new ImageAttributes();
+
+    	public SceneFader(int Width, int Height)
+    	{
+    		w = Width;
+    		h = Height;
+    		Start = new Bitmap(w, h);
+    		GS = Graphics.FromImage(Start);
+    		End = new Bitmap(w, h);
+    		GE = Graphics.FromImage(End);
+            r = new System.Drawing.Rectangle(0, 0, w, h);
+    	}
+
+    	public void TransformAlpha(Graphics Graphics, double Rate)
+    	{
+    		Graphics.DrawImage(Start, 0, 0);
+    		cm.Matrix33 = (float)Rate;
+    		ia.SetColorMatrix(cm);
+    		Graphics.DrawImage(End, r, 0, 0, w, h, GraphicsUnit.Pixel, ia);
+    	}
+
+    	public void TransD(Graphics Graphics, double Rate)
+    	{
+    		Graphics.DrawImage(End, 0, 0);
+    		cm.Matrix33 = (float)Rate.Inverse();
+    		ia.SetColorMatrix(cm);
+    		Graphics.DrawImage(Start, r, 0, 0, w, h, GraphicsUnit.Pixel, ia);
+    	}
+
+    	public void DrawStart(RenderArea Are)
+    	{
+    		Are.DrawTo(GS);
+    	}
+
+    	public void DrawEnd(RenderArea Are)
+    	{
+    		Are.DrawTo(GE);
+    	}
+
+    	public void ClearStart(ref Color ClearColor)
+    	{
+    		GS.Clear(ClearColor);
+    	}
+
+    	public void Dispose()
+    	{
+    		Start.Dispose();
+    		GS.Dispose();
+    		End.Dispose();
+    		GE.Dispose();
+    		ia.Dispose();
+    	}
+    }
+}