From fb9f2ab945ec9795905eb738e115a05354cd6c58 Mon Sep 17 00:00:00 2001
From: Ian C <ianc@noddybox.co.uk>
Date: Tue, 2 Aug 2005 23:20:19 +0000
Subject: Added extra manipulations

---
 Sprite.cs | 146 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 143 insertions(+), 3 deletions(-)

(limited to 'Sprite.cs')

diff --git a/Sprite.cs b/Sprite.cs
index 290f582..ac2c0e7 100644
--- a/Sprite.cs
+++ b/Sprite.cs
@@ -145,8 +145,12 @@ namespace BitmapSpriteEd
 			Color[,] d=new Color[m_width,m_height];
 			
 			for(int y=0;y<m_height;y++)
+			{
 				for(int x=0;x<m_width;x++)
-				d[x,y]=m_data[m_width-x-1,y];
+				{
+					d[x,y]=m_data[m_width-x-1,y];
+				}
+			}
 			
 			m_data=d;
 			m_changed=true;
@@ -157,8 +161,12 @@ namespace BitmapSpriteEd
 			Color[,] d=new Color[m_width,m_height];
 			
 			for(int y=0;y<m_height;y++)
+			{
 				for(int x=0;x<m_width;x++)
-				d[x,y]=m_data[x,m_height-y-1];
+				{
+					d[x,y]=m_data[x,m_height-y-1];
+				}
+			}
 			
 			m_data=d;
 			m_changed=true;
@@ -169,8 +177,12 @@ namespace BitmapSpriteEd
 			Color[,] d=new Color[m_width,m_height];
 			
 			for(int y=0;y<m_height;y++)
+			{
 				for(int x=0;x<m_width;x++)
-				d[Mod(x+dx,m_width),Mod(y+dy,m_height)]=m_data[x,y];
+				{
+					d[Mod(x+dx,m_width),Mod(y+dy,m_height)]=m_data[x,y];
+				}
+			}
 			
 			m_data=d;
 			m_changed=true;
@@ -218,6 +230,134 @@ namespace BitmapSpriteEd
 			m_changed=true;
 		}
 		
+		public void DropShadow(int dx, int dy, Color col)
+		{
+			Color[,] d=new Color[m_width,m_height];
+			
+			// I'm sure this is too convoluted...
+			//
+			for(int y=0;y<m_height;y++)
+			{
+				for(int x=0;x<m_width;x++)
+				{
+					d[x,y]=Color.Transparent;
+				}
+			}
+			
+			for(int y=0;y<m_height;y++)
+			{
+				for(int x=0;x<m_width;x++)
+				{
+					if (m_data[x,y].A!=0)
+					{
+						int nx=x+dx;
+						int ny=y+dy;
+						
+						if (nx>=0 && nx<m_width && ny>=0 && ny<m_height &&
+						    m_data[nx,ny].A==0)
+						{
+							d[nx,ny]=col;
+						}
+					}
+				}
+			}
+			
+			for(int y=0;y<m_height;y++)
+			{
+				for(int x=0;x<m_width;x++)
+				{
+					if (d[x,y].A!=0)
+					{
+						m_data[x,y]=d[x,y];
+					}
+				}
+			}
+
+			m_changed=true;
+		}
+
+		public void Edge(Color col)
+		{
+			Color[,] d=new Color[m_width,m_height];
+			
+			// I'm sure this is too convoluted...
+			//
+			for(int y=0;y<m_height;y++)
+			{
+				for(int x=0;x<m_width;x++)
+				{
+					d[x,y]=Color.Transparent;
+				}
+			}
+			
+			for(int y=0;y<m_height;y++)
+			{
+				for(int x=0;x<m_width;x++)
+				{
+					if (m_data[x,y].A!=0)
+					{
+						for(int dx=-1;dx<2;dx++)
+							for(int dy=-1;dy<2;dy++)
+						{
+							int nx=x+dx;
+							int ny=y+dy;
+							
+							if (nx>=0 && nx<m_width && ny>=0 && ny<m_height &&
+							    m_data[nx,ny].A==0)
+							{
+								d[nx,ny]=col;
+							}
+						}
+					}
+				}
+			}
+			
+			for(int y=0;y<m_height;y++)
+			{
+				for(int x=0;x<m_width;x++)
+				{
+					if (d[x,y].A!=0)
+					{
+						m_data[x,y]=d[x,y];
+					}
+				}
+			}
+
+			m_changed=true;
+		}
+
+		public void Replace(Color from, Color to)
+		{
+			for(int y=0;y<m_height;y++)
+			{
+				for(int x=0;x<m_width;x++)
+				{
+					if (m_data[x,y]==from)
+					{
+						m_data[x,y]=to;
+					}
+				}
+			}
+			
+			m_changed=true;
+		}
+		
+		public void Replace(Color to)
+		{
+			for(int y=0;y<m_height;y++)
+			{
+				for(int x=0;x<m_width;x++)
+				{
+					if (m_data[x,y].A>0)
+					{
+						m_data[x,y]=to;
+					}
+				}
+			}
+			
+			m_changed=true;
+		}
+		
 		public void Output(Stream stream)
 		{
 			Util.WriteInt(stream,m_width);
-- 
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