@ Renamed GetMapCoordinates function to DisplayToMap and added MapToDisplay function

@ Exposed the RenderTargetDisplay to plugins

Source/Core/Controls/RenderTargetControl.cs

@@ -32,7 +32,7 @@ using CodeImp.DoomBuilder.Editing;
 
 namespace CodeImp.DoomBuilder.Controls
 {
-	internal class RenderTargetControl : Panel
+	public class RenderTargetControl : Panel
 	{
 		#region ================== Constants
 
@@ -52,7 +52,7 @@ namespace CodeImp.DoomBuilder.Controls
 		#region ================== Constructor / Disposer
 
 		// Constructor
-		public RenderTargetControl()
+		internal RenderTargetControl()
 		{
 			// Initialize
 			this.SetStyle(ControlStyles.FixedWidth, true);

Source/Core/Editing/ClassicMode.cs

@@ -207,7 +207,7 @@ namespace CodeImp.DoomBuilder.Editing
 			General.MainWindow.RedrawDisplay();
 
 			// Determine new unprojected mouse coordinates
-			mousemappos = renderer2d.GetMapCoordinates(mousepos);
+			mousemappos = renderer2d.DisplayToMap(mousepos);
 			General.MainWindow.UpdateCoordinates(mousemappos);
 		}
 
@@ -222,7 +222,7 @@ namespace CodeImp.DoomBuilder.Editing
             General.MainWindow.RedrawDisplay();
 
             // Determine new unprojected mouse coordinates
-            mousemappos = renderer2d.GetMapCoordinates(mousepos);
+            mousemappos = renderer2d.DisplayToMap(mousepos);
             General.MainWindow.UpdateCoordinates(mousemappos);
         }
 
@@ -478,7 +478,7 @@ namespace CodeImp.DoomBuilder.Editing
 			mouseinside = true;
             mouselastpos = mousepos;
 			mousepos = new Vector2D(e.X, e.Y);
-			mousemappos = renderer2d.GetMapCoordinates(mousepos);
+			mousemappos = renderer2d.DisplayToMap(mousepos);
 			mousebuttons = e.Button;
 			
 			// Update labels in main window
@@ -692,7 +692,7 @@ namespace CodeImp.DoomBuilder.Editing
 			if(mouseinside && !float.IsNaN(mouselastpos.x) && !float.IsNaN(mouselastpos.y))
 			{
 				// Get the map coordinates of the last mouse posision (before it moved)
-				Vector2D lastmappos = renderer2d.GetMapCoordinates(mouselastpos);
+				Vector2D lastmappos = renderer2d.DisplayToMap(mouselastpos);
 				
 				// Do the scroll
 				ScrollBy(lastmappos.x - mousemappos.x, lastmappos.y - mousemappos.y);

Source/Core/Rendering/IRenderer2D.cs

@@ -49,6 +49,10 @@ namespace CodeImp.DoomBuilder.Rendering
 		int VertexSize { get; }
 		ViewMode ViewMode { get; }
 		
+		// View methods
+		Vector2D DisplayToMap(Vector2D mousepos);
+		Vector2D MapToDisplay(Vector2D mappos);
+		
 		// Color methods
 		PixelColor DetermineLinedefColor(Linedef l);
 		PixelColor DetermineThingColor(Thing t);

Source/Core/Rendering/Renderer2D.cs

@@ -546,12 +546,22 @@ namespace CodeImp.DoomBuilder.Rendering
 			}
 		}
 		
-		// This unprojects mouse coordinates into map coordinates
+		/// <summary>
-		public Vector2D GetMapCoordinates(Vector2D mousepos)
+		/// This unprojects display coordinates (screen space) to map coordinates
+		/// </summary>
+		public Vector2D DisplayToMap(Vector2D mousepos)
 		{
 			return mousepos.GetInvTransformed(-translatex, -translatey, scaleinv, -scaleinv);
 		}
-
+		
+		/// <summary>
+		/// This projects map coordinates to display coordinates (screen space)
+		/// </summary>
+		public Vector2D MapToDisplay(Vector2D mappos)
+		{
+			return mappos.GetTransformed(translatex, translatey, scale, -scale);
+		}
+		
 		#endregion
 
 		#region ================== Colors
@@ -759,8 +769,8 @@ namespace CodeImp.DoomBuilder.Rendering
 				backimageverts = CreateScreenVerts(windowsize);
 
 				// Determine map coordinates for view window
-				ltpos = GetMapCoordinates(new Vector2D(0f, 0f));
+				ltpos = DisplayToMap(new Vector2D(0f, 0f));
-				rbpos = GetMapCoordinates(new Vector2D(windowsize.Width, windowsize.Height));
+				rbpos = DisplayToMap(new Vector2D(windowsize.Width, windowsize.Height));
 				
 				// Offset by given background offset
 				ltpos -= backoffset;
@@ -828,8 +838,8 @@ namespace CodeImp.DoomBuilder.Rendering
 			if((size * scale) > 6f)
 			{
 				// Determine map coordinates for view window
-				ltpos = GetMapCoordinates(new Vector2D(0, 0));
+				ltpos = DisplayToMap(new Vector2D(0, 0));
-				rbpos = GetMapCoordinates(new Vector2D(windowsize.Width, windowsize.Height));
+				rbpos = DisplayToMap(new Vector2D(windowsize.Width, windowsize.Height));
 
 				// Clip to nearest grid
 				ltpos = GridSetup.SnappedToGrid(ltpos, size, sizeinv);

Source/Core/Windows/IMainForm.cs

@@ -52,6 +52,7 @@ namespace CodeImp.DoomBuilder.Windows
 		bool MouseExclusive { get; }
 		MouseButtons MouseButtons { get; }
 		bool IsActiveWindow { get; }
+		RenderTargetControl Display { get; }
 		
 		// Methods
 		void DisplayReady();

Source/Core/Windows/MainForm.cs

@@ -164,7 +164,7 @@ namespace CodeImp.DoomBuilder.Windows
 		public bool AltState { get { return alt; } }
 		public MouseButtons MouseButtons { get { return mousebuttons; } }
 		public bool MouseInDisplay { get { return mouseinside; } }
-		internal RenderTargetControl Display { get { return display; } }
+		public RenderTargetControl Display { get { return display; } }
 		public bool SnapToGrid { get { return buttonsnaptogrid.Checked; } }
 		public bool AutoMerge { get { return buttonautomerge.Checked; } }
 		public bool MouseExclusive { get { return mouseexclusive; } }