From 72f1c3ac791a8bad3d60e46640726a01d51a8d20 Mon Sep 17 00:00:00 2001
From: Tim Young <tim.young@lightsys.org>
Date: Fri, 15 Sep 2017 19:21:46 -0500
Subject: [PATCH] Define a grid size to snap onto.  A grid of 1x1 gives us a
 pixel by pixel grid.  But we usually want to have 5, 10, 50, 100 or something
 like that.

---
 SpriteLibrary/SpriteDatabase.cs  | 11 ++++++++++-
 SpriteLibrary/SpriteEntryForm.cs |  6 +++---
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/SpriteLibrary/SpriteDatabase.cs b/SpriteLibrary/SpriteDatabase.cs
index aca30d7..0e89309 100644
--- a/SpriteLibrary/SpriteDatabase.cs
+++ b/SpriteLibrary/SpriteDatabase.cs
@@ -26,6 +26,7 @@ namespace SpriteLibrary
         List<ImageStruct> TheImages = new List<ImageStruct>();
         ResourceManager myResourceManager = null;
         string Filename = "";
+        Size SnapGridSize = new Size(5, 5);
 
         public SpriteDatabase(ResourceManager theResourceManager, string filename)
         {
@@ -39,6 +40,14 @@ namespace SpriteLibrary
             LoadSpriteInfo();
         }
 
+        public void SetSnapGridSize(Size GridSize)
+        {
+            if (GridSize.Width <= 0) return;
+            if (GridSize.Height <= 0) return;
+            if (GridSize.Width > 500) return;
+            if (GridSize.Height > 500) return;
+            SnapGridSize = GridSize;
+        }
 
         //*******************************
         //****  Sprite Info Functions ***
@@ -83,7 +92,7 @@ namespace SpriteLibrary
 
         public void OpenEditWindow(int FirstItemIndex=-1)
         {
-            SpriteEntryForm SEF = new SpriteEntryForm(myResourceManager, SpriteInfoList);
+            SpriteEntryForm SEF = new SpriteEntryForm(myResourceManager, SpriteInfoList, SnapGridSize);
             SEF.ShowDialog();
             //Use the updated list returned from the form.
             SpriteInfoList.Clear();
diff --git a/SpriteLibrary/SpriteEntryForm.cs b/SpriteLibrary/SpriteEntryForm.cs
index e3d3349..26bafcc 100644
--- a/SpriteLibrary/SpriteEntryForm.cs
+++ b/SpriteLibrary/SpriteEntryForm.cs
@@ -11,11 +11,9 @@ using System.Xml.Serialization;
 using System.IO;
 using System.Resources;
 using System.Windows.Forms;
-using System.Windows;
 using System.Collections;
 
 
-
 namespace SpriteLibrary
 {
     internal partial class SpriteEntryForm : Form
@@ -23,12 +21,14 @@ namespace SpriteLibrary
         SpriteController MyController;
         ResourceManager myResources = null;
         List<SpriteInfo> SpriteInformation = new List<SpriteInfo>();
+        Size SnapGridSize = new Size(5,5);
 
-        internal SpriteEntryForm(ResourceManager theResourceManager, List<SpriteInfo> ListToWorkOn)
+        internal SpriteEntryForm(ResourceManager theResourceManager, List<SpriteInfo> ListToWorkOn, Size GridSize)
         {
             InitializeComponent();
             if (theResourceManager == null) throw new Exception("NullException: The ResourceManager passed to the SpriteEntryForm cannot be null.  Pass it Properties.Resources.ResourceManager");  
             myResources = theResourceManager;
+            SnapGridSize = GridSize;
             LocalSetup();
             SpriteInformation.AddRange(ListToWorkOn);
         }