1 files changed, 164 insertions, 0 deletions
diff --git a/src/Rectangles.cs b/src/Rectangles.cs
new file mode 100644
index 00000000..8129fc83
--- /dev/null
+++ b/src/Rectangles.cs
@@ -0,0 +1,164 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Cairo;
+using System.Diagnostics;
+
+namespace go
+{
+    public class Rectangles
+    {
+        public List<Rectangle> list = new List<Rectangle>();
+        public int count
+        {
+            get { return list.Count; }
+        }
+
+        public void AddRectangle(Rectangle r)
+        {
+            //if (r.Left == 0)
+            //    Debugger.Break();
+            if (addRect(r))
+                list.Add(r);
+        }
+        public void Reset()
+        {
+            list = new List<Rectangle>();
+        }
+        bool addRect(Rectangle r)
+        {
+            foreach (Rectangle rInList in list)
+                if (rInList.Contains(r))
+                    return false;
+            return true;
+        }
+        
+        public bool intersect(Rectangle r)
+        {
+            foreach (Rectangle rInList in list)
+                if (rInList.Intersect(r))
+                    return true;
+            return false;
+        }
+        
+        public Rectangles intersectingRects(Rectangle r)
+        {
+            Rectangles tmp = new Rectangles();
+
+            foreach (Rectangle rInList in list)
+                if (rInList.Intersect(r))
+                    tmp.list.Add(rInList.Clone);//on bypass le test déjà fait a l'ajout intial du rect dans la liste
+
+            return tmp;
+        }
+        public Rectangles SmallerContainedRects(Rectangle r)
+        {
+            Rectangles tmp = new Rectangles();
+
+            foreach (Rectangle rInList in list)
+                if (r.Contains(rInList) && rInList.Size < r.Size)
+                    tmp.list.Add(rInList.Clone);
+
+            return tmp;
+        }
+        public Rectangles SmallerRects(Rectangle r)
+        {
+            Rectangles tmp = new Rectangles();
+
+            foreach (Rectangle rInList in list)
+                if (rInList.Size < r.Size)
+                    tmp.list.Add(rInList.Clone);
+
+            return tmp;
+        }
+        public Rectangles containedRects(Rectangle r)
+        {
+            Rectangles tmp = new Rectangles();
+
+            foreach (Rectangle rInList in list)
+                if (r.Contains(rInList) && rInList.Size <= r.Size)
+                    tmp.list.Add(rInList.Clone);
+
+            return tmp;
+        }
+        public void Rebase(GraphicObject w)
+        {
+            Rectangle r = w.renderBounds;
+            List<Rectangle> newList = new List<Rectangle>();
+
+            foreach (Rectangle rInList in list)
+            {
+                Rectangle rebasedR = rInList.Clone;
+                rebasedR.TopLeft-= r.TopLeft;
+
+                ScrollingWidget sw = w as ScrollingWidget;
+                if (sw != null)
+                {
+                    if (sw.VerticalScrolling)
+                        rebasedR.Top -= sw.scrollY;
+                    if (sw.HorizontalScrolling)
+                        rebasedR.Left -= sw.scrollX;
+                }
+                newList.Add(rebasedR);
+            }
+            list = newList;        
+        }
+        public void clearAndClip(Context ctx)
+        {
+            //ctx.Save();
+            
+            foreach (Rectangle r in list)
+            {
+                ctx.Rectangle(r);
+            }
+
+            ctx.ClipPreserve();
+            ctx.Operator = Operator.Clear;
+            ctx.Fill();
+            ctx.Operator = Operator.Over;
+            //ctx.Restore();
+        }
+        public void clip(Context ctx)
+        {
+            foreach (Rectangle r in list)
+            {
+                ctx.Rectangle(r);
+            }
+
+            ctx.Clip();
+        }
+        public void clear(Context ctx)
+        {
+            //ctx.Save();
+
+            foreach (Rectangle r in list)
+            {
+                ctx.Rectangle(r);
+            }
+            ctx.Operator = Operator.Clear;
+            ctx.Fill();
+            ctx.Operator = Operator.Over;
+            //ctx.Restore();
+        }
+        //public RectanglesRelations test(Rectangle r)
+        //{
+        //    foreach (Rectangle rInList in list)
+        //    {
+        //        switch (rInList.test(r))
+        //        {
+        //            case RectanglesRelations.NoRelation:
+        //                break;
+        //            case RectanglesRelations.Intersect:
+        //                break;
+        //            case RectanglesRelations.Contains:
+        //                break;
+        //            case RectanglesRelations.Equal:
+        //                break;
+        //            default:
+        //                break;
+        //        }
+        //    }
+        //}
+    }
+}