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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Cairo;
using System.Diagnostics;
namespace Crow
{
public class Rectangles
{
public List<Rectangle> list = new List<Rectangle>();
public int count
{
get { return list.Count; }
}
public void AddRectangle(Rectangle r)
{
if (doesNotContain (r)) {
list.Add (r);
boundsUpToDate = false;
}
}
public void Reset()
{
list = new List<Rectangle>();
_bounds = Rectangle.Empty;
boundsUpToDate = true;
}
bool doesNotContain(Rectangle r)
{
foreach (Rectangle rInList in list)
if (rInList.ContainsOrIsEqual(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);//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.ContainsOrIsEqual(rInList) && rInList.Size < r.Size)
tmp.list.Add(rInList);
return tmp;
}
/// <summary>
/// Return rectangles with size smaller than r.size
/// </summary>
public Rectangles SmallerRects(Rectangle r)
{
Rectangles tmp = new Rectangles();
foreach (Rectangle rInList in list)
if (rInList.Size < r.Size)
tmp.list.Add(rInList);
return tmp;
}
public Rectangles containedOrEqualRects(Rectangle r)
{
Rectangles tmp = new Rectangles();
foreach (Rectangle rInList in list)
if (r.ContainsOrIsEqual(rInList))// && rInList.Size <= r.Size)
tmp.list.Add(rInList);
return tmp;
}
public void Srcoll(GraphicObject w)
{
Scroller sw = w as Scroller;
if (sw == null)
return;
List<Rectangle> newList = new List<Rectangle>();
foreach (Rectangle rInList in list)
{
Rectangle r = rInList;
if (sw.VerticalScrolling)
r.Top -= (int)sw.ScrollY;
if (sw.HorizontalScrolling)
r.Left -= (int)sw.ScrollX;
newList.Add(r);
}
list = newList;
}
public void Rebase(GraphicObject w)
{
Rectangle r = w.Parent.ContextCoordinates(w.Slot);
List<Rectangle> newList = new List<Rectangle>();
foreach (Rectangle rInList in list)
{
Rectangle rebasedR = rInList;
rebasedR.TopLeft-= r.TopLeft;
Scroller sw = w as Scroller;
if (sw != null)
{
if (sw.VerticalScrolling) {
rebasedR.Top -= (int)sw.ScrollY;
// if (sw.scrollY < 0)
// Debug.WriteLine ("..");
}if (sw.HorizontalScrolling)
rebasedR.Left -= (int)sw.ScrollX;
}
newList.Add(rebasedR);
}
list = newList;
}
public void stroke(Context ctx, Color c)
{
foreach (Rectangle r in list)
{
ctx.Rectangle(r);
}
ctx.SetSourceColor(c);
ctx.LineWidth = 2;
ctx.Stroke ();
}
public void clearAndClip(Context ctx)
{
if (list.Count == 0)
return;
foreach (Rectangle r in list)
ctx.Rectangle(r);
ctx.ClipPreserve();
ctx.Operator = Operator.Clear;
ctx.Fill();
ctx.Operator = Operator.Over;
}
public void clip(Context ctx)
{
foreach (Rectangle r in list)
{
ctx.Rectangle(r);
}
ctx.Clip();
}
Rectangle _bounds;
bool boundsUpToDate = true;
public Rectangle Bounds {
get {
if (!boundsUpToDate) {
if (list.Count > 0) {
_bounds = list [0];
for (int i = 1; i < list.Count; i++) {
_bounds += list [i];
}
} else
_bounds = Rectangle.Empty;
boundsUpToDate = true;
}
return _bounds;
}
}
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 override string ToString ()
{
string tmp = "";
foreach (Rectangle r in list) {
tmp += r.ToString ();
}
return tmp;
}
}
}
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