[longomatch] Add new Interfaces for drawing backends

[Andoni Morales Alastruey <amorales src gnome org>]

commit b9ddfe8c59d2953238f5f1240bec8e00cb5149fe
Author: Andoni Morales Alastruey <ylatuya gmail com>
Date:   Wed May 14 19:16:04 2014 +0200

    Add new Interfaces for drawing backends

 LongoMatch.Core/Common/Area.cs                     |   48 +++++++++++++++++++
 LongoMatch.Core/Common/Color.cs                    |   33 +++++--------
 LongoMatch.Core/Common/Enums.cs                    |   32 +++++++++++++
 LongoMatch.Core/Handlers/Drawing.cs                |   28 +++++++++++
 .../Interfaces/Drawing/ICanvasObject.cs            |   35 ++++++++++++++
 LongoMatch.Core/Interfaces/Drawing/IDrawable.cs    |   31 ++++++++++++
 .../Interfaces/Drawing/IDrawingToolkit.cs          |   49 ++++++++++++++++++++
 LongoMatch.Core/Interfaces/Drawing/IWidget.cs      |   39 ++++++++++++++++
 LongoMatch.Core/LongoMatch.Core.mdp                |    7 +++
 9 files changed, 282 insertions(+), 20 deletions(-)
---
diff --git a/LongoMatch.Core/Common/Area.cs b/LongoMatch.Core/Common/Area.cs
new file mode 100644
index 0000000..0e7fee1
--- /dev/null
+++ b/LongoMatch.Core/Common/Area.cs
@@ -0,0 +1,48 @@
+//
+//  Copyright (C) 2014 Andoni Morales Alastruey
+//
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation; either version 2 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program; if not, write to the Free Software
+//  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+//
+using System;
+using LongoMatch.Common;
+
+namespace LongoMatch.Common
+{
+       public class Area
+       {
+               public Area (Point start, double width, double height)
+               {
+                       Start = start;
+                       Width = width;
+                       Height = height;
+               }
+               
+               public Point Start {
+                       get;
+                       set;
+               }
+               
+               public double Width {
+                       get;
+                       set;
+               }
+               
+               public double Height {
+                       get;
+                       set;
+               }
+       }
+}
+
diff --git a/LongoMatch.Core/Common/Color.cs b/LongoMatch.Core/Common/Color.cs
index 102556b..04b7ac7 100644
--- a/LongoMatch.Core/Common/Color.cs
+++ b/LongoMatch.Core/Common/Color.cs
@@ -21,7 +21,7 @@ namespace LongoMatch.Common
 {
        public class Color
        {
-               public Color (short r, short g, short b, short a)
+               public Color (ushort r, ushort g, ushort b, ushort a=ushort.MaxValue)
                {
                        R = r;
                        G = g;
@@ -29,22 +29,22 @@ namespace LongoMatch.Common
                        A = a;
                }
                
-               public short R {
+               public ushort R {
                        get;
                        set;
                }
                
-               public short G {
+               public ushort G {
                        get;
                        set;
                }
                
-               public short B {
+               public ushort B {
                        get;
                        set;
                }
                
-               public short A {
+               public ushort A {
                        get;
                        set;
                }
@@ -62,27 +62,20 @@ namespace LongoMatch.Common
                {
                        return (Int32)R<<24 | (Int32)G<<16 | (Int32)B<<8 | (Int32)A;
                }
-       }
-
-       public class ColorHelper
-       {
-       
-               static public ushort ByteToShort (Byte val) {
+               
+               static public ushort ByteToUShort (Byte val) {
                        var ret = (ushort) (((float)val) / byte.MaxValue * ushort.MaxValue);
                        return ret;
                }
-               
-               static public byte ShortToByte (ushort val) {
-                       return (byte) (((float)val) / ushort.MaxValue * byte.MaxValue);
+
+               static Color ColorFromRGB (byte r, byte g, byte b) {
+                       return new Color (ByteToUShort (r), ByteToUShort (g), ByteToUShort (b));
                }
                
-               static public double ShortToDouble (ushort val) {
-                       return (double) (val) / ushort.MaxValue;
-               }
                
-               static public double ByteToDouble (byte val) {
-                       return (double) (val) / byte.MaxValue;
-               }
+               static public Color Black = new Color (0, 0, 0);
+               static public Color White = new Color (ushort.MaxValue, ushort.MaxValue, ushort.MaxValue);
+               static public Color Grey = ColorFromRGB (190, 190, 190);
        }
 }
 
diff --git a/LongoMatch.Core/Common/Enums.cs b/LongoMatch.Core/Common/Enums.cs
index 4c1ba72..77de8d6 100644
--- a/LongoMatch.Core/Common/Enums.cs
+++ b/LongoMatch.Core/Common/Enums.cs
@@ -176,4 +176,36 @@ namespace LongoMatch.Common
                DoubleArrow,
                Rounded
        }
+       
+       public enum FontSlant {
+               Italic,
+               Normal,
+               Oblique,
+       }
+       
+       public enum FontWeight {
+               Normal,
+               Bold
+       }
+       
+       public enum ButtonType {
+               None,
+               Left,
+               Center,
+               Right
+       }
+       
+       public enum ButtonModifier {
+               None,
+               Shift,
+               Control
+       }
+       
+       public enum CursorType {
+               Arrow,
+               DoubleArrow,
+               Selection,
+               Cross,
+       }
 }
+
diff --git a/LongoMatch.Core/Handlers/Drawing.cs b/LongoMatch.Core/Handlers/Drawing.cs
new file mode 100644
index 0000000..7615b4c
--- /dev/null
+++ b/LongoMatch.Core/Handlers/Drawing.cs
@@ -0,0 +1,28 @@
+//
+//  Copyright (C) 2014 Andoni Morales Alastruey
+//
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation; either version 2 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program; if not, write to the Free Software
+//  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+//
+using System;
+using LongoMatch.Common;
+
+namespace LongoMatch.Handlers.Drawing
+{
+       public delegate void DrawingHandler (object context, Area area);
+       public delegate void ButtonPressedHandler (Point coords, uint time, ButtonType type, ButtonModifier 
modifier);
+       public delegate void ButtonReleasedHandler (Point coords, ButtonType type, ButtonModifier modifier);
+       public delegate void MotionHandler (Point coords);
+}
+
diff --git a/LongoMatch.Core/Interfaces/Drawing/ICanvasObject.cs 
b/LongoMatch.Core/Interfaces/Drawing/ICanvasObject.cs
new file mode 100644
index 0000000..e7396f0
--- /dev/null
+++ b/LongoMatch.Core/Interfaces/Drawing/ICanvasObject.cs
@@ -0,0 +1,35 @@
+//
+//  Copyright (C) 2014 Andoni Morales Alastruey
+//
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation; either version 2 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program; if not, write to the Free Software
+//  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+//
+using System;
+using LongoMatch.Interfaces;
+using LongoMatch.Common;
+using LongoMatch.Store.Drawables;
+using LongoMatch.Interfaces.Drawing;
+
+namespace LongoMatch.Interfaces.Drawing
+{
+       public interface ICanvasObject
+       {
+               void Draw (IDrawingToolkit tk, Area area);
+       }
+       
+       public interface ICanvasSelectableObject: ICanvasObject, IDrawable
+       {
+       }
+}
+
diff --git a/LongoMatch.Core/Interfaces/Drawing/IDrawable.cs b/LongoMatch.Core/Interfaces/Drawing/IDrawable.cs
new file mode 100644
index 0000000..88a6b6e
--- /dev/null
+++ b/LongoMatch.Core/Interfaces/Drawing/IDrawable.cs
@@ -0,0 +1,31 @@
+//
+//  Copyright (C) 2014 Andoni Morales Alastruey
+//
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation; either version 2 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program; if not, write to the Free Software
+//  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+//
+using System;
+using LongoMatch.Store.Drawables;
+using LongoMatch.Common;
+
+namespace LongoMatch.Interfaces.Drawing
+{
+       public interface IDrawable
+       {
+               bool Selected {get;set;}
+               Selection GetSelection (Point point, double precision);
+               void Move (Selection s, Point dst, Point start);
+       }
+}
+
diff --git a/LongoMatch.Core/Interfaces/Drawing/IDrawingToolkit.cs 
b/LongoMatch.Core/Interfaces/Drawing/IDrawingToolkit.cs
new file mode 100644
index 0000000..df4a3a3
--- /dev/null
+++ b/LongoMatch.Core/Interfaces/Drawing/IDrawingToolkit.cs
@@ -0,0 +1,49 @@
+//
+//  Copyright (C) 2014 Andoni Morales Alastruey
+//
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation; either version 2 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program; if not, write to the Free Software
+//  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+//
+using System;
+using LongoMatch.Common;
+using System.Collections.Generic;
+
+namespace LongoMatch.Interfaces
+{
+       public interface IDrawingToolkit
+       {
+               object Context {set;}
+               int LineWidth {set;}
+               Color StrokeColor {set;}
+               Color FillColor {set;}
+               Point Translation {set;}
+               string FontFamily {set;}
+               FontSlant FontSlant {set;}
+               FontWeight FontWeight {set;}
+               
+               void Begin();
+               void End();
+               void DrawLine (Point start, Point stop);
+               void DrawTriangle (Point corner, double width, double height);
+               void DrawRectangle (Point start, double width, double height);
+               void DrawRoundedRectangle (Point start, double width, double height, double radius);
+               void DrawArea (List<Point> vertices);
+               void DrawPoint (Point point);
+               void DrawCircle (Point center, double radius);
+               void DrawEllipse (Point center, double axisX, double axisY);
+               void DrawText (Point point, double width, double height, string text);
+               void DrawImage (Point start, double width, double height, Image image); 
+       }
+}
+
diff --git a/LongoMatch.Core/Interfaces/Drawing/IWidget.cs b/LongoMatch.Core/Interfaces/Drawing/IWidget.cs
new file mode 100644
index 0000000..d2f8277
--- /dev/null
+++ b/LongoMatch.Core/Interfaces/Drawing/IWidget.cs
@@ -0,0 +1,39 @@
+//
+//  Copyright (C) 2014 Andoni Morales Alastruey
+//
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation; either version 2 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program; if not, write to the Free Software
+//  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+//
+using System;
+using LongoMatch.Handlers.Drawing;
+using LongoMatch.Common;
+
+namespace LongoMatch.Interfaces.Drawing
+{
+       public interface IWidget
+       {
+               event DrawingHandler DrawEvent;
+               event ButtonPressedHandler ButtonPressEvent;
+               event ButtonReleasedHandler ButtonReleasedEvent;
+               event MotionHandler MotionEvent;
+               
+               double Width {get;set;}
+               double Height {get;set;}
+               void QueueDraw ();
+               void Redraw (Area area = null);
+               void Redraw (ICanvasObject obj);
+               void SetCursor (CursorType type);
+       }
+}
+
diff --git a/LongoMatch.Core/LongoMatch.Core.mdp b/LongoMatch.Core/LongoMatch.Core.mdp
index 52b6089..bcd125f 100644
--- a/LongoMatch.Core/LongoMatch.Core.mdp
+++ b/LongoMatch.Core/LongoMatch.Core.mdp
@@ -129,6 +129,13 @@
     <File subtype="Code" buildaction="Compile" name="Store/Coordinates.cs" />
     <File subtype="Code" buildaction="Compile" name="Store/Point.cs" />
     <File subtype="Code" buildaction="Compile" name="Store/Drawables/Circle.cs" />
+    <File subtype="Code" buildaction="Compile" name="Common/Area.cs" />
+    <File subtype="Directory" buildaction="Compile" name="Interfaces/Drawing" />
+    <File subtype="Code" buildaction="Compile" name="Interfaces/Drawing/IDrawingToolkit.cs" />
+    <File subtype="Code" buildaction="Compile" name="Interfaces/Drawing/IWidget.cs" />
+    <File subtype="Code" buildaction="Compile" name="Handlers/Drawing.cs" />
+    <File subtype="Code" buildaction="Compile" name="Interfaces/Drawing/IDrawable.cs" />
+    <File subtype="Code" buildaction="Compile" name="Interfaces/Drawing/ICanvasObject.cs" />
   </Contents>
   <References>
     <ProjectReference type="Gac" localcopy="True" refto="System, Version=4.0.0.0, Culture=neutral, 
PublicKeyToken=b77a5c561934e089" />