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SVG Artiste - An SVG Editor

, 3 Aug 2010 CPOL 37K 7.4K 73
A Vector based tool to create and edit SVG images
SVGArtiste2_exe.zip
SvgArtiste.exe
SvgArtiste.vshost.exe.manifest
SVGLib.dll
Crom.Controls.dll
Draw.dll
SVGArtiste2_SampleSVGDrawings.zip
mercialago18.svg
SVGArtiste.svg
SVGArtiste2_src.zip
SVGLib
SVGLib.csproj.user
SVGLib.ndoc
SvgArtiste2.suo
Crom.Controls
Dock16x16.bmp
Internal
Docking
ControlCollections
Controls
DockButtons
Forms
Engine
Enums
EventArgs
Helpers
SharedHelpers
Properties
Public
Docking
Enums
EventArgs
Helpers
Renderers
TabbedDocument
Controls
Enums
Helpers
Renderers
Base
Draw
Command
Draw.csproj.user
RulerControl
Ruler.bmp
SvgArtiste2
Properties
Settings.settings
Resources
cancel.png
Ellipse.cur
exit.png
exit1.png
Line.cur
new.png
new_page.png
open.png
open1.png
pan.cur
pan_close.cur
Pencil.cur
Rectangle.cur
save.png
save_as.png
save_as1.png
Text.cur
SVGArtiste.csproj.user
Tools
Forms
UserControls
/*  --------------------------------------------------------------------------------------------------------------
 *  I Software Innovations
 *  --------------------------------------------------------------------------------------------------------------
 *  SVG Artieste 2.0
 *  --------------------------------------------------------------------------------------------------------------
 *  File     :       DrawObject.cs
 *  Author   :       ajaysbritto@yahoo.com
 *  Date     :       20/03/2010
 *  --------------------------------------------------------------------------------------------------------------
 *  Change Log
 *  --------------------------------------------------------------------------------------------------------------
 *  Author	Comments
 */

using System;
using System.Windows.Forms;
using System.Drawing;
using System.Diagnostics;
using System.Globalization;
using System.Xml;

using SVGLib;
using System.ComponentModel;

namespace Draw 
{
	/// <summary>
	/// Base class for all draw objects
	/// </summary>
	public abstract class DrawObject : ICloneable
	{
		public static PointF Dpi;
        public static int ObjectId; //Initial value of static in is 0

		#region Properties

	    [Browsable(false)]
	    public bool HitOnCircumferance { get; set; }

	    [Browsable(false)]
	    public int Id { get; set; }

	    /// <summary>
	    /// Selection flag
	    /// </summary>
	    [Browsable(false)]
	    public bool Selected { get; set; }

	    /// <summary>
	    /// Color
	    /// </summary>
	    public Color Fill { get; set; }

	    /// <summary>
        /// Stroke
	    /// </summary>
	    public Color Stroke { get; set; }

	    /// <summary>
	    /// Pen width
	    /// </summary>
        [Browsable(false)]
	    protected float StrokeWidth { get; set; }

        public int Thick
        {
            get
            {
                return (int)(StrokeWidth / Zoom);
            }
            set
            {
                StrokeWidth = (int)(value * Zoom);
            }
        }

        public static float Zoom = 1;

	    /// <summary>
		/// Number of handles
		/// </summary>
        [Browsable(false)]
		public virtual int HandleCount
		{
			get
			{
				return 0;
			}
		}

	    /// <summary>
	    /// Last used color
	    /// </summary>
	    public static Color LastUsedColor { get; set; }

	    /// <summary>
	    /// Last used pen width
	    /// </summary>
	    public static float LastUsedPenWidth { get; set; }

	    public string Name { get; set; }

	    #endregion

		#region Virtual Functions

		/// <summary>
		/// Draw object
		/// </summary>
		/// <param name="g"></param>
		public virtual void Draw(Graphics g)
		{
		}

	    protected DrawObject()
        {
            Name = "";
            Fill = Color.Empty;
            Id = 0;
            SetId();
        }

	    static DrawObject()
	    {
	        LastUsedPenWidth = 1;
	        LastUsedColor = Color.Black;
	    }

	    private void SetId()
        {
            Id = ObjectId++;
        }

		/// <summary>
		/// Get handle point by 1-based number
		/// </summary>
		/// <param name="handleNumber"></param>
		/// <returns></returns>
		public virtual PointF GetHandle(int handleNumber)
		{
			return new PointF(0, 0);
		}

		/// <summary>
		/// Get handle rectangle by 1-based number
		/// </summary>
		/// <param name="handleNumber"></param>
		/// <returns></returns>
		public virtual RectangleF GetHandleRectangle(int handleNumber)
		{
			var point = GetHandle(handleNumber);

			return new RectangleF(point.X - 3, point.Y - 3, 7, 7);
		}

		/// <summary>
		/// Draw tracker for selected object
		/// </summary>
		/// <param name="g"></param>
		public virtual void DrawTracker(Graphics g)
		{
			if ( ! Selected )
				return;

			var brush = new SolidBrush(Color.Black);

			for ( int i = 1; i <= HandleCount; i++ )
			{
				try
				{
					g.FillRectangle(brush, GetHandleRectangle(i));
				} 
				catch
				{}
			}

			brush.Dispose();
		}

		/// <summary>
		/// Hit test.
		/// Return value: -1 - no hit
		///                0 - hit anywhere
		///                > 1 - handle number
		/// </summary>
		/// <param name="point"></param>
		/// <returns></returns>
		public virtual int HitTest(PointF point)
		{
			return -1;
		}


		/// <summary>
		/// Test whether point is inside of the object
		/// </summary>
		/// <param name="point"></param>
		/// <returns></returns>
		protected virtual bool PointInObject(PointF point)
		{
			return false;
		}
        
		/// <summary>
		/// Get cursor for the handle
		/// </summary>
		/// <param name="handleNumber"></param>
		/// <returns></returns>
		public virtual Cursor GetHandleCursor(int handleNumber)
		{
			return Cursors.Default;
		}

        /// <summary>
		/// Get curesor for the border handle
		/// </summary>
		/// <param name="handleNumber"></param>
		/// <returns></returns>
        public virtual Cursor GetOutlineCursor(int handleNumber)
		{
            return Cursors.Cross;
		}

		/// <summary>
		/// Test whether object intersects with rectangle
		/// </summary>
		/// <param name="rectangle"></param>
		/// <returns></returns>
		public virtual bool IntersectsWith(RectangleF rectangle)
		{
			return false;
		}

		/// <summary>
		/// Move object
		/// </summary>
		/// <param name="deltaX"></param>
		/// <param name="deltaY"></param>
		public virtual void Move(float deltaX, float deltaY)
		{
		}

		/// <summary>
		/// Move handle to the point
		/// </summary>
		/// <param name="point"></param>
		/// <param name="handleNumber"></param>
		public virtual void MoveHandleTo(PointF point, int handleNumber)
		{
		}

        /// <summary>
        /// mouse click on a handle
        /// </summary>
        /// <param name="handle"></param>
        public virtual void MouseClickOnHandle(int handle)
        {
        }

		/// <summary>
		/// Dump (for debugging)
		/// </summary>
		public virtual void Dump()
		{
			Trace.WriteLine("");
			Trace.WriteLine(GetType().Name);
			Trace.WriteLine("Selected = " + Selected.ToString(CultureInfo.InvariantCulture));
		}

		/// <summary>
		/// Normalize object.
		/// Call this function in the end of object resizing.
		/// </summary>
		public virtual void Normalize()
		{
		}

        /// <summary>
        /// Normalize object.
        /// </summary>
        public virtual void MouseClickOnBorder()
        {

        }

		/// <summary>
		/// Save object to serialization stream
		/// </summary>
        /// <param name="writer"></param>
        /// <param name="scale"></param>
		public virtual void SaveToXml(XmlTextWriter writer,double scale)
		{
		}

		/// <summary>
		/// Load object from serialization stream
		/// </summary>
        /// <param name="reader"></param>
		public virtual void LoadFromXml(XmlTextReader reader)
		{
		}

		#endregion

		#region Other functions

		/// <summary>
		/// Initialization
		/// </summary>
		public virtual void Initialize()
		{
			Stroke = LastUsedColor;
			StrokeWidth = LastUsedPenWidth * Zoom;
		}

		public static string Color2String(Color c)
		{
			if ( c.IsNamedColor )
			{
				return c.Name;
			}

		    byte[] bytes = BitConverter.GetBytes(c.ToArgb());

		    string sColor = "#";
		    sColor += BitConverter.ToString(bytes, 2, 1);
		    sColor += BitConverter.ToString(bytes, 1, 1);
		    sColor += BitConverter.ToString(bytes, 0, 1);

		    return sColor;
		}

		public virtual string GetXmlStr(SizeF scale)
		{
			return "";
		}

		public string GetStrStyle(SizeF scale)
		{
			return GetStringStyle(Stroke,Fill,StrokeWidth,scale);
		}

		public static string GetStringStyle(Color color,Color fill,float strokewidth,SizeF scale)
		{
			float strokeWidth = strokewidth/scale.Width;
		    string sfill = fill != Color.Empty ? Color2String(fill) : "none";
			string sc = " style = \"fill:"+sfill+"; stroke:"+Color2String(color)+"; stroke-width:"+strokeWidth.ToString(CultureInfo.InvariantCulture)+"\"";
			return sc;
		}

		public virtual void Resize(SizeF newscale,SizeF oldscale) 
		{
		}

		public static PointF RecalcPoint(PointF pp, SizeF newscale,SizeF oldscale)
		{
			PointF p = pp;
			p.X = p.X/oldscale.Width;
			p.Y = p.Y/oldscale.Height;
			p.X = p.X*newscale.Width;
			p.Y = p.Y*newscale.Height;
			return p;
		}

		public static float RecalcFloat(float val, float newscale1,float oldscale1)
		{
			val = val/oldscale1;
			val = val*newscale1;
			return val;
		}

		public void RecalcStrokeWidth(SizeF newscale,SizeF oldscale)
		{
			StrokeWidth = RecalcFloat(StrokeWidth, newscale.Width,oldscale.Width);
		}

		public void SetStyleFromSvg(SvgBasicShape svg)
		{
			Stroke = svg.Stroke;
			StrokeWidth = ParseSize(svg.StrokeWidth,Dpi.X);
			Fill = svg.Fill != Color.Transparent ? svg.Fill : Color.Empty;
		}

		public static float ParseSize(string str, float dpi)
		{
			float koef = 1;
		    int ind = str.IndexOf("pt");
			if (ind == -1)
				ind = str.IndexOf("px");
			if (ind == -1)
				ind = str.IndexOf("pc");
			if (ind == -1)
			{
				ind = str.IndexOf("cm");
				if (ind > 0)
				{
					koef = dpi/2.54f;
				}
			}
			if (ind == -1)
			{
				ind = str.IndexOf("mm");
				if (ind > 0)
				{
					koef = dpi/25.4f;
				}
			}
			if (ind == -1)
			{
				ind = str.IndexOf("in");
				if (ind > 0)
				{
					koef = dpi;
				}
			}
			if (ind > 0 )
				str = str.Substring(0,ind);
			str = RemoveAlphas(str);
			try
			{
				float res = float.Parse(str,CultureInfo.InvariantCulture);
				if (koef != 1.1)
					res *= koef;
				return res;
			} 
			catch (Exception ex)
			{
				ErrH.Log("ParseFloat()", "DrawObject", ex.ToString(), ErrH._LogPriority.Info);
				return 0;
			}
		}

		static string RemoveAlphas(string str)
		{
			string s = str.Trim();
			string res = "";
			for (int i = 0; i < s.Length; i++)
			{
				if (s[i] < '0' || s[i] > '9')
					if (s[i] != '.')
						continue;
				res += s[i];
			}
			return res;
        }

        #endregion

        #region ICloneable Members

        public virtual object Clone()
        {
            return MemberwiseClone();
        }

        #endregion
    }
}

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About the Author

Ajay Britto
Engineer
Singapore Singapore
He is a Microsoft technology enthusiast, who wish to create applications which others find useful.He loves making small tools and getting involved in architecting bigger systems.

He is currently working as a professional developer in a software development firm in .Net technologies.

He likes reading technical blogs, contributing to opensource and most importantly, enjoying life.

His ambition is to be an impressive software maker.

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