using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ThinkGeo.MapSuite.Core;
using System.Collections.ObjectModel;
using System.Drawing;

namespace ThinkGeo_CustomClassMethods.Classes
{
    public class BlinkingTextStyle : TextStyle
    {
        private Collection<GeoBrush> candidates;

        string textColumnName1;
        GeoFont textFont1;
        GeoSolidBrush textSolidBrush1;
        GeoPen haloPen1;
        float xOffset1;
        float yOffset1;
        float rotateAngle1;
        public BlinkingTextStyle(string textColumnName, GeoFont textFont, GeoSolidBrush textSolidBrush,GeoPen haloPen, float xOffset, float yOffset, float rotateAngle)
        {
            textColumnName1 = textColumnName;
            textFont1 = textFont;
            textSolidBrush1 = textSolidBrush;
            haloPen1 = haloPen;
            xOffset1 = xOffset;
            yOffset1 = yOffset;
            rotateAngle1 = rotateAngle;

            candidates = new Collection<GeoBrush>();
        }

        protected override void DrawCore(IEnumerable<Feature> features, GeoCanvas canvas, System.Collections.ObjectModel.Collection<SimpleCandidate> labelsInThisLayer, System.Collections.ObjectModel.Collection<SimpleCandidate> labelsInAllLayers)
        {
            foreach (var feature in features)
            {
                PointShape location = (PointShape)feature.GetShape();
                ScreenPointF locationInScreen = ExtentHelper.ToScreenCoordinate(canvas.CurrentWorldExtent, location, canvas.Width, canvas.Height);
                Collection<ScreenPointF> textPathInScreen = new Collection<ScreenPointF> { locationInScreen };
                //canvas.DrawText(feature.ColumnValues["Name"], textFont1, GetFillBrush(), textPathInScreen, DrawingLevel);
                canvas.DrawText(feature.ColumnValues["Name"], textFont1, GetFillBrush(),haloPen1, textPathInScreen, DrawingLevel,xOffset1,yOffset1,rotateAngle1);
            }
        }

        public Collection<GeoBrush> FillBrushes
        {
            get { return candidates; }
        }

        private GeoBrush GetFillBrush()
        {
            Random random = new Random();
            int index = random.Next(candidates.Count);

            return candidates[index];
        }
    }
}