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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using QuickRoute.BusinessEntities;
namespace QuickRoute.Controls
{
public partial class ZoomWindow : UserControl
{
private PointD center;
private double zoom = 1;
public PointD Center
{
get { return center; }
set { center = value; }
}
public double Zoom
{
get { return zoom; }
set { zoom = value; }
}
public ZoomWindow()
{
InitializeComponent();
}
public void Draw(Document document)
{
Image image = document.Map.Image;
Graphics g = this.CreateGraphics();
RectangleF destRect = new RectangleF(0F, 0F, (float)this.Width, (float)this.Height);
RectangleF srcRect = new RectangleF(
(float)(center.X - this.Width / zoom / 2),
(float)(center.Y - this.Height / zoom / 2),
(float)(this.Width / zoom),
(float)(this.Height / zoom));
g.DrawImage(image, destRect, srcRect, GraphicsUnit.Pixel);
}
}
}
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