Image Scale Isotropic
using System;
using System.Drawing;
using System.Windows.Forms;
class ImageScaleIsotropic: Form
{
Image image = Image.FromFile("Color.jpg");
public static void Main()
{
Application.Run(new ImageScaleIsotropic());
}
public ImageScaleIsotropic()
{
ResizeRedraw = true;
}
protected override void OnPaint(PaintEventArgs pea)
{
DoPage(pea.Graphics, ForeColor,ClientSize.Width, ClientSize.Height);
}
protected void DoPage(Graphics grfx, Color clr, int cx, int cy)
{
Rectangle rect = new Rectangle(0, 0, cx, cy);
SizeF sizef = new SizeF(image.Width / image.HorizontalResolution,
image.Height / image.VerticalResolution);
float fScale = Math.Min(rect.Width / sizef.Width,
rect.Height / sizef.Height);
sizef.Width *= fScale;
sizef.Height *= fScale;
grfx.DrawImage(image, rect.X + (rect.Width - sizef.Width ) / 2,
rect.Y + (rect.Height - sizef.Height) / 2,
sizef.Width, sizef.Height);
}
}
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