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using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Runtime.InteropServices;
using FreeImageAPI;
namespace FI
{
public class Form1 : System.Windows.Forms.Form
{
private UInt32 fi;
private System.ComponentModel.Container components = null;
public Form1()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
}
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(624, 450);
this.Name = "Form1";
this.Text = "Form1";
this.Load += new System.EventHandler(this.Form1_Load);
this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
private void Form1_Load(object sender, System.EventArgs e)
{
string img = @"C:\Temp\kodim22.png";
this.fi = FreeImage.Load(FREE_IMAGE_FORMAT.FIF_PNG, img, 0);
}
[DllImport("Gdi32.dll")]
private static extern int SetStretchBltMode(IntPtr HDC, int iStretchMode);
[DllImport("Gdi32.dll")]
private static extern int StretchDIBits(
IntPtr HDC,
int XDest, // x-coord of destination upper-left corner
int YDest, // y-coord of destination upper-left corner
int nDestWidth, // width of destination rectangle
int nDestHeight, // height of destination rectangle
int XSrc, // x-coord of source upper-left corner
int YSrc, // y-coord of source upper-left corner
int nSrcWidth, // width of source rectangle
int nSrcHeight, // height of source rectangle
IntPtr lpBits, // bitmap bits
BITMAPINFO lpBitsInfo, // bitmap data
uint iUsage, // usage options
int dwRop // raster operation code
);
private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
IntPtr hdc = e.Graphics.GetHdc();
int r = SetStretchBltMode(hdc, 3 /* COLORONCOLOR */);
r = StretchDIBits(hdc,
0, 0, this.ClientSize.Width, this.ClientSize.Height,
0, 0, (int)FreeImage.GetWidth(this.fi), (int)FreeImage.GetHeight(this.fi),
FreeImage.GetBits(this.fi),
FreeImage.GetInfo(this.fi),
0 /* DIB_RGB_COLORS */, 0x00CC0020 /* SRCCOPY */);
e.Graphics.ReleaseHdc(hdc);
}
}
}
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