?? dctcalculationdialog.cs
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using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using BitmapImage;
namespace MPEGBuilder1UI
{
/// <summary>
/// Summary description for DCTCalculationDialog.
/// </summary>
public class DCTCalculationDialog : System.Windows.Forms.Form
{
private System.Windows.Forms.ListView listView1;
private System.Windows.Forms.ListView listView2;
private System.Windows.Forms.ColumnHeader columnHeader1;
private System.Windows.Forms.ColumnHeader columnHeader2;
private System.Windows.Forms.ColumnHeader columnHeader3;
private System.Windows.Forms.ColumnHeader columnHeader4;
private System.Windows.Forms.ColumnHeader columnHeader5;
private System.Windows.Forms.ColumnHeader columnHeader6;
private System.Windows.Forms.ColumnHeader columnHeader7;
private System.Windows.Forms.ColumnHeader columnHeader8;
private System.Windows.Forms.ColumnHeader columnHeader9;
private System.Windows.Forms.ColumnHeader columnHeader10;
private System.Windows.Forms.ColumnHeader columnHeader11;
private System.Windows.Forms.ColumnHeader columnHeader12;
private System.Windows.Forms.ColumnHeader columnHeader13;
private System.Windows.Forms.ColumnHeader columnHeader14;
private System.Windows.Forms.ColumnHeader columnHeader15;
private System.Windows.Forms.ColumnHeader columnHeader16;
private System.Windows.Forms.ColumnHeader columnHeader17;
private System.Windows.Forms.ColumnHeader columnHeader18;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.Container components = null;
private System.Windows.Forms.Button button2;
public double[,] B = new double[8,8];
public int[,] S1 = new int[8,8];
public int[] zz = new int[64];
private System.Windows.Forms.Button button3;
private System.Windows.Forms.Button button4;
private System.Windows.Forms.Button button5;
MPEGFunctions MPEG = new MPEGFunctions();
public DCTCalculationDialog()
{
InitializeComponent();
button1.Enabled = true;
button2.Enabled = true;
button3.Enabled = false;
button4.Enabled = false;
button5.Enabled = false;
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
public DCTCalculationDialog(byte[,] valueMatrix)
{
// Write valueMatrix[] into ListView and initialize buttons
InitializeComponent();
FillPixelLV(valueMatrix);
B = MPEG.calculateDCT(valueMatrix);
FillDCTLV(B);
button1.Enabled = true;
button2.Enabled = true;
button3.Enabled = false;
button4.Enabled = false;
button5.Enabled = false;
}
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()
{
this.listView1 = new System.Windows.Forms.ListView();
this.columnHeader1 = new System.Windows.Forms.ColumnHeader();
this.columnHeader2 = new System.Windows.Forms.ColumnHeader();
this.columnHeader3 = new System.Windows.Forms.ColumnHeader();
this.columnHeader4 = new System.Windows.Forms.ColumnHeader();
this.columnHeader5 = new System.Windows.Forms.ColumnHeader();
this.columnHeader6 = new System.Windows.Forms.ColumnHeader();
this.columnHeader7 = new System.Windows.Forms.ColumnHeader();
this.columnHeader8 = new System.Windows.Forms.ColumnHeader();
this.columnHeader9 = new System.Windows.Forms.ColumnHeader();
this.listView2 = new System.Windows.Forms.ListView();
this.columnHeader10 = new System.Windows.Forms.ColumnHeader();
this.columnHeader11 = new System.Windows.Forms.ColumnHeader();
this.columnHeader12 = new System.Windows.Forms.ColumnHeader();
this.columnHeader13 = new System.Windows.Forms.ColumnHeader();
this.columnHeader14 = new System.Windows.Forms.ColumnHeader();
this.columnHeader15 = new System.Windows.Forms.ColumnHeader();
this.columnHeader16 = new System.Windows.Forms.ColumnHeader();
this.columnHeader17 = new System.Windows.Forms.ColumnHeader();
this.columnHeader18 = new System.Windows.Forms.ColumnHeader();
this.button1 = new System.Windows.Forms.Button();
this.label1 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.button2 = new System.Windows.Forms.Button();
this.button3 = new System.Windows.Forms.Button();
this.button4 = new System.Windows.Forms.Button();
this.button5 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// listView1
//
this.listView1.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
this.columnHeader1,
this.columnHeader2,
this.columnHeader3,
this.columnHeader4,
this.columnHeader5,
this.columnHeader6,
this.columnHeader7,
this.columnHeader8,
this.columnHeader9});
this.listView1.GridLines = true;
this.listView1.Location = new System.Drawing.Point(16, 32);
this.listView1.Name = "listView1";
this.listView1.Size = new System.Drawing.Size(368, 152);
this.listView1.TabIndex = 1;
this.listView1.View = System.Windows.Forms.View.Details;
//
// columnHeader1
//
this.columnHeader1.Text = "Pixel";
this.columnHeader1.Width = 40;
//
// columnHeader2
//
this.columnHeader2.Text = "x0";
this.columnHeader2.Width = 40;
//
// columnHeader3
//
this.columnHeader3.Text = "x1";
this.columnHeader3.Width = 40;
//
// columnHeader4
//
this.columnHeader4.Text = "x2";
this.columnHeader4.Width = 40;
//
// columnHeader5
//
this.columnHeader5.Text = "x3";
this.columnHeader5.Width = 40;
//
// columnHeader6
//
this.columnHeader6.Text = "x4";
this.columnHeader6.Width = 40;
//
// columnHeader7
//
this.columnHeader7.Text = "x5";
this.columnHeader7.Width = 40;
//
// columnHeader8
//
this.columnHeader8.Text = "x6";
this.columnHeader8.Width = 40;
//
// columnHeader9
//
this.columnHeader9.Text = "x7";
this.columnHeader9.Width = 40;
//
// listView2
//
this.listView2.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
this.columnHeader10,
this.columnHeader11,
this.columnHeader12,
this.columnHeader13,
this.columnHeader14,
this.columnHeader15,
this.columnHeader16,
this.columnHeader17,
this.columnHeader18});
this.listView2.GridLines = true;
this.listView2.Location = new System.Drawing.Point(16, 232);
this.listView2.Name = "listView2";
this.listView2.Size = new System.Drawing.Size(520, 168);
this.listView2.TabIndex = 2;
this.listView2.View = System.Windows.Forms.View.Details;
//
// columnHeader10
//
this.columnHeader10.Text = "S(i,j)";
this.columnHeader10.Width = 40;
//
// columnHeader11
//
this.columnHeader11.Text = "i0";
//
// columnHeader12
//
this.columnHeader12.Text = "i1";
//
// columnHeader13
//
this.columnHeader13.Text = "i2";
//
// columnHeader14
//
this.columnHeader14.Text = "i3";
//
// columnHeader15
//
this.columnHeader15.Text = "i4";
//
// columnHeader16
//
this.columnHeader16.Text = "i5";
//
// columnHeader17
//
this.columnHeader17.Text = "i6";
//
// columnHeader18
//
this.columnHeader18.Text = "i7";
//
// button1
//
this.button1.Location = new System.Drawing.Point(456, 416);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(75, 40);
this.button1.TabIndex = 3;
this.button1.Text = "Close";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// label1
//
this.label1.Location = new System.Drawing.Point(16, 8);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(100, 16);
this.label1.TabIndex = 4;
this.label1.Text = "PIXELS";
//
// label2
//
this.label2.Location = new System.Drawing.Point(16, 208);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(176, 16);
this.label2.TabIndex = 5;
this.label2.Text = "FREQUENCY COMPONENTS";
//
// button2
//
this.button2.Location = new System.Drawing.Point(24, 416);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(75, 40);
this.button2.TabIndex = 6;
this.button2.Text = "Quantize Default";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// button3
//
this.button3.Location = new System.Drawing.Point(128, 416);
this.button3.Name = "button3";
this.button3.Size = new System.Drawing.Size(75, 40);
this.button3.TabIndex = 7;
this.button3.Text = "Zigzag Order";
this.button3.Click += new System.EventHandler(this.button3_Click);
//
// button4
//
this.button4.Location = new System.Drawing.Point(232, 416);
this.button4.Name = "button4";
this.button4.Size = new System.Drawing.Size(75, 40);
this.button4.TabIndex = 8;
this.button4.Text = "DC Encode";
this.button4.Click += new System.EventHandler(this.button4_Click);
//
// button5
//
this.button5.Location = new System.Drawing.Point(336, 416);
this.button5.Name = "button5";
this.button5.Size = new System.Drawing.Size(75, 40);
this.button5.TabIndex = 9;
this.button5.Text = "AC Encode";
this.button5.Click += new System.EventHandler(this.button5_Click);
//
// DCTCalculationDialog
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(568, 469);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.button5,
this.button4,
this.button3,
this.button2,
this.label2,
this.label1,
this.button1,
this.listView2,
this.listView1});
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
this.MaximizeBox = false;
this.MinimizeBox = false;
this.Name = "DCTCalculationDialog";
this.Text = "DCTCalculationDialog";
this.ResumeLayout(false);
}
#endregion
private void button1_Click(object sender, System.EventArgs e)
{
this.Close();
}
private void FillPixelLV(byte[,] values)
{
// Write pixel values[] into ListView1
int i, j;
string[] rowRGB = new string[9];
byte pixelColor;
listView1.Items.Clear();
for (i=0; i<8; i++)
{
rowRGB[0] = "y" + i.ToString();
for (j=0; j<8; j++)
{
pixelColor = values[i,j];
rowRGB[j+1] = pixelColor.ToString();
}
listView1.Items.Add(new ListViewItem(rowRGB));
}
}
private void FillDCTLV(double[,] values)
{
// Write calculated DCT values into ListView2
int i, j;
string[] rowRGB = new string[9];
double DCTresult;
listView2.Items.Clear();
for (i=0; i<8; i++)
{
rowRGB[0] = "y" + i.ToString();
for (j=0; j<8; j++)
{
DCTresult = values[i,j];
rowRGB[j+1] = DCTresult.ToString("f3");
}
listView2.Items.Add(new ListViewItem(rowRGB));
}
}
private void FillDCTLV1(int[,] values)
{
// Write quantized DCT values[] into ListView2
int i, j;
string[] rowRGB = new string[9];
int Qresult;
listView2.Items.Clear();
for (i=0; i<8; i++)
{
rowRGB[0] = "y" + i.ToString();
for (j=0; j<8; j++)
{
Qresult = values[i,j];
rowRGB[j+1] = Qresult.ToString();
}
listView2.Items.Add(new ListViewItem(rowRGB));
}
}
private void FillDCTLV2(int[] values)
{
// Write reordered quantized DCT values[] into ListView2
int i, j;
string[] rowRGB = new string[9];
int ZZresult;
listView2.Items.Clear();
for (i=0; i<8; i++)
{
rowRGB[0] = "y" + i.ToString();
for (j=0; j<8; j++)
{
ZZresult = values[i*8 + j];
rowRGB[j+1] = ZZresult.ToString();
}
listView2.Items.Add(new ListViewItem(rowRGB));
}
}
private void button2_Click(object sender, System.EventArgs e)
{
// Quantize DCT coefficients
S1 = MPEG.Quantize(B);
FillDCTLV1(S1);
button3.Enabled = true;
button4.Enabled = false;
button5.Enabled = false;
}
private void button3_Click(object sender, System.EventArgs e)
{
// Put in zigzag order
zz = MPEG.Zigzag(S1);
FillDCTLV2(zz);
button4.Enabled = true;
button5.Enabled = true;
}
private void button4_Click(object sender, System.EventArgs e)
{
// Display DC coefficient
DCEncodeDialog dlg = new DCEncodeDialog(zz[0]);
dlg.ShowDialog();
}
private void button5_Click(object sender, System.EventArgs e)
{
// Display AC coefficient
byte[] ACbits = new byte[2048];
int i = 0;
ACbits = MPEG.ACHuffmanEncode(zz);
while (ACbits[i] != 255)
i++;
ByteListDialog dlg = new ByteListDialog(ACbits, i);
dlg.ShowDialog();
}
}
}
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