www.pudn.com > WMACompressor.zip > InFormatEdit.cs
//
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
// PURPOSE. IT CAN BE DISTRIBUTED FREE OF CHARGE AS LONG AS THIS HEADER
// REMAINS UNCHANGED.
//
// Email: yetiicb@hotmail.com
//
// Copyright (C) 2002-2003 Idael Cardoso.
//
using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Windows.Forms;
using System.Globalization;
using WaveLib;
namespace Yeti.MMedia
{
///
/// Summary description for EditFormat.
///
public class EditFormat : System.Windows.Forms.UserControl, IEditFormat
{
private System.Windows.Forms.ComboBox comboBoxChannels;
private System.Windows.Forms.ComboBox comboBoxBitsPerSample;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.Label label2;
private Yeti.Controls.NumericTextBox textBoxSampleRate;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.ToolTip toolTip1;
private System.ComponentModel.IContainer components;
private WaveFormat m_OrigFormat;
private System.Windows.Forms.ErrorProvider errorProvider1;
private bool m_FireConfigChangeEvent = true;
public EditFormat()
{
// This call is required by the Windows.Forms Form Designer.
InitializeComponent();
this.Format = new WaveFormat(44100, 16, 2); //Set default values
}
///
/// Clean up any resources being used.
///
protected override void Dispose( bool disposing )
{
if( disposing )
{
if(components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
public bool ReadOnly
{
get
{
return textBoxSampleRate.ReadOnly;
}
set
{
textBoxSampleRate.ReadOnly = value;
comboBoxBitsPerSample.Enabled = comboBoxChannels.Enabled = !value;
}
}
#region Component Designer generated code
///
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
///
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
this.comboBoxChannels = new System.Windows.Forms.ComboBox();
this.comboBoxBitsPerSample = new System.Windows.Forms.ComboBox();
this.label3 = new System.Windows.Forms.Label();
this.label2 = new System.Windows.Forms.Label();
this.textBoxSampleRate = new Yeti.Controls.NumericTextBox();
this.label1 = new System.Windows.Forms.Label();
this.toolTip1 = new System.Windows.Forms.ToolTip(this.components);
this.errorProvider1 = new System.Windows.Forms.ErrorProvider();
this.SuspendLayout();
//
// comboBoxChannels
//
this.comboBoxChannels.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.comboBoxChannels.Items.AddRange(new object[] {
"MONO",
"STEREO"});
this.comboBoxChannels.Location = new System.Drawing.Point(96, 56);
this.comboBoxChannels.Name = "comboBoxChannels";
this.comboBoxChannels.Size = new System.Drawing.Size(112, 21);
this.comboBoxChannels.TabIndex = 13;
this.comboBoxChannels.SelectedIndexChanged += new System.EventHandler(this.comboBoxChannels_SelectedIndexChanged);
//
// comboBoxBitsPerSample
//
this.comboBoxBitsPerSample.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.comboBoxBitsPerSample.Items.AddRange(new object[] {
"8 bits per sample",
"16 bits per sample"});
this.comboBoxBitsPerSample.Location = new System.Drawing.Point(96, 96);
this.comboBoxBitsPerSample.Name = "comboBoxBitsPerSample";
this.comboBoxBitsPerSample.Size = new System.Drawing.Size(112, 21);
this.comboBoxBitsPerSample.TabIndex = 12;
this.comboBoxBitsPerSample.SelectedIndexChanged += new System.EventHandler(this.comboBoxBitsPerSample_SelectedIndexChanged);
//
// label3
//
this.label3.Location = new System.Drawing.Point(16, 96);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(88, 23);
this.label3.TabIndex = 11;
this.label3.Text = "Bits per sample:";
//
// label2
//
this.label2.Location = new System.Drawing.Point(16, 56);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(72, 16);
this.label2.TabIndex = 10;
this.label2.Text = "Audio mode:";
//
// textBoxSampleRate
//
this.textBoxSampleRate.Location = new System.Drawing.Point(96, 16);
this.textBoxSampleRate.Name = "textBoxSampleRate";
this.textBoxSampleRate.Size = new System.Drawing.Size(112, 20);
this.textBoxSampleRate.TabIndex = 8;
this.textBoxSampleRate.Text = "44100";
this.toolTip1.SetToolTip(this.textBoxSampleRate, "Sample rate, in samples per second. ");
this.textBoxSampleRate.Value = 44100;
this.textBoxSampleRate.FormatValid += new System.EventHandler(this.textBoxSampleRate_FormatValid);
this.textBoxSampleRate.FormatError += new System.EventHandler(this.textBoxSampleRate_FormatError);
this.textBoxSampleRate.TextChanged += new System.EventHandler(this.textBoxSampleRate_TextChanged);
//
// label1
//
this.label1.Location = new System.Drawing.Point(16, 16);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(72, 16);
this.label1.TabIndex = 9;
this.label1.Text = "Sample rate:";
//
// errorProvider1
//
this.errorProvider1.ContainerControl = this;
//
// EditFormat
//
this.Controls.Add(this.comboBoxChannels);
this.Controls.Add(this.comboBoxBitsPerSample);
this.Controls.Add(this.label3);
this.Controls.Add(this.label2);
this.Controls.Add(this.textBoxSampleRate);
this.Controls.Add(this.label1);
this.Name = "EditFormat";
this.Size = new System.Drawing.Size(288, 200);
this.ResumeLayout(false);
}
#endregion
#region IConfigControl Members
public void DoApply()
{
// Nothing to do
}
public void DoSetInitialValues()
{
m_FireConfigChangeEvent = false;
try
{
textBoxSampleRate.Text = m_OrigFormat.nSamplesPerSec.ToString();
if (m_OrigFormat.wBitsPerSample == 8)
{
comboBoxBitsPerSample.SelectedIndex = 0;
}
else
{
comboBoxBitsPerSample.SelectedIndex = 1;
}
if (m_OrigFormat.nChannels == 1)
{
comboBoxChannels.SelectedIndex = 0;
}
else
{
comboBoxChannels.SelectedIndex = 1;
}
}
finally
{
m_FireConfigChangeEvent = true;
}
}
[Browsable(false)]
public Control ConfigControl
{
get
{
return this;
}
}
[Browsable(false)]
public string ControlName
{
get
{
return "Input Format";
}
}
public event System.EventHandler ConfigChange;
#endregion
#region IEditFormat members
[Browsable(false)]
public WaveFormat Format
{
get
{
int rate = int.Parse(textBoxSampleRate.Text, NumberStyles.AllowLeadingWhite|NumberStyles.AllowTrailingWhite);
int bits;
int channels;
if (comboBoxBitsPerSample.SelectedIndex == 0)
{
bits = 8;
comboBoxBitsPerSample.SelectedIndex = 0;
}
else
{
bits = 16;
}
if (comboBoxChannels.SelectedIndex == 0)
{
channels = 1;
}
else
{
channels = 2;
}
return new WaveFormat(rate, bits, channels);
}
set
{
m_OrigFormat = value;
DoSetInitialValues();
}
}
#endregion
private void OnConfigChange(System.EventArgs e)
{
if ( m_FireConfigChangeEvent && (ConfigChange != null) )
{
ConfigChange(this, e);
}
}
private void textBoxSampleRate_TextChanged(object sender, System.EventArgs e)
{
// TODO: Validate text
OnConfigChange(EventArgs.Empty);
}
private void comboBoxChannels_SelectedIndexChanged(object sender, System.EventArgs e)
{
OnConfigChange(EventArgs.Empty);
}
private void comboBoxBitsPerSample_SelectedIndexChanged(object sender, System.EventArgs e)
{
OnConfigChange(EventArgs.Empty);
}
private void textBoxSampleRate_FormatError(object sender, System.EventArgs e)
{
errorProvider1.SetError(textBoxSampleRate, "Number expected");
}
private void textBoxSampleRate_FormatValid(object sender, System.EventArgs e)
{
errorProvider1.SetError(textBoxSampleRate, "");
}
}
}