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#region PDFsharp - A .NET library for processing PDF
//
// Authors:
// Klaus Potzesny (mailto:Klaus.Potzesny@pdfsharp.com)
//
// Copyright (c) 2005-2008 empira Software GmbH, Cologne (Germany)
//
// http://www.pdfsharp.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#endregion
using System;
using System.Diagnostics;
using System.ComponentModel;
using PdfSharp.Drawing;
namespace PdfSharp.Drawing.BarCodes
{
/// <summary>
/// Represents the base class of all bar codes.
/// </summary>
public abstract class BarCode : CodeBase
{
/// <summary>
/// Initializes a new instance of the <see cref="BarCode"/> class.
/// </summary>
/// <param name="text"></param>
/// <param name="size"></param>
/// <param name="direction"></param>
public BarCode(string text, XSize size, CodeDirection direction)
: base(text, size, direction)
{
this.text = text;
this.size = size;
this.direction = direction;
}
/// <summary>
/// Creates a bar code from the specified code type.
/// </summary>
public static BarCode FromType(CodeType type, string text, XSize size, CodeDirection direction)
{
switch (type)
{
case CodeType.Code2of5Interleaved:
return new Code2of5Interleaved(text, size, direction);
case CodeType.Code3of9Standard:
return new Code3of9Standard(text, size, direction);
default:
throw new InvalidEnumArgumentException("type", (int)type, typeof(CodeType));
}
}
/// <summary>
/// Creates a bar code from the specified code type.
/// </summary>
public static BarCode FromType(CodeType type, string text, XSize size)
{
return FromType(type, text, size, CodeDirection.LeftToRight);
}
/// <summary>
/// Creates a bar code from the specified code type.
/// </summary>
public static BarCode FromType(CodeType type, string text)
{
return FromType(type, text, XSize.Empty, CodeDirection.LeftToRight);
}
/// <summary>
/// Creates a bar code from the specified code type.
/// </summary>
public static BarCode FromType(CodeType type)
{
return FromType(type, String.Empty, XSize.Empty, CodeDirection.LeftToRight);
}
/// <summary>
/// When overridden in a derived class gets or sets the wide narrow ratio.
/// </summary>
public virtual double WideNarrowRatio
{
get { return 0; }
set { }
}
/// <summary>
/// Gets or sets the location of the text next to the bar code.
/// </summary>
public TextLocation TextLocation
{
get { return this.textLocation; }
set { this.textLocation = value; }
}
internal TextLocation textLocation;
/// <summary>
/// Gets or sets the length of the data that defines the bar code.
/// </summary>
public int DataLength
{
get { return this.dataLength; }
set { this.dataLength = value; }
}
internal int dataLength;
/// <summary>
/// Gets or sets the optional start chararacter.
/// </summary>
public char StartChar
{
get { return this.startChar; }
set { this.startChar = value; }
}
internal char startChar;
/// <summary>
/// Gets or sets the optional end chararacter.
/// </summary>
public char EndChar
{
get { return this.endChar; }
set { this.endChar = value; }
}
internal char endChar;
/// <summary>
/// Gets or sets a value indicating whether the turbo bit is to be drawn.
/// (A turbo bit is something special to Kern (computer output processing) company (as far as I know))
/// </summary>
public virtual bool TurboBit
{
get { return this.turboBit; }
set { this.turboBit = value; }
}
internal bool turboBit = false;
internal virtual void InitRendering(BarCodeRenderInfo info)
{
if (this.text == null)
throw new InvalidOperationException(BcgSR.BarCodeNotSet);
if (this.Size.IsEmpty)
throw new InvalidOperationException(BcgSR.EmptyBarCodeSize);
}
/// <summary>
/// When defined in a derived class renders the code.
/// </summary>
protected internal abstract void Render(XGraphics gfx, XBrush brush, XFont font, XPoint position);
}
}
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