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vendor: import KillerPDF 1.7.5 source (GPL-3.0) as the base for MMD PDF

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kua-agent
2026-08-27 06:58:22 +02:00
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third_party/PdfSharpCore/Drawing.BarCodes/CodeBase.cs
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#region PDFsharp - A .NET library for processing PDF
//
// Authors:
// Klaus Potzesny
//
// Copyright (c) 2005-2016 empira Software GmbH, Cologne Area (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
namespace PdfSharpCore.Drawing.BarCodes
{
/// <summary>
/// Represents the base class of all codes.
/// </summary>
public abstract class CodeBase
{
/// <summary>
/// Initializes a new instance of the <see cref="CodeBase"/> class.
/// </summary>
public CodeBase(string text, XSize size, CodeDirection direction)
{
_text = text;
_size = size;
_direction = direction;
}
//public static CodeBase 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));
// }
//}
//public static CodeBase FromType(CodeType type, string text, XSize size)
//{
// return FromType(type, text, size, CodeDirection.LeftToRight);
//}
//public static CodeBase FromType(CodeType type, string text)
//{
// return FromType(type, text, XSize.Empty, CodeDirection.LeftToRight);
//}
//public static CodeBase FromType(CodeType type)
//{
// return FromType(type, String.Empty, XSize.Empty, CodeDirection.LeftToRight);
//}
/// <summary>
/// Gets or sets the size.
/// </summary>
public XSize Size
{
get { return _size; }
set { _size = value; }
}
XSize _size;
/// <summary>
/// Gets or sets the text the bar code shall represent.
/// </summary>
public string Text
{
get { return _text; }
set
{
CheckCode(value);
_text = value;
}
}
string _text;
/// <summary>
/// Always MiddleCenter.
/// </summary>
public AnchorType Anchor
{
get { return _anchor; }
set { _anchor = value; }
}
AnchorType _anchor;
/// <summary>
/// Gets or sets the drawing direction.
/// </summary>
public CodeDirection Direction
{
get { return _direction; }
set { _direction = value; }
}
CodeDirection _direction;
/// <summary>
/// When implemented in a derived class, determines whether the specified string can be used as Text
/// for this bar code type.
/// </summary>
/// <param name="text">The code string to check.</param>
/// <returns>True if the text can be used for the actual barcode.</returns>
protected abstract void CheckCode(string text);
/// <summary>
/// Calculates the distance between an old anchor point and a new anchor point.
/// </summary>
/// <param name="oldType"></param>
/// <param name="newType"></param>
/// <param name="size"></param>
public static XVector CalcDistance(AnchorType oldType, AnchorType newType, XSize size)
{
if (oldType == newType)
return new XVector();
XVector result;
Delta delta = Deltas[(int)oldType, (int)newType];
result = new XVector(size.Width / 2 * delta.X, size.Height / 2 * delta.Y);
return result;
}
struct Delta
{
public Delta(int x, int y)
{
X = x;
Y = y;
}
public readonly int X;
public readonly int Y;
}
static readonly Delta[,] Deltas = new Delta[9, 9]
{
{ new Delta(0, 0), new Delta(1, 0), new Delta(2, 0), new Delta(0, 1), new Delta(1, 1), new Delta(2, 1), new Delta(0, 2), new Delta(1, 2), new Delta(2, 2) },
{ new Delta(-1, 0), new Delta(0, 0), new Delta(1, 0), new Delta(-1, 1), new Delta(0, 1), new Delta(1, 1), new Delta(-1, 2), new Delta(0, 2), new Delta(1, 2) },
{ new Delta(-2, 0), new Delta(-1, 0), new Delta(0, 0), new Delta(-2, 1), new Delta(-1, 1), new Delta(0, 1), new Delta(-2, 2), new Delta(-1, 2), new Delta(0, 2) },
{ new Delta(0, -1), new Delta(1, -1), new Delta(2, -1), new Delta(0, 0), new Delta(1, 0), new Delta(2, 0), new Delta(0, 1), new Delta(1, 1), new Delta(2, 1) },
{ new Delta(-1, -1), new Delta(0, -1), new Delta(1, -1), new Delta(-1, 0), new Delta(0, 0), new Delta(1, 0), new Delta(-1, 1), new Delta(0, 1), new Delta(1, 1) },
{ new Delta(-2, -1), new Delta(-1, -1), new Delta(0, -1), new Delta(-2, 0), new Delta(-1, 0), new Delta(0, 0), new Delta(-2, 1), new Delta(-1, 1), new Delta(0, 1) },
{ new Delta(0, -2), new Delta(1, -2), new Delta(2, -2), new Delta(0, -1), new Delta(1, -1), new Delta(2, -1), new Delta(0, 0), new Delta(1, 0), new Delta(2, 0) },
{ new Delta(-1, -2), new Delta(0, -2), new Delta(1, -2), new Delta(-1, -1), new Delta(0, -1), new Delta(1, -1), new Delta(-1, 0), new Delta(0, 0), new Delta(1, 0) },
{ new Delta(-2, -2), new Delta(-1, -2), new Delta(0, -2), new Delta(-2, -1), new Delta(-1, -1), new Delta(0, -1), new Delta(-2, 0), new Delta(-1, 0), new Delta(0, 0) },
};
}
}