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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/XPen.cs
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#region PDFsharp - A .NET library for processing PDF
//
// Authors:
// Stefan Lange
//
// 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
using System;
using PdfSharpCore.Internal;
namespace PdfSharpCore.Drawing
{
// TODO Free GDI objects (pens, brushes, ...) automatically without IDisposable.
/// <summary>
/// Defines an object used to draw lines and curves.
/// </summary>
public sealed class XPen
{
/// <summary>
/// Initializes a new instance of the <see cref="XPen"/> class.
/// </summary>
public XPen(XColor color)
: this(color, 1, false)
{ }
/// <summary>
/// Initializes a new instance of the <see cref="XPen"/> class.
/// </summary>
public XPen(XColor color, double width)
: this(color, width, false)
{ }
internal XPen(XColor color, double width, bool immutable)
{
_color = color;
_width = width;
_lineJoin = XLineJoin.Miter;
_lineCap = XLineCap.Flat;
_dashStyle = XDashStyle.Solid;
_dashOffset = 0f;
_immutable = immutable;
}
/// <summary>
/// Initializes a new instance of the <see cref="XPen"/> class
/// </summary>
/// <param name="brush"></param>
public XPen(XBrush brush) : this(brush, 1, false) { }
/// <summary>
/// Initializes a new instance of the <see cref="XPen"/> class
/// </summary>
/// <param name="brush"></param>
/// <param name="width"></param>
public XPen(XBrush brush, double width) : this(brush, width, false) { }
internal XPen(XBrush brush, double width, bool immutable)
{
_brush = brush;
_width = width;
_lineJoin = XLineJoin.Miter;
_lineCap = XLineCap.Flat;
_dashStyle = XDashStyle.Solid;
_dashOffset = 0f;
_immutable = immutable;
}
/// <summary>
/// Initializes a new instance of the <see cref="XPen"/> class.
/// </summary>
public XPen(XPen pen)
{
_color = pen._color;
_width = pen._width;
_lineJoin = pen._lineJoin;
_lineCap = pen._lineCap;
_dashStyle = pen._dashStyle;
_dashOffset = pen._dashOffset;
_dashPattern = pen._dashPattern;
if (_dashPattern != null)
_dashPattern = (double[])_dashPattern.Clone();
}
/// <summary>
/// Clones this instance.
/// </summary>
public XPen Clone()
{
return new XPen(this);
}
public XBrush Brush
{
get => _brush;
set
{
if (_immutable)
throw new ArgumentException(PSSR.CannotChangeImmutableObject("XPen"));
_dirty = _dirty || _brush != value;
_brush = value;
_color = XColor.Empty;
}
}
internal XBrush _brush;
/// <summary>
/// Gets or sets the color.
/// </summary>
public XColor Color
{
get { return _color; }
set
{
if (_immutable)
throw new ArgumentException(PSSR.CannotChangeImmutableObject("XPen"));
_dirty = _dirty || _color != value;
_color = value;
_brush = null;
}
}
internal XColor _color;
/// <summary>
/// Gets or sets the width.
/// </summary>
public double Width
{
get { return _width; }
set
{
if (_immutable)
throw new ArgumentException(PSSR.CannotChangeImmutableObject("XPen"));
_dirty = _dirty || _width != value;
_width = value;
}
}
internal double _width;
/// <summary>
/// Gets or sets the line join.
/// </summary>
public XLineJoin LineJoin
{
get { return _lineJoin; }
set
{
if (_immutable)
throw new ArgumentException(PSSR.CannotChangeImmutableObject("XPen"));
_dirty = _dirty || _lineJoin != value;
_lineJoin = value;
}
}
internal XLineJoin _lineJoin;
/// <summary>
/// Gets or sets the line cap.
/// </summary>
public XLineCap LineCap
{
get { return _lineCap; }
set
{
if (_immutable)
throw new ArgumentException(PSSR.CannotChangeImmutableObject("XPen"));
_dirty = _dirty || _lineCap != value;
_lineCap = value;
}
}
internal XLineCap _lineCap;
/// <summary>
/// Gets or sets the miter limit.
/// </summary>
public double MiterLimit
{
get { return _miterLimit; }
set
{
if (_immutable)
throw new ArgumentException(PSSR.CannotChangeImmutableObject("XPen"));
_dirty = _dirty || _miterLimit != value;
_miterLimit = value;
}
}
internal double _miterLimit;
/// <summary>
/// Gets or sets the dash style.
/// </summary>
public XDashStyle DashStyle
{
get { return _dashStyle; }
set
{
if (_immutable)
throw new ArgumentException(PSSR.CannotChangeImmutableObject("XPen"));
_dirty = _dirty || _dashStyle != value;
_dashStyle = value;
}
}
internal XDashStyle _dashStyle;
/// <summary>
/// Gets or sets the dash offset.
/// </summary>
public double DashOffset
{
get { return _dashOffset; }
set
{
if (_immutable)
throw new ArgumentException(PSSR.CannotChangeImmutableObject("XPen"));
_dirty = _dirty || _dashOffset != value;
_dashOffset = value;
}
}
internal double _dashOffset;
/// <summary>
/// Gets or sets the dash pattern.
/// </summary>
public double[] DashPattern
{
get
{
if (_dashPattern == null)
_dashPattern = new double[0];
return _dashPattern;
}
set
{
if (_immutable)
throw new ArgumentException(PSSR.CannotChangeImmutableObject("XPen"));
int length = value.Length;
//if (length == 0)
// throw new ArgumentException("Dash pattern array must not be empty.");
for (int idx = 0; idx < length; idx++)
{
if (value[idx] <= 0)
throw new ArgumentException("Dash pattern value must greater than zero.");
}
_dirty = true;
_dashStyle = XDashStyle.Custom;
_dashPattern = (double[])value.Clone();
}
}
internal double[] _dashPattern;
/// <summary>
/// Gets or sets a value indicating whether the pen enables overprint when used in a PDF document.
/// Experimental, takes effect only on CMYK color mode.
/// </summary>
public bool Overprint
{
get { return _overprint; }
set
{
if (_immutable)
throw new ArgumentException(PSSR.CannotChangeImmutableObject("XPen"));
_overprint = value;
}
}
internal bool _overprint;
bool _dirty = true;
readonly bool _immutable;
}
}