248 lines
8.2 KiB
C#
248 lines
8.2 KiB
C#
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#region PDFsharp - A .NET library for processing PDF
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//
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// Authors:
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// Klaus Potzesny
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//
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// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
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//
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// http://www.pdfsharp.com
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// http://sourceforge.net/projects/pdfsharp
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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#endregion
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namespace PdfSharp.Drawing.BarCodes
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{
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/// <summary>
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/// Represents an OMR code.
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/// </summary>
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public class CodeOmr : BarCode
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{
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/// <summary>
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/// initializes a new OmrCode with the given data.
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/// </summary>
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public CodeOmr(string text, XSize size, CodeDirection direction)
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: base(text, size, direction)
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{ }
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/// <summary>
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/// Renders the OMR code.
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/// </summary>
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protected internal override void Render(XGraphics gfx, XBrush brush, XFont font, XPoint position)
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{
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XGraphicsState state = gfx.Save();
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switch (Direction)
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{
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case CodeDirection.RightToLeft:
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gfx.RotateAtTransform(180, position);
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break;
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case CodeDirection.TopToBottom:
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gfx.RotateAtTransform(90, position);
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break;
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case CodeDirection.BottomToTop:
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gfx.RotateAtTransform(-90, position);
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break;
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}
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//XPoint pt = center - size / 2;
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XPoint pt = position - CodeBase.CalcDistance(AnchorType.TopLeft, Anchor, Size);
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uint value;
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uint.TryParse(Text, out value);
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#if true
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// HACK: Project Wallenwein: set LK
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value |= 1;
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_synchronizeCode = true;
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#endif
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if (_synchronizeCode)
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{
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XRect rect = new XRect(pt.X, pt.Y, _makerThickness, Size.Height);
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gfx.DrawRectangle(brush, rect);
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pt.X += 2 * _makerDistance;
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}
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for (int idx = 0; idx < 32; idx++)
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{
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if ((value & 1) == 1)
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{
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XRect rect = new XRect(pt.X + idx * _makerDistance, pt.Y, _makerThickness, Size.Height);
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gfx.DrawRectangle(brush, rect);
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}
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value = value >> 1;
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}
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gfx.Restore(state);
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}
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/// <summary>
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/// Gets or sets a value indicating whether a synchronize mark is rendered.
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/// </summary>
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public bool SynchronizeCode
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{
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get { return _synchronizeCode; }
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set { _synchronizeCode = value; }
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}
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bool _synchronizeCode;
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/// <summary>
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/// Gets or sets the distance of the markers.
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/// </summary>
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public double MakerDistance
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{
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get { return _makerDistance; }
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set { _makerDistance = value; }
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}
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double _makerDistance = 12; // 1/6"
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/// <summary>
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/// Gets or sets the thickness of the makers.
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/// </summary>
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public double MakerThickness
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{
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get { return _makerThickness; }
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set { _makerThickness = value; }
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}
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double _makerThickness = 1;
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///// <summary>
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///// Renders the mark at the given position.
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///// </summary>
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///// <param name="position">The mark position to render.</param>
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//private void RenderMark(int position)
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//{
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// double yPos = TopLeft.Y + UpperDistance + position * ToUnit(markDistance).Centimeter;
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// //Center mark
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// double xPos = TopLeft.X + Width / 2 - this.MarkWidth / 2;
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// Gfx.DrawLine(pen, xPos, yPos, xPos + MarkWidth, yPos);
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//}
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///// <summary>
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///// Distance of the marks. Default is 2/6 inch.
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///// </summary>
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//public MarkDistance MarkDistance
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//{
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// get { return markDistance; }
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// set { markDistance = value; }
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//}
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//private MarkDistance markDistance = MarkDistance.Inch2_6;
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///// <summary>
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///// Converts a mark distance to an XUnit object.
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///// </summary>
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///// <param name="markDistance">The mark distance to convert.</param>
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///// <returns>The converted mark distance.</returns>
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//public static XUnit ToUnit(MarkDistance markDistance)
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//{
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// switch (markDistance)
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// {
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// case MarkDistance.Inch1_6:
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// return XUnit.FromInch(1.0 / 6.0);
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// case MarkDistance.Inch2_6:
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// return XUnit.FromInch(2.0 / 6.0);
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// case MarkDistance.Inch2_8:
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// return XUnit.FromInch(2.0 / 8.0);
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// default:
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// throw new ArgumentOutOfRangeException("markDistance");
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// }
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//}
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///// <summary>
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///// The upper left point of the reading zone.
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///// </summary>
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//public XPoint TopLeft
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//{
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// get
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// {
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// XPoint topLeft = center;
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// topLeft.X -= Width;
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// double height = upperDistance + lowerDistance;
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// height += (data.Marks.Length - 1) * ToUnit(MarkDistance).Centimeter;
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// topLeft.Y -= height / 2;
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// return topLeft;
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// }
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//}
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///// <summary>
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///// the upper distance from position to the first mark.
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///// The default value is 8 / 6 inch.
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///// </summary>
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//double UpperDistance
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//{
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// get { return upperDistance; }
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// set { upperDistance = value; }
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//}
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//private double upperDistance = XUnit.FromInch(8.0 / 6.0).Centimeter;
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///// <summary>
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///// The lower distance from the last possible mark to the end of the reading zone.
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///// The default value is
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///// </summary>
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//double LowerDistance
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//{
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// get { return lowerDistance; }
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// set { lowerDistance = value; }
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//}
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//private double lowerDistance = XUnit.FromInch(2.0 / 6.0).Centimeter;
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///// <summary>
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///// Gets or sets the width of the reading zone.
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///// Default and minimum is 3/12 inch.
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///// </summary>
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//public double Width
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//{
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// get { return width; }
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// set { width = value; }
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//}
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//double width = XUnit.FromInch(3.0 / 12.0).Centimeter;
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///// <summary>
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///// Gets or sets the mark width. Default is 1/2 * width.
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///// </summary>
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//public XUnit MarkWidth
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//{
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// get
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// {
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// if (markWidth > 0)
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// return markWidth;
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// else
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// return width / 2;
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// }
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// set { markWidth = value; }
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//}
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//XUnit markWidth;
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///// <summary>
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///// Gets or sets the width of the mark line. Default is 1pt.
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///// </summary>
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//public XUnit MarkLineWidth
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//{
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// get { return markLineWidth; }
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// set { markLineWidth = value; }
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//}
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//XUnit markLineWidth = 1;
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/// <summary>
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/// Determines whether the specified string can be used as Text for the OMR code.
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/// </summary>
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protected override void CheckCode(string text)
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{ }
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}
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}
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