mirror of
https://github.com/wmjordan/PDFPatcher.git
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WMJ
104 lines
3.8 KiB
C#
104 lines
3.8 KiB
C#
using System;
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using System.ComponentModel;
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using System.Xml.Serialization;
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using iTextSharp.text.pdf;
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using PDFPatcher.Common;
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namespace PDFPatcher.Model
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{
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[XmlRoot(Constants.Content.Page)]
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public class PageSettings
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{
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///<summary>获取或指定页面范围的值。</summary>
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[XmlAttribute(Constants.PageRange)]
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public string PageRange { get; set; }
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///<summary>获取或指定页面筛选的值。</summary>
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[XmlAttribute(Constants.PageFilterTypes.ThisName)]
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public string Filter { get; set; }
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///<summary>获取或指定页面尺寸的值。</summary>
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[XmlAttribute(Constants.Content.PageSettings.MediaBox)]
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public string PageSize { get; set; }
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///<summary>获取或指定裁剪框的值。</summary>
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[XmlAttribute(Constants.Content.PageSettings.CropBox)]
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public string CropBox { get; set; }
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///<summary>获取或指定修剪框的值。</summary>
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[XmlAttribute(Constants.Content.PageSettings.TrimBox)]
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public string TrimBox { get; set; }
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///<summary>获取或指定艺术框的值。</summary>
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[XmlAttribute(Constants.Content.PageSettings.ArtBox)]
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public string ArtBox { get; set; }
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///<summary>获取或指定出血框的值。</summary>
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[XmlAttribute(Constants.Content.PageSettings.BleedBox)]
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public string BleedBox { get; set; }
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///<summary>获取或指定旋转角度的值。</summary>
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[XmlAttribute(Constants.Content.PageSettings.Rotation)]
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[DefaultValue(0)]
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public int Rotation { get; set; }
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static internal PageSettings FromReader(PdfReader reader, int pageIndex, UnitConverter converter) {
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iTextSharp.text.Rectangle b;
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var s = new PageSettings();
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b = reader.GetPageSize(pageIndex);
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s.PageSize = ConvertPageSize(b, converter);
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b = reader.GetCropBox(pageIndex);
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s.CropBox = (b != null) ? ConvertPageSize(b, converter) : null;
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b = reader.GetBoxSize(pageIndex, "trim");
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s.TrimBox = (b != null) ? ConvertPageSize(b, converter) : null;
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b = reader.GetBoxSize(pageIndex, "art");
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s.ArtBox = (b != null) ? ConvertPageSize(b, converter) : null;
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b = reader.GetBoxSize(pageIndex, "bleed");
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s.BleedBox = (b != null) ? ConvertPageSize(b, converter) : null;
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s.Rotation = reader.GetPageRotation(pageIndex);
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return s;
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}
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private static string ConvertPageSize(iTextSharp.text.Rectangle b, UnitConverter converter) {
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var p = new string[4];
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p[0] = converter.FromPoint(b.Left).ToText("0.###");
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p[1] = converter.FromPoint(b.Bottom).ToText("0.###");
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p[2] = converter.FromPoint(b.Right).ToText("0.###");
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p[3] = converter.FromPoint(b.Top).ToText("0.###");
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return String.Join(" ", p);
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}
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static internal bool HavingSameDimension(PageSettings s1, PageSettings s2) {
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if (s1 == null && s2 == null) {
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return true;
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}
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else if (s1 == null || s2 == null) {
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return false;
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}
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if (s1.Rotation != s2.Rotation || s1.PageSize != s2.PageSize
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|| s1.CropBox != s2.CropBox || s1.TrimBox != s2.TrimBox
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|| s1.BleedBox != s2.BleedBox || s1.ArtBox != s2.ArtBox) {
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return false;
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}
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return true;
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}
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internal void WriteXml(System.Xml.XmlWriter writer) {
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if (String.IsNullOrEmpty(PageRange)) {
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System.Diagnostics.Debug.WriteLine("Empty page range.");
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return;
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}
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writer.WriteAttributeString(Constants.PageRange, PageRange);
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writer.WriteAttributeString(Constants.Content.PageSettings.MediaBox, PageSize);
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if (CropBox != null) {
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writer.WriteAttributeString(Constants.Content.PageSettings.CropBox, CropBox);
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}
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if (TrimBox != null) {
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writer.WriteAttributeString(Constants.Content.PageSettings.TrimBox, TrimBox);
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}
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if (ArtBox != null) {
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writer.WriteAttributeString(Constants.Content.PageSettings.ArtBox, ArtBox);
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}
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if (BleedBox != null) {
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writer.WriteAttributeString(Constants.Content.PageSettings.BleedBox, BleedBox);
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}
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if (Rotation != 0) {
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writer.WriteAttributeString(Constants.Content.PageSettings.Rotation, Rotation.ToText());
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}
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}
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}
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}
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