298 lines
11 KiB
C#
298 lines
11 KiB
C#
/****************************************************************************
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*
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* Project: TextExt, C#.NET
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*
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* Description: Extracts text of a page of a PDF document using the
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* 3-Heights PDF Extraction Tool.
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*
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* Version: 1.01 (5-October-2005)
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*
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* Author: Philip Renggli, PDF Tools AG
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*
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* Copyright: Copyright (C) 2005 PDF Tools AG, Switzerland
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* Permission to use, copy, modify, and distribute this
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* software and its documentation for any purpose and without
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* fee is hereby granted, provided that the above copyright
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* notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting
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* documentation. This software is provided "as is" without
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* express or implied warranty.
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*
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***************************************************************************/
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using System;
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using System.Drawing;
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using System.Collections;
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using System.ComponentModel;
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using System.Windows.Forms;
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using System.Data;
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namespace TextExt
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{
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public class Form1 : System.Windows.Forms.Form
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{
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private System.Windows.Forms.Button Browse;
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private System.Windows.Forms.TextBox txtInput;
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private System.Windows.Forms.Button ExtractText;
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private AxMSComDlg.AxCommonDialog axCommonDialog;
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private System.Windows.Forms.Label label1;
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private System.Windows.Forms.Label label2;
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private System.Windows.Forms.TextBox txtOutput;
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private System.Windows.Forms.TextBox txtPageNo;
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private System.Windows.Forms.Panel panel1;
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private System.Windows.Forms.Label label3;
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private System.Windows.Forms.Label label4;
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private System.Windows.Forms.Label label5;
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private System.ComponentModel.Container components = null;
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public Form1()
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{
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InitializeComponent();
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}
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protected override void Dispose( bool disposing )
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{
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if( disposing )
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{
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if (components != null)
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{
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components.Dispose();
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}
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}
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base.Dispose( disposing );
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}
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#region Windows Form Designer generated code
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/// <summary>
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/// Erforderliche Methode f<>r die Designerunterst<73>tzung.
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/// Der Inhalt der Methode darf nicht mit dem Code-Editor ge<67>ndert werden.
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/// </summary>
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private void InitializeComponent()
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{
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System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));
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this.Browse = new System.Windows.Forms.Button();
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this.txtInput = new System.Windows.Forms.TextBox();
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this.ExtractText = new System.Windows.Forms.Button();
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this.axCommonDialog = new AxMSComDlg.AxCommonDialog();
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this.txtOutput = new System.Windows.Forms.TextBox();
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this.label1 = new System.Windows.Forms.Label();
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this.txtPageNo = new System.Windows.Forms.TextBox();
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this.label2 = new System.Windows.Forms.Label();
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this.panel1 = new System.Windows.Forms.Panel();
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this.label3 = new System.Windows.Forms.Label();
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this.label4 = new System.Windows.Forms.Label();
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this.label5 = new System.Windows.Forms.Label();
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((System.ComponentModel.ISupportInitialize)(this.axCommonDialog)).BeginInit();
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this.SuspendLayout();
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//
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// Browse
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//
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this.Browse.BackColor = System.Drawing.SystemColors.ControlLight;
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this.Browse.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
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this.Browse.ForeColor = System.Drawing.Color.Black;
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this.Browse.Location = new System.Drawing.Point(472, 488);
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this.Browse.Name = "Browse";
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this.Browse.Size = new System.Drawing.Size(24, 24);
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this.Browse.TabIndex = 8;
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this.Browse.Text = "...";
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this.Browse.Click += new System.EventHandler(this.Browse_Click);
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//
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// txtInput
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//
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this.txtInput.Location = new System.Drawing.Point(120, 488);
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this.txtInput.Name = "txtInput";
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this.txtInput.Size = new System.Drawing.Size(344, 20);
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this.txtInput.TabIndex = 7;
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this.txtInput.Text = "";
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//
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// ExtractText
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//
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this.ExtractText.BackColor = System.Drawing.SystemColors.ControlLight;
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this.ExtractText.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
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this.ExtractText.ForeColor = System.Drawing.Color.Black;
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this.ExtractText.Location = new System.Drawing.Point(8, 544);
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this.ExtractText.Name = "ExtractText";
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this.ExtractText.Size = new System.Drawing.Size(96, 24);
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this.ExtractText.TabIndex = 6;
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this.ExtractText.Text = "Extract Text";
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this.ExtractText.Click += new System.EventHandler(this.ExtractText_Click);
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//
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// axCommonDialog
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//
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this.axCommonDialog.Enabled = true;
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this.axCommonDialog.Location = new System.Drawing.Point(464, 520);
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this.axCommonDialog.Name = "axCommonDialog";
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this.axCommonDialog.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("axCommonDialog.OcxState")));
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this.axCommonDialog.Size = new System.Drawing.Size(32, 32);
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this.axCommonDialog.TabIndex = 9;
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//
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// txtOutput
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//
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this.txtOutput.Location = new System.Drawing.Point(8, 32);
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this.txtOutput.MaxLength = 200000;
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this.txtOutput.Multiline = true;
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this.txtOutput.Name = "txtOutput";
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this.txtOutput.ScrollBars = System.Windows.Forms.ScrollBars.Both;
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this.txtOutput.Size = new System.Drawing.Size(496, 448);
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this.txtOutput.TabIndex = 10;
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this.txtOutput.Text = "";
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//
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// label1
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//
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this.label1.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(122)), ((System.Byte)(182)), ((System.Byte)(215)));
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this.label1.Font = new System.Drawing.Font("Verdana", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
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this.label1.ForeColor = System.Drawing.Color.FromArgb(((System.Byte)(0)), ((System.Byte)(102)), ((System.Byte)(153)));
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this.label1.Location = new System.Drawing.Point(0, 488);
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this.label1.Name = "label1";
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this.label1.Size = new System.Drawing.Size(112, 18);
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this.label1.TabIndex = 11;
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this.label1.Text = " FILE NAME";
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//
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// txtPageNo
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//
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this.txtPageNo.Location = new System.Drawing.Point(120, 512);
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this.txtPageNo.Name = "txtPageNo";
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this.txtPageNo.Size = new System.Drawing.Size(40, 20);
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this.txtPageNo.TabIndex = 12;
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this.txtPageNo.Text = "1";
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//
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// label2
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//
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this.label2.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(122)), ((System.Byte)(182)), ((System.Byte)(215)));
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this.label2.Font = new System.Drawing.Font("Verdana", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
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this.label2.ForeColor = System.Drawing.Color.FromArgb(((System.Byte)(0)), ((System.Byte)(102)), ((System.Byte)(153)));
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this.label2.Location = new System.Drawing.Point(0, 512);
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this.label2.Name = "label2";
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this.label2.Size = new System.Drawing.Size(112, 18);
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this.label2.TabIndex = 13;
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this.label2.Text = " PAGE NUMBER";
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//
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// panel1
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//
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this.panel1.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(174)), ((System.Byte)(209)), ((System.Byte)(226)));
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this.panel1.Location = new System.Drawing.Point(-8, 0);
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this.panel1.Name = "panel1";
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this.panel1.Size = new System.Drawing.Size(120, 624);
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this.panel1.TabIndex = 15;
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//
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// label3
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//
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this.label3.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(153)), ((System.Byte)(102)));
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this.label3.Font = new System.Drawing.Font("Verdana", 9F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
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this.label3.ForeColor = System.Drawing.Color.White;
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this.label3.Location = new System.Drawing.Point(120, 8);
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this.label3.Name = "label3";
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this.label3.Size = new System.Drawing.Size(384, 19);
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this.label3.TabIndex = 16;
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this.label3.Text = " 3-Heights PDF Extract Tool - Extract Text Sample";
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//
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// label4
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//
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this.label4.Location = new System.Drawing.Point(120, 544);
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this.label4.Name = "label4";
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this.label4.Size = new System.Drawing.Size(384, 16);
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this.label4.TabIndex = 17;
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this.label4.Text = "This is a text extraction sample for the 3-Heights PDF Extract Tool.";
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//
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// label5
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//
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this.label5.Location = new System.Drawing.Point(120, 560);
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this.label5.Name = "label5";
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this.label5.Size = new System.Drawing.Size(384, 16);
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this.label5.TabIndex = 18;
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this.label5.Text = "Copyright (C) 2005 PDF Tools AG, Switzerland";
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//
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// Form1
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//
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this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
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this.BackColor = System.Drawing.Color.White;
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this.ClientSize = new System.Drawing.Size(512, 581);
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this.Controls.AddRange(new System.Windows.Forms.Control[] {
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this.label5,
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this.label4,
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this.label3,
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this.txtPageNo,
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this.txtInput,
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this.label2,
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this.label1,
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this.txtOutput,
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this.axCommonDialog,
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this.Browse,
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this.ExtractText,
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this.panel1});
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this.Name = "Form1";
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((System.ComponentModel.ISupportInitialize)(this.axCommonDialog)).EndInit();
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this.ResumeLayout(false);
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}
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#endregion
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[STAThread]
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static void Main()
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{
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Application.Run(new Form1());
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}
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private void Browse_Click(object sender, System.EventArgs e)
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{
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axCommonDialog.FileName = txtInput.Text;
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axCommonDialog.ShowOpen();
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txtInput.Text = axCommonDialog.FileName;
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}
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private void ExtractText_Click(object sender, System.EventArgs e)
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{
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PDFPARSERLib.DocumentClass document = new PDFPARSERLib.DocumentClass();
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if (document.Open(txtInput.Text, ""))
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{
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// clear the text control
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txtOutput.Text = "";
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// check the page range
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Int32.Parse(txtPageNo.Text);
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int iPageNo = Int32.Parse(txtPageNo.Text);
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if(iPageNo > 0 && iPageNo <= document.PageCount)
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{
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// set the page number
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document.PageNo = iPageNo;
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// get a content handle
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PDFPARSERLib.Content content = document.Page.Content;
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if(content != null)
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{
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// get one word per token
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content.BreakWords = true;
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// account page rotation
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content.Reset(true);
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// keep track of the last y-coordinate
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float y_old = -1.0f;
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while(content.GetNextText() != null)
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{
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// get a text handle
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PDFPARSERLib.Text text = content.Text;
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float y_new = 1.0f;
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if (text.Length > 0)
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y_new = (float) ((object[])text.YPos)[0];
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// insert a blank if y-coordinate is the same as in previous token
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// insert a new line if it changes
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txtOutput.Text = string.Concat(txtOutput.Text, y_old == y_new ? " " : "\r\n" , text.UnicodeString);
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y_old = y_new;
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}
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}
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else
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{
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// no content on page
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}
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}
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else
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{
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// page number out of range
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}
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}
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else
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{
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// failed to open
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}
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}
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}
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}
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