/*
	Antenna House PDF Tool API V8.0
	.Net Interface sample program

	概要：複数矩形テキスト抽出

	Copyright 2025 Antenna House, Inc.
*/

using System;
using PdfTkNet;
using static System.Net.Mime.MediaTypeNames;

namespace MultiRectExtractText
{
    class Program
    {
        static void Main(string[] args)
        {
            if (args.Length < 1)
            {
                Console.WriteLine("usage: MultiRectExtractText.exe in-pdf-file");
                return;
            }

            try
            {
                using (PtlParamInput input = new PtlParamInput(args[0]))
                using (PtlPDFDocument doc = new PtlPDFDocument())
                {
                    // PDFファイルをロードします。
                    doc.load(input);

                    // ページコンテナの取得
                    using (PtlPages pages = doc.getPages())
                    using (PtlPage page = pages.get(0))
                    using (PtlParamExtractText paramExtractText = new PtlParamExtractText())
                    using (PtlSize pageSize = page.getSize())  // ページサイズ
                    using (PtlRect rect = new PtlRect(0.0f, 0.0f, pageSize.getWidth() / 2, pageSize.getHeight() / 2))  // テキスト抽出する範囲
                    using (PtlRect rect2 = new PtlRect(0.0f, pageSize.getHeight() / 2, pageSize.getWidth() / 2, pageSize.getHeight()))
                    {
                        paramExtractText.appendRect(rect);
                        paramExtractText.appendRect(rect2);

                        using (PtlContent content = page.getContent())
                        using (PtlExtractTextResults textList = content.extractTexts(paramExtractText))
                        {
                            for (int i = 0; i < textList.getCount(); i++)
                            {
                                using (PtlExtractTextResult result = textList.get(i))
                                {
                                    string text = result.getText();
                                    Console.WriteLine(text);
                                }
                            }
                        }
                    }
                }
            }
            catch (PtlException pex)
            {
                Console.WriteLine(pex.getErrorCode() + " : " + pex.getErrorMessageJP());
                pex.Dispose();
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
            finally
            {
                Console.WriteLine("-- 完了 --");
            }
        }
    }
}