PdfType3FontIntegrationTest.java

/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2026 Apryse Group NV
    Authors: Apryse Software.

    This program is offered under a commercial and under the AGPL license.
    For commercial licensing, contact us at https://itextpdf.com/sales.  For AGPL licensing, see below.

    AGPL licensing:
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
package com.itextpdf.kernel.font;

import com.itextpdf.kernel.pdf.PdfDictionary;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfReader;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.kernel.utils.CompareTool;
import com.itextpdf.test.ExtendedITextTest;
import com.itextpdf.test.TestUtil;

import java.io.IOException;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Tag;
import org.junit.jupiter.api.Test;

@Tag("IntegrationTest")
public class PdfType3FontIntegrationTest extends ExtendedITextTest {

    private static final String SOURCE_FOLDER = "./src/test/resources/com/itextpdf/kernel/font"
            + "/PdfType3FontIntegrationTest/";
    private static final String DESTINATION_FOLDER =
            TestUtil.getOutputPath() + "/kernel/font/PdfType3FontIntegrationTest/";

    @BeforeAll
    public static void beforeClass() {
        createOrClearDestinationFolder(DESTINATION_FOLDER);
    }

    @Test
    public void flushMultCIDToSingleUnicodeDefaultMappingTest() throws IOException, InterruptedException {
        String sourceFileName = SOURCE_FOLDER + "flushMultCIDToSingleUnicodeDefaultMapping.pdf";
        String outFileName = DESTINATION_FOLDER + "flushMultCIDToSingleUnicodeDefaultMapping.pdf";
        String cmpFileName = SOURCE_FOLDER + "cmp_flushMultCIDToSingleUnicodeDefaultMapping.pdf";
        int fontObjNumber = 4;

        try (PdfDocument pdf = new PdfDocument(new PdfReader(sourceFileName), new PdfWriter(outFileName))) {
            PdfType3Font font = (PdfType3Font) PdfFontFactory.createFont(
                    (PdfDictionary) pdf.getPdfObject(fontObjNumber));
            font.flush();
        }

        Assertions.assertNull(new CompareTool().compareByContent(outFileName, cmpFileName, DESTINATION_FOLDER));
    }

    @Test
    public void flushMultCIDToSingleUnicodeToUnicodeCMapTest() throws IOException, InterruptedException {
        String sourceFileName = SOURCE_FOLDER + "flushMultCIDToSingleUnicodeToUnicodeCMap.pdf";
        String outFileName = DESTINATION_FOLDER + "flushMultCIDToSingleUnicodeToUnicodeCMap.pdf";
        String cmpFileName = SOURCE_FOLDER + "cmp_flushMultCIDToSingleUnicodeToUnicodeCMap.pdf";
        int fontObjNumber = 4;

        try (PdfDocument pdf = new PdfDocument(new PdfReader(sourceFileName), new PdfWriter(outFileName))) {
            PdfType3Font font = (PdfType3Font) PdfFontFactory.createFont(
                    (PdfDictionary) pdf.getPdfObject(fontObjNumber));
            font.flush();
        }

        Assertions.assertNull(new CompareTool().compareByContent(outFileName, cmpFileName, DESTINATION_FOLDER));
    }
}