fop/fop-core/src/test/java/org/apache/fop/svg/PDFTextPainterTestCase.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/* $Id$ */

package org.apache.fop.svg;

import java.awt.Graphics2D;
import java.io.StringWriter;

import org.junit.Test;

import org.apache.batik.bridge.TextPainter;

import org.apache.xmlgraphics.java2d.GraphicContext;

import org.apache.fop.fonts.FontInfo;
import org.apache.fop.pdf.PDFDocument;

public class PDFTextPainterTestCase extends NativeTextPainterTest {

    private static class OperatorCheckingPDFGraphics2D extends PDFGraphics2D {

        OperatorCheckingPDFGraphics2D(FontInfo fontInfo, final OperatorValidator validator) {
            super(false, fontInfo, new PDFDocument("test"), null, null, null, 0, null);
            this.currentStream = new StringWriter() {

                @Override
                public void write(String str) {
                    validator.check(str);
                }

            };
        }
    }

    @Override
    protected TextPainter createTextPainter(FontInfo fontInfo) {
        return new PDFTextPainter(fontInfo);
    }

    @Override
    protected Graphics2D createGraphics2D(FontInfo fontInfo, OperatorValidator validator) {
        PDFGraphics2D g2d = new OperatorCheckingPDFGraphics2D(fontInfo, validator);
        g2d.setGraphicContext(new GraphicContext());
        return g2d;
    }

    @Test
    public void testRotatedGlyph() throws Exception {
        runTest("rotated-glyph.svg", new OperatorValidator()
                .addOperatorMatch("Tm", "1 0 0 -1 40 110 Tm ")
                .addOperatorMatch("TJ", "[(A)] TJ\n")
                .addOperatorMatch("Tm", "0.70710677 0.7071068 0.7071068 -0.70710677 106.69999695 110 Tm ")
                .addOperatorMatch("TJ", "[(B)] TJ\n")
                .addOperatorMatch("Tm", "1 0 0 -1 173.3999939 110 Tm ")
                .addOperatorMatch("TJ", "[(C)] TJ\n"));
    }

    @Test
    public void testDxDy() throws Exception {
        runTest("dx-dy.svg", new OperatorValidator()
                .addOperatorMatch("Tm", "1 0 0 -1 55 35 Tm ")
                .addOperatorMatch("TJ", "[(ABCDE)] TJ\n")
                .addOperatorMatch("Tm", "1 0 0 -1 55 75 Tm ")
                .addOperatorMatch("TJ", "[(A)] TJ\n")
                .addOperatorMatch("Tm", "1 0 0 -1 69 85 Tm ")
                .addOperatorMatch("TJ", "[(B)] TJ\n")
                .addOperatorMatch("Tm", "1 0 0 -1 109 80 Tm ")
                .addOperatorMatch("TJ", "[(C)] TJ\n")
                .addOperatorMatch("Tm", "1 0 0 -1 91 65 Tm ")
                .addOperatorMatch("TJ", "[(D)] TJ\n")
                .addOperatorMatch("Tm", "1 0 0 -1 127 75 Tm ")
                .addOperatorMatch("TJ", "[(E)] TJ\n"));
    }

    @Test
    public void testSpacing() throws Exception {
        runTest("spacing.svg", new OperatorValidator()
                .addOperatorMatch("Tm", "1 0 0 -1 0 0 Tm ")
                .addOperatorMatch("TJ", "[(V) 80 (A) 70 (V)] TJ\n")
                .addOperatorMatch("Tm", "1 0 0 -1 0 0 Tm ")
                .addOperatorMatch("TJ", "[(V) 80 (A) 70 (V)] TJ\n")
                .addOperatorMatch("Tm", "1 0 0 -1 0 0 Tm ")
                .addOperatorMatch("TJ", "[(V) -20 (A) -30 (V)] TJ\n")
                .addOperatorMatch("Tm", "1 0 0 -1 0 0 Tm ")
                .addOperatorMatch("TJ", "[(ab) -111 ( ) -389 (cd)] TJ\n"));
    }

    @Test
    public void testGlyphOrientation() throws Exception {
        runTest("glyph-orientation.svg", new OperatorValidator()
                .addOperatorMatch("Tm", "0 1 1 0 738.5 0 Tm ")
                .addOperatorMatch("TJ", "[(A)] TJ\n")
                .addOperatorMatch("Tm", "0 1 1 0 738.5 667 Tm ")
                .addOperatorMatch("TJ", "[(B)] TJ\n")
                .addOperatorMatch("Tm", "0 1 1 0 738.5 1334 Tm ")
                .addOperatorMatch("TJ", "[(C)] TJ\n")
                .addOperatorMatch("Tm", "0 1 1 0 738.5 2056 Tm ")
                .addOperatorMatch("TJ", "[(D)] TJ\n")
                .addOperatorMatch("Tm", "1 0 0 -1 2149 718 Tm ")
                .addOperatorMatch("TJ", "[(E)] TJ\n")
                .addOperatorMatch("Tm", "1 0 0 -1 2165.5 1643 Tm ")
                .addOperatorMatch("TJ", "[(F)] TJ\n")
                .addOperatorMatch("Tm", "1 0 0 -1 2124 2568 Tm ")
                .addOperatorMatch("TJ", "[(G)] TJ\n")
                .addOperatorMatch("Tm", "1 0 0 -1 2138.5 3493 Tm ")
                .addOperatorMatch("TJ", "[(H)] TJ\n")
                .addOperatorMatch("Tm", "0 -1 -1 0 718 5000 Tm ")
                .addOperatorMatch("TJ", "[(I)] TJ\n")
                .addOperatorMatch("Tm", "0 -1 -1 0 1643 5000 Tm ")
                .addOperatorMatch("TJ", "[(J)] TJ\n")
                .addOperatorMatch("Tm", "0 -1 -1 0 2568 5000 Tm ")
                .addOperatorMatch("TJ", "[(K)] TJ\n")
                .addOperatorMatch("Tm", "0 -1 -1 0 3493 5000 Tm ")
                .addOperatorMatch("TJ", "[(L)] TJ\n"));
    }

    @Test
    public void testBaselineShift() throws Exception {
        runTest("baseline-shift.svg", new OperatorValidator()
                .addOperatorMatch("Tm", "1 0 0 -1 0 0 Tm ")
                .addOperatorMatch("TJ", "[(AB)] TJ\n")
                .addOperatorMatch("Tm", "1 0 0 -1 1334 -462.5 Tm ")
                .addOperatorMatch("TJ", "[(CD)] TJ\n")
                .addOperatorMatch("Tm", "1 0 0 -1 2778 0 Tm ")
                .addOperatorMatch("TJ", "[(EF)] TJ\n")
                .addOperatorMatch("Tm", "1 0 0 -1 4056 462.5 Tm ")
                .addOperatorMatch("TJ", "[(GH)] TJ\n")
                .addOperatorMatch("Tm", "1 0 0 -1 5556 0 Tm ")
                .addOperatorMatch("TJ", "[(IJ)] TJ\n"));
    }

}