org.pentaho.reporting.engine.classic.core.modules.output.pageable.pdf.internal.PolygonAnnotation.java Source code

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Here is the source code for org.pentaho.reporting.engine.classic.core.modules.output.pageable.pdf.internal.PolygonAnnotation.java

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/*!
 * This program is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
 * Foundation.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 * or from the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 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 Lesser General Public License for more details.
 *
 * Copyright (c) 2002-2017 Hitachi Vantara..  All rights reserved.
 */

package org.pentaho.reporting.engine.classic.core.modules.output.pageable.pdf.internal;

import com.lowagie.text.pdf.PdfAnnotation;
import com.lowagie.text.pdf.PdfArray;
import com.lowagie.text.pdf.PdfName;
import com.lowagie.text.pdf.PdfRectangle;
import com.lowagie.text.pdf.PdfWriter;

public class PolygonAnnotation extends PdfAnnotation {
    private static final PdfName POLYGON = new PdfName("Polygon"); // NON-NLS
    private static final PdfName VERTICES = new PdfName("Vertices"); // NON-NLS

    public PolygonAnnotation(final PdfWriter writer, final float[] coords) {
        super(writer, null);
        put(PdfName.SUBTYPE, POLYGON);
        put(PdfName.RECT, createRec(coords));
        put(VERTICES, new PdfArray(coords));
    }

    private static PdfRectangle createRec(final float[] coords) {
        float minX = Integer.MAX_VALUE;
        float maxX = Integer.MIN_VALUE;
        float minY = Integer.MAX_VALUE;
        float maxY = Integer.MIN_VALUE;

        for (int i = 0; i < coords.length; i += 2) {
            float x = coords[i];
            float y = coords[i + 1];
            if (x < minX) {
                minX = x;
            }
            if (y < minY) {
                minY = y;
            }

            if (x > maxX) {
                maxX = x;
            }
            if (y > maxY) {
                maxY = y;
            }
        }
        return new PdfRectangle(minX, minY, maxX, maxY);
    }
}