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iText kernel.jar Source Code
kernel.jar is a component in iText Java library to provide low-level functionalities. iText Java library allows you to generate and manage PDF documents.
The Source Code files are provided together with the JAR file in the binary packge like iText7-Core-7.1.4.zip. You can download it at iText 7 Core Download site.
You can compile it to generate your JAR file, using kernel.pom as the build configuration file.
The source code of kernel-7.1.4.jar is provided below:
✍: FYIcenter.com
⏎ com/itextpdf/kernel/pdf/canvas/parser/data/ImageRenderInfo.java
/* This file is part of the iText (R) project. Copyright (c) 1998-2018 iText Group NV Authors: Bruno Lowagie, Paulo Soares, et al. This program is free software; you can redistribute it and/or modify it under the terms of the GNU Affero General Public License version 3 as published by the Free Software Foundation with the addition of the following permission added to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS 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 http://www.gnu.org/licenses or write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA, 02110-1301 USA, or download the license from the following URL: http://itextpdf.com/terms-of-use/ The interactive user interfaces in modified source and object code versions of this program must display Appropriate Legal Notices, as required under Section 5 of the GNU Affero General Public License. In accordance with Section 7(b) of the GNU Affero General Public License, a covered work must retain the producer line in every PDF that is created or manipulated using iText. You can be released from the requirements of the license by purchasing a commercial license. Buying such a license is mandatory as soon as you develop commercial activities involving the iText software without disclosing the source code of your own applications. These activities include: offering paid services to customers as an ASP, serving PDFs on the fly in a web application, shipping iText with a closed source product. For more information, please contact iText Software Corp. at this address: sales@itextpdf.com */ package com.itextpdf.kernel.pdf.canvas.parser.data; import com.itextpdf.kernel.geom.Matrix; import com.itextpdf.kernel.geom.Vector; import com.itextpdf.kernel.pdf.PdfDictionary; import com.itextpdf.kernel.pdf.PdfName; import com.itextpdf.kernel.pdf.PdfStream; import com.itextpdf.kernel.pdf.canvas.CanvasGraphicsState; import com.itextpdf.kernel.pdf.canvas.CanvasTag; import com.itextpdf.kernel.pdf.xobject.PdfImageXObject; import java.util.ArrayList; import java.util.Collections; import java.util.List; import java.util.Stack; /** * Represents image data from a PDF */ public class ImageRenderInfo extends AbstractRenderInfo { /** * The coordinate transformation matrix that was in effect when the image was rendered */ private Matrix ctm; private PdfImageXObject image; /** * the color space dictionary from resources which are associated with the image */ private PdfDictionary colorSpaceDictionary; /** * defines if the encountered image was inline */ private boolean isInline; private PdfName resourceName; /** * Hierarchy of nested canvas tags for the text from the most inner (nearest to text) tag to the most outer. */ private List<CanvasTag> canvasTagHierarchy; /** * Create an ImageRenderInfo * @param ctm the coordinate transformation matrix at the time the image is rendered * @param imageStream image stream object * @param resourceName * @param colorSpaceDictionary the color space dictionary from resources which are associated with the image * @param isInline defines if the encountered image was inline */ public ImageRenderInfo(Stack<CanvasTag> canvasTagHierarchy, CanvasGraphicsState gs, Matrix ctm, PdfStream imageStream, PdfName resourceName, PdfDictionary colorSpaceDictionary, boolean isInline) { super(gs); this.canvasTagHierarchy = Collections.<CanvasTag>unmodifiableList(new ArrayList<>(canvasTagHierarchy)); this.resourceName = resourceName; this.ctm = ctm; this.image = new PdfImageXObject(imageStream); this.colorSpaceDictionary = colorSpaceDictionary; this.isInline = isInline; } /** * Gets an image wrapped in ImageXObject. * You can: * <ul> * <li>get image bytes with {@link PdfImageXObject#getImageBytes(boolean)}, these image bytes * represent native image, i.e you can write these bytes to disk and get just an usual image;</li> * <li>obtain PdfStream object which contains image dictionary with {@link PdfImageXObject#getPdfObject()} method;</li> * <li>convert image to {@link java.awt.image.BufferedImage} with {@link PdfImageXObject#getBufferedImage()};</li> * </ul> */ public PdfImageXObject getImage() { return image; } public PdfName getImageResourceName() { return resourceName; } /** * @return a vector in User space representing the start point of the image */ public Vector getStartPoint() { return new Vector(0, 0, 1).cross(ctm); } /** * @return The coordinate transformation matrix which was active when this image was rendered. Coordinates are in User space. */ public Matrix getImageCtm() { return ctm; } /** * @return the size of the image, in User space units */ public float getArea() { // the image space area is 1, so we multiply that by the determinant of the CTM to get the transformed area return ctm.getDeterminant(); } /** * @return true if image was inlined in original stream. */ public boolean isInline() { return isInline; } /** * @return the color space dictionary from resources which are associated with the image */ public PdfDictionary getColorSpaceDictionary() { return colorSpaceDictionary; } /** * Gets hierarchy of the canvas tags that wraps given text. * * @return list of the wrapping canvas tags. The first tag is the innermost (nearest to the text). */ public List<CanvasTag> getCanvasTagHierarchy() { return canvasTagHierarchy; } /** * @return the marked content associated with the TextRenderInfo instance. */ public int getMcid() { for (CanvasTag tag : canvasTagHierarchy) { if (tag.hasMcid()) { return tag.getMcid(); } } return -1; } /** * Checks if the text belongs to a marked content sequence * with a given mcid. * * @param mcid a marked content id * @return true if the text is marked with this id */ public boolean hasMcid(int mcid) { return hasMcid(mcid, false); } /** * Checks if the text belongs to a marked content sequence * with a given mcid. * * @param mcid a marked content id * @param checkTheTopmostLevelOnly indicates whether to check the topmost level of marked content stack only * @return true if the text is marked with this id */ public boolean hasMcid(int mcid, boolean checkTheTopmostLevelOnly) { if (checkTheTopmostLevelOnly) { if (canvasTagHierarchy != null) { int infoMcid = getMcid(); return infoMcid != -1 && infoMcid == mcid; } } else { for (CanvasTag tag : canvasTagHierarchy) { if (tag.hasMcid()) if (tag.getMcid() == mcid) return true; } } return false; } }
⏎ com/itextpdf/kernel/pdf/canvas/parser/data/ImageRenderInfo.java
Or download all of them as a single archive file:
File name: kernel-7.1.4-sources.jar File size: 1201221 bytes Release date: 2018-10-09 Download
⇐ Download and Install iText7-Core-7.1.4.zip
2010-02-18, 85564👍, 0💬
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