diff options
Diffstat (limited to 'src/main/java/com/lowagie/text/Jpeg.java')
| -rw-r--r-- | src/main/java/com/lowagie/text/Jpeg.java | 350 |
1 files changed, 0 insertions, 350 deletions
diff --git a/src/main/java/com/lowagie/text/Jpeg.java b/src/main/java/com/lowagie/text/Jpeg.java deleted file mode 100644 index 1b95486..0000000 --- a/src/main/java/com/lowagie/text/Jpeg.java +++ /dev/null @@ -1,350 +0,0 @@ -/*
- * $Id: Jpeg.java,v 1.59 2004/12/14 12:33:47 blowagie Exp $
- * $Name: $
- *
- * Copyright 1999, 2000, 2001, 2002 by Bruno Lowagie.
- *
- * The contents of this file are subject to the Mozilla Public License Version 1.1
- * (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.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the License.
- *
- * The Original Code is 'iText, a free JAVA-PDF library'.
- *
- * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
- * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
- * All Rights Reserved.
- * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
- * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
- *
- * Contributor(s): all the names of the contributors are added in the source code
- * where applicable.
- *
- * Alternatively, the contents of this file may be used under the terms of the
- * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
- * provisions of LGPL are applicable instead of those above. If you wish to
- * allow use of your version of this file only under the terms of the LGPL
- * License and not to allow others to use your version of this file under
- * the MPL, indicate your decision by deleting the provisions above and
- * replace them with the notice and other provisions required by the LGPL.
- * If you do not delete the provisions above, a recipient may use your version
- * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the MPL as stated above or under the terms of the GNU
- * Library General Public License as published by the Free Software Foundation;
- * either version 2 of the License, or any later version.
- *
- * This library 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 Library general Public License for more
- * details.
- *
- * If you didn't download this code from the following link, you should check if
- * you aren't using an obsolete version:
- * http://www.lowagie.com/iText/
- */
-
-package com.lowagie.text;
-
-import java.io.InputStream;
-import java.io.IOException;
-import java.net.MalformedURLException;
-import java.net.URL;
-
-/**
- * An <CODE>Jpeg</CODE> is the representation of a graphic element (JPEG)
- * that has to be inserted into the document
- *
- * @see Element
- * @see Image
- */
-
-public class Jpeg extends Image implements Element {
-
- // public static final membervariables
-
- /** This is a type of marker. */
- public static final int NOT_A_MARKER = -1;
-
- /** This is a type of marker. */
- public static final int VALID_MARKER = 0;
-
- /** Acceptable Jpeg markers. */
- public static final int[] VALID_MARKERS = {0xC0, 0xC1, 0xC2};
-
- /** This is a type of marker. */
- public static final int UNSUPPORTED_MARKER = 1;
-
- /** Unsupported Jpeg markers. */
- public static final int[] UNSUPPORTED_MARKERS = {0xC3, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCD, 0xCE, 0xCF};
-
- /** This is a type of marker. */
- public static final int NOPARAM_MARKER = 2;
-
- /** Jpeg markers without additional parameters. */
- public static final int[] NOPARAM_MARKERS = {0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0x01};
-
- /** Marker value */
- public static final int M_APP0 = 0xE0;
- /** Marker value */
- public static final int M_APPE = 0xEE;
-
- /** sequence that is used in all Jpeg files */
- public static final byte JFIF_ID[] = {0x4A, 0x46, 0x49, 0x46, 0x00};
- // Constructors
-
- Jpeg(Image image) {
- super(image);
- }
-
- /**
- * Constructs a <CODE>Jpeg</CODE>-object, using an <VAR>url</VAR>.
- *
- * @param url the <CODE>URL</CODE> where the image can be found
- * @throws BadElementException
- * @throws IOException
- */
-
- public Jpeg(URL url) throws BadElementException, IOException {
- super(url);
- processParameters();
- }
-
- /**
- * Constructs a <CODE>Jpeg</CODE>-object, using an <VAR>url</VAR>.
- *
- * @param url the <CODE>URL</CODE> where the image can be found.
- * @param width new width of the Jpeg
- * @param height new height of the Jpeg
- * @throws BadElementException
- * @throws IOException
- * @deprecated use Image.getInstance(...) to create an Image
- */
-
- public Jpeg(URL url, float width, float height) throws BadElementException, IOException {
- this(url);
- scaledWidth = width;
- scaledHeight = height;
- }
-
- /**
- * Constructs a <CODE>Jpeg</CODE>-object, using a <VAR>filename</VAR>.
- *
- * @param filename a <CODE>String</CODE>-representation of the file that contains the Image.
- * @throws BadElementException
- * @throws MalformedURLException
- * @throws IOException
- * @deprecated use Image.getInstance(...) to create an Image
- */
-
- public Jpeg(String filename) throws BadElementException, MalformedURLException, IOException {
- this(Image.toURL(filename));
- }
-
- /**
- * Constructs a <CODE>Jpeg</CODE>-object, using a <VAR>filename</VAR>.
- *
- * @param filename a <CODE>String</CODE>-representation of the file that contains the Image.
- * @param width new width of the Jpeg
- * @param height new height of the Jpeg
- * @throws BadElementException
- * @throws MalformedURLException
- * @throws IOException
- * @deprecated use Image.getInstance(...) to create an Image
- */
-
- public Jpeg(String filename, float width, float height) throws BadElementException, MalformedURLException, IOException {
- this(Image.toURL(filename), width, height);
- }
-
- /**
- * Constructs a <CODE>Jpeg</CODE>-object from memory.
- *
- * @param img the memory image
- * @throws BadElementException
- * @throws IOException
- */
-
- public Jpeg(byte[] img) throws BadElementException, IOException {
- super((URL)null);
- rawData = img;
- originalData = img;
- processParameters();
- }
-
- /**
- * Constructs a <CODE>Jpeg</CODE>-object from memory.
- *
- * @param img the memory image.
- * @param width the width you want the image to have
- * @param height the height you want the image to have
- * @throws BadElementException
- * @throws IOException
- */
-
- public Jpeg(byte[] img, float width, float height) throws BadElementException, IOException {
- this(img);
- scaledWidth = width;
- scaledHeight = height;
- }
-
- // private static methods
-
- /**
- * Reads a short from the <CODE>InputStream</CODE>.
- *
- * @param is the <CODE>InputStream</CODE>
- * @return an int
- * @throws IOException
- */
-
- private static final int getShort(InputStream is) throws IOException {
- return (is.read() << 8) + is.read();
- }
-
- /**
- * Returns a type of marker.
- *
- * @param marker an int
- * @return a type: <VAR>VALID_MARKER</CODE>, <VAR>UNSUPPORTED_MARKER</VAR> or <VAR>NOPARAM_MARKER</VAR>
- */
-
- private static final int marker(int marker) {
- for (int i = 0; i < VALID_MARKERS.length; i++) {
- if (marker == VALID_MARKERS[i]) {
- return VALID_MARKER;
- }
- }
- for (int i = 0; i < NOPARAM_MARKERS.length; i++) {
- if (marker == NOPARAM_MARKERS[i]) {
- return NOPARAM_MARKER;
- }
- }
- for (int i = 0; i < UNSUPPORTED_MARKERS.length; i++) {
- if (marker == UNSUPPORTED_MARKERS[i]) {
- return UNSUPPORTED_MARKER;
- }
- }
- return NOT_A_MARKER;
- }
-
- // private methods
-
- /**
- * This method checks if the image is a valid JPEG and processes some parameters.
- * @throws BadElementException
- * @throws IOException
- */
-
- private void processParameters() throws BadElementException, IOException {
- type = JPEG;
- originalType = ORIGINAL_JPEG;
- InputStream is = null;
- try {
- String errorID;
- if (rawData == null){
- is = url.openStream();
- errorID = url.toString();
- }
- else{
- is = new java.io.ByteArrayInputStream(rawData);
- errorID = "Byte array";
- }
- if (is.read() != 0xFF || is.read() != 0xD8) {
- throw new BadElementException(errorID + " is not a valid JPEG-file.");
- }
- boolean firstPass = true;
- int len;
- while (true) {
- int v = is.read();
- if (v < 0)
- throw new IOException("Premature EOF while reading JPG.");
- if (v == 0xFF) {
- int marker = is.read();
- if (firstPass && marker == M_APP0) {
- firstPass = false;
- len = getShort(is);
- if (len < 16) {
- skip(is, len - 2);
- continue;
- }
- byte bcomp[] = new byte[JFIF_ID.length];
- int r = is.read(bcomp);
- if (r != bcomp.length)
- throw new BadElementException(errorID + " corrupted JFIF marker.");
- boolean found = true;
- for (int k = 0; k < bcomp.length; ++k) {
- if (bcomp[k] != JFIF_ID[k]) {
- found = false;
- break;
- }
- }
- if (!found) {
- skip(is, len - 2 - bcomp.length);
- continue;
- }
- skip(is, 2);
- int units = is.read();
- int dx = getShort(is);
- int dy = getShort(is);
- if (units == 1) {
- dpiX = dx;
- dpiY = dy;
- }
- else if (units == 2) {
- dpiX = (int)((float)dx * 2.54f + 0.5f);
- dpiY = (int)((float)dy * 2.54f + 0.5f);
- }
- skip(is, len - 2 - bcomp.length - 7);
- continue;
- }
- if (marker == M_APPE) {
- len = getShort(is);
- byte[] byteappe = new byte[len];
- for (int k = 0; k < len; ++k) {
- byteappe[k] = (byte)is.read();
- }
- if (byteappe.length > 12) {
- String appe = new String(byteappe, 0, 5, "ISO-8859-1");
- if (appe.equals("Adobe")) {
- invert = true;
- }
- }
- }
- firstPass = false;
- int markertype = marker(marker);
- if (markertype == VALID_MARKER) {
- skip(is, 2);
- if (is.read() != 0x08) {
- throw new BadElementException(errorID + " must have 8 bits per component.");
- }
- scaledHeight = getShort(is);
- setTop(scaledHeight);
- scaledWidth = getShort(is);
- setRight(scaledWidth);
- colorspace = is.read();
- bpc = 8;
- break;
- }
- else if (markertype == UNSUPPORTED_MARKER) {
- throw new BadElementException(errorID + ": unsupported JPEG marker: " + marker);
- }
- else if (markertype != NOPARAM_MARKER) {
- skip(is, getShort(is) - 2);
- }
- }
- }
- }
- finally {
- if (is != null) {
- is.close();
- }
- plainWidth = width();
- plainHeight = height();
- }
- }
-}
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