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Diffstat (limited to 'src/main/java/com/lowagie/text/pdf/PdfContentByte.java')
| -rw-r--r-- | src/main/java/com/lowagie/text/pdf/PdfContentByte.java | 3053 |
1 files changed, 3053 insertions, 0 deletions
diff --git a/src/main/java/com/lowagie/text/pdf/PdfContentByte.java b/src/main/java/com/lowagie/text/pdf/PdfContentByte.java new file mode 100644 index 0000000..07669cd --- /dev/null +++ b/src/main/java/com/lowagie/text/pdf/PdfContentByte.java @@ -0,0 +1,3053 @@ +/*
+ * $Id: PdfContentByte.java,v 1.100 2006/05/18 09:39:28 psoares33 Exp $
+ * $Name: $
+ *
+ * Copyright 1999, 2000, 2001, 2002 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.pdf;
+import java.awt.Color;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.awt.geom.AffineTransform;
+import java.awt.print.PrinterJob;
+
+import com.lowagie.text.DocumentException;
+import com.lowagie.text.Element;
+import com.lowagie.text.Image;
+import com.lowagie.text.Rectangle;
+import com.lowagie.text.Annotation;
+import com.lowagie.text.ExceptionConverter;
+import com.lowagie.text.pdf.ExtendedColor;
+
+/**
+ * <CODE>PdfContentByte</CODE> is an object containing the user positioned
+ * text and graphic contents of a page. It knows how to apply the proper
+ * font encoding.
+ */
+
+public class PdfContentByte {
+
+ /**
+ * This class keeps the graphic state of the current page
+ */
+
+ static class GraphicState {
+
+ /** This is the font in use */
+ FontDetails fontDetails;
+
+ /** This is the color in use */
+ ColorDetails colorDetails;
+
+ /** This is the font size in use */
+ float size;
+
+ /** The x position of the text line matrix. */
+ protected float xTLM = 0;
+ /** The y position of the text line matrix. */
+ protected float yTLM = 0;
+
+ /** The current text leading. */
+ protected float leading = 0;
+
+ /** The current horizontal scaling */
+ protected float scale = 100;
+
+ /** The current character spacing */
+ protected float charSpace = 0;
+
+ /** The current word spacing */
+ protected float wordSpace = 0;
+
+ GraphicState() {
+ }
+
+ GraphicState(GraphicState cp) {
+ fontDetails = cp.fontDetails;
+ colorDetails = cp.colorDetails;
+ size = cp.size;
+ xTLM = cp.xTLM;
+ yTLM = cp.yTLM;
+ leading = cp.leading;
+ scale = cp.scale;
+ charSpace = cp.charSpace;
+ wordSpace = cp.wordSpace;
+ }
+ }
+
+ /** The alignement is center */
+ public static final int ALIGN_CENTER = Element.ALIGN_CENTER;
+
+ /** The alignement is left */
+ public static final int ALIGN_LEFT = Element.ALIGN_LEFT;
+
+ /** The alignement is right */
+ public static final int ALIGN_RIGHT = Element.ALIGN_RIGHT;
+
+ /** A possible line cap value */
+ public static final int LINE_CAP_BUTT = 0;
+ /** A possible line cap value */
+ public static final int LINE_CAP_ROUND = 1;
+ /** A possible line cap value */
+ public static final int LINE_CAP_PROJECTING_SQUARE = 2;
+
+ /** A possible line join value */
+ public static final int LINE_JOIN_MITER = 0;
+ /** A possible line join value */
+ public static final int LINE_JOIN_ROUND = 1;
+ /** A possible line join value */
+ public static final int LINE_JOIN_BEVEL = 2;
+
+ /** A possible text rendering value */
+ public static final int TEXT_RENDER_MODE_FILL = 0;
+ /** A possible text rendering value */
+ public static final int TEXT_RENDER_MODE_STROKE = 1;
+ /** A possible text rendering value */
+ public static final int TEXT_RENDER_MODE_FILL_STROKE = 2;
+ /** A possible text rendering value */
+ public static final int TEXT_RENDER_MODE_INVISIBLE = 3;
+ /** A possible text rendering value */
+ public static final int TEXT_RENDER_MODE_FILL_CLIP = 4;
+ /** A possible text rendering value */
+ public static final int TEXT_RENDER_MODE_STROKE_CLIP = 5;
+ /** A possible text rendering value */
+ public static final int TEXT_RENDER_MODE_FILL_STROKE_CLIP = 6;
+ /** A possible text rendering value */
+ public static final int TEXT_RENDER_MODE_CLIP = 7;
+
+ private static final float[] unitRect = {0, 0, 0, 1, 1, 0, 1, 1};
+ // membervariables
+
+ /** This is the actual content */
+ protected ByteBuffer content = new ByteBuffer();
+
+ /** This is the writer */
+ protected PdfWriter writer;
+
+ /** This is the PdfDocument */
+ protected PdfDocument pdf;
+
+ /** This is the GraphicState in use */
+ protected GraphicState state = new GraphicState();
+
+ /** The list were we save/restore the state */
+ protected ArrayList stateList = new ArrayList();
+
+ /** The list were we save/restore the layer depth */
+ protected ArrayList layerDepth;
+
+ /** The separator between commands.
+ */
+ protected int separator = '\n';
+
+ private static HashMap abrev = new HashMap();
+
+ static {
+ abrev.put(PdfName.BITSPERCOMPONENT, "/BPC ");
+ abrev.put(PdfName.COLORSPACE, "/CS ");
+ abrev.put(PdfName.DECODE, "/D ");
+ abrev.put(PdfName.DECODEPARMS, "/DP ");
+ abrev.put(PdfName.FILTER, "/F ");
+ abrev.put(PdfName.HEIGHT, "/H ");
+ abrev.put(PdfName.IMAGEMASK, "/IM ");
+ abrev.put(PdfName.INTENT, "/Intent ");
+ abrev.put(PdfName.INTERPOLATE, "/I ");
+ abrev.put(PdfName.WIDTH, "/W ");
+ }
+
+ // constructors
+
+ /**
+ * Constructs a new <CODE>PdfContentByte</CODE>-object.
+ *
+ * @param wr the writer associated to this content
+ */
+
+ public PdfContentByte(PdfWriter wr) {
+ if (wr != null) {
+ writer = wr;
+ pdf = writer.getPdfDocument();
+ }
+ }
+
+ // methods to get the content of this object
+
+ /**
+ * Returns the <CODE>String</CODE> representation of this <CODE>PdfContentByte</CODE>-object.
+ *
+ * @return a <CODE>String</CODE>
+ */
+
+ public String toString() {
+ return content.toString();
+ }
+
+ /**
+ * Gets the internal buffer.
+ * @return the internal buffer
+ */
+ public ByteBuffer getInternalBuffer() {
+ return content;
+ }
+
+ /** Returns the PDF representation of this <CODE>PdfContentByte</CODE>-object.
+ *
+ * @param writer the <CODE>PdfWriter</CODE>
+ * @return a <CODE>byte</CODE> array with the representation
+ */
+
+ public byte[] toPdf(PdfWriter writer) {
+ return content.toByteArray();
+ }
+
+ // methods to add graphical content
+
+ /**
+ * Adds the content of another <CODE>PdfContent</CODE>-object to this object.
+ *
+ * @param other another <CODE>PdfByteContent</CODE>-object
+ */
+
+ public void add(PdfContentByte other) {
+ if (other.writer != null && writer != other.writer)
+ throw new RuntimeException("Inconsistent writers. Are you mixing two documents?");
+ content.append(other.content);
+ }
+
+ /**
+ * Gets the x position of the text line matrix.
+ *
+ * @return the x position of the text line matrix
+ */
+ public float getXTLM() {
+ return state.xTLM;
+ }
+
+ /**
+ * Gets the y position of the text line matrix.
+ *
+ * @return the y position of the text line matrix
+ */
+ public float getYTLM() {
+ return state.yTLM;
+ }
+
+ /**
+ * Gets the current text leading.
+ *
+ * @return the current text leading
+ */
+ public float getLeading() {
+ return state.leading;
+ }
+
+ /**
+ * Gets the current character spacing.
+ *
+ * @return the current character spacing
+ */
+ public float getCharacterSpacing() {
+ return state.charSpace;
+ }
+
+ /**
+ * Gets the current word spacing.
+ *
+ * @return the current word spacing
+ */
+ public float getWordSpacing() {
+ return state.wordSpace;
+ }
+
+ /**
+ * Gets the current character spacing.
+ *
+ * @return the current character spacing
+ */
+ public float getHorizontalScaling() {
+ return state.scale;
+ }
+
+ /**
+ * Changes the <VAR>Flatness</VAR>.
+ * <P>
+ * <VAR>Flatness</VAR> sets the maximum permitted distance in device pixels between the
+ * mathematically correct path and an approximation constructed from straight line segments.<BR>
+ *
+ * @param flatness a value
+ */
+
+ public void setFlatness(float flatness) {
+ if (flatness >= 0 && flatness <= 100) {
+ content.append(flatness).append(" i").append_i(separator);
+ }
+ }
+
+ /**
+ * Changes the <VAR>Line cap style</VAR>.
+ * <P>
+ * The <VAR>line cap style</VAR> specifies the shape to be used at the end of open subpaths
+ * when they are stroked.<BR>
+ * Allowed values are LINE_CAP_BUTT, LINE_CAP_ROUND and LINE_CAP_PROJECTING_SQUARE.<BR>
+ *
+ * @param style a value
+ */
+
+ public void setLineCap(int style) {
+ if (style >= 0 && style <= 2) {
+ content.append(style).append(" J").append_i(separator);
+ }
+ }
+
+ /**
+ * Changes the value of the <VAR>line dash pattern</VAR>.
+ * <P>
+ * The line dash pattern controls the pattern of dashes and gaps used to stroke paths.
+ * It is specified by an <I>array</I> and a <I>phase</I>. The array specifies the length
+ * of the alternating dashes and gaps. The phase specifies the distance into the dash
+ * pattern to start the dash.<BR>
+ *
+ * @param phase the value of the phase
+ */
+
+ public void setLineDash(float phase) {
+ content.append("[] ").append(phase).append(" d").append_i(separator);
+ }
+
+ /**
+ * Changes the value of the <VAR>line dash pattern</VAR>.
+ * <P>
+ * The line dash pattern controls the pattern of dashes and gaps used to stroke paths.
+ * It is specified by an <I>array</I> and a <I>phase</I>. The array specifies the length
+ * of the alternating dashes and gaps. The phase specifies the distance into the dash
+ * pattern to start the dash.<BR>
+ *
+ * @param phase the value of the phase
+ * @param unitsOn the number of units that must be 'on' (equals the number of units that must be 'off').
+ */
+
+ public void setLineDash(float unitsOn, float phase) {
+ content.append("[").append(unitsOn).append("] ").append(phase).append(" d").append_i(separator);
+ }
+
+ /**
+ * Changes the value of the <VAR>line dash pattern</VAR>.
+ * <P>
+ * The line dash pattern controls the pattern of dashes and gaps used to stroke paths.
+ * It is specified by an <I>array</I> and a <I>phase</I>. The array specifies the length
+ * of the alternating dashes and gaps. The phase specifies the distance into the dash
+ * pattern to start the dash.<BR>
+ *
+ * @param phase the value of the phase
+ * @param unitsOn the number of units that must be 'on'
+ * @param unitsOff the number of units that must be 'off'
+ */
+
+ public void setLineDash(float unitsOn, float unitsOff, float phase) {
+ content.append("[").append(unitsOn).append(' ').append(unitsOff).append("] ").append(phase).append(" d").append_i(separator);
+ }
+
+ /**
+ * Changes the value of the <VAR>line dash pattern</VAR>.
+ * <P>
+ * The line dash pattern controls the pattern of dashes and gaps used to stroke paths.
+ * It is specified by an <I>array</I> and a <I>phase</I>. The array specifies the length
+ * of the alternating dashes and gaps. The phase specifies the distance into the dash
+ * pattern to start the dash.<BR>
+ *
+ * @param array length of the alternating dashes and gaps
+ * @param phase the value of the phase
+ */
+
+ public final void setLineDash(float[] array, float phase) {
+ content.append("[");
+ for (int i = 0; i < array.length; i++) {
+ content.append(array[i]);
+ if (i < array.length - 1) content.append(' ');
+ }
+ content.append("] ").append(phase).append(" d").append_i(separator);
+ }
+
+ /**
+ * Changes the <VAR>Line join style</VAR>.
+ * <P>
+ * The <VAR>line join style</VAR> specifies the shape to be used at the corners of paths
+ * that are stroked.<BR>
+ * Allowed values are LINE_JOIN_MITER (Miter joins), LINE_JOIN_ROUND (Round joins) and LINE_JOIN_BEVEL (Bevel joins).<BR>
+ *
+ * @param style a value
+ */
+
+ public void setLineJoin(int style) {
+ if (style >= 0 && style <= 2) {
+ content.append(style).append(" j").append_i(separator);
+ }
+ }
+
+ /**
+ * Changes the <VAR>line width</VAR>.
+ * <P>
+ * The line width specifies the thickness of the line used to stroke a path and is measured
+ * in user space units.<BR>
+ *
+ * @param w a width
+ */
+
+ public void setLineWidth(float w) {
+ content.append(w).append(" w").append_i(separator);
+ }
+
+ /**
+ * Changes the <VAR>Miter limit</VAR>.
+ * <P>
+ * When two line segments meet at a sharp angle and mitered joins have been specified as the
+ * line join style, it is possible for the miter to extend far beyond the thickness of the line
+ * stroking path. The miter limit imposes a maximum on the ratio of the miter length to the line
+ * witdh. When the limit is exceeded, the join is converted from a miter to a bevel.<BR>
+ *
+ * @param miterLimit a miter limit
+ */
+
+ public void setMiterLimit(float miterLimit) {
+ if (miterLimit > 1) {
+ content.append(miterLimit).append(" M").append_i(separator);
+ }
+ }
+
+ /**
+ * Modify the current clipping path by intersecting it with the current path, using the
+ * nonzero winding number rule to determine which regions lie inside the clipping
+ * path.
+ */
+
+ public void clip() {
+ content.append("W").append_i(separator);
+ }
+
+ /**
+ * Modify the current clipping path by intersecting it with the current path, using the
+ * even-odd rule to determine which regions lie inside the clipping path.
+ */
+
+ public void eoClip() {
+ content.append("W*").append_i(separator);
+ }
+
+ /**
+ * Changes the currentgray tint for filling paths (device dependent colors!).
+ * <P>
+ * Sets the color space to <B>DeviceGray</B> (or the <B>DefaultGray</B> color space),
+ * and sets the gray tint to use for filling paths.</P>
+ *
+ * @param gray a value between 0 (black) and 1 (white)
+ */
+
+ public void setGrayFill(float gray) {
+ content.append(gray).append(" g").append_i(separator);
+ }
+
+ /**
+ * Changes the current gray tint for filling paths to black.
+ */
+
+ public void resetGrayFill() {
+ content.append("0 g").append_i(separator);
+ }
+
+ /**
+ * Changes the currentgray tint for stroking paths (device dependent colors!).
+ * <P>
+ * Sets the color space to <B>DeviceGray</B> (or the <B>DefaultGray</B> color space),
+ * and sets the gray tint to use for stroking paths.</P>
+ *
+ * @param gray a value between 0 (black) and 1 (white)
+ */
+
+ public void setGrayStroke(float gray) {
+ content.append(gray).append(" G").append_i(separator);
+ }
+
+ /**
+ * Changes the current gray tint for stroking paths to black.
+ */
+
+ public void resetGrayStroke() {
+ content.append("0 G").append_i(separator);
+ }
+
+ /**
+ * Helper to validate and write the RGB color components
+ * @param red the intensity of red. A value between 0 and 1
+ * @param green the intensity of green. A value between 0 and 1
+ * @param blue the intensity of blue. A value between 0 and 1
+ */
+ private void HelperRGB(float red, float green, float blue) {
+ PdfWriter.checkPDFXConformance(writer, PdfWriter.PDFXKEY_RGB, null);
+ if (red < 0)
+ red = 0.0f;
+ else if (red > 1.0f)
+ red = 1.0f;
+ if (green < 0)
+ green = 0.0f;
+ else if (green > 1.0f)
+ green = 1.0f;
+ if (blue < 0)
+ blue = 0.0f;
+ else if (blue > 1.0f)
+ blue = 1.0f;
+ content.append(red).append(' ').append(green).append(' ').append(blue);
+ }
+
+ /**
+ * Changes the current color for filling paths (device dependent colors!).
+ * <P>
+ * Sets the color space to <B>DeviceRGB</B> (or the <B>DefaultRGB</B> color space),
+ * and sets the color to use for filling paths.</P>
+ * <P>
+ * Following the PDF manual, each operand must be a number between 0 (minimum intensity) and
+ * 1 (maximum intensity).</P>
+ *
+ * @param red the intensity of red. A value between 0 and 1
+ * @param green the intensity of green. A value between 0 and 1
+ * @param blue the intensity of blue. A value between 0 and 1
+ */
+
+ public void setRGBColorFillF(float red, float green, float blue) {
+ HelperRGB(red, green, blue);
+ content.append(" rg").append_i(separator);
+ }
+
+ /**
+ * Changes the current color for filling paths to black.
+ */
+
+ public void resetRGBColorFill() {
+ content.append("0 g").append_i(separator);
+ }
+
+ /**
+ * Changes the current color for stroking paths (device dependent colors!).
+ * <P>
+ * Sets the color space to <B>DeviceRGB</B> (or the <B>DefaultRGB</B> color space),
+ * and sets the color to use for stroking paths.</P>
+ * <P>
+ * Following the PDF manual, each operand must be a number between 0 (miniumum intensity) and
+ * 1 (maximum intensity).
+ *
+ * @param red the intensity of red. A value between 0 and 1
+ * @param green the intensity of green. A value between 0 and 1
+ * @param blue the intensity of blue. A value between 0 and 1
+ */
+
+ public void setRGBColorStrokeF(float red, float green, float blue) {
+ HelperRGB(red, green, blue);
+ content.append(" RG").append_i(separator);
+ }
+
+ /**
+ * Changes the current color for stroking paths to black.
+ *
+ */
+
+ public void resetRGBColorStroke() {
+ content.append("0 G").append_i(separator);
+ }
+
+ /**
+ * Helper to validate and write the CMYK color components.
+ *
+ * @param cyan the intensity of cyan. A value between 0 and 1
+ * @param magenta the intensity of magenta. A value between 0 and 1
+ * @param yellow the intensity of yellow. A value between 0 and 1
+ * @param black the intensity of black. A value between 0 and 1
+ */
+ private void HelperCMYK(float cyan, float magenta, float yellow, float black) {
+ if (cyan < 0)
+ cyan = 0.0f;
+ else if (cyan > 1.0f)
+ cyan = 1.0f;
+ if (magenta < 0)
+ magenta = 0.0f;
+ else if (magenta > 1.0f)
+ magenta = 1.0f;
+ if (yellow < 0)
+ yellow = 0.0f;
+ else if (yellow > 1.0f)
+ yellow = 1.0f;
+ if (black < 0)
+ black = 0.0f;
+ else if (black > 1.0f)
+ black = 1.0f;
+ content.append(cyan).append(' ').append(magenta).append(' ').append(yellow).append(' ').append(black);
+ }
+
+ /**
+ * Changes the current color for filling paths (device dependent colors!).
+ * <P>
+ * Sets the color space to <B>DeviceCMYK</B> (or the <B>DefaultCMYK</B> color space),
+ * and sets the color to use for filling paths.</P>
+ * <P>
+ * Following the PDF manual, each operand must be a number between 0 (no ink) and
+ * 1 (maximum ink).</P>
+ *
+ * @param cyan the intensity of cyan. A value between 0 and 1
+ * @param magenta the intensity of magenta. A value between 0 and 1
+ * @param yellow the intensity of yellow. A value between 0 and 1
+ * @param black the intensity of black. A value between 0 and 1
+ */
+
+ public void setCMYKColorFillF(float cyan, float magenta, float yellow, float black) {
+ HelperCMYK(cyan, magenta, yellow, black);
+ content.append(" k").append_i(separator);
+ }
+
+ /**
+ * Changes the current color for filling paths to black.
+ *
+ */
+
+ public void resetCMYKColorFill() {
+ content.append("0 0 0 1 k").append_i(separator);
+ }
+
+ /**
+ * Changes the current color for stroking paths (device dependent colors!).
+ * <P>
+ * Sets the color space to <B>DeviceCMYK</B> (or the <B>DefaultCMYK</B> color space),
+ * and sets the color to use for stroking paths.</P>
+ * <P>
+ * Following the PDF manual, each operand must be a number between 0 (miniumum intensity) and
+ * 1 (maximum intensity).
+ *
+ * @param cyan the intensity of cyan. A value between 0 and 1
+ * @param magenta the intensity of magenta. A value between 0 and 1
+ * @param yellow the intensity of yellow. A value between 0 and 1
+ * @param black the intensity of black. A value between 0 and 1
+ */
+
+ public void setCMYKColorStrokeF(float cyan, float magenta, float yellow, float black) {
+ HelperCMYK(cyan, magenta, yellow, black);
+ content.append(" K").append_i(separator);
+ }
+
+ /**
+ * Changes the current color for stroking paths to black.
+ *
+ */
+
+ public void resetCMYKColorStroke() {
+ content.append("0 0 0 1 K").append_i(separator);
+ }
+
+ /**
+ * Move the current point <I>(x, y)</I>, omitting any connecting line segment.
+ *
+ * @param x new x-coordinate
+ * @param y new y-coordinate
+ */
+
+ public void moveTo(float x, float y) {
+ content.append(x).append(' ').append(y).append(" m").append_i(separator);
+ }
+
+ /**
+ * Appends a straight line segment from the current point <I>(x, y)</I>. The new current
+ * point is <I>(x, y)</I>.
+ *
+ * @param x new x-coordinate
+ * @param y new y-coordinate
+ */
+
+ public void lineTo(float x, float y) {
+ content.append(x).append(' ').append(y).append(" l").append_i(separator);
+ }
+
+ /**
+ * Appends a Bêzier curve to the path, starting from the current point.
+ *
+ * @param x1 x-coordinate of the first control point
+ * @param y1 y-coordinate of the first control point
+ * @param x2 x-coordinate of the second control point
+ * @param y2 y-coordinate of the second control point
+ * @param x3 x-coordinaat of the ending point (= new current point)
+ * @param y3 y-coordinaat of the ending point (= new current point)
+ */
+
+ public void curveTo(float x1, float y1, float x2, float y2, float x3, float y3) {
+ content.append(x1).append(' ').append(y1).append(' ').append(x2).append(' ').append(y2).append(' ').append(x3).append(' ').append(y3).append(" c").append_i(separator);
+ }
+
+ /**
+ * Appends a Bêzier curve to the path, starting from the current point.
+ *
+ * @param x2 x-coordinate of the second control point
+ * @param y2 y-coordinate of the second control point
+ * @param x3 x-coordinaat of the ending point (= new current point)
+ * @param y3 y-coordinaat of the ending point (= new current point)
+ */
+
+ public void curveTo(float x2, float y2, float x3, float y3) {
+ content.append(x2).append(' ').append(y2).append(' ').append(x3).append(' ').append(y3).append(" v").append_i(separator);
+ }
+
+ /**
+ * Appends a Bêzier curve to the path, starting from the current point.
+ *
+ * @param x1 x-coordinate of the first control point
+ * @param y1 y-coordinate of the first control point
+ * @param x3 x-coordinaat of the ending point (= new current point)
+ * @param y3 y-coordinaat of the ending point (= new current point)
+ */
+
+ public void curveFromTo(float x1, float y1, float x3, float y3) {
+ content.append(x1).append(' ').append(y1).append(' ').append(x3).append(' ').append(y3).append(" y").append_i(separator);
+ }
+
+ /** Draws a circle. The endpoint will (x+r, y).
+ *
+ * @param x x center of circle
+ * @param y y center of circle
+ * @param r radius of circle
+ */
+ public void circle(float x, float y, float r) {
+ float b = 0.5523f;
+ moveTo(x + r, y);
+ curveTo(x + r, y + r * b, x + r * b, y + r, x, y + r);
+ curveTo(x - r * b, y + r, x - r, y + r * b, x - r, y);
+ curveTo(x - r, y - r * b, x - r * b, y - r, x, y - r);
+ curveTo(x + r * b, y - r, x + r, y - r * b, x + r, y);
+ }
+
+
+
+ /**
+ * Adds a rectangle to the current path.
+ *
+ * @param x x-coordinate of the starting point
+ * @param y y-coordinate of the starting point
+ * @param w width
+ * @param h height
+ */
+
+ public void rectangle(float x, float y, float w, float h) {
+ content.append(x).append(' ').append(y).append(' ').append(w).append(' ').append(h).append(" re").append_i(separator);
+ }
+
+ private boolean compareColors(Color c1, Color c2) {
+ if (c1 == null && c2 == null)
+ return true;
+ if (c1 == null || c2 == null)
+ return false;
+ if (c1 instanceof ExtendedColor)
+ return c1.equals(c2);
+ return c2.equals(c1);
+ }
+
+ /**
+ * Adds a variable width border to the current path.
+ * Only use if {@link com.lowagie.text.Rectangle#isUseVariableBorders() Rectangle.isUseVariableBorders}
+ * = true.
+ * @param rect a <CODE>Rectangle</CODE>
+ */
+ public void variableRectangle(Rectangle rect) {
+ float t = rect.top();
+ float b = rect.bottom();
+ float r = rect.right();
+ float l = rect.left();
+ float wt = rect.getBorderWidthTop();
+ float wb = rect.getBorderWidthBottom();
+ float wr = rect.getBorderWidthRight();
+ float wl = rect.getBorderWidthLeft();
+ Color ct = rect.getBorderColorTop();
+ Color cb = rect.getBorderColorBottom();
+ Color cr = rect.getBorderColorRight();
+ Color cl = rect.getBorderColorLeft();
+ saveState();
+ setLineCap(PdfContentByte.LINE_CAP_BUTT);
+ setLineJoin(PdfContentByte.LINE_JOIN_MITER);
+ float clw = 0;
+ boolean cdef = false;
+ Color ccol = null;
+ boolean cdefi = false;
+ Color cfil = null;
+ // draw top
+ if (wt > 0) {
+ setLineWidth(clw = wt);
+ cdef = true;
+ if (ct == null)
+ resetRGBColorStroke();
+ else
+ setColorStroke(ct);
+ ccol = ct;
+ moveTo(l, t - wt / 2f);
+ lineTo(r, t - wt / 2f);
+ stroke();
+ }
+
+ // Draw bottom
+ if (wb > 0) {
+ if (wb != clw)
+ setLineWidth(clw = wb);
+ if (!cdef || !compareColors(ccol, cb)) {
+ cdef = true;
+ if (cb == null)
+ resetRGBColorStroke();
+ else
+ setColorStroke(cb);
+ ccol = cb;
+ }
+ moveTo(r, b + wb / 2f);
+ lineTo(l, b + wb / 2f);
+ stroke();
+ }
+
+ // Draw right
+ if (wr > 0) {
+ if (wr != clw)
+ setLineWidth(clw = wr);
+ if (!cdef || !compareColors(ccol, cr)) {
+ cdef = true;
+ if (cr == null)
+ resetRGBColorStroke();
+ else
+ setColorStroke(cr);
+ ccol = cr;
+ }
+ boolean bt = compareColors(ct, cr);
+ boolean bb = compareColors(cb, cr);
+ moveTo(r - wr / 2f, bt ? t : t - wt);
+ lineTo(r - wr / 2f, bb ? b : b + wb);
+ stroke();
+ if (!bt || !bb) {
+ cdefi = true;
+ if (cr == null)
+ resetRGBColorFill();
+ else
+ setColorFill(cr);
+ cfil = cr;
+ if (!bt) {
+ moveTo(r, t);
+ lineTo(r, t - wt);
+ lineTo(r - wr, t - wt);
+ fill();
+ }
+ if (!bb) {
+ moveTo(r, b);
+ lineTo(r, b + wb);
+ lineTo(r - wr, b + wb);
+ fill();
+ }
+ }
+ }
+
+ // Draw Left
+ if (wl > 0) {
+ if (wl != clw)
+ setLineWidth(wl);
+ if (!cdef || !compareColors(ccol, cl)) {
+ if (cl == null)
+ resetRGBColorStroke();
+ else
+ setColorStroke(cl);
+ }
+ boolean bt = compareColors(ct, cl);
+ boolean bb = compareColors(cb, cl);
+ moveTo(l + wl / 2f, bt ? t : t - wt);
+ lineTo(l + wl / 2f, bb ? b : b + wb);
+ stroke();
+ if (!bt || !bb) {
+ if (!cdefi || !compareColors(cfil, cl)) {
+ if (cl == null)
+ resetRGBColorFill();
+ else
+ setColorFill(cl);
+ }
+ if (!bt) {
+ moveTo(l, t);
+ lineTo(l, t - wt);
+ lineTo(l + wl, t - wt);
+ fill();
+ }
+ if (!bb) {
+ moveTo(l, b);
+ lineTo(l, b + wb);
+ lineTo(l + wl, b + wb);
+ fill();
+ }
+ }
+ }
+ restoreState();
+ }
+
+ /**
+ * Adds a border (complete or partially) to the current path..
+ *
+ * @param rectangle a <CODE>Rectangle</CODE>
+ */
+
+ public void rectangle(Rectangle rectangle) {
+ // the coordinates of the border are retrieved
+ float x1 = rectangle.left();
+ float y1 = rectangle.bottom();
+ float x2 = rectangle.right();
+ float y2 = rectangle.top();
+
+ // the backgroundcolor is set
+ Color background = rectangle.backgroundColor();
+ if (background != null) {
+ setColorFill(background);
+ rectangle(x1, y1, x2 - x1, y2 - y1);
+ fill();
+ resetRGBColorFill();
+ }
+
+ // if the element hasn't got any borders, nothing is added
+ if (! rectangle.hasBorders()) {
+ return;
+ }
+
+ // if any of the individual border colors are set
+ // we draw the borders all around using the
+ // different colors
+ if (rectangle.isUseVariableBorders()) {
+ variableRectangle(rectangle);
+ }
+ else {
+ // the width is set to the width of the element
+ if (rectangle.borderWidth() != Rectangle.UNDEFINED) {
+ setLineWidth(rectangle.borderWidth());
+ }
+
+ // the color is set to the color of the element
+ Color color = rectangle.borderColor();
+ if (color != null) {
+ setColorStroke(color);
+ }
+
+ // if the box is a rectangle, it is added as a rectangle
+ if (rectangle.hasBorder(Rectangle.BOX)) {
+ rectangle(x1, y1, x2 - x1, y2 - y1);
+ }
+ // if the border isn't a rectangle, the different sides are added apart
+ else {
+ if (rectangle.hasBorder(Rectangle.RIGHT)) {
+ moveTo(x2, y1);
+ lineTo(x2, y2);
+ }
+ if (rectangle.hasBorder(Rectangle.LEFT)) {
+ moveTo(x1, y1);
+ lineTo(x1, y2);
+ }
+ if (rectangle.hasBorder(Rectangle.BOTTOM)) {
+ moveTo(x1, y1);
+ lineTo(x2, y1);
+ }
+ if (rectangle.hasBorder(Rectangle.TOP)) {
+ moveTo(x1, y2);
+ lineTo(x2, y2);
+ }
+ }
+
+ stroke();
+
+ if (color != null) {
+ resetRGBColorStroke();
+ }
+ }
+ }
+
+ /**
+ * Closes the current subpath by appending a straight line segment from the current point
+ * to the starting point of the subpath.
+ */
+
+ public void closePath() {
+ content.append("h").append_i(separator);
+ }
+
+ /**
+ * Ends the path without filling or stroking it.
+ */
+
+ public void newPath() {
+ content.append("n").append_i(separator);
+ }
+
+ /**
+ * Strokes the path.
+ */
+
+ public void stroke() {
+ content.append("S").append_i(separator);
+ }
+
+ /**
+ * Closes the path and strokes it.
+ */
+
+ public void closePathStroke() {
+ content.append("s").append_i(separator);
+ }
+
+ /**
+ * Fills the path, using the non-zero winding number rule to determine the region to fill.
+ */
+
+ public void fill() {
+ content.append("f").append_i(separator);
+ }
+
+ /**
+ * Fills the path, using the even-odd rule to determine the region to fill.
+ */
+
+ public void eoFill() {
+ content.append("f*").append_i(separator);
+ }
+
+ /**
+ * Fills the path using the non-zero winding number rule to determine the region to fill and strokes it.
+ */
+
+ public void fillStroke() {
+ content.append("B").append_i(separator);
+ }
+
+ /**
+ * Closes the path, fills it using the non-zero winding number rule to determine the region to fill and strokes it.
+ */
+
+ public void closePathFillStroke() {
+ content.append("b").append_i(separator);
+ }
+
+ /**
+ * Fills the path, using the even-odd rule to determine the region to fill and strokes it.
+ */
+
+ public void eoFillStroke() {
+ content.append("B*").append_i(separator);
+ }
+
+ /**
+ * Closes the path, fills it using the even-odd rule to determine the region to fill and strokes it.
+ */
+
+ public void closePathEoFillStroke() {
+ content.append("b*").append_i(separator);
+ }
+
+ /**
+ * Adds an <CODE>Image</CODE> to the page. The <CODE>Image</CODE> must have
+ * absolute positioning.
+ * @param image the <CODE>Image</CODE> object
+ * @throws DocumentException if the <CODE>Image</CODE> does not have absolute positioning
+ */
+ public void addImage(Image image) throws DocumentException {
+ addImage(image, false);
+ }
+
+ /**
+ * Adds an <CODE>Image</CODE> to the page. The <CODE>Image</CODE> must have
+ * absolute positioning. The image can be placed inline.
+ * @param image the <CODE>Image</CODE> object
+ * @param inlineImage <CODE>true</CODE> to place this image inline, <CODE>false</CODE> otherwise
+ * @throws DocumentException if the <CODE>Image</CODE> does not have absolute positioning
+ */
+ public void addImage(Image image, boolean inlineImage) throws DocumentException {
+ if (!image.hasAbsolutePosition())
+ throw new DocumentException("The image must have absolute positioning.");
+ float matrix[] = image.matrix();
+ matrix[Image.CX] = image.absoluteX() - matrix[Image.CX];
+ matrix[Image.CY] = image.absoluteY() - matrix[Image.CY];
+ addImage(image, matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5], inlineImage);
+ }
+
+ /**
+ * Adds an <CODE>Image</CODE> to the page. The positioning of the <CODE>Image</CODE>
+ * is done with the transformation matrix. To position an <CODE>image</CODE> at (x,y)
+ * use addImage(image, image_width, 0, 0, image_height, x, y).
+ * @param image the <CODE>Image</CODE> object
+ * @param a an element of the transformation matrix
+ * @param b an element of the transformation matrix
+ * @param c an element of the transformation matrix
+ * @param d an element of the transformation matrix
+ * @param e an element of the transformation matrix
+ * @param f an element of the transformation matrix
+ * @throws DocumentException on error
+ */
+ public void addImage(Image image, float a, float b, float c, float d, float e, float f) throws DocumentException {
+ addImage(image, a, b, c, d, e, f, false);
+ }
+
+ /**
+ * Adds an <CODE>Image</CODE> to the page. The positioning of the <CODE>Image</CODE>
+ * is done with the transformation matrix. To position an <CODE>image</CODE> at (x,y)
+ * use addImage(image, image_width, 0, 0, image_height, x, y). The image can be placed inline.
+ * @param image the <CODE>Image</CODE> object
+ * @param a an element of the transformation matrix
+ * @param b an element of the transformation matrix
+ * @param c an element of the transformation matrix
+ * @param d an element of the transformation matrix
+ * @param e an element of the transformation matrix
+ * @param f an element of the transformation matrix
+ * @param inlineImage <CODE>true</CODE> to place this image inline, <CODE>false</CODE> otherwise
+ * @throws DocumentException on error
+ */
+ public void addImage(Image image, float a, float b, float c, float d, float e, float f, boolean inlineImage) throws DocumentException {
+ try {
+ if (image.getLayer() != null)
+ beginLayer(image.getLayer());
+ if (image.isImgTemplate()) {
+ writer.addDirectImageSimple(image);
+ PdfTemplate template = image.templateData();
+ float w = template.getWidth();
+ float h = template.getHeight();
+ addTemplate(template, a / w, b / w, c / h, d / h, e, f);
+ }
+ else {
+ content.append("q ");
+ content.append(a).append(' ');
+ content.append(b).append(' ');
+ content.append(c).append(' ');
+ content.append(d).append(' ');
+ content.append(e).append(' ');
+ content.append(f).append(" cm");
+ if (inlineImage) {
+ content.append("\nBI\n");
+ PdfImage pimage = new PdfImage(image, "", null);
+ for (Iterator it = pimage.getKeys().iterator(); it.hasNext();) {
+ PdfName key = (PdfName)it.next();
+ PdfObject value = pimage.get(key);
+ String s = (String)abrev.get(key);
+ if (s == null)
+ continue;
+ content.append(s);
+ boolean check = true;
+ if (key.equals(PdfName.COLORSPACE) && value.isArray()) {
+ ArrayList ar = ((PdfArray)value).getArrayList();
+ if (ar.size() == 4
+ && PdfName.INDEXED.equals(ar.get(0))
+ && ((PdfObject)ar.get(1)).isName()
+ && ((PdfObject)ar.get(2)).isNumber()
+ && ((PdfObject)ar.get(3)).isString()
+ ) {
+ check = false;
+ }
+
+ }
+ if (check && key.equals(PdfName.COLORSPACE) && !value.isName()) {
+ PdfName cs = writer.getColorspaceName();
+ PageResources prs = getPageResources();
+ prs.addColor(cs, writer.addToBody(value).getIndirectReference());
+ value = cs;
+ }
+ value.toPdf(null, content);
+ content.append('\n');
+ }
+ content.append("ID\n");
+ pimage.writeContent(content);
+ content.append("\nEI\nQ").append_i(separator);
+ }
+ else {
+ PdfName name;
+ PageResources prs = getPageResources();
+ Image maskImage = image.getImageMask();
+ if (maskImage != null) {
+ name = writer.addDirectImageSimple(maskImage);
+ prs.addXObject(name, writer.getImageReference(name));
+ }
+ name = writer.addDirectImageSimple(image);
+ name = prs.addXObject(name, writer.getImageReference(name));
+ content.append(' ').append(name.getBytes()).append(" Do Q").append_i(separator);
+ }
+ }
+ if (image.hasBorders()) {
+ saveState();
+ float w = image.width();
+ float h = image.height();
+ concatCTM(a / w, b / w, c / h, d / h, e, f);
+ rectangle(image);
+ restoreState();
+ }
+ if (image.getLayer() != null)
+ endLayer();
+ Annotation annot = image.annotation();
+ if (annot == null)
+ return;
+ float[] r = new float[unitRect.length];
+ for (int k = 0; k < unitRect.length; k += 2) {
+ r[k] = a * unitRect[k] + c * unitRect[k + 1] + e;
+ r[k + 1] = b * unitRect[k] + d * unitRect[k + 1] + f;
+ }
+ float llx = r[0];
+ float lly = r[1];
+ float urx = llx;
+ float ury = lly;
+ for (int k = 2; k < r.length; k += 2) {
+ llx = Math.min(llx, r[k]);
+ lly = Math.min(lly, r[k + 1]);
+ urx = Math.max(urx, r[k]);
+ ury = Math.max(ury, r[k + 1]);
+ }
+ annot = new Annotation(annot);
+ annot.setDimensions(llx, lly, urx, ury);
+ PdfAnnotation an = PdfDocument.convertAnnotation(writer, annot);
+ if (an == null)
+ return;
+ addAnnotation(an);
+ }
+ catch (Exception ee) {
+ throw new DocumentException(ee);
+ }
+ }
+
+ /**
+ * Makes this <CODE>PdfContentByte</CODE> empty.
+ */
+ public void reset() {
+ content.reset();
+ stateList.clear();
+ state = new GraphicState();
+ }
+
+ /**
+ * Starts the writing of text.
+ */
+ public void beginText() {
+ state.xTLM = 0;
+ state.yTLM = 0;
+ content.append("BT").append_i(separator);
+ }
+
+ /**
+ * Ends the writing of text and makes the current font invalid.
+ */
+ public void endText() {
+ content.append("ET").append_i(separator);
+ }
+
+ /**
+ * Saves the graphic state. <CODE>saveState</CODE> and
+ * <CODE>restoreState</CODE> must be balanced.
+ */
+ public void saveState() {
+ content.append("q").append_i(separator);
+ stateList.add(new GraphicState(state));
+ }
+
+ /**
+ * Restores the graphic state. <CODE>saveState</CODE> and
+ * <CODE>restoreState</CODE> must be balanced.
+ */
+ public void restoreState() {
+ content.append("Q").append_i(separator);
+ int idx = stateList.size() - 1;
+ if (idx < 0)
+ throw new RuntimeException("Unbalanced save/restore state operators.");
+ state = (GraphicState)stateList.get(idx);
+ stateList.remove(idx);
+ }
+
+ /**
+ * Sets the character spacing parameter.
+ *
+ * @param charSpace a parameter
+ */
+ public void setCharacterSpacing(float charSpace) {
+ state.charSpace = charSpace;
+ content.append(charSpace).append(" Tc").append_i(separator);
+ }
+
+ /**
+ * Sets the word spacing parameter.
+ *
+ * @param wordSpace a parameter
+ */
+ public void setWordSpacing(float wordSpace) {
+ state.wordSpace = wordSpace;
+ content.append(wordSpace).append(" Tw").append_i(separator);
+ }
+
+ /**
+ * Sets the horizontal scaling parameter.
+ *
+ * @param scale a parameter
+ */
+ public void setHorizontalScaling(float scale) {
+ state.scale = scale;
+ content.append(scale).append(" Tz").append_i(separator);
+ }
+
+ /**
+ * Sets the text leading parameter.
+ * <P>
+ * The leading parameter is measured in text space units. It specifies the vertical distance
+ * between the baselines of adjacent lines of text.</P>
+ *
+ * @param leading the new leading
+ */
+ public void setLeading(float leading) {
+ state.leading = leading;
+ content.append(leading).append(" TL").append_i(separator);
+ }
+
+ /**
+ * Set the font and the size for the subsequent text writing.
+ *
+ * @param bf the font
+ * @param size the font size in points
+ */
+ public void setFontAndSize(BaseFont bf, float size) {
+ checkWriter();
+ state.size = size;
+ state.fontDetails = writer.addSimple(bf);
+ PageResources prs = getPageResources();
+ PdfName name = state.fontDetails.getFontName();
+ name = prs.addFont(name, state.fontDetails.getIndirectReference());
+ content.append(name.getBytes()).append(' ').append(size).append(" Tf").append_i(separator);
+ }
+
+ /**
+ * Sets the text rendering parameter.
+ *
+ * @param rendering a parameter
+ */
+ public void setTextRenderingMode(int rendering) {
+ content.append(rendering).append(" Tr").append_i(separator);
+ }
+
+ /**
+ * Sets the text rise parameter.
+ * <P>
+ * This allows to write text in subscript or superscript mode.</P>
+ *
+ * @param rise a parameter
+ */
+ public void setTextRise(float rise) {
+ content.append(rise).append(" Ts").append_i(separator);
+ }
+
+ /**
+ * A helper to insert into the content stream the <CODE>text</CODE>
+ * converted to bytes according to the font's encoding.
+ *
+ * @param text the text to write
+ */
+ private void showText2(String text) {
+ if (state.fontDetails == null)
+ throw new NullPointerException("Font and size must be set before writing any text");
+ byte b[] = state.fontDetails.convertToBytes(text);
+ escapeString(b, content);
+ }
+
+ /**
+ * Shows the <CODE>text</CODE>.
+ *
+ * @param text the text to write
+ */
+ public void showText(String text) {
+ showText2(text);
+ content.append("Tj").append_i(separator);
+ }
+
+ /**
+ * Constructs a kern array for a text in a certain font
+ * @param text the text
+ * @param font the font
+ * @return a PdfTextArray
+ */
+ public static PdfTextArray getKernArray(String text, BaseFont font) {
+ PdfTextArray pa = new PdfTextArray();
+ StringBuffer acc = new StringBuffer();
+ int len = text.length() - 1;
+ char c[] = text.toCharArray();
+ if (len >= 0)
+ acc.append(c, 0, 1);
+ for (int k = 0; k < len; ++k) {
+ char c2 = c[k + 1];
+ int kern = font.getKerning(c[k], c2);
+ if (kern == 0) {
+ acc.append(c2);
+ }
+ else {
+ pa.add(acc.toString());
+ acc.setLength(0);
+ acc.append(c, k + 1, 1);
+ pa.add(-kern);
+ }
+ }
+ pa.add(acc.toString());
+ return pa;
+ }
+
+ /**
+ * Shows the <CODE>text</CODE> kerned.
+ *
+ * @param text the text to write
+ */
+ public void showTextKerned(String text) {
+ if (state.fontDetails == null)
+ throw new NullPointerException("Font and size must be set before writing any text");
+ BaseFont bf = state.fontDetails.getBaseFont();
+ if (bf.hasKernPairs())
+ showText(getKernArray(text, bf));
+ else
+ showText(text);
+ }
+
+ /**
+ * Moves to the next line and shows <CODE>text</CODE>.
+ *
+ * @param text the text to write
+ */
+ public void newlineShowText(String text) {
+ state.yTLM -= state.leading;
+ showText2(text);
+ content.append("'").append_i(separator);
+ }
+
+ /**
+ * Moves to the next line and shows text string, using the given values of the character and word spacing parameters.
+ *
+ * @param wordSpacing a parameter
+ * @param charSpacing a parameter
+ * @param text the text to write
+ */
+ public void newlineShowText(float wordSpacing, float charSpacing, String text) {
+ state.yTLM -= state.leading;
+ content.append(wordSpacing).append(' ').append(charSpacing);
+ showText2(text);
+ content.append("\"").append_i(separator);
+
+ // The " operator sets charSpace and wordSpace into graphics state
+ // (cfr PDF reference v1.6, table 5.6)
+ state.charSpace = charSpacing;
+ state.wordSpace = wordSpacing;
+ }
+
+ /**
+ * Changes the text matrix.
+ * <P>
+ * Remark: this operation also initializes the current point position.</P>
+ *
+ * @param a operand 1,1 in the matrix
+ * @param b operand 1,2 in the matrix
+ * @param c operand 2,1 in the matrix
+ * @param d operand 2,2 in the matrix
+ * @param x operand 3,1 in the matrix
+ * @param y operand 3,2 in the matrix
+ */
+ public void setTextMatrix(float a, float b, float c, float d, float x, float y) {
+ state.xTLM = x;
+ state.yTLM = y;
+ content.append(a).append(' ').append(b).append_i(' ')
+ .append(c).append_i(' ').append(d).append_i(' ')
+ .append(x).append_i(' ').append(y).append(" Tm").append_i(separator);
+ }
+
+ /**
+ * Changes the text matrix. The first four parameters are {1,0,0,1}.
+ * <P>
+ * Remark: this operation also initializes the current point position.</P>
+ *
+ * @param x operand 3,1 in the matrix
+ * @param y operand 3,2 in the matrix
+ */
+ public void setTextMatrix(float x, float y) {
+ setTextMatrix(1, 0, 0, 1, x, y);
+ }
+
+ /**
+ * Moves to the start of the next line, offset from the start of the current line.
+ *
+ * @param x x-coordinate of the new current point
+ * @param y y-coordinate of the new current point
+ */
+ public void moveText(float x, float y) {
+ state.xTLM += x;
+ state.yTLM += y;
+ content.append(x).append(' ').append(y).append(" Td").append_i(separator);
+ }
+
+ /**
+ * Moves to the start of the next line, offset from the start of the current line.
+ * <P>
+ * As a side effect, this sets the leading parameter in the text state.</P>
+ *
+ * @param x offset of the new current point
+ * @param y y-coordinate of the new current point
+ */
+ public void moveTextWithLeading(float x, float y) {
+ state.xTLM += x;
+ state.yTLM += y;
+ state.leading = -y;
+ content.append(x).append(' ').append(y).append(" TD").append_i(separator);
+ }
+
+ /**
+ * Moves to the start of the next line.
+ */
+ public void newlineText() {
+ state.yTLM -= state.leading;
+ content.append("T*").append_i(separator);
+ }
+
+ /**
+ * Gets the size of this content.
+ *
+ * @return the size of the content
+ */
+ int size() {
+ return content.size();
+ }
+
+ /**
+ * Escapes a <CODE>byte</CODE> array according to the PDF conventions.
+ *
+ * @param b the <CODE>byte</CODE> array to escape
+ * @return an escaped <CODE>byte</CODE> array
+ */
+ static byte[] escapeString(byte b[]) {
+ ByteBuffer content = new ByteBuffer();
+ escapeString(b, content);
+ return content.toByteArray();
+ }
+
+ /**
+ * Escapes a <CODE>byte</CODE> array according to the PDF conventions.
+ *
+ * @param b the <CODE>byte</CODE> array to escape
+ * @param content the content
+ */
+ static void escapeString(byte b[], ByteBuffer content) {
+ content.append_i('(');
+ for (int k = 0; k < b.length; ++k) {
+ byte c = b[k];
+ switch ((int)c) {
+ case '\r':
+ content.append("\\r");
+ break;
+ case '\n':
+ content.append("\\n");
+ break;
+ case '\t':
+ content.append("\\t");
+ break;
+ case '\b':
+ content.append("\\b");
+ break;
+ case '\f':
+ content.append("\\f");
+ break;
+ case '(':
+ case ')':
+ case '\\':
+ content.append_i('\\').append_i(c);
+ break;
+ default:
+ content.append_i(c);
+ }
+ }
+ content.append(")");
+ }
+
+ /**
+ * Adds an outline to the document.
+ *
+ * @param outline the outline
+ * @deprecated not needed anymore. The outlines are extracted
+ * from the root outline
+ */
+ public void addOutline(PdfOutline outline) {
+ // for compatibility
+ }
+ /**
+ * Adds a named outline to the document.
+ *
+ * @param outline the outline
+ * @param name the name for the local destination
+ */
+ public void addOutline(PdfOutline outline, String name) {
+ checkWriter();
+ pdf.addOutline(outline, name);
+ }
+ /**
+ * Gets the root outline.
+ *
+ * @return the root outline
+ */
+ public PdfOutline getRootOutline() {
+ checkWriter();
+ return pdf.getRootOutline();
+ }
+
+ /**
+ * Computes the width of the given string taking in account
+ * the current values of "Character spacing", "Word Spacing"
+ * and "Horizontal Scaling".
+ * The additional spacing is not computed for the last character
+ * of the string.
+ * @param text the string to get width of
+ * @param kerned the kerning option
+ * @return the width
+ */
+
+ public float getEffectiveStringWidth(String text, boolean kerned) {
+ BaseFont bf = state.fontDetails.getBaseFont();
+
+ float w;
+ if (kerned)
+ w = bf.getWidthPointKerned(text, state.size);
+ else
+ w = bf.getWidthPoint(text, state.size);
+
+ if (state.charSpace != 0.0f && text.length() > 1) {
+ w += state.charSpace * (text.length() -1);
+ }
+
+ int ft = bf.getFontType();
+ if (state.wordSpace != 0.0f && (ft == BaseFont.FONT_TYPE_T1 || ft == BaseFont.FONT_TYPE_TT || ft == BaseFont.FONT_TYPE_T3)) {
+ for (int i = 0; i < (text.length() -1); i++) {
+ if (text.charAt(i) == ' ')
+ w += state.wordSpace;
+ }
+ }
+ if (state.scale != 100.0)
+ w = (w * state.scale) / 100.0f;
+
+ //System.out.println("String width = " + Float.toString(w));
+ return w;
+ }
+
+ /**
+ * Shows text right, left or center aligned with rotation.
+ * @param alignment the alignment can be ALIGN_CENTER, ALIGN_RIGHT or ALIGN_LEFT
+ * @param text the text to show
+ * @param x the x pivot position
+ * @param y the y pivot position
+ * @param rotation the rotation to be applied in degrees counterclockwise
+ */
+ public void showTextAligned(int alignment, String text, float x, float y, float rotation) {
+ showTextAligned(alignment, text, x, y, rotation, false);
+ }
+
+ private void showTextAligned(int alignment, String text, float x, float y, float rotation, boolean kerned) {
+ if (state.fontDetails == null)
+ throw new NullPointerException("Font and size must be set before writing any text");
+ if (rotation == 0) {
+ switch (alignment) {
+ case ALIGN_CENTER:
+ x -= getEffectiveStringWidth(text, kerned) / 2;
+ break;
+ case ALIGN_RIGHT:
+ x -= getEffectiveStringWidth(text, kerned);
+ break;
+ }
+ setTextMatrix(x, y);
+ if (kerned)
+ showTextKerned(text);
+ else
+ showText(text);
+ }
+ else {
+ double alpha = rotation * Math.PI / 180.0;
+ float cos = (float)Math.cos(alpha);
+ float sin = (float)Math.sin(alpha);
+ float len;
+ switch (alignment) {
+ case ALIGN_CENTER:
+ len = getEffectiveStringWidth(text, kerned) / 2;
+ x -= len * cos;
+ y -= len * sin;
+ break;
+ case ALIGN_RIGHT:
+ len = getEffectiveStringWidth(text, kerned);
+ x -= len * cos;
+ y -= len * sin;
+ break;
+ }
+ setTextMatrix(cos, sin, -sin, cos, x, y);
+ if (kerned)
+ showTextKerned(text);
+ else
+ showText(text);
+ setTextMatrix(0f, 0f);
+ }
+ }
+
+ /**
+ * Shows text kerned right, left or center aligned with rotation.
+ * @param alignment the alignment can be ALIGN_CENTER, ALIGN_RIGHT or ALIGN_LEFT
+ * @param text the text to show
+ * @param x the x pivot position
+ * @param y the y pivot position
+ * @param rotation the rotation to be applied in degrees counterclockwise
+ */
+ public void showTextAlignedKerned(int alignment, String text, float x, float y, float rotation) {
+ showTextAligned(alignment, text, x, y, rotation, true);
+ }
+
+ /**
+ * Concatenate a matrix to the current transformation matrix.
+ * @param a an element of the transformation matrix
+ * @param b an element of the transformation matrix
+ * @param c an element of the transformation matrix
+ * @param d an element of the transformation matrix
+ * @param e an element of the transformation matrix
+ * @param f an element of the transformation matrix
+ **/
+ public void concatCTM(float a, float b, float c, float d, float e, float f) {
+ content.append(a).append(' ').append(b).append(' ').append(c).append(' ');
+ content.append(d).append(' ').append(e).append(' ').append(f).append(" cm").append_i(separator);
+ }
+
+ /**
+ * Generates an array of bezier curves to draw an arc.
+ * <P>
+ * (x1, y1) and (x2, y2) are the corners of the enclosing rectangle.
+ * Angles, measured in degrees, start with 0 to the right (the positive X
+ * axis) and increase counter-clockwise. The arc extends from startAng
+ * to startAng+extent. I.e. startAng=0 and extent=180 yields an openside-down
+ * semi-circle.
+ * <P>
+ * The resulting coordinates are of the form float[]{x1,y1,x2,y2,x3,y3, x4,y4}
+ * such that the curve goes from (x1, y1) to (x4, y4) with (x2, y2) and
+ * (x3, y3) as their respective Bezier control points.
+ * <P>
+ * Note: this code was taken from ReportLab (www.reportlab.com), an excelent
+ * PDF generator for Python.
+ *
+ * @param x1 a corner of the enclosing rectangle
+ * @param y1 a corner of the enclosing rectangle
+ * @param x2 a corner of the enclosing rectangle
+ * @param y2 a corner of the enclosing rectangle
+ * @param startAng starting angle in degrees
+ * @param extent angle extent in degrees
+ * @return a list of float[] with the bezier curves
+ */
+ public static ArrayList bezierArc(float x1, float y1, float x2, float y2, float startAng, float extent) {
+ float tmp;
+ if (x1 > x2) {
+ tmp = x1;
+ x1 = x2;
+ x2 = tmp;
+ }
+ if (y2 > y1) {
+ tmp = y1;
+ y1 = y2;
+ y2 = tmp;
+ }
+
+ float fragAngle;
+ int Nfrag;
+ if (Math.abs(extent) <= 90f) {
+ fragAngle = extent;
+ Nfrag = 1;
+ }
+ else {
+ Nfrag = (int)(Math.ceil(Math.abs(extent)/90f));
+ fragAngle = extent / Nfrag;
+ }
+ float x_cen = (x1+x2)/2f;
+ float y_cen = (y1+y2)/2f;
+ float rx = (x2-x1)/2f;
+ float ry = (y2-y1)/2f;
+ float halfAng = (float)(fragAngle * Math.PI / 360.);
+ float kappa = (float)(Math.abs(4. / 3. * (1. - Math.cos(halfAng)) / Math.sin(halfAng)));
+ ArrayList pointList = new ArrayList();
+ for (int i = 0; i < Nfrag; ++i) {
+ float theta0 = (float)((startAng + i*fragAngle) * Math.PI / 180.);
+ float theta1 = (float)((startAng + (i+1)*fragAngle) * Math.PI / 180.);
+ float cos0 = (float)Math.cos(theta0);
+ float cos1 = (float)Math.cos(theta1);
+ float sin0 = (float)Math.sin(theta0);
+ float sin1 = (float)Math.sin(theta1);
+ if (fragAngle > 0f) {
+ pointList.add(new float[]{x_cen + rx * cos0,
+ y_cen - ry * sin0,
+ x_cen + rx * (cos0 - kappa * sin0),
+ y_cen - ry * (sin0 + kappa * cos0),
+ x_cen + rx * (cos1 + kappa * sin1),
+ y_cen - ry * (sin1 - kappa * cos1),
+ x_cen + rx * cos1,
+ y_cen - ry * sin1});
+ }
+ else {
+ pointList.add(new float[]{x_cen + rx * cos0,
+ y_cen - ry * sin0,
+ x_cen + rx * (cos0 + kappa * sin0),
+ y_cen - ry * (sin0 - kappa * cos0),
+ x_cen + rx * (cos1 - kappa * sin1),
+ y_cen - ry * (sin1 + kappa * cos1),
+ x_cen + rx * cos1,
+ y_cen - ry * sin1});
+ }
+ }
+ return pointList;
+ }
+
+ /**
+ * Draws a partial ellipse inscribed within the rectangle x1,y1,x2,y2,
+ * starting at startAng degrees and covering extent degrees. Angles
+ * start with 0 to the right (+x) and increase counter-clockwise.
+ *
+ * @param x1 a corner of the enclosing rectangle
+ * @param y1 a corner of the enclosing rectangle
+ * @param x2 a corner of the enclosing rectangle
+ * @param y2 a corner of the enclosing rectangle
+ * @param startAng starting angle in degrees
+ * @param extent angle extent in degrees
+ */
+ public void arc(float x1, float y1, float x2, float y2, float startAng, float extent) {
+ ArrayList ar = bezierArc(x1, y1, x2, y2, startAng, extent);
+ if (ar.size() == 0)
+ return;
+ float pt[] = (float [])ar.get(0);
+ moveTo(pt[0], pt[1]);
+ for (int k = 0; k < ar.size(); ++k) {
+ pt = (float [])ar.get(k);
+ curveTo(pt[2], pt[3], pt[4], pt[5], pt[6], pt[7]);
+ }
+ }
+
+ /**
+ * Draws an ellipse inscribed within the rectangle x1,y1,x2,y2.
+ *
+ * @param x1 a corner of the enclosing rectangle
+ * @param y1 a corner of the enclosing rectangle
+ * @param x2 a corner of the enclosing rectangle
+ * @param y2 a corner of the enclosing rectangle
+ */
+ public void ellipse(float x1, float y1, float x2, float y2) {
+ arc(x1, y1, x2, y2, 0f, 360f);
+ }
+
+ /**
+ * Create a new colored tiling pattern.
+ *
+ * @param width the width of the pattern
+ * @param height the height of the pattern
+ * @param xstep the desired horizontal spacing between pattern cells.
+ * May be either positive or negative, but not zero.
+ * @param ystep the desired vertical spacing between pattern cells.
+ * May be either positive or negative, but not zero.
+ * @return the <CODE>PdfPatternPainter</CODE> where the pattern will be created
+ */
+ public PdfPatternPainter createPattern(float width, float height, float xstep, float ystep) {
+ checkWriter();
+ if ( xstep == 0.0f || ystep == 0.0f )
+ throw new RuntimeException("XStep or YStep can not be ZERO.");
+ PdfPatternPainter painter = new PdfPatternPainter(writer);
+ painter.setWidth(width);
+ painter.setHeight(height);
+ painter.setXStep(xstep);
+ painter.setYStep(ystep);
+ writer.addSimplePattern(painter);
+ return painter;
+ }
+
+ /**
+ * Create a new colored tiling pattern. Variables xstep and ystep are set to the same values
+ * of width and height.
+ * @param width the width of the pattern
+ * @param height the height of the pattern
+ * @return the <CODE>PdfPatternPainter</CODE> where the pattern will be created
+ */
+ public PdfPatternPainter createPattern(float width, float height) {
+ return createPattern(width, height, width, height);
+ }
+
+ /**
+ * Create a new uncolored tiling pattern.
+ *
+ * @param width the width of the pattern
+ * @param height the height of the pattern
+ * @param xstep the desired horizontal spacing between pattern cells.
+ * May be either positive or negative, but not zero.
+ * @param ystep the desired vertical spacing between pattern cells.
+ * May be either positive or negative, but not zero.
+ * @param color the default color. Can be <CODE>null</CODE>
+ * @return the <CODE>PdfPatternPainter</CODE> where the pattern will be created
+ */
+ public PdfPatternPainter createPattern(float width, float height, float xstep, float ystep, Color color) {
+ checkWriter();
+ if ( xstep == 0.0f || ystep == 0.0f )
+ throw new RuntimeException("XStep or YStep can not be ZERO.");
+ PdfPatternPainter painter = new PdfPatternPainter(writer, color);
+ painter.setWidth(width);
+ painter.setHeight(height);
+ painter.setXStep(xstep);
+ painter.setYStep(ystep);
+ writer.addSimplePattern(painter);
+ return painter;
+ }
+
+ /**
+ * Create a new uncolored tiling pattern.
+ * Variables xstep and ystep are set to the same values
+ * of width and height.
+ * @param width the width of the pattern
+ * @param height the height of the pattern
+ * @param color the default color. Can be <CODE>null</CODE>
+ * @return the <CODE>PdfPatternPainter</CODE> where the pattern will be created
+ */
+ public PdfPatternPainter createPattern(float width, float height, Color color) {
+ return createPattern(width, height, width, height, color);
+ }
+
+ /**
+ * Creates a new template.
+ * <P>
+ * Creates a new template that is nothing more than a form XObject. This template can be included
+ * in this <CODE>PdfContentByte</CODE> or in another template. Templates are only written
+ * to the output when the document is closed permitting things like showing text in the first page
+ * that is only defined in the last page.
+ *
+ * @param width the bounding box width
+ * @param height the bounding box height
+ * @return the templated created
+ */
+ public PdfTemplate createTemplate(float width, float height) {
+ return createTemplate(width, height, null);
+ }
+
+ PdfTemplate createTemplate(float width, float height, PdfName forcedName) {
+ checkWriter();
+ PdfTemplate template = new PdfTemplate(writer);
+ template.setWidth(width);
+ template.setHeight(height);
+ writer.addDirectTemplateSimple(template, forcedName);
+ return template;
+ }
+
+ /**
+ * Creates a new appearance to be used with form fields.
+ *
+ * @param width the bounding box width
+ * @param height the bounding box height
+ * @return the appearance created
+ */
+ public PdfAppearance createAppearance(float width, float height) {
+ return createAppearance(width, height, null);
+ }
+
+ PdfAppearance createAppearance(float width, float height, PdfName forcedName) {
+ checkWriter();
+ PdfAppearance template = new PdfAppearance(writer);
+ template.setWidth(width);
+ template.setHeight(height);
+ writer.addDirectTemplateSimple(template, forcedName);
+ return template;
+ }
+
+ /**
+ * Adds a PostScript XObject to this content.
+ *
+ * @param psobject the object
+ */
+ public void addPSXObject(PdfPSXObject psobject) {
+ checkWriter();
+ PdfName name = writer.addDirectTemplateSimple(psobject, null);
+ PageResources prs = getPageResources();
+ name = prs.addXObject(name, psobject.getIndirectReference());
+ content.append(name.getBytes()).append(" Do").append_i(separator);
+ }
+
+ /**
+ * Adds a template to this content.
+ *
+ * @param template the template
+ * @param a an element of the transformation matrix
+ * @param b an element of the transformation matrix
+ * @param c an element of the transformation matrix
+ * @param d an element of the transformation matrix
+ * @param e an element of the transformation matrix
+ * @param f an element of the transformation matrix
+ */
+ public void addTemplate(PdfTemplate template, float a, float b, float c, float d, float e, float f) {
+ checkWriter();
+ checkNoPattern(template);
+ PdfName name = writer.addDirectTemplateSimple(template, null);
+ PageResources prs = getPageResources();
+ name = prs.addXObject(name, template.getIndirectReference());
+ content.append("q ");
+ content.append(a).append(' ');
+ content.append(b).append(' ');
+ content.append(c).append(' ');
+ content.append(d).append(' ');
+ content.append(e).append(' ');
+ content.append(f).append(" cm ");
+ content.append(name.getBytes()).append(" Do Q").append_i(separator);
+ }
+
+ /**
+ * Adds a template to this content.
+ *
+ * @param template the template
+ * @param x the x location of this template
+ * @param y the y location of this template
+ */
+ public void addTemplate(PdfTemplate template, float x, float y) {
+ addTemplate(template, 1, 0, 0, 1, x, y);
+ }
+
+ /**
+ * Changes the current color for filling paths (device dependent colors!).
+ * <P>
+ * Sets the color space to <B>DeviceCMYK</B> (or the <B>DefaultCMYK</B> color space),
+ * and sets the color to use for filling paths.</P>
+ * <P>
+ * This method is described in the 'Portable Document Format Reference Manual version 1.3'
+ * section 8.5.2.1 (page 331).</P>
+ * <P>
+ * Following the PDF manual, each operand must be a number between 0 (no ink) and
+ * 1 (maximum ink). This method however accepts only integers between 0x00 and 0xFF.</P>
+ *
+ * @param cyan the intensity of cyan
+ * @param magenta the intensity of magenta
+ * @param yellow the intensity of yellow
+ * @param black the intensity of black
+ */
+
+ public void setCMYKColorFill(int cyan, int magenta, int yellow, int black) {
+ content.append((float)(cyan & 0xFF) / 0xFF);
+ content.append(' ');
+ content.append((float)(magenta & 0xFF) / 0xFF);
+ content.append(' ');
+ content.append((float)(yellow & 0xFF) / 0xFF);
+ content.append(' ');
+ content.append((float)(black & 0xFF) / 0xFF);
+ content.append(" k").append_i(separator);
+ }
+ /**
+ * Changes the current color for stroking paths (device dependent colors!).
+ * <P>
+ * Sets the color space to <B>DeviceCMYK</B> (or the <B>DefaultCMYK</B> color space),
+ * and sets the color to use for stroking paths.</P>
+ * <P>
+ * This method is described in the 'Portable Document Format Reference Manual version 1.3'
+ * section 8.5.2.1 (page 331).</P>
+ * Following the PDF manual, each operand must be a number between 0 (miniumum intensity) and
+ * 1 (maximum intensity). This method however accepts only integers between 0x00 and 0xFF.
+ *
+ * @param cyan the intensity of red
+ * @param magenta the intensity of green
+ * @param yellow the intensity of blue
+ * @param black the intensity of black
+ */
+
+ public void setCMYKColorStroke(int cyan, int magenta, int yellow, int black) {
+ content.append((float)(cyan & 0xFF) / 0xFF);
+ content.append(' ');
+ content.append((float)(magenta & 0xFF) / 0xFF);
+ content.append(' ');
+ content.append((float)(yellow & 0xFF) / 0xFF);
+ content.append(' ');
+ content.append((float)(black & 0xFF) / 0xFF);
+ content.append(" K").append_i(separator);
+ }
+
+ /**
+ * Changes the current color for filling paths (device dependent colors!).
+ * <P>
+ * Sets the color space to <B>DeviceRGB</B> (or the <B>DefaultRGB</B> color space),
+ * and sets the color to use for filling paths.</P>
+ * <P>
+ * This method is described in the 'Portable Document Format Reference Manual version 1.3'
+ * section 8.5.2.1 (page 331).</P>
+ * <P>
+ * Following the PDF manual, each operand must be a number between 0 (miniumum intensity) and
+ * 1 (maximum intensity). This method however accepts only integers between 0x00 and 0xFF.</P>
+ *
+ * @param red the intensity of red
+ * @param green the intensity of green
+ * @param blue the intensity of blue
+ */
+
+ public void setRGBColorFill(int red, int green, int blue) {
+ HelperRGB((float)(red & 0xFF) / 0xFF, (float)(green & 0xFF) / 0xFF, (float)(blue & 0xFF) / 0xFF);
+ content.append(" rg").append_i(separator);
+ }
+
+ /**
+ * Changes the current color for stroking paths (device dependent colors!).
+ * <P>
+ * Sets the color space to <B>DeviceRGB</B> (or the <B>DefaultRGB</B> color space),
+ * and sets the color to use for stroking paths.</P>
+ * <P>
+ * This method is described in the 'Portable Document Format Reference Manual version 1.3'
+ * section 8.5.2.1 (page 331).</P>
+ * Following the PDF manual, each operand must be a number between 0 (miniumum intensity) and
+ * 1 (maximum intensity). This method however accepts only integers between 0x00 and 0xFF.
+ *
+ * @param red the intensity of red
+ * @param green the intensity of green
+ * @param blue the intensity of blue
+ */
+
+ public void setRGBColorStroke(int red, int green, int blue) {
+ HelperRGB((float)(red & 0xFF) / 0xFF, (float)(green & 0xFF) / 0xFF, (float)(blue & 0xFF) / 0xFF);
+ content.append(" RG").append_i(separator);
+ }
+
+ /** Sets the stroke color. <CODE>color</CODE> can be an
+ * <CODE>ExtendedColor</CODE>.
+ * @param color the color
+ */
+ public void setColorStroke(Color color) {
+ PdfWriter.checkPDFXConformance(writer, PdfWriter.PDFXKEY_COLOR, color);
+ int type = ExtendedColor.getType(color);
+ switch (type) {
+ case ExtendedColor.TYPE_GRAY: {
+ setGrayStroke(((GrayColor)color).getGray());
+ break;
+ }
+ case ExtendedColor.TYPE_CMYK: {
+ CMYKColor cmyk = (CMYKColor)color;
+ setCMYKColorStrokeF(cmyk.getCyan(), cmyk.getMagenta(), cmyk.getYellow(), cmyk.getBlack());
+ break;
+ }
+ case ExtendedColor.TYPE_SEPARATION: {
+ SpotColor spot = (SpotColor)color;
+ setColorStroke(spot.getPdfSpotColor(), spot.getTint());
+ break;
+ }
+ case ExtendedColor.TYPE_PATTERN: {
+ PatternColor pat = (PatternColor) color;
+ setPatternStroke(pat.getPainter());
+ break;
+ }
+ case ExtendedColor.TYPE_SHADING: {
+ ShadingColor shading = (ShadingColor) color;
+ setShadingStroke(shading.getPdfShadingPattern());
+ break;
+ }
+ default:
+ setRGBColorStroke(color.getRed(), color.getGreen(), color.getBlue());
+ }
+ }
+
+ /** Sets the fill color. <CODE>color</CODE> can be an
+ * <CODE>ExtendedColor</CODE>.
+ * @param color the color
+ */
+ public void setColorFill(Color color) {
+ PdfWriter.checkPDFXConformance(writer, PdfWriter.PDFXKEY_COLOR, color);
+ int type = ExtendedColor.getType(color);
+ switch (type) {
+ case ExtendedColor.TYPE_GRAY: {
+ setGrayFill(((GrayColor)color).getGray());
+ break;
+ }
+ case ExtendedColor.TYPE_CMYK: {
+ CMYKColor cmyk = (CMYKColor)color;
+ setCMYKColorFillF(cmyk.getCyan(), cmyk.getMagenta(), cmyk.getYellow(), cmyk.getBlack());
+ break;
+ }
+ case ExtendedColor.TYPE_SEPARATION: {
+ SpotColor spot = (SpotColor)color;
+ setColorFill(spot.getPdfSpotColor(), spot.getTint());
+ break;
+ }
+ case ExtendedColor.TYPE_PATTERN: {
+ PatternColor pat = (PatternColor) color;
+ setPatternFill(pat.getPainter());
+ break;
+ }
+ case ExtendedColor.TYPE_SHADING: {
+ ShadingColor shading = (ShadingColor) color;
+ setShadingFill(shading.getPdfShadingPattern());
+ break;
+ }
+ default:
+ setRGBColorFill(color.getRed(), color.getGreen(), color.getBlue());
+ }
+ }
+
+ /** Sets the fill color to a spot color.
+ * @param sp the spot color
+ * @param tint the tint for the spot color. 0 is no color and 1
+ * is 100% color
+ */
+ public void setColorFill(PdfSpotColor sp, float tint) {
+ checkWriter();
+ state.colorDetails = writer.addSimple(sp);
+ PageResources prs = getPageResources();
+ PdfName name = state.colorDetails.getColorName();
+ name = prs.addColor(name, state.colorDetails.getIndirectReference());
+ content.append(name.getBytes()).append(" cs ").append(tint).append(" scn").append_i(separator);
+ }
+
+ /** Sets the stroke color to a spot color.
+ * @param sp the spot color
+ * @param tint the tint for the spot color. 0 is no color and 1
+ * is 100% color
+ */
+ public void setColorStroke(PdfSpotColor sp, float tint) {
+ checkWriter();
+ state.colorDetails = writer.addSimple(sp);
+ PageResources prs = getPageResources();
+ PdfName name = state.colorDetails.getColorName();
+ name = prs.addColor(name, state.colorDetails.getIndirectReference());
+ content.append(name.getBytes()).append(" CS ").append(tint).append(" SCN").append_i(separator);
+ }
+
+ /** Sets the fill color to a pattern. The pattern can be
+ * colored or uncolored.
+ * @param p the pattern
+ */
+ public void setPatternFill(PdfPatternPainter p) {
+ if (p.isStencil()) {
+ setPatternFill(p, p.getDefaultColor());
+ return;
+ }
+ checkWriter();
+ PageResources prs = getPageResources();
+ PdfName name = writer.addSimplePattern(p);
+ name = prs.addPattern(name, p.getIndirectReference());
+ content.append(PdfName.PATTERN.getBytes()).append(" cs ").append(name.getBytes()).append(" scn").append_i(separator);
+ }
+
+ /** Outputs the color values to the content.
+ * @param color The color
+ * @param tint the tint if it is a spot color, ignored otherwise
+ */
+ void outputColorNumbers(Color color, float tint) {
+ PdfWriter.checkPDFXConformance(writer, PdfWriter.PDFXKEY_COLOR, color);
+ int type = ExtendedColor.getType(color);
+ switch (type) {
+ case ExtendedColor.TYPE_RGB:
+ content.append((float)(color.getRed()) / 0xFF);
+ content.append(' ');
+ content.append((float)(color.getGreen()) / 0xFF);
+ content.append(' ');
+ content.append((float)(color.getBlue()) / 0xFF);
+ break;
+ case ExtendedColor.TYPE_GRAY:
+ content.append(((GrayColor)color).getGray());
+ break;
+ case ExtendedColor.TYPE_CMYK: {
+ CMYKColor cmyk = (CMYKColor)color;
+ content.append(cmyk.getCyan()).append(' ').append(cmyk.getMagenta());
+ content.append(' ').append(cmyk.getYellow()).append(' ').append(cmyk.getBlack());
+ break;
+ }
+ case ExtendedColor.TYPE_SEPARATION:
+ content.append(tint);
+ break;
+ default:
+ throw new RuntimeException("Invalid color type.");
+ }
+ }
+
+ /** Sets the fill color to an uncolored pattern.
+ * @param p the pattern
+ * @param color the color of the pattern
+ */
+ public void setPatternFill(PdfPatternPainter p, Color color) {
+ if (ExtendedColor.getType(color) == ExtendedColor.TYPE_SEPARATION)
+ setPatternFill(p, color, ((SpotColor)color).getTint());
+ else
+ setPatternFill(p, color, 0);
+ }
+
+ /** Sets the fill color to an uncolored pattern.
+ * @param p the pattern
+ * @param color the color of the pattern
+ * @param tint the tint if the color is a spot color, ignored otherwise
+ */
+ public void setPatternFill(PdfPatternPainter p, Color color, float tint) {
+ checkWriter();
+ if (!p.isStencil())
+ throw new RuntimeException("An uncolored pattern was expected.");
+ PageResources prs = getPageResources();
+ PdfName name = writer.addSimplePattern(p);
+ name = prs.addPattern(name, p.getIndirectReference());
+ ColorDetails csDetail = writer.addSimplePatternColorspace(color);
+ PdfName cName = prs.addColor(csDetail.getColorName(), csDetail.getIndirectReference());
+ content.append(cName.getBytes()).append(" cs").append_i(separator);
+ outputColorNumbers(color, tint);
+ content.append(' ').append(name.getBytes()).append(" scn").append_i(separator);
+ }
+
+ /** Sets the stroke color to an uncolored pattern.
+ * @param p the pattern
+ * @param color the color of the pattern
+ */
+ public void setPatternStroke(PdfPatternPainter p, Color color) {
+ if (ExtendedColor.getType(color) == ExtendedColor.TYPE_SEPARATION)
+ setPatternStroke(p, color, ((SpotColor)color).getTint());
+ else
+ setPatternStroke(p, color, 0);
+ }
+
+ /** Sets the stroke color to an uncolored pattern.
+ * @param p the pattern
+ * @param color the color of the pattern
+ * @param tint the tint if the color is a spot color, ignored otherwise
+ */
+ public void setPatternStroke(PdfPatternPainter p, Color color, float tint) {
+ checkWriter();
+ if (!p.isStencil())
+ throw new RuntimeException("An uncolored pattern was expected.");
+ PageResources prs = getPageResources();
+ PdfName name = writer.addSimplePattern(p);
+ name = prs.addPattern(name, p.getIndirectReference());
+ ColorDetails csDetail = writer.addSimplePatternColorspace(color);
+ PdfName cName = prs.addColor(csDetail.getColorName(), csDetail.getIndirectReference());
+ content.append(cName.getBytes()).append(" CS").append_i(separator);
+ outputColorNumbers(color, tint);
+ content.append(' ').append(name.getBytes()).append(" SCN").append_i(separator);
+ }
+
+ /** Sets the stroke color to a pattern. The pattern can be
+ * colored or uncolored.
+ * @param p the pattern
+ */
+ public void setPatternStroke(PdfPatternPainter p) {
+ if (p.isStencil()) {
+ setPatternStroke(p, p.getDefaultColor());
+ return;
+ }
+ checkWriter();
+ PageResources prs = getPageResources();
+ PdfName name = writer.addSimplePattern(p);
+ name = prs.addPattern(name, p.getIndirectReference());
+ content.append(PdfName.PATTERN.getBytes()).append(" CS ").append(name.getBytes()).append(" SCN").append_i(separator);
+ }
+
+ /**
+ * Paints using a shading object.
+ * @param shading the shading object
+ */
+ public void paintShading(PdfShading shading) {
+ writer.addSimpleShading(shading);
+ PageResources prs = getPageResources();
+ PdfName name = prs.addShading(shading.getShadingName(), shading.getShadingReference());
+ content.append(name.getBytes()).append(" sh").append_i(separator);
+ ColorDetails details = shading.getColorDetails();
+ if (details != null)
+ prs.addColor(details.getColorName(), details.getIndirectReference());
+ }
+
+ /**
+ * Paints using a shading pattern.
+ * @param shading the shading pattern
+ */
+ public void paintShading(PdfShadingPattern shading) {
+ paintShading(shading.getShading());
+ }
+
+ /**
+ * Sets the shading fill pattern.
+ * @param shading the shading pattern
+ */
+ public void setShadingFill(PdfShadingPattern shading) {
+ writer.addSimpleShadingPattern(shading);
+ PageResources prs = getPageResources();
+ PdfName name = prs.addPattern(shading.getPatternName(), shading.getPatternReference());
+ content.append(PdfName.PATTERN.getBytes()).append(" cs ").append(name.getBytes()).append(" scn").append_i(separator);
+ ColorDetails details = shading.getColorDetails();
+ if (details != null)
+ prs.addColor(details.getColorName(), details.getIndirectReference());
+ }
+
+ /**
+ * Sets the shading stroke pattern
+ * @param shading the shading pattern
+ */
+ public void setShadingStroke(PdfShadingPattern shading) {
+ writer.addSimpleShadingPattern(shading);
+ PageResources prs = getPageResources();
+ PdfName name = prs.addPattern(shading.getPatternName(), shading.getPatternReference());
+ content.append(PdfName.PATTERN.getBytes()).append(" CS ").append(name.getBytes()).append(" SCN").append_i(separator);
+ ColorDetails details = shading.getColorDetails();
+ if (details != null)
+ prs.addColor(details.getColorName(), details.getIndirectReference());
+ }
+
+ /** Check if we have a valid PdfWriter.
+ *
+ */
+ protected void checkWriter() {
+ if (writer == null)
+ throw new NullPointerException("The writer in PdfContentByte is null.");
+ }
+
+ /**
+ * Show an array of text.
+ * @param text array of text
+ */
+ public void showText(PdfTextArray text) {
+ if (state.fontDetails == null)
+ throw new NullPointerException("Font and size must be set before writing any text");
+ content.append("[");
+ ArrayList arrayList = text.getArrayList();
+ boolean lastWasNumber = false;
+ for (int k = 0; k < arrayList.size(); ++k) {
+ Object obj = arrayList.get(k);
+ if (obj instanceof String) {
+ showText2((String)obj);
+ lastWasNumber = false;
+ }
+ else {
+ if (lastWasNumber)
+ content.append(' ');
+ else
+ lastWasNumber = true;
+ content.append(((Float)obj).floatValue());
+ }
+ }
+ content.append("]TJ").append_i(separator);
+ }
+
+ /**
+ * Gets the <CODE>PdfWriter</CODE> in use by this object.
+ * @return the <CODE>PdfWriter</CODE> in use by this object
+ */
+ public PdfWriter getPdfWriter() {
+ return writer;
+ }
+
+ /**
+ * Gets the <CODE>PdfDocument</CODE> in use by this object.
+ * @return the <CODE>PdfDocument</CODE> in use by this object
+ */
+ public PdfDocument getPdfDocument() {
+ return pdf;
+ }
+
+ /**
+ * Implements a link to other part of the document. The jump will
+ * be made to a local destination with the same name, that must exist.
+ * @param name the name for this link
+ * @param llx the lower left x corner of the activation area
+ * @param lly the lower left y corner of the activation area
+ * @param urx the upper right x corner of the activation area
+ * @param ury the upper right y corner of the activation area
+ */
+ public void localGoto(String name, float llx, float lly, float urx, float ury) {
+ pdf.localGoto(name, llx, lly, urx, ury);
+ }
+
+ /**
+ * The local destination to where a local goto with the same
+ * name will jump.
+ * @param name the name of this local destination
+ * @param destination the <CODE>PdfDestination</CODE> with the jump coordinates
+ * @return <CODE>true</CODE> if the local destination was added,
+ * <CODE>false</CODE> if a local destination with the same name
+ * already exists
+ */
+ public boolean localDestination(String name, PdfDestination destination) {
+ return pdf.localDestination(name, destination);
+ }
+
+ /**
+ * Gets a duplicate of this <CODE>PdfContentByte</CODE>. All
+ * the members are copied by reference but the buffer stays different.
+ *
+ * @return a copy of this <CODE>PdfContentByte</CODE>
+ */
+ public PdfContentByte getDuplicate() {
+ return new PdfContentByte(writer);
+ }
+
+ /**
+ * Implements a link to another document.
+ * @param filename the filename for the remote document
+ * @param name the name to jump to
+ * @param llx the lower left x corner of the activation area
+ * @param lly the lower left y corner of the activation area
+ * @param urx the upper right x corner of the activation area
+ * @param ury the upper right y corner of the activation area
+ */
+ public void remoteGoto(String filename, String name, float llx, float lly, float urx, float ury) {
+ pdf.remoteGoto(filename, name, llx, lly, urx, ury);
+ }
+
+ /**
+ * Implements a link to another document.
+ * @param filename the filename for the remote document
+ * @param page the page to jump to
+ * @param llx the lower left x corner of the activation area
+ * @param lly the lower left y corner of the activation area
+ * @param urx the upper right x corner of the activation area
+ * @param ury the upper right y corner of the activation area
+ */
+ public void remoteGoto(String filename, int page, float llx, float lly, float urx, float ury) {
+ pdf.remoteGoto(filename, page, llx, lly, urx, ury);
+ }
+ /**
+ * Adds a round rectangle to the current path.
+ *
+ * @param x x-coordinate of the starting point
+ * @param y y-coordinate of the starting point
+ * @param w width
+ * @param h height
+ * @param r radius of the arc corner
+ */
+ public void roundRectangle(float x, float y, float w, float h, float r) {
+ if (w < 0) {
+ x += w;
+ w = -w;
+ }
+ if (h < 0) {
+ y += h;
+ h = -h;
+ }
+ if (r < 0)
+ r = -r;
+ float b = 0.4477f;
+ moveTo(x + r, y);
+ lineTo(x + w - r, y);
+ curveTo(x + w - r * b, y, x + w, y + r * b, x + w, y + r);
+ lineTo(x + w, y + h - r);
+ curveTo(x + w, y + h - r * b, x + w - r * b, y + h, x + w - r, y + h);
+ lineTo(x + r, y + h);
+ curveTo(x + r * b, y + h, x, y + h - r * b, x, y + h - r);
+ lineTo(x, y + r);
+ curveTo(x, y + r * b, x + r * b, y, x + r, y);
+ }
+
+ /** Implements an action in an area.
+ * @param action the <CODE>PdfAction</CODE>
+ * @param llx the lower left x corner of the activation area
+ * @param lly the lower left y corner of the activation area
+ * @param urx the upper right x corner of the activation area
+ * @param ury the upper right y corner of the activation area
+ */
+ public void setAction(PdfAction action, float llx, float lly, float urx, float ury) {
+ pdf.setAction(action, llx, lly, urx, ury);
+ }
+
+ /** Outputs a <CODE>String</CODE> directly to the content.
+ * @param s the <CODE>String</CODE>
+ */
+ public void setLiteral(String s) {
+ content.append(s);
+ }
+
+ /** Outputs a <CODE>char</CODE> directly to the content.
+ * @param c the <CODE>char</CODE>
+ */
+ public void setLiteral(char c) {
+ content.append(c);
+ }
+
+ /** Outputs a <CODE>float</CODE> directly to the content.
+ * @param n the <CODE>float</CODE>
+ */
+ public void setLiteral(float n) {
+ content.append(n);
+ }
+
+ /** Throws an error if it is a pattern.
+ * @param t the object to check
+ */
+ void checkNoPattern(PdfTemplate t) {
+ if (t.getType() == PdfTemplate.TYPE_PATTERN)
+ throw new RuntimeException("Invalid use of a pattern. A template was expected.");
+ }
+
+ /**
+ * Draws a TextField.
+ * @param llx
+ * @param lly
+ * @param urx
+ * @param ury
+ * @param on
+ */
+ public void drawRadioField(float llx, float lly, float urx, float ury, boolean on) {
+ if (llx > urx) { float x = llx; llx = urx; urx = x; }
+ if (lly > ury) { float y = lly; lly = ury; ury = y; }
+ // silver circle
+ setLineWidth(1);
+ setLineCap(1);
+ setColorStroke(new Color(0xC0, 0xC0, 0xC0));
+ arc(llx + 1f, lly + 1f, urx - 1f, ury - 1f, 0f, 360f);
+ stroke();
+ // gray circle-segment
+ setLineWidth(1);
+ setLineCap(1);
+ setColorStroke(new Color(0xA0, 0xA0, 0xA0));
+ arc(llx + 0.5f, lly + 0.5f, urx - 0.5f, ury - 0.5f, 45, 180);
+ stroke();
+ // black circle-segment
+ setLineWidth(1);
+ setLineCap(1);
+ setColorStroke(new Color(0x00, 0x00, 0x00));
+ arc(llx + 1.5f, lly + 1.5f, urx - 1.5f, ury - 1.5f, 45, 180);
+ stroke();
+ if (on) {
+ // gray circle
+ setLineWidth(1);
+ setLineCap(1);
+ setColorFill(new Color(0x00, 0x00, 0x00));
+ arc(llx + 4f, lly + 4f, urx - 4f, ury - 4f, 0, 360);
+ fill();
+ }
+ }
+
+ /**
+ * Draws a TextField.
+ * @param llx
+ * @param lly
+ * @param urx
+ * @param ury
+ */
+ public void drawTextField(float llx, float lly, float urx, float ury) {
+ if (llx > urx) { float x = llx; llx = urx; urx = x; }
+ if (lly > ury) { float y = lly; lly = ury; ury = y; }
+ // silver rectangle not filled
+ setColorStroke(new Color(0xC0, 0xC0, 0xC0));
+ setLineWidth(1);
+ setLineCap(0);
+ rectangle(llx, lly, urx - llx, ury - lly);
+ stroke();
+ // white rectangle filled
+ setLineWidth(1);
+ setLineCap(0);
+ setColorFill(new Color(0xFF, 0xFF, 0xFF));
+ rectangle(llx + 0.5f, lly + 0.5f, urx - llx - 1f, ury -lly - 1f);
+ fill();
+ // silver lines
+ setColorStroke(new Color(0xC0, 0xC0, 0xC0));
+ setLineWidth(1);
+ setLineCap(0);
+ moveTo(llx + 1f, lly + 1.5f);
+ lineTo(urx - 1.5f, lly + 1.5f);
+ lineTo(urx - 1.5f, ury - 1f);
+ stroke();
+ // gray lines
+ setColorStroke(new Color(0xA0, 0xA0, 0xA0));
+ setLineWidth(1);
+ setLineCap(0);
+ moveTo(llx + 1f, lly + 1);
+ lineTo(llx + 1f, ury - 1f);
+ lineTo(urx - 1f, ury - 1f);
+ stroke();
+ // black lines
+ setColorStroke(new Color(0x00, 0x00, 0x00));
+ setLineWidth(1);
+ setLineCap(0);
+ moveTo(llx + 2f, lly + 2f);
+ lineTo(llx + 2f, ury - 2f);
+ lineTo(urx - 2f, ury - 2f);
+ stroke();
+ }
+
+ /**
+ * Draws a button.
+ * @param llx
+ * @param lly
+ * @param urx
+ * @param ury
+ * @param text
+ * @param bf
+ * @param size
+ */
+ public void drawButton(float llx, float lly, float urx, float ury, String text, BaseFont bf, float size) {
+ if (llx > urx) { float x = llx; llx = urx; urx = x; }
+ if (lly > ury) { float y = lly; lly = ury; ury = y; }
+ // black rectangle not filled
+ setColorStroke(new Color(0x00, 0x00, 0x00));
+ setLineWidth(1);
+ setLineCap(0);
+ rectangle(llx, lly, urx - llx, ury - lly);
+ stroke();
+ // silver rectangle filled
+ setLineWidth(1);
+ setLineCap(0);
+ setColorFill(new Color(0xC0, 0xC0, 0xC0));
+ rectangle(llx + 0.5f, lly + 0.5f, urx - llx - 1f, ury -lly - 1f);
+ fill();
+ // white lines
+ setColorStroke(new Color(0xFF, 0xFF, 0xFF));
+ setLineWidth(1);
+ setLineCap(0);
+ moveTo(llx + 1f, lly + 1f);
+ lineTo(llx + 1f, ury - 1f);
+ lineTo(urx - 1f, ury - 1f);
+ stroke();
+ // dark grey lines
+ setColorStroke(new Color(0xA0, 0xA0, 0xA0));
+ setLineWidth(1);
+ setLineCap(0);
+ moveTo(llx + 1f, lly + 1f);
+ lineTo(urx - 1f, lly + 1f);
+ lineTo(urx - 1f, ury - 1f);
+ stroke();
+ // text
+ resetRGBColorFill();
+ beginText();
+ setFontAndSize(bf, size);
+ showTextAligned(PdfContentByte.ALIGN_CENTER, text, llx + (urx - llx) / 2, lly + (ury - lly - size) / 2, 0);
+ endText();
+ }
+
+ /** Gets a <CODE>Graphics2D</CODE> to write on. The graphics
+ * are translated to PDF commands as shapes. No PDF fonts will appear.
+ * @param width the width of the panel
+ * @param height the height of the panel
+ * @return a <CODE>Graphics2D</CODE>
+ */
+ public java.awt.Graphics2D createGraphicsShapes(float width, float height) {
+ return new PdfGraphics2D(this, width, height, null, true, false, 0);
+ }
+
+ /** Gets a <CODE>Graphics2D</CODE> to print on. The graphics
+ * are translated to PDF commands as shapes. No PDF fonts will appear.
+ * @param width the width of the panel
+ * @param height the height of the panel
+ * @param printerJob a printer job
+ * @return a <CODE>Graphics2D</CODE>
+ */
+ public java.awt.Graphics2D createPrinterGraphicsShapes(float width, float height, PrinterJob printerJob) {
+ return new PdfPrinterGraphics2D(this, width, height, null, true, false, 0, printerJob);
+ }
+
+ /** Gets a <CODE>Graphics2D</CODE> to write on. The graphics
+ * are translated to PDF commands.
+ * @param width the width of the panel
+ * @param height the height of the panel
+ * @return a <CODE>Graphics2D</CODE>
+ */
+ public java.awt.Graphics2D createGraphics(float width, float height) {
+ return new PdfGraphics2D(this, width, height, null, false, false, 0);
+ }
+
+ /** Gets a <CODE>Graphics2D</CODE> to print on. The graphics
+ * are translated to PDF commands.
+ * @param width the width of the panel
+ * @param height the height of the panel
+ * @param printerJob
+ * @return a <CODE>Graphics2D</CODE>
+ */
+ public java.awt.Graphics2D createPrinterGraphics(float width, float height, PrinterJob printerJob) {
+ return new PdfPrinterGraphics2D(this, width, height, null, false, false, 0, printerJob);
+ }
+
+ /** Gets a <CODE>Graphics2D</CODE> to write on. The graphics
+ * are translated to PDF commands.
+ * @param width the width of the panel
+ * @param height the height of the panel
+ * @param convertImagesToJPEG
+ * @param quality
+ * @return a <CODE>Graphics2D</CODE>
+ */
+ public java.awt.Graphics2D createGraphics(float width, float height, boolean convertImagesToJPEG, float quality) {
+ return new PdfGraphics2D(this, width, height, null, false, convertImagesToJPEG, quality);
+ }
+
+ /** Gets a <CODE>Graphics2D</CODE> to print on. The graphics
+ * are translated to PDF commands.
+ * @param width the width of the panel
+ * @param height the height of the panel
+ * @param convertImagesToJPEG
+ * @param quality
+ * @param printerJob
+ * @return a <CODE>Graphics2D</CODE>
+ */
+ public java.awt.Graphics2D createPrinterGraphics(float width, float height, boolean convertImagesToJPEG, float quality, PrinterJob printerJob) {
+ return new PdfPrinterGraphics2D(this, width, height, null, false, convertImagesToJPEG, quality, printerJob);
+ }
+
+ /** Gets a <CODE>Graphics2D</CODE> to print on. The graphics
+ * are translated to PDF commands.
+ * @param width
+ * @param height
+ * @param convertImagesToJPEG
+ * @param quality
+ * @return A Graphics2D object
+ */
+ public java.awt.Graphics2D createGraphicsShapes(float width, float height, boolean convertImagesToJPEG, float quality) {
+ return new PdfGraphics2D(this, width, height, null, true, convertImagesToJPEG, quality);
+ }
+
+ /** Gets a <CODE>Graphics2D</CODE> to print on. The graphics
+ * are translated to PDF commands.
+ * @param width
+ * @param height
+ * @param convertImagesToJPEG
+ * @param quality
+ * @param printerJob
+ * @return a Graphics2D object
+ */
+ public java.awt.Graphics2D createPrinterGraphicsShapes(float width, float height, boolean convertImagesToJPEG, float quality, PrinterJob printerJob) {
+ return new PdfPrinterGraphics2D(this, width, height, null, true, convertImagesToJPEG, quality, printerJob);
+ }
+
+ /** Gets a <CODE>Graphics2D</CODE> to write on. The graphics
+ * are translated to PDF commands.
+ * @param width the width of the panel
+ * @param height the height of the panel
+ * @param fontMapper the mapping from awt fonts to <CODE>BaseFont</CODE>
+ * @return a <CODE>Graphics2D</CODE>
+ */
+ public java.awt.Graphics2D createGraphics(float width, float height, FontMapper fontMapper) {
+ return new PdfGraphics2D(this, width, height, fontMapper, false, false, 0);
+ }
+
+ /** Gets a <CODE>Graphics2D</CODE> to print on. The graphics
+ * are translated to PDF commands.
+ * @param width the width of the panel
+ * @param height the height of the panel
+ * @param fontMapper the mapping from awt fonts to <CODE>BaseFont</CODE>
+ * @param printerJob a printer job
+ * @return a <CODE>Graphics2D</CODE>
+ */
+ public java.awt.Graphics2D createPrinterGraphics(float width, float height, FontMapper fontMapper, PrinterJob printerJob) {
+ return new PdfPrinterGraphics2D(this, width, height, fontMapper, false, false, 0, printerJob);
+ }
+
+ /** Gets a <CODE>Graphics2D</CODE> to write on. The graphics
+ * are translated to PDF commands.
+ * @param width the width of the panel
+ * @param height the height of the panel
+ * @param fontMapper the mapping from awt fonts to <CODE>BaseFont</CODE>
+ * @param convertImagesToJPEG converts awt images to jpeg before inserting in pdf
+ * @param quality the quality of the jpeg
+ * @return a <CODE>Graphics2D</CODE>
+ */
+ public java.awt.Graphics2D createGraphics(float width, float height, FontMapper fontMapper, boolean convertImagesToJPEG, float quality) {
+ return new PdfGraphics2D(this, width, height, fontMapper, false, convertImagesToJPEG, quality);
+ }
+
+ /** Gets a <CODE>Graphics2D</CODE> to print on. The graphics
+ * are translated to PDF commands.
+ * @param width the width of the panel
+ * @param height the height of the panel
+ * @param fontMapper the mapping from awt fonts to <CODE>BaseFont</CODE>
+ * @param convertImagesToJPEG converts awt images to jpeg before inserting in pdf
+ * @param quality the quality of the jpeg
+ * @param printerJob a printer job
+ * @return a <CODE>Graphics2D</CODE>
+ */
+ public java.awt.Graphics2D createPrinterGraphics(float width, float height, FontMapper fontMapper, boolean convertImagesToJPEG, float quality, PrinterJob printerJob) {
+ return new PdfPrinterGraphics2D(this, width, height, fontMapper, false, convertImagesToJPEG, quality, printerJob);
+ }
+
+ PageResources getPageResources() {
+ return pdf.getPageResources();
+ }
+
+ /** Sets the graphic state
+ * @param gstate the graphic state
+ */
+ public void setGState(PdfGState gstate) {
+ PdfObject obj[] = writer.addSimpleExtGState(gstate);
+ PageResources prs = getPageResources();
+ PdfName name = prs.addExtGState((PdfName)obj[0], (PdfIndirectReference)obj[1]);
+ content.append(name.getBytes()).append(" gs").append_i(separator);
+ }
+
+ /**
+ * Begins a graphic block whose visibility is controled by the <CODE>layer</CODE>.
+ * Blocks can be nested. Each block must be terminated by an {@link #endLayer()}.<p>
+ * Note that nested layers with {@link PdfLayer#addChild(PdfLayer)} only require a single
+ * call to this method and a single call to {@link #endLayer()}; all the nesting control
+ * is built in.
+ * @param layer the layer
+ */
+ public void beginLayer(PdfOCG layer) {
+ if ((layer instanceof PdfLayer) && ((PdfLayer)layer).getTitle() != null)
+ throw new IllegalArgumentException("A title is not a layer");
+ if (layerDepth == null)
+ layerDepth = new ArrayList();
+ if (layer instanceof PdfLayerMembership) {
+ layerDepth.add(new Integer(1));
+ beginLayer2(layer);
+ return;
+ }
+ int n = 0;
+ PdfLayer la = (PdfLayer)layer;
+ while (la != null) {
+ if (la.getTitle() == null) {
+ beginLayer2(la);
+ ++n;
+ }
+ la = la.getParent();
+ }
+ layerDepth.add(new Integer(n));
+ }
+
+ private void beginLayer2(PdfOCG layer) {
+ PdfName name = (PdfName)writer.addSimpleProperty(layer, layer.getRef())[0];
+ PageResources prs = getPageResources();
+ name = prs.addProperty(name, layer.getRef());
+ content.append("/OC ").append(name.getBytes()).append(" BDC").append_i(separator);
+ }
+
+ /**
+ * Ends a layer controled graphic block. It will end the most recent open block.
+ */
+ public void endLayer() {
+ int n = 1;
+ if (layerDepth != null && layerDepth.size() > 0) {
+ n = ((Integer)layerDepth.get(layerDepth.size() - 1)).intValue();
+ layerDepth.remove(layerDepth.size() - 1);
+ }
+ while (n-- > 0)
+ content.append("EMC").append_i(separator);
+ }
+
+ /** Concatenates a transformation to the current transformation
+ * matrix.
+ * @param af the transformation
+ */
+ public void transform(AffineTransform af) {
+ double arr[] = new double[6];
+ af.getMatrix(arr);
+ content.append(arr[0]).append(' ').append(arr[1]).append(' ').append(arr[2]).append(' ');
+ content.append(arr[3]).append(' ').append(arr[4]).append(' ').append(arr[5]).append(" cm").append_i(separator);
+ }
+
+ void addAnnotation(PdfAnnotation annot) {
+ writer.addAnnotation(annot);
+ }
+
+ /**
+ * Sets the default colorspace.
+ * @param name the name of the colorspace. It can be <CODE>PdfName.DEFAULTGRAY</CODE>, <CODE>PdfName.DEFAULTRGB</CODE>
+ * or <CODE>PdfName.DEFAULTCMYK</CODE>
+ * @param obj the colorspace. A <CODE>null</CODE> or <CODE>PdfNull</CODE> removes any colorspace with the same name
+ */
+ public void setDefaultColorspace(PdfName name, PdfObject obj) {
+ PageResources prs = getPageResources();
+ prs.addDefaultColor(name, obj);
+ }
+
+ /**
+ * Begins a marked content sequence. This sequence will be tagged with the structure <CODE>struc</CODE>.
+ * The same structure can be used several times to connect text that belongs to the same logical segment
+ * but is in a different location, like the same paragraph crossing to another page, for example.
+ * @param struc the tagging structure
+ */
+ public void beginMarkedContentSequence(PdfStructureElement struc) {
+ PdfObject obj = struc.get(PdfName.K);
+ int mark = pdf.getMarkPoint();
+ if (obj != null) {
+ PdfArray ar = null;
+ if (obj.isNumber()) {
+ ar = new PdfArray();
+ ar.add(obj);
+ struc.put(PdfName.K, ar);
+ }
+ else if (obj.isArray()) {
+ ar = (PdfArray)obj;
+ if (!((PdfObject)ar.getArrayList().get(0)).isNumber())
+ throw new IllegalArgumentException("The structure has kids.");
+ }
+ else
+ throw new IllegalArgumentException("Unknown object at /K " + obj.getClass().toString());
+ PdfDictionary dic = new PdfDictionary(PdfName.MCR);
+ dic.put(PdfName.PG, writer.getCurrentPage());
+ dic.put(PdfName.MCID, new PdfNumber(mark));
+ ar.add(dic);
+ struc.setPageMark(writer.getPageNumber() - 1, -1);
+ }
+ else {
+ struc.setPageMark(writer.getPageNumber() - 1, mark);
+ struc.put(PdfName.PG, writer.getCurrentPage());
+ }
+ pdf.incMarkPoint();
+ content.append(struc.get(PdfName.S).getBytes()).append(" <</MCID ").append(mark).append(">> BDC").append_i(separator);
+ }
+
+ /**
+ * Ends a marked content sequence
+ */
+ public void endMarkedContentSequence() {
+ content.append("EMC").append_i(separator);
+ }
+
+ /**
+ * Begins a marked content sequence. If property is <CODE>null</CODE> the mark will be of the type
+ * <CODE>BMC</CODE> otherwise it will be <CODE>BDC</CODE>.
+ * @param tag the tag
+ * @param property the property
+ * @param inline <CODE>true</CODE> to include the property in the content or <CODE>false</CODE>
+ * to include the property in the resource dictionary with the possibility of reusing
+ */
+ public void beginMarkedContentSequence(PdfName tag, PdfDictionary property, boolean inline) {
+ if (property == null) {
+ content.append(tag.getBytes()).append(" BMC").append_i(separator);
+ return;
+ }
+ content.append(tag.getBytes()).append(' ');
+ if (inline)
+ try {
+ property.toPdf(writer, content);
+ }
+ catch (Exception e) {
+ throw new ExceptionConverter(e);
+ }
+ else {
+ PdfObject[] objs;
+ if (writer.propertyExists(property))
+ objs = writer.addSimpleProperty(property, null);
+ else
+ objs = writer.addSimpleProperty(property, writer.getPdfIndirectReference());
+ PdfName name = (PdfName)objs[0];
+ PageResources prs = getPageResources();
+ name = prs.addProperty(name, (PdfIndirectReference)objs[1]);
+ content.append(name.getBytes());
+ }
+ content.append(" BDC").append_i(separator);
+ }
+
+ /**
+ * This is just a shorthand to <CODE>beginMarkedContentSequence(tag, null, false)</CODE>.
+ * @param tag the tag
+ */
+ public void beginMarkedContentSequence(PdfName tag) {
+ beginMarkedContentSequence(tag, null, false);
+ }
+}
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