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iText, a free Java-PDF library
/*
* $Id: b4388c19f47578767f024ea22983f38c71a9ad8b $
*
* This file is part of the iText (R) project.
* Copyright (c) 1998-2015 iText Group NV
* Authors: Bruno Lowagie, Paulo Soares, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
* ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
* OF THIRD PARTY RIGHTS
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://itextpdf.com/terms-of-use/
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* In accordance with Section 7(b) of the GNU Affero General Public License,
* a covered work must retain the producer line in every PDF that is created
* or manipulated using iText.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the iText software without
* disclosing the source code of your own applications.
* These activities include: offering paid services to customers as an ASP,
* serving PDFs on the fly in a web application, shipping iText with a closed
* source product.
*
* For more information, please contact iText Software Corp. at this
* address: [email protected]
*/
package com.itextpdf.awt;
import java.awt.AlphaComposite;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Component;
import java.awt.Composite;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.Image;
import java.awt.MediaTracker;
import java.awt.Paint;
import java.awt.Polygon;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.Stroke;
import java.awt.TexturePaint;
import java.awt.Transparency;
import java.awt.RenderingHints.Key;
import java.awt.color.ColorSpace;
import java.awt.font.FontRenderContext;
import java.awt.font.GlyphVector;
import java.awt.font.TextAttribute;
import java.awt.geom.AffineTransform;
import java.awt.geom.Arc2D;
import java.awt.geom.Area;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Line2D;
import java.awt.geom.NoninvertibleTransformException;
import java.awt.geom.PathIterator;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.awt.geom.RoundRectangle2D;
import java.awt.image.BufferedImage;
import java.awt.image.BufferedImageOp;
import java.awt.image.ColorModel;
import java.awt.image.ImageObserver;
import java.awt.image.RenderedImage;
import java.awt.image.WritableRaster;
import java.awt.image.renderable.RenderableImage;
import java.io.ByteArrayOutputStream;
import java.text.AttributedCharacterIterator;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Locale;
import java.util.Map;
import javax.imageio.IIOImage;
import javax.imageio.ImageIO;
import javax.imageio.ImageWriteParam;
import javax.imageio.ImageWriter;
import javax.imageio.plugins.jpeg.JPEGImageWriteParam;
import javax.imageio.stream.ImageOutputStream;
import com.itextpdf.awt.geom.PolylineShape;
import com.itextpdf.text.BaseColor;
import com.itextpdf.text.pdf.BaseFont;
import com.itextpdf.text.pdf.ByteBuffer;
import com.itextpdf.text.pdf.CMYKColor;
import com.itextpdf.text.pdf.PdfAction;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfGState;
import com.itextpdf.text.pdf.PdfPatternPainter;
import com.itextpdf.text.pdf.PdfShading;
import com.itextpdf.text.pdf.PdfShadingPattern;
public class PdfGraphics2D extends Graphics2D {
private static final int FILL = 1;
private static final int STROKE = 2;
private static final int CLIP = 3;
private BasicStroke strokeOne = new BasicStroke(1);
private static final AffineTransform IDENTITY = new AffineTransform();
protected Font font;
protected BaseFont baseFont;
protected float fontSize;
protected AffineTransform transform;
protected Paint paint;
protected Color background;
protected float width;
protected float height;
protected Area clip;
protected RenderingHints rhints = new RenderingHints(null);
protected Stroke stroke;
protected Stroke originalStroke;
protected PdfContentByte cb;
/** Storage for BaseFont objects created. */
protected HashMap baseFonts;
protected boolean disposeCalled = false;
protected FontMapper fontMapper;
private static final class Kid {
final int pos;
final PdfGraphics2D graphics;
Kid(int pos, PdfGraphics2D graphics) {
this.pos = pos;
this.graphics = graphics;
}
}
private ArrayList kids;
private boolean kid = false;
private Graphics2D dg2;
private boolean onlyShapes = false;
private Stroke oldStroke;
private Paint paintFill;
private Paint paintStroke;
private MediaTracker mediaTracker;
// Added by Jurij Bilas
protected boolean underline; // indicates if the font style is underlined
// Added by Peter Severin
/** @since 5.0.3 */
protected boolean strikethrough;
protected PdfGState fillGState[];
protected PdfGState strokeGState[];
protected int currentFillGState = 255;
protected int currentStrokeGState = 255;
public static final int AFM_DIVISOR = 1000; // used to calculate coordinates
private boolean convertImagesToJPEG = false;
private float jpegQuality = .95f;
// Added by Alexej Suchov
private float alpha;
// Added by Alexej Suchov
private Composite composite;
// Added by Alexej Suchov
private Paint realPaint;
/**
* Method that creates a Graphics2D object.
* Contributed by Peter Harvey: he moved code from the constructor to a separate method
* @since 5.0.2
*/
private Graphics2D getDG2() {
if (dg2 == null) {
dg2 = new BufferedImage(2, 2, BufferedImage.TYPE_INT_RGB).createGraphics();
dg2.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
setRenderingHint(HyperLinkKey.KEY_INSTANCE, HyperLinkKey.VALUE_HYPERLINKKEY_OFF);
}
return dg2;
}
private PdfGraphics2D() {}
public PdfGraphics2D(PdfContentByte cb, final float width, final float height) {
this(cb, width, height, null, false, false, 0);
}
public PdfGraphics2D(PdfContentByte cb, final float width, final float height, final FontMapper fontMapper) {
this(cb, width, height, fontMapper, false, false, 0);
}
public PdfGraphics2D(PdfContentByte cb, final float width, final float height, final boolean onlyShapes) {
this(cb, width, height, null, onlyShapes, false, 0);
}
/**
* Constructor for PDFGraphics2D.
*/
public PdfGraphics2D(PdfContentByte cb, float width, float height, FontMapper fontMapper, boolean onlyShapes, boolean convertImagesToJPEG, float quality) {
super();
this.fillGState = new PdfGState[256];
this.strokeGState = new PdfGState[256];
this.convertImagesToJPEG = convertImagesToJPEG;
this.jpegQuality = quality;
this.onlyShapes = onlyShapes;
this.transform = new AffineTransform();
this.baseFonts = new HashMap();
if (!onlyShapes) {
this.fontMapper = fontMapper;
if (this.fontMapper == null)
this.fontMapper = new DefaultFontMapper();
}
paint = Color.black;
background = Color.white;
setFont(new Font("sanserif", Font.PLAIN, 12));
this.cb = cb;
cb.saveState();
this.width = width;
this.height = height;
clip = new Area(new Rectangle2D.Float(0, 0, width, height));
clip(clip);
originalStroke = stroke = oldStroke = strokeOne;
setStrokeDiff(stroke, null);
cb.saveState();
}
/**
* @see Graphics2D#draw(Shape)
*/
@Override
public void draw(Shape s) {
followPath(s, STROKE);
}
/**
* @see Graphics2D#drawImage(Image, AffineTransform, ImageObserver)
*/
@Override
public boolean drawImage(Image img, AffineTransform xform, ImageObserver obs) {
return drawImage(img, null, xform, null, obs);
}
/**
* @see Graphics2D#drawImage(BufferedImage, BufferedImageOp, int, int)
*/
@Override
public void drawImage(BufferedImage img, BufferedImageOp op, int x, int y) {
BufferedImage result = img;
if (op != null) {
result = op.createCompatibleDestImage(img, img.getColorModel());
result = op.filter(img, result);
}
drawImage(result, x, y, null);
}
/**
* @see Graphics2D#drawRenderedImage(RenderedImage, AffineTransform)
*/
@Override
public void drawRenderedImage(RenderedImage img, AffineTransform xform) {
BufferedImage image = null;
if (img instanceof BufferedImage) {
image = (BufferedImage)img;
} else {
ColorModel cm = img.getColorModel();
int width = img.getWidth();
int height = img.getHeight();
WritableRaster raster = cm.createCompatibleWritableRaster(width, height);
boolean isAlphaPremultiplied = cm.isAlphaPremultiplied();
Hashtable properties = new Hashtable();
String[] keys = img.getPropertyNames();
if (keys!=null) {
for (String key : keys) {
properties.put(key, img.getProperty(key));
}
}
BufferedImage result = new BufferedImage(cm, raster, isAlphaPremultiplied, properties);
img.copyData(raster);
image=result;
}
drawImage(image, xform, null);
}
/**
* @see Graphics2D#drawRenderableImage(RenderableImage, AffineTransform)
*/
@Override
public void drawRenderableImage(RenderableImage img, AffineTransform xform) {
drawRenderedImage(img.createDefaultRendering(), xform);
}
/**
* @see Graphics#drawString(String, int, int)
*/
@Override
public void drawString(String s, int x, int y) {
drawString(s, (float)x, (float)y);
}
/**
* Calculates position and/or stroke thickness depending on the font size
* @param d value to be converted
* @param i font size
* @return position and/or stroke thickness depending on the font size
*/
public static double asPoints(double d, int i) {
return d * i / AFM_DIVISOR;
}
/**
* This routine goes through the attributes and sets the font
* before calling the actual string drawing routine
* @param iter
*/
@SuppressWarnings("unchecked")
protected void doAttributes(AttributedCharacterIterator iter) {
underline = false;
strikethrough = false;
for (AttributedCharacterIterator.Attribute attribute: iter.getAttributes().keySet()) {
if (!(attribute instanceof TextAttribute))
continue;
TextAttribute textattribute = (TextAttribute)attribute;
if(textattribute.equals(TextAttribute.FONT)) {
Font font = (Font)iter.getAttributes().get(textattribute);
setFont(font);
}
else if(textattribute.equals(TextAttribute.UNDERLINE)) {
if(iter.getAttributes().get(textattribute) == TextAttribute.UNDERLINE_ON)
underline = true;
}
else if(textattribute.equals(TextAttribute.STRIKETHROUGH)) {
if(iter.getAttributes().get(textattribute) == TextAttribute.STRIKETHROUGH_ON)
strikethrough = true;
}
else if(textattribute.equals(TextAttribute.SIZE)) {
Object obj = iter.getAttributes().get(textattribute);
if(obj instanceof Integer) {
int i = ((Integer)obj).intValue();
setFont(getFont().deriveFont(getFont().getStyle(), i));
}
else if(obj instanceof Float) {
float f = ((Float)obj).floatValue();
setFont(getFont().deriveFont(getFont().getStyle(), f));
}
}
else if(textattribute.equals(TextAttribute.FOREGROUND)) {
setColor((Color) iter.getAttributes().get(textattribute));
}
else if(textattribute.equals(TextAttribute.FAMILY)) {
Font font = getFont();
Map fontAttributes = font.getAttributes();
fontAttributes.put(TextAttribute.FAMILY, iter.getAttributes().get(textattribute));
setFont(font.deriveFont(fontAttributes));
}
else if(textattribute.equals(TextAttribute.POSTURE)) {
Font font = getFont();
Map fontAttributes = font.getAttributes();
fontAttributes.put(TextAttribute.POSTURE, iter.getAttributes().get(textattribute));
setFont(font.deriveFont(fontAttributes));
}
else if(textattribute.equals(TextAttribute.WEIGHT)) {
Font font = getFont();
Map fontAttributes = font.getAttributes();
fontAttributes.put(TextAttribute.WEIGHT, iter.getAttributes().get(textattribute));
setFont(font.deriveFont(fontAttributes));
}
}
}
/**
* @see Graphics2D#drawString(String, float, float)
*/
@Override
public void drawString(String s, float x, float y) {
if (s.length() == 0)
return;
setFillPaint();
if (onlyShapes) {
drawGlyphVector(this.font.layoutGlyphVector(getFontRenderContext(), s.toCharArray(), 0, s.length(), java.awt.Font.LAYOUT_LEFT_TO_RIGHT), x, y);
// Use the following line to compile in JDK 1.3
// drawGlyphVector(this.font.createGlyphVector(getFontRenderContext(), s), x, y);
}
else {
boolean restoreTextRenderingMode = false;
// we want an untarnished clone of the transformation for use with
// underline & strikethrough
AffineTransform at = getTransform();
// this object will be manipulated in case of rotation, skewing, etc.
AffineTransform at2 = getTransform();
at2.translate(x, y);
at2.concatenate(font.getTransform());
setTransform(at2);
AffineTransform inverse = this.normalizeMatrix();
AffineTransform flipper = AffineTransform.getScaleInstance(1, -1);
inverse.concatenate(flipper);
cb.beginText();
cb.setFontAndSize(baseFont, fontSize);
// Check if we need to simulate an italic font.
if (font.isItalic()) {
float angle = baseFont.getFontDescriptor(BaseFont.ITALICANGLE, 1000);
float angle2 = font.getItalicAngle();
// When there are different fonts for italic, bold, italic bold
// the font.getName() will be different from the font.getFontName()
// value. When they are the same value then we are normally dealing
// with a single font that has been made into an italic or bold
// font. When there are only a plain and a bold font available,
// we need to enter this logic too. This should be identifiable
// by the baseFont's and font's italic angles being 0.
if (font.getFontName().equals(font.getName()) || (angle == 0f && angle2 == 0f)) {
// We don't have an italic version of this font, so we need
// to set the font angle ourselves to produce an italic font.
if (angle2 == 0) {
// The JavaVM didn't find an angle setting for making
// the font an italic font so use a default italic
// angle of 10 degrees.
angle2 = 10.0f;
} else {
// This sign of the angle for Java and PDF
// seems to be reversed.
angle2 = -angle2;
}
if (angle == 0) {
// We need to concatenate the skewing transformation to
// the original ones.
AffineTransform skewing = new AffineTransform();
skewing.setTransform(1f, 0f, (float) Math.tan(angle2 * Math.PI / 180), 1f, 0f, 0f);
inverse.concatenate(skewing);
}
}
}
// We must wait to fetch the transformation matrix until after the
// potential skewing transformation
double[] mx = new double[6];
inverse.getMatrix(mx);
cb.setTextMatrix((float) mx[0], (float) mx[1], (float) mx[2], (float) mx[3], (float) mx[4], (float) mx[5]);
Float fontTextAttributeWidth = (Float)font.getAttributes().get(TextAttribute.WIDTH);
fontTextAttributeWidth = fontTextAttributeWidth == null
? TextAttribute.WIDTH_REGULAR
: fontTextAttributeWidth;
if (!TextAttribute.WIDTH_REGULAR.equals(fontTextAttributeWidth))
cb.setHorizontalScaling(100.0f / fontTextAttributeWidth.floatValue());
// Check if we need to simulate a bold font.
// Do nothing if the BaseFont is already bold. This test is not foolproof but it will work most of the times.
if (baseFont.getPostscriptFontName().toLowerCase().indexOf("bold") < 0) {
// Get the weight of the font so we can detect fonts with a weight
// that makes them bold, while there is only a single font file.
Float weight = (Float) font.getAttributes().get(TextAttribute.WEIGHT);
if (weight == null) {
weight = font.isBold() ? TextAttribute.WEIGHT_BOLD
: TextAttribute.WEIGHT_REGULAR;
}
if (font.isBold()
&& (weight.floatValue() >= TextAttribute.WEIGHT_SEMIBOLD.floatValue()
|| font.getFontName().equals(font.getName()))) {
// Simulate a bold font.
float strokeWidth = font.getSize2D() * (weight.floatValue() - TextAttribute.WEIGHT_REGULAR.floatValue()) / 20f;
if(realPaint instanceof Color){
cb.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL_STROKE);
cb.setLineWidth(strokeWidth);
Color color = (Color)realPaint;
int alpha = color.getAlpha();
if (alpha != currentStrokeGState) {
currentStrokeGState = alpha;
PdfGState gs = strokeGState[alpha];
if (gs == null) {
gs = new PdfGState();
gs.setStrokeOpacity(alpha / 255f);
strokeGState[alpha] = gs;
}
cb.setGState(gs);
}
cb.setColorStroke(prepareColor(color));
restoreTextRenderingMode = true;
}
}
}
double width = 0;
if (font.getSize2D() > 0) {
float scale = 1000 / font.getSize2D();
Font derivedFont = font.deriveFont(AffineTransform.getScaleInstance(scale, scale));
width = derivedFont.getStringBounds(s, getFontRenderContext()).getWidth();
if (derivedFont.isTransformed())
width /= scale;
}
// if the hyperlink flag is set add an action to the text
Object url = getRenderingHint(HyperLinkKey.KEY_INSTANCE);
if (url != null && !url.equals(HyperLinkKey.VALUE_HYPERLINKKEY_OFF))
{
float scale = 1000 / font.getSize2D();
Font derivedFont = font.deriveFont(AffineTransform.getScaleInstance(scale, scale));
double height = derivedFont.getStringBounds(s, getFontRenderContext()).getHeight();
if (derivedFont.isTransformed())
height /= scale;
double leftX = cb.getXTLM();
double leftY = cb.getYTLM();
PdfAction action = new PdfAction(url.toString());
cb.setAction(action, (float)leftX, (float)leftY, (float)(leftX+width), (float)(leftY+height));
}
if (s.length() > 1) {
float adv = ((float)width - baseFont.getWidthPoint(s, fontSize)) / (s.length() - 1);
cb.setCharacterSpacing(adv);
}
cb.showText(s);
if (s.length() > 1) {
cb.setCharacterSpacing(0);
}
if (!TextAttribute.WIDTH_REGULAR.equals(fontTextAttributeWidth))
cb.setHorizontalScaling(100);
// Restore the original TextRenderingMode if needed.
if (restoreTextRenderingMode) {
cb.setTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL);
}
cb.endText();
setTransform(at);
if (underline) {
// These two are supposed to be taken from the .AFM file
//int UnderlinePosition = -100;
int UnderlineThickness = 50;
//
double d = asPoints(UnderlineThickness, (int) fontSize);
Stroke savedStroke = originalStroke;
setStroke(new BasicStroke((float) d));
// Setting of the underline must be 2 times the d-value,
// otherwise it might be too close to the text
// esp. in case of a manually created bold font.
float lineY = (float) (y + d * 2);
Line2D line = new Line2D.Double(x, lineY, width + x, lineY);
draw(line);
setStroke(savedStroke);
}
if(strikethrough) {
// These two are supposed to be taken from the .AFM file
int StrikethroughThickness = 50;
int StrikethroughPosition = 350;
//
double d = asPoints(StrikethroughThickness, (int)fontSize);
double p = asPoints(StrikethroughPosition, (int)fontSize);
Stroke savedStroke = originalStroke;
setStroke(new BasicStroke((float)d));
y = (float)(y + asPoints(StrikethroughThickness, (int)fontSize));
Line2D line = new Line2D.Double(x, y-p, width+x, y-p);
draw(line);
setStroke(savedStroke);
}
}
}
/**
* @see Graphics#drawString(AttributedCharacterIterator, int, int)
*/
@Override
public void drawString(AttributedCharacterIterator iterator, int x, int y) {
drawString(iterator, (float)x, (float)y);
}
/**
* @see Graphics2D#drawString(AttributedCharacterIterator, float, float)
*/
@Override
public void drawString(AttributedCharacterIterator iter, float x, float y) {
/*
StringBuffer sb = new StringBuffer();
for(char c = iter.first(); c != AttributedCharacterIterator.DONE; c = iter.next()) {
sb.append(c);
}
drawString(sb.toString(),x,y);
*/
StringBuffer stringbuffer = new StringBuffer(iter.getEndIndex());
for(char c = iter.first(); c != '\uFFFF'; c = iter.next())
{
if(iter.getIndex() == iter.getRunStart())
{
if(stringbuffer.length() > 0)
{
drawString(stringbuffer.toString(), x, y);
FontMetrics fontmetrics = getFontMetrics();
x = (float)(x + fontmetrics.getStringBounds(stringbuffer.toString(), this).getWidth());
stringbuffer.delete(0, stringbuffer.length());
}
doAttributes(iter);
}
stringbuffer.append(c);
}
drawString(stringbuffer.toString(), x, y);
underline = false;
strikethrough = false;
}
/**
* @see Graphics2D#drawGlyphVector(GlyphVector, float, float)
*/
@Override
public void drawGlyphVector(GlyphVector g, float x, float y) {
Shape s = g.getOutline(x, y);
fill(s);
}
/**
* @see Graphics2D#fill(Shape)
*/
@Override
public void fill(Shape s) {
followPath(s, FILL);
}
/**
* @see Graphics2D#hit(Rectangle, Shape, boolean)
*/
@Override
public boolean hit(Rectangle rect, Shape s, boolean onStroke) {
if (onStroke) {
s = stroke.createStrokedShape(s);
}
s = transform.createTransformedShape(s);
Area area = new Area(s);
if (clip != null)
area.intersect(clip);
return area.intersects(rect.x, rect.y, rect.width, rect.height);
}
/**
* @see Graphics2D#getDeviceConfiguration()
*/
@Override
public GraphicsConfiguration getDeviceConfiguration() {
return getDG2().getDeviceConfiguration();
}
/**
* Method contributed by Alexej Suchov
* @see Graphics2D#setComposite(Composite)
*/
@Override
public void setComposite(Composite comp) {
if (comp instanceof AlphaComposite) {
AlphaComposite composite = (AlphaComposite) comp;
if (composite.getRule() == 3) {
alpha = composite.getAlpha();
this.composite = composite;
if (realPaint != null && realPaint instanceof Color) {
Color c = (Color) realPaint;
paint = new Color(c.getRed(), c.getGreen(), c.getBlue(),
(int) (c.getAlpha() * alpha));
}
return;
}
}
this.composite = comp;
alpha = 1.0F;
}
/**
* Method contributed by Alexej Suchov
* @see Graphics2D#setPaint(Paint)
*/
@Override
public void setPaint(Paint paint) {
if (paint == null)
return;
this.paint = paint;
realPaint = paint;
if (composite instanceof AlphaComposite && paint instanceof Color) {
AlphaComposite co = (AlphaComposite) composite;
if (co.getRule() == 3) {
Color c = (Color) paint;
this.paint = new Color(c.getRed(), c.getGreen(), c.getBlue(), (int) (c.getAlpha() * alpha));
realPaint = paint;
}
}
}
private Stroke transformStroke(Stroke stroke) {
if (!(stroke instanceof BasicStroke))
return stroke;
BasicStroke st = (BasicStroke)stroke;
float scale = (float)Math.sqrt(Math.abs(transform.getDeterminant()));
float dash[] = st.getDashArray();
if (dash != null) {
for (int k = 0; k < dash.length; ++k)
dash[k] *= scale;
}
return new BasicStroke(st.getLineWidth() * scale, st.getEndCap(), st.getLineJoin(), st.getMiterLimit(), dash, st.getDashPhase() * scale);
}
private void setStrokeDiff(Stroke newStroke, Stroke oldStroke) {
if (newStroke == oldStroke)
return;
if (!(newStroke instanceof BasicStroke))
return;
BasicStroke nStroke = (BasicStroke)newStroke;
boolean oldOk = oldStroke instanceof BasicStroke;
BasicStroke oStroke = null;
if (oldOk)
oStroke = (BasicStroke)oldStroke;
if (!oldOk || nStroke.getLineWidth() != oStroke.getLineWidth())
cb.setLineWidth(nStroke.getLineWidth());
if (!oldOk || nStroke.getEndCap() != oStroke.getEndCap()) {
switch (nStroke.getEndCap()) {
case BasicStroke.CAP_BUTT:
cb.setLineCap(0);
break;
case BasicStroke.CAP_SQUARE:
cb.setLineCap(2);
break;
default:
cb.setLineCap(1);
}
}
if (!oldOk || nStroke.getLineJoin() != oStroke.getLineJoin()) {
switch (nStroke.getLineJoin()) {
case BasicStroke.JOIN_MITER:
cb.setLineJoin(0);
break;
case BasicStroke.JOIN_BEVEL:
cb.setLineJoin(2);
break;
default:
cb.setLineJoin(1);
}
}
if (!oldOk || nStroke.getMiterLimit() != oStroke.getMiterLimit())
cb.setMiterLimit(nStroke.getMiterLimit());
boolean makeDash;
if (oldOk) {
if (nStroke.getDashArray() != null) {
if (nStroke.getDashPhase() != oStroke.getDashPhase()) {
makeDash = true;
}
else if (!java.util.Arrays.equals(nStroke.getDashArray(), oStroke.getDashArray())) {
makeDash = true;
}
else
makeDash = false;
}
else if (oStroke.getDashArray() != null) {
makeDash = true;
}
else
makeDash = false;
}
else {
makeDash = true;
}
if (makeDash) {
float dash[] = nStroke.getDashArray();
if (dash == null)
cb.setLiteral("[]0 d\n");
else {
cb.setLiteral('[');
int lim = dash.length;
for (int k = 0; k < lim; ++k) {
cb.setLiteral(dash[k]);
cb.setLiteral(' ');
}
cb.setLiteral(']');
cb.setLiteral(nStroke.getDashPhase());
cb.setLiteral(" d\n");
}
}
}
/**
* @see Graphics2D#setStroke(Stroke)
*/
@Override
public void setStroke(Stroke s) {
originalStroke = s;
this.stroke = transformStroke(s);
}
/**
* Sets a rendering hint
* @param arg0
* @param arg1
*/
@Override
public void setRenderingHint(Key arg0, Object arg1) {
if (arg1 != null) {
rhints.put(arg0, arg1);
} else {
if (arg0 instanceof HyperLinkKey)
{
rhints.put(arg0, HyperLinkKey.VALUE_HYPERLINKKEY_OFF);
}
else
{
rhints.remove(arg0);
}
}
}
/**
* @param arg0 a key
* @return the rendering hint
*/
@Override
public Object getRenderingHint(Key arg0) {
return rhints.get(arg0);
}
/**
* @see Graphics2D#setRenderingHints(Map)
*/
@Override
public void setRenderingHints(Map hints) {
rhints.clear();
rhints.putAll(hints);
}
/**
* @see Graphics2D#addRenderingHints(Map)
*/
@Override
public void addRenderingHints(Map hints) {
rhints.putAll(hints);
}
/**
* @see Graphics2D#getRenderingHints()
*/
@Override
public RenderingHints getRenderingHints() {
return rhints;
}
/**
* @see Graphics#translate(int, int)
*/
@Override
public void translate(int x, int y) {
translate((double)x, (double)y);
}
/**
* @see Graphics2D#translate(double, double)
*/
@Override
public void translate(double tx, double ty) {
transform.translate(tx,ty);
}
/**
* @see Graphics2D#rotate(double)
*/
@Override
public void rotate(double theta) {
transform.rotate(theta);
}
/**
* @see Graphics2D#rotate(double, double, double)
*/
@Override
public void rotate(double theta, double x, double y) {
transform.rotate(theta, x, y);
}
/**
* @see Graphics2D#scale(double, double)
*/
@Override
public void scale(double sx, double sy) {
transform.scale(sx, sy);
this.stroke = transformStroke(originalStroke);
}
/**
* @see Graphics2D#shear(double, double)
*/
@Override
public void shear(double shx, double shy) {
transform.shear(shx, shy);
}
/**
* @see Graphics2D#transform(AffineTransform)
*/
@Override
public void transform(AffineTransform tx) {
transform.concatenate(tx);
this.stroke = transformStroke(originalStroke);
}
/**
* @see Graphics2D#setTransform(AffineTransform)
*/
@Override
public void setTransform(AffineTransform t) {
transform = new AffineTransform(t);
this.stroke = transformStroke(originalStroke);
}
/**
* @see Graphics2D#getTransform()
*/
@Override
public AffineTransform getTransform() {
return new AffineTransform(transform);
}
/**
* Method contributed by Alexej Suchov
* @see Graphics2D#getPaint()
*/
@Override
public Paint getPaint() {
if (realPaint != null) {
return realPaint;
} else {
return paint;
}
}
/**
* @see Graphics2D#getComposite()
*/
@Override
public Composite getComposite() {
return composite;
}
/**
* @see Graphics2D#setBackground(Color)
*/
@Override
public void setBackground(Color color) {
background = color;
}
/**
* @see Graphics2D#getBackground()
*/
@Override
public Color getBackground() {
return background;
}
/**
* @see Graphics2D#getStroke()
*/
@Override
public Stroke getStroke() {
return originalStroke;
}
/**
* @see Graphics2D#getFontRenderContext()
*/
@Override
public FontRenderContext getFontRenderContext() {
boolean antialias = RenderingHints.VALUE_TEXT_ANTIALIAS_ON.equals(getRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING));
boolean fractions = RenderingHints.VALUE_FRACTIONALMETRICS_ON.equals(getRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS));
return new FontRenderContext(new AffineTransform(), antialias, fractions);
}
/**
* @see Graphics#create()
*/
@Override
public Graphics create() {
PdfGraphics2D g2 = new PdfGraphics2D();
g2.rhints.putAll( this.rhints );
g2.onlyShapes = this.onlyShapes;
g2.transform = new AffineTransform(this.transform);
g2.baseFonts = this.baseFonts;
g2.fontMapper = this.fontMapper;
g2.paint = this.paint;
g2.fillGState = this.fillGState;
g2.currentFillGState = this.currentFillGState;
g2.strokeGState = this.strokeGState;
g2.background = this.background;
g2.mediaTracker = this.mediaTracker;
g2.convertImagesToJPEG = this.convertImagesToJPEG;
g2.jpegQuality = this.jpegQuality;
g2.setFont(this.font);
g2.cb = this.cb.getDuplicate();
g2.cb.saveState();
g2.width = this.width;
g2.height = this.height;
g2.followPath(new Area(new Rectangle2D.Float(0, 0, width, height)), CLIP);
if (this.clip != null)
g2.clip = new Area(this.clip);
g2.composite = composite;
g2.stroke = stroke;
g2.originalStroke = originalStroke;
g2.strokeOne = (BasicStroke)g2.transformStroke(g2.strokeOne);
g2.oldStroke = g2.strokeOne;
g2.setStrokeDiff(g2.oldStroke, null);
g2.cb.saveState();
if (g2.clip != null)
g2.followPath(g2.clip, CLIP);
g2.kid = true;
if (this.kids == null)
this.kids = new ArrayList();
this.kids.add(new Kid(cb.getInternalBuffer().size(), g2));
return g2;
}
public PdfContentByte getContent() {
return this.cb;
}
/**
* @see Graphics#getColor()
*/
@Override
public Color getColor() {
if (paint instanceof Color) {
return (Color)paint;
} else {
return Color.black;
}
}
/**
* @see Graphics#setColor(Color)
*/
@Override
public void setColor(Color color) {
setPaint(color);
}
/**
* @see Graphics#setPaintMode()
*/
@Override
public void setPaintMode() {}
/**
* @see Graphics#setXORMode(Color)
*/
@Override
public void setXORMode(Color c1) {
}
/**
* @see Graphics#getFont()
*/
@Override
public Font getFont() {
return font;
}
/**
* @see Graphics#setFont(Font)
*/
/**
* Sets the current font.
*/
@Override
public void setFont(Font f) {
if (f == null)
return;
if (onlyShapes) {
font = f;
return;
}
if (f == font)
return;
font = f;
fontSize = f.getSize2D();
baseFont = getCachedBaseFont(f);
}
private BaseFont getCachedBaseFont(Font f) {
synchronized (baseFonts) {
BaseFont bf = baseFonts.get(f.getFontName());
if (bf == null) {
bf = fontMapper.awtToPdf(f);
baseFonts.put(f.getFontName(), bf);
}
return bf;
}
}
/**
* @see Graphics#getFontMetrics(Font)
*/
@Override
public FontMetrics getFontMetrics(Font f) {
return getDG2().getFontMetrics(f);
}
/**
* @see Graphics#getClipBounds()
*/
@Override
public Rectangle getClipBounds() {
if (clip == null)
return null;
return getClip().getBounds();
}
/**
* @see Graphics#clipRect(int, int, int, int)
*/
@Override
public void clipRect(int x, int y, int width, int height) {
Rectangle2D rect = new Rectangle2D.Double(x,y,width,height);
clip(rect);
}
/**
* @see Graphics#setClip(int, int, int, int)
*/
@Override
public void setClip(int x, int y, int width, int height) {
Rectangle2D rect = new Rectangle2D.Double(x,y,width,height);
setClip(rect);
}
/**
* @see Graphics2D#clip(Shape)
*/
@Override
public void clip(Shape s) {
if (s == null) {
setClip(null);
return;
}
s = transform.createTransformedShape(s);
if (clip == null)
clip = new Area(s);
else
clip.intersect(new Area(s));
followPath(s, CLIP);
}
/**
* @see Graphics#getClip()
*/
@Override
public Shape getClip() {
try {
return transform.createInverse().createTransformedShape(clip);
}
catch (NoninvertibleTransformException e) {
return null;
}
}
/**
* @see Graphics#setClip(Shape)
*/
@Override
public void setClip(Shape s) {
cb.restoreState();
cb.saveState();
if (s != null)
s = transform.createTransformedShape(s);
if (s == null) {
clip = null;
}
else {
clip = new Area(s);
followPath(s, CLIP);
}
paintFill = paintStroke = null;
currentFillGState = currentStrokeGState = -1;
oldStroke = strokeOne;
}
/**
* @see Graphics#copyArea(int, int, int, int, int, int)
*/
@Override
public void copyArea(int x, int y, int width, int height, int dx, int dy) {
}
/**
* @see Graphics#drawLine(int, int, int, int)
*/
@Override
public void drawLine(int x1, int y1, int x2, int y2) {
Line2D line = new Line2D.Double(x1, y1, x2, y2);
draw(line);
}
/**
* @see Graphics#fillRect(int, int, int, int)
*/
@Override
public void drawRect(int x, int y, int width, int height) {
draw(new Rectangle(x, y, width, height));
}
/**
* @see Graphics#fillRect(int, int, int, int)
*/
@Override
public void fillRect(int x, int y, int width, int height) {
fill(new Rectangle(x,y,width,height));
}
/**
* @see Graphics#clearRect(int, int, int, int)
*/
@Override
public void clearRect(int x, int y, int width, int height) {
Paint temp = paint;
setPaint(background);
fillRect(x,y,width,height);
setPaint(temp);
}
/**
* @see Graphics#drawRoundRect(int, int, int, int, int, int)
*/
@Override
public void drawRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight) {
RoundRectangle2D rect = new RoundRectangle2D.Double(x,y,width,height,arcWidth, arcHeight);
draw(rect);
}
/**
* @see Graphics#fillRoundRect(int, int, int, int, int, int)
*/
@Override
public void fillRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight) {
RoundRectangle2D rect = new RoundRectangle2D.Double(x,y,width,height,arcWidth, arcHeight);
fill(rect);
}
/**
* @see Graphics#drawOval(int, int, int, int)
*/
@Override
public void drawOval(int x, int y, int width, int height) {
Ellipse2D oval = new Ellipse2D.Float(x, y, width, height);
draw(oval);
}
/**
* @see Graphics#fillOval(int, int, int, int)
*/
@Override
public void fillOval(int x, int y, int width, int height) {
Ellipse2D oval = new Ellipse2D.Float(x, y, width, height);
fill(oval);
}
/**
* @see Graphics#drawArc(int, int, int, int, int, int)
*/
@Override
public void drawArc(int x, int y, int width, int height, int startAngle, int arcAngle) {
Arc2D arc = new Arc2D.Double(x,y,width,height,startAngle, arcAngle, Arc2D.OPEN);
draw(arc);
}
/**
* @see Graphics#fillArc(int, int, int, int, int, int)
*/
@Override
public void fillArc(int x, int y, int width, int height, int startAngle, int arcAngle) {
Arc2D arc = new Arc2D.Double(x,y,width,height,startAngle, arcAngle, Arc2D.PIE);
fill(arc);
}
/**
* @see Graphics#drawPolyline(int[], int[], int)
*/
@Override
public void drawPolyline(int[] x, int[] y, int nPoints) {
PolylineShape polyline = new PolylineShape(x, y, nPoints);
draw(polyline);
}
/**
* @see Graphics#drawPolygon(int[], int[], int)
*/
@Override
public void drawPolygon(int[] xPoints, int[] yPoints, int nPoints) {
Polygon poly = new Polygon(xPoints, yPoints, nPoints);
draw(poly);
}
/**
* @see Graphics#fillPolygon(int[], int[], int)
*/
@Override
public void fillPolygon(int[] xPoints, int[] yPoints, int nPoints) {
Polygon poly = new Polygon();
for (int i = 0; i < nPoints; i++) {
poly.addPoint(xPoints[i], yPoints[i]);
}
fill(poly);
}
/**
* @see Graphics#drawImage(Image, int, int, ImageObserver)
*/
@Override
public boolean drawImage(Image img, int x, int y, ImageObserver observer) {
return drawImage(img, x, y, null, observer);
}
/**
* @see Graphics#drawImage(Image, int, int, int, int, ImageObserver)
*/
@Override
public boolean drawImage(Image img, int x, int y, int width, int height, ImageObserver observer) {
return drawImage(img, x, y, width, height, null, observer);
}
/**
* @see Graphics#drawImage(Image, int, int, Color, ImageObserver)
*/
@Override
public boolean drawImage(Image img, int x, int y, Color bgcolor, ImageObserver observer) {
waitForImage(img);
return drawImage(img, x, y, img.getWidth(observer), img.getHeight(observer), bgcolor, observer);
}
/**
* @see Graphics#drawImage(Image, int, int, int, int, Color, ImageObserver)
*/
@Override
public boolean drawImage(Image img, int x, int y, int width, int height, Color bgcolor, ImageObserver observer) {
waitForImage(img);
double scalex = width/(double)img.getWidth(observer);
double scaley = height/(double)img.getHeight(observer);
AffineTransform tx = AffineTransform.getTranslateInstance(x,y);
tx.scale(scalex,scaley);
return drawImage(img, null, tx, bgcolor, observer);
}
/**
* @see Graphics#drawImage(Image, int, int, int, int, int, int, int, int, ImageObserver)
*/
@Override
public boolean drawImage(Image img, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, ImageObserver observer) {
return drawImage(img, dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2, null, observer);
}
/**
* @see Graphics#drawImage(Image, int, int, int, int, int, int, int, int, Color, ImageObserver)
*/
@Override
public boolean drawImage(Image img, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, Color bgcolor, ImageObserver observer) {
waitForImage(img);
double dwidth = (double)dx2-dx1;
double dheight = (double)dy2-dy1;
double swidth = (double)sx2-sx1;
double sheight = (double)sy2-sy1;
//if either width or height is 0, then there is nothing to draw
if (dwidth == 0 || dheight == 0 || swidth == 0 || sheight == 0) return true;
double scalex = dwidth/swidth;
double scaley = dheight/sheight;
double transx = sx1*scalex;
double transy = sy1*scaley;
AffineTransform tx = AffineTransform.getTranslateInstance(dx1-transx,dy1-transy);
tx.scale(scalex,scaley);
BufferedImage mask = new BufferedImage(img.getWidth(observer), img.getHeight(observer), BufferedImage.TYPE_BYTE_BINARY);
Graphics g = mask.getGraphics();
g.fillRect(sx1,sy1, (int)swidth, (int)sheight);
drawImage(img, mask, tx, null, observer);
g.dispose();
return true;
}
/**
* @see Graphics#dispose()
*/
@Override
public void dispose() {
if (kid)
return;
if (!disposeCalled) {
disposeCalled = true;
cb.restoreState();
cb.restoreState();
if (dg2 != null) {
dg2.dispose();
dg2 = null;
}
if (kids != null) {
ByteBuffer buf = new ByteBuffer();
internalDispose(buf);
ByteBuffer buf2 = cb.getInternalBuffer();
buf2.reset();
buf2.append(buf);
}
}
}
private void internalDispose(ByteBuffer buf) {
int last = 0;
int pos = 0;
ByteBuffer buf2 = cb.getInternalBuffer();
if (kids != null) {
for (Kid kid: kids) {
pos = kid.pos;
PdfGraphics2D g2 = kid.graphics;
g2.cb.restoreState();
g2.cb.restoreState();
buf.append(buf2.getBuffer(), last, pos - last);
if (g2.dg2 != null) {
g2.dg2.dispose();
g2.dg2 = null;
}
g2.internalDispose(buf);
last = pos;
}
}
buf.append(buf2.getBuffer(), last, buf2.size() - last);
}
///////////////////////////////////////////////
//
//
// implementation specific methods
//
//
private void followPath(Shape s, int drawType) {
if (s==null) return;
if (drawType==STROKE) {
if (!(stroke instanceof BasicStroke)) {
s = stroke.createStrokedShape(s);
followPath(s, FILL);
return;
}
}
if (drawType==STROKE) {
setStrokeDiff(stroke, oldStroke);
oldStroke = stroke;
setStrokePaint();
}
else if (drawType==FILL)
setFillPaint();
PathIterator points;
int traces = 0;
if (drawType == CLIP)
points = s.getPathIterator(IDENTITY);
else
points = s.getPathIterator(transform);
float[] coords = new float[6];
double[] dcoords = new double[6];
while(!points.isDone()) {
++traces;
// Added by Peter Harvey (start)
int segtype = points.currentSegment(dcoords);
int numpoints = (segtype == PathIterator.SEG_CLOSE ? 0
: (segtype == PathIterator.SEG_QUADTO ? 2
: (segtype == PathIterator.SEG_CUBICTO ? 3
: 1)));
for (int i = 0; i < numpoints * 2; i++) {
coords[i] = (float) dcoords[i];
}
// Added by Peter Harvey (end)
normalizeY(coords);
switch(segtype) {
case PathIterator.SEG_CLOSE:
cb.closePath();
break;
case PathIterator.SEG_CUBICTO:
cb.curveTo(coords[0], coords[1], coords[2], coords[3], coords[4], coords[5]);
break;
case PathIterator.SEG_LINETO:
cb.lineTo(coords[0], coords[1]);
break;
case PathIterator.SEG_MOVETO:
cb.moveTo(coords[0], coords[1]);
break;
case PathIterator.SEG_QUADTO:
cb.curveTo(coords[0], coords[1], coords[2], coords[3]);
break;
}
points.next();
}
switch (drawType) {
case FILL:
if (traces > 0) {
if (points.getWindingRule() == PathIterator.WIND_EVEN_ODD)
cb.eoFill();
else
cb.fill();
}
break;
case STROKE:
if (traces > 0)
cb.stroke();
break;
default: //drawType==CLIP
if (traces == 0)
cb.rectangle(0, 0, 0, 0);
if (points.getWindingRule() == PathIterator.WIND_EVEN_ODD)
cb.eoClip();
else
cb.clip();
cb.newPath();
}
}
private float normalizeY(float y) {
return this.height - y;
}
private void normalizeY(float[] coords) {
coords[1] = normalizeY(coords[1]);
coords[3] = normalizeY(coords[3]);
coords[5] = normalizeY(coords[5]);
}
protected AffineTransform normalizeMatrix() {
double[] mx = new double[6];
AffineTransform result = AffineTransform.getTranslateInstance(0,0);
result.getMatrix(mx);
mx[3]=-1;
mx[5]=height;
result = new AffineTransform(mx);
result.concatenate(transform);
return result;
}
private boolean drawImage(Image img, Image mask, AffineTransform xform, Color bgColor, ImageObserver obs) {
if (xform==null)
xform = new AffineTransform();
else
xform = new AffineTransform(xform);
xform.translate(0, img.getHeight(obs));
xform.scale(img.getWidth(obs), img.getHeight(obs));
AffineTransform inverse = this.normalizeMatrix();
AffineTransform flipper = AffineTransform.getScaleInstance(1,-1);
inverse.concatenate(xform);
inverse.concatenate(flipper);
double[] mx = new double[6];
inverse.getMatrix(mx);
if (currentFillGState != 255) {
PdfGState gs = fillGState[255];
if (gs == null) {
gs = new PdfGState();
gs.setFillOpacity(1);
fillGState[255] = gs;
}
cb.setGState(gs);
}
try {
com.itextpdf.text.Image image = null;
if(!convertImagesToJPEG){
image = com.itextpdf.text.Image.getInstance(img, bgColor);
}
else{
BufferedImage scaled = new BufferedImage(img.getWidth(null), img.getHeight(null), BufferedImage.TYPE_INT_RGB);
Graphics2D g3 = scaled.createGraphics();
g3.drawImage(img, 0, 0, img.getWidth(null), img.getHeight(null), null);
g3.dispose();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ImageWriteParam iwparam = new JPEGImageWriteParam(Locale.getDefault());
iwparam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
iwparam.setCompressionQuality(jpegQuality);//Set here your compression rate
ImageWriter iw = ImageIO.getImageWritersByFormatName("jpg").next();
ImageOutputStream ios = ImageIO.createImageOutputStream(baos);
iw.setOutput(ios);
iw.write(null, new IIOImage(scaled, null, null), iwparam);
iw.dispose();
ios.close();
scaled.flush();
scaled = null;
image = com.itextpdf.text.Image.getInstance(baos.toByteArray());
}
if (mask!=null) {
com.itextpdf.text.Image msk = com.itextpdf.text.Image.getInstance(mask, null, true);
msk.makeMask();
msk.setInverted(true);
image.setImageMask(msk);
}
cb.addImage(image, (float)mx[0], (float)mx[1], (float)mx[2], (float)mx[3], (float)mx[4], (float)mx[5]);
Object url = getRenderingHint(HyperLinkKey.KEY_INSTANCE);
if (url != null && !url.equals(HyperLinkKey.VALUE_HYPERLINKKEY_OFF)) {
PdfAction action = new PdfAction(url.toString());
cb.setAction(action, (float)mx[4], (float)mx[5], (float)(mx[0]+mx[4]), (float)(mx[3]+mx[5]));
}
} catch (Exception ex) {
throw new IllegalArgumentException(ex);
}
if (currentFillGState >= 0 && currentFillGState != 255) {
PdfGState gs = fillGState[currentFillGState];
cb.setGState(gs);
}
return true;
}
private boolean checkNewPaint(Paint oldPaint) {
if (paint == oldPaint)
return false;
return !(paint instanceof Color && paint.equals(oldPaint));
}
private void setFillPaint() {
if (checkNewPaint(paintFill)) {
paintFill = paint;
setPaint(false, 0, 0, true);
}
}
private void setStrokePaint() {
if (checkNewPaint(paintStroke)) {
paintStroke = paint;
setPaint(false, 0, 0, false);
}
}
public static BaseColor prepareColor(Color color) {
if (color.getColorSpace().getType() == ColorSpace.TYPE_CMYK) {
float[] comp = color.getColorComponents(null);
return new CMYKColor(comp[0], comp[1], comp[2], comp[3]);
} else {
return new BaseColor(color.getRGB());
}
}
private void setPaint(boolean invert, double xoffset, double yoffset, boolean fill) {
if (paint instanceof Color) {
Color color = (Color)paint;
int alpha = color.getAlpha();
if (fill) {
if (alpha != currentFillGState) {
currentFillGState = alpha;
PdfGState gs = fillGState[alpha];
if (gs == null) {
gs = new PdfGState();
gs.setFillOpacity(alpha / 255f);
fillGState[alpha] = gs;
}
cb.setGState(gs);
}
cb.setColorFill(prepareColor(color));
}
else {
if (alpha != currentStrokeGState) {
currentStrokeGState = alpha;
PdfGState gs = strokeGState[alpha];
if (gs == null) {
gs = new PdfGState();
gs.setStrokeOpacity(alpha / 255f);
strokeGState[alpha] = gs;
}
cb.setGState(gs);
}
cb.setColorStroke(prepareColor(color));
}
}
else if (paint instanceof GradientPaint) {
GradientPaint gp = (GradientPaint)paint;
Point2D p1 = gp.getPoint1();
transform.transform(p1, p1);
Point2D p2 = gp.getPoint2();
transform.transform(p2, p2);
Color c1 = gp.getColor1();
Color c2 = gp.getColor2();
PdfShading shading = PdfShading.simpleAxial(cb.getPdfWriter(), (float)p1.getX(), normalizeY((float)p1.getY()), (float)p2.getX(), normalizeY((float)p2.getY()), new BaseColor(c1.getRGB()), new BaseColor(c2.getRGB()));
PdfShadingPattern pat = new PdfShadingPattern(shading);
if (fill)
cb.setShadingFill(pat);
else
cb.setShadingStroke(pat);
}
else if (paint instanceof TexturePaint) {
try {
TexturePaint tp = (TexturePaint)paint;
BufferedImage img = tp.getImage();
Rectangle2D rect = tp.getAnchorRect();
com.itextpdf.text.Image image = com.itextpdf.text.Image.getInstance(img, null);
PdfPatternPainter pattern = cb.createPattern(image.getWidth(), image.getHeight());
AffineTransform inverse = this.normalizeMatrix();
inverse.translate(rect.getX(), rect.getY());
inverse.scale(rect.getWidth() / image.getWidth(), -rect.getHeight() / image.getHeight());
double[] mx = new double[6];
inverse.getMatrix(mx);
pattern.setPatternMatrix((float)mx[0], (float)mx[1], (float)mx[2], (float)mx[3], (float)mx[4], (float)mx[5]) ;
image.setAbsolutePosition(0,0);
pattern.addImage(image);
if (fill)
cb.setPatternFill(pattern);
else
cb.setPatternStroke(pattern);
} catch (Exception ex) {
if (fill)
cb.setColorFill(BaseColor.GRAY);
else
cb.setColorStroke(BaseColor.GRAY);
}
}
else {
try {
BufferedImage img = null;
int type = BufferedImage.TYPE_4BYTE_ABGR;
if (paint.getTransparency() == Transparency.OPAQUE) {
type = BufferedImage.TYPE_3BYTE_BGR;
}
img = new BufferedImage((int)width, (int)height, type);
Graphics2D g = (Graphics2D)img.getGraphics();
g.transform(transform);
AffineTransform inv = transform.createInverse();
Shape fillRect = new Rectangle2D.Double(0,0,img.getWidth(),img.getHeight());
fillRect = inv.createTransformedShape(fillRect);
g.setPaint(paint);
g.fill(fillRect);
if (invert) {
AffineTransform tx = new AffineTransform();
tx.scale(1,-1);
tx.translate(-xoffset,-yoffset);
g.drawImage(img,tx,null);
}
g.dispose();
g = null;
com.itextpdf.text.Image image = com.itextpdf.text.Image.getInstance(img, null);
PdfPatternPainter pattern = cb.createPattern(width, height);
image.setAbsolutePosition(0,0);
pattern.addImage(image);
if (fill)
cb.setPatternFill(pattern);
else
cb.setPatternStroke(pattern);
} catch (Exception ex) {
if (fill)
cb.setColorFill(BaseColor.GRAY);
else
cb.setColorStroke(BaseColor.GRAY);
}
}
}
private synchronized void waitForImage(java.awt.Image image) {
if (mediaTracker == null)
mediaTracker = new MediaTracker(new PdfGraphics2D.FakeComponent());
mediaTracker.addImage(image, 0);
try {
mediaTracker.waitForID(0);
}
catch (InterruptedException e) {
// empty on purpose
}
mediaTracker.removeImage(image);
}
static private class FakeComponent extends Component {
private static final long serialVersionUID = 6450197945596086638L;
}
/**
* @since 2.0.8
*/
public static class HyperLinkKey extends RenderingHints.Key
{
public static final HyperLinkKey KEY_INSTANCE = new HyperLinkKey(9999);
public static final Object VALUE_HYPERLINKKEY_OFF = "0";
protected HyperLinkKey(int arg0) {
super(arg0);
}
@Override
public boolean isCompatibleValue(Object val)
{
return true;
}
@Override
public String toString()
{
return "HyperLinkKey";
}
}
}