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com.lowagie.text.pdf.PdfGraphics2D Maven / Gradle / Ivy
/*
* Copyright 2002 by Jim Moore .
*
* 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.BasicStroke;
import java.awt.Color;
import java.awt.Component;
import java.awt.Composite;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.Image;
import java.awt.Paint;
import java.awt.GradientPaint;
import java.awt.TexturePaint;
import java.awt.MediaTracker;
import java.awt.Polygon;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.Stroke;
import java.awt.Transparency;
import java.awt.font.FontRenderContext;
import java.awt.font.GlyphVector;
import java.awt.font.TextLayout;
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.PathIterator;
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.awt.RenderingHints.Key;
import java.awt.geom.NoninvertibleTransformException;
import java.awt.geom.Point2D;
import java.text.CharacterIterator;
import java.text.AttributedCharacterIterator;
import java.util.Map;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.ArrayList;
import java.io.ByteArrayOutputStream;
//
import java.util.Set;
import java.util.Iterator;
import java.awt.font.TextAttribute;
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 AffineTransform IDENTITY = new AffineTransform();
private Font font;
private BaseFont baseFont;
private float fontSize;
private AffineTransform transform;
private Paint paint;
private Color background;
private float width;
private float height;
private Area clip;
private RenderingHints rhints = new RenderingHints(null);
private Stroke stroke;
private Stroke originalStroke;
private PdfContentByte cb;
/** Storage for BaseFont objects created. */
private HashMap baseFonts;
private boolean disposeCalled = false;
private FontMapper fontMapper;
private PdfFontMetrics fontMetrics;
private ArrayList kids;
private boolean kid = false;
private Graphics dg2 = new BufferedImage(2, 2, BufferedImage.TYPE_INT_RGB).getGraphics();
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
protected PdfGState fillGState[] = new PdfGState[256];
protected PdfGState strokeGState[] = new PdfGState[256];
protected int currentFillGState = 255;
protected int currentStrokeGState = 255;
public static int AFM_DIVISOR = 1000; // used to calculate coordinates
private boolean convertImagesToJPEG = false;
private float jpegQuality = .95f;
private PdfGraphics2D() {
}
/**
* Constructor for PDFGraphics2D.
*
*/
PdfGraphics2D(PdfContentByte cb, float width, float height, FontMapper fontMapper, boolean onlyShapes, boolean convertImagesToJPEG, float quality) {
super();
try {
Class.forName("com.sun.image.codec.jpeg.JPEGCodec");
}
catch (Throwable t) {
convertImagesToJPEG = false;
}
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();
}
this.kids = new ArrayList();
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)
*/
public void draw(Shape s) {
followPath(s, STROKE);
}
/**
* @see Graphics2D#drawImage(Image, AffineTransform, ImageObserver)
*/
public boolean drawImage(Image img, AffineTransform xform, ImageObserver obs) {
return drawImage(img, null, xform, null, obs);
}
/**
* @see Graphics2D#drawImage(BufferedImage, BufferedImageOp, int, int)
*/
public void drawImage(BufferedImage img, BufferedImageOp op, int x, int y) {
BufferedImage result = op.createCompatibleDestImage(img, img.getColorModel());
result = op.filter(img, result);
drawImage(result, x, y, null);
}
/**
* @see Graphics2D#drawRenderedImage(RenderedImage, AffineTransform)
*/
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 (int i = 0; i < keys.length; i++) {
properties.put(keys[i], img.getProperty(keys[i]));
}
}
BufferedImage result = new BufferedImage(cm, raster, isAlphaPremultiplied, properties);
img.copyData(raster);
image=result;
}
drawImage(image, xform, null);
}
/**
* @see Graphics2D#drawRenderableImage(RenderableImage, AffineTransform)
*/
public void drawRenderableImage(RenderableImage img, AffineTransform xform) {
drawRenderedImage(img.createDefaultRendering(), xform);
}
/**
* @see Graphics#drawString(String, int, int)
*/
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 * (double)i) / (double)AFM_DIVISOR;
}
/**
* This routine goes through the attributes and sets the font
* before calling the actual string drawing routine
* @param iter
*/
protected void doAttributes(AttributedCharacterIterator iter) {
underline = false;
Set set = iter.getAttributes().keySet();
for(Iterator iterator = set.iterator(); iterator.hasNext();) {
TextAttribute textattribute = (TextAttribute)iterator.next();
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.SUPERSCRIPT)) {
/*
iter.getAttributes().get(textattribute);
Integer _tmp = TextAttribute.SUPERSCRIPT_SUPER;
subscript = true;
*/
}
else if(textattribute.equals(TextAttribute.SIZE)) {
Object obj = iter.getAttributes().get(textattribute);
Font font1 = null;
if(obj instanceof Integer) {
int i = ((Integer)obj).intValue();
font1 = getFont().deriveFont(getFont().getStyle(), i);
}
else if(obj instanceof Float) {
float f = ((Float)obj).floatValue();
font1 = getFont().deriveFont(getFont().getStyle(), f);
}
else {
//System.out.println("Unknown type for attribute SIZE");
return;
}
setFont(font1);
}
else {
String s = "only FONT/SIZE/UNDERLINE/SUPERSCRIPT supported";
throw new RuntimeException(s);
}
}
}
/**
* @see Graphics2D#drawString(String, float, float)
*/
public void drawString(String s, float x, float y) {
setFillPaint();
if (onlyShapes) {
TextLayout tl = new TextLayout(s, this.font, new FontRenderContext(new AffineTransform(), false, true));
tl.draw(this, x, y);
}
else {
AffineTransform at = getTransform();
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);
double[] mx = new double[6];
inverse.getMatrix(mx);
cb.beginText();
cb.setFontAndSize(baseFont, fontSize);
cb.setTextMatrix((float)mx[0], (float)mx[1], (float)mx[2], (float)mx[3], (float)mx[4], (float)mx[5]);
cb.showText(s);
cb.endText();
setTransform(at);
if(underline)
{
// These two are supposed to be taken from the .AFM file
int UnderlinePosition = -100;
int UnderlineThickness = 50;
//
FontMetrics fm = getFontMetrics();
double width = fm.stringWidth(s);
double d = asPoints((double)UnderlineThickness, (int)fontSize);
setStroke(new BasicStroke((float)d));
y = (float)((double)(y) + asPoints((double)(-UnderlineThickness), (int)fontSize));
Line2D line = new Line2D.Double((double)x, (double)y, (double)(width+x), (double)y);
draw(line);
}
}
}
/**
* @see Graphics#drawString(AttributedCharacterIterator, int, int)
*/
public void drawString(AttributedCharacterIterator iterator, int x, int y) {
drawString(iterator, (float)x, (float)y);
}
/**
* @see Graphics2D#drawString(AttributedCharacterIterator, float, float)
*/
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)((double)x + fontmetrics.getStringBounds(stringbuffer.toString(), this).getWidth());
stringbuffer.delete(0, stringbuffer.length());
}
doAttributes(iter);
}
stringbuffer.append(c);
}
drawString(stringbuffer.toString(), x, y);
underline = false;
}
/**
* @see Graphics2D#drawGlyphVector(GlyphVector, float, float)
*/
public void drawGlyphVector(GlyphVector g, float x, float y) {
Shape s = g.getOutline(x, y);
fill(s);
}
/**
* @see Graphics2D#fill(Shape)
*/
public void fill(Shape s) {
followPath(s, FILL);
}
/**
* @see Graphics2D#hit(Rectangle, Shape, boolean)
*/
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()
*/
public GraphicsConfiguration getDeviceConfiguration() {
return ((Graphics2D)dg2).getDeviceConfiguration();
}
/**
* @see Graphics2D#setComposite(Composite)
*/
public void setComposite(Composite comp) {
}
/**
* @see Graphics2D#setPaint(Paint)
*/
public void setPaint(Paint paint) {
if (paint == null)
return;
this.paint = paint;
// setPaint(paint, false, 0, 0);
}
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)
*/
public void setStroke(Stroke s) {
originalStroke = s;
this.stroke = transformStroke(s);
}
/**
* Sets a rendering hint
* @param arg0
* @param arg1
*/
public void setRenderingHint(Key arg0, Object arg1) {
rhints.put(arg0, arg1);
}
/**
* @param arg0 a key
* @return the rendering hint
*/
public Object getRenderingHint(Key arg0) {
return rhints.get(arg0);
}
/**
* @see Graphics2D#setRenderingHints(Map)
*/
public void setRenderingHints(Map hints) {
rhints.clear();
rhints.putAll(hints);
}
/**
* @see Graphics2D#addRenderingHints(Map)
*/
public void addRenderingHints(Map hints) {
rhints.putAll(hints);
}
/**
* @see Graphics2D#getRenderingHints()
*/
public RenderingHints getRenderingHints() {
return rhints;
}
/**
* @see Graphics#translate(int, int)
*/
public void translate(int x, int y) {
translate((double)x, (double)y);
}
/**
* @see Graphics2D#translate(double, double)
*/
public void translate(double tx, double ty) {
transform.translate(tx,ty);
}
/**
* @see Graphics2D#rotate(double)
*/
public void rotate(double theta) {
transform.rotate(theta);
}
/**
* @see Graphics2D#rotate(double, double, double)
*/
public void rotate(double theta, double x, double y) {
transform.rotate(theta, x, y);
}
/**
* @see Graphics2D#scale(double, double)
*/
public void scale(double sx, double sy) {
transform.scale(sx, sy);
this.stroke = transformStroke(originalStroke);
}
/**
* @see Graphics2D#shear(double, double)
*/
public void shear(double shx, double shy) {
transform.shear(shx, shy);
}
/**
* @see Graphics2D#transform(AffineTransform)
*/
public void transform(AffineTransform tx) {
transform.concatenate(tx);
this.stroke = transformStroke(originalStroke);
}
/**
* @see Graphics2D#setTransform(AffineTransform)
*/
public void setTransform(AffineTransform t) {
transform = new AffineTransform(t);
this.stroke = transformStroke(originalStroke);
}
/**
* @see Graphics2D#getTransform()
*/
public AffineTransform getTransform() {
return new AffineTransform(transform);
}
/**
* @see Graphics2D#getPaint()
*/
public Paint getPaint() {
return paint;
}
/**
* @see Graphics2D#getComposite()
*/
public Composite getComposite() {
return null;
}
/**
* @see Graphics2D#setBackground(Color)
*/
public void setBackground(Color color) {
background = color;
}
/**
* @see Graphics2D#getBackground()
*/
public Color getBackground() {
return background;
}
/**
* @see Graphics2D#getStroke()
*/
public Stroke getStroke() {
return originalStroke;
}
/**
* @see Graphics2D#getFontRenderContext()
*/
public FontRenderContext getFontRenderContext() {
return new FontRenderContext(null, true, true);
}
/**
* @see Graphics#create()
*/
public Graphics create() {
PdfGraphics2D g2 = new PdfGraphics2D();
g2.onlyShapes = this.onlyShapes;
g2.transform = new AffineTransform(this.transform);
g2.baseFonts = this.baseFonts;
g2.fontMapper = this.fontMapper;
g2.kids = this.kids;
g2.paint = this.paint;
g2.fillGState = this.fillGState;
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.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;
synchronized (kids) {
kids.add(g2);
}
return g2;
}
public PdfContentByte getContent() {
return this.cb;
}
/**
* @see Graphics#getColor()
*/
public Color getColor() {
if (paint instanceof Color) {
return (Color)paint;
} else {
return Color.black;
}
}
/**
* @see Graphics#setColor(Color)
*/
public void setColor(Color color) {
setPaint(color);
}
/**
* @see Graphics#setPaintMode()
*/
public void setPaintMode() {}
/**
* @see Graphics#setXORMode(Color)
*/
public void setXORMode(Color c1) {
}
/**
* @see Graphics#getFont()
*/
public Font getFont() {
return font;
}
/**
* @see Graphics#setFont(Font)
*/
/**
* Sets the current font.
*/
public void setFont(Font f) {
if (f == null)
return;
if (onlyShapes) {
font = f;
return;
}
if (f == font)
return;
fontMetrics = null;
font = f;
fontSize = f.getSize2D();
baseFont = getCachedBaseFont(f);
}
private BaseFont getCachedBaseFont(Font f) {
synchronized (baseFonts) {
BaseFont bf = (BaseFont)baseFonts.get(f.getFontName());
if (bf == null) {
bf = fontMapper.awtToPdf(f);
baseFonts.put(f.getFontName(), bf);
}
return bf;
}
}
/**
* @see Graphics#getFontMetrics(Font)
*/
public FontMetrics getFontMetrics(Font f) {
if (onlyShapes) {
return dg2.getFontMetrics(f);
}
if (f == font) {
if (fontMetrics == null)
fontMetrics = new PdfFontMetrics(f, getCachedBaseFont(f));
return fontMetrics;
}
return new PdfFontMetrics(f, getCachedBaseFont(f));
}
/**
* @see Graphics#getClipBounds()
*/
public Rectangle getClipBounds() {
if (clip == null)
return null;
return getClip().getBounds();
}
/**
* @see Graphics#clipRect(int, int, int, int)
*/
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)
*/
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)
*/
public void clip(Shape s) {
if (s != null)
s = transform.createTransformedShape(s);
if (clip == null)
clip = new Area(s);
else
clip.intersect(new Area(s));
followPath(s, CLIP);
}
/**
* @see Graphics#getClip()
*/
public Shape getClip() {
try {
return transform.createInverse().createTransformedShape(clip);
}
catch (NoninvertibleTransformException e) {
return null;
}
}
/**
* @see Graphics#setClip(Shape)
*/
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 = 255;
oldStroke = strokeOne;
}
/**
* @see Graphics#copyArea(int, int, int, int, int, int)
*/
public void copyArea(int x, int y, int width, int height, int dx, int dy) {
}
/**
* @see Graphics#drawLine(int, int, int, int)
*/
public void drawLine(int x1, int y1, int x2, int y2) {
Line2D line = new Line2D.Double((double)x1, (double)y1, (double)x2, (double)y2);
draw(line);
}
/**
* @see Graphics#fillRect(int, int, int, int)
*/
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)
*/
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)
*/
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)
*/
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)
*/
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)
*/
public void drawOval(int x, int y, int width, int height) {
Ellipse2D oval = new Ellipse2D.Float((float)x, (float)y, (float)width, (float)height);
draw(oval);
}
/**
* @see Graphics#fillOval(int, int, int, int)
*/
public void fillOval(int x, int y, int width, int height) {
Ellipse2D oval = new Ellipse2D.Float((float)x, (float)y, (float)width, (float)height);
fill(oval);
}
/**
* @see Graphics#drawArc(int, int, int, int, int, int)
*/
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)
*/
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)
*/
public void drawPolyline(int[] x, int[] y, int nPoints) {
Line2D line = new Line2D.Double(x[0],y[0],x[0],y[0]);
for (int i = 1; i < nPoints; i++) {
line.setLine(line.getX2(), line.getY2(), x[i], y[i]);
draw(line);
}
}
/**
* @see Graphics#drawPolygon(int[], int[], int)
*/
public void drawPolygon(int[] xPoints, int[] yPoints, int nPoints) {
Polygon poly = new Polygon();
for (int i = 0; i < nPoints; i++) {
poly.addPoint(xPoints[i], yPoints[i]);
}
draw(poly);
}
/**
* @see Graphics#fillPolygon(int[], int[], int)
*/
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)
*/
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)
*/
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)
*/
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)
*/
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)
*/
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)
*/
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);
return true;
}
/**
* @see Graphics#dispose()
*/
public void dispose() {
if (kid)
return;
if (!disposeCalled) {
disposeCalled = true;
cb.restoreState();
cb.restoreState();
for (int k = 0; k < kids.size(); ++k) {
PdfGraphics2D g2 = (PdfGraphics2D)kids.get(k);
g2.cb.restoreState();
g2.cb.restoreState();
cb.add(g2.cb);
}
}
}
///////////////////////////////////////////////
//
//
// 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;
if (drawType == CLIP)
points = s.getPathIterator(IDENTITY);
else
points = s.getPathIterator(transform);
float[] coords = new float[6];
int traces = 0;
while(!points.isDone()) {
++traces;
int segtype = points.currentSegment(coords);
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]);
}
private 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) return true;
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.lowagie.text.Image image = null;
if(!convertImagesToJPEG){
image = com.lowagie.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();
com.sun.image.codec.jpeg.JPEGImageEncoder encoder = com.sun.image.codec.jpeg.JPEGCodec.createJPEGEncoder(baos);
com.sun.image.codec.jpeg.JPEGEncodeParam param = com.sun.image.codec.jpeg.JPEGCodec.getDefaultJPEGEncodeParam(scaled);
param.setQuality(jpegQuality, true);
encoder.encode(scaled, param);
scaled.flush();
scaled = null;
image = com.lowagie.text.Image.getInstance(baos.toByteArray());
}
if (mask!=null) {
com.lowagie.text.Image msk = com.lowagie.text.Image.getInstance(mask, null, true);
msk.makeMask();
msk.setInvertMask(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]);
} catch (Exception ex) {
throw new IllegalArgumentException();
}
if (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);
}
}
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((float)alpha / 255f);
fillGState[alpha] = gs;
}
cb.setGState(gs);
}
cb.setColorFill(color);
}
else {
if (alpha != currentStrokeGState) {
currentStrokeGState = alpha;
PdfGState gs = strokeGState[alpha];
if (gs == null) {
gs = new PdfGState();
gs.setStrokeOpacity((float)alpha / 255f);
strokeGState[alpha] = gs;
}
cb.setGState(gs);
}
cb.setColorStroke(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()), c1, c2);
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.lowagie.text.Image image = com.lowagie.text.Image.getInstance(img, null);
PdfPatternPainter pattern = cb.createPattern(image.width(), image.height());
AffineTransform inverse = this.normalizeMatrix();
inverse.scale(rect.getWidth() / image.width(), -rect.getHeight() / image.height());
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(Color.gray);
else
cb.setColorStroke(Color.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);
}
com.lowagie.text.Image image = com.lowagie.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(Color.gray);
else
cb.setColorStroke(Color.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);
}
///////////////////////////////////////////////
//
//
// PdfFontMetrics class
//
//
static class PdfFontMetrics extends FontMetrics {
private BaseFont bf;
private float fontSize;
private double ascent = -1;
private double descent = -1;
private double leading = -1;
private double maxAdvance = -1;
private int widths[];
private double scaleX;
private double scaleY;
private PdfFontMetrics(Font f, BaseFont bf) {
super(f);
this.bf = bf;
this.fontSize = f.getSize2D();
AffineTransform af = f.getTransform();
scaleX = af.getScaleX();
scaleY = af.getScaleY();
}
public int getAscent() {
if (ascent < 0)
ascent = bf.getFontDescriptor(BaseFont.AWT_ASCENT, fontSize) * scaleY;
return (int)(0.9999 + ascent * 1.1);
}
public int getDescent() {
if (descent < 0)
descent = -bf.getFontDescriptor(BaseFont.AWT_DESCENT, fontSize) * scaleY;
return (int)(0.9999 + descent);
}
public int getLeading() {
if (leading < 0)
leading = bf.getFontDescriptor(BaseFont.AWT_LEADING, fontSize) * scaleY;
return (int)(0.9999 + leading);
}
public int getMaxAdvance() {
if (maxAdvance < 0)
maxAdvance = bf.getFontDescriptor(BaseFont.AWT_MAXADVANCE, fontSize) * scaleX;
return (int)(0.9999 + maxAdvance);
}
public int[] getWidths() {
if (widths == null) {
widths = new int[256];
for (char ch = 0 ; ch < 256 ; ch++) {
widths[ch] = charWidth(ch);
}
}
return widths;
}
public int charWidth(char c) {
return (int)(bf.getWidthPoint(c, fontSize) * scaleX);
}
public int stringWidth(String s) {
return (int)(bf.getWidthPoint(s, fontSize) * scaleX);
}
/**
* Returns the bounds of the specified String in the
* specified Graphics context. The bounds is used
* to layout the String.
* @param str the specified String
* @param context the specified Graphics context
* @return a {@link Rectangle2D} that is the bounding box of the
* specified String in the specified
* Graphics context.
* @see java.awt.Font#getStringBounds(String, FontRenderContext)
*/
public Rectangle2D getStringBounds( String str, Graphics context) {
char[] array = str.toCharArray();
return getStringBounds(array, 0, array.length, context);
}
/**
* Returns the bounds of the specified String in the
* specified Graphics context. The bounds is used
* to layout the String.
* @param str the specified String
* @param beginIndex the offset of the beginning of str
* @param limit the length of str
* @param context the specified Graphics context
* @return a Rectangle2D that is the bounding box of the
* specified String in the specified
* Graphics context.
* @see java.awt.Font#getStringBounds(String, int, int, FontRenderContext)
*/
public Rectangle2D getStringBounds( String str, int beginIndex, int limit,
Graphics context) {
String substr = str.substring(beginIndex, limit);
return getStringBounds(substr, context);
}
/**
* Returns the bounds of the specified array of characters
* in the specified Graphics context.
* The bounds is used to layout the String
* created with the specified array of characters,
* beginIndex and limit.
* @param chars an array of characters
* @param beginIndex the initial offset of the array of
* characters
* @param limit the length of the array of characters
* @param context the specified Graphics context
* @return a Rectangle2D that is the bounding box of the
* specified character array in the specified
* Graphics context.
* @see java.awt.Font#getStringBounds(char[], int, int, FontRenderContext)
*/
public Rectangle2D getStringBounds(char chars[], int beginIndex, int limit, Graphics context) {
if (beginIndex < 0) {
throw new IndexOutOfBoundsException("beginIndex: " + beginIndex);
}
if (limit > chars.length) {
throw new IndexOutOfBoundsException("limit: " + limit);
}
if (beginIndex > limit) {
throw new IndexOutOfBoundsException("range length: " + (limit - beginIndex));
}
String str = new String(chars, beginIndex, limit - beginIndex);
return new Rectangle2D.Float(0, -getAscent(), (float)(bf.getWidthPoint(str, fontSize) * scaleX), getHeight());
}
/**
* Returns the bounds of the characters indexed in the specified
* CharacterIterator in the
* specified Graphics context.
* @param ci the specified CharacterIterator
* @param beginIndex the initial offset in ci
* @param limit the end index of ci
* @param context the specified Graphics context
* @return a Rectangle2D that is the bounding box of the
* characters indexed in the specified CharacterIterator
* in the specified Graphics context.
* @see java.awt.Font#getStringBounds(CharacterIterator, int, int, FontRenderContext)
*/
public Rectangle2D getStringBounds(CharacterIterator ci, int beginIndex, int limit, Graphics context) {
int start = ci.getBeginIndex();
int end = ci.getEndIndex();
if (beginIndex < start) {
throw new IndexOutOfBoundsException("beginIndex: " + beginIndex);
}
if (limit > end) {
throw new IndexOutOfBoundsException("limit: " + limit);
}
if (beginIndex > limit) {
throw new IndexOutOfBoundsException("range length: " + (limit - beginIndex));
}
char[] arr = new char[limit - beginIndex];
ci.setIndex(beginIndex);
for(int idx = 0; idx < arr.length; idx++) {
arr[idx] = ci.current();
ci.next();
}
return getStringBounds(arr,0,arr.length,context);
}
/**
* Returns the bounds for the character with the maximum bounds
* in the specified Graphics context.
* @param context the specified Graphics context
* @return a Rectangle2D that is the
* bounding box for the character with the maximum bounds.
* @see java.awt.Font#getMaxCharBounds(FontRenderContext)
*/
public Rectangle2D getMaxCharBounds(Graphics context) {
return getStringBounds("M", context);
}
}
static private class fakeComponent extends Component {
}
}
