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JFreeChart is a class library, written in Java, for generating charts.
Utilising the Java2D APIs, it currently supports bar charts, pie charts,
line charts, XY-plots and time series plots.
/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2006, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jfreechart/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------------
* SWTGraphics2D.java
* ------------------
* (C) Copyright 2006, by Henry Proudhon and Contributors.
*
* Original Author: Henry Proudhon (henry.proudhon AT insa-lyon.fr);
* Contributor(s):
*
* Changes
* -------
* 14-Jun-2006 : New class (HP);
* 29-Jan-2007 : fixed the fillRect method (HP);
* 31-Jan-2007 : moved the dummy JPanel to SWTUtils.java,
* implemented the drawLine method (HP);
*/
package org.jfree.experimental.swt;
import java.awt.BasicStroke;
import java.awt.Color;
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.Rectangle;
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.Stroke;
import java.awt.RenderingHints.Key;
import java.awt.font.FontRenderContext;
import java.awt.font.GlyphVector;
import java.awt.geom.AffineTransform;
import java.awt.geom.PathIterator;
import java.awt.image.BufferedImage;
import java.awt.image.BufferedImageOp;
import java.awt.image.DirectColorModel;
import java.awt.image.ImageObserver;
import java.awt.image.IndexColorModel;
import java.awt.image.RenderedImage;
import java.awt.image.WritableRaster;
import java.awt.image.renderable.RenderableImage;
import java.text.AttributedCharacterIterator;
import java.util.Map;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.PaletteData;
import org.eclipse.swt.graphics.Path;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.graphics.Transform;
/**
* This is a class utility to draw Graphics2D stuff on a swt composite.
* It is presently developed to use JFreeChart with the Standard
* Widget Toolkit but may be of a wider use later.
*/
public class SWTGraphics2D extends Graphics2D {
/** The swt graphic composite */
private GC gc;
/**
* Creates a new instance.
*
* @param gc the graphics context.
*/
public SWTGraphics2D(GC gc) {
super();
this.gc = gc;
}
/**
* Perform a switch between foreground and background
* color of gc. This is needed for consistency with
* the awt behaviour, and is required notably for the
* filling methods.
*/
private void switchColors() {
org.eclipse.swt.graphics.Color bg = gc.getBackground();
org.eclipse.swt.graphics.Color fg = gc.getForeground();
gc.setBackground(fg);
gc.setForeground(bg);
}
/**
* Converts an AWT Shape into a SWT Path.
*
* @param shape the shape.
*
* @return The path.
*/
private Path toSwtPath(Shape shape) {
int type;
float[] coords = new float[6];
Path path = new Path(this.gc.getDevice());
PathIterator pit = shape.getPathIterator(null);
while (!pit.isDone()) {
type = pit.currentSegment(coords);
switch (type) {
case (PathIterator.SEG_MOVETO):
path.moveTo(coords[0], coords[1]);
break;
case (PathIterator.SEG_LINETO):
path.lineTo(coords[0], coords[1]);
break;
case (PathIterator.SEG_QUADTO):
path.quadTo(coords[0], coords[1], coords[2], coords[3]);
break;
case (PathIterator.SEG_CUBICTO):
path.cubicTo(coords[0], coords[1], coords[2],
coords[3], coords[4], coords[5]);
break;
case (PathIterator.SEG_CLOSE):
path.close();
break;
default:
break;
}
pit.next();
}
return path;
}
/**
* Converts an AWT transform into the equivalent SWT transform.
*
* @param awtTransform the AWT transform.
*
* @return The SWT transform.
*/
private Transform toSwtTransform(AffineTransform awtTransform) {
Transform t = new Transform(gc.getDevice());
double[] matrix = new double[6];
awtTransform.getMatrix(matrix);
t.setElements((float) matrix[0], (float) matrix[1],
(float) matrix[2], (float) matrix[3],
(float) matrix[4], (float) matrix[5]);
return t;
}
/**
* Converts an SWT transform into the equivalent AWT transform.
*
* @param swtTransform the SWT transform.
*
* @return The AWT transform.
*/
private AffineTransform toAwtTransform(Transform swtTransform) {
float[] elements = new float[6];
swtTransform.getElements(elements);
AffineTransform awtTransform = new AffineTransform(elements);
return awtTransform;
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#draw(java.awt.Shape)
*/
public void draw(Shape shape) {
Path path = toSwtPath(shape);
gc.drawPath(path);
path.dispose();
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#drawImage(java.awt.Image,
* java.awt.geom.AffineTransform, java.awt.image.ImageObserver)
*/
public boolean drawImage(Image image, AffineTransform xform,
ImageObserver obs) {
// TODO Auto-generated method stub
return false;
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#drawImage(java.awt.image.BufferedImage,
* java.awt.image.BufferedImageOp, int, int)
*/
public void drawImage(BufferedImage image, BufferedImageOp op, int x,
int y) {
org.eclipse.swt.graphics.Image im
= new org.eclipse.swt.graphics.Image(gc.getDevice(),
convertToSWT(image));
gc.drawImage(im, x, y);
im.dispose();
}
/**
* Draws an image at (x, y).
*
* @param image the image.
* @param x the x-coordinate.
* @param y the y-coordinate.
*/
public void drawImage(org.eclipse.swt.graphics.Image image, int x, int y) {
gc.drawImage(image, x, y);
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#drawRenderedImage(java.awt.image.RenderedImage,
* java.awt.geom.AffineTransform)
*/
public void drawRenderedImage(RenderedImage image, AffineTransform xform) {
// TODO Auto-generated method stub
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#drawRenderableImage(
* java.awt.image.renderable.RenderableImage, java.awt.geom.AffineTransform)
*/
public void drawRenderableImage(RenderableImage image,
AffineTransform xform) {
// TODO Auto-generated method stub
}
/**
* Draws a string on the receiver. note that
* to be consistent with the awt method,
* the y has to be modified with the ascent of the font.
*
* @see java.awt.Graphics#drawString(java.lang.String, int, int)
*/
public void drawString(String text, int x, int y) {
float fm = gc.getFontMetrics().getAscent();
gc.drawString(text, x, (int) (y - fm), true);
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#drawString(java.lang.String, float, float)
*/
public void drawString(String text, float x, float y) {
float fm = gc.getFontMetrics().getAscent();
gc.drawString(text, (int) x, (int) ( y - fm ), true);
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#drawString(
* java.text.AttributedCharacterIterator, int, int)
*/
public void drawString(AttributedCharacterIterator iterator, int x, int y) {
// TODO Auto-generated method stub
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#drawString(
* java.text.AttributedCharacterIterator, float, float)
*/
public void drawString(AttributedCharacterIterator iterator, float x,
float y) {
// TODO Auto-generated method stub
}
/** fill an arbitrary shape on the swt graphic composite
* with the current stroke and paint.
* note that for consistency with the awt method, it is needed
* to switch temporarily the foreground and background colors.
* @see java.awt.Graphics2D#fill(java.awt.Shape)
*/
public void fill(Shape shape) {
Path path = toSwtPath(shape);
switchColors();
this.gc.fillPath(path);
switchColors();
path.dispose();
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#hit(java.awt.Rectangle, java.awt.Shape, boolean)
*/
public boolean hit(Rectangle rect, Shape text, boolean onStroke) {
// TODO Auto-generated method stub
return false;
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#getDeviceConfiguration()
*/
public GraphicsConfiguration getDeviceConfiguration() {
// TODO Auto-generated method stub
return null;
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#setComposite(java.awt.Composite)
*/
public void setComposite(Composite comp) {
// TODO Auto-generated method stub
}
/**
* Set the paint associated with the swt graphic composite.
* @see java.awt.Graphics2D#setPaint(java.awt.Paint)
*/
public void setPaint(Paint paint) {
if (paint instanceof Color) {
setColor((Color) paint);
}
else {
throw new RuntimeException("Can only handle 'Color' at present.");
}
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#setStroke(java.awt.Stroke)
*/
public void setStroke(Stroke stroke) {
if (stroke instanceof BasicStroke) {
BasicStroke bs = (BasicStroke) stroke;
// linewidth
gc.setLineWidth((int) bs.getLineWidth());
// line join
switch (bs.getLineJoin()) {
case BasicStroke.JOIN_BEVEL :
gc.setLineJoin(SWT.JOIN_BEVEL);
break;
case BasicStroke.JOIN_MITER :
gc.setLineJoin(SWT.JOIN_MITER);
break;
case BasicStroke.JOIN_ROUND :
gc.setLineJoin(SWT.JOIN_ROUND);
break;
}
// line cap
switch (bs.getEndCap()) {
case BasicStroke.CAP_BUTT :
gc.setLineCap(SWT.CAP_FLAT);
break;
case BasicStroke.CAP_ROUND :
gc.setLineCap(SWT.CAP_ROUND);
break;
case BasicStroke.CAP_SQUARE :
gc.setLineCap(SWT.CAP_SQUARE);
break;
}
// set the line style to solid by default
gc.setLineStyle(SWT.LINE_SOLID);
// apply dash style if any
float[] dashes = bs.getDashArray();
if (dashes != null) {
int[] swtDashes = new int[dashes.length];
for (int i = 0; i < swtDashes.length; i++) {
swtDashes[i] = (int) dashes[i];
}
gc.setLineDash(swtDashes);
}
}
else {
throw new RuntimeException(
"Can only handle 'Basic Stroke' at present.");
}
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#setRenderingHint(java.awt.RenderingHints.Key,
* java.lang.Object)
*/
public void setRenderingHint(Key hintKey, Object hintValue) {
// TODO Auto-generated method stub
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#getRenderingHint(java.awt.RenderingHints.Key)
*/
public Object getRenderingHint(Key hintKey) {
// TODO Auto-generated method stub
return null;
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#setRenderingHints(java.util.Map)
*/
public void setRenderingHints(Map hints) {
// TODO Auto-generated method stub
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#addRenderingHints(java.util.Map)
*/
public void addRenderingHints(Map hints) {
// TODO Auto-generated method stub
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#getRenderingHints()
*/
public RenderingHints getRenderingHints() {
// TODO Auto-generated method stub
return null;
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#translate(int, int)
*/
public void translate(int x, int y) {
Transform swtTransform = new Transform(gc.getDevice());
gc.getTransform(swtTransform);
swtTransform.translate(x, y);
gc.setTransform(swtTransform);
swtTransform.dispose();
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#translate(double, double)
*/
public void translate(double tx, double ty) {
translate((int) tx, (int) ty);
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#rotate(double)
*/
public void rotate(double theta) {
Transform swtTransform = new Transform(gc.getDevice());
gc.getTransform(swtTransform);
swtTransform.rotate( (float) (theta * 180 / Math.PI));
gc.setTransform(swtTransform);
swtTransform.dispose();
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#rotate(double, double, double)
*/
public void rotate(double theta, double x, double y) {
// TODO Auto-generated method stub
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#scale(double, double)
*/
public void scale(double scaleX, double scaleY) {
Transform swtTransform = new Transform(gc.getDevice());
gc.getTransform(swtTransform);
swtTransform.scale((float) scaleX, (float) scaleY);
gc.setTransform(swtTransform);
swtTransform.dispose();
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#shear(double, double)
*/
public void shear(double shearX, double shearY) {
Transform swtTransform = new Transform(gc.getDevice());
gc.getTransform(swtTransform);
Transform shear = new Transform(gc.getDevice(), 1f, (float) shearX,
(float) shearY, 1f, 0, 0);
swtTransform.multiply(shear);
gc.setTransform(swtTransform);
swtTransform.dispose();
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#transform(java.awt.geom.AffineTransform)
*/
public void transform(AffineTransform Tx) {
Transform swtTransform = new Transform(gc.getDevice());
gc.getTransform(swtTransform);
swtTransform.multiply(toSwtTransform(Tx));
gc.setTransform(swtTransform);
swtTransform.dispose();
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#setTransform(java.awt.geom.AffineTransform)
*/
public void setTransform(AffineTransform Tx) {
gc.setTransform(toSwtTransform(Tx));
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#getTransform()
*/
public AffineTransform getTransform() {
Transform swtTransform = new Transform(gc.getDevice());
gc.getTransform(swtTransform);
return toAwtTransform(swtTransform);
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#getPaint()
*/
public Paint getPaint() {
return SWTUtils.toAwtColor(gc.getForeground());
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#getComposite()
*/
public Composite getComposite() {
// TODO Auto-generated method stub
return null;
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#setBackground(java.awt.Color)
*/
public void setBackground(Color color) {
//TODO do we need this? gc.getBackground().dispose();
gc.setBackground(SWTUtils.toSwtColor(gc.getDevice(), color));
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#getBackground()
*/
public Color getBackground() {
return SWTUtils.toAwtColor(gc.getBackground());
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#getStroke()
*/
public Stroke getStroke() {
return new BasicStroke(gc.getLineWidth(), gc.getLineCap(),
gc.getLineJoin());
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#clip(java.awt.Shape)
*/
public void clip(Shape s) {
Path path = toSwtPath(s);
gc.setClipping(path);
path.dispose();
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#getFontRenderContext()
*/
public FontRenderContext getFontRenderContext() {
FontRenderContext fontRenderContext
= new FontRenderContext(new AffineTransform(), true, true);
return fontRenderContext;
}
/* (non-Javadoc)
* @see java.awt.Graphics2D#drawGlyphVector(java.awt.font.GlyphVector,
* float, float)
*/
public void drawGlyphVector(GlyphVector g, float x, float y) {
// TODO Auto-generated method stub
}
/* (non-Javadoc)
* @see java.awt.Graphics#create()
*/
public Graphics create() {
// TODO Auto-generated method stub
return null;
}
/* (non-Javadoc)
* @see java.awt.Graphics#getColor()
*/
public Color getColor() {
return SWTUtils.toAwtColor(gc.getForeground());
}
/* (non-Javadoc)
* @see java.awt.Graphics#setColor(java.awt.Color)
*/
public void setColor(Color color) {
//TODO do we need this? gc.getForeground().dispose();
gc.setForeground(SWTUtils.toSwtColor( gc.getDevice(), color));
}
/* (non-Javadoc)
* @see java.awt.Graphics#setPaintMode()
*/
public void setPaintMode() {
// TODO Auto-generated method stub
}
/* (non-Javadoc)
* @see java.awt.Graphics#setXORMode(java.awt.Color)
*/
public void setXORMode(Color color) {
// TODO Auto-generated method stub
}
/**
* Returns the font in form of an awt font created
* with the parameters of the font of the swt graphic
* composite.
* @see java.awt.Graphics#getFont()
*/
public Font getFont() {
// retrieve the swt font description in an os indept way
FontData[] fontData = gc.getFont().getFontData();
// create a new awt font with the appropiate data
return SWTUtils.toAwtFont(gc.getDevice(), fontData[0], true);
}
/**
* Set the font swt graphic composite from the specified
* awt font. Be careful that the newly created swt font
* must be disposed separately.
* @see java.awt.Graphics#setFont(java.awt.Font)
*/
public void setFont(Font font) {
//TODO do we need this? gc.getFont().dispose();
org.eclipse.swt.graphics.Font swtFont
= new org.eclipse.swt.graphics.Font(
gc.getDevice(),
SWTUtils.toSwtFontData(gc.getDevice(), font, true));
gc.setFont( swtFont );
}
/* (non-Javadoc)
* @see java.awt.Graphics#getFontMetrics(java.awt.Font)
*/
public FontMetrics getFontMetrics(Font font) {
return SWTUtils.DUMMY_PANEL.getFontMetrics(font);
}
/* (non-Javadoc)
* @see java.awt.Graphics#getClipBounds()
*/
public Rectangle getClipBounds() {
org.eclipse.swt.graphics.Rectangle clip = gc.getClipping();
return new Rectangle(clip.x, clip.y, clip.width, clip.height);
}
/* (non-Javadoc)
* @see java.awt.Graphics#clipRect(int, int, int, int)
*/
public void clipRect(int x, int y, int width, int height) {
org.eclipse.swt.graphics.Rectangle clip = gc.getClipping();
clip.intersects(x, y, width, height);
gc.setClipping(clip);
}
/* (non-Javadoc)
* @see java.awt.Graphics#setClip(int, int, int, int)
*/
public void setClip(int x, int y, int width, int height) {
gc.setClipping(x, y, width, height);
}
/* (non-Javadoc)
* @see java.awt.Graphics#getClip()
*/
public Shape getClip() {
// TODO Auto-generated method stub
return null;
}
/* (non-Javadoc)
* @see java.awt.Graphics#setClip(java.awt.Shape)
*/
public void setClip(Shape clip) {
if (clip == null)
return;
Path clipPath = toSwtPath(clip);
gc.setClipping(clipPath);
clipPath.dispose();
}
/* (non-Javadoc)
* @see java.awt.Graphics#copyArea(int, int, int, int, int, int)
*/
public void copyArea(int x, int y, int width, int height, int dx, int dy) {
// TODO Auto-generated method stub
}
/**
* Draws a line on the swt graphic composite.
* @see java.awt.Graphics#drawLine(int, int, int, int)
*/
public void drawLine(int x1, int y1, int x2, int y2) {
gc.drawLine(x1, y1, x2, y2);
}
/**
* Fill a rectangle area on the swt graphic composite.
* The fillRectangle method of the GC
* class uses the background color so we must switch colors.
* @see java.awt.Graphics#fillRect(int, int, int, int)
*/
public void fillRect(int x, int y, int width, int height) {
this.switchColors();
gc.fillRectangle(x, y, width, height);
this.switchColors();
}
/* (non-Javadoc)
* @see java.awt.Graphics#clearRect(int, int, int, int)
*/
public void clearRect(int x, int y, int width, int height) {
// TODO Auto-generated method stub
}
/* (non-Javadoc)
* @see java.awt.Graphics#drawRoundRect(int, int, int, int, int, int)
*/
public void drawRoundRect(int x, int y, int width, int height,
int arcWidth, int arcHeight) {
// TODO Auto-generated method stub
}
/* (non-Javadoc)
* @see java.awt.Graphics#fillRoundRect(int, int, int, int, int, int)
*/
public void fillRoundRect(int x, int y, int width, int height,
int arcWidth, int arcHeight) {
// TODO Auto-generated method stub
}
/* (non-Javadoc)
* @see java.awt.Graphics#drawOval(int, int, int, int)
*/
public void drawOval(int x, int y, int width, int height) {
// TODO Auto-generated method stub
}
/* (non-Javadoc)
* @see java.awt.Graphics#fillOval(int, int, int, int)
*/
public void fillOval(int x, int y, int width, int height) {
// TODO Auto-generated method stub
}
/* (non-Javadoc)
* @see java.awt.Graphics#drawArc(int, int, int, int, int, int)
*/
public void drawArc(int x, int y, int width, int height, int arcStart,
int arcAngle) {
// TODO Auto-generated method stub
}
/* (non-Javadoc)
* @see java.awt.Graphics#fillArc(int, int, int, int, int, int)
*/
public void fillArc(int x, int y, int width, int height, int arcStart,
int arcAngle) {
// TODO Auto-generated method stub
}
/* (non-Javadoc)
* @see java.awt.Graphics#drawPolyline(int[], int[], int)
*/
public void drawPolyline(int [] xPoints, int [] yPoints, int npoints) {
// TODO Auto-generated method stub
}
/* (non-Javadoc)
* @see java.awt.Graphics#drawPolygon(int[], int[], int)
*/
public void drawPolygon(int [] xPoints, int [] yPoints, int npoints) {
// TODO Auto-generated method stub
}
/* (non-Javadoc)
* @see java.awt.Graphics#fillPolygon(int[], int[], int)
*/
public void fillPolygon(int [] xPoints, int [] yPoints, int npoints) {
// TODO Auto-generated method stub
}
/* (non-Javadoc)
* @see java.awt.Graphics#drawImage(java.awt.Image, int, int,
* java.awt.image.ImageObserver)
*/
public boolean drawImage(Image image, int x, int y,
ImageObserver observer) {
// TODO Auto-generated method stub
return false;
}
/* (non-Javadoc)
* @see java.awt.Graphics#drawImage(java.awt.Image, int, int, int, int,
* java.awt.image.ImageObserver)
*/
public boolean drawImage(Image image, int x, int y, int width, int height,
ImageObserver observer) {
// TODO Auto-generated method stub
return false;
}
/* (non-Javadoc)
* @see java.awt.Graphics#drawImage(java.awt.Image, int, int,
* java.awt.Color, java.awt.image.ImageObserver)
*/
public boolean drawImage(Image image, int x, int y, Color bgcolor,
ImageObserver observer) {
// TODO Auto-generated method stub
return false;
}
/* (non-Javadoc)
* @see java.awt.Graphics#drawImage(java.awt.Image, int, int, int, int,
* java.awt.Color, java.awt.image.ImageObserver)
*/
public boolean drawImage(Image image, int x, int y, int width, int height,
Color bgcolor, ImageObserver observer) {
// TODO Auto-generated method stub
return false;
}
/* (non-Javadoc)
* @see java.awt.Graphics#drawImage(java.awt.Image, int, int, int, int,
* int, int, int, int, java.awt.image.ImageObserver)
*/
public boolean drawImage(Image image, int dx1, int dy1, int dx2, int dy2,
int sx1, int sy1, int sx2, int sy2, ImageObserver observer) {
// TODO Auto-generated method stub
return false;
}
/* (non-Javadoc)
* @see java.awt.Graphics#drawImage(java.awt.Image, int, int, int, int,
* int, int, int, int, java.awt.Color, java.awt.image.ImageObserver)
*/
public boolean drawImage(Image image, int dx1, int dy1, int dx2, int dy2,
int sx1, int sy1, int sx2, int sy2, Color bgcolor,
ImageObserver observer) {
// TODO Auto-generated method stub
return false;
}
/* (non-Javadoc)
* @see java.awt.Graphics#dispose()
*/
public void dispose() {
gc.dispose();
}
static ImageData convertToSWT(BufferedImage bufferedImage) {
if (bufferedImage.getColorModel() instanceof DirectColorModel) {
DirectColorModel colorModel
= (DirectColorModel) bufferedImage.getColorModel();
PaletteData palette = new PaletteData(colorModel.getRedMask(),
colorModel.getGreenMask(), colorModel.getBlueMask());
ImageData data = new ImageData(bufferedImage.getWidth(),
bufferedImage.getHeight(), colorModel.getPixelSize(),
palette);
WritableRaster raster = bufferedImage.getRaster();
int[] pixelArray = new int[3];
for (int y = 0; y < data.height; y++) {
for (int x = 0; x < data.width; x++) {
raster.getPixel(x, y, pixelArray);
int pixel = palette.getPixel(new RGB(pixelArray[0],
pixelArray[1], pixelArray[2]));
data.setPixel(x, y, pixel);
}
}
return data;
}
else if (bufferedImage.getColorModel() instanceof IndexColorModel) {
IndexColorModel colorModel
= (IndexColorModel) bufferedImage.getColorModel();
int size = colorModel.getMapSize();
byte[] reds = new byte[size];
byte[] greens = new byte[size];
byte[] blues = new byte[size];
colorModel.getReds(reds);
colorModel.getGreens(greens);
colorModel.getBlues(blues);
RGB[] rgbs = new RGB[size];
for (int i = 0; i < rgbs.length; i++) {
rgbs[i] = new RGB(reds[i] & 0xFF, greens[i] & 0xFF,
blues[i] & 0xFF);
}
PaletteData palette = new PaletteData(rgbs);
ImageData data = new ImageData(bufferedImage.getWidth(),
bufferedImage.getHeight(), colorModel.getPixelSize(),
palette);
data.transparentPixel = colorModel.getTransparentPixel();
WritableRaster raster = bufferedImage.getRaster();
int[] pixelArray = new int[1];
for (int y = 0; y < data.height; y++) {
for (int x = 0; x < data.width; x++) {
raster.getPixel(x, y, pixelArray);
data.setPixel(x, y, pixelArray[0]);
}
}
return data;
}
return null;
}
}
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