Estive analisando os fontes do Jasper Reports e verifiquei que o problema, esta na API java - Java Print Service, achei na internet uma aplicação que desenha uns shapes no windows imprime bem, mas no linux a impressão sai em branco.
Alguém sabe como contornar este problema
import java.awt.geom.*;
import java.awt.font.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.print.PrinterJob;
import java.awt.event.*;
import java.awt.*;
import java.awt.print.*;
import javax.print.attribute.HashPrintRequestAttributeSet;
import javax.print.attribute.PrintRequestAttributeSet;
public class ShapesPrint extends Panel implements Printable, ActionListener {
final static Color bg = Color.white;
final static Color fg = Color.black;
final static Color red = Color.red;
final static Color white = Color.white;
final static BasicStroke stroke = new BasicStroke(2.0f);
final static BasicStroke wideStroke = new BasicStroke(8.0f);
final static float dash1[] = { 10.0f };
final static BasicStroke dashed = new BasicStroke(1.0f,
BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 10.0f, dash1, 0.0f);
final static Button button = new Button("Print");
public ShapesPrint() {
setBackground(bg);
button.addActionListener(this);
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() instanceof Button) {
PrinterJob printJob = PrinterJob.getPrinterJob();
PrintRequestAttributeSet pg = new HashPrintRequestAttributeSet();
printJob.setPrintable(this);
if (printJob.printDialog(pg)) {
try {
printJob.print(pg);
} catch (Exception PrintException) {
PrintException.printStackTrace();
}
}
}
}
public void paint(Graphics g) {
super.paint(g);
Graphics2D g2 = (Graphics2D) g;
drawShapes(g2);
}
public void drawShapes(Graphics2D g2) {
Dimension d = getSize();
int gridWidth = 400 / 6;
int gridHeight = 300 / 2;
int rowspacing = 5;
int columnspacing = 7;
int rectWidth = gridWidth - columnspacing;
int rectHeight = gridHeight - rowspacing;
Color fg3D = Color.lightGray;
g2.setPaint(fg3D);
g2.drawRect(80, 80, 400 - 1, 310);
g2.setPaint(fg);
int x = 85;
int y = 87;
//draw Text Layout
FontRenderContext frc = g2.getFontRenderContext();
Font f = new Font("Times", Font.BOLD, 24);
String s = new String("24 Point Times Bold");
TextLayout tl = new TextLayout(s, f, frc);
g2.setColor(Color.green);
tl.draw(g2, x, y - 10);
// draw Line2D.Double
g2.draw(new Line2D.Double(x, y + rectHeight - 1, x + rectWidth, y));
x += gridWidth;
// draw Rectangle2D.Double
g2.setStroke(stroke);
g2.draw(new Rectangle2D.Double(x, y, rectWidth, rectHeight));
x += gridWidth;
// draw RoundRectangle2D.Double
g2.setStroke(dashed);
g2
.draw(new RoundRectangle2D.Double(x, y, rectWidth, rectHeight,
10, 10));
x += gridWidth;
// draw Arc2D.Double
g2.setStroke(wideStroke);
g2.draw(new Arc2D.Double(x, y, rectWidth, rectHeight, 90, 135,
Arc2D.OPEN));
x += gridWidth;
// draw Ellipse2D.Double
g2.setStroke(stroke);
g2.draw(new Ellipse2D.Double(x, y, rectWidth, rectHeight));
x += gridWidth;
// draw GeneralPath (polygon)
int x1Points[] = { x, x + rectWidth, x, x + rectWidth };
int y1Points[] = { y, y + rectHeight, y + rectHeight, y };
GeneralPath polygon = new GeneralPath(GeneralPath.WIND_EVEN_ODD,
x1Points.length);
polygon.moveTo(x1Points[0], y1Points[0]);
for (int index = 1; index < x1Points.length; index++) {
polygon.lineTo(x1Points[index], y1Points[index]);
}
;
polygon.closePath();
g2.draw(polygon);
// NEW ROW
x = 85;
y += gridHeight;
// draw GeneralPath (polyline)
int x2Points[] = { x, x + rectWidth, x, x + rectWidth };
int y2Points[] = { y, y + rectHeight, y + rectHeight, y };
GeneralPath polyline = new GeneralPath(GeneralPath.WIND_EVEN_ODD,
x2Points.length);
polyline.moveTo(x2Points[0], y2Points[0]);
for (int index = 1; index < x2Points.length; index++) {
polyline.lineTo(x2Points[index], y2Points[index]);
}
;
g2.draw(polyline);
x += gridWidth;
// fill Rectangle2D.Double (red)
g2.setPaint(red);
g2.fill(new Rectangle2D.Double(x, y, rectWidth, rectHeight));
g2.setPaint(fg);
x += gridWidth;
// fill RoundRectangle2D.Double
GradientPaint redtowhite = new GradientPaint(x, y, red, x + rectWidth,
y, white);
g2.setPaint(redtowhite);
g2
.fill(new RoundRectangle2D.Double(x, y, rectWidth, rectHeight,
10, 10));
g2.setPaint(fg);
x += gridWidth;
// fill Arc2D
g2.setPaint(red);
g2.fill(new Arc2D.Double(x, y, rectWidth, rectHeight, 90, 135,
Arc2D.OPEN));
g2.setPaint(fg);
x += gridWidth;
// fill Ellipse2D.Double
redtowhite = new GradientPaint(x, y, red, x + rectWidth, y, white);
g2.setPaint(redtowhite);
g2.fill(new Ellipse2D.Double(x, y, rectWidth, rectHeight));
g2.setPaint(fg);
x += gridWidth;
// fill and stroke GeneralPath
int x3Points[] = { x, x + rectWidth, x, x + rectWidth };
int y3Points[] = { y, y + rectHeight, y + rectHeight, y };
GeneralPath filledPolygon = new GeneralPath(GeneralPath.WIND_EVEN_ODD,
x3Points.length);
filledPolygon.moveTo(x3Points[0], y3Points[0]);
for (int index = 1; index < x3Points.length; index++) {
filledPolygon.lineTo(x3Points[index], y3Points[index]);
}
;
filledPolygon.closePath();
g2.setPaint(red);
g2.fill(filledPolygon);
g2.setPaint(fg);
g2.draw(filledPolygon);
}
public int print(Graphics g, PageFormat pf, int pi) throws PrinterException {
if (pi >= 1) {
return Printable.NO_SUCH_PAGE;
}
Graphics g2 = button.getGraphics();
button.printAll(g2);
drawShapes((Graphics2D) g);
return Printable.PAGE_EXISTS;
}
public static void main(String s[]) {
WindowListener l = new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
public void windowClosed(WindowEvent e) {
System.exit(0);
}
};
Frame f = new Frame();
f.addWindowListener(l);
Panel panel = new Panel();
f.add(BorderLayout.SOUTH, panel);
f.add(BorderLayout.CENTER, new ShapesPrint());
panel.add(button);
f.add(BorderLayout.SOUTH, panel);
f.setSize(580, 500);
f.show();
}
}