private void print_current_chart(PrintJob pj) {
Graphics page = pj.getGraphics();
Dimension size = graph_panel.getSize();
Dimension pagesize = pj.getPageDimension();
main_graph.set_symbol(chart.current_tradable().toUpperCase());
if (size.width <= pagesize.width) {
// Center the output on the page.
page.translate((pagesize.width - size.width) / 2, (pagesize.height - size.height) / 2);
} else {
// The graph size is wider than a page, so print first
// the left side, then the right side. Assumption - it is
// not larger than two pages.
page.translate(15, (pagesize.height - size.height) / 2);
graph_panel.printAll(page);
page.dispose();
page = pj.getGraphics();
page.translate(pagesize.width - size.width - 13, (pagesize.height - size.height) / 2);
}
graph_panel.printAll(page);
page.dispose();
main_graph.set_symbol(null);
}
/**
* The constructor for this class has a bunch of arguments: The frame argument is required for all
* printing in Java. The jobname appears left justified at the top of each printed page. The font
* size is specified in points, as on-screen font sizes are. The margins are specified in inches
* (or fractions of inches).
*/
public HardcopyWriter(
Frame frame,
String jobname,
int fontsize,
double leftmargin,
double rightmargin,
double topmargin,
double bottommargin)
throws HardcopyWriter.PrintCanceledException {
// Get the PrintJob object with which we'll do all the printing.
// The call is synchronized on the static printprops object, which
// means that only one print dialog can be popped up at a time.
// If the user clicks Cancel in the print dialog, throw an exception.
Toolkit toolkit = frame.getToolkit(); // get Toolkit from Frame
synchronized (printprops) {
job = toolkit.getPrintJob(frame, jobname, printprops);
}
if (job == null) throw new PrintCanceledException("User cancelled print request");
pagesize = job.getPageDimension(); // query the page size
pagedpi = job.getPageResolution(); // query the page resolution
// Bug Workaround:
// On windows, getPageDimension() and getPageResolution don't work, so
// we've got to fake them.
if (System.getProperty("os.name").regionMatches(true, 0, "windows", 0, 7)) {
// Use screen dpi, which is what the PrintJob tries to emulate, anyway
pagedpi = toolkit.getScreenResolution();
System.out.println(pagedpi);
// Assume a 8.5" x 11" page size. A4 paper users have to change this.
pagesize = new Dimension((int) (8.5 * pagedpi), 11 * pagedpi);
System.out.println(pagesize);
// We also have to adjust the fontsize. It is specified in points,
// (1 point = 1/72 of an inch) but Windows measures it in pixels.
fontsize = fontsize * pagedpi / 72;
System.out.println(fontsize);
System.out.flush();
}
// Compute coordinates of the upper-left corner of the page.
// I.e. the coordinates of (leftmargin, topmargin). Also compute
// the width and height inside of the margins.
x0 = (int) (leftmargin * pagedpi);
y0 = (int) (topmargin * pagedpi);
width = pagesize.width - (int) ((leftmargin + rightmargin) * pagedpi);
height = pagesize.height - (int) ((topmargin + bottommargin) * pagedpi);
// Get body font and font size
font = new Font("Monospaced", Font.PLAIN, fontsize);
metrics = toolkit.getFontMetrics(font);
lineheight = metrics.getHeight();
lineascent = metrics.getAscent();
charwidth = metrics.charWidth('0'); // Assumes a monospaced font!
// Now compute columns and lines will fit inside the margins
chars_per_line = width / charwidth;
lines_per_page = height / lineheight;
// Get header font information
// And compute baseline of page header: 1/8" above the top margin
headerfont = new Font("SansSerif", Font.ITALIC, fontsize);
headermetrics = toolkit.getFontMetrics(headerfont);
headery = y0 - (int) (0.125 * pagedpi) - headermetrics.getHeight() + headermetrics.getAscent();
// Compute the date/time string to display in the page header
DateFormat df = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.SHORT);
df.setTimeZone(TimeZone.getDefault());
time = df.format(new Date());
this.jobname = jobname; // save name
this.fontsize = fontsize; // save font size
}
private static void init() {
String[] instructions = {
"To be able to run this test it is required to have a default",
"printer configured in your user environment.",
"If no default printer exists, then test passes.",
" ",
"There will be 2 print dialogs. The first dialog should show",
"portrait as the selected orientation. The 2nd dialog should show",
"landscape as the selected orientation.",
" ",
"Visual inspection of the printed pages is needed. A passing",
"test will print 2 pages in portrait and 2 pages in landscape.",
"The pages have on the center of the page the text \"Center\"",
"2 rectangles will appear above and below it, the one below is",
"filled."
};
Sysout.createDialog();
Sysout.printInstructions(instructions);
PrintJob job = null;
Dimension dim = null;
JobAttributes jobAttributes = new JobAttributes();
PageAttributes pageAttributes = new PageAttributes();
String center = "Center";
Font font = new Font("SansSerif", Font.PLAIN, 200);
FontMetrics metrics = null;
int width = 0;
Graphics g = null;
jobAttributes.setDialog(DialogType.NATIVE);
pageAttributes.setOrigin(OriginType.PRINTABLE);
pageAttributes.setPrinterResolution(new int[] {1200, 1200, 3});
pageAttributes.setOrientationRequested(OrientationRequestedType.PORTRAIT);
jobAttributes.setSides(SidesType.TWO_SIDED_LONG_EDGE);
job = f.getToolkit().getPrintJob(f, "Portrait Test", jobAttributes, pageAttributes);
if (job != null) {
dim = job.getPageDimension();
for (int i = 0; i < 2; i++) {
g = job.getGraphics();
g.drawLine(0, 0, dim.width, 0);
g.drawLine(dim.width, 0, dim.width, dim.height);
g.drawLine(dim.width, dim.height, 0, dim.height);
g.drawLine(0, dim.height, 0, 0);
g.drawRect(dim.width / 2 - 200, dim.height / 3 - 300, 400, 600);
g.fillRect(dim.width / 2 - 200, 2 * dim.height / 3 - 300, 400, 600);
g.setFont(font);
metrics = g.getFontMetrics();
width = metrics.stringWidth(center);
g.setColor(Color.black);
g.drawString(center, (dim.width / 2) - (width / 2), dim.height / 2);
g.dispose();
}
job.end();
job = null;
}
pageAttributes.setOrientationRequested(OrientationRequestedType.LANDSCAPE);
job = f.getToolkit().getPrintJob(f, "Landscape Test", jobAttributes, pageAttributes);
if (job != null) {
dim = job.getPageDimension();
for (int i = 0; i < 2; i++) {
g = job.getGraphics();
g.drawLine(0, 0, dim.width, 0);
g.drawLine(dim.width, 0, dim.width, dim.height);
g.drawLine(dim.width, dim.height, 0, dim.height);
g.drawLine(0, dim.height, 0, 0);
g.drawRect(dim.width / 2 - 200, dim.height / 3 - 300, 400, 600);
g.fillRect(dim.width / 2 - 200, 2 * dim.height / 3 - 300, 400, 600);
g.setFont(font);
metrics = g.getFontMetrics();
width = metrics.stringWidth(center);
g.setColor(Color.black);
g.drawString(center, (dim.width / 2) - (width / 2), dim.height / 2);
g.dispose();
}
job.end();
job = null;
}
System.out.println("done");
}