private static String outpf(PageFormat p) { if (p == null) return null; final String[] o = {"LANDSCAPE", "PORTRAIT", "REVERSE LANDSCAPE"}; return String.format( "PageFormat[%s xoff=%.1fpt (%.2fin); yoff=%.1fpt (%.2fin); imageable-area: %.1fpt x %.1fpt (%.2f x %.2f inches)]", o[p.getOrientation()], p.getImageableX(), p.getImageableX() / 72.0, p.getImageableY(), p.getImageableY() / 72.0, p.getImageableWidth(), p.getImageableHeight(), p.getImageableWidth() / 72.0, p.getImageableHeight() / 72.0); }
public int print(Graphics gc, PageFormat format, int pageIndex) throws java.awt.print.PrinterException { if (pageIndex > 0) { out("page " + pageIndex + " requested, ending print job."); return Printable.NO_SUCH_PAGE; } Dimension page = new Dimension( (int) format.getImageableWidth() - 1, (int) format.getImageableHeight() - 1); Graphics2D g = (Graphics2D) gc; out( "asked to render page " + pageIndex + " in " + outpf(format) + " w/transform " + g.getTransform()); // note: supposedly, perhaps on Windows with JVM's 1.5 and newer, the // transform scale provided can actually allow us to derive the DPI of the // print device, which we could use for image rendering optimization's // during prints. Mac OS X Snow Leopard w/JVM 1.6 always reports a 1.0 // scale though. And operations like "print preview" or "print to PDF" // wouldn't have a fixed DPI anyway. if (DEBUG.CONTAINMENT) { g.setColor(Color.lightGray); g.fillRect(0, 0, 9999, 9999); } g.translate(format.getImageableX(), format.getImageableY()); // Don't need to clip if printing whole map, as computed zoom // should have made sure everything is within page size // if (!isPrintingView()) // g.clipRect(0, 0, page.width, page.height); if (DEBUG.CONTAINMENT) { // g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f)); // draw border outline of page g.setColor(Color.gray); g.setStroke(VueConstants.STROKE_TWO); g.drawRect(0, 0, page.width, page.height); // g.setComposite(AlphaComposite.Src); } // compute zoom & offset for visible map components Point2D.Float offset = new Point2D.Float(); // center vertically only if landscape mode // if (format.getOrientation() == PageFormat.LANDSCAPE) // TODO: allow horizontal centering, but not vertical centering (handle in computeZoomFit) double scale = ZoomTool.computeZoomFit(page, 5, bounds, offset, true); out("rendering at scale " + scale); // set up the DrawContext DrawContext dc = new DrawContext( g, scale, -offset.x, -offset.y, null, // frame would be the PageFormat offset & size rectangle focal, false); // todo: absolute links shouldn't be spec'd here dc.setMapDrawing(); dc.setPrintQuality(); if (isPrintingView() && map == focal) g.clipRect( (int) Math.floor(bounds.getX()), (int) Math.floor(bounds.getY()), (int) Math.ceil(bounds.getWidth()), (int) Math.ceil(bounds.getHeight())); if (DEBUG.CONTAINMENT) { g.setColor(Color.red); g.setStroke(VueConstants.STROKE_TWO); g.draw(bounds); } // render the map if (map == focal) map.draw(dc); else focal.draw(dc); out("page " + pageIndex + " rendered."); return Printable.PAGE_EXISTS; }