/**
* Creates a page based on the template selected in the wizard **Note: this function may swap the
* width and height if the template prefers different page orientation.
*
* @return a page
*/
protected Page makePage(Rectangle pageSize, Document doc, Template template) {
Map mapOnlyRasterLayers = null;
Map mapNoRasterLayers = null;
// **Note: the iText API doesn't render rasters at a high enough resolution if
// they are written to the PDF via graphics2d. To work around this problem, I
// create two copies of the map: one with only the raster layers, and one with
// everything else.
// The "everything else" map gets drawn by a graphics2d. The other layer must be
// rasterized and inserted into the PDF via iText's API.
// make one copy of the map with no raster layers
mapNoRasterLayers = (Map) ApplicationGIS.copyMap(map);
List<Layer> layersNoRasters = mapNoRasterLayers.getLayersInternal();
List<Layer> toRemove = new ArrayList<Layer>();
for (Layer layer : layersNoRasters) {
for (IGeoResource resource : layer.getGeoResources()) {
if (resource.canResolve(GridCoverageReader.class)) {
toRemove.add(layer);
}
}
}
layersNoRasters.removeAll(toRemove);
// adjust scale
double currentViewportScaleDenom = map.getViewportModel().getScaleDenominator();
if (currentViewportScaleDenom == -1)
throw new IllegalStateException(
"no scale denominator is available from the viewport model"); //$NON-NLS-1$
if (page1.getScaleOption() == PrintWizardPage1.CUSTOM_MAP_SCALE) {
float customScale = page1.getCustomScale();
template.setMapScaleHint(customScale);
} else if (page1.getScaleOption() == PrintWizardPage1.CURRENT_MAP_SCALE) {
template.setMapScaleHint(currentViewportScaleDenom);
} else if (page1.getScaleOption() == PrintWizardPage1.ZOOM_TO_SELECTION) {
template.setZoomToSelectionHint(true);
template.setMapScaleHint(currentViewportScaleDenom);
}
// 3. make the page itself
Page page = ModelFactory.eINSTANCE.createPage();
page.setSize(new Dimension((int) pageSize.getWidth(), (int) pageSize.getHeight()));
// page name stuff not required, because this page will just get discarded
MessageFormat formatter =
new MessageFormat(Messages.CreatePageAction_newPageName, Locale.getDefault());
if (page.getName() == null || page.getName().length() == 0) {
page.setName(formatter.format(new Object[] {mapNoRasterLayers.getName()}));
}
template.init(page, mapNoRasterLayers);
if (page1.getRasterEnabled()) {
// make another copy with only raster layers
mapOnlyRasterLayers = (Map) ApplicationGIS.copyMap(map);
List<Layer> layersOnlyRasters = mapOnlyRasterLayers.getLayersInternal();
List<Layer> toRemove2 = new ArrayList<Layer>();
for (Layer layer : layersOnlyRasters) {
for (IGeoResource resource : layer.getGeoResources()) {
if (!resource.canResolve(GridCoverageReader.class)) {
toRemove2.add(layer);
}
}
}
layersOnlyRasters.removeAll(toRemove2);
// set bounds to match the other map
SetViewportBBoxCommand cmdBbox =
new SetViewportBBoxCommand(mapNoRasterLayers.getViewportModel().getBounds());
mapOnlyRasterLayers.sendCommandSync(cmdBbox);
if (layersNoRasters.size() > 0) {
writeRasterLayersOnlyToDocument(
mapOnlyRasterLayers,
template.getMapBounds(),
doc,
page.getSize(), /*currentViewportScaleDenom*/
mapNoRasterLayers.getViewportModel().getScaleDenominator());
}
}
// copy the boxes from the template into the page
Iterator<Box> iter = template.iterator();
while (iter.hasNext()) {
page.getBoxes().add(iter.next());
}
return page;
// TODO Throw some sort of exception if the page can't be created
}
@Override
public boolean performFinish() {
// create the document
Rectangle suggestedPageSize = getITextPageSize(page1.getPageSize());
Rectangle pageSize = rotatePageIfNecessary(suggestedPageSize); // rotate if we need landscape
Document document = new Document(pageSize);
try {
// Basic setup of the Document, and get instance of the iText Graphics2D
// to pass along to uDig's standard "printing" code.
String outputFile =
page1.getDestinationDir()
+ System.getProperty("file.separator")
+ //$NON-NLS-1$
page1.getOutputFile();
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(outputFile));
document.open();
Graphics2D graphics = null;
Template template = getTemplate();
int i = 0;
int numPages = 1;
do {
// sets the active page
template.setActivePage(i);
PdfContentByte cb = writer.getDirectContent();
Page page = makePage(pageSize, document, template);
graphics = cb.createGraphics(pageSize.getWidth(), pageSize.getHeight());
// instantiate a PrinterEngine (pass in the Page instance)
PrintingEngine engine = new PrintingEngine(page);
// make page format
PageFormat pageFormat = new PageFormat();
pageFormat.setOrientation(PageFormat.PORTRAIT);
java.awt.print.Paper awtPaper = new java.awt.print.Paper();
awtPaper.setSize(pageSize.getWidth() * 3, pageSize.getHeight() * 3);
awtPaper.setImageableArea(0, 0, pageSize.getWidth(), pageSize.getHeight());
pageFormat.setPaper(awtPaper);
// run PrinterEngine's print function
engine.print(graphics, pageFormat, 0);
graphics.dispose();
document.newPage();
if (i == 0) {
numPages = template.getNumPages();
}
i++;
} while (i < numPages);
// cleanup
document.close();
writer.close();
} catch (DocumentException e) {
e.printStackTrace();
return false;
} catch (IOException e) {
e.printStackTrace();
return false;
} catch (PrinterException e) {
e.printStackTrace();
}
return true;
}