LwgDocument document = new LwgDocument(LwgPageSize.A4);
// step 2: we create a writer that listens to the document
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(dest));
// step 3: we open the document
document.open();
PdfContentByte cb = writer.getDirectContent();
PdfImportedPage page;
int rotation;
int i = 0;
int p = 0;
// step 4: we add content
while (i < n) {
i++;
LwgRectangle rect = reader.getPageSizeWithRotation(i);
float factorx = (x2 - x1) / rect.getWidth();
float factory = (y1[p] - y2[p]) / rect.getHeight();
float factor = (factorx < factory ? factorx : factory);
float dx = (factorx == factor ? 0f : ((x2 - x1) - rect.getWidth() * factor) / 2f);
float dy = (factory == factor ? 0f : ((y1[p] - y2[p]) - rect.getHeight() * factor) / 2f);
page = writer.getImportedPage(reader, i);
rotation = reader.getPageRotation(i);
if (rotation == 90 || rotation == 270) {
cb.addTemplate(page, 0, -factor, factor, 0, x1 + dx, y2[p] + dy + rect.getHeight() * factor);
}
else {
cb.addTemplate(page, factor, 0, 0, factor, x1 + dx, y2[p] + dy);
}
cb.setRGBColorStroke(0xC0, 0xC0, 0xC0);
cb.rectangle(x3 - 5f, y2[p] - 5f, x4 - x3 + 10f, y1[p] - y2[p] + 10f);
for (float l = y1[p] - 19; l > y2[p]; l -= 16) {
cb.moveTo(x3, l);
cb.lineTo(x4, l);
}
cb.rectangle(x1 + dx, y2[p] + dy, rect.getWidth() * factor, rect.getHeight() * factor);
cb.stroke();
System.out.println("Processed page " + i);
p++;
if (p == pages) {
p = 0;
document.newPage();