/**
* Draws a horizontal line.
*
* @param canvas the canvas to draw on
* @param leftX the left x coordinate
* @param rightX the right x coordindate
* @param y the y coordinate
*/
public void drawLine(PdfContentByte canvas, float leftX, float rightX, float y) {
float w;
if (getPercentage() < 0) w = -getPercentage();
else w = (rightX - leftX) * getPercentage() / 100.0f;
float s;
switch (getAlignment()) {
case Element.ALIGN_LEFT:
s = 0;
break;
case Element.ALIGN_RIGHT:
s = rightX - leftX - w;
break;
default:
s = (rightX - leftX - w) / 2;
break;
}
canvas.setLineWidth(getLineWidth());
if (getLineColor() != null) canvas.setColorStroke(getLineColor());
canvas.moveTo(s + leftX, y + offset);
canvas.lineTo(s + w + leftX, y + offset);
canvas.stroke();
}
/**
* @see org.saipdf.text.pdf.draw.DrawInterface#draw(org.saipdf.text.pdf.PdfContentByte, float,
* float, float, float, float)
*/
public void draw(PdfContentByte canvas, float llx, float lly, float urx, float ury, float y) {
canvas.saveState();
drawLine(canvas, llx, urx, y);
canvas.restoreState();
}
/**
* This class can be used to split an existing PDF file.
*
* @param args the command line arguments
*/
public static void main(String args[]) {
if (args.length != 4) {
System.err.println("arguments: srcfile destfile1 destfile2 pagenumber");
} else {
try {
int pagenumber = Integer.parseInt(args[3]);
// we create a reader for a certain document
PdfReader reader = new PdfReader(args[0]);
// we retrieve the total number of pages
int n = reader.getNumberOfPages();
System.out.println("There are " + n + " pages in the original file.");
if (pagenumber < 2 || pagenumber > n) {
throw new DocumentException(
MessageLocalization.getComposedMessage(
"you.can.t.split.this.document.at.page.1.there.is.no.such.page", pagenumber));
}
// step 1: creation of a document-object
Document document1 = new Document(reader.getPageSizeWithRotation(1));
Document document2 = new Document(reader.getPageSizeWithRotation(pagenumber));
// step 2: we create a writer that listens to the document
PdfWriter writer1 = PdfWriter.getInstance(document1, new FileOutputStream(args[1]));
PdfWriter writer2 = PdfWriter.getInstance(document2, new FileOutputStream(args[2]));
// step 3: we open the document
document1.open();
PdfContentByte cb1 = writer1.getDirectContent();
document2.open();
PdfContentByte cb2 = writer2.getDirectContent();
PdfImportedPage page;
int rotation;
int i = 0;
// step 4: we add content
while (i < pagenumber - 1) {
i++;
document1.setPageSize(reader.getPageSizeWithRotation(i));
document1.newPage();
page = writer1.getImportedPage(reader, i);
rotation = reader.getPageRotation(i);
if (rotation == 90 || rotation == 270) {
cb1.addTemplate(page, 0, -1f, 1f, 0, 0, reader.getPageSizeWithRotation(i).getHeight());
} else {
cb1.addTemplate(page, 1f, 0, 0, 1f, 0, 0);
}
}
while (i < n) {
i++;
document2.setPageSize(reader.getPageSizeWithRotation(i));
document2.newPage();
page = writer2.getImportedPage(reader, i);
rotation = reader.getPageRotation(i);
if (rotation == 90 || rotation == 270) {
cb2.addTemplate(page, 0, -1f, 1f, 0, 0, reader.getPageSizeWithRotation(i).getHeight());
} else {
cb2.addTemplate(page, 1f, 0, 0, 1f, 0, 0);
}
System.out.println("Processed page " + i);
}
// step 5: we close the document
document1.close();
document2.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
