/**
* Creates a PDF document.
*
* @param filename the path to the new PDF document
* @throws DocumentException
* @throws IOException
*/
public void createPdf(String filename) throws IOException, DocumentException {
// step 1
Document document = new Document(new Rectangle(360, 360));
// step 2
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(filename));
// step 3
document.open();
writer.addJavaScript(Utilities.readFileToString(RESOURCE));
// step 4
// add the keys for the digits
for (int i = 0; i < 10; i++) {
addPushButton(writer, digits[i], String.valueOf(i), "this.augment(" + i + ")");
}
// add the keys for the operators
addPushButton(writer, plus, "+", "this.register('+')");
addPushButton(writer, minus, "-", "this.register('-')");
addPushButton(writer, mult, "x", "this.register('*')");
addPushButton(writer, div, ":", "this.register('/')");
addPushButton(writer, equals, "=", "this.calculateResult()");
// add the other keys
addPushButton(writer, clearEntry, "CE", "this.reset(false)");
addPushButton(writer, clear, "C", "this.reset(true)");
addTextField(writer, result, "result");
addTextField(writer, move, "move");
// step 5
document.close();
}
/**
* Gets the width of a <CODE>String</CODE> in normalized 1000 units.
*
* @param text the <CODE>String</CODE> to get the width of
* @return the width in normalized 1000 units
*/
@Override
public int getWidth(String text) {
if (vertical) return text.length() * 1000;
int total = 0;
if (fontSpecific) {
char cc[] = text.toCharArray();
int len = cc.length;
for (int k = 0; k < len; ++k) {
char c = cc[k];
if ((c & 0xff00) == 0 || (c & 0xff00) == 0xf000) total += getRawWidth(c & 0xff, null);
}
} else {
int len = text.length();
for (int k = 0; k < len; ++k) {
if (Utilities.isSurrogatePair(text, k)) {
total += getRawWidth(Utilities.convertToUtf32(text, k), encoding);
++k;
} else total += getRawWidth(text.charAt(k), encoding);
}
}
return total;
}
/**
* Reads a BMP from a file.
*
* @param file the file
* @throws IOException on error
* @return the image
*/
public static Image getImage(String file) throws IOException {
return getImage(Utilities.toURL(file));
}