private void DrawLineOfText(
Page page, List <TextLine> list, bool draw)
{
if (alignment == Align.JUSTIFY)
{
float sum_of_word_widths = 0f;
for (int i = 0; i < list.Count; i++)
{
TextLine text = list[i];
sum_of_word_widths += text.font.StringWidth(text.GetFallbackFont(), text.str);
}
float dx = (w - sum_of_word_widths) / (list.Count - 1);
for (int i = 0; i < list.Count; i++)
{
TextLine text = list[i];
text.SetPosition(x1, y1);
if (text.GetGoToAction() != null)
{
page.AddAnnotation(new Annotation(
null, // The URI
text.GetGoToAction(), // The destination name
x,
page.height - (y - text.font.ascent),
x + text.font.StringWidth(text.GetFallbackFont(), text.GetText()),
page.height - (y - text.font.descent),
null,
null,
null));
}
if (rotate == 0)
{
text.SetTextDirection(0);
text.DrawOn(page, draw);
x1 += text.font.StringWidth(text.GetFallbackFont(), text.str) + dx;
}
else if (rotate == 90)
{
text.SetTextDirection(90);
text.DrawOn(page, draw);
y1 -= text.font.StringWidth(text.GetFallbackFont(), text.str) + dx;
}
else if (rotate == 270)
{
text.SetTextDirection(270);
text.DrawOn(page, draw);
y1 += text.font.StringWidth(text.GetFallbackFont(), text.str) + dx;
}
}
}
else
{
DrawNonJustifiedLine(page, list, draw);
}
}
private void DrawNonJustifiedLine(
Page page, List <TextLine> list, bool draw)
{
float run_length = 0f;
for (int i = 0; i < list.Count; i++)
{
TextLine text = list[i];
if (i < (list.Count - 1))
{
text.str += " ";
}
run_length += text.font.StringWidth(text.GetFallbackFont(), text.str);
}
if (alignment == Align.CENTER)
{
if (rotate == 0)
{
x1 = x + ((w - run_length) / 2);
}
else if (rotate == 90)
{
y1 = y - ((w - run_length) / 2);
}
else if (rotate == 270)
{
y1 = y + ((w - run_length) / 2);
}
}
else if (alignment == Align.RIGHT)
{
if (rotate == 0)
{
x1 = x + (w - run_length);
}
else if (rotate == 90)
{
y1 = y - (w - run_length);
}
else if (rotate == 270)
{
y1 = y + (w - run_length);
}
}
for (int i = 0; i < list.Count; i++)
{
TextLine text = list[i];
text.SetPosition(x1, y1);
if (text.GetGoToAction() != null)
{
page.AddAnnotation(new Annotation(
null, // The URI
text.GetGoToAction(), // The destination name
x,
page.height - (y - text.font.ascent),
x + text.font.StringWidth(text.GetFallbackFont(), text.GetText()),
page.height - (y - text.font.descent),
null,
null,
null));
}
if (rotate == 0)
{
text.SetTextDirection(0);
text.DrawOn(page, draw);
x1 += text.font.StringWidth(text.GetFallbackFont(), text.str);
}
else if (rotate == 90)
{
text.SetTextDirection(90);
text.DrawOn(page, draw);
y1 -= text.font.StringWidth(text.GetFallbackFont(), text.str);
}
else if (rotate == 270)
{
text.SetTextDirection(270);
text.DrawOn(page, draw);
y1 += text.font.StringWidth(text.GetFallbackFont(), text.str);
}
}
}
private float[] DrawCode39(Page page, float x1, float y1)
{
text = "*" + text + "*";
float x = x1;
float y = y1;
float w = m1 * barHeightFactor; // Barcode width when drawn vertically
float h = m1 * barHeightFactor; // Barcode height when drawn horizontally
float[] xy = new float[] { 0f, 0f };
if (direction == LEFT_TO_RIGHT)
{
for (int i = 0; i < text.Length; i++)
{
String code = tableB[text[i]];
if (code == null)
{
throw new Exception("The input string '" + text +
"' contains characters that are invalid in a Code39 barcode.");
}
for (int j = 0; j < 9; j++)
{
char ch = code[j];
if (ch == 'w')
{
x += m1;
}
else if (ch == 'W')
{
x += m1 * 3;
}
else if (ch == 'b')
{
DrawVertBar(page, x, y, m1, h);
x += m1;
}
else if (ch == 'B')
{
DrawVertBar(page, x, y, m1 * 3, h);
x += m1 * 3;
}
}
x += m1;
}
if (font != null)
{
TextLine textLine = new TextLine(font, text);
textLine.SetLocation(
x1 + ((x - x1) - font.StringWidth(text)) / 2,
y1 + h + font.bodyHeight);
xy = textLine.DrawOn(page);
xy[0] = Math.Max(x, xy[0]);
}
}
else if (direction == TOP_TO_BOTTOM)
{
for (int i = 0; i < text.Length; i++)
{
String code = tableB[text[i]];
if (code == null)
{
throw new Exception("The input string '" + text +
"' contains characters that are invalid in a Code39 barcode.");
}
for (int j = 0; j < 9; j++)
{
char ch = code[j];
if (ch == 'w')
{
y += m1;
}
else if (ch == 'W')
{
y += 3 * m1;
}
else if (ch == 'b')
{
DrawHorzBar(page, x, y, m1, h);
y += m1;
}
else if (ch == 'B')
{
DrawHorzBar(page, x, y, 3 * m1, h);
y += 3 * m1;
}
}
y += m1;
}
if (font != null)
{
TextLine textLine = new TextLine(font, text);
textLine.SetLocation(
x - font.bodyHeight,
y1 + ((y - y1) - font.StringWidth(text)) / 2);
textLine.SetTextDirection(270);
xy = textLine.DrawOn(page);
xy[0] = Math.Max(x, xy[0]) + w;
xy[1] = Math.Max(y, xy[1]);
}
}
else if (direction == BOTTOM_TO_TOP)
{
float height = 0.0f;
for (int i = 0; i < text.Length; i++)
{
String code = tableB[text[i]];
if (code == null)
{
throw new Exception("The input string '" + text +
"' contains characters that are invalid in a Code39 barcode.");
}
for (int j = 0; j < 9; j++)
{
char ch = code[j];
if (ch == 'w' || ch == 'b')
{
height += m1;
}
else if (ch == 'W' || ch == 'B')
{
height += 3 * m1;
}
}
height += m1;
}
y += height - m1;
for (int i = 0; i < text.Length; i++)
{
String code = tableB[text[i]];
for (int j = 0; j < 9; j++)
{
char ch = code[j];
if (ch == 'w')
{
y -= m1;
}
else if (ch == 'W')
{
y -= 3 * m1;
}
else if (ch == 'b')
{
DrawHorzBar2(page, x, y, m1, h);
y -= m1;
}
else if (ch == 'B')
{
DrawHorzBar2(page, x, y, 3 * m1, h);
y -= 3 * m1;
}
}
y -= m1;
}
if (font != null)
{
y = y1 + (height - m1);
TextLine textLine = new TextLine(font, text);
textLine.SetLocation(
x + w + font.bodyHeight,
y - ((y - y1) - font.StringWidth(text)) / 2);
textLine.SetTextDirection(90);
xy = textLine.DrawOn(page);
xy[1] = Math.Max(y, xy[1]);
return(new float[] { xy[0], xy[1] + font.descent });
}
}
return(new float[] { xy[0], xy[1] });
}
public Example_05()
{
FileStream fos = new FileStream("Example_05.pdf", FileMode.Create);
BufferedStream bos = new BufferedStream(fos);
PDF pdf = new PDF(bos);
pdf.setCompressor(Compressor.ORIGINAL_ZLIB);
// Before you enable this flag please read README.ZLIB.TXT
// in the 'optional' directory.
// If PDF/A is not required use Helvetica, TimesRoman or Courier
Font f1 = new Font(pdf, "Helvetica");
Page page = new Page(pdf, Letter.PORTRAIT);
TextLine text = new TextLine(f1);
text.SetPosition(300.0, 300.0);
for (int i = 0; i < 360; i += 15) {
text.SetTextDirection(i);
text.SetUnderline(true);
// text.SetStrikeLine(true);
text.SetText(" Hello, World -- " + i + " degrees.");
text.DrawOn(page);
}
text = new TextLine(f1, "WAVE AWAY");
text.SetPosition(70.0, 50.0);
text.DrawOn(page);
f1.SetKernPairs(true);
text.SetPosition(70.0, 70.0);
text.DrawOn(page);
f1.SetKernPairs(false);
text.SetPosition(70.0, 90.0);
text.DrawOn(page);
f1.SetSize(8);
text = new TextLine(f1, "-- font.SetKernPairs(false);");
text.SetPosition(150.0, 50.0);
text.DrawOn(page);
text.SetPosition(150.0, 90.0);
text.DrawOn(page);
text = new TextLine(f1, "-- font.SetKernPairs(true);");
text.SetPosition(150.0, 70.0);
text.DrawOn(page);
Point point = new Point(300.0, 300.0);
point.SetShape(Point.CIRCLE);
point.SetFillShape(true);
point.SetColor(RGB.BLUE);
point.SetRadius(37.0);
point.DrawOn(page);
point.SetRadius(25.0);
point.SetColor(RGB.WHITE);
point.DrawOn(page);
pdf.Flush();
bos.Close();
}
private float[] DrawCode128(Page page, float x1, float y1)
{
float x = x1;
float y = y1;
float w = m1;
float h = m1;
if (direction == TOP_TO_BOTTOM)
{
w *= barHeightFactor;
}
else if (direction == LEFT_TO_RIGHT)
{
h *= barHeightFactor;
}
List <Int32> list = new List <Int32>();
for (int i = 0; i < text.Length; i++)
{
char symchar = text[i];
if (symchar < 32)
{
list.Add(GS1_128.SHIFT);
list.Add(symchar + 64);
}
else if (symchar < 128)
{
list.Add(symchar - 32);
}
else if (symchar < 256)
{
list.Add(GS1_128.FNC_4);
list.Add(symchar - 160); // 128 + 32
}
else
{
// list.Add(31); // '?'
list.Add(256); // This will generate an exception.
}
if (list.Count == 48)
{
// Maximum number of data characters is 48
break;
}
}
StringBuilder buf = new StringBuilder();
int checkDigit = GS1_128.START_B;
buf.Append((char)checkDigit);
for (int i = 0; i < list.Count; i++)
{
int codeword = list[i];
buf.Append((char)codeword);
checkDigit += codeword * (i + 1);
}
checkDigit %= GS1_128.START_A;
buf.Append((char)checkDigit);
buf.Append((char)GS1_128.STOP);
for (int i = 0; i < buf.Length; i++)
{
int si = buf[i];
String symbol = GS1_128.TABLE[si].ToString();
for (int j = 0; j < symbol.Length; j++)
{
int n = symbol[j] - 0x30;
if (j % 2 == 0)
{
if (direction == LEFT_TO_RIGHT)
{
DrawVertBar(page, x, y, m1 * n, h);
}
else if (direction == TOP_TO_BOTTOM)
{
DrawHorzBar(page, x, y, m1 * n, w);
}
}
if (direction == LEFT_TO_RIGHT)
{
x += n * m1;
}
else if (direction == TOP_TO_BOTTOM)
{
y += n * m1;
}
}
}
float[] xy = new float[] { x, y };
if (font != null)
{
if (direction == LEFT_TO_RIGHT)
{
TextLine textLine = new TextLine(font, text);
textLine.SetLocation(
x1 + ((x - x1) - font.StringWidth(text)) / 2,
y1 + h + font.bodyHeight);
xy = textLine.DrawOn(page);
xy[0] = Math.Max(x, xy[0]);
return(new float[] { xy[0], xy[1] + font.descent });
}
else if (direction == TOP_TO_BOTTOM)
{
TextLine textLine = new TextLine(font, text);
textLine.SetLocation(
x + w + font.bodyHeight,
y - ((y - y1) - font.StringWidth(text)) / 2);
textLine.SetTextDirection(90);
xy = textLine.DrawOn(page);
xy[1] = Math.Max(y, xy[1]);
}
}
return(xy);
}
