public void Verify_GraphicsStateStack_CanBeCreated()
{
var pdfFilePath = TestUtils.GetOutputFileName();
var stream = new FileStream(pdfFilePath, FileMode.Create);
// step 1
var document = new Document(new Rectangle(200, 120));
// step 2
PdfWriter writer = PdfWriter.GetInstance(document, stream);
// step 3
document.AddAuthor(TestUtils.Author);
document.Open();
// step 4
PdfContentByte canvas = writer.DirectContent;
// state 1:
canvas.SetRgbColorFill(0xFF, 0x45, 0x00);
// fill a rectangle in state 1
canvas.Rectangle(10, 10, 60, 60);
canvas.Fill();
canvas.SaveState();
// state 2;
canvas.SetLineWidth(3);
canvas.SetRgbColorFill(0x8B, 0x00, 0x00);
// fill and stroke a rectangle in state 2
canvas.Rectangle(40, 20, 60, 60);
canvas.FillStroke();
canvas.SaveState();
// state 3:
canvas.ConcatCtm(1, 0, 0.1f, 1, 0, 0);
canvas.SetRgbColorStroke(0xFF, 0x45, 0x00);
canvas.SetRgbColorFill(0xFF, 0xD7, 0x00);
// fill and stroke a rectangle in state 3
canvas.Rectangle(70, 30, 60, 60);
canvas.FillStroke();
canvas.RestoreState();
// stroke a rectangle in state 2
canvas.Rectangle(100, 40, 60, 60);
canvas.Stroke();
canvas.RestoreState();
// fill and stroke a rectangle in state 1
canvas.Rectangle(130, 50, 60, 60);
canvas.FillStroke();
document.Close();
stream.Dispose();
TestUtils.VerifyPdfFileIsReadable(pdfFilePath);
}
/// <summary>
/// Places the barcode in a PdfContentByte . The
/// barcode is always placed at coodinates (0, 0). Use the
/// translation matrix to move it elsewhere.
/// The bars and text are written in the following colors:
///
///
/// barColor
/// textColor
/// Result
///
///
/// null
/// null
/// bars and text painted with current fill color
///
///
/// barColor
/// null
/// bars and text painted with barColor
///
///
/// null
/// textColor
/// bars painted with current color text painted with textColor
///
///
/// barColor
/// textColor
/// bars painted with barColor text painted with textColor
///
///
/// </summary>
/// <param name="cb">the PdfContentByte where the barcode will be placed</param>
/// <param name="barColor">the color of the bars. It can be null </param>
/// <param name="textColor">the color of the text. It can be null </param>
/// <returns>the dimensions the barcode occupies</returns>
public override Rectangle PlaceBarcode(PdfContentByte cb, BaseColor barColor, BaseColor textColor)
{
if (Supp.Font != null)
{
Supp.BarHeight = Ean.BarHeight + Supp.Baseline - Supp.Font.GetFontDescriptor(BaseFont.CAPHEIGHT, Supp.Size);
}
else
{
Supp.BarHeight = Ean.BarHeight;
}
Rectangle eanR = Ean.BarcodeSize;
cb.SaveState();
Ean.PlaceBarcode(cb, barColor, textColor);
cb.RestoreState();
cb.SaveState();
cb.ConcatCtm(1, 0, 0, 1, eanR.Width + n, eanR.Height - Ean.BarHeight);
Supp.PlaceBarcode(cb, barColor, textColor);
cb.RestoreState();
return(BarcodeSize);
}
public void OutputText(int x, int y, int flag, int x1, int y1, int x2, int y2, string text)
{
var font = _state.CurrentFont;
var refX = _state.TransformX(x);
var refY = _state.TransformY(y);
var angle = _state.TransformAngle(font.Angle);
var sin = (float)Math.Sin(angle);
var cos = (float)Math.Cos(angle);
var fontSize = font.GetFontSize(_state);
var bf = font.Font;
var align = _state.TextAlign;
var textWidth = bf.GetWidthPoint(text, fontSize);
float tx = 0;
float ty = 0;
var descender = bf.GetFontDescriptor(BaseFont.DESCENT, fontSize);
var ury = bf.GetFontDescriptor(BaseFont.BBOXURY, fontSize);
Cb.SaveState();
Cb.ConcatCtm(cos, sin, -sin, cos, refX, refY);
if ((align & MetaState.TaCenter) == MetaState.TaCenter)
{
tx = -textWidth / 2;
}
else if ((align & MetaState.TaRight) == MetaState.TaRight)
{
tx = -textWidth;
}
if ((align & MetaState.TaBaseline) == MetaState.TaBaseline)
{
ty = 0;
}
else if ((align & MetaState.TaBottom) == MetaState.TaBottom)
{
ty = -descender;
}
else
{
ty = -ury;
}
BaseColor textColor;
if (_state.BackgroundMode == MetaState.Opaque)
{
textColor = _state.CurrentBackgroundColor;
Cb.SetColorFill(textColor);
Cb.Rectangle(tx, ty + descender, textWidth, ury - descender);
Cb.Fill();
}
textColor = _state.CurrentTextColor;
Cb.SetColorFill(textColor);
Cb.BeginText();
Cb.SetFontAndSize(bf, fontSize);
Cb.SetTextMatrix(tx, ty);
Cb.ShowText(text);
Cb.EndText();
if (font.IsUnderline())
{
Cb.Rectangle(tx, ty - fontSize / 4, textWidth, fontSize / 15);
Cb.Fill();
}
if (font.IsStrikeout())
{
Cb.Rectangle(tx, ty + fontSize / 3, textWidth, fontSize / 15);
Cb.Fill();
}
Cb.RestoreState();
}
