iTextSharp.text.pdf.PdfContentByte.ShowTextAligned C# (CSharp) 메소드

        private void ShowTextAligned(int alignment, String text, float x, float y, float rotation, bool kerned)
        {
            if (state.fontDetails == null)
                throw new Exception(MessageLocalization.GetComposedMessage("font.and.size.must.be.set.before.writing.any.text"));
            if (rotation == 0) {
                switch (alignment) {
                    case ALIGN_CENTER:
                        x -= GetEffectiveStringWidth(text, kerned) / 2;
                        break;
                    case ALIGN_RIGHT:
                        x -= GetEffectiveStringWidth(text, kerned);
                        break;
                }
                SetTextMatrix(x, y);
                if (kerned)
                    ShowTextKerned(text);
                else
                    ShowText(text);
            }
            else {
                double alpha = rotation * Math.PI / 180.0;
                float cos = (float)Math.Cos(alpha);
                float sin = (float)Math.Sin(alpha);
                float len;
                switch (alignment) {
                    case ALIGN_CENTER:
                        len = GetEffectiveStringWidth(text, kerned) / 2;
                        x -=  len * cos;
                        y -=  len * sin;
                        break;
                    case ALIGN_RIGHT:
                        len = GetEffectiveStringWidth(text, kerned);
                        x -=  len * cos;
                        y -=  len * sin;
                        break;
                }
                SetTextMatrix(cos, sin, -sin, cos, x, y);
                if (kerned)
                    ShowTextKerned(text);
                else
                    ShowText(text);
                SetTextMatrix(0f, 0f);
            }
        }

// ---------------------------------------------------------------------------           
    /**
     * Draws some text on every calendar sheet.
     * 
     */
    protected void DrawInfo(PdfContentByte directcontent) {
      directcontent.BeginText();
      directcontent.SetFontAndSize(bf, 18);
      float x, y;
      x = (OFFSET_LEFT + WIDTH + OFFSET_LOCATION) / 2;
      y = OFFSET_BOTTOM + HEIGHT + 24;
      directcontent.ShowTextAligned(
        Element.ALIGN_CENTER,
        "FOOBAR FILM FESTIVAL", x, y, 0
      );
      x = OFFSET_LOCATION + WIDTH_LOCATION / 2f - 6;
      y = OFFSET_BOTTOM + HEIGHT_LOCATION;
      directcontent.ShowTextAligned(
        Element.ALIGN_CENTER,
        "The Majestic", x, y, 90
      );
      y = OFFSET_BOTTOM + HEIGHT_LOCATION * 4f;
      directcontent.ShowTextAligned(
        Element.ALIGN_CENTER,
        "Googolplex", x, y, 90
      );
      y = OFFSET_BOTTOM + HEIGHT_LOCATION * 7.5f;
      directcontent.ShowTextAligned(
        Element.ALIGN_CENTER,
        "Cinema Paradiso", x, y, 90
      );
      directcontent.SetFontAndSize(bf, 12);
      x = OFFSET_LOCATION + WIDTH_LOCATION - 6;
      for (int i = 0; i < LOCATIONS; i++) {
        y = OFFSET_BOTTOM + ((8.5f - i) * HEIGHT_LOCATION);
        directcontent.ShowTextAligned(
          Element.ALIGN_CENTER,
          locations[i], x, y, 90
        );
      }
      directcontent.SetFontAndSize(bf, 6);
      y = OFFSET_BOTTOM + HEIGHT + 1;
      for (int i = 0; i < TIMESLOTS; i++) {
        x = OFFSET_LEFT + (i * WIDTH_TIMESLOT);
        directcontent.ShowTextAligned(
          Element.ALIGN_LEFT,
          TIME[i], x, y, 45
        );
      }
      directcontent.EndText();
    }