Beispiel #1
0
        public void DrawMultiLineOfText(PdfFormField field, string text, BaseFont font, float fontSize, float llx, float lly, float urx, float ury)
        {
            PdfAppearance tp  = PdfAppearance.CreateAppearance(writer, urx - llx, ury - lly);
            PdfAppearance tp2 = (PdfAppearance)tp.Duplicate;

            tp2.SetFontAndSize(font, fontSize);
            tp2.ResetRGBColorFill();
            field.DefaultAppearanceString = tp2;
            tp.DrawTextField(0f, 0f, urx - llx, ury - lly);
            tp.BeginVariableText();
            tp.SaveState();
            tp.Rectangle(3f, 3f, urx - llx - 6f, ury - lly - 6f);
            tp.Clip();
            tp.NewPath();
            tp.BeginText();
            tp.SetFontAndSize(font, fontSize);
            tp.ResetRGBColorFill();
            tp.SetTextMatrix(4, 5);
            var   tokenizer = new StringTokenizer(text, "\n");
            float yPos      = ury - lly;

            while (tokenizer.HasMoreTokens())
            {
                yPos -= fontSize * 1.2f;
                tp.ShowTextAligned(PdfContentByte.ALIGN_LEFT, tokenizer.NextToken(), 3, yPos, 0);
            }
            tp.EndText();
            tp.RestoreState();
            tp.EndVariableText();
            field.SetAppearance(PdfAnnotation.APPEARANCE_NORMAL, tp);
        }
Beispiel #2
0
        public void DrawSingleLineOfText(PdfFormField field, string text, BaseFont font, float fontSize, float llx, float lly, float urx, float ury)
        {
            PdfAppearance tp  = PdfAppearance.CreateAppearance(writer, urx - llx, ury - lly);
            PdfAppearance tp2 = (PdfAppearance)tp.Duplicate;

            tp2.SetFontAndSize(font, fontSize);
            tp2.ResetRGBColorFill();
            field.DefaultAppearanceString = tp2;
            tp.DrawTextField(0f, 0f, urx - llx, ury - lly);
            tp.BeginVariableText();
            tp.SaveState();
            tp.Rectangle(3f, 3f, urx - llx - 6f, ury - lly - 6f);
            tp.Clip();
            tp.NewPath();
            tp.BeginText();
            tp.SetFontAndSize(font, fontSize);
            tp.ResetRGBColorFill();
            tp.SetTextMatrix(4, (ury - lly) / 2 - (fontSize * 0.3f));
            tp.ShowText(text);
            tp.EndText();
            tp.RestoreState();
            tp.EndVariableText();
            field.SetAppearance(PdfAnnotation.APPEARANCE_NORMAL, tp);
        }
Beispiel #3
0
        /**
         * Get the <code>PdfAppearance</code> of a list field
         * @throws IOException on error
         * @throws DocumentException on error
         * @return A <code>PdfAppearance</code>
         */
        internal PdfAppearance GetListAppearance()
        {
            PdfAppearance app = GetBorderAppearance();

            app.BeginVariableText();
            if (choices == null || choices.Length == 0)
            {
                app.EndVariableText();
                return(app);
            }
            int topChoice = choiceSelection;

            if (topChoice >= choices.Length)
            {
                topChoice = choices.Length - 1;
            }
            if (topChoice < 0)
            {
                topChoice = 0;
            }
            BaseFont ufont = RealFont;
            float    usize = fontSize;

            if (usize == 0)
            {
                usize = 12;
            }
            bool  borderExtra = borderStyle == PdfBorderDictionary.STYLE_BEVELED || borderStyle == PdfBorderDictionary.STYLE_INSET;
            float h           = box.Height - borderWidth * 2;
            float offsetX     = borderWidth;

            if (borderExtra)
            {
                h       -= borderWidth * 2;
                offsetX *= 2;
            }
            float leading = ufont.GetFontDescriptor(BaseFont.BBOXURY, usize) - ufont.GetFontDescriptor(BaseFont.BBOXLLY, usize);
            int   maxFit  = (int)(h / leading) + 1;
            int   first   = 0;
            int   last    = 0;

            last  = topChoice + maxFit / 2 + 1;
            first = last - maxFit;
            if (first < 0)
            {
                last += first;
                first = 0;
            }
            //        first = topChoice;
            last = first + maxFit;
            if (last > choices.Length)
            {
                last = choices.Length;
            }
            topFirst = first;
            app.SaveState();
            app.Rectangle(offsetX, offsetX, box.Width - 2 * offsetX, box.Height - 2 * offsetX);
            app.Clip();
            app.NewPath();
            Color fcolor = (textColor == null) ? GrayColor.GRAYBLACK : textColor;

            app.SetColorFill(new Color(10, 36, 106));
            app.Rectangle(offsetX, offsetX + h - (topChoice - first + 1) * leading, box.Width - 2 * offsetX, leading);
            app.Fill();
            float xp = offsetX * 2;
            float yp = offsetX + h - ufont.GetFontDescriptor(BaseFont.BBOXURY, usize);

            for (int idx = first; idx < last; ++idx, yp -= leading)
            {
                String ptext = choices[idx];
                int    rtl   = CheckRTL(ptext) ? PdfWriter.RUN_DIRECTION_LTR : PdfWriter.RUN_DIRECTION_NO_BIDI;
                ptext = RemoveCRLF(ptext);
                Phrase phrase = ComposePhrase(ptext, ufont, (idx == topChoice) ? GrayColor.GRAYWHITE : fcolor, usize);
                ColumnText.ShowTextAligned(app, Element.ALIGN_LEFT, phrase, xp, yp, 0, rtl, 0);
            }
            app.RestoreState();
            app.EndVariableText();
            return(app);
        }
Beispiel #4
0
        /**
         * Get the <code>PdfAppearance</code> of a text or combo field
         * @throws IOException on error
         * @throws DocumentException on error
         * @return A <code>PdfAppearance</code>
         */
        public PdfAppearance GetAppearance()
        {
            PdfAppearance app = GetBorderAppearance();

            app.BeginVariableText();
            if (text == null || text.Length == 0)
            {
                app.EndVariableText();
                return(app);
            }
            bool  borderExtra = borderStyle == PdfBorderDictionary.STYLE_BEVELED || borderStyle == PdfBorderDictionary.STYLE_INSET;
            float h           = box.Height - borderWidth * 2 - extraMarginTop;
            float bw2         = borderWidth;

            if (borderExtra)
            {
                h   -= borderWidth * 2;
                bw2 *= 2;
            }
            float offsetX = Math.Max(bw2, 1);
            float offX    = Math.Min(bw2, offsetX);

            app.SaveState();
            app.Rectangle(offX, offX, box.Width - 2 * offX, box.Height - 2 * offX);
            app.Clip();
            app.NewPath();
            String ptext;

            if ((options & PASSWORD) != 0)
            {
                ptext = ObfuscatePassword(text);
            }
            else if ((options & MULTILINE) == 0)
            {
                ptext = RemoveCRLF(text);
            }
            else
            {
                ptext = text; //fixed by Kazuya Ujihara (ujihara.jp)
            }
            BaseFont ufont  = RealFont;
            Color    fcolor = (textColor == null) ? GrayColor.GRAYBLACK : textColor;
            int      rtl    = CheckRTL(ptext) ? PdfWriter.RUN_DIRECTION_LTR : PdfWriter.RUN_DIRECTION_NO_BIDI;
            float    usize  = fontSize;
            Phrase   phrase = ComposePhrase(ptext, ufont, fcolor, usize);

            if ((options & MULTILINE) != 0)
            {
                float      width  = box.Width - 4 * offsetX - extraMarginLeft;
                float      factor = ufont.GetFontDescriptor(BaseFont.BBOXURY, 1) - ufont.GetFontDescriptor(BaseFont.BBOXLLY, 1);
                ColumnText ct     = new ColumnText(null);
                if (usize == 0)
                {
                    usize = h / factor;
                    if (usize > 4)
                    {
                        if (usize > 12)
                        {
                            usize = 12;
                        }
                        float step = Math.Max((usize - 4) / 10, 0.2f);
                        ct.SetSimpleColumn(0, -h, width, 0);
                        ct.Alignment    = alignment;
                        ct.RunDirection = rtl;
                        for (; usize > 4; usize -= step)
                        {
                            ct.YLine = 0;
                            ChangeFontSize(phrase, usize);
                            ct.SetText(phrase);
                            ct.Leading = factor * usize;
                            int status = ct.Go(true);
                            if ((status & ColumnText.NO_MORE_COLUMN) == 0)
                            {
                                break;
                            }
                        }
                    }
                    if (usize < 4)
                    {
                        usize = 4;
                    }
                }
                ChangeFontSize(phrase, usize);
                ct.Canvas = app;
                float leading = usize * factor;
                float offsetY = offsetX + h - ufont.GetFontDescriptor(BaseFont.BBOXURY, usize);
                ct.SetSimpleColumn(extraMarginLeft + 2 * offsetX, -20000, box.Width - 2 * offsetX, offsetY + leading);
                ct.Leading      = leading;
                ct.Alignment    = alignment;
                ct.RunDirection = rtl;
                ct.SetText(phrase);
                ct.Go();
            }
            else
            {
                if (usize == 0)
                {
                    float maxCalculatedSize = h / (ufont.GetFontDescriptor(BaseFont.BBOXURX, 1) - ufont.GetFontDescriptor(BaseFont.BBOXLLY, 1));
                    ChangeFontSize(phrase, 1);
                    float wd = ColumnText.GetWidth(phrase, rtl, 0);
                    if (wd == 0)
                    {
                        usize = maxCalculatedSize;
                    }
                    else
                    {
                        usize = Math.Min(maxCalculatedSize, (box.Width - extraMarginLeft - 4 * offsetX) / wd);
                    }
                    if (usize < 4)
                    {
                        usize = 4;
                    }
                }
                ChangeFontSize(phrase, usize);
                float offsetY = offX + ((box.Height - 2 * offX) - ufont.GetFontDescriptor(BaseFont.ASCENT, usize)) / 2;
                if (offsetY < offX)
                {
                    offsetY = offX;
                }
                if (offsetY - offX < -ufont.GetFontDescriptor(BaseFont.DESCENT, usize))
                {
                    float ny = -ufont.GetFontDescriptor(BaseFont.DESCENT, usize) + offX;
                    float dy = box.Height - offX - ufont.GetFontDescriptor(BaseFont.ASCENT, usize);
                    offsetY = Math.Min(ny, Math.Max(offsetY, dy));
                }
                if ((options & COMB) != 0 && maxCharacterLength > 0)
                {
                    int textLen  = Math.Min(maxCharacterLength, ptext.Length);
                    int position = 0;
                    if (alignment == Element.ALIGN_RIGHT)
                    {
                        position = maxCharacterLength - textLen;
                    }
                    else if (alignment == Element.ALIGN_CENTER)
                    {
                        position = (maxCharacterLength - textLen) / 2;
                    }
                    float step  = (box.Width - extraMarginLeft) / maxCharacterLength;
                    float start = step / 2 + position * step;
                    if (textColor == null)
                    {
                        app.SetGrayFill(0);
                    }
                    else
                    {
                        app.SetColorFill(textColor);
                    }
                    app.BeginText();
                    foreach (Chunk ck in phrase)
                    {
                        BaseFont bf = ck.Font.BaseFont;
                        app.SetFontAndSize(bf, usize);
                        StringBuilder sb = ck.Append("");
                        for (int j = 0; j < sb.Length; ++j)
                        {
                            String c  = sb.ToString(j, 1);
                            float  wd = bf.GetWidthPoint(c, usize);
                            app.SetTextMatrix(extraMarginLeft + start - wd / 2, offsetY - extraMarginTop);
                            app.ShowText(c);
                            start += step;
                        }
                    }
                    app.EndText();
                }
                else
                {
                    float x;
                    switch (alignment)
                    {
                    case Element.ALIGN_RIGHT:
                        x = extraMarginLeft + box.Width - (2 * offsetX);
                        break;

                    case Element.ALIGN_CENTER:
                        x = extraMarginLeft + (box.Width / 2);
                        break;

                    default:
                        x = extraMarginLeft + (2 * offsetX);
                        break;
                    }
                    ColumnText.ShowTextAligned(app, alignment, phrase, x, offsetY - extraMarginTop, 0, rtl, 0);
                }
            }
            app.RestoreState();
            app.EndVariableText();
            return(app);
        }