Exemplo n.º 1
0
 public void AddLine(LineMetrics line)
 {
     lineMetrices.Add(line);
 }
Exemplo n.º 2
0
        /// <summary>
        /// Style line instead of word by word. Some tags such as bold, italic, font etc will be added to multiple words
        /// Less common styles added on each word it applies.
        /// </summary>
        /// <param name="line"></param>
        public static void StyleLine(LineMetrics line)
        {
            StringBuilder sb   = new StringBuilder();
            ChunkMetrics  prev = line.ChunkMetrices.ElementAt(0);

            StyleWord(prev, true);

            for (int i = 1; i < line.ChunkMetrices.Count; i++)
            {
                StringBuilder closeTags = new StringBuilder();

                if (line.ChunkMetrices.ElementAt(i).FontFamily != prev.FontFamily)
                {
                }

                if (line.ChunkMetrices.ElementAt(i).GetFontSize() != prev.GetFontSize())
                {
                }

                if (line.ChunkMetrices.ElementAt(i).Bold)
                {
                    if (!prev.Bold)
                    {
                        sb.Append("<b>");
                    }
                }
                else
                {
                    if (prev.Bold)
                    {
                        closeTags.Append("</b>");
                    }
                }

                if (line.ChunkMetrices.ElementAt(i).Italic)
                {
                }

                // The bottom four decorating will be less common and so added word by word
                if (line.ChunkMetrices.ElementAt(i).Strikethrough)
                {
                    sb.Append("<s>");
                    closeTags.Append("</s>");
                }

                if (line.ChunkMetrices.ElementAt(i).Underline)
                {
                    sb.Append("<u>");
                    closeTags.Append("</u>");
                }

                if (line.ChunkMetrices.ElementAt(i).Superscript)
                {
                    sb.Append("<sup>");
                    closeTags.Append("</sup");
                }

                if (line.ChunkMetrices.ElementAt(i).Subscript)
                {
                    sb.Append("<sub>");
                    closeTags.Append("</sub>");
                }

                sb.Append(line.ChunkMetrices.ElementAt(i));
                sb.Append(closeTags);
            }
        }
Exemplo n.º 3
0
 public float LineWidthProportion(LineMetrics line)
 {
     return(line.ContentWidth() / pageMaxWidth);
 }
Exemplo n.º 4
0
 public float LineHeightProportion(LineMetrics line)
 {
     return(line.ContentHeight() / pageMaxHeight);
 }
        /// Captures text using a simplified algorithm for inserting hard returns and spaces
        ///     @param   renderInfo  render info
        public virtual void RenderText(TextRenderInfo renderInfo)
        {
            // todo handle adding last line

            string text = renderInfo.GetText().Replace('\t', ' ');

            if (!Utils.FloatsNearlyEqual(renderInfo.GetBaseline().GetStartPoint().Get(Vector.I2), baseline, 0.01f) &&
                !Utils.FloatsNearlyEqual(renderInfo.GetAscentLine().GetStartPoint().Get(Vector.I2), ascent, 0.01f))
            {
                startOfNewline = true;
            }

            if (startOfNewline)
            {
                if (currLine != null)
                {
                    if (currChunk.ChunkStr.Length > 0)
                    {
                        StartNewWord();
                        startOfChunk = true;
                    }
                    currLine.RightMostPos     = bottomRight.Get(Vector.I1);
                    currLine.LineSpacingBelow =
                        currLine.Descent - renderInfo.GetAscentLine().GetStartPoint().Get(Vector.I2);
                }

                currLine = new LineMetrics();
                pageMetrics.AddLine(currLine);
                currLine.Ascent           = renderInfo.GetAscentLine().GetStartPoint().Get(Vector.I2);
                currLine.Descent          = renderInfo.GetDescentLine().GetStartPoint().Get(Vector.I2);
                currLine.Baseline         = renderInfo.GetBaseline().GetStartPoint().Get(Vector.I2);
                currLine.LeftMostPos      = renderInfo.GetBaseline().GetStartPoint().Get(Vector.I1);
                currLine.LineSpacingAbove = descent - currLine.Ascent;

                startOfNewline = false;
            }

            CharMetrics charMetrics;

            // Check if there is space char required between chunks
            if (GetResultantText().Length > 0 &&
                IsSpaceRequired(bottomRight.Get(Vector.I1), renderInfo.GetBaseline().GetStartPoint().Get(Vector.I1),
                                renderInfo.GetBaseline().GetStartPoint().Get(Vector.I2),
                                renderInfo.GetSingleSpaceWidth())) // todo switch order

            {
                charMetrics             = new CharMetrics(' ');
                charMetrics.BottomLeft  = new Vector3D(bottomLeft);
                charMetrics.TopLeft     = new Vector3D(topLeft);
                charMetrics.BottomRight = new Vector3D(renderInfo.GetBaseline().GetStartPoint());
                charMetrics.TopRight    = new Vector3D(renderInfo.GetAscentLine().GetStartPoint());
                this.charMetrices.Add(charMetrics);
                text = " " + text; // todo extra spacing? e.g. handle if it is 4x singlespace width
            }

            TextRenderInfo lastChar = null;
            int            charInd  = 0;

            foreach (TextRenderInfo charInfo in renderInfo.GetCharacterRenderInfos())
            {
                if (charInfo.GetText().Length == 0)
                {
                    continue;
                }

                if (lastChar != null && IsSpaceRequired(lastChar.GetBaseline().GetEndPoint().Get(Vector.I1),
                                                        charInfo.GetBaseline().GetStartPoint().Get(Vector.I1),
                                                        renderInfo.GetSingleSpaceWidth()))
                {
                    charMetrics             = new CharMetrics(' ');
                    charMetrics.FontSize    = charInfo.GetFontSize();
                    charMetrics.BottomLeft  = new Vector3D(lastChar.GetBaseline().GetEndPoint());
                    charMetrics.TopLeft     = new Vector3D(lastChar.GetAscentLine().GetEndPoint());
                    charMetrics.BottomRight = new Vector3D(charInfo.GetBaseline().GetStartPoint());
                    charMetrics.TopRight    = new Vector3D(charInfo.GetAscentLine().GetStartPoint());
                    charMetrices.Add(charMetrics);
                    text = text.Insert(charInd + 1, " ");
                }

                char c = charInfo.GetText()[0] == '\t' ? ' ' : charInfo.GetText()[0];
                charMetrics             = new CharMetrics(c);
                charMetrics.FontSize    = charInfo.GetFontSize();
                charMetrics.BottomLeft  = new Vector3D(charInfo.GetBaseline().GetStartPoint());
                charMetrics.TopLeft     = new Vector3D(charInfo.GetAscentLine().GetStartPoint());
                charMetrics.BottomRight = new Vector3D(charInfo.GetBaseline().GetEndPoint());
                charMetrics.TopRight    = new Vector3D(charInfo.GetAscentLine().GetEndPoint());
                charMetrices.Add(charMetrics);

                lastChar = charInfo;
                charInd++;
            }

            if (startOfChunk)
            {
                if (Utils.FloatsNearlyEqual(currLine.Baseline, baseline, 0.001f))
                {
                    float horSpacing = Math.Abs(
                        bottomRight.Get(Vector.I1) - renderInfo.GetBaseline().GetStartPoint().Get(Vector.I1));
                    if (horSpacing > spaceWidth)
                    {
                        Console.Write("");
                    }
                }

                bottomLeft           = renderInfo.GetBaseline().GetStartPoint();
                topLeft              = renderInfo.GetAscentLine().GetStartPoint();
                currChunk.BottomLeft = new Vector3D(bottomLeft);
                currChunk.TopLeft    = new Vector3D(topLeft);
                baseline             = renderInfo.GetBaseline().GetStartPoint().Get(Vector.I2);
                ascent     = renderInfo.GetAscentLine().GetStartPoint().Get(Vector.I2);
                descent    = renderInfo.GetDescentLine().GetStartPoint().Get(Vector.I2);
                spaceWidth = renderInfo.GetSingleSpaceWidth();

                startOfChunk = false;
            }

            bottomRight = renderInfo.GetBaseline().GetEndPoint();
            topRight    = renderInfo.GetAscentLine().GetEndPoint();

            string currFont = renderInfo.GetFont() != null?renderInfo.GetFont().ToString() : "";

            if (currChunk.FontFamily == null && currFont.Length > 0)
            {
                currChunk.FontFamily = currFont;
            }

            //Check if faux bold is used
            if ((renderInfo.GetTextRenderMode() == (int)TextRenderMode.FillThenStrokeText) || // todo include render mode for outsets etc?
                renderInfo.GetFont().GetFontProgram().GetFontNames().IsBold())
            {
                currChunk.Bold = true;
            }

            if (!(Utils.FloatsNearlyEqual(renderInfo.GetFont().GetFontProgram().GetFontMetrics().GetItalicAngle(), 0, 0.001f)) ||
                renderInfo.GetFont().GetFontProgram().GetFontNames().IsItalic())
            {
                currChunk.Italic = true;
            }

            if (currChunk.FillColor == null && renderInfo.GetFillColor() != null)
            {
                currChunk.FillColor = ProcessColorInfo(renderInfo.GetFillColor());
            }

            if (currChunk.StrokeColor == null && renderInfo.GetStrokeColor() != null)
            {
                currChunk.StrokeColor = ProcessColorInfo(renderInfo.GetStrokeColor());
            }

            currChunk.Append(text);
            result.Append(text); // todo include newlines
        }