private float MeasureStringBlank(Graphics g, Font drawFont, StringFormat drawFormat)
{
SizeF ms = MeasureString(" ", g, drawFont, drawFormat);
float width = RSize.PointsFromPixels(g, ms.Width); // convert to points from pixels
return(width * 2);
}
public float RunTextCalcHeight(Report rpt, Graphics g, Row row, PageTextHtml pth)
{ // normally only called when CanGrow is true
Size s = Size.Empty;
if (IsHidden(rpt, row))
{
return(0);
}
object o = _Value.Evaluate(rpt, row);
TypeCode tc = _Value.GetTypeCode();
int width = this.WidthCalc(rpt, g);
if (this.Style != null)
{
width -= (Style.EvalPaddingLeftPx(rpt, row) + Style.EvalPaddingRightPx(rpt, row));
if (this.IsHtml(rpt, row))
{
if (pth == null)
{
pth = new PageTextHtml(o == null? "": o.ToString());
SetPagePositionAndStyle(rpt, pth, row);
}
pth.Build(g);
s.Height = RSize.PixelsFromPoints(pth.TotalHeight);
}
else
{
s = Style.MeasureString(rpt, g, o, tc, row, width);
}
}
else // call the class static method
{
s = Style.MeasureStringDefaults(rpt, g, o, tc, row, width);
}
TextboxRuntime tbr = TextboxRuntime.GetTextboxRuntime(rpt, this);
tbr.RunHeight = RSize.PointsFromPixels(g, s.Height);
if (Style != null)
{
tbr.RunHeight += (Style.EvalPaddingBottom(rpt, row) + Style.EvalPaddingTop(rpt, row));
}
return(tbr.RunHeight);
}
/// <summary>
/// Measures the location of words within a string; limited by .Net 1.1 to 32 words
/// MEASUREMAX is a constant that defines that limit
/// </summary>
/// <param name="s"></param>
/// <param name="g"></param>
/// <param name="drawFont"></param>
/// <param name="drawFormat"></param>
/// <param name="cra"></param>
/// <returns></returns>
private WordStartFinish[] MeasureString32(string s, Graphics g, Font drawFont, StringFormat drawFormat, CharacterRange[] cra)
{
if (s == null || s.Length == 0)
{
return(null);
}
drawFormat.SetMeasurableCharacterRanges(cra);
Region[] rs = new Region[cra.Length];
rs = g.MeasureCharacterRanges(s, drawFont, new RectangleF(0, 0, float.MaxValue, float.MaxValue),
drawFormat);
WordStartFinish[] sz = new WordStartFinish[cra.Length];
int isz = 0;
foreach (Region r in rs)
{
RectangleF mr = r.GetBounds(g);
sz[isz].start = RSize.PointsFromPixels(g, mr.Left);
sz[isz].end = RSize.PointsFromPixels(g, mr.Right);
isz++;
}
return(sz);
}
private string[] MeasureString(PageText pt, Graphics g, out float[] width)
{
StyleInfo si = pt.SI;
string s = pt.Text;
Font drawFont = null;
StringFormat drawFormat = null;
SizeF ms;
string[] sa = null;
width = null;
try
{
// STYLE
System.Drawing.FontStyle fs = 0;
if (si.FontStyle == FontStyleEnum.Italic)
{
fs |= System.Drawing.FontStyle.Italic;
}
// WEIGHT
switch (si.FontWeight)
{
case FontWeightEnum.Bold:
case FontWeightEnum.Bolder:
case FontWeightEnum.W500:
case FontWeightEnum.W600:
case FontWeightEnum.W700:
case FontWeightEnum.W800:
case FontWeightEnum.W900:
fs |= System.Drawing.FontStyle.Bold;
break;
default:
break;
}
drawFont = new Font(StyleInfo.GetFontFamily(si.FontFamilyFull), si.FontSize, fs);
drawFormat = new StringFormat();
drawFormat.Alignment = StringAlignment.Near;
// Measure string
// pt.NoClip indicates that this was generated by PageTextHtml Build. It has already word wrapped.
if (pt.NoClip || pt.SI.WritingMode == WritingModeEnum.tb_rl) // TODO: support multiple lines for vertical text
{
ms = MeasureString(s, g, drawFont, drawFormat);
width = new float[1];
width[0] = RSize.PointsFromPixels(g, ms.Width); // convert to points from pixels
sa = new string[1];
sa[0] = s;
return(sa);
}
// handle multiple lines;
// 1) split the string into the forced line breaks (ie "\n and \r")
// 2) foreach of the forced line breaks; break these into words and recombine
s = s.Replace("\r\n", "\n"); // don't want this to result in double lines
string[] flines = s.Split(lineBreak);
List <string> lines = new List <string>();
List <float> lineWidths = new List <float>();
// remove the size reserved for left and right padding
float ptWidth = pt.W - pt.SI.PaddingLeft - pt.SI.PaddingRight;
if (ptWidth <= 0)
{
ptWidth = 1;
}
foreach (string tfl in flines)
{
string fl;
if (tfl.Length > 0 && tfl[tfl.Length - 1] == ' ')
{
fl = tfl.TrimEnd(' ');
}
else
{
fl = tfl;
}
// Check if entire string fits into a line
ms = MeasureString(fl, g, drawFont, drawFormat);
float tw = RSize.PointsFromPixels(g, ms.Width);
if (tw <= ptWidth)
{ // line fits don't need to break it down further
lines.Add(fl);
lineWidths.Add(tw);
continue;
}
// Line too long; need to break into multiple lines
// 1) break line into parts; then build up again keeping track of word positions
string[] parts = fl.Split(wordBreak); // this is the maximum split of lines
StringBuilder sb = new StringBuilder(fl.Length);
CharacterRange[] cra = new CharacterRange[parts.Length];
for (int i = 0; i < parts.Length; i++)
{
int sc = sb.Length; // starting character
sb.Append(parts[i]); // endding character
if (i != parts.Length - 1) // last item doesn't need blank
{
sb.Append(" ");
}
int ec = sb.Length;
CharacterRange cr = new CharacterRange(sc, ec - sc);
cra[i] = cr; // add to character array
}
// 2) Measure the word locations within the line
string wfl = sb.ToString();
WordStartFinish[] wordLocations = MeasureString(wfl, g, drawFont, drawFormat, cra);
if (wordLocations == null)
{
continue;
}
// 3) Loop thru creating new lines as needed
int startLoc = 0;
CharacterRange crs = cra[startLoc];
CharacterRange cre = cra[startLoc];
float cwidth = wordLocations[0].end; // length of the first
float bwidth = wordLocations[0].start; // characters need a little extra on start
string ts;
bool bLine = true;
for (int i = 1; i < cra.Length; i++)
{
cwidth = wordLocations[i].end - wordLocations[startLoc].start + bwidth;
if (cwidth > ptWidth)
{ // time for a new line
cre = cra[i - 1];
ts = wfl.Substring(crs.First, cre.First + cre.Length - crs.First);
lines.Add(ts);
lineWidths.Add(wordLocations[i - 1].end - wordLocations[startLoc].start + bwidth);
// Find the first non-blank character of the next line
while (i < cra.Length &&
cra[i].Length == 1 &&
fl[cra[i].First] == ' ')
{
i++;
}
if (i < cra.Length) // any lines left?
{ // yes, continue on
startLoc = i;
crs = cre = cra[startLoc];
cwidth = wordLocations[i].end - wordLocations[startLoc].start + bwidth;
}
else // no, we can stop
{
bLine = false;
}
// bwidth = wordLocations[startLoc].start - wordLocations[startLoc - 1].end;
}
else
{
cre = cra[i];
}
}
if (bLine)
{
ts = fl.Substring(crs.First, cre.First + cre.Length - crs.First);
lines.Add(ts);
lineWidths.Add(cwidth);
}
}
// create the final array from the Lists
string[] la = lines.ToArray();
width = lineWidths.ToArray();
return(la);
}
finally
{
if (drawFont != null)
{
drawFont.Dispose();
}
if (drawFormat != null)
{
drawFont.Dispose();
}
}
}
// render all the objects in a page in PDF
private void ProcessPage(Pages pgs, IEnumerable items)
{
foreach (PageItem pi in items)
{
if (pi.SI.BackgroundImage != null)
{ // put out any background image
PageImage bgImg = pi.SI.BackgroundImage;
// elements.AddImage(images, i.Name, content.objectNum, i.SI, i.ImgFormat,
// pi.X, pi.Y, pi.W, pi.H, i.ImageData,i.SamplesW, i.SamplesH, null);
//Duc Phan modified 10 Dec, 2007 to support on background image
float imW = RSize.PointsFromPixels(pgs.G, bgImg.SamplesW);
float imH = RSize.PointsFromPixels(pgs.G, bgImg.SamplesH);
int repeatX = 0;
int repeatY = 0;
float itemW = pi.W - (pi.SI.PaddingLeft + pi.SI.PaddingRight);
float itemH = pi.H - (pi.SI.PaddingTop + pi.SI.PaddingBottom);
switch (bgImg.Repeat)
{
case ImageRepeat.Repeat:
repeatX = (int)Math.Floor(itemW / imW);
repeatY = (int)Math.Floor(itemH / imH);
break;
case ImageRepeat.RepeatX:
repeatX = (int)Math.Floor(itemW / imW);
repeatY = 1;
break;
case ImageRepeat.RepeatY:
repeatY = (int)Math.Floor(itemH / imH);
repeatX = 1;
break;
case ImageRepeat.NoRepeat:
default:
repeatX = repeatY = 1;
break;
}
//make sure the image is drawn at least 1 times
repeatX = Math.Max(repeatX, 1);
repeatY = Math.Max(repeatY, 1);
float currX = pi.X + pi.SI.PaddingLeft;
float currY = pi.Y + pi.SI.PaddingTop;
float startX = currX;
float startY = currY;
for (int i = 0; i < repeatX; i++)
{
for (int j = 0; j < repeatY; j++)
{
currX = startX + i * imW;
currY = startY + j * imH;
elements.AddImage(images, bgImg.Name,
content.objectNum, bgImg.SI, bgImg.ImgFormat,
currX, currY, imW, imH, RectangleF.Empty, bgImg.ImageData, bgImg.SamplesW, bgImg.SamplesH, null, pi.Tooltip);
}
}
}
if (pi is PageTextHtml)
{
PageTextHtml pth = pi as PageTextHtml;
pth.Build(pgs.G);
ProcessPage(pgs, pth);
continue;
}
if (pi is PageText)
{
PageText pt = pi as PageText;
float[] textwidth;
string[] sa = MeasureString(pt, pgs.G, out textwidth);
elements.AddText(pt.X, pt.Y, pt.H, pt.W, sa, pt.SI,
fonts, textwidth, pt.CanGrow, pt.HyperLink, pt.NoClip, pt.Tooltip);
if (pt.Bookmark != null)
{
outline.Bookmarks.Add(new PdfOutlineEntry(anchor, page.objectNum, pt.Bookmark, pt.X, elements.PageSize.yHeight - pt.Y));
}
continue;
}
if (pi is PageLine)
{
PageLine pl = pi as PageLine;
elements.AddLine(pl.X, pl.Y, pl.X2, pl.Y2, pl.SI);
continue;
}
if (pi is PageEllipse)
{
PageEllipse pe = pi as PageEllipse;
elements.AddEllipse(pe.X, pe.Y, pe.H, pe.W, pe.SI, pe.HyperLink);
continue;
}
if (pi is PageImage)
{
//PageImage i = pi as PageImage;
//float x = i.X + i.SI.PaddingLeft;
//float y = i.Y + i.SI.PaddingTop;
//float w = i.W - i.SI.PaddingLeft - i.SI.PaddingRight;
//float h = i.H - i.SI.PaddingTop - i.SI.PaddingBottom;
//elements.AddImage(images, i.Name, content.objectNum, i.SI, i.ImgFormat,
// x, y, w, h, i.ImageData,i.SamplesW, i.SamplesH, i.HyperLink);
//continue;
PageImage i = pi as PageImage;
//Duc Phan added 20 Dec, 2007 to support sized image
RectangleF r2 = new RectangleF(i.X + i.SI.PaddingLeft, i.Y + i.SI.PaddingTop, i.W - i.SI.PaddingLeft - i.SI.PaddingRight, i.H - i.SI.PaddingTop - i.SI.PaddingBottom);
RectangleF adjustedRect; // work rectangle
RectangleF clipRect = RectangleF.Empty;
switch (i.Sizing)
{
case ImageSizingEnum.AutoSize:
adjustedRect = new RectangleF(r2.Left, r2.Top,
r2.Width, r2.Height);
break;
case ImageSizingEnum.Clip:
adjustedRect = new RectangleF(r2.Left, r2.Top,
RSize.PointsFromPixels(pgs.G, i.SamplesW), RSize.PointsFromPixels(pgs.G, i.SamplesH));
clipRect = new RectangleF(r2.Left, r2.Top,
r2.Width, r2.Height);
break;
case ImageSizingEnum.FitProportional:
float height;
float width;
float ratioIm = (float)i.SamplesH / i.SamplesW;
float ratioR = r2.Height / r2.Width;
height = r2.Height;
width = r2.Width;
if (ratioIm > ratioR)
{ // this means the rectangle width must be corrected
width = height * (1 / ratioIm);
}
else if (ratioIm < ratioR)
{ // this means the rectangle height must be corrected
height = width * ratioIm;
}
adjustedRect = new RectangleF(r2.X, r2.Y, width, height);
break;
case ImageSizingEnum.Fit:
default:
adjustedRect = r2;
break;
}
if (i.ImgFormat == System.Drawing.Imaging.ImageFormat.Wmf || i.ImgFormat == System.Drawing.Imaging.ImageFormat.Emf)
{
//We dont want to add it - its already been broken down into page items;
}
else
{
elements.AddImage(images, i.Name, content.objectNum, i.SI, i.ImgFormat,
adjustedRect.X, adjustedRect.Y, adjustedRect.Width, adjustedRect.Height, clipRect, i.ImageData, i.SamplesW, i.SamplesH, i.HyperLink, i.Tooltip);
}
continue;
}
if (pi is PageRectangle)
{
PageRectangle pr = pi as PageRectangle;
elements.AddRectangle(pr.X, pr.Y, pr.H, pr.W, pi.SI, pi.HyperLink, patterns, pi.Tooltip);
continue;
}
if (pi is PagePie)
{ // TODO
PagePie pp = pi as PagePie;
// elements.AddPie(pr.X, pr.Y, pr.H, pr.W, pi.SI, pi.HyperLink, patterns, pi.Tooltip);
continue;
}
if (pi is PagePolygon)
{
PagePolygon ppo = pi as PagePolygon;
elements.AddPolygon(ppo.Points, pi.SI, pi.HyperLink, patterns);
continue;
}
if (pi is PageCurve)
{
PageCurve pc = pi as PageCurve;
elements.AddCurve(pc.Points, pi.SI);
continue;
}
}
}
private SizeF MeasureString(string s, StyleInfo si, Graphics g, out float descent)
{
Font drawFont = null;
StringFormat drawFormat = null;
SizeF ms = SizeF.Empty;
descent = 0;
if (s == null || s.Length == 0)
{
return(ms);
}
try
{
// STYLE
System.Drawing.FontStyle fs = 0;
if (si.FontStyle == FontStyleEnum.Italic)
{
fs |= System.Drawing.FontStyle.Italic;
}
// WEIGHT
switch (si.FontWeight)
{
case FontWeightEnum.Bold:
case FontWeightEnum.Bolder:
case FontWeightEnum.W500:
case FontWeightEnum.W600:
case FontWeightEnum.W700:
case FontWeightEnum.W800:
case FontWeightEnum.W900:
fs |= System.Drawing.FontStyle.Bold;
break;
default:
break;
}
try
{
FontFamily ff = si.GetFontFamily();
drawFont = new Font(ff, si.FontSize, fs);
// following algorithm comes from the C# Font Metrics documentation
float descentPixel = si.FontSize * ff.GetCellDescent(fs) / ff.GetEmHeight(fs);
descent = RSize.PointsFromPixels(g, descentPixel);
}
catch
{
drawFont = new Font("Arial", si.FontSize, fs); // usually because font not found
descent = 0;
}
drawFormat = new StringFormat();
drawFormat.Alignment = StringAlignment.Near;
CharacterRange[] cr = { new CharacterRange(0, s.Length) };
drawFormat.SetMeasurableCharacterRanges(cr);
Region[] rs = new Region[1];
rs = g.MeasureCharacterRanges(s, drawFont, new RectangleF(0, 0, float.MaxValue, float.MaxValue),
drawFormat);
RectangleF mr = rs[0].GetBounds(g);
ms.Height = RSize.PointsFromPixels(g, mr.Height); // convert to points from pixels
ms.Width = RSize.PointsFromPixels(g, mr.Width); // convert to points from pixels
return(ms);
}
finally
{
if (drawFont != null)
{
drawFont.Dispose();
}
if (drawFormat != null)
{
drawFont.Dispose();
}
}
}
private PageImage BuildImage(Graphics g, string token, StyleInfo oldsi, PageText model)
{
PageTextHtmlCmdLexer hc = new PageTextHtmlCmdLexer(token.Substring(4));
Hashtable ht = hc.Lex();
string src = (string)ht["src"];
if (src == null || src.Length < 1)
{
return(null);
}
string alt = (string)ht["alt"];
string height = (string)ht["height"];
string width = (string)ht["width"];
string align = (string)ht["align"];
Stream strm = null;
System.Drawing.Image im = null;
PageImage pi = null;
try
{
// Obtain the image stream
if (src.StartsWith("http:") ||
src.StartsWith("file:") ||
src.StartsWith("https:"))
{
WebRequest wreq = WebRequest.Create(src);
WebResponse wres = wreq.GetResponse();
strm = wres.GetResponseStream();
}
else
{
strm = new FileStream(src, System.IO.FileMode.Open, FileAccess.Read);
}
im = System.Drawing.Image.FromStream(strm);
int h = im.Height;
int w = im.Width;
MemoryStream ostrm = new MemoryStream();
ImageFormat imf;
imf = ImageFormat.Jpeg;
im.Save(ostrm, imf);
byte[] ba = ostrm.ToArray();
ostrm.Close();
pi = new PageImage(imf, ba, w, h);
pi.AllowSelect = false;
pi.Page = this.Page;
pi.HyperLink = model.HyperLink;
pi.Tooltip = alt == null ? model.Tooltip : alt;
pi.X = 0;
pi.Y = 0;
pi.W = RSize.PointsFromPixels(g, width != null? Convert.ToInt32(width): w);
pi.H = RSize.PointsFromPixels(g, height != null? Convert.ToInt32(height): h);
pi.SI = new StyleInfo();
}
catch
{
pi = null;
}
finally
{
if (strm != null)
{
strm.Close();
}
if (im != null)
{
im.Dispose();
}
}
return(pi);
}
private int GetTwipsFromPixels(int pixels)
{
return((int)Math.Round(RSize.PointsFromPixels(GetGraphics, pixels) * 20, 0));
}