private void DrawString(PageText pt, Graphics g, RectangleF r)
{
StyleInfo si = pt.SI;
string s = pt.Text;
Font drawFont = null;
StringFormat drawFormat = null;
Brush drawBrush = null;
try
{
// STYLE
System.Drawing.FontStyle fs = 0;
if (si.FontStyle == FontStyleEnum.Italic)
{
fs |= System.Drawing.FontStyle.Italic;
}
switch (si.TextDecoration)
{
case TextDecorationEnum.Underline:
fs |= System.Drawing.FontStyle.Underline;
break;
case TextDecorationEnum.LineThrough:
fs |= System.Drawing.FontStyle.Strikeout;
break;
case TextDecorationEnum.Overline:
case TextDecorationEnum.None:
break;
}
// 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
{
drawFont = new Font(si.GetFontFamily(), si.FontSize, fs); // si.FontSize already in points
}
catch (ArgumentException)
{
drawFont = new Font("Arial", si.FontSize, fs); // if this fails we'll let the error pass thru
}
// ALIGNMENT
drawFormat = new StringFormat();
switch (si.TextAlign)
{
case TextAlignEnum.Right:
drawFormat.Alignment = StringAlignment.Far;
break;
case TextAlignEnum.Center:
drawFormat.Alignment = StringAlignment.Center;
break;
case TextAlignEnum.Left:
default:
drawFormat.Alignment = StringAlignment.Near;
break;
}
if (pt.SI.WritingMode == WritingModeEnum.tb_rl)
{
drawFormat.FormatFlags |= StringFormatFlags.DirectionRightToLeft;
drawFormat.FormatFlags |= StringFormatFlags.DirectionVertical;
}
switch (si.VerticalAlign)
{
case VerticalAlignEnum.Bottom:
drawFormat.LineAlignment = StringAlignment.Far;
break;
case VerticalAlignEnum.Middle:
drawFormat.LineAlignment = StringAlignment.Center;
break;
case VerticalAlignEnum.Top:
default:
drawFormat.LineAlignment = StringAlignment.Near;
break;
}
// draw the background
DrawBackground(g, r, si);
// adjust drawing rectangle based on padding
// http://www.fyireporting.com/forum/viewtopic.php?t=892
//A.S.> convert pt to px if needed(when printing we need px, when draw preview - pt)
RectangleF r2;
if (g.PageUnit == GraphicsUnit.Pixel)
{
r2 = new RectangleF(r.Left + (si.PaddingLeft * g.DpiX) / 72,
r.Top + (si.PaddingTop * g.DpiX) / 72,
r.Width - ((si.PaddingLeft + si.PaddingRight) * g.DpiX) / 72,
r.Height - ((si.PaddingTop + si.PaddingBottom) * g.DpiX) / 72);
}
else
{
// adjust drawing rectangle based on padding
r2 = new RectangleF(r.Left + si.PaddingLeft,
r.Top + si.PaddingTop,
r.Width - si.PaddingLeft - si.PaddingRight,
r.Height - si.PaddingTop - si.PaddingBottom);
}
drawBrush = new SolidBrush(si.Color);
if (si.TextAlign == TextAlignEnum.Justified)
{
GraphicsExtended.DrawStringJustified(g, pt.Text, drawFont, drawBrush, r2);
}
else if (pt.NoClip) // request not to clip text
{
g.DrawString(pt.Text, drawFont, drawBrush, new PointF(r.Left, r.Top), drawFormat);
}
else
{
g.DrawString(pt.Text, drawFont, drawBrush, r2, drawFormat);
}
}
finally
{
if (drawFont != null)
{
drawFont.Dispose();
}
if (drawFormat != null)
{
drawFont.Dispose();
}
if (drawBrush != null)
{
drawBrush.Dispose();
}
}
}
private void DrawString(PageText pt, Xwt.Drawing.Context g, Xwt.Rectangle r)
{
StyleInfo si = pt.SI;
string s = pt.Text;
g.Save();
layout = new Xwt.Drawing.TextLayout(g);
layout.Font = g.Font;
float fontsize = (si.FontSize * 72 / 96);
layout.Font.WithFamily(si.GetFontFamily().Name);
layout.Font.WithPixelSize(fontsize * PixelsX(1));
if (si.FontStyle == FontStyleEnum.Italic)
{
layout.Font.WithStyle(Xwt.Drawing.FontStyle.Italic);
}
switch (si.FontWeight)
{
case FontWeightEnum.Bold:
case FontWeightEnum.Bolder:
case FontWeightEnum.W500:
case FontWeightEnum.W600:
case FontWeightEnum.W700:
case FontWeightEnum.W800:
case FontWeightEnum.W900:
layout.Font.WithWeight(Xwt.Drawing.FontWeight.Bold);
break;
}
// TODO: Fix Alignment
//switch (si.TextAlign)
//{
// case TextAlignEnum.Right:
// layout.Alignment = Pango.Alignment.Right;
// break;
// case TextAlignEnum.Center:
// layout.Alignment = Pango.Alignment.Center;
// break;
// case TextAlignEnum.Left:
// default:
// layout.Alignment = Pango.Alignment.Left;
// break;
//}
// TODO: Fix with
//layout.Width = Pango.Units.FromPixels((int)(r.Width - si.PaddingLeft - si.PaddingRight - 2));
layout.Text = s;
//Xwt.Rectangle logical;
// Xwt.Rectangle ink;
// TODO: Fix
//layout.GetExtents(out ink, out logical);
double height = 12; // logical.Height / Pango.Scale.PangoScale;
double y = 0;
switch (si.VerticalAlign)
{
case VerticalAlignEnum.Top:
y = r.Y + si.PaddingTop;
break;
case VerticalAlignEnum.Middle:
y = r.Y + (r.Height - height) / 2;
break;
case VerticalAlignEnum.Bottom:
y = r.Y + (r.Height - height) - si.PaddingBottom;
break;
}
// draw the background
DrawBackground(g, r, si);
Xwt.Rectangle box = new Xwt.Rectangle(
r.X + si.PaddingLeft + 1,
y,
r.Width,
r.Height);
Xwt.Drawing.Color sicolor = XwtColor.SystemColorToXwtColor(si.Color);
g.SetColor(sicolor);
g.MoveTo(box.X, box.Y);
g.DrawTextLayout(layout, box.X, box.Y);
g.Restore();
}
private void DrawString(string s, Cairo.Context g, Cairo.Rectangle r)
{
StyleInfo si = new StyleInfo();
g.Save();
Pango.Layout layout;
layout = Pango.CairoHelper.CreateLayout(g);
float fontsize = (si.FontSize * 72 / 96);
var font = Pango.FontDescription.FromString(string.Format("{0} {1}", si.GetFontFamily().Name,
fontsize * PixelsX(1)));
if (si.FontStyle == FontStyleEnum.Italic)
{
font.Style = Pango.Style.Italic;
}
switch (si.FontWeight)
{
case FontWeightEnum.Bold:
case FontWeightEnum.Bolder:
case FontWeightEnum.W500:
case FontWeightEnum.W600:
case FontWeightEnum.W700:
case FontWeightEnum.W800:
case FontWeightEnum.W900:
font.Weight = Pango.Weight.Bold;
break;
}
Pango.FontDescription oldfont = layout.FontDescription;
layout.FontDescription = font;
switch (si.TextAlign)
{
case TextAlignEnum.Right:
layout.Alignment = Pango.Alignment.Right;
break;
case TextAlignEnum.Center:
layout.Alignment = Pango.Alignment.Center;
break;
case TextAlignEnum.Left:
default:
layout.Alignment = Pango.Alignment.Left;
break;
}
layout.Width = Pango.Units.FromPixels((int)(r.Width - si.PaddingLeft - si.PaddingRight - 2));
// layout.Width = (int)Pango.Units.FromPixels((int)r.Width);
layout.SetText(s);
Pango.Rectangle logical;
Pango.Rectangle ink;
layout.GetExtents(out ink, out logical);
double height = logical.Height / Pango.Scale.PangoScale;
double y = 0;
switch (si.VerticalAlign)
{
case VerticalAlignEnum.Top:
y = r.Y + si.PaddingTop;
break;
case VerticalAlignEnum.Middle:
y = r.Y + (r.Height - height) / 2;
break;
case VerticalAlignEnum.Bottom:
y = r.Y + (r.Height - height) - si.PaddingBottom;
break;
}
Cairo.Rectangle box = new Cairo.Rectangle(
r.X + si.PaddingLeft + 1,
y,
r.Width,
r.Height);
g.Color = si.Color.ToCairoColor();
g.MoveTo(box.X, box.Y);
Pango.CairoHelper.ShowLayout(g, layout);
layout.FontDescription = oldfont;
g.Restore();
}
private void DrawString(PageText pt, Cairo.Context g, Cairo.Rectangle r)
{
StyleInfo si = pt.SI;
string s = pt.Text;
g.Save();
layout = Pango.CairoHelper.CreateLayout(g);
// Font drawFont = null;
// StringFormat drawFormat = null;
// Brush drawBrush = null;
// STYLE
// System.Drawing.FontStyle fs = 0;
// if (si.FontStyle == FontStyleEnum.Italic)
// fs |= System.Drawing.FontStyle.Italic;
//Pango fonts are scaled to 72dpi, Windows fonts uses 96dpi
float fontsize = (si.FontSize * 72 / 96);
var font = Pango.FontDescription.FromString(string.Format("{0} {1}", si.GetFontFamily().Name,
fontsize * PixelsX(1)));
if (si.FontStyle == FontStyleEnum.Italic)
{
font.Style = Pango.Style.Italic;
}
//
// switch (si.TextDecoration)
// {
// case TextDecorationEnum.Underline:
// fs |= System.Drawing.FontStyle.Underline;
// break;
// case TextDecorationEnum.LineThrough:
// fs |= System.Drawing.FontStyle.Strikeout;
// break;
// case TextDecorationEnum.Overline:
// case TextDecorationEnum.None:
// break;
// }
// 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
// {
// drawFont = new Font(si.GetFontFamily(), si.FontSize, fs); // si.FontSize already in points
// }
// catch (ArgumentException)
// {
// drawFont = new Font("Arial", si.FontSize, fs); // if this fails we'll let the error pass thru
// }
//font.AbsoluteSize = (int)(PixelsX (si.FontSize));
switch (si.FontWeight)
{
case FontWeightEnum.Bold:
case FontWeightEnum.Bolder:
case FontWeightEnum.W500:
case FontWeightEnum.W600:
case FontWeightEnum.W700:
case FontWeightEnum.W800:
case FontWeightEnum.W900:
font.Weight = Pango.Weight.Bold;
break;
}
Pango.FontDescription oldfont = layout.FontDescription;
layout.FontDescription = font;
// ALIGNMENT
// drawFormat = new StringFormat();
// switch (si.TextAlign)
// {
// case TextAlignEnum.Right:
// drawFormat.Alignment = StringAlignment.Far;
// break;
// case TextAlignEnum.Center:
// drawFormat.Alignment = StringAlignment.Center;
// break;
// case TextAlignEnum.Left:
// default:
// drawFormat.Alignment = StringAlignment.Near;
// break;
// }
switch (si.TextAlign)
{
case TextAlignEnum.Right:
layout.Alignment = Pango.Alignment.Right;
break;
case TextAlignEnum.Center:
layout.Alignment = Pango.Alignment.Center;
break;
case TextAlignEnum.Left:
default:
layout.Alignment = Pango.Alignment.Left;
break;
}
layout.Width = Pango.Units.FromPixels((int)(r.Width - si.PaddingLeft - si.PaddingRight - 2));
// layout.Width = (int)Pango.Units.FromPixels((int)r.Width);
layout.SetText(s);
// if (pt.SI.WritingMode == WritingModeEnum.tb_rl)
// {
// drawFormat.FormatFlags |= StringFormatFlags.DirectionRightToLeft;
// drawFormat.FormatFlags |= StringFormatFlags.DirectionVertical;
// }
// switch (si.VerticalAlign)
// {
// case VerticalAlignEnum.Bottom:
// drawFormat.LineAlignment = StringAlignment.Far;
// break;
// case VerticalAlignEnum.Middle:
// drawFormat.LineAlignment = StringAlignment.Center;
// break;
// case VerticalAlignEnum.Top:
// default:
// drawFormat.LineAlignment = StringAlignment.Near;
// break;
// }
//
Pango.Rectangle logical;
Pango.Rectangle ink;
layout.GetExtents(out ink, out logical);
double height = logical.Height / Pango.Scale.PangoScale;
double y = 0;
switch (si.VerticalAlign)
{
case VerticalAlignEnum.Top:
y = r.Y + si.PaddingTop;
break;
case VerticalAlignEnum.Middle:
y = r.Y + (r.Height - height) / 2;
break;
case VerticalAlignEnum.Bottom:
y = r.Y + (r.Height - height) - si.PaddingBottom;
break;
}
// draw the background
DrawBackground(g, r, si);
// adjust drawing rectangle based on padding
// Cairo.Rectangle r2 = new Cairo.Rectangle(r.X + si.PaddingLeft,
// r.Y + si.PaddingTop,
// r.Width - si.PaddingLeft - si.PaddingRight,
// r.Height - si.PaddingTop - si.PaddingBottom);
Cairo.Rectangle box = new Cairo.Rectangle(
r.X + si.PaddingLeft + 1,
y,
r.Width,
r.Height);
//drawBrush = new SolidBrush(si.Color);
g.Color = si.Color.ToCairoColor();
// if (pt.NoClip) // request not to clip text
// {
// g.DrawString(pt.Text, drawFont, drawBrush, new PointF(r.Left, r.Top), drawFormat);
// //HighlightString(g, pt, new RectangleF(r.Left, r.Top, float.MaxValue, float.MaxValue),drawFont, drawFormat);
// }
// else
// {
// g.DrawString(pt.Text, drawFont, drawBrush, r2, drawFormat);
// //HighlightString(g, pt, r2, drawFont, drawFormat);
// }
g.MoveTo(box.X, box.Y);
Pango.CairoHelper.ShowLayout(g, layout);
layout.FontDescription = oldfont;
g.Restore();
}
private void DrawStringTBLR(PageText pt, Cairo.Context g, Cairo.Rectangle r)
{
StyleInfo si = pt.SI;
string s = pt.Text;
g.Save();
layout = CairoHelper.CreateLayout(g);
//Pango fonts are scaled to 72dpi, Windows fonts uses 96dpi
float fontsize = (si.FontSize * 72 / 96);
var font = FontDescription.FromString($"{si.GetFontFamily().Name} {fontsize * PixelsX(1)}");
if (si.FontStyle == FontStyleEnum.Italic)
{
font.Style = Style.Italic;
}
switch (si.FontWeight)
{
case FontWeightEnum.Bold:
case FontWeightEnum.Bolder:
case FontWeightEnum.W500:
case FontWeightEnum.W600:
case FontWeightEnum.W700:
case FontWeightEnum.W800:
case FontWeightEnum.W900:
font.Weight = Weight.Bold;
break;
}
FontDescription oldfont = layout.FontDescription;
layout.FontDescription = font;
switch (si.TextAlign)
{
case TextAlignEnum.Right:
layout.Alignment = Alignment.Right;
break;
case TextAlignEnum.Center:
layout.Alignment = Alignment.Center;
break;
case TextAlignEnum.Left:
default:
layout.Alignment = Alignment.Left;
break;
}
layout.Width = Units.FromPixels((int)(r.Height - si.PaddingTop - si.PaddingBottom - 2));
layout.Wrap = WrapMode.WordChar;
layout.SetText(s);
Rectangle logical;
Rectangle ink;
layout.GetExtents(out ink, out logical);
double height = logical.Height / Scale.PangoScale;
double y = 0;
double x = 0;
switch (si.VerticalAlign)
{
case VerticalAlignEnum.Top:
x = r.X + si.PaddingLeft;
break;
case VerticalAlignEnum.Middle:
x = r.X + (r.Width - height) / 2;
break;
case VerticalAlignEnum.Bottom:
x = r.X + (r.Width - height) + si.PaddingLeft;
break;
}
// draw the background
DrawBackground(g, r, si);
Cairo.Rectangle box = new Cairo.Rectangle(
x,
r.Y + r.Height - si.PaddingBottom - 1,
r.Height - si.PaddingBottom - si.PaddingTop,
r.Width - si.PaddingLeft + si.PaddingRight);
g.Color = si.Color.ToCairoColor();
g.Rotate(270 * Math.PI / 180.0);
CairoHelper.UpdateLayout(g, layout);
g.MoveTo(-box.Y, box.X);
CairoHelper.ShowLayout(g, layout);
layout.FontDescription = oldfont;
g.Restore();
}
private void DrawStringHorizontal(PageText pt, Cairo.Context g, Cairo.Rectangle r)
{
StyleInfo si = pt.SI;
string s = pt.Text;
g.Save();
layout = CairoHelper.CreateLayout(g);
float fontsize = si.FontSize * 72f / 96f;
var font = FontDescription.FromString(string.Format("{0} {1}", si.GetFontFamily().Name,
fontsize * PixelsX(1)));
if (si.FontStyle == FontStyleEnum.Italic)
{
font.Style = Style.Italic;
}
switch (si.FontWeight)
{
case FontWeightEnum.Bold:
case FontWeightEnum.Bolder:
case FontWeightEnum.W500:
case FontWeightEnum.W600:
case FontWeightEnum.W700:
case FontWeightEnum.W800:
case FontWeightEnum.W900:
font.Weight = Weight.Bold;
break;
}
FontDescription oldfont = layout.FontDescription;
layout.FontDescription = font;
switch (si.TextAlign)
{
case TextAlignEnum.Right:
layout.Alignment = Alignment.Right;
break;
case TextAlignEnum.Center:
layout.Alignment = Alignment.Center;
break;
case TextAlignEnum.Left:
default:
layout.Alignment = Alignment.Left;
break;
}
layout.Width = Units.FromPixels((int)(r.Width - si.PaddingLeft - si.PaddingRight - 2));
layout.Wrap = WrapMode.WordChar;
layout.SetText(s);
Rectangle logical;
Rectangle ink;
layout.GetExtents(out ink, out logical);
double height = logical.Height / Scale.PangoScale;
double y = 0;
switch (si.VerticalAlign)
{
case VerticalAlignEnum.Top:
y = r.Y + si.PaddingTop;
break;
case VerticalAlignEnum.Middle:
y = r.Y + (r.Height - height) / 2;
break;
case VerticalAlignEnum.Bottom:
y = r.Y + (r.Height - height) - si.PaddingBottom;
break;
}
// draw the background
DrawBackground(g, r, si);
Cairo.Rectangle box = new Cairo.Rectangle(
r.X + si.PaddingLeft + 1,
y,
r.Width,
r.Height);
g.Color = si.Color.ToCairoColor();
g.MoveTo(box.X, box.Y);
CairoHelper.ShowLayout(g, layout);
layout.FontDescription = oldfont;
g.Restore();
}
private void DrawString(PageText pt, Graphics g, RectangleF r)
{
StyleInfo si = pt.SI;
string s = pt.Text;
Font drawFont = null;
StringFormat drawFormat = null;
Brush drawBrush = null;
try
{
// STYLE
System.Drawing.FontStyle fs = 0;
if (si.FontStyle == FontStyleEnum.Italic)
{
fs |= System.Drawing.FontStyle.Italic;
}
switch (si.TextDecoration)
{
case TextDecorationEnum.Underline:
fs |= System.Drawing.FontStyle.Underline;
break;
case TextDecorationEnum.LineThrough:
fs |= System.Drawing.FontStyle.Strikeout;
break;
case TextDecorationEnum.Overline:
case TextDecorationEnum.None:
break;
}
// 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
{
drawFont = new Font(si.GetFontFamily(), si.FontSize, fs); // si.FontSize already in points
}
catch (ArgumentException)
{
drawFont = new Font("Arial", si.FontSize, fs); // if this fails we'll let the error pass thru
}
// ALIGNMENT
drawFormat = new StringFormat();
switch (si.TextAlign)
{
case TextAlignEnum.Right:
drawFormat.Alignment = StringAlignment.Far;
break;
case TextAlignEnum.Center:
drawFormat.Alignment = StringAlignment.Center;
break;
case TextAlignEnum.Left:
default:
drawFormat.Alignment = StringAlignment.Near;
break;
}
if (pt.SI.WritingMode == WritingModeEnum.tb_rl)
{
drawFormat.FormatFlags |= StringFormatFlags.DirectionRightToLeft;
drawFormat.FormatFlags |= StringFormatFlags.DirectionVertical;
}
switch (si.VerticalAlign)
{
case VerticalAlignEnum.Bottom:
drawFormat.LineAlignment = StringAlignment.Far;
break;
case VerticalAlignEnum.Middle:
drawFormat.LineAlignment = StringAlignment.Center;
break;
case VerticalAlignEnum.Top:
default:
drawFormat.LineAlignment = StringAlignment.Near;
break;
}
// draw the background
DrawBackground(g, r, si);
// adjust drawing rectangle based on padding
RectangleF r2 = new RectangleF(r.Left + si.PaddingLeft,
r.Top + si.PaddingTop,
r.Width - si.PaddingLeft - si.PaddingRight,
r.Height - si.PaddingTop - si.PaddingBottom);
drawBrush = new SolidBrush(si.Color);
if (pt.NoClip) // request not to clip text
{
g.DrawString(pt.Text, drawFont, drawBrush, new PointF(r.Left, r.Top), drawFormat);
//HighlightString(g, pt, new RectangleF(r.Left, r.Top, float.MaxValue, float.MaxValue),drawFont, drawFormat);
}
else
{
g.DrawString(pt.Text, drawFont, drawBrush, r2, drawFormat);
//HighlightString(g, pt, r2, drawFont, drawFormat);
}
}
finally
{
if (drawFont != null)
{
drawFont.Dispose();
}
if (drawFormat != null)
{
drawFont.Dispose();
}
if (drawBrush != null)
{
drawBrush.Dispose();
}
}
}
private string[] MeasureString(PageText pt, Graphics g, out float[] width)
{
StyleInfo si = pt.SI;
string s = pt.Text;
System.Drawing.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 System.Drawing.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] = Measurement.PointsFromPixels(ms.Width, g.DpiX); // 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 = Measurement.PointsFromPixels(ms.Width, g.DpiX);
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();
}
}
}
