private static void DrawAdaptativeString(IFlxGraphics Canvas, TAdaptativeFormats AdaptativeFormats, string Text, Font AFont, Brush TextBrush, real x, real y)
{
int start = 0;
foreach (TCharAndPos cp in AdaptativeFormats.Separators)
{
if (cp.Pos >= Text.Length)
{
break; //just a security measure.
}
string SubText = Text.Substring(start, cp.Pos - start);
Canvas.DrawString(SubText, AFont, TextBrush, x, y);
start = cp.Pos + 1;
x += Canvas.MeasureString(SubText + Text[cp.Pos], AFont).Width;
if (start - 1 < Text.Length && CharUtils.IsSurrogatePair(Text, start - 1))
{
start++;
}
}
if (start < Text.Length)
{
Canvas.DrawString(Text.Substring(start), AFont, TextBrush, x, y);
}
}
internal static void WriteText(ExcelFile Workbook, IFlxGraphics Canvas, TFontCache FontCache, real Zoom100, Font AFont, Color AFontColor, real x, real y, real SubOfs, TRichString OutText, real Alpha, real MaxDescent, TAdaptativeFormats AdaptativeFormats)
{
if (OutText.Length == 0)
{
return;
}
if (Alpha != 0)
{
Canvas.SaveTransform();
}
try
{
if (Alpha != 0)
{
Canvas.Rotate(x, y, Alpha);
}
using (Brush TextBrush = new SolidBrush(AFontColor))
{
if (OutText.RTFRunCount == 0)
{
if (AdaptativeFormats == null || AdaptativeFormats.Separators == null || AdaptativeFormats.Separators.Length == 0) //formats are only applied to non rich text cells.
{
Canvas.DrawString(OutText.Value, AFont, TextBrush, x, y + SubOfs);
}
else
{
DrawAdaptativeString(Canvas, AdaptativeFormats, OutText.Value, AFont, TextBrush, x, y + SubOfs);
}
}
else
{
SizeF Result;
string s1 = OutText.Value.Substring(0, OutText.RTFRun(0).FirstChar);
if (s1.Length > 0)
{
Result = Canvas.MeasureString(s1, AFont, new TPointF(x, y));
Canvas.DrawString(s1, AFont, TextBrush, x, y + SubOfs - (MaxDescent - Canvas.FontDescent(AFont)));
x += Result.Width;
}
for (int i = 0; i < OutText.RTFRunCount - 1; i++)
{
TFlxFont Fx = OutText.GetFont(OutText.RTFRun(i).FontIndex);
TSubscriptData Sub = new TSubscriptData(Fx.Style);
Font MyFont = FontCache.GetFont(Fx, Zoom100 * Sub.Factor);
{
using (Brush MyBrush = new SolidBrush(GetColor(Workbook, Fx.Color)))
{
int Start = OutText.RTFRun(i).FirstChar;
if (Start >= OutText.Length)
{
Start = OutText.Length;
}
int Len = OutText.RTFRun(i + 1).FirstChar;
if (Len >= OutText.Length)
{
Len = OutText.Length;
}
Len -= Start;
string s2 = OutText.Value.Substring(Start, Len);
Result = Canvas.MeasureString(s2, MyFont, new TPointF(x, y));
Canvas.DrawString(s2, MyFont, MyBrush, x, y + Sub.Offset(Canvas, MyFont) - (MaxDescent - Canvas.FontDescent(MyFont)));
x += Result.Width;
}
}
}
TFlxFont Fy = OutText.GetFont(OutText.RTFRun(OutText.RTFRunCount - 1).FontIndex);
TSubscriptData Suby = new TSubscriptData(Fy.Style);
Font MyFont2 = FontCache.GetFont(Fy, Zoom100 * Suby.Factor);
{
using (Brush MyBrush = new SolidBrush(GetColor(Workbook, Fy.Color)))
{
int Start = OutText.RTFRun(OutText.RTFRunCount - 1).FirstChar;
if (Start >= OutText.Length)
{
Start = OutText.Length;
}
string s3 = OutText.Value.Substring(Start);
Result = Canvas.MeasureString(s3, MyFont2, new TPointF(x, y));
Canvas.DrawString(s3, MyFont2, MyBrush, x, y + Suby.Offset(Canvas, MyFont2) - (MaxDescent - Canvas.FontDescent(MyFont2)));
}
}
}
}
}
finally
{
if (Alpha != 0)
{
Canvas.ResetTransform();
}
}
}
internal static void DrawPlainText(IFlxGraphics Canvas, ExcelFile Workbook, TShapeProperties ShProp, RectangleF Coords, TShadowInfo ShadowInfo, TClippingStyle Clipping, float Zoom100)
{
string Text = GetGeoText(ShProp);
if (Text == null)
{
return;
}
Text = Text.Replace("\n", String.Empty);
string[] Lines = Text.Split('\r');
if (Lines == null || Lines.Length <= 0)
{
return;
}
int LinesLength = Lines[Lines.Length - 1].Length == 0? Lines.Length - 1: Lines.Length; //Last line is an empty enter.
if (LinesLength <= 0)
{
return;
}
using (Font TextFont = GetGeoFont(ShProp))
{
using (Pen pe = GetPen(ShProp, Workbook, ShadowInfo))
{
Canvas.SaveTransform();
try
{
float LineGap = Canvas.FontLinespacing(TextFont);
SizeF[] Sizes = new SizeF[LinesLength];
Sizes[0] = Canvas.MeasureStringEmptyHasHeight(Lines[0], TextFont);
Sizes[0].Height -= LineGap; //Linespacing is not included here.
SizeF sz = Sizes[0];
for (int i = 1; i < LinesLength; i++)
{
Sizes[i] = Canvas.MeasureStringEmptyHasHeight(Lines[i], TextFont);
if (Sizes[i].Width > sz.Width)
{
sz.Width = Sizes[i].Width;
}
sz.Height += Sizes[i].Height;
}
if (sz.Width <= 0 || sz.Height <= 0 || Coords.Width <= 0 || Coords.Height <= 0)
{
return;
}
float rx = Coords.Width / sz.Width;
float ry = Coords.Height / sz.Height;
Canvas.Scale(rx, ry);
using (Brush br = GetBrush(new RectangleF(Coords.Left / rx, Coords.Top / ry, sz.Width, sz.Height), ShProp, Workbook, ShadowInfo, Zoom100)) //Mast be selected AFTER scaling, so gradients work.
{
float y = LineGap;
for (int i = 0; i < LinesLength; i++)
{
y += Sizes[i].Height;
float x = (sz.Width - Sizes[i].Width) / 2f;
Canvas.DrawString(Lines[i], TextFont, pe, br, Coords.Left / rx + x, Coords.Top / ry + y);
}
}
}
finally
{
Canvas.ResetTransform();
}
}
}
}