internal static SizeF CalcTextExtent(IFlxGraphics Canvas, TFontCache FontCache, real Zoom100,
Font AFont, TRichString Text, out real MaxDescent)
{
MaxDescent = Canvas.FontDescent(AFont);
if (Text.RTFRunCount == 0)
{
return(Canvas.MeasureStringEmptyHasHeight(Text.Value, AFont));
}
real x = 0;
real y = 0;
SizeF Result;
Result = Canvas.MeasureString(Text.Value.Substring(0, Text.RTFRun(0).FirstChar), AFont, new TPointF(0, 0));
x = Result.Width; y = Result.Height;
for (int i = 0; i < Text.RTFRunCount - 1; i++)
{
TFlxFont Fx = Text.GetFont(Text.RTFRun(i).FontIndex);
TSubscriptData Sub = new TSubscriptData(Fx.Style);
Font MyFont = FontCache.GetFont(Fx, Zoom100 * Sub.Factor);
{
int Start = Text.RTFRun(i).FirstChar;
if (Start >= Text.Length)
{
Start = Text.Length;
}
int Len = Text.RTFRun(i + 1).FirstChar;
if (Len >= Text.Length)
{
Len = Text.Length;
}
Len -= Start;
if (Len < 0)
{
continue; //wrong file, (i+1)FirstChar < (i).FirstChar
}
Result = Canvas.MeasureString(Text.Value.Substring(Start, Len), MyFont, new TPointF(0, 0));
x += Result.Width; y = Math.Max(y + Sub.Offset(Canvas, MyFont), Result.Height);
MaxDescent = Math.Max(MaxDescent, Canvas.FontDescent(MyFont) + Sub.Offset(Canvas, MyFont));
}
}
TFlxFont Fy = Text.GetFont(Text.RTFRun(Text.RTFRunCount - 1).FontIndex);
TSubscriptData Suby = new TSubscriptData(Fy.Style);
Font MyFont2 = FontCache.GetFont(Fy, Zoom100 * Suby.Factor);
{
int Start = Text.RTFRun(Text.RTFRunCount - 1).FirstChar;
if (Start >= Text.Length)
{
Start = Text.Length;
}
Result = Canvas.MeasureStringEmptyHasHeight(Text.Value.Substring(Start), MyFont2);
x += Result.Width; y = Math.Max(y + Suby.Offset(Canvas, MyFont2), Result.Height);
MaxDescent = Math.Max(MaxDescent, Canvas.FontDescent(MyFont2) + Suby.Offset(Canvas, MyFont2));
}
return(new SizeF(x, y));
}
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();
}
}
}
}
