public SizeF GetTextSize(
SizeF proposedSize,
bool autoFitInProposedSize,
TextParams textParams)
{
SizeF sizeF = SizeF.Empty;
StringFormat stringFormat = textParams.CreateStringFormat();
string s = textParams.text.Length <= RadGdiGraphics.GdiStringLengthLimit ? textParams.text : textParams.text.Substring(0, RadGdiGraphics.GdiStringLengthLimit);
lock (MeasurementGraphics.SyncObject)
{
Graphics measurementGraphics = RadGdiGraphics.MeasurementGraphics;
measurementGraphics.TextRenderingHint = textParams.textRenderingHint;
string helperString = this.GetHelperString(s);
sizeF = !autoFitInProposedSize?measurementGraphics.MeasureString(helperString, textParams.font, 0, stringFormat) : measurementGraphics.MeasureString(helperString, textParams.font, proposedSize, stringFormat);
}
stringFormat.Dispose();
this.measuredSize = sizeF;
return(sizeF);
}
public void PaintPrimitive(
IGraphics graphics,
float angle,
SizeF scale,
TextParams textParams)
{
if (this.isDirty)
{
this.isDirty = false;
this.TextBlock = TinyHTMLParsers.Parse(textParams);
}
RectangleF paintingRectangle = textParams.paintingRectangle;
StringFormat stringFormat = textParams.CreateStringFormat();
Graphics underlayGraphics = (Graphics)graphics.UnderlayGraphics;
TextRenderingHint textRenderingHint = underlayGraphics.TextRenderingHint;
underlayGraphics.TextRenderingHint = textParams.textRenderingHint;
this.TextBlock.PaintFormatTextBlock(graphics, paintingRectangle, true, stringFormat, TextFormatFlags.Default, textParams.textWrap, textParams.ClipText);
underlayGraphics.TextRenderingHint = textRenderingHint;
stringFormat.Dispose();
}
public void PaintPrimitive(IGraphics graphics, float angle, SizeF scale, TextParams textParams)
{
if (textParams.useCompatibleTextRendering)
{
graphics.DrawString(textParams, this.measuredSize);
}
else
{
TextFormatFlags flags = this.CreateTextFormatFlags(textParams);
Graphics underlayGraphics = (Graphics)graphics.UnderlayGraphics;
System.Drawing.Drawing2D.GraphicsState state = underlayGraphics.Save();
underlayGraphics.ResetTransform();
TextRenderer.DrawText(underlayGraphics,
textParams.text,
textParams.font,
Rectangle.Ceiling(textParams.paintingRectangle),
textParams.foreColor,
flags);
underlayGraphics.Restore(state);
}
}
public SizeF GetTextSize(SizeF proposedSize, TextParams textParams)
{
SizeF res = SizeF.Empty;
if (string.IsNullOrEmpty(textParams.text) || proposedSize.Width == 0)
{
return(SizeF.Empty);
}
StringFormat sf = textParams.CreateStringFormat();
int avaibleWidth = (int)(float.IsInfinity(proposedSize.Width) ? int.MaxValue : Math.Floor(proposedSize.Width));
string textToMeasure = textParams.text;
if (textParams.useCompatibleTextRendering)
{
//p.p. 29.07.09
//fix very strange bug with Hebrew and FitToGrid Renedering hint
lock (MeasurementGraphics.SyncObject)
{
Graphics g = RadGdiGraphics.MeasurementGraphics;
g.TextRenderingHint = textParams.textRenderingHint;
res = g.MeasureString(textToMeasure, textParams.font, avaibleWidth, sf);
res.Height = (float)Math.Round(res.Height);
res.Width = (float)Math.Ceiling(res.Width);
//g.Dispose();
}
}
else if (!string.IsNullOrEmpty(textToMeasure))
{
TextFormatFlags flags = this.CreateTextFormatFlags(textParams);
res = TextRenderer.MeasureText(textToMeasure, textParams.font, new Size(avaibleWidth, int.MaxValue), flags);
}
sf.Dispose();
this.measuredSize = res;
return(res);
}
public TextFormatFlags CreateTextFormatFlags(TextParams textParams)
{
TextFormatFlags textFormatFlags = this.TranslateAlignmentForGDI(this.RtlContentAlignment(textParams));
if (textParams.autoEllipsis)
{
textFormatFlags |= TextFormatFlags.EndEllipsis;
}
if (textParams.rightToLeft)
{
textFormatFlags |= TextFormatFlags.RightToLeft;
}
if (!textParams.useMnemonic)
{
textFormatFlags |= TextFormatFlags.NoPrefix;
}
if (!textParams.showKeyboardCues)
{
textFormatFlags |= TextFormatFlags.HidePrefix;
}
return((!textParams.textWrap ? textFormatFlags | TextFormatFlags.SingleLine : textFormatFlags | TextFormatFlags.WordBreak) | TextFormatFlags.PreserveGraphicsTranslateTransform);
}
public void PaintPrimitive(IGraphics graphics, float angle, SizeF scale, TextParams textParams)
{
this.textPrimitiveImpl.PaintPrimitive(graphics, angle, scale, textParams);
}
/// <summary>Draws the primitive on the screen.</summary>
public override void PaintPrimitive(IGraphics graphics, float angle, SizeF scale)
{
TextParams textParams = this.CreateTextParams();
this.textPrimitiveImpl.PaintPrimitive(graphics, angle, scale, textParams);
}
// helper method which changes the whitespaces with a dummy character
public StringFormat CreateStringFormat()
{
TextParams textParams = this.CreateTextParams();
return(textParams.CreateStringFormat());
}
public SizeF GetTextSize(SizeF proposedSize)
{
TextParams textParams = this.CreateTextParams();
return(this.textPrimitiveImpl.GetTextSize(proposedSize, textParams));
}
public SizeF GetTextSize()
{
TextParams textParams = this.CreateTextParams();
return(this.textPrimitiveImpl.GetTextSize(textParams));
}
public void PaintPrimitive(Telerik.WinControls.Paint.IGraphics graphics, float angle, System.Drawing.SizeF scale, TextParams textParams)
{
if (this.isDirty)
{
this.isDirty = false;
this.TextBlock = TinyHTMLParsers.Parse(textParams);
}
RectangleF paintingRectangle = textParams.paintingRectangle;
StringFormat format = textParams.CreateStringFormat();
this.TextBlock.PaintFormatTextBlock(graphics, paintingRectangle, true, format, TextFormatFlags.Default, textParams.textWrap, textParams.ClipText);
format.Dispose();
}
public SizeF GetTextSize(SizeF proposedSize, TextParams textParams)
{
return(this.textPrimitiveImpl.GetTextSize(proposedSize, textParams));
}
public void PaintPrimitive(Telerik.WinControls.Paint.IGraphics graphics, TextParams textParams)
{
this.PaintPrimitive(graphics, 0f, new SizeF(1f, 1f), textParams);
}
internal virtual TextFormatFlags CreateTextFormatFlags(Size constrainingSize, TextParams textParams)
{
TextFormatFlags flags = CreateTextFormatFlags(textParams);
if (!this.MeasureTextCache.TextRequiresWordBreak(textParams.text, textParams.font, constrainingSize, flags))
{
flags &= ~(TextFormatFlags.TextBoxControl | TextFormatFlags.WordBreak);
}
return(flags);
}
/// <summary>Retrieves the text size.</summary>
public SizeF GetTextSize(TextParams textParams)
{
return(this.GetTextSize(LayoutUtils.MaxSizeF, textParams));
}
public System.Drawing.SizeF MeasureOverride(System.Drawing.SizeF availableSize, TextParams textParams)
{
if (previousAvailableSize != availableSize)
{
this.isDirty = true;
previousAvailableSize = availableSize;
}
if (this.isDirty)
{
this.isDirty = false;
this.TextBlock = TinyHTMLParsers.Parse(textParams);
}
Size textSize = Size.Ceiling(this.TextBlock.GetTextSize(availableSize, textParams));
Size res = LayoutUtils.FlipSizeIf(textParams.textOrientation == Orientation.Vertical, textSize);
Size minSize = LayoutUtils.FlipSizeIf(textParams.textOrientation == Orientation.Vertical, textSize);
res.Width = Math.Max(res.Width, minSize.Width);
res.Height = Math.Max(res.Height, minSize.Height);
return(res);
}
public void PaintPrimitive(Telerik.WinControls.Paint.IGraphics graphics, TextParams textParams)
{
this.PaintPrimitive(graphics, 0f, scalingSize, textParams);
}
public void PaintPrimitive(IGraphics graphics, TextParams textParams)
{
this.textPrimitiveImpl.PaintPrimitive(graphics, textParams);
}
public SizeF MeasureOverride(SizeF availableSize, TextParams textParams)
{
return(this.textPrimitiveImpl.MeasureOverride(availableSize, textParams));
}
public void PaintPrimitive(IGraphics graphics, TextParams textParams)
{
this.PaintPrimitive(graphics, 0.0f, this.scalingSize, textParams);
}
public SizeF GetTextSize(TextParams textParams)
{
return(this.textPrimitiveImpl.GetTextSize(textParams));
}
public void PaintPrimitive(IGraphics graphics, TextParams textParams)
{
this.PaintPrimitive(graphics, 0.0f, new SizeF(1f, 1f), textParams);
}
