// compute the best dimensions fitting within the given size
private Specific_TextLayout ComputeDimensions(Size availableSize, bool debug)
{
DateTime start = DateTime.Now;
numComputations++;
FormattedParagraph formattedText = this.formatText(availableSize.Width, debug, this.FontSize);
Size desiredSize = formattedText.Size;
if (desiredSize.Width < 0 || desiredSize.Height < 0)
{
ErrorReporter.ReportParadox("Illegal size " + desiredSize + " returned by textFormatter.FormatText");
}
bool cropped = false;
double width, height;
// assign the width, height, and score
if (desiredSize.Width <= availableSize.Width && desiredSize.Height <= availableSize.Height)
{
// no cropping is necessary
width = desiredSize.Width;
height = desiredSize.Height;
}
else
{
// cropping
cropped = true;
if (this.ScoreIfCropped)
{
width = Math.Min(desiredSize.Width, availableSize.Width);
height = Math.Min(desiredSize.Height, availableSize.Height);
}
else
{
width = height = 0;
}
}
Specific_TextLayout specificLayout = new Specific_TextLayout(this.TextItem_Configurer, width, height, this.FontSize,
this.ComputeScore(desiredSize, availableSize, this.TextToFit, formattedText.Text),
formattedText.Text, desiredSize);
specificLayout.Cropped = cropped;
// diagnostics
if (this.LoggingEnabled)
{
DateTime end = DateTime.Now;
TimeSpan duration = end.Subtract(start);
System.Diagnostics.Debug.WriteLine("spent " + duration + " to measure '" + this.Summarize(this.TextToFit) + "' in " + availableSize +
"; desired " + desiredSize + " (formatted = " + this.Summarize(formattedText.Text) + "); requesting " + specificLayout.Size);
}
return(specificLayout);
}
// Tells the required size for a block of text that's supposed to fit it into a column of the given width
// The returned size might have larger width than desiredWidth if needed for the text to fit
public FormattedParagraph FormatText(String text, double desiredWidth, bool allowSplittingWords, bool debug, double fontSize)
{
FormattedParagraph result;
if (text == null || text == "")
{
result = new FormattedParagraph(new Size(), text);
if (debug)
{
System.Diagnostics.Debug.WriteLine("Formatted empty text '" + text + "' into size " + result);
}
return(result);
}
string[] blocks = text.Split('\n');
double maxWidth = 0, totalHeight = 0;
List <string> formattedStrings = new List <string>();
for (int i = 0; i < blocks.Length; i++)
{
string block = blocks[i];
string formatBlock = block;
if (formatBlock == "")
{
formatBlock = "M";
}
FormattedParagraph formattedBlock = this.FormatParagraph(formatBlock, desiredWidth, allowSplittingWords, fontSize);
if (block == "")
{
formattedBlock.Text = block;
}
formattedStrings.Add(formattedBlock.Text);
Size blockSize = formattedBlock.Size;
maxWidth = Math.Max(maxWidth, blockSize.Width);
totalHeight += blockSize.Height;
}
string formattedText = String.Join("\n", formattedStrings);
result = new FormattedParagraph(new Size(maxWidth, totalHeight), formattedText);
if (debug)
{
System.Diagnostics.Debug.WriteLine("Formatted text '" + text + "'" + " using desiredWith = " + desiredWidth +
" and allowSplittingWords = " + allowSplittingWords + " into size " + result);
}
return(result);
}
