public ParaProps(FastTextBlock tb)
{
this.tb = tb;
props = new TextProps(tb);
}
public void UpdateParent(FastTextBlock ftb)
{
text = ftb.Text;
props = new TextProps(ftb);
}
public void UpdateParent(FastTextBlock ftb)
{
text = ftb.Text;
props = new TextProps(ftb);
}
public override TextRun GetTextRun(int textSourceCharacterIndex)
{
var index = textSourceCharacterIndex;
if (runs.ContainsKey(index)) {
var run = runs[index];
runs.Remove(index);
return run;
}
if (index >= text.Length || text[index] == '\r' || text[index] == '\n') {
if (index < text.Length && text[index] != '\r')
return new TextCharacters(" ", null);
else
return new TextEndOfParagraph(1);
}
int defaultTextLength, tokenLength;
TextTokenKind tokenKind;
if (!tokens.Find(index, out defaultTextLength, out tokenKind, out tokenLength)) {
Debug.Fail("Could not find token info");
return new TextCharacters(" ", null);
}
TextCharacters defaultRun = null, tokenRun = null;
if (defaultTextLength != 0) {
var defaultText = text.Substring(index, defaultTextLength);
defaultRun = new TextCharacters(defaultText, new TextProps {
background = (Brush)parent.GetValue(TextElement.BackgroundProperty),
foreground = TextElement.GetForeground(parent),
typeface = new Typeface(
TextElement.GetFontFamily(parent),
TextElement.GetFontStyle(parent),
TextElement.GetFontWeight(parent),
TextElement.GetFontStretch(parent)
),
fontSize = TextElement.GetFontSize(parent),
});
}
index += defaultTextLength;
if (tokenLength != 0) {
var tc = GetColor(tokenKind);
var tokenText = text.Substring(index, tokenLength);
var textProps = new TextProps();
textProps.fontSize = TextElement.GetFontSize(parent);
textProps.foreground = tc.Foreground ?? TextElement.GetForeground(parent);
textProps.background = tc.Background ?? (Brush)parent.GetValue(TextElement.BackgroundProperty);
textProps.typeface = new Typeface(
TextElement.GetFontFamily(parent),
tc.FontStyle ?? TextElement.GetFontStyle(parent),
tc.FontWeight ?? TextElement.GetFontWeight(parent),
TextElement.GetFontStretch(parent)
);
tokenRun = new TextCharacters(tokenText, textProps);
}
Debug.Assert(defaultRun != null || tokenRun != null);
if ((defaultRun != null) ^ (tokenRun != null))
return defaultRun ?? tokenRun;
else {
runs[index] = tokenRun;
return defaultRun;
}
}
public ParaProps(FastTextBlock tb)
{
this.tb = tb;
props = new TextProps(tb);
}
public override TextRun GetTextRun(int textSourceCharacterIndex)
{
var index = textSourceCharacterIndex;
if (index >= text.Length)
{
return(new TextEndOfParagraph(1));
}
char c = text[index];
if (c == '\r' || c == '\n' || c == '\u0085' || c == '\u2028' || c == '\u2029')
{
int nlLen = c == '\r' && index + 1 < text.Length && text[index + 1] == '\n' ? 2 : 1;
return(new TextEndOfParagraph(nlLen));
}
int collIndex = GetStartIndex(index);
Debug.Assert(collIndex >= 0);
if (collIndex < 0)
{
return(new TextCharacters(text.Substring(index), GetDefaultTextRunProperties()));
}
var info = tagsList[collIndex];
if (info.Span.End == index)
{
Debug.Assert(collIndex + 1 < tagsList.Length);
if (collIndex + 1 >= tagsList.Length)
{
return(new TextCharacters(text.Substring(index), GetDefaultTextRunProperties()));
}
info = tagsList[collIndex + 1];
}
int startIndex = info.Span.Start;
int endIndex = info.Span.End;
int nlIndex = text.IndexOfAny(LineConstants.newLineChars, index, endIndex - startIndex);
if (nlIndex > 0)
{
endIndex = nlIndex;
}
var props = classificationFormatMap.GetTextProperties(info.ClassificationType);
var tokenText = text.Substring(index, endIndex - startIndex);
var textProps = new TextProps();
textProps.fontSize = TextElement.GetFontSize(parent);
textProps.foreground = (props.ForegroundBrushEmpty ? null : props.ForegroundBrush) ?? TextElement.GetForeground(parent);
textProps.background = (props.BackgroundBrushEmpty ? null : props.BackgroundBrush) ?? (Brush)parent.GetValue(TextElement.BackgroundProperty);
textProps.textEffects = props.TextEffectsEmpty ? null : props.TextEffects;
textProps.textDecorations = props.TextDecorationsEmpty ? null : props.TextDecorations;
textProps.typeface = new Typeface(
TextElement.GetFontFamily(parent),
(props.ItalicEmpty ? (FontStyle?)null : FontStyles.Italic) ?? TextElement.GetFontStyle(parent),
(props.BoldEmpty ? (FontWeight?)null : FontWeights.Bold) ?? TextElement.GetFontWeight(parent),
TextElement.GetFontStretch(parent)
);
return(new TextCharacters(tokenText.Length == 0 ? " " : tokenText, textProps));
}
public override TextRun GetTextRun(int textSourceCharacterIndex)
{
var index = textSourceCharacterIndex;
if (runs.ContainsKey(index))
{
var run = runs[index];
runs.Remove(index);
return(run);
}
if (index >= text.Length || text[index] == '\r' || text[index] == '\n')
{
if (index < text.Length && text[index] != '\r')
{
return(new TextCharacters(" ", null));
}
else
{
return(new TextEndOfParagraph(1));
}
}
int defaultTextLength, tokenLength;
TextTokenType tokenType;
if (!tokens.Find(index, out defaultTextLength, out tokenType, out tokenLength))
{
Debug.Fail("Could not find token info");
return(new TextCharacters(" ", null));
}
TextCharacters defaultRun = null, tokenRun = null;
if (defaultTextLength != 0)
{
var defaultText = text.Substring(index, defaultTextLength);
defaultRun = new TextCharacters(defaultText, new TextProps {
background = (Brush)parent.GetValue(TextElement.BackgroundProperty),
foreground = TextElement.GetForeground(parent),
typeface = new Typeface(
TextElement.GetFontFamily(parent),
TextElement.GetFontStyle(parent),
TextElement.GetFontWeight(parent),
TextElement.GetFontStretch(parent)
),
fontSize = TextElement.GetFontSize(parent),
});
}
index += defaultTextLength;
if (tokenLength != 0)
{
var hlColor = GetColor(tokenType);
var tokenText = text.Substring(index, tokenLength);
var textProps = new TextProps();
textProps.fontSize = TextElement.GetFontSize(parent);
if (hlColor.Foreground != null)
{
textProps.foreground = hlColor.Foreground.GetBrush(null);
}
else
{
textProps.foreground = TextElement.GetForeground(parent);
}
if (hlColor.Background != null)
{
textProps.background = hlColor.Background.GetBrush(null);
}
else
{
textProps.background = (Brush)parent.GetValue(TextElement.BackgroundProperty);
}
textProps.typeface = new Typeface(
TextElement.GetFontFamily(parent),
hlColor.FontStyle ?? TextElement.GetFontStyle(parent),
hlColor.FontWeight ?? TextElement.GetFontWeight(parent),
TextElement.GetFontStretch(parent)
);
tokenRun = new TextCharacters(tokenText, textProps);
}
Debug.Assert(defaultRun != null || tokenRun != null);
if ((defaultRun != null) ^ (tokenRun != null))
{
return(defaultRun ?? tokenRun);
}
else
{
runs[index] = tokenRun;
return(defaultRun);
}
}
public override TextRun GetTextRun(int textSourceCharacterIndex)
{
var index = textSourceCharacterIndex;
if (runs.ContainsKey(index))
{
var run = runs[index];
runs.Remove(index);
return(run);
}
if (index >= text.Length)
{
return(new TextEndOfParagraph(1));
}
char c = text[index];
if (c == '\r' || c == '\n' || c == '\u0085' || c == '\u2028' || c == '\u2029')
{
int nlLen = c == '\r' && index + 1 < text.Length && text[index + 1] == '\n' ? 2 : 1;
return(new TextEndOfParagraph(nlLen));
}
int defaultTextLength, tokenLength;
object color;
if (!cachedTextColorsCollection.Find(index, out defaultTextLength, out color, out tokenLength))
{
Debug.Fail("Could not find token info");
return(new TextCharacters(" ", GetDefaultTextRunProperties()));
}
TextCharacters defaultRun = null, tokenRun = null;
if (defaultTextLength != 0)
{
var defaultText = text.Substring(index, defaultTextLength);
defaultRun = new TextCharacters(defaultText, GetDefaultTextRunProperties());
}
index += defaultTextLength;
if (tokenLength != 0)
{
var tc = GetTextColor(themeManager.Theme, color);
var tokenText = text.Substring(index, tokenLength);
var textProps = new TextProps();
textProps.fontSize = TextElement.GetFontSize(parent);
textProps.foreground = tc.Foreground ?? TextElement.GetForeground(parent);
textProps.background = tc.Background ?? (Brush)parent.GetValue(TextElement.BackgroundProperty);
textProps.typeface = new Typeface(
TextElement.GetFontFamily(parent),
tc.FontStyle ?? TextElement.GetFontStyle(parent),
tc.FontWeight ?? TextElement.GetFontWeight(parent),
TextElement.GetFontStretch(parent)
);
tokenRun = new TextCharacters(tokenText.Length == 0 ? " " : tokenText, textProps);
}
Debug.Assert(defaultRun != null || tokenRun != null);
if ((defaultRun != null) ^ (tokenRun != null))
{
return(defaultRun ?? tokenRun);
}
else
{
runs[index] = tokenRun;
return(defaultRun);
}
}
public override TextRun GetTextRun(int textSourceCharacterIndex)
{
var index = textSourceCharacterIndex;
if (index >= text.Length)
{
return(new TextEndOfParagraph(1));
}
char c = text[index];
if (c == '\r' || c == '\n' || c == '\u0085' || c == '\u2028' || c == '\u2029')
{
int nlLen = c == '\r' && index + 1 < text.Length && text[index + 1] == '\n' ? 2 : 1;
return(new TextEndOfParagraph(nlLen));
}
int collIndex = cachedTextColorsCollection.GetStartIndex(index);
Debug.Assert(collIndex >= 0);
if (collIndex < 0)
{
return(new TextCharacters(text.Substring(index), GetDefaultTextRunProperties()));
}
var info = cachedTextColorsCollection[collIndex];
if (info.Span.End == index)
{
Debug.Assert(collIndex + 1 < cachedTextColorsCollection.Count);
if (collIndex + 1 >= cachedTextColorsCollection.Count)
{
return(new TextCharacters(text.Substring(index), GetDefaultTextRunProperties()));
}
info = cachedTextColorsCollection[collIndex + 1];
}
int startIndex = info.Span.Start;
int endIndex = info.Span.End;
int nlIndex = text.IndexOfAny(LineConstants.newLineChars, index, endIndex - startIndex);
if (nlIndex > 0)
{
endIndex = nlIndex;
}
var tc = GetTextColor(themeService.Theme, info.Data);
var tokenText = text.Substring(index, endIndex - startIndex);
var textProps = new TextProps();
textProps.fontSize = TextElement.GetFontSize(parent);
textProps.foreground = tc.Foreground ?? TextElement.GetForeground(parent);
textProps.background = tc.Background ?? (Brush)parent.GetValue(TextElement.BackgroundProperty);
textProps.typeface = new Typeface(
TextElement.GetFontFamily(parent),
tc.FontStyle ?? TextElement.GetFontStyle(parent),
tc.FontWeight ?? TextElement.GetFontWeight(parent),
TextElement.GetFontStretch(parent)
);
return(new TextCharacters(tokenText.Length == 0 ? " " : tokenText, textProps));
}
public override TextRun GetTextRun(int textSourceCharacterIndex) {
var index = textSourceCharacterIndex;
if (index >= text.Length)
return new TextEndOfParagraph(1);
char c = text[index];
if (c == '\r' || c == '\n' || c == '\u0085' || c == '\u2028' || c == '\u2029') {
int nlLen = c == '\r' && index + 1 < text.Length && text[index + 1] == '\n' ? 2 : 1;
return new TextEndOfParagraph(nlLen);
}
int collIndex = GetStartIndex(index);
Debug.Assert(collIndex >= 0);
if (collIndex < 0)
return new TextCharacters(text.Substring(index), GetDefaultTextRunProperties());
var info = tagsList[collIndex];
if (info.Span.End == index) {
Debug.Assert(collIndex + 1 < tagsList.Length);
if (collIndex + 1 >= tagsList.Length)
return new TextCharacters(text.Substring(index), GetDefaultTextRunProperties());
info = tagsList[collIndex + 1];
}
int startIndex = info.Span.Start;
int endIndex = info.Span.End;
int nlIndex = text.IndexOfAny(LineConstants.newLineChars, index, endIndex - startIndex);
if (nlIndex > 0)
endIndex = nlIndex;
var props = classificationFormatMap.GetTextProperties(info.ClassificationType);
var tokenText = text.Substring(index, endIndex - startIndex);
var textProps = new TextProps();
textProps.fontSize = TextElement.GetFontSize(parent);
textProps.foreground = (props.ForegroundBrushEmpty ? null : props.ForegroundBrush) ?? TextElement.GetForeground(parent);
textProps.background = (props.BackgroundBrushEmpty ? null : props.BackgroundBrush) ?? (Brush)parent.GetValue(TextElement.BackgroundProperty);
textProps.textEffects = props.TextEffectsEmpty ? null : props.TextEffects;
textProps.textDecorations = props.TextDecorationsEmpty ? null : props.TextDecorations;
textProps.typeface = new Typeface(
TextElement.GetFontFamily(parent),
(props.ItalicEmpty ? (FontStyle?)null : FontStyles.Italic) ?? TextElement.GetFontStyle(parent),
(props.BoldEmpty ? (FontWeight?)null : FontWeights.Bold) ?? TextElement.GetFontWeight(parent),
TextElement.GetFontStretch(parent)
);
return new TextCharacters(tokenText.Length == 0 ? " " : tokenText, textProps);
}
