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Resolve conflicts

pull/9765/head
Benedikt Stebner 3 years ago
parent
54013834e0
commit
a5ee7ebde8
5 changed files with 87 additions and 82 deletions
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  1. 11
      src/Avalonia.Base/Media/TextFormatting/CharacterBufferRange.cs
  2. 150
      src/Avalonia.Base/Media/TextFormatting/TextFormatterImpl.cs
  3. 2
      src/Avalonia.Base/Media/TextFormatting/TextLeadingPrefixCharacterEllipsis.cs
  4. 4
      src/Avalonia.Base/Media/TextFormatting/TextLineImpl.cs
  5. 2
      src/Avalonia.Base/Media/TextFormatting/TextRun.cs

11
src/Avalonia.Base/Media/TextFormatting/CharacterBufferRange.cs
View File

@ -140,7 +140,7 @@ namespace Avalonia.Media.TextFormatting
throw new ArgumentOutOfRangeException(nameof(index));
}
#endif
return CharacterBufferReference.CharacterBuffer.Span[CharacterBufferReference.OffsetToFirstChar + index];
return CharacterBuffer.Span[CharacterBufferReference.OffsetToFirstChar + index];
}
}
@ -157,8 +157,7 @@ namespace Avalonia.Media.TextFormatting
/// <summary>
/// Gets a span from the character buffer range
/// </summary>
public ReadOnlySpan<char> Span =>
CharacterBufferReference.CharacterBuffer.Span.Slice(CharacterBufferReference.OffsetToFirstChar, Length);
public ReadOnlySpan<char> Span => CharacterBuffer.Span.Slice(OffsetToFirstChar, Length);
/// <summary>
/// Gets the character memory buffer
@ -174,7 +173,7 @@ namespace Avalonia.Media.TextFormatting
/// <summary>
/// Indicate whether the character buffer range is empty
/// </summary>
internal bool IsEmpty => CharacterBufferReference.CharacterBuffer.Length == 0 || Length <= 0;
internal bool IsEmpty => CharacterBuffer.Length == 0 || Length <= 0;
internal CharacterBufferRange Take(int length)
{
@ -208,9 +207,7 @@ namespace Avalonia.Media.TextFormatting
return new CharacterBufferRange(new CharacterBufferReference(), 0);
}
var characterBufferReference = new CharacterBufferReference(
CharacterBufferReference.CharacterBuffer,
CharacterBufferReference.OffsetToFirstChar + length);
var characterBufferReference = new CharacterBufferReference(CharacterBuffer, OffsetToFirstChar + length);
return new CharacterBufferRange(characterBufferReference, Length - length);
}

150
src/Avalonia.Base/Media/TextFormatting/TextFormatterImpl.cs
View File

@ -130,7 +130,7 @@ namespace Avalonia.Media.TextFormatting
first.Add(split.First);
second.Add(split.Second!);
}
}
for (var j = 1; j < secondCount; j++)
{
@ -237,7 +237,7 @@ namespace Avalonia.Media.TextFormatting
var shaperOptions = new TextShaperOptions(currentRun.Properties!.Typeface.GlyphTypeface,
currentRun.Properties.FontRenderingEmSize,
shapeableRun.BidiLevel, currentRun.Properties.CultureInfo,
shapeableRun.BidiLevel, currentRun.Properties.CultureInfo,
paragraphProperties.DefaultIncrementalTab, paragraphProperties.LetterSpacing);
shapedRuns.AddRange(ShapeTogether(groupedRuns, characterBufferReference, length, shaperOptions));
@ -478,7 +478,7 @@ namespace Avalonia.Media.TextFormatting
{
case ShapedTextRun shapedTextCharacters:
{
if(shapedTextCharacters.ShapedBuffer.Length > 0)
if (shapedTextCharacters.ShapedBuffer.Length > 0)
{
var firstCluster = shapedTextCharacters.ShapedBuffer.GlyphInfos[0].GlyphCluster;
var lastCluster = firstCluster;
@ -499,7 +499,7 @@ namespace Avalonia.Media.TextFormatting
}
measuredLength += currentRun.Length;
}
}
break;
}
@ -525,7 +525,7 @@ namespace Avalonia.Media.TextFormatting
}
}
found:
found:
return measuredLength != 0;
}
@ -565,9 +565,9 @@ namespace Avalonia.Media.TextFormatting
double paragraphWidth, TextParagraphProperties paragraphProperties, FlowDirection resolvedFlowDirection,
TextLineBreak? currentLineBreak)
{
if(textRuns.Count == 0)
if (textRuns.Count == 0)
{
return CreateEmptyTextLine(firstTextSourceIndex,paragraphWidth, paragraphProperties);
return CreateEmptyTextLine(firstTextSourceIndex, paragraphWidth, paragraphProperties);
}
if (!TryMeasureLength(textRuns, paragraphWidth, out var measuredLength))
@ -583,46 +583,24 @@ namespace Avalonia.Media.TextFormatting
for (var index = 0; index < textRuns.Count; index++)
{
var currentRun = textRuns[index];
var runText = new CharacterBufferRange(currentRun.CharacterBufferReference, currentRun.Length);
var lineBreaker = new LineBreakEnumerator(runText);
var breakFound = false;
while (lineBreaker.MoveNext())
{
if (lineBreaker.Current.Required &&
currentLength + lineBreaker.Current.PositionMeasure <= measuredLength)
{
//Explicit break found
breakFound = true;
currentPosition = currentLength + lineBreaker.Current.PositionWrap;
break;
}
var currentRun = textRuns[index];
if (currentLength + lineBreaker.Current.PositionMeasure > measuredLength)
{
if (paragraphProperties.TextWrapping == TextWrapping.WrapWithOverflow)
switch (currentRun)
{
case ShapedTextRun:
{
if (lastWrapPosition > 0)
{
currentPosition = lastWrapPosition;
var runText = new CharacterBufferRange(currentRun.CharacterBufferReference, currentRun.Length);
breakFound = true;
var lineBreaker = new LineBreakEnumerator(runText);
break;
}
//Find next possible wrap position (overflow)
if (index < textRuns.Count - 1)
while (lineBreaker.MoveNext())
{
if (lineBreaker.Current.PositionWrap != currentRun.Length)
if (lineBreaker.Current.Required &&
currentLength + lineBreaker.Current.PositionMeasure <= measuredLength)
{
//We already found the next possible wrap position.
//Explicit break found
breakFound = true;
currentPosition = currentLength + lineBreaker.Current.PositionWrap;
@ -630,51 +608,81 @@ namespace Avalonia.Media.TextFormatting
break;
}
while (lineBreaker.MoveNext() && index < textRuns.Count)
if (currentLength + lineBreaker.Current.PositionMeasure > measuredLength)
{
currentPosition += lineBreaker.Current.PositionWrap;
if (lineBreaker.Current.PositionWrap != currentRun.Length)
if (paragraphProperties.TextWrapping == TextWrapping.WrapWithOverflow)
{
break;
}
if (lastWrapPosition > 0)
{
currentPosition = lastWrapPosition;
index++;
breakFound = true;
break;
}
//Find next possible wrap position (overflow)
if (index < textRuns.Count - 1)
{
if (lineBreaker.Current.PositionWrap != currentRun.Length)
{
//We already found the next possible wrap position.
breakFound = true;
currentPosition = currentLength + lineBreaker.Current.PositionWrap;
break;
}
while (lineBreaker.MoveNext() && index < textRuns.Count)
{
currentPosition += lineBreaker.Current.PositionWrap;
if (lineBreaker.Current.PositionWrap != currentRun.Length)
{
break;
}
index++;
if (index >= textRuns.Count)
{
break;
}
currentRun = textRuns[index];
runText = new CharacterBufferRange(currentRun.CharacterBufferReference, currentRun.Length);
lineBreaker = new LineBreakEnumerator(runText);
}
}
else
{
currentPosition = currentLength + lineBreaker.Current.PositionWrap;
}
breakFound = true;
if (index >= textRuns.Count)
{
break;
}
currentRun = textRuns[index];
//We overflowed so we use the last available wrap position.
currentPosition = lastWrapPosition == 0 ? measuredLength : lastWrapPosition;
runText = new CharacterBufferRange(currentRun.CharacterBufferReference, currentRun.Length);
breakFound = true;
lineBreaker = new LineBreakEnumerator(runText);
break;
}
}
else
{
currentPosition = currentLength + lineBreaker.Current.PositionWrap;
}
breakFound = true;
if (lineBreaker.Current.PositionMeasure != lineBreaker.Current.PositionWrap)
{
lastWrapPosition = currentLength + lineBreaker.Current.PositionWrap;
}
}
break;
}
//We overflowed so we use the last available wrap position.
currentPosition = lastWrapPosition == 0 ? measuredLength : lastWrapPosition;
breakFound = true;
break;
}
if (lineBreaker.Current.PositionMeasure != lineBreaker.Current.PositionWrap)
{
lastWrapPosition = currentLength + lineBreaker.Current.PositionWrap;
}
}
if (!breakFound)
@ -694,7 +702,7 @@ namespace Avalonia.Media.TextFormatting
var remainingCharacters = splitResult.Second;
var lineBreak = remainingCharacters?.Count > 0 ?
new TextLineBreak(currentLineBreak?.TextEndOfLine, resolvedFlowDirection, remainingCharacters) :
new TextLineBreak(null, resolvedFlowDirection, remainingCharacters) :
null;
if (lineBreak is null && currentLineBreak?.TextEndOfLine != null)

2
src/Avalonia.Base/Media/TextFormatting/TextLeadingPrefixCharacterEllipsis.cs
View File

@ -123,7 +123,7 @@ namespace Avalonia.Media.TextFormatting
switch (run)
{
case ShapedTextCharacters endShapedRun:
case ShapedTextRun endShapedRun:
{
if (endShapedRun.TryMeasureCharactersBackwards(availableSuffixWidth,
out var suffixCount, out var suffixWidth))

4
src/Avalonia.Base/Media/TextFormatting/TextLineImpl.cs
View File

@ -230,12 +230,12 @@ namespace Avalonia.Media.TextFormatting
currentRun = _textRuns[j];
if(currentRun is not ShapedTextCharacters)
if(currentRun is not ShapedTextRun)
{
continue;
}
shapedRun = (ShapedTextCharacters)currentRun;
shapedRun = (ShapedTextRun)currentRun;
if (currentDistance + shapedRun.Size.Width <= distance)
{

2
src/Avalonia.Base/Media/TextFormatting/TextRun.cs
View File

@ -44,7 +44,7 @@ namespace Avalonia.Media.TextFormatting
fixed (char* charsPtr = characterBuffer.Span)
{
return new string(charsPtr, _textRun.CharacterBufferReference.OffsetToFirstChar, _textRun.Length);
return new string(charsPtr, 0, _textRun.Length);
}
}
}

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