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Issue #457 - Remove the constructor from gfxShapedText::CompressedGlyph and make it a trivial class

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Also provide a couple of convenience "factory" methods to create simple and complex glyph values.
This commit is contained in:
trav90 2022-05-28 11:45:35 -05:00 • committed by roytam1
commit c782076add
9 changed files with 137 additions and 102 deletions
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15
gfx/thebes/gfxCoreTextShaper.cpp
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@ -310,6 +310,8 @@ gfxCoreTextShaper::SetGlyphsFromRun(gfxShapedText *aShapedText,
CTRunRef aCTRun,
int32_t aStringOffset)
{
typedef gfxShapedText::CompressedGlyph CompressedGlyph;
// The word has been bidi-wrapped; aStringOffset is the number
// of chars at the beginning of the CTLine that we should skip.
// aCTRun is a glyph run from the CoreText layout process.
@ -392,8 +394,7 @@ gfxCoreTextShaper::SetGlyphsFromRun(gfxShapedText *aShapedText,
nullptr, nullptr, nullptr);
AutoTArray<gfxShapedText::DetailedGlyph,1> detailedGlyphs;
gfxShapedText::CompressedGlyph *charGlyphs =
aShapedText->GetCharacterGlyphs() + aOffset;
CompressedGlyph* charGlyphs = aShapedText->GetCharacterGlyphs() + aOffset;
// CoreText gives us the glyphindex-to-charindex mapping, which relates each glyph
// to a source text character; we also need the charindex-to-glyphindex mapping to
@ -614,10 +615,10 @@ gfxCoreTextShaper::SetGlyphsFromRun(gfxShapedText *aShapedText,
advance = int32_t(toNextGlyph * appUnitsPerDevUnit);
}
gfxTextRun::CompressedGlyph textRunGlyph;
textRunGlyph.SetComplex(charGlyphs[baseCharIndex].IsClusterStart(),
true, detailedGlyphs.Length());
aShapedText->SetGlyphs(aOffset + baseCharIndex, textRunGlyph,
bool isClusterStart = charGlyphs[baseCharIndex].IsClusterStart();
aShapedText->SetGlyphs(aOffset + baseCharIndex,
CompressedGlyph::MakeComplex(isClusterStart, true,
detailedGlyphs.Length()),
detailedGlyphs.Elements());
detailedGlyphs.Clear();
@ -625,7 +626,7 @@ gfxCoreTextShaper::SetGlyphsFromRun(gfxShapedText *aShapedText,
// the rest of the chars in the group are ligature continuations, no associated glyphs
while (++baseCharIndex != endCharIndex && baseCharIndex < wordLength) {
gfxShapedText::CompressedGlyph &shapedTextGlyph = charGlyphs[baseCharIndex];
CompressedGlyph &shapedTextGlyph = charGlyphs[baseCharIndex];
NS_ASSERTION(!shapedTextGlyph.IsSimpleGlyph(), "overwriting a simple glyph");
shapedTextGlyph.SetComplex(inOrder && shapedTextGlyph.IsClusterStart(), false, 0);
}