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Backed out changeset d55aac0ec553, bug 446529 - Disable discretionary ligatures on Mac, due to reftest failures on mac

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REFTEST TEST-UNEXPECTED-FAIL | file:///builds/slave/trunk_darwin_mini01/build/layout/reftests/text/wordwrap-01.html |
REFTEST TEST-UNEXPECTED-FAIL | file:///builds/slave/trunk_darwin_mini01/build/layout/reftests/text/wordwrap-03.html |
This commit is contained in:
Ted Mielczarek 2008-08-20 10:42:57 -04:00
parent 15260e6b0e
commit 702aa540ab
1 changed files with 48 additions and 56 deletions
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104
gfx/thebes/src/gfxAtsuiFonts.cpp
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@ -168,85 +168,51 @@ ATSUFontID gfxAtsuiFont::GetATSUFontID()
return GetFontEntry()->GetFontID();
}
static void
SetLigatureFeatures(ATSUStyle aStyle, PRBool aEnableLigatures)
{
static const ATSUFontFeatureType types[] = {
kLigaturesType,
kLigaturesType,
kLigaturesType,
kLigaturesType,
kLigaturesType,
kLigaturesType,
kLigaturesType,
kLigaturesType
};
static const ATSUFontFeatureType disablingSelectors[NS_ARRAY_LENGTH(types)] = {
kCommonLigaturesOffSelector,
kRareLigaturesOffSelector,
kLogosOffSelector,
kRebusPicturesOffSelector,
kDiphthongLigaturesOffSelector,
kSquaredLigaturesOffSelector,
kAbbrevSquaredLigaturesOffSelector,
kSymbolLigaturesOffSelector
};
static const ATSUFontFeatureType enablingSelectors[NS_ARRAY_LENGTH(types)] = {
kCommonLigaturesOnSelector,
kRareLigaturesOffSelector,
kLogosOffSelector,
kRebusPicturesOffSelector,
kDiphthongLigaturesOffSelector,
kSquaredLigaturesOffSelector,
kAbbrevSquaredLigaturesOffSelector,
kSymbolLigaturesOffSelector
};
ATSUSetFontFeatures(aStyle, NS_ARRAY_LENGTH(types), types,
aEnableLigatures ? enablingSelectors : disablingSelectors);
}
void
gfxAtsuiFont::InitMetrics(ATSUFontID aFontID, ATSFontRef aFontRef)
{
/* Create the ATSUStyle */
ATSUAttributeTag styleTags[] = {
kATSUFontTag,
kATSUSizeTag,
kATSUFontMatrixTag
};
ByteCount styleArgSizes[] = {
sizeof(ATSUFontID),
sizeof(Fixed),
sizeof(CGAffineTransform),
sizeof(Fract)
};
gfxFloat size =
PR_MAX(((mAdjustedSize != 0.0f) ? mAdjustedSize : GetStyle()->size), 1.0f);
//fprintf (stderr, "string: '%s', size: %f\n", NS_ConvertUTF16toUTF8(aString).get(), size);
if (mATSUStyle)
ATSUDisposeStyle(mATSUStyle);
ATSUFontID fid = aFontID;
// fSize is in points (72dpi)
Fixed fSize = FloatToFixed(size);
ATSUFontID fid = aFontID;
// make the font render right-side up
CGAffineTransform transform = CGAffineTransformMakeScale(1, -1);
static const ATSUAttributeTag styleTags[] = {
kATSUFontTag,
kATSUSizeTag,
kATSUFontMatrixTag
};
const ATSUAttributeValuePtr styleArgs[NS_ARRAY_LENGTH(styleTags)] = {
ATSUAttributeValuePtr styleArgs[] = {
&fid,
&fSize,
&transform
};
static const ByteCount styleArgSizes[NS_ARRAY_LENGTH(styleTags)] = {
sizeof(ATSUFontID),
sizeof(Fixed),
sizeof(CGAffineTransform)
&transform,
};
if (mATSUStyle)
ATSUDisposeStyle(mATSUStyle);
ATSUCreateStyle(&mATSUStyle);
ATSUSetAttributes(mATSUStyle,
NS_ARRAY_LENGTH(styleTags),
sizeof(styleTags)/sizeof(ATSUAttributeTag),
styleTags,
styleArgSizes,
styleArgs);
SetLigatureFeatures(mATSUStyle, PR_TRUE);
/* Now pull out the metrics */
@ -1297,6 +1263,32 @@ GetFontPrefLangFor(PRUint8 aUnicodeRange)
}
}
static void
DisableOptionalLigaturesInStyle(ATSUStyle aStyle)
{
static ATSUFontFeatureType selectors[] = {
kCommonLigaturesOffSelector,
kRareLigaturesOffSelector,
kLogosOffSelector,
kRebusPicturesOffSelector,
kDiphthongLigaturesOffSelector,
kSquaredLigaturesOffSelector,
kAbbrevSquaredLigaturesOffSelector,
kSymbolLigaturesOffSelector
};
static ATSUFontFeatureType types[NS_ARRAY_LENGTH(selectors)] = {
kLigaturesType,
kLigaturesType,
kLigaturesType,
kLigaturesType,
kLigaturesType,
kLigaturesType,
kLigaturesType,
kLigaturesType
};
ATSUSetFontFeatures(aStyle, NS_ARRAY_LENGTH(selectors), types, selectors);
}
// 361695 - ATSUI only does glyph mirroring when the font contains a 'prop' table
// with glyph mirroring info, the character mirroring has to be done manually in the
// fallback case. Only used for RTL text runs. The autoptr for the mirrored copy
@ -1389,7 +1381,7 @@ gfxAtsuiFontGroup::InitTextRun(gfxTextRun *aRun,
status = ATSUCreateAndCopyStyle(mainStyle, &mainStyle);
if (status == noErr) {
stylesToDispose.AppendElement(mainStyle);
SetLigatureFeatures(mainStyle, PR_FALSE);
DisableOptionalLigaturesInStyle(mainStyle);
}
}