156921 2016-04-22 12:50:07 -0700 Move selection and drawing of stretchy operators into a separate MathOperator class 2016-06-08 23:16:21 -0700 1 1 1 Unclassified WebKit MathML WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED P2 Normal --- 156906 156910 156913 152244 156950 157071 1 fred.wang fred.wang alex mrobinson rego oldest_to_newest 1186375 0 fred.wang 2016-04-22 12:50:07 -0700 Yet another step towards bug 152244. 1186381 1 277087 fred.wang 2016-04-22 13:02:38 -0700 Created attachment 277087 Patch 1186382 2 277088 fred.wang 2016-04-22 13:03:11 -0700 Created attachment 277088 Patch for EWS testing 1186602 3 277144 fred.wang 2016-04-23 01:32:14 -0700 Created attachment 277144 Patch for EWS testing I'm removing the ASSERT for large operator until we know the exact operator type (bug 156950). 1186879 4 277231 fred.wang 2016-04-25 01:03:44 -0700 Created attachment 277231 Patch Update patch to fix conflict after bug 156846 and bug 156906. 1186951 5 277253 fred.wang 2016-04-25 09:14:53 -0700 Created attachment 277253 Patch 1187322 6 277355 fred.wang 2016-04-26 05:07:51 -0700 Created attachment 277355 Patch 1187733 7 277473 fred.wang 2016-04-27 06:24:01 -0700 Created attachment 277473 Patch Minor change: Remove useless MathOperator:: prefix in setGlyphAssembly during the code move. 1191145 8 278390 fred.wang 2016-05-09 00:50:56 -0700 Created attachment 278390 Patch Updating after https://trac.webkit.org/changeset/200569 1199569 9 278390 mrobinson 2016-06-06 09:06:22 -0700 Comment on attachment 278390 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=278390&action=review Most of this is just code movement, so it looks good to me. I have a couple quick questions and nits though: > Source/WebCore/rendering/mathml/MathOperator.cpp:85 > + : m_baseCharacter(0) > + , m_isVertical(false) > + , m_stretchType(StretchType::Unstretched) > + , m_width(0) > + , m_ascent(0) > + , m_descent(0) > + , m_italicCorrection(0) I think we are preferring in-class declaration initializers now. Perhaps that will allow you to remove this constructor. http://www.stroustrup.com/C++11FAQ.html#member-init > Source/WebCore/rendering/mathml/MathOperator.cpp:103 > + ASSERT(sizeVariant.isValid() && sizeVariant.font->mathData()); Make this ASSERT two separate ASSERTs so it is easier to tell from a stack trace which one failed. > Source/WebCore/rendering/mathml/MathOperator.cpp:128 > + baseGlyph.font->mathData()->getMathVariants(baseGlyph.glyph, true, sizeVariants, assemblyParts); Move the declaration of sizeVariants and assemblyParts right before this line. > Source/WebCore/rendering/mathml/MathOperator.cpp:137 > + GlyphData glyphData(sizeVariant, baseGlyph.font); > + setSizeVariant(glyphData); > + m_italicCorrection = glyphData.font->mathData()->getItalicCorrection(*glyphData.font, glyphData.glyph); > + if (heightForGlyph(glyphData) >= displayOperatorMinHeight) > + break; > + } Why not wait to call setSizeVariant and set m_italicCorrection until heightForGlyph(glyphData) >= displayOperatorMinHeight is true? > Source/WebCore/rendering/mathml/MathOperator.cpp:140 > +bool MathOperator::calculateGlyphAssemblyFallBack(const RenderStyle& style, const Vector<OpenTypeMathData::AssemblyPart>& assemblyParts, GlyphAssemblyData& assemblyData) const Nit: FallBack -> Fallback 1199572 10 fred.wang 2016-06-06 09:11:30 -0700 (In reply to comment #9) > > Source/WebCore/rendering/mathml/MathOperator.cpp:85 > > + : m_baseCharacter(0) > > + , m_isVertical(false) > > + , m_stretchType(StretchType::Unstretched) > > + , m_width(0) > > + , m_ascent(0) > > + , m_descent(0) > > + , m_italicCorrection(0) > > I think we are preferring in-class declaration initializers now. Perhaps > that will allow you to remove this constructor. OK, I think I already did that in my branch after feedback in other patches :-) > > Source/WebCore/rendering/mathml/MathOperator.cpp:137 > > + GlyphData glyphData(sizeVariant, baseGlyph.font); > > + setSizeVariant(glyphData); > > + m_italicCorrection = glyphData.font->mathData()->getItalicCorrection(*glyphData.font, glyphData.glyph); > > + if (heightForGlyph(glyphData) >= displayOperatorMinHeight) > > + break; > > + } > > Why not wait to call setSizeVariant and set m_italicCorrection until > heightForGlyph(glyphData) >= displayOperatorMinHeight is true? So the idea is that if we were not able to find a large enough stretchy operator, we use the latest (largest) one in the list as a fallback. 1199596 11 mrobinson 2016-06-06 10:01:42 -0700 (In reply to comment #10) > > > Source/WebCore/rendering/mathml/MathOperator.cpp:137 > > > + GlyphData glyphData(sizeVariant, baseGlyph.font); > > > + setSizeVariant(glyphData); > > > + m_italicCorrection = glyphData.font->mathData()->getItalicCorrection(*glyphData.font, glyphData.glyph); > > > + if (heightForGlyph(glyphData) >= displayOperatorMinHeight) > > > + break; > > > + } > > > > Why not wait to call setSizeVariant and set m_italicCorrection until > > heightForGlyph(glyphData) >= displayOperatorMinHeight is true? > > So the idea is that if we were not able to find a large enough stretchy > operator, we use the latest (largest) one in the list as a fallback. Ah, I understand. Thanks! 1200366 12 280783 fred.wang 2016-06-08 00:05:21 -0700 Created attachment 280783 Patch 1200737 13 fred.wang 2016-06-08 23:16:21 -0700 Committed r201854: <http://trac.webkit.org/changeset/201854> 277087 2016-04-22 13:02:38 -0700 2016-04-25 01:03:44 -0700 Patch 156921.patch text/plain 75754 fred.wang ZGlmZiAtLWdpdCBhL1NvdXJjZS9XZWJDb3JlL0NNYWtlTGlzdHMudHh0IGIvU291cmNlL1dlYkNv cmUvQ01ha2VMaXN0cy50eHQKaW5kZXggOTIyODZiNi4uOTQ5NDZjNCAxMDA2NDQKLS0tIGEvU291 cmNlL1dlYkNvcmUvQ01ha2VMaXN0cy50eHQKKysrIGIvU291cmNlL1dlYkNvcmUvQ01ha2VMaXN0 cy50eHQKQEAgLTI1MTEsNiArMjUxMSw3IEBAIHNldChXZWJDb3JlX1NPVVJDRVMKICAgICByZW5k ZXJpbmcvbGluZS9UcmFpbGluZ09iamVjdHMuY3BwCiAKICAgICByZW5kZXJpbmcvbWF0aG1sL01h dGhNTE9wZXJhdG9yRGljdGlvbmFyeS5jcHAKKyAgICByZW5kZXJpbmcvbWF0aG1sL01hdGhPcGVy YXRvci5jcHAKICAgICByZW5kZXJpbmcvbWF0aG1sL1JlbmRlck1hdGhNTEJsb2NrLmNwcAogICAg IHJlbmRlcmluZy9tYXRobWwvUmVuZGVyTWF0aE1MRmVuY2VkLmNwcAogICAgIHJlbmRlcmluZy9t YXRobWwvUmVuZGVyTWF0aE1MRnJhY3Rpb24uY3BwCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29y 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