Changeset 203074 in webkit
- Timestamp:
- Jul 11, 2016 11:46:10 AM (8 years ago)
- Location:
- trunk
- Files:
-
- 22 added
- 14 edited
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LayoutTests/ChangeLog (modified) (1 diff)
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LayoutTests/imported/mathml-in-html5/fonts/math/limits-lowerlimitbaselinedropmin3000.woff (added)
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LayoutTests/imported/mathml-in-html5/fonts/math/limits-lowerlimitgapmin11000.woff (added)
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LayoutTests/imported/mathml-in-html5/fonts/math/limits-upperlimitbaselinerisemin5000.woff (added)
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LayoutTests/imported/mathml-in-html5/fonts/math/limits-upperlimitgapmin7000.woff (added)
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LayoutTests/imported/mathml-in-html5/fonts/math/stretchstack-bottomshiftdown3000.woff (added)
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LayoutTests/imported/mathml-in-html5/fonts/math/stretchstack-gapabovemin7000.woff (added)
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LayoutTests/imported/mathml-in-html5/fonts/math/stretchstack-gapbelowmin11000.woff (added)
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LayoutTests/imported/mathml-in-html5/fonts/math/stretchstack-topshiftup5000.woff (added)
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LayoutTests/imported/mathml-in-html5/fonts/math/underover-accentbaseheight4000-overbarextraascender3000.woff (added)
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LayoutTests/imported/mathml-in-html5/fonts/math/underover-accentbaseheight4000-overbarverticalgap11000.woff (added)
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LayoutTests/imported/mathml-in-html5/fonts/math/underover-accentbaseheight4000-underbarextradescender5000.woff (added)
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LayoutTests/imported/mathml-in-html5/fonts/math/underover-accentbaseheight4000-underbarverticalgap7000.woff (added)
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LayoutTests/imported/mathml-in-html5/mathml/presentation-markup/scripts/underover-parameters-1-expected.txt (added)
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LayoutTests/imported/mathml-in-html5/mathml/presentation-markup/scripts/underover-parameters-1.html (added)
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LayoutTests/imported/mathml-in-html5/mathml/presentation-markup/scripts/underover-parameters-2-expected.txt (added)
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LayoutTests/imported/mathml-in-html5/mathml/presentation-markup/scripts/underover-parameters-2.html (added)
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LayoutTests/imported/mathml-in-html5/mathml/presentation-markup/scripts/underover-parameters-3-expected.txt (added)
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LayoutTests/imported/mathml-in-html5/mathml/presentation-markup/scripts/underover-parameters-3.html (added)
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LayoutTests/imported/mathml-in-html5/mathml/presentation-markup/scripts/underover-parameters-4-expected.txt (added)
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LayoutTests/imported/mathml-in-html5/mathml/presentation-markup/scripts/underover-parameters-4.html (added)
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LayoutTests/mathml/presentation/attributes-accent-accentunder-dynamic-expected.html (added)
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LayoutTests/mathml/presentation/attributes-accent-accentunder-dynamic.html (added)
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LayoutTests/mathml/presentation/scripts-underover-expected.html (modified) (1 diff)
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LayoutTests/mathml/presentation/scripts-underover.html (modified) (1 diff)
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LayoutTests/mathml/presentation/underover-nonstretchy-or-vertical-expected.html (modified) (1 diff)
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LayoutTests/mathml/presentation/underover-nonstretchy-or-vertical.html (modified) (1 diff)
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LayoutTests/platform/gtk/mathml/opentype/horizontal-expected.png (modified) (previous)
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LayoutTests/platform/gtk/mathml/opentype/horizontal-expected.txt (modified) (1 diff)
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LayoutTests/platform/gtk/mathml/opentype/horizontal-munderover-expected.png (modified) (previous)
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LayoutTests/platform/gtk/mathml/opentype/horizontal-munderover-expected.txt (modified) (1 diff)
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Source/WebCore/ChangeLog (modified) (1 diff)
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Source/WebCore/mathml/mathattrs.in (modified) (1 diff)
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Source/WebCore/rendering/mathml/MathMLOperatorDictionary.h (modified) (1 diff)
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Source/WebCore/rendering/mathml/RenderMathMLUnderOver.cpp (modified) (3 diffs)
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Source/WebCore/rendering/mathml/RenderMathMLUnderOver.h (modified) (1 diff)
Legend:
- Unmodified
- Added
- Removed
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trunk/LayoutTests/ChangeLog
r203073 r203074 1 2016-07-11 Frederic Wang <fwang@igalia.com> 2 3 Use parameters from the OpenType MATH table for <munderover> 4 https://bugs.webkit.org/show_bug.cgi?id=155756 5 6 Reviewed by Brent Fulgham. 7 8 Import some tests from the MathML in HTML5 test suite to verify 9 the layout of the <munderover> element. We also write a test to 10 verify dynamic change of accent/accentunder attributes and adjust 11 other tests. 12 13 * imported/mathml-in-html5/fonts/math/limits-lowerlimitbaselinedropmin3000.woff: Added. 14 * imported/mathml-in-html5/fonts/math/limits-lowerlimitgapmin11000.woff: Added. 15 * imported/mathml-in-html5/fonts/math/limits-upperlimitbaselinerisemin5000.woff: Added. 16 * imported/mathml-in-html5/fonts/math/limits-upperlimitgapmin7000.woff: Added. 17 * imported/mathml-in-html5/fonts/math/stretchstack-bottomshiftdown3000.woff: Added. 18 * imported/mathml-in-html5/fonts/math/stretchstack-gapabovemin7000.woff: Added. 19 * imported/mathml-in-html5/fonts/math/stretchstack-gapbelowmin11000.woff: Added. 20 * imported/mathml-in-html5/fonts/math/stretchstack-topshiftup5000.woff: Added. 21 * imported/mathml-in-html5/fonts/math/underover-accentbaseheight4000-overbarextraascender3000.woff: Added. 22 * imported/mathml-in-html5/fonts/math/underover-accentbaseheight4000-overbarverticalgap11000.woff: Added. 23 * imported/mathml-in-html5/fonts/math/underover-accentbaseheight4000-underbarextradescender5000.woff: Added. 24 * imported/mathml-in-html5/fonts/math/underover-accentbaseheight4000-underbarverticalgap7000.woff: Added. 25 * imported/mathml-in-html5/mathml/presentation-markup/scripts/underover-parameters-1-expected.txt: Added. 26 * imported/mathml-in-html5/mathml/presentation-markup/scripts/underover-parameters-1.html: Added. 27 * imported/mathml-in-html5/mathml/presentation-markup/scripts/underover-parameters-2-expected.txt: Added. 28 * imported/mathml-in-html5/mathml/presentation-markup/scripts/underover-parameters-2.html: Added. 29 * imported/mathml-in-html5/mathml/presentation-markup/scripts/underover-parameters-3-expected.txt: Added. 30 * imported/mathml-in-html5/mathml/presentation-markup/scripts/underover-parameters-3.html: Added. 31 * imported/mathml-in-html5/mathml/presentation-markup/scripts/underover-parameters-4-expected.txt: Added. 32 * imported/mathml-in-html5/mathml/presentation-markup/scripts/underover-parameters-4.html: Added. 33 * mathml/presentation/attributes-accent-accentunder-dynamic.html: Added. 34 Test dynamic changes of accent and accentunder. 35 * mathml/presentation/attributes-accent-accentunder-dynamic-expected.html: Added. 36 * mathml/presentation/scripts-underover.html: Remove one of the test since munderover 37 with an empty script is no longer equivalent to munder or mover. 38 * mathml/presentation/scripts-underover-expected.html: Ditto. 39 * platform/gtk/mathml/opentype/horizontal-expected.png: Updated due to change in 40 vertical metrics of scripts. 41 * platform/gtk/mathml/opentype/horizontal-expected.txt: Ditto. 42 * platform/gtk/mathml/opentype/horizontal-munderover-expected.png: Ditto. 43 * platform/gtk/mathml/opentype/horizontal-munderover-expected.txt: Ditto. 44 * platform/gtk/mathml/presentation/roots-expected.txt: Udapted due to script baseline fix. 45 * platform/gtk/mathml/presentation/roots-expected.png: ditto. 46 * mathml/presentation/underover-nonstretchy-or-vertical.html: Prevent the <mo> to be treated 47 as an accent so that we always get the same spacing as the reference. We also use the Ahem 48 font to make the result more reliable. 49 1 50 2016-07-11 Frederic Wang <fwang@igalia.com> 2 51 -
trunk/LayoutTests/mathml/presentation/scripts-underover-expected.html
r152777 r203074 130 130 </munderover> 131 131 </math> 132 <math>133 <munder>134 <mi>A</mi>135 <mi>B</mi>136 </munder>137 <mover>138 <mi>A</mi>139 <mi>B</mi>140 </mover>141 </math>142 132 </div> 143 133 -
trunk/LayoutTests/mathml/presentation/scripts-underover.html
r152777 r203074 133 133 </munderover> 134 134 </math> 135 136 <!-- This verifies that <munderscript> with an empty script is137 equivalent to the corresponding constructions with only one script.138 -->139 <math>140 <munderover>141 <mi>A</mi>142 <mi>B</mi>143 <mspace/>144 </munderover>145 <munderover>146 <mi>A</mi>147 <mspace/>148 <mi>B</mi>149 </munderover>150 </math>151 135 </div> 152 136 -
trunk/LayoutTests/mathml/presentation/underover-nonstretchy-or-vertical-expected.html
r199544 r203074 1 1 <!DOCTYPE html> 2 2 <p>Vertical or non-stretchy operators inside an munderover element should not stretch.</p> 3 <math >3 <math style="font: 20px Ahem"> 4 4 <munderover> 5 5 <mspace width="100px" height="10px" mathbackground="red"/> -
trunk/LayoutTests/mathml/presentation/underover-nonstretchy-or-vertical.html
r199544 r203074 1 1 <!DOCTYPE html> 2 2 <p>Vertical or non-stretchy operators inside an munderover element should not stretch.</p> 3 <math >3 <math style="font: 20px Ahem"> 4 4 <munderover> 5 5 <mspace width="100px" height="10px" mathbackground="red"/> 6 6 <mo lspace="0px" rspace="0px">|</mo> <!-- stretchy vertical operator --> 7 <mo lspace="0px" rspace="0px" stretchy="false" >_</mo> <!-- non-stretchy horizontal operator -->7 <mo lspace="0px" rspace="0px" stretchy="false" accent="false">_</mo> <!-- non-stretchy horizontal operator --> 8 8 </munderover> 9 9 </math> -
trunk/LayoutTests/platform/gtk/mathml/opentype/horizontal-expected.txt
r202420 r203074 1 1 layer at (0,0) size 800x600 2 2 RenderView at (0,0) size 800x600 3 layer at (0,0) size 800x166 4 RenderBlock {HTML} at (0,0) size 800x166 5 RenderBody {BODY} at (8,16) size 784x134 6 RenderBlock {P} at (0,0) size 784x17 7 RenderMathMLMath {math} at (0,4) size 24x10 [padding: 0 1 0 1] 8 RenderMathMLUnderOver {mover} at (1,0) size 22x10 9 RenderMathMLSpace {mspace} at (0,8) size 22x2 [bgcolor=#0000FF] 3 layer at (0,0) size 800x190 4 RenderBlock {HTML} at (0,0) size 800x190 5 RenderBody {BODY} at (8,16) size 784x158 6 RenderBlock {P} at (0,0) size 784x21 7 RenderMathMLMath {math} at (0,2) size 24x16 [padding: 0 1 0 1] 8 RenderMathMLUnderOver {mover} at (1,0) size 22x16 9 RenderMathMLSpace {mspace} at (0,13) size 22x3 [bgcolor=#0000FF] 10 RenderMathMLOperator {mo} at (1,0) size 20x9 11 RenderBlock (anonymous) at (0,0) size 12x8 12 RenderText {#text} at (0,-36) size 12x80 13 text run at (0,-36) width 12: "\x{2190}" 14 RenderText {#text} at (24,4) size 4x17 15 text run at (24,4) width 4: " " 16 RenderMathMLMath {math} at (28,2) size 24x16 [padding: 0 1 0 1] 17 RenderMathMLUnderOver {mover} at (1,0) size 22x16 18 RenderMathMLSpace {mspace} at (0,13) size 22x3 [bgcolor=#0000FF] 19 RenderMathMLOperator {mo} at (1,0) size 20x9 20 RenderBlock (anonymous) at (0,0) size 12x8 21 RenderText {#text} at (0,-36) size 12x80 22 text run at (0,-36) width 12: "\x{2192}" 23 RenderText {#text} at (52,4) size 4x17 24 text run at (52,4) width 4: " " 25 RenderMathMLMath {math} at (56,2) size 24x16 [padding: 0 1 0 1] 26 RenderMathMLUnderOver {mover} at (1,0) size 22x16 27 RenderMathMLSpace {mspace} at (0,13) size 22x3 [bgcolor=#0000FF] 28 RenderMathMLOperator {mo} at (1,0) size 20x9 29 RenderBlock (anonymous) at (0,0) size 12x8 30 RenderText {#text} at (0,-36) size 12x80 31 text run at (0,-36) width 12: "\x{2194}" 32 RenderText {#text} at (80,4) size 4x17 33 text run at (80,4) width 4: " " 34 RenderMathMLMath {math} at (84,2) size 24x16 [padding: 0 1 0 1] 35 RenderMathMLUnderOver {mover} at (1,0) size 22x16 36 RenderMathMLSpace {mspace} at (0,13) size 22x3 [bgcolor=#0000FF] 37 RenderMathMLOperator {mo} at (1,0) size 20x9 38 RenderBlock (anonymous) at (0,0) size 12x8 39 RenderText {#text} at (0,-36) size 12x80 40 text run at (0,-36) width 12: "\x{21A4}" 41 RenderText {#text} at (108,4) size 4x17 42 text run at (108,4) width 4: " " 43 RenderMathMLMath {math} at (112,2) size 24x16 [padding: 0 1 0 1] 44 RenderMathMLUnderOver {mover} at (1,0) size 22x16 45 RenderMathMLSpace {mspace} at (0,13) size 22x3 [bgcolor=#0000FF] 46 RenderMathMLOperator {mo} at (1,0) size 20x9 47 RenderBlock (anonymous) at (0,0) size 12x8 48 RenderText {#text} at (0,-36) size 12x80 49 text run at (0,-36) width 12: "\x{21A6}" 50 RenderText {#text} at (136,4) size 4x17 51 text run at (136,4) width 4: " " 52 RenderMathMLMath {math} at (140,3) size 24x15 [padding: 0 1 0 1] 53 RenderMathMLUnderOver {mover} at (1,0) size 22x15 54 RenderMathMLSpace {mspace} at (0,12) size 22x3 [bgcolor=#0000FF] 10 55 RenderMathMLOperator {mo} at (1,0) size 20x8 11 56 RenderBlock (anonymous) at (0,0) size 12x8 12 57 RenderText {#text} at (0,-36) size 12x80 13 text run at (0,-36) width 12: "\x{2190}"14 RenderText {#text} at (24,0) size 4x1715 text run at (24,0) width 4: " "16 RenderMathMLMath {math} at (28,4) size 24x10 [padding: 0 1 0 1]17 RenderMathMLUnderOver {mover} at (1,0) size 22x1018 RenderMathMLSpace {mspace} at (0,8) size 22x2 [bgcolor=#0000FF]19 RenderMathMLOperator {mo} at (1,0) size 20x820 RenderBlock (anonymous) at (0,0) size 12x821 RenderText {#text} at (0,-36) size 12x8022 text run at (0,-36) width 12: "\x{2192}"23 RenderText {#text} at (52,0) size 4x1724 text run at (52,0) width 4: " "25 RenderMathMLMath {math} at (56,4) size 24x10 [padding: 0 1 0 1]26 RenderMathMLUnderOver {mover} at (1,0) size 22x1027 RenderMathMLSpace {mspace} at (0,8) size 22x2 [bgcolor=#0000FF]28 RenderMathMLOperator {mo} at (1,0) size 20x829 RenderBlock (anonymous) at (0,0) size 12x830 RenderText {#text} at (0,-36) size 12x8031 text run at (0,-36) width 12: "\x{2194}"32 RenderText {#text} at (80,0) size 4x1733 text run at (80,0) width 4: " "34 RenderMathMLMath {math} at (84,4) size 24x10 [padding: 0 1 0 1]35 RenderMathMLUnderOver {mover} at (1,0) size 22x1036 RenderMathMLSpace {mspace} at (0,8) size 22x2 [bgcolor=#0000FF]37 RenderMathMLOperator {mo} at (1,0) size 20x838 RenderBlock (anonymous) at (0,0) size 12x839 RenderText {#text} at (0,-36) size 12x8040 text run at (0,-36) width 12: "\x{21A4}"41 RenderText {#text} at (108,0) size 4x1742 text run at (108,0) width 4: " "43 RenderMathMLMath {math} at (112,4) size 24x10 [padding: 0 1 0 1]44 RenderMathMLUnderOver {mover} at (1,0) size 22x1045 RenderMathMLSpace {mspace} at (0,8) size 22x2 [bgcolor=#0000FF]46 RenderMathMLOperator {mo} at (1,0) size 20x847 RenderBlock (anonymous) at (0,0) size 12x848 RenderText {#text} at (0,-36) size 12x8049 text run at (0,-36) width 12: "\x{21A6}"50 RenderText {#text} at (136,0) size 4x1751 text run at (136,0) width 4: " "52 RenderMathMLMath {math} at (140,5) size 24x9 [padding: 0 1 0 1]53 RenderMathMLUnderOver {mover} at (1,0) size 22x954 RenderMathMLSpace {mspace} at (0,7) size 22x2 [bgcolor=#0000FF]55 RenderMathMLOperator {mo} at (1,0) size 20x756 RenderBlock (anonymous) at (0,0) size 12x857 RenderText {#text} at (0,-36) size 12x8058 58 text run at (0,-36) width 12: "\x{21BC}" 59 RenderText {#text} at (164, 0) size 4x1760 text run at (164, 0) width 4: " "61 RenderMathMLMath {math} at (168, 7) size 24x7[padding: 0 1 0 1]62 RenderMathMLUnderOver {mover} at (1,0) size 22x 763 RenderMathMLSpace {mspace} at (0, 5) size 22x2[bgcolor=#0000FF]64 RenderMathMLOperator {mo} at (1,0) size 20x 559 RenderText {#text} at (164,4) size 4x17 60 text run at (164,4) width 4: " " 61 RenderMathMLMath {math} at (168,5) size 24x13 [padding: 0 1 0 1] 62 RenderMathMLUnderOver {mover} at (1,0) size 22x13 63 RenderMathMLSpace {mspace} at (0,10) size 22x3 [bgcolor=#0000FF] 64 RenderMathMLOperator {mo} at (1,0) size 20x6 65 65 RenderBlock (anonymous) at (0,0) size 12x5 66 66 RenderText {#text} at (0,-39) size 12x80 67 67 text run at (0,-39) width 12: "\x{21BD}" 68 RenderText {#text} at (192, 0) size 4x1769 text run at (192, 0) width 4: " "70 RenderMathMLMath {math} at (196, 5) size 24x9[padding: 0 1 0 1]71 RenderMathMLUnderOver {mover} at (1,0) size 22x 972 RenderMathMLSpace {mspace} at (0, 7) size 22x2[bgcolor=#0000FF]73 RenderMathMLOperator {mo} at (1,0) size 20x 768 RenderText {#text} at (192,4) size 4x17 69 text run at (192,4) width 4: " " 70 RenderMathMLMath {math} at (196,3) size 24x15 [padding: 0 1 0 1] 71 RenderMathMLUnderOver {mover} at (1,0) size 22x15 72 RenderMathMLSpace {mspace} at (0,12) size 22x3 [bgcolor=#0000FF] 73 RenderMathMLOperator {mo} at (1,0) size 20x8 74 74 RenderBlock (anonymous) at (0,0) size 12x8 75 75 RenderText {#text} at (0,-36) size 12x80 76 76 text run at (0,-36) width 12: "\x{21C0}" 77 RenderText {#text} at (220, 0) size 4x1778 text run at (220, 0) width 4: " "79 RenderMathMLMath {math} at (224, 4) size 24x10[padding: 0 1 0 1]80 RenderMathMLUnderOver {mover} at (1,0) size 22x1 081 RenderMathMLSpace {mspace} at (0, 8) size 22x2[bgcolor=#0000FF]82 RenderMathMLOperator {mo} at (1,0) size 20x 877 RenderText {#text} at (220,4) size 4x17 78 text run at (220,4) width 4: " " 79 RenderMathMLMath {math} at (224,2) size 24x16 [padding: 0 1 0 1] 80 RenderMathMLUnderOver {mover} at (1,0) size 22x16 81 RenderMathMLSpace {mspace} at (0,13) size 22x3 [bgcolor=#0000FF] 82 RenderMathMLOperator {mo} at (1,0) size 20x9 83 83 RenderBlock (anonymous) at (0,0) size 12x8 84 84 RenderText {#text} at (0,-36) size 12x80 85 85 text run at (0,-36) width 12: "\x{21D0}" 86 RenderText {#text} at (248, 0) size 4x1787 text run at (248, 0) width 4: " "88 RenderMathMLMath {math} at (252, 4) size 24x10[padding: 0 1 0 1]89 RenderMathMLUnderOver {mover} at (1,0) size 22x1 090 RenderMathMLSpace {mspace} at (0, 8) size 22x2[bgcolor=#0000FF]91 RenderMathMLOperator {mo} at (1,0) size 20x 886 RenderText {#text} at (248,4) size 4x17 87 text run at (248,4) width 4: " " 88 RenderMathMLMath {math} at (252,2) size 24x16 [padding: 0 1 0 1] 89 RenderMathMLUnderOver {mover} at (1,0) size 22x16 90 RenderMathMLSpace {mspace} at (0,13) size 22x3 [bgcolor=#0000FF] 91 RenderMathMLOperator {mo} at (1,0) size 20x9 92 92 RenderBlock (anonymous) at (0,0) size 12x8 93 93 RenderText {#text} at (0,-36) size 12x80 94 94 text run at (0,-36) width 12: "\x{21D2}" 95 RenderText {#text} at (276, 0) size 4x1796 text run at (276, 0) width 4: " "97 RenderMathMLMath {math} at (280, 4) size 24x10[padding: 0 1 0 1]98 RenderMathMLUnderOver {mover} at (1,0) size 22x1 099 RenderMathMLSpace {mspace} at (0, 8) size 22x2[bgcolor=#0000FF]100 RenderMathMLOperator {mo} at (1,0) size 20x 895 RenderText {#text} at (276,4) size 4x17 96 text run at (276,4) width 4: " " 97 RenderMathMLMath {math} at (280,2) size 24x16 [padding: 0 1 0 1] 98 RenderMathMLUnderOver {mover} at (1,0) size 22x16 99 RenderMathMLSpace {mspace} at (0,13) size 22x3 [bgcolor=#0000FF] 100 RenderMathMLOperator {mo} at (1,0) size 20x9 101 101 RenderBlock (anonymous) at (0,0) size 12x8 102 102 RenderText {#text} at (0,-36) size 12x80 103 103 text run at (0,-36) width 12: "\x{21D4}" 104 RenderText {#text} at (304, 0) size 4x17105 text run at (304, 0) width 4: " "106 RenderMathMLMath {math} at (308, 2) size 24x12[padding: 0 1 0 1]107 RenderMathMLUnderOver {mover} at (1,0) size 22x1 2108 RenderMathMLSpace {mspace} at (0,1 0) size 22x2[bgcolor=#0000FF]109 RenderMathMLOperator {mo} at (1,0) size 20x1 0104 RenderText {#text} at (304,4) size 4x17 105 text run at (304,4) width 4: " " 106 RenderMathMLMath {math} at (308,0) size 24x18 [padding: 0 1 0 1] 107 RenderMathMLUnderOver {mover} at (1,0) size 22x18 108 RenderMathMLSpace {mspace} at (0,15) size 22x3 [bgcolor=#0000FF] 109 RenderMathMLOperator {mo} at (1,0) size 20x11 110 110 RenderBlock (anonymous) at (0,0) size 12x10 111 111 RenderText 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size 6x80 345 345 text run at (0,-43) width 6: "\x{23DF}" 346 346 RenderText {#text} at (0,0) size 0x0 347 RenderBlock {P} at (0,83) size 784x51 348 RenderMathMLMath {math} at (0,4) size 102x10 [padding: 0 1 0 1] 349 RenderMathMLUnderOver {mover} at (1,0) size 100x10 350 RenderMathMLSpace {mspace} at (0,8) size 100x2 [bgcolor=#FF0000] 347 RenderBlock {P} at (0,96) size 784x62 348 RenderMathMLMath {math} at (0,0) size 102x16 [padding: 0 1 0 1] 349 RenderMathMLUnderOver {mover} at (1,0) size 100x16 350 RenderMathMLSpace {mspace} at (0,13) size 100x3 [bgcolor=#FF0000] 351 RenderMathMLOperator {mo} at (40,0) size 20x9 352 RenderBlock (anonymous) at (0,0) size 12x8 353 RenderText {#text} at (0,-36) size 12x80 354 text run at (0,-36) width 12: "\x{2190}" 355 RenderText {#text} at (102,2) size 4x17 356 text run at (102,2) width 4: " " 357 RenderMathMLMath {math} at (106,0) size 102x16 [padding: 0 1 0 1] 358 RenderMathMLUnderOver {mover} at (1,0) size 100x16 359 RenderMathMLSpace {mspace} at (0,13) size 100x3 [bgcolor=#FF0000] 360 RenderMathMLOperator {mo} at (40,0) size 20x9 361 RenderBlock (anonymous) at (0,0) size 12x8 362 RenderText {#text} at (0,-36) size 12x80 363 text run at (0,-36) width 12: "\x{2192}" 364 RenderText {#text} at (208,2) size 4x17 365 text run at (208,2) width 4: " " 366 RenderMathMLMath {math} at (212,0) size 102x16 [padding: 0 1 0 1] 367 RenderMathMLUnderOver {mover} at (1,0) size 100x16 368 RenderMathMLSpace {mspace} at (0,13) size 100x3 [bgcolor=#FF0000] 369 RenderMathMLOperator {mo} at (40,0) size 20x9 370 RenderBlock (anonymous) at (0,0) size 12x8 371 RenderText {#text} at (0,-36) size 12x80 372 text run at (0,-36) width 12: "\x{2194}" 373 RenderText {#text} at (314,2) size 4x17 374 text run at (314,2) width 4: " " 375 RenderMathMLMath {math} at (318,0) size 102x16 [padding: 0 1 0 1] 376 RenderMathMLUnderOver {mover} at (1,0) size 100x16 377 RenderMathMLSpace {mspace} at (0,13) size 100x3 [bgcolor=#FF0000] 378 RenderMathMLOperator {mo} at 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"\x{2194}"373 RenderText {#text} at (314,0) size 4x17374 text run at (314,0) width 4: " "375 RenderMathMLMath {math} at (318,4) size 102x10 [padding: 0 1 0 1]376 RenderMathMLUnderOver {mover} at (1,0) size 100x10377 RenderMathMLSpace {mspace} at (0,8) size 100x2 [bgcolor=#FF0000]378 RenderMathMLOperator {mo} at (40,0) size 20x8379 RenderBlock (anonymous) at (0,0) size 12x8380 RenderText {#text} at (0,-36) size 12x80381 text run at (0,-36) width 12: "\x{21A4}"382 RenderText {#text} at (420,0) size 4x17383 text run at (420,0) width 4: " "384 RenderMathMLMath {math} at (424,4) size 102x10 [padding: 0 1 0 1]385 RenderMathMLUnderOver {mover} at (1,0) size 100x10386 RenderMathMLSpace {mspace} at (0,8) size 100x2 [bgcolor=#FF0000]387 RenderMathMLOperator {mo} at (40,0) size 20x8388 RenderBlock (anonymous) at (0,0) size 12x8389 RenderText {#text} at (0,-36) size 12x80390 text run at (0,-36) width 12: "\x{21A6}"391 RenderText {#text} at (526,0) size 4x17392 text run at (526,0) width 4: " "393 RenderMathMLMath {math} at (530,5) size 102x9 [padding: 0 1 0 1]394 RenderMathMLUnderOver {mover} at (1,0) size 100x9395 RenderMathMLSpace {mspace} at (0,7) size 100x2 [bgcolor=#FF0000]396 RenderMathMLOperator {mo} at (40,0) size 20x7397 RenderBlock (anonymous) at (0,0) size 12x8398 RenderText {#text} at (0,-36) size 12x80399 399 text run at (0,-36) width 12: "\x{21BC}" 400 RenderText {#text} at (632, 0) size 4x17401 text run at (632, 0) width 4: " "402 RenderMathMLMath {math} at (636, 7) size 102x7[padding: 0 1 0 1]403 RenderMathMLUnderOver {mover} at (1,0) size 100x 7404 RenderMathMLSpace {mspace} at (0, 5) size 100x2[bgcolor=#FF0000]405 RenderMathMLOperator {mo} at (40,0) size 20x 5400 RenderText {#text} at (632,2) size 4x17 401 text run at (632,2) width 4: " " 402 RenderMathMLMath {math} at (636,3) size 102x13 [padding: 0 1 0 1] 403 RenderMathMLUnderOver {mover} at (1,0) size 100x13 404 RenderMathMLSpace {mspace} at (0,10) size 100x3 [bgcolor=#FF0000] 405 RenderMathMLOperator {mo} at (40,0) size 20x6 406 406 RenderBlock (anonymous) at (0,0) size 12x5 407 407 RenderText {#text} at (0,-39) size 12x80 408 408 text run at (0,-39) width 12: "\x{21BD}" 409 409 RenderText {#text} at (0,0) size 0x0 410 RenderMathMLMath {math} at (0,22) size 102x 9[padding: 0 1 0 1]411 RenderMathMLUnderOver {mover} at (1,0) size 100x 9412 RenderMathMLSpace {mspace} at (0, 7) size 100x2[bgcolor=#FF0000]413 RenderMathMLOperator {mo} at (40,0) size 20x 7410 RenderMathMLMath {math} at (0,22) size 102x15 [padding: 0 1 0 1] 411 RenderMathMLUnderOver {mover} at (1,0) size 100x15 412 RenderMathMLSpace {mspace} at (0,12) size 100x3 [bgcolor=#FF0000] 413 RenderMathMLOperator {mo} at (40,0) size 20x8 414 414 RenderBlock (anonymous) at (0,0) size 12x8 415 415 RenderText {#text} at (0,-36) size 12x80 416 416 text run at (0,-36) width 12: "\x{21C0}" 417 RenderText {#text} at (102, 17) size 4x17418 text run at (102, 17) width 4: " "419 RenderMathMLMath {math} at (106,21) size 102x1 0[padding: 0 1 0 1]420 RenderMathMLUnderOver {mover} at (1,0) size 100x1 0421 RenderMathMLSpace {mspace} at (0, 8) size 100x2[bgcolor=#FF0000]422 RenderMathMLOperator {mo} at (40,0) size 20x 8417 RenderText {#text} at (102,23) size 4x17 418 text run at (102,23) width 4: " " 419 RenderMathMLMath {math} at (106,21) size 102x16 [padding: 0 1 0 1] 420 RenderMathMLUnderOver {mover} at (1,0) size 100x16 421 RenderMathMLSpace {mspace} at (0,13) size 100x3 [bgcolor=#FF0000] 422 RenderMathMLOperator {mo} at (40,0) size 20x9 423 423 RenderBlock (anonymous) at (0,0) size 12x8 424 424 RenderText {#text} at (0,-36) size 12x80 425 425 text run at (0,-36) width 12: "\x{21D0}" 426 RenderText {#text} at (208, 17) size 4x17427 text run at (208, 17) width 4: " "428 RenderMathMLMath {math} at (212,21) size 102x1 0[padding: 0 1 0 1]429 RenderMathMLUnderOver {mover} at (1,0) size 100x1 0430 RenderMathMLSpace {mspace} at (0, 8) size 100x2[bgcolor=#FF0000]431 RenderMathMLOperator {mo} at (40,0) size 20x 8426 RenderText {#text} at (208,23) size 4x17 427 text run at (208,23) width 4: " " 428 RenderMathMLMath {math} at (212,21) size 102x16 [padding: 0 1 0 1] 429 RenderMathMLUnderOver {mover} at (1,0) size 100x16 430 RenderMathMLSpace {mspace} at (0,13) size 100x3 [bgcolor=#FF0000] 431 RenderMathMLOperator {mo} at (40,0) size 20x9 432 432 RenderBlock (anonymous) at (0,0) size 12x8 433 433 RenderText {#text} at (0,-36) size 12x80 434 434 text run at (0,-36) width 12: "\x{21D2}" 435 RenderText {#text} at (314, 17) size 4x17436 text run at (314, 17) width 4: " "437 RenderMathMLMath {math} at (318,21) size 102x1 0[padding: 0 1 0 1]438 RenderMathMLUnderOver {mover} at (1,0) size 100x1 0439 RenderMathMLSpace {mspace} at (0, 8) size 100x2[bgcolor=#FF0000]440 RenderMathMLOperator {mo} at (40,0) size 20x 8435 RenderText {#text} at (314,23) size 4x17 436 text run at (314,23) width 4: " " 437 RenderMathMLMath {math} at (318,21) size 102x16 [padding: 0 1 0 1] 438 RenderMathMLUnderOver {mover} at (1,0) size 100x16 439 RenderMathMLSpace {mspace} at (0,13) size 100x3 [bgcolor=#FF0000] 440 RenderMathMLOperator {mo} at (40,0) size 20x9 441 441 RenderBlock (anonymous) at (0,0) size 12x8 442 442 RenderText {#text} at (0,-36) size 12x80 443 443 text run at (0,-36) width 12: "\x{21D4}" 444 RenderText {#text} at (420, 17) size 4x17445 text run at (420, 17) width 4: " "446 RenderMathMLMath {math} at (424,19) size 102x1 2[padding: 0 1 0 1]447 RenderMathMLUnderOver {mover} at (1,0) size 100x1 2448 RenderMathMLSpace {mspace} at (0,1 0) size 100x2[bgcolor=#FF0000]449 RenderMathMLOperator {mo} at (40,0) size 20x1 0444 RenderText {#text} at (420,23) size 4x17 445 text run at (420,23) width 4: " " 446 RenderMathMLMath {math} at (424,19) size 102x18 [padding: 0 1 0 1] 447 RenderMathMLUnderOver {mover} at (1,0) size 100x18 448 RenderMathMLSpace {mspace} at (0,15) size 100x3 [bgcolor=#FF0000] 449 RenderMathMLOperator {mo} at (40,0) size 20x11 450 450 RenderBlock (anonymous) at (0,0) size 12x10 451 451 RenderText {#text} at (0,-35) size 12x80 452 452 text run at (0,-35) width 12: "\x{21DA}" 453 RenderText {#text} at (526, 17) size 4x17454 text run at (526, 17) width 4: " "455 RenderMathMLMath {math} at (530,19) size 102x1 2[padding: 0 1 0 1]456 RenderMathMLUnderOver {mover} at (1,0) size 100x1 2457 RenderMathMLSpace {mspace} at (0,1 0) size 100x2[bgcolor=#FF0000]458 RenderMathMLOperator {mo} at (40,0) size 20x1 0453 RenderText {#text} at (526,23) size 4x17 454 text run at (526,23) width 4: " " 455 RenderMathMLMath {math} at (530,19) size 102x18 [padding: 0 1 0 1] 456 RenderMathMLUnderOver {mover} at (1,0) size 100x18 457 RenderMathMLSpace {mspace} at (0,15) size 100x3 [bgcolor=#FF0000] 458 RenderMathMLOperator {mo} at (40,0) size 20x11 459 459 RenderBlock (anonymous) at (0,0) size 12x10 460 460 RenderText {#text} at (0,-35) size 12x80 461 461 text run at (0,-35) width 12: "\x{21DB}" 462 RenderText {#text} at (632, 17) size 4x17463 text run at (632, 17) width 4: " "464 RenderMathMLMath {math} at (636,19) size 102x1 2[padding: 0 1 0 1]465 RenderMathMLUnderOver {mover} at (1,0) size 100x1 2466 RenderMathMLSpace {mspace} at (0,1 0) size 100x2[bgcolor=#FF0000]467 RenderMathMLOperator {mo} at (48,0) size 4x1 0462 RenderText {#text} at (632,23) size 4x17 463 text run at (632,23) width 4: " " 464 RenderMathMLMath {math} at (636,19) size 102x18 [padding: 0 1 0 1] 465 RenderMathMLUnderOver {mover} at (1,0) size 100x18 466 RenderMathMLSpace {mspace} at (0,15) size 100x3 [bgcolor=#FF0000] 467 RenderMathMLOperator {mo} at (48,0) size 4x11 468 468 RenderBlock (anonymous) at (0,0) size 4x10 469 469 RenderText {#text} at (0,-34) size 4x80 470 470 text run at (0,-34) width 4: "\x{23B4}" 471 471 RenderText {#text} at (0,0) size 0x0 472 RenderMathMLMath {math} at (0,4 1) size 102x7[padding: 0 1 0 1]473 RenderMathMLUnderOver {mover} at (1,0) size 100x 7474 RenderMathMLSpace {mspace} at (0, 5) size 100x2[bgcolor=#FF0000]475 RenderMathMLOperator {mo} at (48,0) size 4x 5472 RenderMathMLMath {math} at (0,46) size 102x13 [padding: 0 1 0 1] 473 RenderMathMLUnderOver {mover} at (1,0) size 100x13 474 RenderMathMLSpace {mspace} at (0,10) size 100x3 [bgcolor=#FF0000] 475 RenderMathMLOperator {mo} at (48,0) size 4x6 476 476 RenderBlock (anonymous) at (0,0) size 4x4 477 477 RenderText {#text} at (0,-43) size 4x80 478 478 text run at (0,-43) width 4: "\x{23B5}" 479 RenderText {#text} at (102, 34) size 4x17480 text run at (102, 34) width 4: " "481 RenderMathMLMath {math} at (106, 36) size 102x12[padding: 0 1 0 1]482 RenderMathMLUnderOver {mover} at (1,0) size 100x1 2483 RenderMathMLSpace {mspace} at (0,1 0) size 100x2[bgcolor=#FF0000]484 RenderMathMLOperator {mo} at (47,0) size 6x1 0479 RenderText {#text} at (102,45) size 4x17 480 text run at (102,45) width 4: " " 481 RenderMathMLMath {math} at (106,41) size 102x18 [padding: 0 1 0 1] 482 RenderMathMLUnderOver {mover} at (1,0) size 100x18 483 RenderMathMLSpace {mspace} at (0,15) size 100x3 [bgcolor=#FF0000] 484 RenderMathMLOperator {mo} at (47,0) size 6x11 485 485 RenderBlock (anonymous) at (0,0) size 6x10 486 486 RenderText {#text} at (0,-34) size 6x80 487 487 text run at (0,-34) width 6: "\x{23DC}" 488 RenderText {#text} at (208, 34) size 4x17489 text run at (208, 34) width 4: " "490 RenderMathMLMath {math} at (212,4 1) size 102x7[padding: 0 1 0 1]491 RenderMathMLUnderOver {mover} at (1,0) size 100x 7492 RenderMathMLSpace {mspace} at (0, 5) size 100x2[bgcolor=#FF0000]493 RenderMathMLOperator {mo} at (47,0) size 6x 5488 RenderText {#text} at (208,45) size 4x17 489 text run at (208,45) width 4: " " 490 RenderMathMLMath {math} at (212,46) size 102x13 [padding: 0 1 0 1] 491 RenderMathMLUnderOver {mover} at (1,0) size 100x13 492 RenderMathMLSpace {mspace} at (0,10) size 100x3 [bgcolor=#FF0000] 493 RenderMathMLOperator {mo} at (47,0) size 6x6 494 494 RenderBlock (anonymous) at (0,0) size 6x4 495 495 RenderText {#text} at (0,-43) size 6x80 496 496 text run at (0,-43) width 6: "\x{23DD}" 497 RenderText {#text} at (314, 34) size 4x17498 text run at (314, 34) width 4: " "499 RenderMathMLMath {math} at (318, 35) size 102x13[padding: 0 1 0 1]500 RenderMathMLUnderOver {mover} at (1,0) size 100x1 3501 RenderMathMLSpace {mspace} at (0,1 1) size 100x2[bgcolor=#FF0000]502 RenderMathMLOperator {mo} at (47,0) size 6x1 1497 RenderText {#text} at (314,45) size 4x17 498 text run at (314,45) width 4: " " 499 RenderMathMLMath {math} at (318,40) size 102x19 [padding: 0 1 0 1] 500 RenderMathMLUnderOver {mover} at (1,0) size 100x19 501 RenderMathMLSpace {mspace} at (0,16) size 100x3 [bgcolor=#FF0000] 502 RenderMathMLOperator {mo} at (47,0) size 6x12 503 503 RenderBlock (anonymous) at (0,0) size 6x11 504 504 RenderText {#text} at (0,-33) size 6x80 505 505 text run at (0,-33) width 6: "\x{23DE}" 506 RenderText {#text} at (420, 34) size 4x17507 text run at (420, 34) width 4: " "508 RenderMathMLMath {math} at (424,4 0) size 102x8[padding: 0 1 0 1]509 RenderMathMLUnderOver {mover} at (1,0) size 100x 8510 RenderMathMLSpace {mspace} at (0, 6) size 100x2[bgcolor=#FF0000]511 RenderMathMLOperator {mo} at (47,0) size 6x 6506 RenderText {#text} at (420,45) size 4x17 507 text run at (420,45) width 4: " " 508 RenderMathMLMath {math} at (424,45) size 102x14 [padding: 0 1 0 1] 509 RenderMathMLUnderOver {mover} at (1,0) size 100x14 510 RenderMathMLSpace {mspace} at (0,11) size 100x3 [bgcolor=#FF0000] 511 RenderMathMLOperator {mo} at (47,0) size 6x7 512 512 RenderBlock (anonymous) at (0,0) size 6x5 513 513 RenderText {#text} at (0,-43) size 6x80 -
trunk/LayoutTests/platform/gtk/mathml/opentype/horizontal-munderover-expected.txt
r202420 r203074 1 1 layer at (0,0) size 800x600 2 2 RenderView at (0,0) size 800x600 3 layer at (0,0) size 800x 634 RenderBlock {HTML} at (0,0) size 800x 635 RenderBody {BODY} at (8,16) size 784x3 16 RenderBlock {P} at (0,0) size 784x3 17 RenderMathMLMath {math} at (0, 4) size 50x16[padding: 0 1 0 1]8 RenderMathMLRow {mstyle} at (1,0) size 48x1 69 RenderMathMLUnderOver {mover} at (0,0) size 48x 810 RenderMathMLOperator {mo} at (20, 2) size 8x63 layer at (0,0) size 800x70 4 RenderBlock {HTML} at (0,0) size 800x70 5 RenderBody {BODY} at (8,16) size 784x38 6 RenderBlock {P} at (0,0) size 784x38 7 RenderMathMLMath {math} at (0,8) size 50x19 [padding: 0 1 0 1] 8 RenderMathMLRow {mstyle} at (1,0) size 48x19 9 RenderMathMLUnderOver {mover} at (0,0) size 48x12 10 RenderMathMLOperator {mo} at (20,5) size 8x7 11 11 RenderBlock (anonymous) at (0,0) size 8x14 12 12 RenderText {#text} at (0,-44) size 8x106 13 13 text run at (0,-44) width 8: "\x{23DE}" 14 14 RenderMathMLSpace {mspace} at (0,0) size 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trunk/Source/WebCore/ChangeLog
r203073 r203074 1 2016-07-11 Frederic Wang <fwang@igalia.com> 2 3 Use parameters from the OpenType MATH table for <munderover> 4 https://bugs.webkit.org/show_bug.cgi?id=155756 5 6 Reviewed by Brent Fulgham. 7 8 We follow the description from the MathML in HTML5 implementation 9 to improve the layout of <munderover> using some constants from the MATH table. 10 11 Tests: imported/mathml-in-html5/mathml/presentation-markup/scripts/underover-parameters-1.html 12 imported/mathml-in-html5/mathml/presentation-markup/scripts/underover-parameters-2.html 13 imported/mathml-in-html5/mathml/presentation-markup/scripts/underover-parameters-3.html 14 imported/mathml-in-html5/mathml/presentation-markup/scripts/underover-parameters-4.html 15 mathml/presentation/attributes-accent-accentunder-dynamic.html 16 17 * mathml/mathattrs.in: Add accentunder attribute. 18 * rendering/mathml/MathMLOperatorDictionary.h: Remove FIXME comment. 19 * rendering/mathml/RenderMathMLUnderOver.cpp: 20 (WebCore::RenderMathMLUnderOver::hasAccent): Helper function to determine whether 21 the over/under script should be treated as an accent. 22 (WebCore::RenderMathMLUnderOver::getVerticalParameters): Helper function to read 23 some vertical parameters from the MATH table. 24 (WebCore::RenderMathMLUnderOver::layoutBlock): Take into account the new vertical 25 parameters for the layout of <munderover>. 26 * rendering/mathml/RenderMathMLUnderOver.h: Define new helper functions. 27 1 28 2016-07-11 Frederic Wang <fwang@igalia.com> 2 29 -
trunk/Source/WebCore/mathml/mathattrs.in
r202962 r203074 5 5 6 6 accent 7 accentunder 7 8 actiontype 8 9 alttext -
trunk/Source/WebCore/rendering/mathml/MathMLOperatorDictionary.h
r202970 r203074 36 36 enum Form { Infix, Prefix, Postfix }; 37 37 enum Flag { 38 Accent = 0x1, // FIXME: This must be used to implement accentunder/accent on munderover (https://bugs.webkit.org/show_bug.cgi?id=124826).38 Accent = 0x1, 39 39 Fence = 0x2, // This has no visual effect but allows to expose semantic information via the accessibility tree. 40 40 LargeOp = 0x4, -
trunk/Source/WebCore/rendering/mathml/RenderMathMLUnderOver.cpp
r202970 r203074 33 33 #include "MathMLElement.h" 34 34 #include "MathMLNames.h" 35 #include "MathMLOperatorDictionary.h" 35 36 #include "RenderIterator.h" 36 37 #include "RenderMathMLOperator.h" … … 161 162 } 162 163 164 bool RenderMathMLUnderOver::hasAccent(bool accentUnder) const 165 { 166 ASSERT(m_scriptType == UnderOver || (accentUnder && m_scriptType == Under) || (!accentUnder && m_scriptType == Over)); 167 168 const AtomicString& attributeValue = element()->fastGetAttribute(accentUnder ? accentunderAttr : accentAttr); 169 if (attributeValue == "true") 170 return true; 171 if (attributeValue == "false") 172 return false; 173 RenderBox& script = accentUnder ? under() : over(); 174 if (!is<RenderMathMLBlock>(script)) 175 return false; 176 auto* scriptOperator = downcast<RenderMathMLBlock>(script).unembellishedOperator(); 177 return scriptOperator && scriptOperator->hasOperatorFlag(MathMLOperatorDictionary::Accent); 178 } 179 180 bool RenderMathMLUnderOver::getVerticalParameters(LayoutUnit& underGapMin, LayoutUnit& overGapMin, LayoutUnit& underShiftMin, LayoutUnit& overShiftMin, LayoutUnit& underExtraDescender, LayoutUnit& overExtraAscender, LayoutUnit& accentBaseHeight) const 181 { 182 // By default, we set all values to zero. 183 underGapMin = overGapMin = underShiftMin = overShiftMin = underExtraDescender = overExtraAscender = accentBaseHeight = 0; 184 185 const auto& primaryFont = style().fontCascade().primaryFont(); 186 auto* mathData = primaryFont.mathData(); 187 if (!mathData) { 188 // The MATH table specification does not really provide any suggestions, except for some underbar/overbar values and AccentBaseHeight. 189 LayoutUnit defaultLineThickness = ruleThicknessFallback(); 190 underGapMin = overGapMin = 3 * defaultLineThickness; 191 underExtraDescender = overExtraAscender = defaultLineThickness; 192 accentBaseHeight = style().fontMetrics().xHeight(); 193 return true; 194 } 195 196 if (is<RenderMathMLBlock>(base())) { 197 if (auto* baseOperator = downcast<RenderMathMLBlock>(base()).unembellishedOperator()) { 198 if (baseOperator->hasOperatorFlag(MathMLOperatorDictionary::LargeOp)) { 199 // The base is a large operator so we read UpperLimit/LowerLimit constants from the MATH table. 200 underGapMin = mathData->getMathConstant(primaryFont, OpenTypeMathData::LowerLimitGapMin); 201 overGapMin = mathData->getMathConstant(primaryFont, OpenTypeMathData::UpperLimitGapMin); 202 underShiftMin = mathData->getMathConstant(primaryFont, OpenTypeMathData::LowerLimitBaselineDropMin); 203 overShiftMin = mathData->getMathConstant(primaryFont, OpenTypeMathData::UpperLimitBaselineRiseMin); 204 return false; 205 } 206 if (baseOperator->hasOperatorFlag(MathMLOperatorDictionary::Stretchy) && !baseOperator->isVertical()) { 207 // The base is a horizontal stretchy operator, so we read StretchStack constants from the MATH table. 208 underGapMin = mathData->getMathConstant(primaryFont, OpenTypeMathData::StretchStackGapBelowMin); 209 overGapMin = mathData->getMathConstant(primaryFont, OpenTypeMathData::StretchStackGapAboveMin); 210 underShiftMin = mathData->getMathConstant(primaryFont, OpenTypeMathData::StretchStackBottomShiftDown); 211 overShiftMin = mathData->getMathConstant(primaryFont, OpenTypeMathData::StretchStackTopShiftUp); 212 return false; 213 } 214 } 215 } 216 217 // By default, we just use the underbar/overbar constants. 218 underGapMin = mathData->getMathConstant(primaryFont, OpenTypeMathData::UnderbarVerticalGap); 219 overGapMin = mathData->getMathConstant(primaryFont, OpenTypeMathData::OverbarVerticalGap); 220 underExtraDescender = mathData->getMathConstant(primaryFont, OpenTypeMathData::UnderbarExtraDescender); 221 overExtraAscender = mathData->getMathConstant(primaryFont, OpenTypeMathData::OverbarExtraAscender); 222 accentBaseHeight = mathData->getMathConstant(primaryFont, OpenTypeMathData::AccentBaseHeight); 223 return true; 224 } 225 163 226 void RenderMathMLUnderOver::layoutBlock(bool relayoutChildren, LayoutUnit pageLogicalHeight) 164 227 { … … 197 260 setLogicalWidth(logicalWidth); 198 261 262 LayoutUnit underGapMin, overGapMin, underShiftMin, overShiftMin, underExtraDescender, overExtraAscender, accentBaseHeight; 263 bool underOverBarFall = getVerticalParameters(underGapMin, overGapMin, underShiftMin, overShiftMin, underExtraDescender, overExtraAscender, accentBaseHeight); 199 264 LayoutUnit verticalOffset = 0; 200 265 if (m_scriptType == Over || m_scriptType == UnderOver) { 201 over().setLocation(LayoutPoint(horizontalOffset(over()), 0)); 202 verticalOffset += over().logicalHeight(); 266 verticalOffset += overExtraAscender; 267 over().setLocation(LayoutPoint(horizontalOffset(over()), verticalOffset)); 268 if (underOverBarFall) { 269 verticalOffset += over().logicalHeight(); 270 if (hasAccent()) { 271 LayoutUnit baseAscent = ascentForChild(base()); 272 if (baseAscent < accentBaseHeight) 273 verticalOffset += accentBaseHeight - baseAscent; 274 } else 275 verticalOffset += overGapMin; 276 } else { 277 LayoutUnit overAscent = ascentForChild(over()); 278 verticalOffset += std::max(over().logicalHeight() + overGapMin, overAscent + overShiftMin); 279 } 203 280 } 204 281 base().setLocation(LayoutPoint(horizontalOffset(base()), verticalOffset)); 205 282 verticalOffset += base().logicalHeight(); 206 283 if (m_scriptType == Under || m_scriptType == UnderOver) { 284 if (underOverBarFall) { 285 if (!hasAccentUnder()) 286 verticalOffset += underGapMin; 287 } else { 288 LayoutUnit underAscent = ascentForChild(under()); 289 verticalOffset += std::max(underGapMin, underShiftMin - underAscent); 290 } 207 291 under().setLocation(LayoutPoint(horizontalOffset(under()), verticalOffset)); 208 292 verticalOffset += under().logicalHeight(); 293 verticalOffset += underExtraDescender; 209 294 } 210 295 -
trunk/Source/WebCore/rendering/mathml/RenderMathMLUnderOver.h
r202970 r203074 52 52 RenderBox& over() const; 53 53 LayoutUnit horizontalOffset(const RenderBox&) const; 54 bool hasAccent(bool accentUnder = false) const; 55 bool hasAccentUnder() const { return hasAccent(true); }; 56 bool getVerticalParameters(LayoutUnit& underGapMin, LayoutUnit& overGapMin, LayoutUnit& underShiftMin, LayoutUnit& overShiftMin, LayoutUnit& underExtraDescender, LayoutUnit& overExtraAscender, LayoutUnit& accentBaseHeight) const; 54 57 }; 55 58
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