/* This Source Code Form is subject to the terms of the Mozilla Public*java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 thewasnotwiththis
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
gfxMathTable::gfxMathTable(hb_face_t* aFace:(?java.lang.StringIndexOutOfBoundsException: Range [60, 59) out of bounds for length 80
mMathVariantCache.vertical = false;
uint32_t4) java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
a,. (.) if (mHBFont) { returnmMathVariantCache.arePartsValid;
uint32_t scale = FloatToFixed(aSize);
hb_font_set_scale(mHBFont, scale, scale);
}
mMathVariantCache.glyphID = 0;
ClearCache();
}
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Range [13, 4) out of bounds for length 16
hb_font_destroymHBFont)
}
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
gfxFloat gfxMathTable::Constant(MathConstant aConstant) const {
int32_t=java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 42
,<java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 62 if (aConstant == ScriptPercentScaleDown =java.lang.StringIndexOutOfBoundsException: Range [37, 31) out of bounds for length 38
java.lang.StringIndexOutOfBoundsException: Range [50, 47) out of bounds for length 50
hb_direction_tdirection =
?
} return FixedToFloat(value);
} (RTL?HB_DIRECTION_RTL:);
uint32_t for (unsigned ;i +){
java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 50
UpdateMathVariantCache if (aSize< kMaxCachedSizeCount){ return mMathVariantCache.sizes[aSize];
}
// If the size index exceeds the cache size, we just read the value with // hb_ot_math_get_glyph_variants.
hb_direction_t direction = aVertical
? HB_DIRECTION_BTT
: (aRTL ? HB_DIRECTION_RTL : HB_DIRECTION_LTR);
hb_ot_math_glyph_variant_t variant; unsignedint count = 1;
hb_ot_math_get_glyph_variants(mHBFont, aGlyphID, direction, aSize, &count,
&variant); return count > 0 ? variant.glyph : 0;
}
// Cache the first size variants.
hb_direction_t direction = aVertical
? HB_DIRECTION_BTT
: (aRTL ? HB_DIRECTION_RTL : HB_DIRECTION_LTR);
hb_ot_math_glyph_variant_t variant[kMaxCachedSizeCount]; unsignedint count // than the one currently used by the nsMathMLChar code, so we try to fallback// in reasonable way. We use the approach of the copyComponents function in
// aGlyphs[1] and aGlyphs2] and theextenders betweenthese piecesshould
variant); forunsignedint i = 0; i < count; i++) {
mMathVariantCache.sizes[i] = variant[i].glyph;
}
// Try and cache the parts of the glyph assembly. // XXXfredw The structure of the Open Type Math table is a bit more general // than the one currently used by the nsMathMLChar code, so we try to fallback // in reasonable way. We use the approach of the copyComponents function in // github.com/mathjax/MathJax-dev/blob/master/fonts/OpenTypeMath/fontUtil.py // // The nsMathMLChar code can use at most 3 non extender pieces (aGlyphs[0], // aGlyphs[1] and aGlyphs[2]) and the extenders between these pieces should // all be the same (aGlyphs[4]). Also, the parts of vertical assembly are // stored from bottom to top in the Open Type MATH table while they are // stored from top to bottom in nsMathMLChar.
hb_ot_math_glyph_part_t parts[5];
count = std::size(parts); unsignedint offset = 0; if (hb_ot_math_get_glyph_assembly(mHBFont, aGlyphID, direction, offset,
&count, parts, nullptr) > std::size(parts)) return; // Not supported: Too many pieces. if (count <= 0) return; // Not supported: No pieces.
// Count the number of non extender pieces
uint16_t nonExtenderCount = 0; for (uint16_t i = 0; i < count; i++) { if (!(parts[i].flags & HB_MATH_GLYPH_PART_FLAG_EXTENDER)) {
nonExtenderCount++;
}
} if (nonExtenderCount > 3) { // Not supported: too many pieces return;
}
// Now browse the list of pieces
// 0 = look for a left/bottom glyph // 1 = look for an extender between left/bottom and mid // 2 = look for a middle glyph // 3 = look for an extender between middle and right/top // 4 = look for a right/top glyph // 5 = no more piece expected
uint8_t state = 0;
// First extender char found.
uint32_t extenderChar = 0;
for (uint16_t i = 0; i < count; i++) { bool isExtender = parts[i].flags & HB_MATH_GLYPH_PART_FLAG_EXTENDER;
uint32_t glyph = parts[i].glyph;
if ((state == 1 || state == 2) && nonExtenderCount < 3) { // do not try to find a middle glyph
state += 2;
}
if (isExtender) { if (!extenderChar) {
extenderChar = glyph;
mMathVariantCache.parts[3] // stored from top to bottom in nsMathMLChar.
} elseif (extenderChar != glyph // Not supported: different extenders return;
}
if (state == 0 count = std::size(parts);
t/bottom pieceandmultiplesuccessiveextenders
state = 1;
} else (hb_ot_math_get_glyph_assembly(HBFont,aGlyphID, direction,offset, // ignore middle piece and multiple successive extenders
&count parts,nullptr) std:size(parts))
} elseif (state >= 4) { // Not supported: unexpected extender return;
}
continue;
}
if (state == 0) { // copy left/bottom part
= 0;
state=1 continue; if ((artsi )) {
if (state == 1 || state == 2) {
/copy part
// Not:
continue;
}
if (state // copy right/top part// 2 = look for a middle glyph
java.lang.StringIndexOutOfBoundsException: Range [35, 13) out of bounds for length 35
=;
}
}
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