Font::Font(const FontPlatformData& platformData, bool isCustomFont, bool isLoading, bool isTextOrientationFallback)
: m_maxCharWidth(-1)
, m_avgCharWidth(-1)
, m_platformData(platformData)
, m_treatAsFixedPitch(false)
, m_isCustomFont(isCustomFont)
, m_isLoading(isLoading)
, m_isTextOrientationFallback(isTextOrientationFallback)
, m_isBrokenIdeographFallback(false)
, m_mathData(nullptr)
#if ENABLE(OPENTYPE_VERTICAL)
, m_verticalData(0)
#endif
, m_hasVerticalGlyphs(false)
{
platformInit();
platformGlyphInit();
platformCharWidthInit();
#if ENABLE(OPENTYPE_VERTICAL)
if (platformData.orientation() == Vertical && !isTextOrientationFallback) {
m_verticalData = platformData.verticalData();
m_hasVerticalGlyphs = m_verticalData.get() && m_verticalData->hasVerticalMetrics();
}
#endif
}
SimpleFontData::SimpleFontData(const FontPlatformData& f, bool customFont, bool loading, SVGFontData* svgFontData)
: m_maxCharWidth(-1)
, m_avgCharWidth(-1)
, m_unitsPerEm(defaultUnitsPerEm)
, m_platformData(f)
, m_treatAsFixedPitch(false)
#if ENABLE(SVG_FONTS)
, m_svgFontData(svgFontData)
#endif
, m_isCustomFont(customFont)
, m_isLoading(loading)
, m_smallCapsFontData(0)
#if (PLATFORM(WKC))
, m_lineSpacing(0)
#endif
{
#if !ENABLE(SVG_FONTS)
UNUSED_PARAM(svgFontData);
#else
if (SVGFontFaceElement* svgFontFaceElement = svgFontData ? svgFontData->svgFontFaceElement() : 0) {
m_unitsPerEm = svgFontFaceElement->unitsPerEm();
double scale = f.size();
if (m_unitsPerEm)
scale /= m_unitsPerEm;
m_ascent = static_cast<int>(svgFontFaceElement->ascent() * scale);
m_descent = static_cast<int>(svgFontFaceElement->descent() * scale);
m_xHeight = static_cast<int>(svgFontFaceElement->xHeight() * scale);
m_lineGap = 0.1f * f.size();
m_lineSpacing = m_ascent + m_descent + m_lineGap;
SVGFontElement* associatedFontElement = svgFontFaceElement->associatedFontElement();
Vector<SVGGlyphIdentifier> spaceGlyphs;
associatedFontElement->getGlyphIdentifiersForString(String(" ", 1), spaceGlyphs);
m_spaceWidth = spaceGlyphs.isEmpty() ? m_xHeight : static_cast<float>(spaceGlyphs.first().horizontalAdvanceX * scale);
Vector<SVGGlyphIdentifier> numeralZeroGlyphs;
associatedFontElement->getGlyphIdentifiersForString(String("0", 1), numeralZeroGlyphs);
m_avgCharWidth = numeralZeroGlyphs.isEmpty() ? m_spaceWidth : static_cast<float>(numeralZeroGlyphs.first().horizontalAdvanceX * scale);
Vector<SVGGlyphIdentifier> letterWGlyphs;
associatedFontElement->getGlyphIdentifiersForString(String("W", 1), letterWGlyphs);
m_maxCharWidth = letterWGlyphs.isEmpty() ? m_ascent : static_cast<float>(letterWGlyphs.first().horizontalAdvanceX * scale);
// FIXME: is there a way we can get the space glyph from the SVGGlyphIdentifier above?
m_spaceGlyph = 0;
determinePitch();
m_adjustedSpaceWidth = roundf(m_spaceWidth);
m_missingGlyphData.fontData = this;
m_missingGlyphData.glyph = 0;
return;
}
#endif
platformInit();
platformGlyphInit();
platformCharWidthInit();
}
Font::Font(const FontPlatformData& platformData, bool isCustomFont, bool isLoading, bool isTextOrientationFallback)
: Font(platformData, std::unique_ptr<SVGData>(), isCustomFont, isLoading, isTextOrientationFallback)
{
platformInit();
platformGlyphInit();
platformCharWidthInit();
#if ENABLE(OPENTYPE_VERTICAL)
if (platformData.orientation() == Vertical && !isTextOrientationFallback) {
m_verticalData = platformData.verticalData();
m_hasVerticalGlyphs = m_verticalData.get() && m_verticalData->hasVerticalMetrics();
}
#endif
}
SimpleFontData::SimpleFontData(const FontPlatformData& platformData, bool isCustomFont, bool isLoading)
: m_maxCharWidth(-1)
, m_avgCharWidth(-1)
, m_orientation(platformData.orientation())
, m_platformData(platformData)
, m_treatAsFixedPitch(false)
, m_isCustomFont(isCustomFont)
, m_isLoading(isLoading)
, m_isBrokenIdeographFont(false)
{
platformInit();
platformGlyphInit();
platformCharWidthInit();
}
SimpleFontData::SimpleFontData(const FontPlatformData& platformData, bool isCustomFont, bool isLoading, bool isTextOrientationFallback)
: m_maxCharWidth(-1)
, m_avgCharWidth(-1)
, m_platformData(platformData)
, m_treatAsFixedPitch(false)
, m_isCustomFont(isCustomFont)
, m_isLoading(isLoading)
, m_isTextOrientationFallback(isTextOrientationFallback)
, m_isBrokenIdeographFallback(false)
, m_hasVerticalGlyphs(false)
{
platformInit();
platformGlyphInit();
platformCharWidthInit();
}
