Source/WebCore/platform/graphics/PositionedGlyphs.cpp

/*
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#include "config.h"
#include "PositionedGlyphs.h"

#include "Font.h"

namespace WebCore {

FloatRect PositionedGlyphs::computeBounds(const Font& font) const
{
    FloatRect bounds;

    // FIXME: This code doesn't actually take the extents of the glyphs into consideration. It assumes that
    // the glyph lies entirely within its [(ascent + descent), advance] rect.
    float ascent = font.fontMetrics().floatAscent();
    float descent = font.fontMetrics().floatDescent();
    FloatPoint current = localAnchor;
    for (auto& advance : advances) {
        FloatRect glyphRect = FloatRect(current.x(), current.y() - ascent, width(advance), ascent + descent);
        bounds.unite(glyphRect);

        current.move(width(advance), height(advance));
    }

    return bounds;
}

} // namespace WebCore