static float textWidth(const RenderText& text, unsigned from, unsigned length, float xPosition, const RenderStyle& style)
{
if (style.font().isFixedPitch() || (!from && length == text.textLength()))
return text.width(from, length, style.font(), xPosition, nullptr, nullptr);
// FIXME: Add templated UChar/LChar paths.
TextRun run = text.is8Bit() ? TextRun(text.characters8() + from, length) : TextRun(text.characters16() + from, length);
run.setCharactersLength(text.textLength() - from);
ASSERT(run.charactersLength() >= run.length());
run.setXPos(xPosition);
return style.font().width(run);
}
static float textWidth(const RenderText& renderText, const CharacterType* text, unsigned textLength, unsigned from, unsigned to, float xPosition, const Style& style)
{
if (style.font.isFixedPitch() || (!from && to == textLength))
return renderText.width(from, to - from, style.font, xPosition, nullptr, nullptr);
TextRun run(text + from, to - from);
run.setXPos(xPosition);
run.setCharactersLength(textLength - from);
run.setTabSize(!!style.tabWidth, style.tabWidth);
ASSERT(run.charactersLength() >= run.length());
return style.font.width(run);
}
