static void measureTextRenderer(RenderSVGInlineText* text, MeasureTextData* data, bool processRenderer)
{
ASSERT(text);
SVGTextLayoutAttributes* attributes = text->layoutAttributes();
Vector<SVGTextMetrics>* textMetricsValues = &attributes->textMetricsValues();
if (processRenderer) {
if (data->allCharactersMap)
attributes->clear();
else
textMetricsValues->clear();
}
SVGTextMetricsCalculator calculator(text);
bool preserveWhiteSpace = text->style()->whiteSpace() == PRE;
unsigned surrogatePairCharacters = 0;
unsigned skippedCharacters = 0;
unsigned textPosition = 0;
unsigned textLength = calculator.textLength();
SVGTextMetrics currentMetrics;
for (; textPosition < textLength; textPosition += currentMetrics.length()) {
currentMetrics = calculator.computeMetricsForCharacter(textPosition);
if (!currentMetrics.length())
break;
bool characterIsWhiteSpace = calculator.characterIsWhiteSpace(textPosition);
if (characterIsWhiteSpace && !preserveWhiteSpace && data->lastCharacterWasWhiteSpace) {
if (processRenderer)
textMetricsValues->append(SVGTextMetrics(SVGTextMetrics::SkippedSpaceMetrics));
if (data->allCharactersMap)
skippedCharacters += currentMetrics.length();
continue;
}
if (processRenderer) {
if (data->allCharactersMap) {
const SVGCharacterDataMap::const_iterator it = data->allCharactersMap->find(data->valueListPosition + textPosition - skippedCharacters - surrogatePairCharacters + 1);
if (it != data->allCharactersMap->end())
attributes->characterDataMap().set(textPosition + 1, it->value);
}
textMetricsValues->append(currentMetrics);
}
if (data->allCharactersMap && calculator.characterStartsSurrogatePair(textPosition))
surrogatePairCharacters++;
data->lastCharacterWasWhiteSpace = characterIsWhiteSpace;
}
if (!data->allCharactersMap)
return;
data->valueListPosition += textPosition - skippedCharacters;
}
void SVGTextMetricsBuilder::measureTextRenderer(RenderSVGInlineText* text, MeasureTextData* data)
{
ASSERT(text);
SVGTextLayoutAttributes* attributes = text->layoutAttributes();
Vector<SVGTextMetrics>* textMetricsValues = &attributes->textMetricsValues();
if (data->processRenderer) {
if (data->allCharactersMap)
attributes->clear();
else
textMetricsValues->clear();
}
initializeMeasurementWithTextRenderer(text);
bool preserveWhiteSpace = text->style()->whiteSpace() == PRE;
int surrogatePairCharacters = 0;
while (advance()) {
const UChar* currentCharacter = m_run.data16(m_textPosition);
if (*currentCharacter == ' ' && !preserveWhiteSpace && (!data->lastCharacter || *data->lastCharacter == ' ')) {
if (data->processRenderer)
textMetricsValues->append(SVGTextMetrics(SVGTextMetrics::SkippedSpaceMetrics));
if (data->allCharactersMap)
data->skippedCharacters += m_currentMetrics.length();
continue;
}
if (data->processRenderer) {
if (data->allCharactersMap) {
const SVGCharacterDataMap::const_iterator it = data->allCharactersMap->find(data->valueListPosition + m_textPosition - data->skippedCharacters - surrogatePairCharacters + 1);
if (it != data->allCharactersMap->end())
attributes->characterDataMap().set(m_textPosition + 1, it->value);
}
textMetricsValues->append(m_currentMetrics);
}
if (data->allCharactersMap && currentCharacterStartsSurrogatePair())
surrogatePairCharacters++;
data->lastCharacter = currentCharacter;
}
if (!data->allCharactersMap)
return;
data->valueListPosition += m_textPosition - data->skippedCharacters;
data->skippedCharacters = 0;
}
