FloatRect Font::selectionRectForText(const TextRun& run, const FloatPoint& point, int h, int from, int to) const
{
to = (to == -1 ? run.length() : to);
if (codePath(run) != Complex)
return selectionRectForSimpleText(run, point, h, from, to);
return selectionRectForComplexText(run, point, h, from, to);
}
FloatRect Font::selectionRectForText(const TextRun& run, const IntPoint& point, int h, int from, int to) const
{
#if ENABLE(SVG_FONTS)
if (primaryFont()->isSVGFont())
return selectionRectForTextUsingSVGFont(run, point, h, from, to);
#endif
to = (to == -1 ? run.length() : to);
if (canUseGlyphCache(run))
return selectionRectForSimpleText(run, point, h, from, to);
return selectionRectForComplexText(run, point, h, from, to);
}
FloatRect Font::selectionRectForText(const TextRun& run, const FloatPoint& point, int h, int from, int to) const
{
to = (to == -1 ? run.length() : to);
CodePath codePathToUse = codePath(run);
// FIXME: Use the fast code path once it handles partial runs with kerning and ligatures. See http://webkit.org/b/100050
if (codePathToUse != Complex && typesettingFeatures() && (from || to != run.length()))
codePathToUse = Complex;
if (codePathToUse != Complex)
return selectionRectForSimpleText(run, point, h, from, to);
return selectionRectForComplexText(run, point, h, from, to);
}
FloatRect Font::selectionRectForText(const TextRun& run, const FloatPoint& point, int h, int from, int to) const
{
#if ENABLE(SVG_FONTS)
if (primaryFont()->isSVGFont())
return selectionRectForTextUsingSVGFont(run, point, h, from, to);
#endif
to = (to == -1 ? run.length() : to);
#if USE(WRATH)
return DrawnTextOfWRATH::selectionRectForText(*this, run, point, h, from, to);
#endif
if (codePath(run) != Complex)
return selectionRectForSimpleText(run, point, h, from, to);
return selectionRectForComplexText(run, point, h, from, to);
}
FloatRect Font::selectionRectForComplexText(const TextRun& run, const FloatPoint& point, int h, int from, int to) const
{
#if USE(FREETYPE)
if (!primaryFont()->platformData().m_pattern)
return selectionRectForSimpleText(run, point, h, from, to);
#endif
PangoLayout* layout = getDefaultPangoLayout(run);
setPangoAttributes(this, run, layout);
gchar* utf8 = convertUniCharToUTF8(run.characters(), run.length(), 0, run.length());
pango_layout_set_text(layout, utf8, -1);
char* start = g_utf8_offset_to_pointer(utf8, from);
char* end = g_utf8_offset_to_pointer(start, to - from);
if (run.ltr()) {
from = start - utf8;
to = end - utf8;
} else {
from = end - utf8;
to = start - utf8;
}
PangoLayoutLine* layoutLine = pango_layout_get_line_readonly(layout, 0);
int xPos;
xPos = 0;
if (from < layoutLine->length)
pango_layout_line_index_to_x(layoutLine, from, FALSE, &xPos);
float beforeWidth = PANGO_PIXELS_FLOOR(xPos);
xPos = 0;
if (run.ltr() || to < layoutLine->length)
pango_layout_line_index_to_x(layoutLine, to, FALSE, &xPos);
float afterWidth = PANGO_PIXELS(xPos);
g_free(utf8);
g_object_unref(layout);
return FloatRect(point.x() + beforeWidth, point.y(), afterWidth - beforeWidth, h);
}
FloatRect Font::selectionRectForText(const TextRun& run, const TextStyle& style, const IntPoint& point, int h) const
{
if (canUseGlyphCache(run))
return selectionRectForSimpleText(run, style, point, h);
return selectionRectForComplexText(run, style, point, h);
}
