static VALUE
rg_index_to_x(VALUE self, VALUE index, VALUE trailing)
{
int x_pos;
pango_layout_line_index_to_x(_SELF(self), NUM2INT(index),
RVAL2CBOOL(trailing), &x_pos);
return INT2NUM(x_pos);
}
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);
}
JNIEXPORT void JNICALL
Java_org_gnome_pango_PangoLayoutLine_pango_1layout_1line_1index_1to_1x
(
JNIEnv* env,
jclass cls,
jlong _self,
jint _index,
jboolean _trailing,
jintArray _xPos
)
{
PangoLayoutLine* self;
int index;
gboolean trailing;
int* xPos;
// convert parameter self
self = (PangoLayoutLine*) _self;
// convert parameter index
index = (int) _index;
// convert parameter trailing
trailing = (gboolean) _trailing;
// convert parameter xPos
xPos = (int*) (*env)->GetIntArrayElements(env, _xPos, NULL);
if (xPos == NULL) {
return; // Java Exception already thrown
}
// call function
pango_layout_line_index_to_x(self, index, trailing, xPos);
// cleanup parameter self
// cleanup parameter index
// cleanup parameter trailing
// cleanup parameter xPos
(*env)->ReleaseIntArrayElements(env, _xPos, (jint*)xPos, 0);
}
