NS_IMETHODIMP
nsSVGTextContainerFrame::GetNumberOfChars(PRInt32 *_retval)
{
*_retval = GetNumberOfChars();
return NS_OK;
}
NS_IMETHODIMP
nsSVGTextContainerFrame::GetSubStringLength(PRUint32 charnum,
PRUint32 nchars,
float *_retval)
{
PRUint32 charcount = GetNumberOfChars();
if (charcount <= charnum || nchars > charcount - charnum) {
*_retval = 0.0f;
return NS_ERROR_DOM_INDEX_SIZE_ERR;
}
if (nchars == 0) {
*_retval = 0.0f;
return NS_OK;
}
*_retval = GetSubStringLengthNoValidation(charnum, nchars);
return NS_OK;
}
NS_IMETHODIMP
nsSVGTextContainerFrame::GetRotationOfChar(PRUint32 charnum, float *_retval)
{
*_retval = 0.0f;
if (charnum >= GetNumberOfChars()) {
return NS_ERROR_DOM_INDEX_SIZE_ERR;
}
nsISVGGlyphFragmentNode *node = GetFirstGlyphFragmentChildNode();
if (!node) {
return NS_ERROR_FAILURE;
}
PRUint32 offset;
nsISVGGlyphFragmentLeaf *fragment = GetGlyphFragmentAtCharNum(node, charnum, &offset);
if (!fragment) {
return NS_ERROR_FAILURE;
}
return fragment->GetRotationOfChar(charnum - offset, _retval);
}
/* long getNumberOfChars (); */
NS_IMETHODIMP SVGTextContentElement::GetNumberOfChars(int32_t *_retval)
{
*_retval = GetNumberOfChars();
return NS_OK;
}
