UT_Error _importGraphic(const UT_ConstByteBufPtr & pBB)
{
GdkPixbuf * pixbuf = NULL;
GError * err = NULL;
RsvgHandle * rsvg = rsvg_handle_new ();
if ( FALSE == rsvg_handle_write ( rsvg, static_cast<const guchar *>(pBB->getPointer (0)),
static_cast<gsize>(pBB->getLength ()), &err ) )
{
UT_DEBUGMSG(("DOM: couldn't write to loader: %s\n", err->message));
g_error_free(err);
return UT_ERROR ;
}
if ( FALSE == rsvg_handle_close ( rsvg, &err ) )
{
UT_DEBUGMSG(("DOM: couldn't write to loader: %s\n", err->message));
g_error_free(err);
g_object_unref(G_OBJECT(rsvg));
return UT_ERROR ;
}
pixbuf = rsvg_handle_get_pixbuf ( rsvg ) ;
g_object_unref(G_OBJECT(rsvg));
if (!pixbuf)
{
return UT_ERROR;
}
g_object_ref (pixbuf);
// Initialize stuff to create our PNG.
UT_Error error = Initialize_PNG();
if (error)
{
return error;
}
if (setjmp(png_jmpbuf(m_pPNG)))
{
g_object_unref(G_OBJECT(pixbuf));
png_destroy_write_struct(&m_pPNG, &m_pPNGInfo);
return UT_ERROR;
}
//
// Build the png member variables.
//
_createPNGFromPixbuf(pixbuf);
//
// Get rid of these now that they are no longer needed
//
g_object_unref(G_OBJECT(pixbuf));
png_destroy_write_struct(&m_pPNG, &m_pPNGInfo);
return UT_OK;
}
/** needed for the stejmp context */
UT_Error IE_ImpGraphic_GdkPixbuf::_png_write(GdkPixbuf * pixbuf)
{
if (setjmp(png_jmpbuf(m_pPNG)))
{
DELETEP(m_pPngBB);
png_destroy_write_struct(&m_pPNG, &m_pPNGInfo);
g_object_unref(G_OBJECT(pixbuf));
return UT_ERROR;
}
//
// Build the png member variables.
//
_createPNGFromPixbuf(pixbuf);
// cleanup
g_object_unref(G_OBJECT(pixbuf));
png_destroy_write_struct(&m_pPNG, &m_pPNGInfo);
return UT_OK;
}