HPDF_LoadU3DFromFile (HPDF_Doc pdf,
const char *filename)
{
HPDF_Stream imagedata;
HPDF_Image image;
HPDF_PTRACE ((" HPDF_LoadU3DFromFile\n"));
if (!HPDF_HasDoc (pdf)) {
return NULL;
}
/* create file stream */
imagedata = HPDF_FileReader_New (pdf->mmgr, filename);
if (HPDF_Stream_Validate (imagedata)) {
image = HPDF_U3D_LoadU3D (pdf->mmgr, imagedata, pdf->xref);
} else {
image = NULL;
}
/* destroy file stream */
HPDF_Stream_Free (imagedata);
if (!image) {
HPDF_CheckError (&pdf->error);
}
return image;
}
HPDF_LoadU3DFromMem (HPDF_Doc pdf,
const HPDF_BYTE *buffer,
HPDF_UINT size)
{
HPDF_Stream imagedata;
HPDF_Image image;
HPDF_PTRACE ((" HPDF_LoadU3DFromMem\n"));
if (!HPDF_HasDoc (pdf)) {
return NULL;
}
/* create file stream */
imagedata = HPDF_MemStream_New (pdf->mmgr, size);
if (!HPDF_Stream_Validate (imagedata)) {
HPDF_RaiseError (&pdf->error, HPDF_INVALID_STREAM, 0);
return NULL;
}
if (HPDF_Stream_Write (imagedata, buffer, size) != HPDF_OK) {
HPDF_Stream_Free (imagedata);
return NULL;
}
if (HPDF_Stream_Validate (imagedata)) {
image = HPDF_U3D_LoadU3D (pdf->mmgr, imagedata, pdf->xref);
} else {
image = NULL;
}
/* destroy file stream */
HPDF_Stream_Free (imagedata);
if (!image) {
HPDF_CheckError (&pdf->error);
}
return image;
}