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