public void TestGetDocumentMetaInfo_on_doc1()
{
string pdf_filename = MiscTestHelpers.GetNormalizedPathToAnyTestDataTestFile(@"fixtures/1.Doc-Many.Metadata.Formats/0001-LDA-paper/2004.04.PNAS.ef997ae1b01762b57b75d8c22fb8cec87406.pdf");
ASSERT.FileExists(pdf_filename);
PDFDocumentMuPDFMetaInfo info = MuPDFRenderer.GetDocumentMetaInfo(pdf_filename, null, ProcessPriorityClass.Normal);
ASSERT.AreEqual <int>(8, info.PageCount);
ASSERT.AreEqual <bool>(false, info.DocumentIsCorrupted);
ASSERT.IsLessOrEqual(10000, info.raw_multipurp_text.Length);
TestJSONoutputIsCorrectForPDFdoc1(info.raw_decoded_json);
object json_doc = JsonConvert.DeserializeObject(info.raw_multipurp_text);
string json_text = JsonConvert.SerializeObject(json_doc, Formatting.Indented).Replace("\r\n", "\n");
// Perform comparison via ApprovalTests->BeyondCompare (that's what I use for *decades* now)
//ApprovalTests.Approvals.VerifyJson(json_out); --> becomes the code below:
ApprovalTests.Approvals.Verify(
new QiqqaApprover(json_text, pdf_filename),
ApprovalTests.Approvals.GetReporter()
);
info.ClearRawContent();
ASSERT.IsNull(info.raw_multipurp_text);
ASSERT.IsNull(info.raw_decoded_json);
}
public static Dictionary <int, WordList> DoOCR(string pdf_filename, string page_numbers, string pdf_user_password)
{
List <MuPDFRenderer.TextChunk> text_chunks = MuPDFRenderer.GetEmbeddedText(pdf_filename, page_numbers, pdf_user_password, ProcessPriorityClass.BelowNormal);
Dictionary <int, WordList> word_lists = ConvertToWordList(text_chunks);
return(word_lists);
}
public void Test_PDF_metadata_extraction_via_multipurp_chunk0070_qpdf(string filepath)
{
string pdf_filename = MiscTestHelpers.GetNormalizedPathToAnyTestDataTestFile($"fixtures/PDF/{ filepath.Replace("./", "") }");
ASSERT.FileExists(pdf_filename);
PDFDocumentMuPDFMetaInfo info = MuPDFRenderer.GetDocumentMetaInfo(pdf_filename, null, ProcessPriorityClass.Normal);
string json_text = ProduceJSONtext4Comparison(info);
// Perform comparison via ApprovalTests->BeyondCompare (that's what I use for *decades* now)
//ApprovalTests.Approvals.VerifyJson(json_out); --> becomes the code below:
ApprovalTests.Approvals.Verify(
new QiqqaApprover(json_text, pdf_filename),
ApprovalTests.Approvals.GetReporter()
);
}
private static byte[] GetPageByDPIAsImage_LOCK(string filename, string pdf_user_password, int page, int dpi, int height, int width)
{
WPFDoEvents.AssertThisCodeIs_NOT_RunningInTheUIThread();
try
{
// sample command (PNG written to stdout for page #2, width and height are limiting/reducing, dpi-resolution is driving):
//
// mudraw -q -o - -F png -r 600 -w 1920 -h 1280 G:\Qiqqa\evil\Guest\documents\1\1A9760F3917A107AC46E6E292B9C839364F09E73.pdf 2
var img = MuPDFRenderer.RenderPDFPageAsByteArray(filename, page, dpi, height, width, pdf_user_password, ProcessPriorityClass.BelowNormal);
return(img);
}
catch (Exception ex)
{
throw new GenericException(ex, $"PDF Render: Error while rasterising page {page} at {dpi}dpi / {height}x{width} pixels of '{filename}'");
}
}
public static int CountPDFPages(string filename, string password)
{
WPFDoEvents.AssertThisCodeIs_NOT_RunningInTheUIThread();
try
{
Logging.Debug("+CountPDFPages_MuPDF: {0}", filename);
var metadata = MuPDFRenderer.GetDocumentMetaInfo(filename, password, ProcessPriorityClass.Normal);
int page_count = metadata?.PageCount ?? (metadata.DocumentIsCorrupted ? -3 : -1);
Logging.Debug("-CountPDFPages_MuPDF '{1}' -> ({0} pages)", page_count, filename);
return(page_count);
}
catch (Exception ex)
{
Logging.Warn(ex, "Error while counting pages in CountPDFPages_MuPDF for file: {0}", filename);
return(-1);
}
}
void ObjButtonGO_Click(object sender, RoutedEventArgs e)
{
int pdf_number = Convert.ToInt32(ObjTextDoc.Text);
int page_number = Convert.ToInt32(ObjTextPage.Text);
string pdf_filename = String.Format(@"C:\temp\{0}.pdf", pdf_number);
Logging.Info("+Rendering page");
MemoryStream ms = MuPDFRenderer.RenderPDFPage(pdf_filename, page_number, 200, null, ProcessPriorityClass.Normal);
BitmapSource bitmap_image = BitmapImageTools.LoadFromBytes(ms.ToArray());
Bitmap bitmap = new Bitmap(ms);
Logging.Info("-Rendering page");
this.Image = bitmap_image;
Logging.Info("+Finding regions");
this.region_locator = new PDFRegionLocator(bitmap);
Logging.Info("-Finding regions");
Recalc();
}
