#include <renderer.h>

Inheritance diagram for tesseract::TessAltoRenderer:

Public Member Functions
	TessAltoRenderer (const char *outputbase)

Public Member Functions inherited from tesseract::TessResultRenderer
virtual	~TessResultRenderer ()

void	insert (TessResultRenderer *next)

TessResultRenderer *	next ()

bool	BeginDocument (const char *title)

bool	AddImage (TessBaseAPI *api)

bool	EndDocument ()

const char *	file_extension () const

const char *	title () const

bool	happy ()

int	imagenum () const

Protected Member Functions
bool	BeginDocumentHandler () override

bool	AddImageHandler (TessBaseAPI *api) override

bool	EndDocumentHandler () override

Protected Member Functions inherited from tesseract::TessResultRenderer
	TessResultRenderer (const char outputbase, const char extension)

void	AppendString (const char *s)

void	AppendData (const char *s, int len)

Detailed Description

Renders tesseract output into an alto text string

Definition at line 183 of file renderer.h.

Constructor & Destructor Documentation

tesseract::TessAltoRenderer::TessAltoRenderer ( const char * outputbase )

explicit

Definition at line 110 of file altorenderer.cpp.

111 : TessResultRenderer(outputbase, "xml") {}

tesseract::TessResultRenderer::TessResultRenderer

TessResultRenderer(const char *outputbase, const char *extension)

Definition: renderer.cpp:33

Member Function Documentation

bool tesseract::TessAltoRenderer::AddImageHandler ( TessBaseAPI * api )

overrideprotectedvirtual

Append the ALTO XML for the layout of the image

Implements tesseract::TessResultRenderer.

Definition at line 92 of file altorenderer.cpp.

                                                        {
   const std::unique_ptr<const char[]> text(api->GetAltoText(imagenum()));
   if (text == nullptr) return false;
 
   AppendString(text.get());
 
   return true;
 }

bool tesseract::TessAltoRenderer::BeginDocumentHandler ( )

overrideprotectedvirtual

Append the ALTO XML for the beginning of the document

Reimplemented from tesseract::TessResultRenderer.

Definition at line 55 of file altorenderer.cpp.

                                             {
   AppendString(
       "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
       "<alto xmlns=\"http://www.loc.gov/standards/alto/ns-v3#\" "
       "xmlns:xlink=\"http://www.w3.org/1999/xlink\" "
       "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" "
       "xsi:schemaLocation=\"http://www.loc.gov/standards/alto/ns-v3# "
       "http://www.loc.gov/alto/v3/alto-3-0.xsd\">\n"
       "\t<Description>\n"
       "\t\t<MeasurementUnit>pixel</MeasurementUnit>\n"
       "\t\t<sourceImageInformation>\n"
       "\t\t\t<fileName>");
 
   AppendString(title());
 
   AppendString(
       "\t\t\t</fileName>\n"
       "\t\t</sourceImageInformation>\n"
       "\t\t<OCRProcessing ID=\"OCR_0\">\n"
       "\t\t\t<ocrProcessingStep>\n"
       "\t\t\t\t<processingSoftware>\n"
       "\t\t\t\t\t<softwareName>tesseract ");
   AppendString(TessBaseAPI::Version());
   AppendString(
       "</softwareName>\n"
       "\t\t\t\t</processingSoftware>\n"
       "\t\t\t</ocrProcessingStep>\n"
       "\t\t</OCRProcessing>\n"
       "\t</Description>\n"
       "\t<Layout>\n");
 
   return true;
 }

bool tesseract::TessAltoRenderer::EndDocumentHandler ( )

overrideprotectedvirtual

Append the ALTO XML for the end of the document

Reimplemented from tesseract::TessResultRenderer.

Definition at line 104 of file altorenderer.cpp.

                                           {
   AppendString("\t</Layout>\n</alto>\n");
 
   return true;
 }

The documentation for this class was generated from the following files:

src/api/renderer.h
src/api/altorenderer.cpp

Public Member Functions

Protected Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation