"); AppendString(title()); AppendString( "

// Include automatically generated configuration file if running autoconf. #ifdef HAVE_CONFIG_H #include "config_auto.h" #endif #include #include "baseapi.h" #include "genericvector.h" #include "renderer.h" namespace tesseract { /********************************************************************** * Base Renderer interface implementation **********************************************************************/ TessResultRenderer::TessResultRenderer(const char *outputbase, const char* extension) : file_extension_(extension), title_(""), imagenum_(-1), fout_(stdout), next_(NULL), happy_(true) { if (strcmp(outputbase, "-") && strcmp(outputbase, "stdout")) { STRING outfile = STRING(outputbase) + STRING(".") + STRING(file_extension_); fout_ = fopen(outfile.string(), "wb"); if (fout_ == NULL) { happy_ = false; } } } TessResultRenderer::~TessResultRenderer() { if (fout_ != stdout) fclose(fout_); else clearerr(fout_); delete next_; } void TessResultRenderer::insert(TessResultRenderer* next) { if (next == NULL) return; TessResultRenderer* remainder = next_; next_ = next; if (remainder) { while (next->next_ != NULL) { next = next->next_; } next->next_ = remainder; } } bool TessResultRenderer::BeginDocument(const char* title) { if (!happy_) return false; title_ = title; imagenum_ = -1; bool ok = BeginDocumentHandler(); if (next_) { ok = next_->BeginDocument(title) && ok; } return ok; } bool TessResultRenderer::AddImage(TessBaseAPI* api) { if (!happy_) return false; ++imagenum_; bool ok = AddImageHandler(api); if (next_) { ok = next_->AddImage(api) && ok; } return ok; } bool TessResultRenderer::EndDocument() { if (!happy_) return false; bool ok = EndDocumentHandler(); if (next_) { ok = next_->EndDocument() && ok; } return ok; } void TessResultRenderer::AppendString(const char* s) { AppendData(s, strlen(s)); } void TessResultRenderer::AppendData(const char* s, int len) { int n = fwrite(s, 1, len, fout_); if (n != len) happy_ = false; } bool TessResultRenderer::BeginDocumentHandler() { return happy_; } bool TessResultRenderer::EndDocumentHandler() { return happy_; } /********************************************************************** * UTF8 Text Renderer interface implementation **********************************************************************/ TessTextRenderer::TessTextRenderer(const char *outputbase) : TessResultRenderer(outputbase, "txt") { } bool TessTextRenderer::AddImageHandler(TessBaseAPI* api) { char* utf8 = api->GetUTF8Text(); if (utf8 == NULL) { return false; } AppendString(utf8); delete[] utf8; bool pageBreak = false; api->GetBoolVariable("include_page_breaks", &pageBreak); const char* pageSeparator = api->GetStringVariable("page_separator"); if (pageBreak) { AppendString(pageSeparator); } return true; } /********************************************************************** * HOcr Text Renderer interface implementation **********************************************************************/ TessHOcrRenderer::TessHOcrRenderer(const char *outputbase) : TessResultRenderer(outputbase, "hocr") { font_info_ = false; } TessHOcrRenderer::TessHOcrRenderer(const char *outputbase, bool font_info) : TessResultRenderer(outputbase, "hocr") { font_info_ = font_info; } bool TessHOcrRenderer::BeginDocumentHandler() { AppendString( "\n" "\n" "\n \n "); AppendString(title()); AppendString( "\n" "\n" " \n" " \n" "\n\n"); return true; } bool TessHOcrRenderer::EndDocumentHandler() { AppendString(" \n\n"); return true; } bool TessHOcrRenderer::AddImageHandler(TessBaseAPI* api) { char* hocr = api->GetHOCRText(imagenum()); if (hocr == NULL) return false; AppendString(hocr); delete[] hocr; return true; } /********************************************************************** * UNLV Text Renderer interface implementation **********************************************************************/ TessUnlvRenderer::TessUnlvRenderer(const char *outputbase) : TessResultRenderer(outputbase, "unlv") { } bool TessUnlvRenderer::AddImageHandler(TessBaseAPI* api) { char* unlv = api->GetUNLVText(); if (unlv == NULL) return false; AppendString(unlv); delete[] unlv; return true; } /********************************************************************** * BoxText Renderer interface implementation **********************************************************************/ TessBoxTextRenderer::TessBoxTextRenderer(const char *outputbase) : TessResultRenderer(outputbase, "box") { } bool TessBoxTextRenderer::AddImageHandler(TessBaseAPI* api) { char* text = api->GetBoxText(imagenum()); if (text == NULL) return false; AppendString(text); delete[] text; return true; } } // namespace tesseract