diff --git a/api/renderer.cpp b/api/renderer.cpp
index 5050a232a1..2aaa36992f 100644
--- a/api/renderer.cpp
+++ b/api/renderer.cpp
@@ -179,6 +179,61 @@ bool TessHOcrRenderer::AddImageHandler(TessBaseAPI* api) {
return true;
}
+/**********************************************************************
+ * HOcr Text Renderer interface implementation
+ **********************************************************************/
+TessHOcrTsvRenderer::TessHOcrTsvRenderer(const char *outputbase)
+ : TessResultRenderer(outputbase, "hocr.tsv") {
+ font_info_ = false;
+}
+
+TessHOcrTsvRenderer::TessHOcrTsvRenderer(const char *outputbase, bool font_info)
+ : TessResultRenderer(outputbase, "hocr.tsv") {
+ font_info_ = font_info;
+}
+
+bool TessHOcrTsvRenderer::BeginDocumentHandler() {
+ AppendString(
+ "\n"
+ "\n"
+ "\n \n \n");
+ AppendString(title());
+ AppendString(
+ "\n"
+ "\n"
+ " \n"
+ " \n"
+ "\n\n");
+
+ return true;
+}
+
+bool TessHOcrTsvRenderer::EndDocumentHandler() {
+ AppendString(" \n\n");
+
+ return true;
+}
+
+bool TessHOcrTsvRenderer::AddImageHandler(TessBaseAPI* api) {
+ char* hocr = api->GetHOCRText(imagenum());
+ if (hocr == NULL) return false;
+
+ AppendString(hocr);
+ delete[] hocr;
+
+ return true;
+}
+
/**********************************************************************
* UNLV Text Renderer interface implementation
**********************************************************************/
diff --git a/api/renderer.h b/api/renderer.h
index 4120f74eb3..0713f78e9a 100644
--- a/api/renderer.h
+++ b/api/renderer.h
@@ -162,6 +162,23 @@ class TESS_API TessHOcrRenderer : public TessResultRenderer {
bool font_info_; // whether to print font information
};
+/**
+ * Renders tesseract output into an hocr tsv string
+ */
+class TESS_API TessHOcrTsvRenderer : public TessResultRenderer {
+ public:
+ explicit TessHOcrTsvRenderer(const char *outputbase, bool font_info);
+ explicit TessHOcrTsvRenderer(const char *outputbase);
+
+protected:
+ virtual bool BeginDocumentHandler();
+ virtual bool AddImageHandler(TessBaseAPI* api);
+ virtual bool EndDocumentHandler();
+
+private:
+ bool font_info_; // whether to print font information
+};
+
/**
* Renders tesseract output into searchable PDF
*/