I want to use tesseract 3.05 to generate searchable PDF programmatically in
C++. Here is my code:
int main(int argc, const char * argv[]){
tesseract::TessBaseAPI *api = new tesseract::TessBaseAPI();
// Initialize tesseract-ocr with English, without specifying tessdata path
if (api->Init(NULL, "eng")) {
fprintf(stderr, "Could not initialize tesseract.\n");
exit(1);
}
Pix *image = pixRead("/Users/user1/pictures/page1.png");
tesseract::TessResultRenderer* renderer = new
tesseract::TessPDFRenderer("/Users/user1/Documents/",
"/usr/local/share/tessdata");
api->ProcessPage(image, 0, "/Users/user1/Documents/page1_pdf", NULL, 0,
renderer);
api->End();
pixDestroy(&image);
delete renderer;
return 0;}
The problem is everytime I get to api->ProcessPage() I keep getting
assertion error:
size_used_ > 0:Error:Assert failed:in file ../ccutil/genericvector.h, line
696
Can anyone help? What's wrong? Is there a better way to generate PDF output?
Thanks in advance
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