I've included
tesseract in Concept Framework. It's a really nice OCR library and I'm impressed by the quality of the character recognition. I've tried to keep the APIs really simple: just 2 functions, one for debugging and one for the actual OCR.
Prototype looks like this:
number OCR(szImage_filename, refOutText, szLanguage="eng", szDataPath="", szConfigFile="");
It returns OCR_E_CANT_OPEN or OCR_E_CANT_READ if error, or 0 otherwise.
A basic example:
import standard.lib.ocrclass Main {
function Main() {
// if debug file is not set, nul or /dev/null is assumed //OCRDebugFile(""); if (!
OCR("cap.bmp", var data))
echo data;
}
}
I hope is as straight forward as it can be.
This morning I've realized that although the framework has many PDF writing APIs (like libharu and PDFLib), it has no PDF reading APIs. So, I've integrated poppler (already used by de Concept Client). Now you can convert PDFs to images or extract text.
The APIs are pretty basic:
import standard.lib.popplerimport standard.C.io
class Main {
function Main() {
var pdf=PDFLoadBuffer(ReadFile("test.pdf"), "", var err); if (
pdf) {
var pages=
PDFPageCount(pdf);
echo "Document has $pages pages\n";
for (
var i=0;i<pages;i++) {
echo "Page ${i+1}:\n";
echo "==============";
// extract the text echo PDFPageText(pdf, i);
// extract page as an image echo PDFPageImage(pdf, i,
"page_$i.png");
echo "==============";
}
// Don't forget to close ! PDFClose(pdf); }
}
}
(sorry for the indentation, blogspot didn't handle it very well)
Combo edit box with progress bar on background for pagination (progress bar shows current page/total pages fraction)
Now you can "open", "paste" or "capture from webcam".
It's really simple and you can ease off the database server. As a cool feature, it supports multiple servers, allowing the developer to dynamically add caching servers.
Now you can generate data-driven applications from scratch for these servers using GyroGears and a set of rules.
New visual markers (icons) based on row rules:
I've wrapped these days a driver for PostgreSQL database. I must say that I'm more that impressed by the APIs that are at least clean and straight forward. I will gradually port all my applications from MySQL/InnoDB to PostgreSQL. I'm sure that PostgreSQL will have a really nice future. I was impressed by the way that Postgre handles blobs - you work with them as if they were files.
