private static bool LoadImage(string fileName)
{
int res = TNSOCR.Img_LoadFile(ImgObj, fileName);
if (res > TNSOCR.ERROR_FIRST)
{
ShowError("Img_LoadFile", res);
return(false);
}
int w0, h0, w, h;
//native size
TNSOCR.Img_GetSize(ImgObj, out w0, out h0);
//now apply image scaling, binarize image, deskew etc,
//everything except zoning and OCR
res = TNSOCR.Img_OCR(ImgObj, TNSOCR.OCRSTEP_FIRST, TNSOCR.OCRSTEP_ZONING - 1, 0);
if (res > TNSOCR.ERROR_FIRST)
{
ShowError("Img_OCR", res);
return(false);
}
//final size after pre-processing
TNSOCR.Img_GetSize(ImgObj, out w, out h);
/*res = TNSOCR.Img_GetSkewAngle(ImgObj);
* if (res > TNSOCR.ERROR_FIRST)
* {
* ShowError("Img_GetSkewAngle", res);
* //lbSkew.Text = "";
* }
* else
* {
* //lbSkew.Text = "Skew angle (degrees): " + (res / 1000.0);
* }
*
* //pixel lines info
* res = TNSOCR.Img_GetPixLineCnt(ImgObj);
* if (res > TNSOCR.ERROR_FIRST)
* {
* ShowError("Img_GetPixLineCnt", res);
* return false;
* }
* //lbLines.Text = "Lines: " + res.ToString();
*
* //edPage.Text = "1";
* //lbPages.Text = "of " + TNSOCR.Img_GetPageCount(ImgObj).ToString();
*/
Frame = new Rectangle(0, 0, w, h);
return(true);
}