OCR

[Gintaras]

That error is generated when the OCR engine fails to recognize text. It fails if there is no text, or only single character. In some places it fails with no obvious reason. For example, fails to recognize www button text in this web page, whereas recognizes text of other similar buttons.

To test, I used this macro.

Code:

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;This macro OCRs text by the mouse pointer.

out
str s

;1. Capture screen area by the mouse pointer and save to a temporary image file.

POINT p; xm p; p.x-4; p.y-8 ;;get mouse pointer position and make some correction
int wid(300) hei(30) ;;width and height of the screen area
str img="$desktop$\qm ocr temp.bmp" ;;temporary image file

CaptureRect p.x p.y wid hei img ;;capture and save

;2. Use MS Office Imaging to convert the image file to text.

typelib MODI {A5EDEDF4-2BBC-45F3-822B-E60C278A1A79} 11.0

MODI.Document doc._create
doc.Create(img.expandpath) ;;load the file

doc.OCR(MODI.miLANG_ENGLISH -1 0); err s="FAILED"; goto g1 ;;convert to text

MODI.Image im=doc.Images.Item(0) ;;first page
s=im.Layout.Text

;3. Show results.

;g1
RECT r; r.left=p.x; r.top=p.y; r.right=r.left+wid; r.bottom=r.top+hei
OnScreenRect 1 &r
OnScreenDisplay s 0 0 0 0 0 0xff 2
OnScreenRect 2 &r

CaptureRect is here

It works everytime by keyboard trigger but not by menu item call of the macro. Strange. Does that help anyone figure this out?

Maybe because the menu is still fading out at that time. Wait 0.5 s.