#include "ltdoc2.h"
L_LTDOC2_API L_INT L_Doc2GetZoneColorExt(hDoc, nDocId, nPageIndex, nZoneIndex, pClr)
Gets the color of the specified zone on the specified page.
Handle to the OCR document. This handle is obtained by calling the L_Doc2StartUp function.
Document ID created by calling L_Doc2CreateDocument.
Zero-based index of the page.
Zero-based index of the zone.
Address of a variable to be updated with the color of the zone.
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
This function gets the zones colors, but only for those zones that the engine detects on the specified page. Use the zone index from the zones list that the engine detects.
To get the number of zones that the engine detected, call the L_Doc2GetZoneCount / L_Doc2GetZoneCountExt function.
Call the L_Doc2FindZones / L_Doc2FindZonesExt function to have the engine detect the zones on a specific page.
Required DLLs and Libraries
For an example, refer to L_Doc2SetZoneLayoutExt.