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LEADTOOLS Raster Imaging C DLL Help

L_AnnGetPointCount

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#include "l_bitmap.h"

L_LTANN_API L_INT L_AnnGetPointCount(hObject, puCount)

HANNOBJECT hObject;

/* handle to the annotation object */

L_UINT *puCount;

/* address of the variable to be updated */

Gets the number of vertices (corner points) in an object.

Parameter

Description

hObject

Handle to the annotation object.

puCount

Address of the variable to be updated with the number of vertices.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

Before calling this function, you must declare a variable of data type L_UINT. Then, pass the address of the variable in the puCount parameter. This function will update the variable with the number of vertices.

L_AnnGetPointCount works only with the following types of objects:

ANNOBJECT_POINTER
ANNOBJECT_FREEHAND
ANNOBJECT_LINE
ANNOBJECT_POLYGON
ANNOBJECT_POLYLINE
ANNOBJECT_TEXTPOINTER

For an ANNOBJECT_TEXTPOINTER object, puCount is updated with the value 5.

Required DLLs and Libraries

LTANN

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64.

See Also

Functions:

L_AnnBringToFront, L_AnnSendToBack, L_AnnGetRect, L_AnnSetRect, L_AnnSetPoints, L_AnnGetBoundingRect, L_AnnGetPoints

Topics:

Annotation Functions: Getting and Setting Geometric Properties

 

Annotation Functions: Using Window Coordinates to Define an Object

 

Implementing an Automated Annotation Program

 

Implementing a Non-Automated Annotation Program

 

Obtaining Annotation Object Information

Example

For an example, refer to L_AnnGetPoints .

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