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LEADTOOLS Raster Imaging C DLL Help

L_AnnGetOffsetY

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#include "l_bitmap.h"

L_LTANN_API L_INT L_AnnGetOffsetY(hObject, pdOffsetY)

HANNOBJECT hObject;

/* handle to the annotation object */

L_DOUBLE *pdOffsetY;

/* address of the variable to be updated */

Gets the Y offset of the annotation object. Typically, this value is used to match the root container's offset to the offset of the associated bitmap's display rectangle.

Parameter

Description

hObject

Handle to the annotation object.

pdOffsetY

Address of the variable to be updated with the specified object's Y offset.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

The offset values are applied after the scalar properties, which are set by the L_AnnSetScalarX and L_AnnSetScalarY functions. For more information, refer to Low-Level Coordinate System for Annotations.

Before calling this function, you must declare a variable of data type L_DOUBLE. Then, pass the address of the variable in the pdOffsetY parameter. This function will update the variable with the value of the specified object's Y offset.

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_AnnSetScalarX, L_AnnSetScalarY, L_AnnGetScalarX, L_AnnGetScalarY, L_AnnSetOffsetX, L_AnnSetOffsetY, L_AnnGetOffsetX, L_AnnGetFixed, L_AnnSetFixed, L_AnnPushFixedState, L_AnnPopFixedState, L_AnnIsFixedInRect

Topics:

Annotation Functions: Getting and Setting Geometric Properties

 

Low-Level Coordinate System for Annotations

 

Implementing an Automated Annotation Program

 

Implementing a Non-automated Annotation Program

 

Fixed Annotations

 

Minimizing Flicker with Double Buffering

 

Obtaining Annotation Object Information

Example

For an example, refer to L_AnnSetOffsetX.

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