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LEADTOOLS Raster Imaging C DLL Help

L_AnnGetTextAlign

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#include "l_bitmap.h"

L_LTANN_API L_INT L_AnnGetTextAlign(hObject, puTextAlign)

HANNOBJECT hObject;

/* handle to the annotation object */

L_UINT *puTextAlign;

/* address of a variable to be updated with the object's text alignment */

Gets the text alignment of an annotation.

Parameter

Description

hObject

Handle to the annotation object.

puTextAlign

Address of the variable to be updated with the object's text alignment. Possible values are:

 

Value

Meaning

 

TEXTALIGN_LEFT

[1] Align text to left.

 

TEXTALIGN_CENTER

[2] Center the text.

 

TEXTALIGN_RIGHT

[3] Align text to the right.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

This function gets the text alignment of certain annotation objects that display text.

The function is valid only for the following annotation objects:

ANNOBJECT_AUTOMATION

ANNOBJECT_NOTE

ANNOBJECT_TEXT

ANNOBJECT_TEXTPOINTER

Calling this function on an object other than those listed above will return ERROR_FEATURE_NOT_SUPPORTED.

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_AnnGetTextExpandTokens, L_AnnGetTextFixedSize, L_AnnSetTextFixedSize

Topics:

Annotation Functions: Object Properties

 

Annotation Objects - Default Values

 

Annotation Objects - Automated Features

 

Implementing an Automated Annotation Program

 

Implementing a Non-automated Annotation Program

 

Obtaining Annotation Object Information

Example

Sample for L_AnnSetTextAlign, L_AnnGetTextAlign. This example changes the text alignment of a text, note, or text pointer annotation object.

 L_INT AnnGetTextAlignExample(HANNOBJECT hObject)
{
   L_INT    nRet;
   L_UINT   uTextAlign;
   L_TCHAR  szMsg[100];
   L_UINT   uType;

   nRet = L_AnnGetTextAlign(hObject, &uTextAlign);
   if(nRet != SUCCESS)
      return nRet;
   switch(uTextAlign)
   {
   case TEXTALIGN_LEFT:
      uTextAlign = TEXTALIGN_CENTER;
      break;

   case TEXTALIGN_CENTER:
      uTextAlign = TEXTALIGN_RIGHT;
      break;

   case TEXTALIGN_RIGHT:
      uTextAlign = TEXTALIGN_LEFT;
      break;

   }
   nRet= L_AnnSetTextAlign(hObject, uTextAlign, 0);
   if (nRet != SUCCESS)
   {
      L_AnnGetType(hObject, &uType);
      wsprintf(szMsg, TEXT("L_AnnSetTextAlign Error: %d on object type[%d]\n"), nRet, uType);
      MessageBox(NULL, szMsg, TEXT("Error"), MB_OK);
      return nRet;
   }
   return SUCCESS;
}
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