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LBitmap::Cylindrical

Summary

Warps the bitmap around a cylinder.

Syntax

#include "ltwrappr.h"

virtual L_INT LBitmap::Cylindrical (nValue, uType, uFlags = 0)

Parameters

L_INT nValue

Amount of stretching where:

Positive values: stretch the pixels toward the bitmap edges depending on the type of cylinder. Negative values: stretch the pixels toward the central line of the cylinder. The valid range is from -100 to 100.

L_UINT uType

A value that indicates the cylinder shape. Possible values are:

Value	Meaning
CYL_HORZ	[0x0000] Stretch the pixels along the vertical plane (horizontal cylinder).
CYL_VERT	[0x0001] Stretch the pixels along the horizontal plane (vertical cylinder).

L_UINT32 uFlags

Reserved for future use. Must be 0.

Returns

Value	Meaning
SUCCESS	The function was successful.
< 1	An error occurred. Refer to Return Codes.

Comments

If the bitmap has a region, the effect will be applied only to the region.

This function supports 12 and 16-bit grayscale and 48 and 64-bit color images. Support for 12 and 16-bit grayscale and 48 and 64-bit color images is available only in the Document/Medical toolkits.

This function does not support signed data images. It returns the error code ERROR_SIGNED_DATA_NOT_SUPPORTED if a signed data image is passed to this function.

This function does not support 32-bit grayscale images. It returns the error code ERROR_GRAY32_UNSUPPORTED if a 32-bit grayscale image is passed to this function.

Cylinder Function - Before

Cylinder Function - After

View additional platform support for this Cylinder function.

Required DLLs and Libraries

LTIMGSFX
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.

Example

L_INT LBitmap__CylindricalExample(LAnimationWindow * LAniWnd)  
{ 
    
 
   return LAniWnd->Cylindrical(80,CYL_VERT);  
 
}

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