LEADTOOLS Raster Imaging C++ Class Library Help > Classes and Member Functions > LBitmap > LBitmap Member Functions > LBitmap::Cylindrical |
#include "ltwrappr.h"
virtual L_INT LBitmap::Cylindrical (nValue, uType, uFlags = 0)
L_INT nValue; |
/* stretch amount */ |
L_UINT uType; |
/* cylinder type */ |
L_UINT32 uFlags; |
/* flags */ |
Warps the bitmap around a cylinder.
Parameter |
Description |
|
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. |
|
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). |
uFlags |
Reserved for future use. Must be 0. |
Returns
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.
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. |
Win32, x64.
See Also
Example
L_INT LBitmap__CylindricalExample(LAnimationWindow * LAniWnd) { return LAniWnd->Cylindrical(80,CYL_VERT); }