#include "ltwrappr.h"
virtual L_INT LBitmap::Swirl(nRotationAngle, CenterPt, uFlags = 0)
L_INT nRotationAngle; |
degree of rotation |
POINT CenterPt; |
effect center |
L_UINT32 uFlags; |
flags |
Spins the image according to the rotation angle to produce a swirl pattern.
Parameter |
Description |
nRotationAngle |
The degree of rotation. This value is in degrees (0360720, etc.). |
CenterPt |
POINT structure that contains the center of the swirl. |
uFlags |
Reserved for future use. Must be 0. |
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
The function swirls the image around the specified CenterPt. The center point must be defined inside the bitmap, or inside the region, if the bitmap has a region.
If the bitmap has a region, the effect will be applied on the region only.
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.
L_INT LBitmap__SwirlExample(LAnimationWindow * LAniWnd)
{
POINT CenterPt;
CenterPt.x = (LAniWnd->GetHandle ())->Width/2;
CenterPt.y = (LAniWnd->GetHandle ())->Height/2;
return LAniWnd->Swirl(180, CenterPt);
}
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
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Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document
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