L_RadialBlurBitmap
#include "l_bitmap.h"
L_INT EXT_FUNCTION L_RadialBlurBitmap (pBitmap, uDim, uStress, CenterPt)
pBITMAPHANDLE pBitmap; |
/* pointer to the bitmap handle */ |
L_UINT uDim; |
/* effect size */ |
L_UINT uStress; |
/* effect intensity */ |
POINT CenterPt; |
/* effect center */ |
Blurs the image by rotating the pixels around the specified center point. This function is available in the Raster Pro and above toolkits.
Parameter |
Description |
pBitmap |
Pointer to the bitmap handle that references the bitmap on which to apply the effect. |
uDim |
An integer that represents the size of the neighborhood used in blurring. Increasing this value will increase the amount of blurring. Valid values are range in between 1 and 100. |
uStress |
An integer that represents the amount of the blur intensity. Valid values are range in between 1 and 100. |
CenterPt |
POINT structure that contains the point around which the pixels are rotated. |
Returns
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Comments
The function will blur the image in a radial form 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. Supportfor 12 and 16-bit grayscale and 48 and 64-bit color images is available only in the Document/Medical toolkits.
To update a status bar or detect a user interrupt during execution of this function, refer to L_SetStatusCallback.
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.
Required DLLs and Libraries
LTIMG 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
Windows 95 / 98 / Me, Windows 2000 / XP.
See Also
Example
BITMAPHANDLE LeadBitmap; /* Bitmap handle for the image */
POINT CenterPt;
/* Load a bitmap at its own bits per pixel */
L_LoadBitmap(TEXT("IMAGE3.CMP"), &LeadBitmap, sizeof(BITMAPHANDLE), 0, ORDER_BGR, NULL, NULL);
/* Radial blur*/
CenterPt.x = LeadBitmap.Width/2;
CenterPt.y = LeadBitmap. Height/2;
L_RadialBlurBitmap (&LeadBitmap, 50, 10, CenterPt);