#include "l_bitmap.h"
L_LTIMGEFX_API L_INT L_DeinterlaceBitmap(pBitmap, uFlags)
pBITMAPHANDLE pBitmap; |
pointer to the bitmap handle |
L_UINT uFlags; |
flags |
Deinterlaces a video source image.
Parameter | Description | |
pBitmap | Pointer to the bitmap handle referencing the bitmap to be changed. | |
uFlags | Flags that indicate how to deinterlace the image and whether to remove odd lines or even lines. You can use a bit wise OR (|) to specify one flag from each group. | |
The following are the flags that indicate how to deinterlace the image: | ||
Value | Meaning | |
DEINTERLACE_NORMAL | [0x0001]Deinterlace the image by copying the data line into the removed lines. | |
DEINTERLACE_SMOOTH | [0x0002] Deinterlace the image by averaging the data lines and copying the averaged data into the removed lines. | |
The following are the flags that indicate whether to remove odd or even lines: | ||
Value | Meaning | |
DEINTERLACE_ODD | [0x0010] Remove the odd lines. | |
DEINTERLACE_EVEN | [0x0020] Remove the even lines. |
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
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 deinterlaces video source images by removing the black lines. It proceeds by merging lines in the image and/or blending them. Different options are available according to the value of uFlags.
This function does not work with regions.
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 in the Document and Medical Imaging 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 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
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, Linux.
The following loads a bitmap and applies the deinterlace function to it:
#define MAKE_IMAGE_PATH(pFileName) TEXT("C:\\Users\\Public\\Documents\\LEADTOOLS Images\\")pFileName
L_INT DeinterlaceBitmapExample(L_VOID)
{
L_INT nRet;
BITMAPHANDLE LeadBitmap; /* Bitmap handle to hold the loaded image. */
/* Load the bitmap, keeping the bits per pixel of the file */
nRet = L_LoadBitmap(MAKE_IMAGE_PATH(TEXT("interlaced_footage.jpg")), &LeadBitmap, sizeof(BITMAPHANDLE), 0, ORDER_BGR, NULL, NULL);
if(nRet !=SUCCESS)
return nRet;
/* remove odd lines smoothly */
nRet = L_DeinterlaceBitmap(&LeadBitmap, DEINTERLACE_SMOOTH | DEINTERLACE_ODD);
if(nRet !=SUCCESS)
return nRet;
nRet = L_SaveBitmap(MAKE_IMAGE_PATH(TEXT("Result.BMP")), &LeadBitmap, FILE_BMP, 24, 0, NULL);
if(nRet !=SUCCESS)
return nRet;
//free bitmap
if(LeadBitmap.Flags.Allocated)
L_FreeBitmap(&LeadBitmap);
return SUCCESS;
}
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