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L_GlareDetection

Summary

Automatically detects the glare zone in an image.

Syntax

#include "Ltimgcor.h"

L_LTIMGCOR_API L_INT L_GlareDetection(pBitmap)

Parameters

pBITMAPHANDLE pBitmap

Pointer to the bitmap handle referencing the bitmap to be processed.

Returns

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

Comments

Automatically finds the glare zone in an image.

The result is applied to the image as a region.

This function supports 24- and 36-bit color images and 8-bit grayscale images.

Glare Detection Function - Before

Glare Detection Function - After

View additional platform support for this Glare Detection function.

Required DLLs and Libraries

LTIMGCOR
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, Linux.

Example

This example loads a bitmap and detects glare zone.

L_INT GlareDetectionExample(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("Glare.jpg")), &LeadBitmap, sizeof(BITMAPHANDLE), 0, ORDER_BGR, NULL, NULL); 
   if (nRet != SUCCESS) 
      return nRet; 
 
   /* Apply Glare detection filter */ 
   nRet = L_GlareDetection(&LeadBitmap); 
   if (nRet == SUCCESS) 
      nRet = L_SaveBitmap(MAKE_IMAGE_PATH(TEXT("Result.BMP")), &LeadBitmap, FILE_BMP, 24, 0, NULL); 
 
   //free bitmap 
   if (LeadBitmap.Flags.Allocated) 
      L_FreeBitmap(&LeadBitmap); 
 
   return nRet; 
}