#include "l_bitmap.h"
L_LTIMGCLR_API L_INT L_TemperatureBitmap(pBitmap, nFactor, uFlags)
Adds temprature to an image.
Pointer to the bitmap handle that references the bitmap on which to apply the effect.
Value of temprature to be used, in the range of -100 and 100.
Reserved for future use. Must be 0.
Value | Meaning |
---|---|
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.
Required DLLs and Libraries
Win32, x64.
This example loads a bitmap and applies temperature bitmap filter.
L_INT TemperatureBitmapExample(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("cannon.jpg")), &LeadBitmap, sizeof(BITMAPHANDLE), 0, ORDER_BGR, NULL, NULL);
if(nRet != SUCCESS)
return nRet ;
/* Apply temperature bitmap filter */
nRet = L_TemperatureBitmap(&LeadBitmap, 100, 0) ;
if(nRet !=SUCCESS)
{
//free bitmap
if(LeadBitmap.Flags.Allocated)
L_FreeBitmap(&LeadBitmap);
return nRet ;
}
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 ;
}
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