L_TemperatureBitmap

#include "l_bitmap.h"

L_LTIMGCLR_API L_INT L_TemperatureBitmap(pBitmap, nFactor, uFlags)

pBITMAPHANDLE pBitmap;	pointer to the bitmap handle
L_INT nFactor;	Temperature value
L_UINT32 uFlags;	flags

Adds temprature to an image.

Parameter	Description
pBitmap	Pointer to the bitmap handle that references the bitmap on which to apply the effect.
nFactor	Value of temprature to be used, in the range of -100 and 100.
uFlags	Reserved for future use. Must be 0.

Returns

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

Comments

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

LTIMGCLR
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.

Example

#define MAKE_IMAGE_PATH(pFileName) TEXT("C:\\Users\\Public\\Documents\\LEADTOOLS Images\\")pFileName 
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 ; 
}

Help Version 19.0.2017.10.27

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LEADTOOLS Raster Imaging C API Help

Introduction

Version History

Getting Started

LEADTOOLS Raster Imaging Features

Redistributables/Files To Be Included With Your Application

Functions:	L_MosaicBitmap, L_PosterizeBitmap, L_RemoveRedeyeBitmap, L_GlassEffectBitmap
Topics:	Raster Image Functions: Filtering Images
	Raster Image Functions: Artistic Effects
	Applying Artistic Effects
	Raster Image Functions: Correcting Colors