LBitmap::FunctionalLight

#include "ltwrappr.h"

virtual L_INT LBitmap::FunctionalLight(pLightParams, uFlags = 0)

pLIGHTPARAMS pLightParams;

lighting parameters

L_UINT32 uFlags;

flags

Adds light to the bitmap according to a function-based distribution. This light will be generated by one of the following methods: linear, quadratic, sine, cosine, or using freehand points.

Parameter

Description

pLightParams

Pointer to the LPLIGHTPARAMS structure that contains information about the required light.

uFlags

Reserved for future use. Must be 0.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

Controls the brightness of the bitmap according to the method selected for generating the light.

This function supports all bits/pixel supported by LEADTOOLS.

Support for 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 LBase::EnableStatusCallback.

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 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

LTIMGSFX

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.

See Also

Functions:

LBitmap::BricksTexture, LBitmap::Canvas, LBitmap::Clouds, LBitmap::ColoredBalls, LBitmap::DiffuseGlow, LBitmap::DisplaceMap, LBitmap::Fragment, LBitmap::HalfTonePattern, LBitmap::MaskConvolution, LBitmap::MosaicTiles, LBitmap::Offset, LBitmap::Perspective, LBitmap::PlasmaFilter, LBitmap::Pointillist, LBitmap::RomanMosaic, LBitmap::Vignette, LBitmap::ZigZag, LBitmap::AddNoise, LBitmap::Emboss, LBitmap::Mosaic, LBitmap::MotionBlur, LBitmap::Oilify, LBitmap::Posterize, LBitmap::RemoveRedeye, LBitmap::Solarize, LBitmapBase::Underlay, LBitmap::BumpMap, LBitmap::Cubism, LBitmap::DrawStar, LBitmap::Dry, LBitmap::FreePlaneBend, LBitmap::FreeRadBend, LBitmap::GlassEffect, LBitmap::GlowFilter, LBitmap::LensFlare, LBitmap::Light, LBitmap::Ocean, LBitmap::PlaneBend, LBitmap::Plane, LBitmap::SampleTarget, LBitmap::Tunnel, LBitmap::Bending, LBitmap::Cylindrical, LBitmap::FreeHandShear, LBitmap::FreeHandWave, LBitmap::Impressionist, LBitmap::Pixelate, LBitmap::Polar, LBitmap::Punch, LBitmap::RadialBlur, LBitmap::RadWave, LBitmap::Ripple, LBitmap::Spherize, LBitmap::Swirl, LBitmap::Wave, LBitmap::Wind, LBitmap::ZoomBlur, LBitmap::ZoomWave, LBitmap::DiceEffect, LBitmap::RingEffect

Topics:

Raster Image Functions: Artistic Effects

 

Applying Artistic Effects

Example

L_INT LBitmap__FunctionalLightExample(LBitmap *pLeadBitmap)  
{ 
    
 
   /* This example generates a linear lighting effect with a center at (uXOrigin,uYOrigin). */ 
   LIGHTPARAMS  LightParams;  
 
   /* Initialize all needed members in the LIGHTPARAMS structure to achieve the linear lighting effect. */ 
 
   LightParams.uStructSize  = sizeof(LIGHTPARAMS);  
   LightParams. uRAmp  =  75;  
   LightParams. uFlags  =  FL_LINEAR_QUADRATIC | FL_LINEAR_OUTER;  
   LightParams. uXOrigin  =   (L_UINT)(pLeadBitmap->GetWidth ()/2);  
   LightParams. uYOrigin  =   (L_UINT)(pLeadBitmap->GetHeight()/2);  
 
   /* Apply the linear lighting effect */ 
   return pLeadBitmap->FunctionalLight (&LightParams);  
 
} 
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