Beatmup::Filters::Sepia Class Reference

Sepia filter. More...

#include <sepia.h>

Inheritance diagram for Beatmup::Filters::Sepia:

Protected Member Functions
virtual void	apply (int x, int y, msize nPix, TaskThread &thread)
	Applies filtering to given pixel data. More...
virtual std::string	getGlslSourceCode () const
	Provides GLSL source code of the filter. More...
Protected Member Functions inherited from Beatmup::Filters::PixelwiseFilter
virtual std::string	getGlslDeclarations () const
	Provides GLSL declarations used in the GLSL code. More...
virtual void	setup (bool useGpu)
	A callback run every time before the filter is applied to the image. More...
virtual bool	process (TaskThread &thread) final
	Executes the task on CPU within a given thread. More...
virtual bool	processOnGPU (GraphicPipeline &gpu, TaskThread &thread) final
	Executes the task on GPU. More...
virtual void	beforeProcessing (ThreadIndex threadCount, ProcessingTarget target, GraphicPipeline *gpu)
	Instruction called before the task is executed. More...
virtual void	afterProcessing (ThreadIndex threadCount, GraphicPipeline *gpu, bool aborted)
	Instruction called after the task is executed. More...
virtual TaskDeviceRequirement	getUsedDevices () const final
	Communicates devices (CPU and/or GPU) the task is run on. More...
	PixelwiseFilter ()

Additional Inherited Members
Public Types inherited from Beatmup::AbstractTask
enum class	TaskDeviceRequirement { CPU_ONLY , GPU_OR_CPU , GPU_ONLY }
	Specifies which device (CPU and/or GPU) is used to run the task. More...
Public Member Functions inherited from Beatmup::Filters::PixelwiseFilter
virtual	~PixelwiseFilter ()
virtual void	setInput (AbstractBitmap *input)
virtual void	setOutput (AbstractBitmap *output)
AbstractBitmap *	getInput ()
AbstractBitmap *	getOutput ()
ThreadIndex	getMaxThreads () const
	Gives the upper limint on the number of threads the task may be performed by. More...
Public Member Functions inherited from Beatmup::Object
virtual	~Object ()
Static Public Member Functions inherited from Beatmup::AbstractTask
static ThreadIndex	validThreadCount (int number)
	Valid thread count from a given integer value. More...
Protected Attributes inherited from Beatmup::Filters::PixelwiseFilter
AbstractBitmap *	inputBitmap
AbstractBitmap *	outputBitmap
ImageShader *	shader
Static Protected Attributes inherited from Beatmup::Filters::PixelwiseFilter
static const std::string	GLSL_RGBA_INPUT

Detailed Description

Sepia filter.

An example of PixelwiseFilter implementation.

Definition at line 29 of file sepia.h.

Member Function Documentation

apply()

void Filters::Sepia::apply ( int  x, int  y, msize  nPix, TaskThread &  thread  )

protectedvirtual

Applies filtering to given pixel data.

Parameters

x	Horizontal position of the first pixel in image
y	Vertical position of the first pixel in image
nPix	Number of pixels to process
thread	Calling thread descriptor

Implements Beatmup::Filters::PixelwiseFilter.

Definition at line 56 of file sepia.cpp.

                                                                     {
    BitmapProcessing::pipeline<Kernels::ApplySepia>(*inputBitmap, *outputBitmap, x, y, nPix);
}

getGlslSourceCode()

std::string Filters::Sepia::getGlslSourceCode ( ) const

protectedvirtual

Provides GLSL source code of the filter.

Implements Beatmup::Filters::PixelwiseFilter.

Definition at line 61 of file sepia.cpp.

                                                { 
    return
        "gl_FragColor = vec4(dot(vec3(100.0/255.0, 196.0/255.0, 48.0/255.0), "  + GLSL_RGBA_INPUT + ".rgb)," +
                            "dot(vec3( 89.0/255.0, 175.0/255.0, 43.0/255.0), "  + GLSL_RGBA_INPUT + ".rgb)," +
                            "dot(vec3( 69.0/255.0, 138.0/255.0, 33.0/255.0), "  + GLSL_RGBA_INPUT + ".rgb)," +
                            GLSL_RGBA_INPUT + ".a);";
}

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The documentation for this class was generated from the following files:

• core/filters/sepia.h
• core/filters/sepia.cpp