SkPerlinNoiseShaderImpl.cpp File Reference

#include "src/shaders/SkPerlinNoiseShaderImpl.h"
#include "include/core/SkColor.h"
#include "include/core/SkColorSpace.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkShader.h"
#include "include/effects/SkPerlinNoiseShader.h"
#include "src/base/SkArenaAlloc.h"
#include "src/core/SkEffectPriv.h"
#include "src/core/SkRasterPipeline.h"
#include "src/core/SkRasterPipelineOpContexts.h"
#include "src/core/SkRasterPipelineOpList.h"
#include "src/core/SkReadBuffer.h"
#include "src/core/SkWriteBuffer.h"
#include "src/shaders/SkPerlinNoiseShaderType.h"
#include <optional>

Go to the source code of this file.

Namespaces
namespace	SkShaders

Functions
static bool	valid_input (SkScalar baseX, SkScalar baseY, int numOctaves, const SkISize *tileSize, SkScalar seed)
void	SkRegisterPerlinNoiseShaderFlattenable ()
SK_API sk_sp< SkShader >	SkShaders::MakeFractalNoise (SkScalar baseFrequencyX, SkScalar baseFrequencyY, int numOctaves, SkScalar seed, const SkISize *tileSize=nullptr)
SK_API sk_sp< SkShader >	SkShaders::MakeTurbulence (SkScalar baseFrequencyX, SkScalar baseFrequencyY, int numOctaves, SkScalar seed, const SkISize *tileSize=nullptr)

Function Documentation

SkRegisterPerlinNoiseShaderFlattenable()

void SkRegisterPerlinNoiseShaderFlattenable

(

)

Definition at line 128 of file SkPerlinNoiseShaderImpl.cpp.

                                              {
    SK_REGISTER_FLATTENABLE(SkPerlinNoiseShader);
    // Previous name
    SkFlattenable::Register("SkPerlinNoiseShaderImpl", SkPerlinNoiseShader::CreateProc);
}

valid_input()

static bool valid_input ( SkScalar  baseX, SkScalar  baseY, int  numOctaves, const SkISize *  tileSize, SkScalar  seed  )

static

Definition at line 111 of file SkPerlinNoiseShaderImpl.cpp.

                                                                                                {
    if (!(baseX >= 0 && baseY >= 0)) {
        return false;
    }
    if (!(numOctaves >= 0 && numOctaves <= SkPerlinNoiseShader::kMaxOctaves)) {
        return false;
    }
    if (tileSize && !(tileSize->width() >= 0 && tileSize->height() >= 0)) {
        return false;
    }
    if (!SkIsFinite(seed)) {
        return false;
    }
    return true;
}