SkImageFilter_Base.h | Explore in Territory

/*
 * Copyright 2019 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef SkImageFilter_Base_DEFINED
#define SkImageFilter_Base_DEFINED

#include "include/core/SkColorSpace.h"
#include "include/core/SkImageFilter.h"
#include "include/core/SkImageInfo.h"
#include "include/private/base/SkTArray.h"
#include "include/private/base/SkTemplates.h"

#include "src/core/SkImageFilterTypes.h"

#include <optional>

// True base class that all SkImageFilter implementations need to extend from. This provides the
// actual API surface that Skia will use to compute the filtered images.
class SkImageFilter_Base : public SkImageFilter { … };

static inline SkImageFilter_Base* as_IFB(SkImageFilter* filter) { … }

static inline SkImageFilter_Base* as_IFB(const sk_sp<SkImageFilter>& filter) { … }

static inline const SkImageFilter_Base* as_IFB(const SkImageFilter* filter) { … }

/**
 *  Helper to unflatten the common data, and return nullptr if we fail.
 */
#define SK_IMAGEFILTER_UNFLATTEN_COMMON(localVar, expectedCount) …


/**
 * All image filter implementations defined for the include/effects/SkImageFilters.h factories
 * are entirely encapsulated within their own CPP files. SkFlattenable deserialization needs a hook
 * into these types, so their registration functions are exposed here.
 */
void SkRegisterBlendImageFilterFlattenable();
void SkRegisterBlurImageFilterFlattenable();
void SkRegisterColorFilterImageFilterFlattenable();
void SkRegisterComposeImageFilterFlattenable();
void SkRegisterCropImageFilterFlattenable();
void SkRegisterDisplacementMapImageFilterFlattenable();
void SkRegisterImageImageFilterFlattenable();
void SkRegisterLightingImageFilterFlattenables();
void SkRegisterMagnifierImageFilterFlattenable();
void SkRegisterMatrixConvolutionImageFilterFlattenable();
void SkRegisterMatrixTransformImageFilterFlattenable();
void SkRegisterMergeImageFilterFlattenable();
void SkRegisterMorphologyImageFilterFlattenables();
void SkRegisterPictureImageFilterFlattenable();
void SkRegisterRuntimeImageFilterFlattenable();
void SkRegisterShaderImageFilterFlattenable();

// TODO(michaelludwig): These filters no longer have dedicated implementations, so their
// SkFlattenable create procs only need to remain to support old SkPictures.
void SkRegisterLegacyDropShadowImageFilterFlattenable();

#endif // SkImageFilter_Base_DEFINED
chromium/third_party/skia/src/core/SkImageFilter_Base.h
