blob: 5c2d616ba0bd559e0fff1c42f3ffb96aa5f73e94 [file] [log] [blame]
* Copyright 2016 Google Inc.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#ifndef SkColorMatrixFilter_DEFINED
#define SkColorMatrixFilter_DEFINED
#include "SkColorFilter.h"
class SK_API SkColorMatrixFilterRowMajor255 : public SkColorFilter {
SkColorMatrixFilterRowMajor255() {}
explicit SkColorMatrixFilterRowMajor255(const SkScalar array[20]);
/** Creates a color matrix filter that returns the same value in all four channels. */
static sk_sp<SkColorFilter> MakeSingleChannelOutput(const SkScalar row[5]);
void filterSpan(const SkPMColor src[], int count, SkPMColor[]) const override;
void filterSpan4f(const SkPM4f src[], int count, SkPM4f[]) const override;
uint32_t getFlags() const override;
bool asColorMatrix(SkScalar matrix[20]) const override;
sk_sp<SkColorFilter> makeComposed(sk_sp<SkColorFilter>) const override;
sk_sp<GrFragmentProcessor> asFragmentProcessor(GrContext*, SkColorSpace*) const override;
void flatten(SkWriteBuffer&) const override;
bool onAppendStages(SkRasterPipeline*, SkColorSpace*, SkArenaAlloc*,
bool shaderIsOpaque) const override;
SkScalar fMatrix[20];
float fTranspose[20]; // for Sk4s
uint32_t fFlags;
void initState();
typedef SkColorFilter INHERITED;