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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "src/effects/colorfilters/SkTableColorFilter.h"
#include "include/core/SkColorFilter.h"
#include "include/core/SkColorTable.h"
#include "include/core/SkFlattenable.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkTypes.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/effects/colorfilters/SkColorFilterBase.h"
#include <cstdint>
#include <utility>
bool SkTableColorFilter::appendStages(const SkStageRec& rec, bool shaderIsOpaque) const {
SkRasterPipeline* p = rec.fPipeline;
if (!shaderIsOpaque) {
p->append(SkRasterPipelineOp::unpremul);
}
SkRasterPipeline_TablesCtx* tables = rec.fAlloc->make<SkRasterPipeline_TablesCtx>();
tables->a = fTable->alphaTable();
tables->r = fTable->redTable();
tables->g = fTable->greenTable();
tables->b = fTable->blueTable();
p->append(SkRasterPipelineOp::byte_tables, tables);
bool definitelyOpaque = shaderIsOpaque && tables->a[0xff] == 0xff;
if (!definitelyOpaque) {
p->append(SkRasterPipelineOp::premul);
}
return true;
}
void SkTableColorFilter::flatten(SkWriteBuffer& buffer) const {
fTable->flatten(buffer);
}
sk_sp<SkFlattenable> SkTableColorFilter::CreateProc(SkReadBuffer& buffer) {
return SkColorFilters::Table(SkColorTable::Deserialize(buffer));
}
///////////////////////////////////////////////////////////////////////////////
sk_sp<SkColorFilter> SkColorFilters::Table(const uint8_t table[256]) {
return SkColorFilters::Table(SkColorTable::Make(table));
}
sk_sp<SkColorFilter> SkColorFilters::TableARGB(const uint8_t tableA[256],
const uint8_t tableR[256],
const uint8_t tableG[256],
const uint8_t tableB[256]) {
return SkColorFilters::Table(SkColorTable::Make(tableA, tableR, tableG, tableB));
}
sk_sp<SkColorFilter> SkColorFilters::Table(sk_sp<SkColorTable> table) {
if (!table) {
return nullptr;
}
return sk_make_sp<SkTableColorFilter>(std::move(table));
}
void SkRegisterTableColorFilterFlattenable() {
SK_REGISTER_FLATTENABLE(SkTableColorFilter);
// Previous name
SkFlattenable::Register("SkTable_ColorFilter", SkTableColorFilter::CreateProc);
}