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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/codec/SkSampler.h"
#include "include/codec/SkCodec.h"
#include "include/core/SkColorType.h"
#include "include/core/SkImageInfo.h"
#include "include/private/base/SkTemplates.h"
#include "src/codec/SkCodecPriv.h"
#include "src/core/SkOpts.h"
#include <cstdint>
#include <cstring>
void SkSampler::Fill(const SkImageInfo& info, void* dst, size_t rowBytes,
SkCodec::ZeroInitialized zeroInit) {
SkASSERT(dst != nullptr);
if (SkCodec::kYes_ZeroInitialized == zeroInit) {
return;
}
const int width = info.width();
const int numRows = info.height();
// Use the proper memset routine to fill the remaining bytes
switch (info.colorType()) {
case kRGBA_8888_SkColorType:
case kBGRA_8888_SkColorType: {
uint32_t* dstRow = (uint32_t*) dst;
for (int row = 0; row < numRows; row++) {
SkOpts::memset32(dstRow, 0, width);
dstRow = SkTAddOffset<uint32_t>(dstRow, rowBytes);
}
break;
}
case kRGB_565_SkColorType: {
uint16_t* dstRow = (uint16_t*) dst;
for (int row = 0; row < numRows; row++) {
SkOpts::memset16(dstRow, 0, width);
dstRow = SkTAddOffset<uint16_t>(dstRow, rowBytes);
}
break;
}
case kGray_8_SkColorType: {
uint8_t* dstRow = (uint8_t*) dst;
for (int row = 0; row < numRows; row++) {
memset(dstRow, 0, width);
dstRow = SkTAddOffset<uint8_t>(dstRow, rowBytes);
}
break;
}
case kRGBA_F16_SkColorType: {
uint64_t* dstRow = (uint64_t*) dst;
for (int row = 0; row < numRows; row++) {
SkOpts::memset64(dstRow, 0, width);
dstRow = SkTAddOffset<uint64_t>(dstRow, rowBytes);
}
break;
}
default:
SkCodecPrintf("Error: Unsupported dst color type for fill(). Doing nothing.\n");
SkASSERT(false);
break;
}
}
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