| /* |
| * 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; |
| } |
| } |