12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364 |
- /*
- * 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 "include/codec/SkCodec.h"
- #include "src/codec/SkCodecPriv.h"
- #include "src/codec/SkSampler.h"
- #include "src/core/SkUtils.h"
- 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++) {
- sk_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++) {
- sk_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++) {
- sk_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;
- }
- }
|