1 /* 2 * Copyright 2015 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "SkCodec.h" 9 #include "SkCodecPriv.h" 10 #include "SkSampler.h" 11 #include "SkUtils.h" 12 13 void SkSampler::Fill(const SkImageInfo& info, void* dst, size_t rowBytes, 14 SkCodec::ZeroInitialized zeroInit) { 15 SkASSERT(dst != nullptr); 16 17 if (SkCodec::kYes_ZeroInitialized == zeroInit) { 18 return; 19 } 20 21 const int width = info.width(); 22 const int numRows = info.height(); 23 24 // Use the proper memset routine to fill the remaining bytes 25 switch (info.colorType()) { 26 case kRGBA_8888_SkColorType: 27 case kBGRA_8888_SkColorType: { 28 uint32_t* dstRow = (uint32_t*) dst; 29 for (int row = 0; row < numRows; row++) { 30 sk_memset32(dstRow, 0, width); 31 dstRow = SkTAddOffset<uint32_t>(dstRow, rowBytes); 32 } 33 break; 34 } 35 case kRGB_565_SkColorType: { 36 uint16_t* dstRow = (uint16_t*) dst; 37 for (int row = 0; row < numRows; row++) { 38 sk_memset16(dstRow, 0, width); 39 dstRow = SkTAddOffset<uint16_t>(dstRow, rowBytes); 40 } 41 break; 42 } 43 case kGray_8_SkColorType: { 44 uint8_t* dstRow = (uint8_t*) dst; 45 for (int row = 0; row < numRows; row++) { 46 memset(dstRow, 0, width); 47 dstRow = SkTAddOffset<uint8_t>(dstRow, rowBytes); 48 } 49 break; 50 } 51 case kRGBA_F16_SkColorType: { 52 uint64_t* dstRow = (uint64_t*) dst; 53 for (int row = 0; row < numRows; row++) { 54 sk_memset64(dstRow, 0, width); 55 dstRow = SkTAddOffset<uint64_t>(dstRow, rowBytes); 56 } 57 break; 58 } 59 default: 60 SkCodecPrintf("Error: Unsupported dst color type for fill(). Doing nothing.\n"); 61 SkASSERT(false); 62 break; 63 } 64 } 65
