Compile SkForceLinking on CMake

src/codec/SkCodec.cpp

 /*
  * 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 "SkBmpCodec.h"
 #include "SkCodec.h"
 #include "SkCodecPriv.h"
 #include "SkColorSpace.h"
 #include "SkData.h"
 #include "SkGifCodec.h"
 #include "SkIcoCodec.h"
 #include "SkJpegCodec.h"
-#ifdef SK_CODEC_DECODES_PNG
+#ifdef SK_HAS_PNG_LIBRARY
 #include "SkPngCodec.h"
 #endif
 #include "SkRawCodec.h"
 #include "SkStream.h"
 #include "SkWbmpCodec.h"
 #include "SkWebpCodec.h"
 
 struct DecoderProc {
     bool (*IsFormat)(const void*, size_t);
     SkCodec* (*NewFromStream)(SkStream*);
 };
 
 static const DecoderProc gDecoderProcs[] = {
-#ifdef SK_CODEC_DECODES_JPEG
+#ifdef SK_HAS_JPEG_LIBRARY
     { SkJpegCodec::IsJpeg, SkJpegCodec::NewFromStream },
 #endif
-#ifdef SK_CODEC_DECODES_WEBP
+#ifdef SK_HAS_WEBP_LIBRARY
     { SkWebpCodec::IsWebp, SkWebpCodec::NewFromStream },
 #endif
-#ifdef SK_CODEC_DECODES_GIF
+#ifdef SK_HAS_GIF_LIBRARY
     { SkGifCodec::IsGif, SkGifCodec::NewFromStream },
 #endif
-#ifdef SK_CODEC_DECODES_PNG
+#ifdef SK_HAS_PNG_LIBRARY
     { SkIcoCodec::IsIco, SkIcoCodec::NewFromStream },
 #endif
     { SkBmpCodec::IsBmp, SkBmpCodec::NewFromStream },
     { SkWbmpCodec::IsWbmp, SkWbmpCodec::NewFromStream }
 };
 
 size_t SkCodec::MinBufferedBytesNeeded() {
     return WEBP_VP8_HEADER_SIZE;
 }
 
@@ skipping 29 matching lines @@
         // Attempt to read() and pass the actual amount read to the decoder.
         bytesRead = stream->read(buffer, bytesToRead);
         if (!stream->rewind()) {
             SkCodecPrintf("Encoded image data could not peek or rewind to determine format!\n");
             return nullptr;
         }
     }
 
     // PNG is special, since we want to be able to supply an SkPngChunkReader.
     // But this code follows the same pattern as the loop.
-#ifdef SK_CODEC_DECODES_PNG
+#ifdef SK_HAS_PNG_LIBRARY
     if (SkPngCodec::IsPng(buffer, bytesRead)) {
         return SkPngCodec::NewFromStream(streamDeleter.release(), chunkReader);
     } else
 #endif
     {
         for (DecoderProc proc : gDecoderProcs) {
             if (proc.IsFormat(buffer, bytesRead)) {
                 return proc.NewFromStream(streamDeleter.release());
             }
         }
@@ skipping 282 matching lines @@
             SkASSERT(1 == linesRequested || this->getInfo().height() == linesRequested);
             const SkImageInfo fillInfo = info.makeWH(fillWidth, 1);
             for (int srcY = linesDecoded; srcY < linesRequested; srcY++) {
                 fillDst = SkTAddOffset<void>(dst, this->outputScanline(srcY) * rowBytes);
                 fill_proc(fillInfo, fillDst, rowBytes, fillValue, zeroInit, sampler);
             }
             break;
         }
     }
 }