diff options
Diffstat (limited to 'src/images/SkImageDecoder_ktx.cpp')
-rw-r--r-- | src/images/SkImageDecoder_ktx.cpp | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/src/images/SkImageDecoder_ktx.cpp b/src/images/SkImageDecoder_ktx.cpp index 019fa97678..539795ad9b 100644 --- a/src/images/SkImageDecoder_ktx.cpp +++ b/src/images/SkImageDecoder_ktx.cpp @@ -329,101 +329,3 @@ SkImageEncoder* sk_libktx_efactory(SkImageEncoder::Type t) { static SkImageDecoder_DecodeReg gReg(sk_libktx_dfactory); static SkImageDecoder_FormatReg gFormatReg(get_format_ktx); static SkImageEncoder_EncodeReg gEReg(sk_libktx_efactory); - -///////////////////////////////////////////////////////////////////////////////////////// -// Old implementation of SkImageGenerator::NewFromEncoded which uses SkImageDecoder. -// Here because it is only needed by DM and tests for Ktx. -class BareMemoryAllocator : public SkBitmap::Allocator { - const SkImageInfo fInfo; - void* const fMemory; - const size_t fRowBytes; - -public: - BareMemoryAllocator(const SkImageInfo& info, void* memory, size_t rowBytes) - : fInfo(info), fMemory(memory), fRowBytes(rowBytes) - {} - -protected: - bool allocPixelRef(SkBitmap* bm, SkColorTable* ctable) override { - const SkImageInfo bmi = bm->info(); - if (bmi.width() != fInfo.width() || bmi.height() != fInfo.height() || - bmi.colorType() != fInfo.colorType()) - { - return false; - } - return bm->installPixels(bmi, fMemory, fRowBytes, ctable, nullptr, nullptr); - } -}; - -class SkImageDecoderGenerator : public SkImageGenerator { - const SkImageInfo fInfo; - SkAutoTDelete<SkImageDecoder> fDecoder; - SkAutoTUnref<SkData> fData; - -public: - SkImageDecoderGenerator(const SkImageInfo& info, SkImageDecoder* decoder, SkData* data) - : INHERITED(info), fInfo(info), fDecoder(decoder), fData(SkRef(data)) - {} - -protected: - SkData* onRefEncodedData(SK_REFENCODEDDATA_CTXPARAM) override { - return SkRef(fData.get()); - } - bool onGetPixels(const SkImageInfo& info, void* pixels, size_t rowBytes, - SkPMColor ctableEntries[], int* ctableCount) override { - SkMemoryStream stream(fData->data(), fData->size(), false); - SkAutoTUnref<BareMemoryAllocator> allocator( - new BareMemoryAllocator(info, pixels, rowBytes)); - fDecoder->setAllocator(allocator); - fDecoder->setRequireUnpremultipliedColors(kUnpremul_SkAlphaType == info.alphaType()); - - SkBitmap bm; - const SkImageDecoder::Result result = fDecoder->decode(&stream, &bm, info.colorType(), - SkImageDecoder::kDecodePixels_Mode); - if (SkImageDecoder::kFailure == result) { - return false; - } - - SkASSERT(info.colorType() == bm.info().colorType()); - - if (kIndex_8_SkColorType == info.colorType()) { - SkASSERT(ctableEntries); - - SkColorTable* ctable = bm.getColorTable(); - if (nullptr == ctable) { - return false; - } - const int count = ctable->count(); - memcpy(ctableEntries, ctable->readColors(), count * sizeof(SkPMColor)); - *ctableCount = count; - } - return true; - } - - bool onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBytes[3], - SkYUVColorSpace* colorSpace) override { - SkMemoryStream stream(fData->data(), fData->size(), false); - return fDecoder->decodeYUV8Planes(&stream, sizes, planes, rowBytes, colorSpace); - } - -private: - typedef SkImageGenerator INHERITED; -}; - -SkImageGenerator* decoder_image_generator(SkData* data) { - SkMemoryStream stream(data->data(), data->size(), false); - SkImageDecoder* decoder = SkImageDecoder::Factory(&stream); - if (nullptr == decoder) { - return nullptr; - } - - SkBitmap bm; - stream.rewind(); - if (!decoder->decode(&stream, &bm, kUnknown_SkColorType, SkImageDecoder::kDecodeBounds_Mode)) { - delete decoder; - return nullptr; - } - - return new SkImageDecoderGenerator(bm.info(), decoder, data); -} - |