DM::ColorCodecSrc Class Reference

#include <DMSrcSink.h>

Inheritance diagram for DM::ColorCodecSrc:

Public Member Functions
	ColorCodecSrc (Path, bool decode_to_dst)
Result	draw (SkCanvas *, GraphiteTestContext *) const override
SkISize	size () const override
Name	name () const override
bool	veto (SinkFlags) const override
Public Member Functions inherited from DM::Src
virtual	~Src ()
virtual void	modifyGrContextOptions (GrContextOptions *) const
virtual void	modifyGraphiteContextOptions (skgpu::graphite::ContextOptions *) const
virtual int	pageCount () const
virtual Result	draw (int page, SkCanvas *canvas, GraphiteTestContext *graphiteTestContext) const
virtual SkISize	size (int page) const
virtual bool	serial () const

Additional Inherited Members
Public Types inherited from DM::Src
using	GraphiteTestContext = skiatest::graphite::GraphiteTestContext

Detailed Description

Definition at line 253 of file DMSrcSink.h.

Constructor & Destructor Documentation

ColorCodecSrc()

DM::ColorCodecSrc::ColorCodecSrc	(	Path	path,
		bool	decode_to_dst
	)

Definition at line 1066 of file DMSrcSink.cpp.

                                                          : fPath(path)
                                                            , fDecodeToDst(decode_to_dst) {}

Member Function Documentation

draw()

Result DM::ColorCodecSrc::draw ( SkCanvas *  canvas, GraphiteTestContext *    ) const

overridevirtual

Implements DM::Src.

Definition at line 1074 of file DMSrcSink.cpp.

                                                                       {
    sk_sp<SkData> encoded(SkData::MakeFromFileName(fPath.c_str()));
    if (!encoded) {
        return Result::Fatal("Couldn't read %s.", fPath.c_str());
    }
 
    std::unique_ptr<SkCodec> codec(SkCodec::MakeFromData(encoded));
    if (nullptr == codec) {
        return Result::Fatal("Couldn't create codec for %s.", fPath.c_str());
    }
 
    SkImageInfo info = codec->getInfo();
    if (SkEncodedOriginSwapsWidthHeight(codec->getOrigin())) {
        info = SkPixmapUtils::SwapWidthHeight(info);
    }
    if (fDecodeToDst) {
        SkImageInfo canvasInfo = canvas->imageInfo();
        if (!canvasInfo.colorSpace()) {
            // This will skip color conversion, and the resulting images will
            // look different from images they are compared against in Gold, but
            // that doesn't mean they are wrong. We have a test verifying that
            // passing a null SkColorSpace skips conversion, so skip this
            // misleading test.
            return Result::Skip("Skipping decoding without color transform.");
        }
        info = canvasInfo.makeDimensions(info.dimensions());
    }
 
    auto [image, result] = codec->getImage(info);
    switch (result) {
        case SkCodec::kSuccess:
        case SkCodec::kErrorInInput:
        case SkCodec::kIncompleteInput:
            canvas->drawImage(image, 0,0);
            return Result::Ok();
        case SkCodec::kInvalidConversion:
            // TODO(mtklein): why are there formats we can't decode to?
            return Result::Skip("SkCodec can't decode to this format.");
        default:
            return Result::Fatal("Couldn't getPixels %s. Error code %d", fPath.c_str(), result);
    }
}

name()

Name DM::ColorCodecSrc::name ( ) const

overridevirtual

Implements DM::Src.

Definition at line 1126 of file DMSrcSink.cpp.

                               {
    return SkOSPath::Basename(fPath.c_str());
}

size()

SkISize DM::ColorCodecSrc::size ( ) const

overridevirtual

Implements DM::Src.

Definition at line 1117 of file DMSrcSink.cpp.

                                  {
    sk_sp<SkData> encoded(SkData::MakeFromFileName(fPath.c_str()));
    std::unique_ptr<SkCodec> codec(SkCodec::MakeFromData(encoded));
    if (nullptr == codec) {
        return {0, 0};
    }
    return {codec->getInfo().width(), codec->getInfo().height()};
}

veto()

bool DM::ColorCodecSrc::veto ( SinkFlags  flags ) const

overridevirtual

Reimplemented from DM::Src.

Definition at line 1069 of file DMSrcSink.cpp.

                                              {
    // Test to direct raster backends (8888 and 565).
    return flags.type != SinkFlags::kRaster || flags.approach != SinkFlags::kDirect;
}

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The documentation for this class was generated from the following files:

• third_party/skia/dm/DMSrcSink.h
• third_party/skia/dm/DMSrcSink.cpp