DM::AndroidCodecSrc Class Reference

#include <DMSrcSink.h>

Inheritance diagram for DM::AndroidCodecSrc:

Public Member Functions
	AndroidCodecSrc (Path, CodecSrc::DstColorType, SkAlphaType, int sampleSize)
Result	draw (SkCanvas *, GraphiteTestContext *) const override
SkISize	size () const override
Name	name () const override
bool	veto (SinkFlags) const override
bool	serial () const override
Public Member Functions inherited from DM::Src
virtual	~Src ()
virtual Result	draw (SkCanvas *canvas, GraphiteTestContext *) const =0
virtual SkISize	size () const =0
virtual Name	name () const =0
virtual void	modifyGrContextOptions (GrContextOptions *) const
virtual void	modifyGraphiteContextOptions (skgpu::graphite::ContextOptions *) const
virtual bool	veto (SinkFlags) 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 187 of file DMSrcSink.h.

Constructor & Destructor Documentation

AndroidCodecSrc()

DM::AndroidCodecSrc::AndroidCodecSrc	(	Path	path,
		CodecSrc::DstColorType	dstColorType,
		SkAlphaType	dstAlphaType,
		int	sampleSize
	)

Definition at line 865 of file DMSrcSink.cpp.

    : fPath(path)
    , fDstColorType(dstColorType)
    , fDstAlphaType(dstAlphaType)
    , fSampleSize(sampleSize)
    , fRunSerially(serial_from_path_name(path))
{}

Member Function Documentation

draw()

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

overridevirtual

Implements DM::Src.

Definition at line 880 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<SkAndroidCodec> codec(SkAndroidCodec::MakeFromData(encoded));
    if (nullptr == codec) {
        return Result::Fatal("Couldn't create android codec for %s.", fPath.c_str());
    }
 
    SkImageInfo decodeInfo = codec->getInfo();
    if (!get_decode_info(&decodeInfo, canvas->imageInfo().colorType(), fDstColorType,
                         fDstAlphaType)) {
        return Result::Skip("Skipping uninteresting test.");
    }
 
    // Scale the image if it is desired.
    SkISize size = codec->getSampledDimensions(fSampleSize);
 
    // Visually inspecting very small output images is not necessary.  We will
    // cover these cases in unit testing.
    if ((size.width() <= 10 || size.height() <= 10) && 1 != fSampleSize) {
        return Result::Skip("Scaling very small images is uninteresting.");
    }
    decodeInfo = decodeInfo.makeDimensions(size);
 
    int bpp = decodeInfo.bytesPerPixel();
    size_t rowBytes = size.width() * bpp;
    SkAutoMalloc pixels(size.height() * rowBytes);
 
    SkBitmap bitmap;
    SkImageInfo bitmapInfo = decodeInfo;
    set_bitmap_color_space(&bitmapInfo);
    if (kRGBA_8888_SkColorType == decodeInfo.colorType() ||
            kBGRA_8888_SkColorType == decodeInfo.colorType()) {
        bitmapInfo = bitmapInfo.makeColorType(kN32_SkColorType);
    }
 
    // Create options for the codec.
    SkAndroidCodec::AndroidOptions options;
    options.fSampleSize = fSampleSize;
 
    switch (codec->getAndroidPixels(decodeInfo, pixels.get(), rowBytes, &options)) {
        case SkCodec::kSuccess:
        case SkCodec::kErrorInInput:
        case SkCodec::kIncompleteInput:
            break;
        default:
            return Result::Fatal("Couldn't getPixels %s.", fPath.c_str());
    }
    draw_to_canvas(canvas, bitmapInfo, pixels.get(), rowBytes, fDstColorType);
    return Result::Ok();
}

name()

Name DM::AndroidCodecSrc::name ( ) const

overridevirtual

Implements DM::Src.

Definition at line 943 of file DMSrcSink.cpp.

                                 {
    // We will replicate the names used by CodecSrc so that images can
    // be compared in Gold.
    if (1 == fSampleSize) {
        return SkOSPath::Basename(fPath.c_str());
    }
    return get_scaled_name(fPath, 1.0f / (float) fSampleSize);
}

serial()

bool DM::AndroidCodecSrc::serial ( ) const

inlineoverridevirtual

Reimplemented from DM::Src.

Definition at line 195 of file DMSrcSink.h.

{ return fRunSerially; }

size()

SkISize DM::AndroidCodecSrc::size ( ) const

overridevirtual

Implements DM::Src.

Definition at line 934 of file DMSrcSink.cpp.

                                    {
    sk_sp<SkData> encoded(SkData::MakeFromFileName(fPath.c_str()));
    std::unique_ptr<SkAndroidCodec> codec(SkAndroidCodec::MakeFromData(encoded));
    if (nullptr == codec) {
        return {0, 0};
    }
    return codec->getSampledDimensions(fSampleSize);
}

veto()

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

overridevirtual

Reimplemented from DM::Src.

Definition at line 874 of file DMSrcSink.cpp.

                                                {
    // No need to test decoding to non-raster or indirect backend.
    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