EncodedInfoTest.cpp File Reference

#include "include/codec/SkCodec.h"
#include "include/core/SkBitmap.h"
#include "include/core/SkColorSpace.h"
#include "include/core/SkColorType.h"
#include "include/core/SkDataTable.h"
#include "include/core/SkImageInfo.h"
#include "include/core/SkStream.h"
#include "include/encode/SkPngEncoder.h"
#include "tests/Test.h"
#include "tools/Resources.h"
#include "tools/ToolUtils.h"
#include <memory>

Go to the source code of this file.

Functions
	DEF_TEST (AlphaEncodedInfo, r)

Function Documentation

DEF_TEST()

DEF_TEST	(	AlphaEncodedInfo	,
		r
	)

Definition at line 22 of file EncodedInfoTest.cpp.

                              {
    auto codec = SkCodec::MakeFromStream(GetResourceAsStream("images/grayscale.jpg"));
    REPORTER_ASSERT(r, codec->getInfo().colorType() == kGray_8_SkColorType);
 
    SkBitmap bm;
    bm.allocPixels(codec->getInfo().makeColorType(kAlpha_8_SkColorType).makeColorSpace(nullptr));
    auto result = codec->getPixels(codec->getInfo(), bm.getPixels(), bm.rowBytes());
    REPORTER_ASSERT(r, result == SkCodec::kSuccess);
 
    SkDynamicMemoryWStream stream;
    REPORTER_ASSERT(r, SkPngEncoder::Encode(&stream, bm.pixmap(), {}));
    REPORTER_ASSERT(r, stream.bytesWritten() > 0);
 
    codec = SkCodec::MakeFromData(stream.detachAsData());
    REPORTER_ASSERT(r, codec);
    // TODO: Make SkEncodedInfo public and compare to its version of kAlpha_8.
    REPORTER_ASSERT(r, codec->getInfo().colorType() == kAlpha_8_SkColorType);
 
    SkBitmap bm2;
    bm2.allocPixels(codec->getInfo().makeColorSpace(nullptr));
    result = codec->getPixels(bm2.pixmap());
    REPORTER_ASSERT(r, result == SkCodec::kSuccess);
 
    REPORTER_ASSERT(r, ToolUtils::equal_pixels(bm.pixmap(), bm2.pixmap()));
}