43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
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/*
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* Copyright 2018 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "Resources.h"
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#include "Test.h"
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#include "sk_tool_utils.h"
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#include "SkBitmap.h"
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#include "SkCodec.h"
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#include "SkData.h"
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#include "SkEncodedImageFormat.h"
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#include "SkImageInfo.h"
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#include "SkImageEncoder.h"
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DEF_TEST(AlphaEncodedInfo, r) {
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auto codec = SkCodec::MakeFromStream(GetResourceAsStream("images/grayscale.jpg"));
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REPORTER_ASSERT(r, codec->getInfo().colorType() == kGray_8_SkColorType);
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SkBitmap bm;
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bm.allocPixels(codec->getInfo().makeColorType(kAlpha_8_SkColorType).makeColorSpace(nullptr));
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auto result = codec->getPixels(codec->getInfo(), bm.getPixels(), bm.rowBytes());
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REPORTER_ASSERT(r, result == SkCodec::kSuccess);
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auto data = SkEncodeBitmap(bm, SkEncodedImageFormat::kPNG, 100);
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REPORTER_ASSERT(r, data);
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codec = SkCodec::MakeFromData(std::move(data));
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REPORTER_ASSERT(r, codec);
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// TODO: Make SkEncodedInfo public and compare to its version of kAlpha_8.
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REPORTER_ASSERT(r, codec->getInfo().colorType() == kAlpha_8_SkColorType);
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SkBitmap bm2;
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bm2.allocPixels(codec->getInfo().makeColorSpace(nullptr));
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result = codec->getPixels(bm2.pixmap());
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REPORTER_ASSERT(r, result == SkCodec::kSuccess);
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REPORTER_ASSERT(r, sk_tool_utils::equal_pixels(bm.pixmap(), bm2.pixmap(), 0, true));
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}
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