skia2/tests/EncodedInfoTest.cpp
Mike Klein ea3f014e2b sk_tool_utils -> ToolUtils, and git clang-format
sk_tool_utils doesn't really fit the naming convention
the rest of code under tools/ tends to use.

Change-Id: I45326a174101c6eb4b6149e9c742f658f2fd23b1
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/202313
Auto-Submit: Mike Klein <mtklein@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
2019-03-20 18:05:42 +00:00

43 lines
1.4 KiB
C++

/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Resources.h"
#include "Test.h"
#include "ToolUtils.h"
#include "SkBitmap.h"
#include "SkCodec.h"
#include "SkData.h"
#include "SkEncodedImageFormat.h"
#include "SkImageInfo.h"
#include "SkImageEncoder.h"
DEF_TEST(AlphaEncodedInfo, r) {
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);
auto data = SkEncodeBitmap(bm, SkEncodedImageFormat::kPNG, 100);
REPORTER_ASSERT(r, data);
codec = SkCodec::MakeFromData(std::move(data));
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()));
}