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/*
* Copyright 2016 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 "SkBitmap.h"
#include "SkCodec.h"
#include "SkColor.h"
#include "SkImageInfo.h"
#include "SkJpegEncoder.h"
#include "SkStream.h"
#include "Test.h"
DEF_TEST(ExifOrientation, r) {
std::unique_ptr<SkStream> stream(GetResourceAsStream("exif-orientation-2-ur.jpg"));
REPORTER_ASSERT(r, nullptr != stream);
if (!stream) {
return;
}
std::unique_ptr<SkCodec> codec(SkCodec::MakeFromStream(std::move(stream)));
REPORTER_ASSERT(r, nullptr != codec);
SkEncodedOrigin origin = codec->getOrigin();
REPORTER_ASSERT(r, kTopRight_SkEncodedOrigin == origin);
codec = SkCodec::MakeFromStream(GetResourceAsStream("mandrill_512_q075.jpg"));
REPORTER_ASSERT(r, nullptr != codec);
origin = codec->getOrigin();
REPORTER_ASSERT(r, kTopLeft_SkEncodedOrigin == origin);
}
#ifdef SK_HAS_EXIF_LIBRARY
DEF_TEST(ExifWriteOrientation, r) {
SkBitmap bm;
bm.allocPixels(SkImageInfo::MakeN32Premul(100, 100));
bm.eraseColor(SK_ColorBLUE);
SkPixmap pm;
if (!bm.peekPixels(&pm)) {
ERRORF(r, "failed to peek pixels");
return;
}
for (auto o : { kTopLeft_SkEncodedOrigin,
kTopRight_SkEncodedOrigin,
kBottomRight_SkEncodedOrigin,
kBottomLeft_SkEncodedOrigin,
kLeftTop_SkEncodedOrigin,
kRightTop_SkEncodedOrigin,
kRightBottom_SkEncodedOrigin,
kLeftBottom_SkEncodedOrigin }) {
SkDynamicMemoryWStream stream;
SkJpegEncoder::Options options;
options.fOrigin = o;
if (!SkJpegEncoder::Encode(&stream, pm, options)) {
ERRORF(r, "Failed to encode with orientation %i", o);
return;
}
auto data = stream.detachAsData();
auto codec = SkCodec::MakeFromData(std::move(data));
if (!codec) {
ERRORF(r, "Failed to create a codec with orientation %i", o);
return;
}
REPORTER_ASSERT(r, codec->getOrigin() == o);
}
}
#endif
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