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This commit is contained in:
Alexandra Latysheva 2020-09-26 11:27:13 +00:00
parent 71e43cd99c
commit 8b36b3e5af
10 changed files with 387 additions and 103 deletions
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86
oss-internship-2020/libtiff/example/main_sandboxed.cc
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@ -12,11 +12,10 @@
// See the License for the specific language governing permissions and
// limitations under the License.
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <array>
#include <cstdint>
#include <cstdlib>
#include <cstring>
#include "../sandboxed.h"
#include "sandboxed_api/sandbox2/util/fileops.h"
@ -47,21 +46,11 @@ absl::Status CheckCluster(int cluster, const sapi::v::Array<uint8_t>& buffer,
return absl::OkStatus();
}
std::cerr << "Cluster " << cluster << " did not match expected results.\n"
<< "Expect: " << expected_cluster[0] << "\t" << expected_cluster[1]
<< "\t" << expected_cluster[4] << "\t" << expected_cluster[5]
<< "\t" << expected_cluster[2] << "\t" << expected_cluster[3]
<< "\n"
<< "Got: " << target[0] << "\t" << target[1] << "\t" << target[4]
<< "\t" << target[5] << "\t" << target[2] << "\t" << target[3]
<< '\n';
return absl::InternalError(absl::StrCat(
"Cluster ", cluster, " did not match expected results.\n", "Expect: ",
expected_cluster[0], "\t", expected_cluster[1], "\t", expected_cluster[4],
"\t", expected_cluster[5], "\t", expected_cluster[2], "\t",
expected_cluster[3], "\n"
));
return absl::InternalError(
absl::StrCat("Cluster ", cluster, " did not match expected results.\n",
"Expect: ", expected_cluster[0], "\t", expected_cluster[1],
"\t", expected_cluster[4], "\t", expected_cluster[5], "\t",
expected_cluster[2], "\t", expected_cluster[3], "\n"));
}
absl::Status CheckRgbPixel(int pixel, int min_red, int max_red, int min_green,
@ -77,9 +66,8 @@ absl::Status CheckRgbPixel(int pixel, int min_red, int max_red, int min_green,
return absl::InternalError(absl::StrCat(
"Pixel ", pixel, " did not match expected results.\n", "Got R=", rgb[0],
" (expected ", min_red, "..", max_red, "), G=", rgb[1], " (expected ",
min_green, "..", max_green, "), B=", rgb[2], " (expected ", min_blue, "..",
max_blue, ")\n"
));
min_green, "..", max_green, "), B=", rgb[2], " (expected ", min_blue,
"..", max_blue, ")\n"));
}
absl::Status CheckRgbaPixel(int pixel, int min_red, int max_red, int min_green,
@ -101,12 +89,11 @@ absl::Status CheckRgbaPixel(int pixel, int min_red, int max_red, int min_green,
}
return absl::InternalError(absl::StrCat(
"Pixel ", pixel, " did not match expected results.\n", "Got R=",
TIFFGetR(rgba), " (expected ", min_red, "..", max_red, "), G=",
TIFFGetG(rgba), " (expected ", min_green, "..", max_green, "), B=",
TIFFGetB(rgba), " (expected ", min_blue, "..", max_blue, "), A=",
TIFFGetA(rgba), " (expected ", min_alpha, "..", max_alpha, ")\n"
));
"Pixel ", pixel, " did not match expected results.\n",
"Got R=", TIFFGetR(rgba), " (expected ", min_red, "..", max_red,
"), G=", TIFFGetG(rgba), " (expected ", min_green, "..", max_green,
"), B=", TIFFGetB(rgba), " (expected ", min_blue, "..", max_blue, "), A=",
TIFFGetA(rgba), " (expected ", min_alpha, "..", max_alpha, ")\n"));
}
} // namespace
@ -163,19 +150,17 @@ absl::Status LibTIFFMain(const std::string& srcfile) {
return absl::InternalError(absl::StrCat("Could not open ", srcfile));
}
SAPI_ASSIGN_OR_RETURN(
status_or_int, api.TIFFGetField2(&tif, TIFFTAG_YCBCRSUBSAMPLING,
SAPI_ASSIGN_OR_RETURN(status_or_int,
api.TIFFGetField2(&tif, TIFFTAG_YCBCRSUBSAMPLING,
h.PtrBoth(), v.PtrBoth()));
if (status_or_int.value() == 0 || h.GetValue() != 2 || v.GetValue() != 2) {
return absl::InternalError("Could not retrieve subsampling tag");
}
SAPI_ASSIGN_OR_RETURN(
status_or_long, api.TIFFTileSize(&tif));
SAPI_ASSIGN_OR_RETURN(status_or_long, api.TIFFTileSize(&tif));
if (status_or_long.value() != 24576) {
return absl::InternalError(absl::StrCat("tiles are ",
status_or_long.value(),
" bytes\n"));
return absl::InternalError(
absl::StrCat("tiles are ", status_or_long.value(), " bytes\n"));
}
tsize_t sz = status_or_long.value();
@ -185,8 +170,7 @@ absl::Status LibTIFFMain(const std::string& srcfile) {
if (status_or_long.value() != sz) {
return absl::InternalError(absl::StrCat(
"Did not get expected result code from TIFFReadEncodedTile(): ",
status_or_long.value(), " instead of ", sz
));
status_or_long.value(), " instead of ", sz));
}
unsigned pixel_status = 1;
@ -210,18 +194,16 @@ absl::Status LibTIFFMain(const std::string& srcfile) {
}
SAPI_ASSIGN_OR_RETURN(
status_or_int, api.TIFFSetFieldU1(&tif, TIFFTAG_JPEGCOLORMODE,
JPEGCOLORMODE_RGB));
status_or_int,
api.TIFFSetFieldU1(&tif, TIFFTAG_JPEGCOLORMODE, JPEGCOLORMODE_RGB));
if (!status_or_int.value()) {
return absl::InternalError("TIFFSetFieldU1 not available");
}
SAPI_ASSIGN_OR_RETURN(
status_or_long, api.TIFFTileSize(&tif));
SAPI_ASSIGN_OR_RETURN(status_or_long, api.TIFFTileSize(&tif));
if (status_or_long.value() != 128 * 128 * 3) {
return absl::InternalError(absl::StrCat("tiles are ",
status_or_long.value(),
" bytes"));
return absl::InternalError(
absl::StrCat("tiles are ", status_or_long.value(), " bytes"));
}
sz = status_or_long.value();
@ -232,13 +214,11 @@ absl::Status LibTIFFMain(const std::string& srcfile) {
if (status_or_long.value() != sz) {
return absl::InternalError(absl::StrCat(
"Did not get expected result code from TIFFReadEncodedTile(): ",
status_or_long.value(), " instead of ", sz
));
status_or_long.value(), " instead of ", sz));
}
pixel_status = 1;
if (status = CheckRgbPixel(0, 15, 18, 0, 0, 18, 41, buffer2_);
!status.ok()) {
if (status = CheckRgbPixel(0, 15, 18, 0, 0, 18, 41, buffer2_); !status.ok()) {
LOG(ERROR) << "CheckRgbPixel failed:\n" << status.ToString();
}
pixel_status &= status.ok();
@ -266,7 +246,8 @@ absl::Status LibTIFFMain(const std::string& srcfile) {
sapi::v::Array<uint32> rgba_buffer_(128 * 128);
SAPI_ASSIGN_OR_RETURN(status_or_int,
SAPI_ASSIGN_OR_RETURN(
status_or_int,
api.TIFFReadRGBATile(&tif2, 1 * 128, 2 * 128, rgba_buffer_.PtrBoth()));
if (!status_or_int.value()) {
return absl::InternalError("TIFFReadRGBATile() returned failure code");
@ -284,8 +265,9 @@ absl::Status LibTIFFMain(const std::string& srcfile) {
}
pixel_status &= status.ok();
if (status = CheckRgbaPixel(512, 5, 6, 34, 36, 182, 196, 255, 255,
rgba_buffer_); !status.ok()) {
if (status =
CheckRgbaPixel(512, 5, 6, 34, 36, 182, 196, 255, 255, rgba_buffer_);
!status.ok()) {
LOG(ERROR) << "CheckRgbaPixel failed:\n" << status.ToString();
}
pixel_status &= status.ok();
@ -314,8 +296,8 @@ int main(int argc, char** argv) {
auto status = LibTIFFMain(srcfile);
if (!status.ok()) {
LOG(ERROR)
<< "LibTIFFMain failed with error:\n" << status.ToString() << '\n';
LOG(ERROR) << "LibTIFFMain failed with error:\n"
<< status.ToString() << '\n';
return EXIT_FAILURE;
}

305
oss-internship-2020/libtiff/formated.cc Normal file
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@ -0,0 +1,305 @@
// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <array>
#include <cstdint>
#include <cstdlib>
#include <cstring>
#include "../sandboxed.h"
#include "sandboxed_api/sandbox2/util/fileops.h"
#include "sandboxed_api/sandbox2/util/path.h"
#include "sandboxed_api/vars.h"
#include "tiffio.h" // NOLINT(build/include)
// sapi functions:
// TIFFTileSize
// TIFFOpen
// TIFFReadEncodedTile
// TIFFSetField
// TIFFClose
// TIFFReadRGBATile
// TIFFGetField
constexpr std::array<uint8_t, 6> kCluster0 = {0, 0, 2, 0, 138, 139};
constexpr std::array<uint8_t, 6> kCluster64 = {0, 0, 9, 6, 134, 119};
constexpr std::array<uint8_t, 6> kCluster128 = {44, 40, 63, 59, 230, 95};
namespace {
absl::Status CheckCluster(int cluster, const sapi::v::Array<uint8_t>& buffer,
const std::array<uint8_t, 6>& expected_cluster) {
uint8_t* target = buffer.GetData() + cluster * 6;
if (!std::memcmp(target, expected_cluster.data(), 6)) {
return absl::OkStatus();
}
return absl::InternalError(
absl::StrCat("Cluster ", cluster, " did not match expected results.\n",
"Expect: ", expected_cluster[0], "\t", expected_cluster[1],
"\t", expected_cluster[4], "\t", expected_cluster[5], "\t",
expected_cluster[2], "\t", expected_cluster[3], "\n"));
}
absl::Status CheckRgbPixel(int pixel, int min_red, int max_red, int min_green,
int max_green, int min_blue, int max_blue,
const sapi::v::Array<uint8_t>& buffer) {
uint8_t* rgb = buffer.GetData() + 3 * pixel;
if (rgb[0] >= min_red && rgb[0] <= max_red && rgb[1] >= min_green &&
rgb[1] <= max_green && rgb[2] >= min_blue && rgb[2] <= max_blue) {
return absl::OkStatus();
}
return absl::InternalError(absl::StrCat(
"Pixel ", pixel, " did not match expected results.\n", "Got R=", rgb[0],
" (expected ", min_red, "..", max_red, "), G=", rgb[1], " (expected ",
min_green, "..", max_green, "), B=", rgb[2], " (expected ", min_blue,
"..", max_blue, ")\n"));
}
absl::Status CheckRgbaPixel(int pixel, int min_red, int max_red, int min_green,
int max_green, int min_blue, int max_blue,
int min_alpha, int max_alpha,
const sapi::v::Array<unsigned>& buffer) {
// RGBA images are upside down - adjust for normal ordering
int adjusted_pixel = pixel % 128 + (127 - (pixel / 128)) * 128;
uint32 rgba = buffer[adjusted_pixel];
if (TIFFGetR(rgba) >= (uint32)min_red && TIFFGetR(rgba) <= (uint32)max_red &&
TIFFGetG(rgba) >= (uint32)min_green &&
TIFFGetG(rgba) <= (uint32)max_green &&
TIFFGetB(rgba) >= (uint32)min_blue &&
TIFFGetB(rgba) <= (uint32)max_blue &&
TIFFGetA(rgba) >= (uint32)min_alpha &&
TIFFGetA(rgba) <= (uint32)max_alpha) {
return absl::OkStatus();
}
return absl::InternalError(absl::StrCat(
"Pixel ", pixel, " did not match expected results.\n",
"Got R=", TIFFGetR(rgba), " (expected ", min_red, "..", max_red,
"), G=", TIFFGetG(rgba), " (expected ", min_green, "..", max_green,
"), B=", TIFFGetB(rgba), " (expected ", min_blue, "..", max_blue, "), A=",
TIFFGetA(rgba), " (expected ", min_alpha, "..", max_alpha, ")\n"));
}
} // namespace
std::string GetFilePath(const std::string& dir, const std::string& filename) {
return sandbox2::file::JoinPath(dir, "test", "images", filename);
}
std::string GetFilePath(const std::string filename) {
std::string cwd = sandbox2::file_util::fileops::GetCWD();
auto find = cwd.rfind("build");
std::string project_path;
if (find == std::string::npos) {
LOG(ERROR) << "Something went wrong: CWD don't contain build dir. "
<< "Please run tests from build dir or send project dir as a "
<< "parameter: ./sandboxed /absolute/path/to/project/dir \n";
project_path = cwd;
} else {
project_path = cwd.substr(0, find);
}
return sandbox2::file::JoinPath(project_path, "test", "images", filename);
}
absl::Status LibTIFFMain(const std::string& srcfile) {
// without addDir to sandbox. to add dir use
// sandbox(absolute_path_to_dir, srcfile) or
// sandbox(absolute_path_to_dir). file and dir should be exists.
// srcfile must also be absolute_path_to_file
TiffSapiSandbox sandbox("", srcfile);
// initialize sapi vars after constructing TiffSapiSandbox
sapi::v::UShort h, v;
sapi::StatusOr<TIFF*> status_or_tif;
sapi::StatusOr<int> status_or_int;
sapi::StatusOr<tmsize_t> status_or_long;
absl::Status status;
status = sandbox.Init();
SAPI_RETURN_IF_ERROR(sandbox.Init());
TiffApi api(&sandbox);
sapi::v::ConstCStr srcfile_var(srcfile.c_str());
sapi::v::ConstCStr r_var("r");
SAPI_ASSIGN_OR_RETURN(
status_or_tif, api.TIFFOpen(srcfile_var.PtrBefore(), r_var.PtrBefore()));
sapi::v::RemotePtr tif(status_or_tif.value());
if (!tif.GetValue()) {
// tif is NULL
return absl::InternalError(absl::StrCat("Could not open ", srcfile));
}
SAPI_ASSIGN_OR_RETURN(status_or_int,
api.TIFFGetField2(&tif, TIFFTAG_YCBCRSUBSAMPLING,
h.PtrBoth(), v.PtrBoth()));
if (status_or_int.value() == 0 || h.GetValue() != 2 || v.GetValue() != 2) {
return absl::InternalError("Could not retrieve subsampling tag");
}
SAPI_ASSIGN_OR_RETURN(status_or_long, api.TIFFTileSize(&tif));
if (status_or_long.value() != 24576) {
return absl::InternalError(
absl::StrCat("tiles are ", status_or_long.value(), " bytes\n"));
}
tsize_t sz = status_or_long.value();
sapi::v::Array<uint8_t> buffer_(sz);
SAPI_ASSIGN_OR_RETURN(
status_or_long, api.TIFFReadEncodedTile(&tif, 9, buffer_.PtrBoth(), sz));
if (status_or_long.value() != sz) {
return absl::InternalError(absl::StrCat(
"Did not get expected result code from TIFFReadEncodedTile(): ",
status_or_long.value(), " instead of ", sz));
}
unsigned pixel_status = 1;
if (status = CheckCluster(0, buffer_, kCluster0); !status.ok()) {
LOG(ERROR) << "CheckCluster failed:\n" << status.ToString();
}
pixel_status &= status.ok();
if (status = CheckCluster(64, buffer_, kCluster64); !status.ok()) {
LOG(ERROR) << "CheckCluster failed:\n" << status.ToString();
}
pixel_status &= status.ok();
if (status = CheckCluster(128, buffer_, kCluster128); !status.ok()) {
LOG(ERROR) << "CheckCluster failed:\n" << status.ToString();
}
pixel_status &= status.ok();
if (!pixel_status) {
return absl::InternalError("unexpected pixel_status value");
}
SAPI_ASSIGN_OR_RETURN(
status_or_int,
api.TIFFSetFieldU1(&tif, TIFFTAG_JPEGCOLORMODE, JPEGCOLORMODE_RGB));
if (!status_or_int.value()) {
return absl::InternalError("TIFFSetFieldU1 not available");
}
SAPI_ASSIGN_OR_RETURN(status_or_long, api.TIFFTileSize(&tif));
if (status_or_long.value() != 128 * 128 * 3) {
return absl::InternalError(
absl::StrCat("tiles are ", status_or_long.value(), " bytes"));
}
sz = status_or_long.value();
sapi::v::Array<uint8_t> buffer2_(sz);
SAPI_ASSIGN_OR_RETURN(
status_or_long, api.TIFFReadEncodedTile(&tif, 9, buffer2_.PtrBoth(), sz));
if (status_or_long.value() != sz) {
return absl::InternalError(absl::StrCat(
"Did not get expected result code from TIFFReadEncodedTile(): ",
status_or_long.value(), " instead of ", sz));
}
pixel_status = 1;
if (status = CheckRgbPixel(0, 15, 18, 0, 0, 18, 41, buffer2_); !status.ok()) {
LOG(ERROR) << "CheckRgbPixel failed:\n" << status.ToString();
}
pixel_status &= status.ok();
if (status = CheckRgbPixel(64, 0, 0, 0, 0, 0, 2, buffer2_); !status.ok()) {
LOG(ERROR) << "CheckRgbPixel failed:\n" << status.ToString();
}
pixel_status &= status.ok();
if (status = CheckRgbPixel(512, 5, 6, 34, 36, 182, 196, buffer2_);
!status.ok()) {
LOG(ERROR) << "CheckRgbPixel failed:\n" << status.ToString();
}
pixel_status &= status.ok();
SAPI_RETURN_IF_ERROR(api.TIFFClose(&tif));
SAPI_ASSIGN_OR_RETURN(
status_or_tif, api.TIFFOpen(srcfile_var.PtrBefore(), r_var.PtrBefore()));
sapi::v::RemotePtr tif2(status_or_tif.value());
if (!tif2.GetValue()) { // tif is NULL
return absl::InternalError(absl::StrCat("Could not reopen ", srcfile));
}
sapi::v::Array<uint32> rgba_buffer_(128 * 128);
SAPI_ASSIGN_OR_RETURN(
status_or_int,
api.TIFFReadRGBATile(&tif2, 1 * 128, 2 * 128, rgba_buffer_.PtrBoth()));
if (!status_or_int.value()) {
return absl::InternalError("TIFFReadRGBATile() returned failure code");
}
if (status = CheckRgbaPixel(0, 15, 18, 0, 0, 18, 41, 255, 255, rgba_buffer_);
!status.ok()) {
LOG(ERROR) << "CheckRgbaPixel failed:\n" << status.ToString();
}
pixel_status &= status.ok();
if (status = CheckRgbaPixel(64, 0, 0, 0, 0, 0, 2, 255, 255, rgba_buffer_);
!status.ok()) {
LOG(ERROR) << "CheckRgbaPixel failed:\n" << status.ToString();
}
pixel_status &= status.ok();
if (status =
CheckRgbaPixel(512, 5, 6, 34, 36, 182, 196, 255, 255, rgba_buffer_);
!status.ok()) {
LOG(ERROR) << "CheckRgbaPixel failed:\n" << status.ToString();
}
pixel_status &= status.ok();
SAPI_RETURN_IF_ERROR(api.TIFFClose(&tif2));
if (!pixel_status) {
return absl::InternalError("unexpected pixel_status value");
}
return absl::OkStatus();
}
int main(int argc, char** argv) {
gflags::ParseCommandLineFlags(&argc, &argv, true);
std::string srcfile;
// "test/images/quad-tile.jpg.tiff"
std::string srcfilerel = "quad-tile.jpg.tiff";
if (argc < 2) {
srcfile = GetFilePath(srcfilerel);
} else {
srcfile = GetFilePath(argv[1], srcfilerel);
}
auto status = LibTIFFMain(srcfile);
if (!status.ok()) {
LOG(ERROR) << "LibTIFFMain failed with error:\n"
<< status.ToString() << '\n';
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}

BIN
oss-internship-2020/libtiff/short_test.tif9veSQm Normal file
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2
oss-internship-2020/libtiff/test/check_tag.h
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@ -15,7 +15,7 @@
#include <cstring>
#include "helper.h"
#include "tiffio.h"
#include "tiffio.h" // NOLINT(build/include)
void CheckShortField(TiffApi&, sapi::v::RemotePtr& tif, const ttag_t field,
const uint16_t value);

2
oss-internship-2020/libtiff/test/defer_strile_writing.cc
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@ -15,7 +15,7 @@
#include <cstdint>
#include "helper.h"
#include "tiffio.h"
#include "tiffio.h" // NOLINT(build/include)
// sapi functions:
// TIFFOpen

4
oss-internship-2020/libtiff/test/helper.cc
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@ -14,15 +14,13 @@
#include "helper.h"
#include <iostream>
static auto* g_in_dir = new std::string();
std::string GetImagesDir() {
std::string cwd = sandbox2::file_util::fileops::GetCWD();
auto find = cwd.rfind("/build");
if (find == std::string::npos) {
std::cerr << "Something went wrong: CWD don't contain build dir. "
LOG(ERROR) << "Something went wrong: CWD don't contain build dir. "
<< "Please run tests from build dir, path might be incorrect\n";
return cwd + "/test/images";

6
oss-internship-2020/libtiff/test/long_tag.cc
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@ -13,10 +13,9 @@
// limitations under the License.
#include <array>
#include <vector>
#include "check_tag.h"
#include "tiffio.h"
#include "tiffio.h" // NOLINT(build/include)
// sapi functions:
// TIFFWriteScanline
@ -34,7 +33,8 @@ struct LongTag {
};
constexpr std::array<LongTag, 1> kLongTags = {
{TIFFTAG_SUBFILETYPE, 1, FILETYPE_REDUCEDIMAGE | FILETYPE_PAGE | FILETYPE_MASK}};
{TIFFTAG_SUBFILETYPE, 1,
FILETYPE_REDUCEDIMAGE | FILETYPE_PAGE | FILETYPE_MASK}};
#define SPP 3 // kSamplePerPixel
constexpr unsigned kWidth = 1;
constexpr unsigned kLength = 1;

10
oss-internship-2020/libtiff/test/raw_decode.cc
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@ -17,7 +17,7 @@
#include "gtest/gtest.h"
#include "helper.h"
#include "tiffio.h"
#include "tiffio.h" // NOLINT(build/include)
// sapi functions:
// TIFFOpen
@ -34,8 +34,8 @@ constexpr std::array<uint8_t, 6> kCluster0 = {0, 0, 2, 0, 138, 139};
constexpr std::array<uint8_t, 6> kCluster64 = {0, 0, 9, 6, 134, 119};
constexpr std::array<uint8_t, 6> kCluster128 = {44, 40, 63, 59, 230, 95};
int CheckCluster(int cluster, const sapi::v::Array<uint8_t> &buffer,
const std::array<uint8_t, 6> &expected_cluster) {
int CheckCluster(int cluster, const sapi::v::Array<uint8_t>& buffer,
const std::array<uint8_t, 6>& expected_cluster) {
uint8_t* target = buffer.GetData() + cluster * 6;
bool comp = !(std::memcmp(target, expected_cluster.data(), 6) == 0);
@ -53,7 +53,7 @@ int CheckCluster(int cluster, const sapi::v::Array<uint8_t> &buffer,
int CheckRgbPixel(int pixel, int min_red, int max_red, int min_green,
int max_green, int min_blue, int max_blue,
const sapi::v::Array<uint8_t> &buffer) {
const sapi::v::Array<uint8_t>& buffer) {
uint8_t* rgb = buffer.GetData() + 3 * pixel;
bool comp =
@ -71,7 +71,7 @@ int CheckRgbPixel(int pixel, int min_red, int max_red, int min_green,
int CheckRgbaPixel(int pixel, int min_red, int max_red, int min_green,
int max_green, int min_blue, int max_blue, int min_alpha,
int max_alpha, const sapi::v::Array<unsigned> &buffer) {
int max_alpha, const sapi::v::Array<unsigned>& buffer) {
// RGBA images are upside down - adjust for normal ordering
int adjusted_pixel = pixel % 128 + (127 - (pixel / 128)) * 128;
unsigned rgba = buffer[adjusted_pixel];

11
oss-internship-2020/libtiff/test/short_tag.cc
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@ -14,10 +14,9 @@
#include <array>
#include <cstdint>
#include <vector>
#include "check_tag.h"
#include "tiffio.h"
#include "tiffio.h" // NOLINT(build/include)
// sapi functions:
// TIFFWriteScanline
@ -46,8 +45,8 @@ struct PairedTag {
const std::array<uint16_t, 2> values;
};
constexpr std::array<SingleTag, 9> kShortSingleTags = {{
{TIFFTAG_COMPRESSION, COMPRESSION_NONE},
constexpr std::array<SingleTag, 9> kShortSingleTags = {
{{TIFFTAG_COMPRESSION, COMPRESSION_NONE},
{TIFFTAG_FILLORDER, FILLORDER_MSB2LSB},
{TIFFTAG_ORIENTATION, ORIENTATION_BOTRIGHT},
{TIFFTAG_RESOLUTIONUNIT, RESUNIT_INCH},
@ -57,8 +56,8 @@ constexpr std::array<SingleTag, 9> kShortSingleTags = {{
{TIFFTAG_NUMBEROFINKS, SPP},
{TIFFTAG_SAMPLEFORMAT, SAMPLEFORMAT_UINT}}};
constexpr std::array<PairedTag, 4> kShortPairedTags = {{
{TIFFTAG_PAGENUMBER, {1, 1}},
constexpr std::array<PairedTag, 4> kShortPairedTags = {
{{TIFFTAG_PAGENUMBER, {1, 1}},
{TIFFTAG_HALFTONEHINTS, {0, 255}},
{TIFFTAG_DOTRANGE, {8, 16}},
{TIFFTAG_YCBCRSUBSAMPLING, {2, 1}}}};

2
oss-internship-2020/libtiff/wrapper/func.h
View File

@ -15,7 +15,7 @@
#ifndef LIBTIFF_WRAPPER_FUNC_H
#define LIBTIFF_WRAPPER_FUNC_H
#include "tiffio.h"
#include "tiffio.h" // NOLINT(build/include)
// wrapper for variadic functions TIFFGetField and TIFFSetField
// s - signed