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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/printing/pwg_raster_converter.h"
#include <optional>
#include "base/containers/span.h"
#include "base/files/file_util.h"
#include "base/functional/bind.h"
#include "base/hash/sha1.h"
#include "base/memory/ref_counted_memory.h"
#include "base/path_service.h"
#include "base/run_loop.h"
#include "base/strings/string_number_conversions.h"
#include "base/threading/thread_restrictions.h"
#include "build/build_config.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "content/public/test/browser_test.h"
#include "printing/mojom/print.mojom.h"
#include "printing/pdf_render_settings.h"
#include "printing/pwg_raster_settings.h"
namespace printing {
namespace {
constexpr char kPdfToPwgRasterColorTestFile[] = "pdf_to_pwg_raster_test.pwg";
constexpr char kPdfToPwgRasterMonoTestFile[] =
"pdf_to_pwg_raster_mono_test.pwg";
constexpr char kPdfToPwgRasterLongEdgeTestFile[] =
"pdf_to_pwg_raster_long_edge_test.pwg";
void ResultCallbackImpl(bool* called,
base::ReadOnlySharedMemoryRegion* pwg_region_out,
base::OnceClosure quit_closure,
base::ReadOnlySharedMemoryRegion pwg_region_in) {
*called = true;
*pwg_region_out = std::move(pwg_region_in);
std::move(quit_closure).Run();
}
void GetPdfData(const char* file_name,
base::FilePath* test_data_dir,
scoped_refptr<base::RefCountedString>* pdf_data) {
ASSERT_TRUE(base::PathService::Get(chrome::DIR_TEST_DATA, test_data_dir));
*test_data_dir = test_data_dir->AppendASCII("printing");
base::FilePath pdf_file = test_data_dir->AppendASCII(file_name);
std::string pdf_data_str;
ASSERT_TRUE(base::ReadFileToString(pdf_file, &pdf_data_str));
ASSERT_GT(pdf_data_str.length(), 0U);
*pdf_data =
base::MakeRefCounted<base::RefCountedString>(std::move(pdf_data_str));
}
std::string HashData(base::span<const uint8_t> data) {
return base::HexEncode(base::SHA1Hash(data));
}
void ComparePwgOutput(const base::FilePath& expected_file,
base::ReadOnlySharedMemoryRegion pwg_region) {
std::string pwg_expected_data_str;
ASSERT_TRUE(base::ReadFileToString(expected_file, &pwg_expected_data_str));
base::ReadOnlySharedMemoryMapping pwg_mapping = pwg_region.Map();
ASSERT_TRUE(pwg_mapping.IsValid());
size_t size = pwg_mapping.size();
ASSERT_EQ(pwg_expected_data_str.length(), size);
EXPECT_EQ(HashData(base::as_byte_span(pwg_expected_data_str)),
HashData(pwg_mapping.GetMemoryAsSpan<uint8_t>()));
}
class PdfToPwgRasterBrowserTest : public InProcessBrowserTest {
public:
PdfToPwgRasterBrowserTest()
: converter_(PwgRasterConverter::CreateDefault()) {}
~PdfToPwgRasterBrowserTest() override = default;
void Convert(const base::RefCountedMemory* pdf_data,
const PdfRenderSettings& conversion_settings,
const PwgRasterSettings& bitmap_settings,
bool expect_success,
base::ReadOnlySharedMemoryRegion* pwg_region) {
bool called = false;
base::RunLoop run_loop;
converter_->Start(/*use_skia=*/std::nullopt, pdf_data, conversion_settings,
bitmap_settings,
base::BindOnce(&ResultCallbackImpl, &called, pwg_region,
run_loop.QuitClosure()));
run_loop.Run();
ASSERT_TRUE(called);
EXPECT_EQ(expect_success, pwg_region->IsValid());
}
private:
std::unique_ptr<PwgRasterConverter> converter_;
};
} // namespace
IN_PROC_BROWSER_TEST_F(PdfToPwgRasterBrowserTest, TestFailure) {
scoped_refptr<base::RefCountedStaticMemory> bad_pdf_data =
base::MakeRefCounted<base::RefCountedStaticMemory>(
base::byte_span_from_cstring("0123456789"));
base::ReadOnlySharedMemoryRegion pwg_region;
Convert(bad_pdf_data.get(), PdfRenderSettings(), PwgRasterSettings(),
/*expect_success=*/false, &pwg_region);
}
IN_PROC_BROWSER_TEST_F(PdfToPwgRasterBrowserTest, TestSuccessColor) {
base::ScopedAllowBlockingForTesting allow_blocking;
base::FilePath test_data_dir;
scoped_refptr<base::RefCountedString> pdf_data;
GetPdfData("pdf_to_pwg_raster_test.pdf", &test_data_dir, &pdf_data);
PdfRenderSettings pdf_settings(gfx::Rect(0, 0, 612, 792), gfx::Point(0, 0),
/*dpi=*/gfx::Size(1000, 1000),
/*autorotate=*/false,
/*use_color=*/true,
PdfRenderSettings::Mode::NORMAL);
PwgRasterSettings pwg_settings;
pwg_settings.duplex_mode = mojom::DuplexMode::kSimplex;
pwg_settings.odd_page_transform = PwgRasterTransformType::TRANSFORM_NORMAL;
pwg_settings.rotate_all_pages = false;
pwg_settings.reverse_page_order = false;
pwg_settings.use_color = true;
base::ReadOnlySharedMemoryRegion pwg_region;
Convert(pdf_data.get(), pdf_settings, pwg_settings,
/*expect_success=*/true, &pwg_region);
base::FilePath expected_pwg_file =
test_data_dir.AppendASCII(kPdfToPwgRasterColorTestFile);
ComparePwgOutput(expected_pwg_file, std::move(pwg_region));
}
IN_PROC_BROWSER_TEST_F(PdfToPwgRasterBrowserTest, TestSuccessMono) {
base::ScopedAllowBlockingForTesting allow_blocking;
base::FilePath test_data_dir;
scoped_refptr<base::RefCountedString> pdf_data;
GetPdfData("pdf_to_pwg_raster_test.pdf", &test_data_dir, &pdf_data);
PdfRenderSettings pdf_settings(gfx::Rect(0, 0, 612, 792), gfx::Point(0, 0),
/*dpi=*/gfx::Size(1000, 1000),
/*autorotate=*/false,
/*use_color=*/false,
PdfRenderSettings::Mode::NORMAL);
PwgRasterSettings pwg_settings;
pwg_settings.duplex_mode = mojom::DuplexMode::kSimplex;
pwg_settings.odd_page_transform = PwgRasterTransformType::TRANSFORM_NORMAL;
pwg_settings.rotate_all_pages = false;
pwg_settings.reverse_page_order = false;
pwg_settings.use_color = false;
base::ReadOnlySharedMemoryRegion pwg_region;
Convert(pdf_data.get(), pdf_settings, pwg_settings,
/*expect_success=*/true, &pwg_region);
base::FilePath expected_pwg_file =
test_data_dir.AppendASCII(kPdfToPwgRasterMonoTestFile);
ComparePwgOutput(expected_pwg_file, std::move(pwg_region));
}
IN_PROC_BROWSER_TEST_F(PdfToPwgRasterBrowserTest, TestSuccessLongDuplex) {
base::ScopedAllowBlockingForTesting allow_blocking;
base::FilePath test_data_dir;
scoped_refptr<base::RefCountedString> pdf_data;
GetPdfData("pdf_to_pwg_raster_test.pdf", &test_data_dir, &pdf_data);
PdfRenderSettings pdf_settings(gfx::Rect(0, 0, 612, 792), gfx::Point(0, 0),
/*dpi=*/gfx::Size(1000, 1000),
/*autorotate=*/false,
/*use_color=*/false,
PdfRenderSettings::Mode::NORMAL);
PwgRasterSettings pwg_settings;
pwg_settings.duplex_mode = mojom::DuplexMode::kLongEdge;
pwg_settings.odd_page_transform = PwgRasterTransformType::TRANSFORM_NORMAL;
pwg_settings.rotate_all_pages = false;
pwg_settings.reverse_page_order = false;
pwg_settings.use_color = false;
base::ReadOnlySharedMemoryRegion pwg_region;
Convert(pdf_data.get(), pdf_settings, pwg_settings,
/*expect_success=*/true, &pwg_region);
base::FilePath expected_pwg_file =
test_data_dir.AppendASCII(kPdfToPwgRasterLongEdgeTestFile);
ComparePwgOutput(expected_pwg_file, std::move(pwg_region));
}
} // namespace printing
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