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pdfium / pdfium / refs/heads/chromium/6891 / . / fpdfsdk / fpdf_view_embeddertest.cpp
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// Copyright 2015 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <math.h>
#include <algorithm>
#include <limits>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "build/build_config.h"
#include "core/fpdfapi/parser/cpdf_document.h"
#include "core/fxge/cfx_defaultrenderdevice.h"
#include "fpdfsdk/cpdfsdk_helpers.h"
#include "fpdfsdk/fpdf_view_c_api_test.h"
#include "public/cpp/fpdf_scopers.h"
#include "public/fpdfview.h"
#include "testing/embedder_test.h"
#include "testing/embedder_test_constants.h"
#include "testing/embedder_test_environment.h"
#include "testing/fx_string_testhelpers.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/utils/file_util.h"
#include "testing/utils/hash.h"
#include "testing/utils/path_service.h"
#if defined(PDF_USE_SKIA)
#include "third_party/skia/include/core/SkCanvas.h" // nogncheck
#include "third_party/skia/include/core/SkColor.h" // nogncheck
#include "third_party/skia/include/core/SkColorType.h" // nogncheck
#include "third_party/skia/include/core/SkImage.h" // nogncheck
#include "third_party/skia/include/core/SkImageInfo.h" // nogncheck
#include "third_party/skia/include/core/SkPicture.h" // nogncheck
#include "third_party/skia/include/core/SkPictureRecorder.h" // nogncheck
#include "third_party/skia/include/core/SkRefCnt.h" // nogncheck
#include "third_party/skia/include/core/SkSize.h" // nogncheck
#include "third_party/skia/include/core/SkSurface.h" // nogncheck
#endif // defined(PDF_USE_SKIA)
using pdfium::ManyRectanglesChecksum;
namespace {
constexpr char kFirstAlternate[] = "FirstAlternate";
constexpr char kLastAlternate[] = "LastAlternate";
#if BUILDFLAG(IS_WIN)
const char kExpectedRectanglePostScript[] = R"(
save
/im/initmatrix load def
/n/newpath load def/m/moveto load def/l/lineto load def/c/curveto load def/h/closepath load def
/f/fill load def/F/eofill load def/s/stroke load def/W/clip load def/W*/eoclip load def
/rg/setrgbcolor load def/k/setcmykcolor load def
/J/setlinecap load def/j/setlinejoin load def/w/setlinewidth load def/M/setmiterlimit load def/d/setdash load def
/q/gsave load def/Q/grestore load def/iM/imagemask load def
/Tj/show load def/Ff/findfont load def/Fs/scalefont load def/Sf/setfont load def
/cm/concat load def/Cm/currentmatrix load def/mx/matrix load def/sm/setmatrix load def
0 300 m 0 0 l 200 0 l 200 300 l 0 300 l h W n
q
0 300 m 0 0 l 200 0 l 200 300 l 0 300 l h W n
q
0 J
[]0 d
0 j
1 w
10 M
mx Cm [1 0 0 -1 0 300]cm 0 290 m 10 290 l 10 300 l 0 300 l 0 290 l h 0 0 0 rg
q F Q s sm
mx Cm [1 0 0 -1 0 300]cm 10 150 m 60 150 l 60 180 l 10 180 l 10 150 l h q F Q s sm
mx Cm [1 0 0 -1 0 300]cm 190 290 m 200 290 l 200 300 l 190 300 l 190 290 l h 0 0 1 rg
q F Q 0 0 0 rg
s sm
mx Cm [1 0 0 -1 0 300]cm 70 232 m 120 232 l 120 262 l 70 262 l 70 232 l h 0 0 1 rg
q F Q 0 0 0 rg
s sm
mx Cm [1 0 0 -1 0 300]cm 190 0 m 200 0 l 200 10 l 190 10 l 190 0 l h 0 1 0 rg
q F Q 0 0 0 rg
s sm
mx Cm [1 0 0 -1 0 300]cm 130 150 m 180 150 l 180 180 l 130 180 l 130 150 l h 0 1 0 rg
q F Q 0 0 0 rg
s sm
mx Cm [1 0 0 -1 0 300]cm 0 0 m 10 0 l 10 10 l 0 10 l 0 0 l h 1 0 0 rg
q F Q 0 0 0 rg
s sm
mx Cm [1 0 0 -1 0 300]cm 70 67 m 120 67 l 120 97 l 70 97 l 70 67 l h 1 0 0 rg
q F Q 0 0 0 rg
s sm
Q
Q
Q
restore
)";
#endif // BUILDFLAG(IS_WIN)
class MockDownloadHints final : public FX_DOWNLOADHINTS {
public:
static void SAddSegment(FX_DOWNLOADHINTS* pThis, size_t offset, size_t size) {
}
MockDownloadHints() {
FX_DOWNLOADHINTS::version = 1;
FX_DOWNLOADHINTS::AddSegment = SAddSegment;
}
~MockDownloadHints() = default;
};
#if defined(PDF_USE_SKIA)
ScopedFPDFBitmap SkImageToPdfiumBitmap(const SkImage& image) {
ScopedFPDFBitmap bitmap(
FPDFBitmap_Create(image.width(), image.height(), /*alpha=*/1));
if (!bitmap) {
ADD_FAILURE() << "Could not create FPDF_BITMAP";
return nullptr;
}
if (!image.readPixels(/*context=*/nullptr,
image.imageInfo().makeColorType(kBGRA_8888_SkColorType),
FPDFBitmap_GetBuffer(bitmap.get()),
FPDFBitmap_GetStride(bitmap.get()),
/*srcX=*/0, /*srcY=*/0)) {
ADD_FAILURE() << "Could not read pixels from SkImage";
return nullptr;
}
return bitmap;
}
ScopedFPDFBitmap SkPictureToPdfiumBitmap(sk_sp<SkPicture> picture,
const SkISize& size) {
sk_sp<SkSurface> surface =
SkSurfaces::Raster(SkImageInfo::MakeN32Premul(size));
if (!surface) {
ADD_FAILURE() << "Could not create SkSurface";
return nullptr;
}
surface->getCanvas()->clear(SK_ColorWHITE);
surface->getCanvas()->drawPicture(picture);
sk_sp<SkImage> image = surface->makeImageSnapshot();
if (!image) {
ADD_FAILURE() << "Could not snapshot SkSurface";
return nullptr;
}
return SkImageToPdfiumBitmap(*image);
}
#endif // defined(PDF_USE_SKIA)
} // namespace
TEST(fpdf, CApiTest) {
EXPECT_TRUE(CheckPDFiumCApi());
}
class FPDFViewEmbedderTest : public EmbedderTest {
protected:
void TestRenderPageBitmapWithMatrix(FPDF_PAGE page,
int bitmap_width,
int bitmap_height,
const FS_MATRIX& matrix,
const FS_RECTF& rect,
const char* expected_checksum) {
ScopedFPDFBitmap bitmap(FPDFBitmap_Create(bitmap_width, bitmap_height, 0));
ASSERT_TRUE(FPDFBitmap_FillRect(bitmap.get(), 0, 0, bitmap_width,
bitmap_height, 0xFFFFFFFF));
FPDF_RenderPageBitmapWithMatrix(bitmap.get(), page, &matrix, &rect, 0);
CompareBitmap(bitmap.get(), bitmap_width, bitmap_height, expected_checksum);
}
void TestRenderPageBitmapWithFlags(FPDF_PAGE page,
int flags,
const char* expected_checksum) {
int bitmap_width = static_cast<int>(FPDF_GetPageWidth(page));
int bitmap_height = static_cast<int>(FPDF_GetPageHeight(page));
ScopedFPDFBitmap bitmap(FPDFBitmap_Create(bitmap_width, bitmap_height, 0));
ASSERT_TRUE(FPDFBitmap_FillRect(bitmap.get(), 0, 0, bitmap_width,
bitmap_height, 0xFFFFFFFF));
FPDF_RenderPageBitmap(bitmap.get(), page, 0, 0, bitmap_width, bitmap_height,
0, flags);
CompareBitmap(bitmap.get(), bitmap_width, bitmap_height, expected_checksum);
}
void TestRenderPageBitmapWithInternalMemory(FPDF_PAGE page,
int format,
const char* expected_checksum) {
TestRenderPageBitmapWithInternalMemoryAndStride(
page, format, /*bitmap_stride=*/0, expected_checksum);
}
void TestRenderPageBitmapWithInternalMemoryAndStride(
FPDF_PAGE page,
int format,
int bitmap_stride,
const char* expected_checksum) {
int bitmap_width = static_cast<int>(FPDF_GetPageWidth(page));
int bitmap_height = static_cast<int>(FPDF_GetPageHeight(page));
int bytes_per_pixel = BytesPerPixelForFormat(format);
ASSERT_NE(0, bytes_per_pixel);
ScopedFPDFBitmap bitmap(FPDFBitmap_CreateEx(
bitmap_width, bitmap_height, format, nullptr, bitmap_stride));
RenderPageToBitmapAndCheck(page, bitmap.get(), expected_checksum);
}
void TestRenderPageBitmapWithExternalMemory(FPDF_PAGE page,
int format,
const char* expected_checksum) {
int bitmap_width = static_cast<int>(FPDF_GetPageWidth(page));
int bytes_per_pixel = BytesPerPixelForFormat(format);
ASSERT_NE(0, bytes_per_pixel);
int bitmap_stride = bytes_per_pixel * bitmap_width;
return TestRenderPageBitmapWithExternalMemoryImpl(
page, format, bitmap_stride, expected_checksum);
}
void TestRenderPageBitmapWithExternalMemoryAndNoStride(
FPDF_PAGE page,
int format,
const char* expected_checksum) {
return TestRenderPageBitmapWithExternalMemoryImpl(
page, format, /*bitmap_stride=*/0, expected_checksum);
}
#if defined(PDF_USE_SKIA)
void TestRenderPageSkp(FPDF_PAGE page, const char* expected_checksum) {
int width = static_cast<int>(FPDF_GetPageWidth(page));
int height = static_cast<int>(FPDF_GetPageHeight(page));
sk_sp<SkPicture> picture;
{
auto recorder = std::make_unique<SkPictureRecorder>();
recorder->beginRecording(width, height);
FPDF_RenderPageSkia(
FPDFSkiaCanvasFromSkCanvas(recorder->getRecordingCanvas()), page,
width, height);
picture = recorder->finishRecordingAsPicture();
ASSERT_TRUE(picture);
}
ScopedFPDFBitmap bitmap = SkPictureToPdfiumBitmap(
std::move(picture), SkISize::Make(width, height));
CompareBitmap(bitmap.get(), width, height, expected_checksum);
}
#endif // defined(PDF_USE_SKIA)
private:
void TestRenderPageBitmapWithExternalMemoryImpl(
FPDF_PAGE page,
int format,
int bitmap_stride,
const char* expected_checksum) {
int bitmap_width = static_cast<int>(FPDF_GetPageWidth(page));
int bitmap_height = static_cast<int>(FPDF_GetPageHeight(page));
std::vector<uint8_t> external_memory(bitmap_stride * bitmap_height);
ScopedFPDFBitmap bitmap(FPDFBitmap_CreateEx(bitmap_width, bitmap_height,
format, external_memory.data(),
bitmap_stride));
RenderPageToBitmapAndCheck(page, bitmap.get(), expected_checksum);
}
void RenderPageToBitmapAndCheck(FPDF_PAGE page,
FPDF_BITMAP bitmap,
const char* expected_checksum) {
int bitmap_width = FPDFBitmap_GetWidth(bitmap);
int bitmap_height = FPDFBitmap_GetHeight(bitmap);
EXPECT_EQ(bitmap_width, static_cast<int>(FPDF_GetPageWidth(page)));
EXPECT_EQ(bitmap_height, static_cast<int>(FPDF_GetPageHeight(page)));
ASSERT_TRUE(FPDFBitmap_FillRect(bitmap, 0, 0, bitmap_width, bitmap_height,
0xFFFFFFFF));
FPDF_RenderPageBitmap(bitmap, page, 0, 0, bitmap_width, bitmap_height, 0,
FPDF_ANNOT);
CompareBitmap(bitmap, bitmap_width, bitmap_height, expected_checksum);
}
};
// Test for conversion of a point in device coordinates to page coordinates
TEST_F(FPDFViewEmbedderTest, DeviceCoordinatesToPageCoordinates) {
ASSERT_TRUE(OpenDocument("about_blank.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
EXPECT_TRUE(page);
// Error tolerance for floating point comparison
const double kTolerance = 0.0001;
// Display bounds in device coordinates
int start_x = 0;
int start_y = 0;
int size_x = 640;
int size_y = 480;
// Page Orientation normal
int rotate = 0;
// Device coordinate to be converted
int device_x = 10;
int device_y = 10;
double page_x = 0.0;
double page_y = 0.0;
EXPECT_TRUE(FPDF_DeviceToPage(page.get(), start_x, start_y, size_x, size_y,
rotate, device_x, device_y, &page_x, &page_y));
EXPECT_NEAR(9.5625, page_x, kTolerance);
EXPECT_NEAR(775.5, page_y, kTolerance);
// Rotate 90 degrees clockwise
rotate = 1;
EXPECT_TRUE(FPDF_DeviceToPage(page.get(), start_x, start_y, size_x, size_y,
rotate, device_x, device_y, &page_x, &page_y));
EXPECT_NEAR(12.75, page_x, kTolerance);
EXPECT_NEAR(12.375, page_y, kTolerance);
// Rotate 180 degrees
rotate = 2;
EXPECT_TRUE(FPDF_DeviceToPage(page.get(), start_x, start_y, size_x, size_y,
rotate, device_x, device_y, &page_x, &page_y));
EXPECT_NEAR(602.4374, page_x, kTolerance);
EXPECT_NEAR(16.5, page_y, kTolerance);
// Rotate 90 degrees counter-clockwise
rotate = 3;
EXPECT_TRUE(FPDF_DeviceToPage(page.get(), start_x, start_y, size_x, size_y,
rotate, device_x, device_y, &page_x, &page_y));
EXPECT_NEAR(599.25, page_x, kTolerance);
EXPECT_NEAR(779.625, page_y, kTolerance);
// FPDF_DeviceToPage() converts |rotate| into legal rotation by taking
// modulo by 4. A value of 4 is expected to be converted into 0 (normal
// rotation)
rotate = 4;
EXPECT_TRUE(FPDF_DeviceToPage(page.get(), start_x, start_y, size_x, size_y,
rotate, device_x, device_y, &page_x, &page_y));
EXPECT_NEAR(9.5625, page_x, kTolerance);
EXPECT_NEAR(775.5, page_y, kTolerance);
// FPDF_DeviceToPage returns untransformed coordinates if |rotate| % 4 is
// negative.
rotate = -1;
EXPECT_TRUE(FPDF_DeviceToPage(page.get(), start_x, start_y, size_x, size_y,
rotate, device_x, device_y, &page_x, &page_y));
EXPECT_NEAR(device_x, page_x, kTolerance);
EXPECT_NEAR(device_y, page_y, kTolerance);
// Negative case - invalid page
page_x = 1234.0;
page_y = 5678.0;
EXPECT_FALSE(FPDF_DeviceToPage(nullptr, start_x, start_y, size_x, size_y,
rotate, device_x, device_y, &page_x, &page_y));
// Out parameters are expected to remain unchanged
EXPECT_NEAR(1234.0, page_x, kTolerance);
EXPECT_NEAR(5678.0, page_y, kTolerance);
// Negative case - invalid output parameters
EXPECT_FALSE(FPDF_DeviceToPage(page.get(), start_x, start_y, size_x, size_y,
rotate, device_x, device_y, nullptr, nullptr));
}
// Test for conversion of a point in page coordinates to device coordinates.
TEST_F(FPDFViewEmbedderTest, PageCoordinatesToDeviceCoordinates) {
ASSERT_TRUE(OpenDocument("about_blank.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
EXPECT_TRUE(page);
// Display bounds in device coordinates
int start_x = 0;
int start_y = 0;
int size_x = 640;
int size_y = 480;
// Page Orientation normal
int rotate = 0;
// Page coordinate to be converted
double page_x = 9.0;
double page_y = 775.0;
int device_x = 0;
int device_y = 0;
EXPECT_TRUE(FPDF_PageToDevice(page.get(), start_x, start_y, size_x, size_y,
rotate, page_x, page_y, &device_x, &device_y));
EXPECT_EQ(9, device_x);
EXPECT_EQ(10, device_y);
// Rotate 90 degrees clockwise
rotate = 1;
EXPECT_TRUE(FPDF_PageToDevice(page.get(), start_x, start_y, size_x, size_y,
rotate, page_x, page_y, &device_x, &device_y));
EXPECT_EQ(626, device_x);
EXPECT_EQ(7, device_y);
// Rotate 180 degrees
rotate = 2;
EXPECT_TRUE(FPDF_PageToDevice(page.get(), start_x, start_y, size_x, size_y,
rotate, page_x, page_y, &device_x, &device_y));
EXPECT_EQ(631, device_x);
EXPECT_EQ(470, device_y);
// Rotate 90 degrees counter-clockwise
rotate = 3;
EXPECT_TRUE(FPDF_PageToDevice(page.get(), start_x, start_y, size_x, size_y,
rotate, page_x, page_y, &device_x, &device_y));
EXPECT_EQ(14, device_x);
EXPECT_EQ(473, device_y);
// FPDF_PageToDevice() converts |rotate| into legal rotation by taking
// modulo by 4. A value of 4 is expected to be converted into 0 (normal
// rotation)
rotate = 4;
EXPECT_TRUE(FPDF_PageToDevice(page.get(), start_x, start_y, size_x, size_y,
rotate, page_x, page_y, &device_x, &device_y));
EXPECT_EQ(9, device_x);
EXPECT_EQ(10, device_y);
// FPDF_PageToDevice() returns untransformed coordinates if |rotate| % 4 is
// negative.
rotate = -1;
EXPECT_TRUE(FPDF_PageToDevice(page.get(), start_x, start_y, size_x, size_y,
rotate, page_x, page_y, &device_x, &device_y));
EXPECT_EQ(start_x, device_x);
EXPECT_EQ(start_y, device_y);
// Negative case - invalid page
device_x = 1234;
device_y = 5678;
EXPECT_FALSE(FPDF_PageToDevice(nullptr, start_x, start_y, size_x, size_y,
rotate, page_x, page_y, &device_x, &device_y));
// Out parameters are expected to remain unchanged
EXPECT_EQ(1234, device_x);
EXPECT_EQ(5678, device_y);
// Negative case - invalid output parameters
EXPECT_FALSE(FPDF_PageToDevice(page.get(), start_x, start_y, size_x, size_y,
rotate, page_x, page_y, nullptr, nullptr));
}
TEST_F(FPDFViewEmbedderTest, MultipleInitDestroy) {
FPDF_InitLibrary(); // Redundant given SetUp() in environment, but safe.
FPDF_InitLibrary(); // Doubly-redundant even, but safe.
ASSERT_TRUE(OpenDocument("about_blank.pdf"));
CloseDocument();
CloseDocument(); // Redundant given above, but safe.
CloseDocument(); // Doubly-redundant even, but safe.
FPDF_DestroyLibrary(); // Doubly-Redundant even, but safe.
FPDF_DestroyLibrary(); // Redundant given call to TearDown(), but safe.
EmbedderTestEnvironment::GetInstance()->TearDown();
EmbedderTestEnvironment::GetInstance()->SetUp();
}
TEST_F(FPDFViewEmbedderTest, RepeatedInitDestroy) {
for (int i = 0; i < 3; ++i) {
if (!OpenDocument("about_blank.pdf"))
ADD_FAILURE();
CloseDocument();
FPDF_DestroyLibrary();
FPDF_InitLibrary();
}
// Puts the test environment back the way it was.
EmbedderTestEnvironment::GetInstance()->TearDown();
EmbedderTestEnvironment::GetInstance()->SetUp();
}
TEST_F(FPDFViewEmbedderTest, Document) {
ASSERT_TRUE(OpenDocument("about_blank.pdf"));
EXPECT_EQ(1, GetPageCount());
EXPECT_EQ(0, GetFirstPageNum());
int version;
EXPECT_TRUE(FPDF_GetFileVersion(document(), &version));
EXPECT_EQ(14, version);
// 0xFFFFFFFF because no security handler present
EXPECT_EQ(0xFFFFFFFF, FPDF_GetDocPermissions(document()));
EXPECT_EQ(0xFFFFFFFF, FPDF_GetDocUserPermissions(document()));
EXPECT_EQ(-1, FPDF_GetSecurityHandlerRevision(document()));
CloseDocument();
// Safe to open again and do the same things all over again.
ASSERT_TRUE(OpenDocument("about_blank.pdf"));
EXPECT_EQ(1, GetPageCount());
EXPECT_EQ(0, GetFirstPageNum());
version = 42;
EXPECT_TRUE(FPDF_GetFileVersion(document(), &version));
EXPECT_EQ(14, version);
// 0xFFFFFFFF because no security handler present
EXPECT_EQ(0xFFFFFFFF, FPDF_GetDocPermissions(document()));
EXPECT_EQ(0xFFFFFFFF, FPDF_GetDocUserPermissions(document()));
EXPECT_EQ(-1, FPDF_GetSecurityHandlerRevision(document()));
// CloseDocument() called by TearDown().
}
TEST_F(FPDFViewEmbedderTest, LoadDocument64) {
std::string file_path = PathService::GetTestFilePath("about_blank.pdf");
ASSERT_FALSE(file_path.empty());
std::vector<uint8_t> file_contents = GetFileContents(file_path.c_str());
ASSERT_FALSE(file_contents.empty());
ScopedFPDFDocument doc(FPDF_LoadMemDocument64(file_contents.data(),
file_contents.size(), nullptr));
ASSERT_TRUE(doc);
int version;
EXPECT_TRUE(FPDF_GetFileVersion(doc.get(), &version));
EXPECT_EQ(14, version);
}
TEST_F(FPDFViewEmbedderTest, LoadNonexistentDocument) {
FPDF_DOCUMENT doc = FPDF_LoadDocument("nonexistent_document.pdf", "");
ASSERT_FALSE(doc);
EXPECT_EQ(static_cast<int>(FPDF_GetLastError()), FPDF_ERR_FILE);
}
TEST_F(FPDFViewEmbedderTest, DocumentWithNoPageCount) {
ASSERT_TRUE(OpenDocument("no_page_count.pdf"));
ASSERT_EQ(6, FPDF_GetPageCount(document()));
}
TEST_F(FPDFViewEmbedderTest, DocumentWithEmptyPageTreeNode) {
ASSERT_TRUE(OpenDocument("page_tree_empty_node.pdf"));
ASSERT_EQ(2, FPDF_GetPageCount(document()));
}
// See https://crbug.com/pdfium/465
TEST_F(FPDFViewEmbedderTest, EmptyDocument) {
CreateEmptyDocument();
{
int version = 42;
EXPECT_FALSE(FPDF_GetFileVersion(document(), &version));
EXPECT_EQ(0, version);
}
EXPECT_EQ(0U, FPDF_GetDocPermissions(document()));
EXPECT_EQ(-1, FPDF_GetSecurityHandlerRevision(document()));
EXPECT_EQ(0, FPDF_GetPageCount(document()));
EXPECT_TRUE(FPDF_VIEWERREF_GetPrintScaling(document()));
EXPECT_EQ(1, FPDF_VIEWERREF_GetNumCopies(document()));
EXPECT_EQ(DuplexUndefined, FPDF_VIEWERREF_GetDuplex(document()));
char buf[100];
EXPECT_EQ(0U, FPDF_VIEWERREF_GetName(document(), "foo", nullptr, 0));
EXPECT_EQ(0U, FPDF_VIEWERREF_GetName(document(), "foo", buf, sizeof(buf)));
EXPECT_EQ(0u, FPDF_CountNamedDests(document()));
}
TEST_F(FPDFViewEmbedderTest, SandboxDocument) {
uint16_t buf[200];
unsigned long len;
CreateEmptyDocument();
len = FPDF_GetMetaText(document(), "CreationDate", buf, sizeof(buf));
EXPECT_GT(len, 2u); // Not just "double NUL" end-of-string indicator.
EXPECT_NE(0u, buf[0]);
CloseDocument();
FPDF_SetSandBoxPolicy(FPDF_POLICY_MACHINETIME_ACCESS, false);
CreateEmptyDocument();
len = FPDF_GetMetaText(document(), "CreationDate", buf, sizeof(buf));
EXPECT_EQ(2u, len); // Only a "double NUL" end-of-string indicator.
EXPECT_EQ(0u, buf[0]);
CloseDocument();
static constexpr unsigned long kNoSuchPolicy = 102;
FPDF_SetSandBoxPolicy(kNoSuchPolicy, true);
CreateEmptyDocument();
len = FPDF_GetMetaText(document(), "CreationDate", buf, sizeof(buf));
EXPECT_EQ(2u, len); // Only a "double NUL" end-of-string indicator.
EXPECT_EQ(0u, buf[0]);
CloseDocument();
FPDF_SetSandBoxPolicy(FPDF_POLICY_MACHINETIME_ACCESS, true);
CreateEmptyDocument();
len = FPDF_GetMetaText(document(), "CreationDate", buf, sizeof(buf));
EXPECT_GT(len, 2u); // Not just "double NUL" end-of-string indicator.
EXPECT_NE(0u, buf[0]);
CloseDocument();
}
TEST_F(FPDFViewEmbedderTest, LinearizedDocument) {
ASSERT_TRUE(OpenDocumentLinearized("feature_linearized_loading.pdf"));
int version;
EXPECT_TRUE(FPDF_GetFileVersion(document(), &version));
EXPECT_EQ(16, version);
}
TEST_F(FPDFViewEmbedderTest, LoadCustomDocumentWithoutFileAccess) {
EXPECT_FALSE(FPDF_LoadCustomDocument(nullptr, ""));
}
// See https://crbug.com/pdfium/1261
TEST_F(FPDFViewEmbedderTest, LoadCustomDocumentWithShortLivedFileAccess) {
std::string file_contents_string; // Must outlive |doc|.
ScopedFPDFDocument doc;
{
// Read a PDF, and copy it into |file_contents_string|.
std::string pdf_path = PathService::GetTestFilePath("rectangles.pdf");
ASSERT_FALSE(pdf_path.empty());
std::vector<uint8_t> file_contents = GetFileContents(pdf_path.c_str());
ASSERT_FALSE(file_contents.empty());
std::copy(file_contents.begin(), file_contents.end(),
std::back_inserter(file_contents_string));
// Define a FPDF_FILEACCESS object that will go out of scope, while the
// loaded document in |doc| remains valid.
FPDF_FILEACCESS file_access = {};
file_access.m_FileLen = file_contents_string.size();
file_access.m_GetBlock = GetBlockFromString;
file_access.m_Param = &file_contents_string;
doc.reset(FPDF_LoadCustomDocument(&file_access, nullptr));
ASSERT_TRUE(doc);
}
// Now try to access |doc| and make sure it still works.
ScopedFPDFPage page(FPDF_LoadPage(doc.get(), 0));
ASSERT_TRUE(page);
EXPECT_FLOAT_EQ(200.0f, FPDF_GetPageWidthF(page.get()));
EXPECT_FLOAT_EQ(300.0f, FPDF_GetPageHeightF(page.get()));
}
TEST_F(FPDFViewEmbedderTest, Page) {
ASSERT_TRUE(OpenDocument("about_blank.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
EXPECT_TRUE(page);
EXPECT_FLOAT_EQ(612.0f, FPDF_GetPageWidthF(page.get()));
EXPECT_FLOAT_EQ(792.0f, FPDF_GetPageHeightF(page.get()));
FS_RECTF rect;
EXPECT_TRUE(FPDF_GetPageBoundingBox(page.get(), &rect));
EXPECT_EQ(0.0, rect.left);
EXPECT_EQ(0.0, rect.bottom);
EXPECT_EQ(612.0, rect.right);
EXPECT_EQ(792.0, rect.top);
// Null arguments return errors rather than crashing,
EXPECT_EQ(0.0, FPDF_GetPageWidth(nullptr));
EXPECT_EQ(0.0, FPDF_GetPageHeight(nullptr));
EXPECT_FALSE(FPDF_GetPageBoundingBox(nullptr, &rect));
EXPECT_FALSE(FPDF_GetPageBoundingBox(page.get(), nullptr));
EXPECT_FALSE(LoadScopedPage(1));
}
TEST_F(FPDFViewEmbedderTest, ViewerRefDummy) {
ASSERT_TRUE(OpenDocument("about_blank.pdf"));
EXPECT_TRUE(FPDF_VIEWERREF_GetPrintScaling(document()));
EXPECT_EQ(1, FPDF_VIEWERREF_GetNumCopies(document()));
EXPECT_EQ(DuplexUndefined, FPDF_VIEWERREF_GetDuplex(document()));
char buf[100];
EXPECT_EQ(0U, FPDF_VIEWERREF_GetName(document(), "foo", nullptr, 0));
EXPECT_EQ(0U, FPDF_VIEWERREF_GetName(document(), "foo", buf, sizeof(buf)));
FPDF_PAGERANGE page_range = FPDF_VIEWERREF_GetPrintPageRange(document());
EXPECT_FALSE(page_range);
EXPECT_EQ(0U, FPDF_VIEWERREF_GetPrintPageRangeCount(page_range));
EXPECT_EQ(-1, FPDF_VIEWERREF_GetPrintPageRangeElement(page_range, 0));
EXPECT_EQ(-1, FPDF_VIEWERREF_GetPrintPageRangeElement(page_range, 1));
}
TEST_F(FPDFViewEmbedderTest, ViewerRef) {
ASSERT_TRUE(OpenDocument("viewer_ref.pdf"));
EXPECT_TRUE(FPDF_VIEWERREF_GetPrintScaling(document()));
EXPECT_EQ(5, FPDF_VIEWERREF_GetNumCopies(document()));
EXPECT_EQ(DuplexUndefined, FPDF_VIEWERREF_GetDuplex(document()));
// Test some corner cases.
char buf[100];
EXPECT_EQ(0U, FPDF_VIEWERREF_GetName(document(), "", buf, sizeof(buf)));
EXPECT_EQ(0U, FPDF_VIEWERREF_GetName(document(), "foo", nullptr, 0));
EXPECT_EQ(0U, FPDF_VIEWERREF_GetName(document(), "foo", buf, sizeof(buf)));
// Make sure |buf| does not get written into when it appears to be too small.
// NOLINTNEXTLINE(runtime/printf)
strcpy(buf, "ABCD");
EXPECT_EQ(4U, FPDF_VIEWERREF_GetName(document(), "Foo", buf, 1));
EXPECT_STREQ("ABCD", buf);
// Note "Foo" is a different key from "foo".
EXPECT_EQ(4U, FPDF_VIEWERREF_GetName(document(), "Foo", nullptr, 0));
ASSERT_EQ(4U, FPDF_VIEWERREF_GetName(document(), "Foo", buf, sizeof(buf)));
EXPECT_STREQ("foo", buf);
// Try to retrieve a boolean and an integer.
EXPECT_EQ(
0U, FPDF_VIEWERREF_GetName(document(), "HideToolbar", buf, sizeof(buf)));
EXPECT_EQ(0U,
FPDF_VIEWERREF_GetName(document(), "NumCopies", buf, sizeof(buf)));
// Try more valid cases.
ASSERT_EQ(4U,
FPDF_VIEWERREF_GetName(document(), "Direction", buf, sizeof(buf)));
EXPECT_STREQ("R2L", buf);
ASSERT_EQ(8U,
FPDF_VIEWERREF_GetName(document(), "ViewArea", buf, sizeof(buf)));
EXPECT_STREQ("CropBox", buf);
FPDF_PAGERANGE page_range = FPDF_VIEWERREF_GetPrintPageRange(document());
EXPECT_TRUE(page_range);
EXPECT_EQ(4U, FPDF_VIEWERREF_GetPrintPageRangeCount(page_range));
EXPECT_EQ(0, FPDF_VIEWERREF_GetPrintPageRangeElement(page_range, 0));
EXPECT_EQ(2, FPDF_VIEWERREF_GetPrintPageRangeElement(page_range, 1));
EXPECT_EQ(4, FPDF_VIEWERREF_GetPrintPageRangeElement(page_range, 2));
EXPECT_EQ(4, FPDF_VIEWERREF_GetPrintPageRangeElement(page_range, 3));
EXPECT_EQ(-1, FPDF_VIEWERREF_GetPrintPageRangeElement(page_range, 4));
}
TEST_F(FPDFViewEmbedderTest, NamedDests) {
ASSERT_TRUE(OpenDocument("named_dests.pdf"));
EXPECT_EQ(6u, FPDF_CountNamedDests(document()));
long buffer_size;
char fixed_buffer[512];
FPDF_DEST dest;
// Query the size of the first item.
buffer_size = 2000000; // Absurdly large, check not used for this case.
dest = FPDF_GetNamedDest(document(), 0, nullptr, &buffer_size);
EXPECT_TRUE(dest);
EXPECT_EQ(12, buffer_size);
// Try to retrieve the first item with too small a buffer.
buffer_size = 10;
dest = FPDF_GetNamedDest(document(), 0, fixed_buffer, &buffer_size);
EXPECT_TRUE(dest);
EXPECT_EQ(-1, buffer_size);
// Try to retrieve the first item with correctly sized buffer. Item is
// taken from Dests NameTree in named_dests.pdf.
buffer_size = 12;
dest = FPDF_GetNamedDest(document(), 0, fixed_buffer, &buffer_size);
EXPECT_TRUE(dest);
EXPECT_EQ(12, buffer_size);
EXPECT_EQ("First",
GetPlatformString(reinterpret_cast<FPDF_WIDESTRING>(fixed_buffer)));
// Try to retrieve the second item with ample buffer. Item is taken
// from Dests NameTree but has a sub-dictionary in named_dests.pdf.
buffer_size = sizeof(fixed_buffer);
dest = FPDF_GetNamedDest(document(), 1, fixed_buffer, &buffer_size);
EXPECT_TRUE(dest);
EXPECT_EQ(10, buffer_size);
EXPECT_EQ("Next",
GetPlatformString(reinterpret_cast<FPDF_WIDESTRING>(fixed_buffer)));
// Try to retrieve third item with ample buffer. Item is taken
// from Dests NameTree but has a bad sub-dictionary in named_dests.pdf.
// in named_dests.pdf).
buffer_size = sizeof(fixed_buffer);
dest = FPDF_GetNamedDest(document(), 2, fixed_buffer, &buffer_size);
EXPECT_FALSE(dest);
EXPECT_EQ(sizeof(fixed_buffer),
static_cast<size_t>(buffer_size)); // unmodified.
// Try to retrieve the forth item with ample buffer. Item is taken
// from Dests NameTree but has a vale of the wrong type in named_dests.pdf.
buffer_size = sizeof(fixed_buffer);
dest = FPDF_GetNamedDest(document(), 3, fixed_buffer, &buffer_size);
EXPECT_FALSE(dest);
EXPECT_EQ(sizeof(fixed_buffer),
static_cast<size_t>(buffer_size)); // unmodified.
// Try to retrieve fifth item with ample buffer. Item taken from the
// old-style Dests dictionary object in named_dests.pdf.
buffer_size = sizeof(fixed_buffer);
dest = FPDF_GetNamedDest(document(), 4, fixed_buffer, &buffer_size);
EXPECT_TRUE(dest);
EXPECT_EQ(30, buffer_size);
EXPECT_EQ(kFirstAlternate,
GetPlatformString(reinterpret_cast<FPDF_WIDESTRING>(fixed_buffer)));
// Try to retrieve sixth item with ample buffer. Item istaken from the
// old-style Dests dictionary object but has a sub-dictionary in
// named_dests.pdf.
buffer_size = sizeof(fixed_buffer);
dest = FPDF_GetNamedDest(document(), 5, fixed_buffer, &buffer_size);
EXPECT_TRUE(dest);
EXPECT_EQ(28, buffer_size);
EXPECT_EQ(kLastAlternate,
GetPlatformString(reinterpret_cast<FPDF_WIDESTRING>(fixed_buffer)));
// Try to retrieve non-existent item with ample buffer.
buffer_size = sizeof(fixed_buffer);
dest = FPDF_GetNamedDest(document(), 6, fixed_buffer, &buffer_size);
EXPECT_FALSE(dest);
EXPECT_EQ(sizeof(fixed_buffer),
static_cast<size_t>(buffer_size)); // unmodified.
// Try to underflow/overflow the integer index.
buffer_size = sizeof(fixed_buffer);
dest = FPDF_GetNamedDest(document(), std::numeric_limits<int>::max(),
fixed_buffer, &buffer_size);
EXPECT_FALSE(dest);
EXPECT_EQ(sizeof(fixed_buffer),
static_cast<size_t>(buffer_size)); // unmodified.
buffer_size = sizeof(fixed_buffer);
dest = FPDF_GetNamedDest(document(), std::numeric_limits<int>::min(),
fixed_buffer, &buffer_size);
EXPECT_FALSE(dest);
EXPECT_EQ(sizeof(fixed_buffer),
static_cast<size_t>(buffer_size)); // unmodified.
buffer_size = sizeof(fixed_buffer);
dest = FPDF_GetNamedDest(document(), -1, fixed_buffer, &buffer_size);
EXPECT_FALSE(dest);
EXPECT_EQ(sizeof(fixed_buffer),
static_cast<size_t>(buffer_size)); // unmodified.
}
TEST_F(FPDFViewEmbedderTest, NamedDestsByName) {
ASSERT_TRUE(OpenDocument("named_dests.pdf"));
// Null pointer returns nullptr.
FPDF_DEST dest = FPDF_GetNamedDestByName(document(), nullptr);
EXPECT_FALSE(dest);
// Empty string returns nullptr.
dest = FPDF_GetNamedDestByName(document(), "");
EXPECT_FALSE(dest);
// Item from Dests NameTree.
dest = FPDF_GetNamedDestByName(document(), "First");
EXPECT_TRUE(dest);
long ignore_len = 0;
FPDF_DEST dest_by_index =
FPDF_GetNamedDest(document(), 0, nullptr, &ignore_len);
EXPECT_EQ(dest_by_index, dest);
// Item from Dests dictionary.
dest = FPDF_GetNamedDestByName(document(), kFirstAlternate);
EXPECT_TRUE(dest);
ignore_len = 0;
dest_by_index = FPDF_GetNamedDest(document(), 4, nullptr, &ignore_len);
EXPECT_EQ(dest_by_index, dest);
// Bad value type for item from Dests NameTree array.
dest = FPDF_GetNamedDestByName(document(), "WrongType");
EXPECT_FALSE(dest);
// No such destination in either Dest NameTree or dictionary.
dest = FPDF_GetNamedDestByName(document(), "Bogus");
EXPECT_FALSE(dest);
}
TEST_F(FPDFViewEmbedderTest, NamedDestsOldStyle) {
ASSERT_TRUE(OpenDocument("named_dests_old_style.pdf"));
EXPECT_EQ(2u, FPDF_CountNamedDests(document()));
// Test bad parameters.
EXPECT_FALSE(FPDF_GetNamedDestByName(document(), nullptr));
EXPECT_FALSE(FPDF_GetNamedDestByName(document(), ""));
EXPECT_FALSE(FPDF_GetNamedDestByName(document(), "NoSuchName"));
// These should return a valid destination.
EXPECT_TRUE(FPDF_GetNamedDestByName(document(), kFirstAlternate));
EXPECT_TRUE(FPDF_GetNamedDestByName(document(), kLastAlternate));
char buffer[512];
static constexpr long kBufferSize = sizeof(buffer);
long size = kBufferSize;
// Test bad indices.
EXPECT_FALSE(FPDF_GetNamedDest(document(), -1, buffer, &size));
EXPECT_EQ(kBufferSize, size);
size = kBufferSize;
EXPECT_FALSE(FPDF_GetNamedDest(document(), 2, buffer, &size));
EXPECT_EQ(kBufferSize, size);
// These should return a valid destination.
size = kBufferSize;
ASSERT_TRUE(FPDF_GetNamedDest(document(), 0, buffer, &size));
ASSERT_EQ(static_cast<int>(sizeof(kFirstAlternate) * 2), size);
EXPECT_EQ(kFirstAlternate,
GetPlatformString(reinterpret_cast<FPDF_WIDESTRING>(buffer)));
size = kBufferSize;
ASSERT_TRUE(FPDF_GetNamedDest(document(), 1, buffer, &size));
ASSERT_EQ(static_cast<int>(sizeof(kLastAlternate) * 2), size);
EXPECT_EQ(kLastAlternate,
GetPlatformString(reinterpret_cast<FPDF_WIDESTRING>(buffer)));
}
// The following tests pass if the document opens without crashing.
TEST_F(FPDFViewEmbedderTest, Crasher113) {
ASSERT_TRUE(OpenDocument("bug_113.pdf"));
}
TEST_F(FPDFViewEmbedderTest, Crasher451830) {
// Document is damaged and can't be opened.
EXPECT_FALSE(OpenDocument("bug_451830.pdf"));
}
TEST_F(FPDFViewEmbedderTest, Crasher452455) {
ASSERT_TRUE(OpenDocument("bug_452455.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
EXPECT_TRUE(page);
}
TEST_F(FPDFViewEmbedderTest, Crasher454695) {
// Document is damaged and can't be opened.
EXPECT_FALSE(OpenDocument("bug_454695.pdf"));
}
TEST_F(FPDFViewEmbedderTest, Crasher572871) {
ASSERT_TRUE(OpenDocument("bug_572871.pdf"));
}
// It tests that document can still be loaded even the trailer has no 'Size'
// field if other information is right.
TEST_F(FPDFViewEmbedderTest, Failed213) {
ASSERT_TRUE(OpenDocument("bug_213.pdf"));
}
// The following tests pass if the document opens without infinite looping.
TEST_F(FPDFViewEmbedderTest, Hang298) {
EXPECT_FALSE(OpenDocument("bug_298.pdf"));
}
TEST_F(FPDFViewEmbedderTest, Crasher773229) {
ASSERT_TRUE(OpenDocument("bug_773229.pdf"));
}
// Test if the document opens without infinite looping.
// Previously this test will hang in a loop inside LoadAllCrossRefV4. After
// the fix, LoadAllCrossRefV4 will return false after detecting a cross
// reference loop. Cross references will be rebuilt successfully.
TEST_F(FPDFViewEmbedderTest, CrossRefV4Loop) {
ASSERT_TRUE(OpenDocument("bug_xrefv4_loop.pdf"));
MockDownloadHints hints;
// Make sure calling FPDFAvail_IsDocAvail() on this file does not infinite
// loop either. See bug 875.
int ret = PDF_DATA_NOTAVAIL;
while (ret == PDF_DATA_NOTAVAIL)
ret = FPDFAvail_IsDocAvail(avail(), &hints);
EXPECT_EQ(PDF_DATA_AVAIL, ret);
}
// The test should pass when circular references to ParseIndirectObject will not
// cause infinite loop.
TEST_F(FPDFViewEmbedderTest, Hang343) {
EXPECT_FALSE(OpenDocument("bug_343.pdf"));
}
// The test should pass when the absence of 'Contents' field in a signature
// dictionary will not cause an infinite loop in CPDF_SyntaxParser::GetObject().
TEST_F(FPDFViewEmbedderTest, Hang344) {
EXPECT_FALSE(OpenDocument("bug_344.pdf"));
}
// The test should pass when there is no infinite recursion in
// CPDF_SyntaxParser::GetString().
TEST_F(FPDFViewEmbedderTest, Hang355) {
EXPECT_FALSE(OpenDocument("bug_355.pdf"));
}
// The test should pass even when the file has circular references to pages.
TEST_F(FPDFViewEmbedderTest, Hang360) {
EXPECT_FALSE(OpenDocument("bug_360.pdf"));
}
// Deliberately damaged version of linearized.pdf with bad data in the shared
// object hint table.
TEST_F(FPDFViewEmbedderTest, Hang1055) {
ASSERT_TRUE(OpenDocumentLinearized("linearized_bug_1055.pdf"));
int version;
EXPECT_TRUE(FPDF_GetFileVersion(document(), &version));
EXPECT_EQ(16, version);
}
TEST_F(FPDFViewEmbedderTest, FPDFRenderPageBitmapWithMatrix) {
const char* clipped_checksum = []() {
if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
return "d2929fae285593cd1c1d446750d47d60";
}
return "a84cab93c102b9b9290fba3047ba702c";
}();
const char* top_left_quarter_checksum = []() {
if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
return "31d24d8c6a2bac380b2f5c393e77ecc9";
}
return "f11a11137c8834389e31cf555a4a6979";
}();
const char* rotated_90_clockwise_checksum = []() {
if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
return "b4baa001d201baed576cd6d5d0d5a160";
}
return "d8da2c7bf77521550d0f2752b9cf3482";
}();
const char* rotated_180_clockwise_checksum = []() {
if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
return "51819227d0863222aed366d5d7c5d9c8";
}
return "0113386bb0bd45125bacc6dee78bfe78";
}();
const char* rotated_270_clockwise_checksum = []() {
if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
return "f2b046e46c2751cebc777a9725ae2f3e";
}
return "a287e0f74ce203699cda89f9cc97a240";
}();
const char* mirror_hori_checksum = []() {
if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
return "c7fbec322b4fc6bcf46ec1eb89661c41";
}
return "6e8d7a6fde39d8e720fb9e620102918c";
}();
const char* mirror_vert_checksum = []() {
if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
return "a8b00bc40677a73c15a08b9769d1b576";
}
return "8f3a555ef9c0d5031831ae3715273707";
}();
const char* larger_top_left_quarter_checksum = []() {
if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
return "35deb5ed4b73675ce33f68328a33c687";
}
return "172a2f4adafbadbe98017b1c025b9e27";
}();
const char* larger_rotated_diagonal_checksum = []() {
if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
return "a7179bc24e329341a1a1f6d6be20a1e9";
}
return "3d62417468bdaff0eb14391a0c30a3b1";
}();
const char* tile_checksum = []() {
if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
return "387be3a84774f39aaa955314d2fe7106";
}
return "0a190003c97220bf8877684c8d7e89cf";
}();
const char kHoriStretchedChecksum[] = "48ef9205941ed19691ccfa00d717187e";
const char kLargerChecksum[] = "c806145641c3e6fc4e022c7065343749";
const char kLargerClippedChecksum[] = "091d3b1c7933c8f6945eb2cb41e588e9";
const char kLargerRotatedChecksum[] = "115f13353ebfc82ddb392d1f0059eb12";
const char kLargerRotatedLandscapeChecksum[] =
"c901239d17d84ac84cb6f2124da71b0d";
ASSERT_TRUE(OpenDocument("rectangles.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
ASSERT_TRUE(page);
const float page_width = FPDF_GetPageWidthF(page.get());
const float page_height = FPDF_GetPageHeightF(page.get());
EXPECT_FLOAT_EQ(200, page_width);
EXPECT_FLOAT_EQ(300, page_height);
using pdfium::RectanglesChecksum;
ScopedFPDFBitmap bitmap = RenderLoadedPage(page.get());
CompareBitmap(bitmap.get(), page_width, page_height, RectanglesChecksum());
FS_RECTF page_rect{0, 0, page_width, page_height};
// Try rendering with an identity matrix. The output should be the same as
// the RenderLoadedPage() output.
FS_MATRIX identity_matrix{1, 0, 0, 1, 0, 0};
TestRenderPageBitmapWithMatrix(page.get(), page_width, page_height,
identity_matrix, page_rect,
RectanglesChecksum());
// Again render with an identity matrix but with a smaller clipping rect.
FS_RECTF middle_of_page_rect{page_width / 4, page_height / 4,
page_width * 3 / 4, page_height * 3 / 4};
TestRenderPageBitmapWithMatrix(page.get(), page_width, page_height,
identity_matrix, middle_of_page_rect,
clipped_checksum);
// Now render again with the image scaled smaller.
FS_MATRIX half_scale_matrix{0.5, 0, 0, 0.5, 0, 0};
TestRenderPageBitmapWithMatrix(page.get(), page_width, page_height,
half_scale_matrix, page_rect,
top_left_quarter_checksum);
// Now render again with the image scaled larger horizontally (the right half
// will be clipped).
FS_MATRIX stretch_x_matrix{2, 0, 0, 1, 0, 0};
TestRenderPageBitmapWithMatrix(page.get(), page_width, page_height,
stretch_x_matrix, page_rect,
kHoriStretchedChecksum);
// Try a 90 degree rotation clockwise but with the same bitmap size, so part
// will be clipped.
FS_MATRIX rotate_90_matrix{0, 1, -1, 0, page_width, 0};
TestRenderPageBitmapWithMatrix(page.get(), page_width, page_height,
rotate_90_matrix, page_rect,
rotated_90_clockwise_checksum);
// 180 degree rotation clockwise.
FS_MATRIX rotate_180_matrix{-1, 0, 0, -1, page_width, page_height};
TestRenderPageBitmapWithMatrix(page.get(), page_width, page_height,
rotate_180_matrix, page_rect,
rotated_180_clockwise_checksum);
// 270 degree rotation clockwise.
FS_MATRIX rotate_270_matrix{0, -1, 1, 0, 0, page_width};
TestRenderPageBitmapWithMatrix(page.get(), page_width, page_height,
rotate_270_matrix, page_rect,
rotated_270_clockwise_checksum);
// Mirror horizontally.
FS_MATRIX mirror_hori_matrix{-1, 0, 0, 1, page_width, 0};
TestRenderPageBitmapWithMatrix(page.get(), page_width, page_height,
mirror_hori_matrix, page_rect,
mirror_hori_checksum);
// Mirror vertically.
FS_MATRIX mirror_vert_matrix{1, 0, 0, -1, 0, page_height};
TestRenderPageBitmapWithMatrix(page.get(), page_width, page_height,
mirror_vert_matrix, page_rect,
mirror_vert_checksum);
// Tests rendering to a larger bitmap
const float bitmap_width = page_width * 2;
const float bitmap_height = page_height * 2;
// Render using an identity matrix and the whole bitmap area as clipping rect.
FS_RECTF bitmap_rect{0, 0, bitmap_width, bitmap_height};
TestRenderPageBitmapWithMatrix(page.get(), bitmap_width, bitmap_height,
identity_matrix, bitmap_rect,
larger_top_left_quarter_checksum);
// Render using a scaling matrix to fill the larger bitmap.
FS_MATRIX double_scale_matrix{2, 0, 0, 2, 0, 0};
TestRenderPageBitmapWithMatrix(page.get(), bitmap_width, bitmap_height,
double_scale_matrix, bitmap_rect,
kLargerChecksum);
// Render the larger image again but with clipping.
FS_RECTF middle_of_bitmap_rect{bitmap_width / 4, bitmap_height / 4,
bitmap_width * 3 / 4, bitmap_height * 3 / 4};
TestRenderPageBitmapWithMatrix(page.get(), bitmap_width, bitmap_height,
double_scale_matrix, middle_of_bitmap_rect,
kLargerClippedChecksum);
// On the larger bitmap, try a 90 degree rotation but with the same bitmap
// size, so part will be clipped.
FS_MATRIX rotate_90_scale_2_matrix{0, 2, -2, 0, bitmap_width, 0};
TestRenderPageBitmapWithMatrix(page.get(), bitmap_width, bitmap_height,
rotate_90_scale_2_matrix, bitmap_rect,
kLargerRotatedChecksum);
// On the larger bitmap, apply 90 degree rotation to a bitmap with the
// appropriate dimensions.
const float landscape_bitmap_width = bitmap_height;
const float landscape_bitmap_height = bitmap_width;
FS_RECTF landscape_bitmap_rect{0, 0, landscape_bitmap_width,
landscape_bitmap_height};
FS_MATRIX landscape_rotate_90_scale_2_matrix{
0, 2, -2, 0, landscape_bitmap_width, 0};
TestRenderPageBitmapWithMatrix(
page.get(), landscape_bitmap_width, landscape_bitmap_height,
landscape_rotate_90_scale_2_matrix, landscape_bitmap_rect,
kLargerRotatedLandscapeChecksum);
// On the larger bitmap, apply 45 degree rotation to a bitmap with the
// appropriate dimensions.
const float sqrt2 = 1.41421356f;
const float diagonal_bitmap_size =
ceil((bitmap_width + bitmap_height) / sqrt2);
FS_RECTF diagonal_bitmap_rect{0, 0, diagonal_bitmap_size,
diagonal_bitmap_size};
FS_MATRIX rotate_45_scale_2_matrix{
sqrt2, sqrt2, -sqrt2, sqrt2, bitmap_height / sqrt2, 0};
TestRenderPageBitmapWithMatrix(page.get(), diagonal_bitmap_size,
diagonal_bitmap_size, rotate_45_scale_2_matrix,
diagonal_bitmap_rect,
larger_rotated_diagonal_checksum);
// Render the (2, 1) tile of the page (third column, second row) when the page
// is divided in 50x50 pixel tiles. The tile is scaled by a factor of 7.
const float scale = 7.0;
const int tile_size = 50;
const int tile_x = 2;
const int tile_y = 1;
float tile_bitmap_size = scale * tile_size;
FS_RECTF tile_bitmap_rect{0, 0, tile_bitmap_size, tile_bitmap_size};
FS_MATRIX tile_2_1_matrix{scale,
0,
0,
scale,
-tile_x * tile_bitmap_size,
-tile_y * tile_bitmap_size};
TestRenderPageBitmapWithMatrix(page.get(), tile_bitmap_size, tile_bitmap_size,
tile_2_1_matrix, tile_bitmap_rect,
tile_checksum);
}
TEST_F(FPDFViewEmbedderTest, FPDFGetPageSizeByIndexF) {
ASSERT_TRUE(OpenDocument("rectangles.pdf"));
FS_SIZEF size;
EXPECT_FALSE(FPDF_GetPageSizeByIndexF(nullptr, 0, &size));
EXPECT_FALSE(FPDF_GetPageSizeByIndexF(document(), 0, nullptr));
// Page -1 doesn't exist.
EXPECT_FALSE(FPDF_GetPageSizeByIndexF(document(), -1, &size));
// Page 1 doesn't exist.
EXPECT_FALSE(FPDF_GetPageSizeByIndexF(document(), 1, &size));
// Page 0 exists.
EXPECT_TRUE(FPDF_GetPageSizeByIndexF(document(), 0, &size));
EXPECT_FLOAT_EQ(200.0f, size.width);
EXPECT_FLOAT_EQ(300.0f, size.height);
CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document());
#ifdef PDF_ENABLE_XFA
// TODO(tsepez): XFA must obtain this size without parsing.
EXPECT_EQ(1u, pDoc->GetParsedPageCountForTesting());
#else // PDF_ENABLE_XFA
EXPECT_EQ(0u, pDoc->GetParsedPageCountForTesting());
#endif // PDF_ENABLE_XFA
// Double-check against values from when page is actually parsed.
ScopedEmbedderTestPage page = LoadScopedPage(0);
ASSERT_TRUE(page);
EXPECT_FLOAT_EQ(size.width, FPDF_GetPageWidthF(page.get()));
EXPECT_FLOAT_EQ(size.height, FPDF_GetPageHeightF(page.get()));
EXPECT_EQ(1u, pDoc->GetParsedPageCountForTesting());
}
TEST_F(FPDFViewEmbedderTest, FPDFGetPageSizeByIndex) {
ASSERT_TRUE(OpenDocument("rectangles.pdf"));
double width = 0;
double height = 0;
EXPECT_FALSE(FPDF_GetPageSizeByIndex(nullptr, 0, &width, &height));
EXPECT_FALSE(FPDF_GetPageSizeByIndex(document(), 0, nullptr, &height));
EXPECT_FALSE(FPDF_GetPageSizeByIndex(document(), 0, &width, nullptr));
// Page -1 doesn't exist.
EXPECT_FALSE(FPDF_GetPageSizeByIndex(document(), -1, &width, &height));
// Page 1 doesn't exist.
EXPECT_FALSE(FPDF_GetPageSizeByIndex(document(), 1, &width, &height));
// Page 0 exists.
EXPECT_TRUE(FPDF_GetPageSizeByIndex(document(), 0, &width, &height));
EXPECT_EQ(200.0, width);
EXPECT_EQ(300.0, height);
CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document());
#ifdef PDF_ENABLE_XFA
// TODO(tsepez): XFA must obtain this size without parsing.
EXPECT_EQ(1u, pDoc->GetParsedPageCountForTesting());
#else // PDF_ENABLE_XFA
EXPECT_EQ(0u, pDoc->GetParsedPageCountForTesting());
#endif // PDF_ENABLE_XFA
// Double-check against values from when page is actually parsed.
ScopedEmbedderTestPage page = LoadScopedPage(0);
ASSERT_TRUE(page);
EXPECT_EQ(width, FPDF_GetPageWidth(page.get()));
EXPECT_EQ(height, FPDF_GetPageHeight(page.get()));
EXPECT_EQ(1u, pDoc->GetParsedPageCountForTesting());
}
TEST_F(FPDFViewEmbedderTest, GetXFAArrayData) {
static constexpr struct {
int index;
const char* name;
size_t content_length;
const char* content_checksum;
} kTestCases[]{
{0, "preamble", 124u, "71be364e53292596412242bfcdb46eab"},
{1, "config", 642u, "bcd1ca1d420ee31a561273a54a06435f"},
{2, "template", 541u, "0f48cb2fa1bb9cbf9eee802d66e81bf4"},
{3, "localeSet", 3455u, "bb1f253d3e5c719ac0da87d055bc164e"},
{4, "postamble", 11u, "6b79e25da35d86634ea27c38f64cf243"},
};
ASSERT_TRUE(OpenDocument("simple_xfa.pdf"));
ASSERT_EQ(static_cast<int>(std::size(kTestCases)),
FPDF_GetXFAPacketCount(document()));
for (const auto& testcase : kTestCases) {
char name_buffer[20] = {};
ASSERT_EQ(strlen(testcase.name) + 1,
FPDF_GetXFAPacketName(document(), testcase.index, nullptr, 0));
EXPECT_EQ(strlen(testcase.name) + 1,
FPDF_GetXFAPacketName(document(), testcase.index, name_buffer,
sizeof(name_buffer)));
EXPECT_STREQ(testcase.name, name_buffer);
unsigned long buflen;
ASSERT_TRUE(FPDF_GetXFAPacketContent(document(), testcase.index, nullptr, 0,
&buflen));
ASSERT_EQ(testcase.content_length, buflen);
std::vector<uint8_t> data_buffer(buflen);
EXPECT_TRUE(FPDF_GetXFAPacketContent(document(), testcase.index,
data_buffer.data(), data_buffer.size(),
&buflen));
EXPECT_EQ(testcase.content_length, buflen);
EXPECT_EQ(testcase.content_checksum, GenerateMD5Base16(data_buffer));
}
// Test bad parameters.
EXPECT_EQ(-1, FPDF_GetXFAPacketCount(nullptr));
EXPECT_EQ(0u, FPDF_GetXFAPacketName(nullptr, 0, nullptr, 0));
EXPECT_EQ(0u, FPDF_GetXFAPacketName(document(), -1, nullptr, 0));
EXPECT_EQ(
0u, FPDF_GetXFAPacketName(document(), std::size(kTestCases), nullptr, 0));
unsigned long buflen = 123;
EXPECT_FALSE(FPDF_GetXFAPacketContent(nullptr, 0, nullptr, 0, &buflen));
EXPECT_EQ(123u, buflen);
EXPECT_FALSE(FPDF_GetXFAPacketContent(document(), -1, nullptr, 0, &buflen));
EXPECT_EQ(123u, buflen);
EXPECT_FALSE(FPDF_GetXFAPacketContent(document(), std::size(kTestCases),
nullptr, 0, &buflen));
EXPECT_EQ(123u, buflen);
EXPECT_FALSE(FPDF_GetXFAPacketContent(document(), 0, nullptr, 0, nullptr));
}
TEST_F(FPDFViewEmbedderTest, GetXFAStreamData) {
ASSERT_TRUE(OpenDocument("bug_1265.pdf"));
ASSERT_EQ(1, FPDF_GetXFAPacketCount(document()));
char name_buffer[20] = {};
ASSERT_EQ(1u, FPDF_GetXFAPacketName(document(), 0, nullptr, 0));
EXPECT_EQ(1u, FPDF_GetXFAPacketName(document(), 0, name_buffer,
sizeof(name_buffer)));
EXPECT_STREQ("", name_buffer);
unsigned long buflen;
ASSERT_TRUE(FPDF_GetXFAPacketContent(document(), 0, nullptr, 0, &buflen));
ASSERT_EQ(121u, buflen);
std::vector<uint8_t> data_buffer(buflen);
EXPECT_TRUE(FPDF_GetXFAPacketContent(document(), 0, data_buffer.data(),
data_buffer.size(), &buflen));
EXPECT_EQ(121u, buflen);
EXPECT_EQ("8f912eaa1e66c9341cb3032ede71e147", GenerateMD5Base16(data_buffer));
}
TEST_F(FPDFViewEmbedderTest, GetXFADataForNoForm) {
ASSERT_TRUE(OpenDocument("hello_world.pdf"));
EXPECT_EQ(0, FPDF_GetXFAPacketCount(document()));
}
TEST_F(FPDFViewEmbedderTest, GetXFADataForAcroForm) {
ASSERT_TRUE(OpenDocument("text_form.pdf"));
EXPECT_EQ(0, FPDF_GetXFAPacketCount(document()));
}
class RecordUnsupportedErrorDelegate final : public EmbedderTest::Delegate {
public:
RecordUnsupportedErrorDelegate() = default;
~RecordUnsupportedErrorDelegate() override = default;
void UnsupportedHandler(int type) override { type_ = type; }
int type_ = -1;
};
TEST_F(FPDFViewEmbedderTest, UnSupportedOperationsNotFound) {
RecordUnsupportedErrorDelegate delegate;
SetDelegate(&delegate);
ASSERT_TRUE(OpenDocument("hello_world.pdf"));
EXPECT_EQ(delegate.type_, -1);
SetDelegate(nullptr);
}
TEST_F(FPDFViewEmbedderTest, UnSupportedOperationsLoadCustomDocument) {
RecordUnsupportedErrorDelegate delegate;
SetDelegate(&delegate);
ASSERT_TRUE(OpenDocument("unsupported_feature.pdf"));
EXPECT_EQ(FPDF_UNSP_DOC_PORTABLECOLLECTION, delegate.type_);
SetDelegate(nullptr);
}
TEST_F(FPDFViewEmbedderTest, UnSupportedOperationsLoadDocument) {
std::string file_path =
PathService::GetTestFilePath("unsupported_feature.pdf");
ASSERT_FALSE(file_path.empty());
RecordUnsupportedErrorDelegate delegate;
SetDelegate(&delegate);
{
ScopedFPDFDocument doc(FPDF_LoadDocument(file_path.c_str(), ""));
EXPECT_TRUE(doc);
EXPECT_EQ(FPDF_UNSP_DOC_PORTABLECOLLECTION, delegate.type_);
}
SetDelegate(nullptr);
}
TEST_F(FPDFViewEmbedderTest, DocumentHasValidCrossReferenceTable) {
ASSERT_TRUE(OpenDocument("hello_world.pdf"));
EXPECT_TRUE(FPDF_DocumentHasValidCrossReferenceTable(document()));
}
TEST_F(FPDFViewEmbedderTest, DocumentHasInvalidCrossReferenceTable) {
EXPECT_FALSE(FPDF_DocumentHasValidCrossReferenceTable(nullptr));
ASSERT_TRUE(OpenDocument("bug_664284.pdf"));
EXPECT_FALSE(FPDF_DocumentHasValidCrossReferenceTable(document()));
}
// Related to https://crbug.com/pdfium/1197
TEST_F(FPDFViewEmbedderTest, LoadDocumentWithEmptyXRefConsistently) {
ASSERT_TRUE(OpenDocument("empty_xref.pdf"));
EXPECT_TRUE(FPDF_DocumentHasValidCrossReferenceTable(document()));
std::string file_path = PathService::GetTestFilePath("empty_xref.pdf");
ASSERT_FALSE(file_path.empty());
{
ScopedFPDFDocument doc(FPDF_LoadDocument(file_path.c_str(), ""));
ASSERT_TRUE(doc);
EXPECT_TRUE(FPDF_DocumentHasValidCrossReferenceTable(doc.get()));
}
{
std::vector<uint8_t> file_contents = GetFileContents(file_path.c_str());
ASSERT_FALSE(file_contents.empty());
ScopedFPDFDocument doc(
FPDF_LoadMemDocument(file_contents.data(), file_contents.size(), ""));
ASSERT_TRUE(doc);
EXPECT_TRUE(FPDF_DocumentHasValidCrossReferenceTable(doc.get()));
}
}
TEST_F(FPDFViewEmbedderTest, RenderBug664284WithNoNativeText) {
// For Skia, since the font used in bug_664284.pdf is not a CID font,
// ShouldDrawDeviceText() will always return true. Therefore
// FPDF_NO_NATIVETEXT and the font widths defined in the PDF determines
// whether to go through the rendering path in
// CFX_SkiaDeviceDriver::DrawDeviceText(). In this case, it returns false and
// affects the rendering results across all platforms.
// For AGG, since CFX_AggDeviceDriver::DrawDeviceText() is only implemented
// for macOS, FPDF_NO_NATIVETEXT will not affect the device-specific rendering
// path on other platforms and it will only disable native text support on
// macOS. Therefore Windows and Linux rendering results remain the same as
// rendering with no flags, while the macOS rendering result does not.
const char* original_checksum = []() {
if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
#if BUILDFLAG(IS_WIN)
return "1c5d8217aca4f6fa86a8ed192f34b210";
#elif BUILDFLAG(IS_APPLE)
return "b7ac2ca2b934f4e213ab4ba36c5f8ffd";
#else
return "29cb8045c21cfa2c920fdf43de70efd8";
#endif
}
#if BUILDFLAG(IS_APPLE)
return "0e339d606aafb63077f49e238dc27cb0";
#else
return "288502887ffc63291f35a0573b944375";
#endif
}();
static const char kNoNativeTextChecksum[] =
"288502887ffc63291f35a0573b944375";
ASSERT_TRUE(OpenDocument("bug_664284.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
ASSERT_TRUE(page);
TestRenderPageBitmapWithFlags(page.get(), 0, original_checksum);
TestRenderPageBitmapWithFlags(page.get(), FPDF_NO_NATIVETEXT,
kNoNativeTextChecksum);
}
TEST_F(FPDFViewEmbedderTest, RenderAnnotationWithPrintingFlag) {
const char* annotation_checksum = []() {
if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
return "eaece6b8041c0cb9b33398e5b6d5ddda";
}
return "c108ba6e0a9743652f12e4bc223f9b32";
}();
static const char kPrintingChecksum[] = "3e235b9f88f652f2b97b1fc393924849";
ASSERT_TRUE(OpenDocument("bug_1658.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
ASSERT_TRUE(page);
// A yellow highlight is rendered with `FPDF_ANNOT` flag.
TestRenderPageBitmapWithFlags(page.get(), FPDF_ANNOT, annotation_checksum);
// After adding `FPDF_PRINTING` flag, the yellow highlight is not rendered.
TestRenderPageBitmapWithFlags(page.get(), FPDF_PRINTING | FPDF_ANNOT,
kPrintingChecksum);
}
// TODO(crbug.com/pdfium/1955): Remove this test once pixel tests can pass with
// `reverse-byte-order` option.
TEST_F(FPDFViewEmbedderTest, RenderBlueAndRedImagesWithReverByteOrderFlag) {
// When rendering with `FPDF_REVERSE_BYTE_ORDER` flag, the blue and red
// channels should be reversed.
ASSERT_TRUE(OpenDocument("bug_1396264.pdf"));
ScopedFPDFPage page(FPDF_LoadPage(document(), 0));
ASSERT_TRUE(page);
TestRenderPageBitmapWithFlags(page.get(), 0,
"81e7f4498090977c848a21b5c6510d3a");
TestRenderPageBitmapWithFlags(page.get(), FPDF_REVERSE_BYTE_ORDER,
"505ba6d1c7f4044c11c91873452a8bde");
}
TEST_F(FPDFViewEmbedderTest, RenderJpxLzwImageWithFlags) {
static const char kNormalChecksum[] = "4bcd56cae1ca2622403e8af07242e71a";
static const char kGrayscaleChecksum[] = "fe45ad56efe868ba82285fa5ffedc0cb";
ASSERT_TRUE(OpenDocument("jpx_lzw.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
ASSERT_TRUE(page);
TestRenderPageBitmapWithFlags(page.get(), 0, kNormalChecksum);
TestRenderPageBitmapWithFlags(page.get(), FPDF_ANNOT, kNormalChecksum);
TestRenderPageBitmapWithFlags(page.get(), FPDF_LCD_TEXT, kNormalChecksum);
TestRenderPageBitmapWithFlags(page.get(), FPDF_NO_NATIVETEXT,
kNormalChecksum);
TestRenderPageBitmapWithFlags(page.get(), FPDF_GRAYSCALE, kGrayscaleChecksum);
TestRenderPageBitmapWithFlags(page.get(), FPDF_RENDER_LIMITEDIMAGECACHE,
kNormalChecksum);
TestRenderPageBitmapWithFlags(page.get(), FPDF_RENDER_FORCEHALFTONE,
kNormalChecksum);
TestRenderPageBitmapWithFlags(page.get(), FPDF_PRINTING, kNormalChecksum);
TestRenderPageBitmapWithFlags(page.get(), FPDF_RENDER_NO_SMOOTHTEXT,
kNormalChecksum);
TestRenderPageBitmapWithFlags(page.get(), FPDF_RENDER_NO_SMOOTHIMAGE,
kNormalChecksum);
TestRenderPageBitmapWithFlags(page.get(), FPDF_RENDER_NO_SMOOTHPATH,
kNormalChecksum);
}
TEST_F(FPDFViewEmbedderTest, RenderManyRectanglesWithFlags) {
const char* grayscale_checksum = []() {
if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
return "b596ac8bbe64e7bff31888ab05e4dcf4";
}
return "7b553f1052069a9c61237a05db0955d6";
}();
const char* no_smoothpath_checksum = []() {
if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
return "4d71ed53d9f6e6a761876ebb4ff23e19";
}
return "ff6e5c509d1f6984bcdfd18b26a4203a";
}();
ASSERT_TRUE(OpenDocument("many_rectangles.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
ASSERT_TRUE(page);
TestRenderPageBitmapWithFlags(page.get(), 0, ManyRectanglesChecksum());
TestRenderPageBitmapWithFlags(page.get(), FPDF_ANNOT,
ManyRectanglesChecksum());
TestRenderPageBitmapWithFlags(page.get(), FPDF_LCD_TEXT,
ManyRectanglesChecksum());
TestRenderPageBitmapWithFlags(page.get(), FPDF_NO_NATIVETEXT,
ManyRectanglesChecksum());
TestRenderPageBitmapWithFlags(page.get(), FPDF_GRAYSCALE, grayscale_checksum);
TestRenderPageBitmapWithFlags(page.get(), FPDF_RENDER_LIMITEDIMAGECACHE,
ManyRectanglesChecksum());
TestRenderPageBitmapWithFlags(page.get(), FPDF_RENDER_FORCEHALFTONE,
ManyRectanglesChecksum());
TestRenderPageBitmapWithFlags(page.get(), FPDF_PRINTING,
ManyRectanglesChecksum());
TestRenderPageBitmapWithFlags(page.get(), FPDF_RENDER_NO_SMOOTHTEXT,
ManyRectanglesChecksum());
TestRenderPageBitmapWithFlags(page.get(), FPDF_RENDER_NO_SMOOTHIMAGE,
ManyRectanglesChecksum());
TestRenderPageBitmapWithFlags(page.get(), FPDF_RENDER_NO_SMOOTHPATH,
no_smoothpath_checksum);
}
TEST_F(FPDFViewEmbedderTest, RenderManyRectanglesWithAndWithoutExternalMemory) {
ASSERT_TRUE(OpenDocument("many_rectangles.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
ASSERT_TRUE(page);
const char* bgr_checksum = []() {
if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
return "4d52e5cc1d4a8067bf918b85b232fff0";
}
return "ab6312e04c0d3f4e46fb302a45173d05";
}();
static constexpr int kBgrStride = 600; // Width of 200 * 24 bits per pixel.
TestRenderPageBitmapWithInternalMemory(page.get(), FPDFBitmap_BGR,
bgr_checksum);
TestRenderPageBitmapWithInternalMemoryAndStride(page.get(), FPDFBitmap_BGR,
kBgrStride, bgr_checksum);
TestRenderPageBitmapWithExternalMemory(page.get(), FPDFBitmap_BGR,
bgr_checksum);
TestRenderPageBitmapWithExternalMemoryAndNoStride(page.get(), FPDFBitmap_BGR,
bgr_checksum);
const char* gray_checksum = []() {
if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
return "3dfe1fc3889123d68e1748fefac65e72";
}
return "b561c11edc44dc3972125a9b8744fa2f";
}();
TestRenderPageBitmapWithInternalMemory(page.get(), FPDFBitmap_Gray,
gray_checksum);
static constexpr int kGrayStride = 200; // Width of 200 * 8 bits per pixel.
TestRenderPageBitmapWithInternalMemoryAndStride(page.get(), FPDFBitmap_Gray,
kGrayStride, gray_checksum);
TestRenderPageBitmapWithExternalMemory(page.get(), FPDFBitmap_Gray,
gray_checksum);
TestRenderPageBitmapWithExternalMemoryAndNoStride(page.get(), FPDFBitmap_Gray,
gray_checksum);
static constexpr int kBgrxStride = 800; // Width of 200 * 32 bits per pixel.
TestRenderPageBitmapWithInternalMemory(page.get(), FPDFBitmap_BGRx,
ManyRectanglesChecksum());
TestRenderPageBitmapWithInternalMemoryAndStride(
page.get(), FPDFBitmap_BGRx, kBgrxStride, ManyRectanglesChecksum());
TestRenderPageBitmapWithExternalMemory(page.get(), FPDFBitmap_BGRx,
ManyRectanglesChecksum());
TestRenderPageBitmapWithExternalMemoryAndNoStride(page.get(), FPDFBitmap_BGRx,
ManyRectanglesChecksum());
TestRenderPageBitmapWithInternalMemory(page.get(), FPDFBitmap_BGRA,
ManyRectanglesChecksum());
TestRenderPageBitmapWithInternalMemoryAndStride(
page.get(), FPDFBitmap_BGRA, kBgrxStride, ManyRectanglesChecksum());
TestRenderPageBitmapWithExternalMemory(page.get(), FPDFBitmap_BGRA,
ManyRectanglesChecksum());
TestRenderPageBitmapWithExternalMemoryAndNoStride(page.get(), FPDFBitmap_BGRA,
ManyRectanglesChecksum());
}
TEST_F(FPDFViewEmbedderTest, RenderHelloWorldWithFlags) {
ASSERT_TRUE(OpenDocument("hello_world.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
ASSERT_TRUE(page);
using pdfium::HelloWorldChecksum;
TestRenderPageBitmapWithFlags(page.get(), 0, HelloWorldChecksum());
TestRenderPageBitmapWithFlags(page.get(), FPDF_ANNOT, HelloWorldChecksum());
TestRenderPageBitmapWithFlags(page.get(), FPDF_GRAYSCALE,
HelloWorldChecksum());
TestRenderPageBitmapWithFlags(page.get(), FPDF_RENDER_LIMITEDIMAGECACHE,
HelloWorldChecksum());
TestRenderPageBitmapWithFlags(page.get(), FPDF_RENDER_FORCEHALFTONE,
HelloWorldChecksum());
TestRenderPageBitmapWithFlags(page.get(), FPDF_PRINTING,
HelloWorldChecksum());
TestRenderPageBitmapWithFlags(page.get(), FPDF_RENDER_NO_SMOOTHIMAGE,
HelloWorldChecksum());
TestRenderPageBitmapWithFlags(page.get(), FPDF_RENDER_NO_SMOOTHPATH,
HelloWorldChecksum());
const char* lcd_text_checksum = []() {
if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
#if BUILDFLAG(IS_WIN)
return "496d1f907349b153c5ecdc87c8073c7b";
#elif BUILDFLAG(IS_APPLE)
return "b110924c4af6e87232249ea2a564f0e4";
#else
return "d1decde2de1c07b5274cc8cb44f92427";
#endif
}
#if BUILDFLAG(IS_APPLE)
return "6eef7237f7591f07616e238422086737";
#else
return "09152e25e51fa8ca31fc28d0937bf477";
#endif // BUILDFLAG(IS_APPLE)
}();
const char* no_smoothtext_checksum = []() {
if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
#if BUILDFLAG(IS_WIN)
return "04dcf7d221437081034ca1152c717a8a";
#elif BUILDFLAG(IS_APPLE)
return "8c99ca392ecff724da0d04b17453a45a";
#else
return "cd5bbe9407c3fcc85d365172a9a55abd";
#endif
}
#if BUILDFLAG(IS_APPLE)
return "6eef7237f7591f07616e238422086737";
#else
return "6dec98c848028fa4be3ad38d6782e304";
#endif
}();
TestRenderPageBitmapWithFlags(page.get(), FPDF_LCD_TEXT, lcd_text_checksum);
TestRenderPageBitmapWithFlags(page.get(), FPDF_RENDER_NO_SMOOTHTEXT,
no_smoothtext_checksum);
// For text rendering, When anti-aliasing is disabled, LCD Optimization flag
// will be ignored.
TestRenderPageBitmapWithFlags(page.get(),
FPDF_LCD_TEXT | FPDF_RENDER_NO_SMOOTHTEXT,
no_smoothtext_checksum);
}
// Deliberately disabled because this test case renders a large bitmap, which is
// very slow for debug builds.
#if defined(NDEBUG)
#define MAYBE_LargeImageDoesNotRenderBlank LargeImageDoesNotRenderBlank
#else
#define MAYBE_LargeImageDoesNotRenderBlank DISABLED_LargeImageDoesNotRenderBlank
#endif
TEST_F(FPDFViewEmbedderTest, MAYBE_LargeImageDoesNotRenderBlank) {
static const char kChecksum[] = "a6056db6961f4e65c42ab2e246171fe1";
ASSERT_TRUE(OpenDocument("bug_1646.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
ASSERT_TRUE(page);
static constexpr int kWidth = 40000;
static constexpr int kHeight = 100;
TestRenderPageBitmapWithMatrix(page.get(), kWidth, kHeight,
{1000, 0, 0, 1, 0, 0}, {0, 0, kWidth, kHeight},
kChecksum);
}
#if BUILDFLAG(IS_WIN)
TEST_F(FPDFViewEmbedderTest, FPDFRenderPageEmf) {
ASSERT_TRUE(OpenDocument("rectangles.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
ASSERT_TRUE(page);
std::vector<uint8_t> emf_normal = RenderPageWithFlagsToEmf(page.get(), 0);
EXPECT_EQ(3772u, emf_normal.size());
// FPDF_REVERSE_BYTE_ORDER is ignored since EMFs are always BGR.
std::vector<uint8_t> emf_reverse_byte_order =
RenderPageWithFlagsToEmf(page.get(), FPDF_REVERSE_BYTE_ORDER);
EXPECT_EQ(emf_normal, emf_reverse_byte_order);
}
class PostScriptRenderEmbedderTestBase : public FPDFViewEmbedderTest {
protected:
~PostScriptRenderEmbedderTestBase() override = default;
// FPDFViewEmbedderTest:
void TearDown() override {
FPDF_SetPrintMode(FPDF_PRINTMODE_EMF);
FPDFViewEmbedderTest::TearDown();
}
};
class PostScriptLevel2EmbedderTest : public PostScriptRenderEmbedderTestBase {
public:
PostScriptLevel2EmbedderTest() = default;
~PostScriptLevel2EmbedderTest() override = default;
protected:
// FPDFViewEmbedderTest:
void SetUp() override {
FPDFViewEmbedderTest::SetUp();
FPDF_SetPrintMode(FPDF_PRINTMODE_POSTSCRIPT2);
}
};
class PostScriptLevel3EmbedderTest : public PostScriptRenderEmbedderTestBase {
public:
PostScriptLevel3EmbedderTest() = default;
~PostScriptLevel3EmbedderTest() override = default;
protected:
// FPDFViewEmbedderTest:
void SetUp() override {
FPDFViewEmbedderTest::SetUp();
FPDF_SetPrintMode(FPDF_PRINTMODE_POSTSCRIPT3);
}
};
TEST_F(PostScriptLevel2EmbedderTest, Rectangles) {
ASSERT_TRUE(OpenDocument("rectangles.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
ASSERT_TRUE(page);
std::vector<uint8_t> emf_normal = RenderPageWithFlagsToEmf(page.get(), 0);
std::string ps_data = GetPostScriptFromEmf(emf_normal);
EXPECT_EQ(kExpectedRectanglePostScript, ps_data);
// FPDF_REVERSE_BYTE_ORDER is ignored since PostScript is not bitmap-based.
std::vector<uint8_t> emf_reverse_byte_order =
RenderPageWithFlagsToEmf(page.get(), FPDF_REVERSE_BYTE_ORDER);
EXPECT_EQ(emf_normal, emf_reverse_byte_order);
}
TEST_F(PostScriptLevel3EmbedderTest, Rectangles) {
ASSERT_TRUE(OpenDocument("rectangles.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
ASSERT_TRUE(page);
std::vector<uint8_t> emf_normal = RenderPageWithFlagsToEmf(page.get(), 0);
std::string ps_data = GetPostScriptFromEmf(emf_normal);
EXPECT_EQ(kExpectedRectanglePostScript, ps_data);
// FPDF_REVERSE_BYTE_ORDER is ignored since PostScript is not bitmap-based.
std::vector<uint8_t> emf_reverse_byte_order =
RenderPageWithFlagsToEmf(page.get(), FPDF_REVERSE_BYTE_ORDER);
EXPECT_EQ(emf_normal, emf_reverse_byte_order);
}
TEST_F(PostScriptLevel2EmbedderTest, Image) {
const char kExpected[] =
"\n"
"save\n"
"/im/initmatrix load def\n"
"/n/newpath load def/m/moveto load def/l/lineto load def/c/curveto load "
"def/h/closepath load def\n"
"/f/fill load def/F/eofill load def/s/stroke load def/W/clip load "
"def/W*/eoclip load def\n"
"/rg/setrgbcolor load def/k/setcmykcolor load def\n"
"/J/setlinecap load def/j/setlinejoin load def/w/setlinewidth load "
"def/M/setmiterlimit load def/d/setdash load def\n"
"/q/gsave load def/Q/grestore load def/iM/imagemask load def\n"
"/Tj/show load def/Ff/findfont load def/Fs/scalefont load def/Sf/setfont "
"load def\n"
"/cm/concat load def/Cm/currentmatrix load def/mx/matrix load "
"def/sm/setmatrix load def\n"
"0 792 m 0 0 l 612 0 l 612 792 l 0 792 l h W n\n"
"q\n"
"0 792 m 0 0 l 612 0 l 612 792 l 0 792 l h W n\n"
"q\n"
"Q\n"
"q\n"
"281 106.7 m 331 106.7 l 331 56.7 l 281 56.7 l 281 106.7 l h W* n\n"
"q\n"
"[49.9 0 0 -50 281.1 106.6]cm 50 50 8[50 0 0 -50 0 "
"50]currentfile/ASCII85Decode filter /DCTDecode filter false 3 "
"colorimage\n"
"s4IA0!\"_al8O`[\\!<<*#!!*'\"s4[N@!!ic5#6k>;#6tJ?#m^kH'FbHY$Odmc'+Yct)"
"BU\"@)B9_>\r\n"
",VCGe+tOrY*%3`p/2/e81c-:%3B]>W4>&EH1B6)/"
"6NIK\"#n.1M(_$ok1*IV\\1,:U?1,:U?1,:U?\r\n"
"1,:U?1,:U?1,:U?1,:U?1,:U?1,:U?1,:U?1,:U?1,:U?1,AmF!\"fJ:1&s'3!?qLF&HMtG!"
"WU(<\r\n"
"*rl9A\"T\\W)!<E3$z!!!!\"!WrQ/\"pYD?$4HmP!4<@<!W`B*!X&T/"
"\"U\"r.!!.KK!WrE*&Hrdj0gQ!W\r\n"
";.0\\RE>10ZOeE%*6F\"?A;UOtZ1LbBV#mqFa(`=5<-7:2j.Ps\"@2`NfY6UX@47n?3D;"
"cHat='/U/\r\n"
"@q9._B4u!oF*)PJGBeCZK7nr5LPUeEP*;,qQC!u,R\\HRQV5C/"
"hWN*81['d?O\\@K2f_o0O6a2lBF\r\n"
"daQ^rf%8R-g>V&OjQ5OekiqC&o(2MHp@n@XqZ\"J6*ru?D!<E3%!<E3%!<<*\"!!!!\"!"
"WrQ/\"pYD?\r\n"
"$4HmP!4<C=!W`?*\"9Sc3\"U\"r.!<RHF!<N?8\"9fr'\"qj4!#@VTc+u4]T'LIqUZ,$_"
"k1K*]W@WKj'\r\n"
"(*k`q-1Mcg)&ahL-n-W'2E*TU3^Z;(7Rp!@8lJ\\h<``C+>%;)SAnPdkC3+K>G'A1VH@gd&"
"KnbA=\r\n"
"M2II[Pa.Q$R$jD;USO``Vl6SpZEppG[^WcW]#)A'`Q#s>ai`&\\eCE.%f\\,!<j5f="
"akNM0qo(2MH\r\n"
"p@n@XqZ#7L$j-M1!YGMH!'^JZre`+s!fAD!!fAD!!fAD!!fAD!!fAD!!fAD!!fAD!!fAD!!"
"fAD!\r\n"
"!fAD!!fAD!!fAD!!fAD!!fAD!!fAD!&-(;~>\n"
"Q\n"
"Q\n"
"q\n"
"q\n"
"Q\n"
"Q\n"
"Q\n"
"Q\n"
"\n"
"restore\n";
ASSERT_TRUE(OpenDocument("tagged_alt_text.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
ASSERT_TRUE(page);
std::vector<uint8_t> emf = RenderPageWithFlagsToEmf(page.get(), 0);
std::string ps_data = GetPostScriptFromEmf(emf);
EXPECT_EQ(kExpected, ps_data);
}
TEST_F(PostScriptLevel3EmbedderTest, Image) {
const char kExpected[] = R"(
save
/im/initmatrix load def
/n/newpath load def/m/moveto load def/l/lineto load def/c/curveto load def/h/closepath load def
/f/fill load def/F/eofill load def/s/stroke load def/W/clip load def/W*/eoclip load def
/rg/setrgbcolor load def/k/setcmykcolor load def
/J/setlinecap load def/j/setlinejoin load def/w/setlinewidth load def/M/setmiterlimit load def/d/setdash load def
/q/gsave load def/Q/grestore load def/iM/imagemask load def
/Tj/show load def/Ff/findfont load def/Fs/scalefont load def/Sf/setfont load def
/cm/concat load def/Cm/currentmatrix load def/mx/matrix load def/sm/setmatrix load def
0 792 m 0 0 l 612 0 l 612 792 l 0 792 l h W n
q
0 792 m 0 0 l 612 0 l 612 792 l 0 792 l h W n
q
Q
q
281 106.7 m 331 106.7 l 331 56.7 l 281 56.7 l 281 106.7 l h W* n
q
[49.9 0 0 -50 281.1 106.6]cm 50 50 8[50 0 0 -50 0 50]currentfile/ASCII85Decode filter /FlateDecode filter false 3 colorimage
Gb"0;0`_7S!5bE%:[N')TE"rlzGQSs[!!*~>
Q
Q
q
q
Q
Q
Q
Q
restore
)";
ASSERT_TRUE(OpenDocument("tagged_alt_text.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
ASSERT_TRUE(page);
std::vector<uint8_t> emf = RenderPageWithFlagsToEmf(page.get(), 0);
std::string ps_data = GetPostScriptFromEmf(emf);
EXPECT_EQ(kExpected, ps_data);
}
TEST_F(FPDFViewEmbedderTest, ImageMask) {
ASSERT_TRUE(OpenDocument("bug_674771.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
ASSERT_TRUE(page);
// Render the page with more efficient processing of image masks.
FPDF_SetPrintMode(FPDF_PRINTMODE_EMF_IMAGE_MASKS);
std::vector<uint8_t> emf_image_masks =
RenderPageWithFlagsToEmf(page.get(), 0);
// Render the page normally.
FPDF_SetPrintMode(FPDF_PRINTMODE_EMF);
std::vector<uint8_t> emf_normal = RenderPageWithFlagsToEmf(page.get(), 0);
EXPECT_LT(emf_image_masks.size(), emf_normal.size());
}
#endif // BUILDFLAG(IS_WIN)
TEST_F(FPDFViewEmbedderTest, GetTrailerEnds) {
ASSERT_TRUE(OpenDocument("two_signatures.pdf"));
// FPDF_GetTrailerEnds() positive testing.
unsigned long size = FPDF_GetTrailerEnds(document(), nullptr, 0);
const std::vector<unsigned int> kExpectedEnds{633, 1703, 2781};
ASSERT_EQ(kExpectedEnds.size(), size);
std::vector<unsigned int> ends(size);
ASSERT_EQ(size, FPDF_GetTrailerEnds(document(), ends.data(), size));
ASSERT_EQ(kExpectedEnds, ends);
// FPDF_GetTrailerEnds() negative testing.
ASSERT_EQ(0U, FPDF_GetTrailerEnds(nullptr, nullptr, 0));
ends.resize(2);
ends[0] = 0;
ends[1] = 1;
size = FPDF_GetTrailerEnds(document(), ends.data(), ends.size());
ASSERT_EQ(kExpectedEnds.size(), size);
EXPECT_EQ(0U, ends[0]);
EXPECT_EQ(1U, ends[1]);
}
TEST_F(FPDFViewEmbedderTest, GetTrailerEndsHelloWorld) {
// Single trailer, \n line ending at the trailer end.
ASSERT_TRUE(OpenDocument("hello_world.pdf"));
// FPDF_GetTrailerEnds() positive testing.
unsigned long size = FPDF_GetTrailerEnds(document(), nullptr, 0);
const std::vector<unsigned int> kExpectedEnds{840};
ASSERT_EQ(kExpectedEnds.size(), size);
std::vector<unsigned int> ends(size);
ASSERT_EQ(size, FPDF_GetTrailerEnds(document(), ends.data(), size));
ASSERT_EQ(kExpectedEnds, ends);
}
TEST_F(FPDFViewEmbedderTest, GetTrailerEndsAnnotationStamp) {
// Multiple trailers, \r\n line ending at the trailer ends.
ASSERT_TRUE(OpenDocument("annotation_stamp_with_ap.pdf"));
// FPDF_GetTrailerEnds() positive testing.
unsigned long size = FPDF_GetTrailerEnds(document(), nullptr, 0);
const std::vector<unsigned int> kExpectedEnds{441, 7945, 101719};
ASSERT_EQ(kExpectedEnds.size(), size);
std::vector<unsigned int> ends(size);
ASSERT_EQ(size, FPDF_GetTrailerEnds(document(), ends.data(), size));
ASSERT_EQ(kExpectedEnds, ends);
}
TEST_F(FPDFViewEmbedderTest, GetTrailerEndsLinearized) {
// Set up linearized PDF.
FileAccessForTesting file_acc("linearized.pdf");
FakeFileAccess fake_acc(&file_acc);
CreateAvail(fake_acc.GetFileAvail(), fake_acc.GetFileAccess());
fake_acc.SetWholeFileAvailable();
// Multiple trailers, \r line ending at the trailer ends (no \n).
SetDocumentFromAvail();
ASSERT_TRUE(document());
// FPDF_GetTrailerEnds() positive testing.
unsigned long size = FPDF_GetTrailerEnds(document(), nullptr, 0);
const std::vector<unsigned int> kExpectedEnds{474, 11384};
ASSERT_EQ(kExpectedEnds.size(), size);
std::vector<unsigned int> ends(size);
ASSERT_EQ(size, FPDF_GetTrailerEnds(document(), ends.data(), size));
ASSERT_EQ(kExpectedEnds, ends);
}
TEST_F(FPDFViewEmbedderTest, GetTrailerEndsWhitespace) {
// Whitespace between 'endstream'/'endobj' and the newline.
ASSERT_TRUE(OpenDocument("trailer_end_trailing_space.pdf"));
unsigned long size = FPDF_GetTrailerEnds(document(), nullptr, 0);
const std::vector<unsigned int> kExpectedEnds{1193};
// Without the accompanying fix in place, this test would have failed, as the
// size was 0, not 1, i.e. no trailer ends were found.
ASSERT_EQ(kExpectedEnds.size(), size);
std::vector<unsigned int> ends(size);
ASSERT_EQ(size, FPDF_GetTrailerEnds(document(), ends.data(), size));
EXPECT_EQ(kExpectedEnds, ends);
}
TEST_F(FPDFViewEmbedderTest, RenderXfaPage) {
ASSERT_TRUE(OpenDocument("simple_xfa.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
ASSERT_TRUE(page);
// Should always be blank, as we're not testing `FPDF_FFLDraw()` here.
TestRenderPageBitmapWithFlags(page.get(), 0,
pdfium::kBlankPage612By792Checksum);
}
#if defined(PDF_USE_SKIA)
TEST_F(FPDFViewEmbedderTest, RenderPageToSkp) {
if (!CFX_DefaultRenderDevice::UseSkiaRenderer()) {
GTEST_SKIP() << "FPDF_RenderPageSkp() only makes sense with Skia";
}
ASSERT_TRUE(OpenDocument("rectangles.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
ASSERT_TRUE(page);
TestRenderPageSkp(page.get(), pdfium::RectanglesChecksum());
}
TEST_F(FPDFViewEmbedderTest, RenderXfaPageToSkp) {
if (!CFX_DefaultRenderDevice::UseSkiaRenderer()) {
GTEST_SKIP() << "FPDF_RenderPageSkp() only makes sense with Skia";
}
ASSERT_TRUE(OpenDocument("simple_xfa.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
ASSERT_TRUE(page);
// Should always be blank, as we're not testing `FPDF_FFLRecord()` here.
TestRenderPageSkp(page.get(), pdfium::kBlankPage612By792Checksum);
}
TEST_F(FPDFViewEmbedderTest, Bug2087) {
FPDF_DestroyLibrary();
std::string agg_checksum;
const FPDF_LIBRARY_CONFIG kAggConfig = {
.version = 4,
.m_pUserFontPaths = nullptr,
.m_pIsolate = nullptr,
.m_v8EmbedderSlot = 0,
.m_pPlatform = nullptr,
.m_RendererType = FPDF_RENDERERTYPE_AGG,
};
FPDF_InitLibraryWithConfig(&kAggConfig);
ASSERT_TRUE(OpenDocument("rectangles.pdf"));
{
ScopedEmbedderTestPage page = LoadScopedPage(0);
ScopedFPDFBitmap bitmap = RenderPage(page.get());
agg_checksum = HashBitmap(bitmap.get());
}
CloseDocument();
FPDF_DestroyLibrary();
std::string skia_checksum;
const FPDF_LIBRARY_CONFIG kSkiaConfig = {
.version = 2,
.m_pUserFontPaths = nullptr,
.m_pIsolate = nullptr,
.m_v8EmbedderSlot = 0,
};
FPDF_InitLibraryWithConfig(&kSkiaConfig);
ASSERT_TRUE(OpenDocument("rectangles.pdf"));
{
ScopedEmbedderTestPage page = LoadScopedPage(0);
ScopedFPDFBitmap bitmap = RenderPage(page.get());
skia_checksum = HashBitmap(bitmap.get());
}
CloseDocument();
EXPECT_NE(agg_checksum, skia_checksum);
EmbedderTestEnvironment::GetInstance()->TearDown();
EmbedderTestEnvironment::GetInstance()->SetUp();
}
#endif // defined(PDF_USE_SKIA)
TEST_F(FPDFViewEmbedderTest, NoSmoothTextItalicOverlappingGlyphs) {
ASSERT_TRUE(OpenDocument("bug_1919.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
ASSERT_TRUE(page);
const char* checksum = []() {
#if BUILDFLAG(IS_WIN)
if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
return "d97d0a9da6a5955f68a58a3f25466bd7";
}
#elif !BUILDFLAG(IS_APPLE)
if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
return "ceeb93d2bcdb586d62c95b33cadcd873";
}
#endif
return "5f99e2fa2bad09393d6428e105a83c96";
}();
TestRenderPageBitmapWithFlags(page.get(), FPDF_RENDER_NO_SMOOTHTEXT,
checksum);
}
TEST_F(FPDFViewEmbedderTest, RenderTransparencyOnWhiteBackground) {
ASSERT_TRUE(OpenDocument("bug_1302355.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
ASSERT_TRUE(page);
static constexpr int kWidth = 200;
static constexpr int kHeight = 200;
EXPECT_EQ(kWidth, static_cast<int>(FPDF_GetPageWidthF(page.get())));
EXPECT_EQ(kHeight, static_cast<int>(FPDF_GetPageHeightF(page.get())));
EXPECT_TRUE(FPDFPage_HasTransparency(page.get()));
ScopedFPDFBitmap bitmap(FPDFBitmap_Create(kWidth, kHeight, /*alpha=*/true));
ASSERT_TRUE(
FPDFBitmap_FillRect(bitmap.get(), 0, 0, kWidth, kHeight, 0xFFFFFFFF));
FPDF_RenderPageBitmap(bitmap.get(), page.get(), /*start_x=*/0,
/*start_y=*/0, kWidth, kHeight, /*rotate=*/0,
/*flags=*/0);
// TODO(crbug.com/1302355): This page should not render blank.
EXPECT_EQ(pdfium::kBlankPage200By200Checksum, HashBitmap(bitmap.get()));
}
TEST_F(FPDFViewEmbedderTest, Bug2112) {
static constexpr int kWidth = 595;
static constexpr int kHeight = 842;
static constexpr int kStride = kWidth * 3;
std::vector<uint8_t> vec(kStride * kHeight);
ScopedFPDFBitmap bitmap(FPDFBitmap_CreateEx(kWidth, kHeight, FPDFBitmap_BGR,
vec.data(), kStride));
EXPECT_EQ(FPDFBitmap_BGR, FPDFBitmap_GetFormat(bitmap.get()));
}
TEST_F(FPDFViewEmbedderTest, RenderAnnotsGrayScale) {
ASSERT_TRUE(OpenDocument("annotation_highlight_square_with_ap.pdf"));
ScopedEmbedderTestPage page = LoadScopedPage(0);
ASSERT_TRUE(page);
const char* const gray_checksum = []() {
if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
#if BUILDFLAG(IS_WIN)
return "c18c1b7ee995f16dfb18e6da73a3c2d3";
#elif BUILDFLAG(IS_APPLE)
return "92e96cad5e6b93fee3e2017ea27e2497";
#else
return "b73df08d5252615ad6ed2fe7d6c73883";
#endif
}
return "c02f449666bf2633d06b909c76bc1c1d";
}();
TestRenderPageBitmapWithInternalMemory(page.get(), FPDFBitmap_Gray,
gray_checksum);
}
TEST_F(FPDFViewEmbedderTest, BadFillRectInput) {
static constexpr int kWidth = 200;
static constexpr int kHeight = 200;
static constexpr char kExpectedChecksum[] =
"acc736435c9f84aa82941ba561bc5dbc";
ScopedFPDFBitmap bitmap(FPDFBitmap_Create(200, 200, /*alpha=*/true));
ASSERT_TRUE(FPDFBitmap_FillRect(bitmap.get(), /*left=*/0, /*top=*/0,
/*width=*/kWidth,
/*height=*/kHeight, 0xFFFF0000));
EXPECT_EQ(kExpectedChecksum, HashBitmap(bitmap.get()));
// Empty rect dimensions is a no-op.
ASSERT_TRUE(FPDFBitmap_FillRect(bitmap.get(), /*left=*/0, /*top=*/0,
/*width=*/0,
/*height=*/0, 0xFF0000FF));
EXPECT_EQ(kExpectedChecksum, HashBitmap(bitmap.get()));
// Rect dimension overflows are also no-ops.
ASSERT_FALSE(FPDFBitmap_FillRect(
bitmap.get(), /*left=*/std::numeric_limits<int>::max(),
/*top=*/0, /*width=*/std::numeric_limits<int>::max(),
/*height=*/kHeight, 0xFF0000FF));
EXPECT_EQ(kExpectedChecksum, HashBitmap(bitmap.get()));
ASSERT_FALSE(FPDFBitmap_FillRect(
bitmap.get(), /*left=*/0,
/*top=*/std::numeric_limits<int>::max(), /*width=*/kWidth,
/*height=*/std::numeric_limits<int>::max(), 0xFF0000FF));
EXPECT_EQ(kExpectedChecksum, HashBitmap(bitmap.get()));
// Make sure null bitmap handle does not trigger a crash.
ASSERT_FALSE(FPDFBitmap_FillRect(nullptr, 0, 0, kWidth, kHeight, 0xFF0000FF));
}