| // Copyright 2016 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <memory> |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| #include "build/build_config.h" |
| #include "core/fpdfapi/font/cpdf_font.h" |
| #include "core/fpdfapi/page/cpdf_page.h" |
| #include "core/fpdfapi/page/cpdf_pageobject.h" |
| #include "core/fpdfapi/parser/cpdf_array.h" |
| #include "core/fpdfapi/parser/cpdf_dictionary.h" |
| #include "core/fpdfapi/parser/cpdf_number.h" |
| #include "core/fpdfapi/parser/cpdf_stream.h" |
| #include "core/fpdfapi/parser/cpdf_stream_acc.h" |
| #include "core/fxcrt/fx_codepage.h" |
| #include "core/fxcrt/fx_system.h" |
| #include "core/fxge/fx_font.h" |
| #include "fpdfsdk/cpdfsdk_helpers.h" |
| #include "public/cpp/fpdf_scopers.h" |
| #include "public/fpdf_annot.h" |
| #include "public/fpdf_edit.h" |
| #include "public/fpdfview.h" |
| #include "testing/embedder_test.h" |
| #include "testing/embedder_test_constants.h" |
| #include "testing/fx_string_testhelpers.h" |
| #include "testing/gmock/include/gmock/gmock-matchers.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" |
| #include "third_party/base/check.h" |
| |
| using pdfium::kHelloWorldChecksum; |
| |
| namespace { |
| |
| const char kAllRemovedChecksum[] = "eee4600ac08b458ac7ac2320e225674c"; |
| |
| const wchar_t kBottomText[] = L"I'm at the bottom of the page"; |
| |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| static constexpr char kBottomTextChecksum[] = |
| "5df7be86df1e18819723cdd9c81c2c7d"; |
| #else |
| #if defined(OS_WIN) |
| static constexpr char kBottomTextChecksum[] = |
| "08d1ff3e5a42801bee6077fd366bef00"; |
| #elif defined(OS_APPLE) |
| static constexpr char kBottomTextChecksum[] = |
| "324e1db8164a040cf6104538baa95ba6"; |
| #else |
| static constexpr char kBottomTextChecksum[] = |
| "eacaa24573b8ce997b3882595f096f00"; |
| #endif |
| #endif // defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| #if defined(OS_WIN) |
| const char kFirstRemovedChecksum[] = "d468228cc55071a9e838f66afc0f58ff"; |
| #else |
| const char kFirstRemovedChecksum[] = "0c79dc1065b1d06991e3ac4aaa35d25c"; |
| #endif // defined(OS_WIN) |
| #else |
| #if defined(OS_WIN) |
| const char kFirstRemovedChecksum[] = "aae6c5334721f90ec30d3d59f4ef7deb"; |
| #elif defined(OS_APPLE) |
| const char kFirstRemovedChecksum[] = "17ca3778fd8bb395b46532f1fa17f702"; |
| #else |
| const char kFirstRemovedChecksum[] = "b76df015fe88009c3c342395df96abf1"; |
| #endif |
| #endif // defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| |
| const wchar_t kLoadedFontText[] = L"I am testing my loaded font, WEE."; |
| |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| const char kLoadedFontTextChecksum[] = "a1dffe52c1b9ded5fe8d77eb10d8cc19"; |
| #else |
| #if defined(OS_WIN) |
| const char kLoadedFontTextChecksum[] = "d60ba39f9698e32360d99e727dd93165"; |
| #elif defined(OS_APPLE) |
| const char kLoadedFontTextChecksum[] = "fc921c0bbdde73986ac13c15a85db4c3"; |
| #else |
| const char kLoadedFontTextChecksum[] = "70592859010ffbf532a2237b8118bcc4"; |
| #endif |
| #endif // defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| |
| const char kRedRectangleChecksum[] = "66d02eaa6181e2c069ce2ea99beda497"; |
| |
| // In embedded_images.pdf. |
| const char kEmbeddedImage33Checksum[] = "cb3637934bb3b95a6e4ae1ea9eb9e56e"; |
| |
| } // namespace |
| |
| class FPDFEditEmbedderTest : public EmbedderTest { |
| protected: |
| FPDF_DOCUMENT CreateNewDocument() { |
| document_ = FPDF_CreateNewDocument(); |
| cpdf_doc_ = CPDFDocumentFromFPDFDocument(document_); |
| return document_; |
| } |
| |
| void CheckFontDescriptor(const CPDF_Dictionary* font_dict, |
| int font_type, |
| bool bold, |
| bool italic, |
| pdfium::span<const uint8_t> span) { |
| const CPDF_Dictionary* font_desc = font_dict->GetDictFor("FontDescriptor"); |
| ASSERT_TRUE(font_desc); |
| EXPECT_EQ("FontDescriptor", font_desc->GetNameFor("Type")); |
| ByteString font_name = font_desc->GetNameFor("FontName"); |
| EXPECT_FALSE(font_name.IsEmpty()); |
| EXPECT_EQ(font_dict->GetNameFor("BaseFont"), font_name); |
| |
| // Check that the font descriptor has the required keys according to spec |
| // 1.7 Table 5.19 |
| ASSERT_TRUE(font_desc->KeyExist("Flags")); |
| |
| int font_flags = font_desc->GetIntegerFor("Flags"); |
| EXPECT_EQ(bold, FontStyleIsForceBold(font_flags)); |
| EXPECT_EQ(italic, FontStyleIsItalic(font_flags)); |
| EXPECT_TRUE(FontStyleIsNonSymbolic(font_flags)); |
| ASSERT_TRUE(font_desc->KeyExist("FontBBox")); |
| |
| const CPDF_Array* fontBBox = font_desc->GetArrayFor("FontBBox"); |
| ASSERT_TRUE(fontBBox); |
| EXPECT_EQ(4u, fontBBox->size()); |
| // Check that the coordinates are in the preferred order according to spec |
| // 1.7 Section 3.8.4 |
| EXPECT_TRUE(fontBBox->GetIntegerAt(0) < fontBBox->GetIntegerAt(2)); |
| EXPECT_TRUE(fontBBox->GetIntegerAt(1) < fontBBox->GetIntegerAt(3)); |
| |
| EXPECT_TRUE(font_desc->KeyExist("ItalicAngle")); |
| EXPECT_TRUE(font_desc->KeyExist("Ascent")); |
| EXPECT_TRUE(font_desc->KeyExist("Descent")); |
| EXPECT_TRUE(font_desc->KeyExist("CapHeight")); |
| EXPECT_TRUE(font_desc->KeyExist("StemV")); |
| ByteString present("FontFile"); |
| ByteString absent("FontFile2"); |
| if (font_type == FPDF_FONT_TRUETYPE) |
| std::swap(present, absent); |
| EXPECT_TRUE(font_desc->KeyExist(present)); |
| EXPECT_FALSE(font_desc->KeyExist(absent)); |
| |
| auto streamAcc = |
| pdfium::MakeRetain<CPDF_StreamAcc>(font_desc->GetStreamFor(present)); |
| streamAcc->LoadAllDataRaw(); |
| |
| // Check that the font stream is the one that was provided |
| ASSERT_EQ(span.size(), streamAcc->GetSize()); |
| if (font_type == FPDF_FONT_TRUETYPE) { |
| ASSERT_EQ(static_cast<int>(span.size()), |
| streamAcc->GetDict()->GetIntegerFor("Length1")); |
| } |
| |
| const uint8_t* stream_data = streamAcc->GetData(); |
| for (size_t j = 0; j < span.size(); j++) |
| EXPECT_EQ(span[j], stream_data[j]) << " at byte " << j; |
| } |
| |
| void CheckCompositeFontWidths(const CPDF_Array* widths_array, |
| CPDF_Font* typed_font) { |
| // Check that W array is in a format that conforms to PDF spec 1.7 section |
| // "Glyph Metrics in CIDFonts" (these checks are not |
| // implementation-specific). |
| EXPECT_GT(widths_array->size(), 1u); |
| int num_cids_checked = 0; |
| int cur_cid = 0; |
| for (size_t idx = 0; idx < widths_array->size(); idx++) { |
| int cid = widths_array->GetNumberAt(idx); |
| EXPECT_GE(cid, cur_cid); |
| ASSERT_FALSE(++idx == widths_array->size()); |
| const CPDF_Object* next = widths_array->GetObjectAt(idx); |
| if (next->IsArray()) { |
| // We are in the c [w1 w2 ...] case |
| const CPDF_Array* arr = next->AsArray(); |
| int cnt = static_cast<int>(arr->size()); |
| size_t inner_idx = 0; |
| for (cur_cid = cid; cur_cid < cid + cnt; cur_cid++) { |
| int width = arr->GetNumberAt(inner_idx++); |
| EXPECT_EQ(width, typed_font->GetCharWidthF(cur_cid)) |
| << " at cid " << cur_cid; |
| } |
| num_cids_checked += cnt; |
| continue; |
| } |
| // Otherwise, are in the c_first c_last w case. |
| ASSERT_TRUE(next->IsNumber()); |
| int last_cid = next->AsNumber()->GetInteger(); |
| ASSERT_FALSE(++idx == widths_array->size()); |
| int width = widths_array->GetNumberAt(idx); |
| for (cur_cid = cid; cur_cid <= last_cid; cur_cid++) { |
| EXPECT_EQ(width, typed_font->GetCharWidthF(cur_cid)) |
| << " at cid " << cur_cid; |
| } |
| num_cids_checked += last_cid - cid + 1; |
| } |
| // Make sure we have a good amount of cids described |
| EXPECT_GT(num_cids_checked, 900); |
| } |
| CPDF_Document* cpdf_doc() { return cpdf_doc_; } |
| |
| private: |
| CPDF_Document* cpdf_doc_; |
| }; |
| |
| namespace { |
| |
| const char kExpectedPDF[] = |
| "%PDF-1.7\r\n" |
| "%\xA1\xB3\xC5\xD7\r\n" |
| "1 0 obj\r\n" |
| "<</Pages 2 0 R /Type/Catalog>>\r\n" |
| "endobj\r\n" |
| "2 0 obj\r\n" |
| "<</Count 1/Kids\\[ 4 0 R \\]/Type/Pages>>\r\n" |
| "endobj\r\n" |
| "3 0 obj\r\n" |
| "<</CreationDate\\(D:.*\\)/Creator\\(PDFium\\)>>\r\n" |
| "endobj\r\n" |
| "4 0 obj\r\n" |
| "<</MediaBox\\[ 0 0 640 480\\]/Parent 2 0 R " |
| "/Resources<</ExtGState<</FXE1 5 0 R >>>>" |
| "/Rotate 0/Type/Page" |
| ">>\r\n" |
| "endobj\r\n" |
| "5 0 obj\r\n" |
| "<</BM/Normal/CA 1/ca 1>>\r\n" |
| "endobj\r\n" |
| "xref\r\n" |
| "0 6\r\n" |
| "0000000000 65535 f\r\n" |
| "0000000017 00000 n\r\n" |
| "0000000066 00000 n\r\n" |
| "0000000122 00000 n\r\n" |
| "0000000192 00000 n\r\n" |
| "0000000311 00000 n\r\n" |
| "trailer\r\n" |
| "<<\r\n" |
| "/Root 1 0 R\r\n" |
| "/Info 3 0 R\r\n" |
| "/Size 6/ID\\[<.*><.*>\\]>>\r\n" |
| "startxref\r\n" |
| "354\r\n" |
| "%%EOF\r\n"; |
| |
| } // namespace |
| |
| TEST_F(FPDFEditEmbedderTest, EmbedNotoSansSCFont) { |
| ASSERT_TRUE(CreateEmptyDocument()); |
| ScopedFPDFPage page(FPDFPage_New(document(), 0, 400, 400)); |
| std::string font_path; |
| ASSERT_TRUE(PathService::GetThirdPartyFilePath( |
| "NotoSansCJK/NotoSansSC-Regular.subset.otf", &font_path)); |
| |
| size_t file_length = 0; |
| std::unique_ptr<char, pdfium::FreeDeleter> font_data = |
| GetFileContents(font_path.c_str(), &file_length); |
| ASSERT_TRUE(font_data); |
| |
| ScopedFPDFFont font(FPDFText_LoadFont( |
| document(), reinterpret_cast<const uint8_t*>(font_data.get()), |
| file_length, FPDF_FONT_TRUETYPE, /*cid=*/true)); |
| FPDF_PAGEOBJECT text_object = |
| FPDFPageObj_CreateTextObj(document(), font.get(), 20.0f); |
| EXPECT_TRUE(text_object); |
| |
| // Test the characters which are either mapped to one single unicode or |
| // multiple unicodes in the embedded font. |
| ScopedFPDFWideString text = GetFPDFWideString(L"这是第一句。 这是第二行。"); |
| EXPECT_TRUE(FPDFText_SetText(text_object, text.get())); |
| |
| FPDFPageObj_Transform(text_object, 1, 0, 0, 1, 50, 200); |
| FPDFPage_InsertObject(page.get(), text_object); |
| EXPECT_TRUE(FPDFPage_GenerateContent(page.get())); |
| |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| #if defined(OS_APPLE) |
| const char kChecksum[] = "9a31fb87d1c6d2346bba22d1196041cd"; |
| #else // defined(OS_APPLE) |
| const char kChecksum[] = "5bb65e15fc0a685934cd5006dec08a76"; |
| #endif // defined(OS_APPLE) |
| #else // defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| #if defined(OS_WIN) |
| const char kChecksum[] = "89e8eef5d6ad18c542a92a0519954d0f"; |
| #else // defined(OS_WIN) |
| const char kChecksum[] = "9a31fb87d1c6d2346bba22d1196041cd"; |
| #endif // defined(OS_WIN) |
| #endif // defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| ScopedFPDFBitmap page_bitmap = RenderPage(page.get()); |
| CompareBitmap(page_bitmap.get(), 400, 400, kChecksum); |
| |
| ASSERT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| VerifySavedDocument(400, 400, kChecksum); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, EmbedNotoSansSCFontWithCharcodes) { |
| ASSERT_TRUE(CreateEmptyDocument()); |
| ScopedFPDFPage page(FPDFPage_New(document(), 0, 400, 400)); |
| std::string font_path; |
| ASSERT_TRUE(PathService::GetThirdPartyFilePath( |
| "NotoSansCJK/NotoSansSC-Regular.subset.otf", &font_path)); |
| |
| size_t file_length = 0; |
| std::unique_ptr<char, pdfium::FreeDeleter> font_data = |
| GetFileContents(font_path.c_str(), &file_length); |
| ASSERT_TRUE(font_data); |
| |
| ScopedFPDFFont font(FPDFText_LoadFont( |
| document(), reinterpret_cast<const uint8_t*>(font_data.get()), |
| file_length, FPDF_FONT_TRUETYPE, /*cid=*/true)); |
| FPDF_PAGEOBJECT text_object = |
| FPDFPageObj_CreateTextObj(document(), font.get(), 20.0f); |
| EXPECT_TRUE(text_object); |
| |
| // Same as `text` in the EmbedNotoSansSCFont test case above. |
| const std::vector<uint32_t> charcodes = {9, 6, 7, 3, 5, 2, 1, |
| 9, 6, 7, 4, 8, 2}; |
| EXPECT_TRUE( |
| FPDFText_SetCharcodes(text_object, charcodes.data(), charcodes.size())); |
| |
| FPDFPageObj_Transform(text_object, 1, 0, 0, 1, 50, 200); |
| FPDFPage_InsertObject(page.get(), text_object); |
| EXPECT_TRUE(FPDFPage_GenerateContent(page.get())); |
| |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| #if defined(OS_APPLE) |
| const char kChecksum[] = "9a31fb87d1c6d2346bba22d1196041cd"; |
| #else // defined(OS_APPLE) |
| const char kChecksum[] = "5bb65e15fc0a685934cd5006dec08a76"; |
| #endif // defined(OS_APPLE) |
| #else // defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| #if defined(OS_WIN) |
| const char kChecksum[] = "89e8eef5d6ad18c542a92a0519954d0f"; |
| #else // defined(OS_WIN) |
| const char kChecksum[] = "9a31fb87d1c6d2346bba22d1196041cd"; |
| #endif // defined(OS_WIN) |
| #endif // defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| ScopedFPDFBitmap page_bitmap = RenderPage(page.get()); |
| CompareBitmap(page_bitmap.get(), 400, 400, kChecksum); |
| |
| ASSERT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| VerifySavedDocument(400, 400, kChecksum); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, EmptyCreation) { |
| EXPECT_TRUE(CreateEmptyDocument()); |
| FPDF_PAGE page = FPDFPage_New(document(), 0, 640.0, 480.0); |
| EXPECT_NE(nullptr, page); |
| // The FPDFPage_GenerateContent call should do nothing. |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| |
| EXPECT_THAT(GetString(), testing::MatchesRegex(std::string( |
| kExpectedPDF, sizeof(kExpectedPDF)))); |
| FPDF_ClosePage(page); |
| } |
| |
| // Regression test for https://crbug.com/667012 |
| TEST_F(FPDFEditEmbedderTest, RasterizePDF) { |
| const char kAllBlackMd5sum[] = "5708fc5c4a8bd0abde99c8e8f0390615"; |
| |
| // Get the bitmap for the original document. |
| ScopedFPDFBitmap orig_bitmap; |
| { |
| ASSERT_TRUE(OpenDocument("black.pdf")); |
| FPDF_PAGE orig_page = LoadPage(0); |
| ASSERT_TRUE(orig_page); |
| orig_bitmap = RenderLoadedPage(orig_page); |
| CompareBitmap(orig_bitmap.get(), 612, 792, kAllBlackMd5sum); |
| UnloadPage(orig_page); |
| } |
| |
| // Create a new document from |orig_bitmap| and save it. |
| { |
| FPDF_DOCUMENT temp_doc = FPDF_CreateNewDocument(); |
| FPDF_PAGE temp_page = FPDFPage_New(temp_doc, 0, 612, 792); |
| |
| // Add the bitmap to an image object and add the image object to the output |
| // page. |
| FPDF_PAGEOBJECT temp_img = FPDFPageObj_NewImageObj(temp_doc); |
| EXPECT_TRUE( |
| FPDFImageObj_SetBitmap(&temp_page, 1, temp_img, orig_bitmap.get())); |
| static constexpr FS_MATRIX kLetterScaleMatrix{612, 0, 0, 792, 0, 0}; |
| EXPECT_TRUE(FPDFPageObj_SetMatrix(temp_img, &kLetterScaleMatrix)); |
| FPDFPage_InsertObject(temp_page, temp_img); |
| EXPECT_TRUE(FPDFPage_GenerateContent(temp_page)); |
| EXPECT_TRUE(FPDF_SaveAsCopy(temp_doc, this, 0)); |
| FPDF_ClosePage(temp_page); |
| FPDF_CloseDocument(temp_doc); |
| } |
| |
| // Get the generated content. Make sure it is at least as big as the original |
| // PDF. |
| EXPECT_GT(GetString().size(), 923u); |
| VerifySavedDocument(612, 792, kAllBlackMd5sum); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, AddPaths) { |
| // Start with a blank page |
| FPDF_PAGE page = FPDFPage_New(CreateNewDocument(), 0, 612, 792); |
| ASSERT_TRUE(page); |
| |
| // We will first add a red rectangle |
| FPDF_PAGEOBJECT red_rect = FPDFPageObj_CreateNewRect(10, 10, 20, 20); |
| ASSERT_TRUE(red_rect); |
| // Expect false when trying to set colors out of range |
| EXPECT_FALSE(FPDFPageObj_SetStrokeColor(red_rect, 100, 100, 100, 300)); |
| EXPECT_FALSE(FPDFPageObj_SetFillColor(red_rect, 200, 256, 200, 0)); |
| |
| // Fill rectangle with red and insert to the page |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(red_rect, 255, 0, 0, 255)); |
| EXPECT_TRUE(FPDFPath_SetDrawMode(red_rect, FPDF_FILLMODE_ALTERNATE, 0)); |
| |
| int fillmode = FPDF_FILLMODE_NONE; |
| FPDF_BOOL stroke = true; |
| EXPECT_TRUE(FPDFPath_GetDrawMode(red_rect, &fillmode, &stroke)); |
| EXPECT_EQ(FPDF_FILLMODE_ALTERNATE, fillmode); |
| EXPECT_FALSE(stroke); |
| |
| static constexpr FS_MATRIX kMatrix = {1, 2, 3, 4, 5, 6}; |
| EXPECT_TRUE(FPDFPageObj_SetMatrix(red_rect, &kMatrix)); |
| |
| FS_MATRIX matrix; |
| EXPECT_TRUE(FPDFPageObj_GetMatrix(red_rect, &matrix)); |
| EXPECT_FLOAT_EQ(1.0f, matrix.a); |
| EXPECT_FLOAT_EQ(2.0f, matrix.b); |
| EXPECT_FLOAT_EQ(3.0f, matrix.c); |
| EXPECT_FLOAT_EQ(4.0f, matrix.d); |
| EXPECT_FLOAT_EQ(5.0f, matrix.e); |
| EXPECT_FLOAT_EQ(6.0f, matrix.f); |
| |
| // Set back the identity matrix. |
| matrix = {1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f}; |
| EXPECT_TRUE(FPDFPageObj_SetMatrix(red_rect, &matrix)); |
| |
| FPDFPage_InsertObject(page, red_rect); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 612, 792, kRedRectangleChecksum); |
| } |
| |
| // Now add to that a green rectangle with some medium alpha |
| FPDF_PAGEOBJECT green_rect = FPDFPageObj_CreateNewRect(100, 100, 40, 40); |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(green_rect, 0, 255, 0, 128)); |
| |
| // Make sure the type of the rectangle is a path. |
| EXPECT_EQ(FPDF_PAGEOBJ_PATH, FPDFPageObj_GetType(green_rect)); |
| |
| // Make sure we get back the same color we set previously. |
| unsigned int R; |
| unsigned int G; |
| unsigned int B; |
| unsigned int A; |
| EXPECT_TRUE(FPDFPageObj_GetFillColor(green_rect, &R, &G, &B, &A)); |
| EXPECT_EQ(0u, R); |
| EXPECT_EQ(255u, G); |
| EXPECT_EQ(0u, B); |
| EXPECT_EQ(128u, A); |
| |
| // Make sure the path has 5 points (1 CFX_Path::Point::Type::kMove and 4 |
| // CFX_Path::Point::Type::kLine). |
| ASSERT_EQ(5, FPDFPath_CountSegments(green_rect)); |
| // Verify actual coordinates. |
| FPDF_PATHSEGMENT segment = FPDFPath_GetPathSegment(green_rect, 0); |
| float x; |
| float y; |
| EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y)); |
| EXPECT_EQ(100, x); |
| EXPECT_EQ(100, y); |
| EXPECT_EQ(FPDF_SEGMENT_MOVETO, FPDFPathSegment_GetType(segment)); |
| EXPECT_FALSE(FPDFPathSegment_GetClose(segment)); |
| segment = FPDFPath_GetPathSegment(green_rect, 1); |
| EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y)); |
| EXPECT_EQ(100, x); |
| EXPECT_EQ(140, y); |
| EXPECT_EQ(FPDF_SEGMENT_LINETO, FPDFPathSegment_GetType(segment)); |
| EXPECT_FALSE(FPDFPathSegment_GetClose(segment)); |
| segment = FPDFPath_GetPathSegment(green_rect, 2); |
| EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y)); |
| EXPECT_EQ(140, x); |
| EXPECT_EQ(140, y); |
| EXPECT_EQ(FPDF_SEGMENT_LINETO, FPDFPathSegment_GetType(segment)); |
| EXPECT_FALSE(FPDFPathSegment_GetClose(segment)); |
| segment = FPDFPath_GetPathSegment(green_rect, 3); |
| EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y)); |
| EXPECT_EQ(140, x); |
| EXPECT_EQ(100, y); |
| EXPECT_EQ(FPDF_SEGMENT_LINETO, FPDFPathSegment_GetType(segment)); |
| EXPECT_FALSE(FPDFPathSegment_GetClose(segment)); |
| segment = FPDFPath_GetPathSegment(green_rect, 4); |
| EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y)); |
| EXPECT_EQ(100, x); |
| EXPECT_EQ(100, y); |
| EXPECT_EQ(FPDF_SEGMENT_LINETO, FPDFPathSegment_GetType(segment)); |
| EXPECT_TRUE(FPDFPathSegment_GetClose(segment)); |
| |
| EXPECT_TRUE(FPDFPath_SetDrawMode(green_rect, FPDF_FILLMODE_WINDING, 0)); |
| FPDFPage_InsertObject(page, green_rect); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 612, 792, |
| "7b0b87604594e773add528fae567a558"); |
| } |
| |
| // Add a black triangle. |
| FPDF_PAGEOBJECT black_path = FPDFPageObj_CreateNewPath(400, 100); |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(black_path, 0, 0, 0, 200)); |
| EXPECT_TRUE(FPDFPath_SetDrawMode(black_path, FPDF_FILLMODE_ALTERNATE, 0)); |
| EXPECT_TRUE(FPDFPath_LineTo(black_path, 400, 200)); |
| EXPECT_TRUE(FPDFPath_LineTo(black_path, 300, 100)); |
| EXPECT_TRUE(FPDFPath_Close(black_path)); |
| |
| // Make sure the path has 3 points (1 CFX_Path::Point::Type::kMove and 2 |
| // CFX_Path::Point::Type::kLine). |
| ASSERT_EQ(3, FPDFPath_CountSegments(black_path)); |
| // Verify actual coordinates. |
| segment = FPDFPath_GetPathSegment(black_path, 0); |
| EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y)); |
| EXPECT_EQ(400, x); |
| EXPECT_EQ(100, y); |
| EXPECT_EQ(FPDF_SEGMENT_MOVETO, FPDFPathSegment_GetType(segment)); |
| EXPECT_FALSE(FPDFPathSegment_GetClose(segment)); |
| segment = FPDFPath_GetPathSegment(black_path, 1); |
| EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y)); |
| EXPECT_EQ(400, x); |
| EXPECT_EQ(200, y); |
| EXPECT_EQ(FPDF_SEGMENT_LINETO, FPDFPathSegment_GetType(segment)); |
| EXPECT_FALSE(FPDFPathSegment_GetClose(segment)); |
| segment = FPDFPath_GetPathSegment(black_path, 2); |
| EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y)); |
| EXPECT_EQ(300, x); |
| EXPECT_EQ(100, y); |
| EXPECT_EQ(FPDF_SEGMENT_LINETO, FPDFPathSegment_GetType(segment)); |
| EXPECT_TRUE(FPDFPathSegment_GetClose(segment)); |
| // Make sure out of bounds index access fails properly. |
| EXPECT_EQ(nullptr, FPDFPath_GetPathSegment(black_path, 3)); |
| |
| FPDFPage_InsertObject(page, black_path); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 612, 792, |
| "eadc8020a14dfcf091da2688733d8806"); |
| } |
| |
| // Now add a more complex blue path. |
| FPDF_PAGEOBJECT blue_path = FPDFPageObj_CreateNewPath(200, 200); |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(blue_path, 0, 0, 255, 255)); |
| EXPECT_TRUE(FPDFPath_SetDrawMode(blue_path, FPDF_FILLMODE_WINDING, 0)); |
| EXPECT_TRUE(FPDFPath_LineTo(blue_path, 230, 230)); |
| EXPECT_TRUE(FPDFPath_BezierTo(blue_path, 250, 250, 280, 280, 300, 300)); |
| EXPECT_TRUE(FPDFPath_LineTo(blue_path, 325, 325)); |
| EXPECT_TRUE(FPDFPath_LineTo(blue_path, 350, 325)); |
| EXPECT_TRUE(FPDFPath_BezierTo(blue_path, 375, 330, 390, 360, 400, 400)); |
| EXPECT_TRUE(FPDFPath_Close(blue_path)); |
| FPDFPage_InsertObject(page, blue_path); |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| static constexpr char kLastChecksum[] = "ed14c60702b1489c597c7d46ece7f86d"; |
| #else |
| static constexpr char kLastChecksum[] = "9823e1a21bd9b72b6a442ba4f12af946"; |
| #endif |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 612, 792, kLastChecksum); |
| } |
| |
| // Now save the result, closing the page and document |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| FPDF_ClosePage(page); |
| |
| // Render the saved result |
| VerifySavedDocument(612, 792, kLastChecksum); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, ClipPath) { |
| // Load document with a clipped rectangle. |
| ASSERT_TRUE(OpenDocument("clip_path.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| ASSERT_EQ(1, FPDFPage_CountObjects(page)); |
| |
| FPDF_PAGEOBJECT triangle = FPDFPage_GetObject(page, 0); |
| ASSERT_TRUE(triangle); |
| |
| // Test that we got the expected triangle. |
| ASSERT_EQ(4, FPDFPath_CountSegments(triangle)); |
| |
| FPDF_PATHSEGMENT segment = FPDFPath_GetPathSegment(triangle, 0); |
| float x; |
| float y; |
| EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y)); |
| EXPECT_EQ(10, x); |
| EXPECT_EQ(10, y); |
| EXPECT_EQ(FPDF_SEGMENT_MOVETO, FPDFPathSegment_GetType(segment)); |
| EXPECT_FALSE(FPDFPathSegment_GetClose(segment)); |
| |
| segment = FPDFPath_GetPathSegment(triangle, 1); |
| EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y)); |
| EXPECT_EQ(25, x); |
| EXPECT_EQ(40, y); |
| EXPECT_EQ(FPDF_SEGMENT_LINETO, FPDFPathSegment_GetType(segment)); |
| EXPECT_FALSE(FPDFPathSegment_GetClose(segment)); |
| |
| segment = FPDFPath_GetPathSegment(triangle, 2); |
| EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y)); |
| EXPECT_EQ(40, x); |
| EXPECT_EQ(10, y); |
| EXPECT_EQ(FPDF_SEGMENT_LINETO, FPDFPathSegment_GetType(segment)); |
| EXPECT_FALSE(FPDFPathSegment_GetClose(segment)); |
| |
| segment = FPDFPath_GetPathSegment(triangle, 3); |
| EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y)); |
| EXPECT_TRUE(FPDFPathSegment_GetClose(segment)); |
| |
| // Test FPDFPageObj_GetClipPath(). |
| ASSERT_EQ(nullptr, FPDFPageObj_GetClipPath(nullptr)); |
| |
| FPDF_CLIPPATH clip_path = FPDFPageObj_GetClipPath(triangle); |
| ASSERT_TRUE(clip_path); |
| |
| // Test FPDFClipPath_CountPaths(). |
| ASSERT_EQ(-1, FPDFClipPath_CountPaths(nullptr)); |
| ASSERT_EQ(1, FPDFClipPath_CountPaths(clip_path)); |
| |
| // Test FPDFClipPath_CountPathSegments(). |
| ASSERT_EQ(-1, FPDFClipPath_CountPathSegments(nullptr, 0)); |
| ASSERT_EQ(-1, FPDFClipPath_CountPathSegments(clip_path, -1)); |
| ASSERT_EQ(-1, FPDFClipPath_CountPathSegments(clip_path, 1)); |
| ASSERT_EQ(4, FPDFClipPath_CountPathSegments(clip_path, 0)); |
| |
| // FPDFClipPath_GetPathSegment() negative testing. |
| ASSERT_EQ(nullptr, FPDFClipPath_GetPathSegment(nullptr, 0, 0)); |
| ASSERT_EQ(nullptr, FPDFClipPath_GetPathSegment(clip_path, -1, 0)); |
| ASSERT_EQ(nullptr, FPDFClipPath_GetPathSegment(clip_path, 1, 0)); |
| ASSERT_EQ(nullptr, FPDFClipPath_GetPathSegment(clip_path, 0, -1)); |
| ASSERT_EQ(nullptr, FPDFClipPath_GetPathSegment(clip_path, 0, 4)); |
| |
| // FPDFClipPath_GetPathSegment() positive testing. |
| segment = FPDFClipPath_GetPathSegment(clip_path, 0, 0); |
| EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y)); |
| EXPECT_EQ(10, x); |
| EXPECT_EQ(15, y); |
| EXPECT_EQ(FPDF_SEGMENT_MOVETO, FPDFPathSegment_GetType(segment)); |
| EXPECT_FALSE(FPDFPathSegment_GetClose(segment)); |
| |
| segment = FPDFClipPath_GetPathSegment(clip_path, 0, 1); |
| EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y)); |
| EXPECT_EQ(40, x); |
| EXPECT_EQ(15, y); |
| EXPECT_EQ(FPDF_SEGMENT_LINETO, FPDFPathSegment_GetType(segment)); |
| EXPECT_FALSE(FPDFPathSegment_GetClose(segment)); |
| |
| segment = FPDFClipPath_GetPathSegment(clip_path, 0, 2); |
| EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y)); |
| EXPECT_EQ(40, x); |
| EXPECT_EQ(35, y); |
| EXPECT_EQ(FPDF_SEGMENT_LINETO, FPDFPathSegment_GetType(segment)); |
| EXPECT_FALSE(FPDFPathSegment_GetClose(segment)); |
| |
| segment = FPDFClipPath_GetPathSegment(clip_path, 0, 3); |
| EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y)); |
| EXPECT_EQ(10, x); |
| EXPECT_EQ(35, y); |
| EXPECT_EQ(FPDF_SEGMENT_LINETO, FPDFPathSegment_GetType(segment)); |
| EXPECT_FALSE(FPDFPathSegment_GetClose(segment)); |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, BUG_1399) { |
| // Load document with a clipped rectangle. |
| ASSERT_TRUE(OpenDocument("bug_1399.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| ASSERT_EQ(7, FPDFPage_CountObjects(page)); |
| |
| FPDF_PAGEOBJECT obj = FPDFPage_GetObject(page, 0); |
| ASSERT_TRUE(obj); |
| |
| ASSERT_EQ(2, FPDFPath_CountSegments(obj)); |
| |
| FPDF_PATHSEGMENT segment = FPDFPath_GetPathSegment(obj, 0); |
| float x; |
| float y; |
| EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y)); |
| EXPECT_FLOAT_EQ(107.718f, x); |
| EXPECT_FLOAT_EQ(719.922f, y); |
| EXPECT_EQ(FPDF_SEGMENT_MOVETO, FPDFPathSegment_GetType(segment)); |
| EXPECT_FALSE(FPDFPathSegment_GetClose(segment)); |
| |
| segment = FPDFPath_GetPathSegment(obj, 1); |
| EXPECT_TRUE(FPDFPathSegment_GetPoint(segment, &x, &y)); |
| EXPECT_FLOAT_EQ(394.718f, x); |
| EXPECT_FLOAT_EQ(719.922f, y); |
| EXPECT_EQ(FPDF_SEGMENT_LINETO, FPDFPathSegment_GetType(segment)); |
| EXPECT_FALSE(FPDFPathSegment_GetClose(segment)); |
| |
| FPDF_CLIPPATH clip_path = FPDFPageObj_GetClipPath(obj); |
| ASSERT_TRUE(clip_path); |
| |
| EXPECT_EQ(-1, FPDFClipPath_CountPaths(clip_path)); |
| EXPECT_EQ(-1, FPDFClipPath_CountPathSegments(clip_path, 0)); |
| EXPECT_FALSE(FPDFClipPath_GetPathSegment(clip_path, 0, 0)); |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, BUG_1549) { |
| static const char kOriginalChecksum[] = "126366fb95e6caf8ea196780075b22b2"; |
| static const char kRemovedChecksum[] = "6ec2f27531927882624b37bc7d8e12f4"; |
| |
| ASSERT_TRUE(OpenDocument("bug_1549.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| |
| { |
| ScopedFPDFBitmap bitmap = RenderLoadedPage(page); |
| CompareBitmap(bitmap.get(), 100, 150, kOriginalChecksum); |
| |
| ScopedFPDFPageObject obj(FPDFPage_GetObject(page, 0)); |
| ASSERT_EQ(FPDF_PAGEOBJ_IMAGE, FPDFPageObj_GetType(obj.get())); |
| ASSERT_TRUE(FPDFPage_RemoveObject(page, obj.get())); |
| } |
| |
| ASSERT_TRUE(FPDFPage_GenerateContent(page)); |
| |
| { |
| ScopedFPDFBitmap bitmap = RenderLoadedPage(page); |
| CompareBitmap(bitmap.get(), 100, 150, kRemovedChecksum); |
| } |
| |
| ASSERT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| UnloadPage(page); |
| |
| // TODO(crbug.com/pdfium/1549): Should be `kRemovedChecksum`. |
| VerifySavedDocument(100, 150, "4f9889cd5993db20f1ab37d677ac8d26"); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, SetText) { |
| // Load document with some text. |
| ASSERT_TRUE(OpenDocument("hello_world.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| // Get the "Hello, world!" text object and change it. |
| ASSERT_EQ(2, FPDFPage_CountObjects(page)); |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(page, 0); |
| ASSERT_TRUE(page_object); |
| ScopedFPDFWideString text1 = GetFPDFWideString(L"Changed for SetText test"); |
| EXPECT_TRUE(FPDFText_SetText(page_object, text1.get())); |
| |
| // Verify the "Hello, world!" text is gone and "Changed for SetText test" is |
| // now displayed. |
| ASSERT_EQ(2, FPDFPage_CountObjects(page)); |
| |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| #if defined(OS_WIN) |
| const char kChangedChecksum[] = "119f828345f547c68e9454418fb7d80d"; |
| #else |
| const char kChangedChecksum[] = "6bc5171f4eb329474989c6ccfa3d6303"; |
| #endif // defined(OS_WIN) |
| #else |
| #if defined(OS_WIN) |
| const char kChangedChecksum[] = "3137fdb27962671f5c3963a5e965eff5"; |
| #elif defined(OS_APPLE) |
| const char kChangedChecksum[] = "904132275a1144ea06b0694537c80b4c"; |
| #else |
| const char kChangedChecksum[] = "a0c4ea6620772991f66bf7130379b08a"; |
| #endif |
| #endif // defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 200, 200, kChangedChecksum); |
| } |
| |
| // Now save the result. |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| |
| UnloadPage(page); |
| |
| // Re-open the file and check the changes were kept in the saved .pdf. |
| ASSERT_TRUE(OpenSavedDocument()); |
| FPDF_PAGE saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| EXPECT_EQ(2, FPDFPage_CountObjects(saved_page)); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(saved_page); |
| CompareBitmap(page_bitmap.get(), 200, 200, kChangedChecksum); |
| } |
| |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, SetCharcodesBadParams) { |
| ASSERT_TRUE(OpenDocument("hello_world.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| ASSERT_EQ(2, FPDFPage_CountObjects(page)); |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(page, 0); |
| ASSERT_TRUE(page_object); |
| |
| const uint32_t kDummyValue = 42; |
| EXPECT_FALSE(FPDFText_SetCharcodes(nullptr, nullptr, 0)); |
| EXPECT_FALSE(FPDFText_SetCharcodes(nullptr, nullptr, 1)); |
| EXPECT_FALSE(FPDFText_SetCharcodes(nullptr, &kDummyValue, 0)); |
| EXPECT_FALSE(FPDFText_SetCharcodes(nullptr, &kDummyValue, 1)); |
| EXPECT_FALSE(FPDFText_SetCharcodes(page_object, nullptr, 1)); |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, SetTextKeepClippingPath) { |
| // Load document with some text, with parts clipped. |
| ASSERT_TRUE(OpenDocument("bug_1558.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| static constexpr char kOriginalChecksum[] = |
| "1e08d555f4863ff34a90f849c9464ed2"; |
| #else |
| #if defined(OS_WIN) |
| static constexpr char kOriginalChecksum[] = |
| "220bf2086398fc46ac094952b244c8d9"; |
| #elif defined(OS_APPLE) |
| static constexpr char kOriginalChecksum[] = |
| "53cbaad93551ef2ccc27ddd63f2ca2b3"; |
| #else |
| static constexpr char kOriginalChecksum[] = |
| "ba1936fa8ca1e8cca108da76ff3500a6"; |
| #endif |
| #endif // defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| { |
| // When opened before any editing and saving, the clipping path is rendered. |
| ScopedFPDFBitmap original_bitmap = RenderPage(page); |
| CompareBitmap(original_bitmap.get(), 200, 200, kOriginalChecksum); |
| } |
| |
| // "Change" the text in the objects to their current values to force them to |
| // regenerate when saving. |
| { |
| ScopedFPDFTextPage text_page(FPDFText_LoadPage(page)); |
| ASSERT_TRUE(text_page); |
| const int obj_count = FPDFPage_CountObjects(page); |
| ASSERT_EQ(2, obj_count); |
| for (int i = 0; i < obj_count; ++i) { |
| FPDF_PAGEOBJECT text_obj = FPDFPage_GetObject(page, i); |
| ASSERT_EQ(FPDF_PAGEOBJ_TEXT, FPDFPageObj_GetType(text_obj)); |
| unsigned long size = |
| FPDFTextObj_GetText(text_obj, text_page.get(), |
| /*buffer=*/nullptr, /*length=*/0); |
| ASSERT_GT(size, 0u); |
| std::vector<FPDF_WCHAR> buffer = GetFPDFWideStringBuffer(size); |
| ASSERT_EQ(size, FPDFTextObj_GetText(text_obj, text_page.get(), |
| buffer.data(), size)); |
| EXPECT_TRUE(FPDFText_SetText(text_obj, buffer.data())); |
| } |
| } |
| |
| { |
| // After editing but before saving, the clipping path is retained. |
| ScopedFPDFBitmap edited_bitmap = RenderPage(page); |
| CompareBitmap(edited_bitmap.get(), 200, 200, kOriginalChecksum); |
| } |
| |
| // Save the file. |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| UnloadPage(page); |
| |
| // Open the saved copy and render it. |
| ASSERT_TRUE(OpenSavedDocument()); |
| FPDF_PAGE saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| |
| { |
| ScopedFPDFBitmap saved_bitmap = RenderSavedPage(saved_page); |
| CompareBitmap(saved_bitmap.get(), 200, 200, kOriginalChecksum); |
| } |
| |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, BUG_1574) { |
| // Load document with some text within a clipping path. |
| ASSERT_TRUE(OpenDocument("bug_1574.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| static constexpr char kOriginalChecksum[] = |
| "c17ce567e0fd2ecd14352cf56d8d574b"; |
| #else |
| #if defined(OS_WIN) |
| static constexpr char kOriginalChecksum[] = |
| "297c5e52c38802106d570e35f94b5cfd"; |
| #elif defined(OS_APPLE) |
| static constexpr char kOriginalChecksum[] = |
| "6a11148c99a141eea7c2b91e6987eb97"; |
| #else |
| static constexpr char kOriginalChecksum[] = |
| "75b6f6da7c24f2e395edb1c7d81dc906"; |
| #endif |
| #endif // defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| { |
| // When opened before any editing and saving, the text object is rendered. |
| ScopedFPDFBitmap original_bitmap = RenderPage(page); |
| CompareBitmap(original_bitmap.get(), 200, 300, kOriginalChecksum); |
| } |
| |
| // "Change" the text in the objects to their current values to force them to |
| // regenerate when saving. |
| { |
| ScopedFPDFTextPage text_page(FPDFText_LoadPage(page)); |
| ASSERT_TRUE(text_page); |
| |
| ASSERT_EQ(2, FPDFPage_CountObjects(page)); |
| FPDF_PAGEOBJECT text_obj = FPDFPage_GetObject(page, 1); |
| ASSERT_EQ(FPDF_PAGEOBJ_TEXT, FPDFPageObj_GetType(text_obj)); |
| |
| unsigned long size = FPDFTextObj_GetText(text_obj, text_page.get(), |
| /*buffer=*/nullptr, /*length=*/0); |
| ASSERT_GT(size, 0u); |
| std::vector<FPDF_WCHAR> buffer = GetFPDFWideStringBuffer(size); |
| ASSERT_EQ(size, FPDFTextObj_GetText(text_obj, text_page.get(), |
| buffer.data(), size)); |
| EXPECT_TRUE(FPDFText_SetText(text_obj, buffer.data())); |
| } |
| |
| // Save the file. |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| UnloadPage(page); |
| |
| // Open the saved copy and render it. |
| ASSERT_TRUE(OpenSavedDocument()); |
| FPDF_PAGE saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| |
| { |
| ScopedFPDFBitmap saved_bitmap = RenderSavedPage(saved_page); |
| CompareBitmap(saved_bitmap.get(), 200, 300, kOriginalChecksum); |
| } |
| |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, RemovePageObject) { |
| // Load document with some text. |
| ASSERT_TRUE(OpenDocument("hello_world.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| // Show what the original file looks like. |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 200, 200, kHelloWorldChecksum); |
| } |
| |
| // Get the "Hello, world!" text object and remove it. |
| ASSERT_EQ(2, FPDFPage_CountObjects(page)); |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(page, 0); |
| ASSERT_TRUE(page_object); |
| EXPECT_TRUE(FPDFPage_RemoveObject(page, page_object)); |
| |
| // Verify the "Hello, world!" text is gone. |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 200, 200, kFirstRemovedChecksum); |
| } |
| ASSERT_EQ(1, FPDFPage_CountObjects(page)); |
| |
| UnloadPage(page); |
| FPDFPageObj_Destroy(page_object); |
| } |
| |
| void CheckMarkCounts(FPDF_PAGE page, |
| int start_from, |
| int expected_object_count, |
| size_t expected_prime_count, |
| size_t expected_square_count, |
| size_t expected_greater_than_ten_count, |
| size_t expected_bounds_count) { |
| int object_count = FPDFPage_CountObjects(page); |
| ASSERT_EQ(expected_object_count, object_count); |
| |
| size_t prime_count = 0; |
| size_t square_count = 0; |
| size_t greater_than_ten_count = 0; |
| size_t bounds_count = 0; |
| for (int i = 0; i < object_count; ++i) { |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(page, i); |
| |
| int mark_count = FPDFPageObj_CountMarks(page_object); |
| for (int j = 0; j < mark_count; ++j) { |
| FPDF_PAGEOBJECTMARK mark = FPDFPageObj_GetMark(page_object, j); |
| |
| char buffer[256]; |
| unsigned long name_len = 999u; |
| ASSERT_TRUE( |
| FPDFPageObjMark_GetName(mark, buffer, sizeof(buffer), &name_len)); |
| EXPECT_GT(name_len, 0u); |
| EXPECT_NE(999u, name_len); |
| std::wstring name = |
| GetPlatformWString(reinterpret_cast<unsigned short*>(buffer)); |
| if (name == L"Prime") { |
| prime_count++; |
| } else if (name == L"Square") { |
| square_count++; |
| int expected_square = start_from + i; |
| EXPECT_EQ(1, FPDFPageObjMark_CountParams(mark)); |
| |
| unsigned long get_param_key_return = 999u; |
| ASSERT_TRUE(FPDFPageObjMark_GetParamKey(mark, 0, buffer, sizeof(buffer), |
| &get_param_key_return)); |
| EXPECT_EQ((6u + 1u) * 2u, get_param_key_return); |
| std::wstring key = |
| GetPlatformWString(reinterpret_cast<unsigned short*>(buffer)); |
| EXPECT_EQ(L"Factor", key); |
| |
| EXPECT_EQ(FPDF_OBJECT_NUMBER, |
| FPDFPageObjMark_GetParamValueType(mark, "Factor")); |
| int square_root; |
| EXPECT_TRUE( |
| FPDFPageObjMark_GetParamIntValue(mark, "Factor", &square_root)); |
| EXPECT_EQ(expected_square, square_root * square_root); |
| } else if (name == L"GreaterThanTen") { |
| greater_than_ten_count++; |
| } else if (name == L"Bounds") { |
| bounds_count++; |
| EXPECT_EQ(1, FPDFPageObjMark_CountParams(mark)); |
| |
| unsigned long get_param_key_return = 999u; |
| ASSERT_TRUE(FPDFPageObjMark_GetParamKey(mark, 0, buffer, sizeof(buffer), |
| &get_param_key_return)); |
| EXPECT_EQ((8u + 1u) * 2u, get_param_key_return); |
| std::wstring key = |
| GetPlatformWString(reinterpret_cast<unsigned short*>(buffer)); |
| EXPECT_EQ(L"Position", key); |
| |
| EXPECT_EQ(FPDF_OBJECT_STRING, |
| FPDFPageObjMark_GetParamValueType(mark, "Position")); |
| unsigned long length; |
| EXPECT_TRUE(FPDFPageObjMark_GetParamStringValue( |
| mark, "Position", buffer, sizeof(buffer), &length)); |
| ASSERT_GT(length, 0u); |
| std::wstring value = |
| GetPlatformWString(reinterpret_cast<unsigned short*>(buffer)); |
| |
| // "Position" can be "First", "Last", or "End". |
| if (i == 0) { |
| EXPECT_EQ((5u + 1u) * 2u, length); |
| EXPECT_EQ(L"First", value); |
| } else if (i == object_count - 1) { |
| if (length == (4u + 1u) * 2u) { |
| EXPECT_EQ(L"Last", value); |
| } else if (length == (3u + 1u) * 2u) { |
| EXPECT_EQ(L"End", value); |
| } else { |
| FAIL(); |
| } |
| } else { |
| FAIL(); |
| } |
| } else { |
| FAIL(); |
| } |
| } |
| } |
| |
| // Expect certain number of tagged objects. The test file contains strings |
| // from 1 to 19. |
| EXPECT_EQ(expected_prime_count, prime_count); |
| EXPECT_EQ(expected_square_count, square_count); |
| EXPECT_EQ(expected_greater_than_ten_count, greater_than_ten_count); |
| EXPECT_EQ(expected_bounds_count, bounds_count); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, ReadMarkedObjectsIndirectDict) { |
| // Load document with some text marked with an indirect property. |
| ASSERT_TRUE(OpenDocument("text_in_page_marked_indirect.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| CheckMarkCounts(page, 1, 19, 8, 4, 9, 1); |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, RemoveMarkedObjectsPrime) { |
| // Load document with some text. |
| ASSERT_TRUE(OpenDocument("text_in_page_marked.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| // Show what the original file looks like. |
| { |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| static constexpr char kOriginalChecksum[] = |
| "748ed321a485d246ca6260b9e30dd200"; |
| #else |
| #if defined(OS_WIN) |
| static constexpr char kOriginalChecksum[] = |
| "00542ee435b37749c4453be63bf7bdb6"; |
| #elif defined(OS_APPLE) |
| static constexpr char kOriginalChecksum[] = |
| "adf815e53c788a5272b4df07c610a1da"; |
| #else |
| static constexpr char kOriginalChecksum[] = |
| "41647268d5911d049801803b15c2dfb0"; |
| #endif |
| #endif // defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 200, 200, kOriginalChecksum); |
| } |
| |
| constexpr int expected_object_count = 19; |
| CheckMarkCounts(page, 1, expected_object_count, 8, 4, 9, 1); |
| |
| // Get all objects marked with "Prime" |
| std::vector<FPDF_PAGEOBJECT> primes; |
| for (int i = 0; i < expected_object_count; ++i) { |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(page, i); |
| |
| int mark_count = FPDFPageObj_CountMarks(page_object); |
| for (int j = 0; j < mark_count; ++j) { |
| FPDF_PAGEOBJECTMARK mark = FPDFPageObj_GetMark(page_object, j); |
| |
| char buffer[256]; |
| unsigned long name_len = 999u; |
| ASSERT_TRUE( |
| FPDFPageObjMark_GetName(mark, buffer, sizeof(buffer), &name_len)); |
| EXPECT_GT(name_len, 0u); |
| EXPECT_NE(999u, name_len); |
| std::wstring name = |
| GetPlatformWString(reinterpret_cast<unsigned short*>(buffer)); |
| if (name == L"Prime") { |
| primes.push_back(page_object); |
| } |
| } |
| } |
| |
| // Remove all objects marked with "Prime". |
| for (FPDF_PAGEOBJECT page_object : primes) { |
| EXPECT_TRUE(FPDFPage_RemoveObject(page, page_object)); |
| FPDFPageObj_Destroy(page_object); |
| } |
| |
| EXPECT_EQ(11, FPDFPage_CountObjects(page)); |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| static constexpr char kNonPrimesChecksum[] = |
| "e2927fe2b7bbb595aca2a0e19ef3f1e8"; |
| static constexpr char kNonPrimesAfterSaveChecksum[] = |
| "e2927fe2b7bbb595aca2a0e19ef3f1e8"; |
| #else |
| #if defined(OS_WIN) |
| static constexpr char kNonPrimesChecksum[] = |
| "86e371fdae30c2471f476631f3f93413"; |
| static constexpr char kNonPrimesAfterSaveChecksum[] = |
| "86e371fdae30c2471f476631f3f93413"; |
| #elif defined(OS_APPLE) |
| static constexpr char kNonPrimesChecksum[] = |
| "d29e2ddff56e0d12f340794d26796400"; |
| static constexpr char kNonPrimesAfterSaveChecksum[] = |
| "10eff2cd0037b661496981779601fa6f"; |
| #else |
| static constexpr char kNonPrimesChecksum[] = |
| "67ab13115d0cc34e99a1003c28047b40"; |
| static constexpr char kNonPrimesAfterSaveChecksum[] = |
| "67ab13115d0cc34e99a1003c28047b40"; |
| #endif |
| #endif // defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 200, 200, kNonPrimesChecksum); |
| } |
| |
| // Save the file. |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| UnloadPage(page); |
| |
| // Re-open the file and check the prime marks are not there anymore. |
| ASSERT_TRUE(OpenSavedDocument()); |
| FPDF_PAGE saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| EXPECT_EQ(11, FPDFPage_CountObjects(saved_page)); |
| |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(saved_page); |
| CompareBitmap(page_bitmap.get(), 200, 200, kNonPrimesAfterSaveChecksum); |
| } |
| |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, RemoveMarks) { |
| // Load document with some text. |
| ASSERT_TRUE(OpenDocument("text_in_page_marked.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| constexpr int kExpectedObjectCount = 19; |
| CheckMarkCounts(page, 1, kExpectedObjectCount, 8, 4, 9, 1); |
| |
| // Remove all "Prime" content marks. |
| for (int i = 0; i < kExpectedObjectCount; ++i) { |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(page, i); |
| |
| int mark_count = FPDFPageObj_CountMarks(page_object); |
| for (int j = mark_count - 1; j >= 0; --j) { |
| FPDF_PAGEOBJECTMARK mark = FPDFPageObj_GetMark(page_object, j); |
| |
| char buffer[256]; |
| unsigned long name_len = 999u; |
| ASSERT_TRUE( |
| FPDFPageObjMark_GetName(mark, buffer, sizeof(buffer), &name_len)); |
| EXPECT_GT(name_len, 0u); |
| EXPECT_NE(999u, name_len); |
| std::wstring name = |
| GetPlatformWString(reinterpret_cast<unsigned short*>(buffer)); |
| if (name == L"Prime") { |
| // Remove mark. |
| EXPECT_TRUE(FPDFPageObj_RemoveMark(page_object, mark)); |
| |
| // Verify there is now one fewer mark in the page object. |
| EXPECT_EQ(mark_count - 1, FPDFPageObj_CountMarks(page_object)); |
| } |
| } |
| } |
| |
| // Verify there are 0 "Prime" content marks now. |
| CheckMarkCounts(page, 1, kExpectedObjectCount, 0, 4, 9, 1); |
| |
| // Save the file. |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| UnloadPage(page); |
| |
| // Re-open the file and check the prime marks are not there anymore. |
| ASSERT_TRUE(OpenSavedDocument()); |
| FPDF_PAGE saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| |
| CheckMarkCounts(saved_page, 1, kExpectedObjectCount, 0, 4, 9, 1); |
| |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, RemoveMarkParam) { |
| // Load document with some text. |
| ASSERT_TRUE(OpenDocument("text_in_page_marked.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| constexpr int kExpectedObjectCount = 19; |
| CheckMarkCounts(page, 1, kExpectedObjectCount, 8, 4, 9, 1); |
| |
| // Remove all "Square" content marks parameters. |
| for (int i = 0; i < kExpectedObjectCount; ++i) { |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(page, i); |
| |
| int mark_count = FPDFPageObj_CountMarks(page_object); |
| for (int j = 0; j < mark_count; ++j) { |
| FPDF_PAGEOBJECTMARK mark = FPDFPageObj_GetMark(page_object, j); |
| |
| char buffer[256]; |
| unsigned long name_len = 999u; |
| ASSERT_TRUE( |
| FPDFPageObjMark_GetName(mark, buffer, sizeof(buffer), &name_len)); |
| EXPECT_GT(name_len, 0u); |
| EXPECT_NE(999u, name_len); |
| std::wstring name = |
| GetPlatformWString(reinterpret_cast<unsigned short*>(buffer)); |
| if (name == L"Square") { |
| // Show the mark has a "Factor" parameter. |
| int out_value; |
| EXPECT_TRUE( |
| FPDFPageObjMark_GetParamIntValue(mark, "Factor", &out_value)); |
| |
| // Remove parameter. |
| EXPECT_TRUE(FPDFPageObjMark_RemoveParam(page_object, mark, "Factor")); |
| |
| // Verify the "Factor" parameter is gone. |
| EXPECT_FALSE( |
| FPDFPageObjMark_GetParamIntValue(mark, "Factor", &out_value)); |
| } |
| } |
| } |
| |
| // Save the file. |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| UnloadPage(page); |
| |
| // Re-open the file and check the "Factor" parameters are still gone. |
| ASSERT_TRUE(OpenSavedDocument()); |
| FPDF_PAGE saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| |
| size_t square_count = 0; |
| for (int i = 0; i < kExpectedObjectCount; ++i) { |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(saved_page, i); |
| |
| int mark_count = FPDFPageObj_CountMarks(page_object); |
| for (int j = 0; j < mark_count; ++j) { |
| FPDF_PAGEOBJECTMARK mark = FPDFPageObj_GetMark(page_object, j); |
| |
| char buffer[256]; |
| unsigned long name_len = 999u; |
| ASSERT_TRUE( |
| FPDFPageObjMark_GetName(mark, buffer, sizeof(buffer), &name_len)); |
| EXPECT_GT(name_len, 0u); |
| EXPECT_NE(999u, name_len); |
| std::wstring name = |
| GetPlatformWString(reinterpret_cast<unsigned short*>(buffer)); |
| if (name == L"Square") { |
| // Verify the "Factor" parameter is still gone. |
| int out_value; |
| EXPECT_FALSE( |
| FPDFPageObjMark_GetParamIntValue(mark, "Factor", &out_value)); |
| |
| ++square_count; |
| } |
| } |
| } |
| |
| // Verify the parameters are gone, but the marks are not. |
| EXPECT_EQ(4u, square_count); |
| |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, MaintainMarkedObjects) { |
| // Load document with some text. |
| ASSERT_TRUE(OpenDocument("text_in_page_marked.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| // Iterate over all objects, counting the number of times each content mark |
| // name appears. |
| CheckMarkCounts(page, 1, 19, 8, 4, 9, 1); |
| |
| // Remove first page object. |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(page, 0); |
| EXPECT_TRUE(FPDFPage_RemoveObject(page, page_object)); |
| FPDFPageObj_Destroy(page_object); |
| |
| CheckMarkCounts(page, 2, 18, 8, 3, 9, 1); |
| |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| |
| UnloadPage(page); |
| |
| ASSERT_TRUE(OpenSavedDocument()); |
| FPDF_PAGE saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| |
| CheckMarkCounts(saved_page, 2, 18, 8, 3, 9, 1); |
| |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, MaintainIndirectMarkedObjects) { |
| // Load document with some text. |
| ASSERT_TRUE(OpenDocument("text_in_page_marked_indirect.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| // Iterate over all objects, counting the number of times each content mark |
| // name appears. |
| CheckMarkCounts(page, 1, 19, 8, 4, 9, 1); |
| |
| // Remove first page object. |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(page, 0); |
| EXPECT_TRUE(FPDFPage_RemoveObject(page, page_object)); |
| FPDFPageObj_Destroy(page_object); |
| |
| CheckMarkCounts(page, 2, 18, 8, 3, 9, 1); |
| |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| |
| UnloadPage(page); |
| |
| ASSERT_TRUE(OpenSavedDocument()); |
| FPDF_PAGE saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| |
| CheckMarkCounts(saved_page, 2, 18, 8, 3, 9, 1); |
| |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, RemoveExistingPageObject) { |
| // Load document with some text. |
| ASSERT_TRUE(OpenDocument("hello_world.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| // Get the "Hello, world!" text object and remove it. |
| ASSERT_EQ(2, FPDFPage_CountObjects(page)); |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(page, 0); |
| ASSERT_TRUE(page_object); |
| EXPECT_TRUE(FPDFPage_RemoveObject(page, page_object)); |
| |
| // Verify the "Hello, world!" text is gone. |
| ASSERT_EQ(1, FPDFPage_CountObjects(page)); |
| |
| // Save the file |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| UnloadPage(page); |
| FPDFPageObj_Destroy(page_object); |
| |
| // Re-open the file and check the page object count is still 1. |
| ASSERT_TRUE(OpenSavedDocument()); |
| FPDF_PAGE saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| EXPECT_EQ(1, FPDFPage_CountObjects(saved_page)); |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, RemoveExistingPageObjectSplitStreamsNotLonely) { |
| // Load document with some text. |
| ASSERT_TRUE(OpenDocument("hello_world_split_streams.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| // Get the "Hello, world!" text object and remove it. There is another object |
| // in the same stream that says "Goodbye, world!" |
| ASSERT_EQ(3, FPDFPage_CountObjects(page)); |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(page, 0); |
| ASSERT_TRUE(page_object); |
| EXPECT_TRUE(FPDFPage_RemoveObject(page, page_object)); |
| |
| // Verify the "Hello, world!" text is gone. |
| ASSERT_EQ(2, FPDFPage_CountObjects(page)); |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| #if defined(OS_WIN) |
| const char kHelloRemovedChecksum[] = "e05c7837a5cad61305d157720637f969"; |
| #else |
| const char kHelloRemovedChecksum[] = "deed7dc2754dc80930f3b05e2ac86c94"; |
| #endif // defined(OS_WIN) |
| #else |
| #if defined(OS_WIN) |
| const char kHelloRemovedChecksum[] = "a97d4c72c969ba373c2dce675d277e65"; |
| #elif defined(OS_APPLE) |
| const char kHelloRemovedChecksum[] = "3b3b27602a86dfe5996a33c42c59885b"; |
| #else |
| const char kHelloRemovedChecksum[] = "95b92950647a2190e1230911e7a1a0e9"; |
| #endif |
| #endif // defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 200, 200, kHelloRemovedChecksum); |
| } |
| |
| // Save the file |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| UnloadPage(page); |
| FPDFPageObj_Destroy(page_object); |
| |
| // Re-open the file and check the page object count is still 2. |
| ASSERT_TRUE(OpenSavedDocument()); |
| FPDF_PAGE saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| |
| EXPECT_EQ(2, FPDFPage_CountObjects(saved_page)); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(saved_page); |
| CompareBitmap(page_bitmap.get(), 200, 200, kHelloRemovedChecksum); |
| } |
| |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, RemoveExistingPageObjectSplitStreamsLonely) { |
| // Load document with some text. |
| ASSERT_TRUE(OpenDocument("hello_world_split_streams.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| // Get the "Greetings, world!" text object and remove it. This is the only |
| // object in the stream. |
| ASSERT_EQ(3, FPDFPage_CountObjects(page)); |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(page, 2); |
| ASSERT_TRUE(page_object); |
| EXPECT_TRUE(FPDFPage_RemoveObject(page, page_object)); |
| |
| // Verify the "Greetings, world!" text is gone. |
| ASSERT_EQ(2, FPDFPage_CountObjects(page)); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 200, 200, kHelloWorldChecksum); |
| } |
| |
| // Save the file |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| UnloadPage(page); |
| FPDFPageObj_Destroy(page_object); |
| |
| // Re-open the file and check the page object count is still 2. |
| ASSERT_TRUE(OpenSavedDocument()); |
| FPDF_PAGE saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| |
| EXPECT_EQ(2, FPDFPage_CountObjects(saved_page)); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(saved_page); |
| CompareBitmap(page_bitmap.get(), 200, 200, kHelloWorldChecksum); |
| } |
| |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, GetContentStream) { |
| // Load document with some text split across streams. |
| ASSERT_TRUE(OpenDocument("split_streams.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| // Content stream 0: page objects 0-14. |
| // Content stream 1: page objects 15-17. |
| // Content stream 2: page object 18. |
| ASSERT_EQ(19, FPDFPage_CountObjects(page)); |
| for (int i = 0; i < 19; i++) { |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(page, i); |
| ASSERT_TRUE(page_object); |
| CPDF_PageObject* cpdf_page_object = |
| CPDFPageObjectFromFPDFPageObject(page_object); |
| if (i < 15) |
| EXPECT_EQ(0, cpdf_page_object->GetContentStream()) << i; |
| else if (i < 18) |
| EXPECT_EQ(1, cpdf_page_object->GetContentStream()) << i; |
| else |
| EXPECT_EQ(2, cpdf_page_object->GetContentStream()) << i; |
| } |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, RemoveAllFromStream) { |
| // Load document with some text split across streams. |
| ASSERT_TRUE(OpenDocument("split_streams.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| // Content stream 0: page objects 0-14. |
| // Content stream 1: page objects 15-17. |
| // Content stream 2: page object 18. |
| ASSERT_EQ(19, FPDFPage_CountObjects(page)); |
| |
| // Loop backwards because objects will being removed, which shifts the indexes |
| // after the removed position. |
| for (int i = 18; i >= 0; i--) { |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(page, i); |
| ASSERT_TRUE(page_object); |
| CPDF_PageObject* cpdf_page_object = |
| CPDFPageObjectFromFPDFPageObject(page_object); |
| |
| // Empty content stream 1. |
| if (cpdf_page_object->GetContentStream() == 1) { |
| EXPECT_TRUE(FPDFPage_RemoveObject(page, page_object)); |
| FPDFPageObj_Destroy(page_object); |
| } |
| } |
| |
| // Content stream 0: page objects 0-14. |
| // Content stream 2: page object 15. |
| ASSERT_EQ(16, FPDFPage_CountObjects(page)); |
| for (int i = 0; i < 16; i++) { |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(page, i); |
| ASSERT_TRUE(page_object); |
| CPDF_PageObject* cpdf_page_object = |
| CPDFPageObjectFromFPDFPageObject(page_object); |
| if (i < 15) |
| EXPECT_EQ(0, cpdf_page_object->GetContentStream()) << i; |
| else |
| EXPECT_EQ(2, cpdf_page_object->GetContentStream()) << i; |
| } |
| |
| // Generate contents should remove the empty stream and update the page |
| // objects' contents stream indexes. |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| |
| // Content stream 0: page objects 0-14. |
| // Content stream 1: page object 15. |
| ASSERT_EQ(16, FPDFPage_CountObjects(page)); |
| for (int i = 0; i < 16; i++) { |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(page, i); |
| ASSERT_TRUE(page_object); |
| CPDF_PageObject* cpdf_page_object = |
| CPDFPageObjectFromFPDFPageObject(page_object); |
| if (i < 15) |
| EXPECT_EQ(0, cpdf_page_object->GetContentStream()) << i; |
| else |
| EXPECT_EQ(1, cpdf_page_object->GetContentStream()) << i; |
| } |
| |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| const char kStream1RemovedChecksum[] = "89358c444a398b0b56b35738edd8fe43"; |
| #else |
| #if defined(OS_WIN) |
| const char kStream1RemovedChecksum[] = "b4140f203523e38793283a5943d8075b"; |
| #elif defined(OS_APPLE) |
| const char kStream1RemovedChecksum[] = "0e8856ca9abc7049412e64f9230c7c43"; |
| #else |
| const char kStream1RemovedChecksum[] = "e86a3efc160ede6cfcb1f59bcacf1105"; |
| #endif |
| #endif // defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 200, 200, kStream1RemovedChecksum); |
| } |
| |
| // Save the file |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| UnloadPage(page); |
| |
| // Re-open the file and check the page object count is still 16, and that |
| // content stream 1 was removed. |
| ASSERT_TRUE(OpenSavedDocument()); |
| FPDF_PAGE saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| |
| // Content stream 0: page objects 0-14. |
| // Content stream 1: page object 15. |
| EXPECT_EQ(16, FPDFPage_CountObjects(saved_page)); |
| for (int i = 0; i < 16; i++) { |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(saved_page, i); |
| ASSERT_TRUE(page_object); |
| CPDF_PageObject* cpdf_page_object = |
| CPDFPageObjectFromFPDFPageObject(page_object); |
| if (i < 15) |
| EXPECT_EQ(0, cpdf_page_object->GetContentStream()) << i; |
| else |
| EXPECT_EQ(1, cpdf_page_object->GetContentStream()) << i; |
| } |
| |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(saved_page); |
| CompareBitmap(page_bitmap.get(), 200, 200, kStream1RemovedChecksum); |
| } |
| |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, RemoveAllFromSingleStream) { |
| // Load document with a single stream. |
| ASSERT_TRUE(OpenDocument("hello_world.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| // Content stream 0: page objects 0-1. |
| ASSERT_EQ(2, FPDFPage_CountObjects(page)); |
| |
| // Loop backwards because objects will being removed, which shifts the indexes |
| // after the removed position. |
| for (int i = 1; i >= 0; i--) { |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(page, i); |
| ASSERT_TRUE(page_object); |
| CPDF_PageObject* cpdf_page_object = |
| CPDFPageObjectFromFPDFPageObject(page_object); |
| ASSERT_EQ(0, cpdf_page_object->GetContentStream()); |
| ASSERT_TRUE(FPDFPage_RemoveObject(page, page_object)); |
| FPDFPageObj_Destroy(page_object); |
| } |
| |
| // No more objects in the stream |
| ASSERT_EQ(0, FPDFPage_CountObjects(page)); |
| |
| // Generate contents should remove the empty stream and update the page |
| // objects' contents stream indexes. |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| |
| ASSERT_EQ(0, FPDFPage_CountObjects(page)); |
| |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 200, 200, kAllRemovedChecksum); |
| } |
| |
| // Save the file |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| UnloadPage(page); |
| |
| // Re-open the file and check the page object count is still 0. |
| ASSERT_TRUE(OpenSavedDocument()); |
| FPDF_PAGE saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| |
| EXPECT_EQ(0, FPDFPage_CountObjects(saved_page)); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(saved_page); |
| CompareBitmap(page_bitmap.get(), 200, 200, kAllRemovedChecksum); |
| } |
| |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, RemoveFirstFromSingleStream) { |
| // Load document with a single stream. |
| ASSERT_TRUE(OpenDocument("hello_world.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| // Content stream 0: page objects 0-1. |
| ASSERT_EQ(2, FPDFPage_CountObjects(page)); |
| |
| // Remove first object. |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(page, 0); |
| ASSERT_TRUE(page_object); |
| CPDF_PageObject* cpdf_page_object = |
| CPDFPageObjectFromFPDFPageObject(page_object); |
| ASSERT_EQ(0, cpdf_page_object->GetContentStream()); |
| ASSERT_TRUE(FPDFPage_RemoveObject(page, page_object)); |
| FPDFPageObj_Destroy(page_object); |
| |
| // One object left in the stream. |
| ASSERT_EQ(1, FPDFPage_CountObjects(page)); |
| page_object = FPDFPage_GetObject(page, 0); |
| ASSERT_TRUE(page_object); |
| cpdf_page_object = CPDFPageObjectFromFPDFPageObject(page_object); |
| ASSERT_EQ(0, cpdf_page_object->GetContentStream()); |
| |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| |
| // Still one object left in the stream. |
| ASSERT_EQ(1, FPDFPage_CountObjects(page)); |
| page_object = FPDFPage_GetObject(page, 0); |
| ASSERT_TRUE(page_object); |
| cpdf_page_object = CPDFPageObjectFromFPDFPageObject(page_object); |
| ASSERT_EQ(0, cpdf_page_object->GetContentStream()); |
| |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 200, 200, kFirstRemovedChecksum); |
| } |
| |
| // Save the file |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| UnloadPage(page); |
| |
| // Re-open the file and check the page object count is still 0. |
| ASSERT_TRUE(OpenSavedDocument()); |
| FPDF_PAGE saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| |
| ASSERT_EQ(1, FPDFPage_CountObjects(saved_page)); |
| page_object = FPDFPage_GetObject(saved_page, 0); |
| ASSERT_TRUE(page_object); |
| cpdf_page_object = CPDFPageObjectFromFPDFPageObject(page_object); |
| ASSERT_EQ(0, cpdf_page_object->GetContentStream()); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(saved_page); |
| CompareBitmap(page_bitmap.get(), 200, 200, kFirstRemovedChecksum); |
| } |
| |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, RemoveLastFromSingleStream) { |
| // Load document with a single stream. |
| ASSERT_TRUE(OpenDocument("hello_world.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| // Content stream 0: page objects 0-1. |
| ASSERT_EQ(2, FPDFPage_CountObjects(page)); |
| |
| // Remove last object |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(page, 1); |
| ASSERT_TRUE(page_object); |
| CPDF_PageObject* cpdf_page_object = |
| CPDFPageObjectFromFPDFPageObject(page_object); |
| ASSERT_EQ(0, cpdf_page_object->GetContentStream()); |
| ASSERT_TRUE(FPDFPage_RemoveObject(page, page_object)); |
| FPDFPageObj_Destroy(page_object); |
| |
| // One object left in the stream. |
| ASSERT_EQ(1, FPDFPage_CountObjects(page)); |
| page_object = FPDFPage_GetObject(page, 0); |
| ASSERT_TRUE(page_object); |
| cpdf_page_object = CPDFPageObjectFromFPDFPageObject(page_object); |
| ASSERT_EQ(0, cpdf_page_object->GetContentStream()); |
| |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| |
| // Still one object left in the stream. |
| ASSERT_EQ(1, FPDFPage_CountObjects(page)); |
| page_object = FPDFPage_GetObject(page, 0); |
| ASSERT_TRUE(page_object); |
| cpdf_page_object = CPDFPageObjectFromFPDFPageObject(page_object); |
| ASSERT_EQ(0, cpdf_page_object->GetContentStream()); |
| |
| using pdfium::kHelloWorldRemovedChecksum; |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 200, 200, kHelloWorldRemovedChecksum); |
| } |
| |
| // Save the file |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| UnloadPage(page); |
| |
| // Re-open the file and check the page object count is still 0. |
| ASSERT_TRUE(OpenSavedDocument()); |
| FPDF_PAGE saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| |
| ASSERT_EQ(1, FPDFPage_CountObjects(saved_page)); |
| page_object = FPDFPage_GetObject(saved_page, 0); |
| ASSERT_TRUE(page_object); |
| cpdf_page_object = CPDFPageObjectFromFPDFPageObject(page_object); |
| ASSERT_EQ(0, cpdf_page_object->GetContentStream()); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(saved_page); |
| CompareBitmap(page_bitmap.get(), 200, 200, kHelloWorldRemovedChecksum); |
| } |
| |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, RemoveAllFromMultipleStreams) { |
| // Load document with some text. |
| ASSERT_TRUE(OpenDocument("hello_world_split_streams.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| // Content stream 0: page objects 0-1. |
| // Content stream 1: page object 2. |
| ASSERT_EQ(3, FPDFPage_CountObjects(page)); |
| |
| // Loop backwards because objects will being removed, which shifts the indexes |
| // after the removed position. |
| for (int i = 2; i >= 0; i--) { |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(page, i); |
| ASSERT_TRUE(page_object); |
| ASSERT_TRUE(FPDFPage_RemoveObject(page, page_object)); |
| FPDFPageObj_Destroy(page_object); |
| } |
| |
| // No more objects in the page. |
| ASSERT_EQ(0, FPDFPage_CountObjects(page)); |
| |
| // Generate contents should remove the empty streams and update the page |
| // objects' contents stream indexes. |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| |
| ASSERT_EQ(0, FPDFPage_CountObjects(page)); |
| |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 200, 200, kAllRemovedChecksum); |
| } |
| |
| // Save the file |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| UnloadPage(page); |
| |
| // Re-open the file and check the page object count is still 0. |
| ASSERT_TRUE(OpenSavedDocument()); |
| FPDF_PAGE saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| |
| EXPECT_EQ(0, FPDFPage_CountObjects(saved_page)); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(saved_page); |
| CompareBitmap(page_bitmap.get(), 200, 200, kAllRemovedChecksum); |
| } |
| |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, InsertPageObjectAndSave) { |
| // Load document with some text. |
| ASSERT_TRUE(OpenDocument("hello_world.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| // Add a red rectangle. |
| ASSERT_EQ(2, FPDFPage_CountObjects(page)); |
| FPDF_PAGEOBJECT red_rect = FPDFPageObj_CreateNewRect(20, 100, 50, 50); |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(red_rect, 255, 0, 0, 255)); |
| EXPECT_TRUE(FPDFPath_SetDrawMode(red_rect, FPDF_FILLMODE_ALTERNATE, 0)); |
| FPDFPage_InsertObject(page, red_rect); |
| |
| // Verify the red rectangle was added. |
| ASSERT_EQ(3, FPDFPage_CountObjects(page)); |
| |
| // Save the file |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| UnloadPage(page); |
| |
| // Re-open the file and check the page object count is still 3. |
| ASSERT_TRUE(OpenSavedDocument()); |
| FPDF_PAGE saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| EXPECT_EQ(3, FPDFPage_CountObjects(saved_page)); |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, InsertPageObjectEditAndSave) { |
| // Load document with some text. |
| ASSERT_TRUE(OpenDocument("hello_world.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| // Add a red rectangle. |
| ASSERT_EQ(2, FPDFPage_CountObjects(page)); |
| FPDF_PAGEOBJECT red_rect = FPDFPageObj_CreateNewRect(20, 100, 50, 50); |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(red_rect, 255, 100, 100, 255)); |
| EXPECT_TRUE(FPDFPath_SetDrawMode(red_rect, FPDF_FILLMODE_ALTERNATE, 0)); |
| FPDFPage_InsertObject(page, red_rect); |
| |
| // Verify the red rectangle was added. |
| ASSERT_EQ(3, FPDFPage_CountObjects(page)); |
| |
| // Generate content but change it again |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(red_rect, 255, 0, 0, 255)); |
| |
| // Save the file |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| UnloadPage(page); |
| |
| // Re-open the file and check the page object count is still 3. |
| ASSERT_TRUE(OpenSavedDocument()); |
| FPDF_PAGE saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| EXPECT_EQ(3, FPDFPage_CountObjects(saved_page)); |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, InsertAndRemoveLargeFile) { |
| const int kOriginalObjectCount = 600; |
| |
| // Load document with many objects. |
| ASSERT_TRUE(OpenDocument("many_rectangles.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| using pdfium::kManyRectanglesChecksum; |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 200, 300, kManyRectanglesChecksum); |
| } |
| |
| // Add a black rectangle. |
| ASSERT_EQ(kOriginalObjectCount, FPDFPage_CountObjects(page)); |
| FPDF_PAGEOBJECT black_rect = FPDFPageObj_CreateNewRect(20, 100, 50, 50); |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(black_rect, 0, 0, 0, 255)); |
| EXPECT_TRUE(FPDFPath_SetDrawMode(black_rect, FPDF_FILLMODE_ALTERNATE, 0)); |
| FPDFPage_InsertObject(page, black_rect); |
| |
| // Verify the black rectangle was added. |
| ASSERT_EQ(kOriginalObjectCount + 1, FPDFPage_CountObjects(page)); |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| const char kPlusRectangleMD5[] = "0d3715fcfb9bd0dd25dcce60800bff47"; |
| #else |
| const char kPlusRectangleMD5[] = "6b9396ab570754b32b04ca629e902f77"; |
| #endif |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 200, 300, kPlusRectangleMD5); |
| } |
| |
| // Save the file. |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| UnloadPage(page); |
| |
| // Re-open the file and check the rectangle added is still there. |
| ASSERT_TRUE(OpenSavedDocument()); |
| FPDF_PAGE saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| EXPECT_EQ(kOriginalObjectCount + 1, FPDFPage_CountObjects(saved_page)); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(saved_page); |
| CompareBitmap(page_bitmap.get(), 200, 300, kPlusRectangleMD5); |
| } |
| |
| // Remove the added rectangle. |
| FPDF_PAGEOBJECT added_object = |
| FPDFPage_GetObject(saved_page, kOriginalObjectCount); |
| EXPECT_TRUE(FPDFPage_RemoveObject(saved_page, added_object)); |
| FPDFPageObj_Destroy(added_object); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(saved_page); |
| CompareBitmap(page_bitmap.get(), 200, 300, kManyRectanglesChecksum); |
| } |
| EXPECT_EQ(kOriginalObjectCount, FPDFPage_CountObjects(saved_page)); |
| |
| // Save the file again. |
| EXPECT_TRUE(FPDFPage_GenerateContent(saved_page)); |
| EXPECT_TRUE(FPDF_SaveAsCopy(saved_document_, this, 0)); |
| |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| |
| // Re-open the file (again) and check the black rectangle was removed and the |
| // rest is intact. |
| ASSERT_TRUE(OpenSavedDocument()); |
| saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| EXPECT_EQ(kOriginalObjectCount, FPDFPage_CountObjects(saved_page)); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(saved_page); |
| CompareBitmap(page_bitmap.get(), 200, 300, kManyRectanglesChecksum); |
| } |
| |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, AddAndRemovePaths) { |
| // Start with a blank page. |
| FPDF_PAGE page = FPDFPage_New(CreateNewDocument(), 0, 612, 792); |
| ASSERT_TRUE(page); |
| |
| // Render the blank page and verify it's a blank bitmap. |
| using pdfium::kBlankPage612By792Checksum; |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 612, 792, kBlankPage612By792Checksum); |
| } |
| ASSERT_EQ(0, FPDFPage_CountObjects(page)); |
| |
| // Add a red rectangle. |
| FPDF_PAGEOBJECT red_rect = FPDFPageObj_CreateNewRect(10, 10, 20, 20); |
| ASSERT_TRUE(red_rect); |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(red_rect, 255, 0, 0, 255)); |
| EXPECT_TRUE(FPDFPath_SetDrawMode(red_rect, FPDF_FILLMODE_ALTERNATE, 0)); |
| FPDFPage_InsertObject(page, red_rect); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 612, 792, kRedRectangleChecksum); |
| } |
| EXPECT_EQ(1, FPDFPage_CountObjects(page)); |
| |
| // Remove rectangle and verify it does not render anymore and the bitmap is |
| // back to a blank one. |
| EXPECT_TRUE(FPDFPage_RemoveObject(page, red_rect)); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 612, 792, kBlankPage612By792Checksum); |
| } |
| EXPECT_EQ(0, FPDFPage_CountObjects(page)); |
| |
| // Trying to remove an object not in the page should return false. |
| EXPECT_FALSE(FPDFPage_RemoveObject(page, red_rect)); |
| |
| FPDF_ClosePage(page); |
| FPDFPageObj_Destroy(red_rect); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, PathsPoints) { |
| CreateNewDocument(); |
| FPDF_PAGEOBJECT img = FPDFPageObj_NewImageObj(document_); |
| // This should fail gracefully, even if img is not a path. |
| ASSERT_EQ(-1, FPDFPath_CountSegments(img)); |
| |
| // This should fail gracefully, even if path is NULL. |
| ASSERT_EQ(-1, FPDFPath_CountSegments(nullptr)); |
| |
| // FPDFPath_GetPathSegment() with a non-path. |
| ASSERT_EQ(nullptr, FPDFPath_GetPathSegment(img, 0)); |
| // FPDFPath_GetPathSegment() with a NULL path. |
| ASSERT_EQ(nullptr, FPDFPath_GetPathSegment(nullptr, 0)); |
| float x; |
| float y; |
| // FPDFPathSegment_GetPoint() with a NULL segment. |
| EXPECT_FALSE(FPDFPathSegment_GetPoint(nullptr, &x, &y)); |
| |
| // FPDFPathSegment_GetType() with a NULL segment. |
| ASSERT_EQ(FPDF_SEGMENT_UNKNOWN, FPDFPathSegment_GetType(nullptr)); |
| |
| // FPDFPathSegment_GetClose() with a NULL segment. |
| EXPECT_FALSE(FPDFPathSegment_GetClose(nullptr)); |
| |
| FPDFPageObj_Destroy(img); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, PathOnTopOfText) { |
| // Load document with some text |
| ASSERT_TRUE(OpenDocument("hello_world.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| // Add an opaque rectangle on top of some of the text. |
| FPDF_PAGEOBJECT red_rect = FPDFPageObj_CreateNewRect(20, 100, 50, 50); |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(red_rect, 255, 0, 0, 255)); |
| EXPECT_TRUE(FPDFPath_SetDrawMode(red_rect, FPDF_FILLMODE_ALTERNATE, 0)); |
| FPDFPage_InsertObject(page, red_rect); |
| |
| // Add a transparent triangle on top of other part of the text. |
| FPDF_PAGEOBJECT black_path = FPDFPageObj_CreateNewPath(20, 50); |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(black_path, 0, 0, 0, 100)); |
| EXPECT_TRUE(FPDFPath_SetDrawMode(black_path, FPDF_FILLMODE_ALTERNATE, 0)); |
| EXPECT_TRUE(FPDFPath_LineTo(black_path, 30, 80)); |
| EXPECT_TRUE(FPDFPath_LineTo(black_path, 40, 10)); |
| EXPECT_TRUE(FPDFPath_Close(black_path)); |
| FPDFPage_InsertObject(page, black_path); |
| |
| // Render and check the result. |
| ScopedFPDFBitmap bitmap = RenderLoadedPage(page); |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| #if defined(OS_WIN) |
| const char kChecksum[] = "e755a955696373e39dbebb5cb96e1338"; |
| #else |
| const char kChecksum[] = "d082f9756c86bb47e1abbc2b1df7138a"; |
| #endif // defined(OS_WIN) |
| #else |
| #if defined(OS_WIN) |
| const char kChecksum[] = "74dd9c393b8b2578d2b7feb032b7daad"; |
| #elif defined(OS_APPLE) |
| const char kChecksum[] = "e55bcd1facb7243dc6e16dd5f912265b"; |
| #else |
| const char kChecksum[] = "aa71b09b93b55f467f1290e5111babee"; |
| #endif |
| #endif // defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| CompareBitmap(bitmap.get(), 200, 200, kChecksum); |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, EditOverExistingContent) { |
| // Load document with existing content |
| ASSERT_TRUE(OpenDocument("bug_717.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| |
| // Add a transparent rectangle on top of the existing content |
| FPDF_PAGEOBJECT red_rect2 = FPDFPageObj_CreateNewRect(90, 700, 25, 50); |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(red_rect2, 255, 0, 0, 100)); |
| EXPECT_TRUE(FPDFPath_SetDrawMode(red_rect2, FPDF_FILLMODE_ALTERNATE, 0)); |
| FPDFPage_InsertObject(page, red_rect2); |
| |
| // Add an opaque rectangle on top of the existing content |
| FPDF_PAGEOBJECT red_rect = FPDFPageObj_CreateNewRect(115, 700, 25, 50); |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(red_rect, 255, 0, 0, 255)); |
| EXPECT_TRUE(FPDFPath_SetDrawMode(red_rect, FPDF_FILLMODE_ALTERNATE, 0)); |
| FPDFPage_InsertObject(page, red_rect); |
| |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| const char kOriginalChecksum[] = "1e82fbdd21490cee9d3479fe6125af67"; |
| #else |
| const char kOriginalChecksum[] = "ad04e5bd0f471a9a564fb034bd0fb073"; |
| #endif |
| ScopedFPDFBitmap bitmap = RenderLoadedPage(page); |
| CompareBitmap(bitmap.get(), 612, 792, kOriginalChecksum); |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| |
| // Now save the result, closing the page and document |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| UnloadPage(page); |
| |
| ASSERT_TRUE(OpenSavedDocument()); |
| FPDF_PAGE saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| VerifySavedRendering(saved_page, 612, 792, kOriginalChecksum); |
| |
| ClearString(); |
| // Add another opaque rectangle on top of the existing content |
| FPDF_PAGEOBJECT green_rect = FPDFPageObj_CreateNewRect(150, 700, 25, 50); |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(green_rect, 0, 255, 0, 255)); |
| EXPECT_TRUE(FPDFPath_SetDrawMode(green_rect, FPDF_FILLMODE_ALTERNATE, 0)); |
| FPDFPage_InsertObject(saved_page, green_rect); |
| |
| // Add another transparent rectangle on top of existing content |
| FPDF_PAGEOBJECT green_rect2 = FPDFPageObj_CreateNewRect(175, 700, 25, 50); |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(green_rect2, 0, 255, 0, 100)); |
| EXPECT_TRUE(FPDFPath_SetDrawMode(green_rect2, FPDF_FILLMODE_ALTERNATE, 0)); |
| FPDFPage_InsertObject(saved_page, green_rect2); |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| const char kLastChecksum[] = "8705d023e5fec3499d1e30cf2bcc5dc1"; |
| #else |
| const char kLastChecksum[] = "4b5b00f824620f8c9b8801ebb98e1cdd"; |
| #endif |
| { |
| ScopedFPDFBitmap new_bitmap = RenderSavedPage(saved_page); |
| CompareBitmap(new_bitmap.get(), 612, 792, kLastChecksum); |
| } |
| EXPECT_TRUE(FPDFPage_GenerateContent(saved_page)); |
| |
| // Now save the result, closing the page and document |
| EXPECT_TRUE(FPDF_SaveAsCopy(saved_document_, this, 0)); |
| |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| |
| // Render the saved result |
| VerifySavedDocument(612, 792, kLastChecksum); |
| } |
| |
| // TODO(crbug.com/pdfium/1651): Fix this issue and enable the test for Skia. |
| #if defined(_SKIA_SUPPORT_) |
| #define MAYBE_AddStrokedPaths DISABLED_AddStrokedPaths |
| #else |
| #define MAYBE_AddStrokedPaths AddStrokedPaths |
| #endif |
| TEST_F(FPDFEditEmbedderTest, MAYBE_AddStrokedPaths) { |
| // Start with a blank page |
| FPDF_PAGE page = FPDFPage_New(CreateNewDocument(), 0, 612, 792); |
| |
| // Add a large stroked rectangle (fill color should not affect it). |
| FPDF_PAGEOBJECT rect = FPDFPageObj_CreateNewRect(20, 20, 200, 400); |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(rect, 255, 0, 0, 255)); |
| EXPECT_TRUE(FPDFPageObj_SetStrokeColor(rect, 0, 255, 0, 255)); |
| EXPECT_TRUE(FPDFPageObj_SetStrokeWidth(rect, 15.0f)); |
| |
| float width = 0; |
| EXPECT_TRUE(FPDFPageObj_GetStrokeWidth(rect, &width)); |
| EXPECT_EQ(15.0f, width); |
| |
| EXPECT_TRUE(FPDFPath_SetDrawMode(rect, 0, 1)); |
| FPDFPage_InsertObject(page, rect); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| static constexpr char kChecksum_1[] = "1469acf60e7647ebeb8e1fb08c5d6c7a"; |
| #else |
| static constexpr char kChecksum_1[] = "64bd31f862a89e0a9e505a5af6efd506"; |
| #endif |
| CompareBitmap(page_bitmap.get(), 612, 792, kChecksum_1); |
| } |
| |
| // Add crossed-checkmark |
| FPDF_PAGEOBJECT check = FPDFPageObj_CreateNewPath(300, 500); |
| EXPECT_TRUE(FPDFPath_LineTo(check, 400, 400)); |
| EXPECT_TRUE(FPDFPath_LineTo(check, 600, 600)); |
| EXPECT_TRUE(FPDFPath_MoveTo(check, 400, 600)); |
| EXPECT_TRUE(FPDFPath_LineTo(check, 600, 400)); |
| EXPECT_TRUE(FPDFPageObj_SetStrokeColor(check, 128, 128, 128, 180)); |
| EXPECT_TRUE(FPDFPageObj_SetStrokeWidth(check, 8.35f)); |
| EXPECT_TRUE(FPDFPath_SetDrawMode(check, 0, 1)); |
| FPDFPage_InsertObject(page, check); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| static constexpr char kChecksum_2[] = "68b3194f74abd9d471695ce1415be43f"; |
| #else |
| static constexpr char kChecksum_2[] = "4b6f3b9d25c4e194821217d5016c3724"; |
| #endif |
| CompareBitmap(page_bitmap.get(), 612, 792, kChecksum_2); |
| } |
| |
| // Add stroked and filled oval-ish path. |
| FPDF_PAGEOBJECT path = FPDFPageObj_CreateNewPath(250, 100); |
| EXPECT_TRUE(FPDFPath_BezierTo(path, 180, 166, 180, 233, 250, 300)); |
| EXPECT_TRUE(FPDFPath_LineTo(path, 255, 305)); |
| EXPECT_TRUE(FPDFPath_BezierTo(path, 325, 233, 325, 166, 255, 105)); |
| EXPECT_TRUE(FPDFPath_Close(path)); |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(path, 200, 128, 128, 100)); |
| EXPECT_TRUE(FPDFPageObj_SetStrokeColor(path, 128, 200, 128, 150)); |
| EXPECT_TRUE(FPDFPageObj_SetStrokeWidth(path, 10.5f)); |
| EXPECT_TRUE(FPDFPath_SetDrawMode(path, FPDF_FILLMODE_ALTERNATE, 1)); |
| FPDFPage_InsertObject(page, path); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| static constexpr char kChecksum_3[] = "ea784068651df2b9ba132ce9215e6780"; |
| #else |
| static constexpr char kChecksum_3[] = "ff3e6a22326754944cc6e56609acd73b"; |
| #endif |
| CompareBitmap(page_bitmap.get(), 612, 792, kChecksum_3); |
| } |
| FPDF_ClosePage(page); |
| } |
| |
| // Tests adding text from standard font using FPDFPageObj_NewTextObj. |
| TEST_F(FPDFEditEmbedderTest, AddStandardFontText) { |
| // Start with a blank page |
| ScopedFPDFPage page(FPDFPage_New(CreateNewDocument(), 0, 612, 792)); |
| |
| // Add some text to the page |
| FPDF_PAGEOBJECT text_object1 = |
| FPDFPageObj_NewTextObj(document(), "Arial", 12.0f); |
| EXPECT_TRUE(text_object1); |
| ScopedFPDFWideString text1 = GetFPDFWideString(kBottomText); |
| EXPECT_TRUE(FPDFText_SetText(text_object1, text1.get())); |
| static constexpr FS_MATRIX kMatrix1{1, 0, 0, 1, 20, 20}; |
| EXPECT_TRUE(FPDFPageObj_SetMatrix(text_object1, &kMatrix1)); |
| FPDFPage_InsertObject(page.get(), text_object1); |
| EXPECT_TRUE(FPDFPage_GenerateContent(page.get())); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page.get()); |
| CompareBitmap(page_bitmap.get(), 612, 792, kBottomTextChecksum); |
| |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| VerifySavedDocument(612, 792, kBottomTextChecksum); |
| } |
| |
| // Try another font |
| FPDF_PAGEOBJECT text_object2 = |
| FPDFPageObj_NewTextObj(document(), "TimesNewRomanBold", 15.0f); |
| EXPECT_TRUE(text_object2); |
| ScopedFPDFWideString text2 = |
| GetFPDFWideString(L"Hi, I'm Bold. Times New Roman Bold."); |
| EXPECT_TRUE(FPDFText_SetText(text_object2, text2.get())); |
| FPDFPageObj_Transform(text_object2, 1, 0, 0, 1, 100, 600); |
| FPDFPage_InsertObject(page.get(), text_object2); |
| EXPECT_TRUE(FPDFPage_GenerateContent(page.get())); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page.get()); |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| static constexpr char md5[] = "285cf09ca5600fc4ec061dc5ad5c6400"; |
| #else |
| #if defined(OS_WIN) |
| static constexpr char md5[] = "3755dd35abd4c605755369401ee85b2d"; |
| #elif defined(OS_APPLE) |
| static constexpr char md5[] = "26a516d923b0a18fbea0a24e3aca5562"; |
| #else |
| static constexpr char md5[] = "76fcc7d08aa15445efd2e2ceb7c6cc3b"; |
| #endif |
| #endif // defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| CompareBitmap(page_bitmap.get(), 612, 792, md5); |
| |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| VerifySavedDocument(612, 792, md5); |
| } |
| |
| // And some randomly transformed text |
| FPDF_PAGEOBJECT text_object3 = |
| FPDFPageObj_NewTextObj(document(), "Courier-Bold", 20.0f); |
| EXPECT_TRUE(text_object3); |
| ScopedFPDFWideString text3 = GetFPDFWideString(L"Can you read me? <:)>"); |
| EXPECT_TRUE(FPDFText_SetText(text_object3, text3.get())); |
| FPDFPageObj_Transform(text_object3, 1, 1.5, 2, 0.5, 200, 200); |
| FPDFPage_InsertObject(page.get(), text_object3); |
| EXPECT_TRUE(FPDFPage_GenerateContent(page.get())); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page.get()); |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| #if defined(OS_WIN) |
| static constexpr char md5[] = "03c4d98eae4fda51ca67743665ab61f4"; |
| #else |
| static constexpr char md5[] = "177285dd8cdaf476683173fce64034ea"; |
| #endif // defined(OS_WIN) |
| #else |
| #if defined(OS_WIN) |
| static constexpr char md5[] = "5ded49fe157f89627903553771431e3d"; |
| #elif defined(OS_APPLE) |
| static constexpr char md5[] = "532024c9ded47843313bb64a060118f3"; |
| #else |
| static constexpr char md5[] = "344534539aa7c5cc78404cfff4bde7fb"; |
| #endif |
| #endif // defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| CompareBitmap(page_bitmap.get(), 612, 792, md5); |
| |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| VerifySavedDocument(612, 792, md5); |
| } |
| |
| FS_MATRIX matrix; |
| EXPECT_TRUE(FPDFPageObj_GetMatrix(text_object3, &matrix)); |
| EXPECT_FLOAT_EQ(1.0f, matrix.a); |
| EXPECT_FLOAT_EQ(1.5f, matrix.b); |
| EXPECT_FLOAT_EQ(2.0f, matrix.c); |
| EXPECT_FLOAT_EQ(0.5f, matrix.d); |
| EXPECT_FLOAT_EQ(200.0f, matrix.e); |
| EXPECT_FLOAT_EQ(200.0f, matrix.f); |
| |
| EXPECT_FALSE(FPDFTextObj_GetFontSize(nullptr, nullptr)); |
| float size = 55; |
| EXPECT_FALSE(FPDFTextObj_GetFontSize(nullptr, &size)); |
| EXPECT_EQ(55, size); |
| EXPECT_TRUE(FPDFTextObj_GetFontSize(text_object3, &size)); |
| EXPECT_EQ(20, size); |
| |
| // TODO(npm): Why are there issues with text rotated by 90 degrees? |
| // TODO(npm): FPDF_SaveAsCopy not giving the desired result after this. |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, AddStandardFontTextOfSizeZero) { |
| // Start with a blank page |
| ScopedFPDFPage page(FPDFPage_New(CreateNewDocument(), 0, 612, 792)); |
| |
| // Add some text of size 0 to the page. |
| FPDF_PAGEOBJECT text_object = |
| FPDFPageObj_NewTextObj(document(), "Arial", 0.0f); |
| EXPECT_TRUE(text_object); |
| ScopedFPDFWideString text = GetFPDFWideString(kBottomText); |
| EXPECT_TRUE(FPDFText_SetText(text_object, text.get())); |
| FPDFPageObj_Transform(text_object, 1, 0, 0, 1, 20, 20); |
| |
| float size = -1; // Make sure 'size' gets changed. |
| EXPECT_TRUE(FPDFTextObj_GetFontSize(text_object, &size)); |
| EXPECT_EQ(0.0f, size); |
| |
| FPDFPage_InsertObject(page.get(), text_object); |
| EXPECT_TRUE(FPDFPage_GenerateContent(page.get())); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page.get()); |
| CompareBitmap(page_bitmap.get(), 612, 792, |
| pdfium::kBlankPage612By792Checksum); |
| |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| VerifySavedDocument(612, 792, pdfium::kBlankPage612By792Checksum); |
| } |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, GetTextRenderMode) { |
| ASSERT_TRUE(OpenDocument("text_render_mode.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| ASSERT_EQ(2, FPDFPage_CountObjects(page)); |
| |
| EXPECT_EQ(FPDF_TEXTRENDERMODE_UNKNOWN, |
| FPDFTextObj_GetTextRenderMode(nullptr)); |
| |
| FPDF_PAGEOBJECT fill = FPDFPage_GetObject(page, 0); |
| EXPECT_EQ(FPDF_TEXTRENDERMODE_FILL, FPDFTextObj_GetTextRenderMode(fill)); |
| |
| FPDF_PAGEOBJECT stroke = FPDFPage_GetObject(page, 1); |
| EXPECT_EQ(FPDF_TEXTRENDERMODE_STROKE, FPDFTextObj_GetTextRenderMode(stroke)); |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, SetTextRenderMode) { |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| const char kOriginalChecksum[] = "4960c720a6cdb7b2b16be809cce58aff"; |
| const char kStrokeChecksum[] = "4c099cf9abc1565806bd7cd1cca5ac1a"; |
| #else |
| #if defined(OS_WIN) |
| const char kOriginalChecksum[] = "de6e86bad3e9fda753a8471a45cfbb58"; |
| #elif defined(OS_APPLE) |
| const char kOriginalChecksum[] = "2453a9a524ee3f5f525dd21345ec4d81"; |
| #else |
| const char kOriginalChecksum[] = "5a012d2920ac075c39ffa9437ea42faa"; |
| #endif |
| const char kStrokeChecksum[] = "412e52e621b46bd77baf2162e1fb1a1d"; |
| #endif // defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| |
| { |
| ASSERT_TRUE(OpenDocument("text_render_mode.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| ASSERT_EQ(2, FPDFPage_CountObjects(page)); |
| |
| // Check the bitmap |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 612, 446, kOriginalChecksum); |
| } |
| |
| // Cannot set on a null object. |
| EXPECT_FALSE( |
| FPDFTextObj_SetTextRenderMode(nullptr, FPDF_TEXTRENDERMODE_UNKNOWN)); |
| EXPECT_FALSE( |
| FPDFTextObj_SetTextRenderMode(nullptr, FPDF_TEXTRENDERMODE_INVISIBLE)); |
| |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(page, 0); |
| ASSERT_TRUE(page_object); |
| EXPECT_EQ(FPDF_TEXTRENDERMODE_FILL, |
| FPDFTextObj_GetTextRenderMode(page_object)); |
| |
| // Cannot set UNKNOWN as a render mode. |
| EXPECT_FALSE(FPDFTextObj_SetTextRenderMode(page_object, |
| FPDF_TEXTRENDERMODE_UNKNOWN)); |
| |
| EXPECT_TRUE( |
| FPDFTextObj_SetTextRenderMode(page_object, FPDF_TEXTRENDERMODE_STROKE)); |
| EXPECT_EQ(FPDF_TEXTRENDERMODE_STROKE, |
| FPDFTextObj_GetTextRenderMode(page_object)); |
| |
| // Check that bitmap displays changed content |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 612, 446, kStrokeChecksum); |
| } |
| |
| // Save a copy. |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| |
| UnloadPage(page); |
| } |
| |
| { |
| // Open the saved copy and render it. Check that the changed text render |
| // mode is kept in the saved copy. |
| ASSERT_TRUE(OpenSavedDocument()); |
| FPDF_PAGE saved_page = LoadSavedPage(0); |
| ASSERT_TRUE(saved_page); |
| |
| FPDF_PAGEOBJECT page_object = FPDFPage_GetObject(saved_page, 0); |
| EXPECT_TRUE(page_object); |
| EXPECT_EQ(FPDF_TEXTRENDERMODE_STROKE, |
| FPDFTextObj_GetTextRenderMode(page_object)); |
| |
| ScopedFPDFBitmap bitmap = RenderSavedPage(saved_page); |
| CompareBitmap(bitmap.get(), 612, 446, kStrokeChecksum); |
| |
| CloseSavedPage(saved_page); |
| CloseSavedDocument(); |
| } |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, GetTextFontName) { |
| ASSERT_TRUE(OpenDocument("text_font.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| ASSERT_EQ(1, FPDFPage_CountObjects(page)); |
| |
| // FPDFTextObj_GetFontName() positive testing. |
| FPDF_PAGEOBJECT text = FPDFPage_GetObject(page, 0); |
| unsigned long size = FPDFTextObj_GetFontName(text, nullptr, 0); |
| const char kExpectedFontName[] = "Liberation Serif"; |
| ASSERT_EQ(sizeof(kExpectedFontName), size); |
| std::vector<char> font_name(size); |
| ASSERT_EQ(size, FPDFTextObj_GetFontName(text, font_name.data(), size)); |
| ASSERT_STREQ(kExpectedFontName, font_name.data()); |
| |
| // FPDFTextObj_GetFontName() negative testing. |
| ASSERT_EQ(0U, FPDFTextObj_GetFontName(nullptr, nullptr, 0)); |
| |
| font_name.resize(2); |
| font_name[0] = 'x'; |
| font_name[1] = '\0'; |
| size = FPDFTextObj_GetFontName(text, font_name.data(), font_name.size()); |
| ASSERT_EQ(sizeof(kExpectedFontName), size); |
| ASSERT_EQ(std::string("x"), std::string(font_name.data())); |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, FormGetObjects) { |
| ASSERT_TRUE(OpenDocument("form_object.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| ASSERT_EQ(1, FPDFPage_CountObjects(page)); |
| |
| FPDF_PAGEOBJECT form = FPDFPage_GetObject(page, 0); |
| ASSERT_EQ(FPDF_PAGEOBJ_FORM, FPDFPageObj_GetType(form)); |
| ASSERT_EQ(-1, FPDFFormObj_CountObjects(nullptr)); |
| ASSERT_EQ(2, FPDFFormObj_CountObjects(form)); |
| |
| // FPDFFormObj_GetObject() positive testing. |
| FPDF_PAGEOBJECT text1 = FPDFFormObj_GetObject(form, 0); |
| ASSERT_TRUE(text1); |
| float left = 0; |
| float bottom = 0; |
| float right = 0; |
| float top = 0; |
| ASSERT_TRUE(FPDFPageObj_GetBounds(text1, &left, &bottom, &right, &top)); |
| ASSERT_EQ(271, static_cast<int>(top)); |
| |
| FPDF_PAGEOBJECT text2 = FPDFFormObj_GetObject(form, 1); |
| ASSERT_TRUE(text2); |
| ASSERT_TRUE(FPDFPageObj_GetBounds(text2, &left, &bottom, &right, &top)); |
| ASSERT_EQ(221, static_cast<int>(top)); |
| |
| // FPDFFormObj_GetObject() negative testing. |
| ASSERT_EQ(nullptr, FPDFFormObj_GetObject(nullptr, 0)); |
| ASSERT_EQ(nullptr, FPDFFormObj_GetObject(form, -1)); |
| ASSERT_EQ(nullptr, FPDFFormObj_GetObject(form, 2)); |
| |
| // FPDFPageObj_GetMatrix() positive testing for forms. |
| static constexpr FS_MATRIX kMatrix = {1.0f, 1.5f, 2.0f, 2.5f, 100.0f, 200.0f}; |
| EXPECT_TRUE(FPDFPageObj_SetMatrix(form, &kMatrix)); |
| |
| FS_MATRIX matrix; |
| EXPECT_TRUE(FPDFPageObj_GetMatrix(form, &matrix)); |
| EXPECT_FLOAT_EQ(kMatrix.a, matrix.a); |
| EXPECT_FLOAT_EQ(kMatrix.b, matrix.b); |
| EXPECT_FLOAT_EQ(kMatrix.c, matrix.c); |
| EXPECT_FLOAT_EQ(kMatrix.d, matrix.d); |
| EXPECT_FLOAT_EQ(kMatrix.e, matrix.e); |
| EXPECT_FLOAT_EQ(kMatrix.f, matrix.f); |
| |
| // FPDFPageObj_GetMatrix() negative testing for forms. |
| EXPECT_FALSE(FPDFPageObj_GetMatrix(form, nullptr)); |
| |
| UnloadPage(page); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, ModifyFormObject) { |
| #if defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| #if defined(OS_WIN) |
| const char kOrigChecksum[] = "d511cae0c8ec3e7b2e7b672485a45859"; |
| #else |
| const char kOrigChecksum[] = "6332486c11a830d52163e453cac3f0f7"; |
| #endif // defined(OS_WIN) |
| const char kNewChecksum[] = "9851fb1b59d91655ac8961ac89f383ae"; |
| #else |
| #if defined(OS_WIN) |
| const char kOrigChecksum[] = "9993d8fd85dfc1f9522c4e5f1533ed78"; |
| const char kNewChecksum[] = "ba6450c9060786c5aca3b7552ba7ec9e"; |
| #elif defined(OS_APPLE) |
| const char kOrigChecksum[] = "98c13e90ec592eea79b6458c0ca2822b"; |
| const char kNewChecksum[] = "8cbad8c9281e1f3bac2306a5beb1fdcd"; |
| #else |
| const char kOrigChecksum[] = "26e65fb47da5674d1b7284932c3c94d6"; |
| const char kNewChecksum[] = "fd408e99373b275316f7816ae8d35842"; |
| #endif // defined(OS_WIN) |
| #endif // defined(_SKIA_SUPPORT_) || defined(_SKIA_SUPPORT_PATHS_) |
| |
| ASSERT_TRUE(OpenDocument("form_object.pdf")); |
| FPDF_PAGE page = LoadPage(0); |
| ASSERT_TRUE(page); |
| ASSERT_EQ(1, FPDFPage_CountObjects(page)); |
| |
| { |
| ScopedFPDFBitmap bitmap = RenderLoadedPage(page); |
| CompareBitmap(bitmap.get(), 62, 69, kOrigChecksum); |
| } |
| |
| FPDF_PAGEOBJECT form = FPDFPage_GetObject(page, 0); |
| ASSERT_EQ(FPDF_PAGEOBJ_FORM, FPDFPageObj_GetType(form)); |
| |
| FPDFPageObj_Transform(form, 0.5, 0, 0, 0.5, 0, 0); |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| |
| { |
| ScopedFPDFBitmap bitmap = RenderLoadedPage(page); |
| CompareBitmap(bitmap.get(), 62, 69, kNewChecksum); |
| } |
| |
| EXPECT_TRUE(FPDF_SaveAsCopy(document(), this, 0)); |
| VerifySavedDocument(62, 69, kNewChecksum); |
| |
| UnloadPage(page); |
| } |
| |
| // Tests adding text from standard font using FPDFText_LoadStandardFont. |
| TEST_F(FPDFEditEmbedderTest, AddStandardFontText2) { |
| // Start with a blank page |
| ScopedFPDFPage page(FPDFPage_New(CreateNewDocument(), 0, 612, 792)); |
| |
| // Load a standard font. |
| ScopedFPDFFont font(FPDFText_LoadStandardFont(document(), "Helvetica")); |
| ASSERT_TRUE(font); |
| |
| // Add some text to the page. |
| FPDF_PAGEOBJECT text_object = |
| FPDFPageObj_CreateTextObj(document(), font.get(), 12.0f); |
| EXPECT_TRUE(text_object); |
| ScopedFPDFWideString text = GetFPDFWideString(kBottomText); |
| EXPECT_TRUE(FPDFText_SetText(text_object, text.get())); |
| FPDFPageObj_Transform(text_object, 1, 0, 0, 1, 20, 20); |
| FPDFPage_InsertObject(page.get(), text_object); |
| ScopedFPDFBitmap page_bitmap = RenderPage(page.get()); |
| CompareBitmap(page_bitmap.get(), 612, 792, kBottomTextChecksum); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, LoadStandardFonts) { |
| CreateNewDocument(); |
| static constexpr const char* kStandardFontNames[] = { |
| "Arial", |
| "Arial-Bold", |
| "Arial-BoldItalic", |
| "Arial-Italic", |
| "Courier", |
| "Courier-BoldOblique", |
| "Courier-Oblique", |
| "Courier-Bold", |
| "CourierNew", |
| "CourierNew-Bold", |
| "CourierNew-BoldItalic", |
| "CourierNew-Italic", |
| "Helvetica", |
| "Helvetica-Bold", |
| "Helvetica-BoldOblique", |
| "Helvetica-Oblique", |
| "Symbol", |
| "TimesNewRoman", |
| "TimesNewRoman-Bold", |
| "TimesNewRoman-BoldItalic", |
| "TimesNewRoman-Italic", |
| "ZapfDingbats"}; |
| for (const char* font_name : kStandardFontNames) { |
| ScopedFPDFFont font(FPDFText_LoadStandardFont(document(), font_name)); |
| EXPECT_TRUE(font) << font_name << " should be considered a standard font."; |
| } |
| static constexpr const char* kNotStandardFontNames[] = { |
| "Abcdefg", "ArialB", "Arial-Style", |
| "Font Name", "FontArial", "NotAStandardFontName", |
| "TestFontName", "Quack", "Symbol-Italic", |
| "Zapf"}; |
| for (const char* font_name : kNotStandardFontNames) { |
| ScopedFPDFFont font(FPDFText_LoadStandardFont(document(), font_name)); |
| EXPECT_FALSE(font) << font_name |
| << " should not be considered a standard font."; |
| } |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, GraphicsData) { |
| // New page |
| ScopedFPDFPage page(FPDFPage_New(CreateNewDocument(), 0, 612, 792)); |
| |
| // Create a rect with nontrivial graphics |
| FPDF_PAGEOBJECT rect1 = FPDFPageObj_CreateNewRect(10, 10, 100, 100); |
| FPDFPageObj_SetBlendMode(rect1, "Color"); |
| FPDFPage_InsertObject(page.get(), rect1); |
| EXPECT_TRUE(FPDFPage_GenerateContent(page.get())); |
| |
| // Check that the ExtGState was created |
| CPDF_Page* cpage = CPDFPageFromFPDFPage(page.get()); |
| const CPDF_Dictionary* graphics_dict = |
| cpage->GetResources()->GetDictFor("ExtGState"); |
| ASSERT_TRUE(graphics_dict); |
| EXPECT_EQ(2u, graphics_dict->size()); |
| |
| // Add a text object causing no change to the graphics dictionary |
| FPDF_PAGEOBJECT text1 = FPDFPageObj_NewTextObj(document(), "Arial", 12.0f); |
| // Only alpha, the last component, matters for the graphics dictionary. And |
| // the default value is 255. |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(text1, 100, 100, 100, 255)); |
| FPDFPage_InsertObject(page.get(), text1); |
| EXPECT_TRUE(FPDFPage_GenerateContent(page.get())); |
| EXPECT_EQ(2u, graphics_dict->size()); |
| |
| // Add a text object increasing the size of the graphics dictionary |
| FPDF_PAGEOBJECT text2 = |
| FPDFPageObj_NewTextObj(document(), "Times-Roman", 12.0f); |
| FPDFPage_InsertObject(page.get(), text2); |
| FPDFPageObj_SetBlendMode(text2, "Darken"); |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(text2, 0, 0, 255, 150)); |
| EXPECT_TRUE(FPDFPage_GenerateContent(page.get())); |
| EXPECT_EQ(3u, graphics_dict->size()); |
| |
| // Add a path that should reuse graphics |
| FPDF_PAGEOBJECT path = FPDFPageObj_CreateNewPath(400, 100); |
| FPDFPageObj_SetBlendMode(path, "Darken"); |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(path, 200, 200, 100, 150)); |
| FPDFPage_InsertObject(page.get(), path); |
| EXPECT_TRUE(FPDFPage_GenerateContent(page.get())); |
| EXPECT_EQ(3u, graphics_dict->size()); |
| |
| // Add a rect increasing the size of the graphics dictionary |
| FPDF_PAGEOBJECT rect2 = FPDFPageObj_CreateNewRect(10, 10, 100, 100); |
| FPDFPageObj_SetBlendMode(rect2, "Darken"); |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(rect2, 0, 0, 255, 150)); |
| EXPECT_TRUE(FPDFPageObj_SetStrokeColor(rect2, 0, 0, 0, 200)); |
| FPDFPage_InsertObject(page.get(), rect2); |
| EXPECT_TRUE(FPDFPage_GenerateContent(page.get())); |
| EXPECT_EQ(4u, graphics_dict->size()); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, DoubleGenerating) { |
| // Start with a blank page |
| FPDF_PAGE page = FPDFPage_New(CreateNewDocument(), 0, 612, 792); |
| |
| // Add a red rectangle with some non-default alpha |
| FPDF_PAGEOBJECT rect = FPDFPageObj_CreateNewRect(10, 10, 100, 100); |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(rect, 255, 0, 0, 128)); |
| EXPECT_TRUE(FPDFPath_SetDrawMode(rect, FPDF_FILLMODE_WINDING, 0)); |
| FPDFPage_InsertObject(page, rect); |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| |
| // Check the ExtGState |
| CPDF_Page* cpage = CPDFPageFromFPDFPage(page); |
| const CPDF_Dictionary* graphics_dict = |
| cpage->GetResources()->GetDictFor("ExtGState"); |
| ASSERT_TRUE(graphics_dict); |
| EXPECT_EQ(2u, graphics_dict->size()); |
| |
| // Check the bitmap |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 612, 792, |
| "5384da3406d62360ffb5cac4476fff1c"); |
| } |
| |
| // Never mind, my new favorite color is blue, increase alpha |
| EXPECT_TRUE(FPDFPageObj_SetFillColor(rect, 0, 0, 255, 180)); |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| EXPECT_EQ(3u, graphics_dict->size()); |
| |
| // Check that bitmap displays changed content |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 612, 792, |
| "2e51656f5073b0bee611d9cd086aa09c"); |
| } |
| |
| // And now generate, without changes |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| EXPECT_EQ(3u, graphics_dict->size()); |
| { |
| ScopedFPDFBitmap page_bitmap = RenderPage(page); |
| CompareBitmap(page_bitmap.get(), 612, 792, |
| "2e51656f5073b0bee611d9cd086aa09c"); |
| } |
| |
| // Add some text to the page |
| FPDF_PAGEOBJECT text_object = |
| FPDFPageObj_NewTextObj(document(), "Arial", 12.0f); |
| ScopedFPDFWideString text = |
| GetFPDFWideString(L"Something something #text# something"); |
| EXPECT_TRUE(FPDFText_SetText(text_object, text.get())); |
| FPDFPageObj_Transform(text_object, 1, 0, 0, 1, 300, 300); |
| FPDFPage_InsertObject(page, text_object); |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| const CPDF_Dictionary* font_dict = cpage->GetResources()->GetDictFor("Font"); |
| ASSERT_TRUE(font_dict); |
| EXPECT_EQ(1u, font_dict->size()); |
| |
| // Generate yet again, check dicts are reasonably sized |
| EXPECT_TRUE(FPDFPage_GenerateContent(page)); |
| EXPECT_EQ(3u, graphics_dict->size()); |
| EXPECT_EQ(1u, font_dict->size()); |
| FPDF_ClosePage(page); |
| } |
| |
| TEST_F(FPDFEditEmbedderTest, LoadSimpleType1Font) { |
| CreateNewDocument(); |
| // TODO(npm): use o
|